Handheld Induction Brazing Copper Tubing and Fitting

Handheld Induction Brazing Copper Tubing and Fitting Process

Objective

Induction brazing copper to copper: ½” copper tubing and copper fitting with brazing alloy and flux using the DWS-10 HandHeld Induction Brazing System.

Equipment

 DWS-10 handheld induction brazing heater

Materials

• Copper fitting

• Copper tubing

• Silver brazing alloy (pre-formed)

• Flux

Process:

1. The copper tubing and brass fitting were assembled together.


2. A pre-form of the silver brazing alloy was seated above the joint, and flux was added.


3. The assembly was placed within a fixture.


4. The C-Coil of the Brazing assembly was placed around the copper tubing and fitting, and the trigger was depressed. After roughly 40 seconds the brazing was complete.


5. The material was cooled in water following completion of the brazing.


6. The joint was then cross-sectioned to validate that the brazing process had produced a strong, high quality joint.

Results/Benefits:

Induction heating provides:

• Strong durable joints


• Selective and precise heat zone, resulting in less part distortion and joint stress than welding


• Less oxidation


• Faster heating cycles


• More consistent results and suitability for large volume production, without the need for batch processing


• Safer than flame brazing

 

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Induction Heating Coils Design and Basic PDF

Induction Heating Coils Design and Basic PDF

In a sense, coil design for induction heating is built upon a large store of empirical data whose development springs from several simple inductor geometries such as the solenoid coil. Because of this, coil design is generally based on experience. This series of articles reviews the fundamental electrical consider- ations in the design of inductors and describes some of the most common coils in use……

Induction_Heating_Coils_Design_and_Basic

 

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Research and Design on IGBT Induction Heating Power Supply

Research and Design on IGBT Induction Heating Power Supply

Introduction

Induction heating technology having the advantage which traditional methods don’t have, such as high heating efficiency, high speed, controllable and easy to realize automation, is an advanced heating technology, and thus it has a wide range of application in the national economy and social life.

Parallel medium frequency induction heating equipment (1~10kHz) has the advantages such as [0]low requirement on capacity of the power devices, easy to be paralleled to expand capacity, high adaptability to load and so on, so an increasing number of applications is received in induction heating power supply. Emerged in the early 80s, the entire control of power electronic semiconductor devices IGBT, with its high-speed, high input impedance, easy to drive, low on-state voltage drop and other outstanding features, has now a wide range of applications over the IF and VHF fields, and let the induction heating technology has a new leap [1] [2] .The research on the induction heating power supply has been deepening in China. With the object of 100 kW / 8 kHz shunt induction heating power supply, the key technologies of the development of medium frequency induction heating power supply will be discussed as followed……

Research and Design on IGBT Induction Heating Power Supply

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Induction Soldering PCB Board with Copper Pipe

Objective:

Induction Soldering PCB Board with Copper

Industry: Medical & Dental

Materials: Flat copper pipes, PCB board

Alloy: Low-temperature solder paste

Equipment: DW-UHF-6KW-III handheld induction brazing machine

Power: 3.88 kW

Time: 8 secs.

Coil: Coated custom-made coil.

The Process:

HLQ was contacted by a leading manufacturer of clinical diagnostic equipment who is striving to drive innovation in the Magnetic Resonance Imaging (MRI) technology.

The flat pipes, featured in this heating application, are used to transfer heat with minimal temperature difference or spread the heat across a surface.

Our induction heating solution helped the client to cut manufacturing time which previously took 1 hour to produce 16 soldered copper heat pipes.

The DW-UHF-6kw-III induction heating power supply along with a heat station successfully performed the soldering process in approximately 8 seconds. We also used one of our custom-made induction coils with cement coasting to ensure that the coil will not suffer mechanical damage.

To perform the test, we positioned the copper pipes onto two flat pads containing low-temperature solder paste. Induction heating ensures complete repeatability. There is a significant reduction in cycle time and increased efficiency as now multiple parts can be soldered simultaneously.

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Steel Melting Furnace

Iron Steel Melting Furnace|Induction Metal Melting Furnace

Production Description:

1)Medium Frequency Induction Furnace for melting

2)Full digital control system with high accuracy

3) Melting steel, iron,stainless steel,copper,aluminium

4)0.15-20 tons capacity

5)Constant power output, speedy melting, good electricity saving efficiency.

6) Steel shell furnace structure, hydraulic tilting.

3.Usage:  Medium Frequency Induction Furnace Mainly used in melting steel, iron, copper, aluminum and alloy, is with high melting efficiency, good electricity saving effect, good metal component uniformity, less burning loss, speedy temperature rise, easy control of temperature, is suitable to all kinds of metal melting.

4.Characters and Advantages:

1) Constant power output, speedy melting, good electricity saving efficiency.

2) Zero-voltage sweep-frequency style start, adapts to requirement of frequently start.

3) Comprehensive protection functions, such as overcurrency protection, overvoltage protection, current-limiting protection, voltage-limiting, water-break protection, and default protection, equipment runs reliably under premise of melting speed guarantee.

4) Easy to operate, suitable for all casting process.

 

Product-characteristics 

-Efficient

Single furnace melting time can be as fast as < 40 minutes! power factor of the furnace is always reached the highest state (≧0.96)!

During the smelting, no matter how the furnace condition changes, the medium frequency power supply always full power output. That is to say, without the operator manual adjustment, the whole process from smelting to the end , the intermediate frequency power supply will always be able to deliver the maximum power to the furnace.

 

-Energy saving

Extremely competitive energy consumption index (cast iron about 530 kwh/T)! Compared with common parallel inverter power energy saving about 20%.

-Harmonic

Achieve international harmonic current and voltage allowable value!

Using full-wave rectifier power supply series, in the whole working process of the rectifier is always in a state of full open (equivalent to a diode rectifier), do not produce higher harmonic, basic no pollution to power network, does not affect the operation of substation reactive power compensation capacitor.

-Coil

firs-class induction coil design can effectively reduce coil losses.

The induction coil loss of medium frequency furnace accounts for 25% of the total power, so the scientific and rational design of the coil is particularly important. When designing the coil, we adopts the high quality TU1 anoxic copper in aluminum copper, and the coil joint adopts high silver brazing, which has high conductivity and small loss. To Ensure the best spacing of turns, the insulation materials are implanted between turns, the insulation level is improved and the maximum electric thermal efficiency is obtained.

 

Stable & Environmental Protection

-Stabilization

High standard component selection to ensure the stability of the equipment.

①Imported high pressure carbon-free hose and 304 stainless steel clamp: durable!

②Optical fiber transmission inverter trigger pulse signal plate: strong ability of anti-interference and stable operation

③The high quality special heavy platform Thyristor、square type water cooling radiator(HengYang Patent No. ): use more convenient ！

④Customized capacitor: horizontal structure, safer insulation outer shell, using the high strength of the magnesium aluminum alloy, more anti-corrosion and more durable.

⑤Conductive copper bar: Large, thick copper can reduce heat loss and save energy! Copper sandblasted surface and anti-oxidation coating, the contact surface is more conductive, the appearance does not fade and makes more beautiful!

⑥Isolation (exchange) switch : when the furnace is replaced or overhauled, it is possible to control the power failure of one furnace without affecting the normal operation of another furnace. The design of safety and humanization.

⑦Plate heat exchange system (HengYang Patent No. ): to ensure the cooling water temperature in the equipment, and to prevent the external hard water from entering the power . Care to minimize equipment failure.

-Environmental protection

Iron Steel Melting Furnace using whirlwind and side suction heat- preservation furnace cover, dust hood (ring)  through a certain air absorb dust, waste gas generated in smelting, reach and improve the effect of exhaust emissions, to meet the requirements of environmental impact assessment design.

 

Main Type and Technical Parameters:

Power input (50/60HZ)						Power output				A ton cost energy (KWH/T)
EAF type Electric furnace capacity	Rated power(KW)	Incoming voltage(V)	Incoming line current(A)	Rectifying pulse number	Rectifier transformer capacity(KVA)	DC voltage(V)	Direct current(A)	Medium frequency voltage(V)	Intermediate frequency KHZ	Melting time(Min)	Cast iron	Red copper	Brass	Aluminum
GW–0.35T	250	380	400	6	Three-phase 315	500	500	750	1	20-45	560	420	390	540
GW–0.5T	350	380	560	6	Three-phase 400	500	700	750	0.8	30-50	550	410	380	530
GW–0.75T	500	380	800	6	Three-phase 630	500	1000	750	0.8	40-50	550	410	380	530
GW–1T	800	380 750	1280 656	6 6	Three-phase 1000 Three-phase 1000	500 990	1600 808	750 1480	0.7	40-50	540	400	370	520
GW–1.5T	1000	380 750	800 820	12 6	Double three-phase 1250 Three-phase 1250	500 990	1000 1010	750 1480	0.7	40-60	530	390	360	510
GW–2T	1400	750 750	1148 574	6 12	Three-phase 1800 Double three-phase 1800	990 990	1414 707	1480 1480	0.5	45-60	520	380	350	500
GW–3T	2000	750	820	12	Double three-phase 2500	990	1010	1480	0.5	50-70	510	370	340	490
GW–5T	3000	950	1140	12	Double three-phase 4000	1260	1190	1900	0.3	50-80	500	360	330	480
GW–10T	6000	950	2280	12	Double three-phase 8000	1260	2380	1900	0.3	50-90	490	350	320	470
GW–15T	8000	950	1520	24	Four three-phase 10000	1260	1590	1900	0.3	50-90	480	340	310	460
GW–20T	10000	950	1900	24	Four three-phase 12500	1260	1980	1900	0.25	50-90	470	330	300	450
GW–30T	15000	950	2850	24	Four three-phase 20000	1260	2980	1900	0.25	50-90	470	330	300	450
In-furnace    temperature:    Steel 1650℃        Cast iron 1450℃        Red copper 1150℃         Brass 1000℃        Aluminum 700℃        Zinc 400℃

※ The capacity of the electric steel melting furnace is based on the density of steel 7.8 (the density of aluminum is 2.7, so the aluminum of equal weight: the matching power is the same, and the capacity needs x 3 times the furnace body)

※ The melting time and tons of power consumption have important relationship with the equipment matching power, raw material shape, raw material density, worker proficiency,

※ In the form above,the “ton power consumption (kwh/T)”  is a new series of power consumption, which will consume 15% or more of the power supply in Common parallel IF power supply

※ Equipment configuration: medium frequency power supply, capacitor cabinet, furnace body (steel shell or aluminum shell), hydraulic station (or reducer) tilting  system, water cooling cable etc;

※ The Above is the standard product data, can design different power according to the user demand, non-standard product with different melting speed .

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Stainless Steel Melting Furnace

Stainless Steel Melting Furnace|Iron Steel Melting Induction Furnace

Production Description:

1)Medium Frequency stainless steel melting furnace

2)Full digital control system with high accuracy

3) Melting steel, iron,stainless steel,copper,aluminium

4)0.15-20 tons capacity

5)Constant power output, speedy melting, good electricity saving efficiency.

6) Steel shell furnace structure, hydraulic tilting.

3.Usage:  Medium Frequency stainless steel melting induction Furnace Mainly used in melting steel, iron, copper, aluminum and alloy, is with high melting efficiency, good electricity saving effect, good metal component uniformity, less burning loss, speedy temperature rise, easy control of temperature, is suitable to all kinds of metal melting.

4.Characters and Advantages:

1) Constant power output, speedy melting, good electricity saving efficiency.

2) Zero-voltage sweep-frequency style start, adapts to requirement of frequently start.

3) Comprehensive protection functions, such as overcurrency protection, overvoltage protection, current-limiting protection, voltage-limiting, water-break protection, and default protection, equipment runs reliably under premise of melting speed guarantee.

4) Easy to operate, suitable for all casting process.

Product-characteristics 

-Efficient

Single furnace melting time can be as fast as < 40 minutes! power factor of the furnace is always reached the highest state (≧0.96)!

During the smelting, no matter how the furnace condition changes, the medium frequency power supply always full power output. That is to say, without the operator manual adjustment, the whole process from smelting to the end , the intermediate frequency power supply will always be able to deliver the maximum power to the furnace.

 

-Energy saving

Extremely competitive energy consumption index (cast iron about 530 kwh/T)! Compared with common parallel inverter power energy saving about 20%.

-Harmonic

Achieve international harmonic current and voltage allowable value!

Using full-wave rectifier power supply series, in the whole working process of the rectifier is always in a state of full open (equivalent to a diode rectifier), do not produce higher harmonic, basic no pollution to power network, does not affect the operation of substation reactive power compensation capacitor.

-Coil

firs-class induction coil design can effectively reduce coil losses.

The induction coil loss of medium frequency furnace accounts for 25% of the total power, so the scientific and rational design of the coil is particularly important. When designing the coil, we adopts the high quality TU1 anoxic copper in aluminum copper, and the coil joint adopts high silver brazing, which has high conductivity and small loss. To Ensure the best spacing of turns, the insulation materials are implanted between turns, the insulation level is improved and the maximum electric thermal efficiency is obtained.

 

Stable & Environmental Protection

-Stabilization

High standard component selection to ensure the stability of the equipment.

①Imported high pressure carbon-free hose and 304 stainless steel clamp: durable!

②Optical fiber transmission inverter trigger pulse signal plate: strong ability of anti-interference and stable operation

③The high quality special heavy platform Thyristor、square type water cooling radiator(HengYang Patent No. ): use more convenient ！

④Customized capacitor: horizontal structure, safer insulation outer shell, using the high strength of the magnesium aluminum alloy, more anti-corrosion and more durable.

⑤Conductive copper bar: Large, thick copper can reduce heat loss and save energy! Copper sandblasted surface and anti-oxidation coating, the contact surface is more conductive, the appearance does not fade and makes more beautiful!

⑥Isolation (exchange) switch : when the furnace is replaced or overhauled, it is possible to control the power failure of one furnace without affecting the normal operation of another furnace. The design of safety and humanization.

⑦Plate heat exchange system (HengYang Patent No. ): to ensure the cooling water temperature in the equipment, and to prevent the external hard water from entering the power . Care to minimize equipment failure.

-Environmental protection

Stainless Steel Melting Furnace using whirlwind and side suction heat- preservation furnace cover, dust hood (ring)  through a certain air absorb dust, waste gas generated in smelting, reach and improve the effect of exhaust emissions, to meet the requirements of environmental impact assessment design.

 

Main Type and Technical Parameters:

Power input (50/60HZ)						Power output				A ton cost energy (KWH/T)
EAF type Electric furnace capacity	Rated power(KW)	Incoming voltage(V)	Incoming line current(A)	Rectifying pulse number	Rectifier transformer capacity(KVA)	DC voltage(V)	Direct current(A)	Medium frequency voltage(V)	Intermediate frequency KHZ	Melting time(Min)	Cast iron	Red copper	Brass	Aluminum
GW–0.35T	250	380	400	6	Three-phase 315	500	500	750	1	20-45	560	420	390	540
GW–0.5T	350	380	560	6	Three-phase 400	500	700	750	0.8	30-50	550	410	380	530
GW–0.75T	500	380	800	6	Three-phase 630	500	1000	750	0.8	40-50	550	410	380	530
GW–1T	800	380 750	1280 656	6 6	Three-phase 1000 Three-phase 1000	500 990	1600 808	750 1480	0.7	40-50	540	400	370	520
GW–1.5T	1000	380 750	800 820	12 6	Double three-phase 1250 Three-phase 1250	500 990	1000 1010	750 1480	0.7	40-60	530	390	360	510
GW–2T	1400	750 750	1148 574	6 12	Three-phase 1800 Double three-phase 1800	990 990	1414 707	1480 1480	0.5	45-60	520	380	350	500
GW–3T	2000	750	820	12	Double three-phase 2500	990	1010	1480	0.5	50-70	510	370	340	490
GW–5T	3000	950	1140	12	Double three-phase 4000	1260	1190	1900	0.3	50-80	500	360	330	480
GW–10T	6000	950	2280	12	Double three-phase 8000	1260	2380	1900	0.3	50-90	490	350	320	470
GW–15T	8000	950	1520	24	Four three-phase 10000	1260	1590	1900	0.3	50-90	480	340	310	460
GW–20T	10000	950	1900	24	Four three-phase 12500	1260	1980	1900	0.25	50-90	470	330	300	450
GW–30T	15000	950	2850	24	Four three-phase 20000	1260	2980	1900	0.25	50-90	470	330	300	450
In-furnace    temperature:    Steel 1650℃        Cast iron 1450℃        Red copper 1150℃         Brass 1000℃        Aluminum 700℃        Zinc 400℃

※ The capacity of the stainless steel melting furnace is based on the density of steel 7.8 (the density of aluminum is 2.7, so the aluminum of equal weight: the matching power is the same, and the capacity needs x 3 times the furnace body)

※ The melting time and tons of power consumption have important relationship with the equipment matching power, raw material shape, raw material density, worker proficiency,

※ In the form above,the “ton power consumption (kwh/T)”  is a new series of power consumption, which will consume 15% or more of the power supply in Common parallel IF power supply

※ Equipment configuration: medium frequency power supply, capacitor cabinet, furnace body (steel shell or aluminum shell), hydraulic station (or reducer) tilting  system, water cooling cable etc;

※ The Above is the standard product data, can design different power according to the user demand, non-standard product with different melting speed .

https://dw-inductionheater.com/wp-content/uploads/2019/02/iron-steel-melting-furnace.png
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small induction furnace

Small Induction Furnace For Melting Silver,Gold and Jewelry,etc.

Goldsmith small gold melting furnace for melting gold,silver,jewelry,copper,iron steel and stainless steel technical parameters

1. Working voltage: 200v ^ 235v


2. Working frequency: 50hz – 60hz


3. Working power: 1kg 3500w /  2kg 5000w，The controller adjust the power


4. Smelting capacity: 1kg gold or 2kg gold


5. 
   

   System protection: IGBT overheat and overcurrent protection, water shortage protection, over voltage / low voltage, surge, coil open / short circuit, with no pot circuit detection function, a variety of internal fault automatic detection procedures, such as automatic alarm protection when the drive frequency is wrong, More than 30 protection programs.

   
   


6. 
   

   Water-cooled system: comes with an external water pump, the flow rate is 1L water per minute.

   
   


7. Melting temperature: The actual temperature can be heated up to 1600 degrees


8. Dimensions: Approx. (280 length * 220 width * 320 height) Innovative design, small size and light weight.


9. Machine gross weight: about 7.5KG


10. Melting speed: 500g of copper, silver, gold. About 6 minutes (this is the actual test value). Materials such as stainless steel and iron can also be melted

Content: 1 furnacer, 1 tong, 1 set crucible

 

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Portable gold melting furnace for sale

Manufacturer of Electric Mini Portable Gold Melting Furnace,Small Portable Gold Melting Furnace,New mini gold smelting furnace,electric gold melting furnace,small jewelry melting furnace

MF Series Electric Mini Portable Gold Melting Furnace

MF series apply SSR controller, alloy made heating element which has melting point up

to 1900°C ,high temp proof ceramic melting chamber , high aluminium protection and

other advanced, top quality components , in addition to unique design, all consolidate

furnace’s durability and working efficiency over current markets furnaces. Max temp of

machine:1150°C

Casing Color:  Black, red

Instructions

1.will melt gold machine put smoothly

2.and carefully examine whether products,then will cover intact,dissolve gold open check whether the vessel intact

3.connecting swith power supply,electrictity,light switch

4.and the normal work,intelligent temperature controller with the digital furnace temperature and slowly rising,if there are any complicatios,be sure to stop using it

5.in the process of operation,the furnace temperaturedegrees will spread,staff shall not move and collision,avoid scald and damage

6. in june,when the temperature reached gold and gold rains melring point,staff according to demand will continue to increase.when the maximum temperature reached 1,100 degrees in 28°C,will stop work or in cooling condition

7 gold,be sure to disconnect the power supply,then use to operate,go profssional pliers to ensure their safety

8 and shall immediately take gold after moving machines,owing to the high temperature,can easily damaged internal components,and burns itself to its cooling,10-20 minutes,to ensure the service life of the products

9 every time interval must be in 30-60 minutes,very easy to damage the product

10 for precision machine,plz dont remove the professional technology,to ensure accuracy

11 plz pay attention to safety and maintain normal use of electric mini portable gold melting furnace

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mini gold melting furnace with induction

Mini Gold Melting Furnace with Induction

Goldsmith Mini medium frequency melting furnace for melting gold,silver,jewelry,copper,iron steel and stainless steel technical parameters

1. Working voltage: 200v – 235v


2. Working frequency: 50hz – 60hz


3. Working power: 1kg 3500w /  2kg 5000w，The controller adjust the power


4. Smelting capacity: 1kg gold or 2kg gold


5. 
   

   System protection: IGBT overheat and overcurrent protection, water shortage protection, over voltage / low voltage, surge, coil open / short circuit, with no pot circuit detection function, a variety of internal fault automatic detection procedures, such as automatic alarm protection when the drive frequency is wrong, More than 30 protection programs.

   
   


6. 
   

   Water-cooled system: comes with an external water pump, the flow rate is 1L water per minute.

   
   


7. Melting temperature: The actual temperature can be heated up to 1600 degrees


8. Dimensions: Approx. (280 length * 220 width * 320 height) Innovative design, small size and light weight.


9. Machine gross weight: about 7.5KG


10. Melting speed: 500g of copper, silver, gold. About 6 minutes (this is the actual test value). Materials such as stainless steel and iron can also be melted

Content: 1 furnacer, 1 tong, 1 set crucible

 

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Medium Frequency Steel Melting Furnace

Energy Saving Medium Frequency Steel Melting Furnace|Induction MF  iron steel scrap melting furnace

Production Description:

1)Medium Frequency steel melting furnace

2)Full digital control system with high accuracy

3) Melting steel, iron,stainless steel,copper,aluminium

4)0.15-20 tons capacity

5)Constant power output, speedy melting, good electricity saving efficiency.

6) Steel shell furnace structure, hydraulic tilting.

3.Usage:  Medium frequency steel melting furnace mainly used in melting steel, iron, copper, aluminum and alloy, is with high melting efficiency, good electricity saving effect, good metal component uniformity, less burning loss, speedy temperature rise, easy control of temperature, is suitable to all kinds of metal melting.

4.Characters and Advantages:

1) Constant power output, speedy melting, good electricity saving efficiency.

2) Zero-voltage sweep-frequency style start, adapts to requirement of frequently start.

3) Comprehensive protection functions, such as overcurrency protection, overvoltage protection, current-limiting protection, voltage-limiting, water-break protection, and default protection, equipment runs reliably under premise of melting speed guarantee.

4) Easy to operate, suitable for all casting process.

Product-characteristics 

-Efficient

Single furnace melting time can be as fast as < 40 minutes! power factor of the furnace is always reached the highest state (≧0.96)!

During the smelting, no matter how the furnace condition changes, the medium frequency power supply always full power output. That is to say, without the operator manual adjustment, the whole process from smelting to the end , the intermediate frequency power supply will always be able to deliver the maximum power to the furnace.

 

-Energy saving

Extremely competitive energy consumption index (cast iron about 530 kwh/T)! Compared with common parallel inverter power energy saving about 20%.

-Harmonic

Achieve international harmonic current and voltage allowable value!

Using full-wave rectifier power supply series, in the whole working process of the rectifier is always in a state of full open (equivalent to a diode rectifier), do not produce higher harmonic, basic no pollution to power network, does not affect the operation of substation reactive power compensation capacitor.

-Coil

firs-class induction coil design can effectively reduce coil losses.

The induction coil loss of medium frequency iron melting crucible furnace accounts for 25% of the total power, so the scientific and rational design of the coil is particularly important. When designing the coil, we adopts the high quality TU1 anoxic copper in aluminum copper, and the coil joint adopts high silver brazing, which has high conductivity and small loss. To Ensure the best spacing of turns, the insulation materials are implanted between turns, the insulation level is improved and the maximum electric thermal efficiency is obtained.

Stable & Environmental Protection

-Stabilization

High standard component selection to ensure the stability of the equipment.

①Imported high pressure carbon-free hose and 304 stainless steel clamp: durable!

②Optical fiber transmission inverter trigger pulse signal plate: strong ability of anti-interference and stable operation

③The high quality special heavy platform Thyristor、square type water cooling radiator(HengYang Patent No. ): use more convenient ！

④Customized capacitor: horizontal structure, safer insulation outer shell, using the high strength of the magnesium aluminum alloy, more anti-corrosion and more durable.

⑤Conductive copper bar: Large, thick copper can reduce heat loss and save energy! Copper sandblasted surface and anti-oxidation coating, the contact surface is more conductive, the appearance does not fade and makes more beautiful!

⑥Isolation (exchange) switch : when the furnace is replaced or overhauled, it is possible to control the power failure of one furnace without affecting the normal operation of another furnace. The design of safety and humanization.

⑦Plate heat exchange system (HengYang Patent No. ): to ensure the cooling water temperature in the equipment, and to prevent the external hard water from entering the power . Care to minimize equipment failure.

-Environmental protection

Medium frequency steel melting furnace using whirlwind and side suction heat- preservation furnace cover, dust hood (ring)  through a certain air absorb dust, waste gas generated in smelting, reach and improve the effect of exhaust emissions, to meet the requirements of environmental impact assessment design.

 

Main Type and Technical Parameters:

Power input (50/60HZ)						Power output				A ton cost energy (KWH/T)
EAF type Electric furnace capacity	Rated power(KW)	Incoming voltage(V)	Incoming line current(A)	Rectifying pulse number	Rectifier transformer capacity(KVA)	DC voltage(V)	Direct current(A)	Medium frequency voltage(V)	Intermediate frequency KHZ	Melting time(Min)	Cast iron	Red copper	Brass	Aluminum
GW–0.35T	250	380	400	6	Three-phase 315	500	500	750	1	20-45	560	420	390	540
GW–0.5T	350	380	560	6	Three-phase 400	500	700	750	0.8	30-50	550	410	380	530
GW–0.75T	500	380	800	6	Three-phase 630	500	1000	750	0.8	40-50	550	410	380	530
GW–1T	800	380 750	1280 656	6 6	Three-phase 1000 Three-phase 1000	500 990	1600 808	750 1480	0.7	40-50	540	400	370	520
GW–1.5T	1000	380 750	800 820	12 6	Double three-phase 1250 Three-phase 1250	500 990	1000 1010	750 1480	0.7	40-60	530	390	360	510
GW–2T	1400	750 750	1148 574	6 12	Three-phase 1800 Double three-phase 1800	990 990	1414 707	1480 1480	0.5	45-60	520	380	350	500
GW–3T	2000	750	820	12	Double three-phase 2500	990	1010	1480	0.5	50-70	510	370	340	490
GW–5T	3000	950	1140	12	Double three-phase 4000	1260	1190	1900	0.3	50-80	500	360	330	480
GW–10T	6000	950	2280	12	Double three-phase 8000	1260	2380	1900	0.3	50-90	490	350	320	470
GW–15T	8000	950	1520	24	Four three-phase 10000	1260	1590	1900	0.3	50-90	480	340	310	460
GW–20T	10000	950	1900	24	Four three-phase 12500	1260	1980	1900	0.25	50-90	470	330	300	450
GW–30T	15000	950	2850	24	Four three-phase 20000	1260	2980	1900	0.25	50-90	470	330	300	450
In-furnace    temperature:    Steel 1650℃        Cast iron 1450℃        Red copper 1150℃         Brass 1000℃        Aluminum 700℃        Zinc 400℃

※ The capacity of the medium frequency steel melting furnace is based on the density of steel 7.8 (the density of aluminum is 2.7, so the aluminum of equal weight: the matching power is the same, and the capacity needs x 3 times the furnace body)

※ The melting time and tons of power consumption have important relationship with the equipment matching power, raw material shape, raw material density, worker proficiency,

※ In the form above,the “ton power consumption (kwh/T)”  is a new series of power consumption, which will consume 15% or more of the power supply in Common parallel IF power supply

※ Equipment configuration: medium frequency power supply, capacitor cabinet, furnace body (steel shell or aluminum shell), hydraulic station (or reducer) tilting  system, water cooling cable etc;

※ The Above is the standard product data, can design different power according to the user demand, non-standard product with different melting speed .

https://dw-inductionheater.com/wp-content/uploads/2019/02/melting-stainless-steel-induction-furnace.jpg
https://dw-inductionheater.com/medium_frequency_steel_melting_furnace.html
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Medium Frequency Coreless Melting Furnace

Medium Frequency Coreless Melting Furnace|Induction Iron Steel Coreless Melting Furnace

Production Description:

1)Medium Frequency coreless melting furnace

2)Full digital control system with high accuracy

3) Melting steel, iron,stainless steel,copper,aluminium

4)0.15-20 tons capacity

5)Constant power output, speedy melting, good electricity saving efficiency.

6) Steel shell furnace structure, hydraulic tilting.

3.Usage:  Medium frequency coreless melting furnace mainly used in melting steel, iron, copper, aluminum and alloy, is with high melting efficiency, good electricity saving effect, good metal component uniformity, less burning loss, speedy temperature rise, easy control of temperature, is suitable to all kinds of metal melting.

4.Characters and Advantages:

1) Constant power output, speedy melting, good electricity saving efficiency.

2) Zero-voltage sweep-frequency style start, adapts to requirement of frequently start.

3) Comprehensive protection functions, such as overcurrency protection, overvoltage protection, current-limiting protection, voltage-limiting, water-break protection, and default protection, equipment runs reliably under premise of melting speed guarantee.

4) Easy to operate, suitable for all casting process.

Product-characteristics 

-Efficient

Single furnace melting time can be as fast as < 40 minutes! power factor of the furnace is always reached the highest state (≧0.96)!

During the smelting, no matter how the furnace condition changes, the medium frequency power supply always full power output. That is to say, without the operator manual adjustment, the whole process from smelting to the end , the intermediate frequency power supply will always be able to deliver the maximum power to the furnace.

 

-Energy saving

Extremely competitive energy consumption index (cast iron about 530 kwh/T)! Compared with common parallel inverter power energy saving about 20%.

-Harmonic

Achieve international harmonic current and voltage allowable value!

Using full-wave rectifier power supply series, in the whole working process of the rectifier is always in a state of full open (equivalent to a diode rectifier), do not produce higher harmonic, basic no pollution to power network, does not affect the operation of substation reactive power compensation capacitor.

-Coil

firs-class induction coil design can effectively reduce coil losses.

The induction coil loss of medium frequency coreless melting furnace accounts for 25% of the total power, so the scientific and rational design of the coil is particularly important. When designing the coil, we adopts the high quality TU1 anoxic copper in aluminum copper, and the coil joint adopts high silver brazing, which has high conductivity and small loss. To Ensure the best spacing of turns, the insulation materials are implanted between turns, the insulation level is improved and the maximum electric thermal efficiency is obtained.

Stable & Environmental Protection

-Stabilization

High standard component selection to ensure the stability of the equipment.

①Imported high pressure carbon-free hose and 304 stainless steel clamp: durable!

②Optical fiber transmission inverter trigger pulse signal plate: strong ability of anti-interference and stable operation

③The high quality special heavy platform Thyristor、square type water cooling radiator(HengYang Patent No. ): use more convenient ！

④Customized capacitor: horizontal structure, safer insulation outer shell, using the high strength of the magnesium aluminum alloy, more anti-corrosion and more durable.

⑤Conductive copper bar: Large, thick copper can reduce heat loss and save energy! Copper sandblasted surface and anti-oxidation coating, the contact surface is more conductive, the appearance does not fade and makes more beautiful!

⑥Isolation (exchange) switch : when the furnace is replaced or overhauled, it is possible to control the power failure of one furnace without affecting the normal operation of another furnace. The design of safety and humanization.

⑦Plate heat exchange system (HengYang Patent No. ): to ensure the cooling water temperature in the equipment, and to prevent the external hard water from entering the power . Care to minimize equipment failure.

-Environmental protection

Medium frequency coreless melting furnace using whirlwind and side suction heat- preservation furnace cover, dust hood (ring)  through a certain air absorb dust, waste gas generated in smelting, reach and improve the effect of exhaust emissions, to meet the requirements of environmental impact assessment design.

 

Main Type and Technical Parameters:

Power input (50/60HZ)						Power output				A ton cost energy (KWH/T)
EAF type Electric furnace capacity	Rated power(KW)	Incoming voltage(V)	Incoming line current(A)	Rectifying pulse number	Rectifier transformer capacity(KVA)	DC voltage(V)	Direct current(A)	Medium frequency voltage(V)	Intermediate frequency KHZ	Melting time(Min)	Cast iron	Red copper	Brass	Aluminum
GW–0.35T	250	380	400	6	Three-phase 315	500	500	750	1	20-45	560	420	390	540
GW–0.5T	350	380	560	6	Three-phase 400	500	700	750	0.8	30-50	550	410	380	530
GW–0.75T	500	380	800	6	Three-phase 630	500	1000	750	0.8	40-50	550	410	380	530
GW–1T	800	380 750	1280 656	6 6	Three-phase 1000 Three-phase 1000	500 990	1600 808	750 1480	0.7	40-50	540	400	370	520
GW–1.5T	1000	380 750	800 820	12 6	Double three-phase 1250 Three-phase 1250	500 990	1000 1010	750 1480	0.7	40-60	530	390	360	510
GW–2T	1400	750 750	1148 574	6 12	Three-phase 1800 Double three-phase 1800	990 990	1414 707	1480 1480	0.5	45-60	520	380	350	500
GW–3T	2000	750	820	12	Double three-phase 2500	990	1010	1480	0.5	50-70	510	370	340	490
GW–5T	3000	950	1140	12	Double three-phase 4000	1260	1190	1900	0.3	50-80	500	360	330	480
GW–10T	6000	950	2280	12	Double three-phase 8000	1260	2380	1900	0.3	50-90	490	350	320	470
GW–15T	8000	950	1520	24	Four three-phase 10000	1260	1590	1900	0.3	50-90	480	340	310	460
GW–20T	10000	950	1900	24	Four three-phase 12500	1260	1980	1900	0.25	50-90	470	330	300	450
GW–30T	15000	950	2850	24	Four three-phase 20000	1260	2980	1900	0.25	50-90	470	330	300	450
In-furnace    temperature:    Steel 1650℃        Cast iron 1450℃        Red copper 1150℃         Brass 1000℃        Aluminum 700℃        Zinc 400℃

※ The capacity of the medium frequency coreless melting furnace is based on the density of steel 7.8 (the density of aluminum is 2.7, so the aluminum of equal weight: the matching power is the same, and the capacity needs x 3 times the furnace body)

※ The melting time and tons of power consumption have important relationship with the equipment matching power, raw material shape, raw material density, worker proficiency,

※ In the form above,the “ton power consumption (kwh/T)”  is a new series of power consumption, which will consume 15% or more of the power supply in Common parallel IF power supply

※ Equipment configuration: medium frequency power supply, capacitor cabinet, furnace body (steel shell or aluminum shell), hydraulic station (or reducer) tilting  system, water cooling cable etc;

※ The Above is the standard product data, can design different power according to the user demand, non-standard product with different melting speed .

https://dw-inductionheater.com/wp-content/uploads/2019/02/melting-stainless-steel-induction-furnace.jpg
https://dw-inductionheater.com/medium-frequency-coreless-melting-furnace.html
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