CN112268457B - Electromagnetic waste zinc melting furnace - Google Patents

Electromagnetic waste zinc melting furnace Download PDF

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Publication number
CN112268457B
CN112268457B CN202011212308.4A CN202011212308A CN112268457B CN 112268457 B CN112268457 B CN 112268457B CN 202011212308 A CN202011212308 A CN 202011212308A CN 112268457 B CN112268457 B CN 112268457B
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furnace
electromagnetic
furnace body
zinc
door
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CN202011212308.4A
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CN112268457A (en
Inventor
陈建波
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Yueyang Lianchuang Thermal Equipment Co ltd
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Yueyang Lianchuang Thermal Equipment Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/06—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L15/00—Heating of air supplied for combustion
    • F23L15/02—Arrangements of regenerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F27B14/14—Arrangements of heating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/18—Door frames; Doors, lids, removable covers
    • F27D1/1858—Doors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D11/00—Arrangement of elements for electric heating in or on furnaces
    • F27D11/06—Induction heating, i.e. in which the material being heated, or its container or elements embodied therein, form the secondary of a transformer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004—Systems for reclaiming waste heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D27/00—Stirring devices for molten material
    • F27D27/005—Pumps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

The invention provides an electromagnetic type waste zinc melting furnace, which comprises: the furnace body is of a hollow structure, the lower part of the furnace body is provided with a furnace bottom, the outer side of the furnace body is a metal layer, the middle layer of the furnace body is built by heat-insulating materials, the lining of the furnace body and the lining of the furnace bottom are cast and molded by high-temperature-resistant castable, the furnace body is provided with a burner installation fire hole, a main zinc placing hole, an auxiliary zinc placing hole and a rectangular door opening, the rectangular door opening is provided with a furnace door, and the top of the furnace body is provided with a smoke exhaust hole; heating device is provided with high temperature combustor and a plurality of electromagnetic melting ware, high temperature combustor is fixed to be set up combustor installation burner, combustor installation burner is the below setting in the slant, high temperature combustor's spout orientation the inner chamber of furnace body sets up, and is a plurality of the even level of electromagnetic melting ware inlays and establishes and is being removed rectangle door opening department the furnace body lower part. The invention can realize the quick melting of the waste zinc, has high utilization rate of raw materials, saves energy and can reduce the emission of flue gas.

Description

Electromagnetic waste zinc melting furnace
Technical Field
The invention relates to the technical field of metal melting furnaces, in particular to an electromagnetic type waste zinc melting furnace.
Background
Zinc is an industrial metal widely used in various fields, and some zinc scrap is generally generated during the zinc metal processing process, and can be recycled.
The waste zinc is usually melted again, a melting furnace adopted in the general melting process is a combustion type melting furnace, the melting furnace is provided with a burner, petroleum products such as coal gas, diesel oil, natural gas, liquefied gas and the like are used as heating fuels of the burner, zinc metal oxidation is easily caused in the heating process, the raw materials are seriously burnt, and meanwhile, the burner generates high-temperature flame and simultaneously easily generates waste gas, so that the environment is polluted; molten metal in a furnace of a traditional combustion type melting furnace needs to be stirred, and the investment of manpower or other additional equipment is usually needed, so that the production cost and the labor intensity of personnel are greatly increased.
Disclosure of Invention
The invention provides an electromagnetic type waste zinc melting furnace, and aims to reduce zinc material loss and melting cost, improve waste zinc melting efficiency, and reduce emission pollution so as to provide a good working environment for operators.
In order to achieve the above object, an embodiment of the present invention provides an electromagnetic waste zinc melting furnace, including:
the furnace body is of a hollow structure, the lower part of the furnace body is provided with a furnace bottom, the outer side of the furnace body is a metal layer, the middle layer of the furnace body is built by heat-insulating materials, the inner lining of the furnace body and the inner lining of the furnace bottom are cast and molded by high-temperature-resistant casting materials, the furnace body is provided with a burner installation fire hole, a main zinc placing hole, an auxiliary zinc placing hole and a rectangular door opening, the rectangular door opening is provided with a furnace door, and the top of the furnace body is provided with a smoke exhaust hole;
heating device, heating device is provided with high temperature combustor and a plurality of electromagnetic melting ware, the high temperature combustor is fixed to be set up combustor installation burner, combustor installation burner is the setting of below to one side, the spout orientation of high temperature combustor the inner chamber of furnace body sets up, and is a plurality of the even level of electromagnetic melting ware inlays and establishes and is being left the rectangle door opening department the furnace body lower part.
The electromagnetic fusion device comprises an electromagnetic fusion device, a furnace body, a high-temperature zinc liquid channel, a heater and an electromagnetic pump, wherein the electromagnetic fusion device is internally provided with the high-temperature zinc liquid channel, the high-temperature zinc liquid channel extends to the outside of the electromagnetic fusion device, the high-temperature zinc liquid channel arranged outside is communicated with an inner cavity of the furnace body, the electromagnetic fusion device is internally provided with the heater and the electromagnetic pump, and the heater and the electromagnetic pump both act on the high-temperature zinc liquid channel.
Wherein, still include: the furnace door lifting device is provided with two lifting supports, the two lifting supports are respectively arranged on the two sides of the upper part of the rectangular door opening, the lifting supports are provided with weight boxes, two sides of the top of the furnace door are respectively provided with furnace door connecting seats, and each weight box on the lifting support is connected with the furnace door connecting seats on the same side through chains.
Wherein, still include: the preheating device is provided with an air preheater, the air preheater is communicated with the smoke exhaust port, the air preheater is communicated with the high-temperature combustor through a combustor connecting pipe, and the air preheater is externally connected with a fan.
Wherein, the furnace gate outside is provided with the furnace gate smoke absorption cover, upper portion set up the through-hole, the through-hole is provided with the smoke absorption cover and discharges fume the pipe, the smoke absorption cover discharge fume the pipe with air heater intercommunication.
The furnace body outside is located the rectangle door opening is provided with furnace gate closing device, furnace gate closing device is located the other both sides in rectangle door opening all are provided with the furnace gate and compress tightly the seat and compress tightly articulated seat, the furnace gate compresses tightly all to articulate on the seat and is provided with and compresses tightly the cylinder, the front end that compresses tightly the cylinder is provided with the connecting rod, the end of connecting rod articulates there is the compression connecting rod, compress tightly the connecting rod and connect the furnace gate, the middle part that compresses tightly the connecting rod articulates compress tightly articulated seat is last.
The pressing connecting rod and the connection part of the furnace door are provided with circular connecting blocks, pressing guide seats are respectively arranged on two sides of the furnace door and are rectangular grooves with openings, and the circular connecting blocks are arranged in the pressing guide seats.
The scheme of the invention has the following beneficial effects:
1. according to the invention, only when no zinc liquid is in the furnace and solid materials need to be put in, the high-temperature combustor is adopted for heating, and when the zinc liquid which can meet the normal work of the electromagnetic melter exists in the furnace, the high-temperature combustor can be closed, the electromagnetic melter is started, the electromagnetic melter is used for circularly heating, so that the burning loss is effectively reduced by 10%, and the utilization rate of raw materials is improved;
2. according to the invention, the electromagnetic melting device is adopted to circularly heat the zinc liquid, the zinc liquid continuously flows through the electromagnetic pump in the electromagnetic melting device in the heating process, the temperature of the zinc liquid is uniform, and the product quality is improved;
3. in the invention, the zinc liquid in the furnace is continuously stirred by the electromagnetic melter without manual or mechanical stirring, so that the labor intensity of workers and the investment of additional equipment are reduced, the cost is reduced, and the economic benefit is improved;
4. because of adopting the molten zinc melting mode of combining the high-temperature burner and the electromagnetic melter, the furnace body receives the high-temperature flame for a shorter time, and the service life of the melting furnace can be prolonged by about one time;
5. because the high-temperature combustor does not need to burn for a long time, the service life of the high-temperature combustor is increased by three times compared with that of a common combustor, and the emission meets the environmental protection standard;
6. the invention is provided with the preheating device, can utilize the air preheater to receive the smoke generated during melting, and when the temperature of the smoke is 900 ℃, the temperature of the combustion air conveyed to the high-temperature combustor by the air preheater can reach about 600 ℃, thereby saving 25-30% of energy.
Drawings
FIG. 1 is a first longitudinal sectional view of an electromagnetic scrap zinc melting furnace according to the present invention;
FIG. 2 is a transverse sectional view of an electromagnetic type scrap zinc melting furnace according to the present invention;
FIG. 3 is a longitudinal sectional view of an electromagnetic waste zinc melting furnace according to the present invention
FIG. 4 is a plan view of an electromagnetic scrap zinc melting furnace according to the present invention;
fig. 5 is a longitudinal partial sectional view of an electromagnetic type waste zinc melting furnace of the present invention.
[ description of reference ]
1-furnace body; 2-furnace bottom; 3-furnace door; 4-a high temperature burner; 5-an electromagnetic dissolver; 6-furnace door lifting device; 7-an air preheater; 8-furnace door smoke suction hood; 9-furnace door pressing device; 101-a metal layer; 102-heat insulation material; 103-high temperature resistant castable; 104-burner installation fire hole; 105-a main zinc discharging port; 106-auxiliary zinc discharge port; 107-rectangular door opening; 108-smoke outlet; 109-a liquid storage tank; 301-oven door connecting seat; 302-pressing guide seat; 401-burner connection pipe; 501-high temperature zinc liquid channel; 502-a heater; 601-a lifting bracket; 602-weight box; 603-a chain; 901-oven door pressing seat; 902-compressing the hinged seat; 903-pressing cylinder; 904-connecting rod; 905-pressing connecting rod.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The invention provides an electromagnetic waste zinc melting furnace, aiming at the problems of large zinc material loss, high melting cost, low waste zinc melting efficiency, large pollution discharge, high labor intensity of operators and the like of the existing combustion type melting furnace.
As shown in fig. 1 to 5, an embodiment of the present invention provides an electromagnetic waste zinc melting furnace, including: the furnace comprises a furnace body 1, wherein the furnace body 1 is of a hollow structure, a furnace bottom 2 is arranged at the lower part of the furnace body 1, a metal layer 101 is arranged at the outer side of the furnace body 1, the middle layer of the furnace body is built by heat insulation materials 102, a lining of the furnace body 1 and a lining of the furnace bottom are cast and molded by high temperature resistant casting materials 103, the furnace body 1 is provided with a burner installation fire hole 104, a main zinc placing hole 105, an auxiliary zinc placing hole 106 and a rectangular door opening 107, a furnace door 3 is arranged at the rectangular door opening 107, and the top of the furnace body 1 is provided with a smoke exhaust hole 108; heating device, heating device is provided with high temperature combustor 4 and a plurality of electromagnetic melting ware 5, high temperature combustor 4 is fixed to be set up combustor installation burner 104, combustor installation burner 104 sets up towards oblique below, the spout orientation of high temperature combustor 4 the inner chamber setting of furnace body 1 is a plurality of the even level of electromagnetic melting ware 5 inlays to be established and is removed rectangle door opening 107 department 1 lower part of furnace body.
The electromagnetic waste zinc melting furnace according to the above embodiment of the present invention is characterized in that a liquid storage tank 109 is arranged inside the furnace body 1, the bottom of the liquid storage tank 109 is connected to the rectangular door opening 107 in a gentle slope, the liquid storage tank 108 is used for storing molten zinc, the electromagnetic melter 5 is arranged near the height of the liquid storage tank 109, the opening of the main zinc discharge port 105 is arranged in the middle of the liquid storage tank 109, and the opening of the auxiliary zinc discharge port 106 is arranged at the bottom of the liquid storage tank 109;
the furnace body 1 consists of a metal layer 101, a heat insulation material 102 and a high temperature resistant castable 103 from outside to inside, the furnace body 1 can effectively play a role in heat insulation, the furnace door 3 is arranged in the rectangular door opening 107, and when the furnace door 3 is opened, an operator can add solid metal materials into the furnace or take off deposited ash at the bottom of the furnace from the rectangular door opening 107; after the waste zinc is added into the furnace and the furnace door 3 is closed, the high-temperature combustor 4 starts to burn, waste zinc solids are gradually converted into liquid, flue gas in the burning process is discharged from the smoke outlet 108, zinc liquid generated by burning is gradually stored in the liquid storage tank 109, the high-temperature combustor 4 stops burning when the liquid level of the liquid storage tank 109 rises to the height of the electromagnetic melter 5, the electromagnetic melter 5 starts to heat the zinc liquid, and the electromagnetic melter 5 continuously heats the zinc liquid and stirs the zinc liquid after the waste zinc is completely melted; when the zinc liquid in the furnace needs to be led out, the zinc liquid is led out by opening the main zinc discharge port 105 or the auxiliary zinc discharge port 106.
As shown in fig. 1 to fig. 3, a high-temperature molten zinc passage 501 is provided inside the electromagnetic melter 5, the high-temperature molten zinc passage 501 extends to the outside of the electromagnetic melter 501, the high-temperature molten zinc passage 501 provided outside communicates with the inner cavity of the furnace body 1, a heater 502 and an electromagnetic pump are provided inside the electromagnetic melter 5, and both the heater 502 and the electromagnetic pump act on the high-temperature molten zinc passage 501.
In the electromagnetic waste zinc melting furnace according to the above embodiment of the present invention, the high temperature molten zinc passageway 501 is arranged in the electromagnetic melter 5 in a penetrating manner, the heater 502 is annularly arranged outside the high temperature molten zinc passageway 501, the heater 502 is an electromagnetic induction heater, and the electromagnetic pump is arranged on a path of the high temperature molten zinc passageway;
when the zinc liquid in the liquid storage tank 109 reaches the opening height of the high-temperature zinc liquid channel 501, the zinc liquid can enter the high-temperature zinc liquid channel 501 from one opening, at this time, the high-temperature burner 4 is closed, the electromagnetic melter 5 is started, the electromagnetic pump can drive the zinc liquid to continuously flow in the high-temperature zinc liquid channel 501, the heater 502 arranged outside the high-temperature zinc liquid channel 501 can generate eddy current for the zinc liquid through electromagnetic induction, so that the temperature of the zinc liquid is raised, the zinc liquid with the raised temperature can flow back into the liquid storage tank 109 through the other opening of the high-temperature zinc liquid channel 501 again, the flowing zinc liquid can realize the effect of continuously stirring, the temperature of the zinc liquid is uniform, and the temperature of the zinc liquid can be transmitted to the waste zinc solid which is not melted, so that all the waste zinc in the furnace is melted into liquid.
As shown in fig. 1, the method further includes: furnace gate elevating gear 6, furnace gate elevating gear 6 is provided with two lifting support 601, two lifting support 601 sets up respectively furnace body 1 is located the top both sides of rectangle door opening 107, lifting support 601 is provided with weight box 602, 3 top both sides of furnace gate are provided with furnace gate connecting seat 301 respectively, every on lifting support 601 weight box 602 passes through chain 603 and homonymy furnace gate connecting seat 301 connects.
In the electromagnetic waste zinc melting furnace according to the above embodiment of the present invention, the furnace door lifting device 6 is mounted on the lifting bracket 601 above the rectangular door opening 107, and is provided with the weight box 602 for reducing the power of the furnace door lifting device 6 to stably lift the furnace door 3, and the furnace door 3 and the weight box 602 are connected by two chains 603.
As shown in fig. 1, 3 and 4, the method further includes: the preheating device is provided with an air preheater 7, the air preheater 7 is communicated with the smoke outlet 108, the air preheater 7 is communicated with the high-temperature combustor 4 through a combustor connecting pipe 401, and the air preheater 7 is externally connected with a fan.
Wherein, 3 outsides of furnace gate are provided with furnace gate smoke absorption cover 8, upper portion set up the through-hole, the through-hole is provided with the smoke absorption cover and discharges fume the pipe, the smoke absorption cover discharge fume the pipe with air heater 7 intercommunication.
In the electromagnetic waste zinc melting furnace according to the embodiment of the invention, the air preheater 7 is provided with three openings, the three openings are respectively connected with the fan, the smoke outlet 108 and the furnace door smoke suction hood 8, the furnace door smoke suction hood 8 is covered outside the furnace door, the height of the furnace door smoke suction hood 8 is larger than that of the furnace door 3, and the furnace door smoke suction hood 8 is provided with an opening through which the chain 603 passes.
The high-temperature flue gas inlet of the air preheater 7 is connected with the smoke outlet 108, and combustion-supporting air is preheated to about 600 ℃ by using high-temperature flue gas in the furnace, so that 30% of energy can be saved. When the furnace door 3 is opened, smoke in the furnace can be sucked into the main smoke pipe, and the workshop environment is kept.
As shown in fig. 2, the outer side of the furnace body 1 is located in the rectangular door opening 107 and is provided with a furnace door pressing device 9, the furnace door pressing device 9 is located on two sides beside the rectangular door opening and is provided with a furnace door pressing seat 901 and a pressing hinge seat 902, the furnace door pressing seat 901 is hinged to a pressing cylinder 903, the front end of the pressing cylinder 903 is provided with a connecting rod 904, the end of the connecting rod 904 is hinged to a pressing connecting rod 905, the pressing connecting rod 905 is connected with the furnace door 3, and the middle of the pressing connecting rod 905 is hinged to the pressing hinge seat 902.
Wherein, compress tightly connecting rod 905 with the furnace door 3 junction is provided with circular connecting block, furnace door 3 both sides are provided with respectively and compress tightly guide holder 302, compress tightly guide holder 302 and be open-ended rectangular channel, circular connecting block sets up in compressing tightly guide holder 302.
In the electromagnetic waste zinc melting furnace according to the above embodiment of the present invention, when the pressing cylinder 903 is pushed outwards, the connecting rod 904 extends forwards, and since the middle of the pressing connecting rod 905 is hinged to the pressing hinge seat 902, the pressing connecting rod 905 rotates around the pressing hinge seat 902, the other end of the pressing connecting rod 905 moves towards the inside of the furnace door 3, and the pressing guide seat 302 moves along with the pressing connecting rod 905, so that the furnace door 3 is sealed from the outer plane of the rectangular door opening 107.
Before the melting furnace is started, the furnace door 3 is lifted by the furnace door lifting device 6, and after the furnace door 3 is opened, an operator can add waste zinc solids into the furnace from the rectangular door opening 107; after the waste zinc is added into the furnace and the furnace door 3 is closed, the compacting cylinder 903 drives the furnace door 3 to compact on the outer plane of the rectangular door opening 107, at this time, the high-temperature combustor 4 starts to burn, waste zinc solids are gradually converted into liquid, smoke in the burning process is discharged from the smoke exhaust port, zinc liquid generated by burning is gradually accumulated in the liquid storage tank 109, when the liquid level of the liquid storage tank 109 rises to the height of the electromagnetic melter 5, the zinc liquid enters the high-temperature zinc liquid channel 501, the high-temperature combustor 4 stops burning, the electromagnetic melter 5 starts to heat the zinc liquid, and after the waste zinc is completely melted, the electromagnetic melter 5 continuously heats the zinc liquid by using the heater 502 and stirs the zinc liquid by using the electromagnetic pump; when the zinc liquid in the furnace needs to be led out, the zinc liquid is led out by opening the main zinc discharge port or the auxiliary zinc discharge port.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (6)

1. An electromagnetic type waste zinc melting furnace is characterized by comprising:
the furnace body is of a hollow structure, the lower part of the furnace body is provided with a furnace bottom, the outer side of the furnace body is a metal layer, the middle layer of the furnace body is built by heat-insulating materials, the inner lining of the furnace body and the inner lining of the furnace bottom are cast and molded by high-temperature-resistant casting materials, the furnace body is provided with a burner installation fire hole, a main zinc placing hole, an auxiliary zinc placing hole and a rectangular door opening, the rectangular door opening is provided with a furnace door, and the top of the furnace body is provided with a smoke exhaust hole;
the heating device is provided with a high-temperature combustor and a plurality of electromagnetic melters, the high-temperature combustor is fixedly arranged at a combustor mounting fire hole, the combustor mounting fire hole is arranged in an inclined lower direction, a nozzle of the high-temperature combustor is arranged towards an inner cavity of the furnace body, and the plurality of electromagnetic melters are uniformly and horizontally embedded at the lower part of the furnace body except the rectangular door hole;
the electromagnetic melting device is characterized in that a high-temperature zinc liquid channel is arranged in the electromagnetic melting device, the high-temperature zinc liquid channel extends to the outside of the electromagnetic melting device, the high-temperature zinc liquid channel arranged outside is communicated with an inner cavity of the furnace body, a heater and an electromagnetic pump are arranged in the electromagnetic melting device, and the heater and the electromagnetic pump both act on the high-temperature zinc liquid channel.
2. The electromagnetic type waste zinc melting furnace according to claim 1, further comprising: the furnace door lifting device is provided with two lifting supports, the two lifting supports are respectively arranged on the two sides of the upper part of the rectangular door opening, the lifting supports are provided with weight boxes, two sides of the top of the furnace door are respectively provided with furnace door connecting seats, and each weight box on the lifting support is connected with the furnace door connecting seats on the same side through chains.
3. The electromagnetic type waste zinc melting furnace according to claim 1, further comprising: the preheating device is provided with an air preheater, the air preheater is communicated with the smoke exhaust port, the air preheater is communicated with the high-temperature combustor through a combustor connecting pipe, and the air preheater is externally connected with a fan.
4. The electromagnetic type waste zinc melting furnace according to claim 3, wherein a furnace door smoke suction hood is arranged on the outer side of the furnace door, a through hole is formed in the upper portion of the furnace door smoke suction hood, a smoke suction hood smoke exhaust pipe is arranged in the through hole, and the smoke suction hood smoke exhaust pipe is communicated with the air preheater.
5. The electromagnetic type waste zinc melting furnace according to claim 1, wherein a furnace door pressing device is arranged on the rectangular door opening on the outer side of the furnace body, furnace door pressing seats and pressing hinge seats are arranged on two sides of the furnace door pressing device beside the rectangular door opening, pressing cylinders are hinged on the furnace door pressing seats, connecting rods are arranged at the front ends of the pressing cylinders, pressing connecting rods are hinged to the ends of the connecting rods, the pressing connecting rods are connected with the furnace door, and the middle parts of the pressing connecting rods are hinged to the pressing hinge seats.
6. The electromagnetic type waste zinc melting furnace of claim 5, wherein a circular connecting block is arranged at the joint of the compressing connecting rod and the furnace door, compressing guide seats are respectively arranged on two sides of the furnace door, the compressing guide seats are rectangular grooves with openings, and the circular connecting block is arranged in the compressing guide seats.
CN202011212308.4A 2020-11-03 2020-11-03 Electromagnetic waste zinc melting furnace Active CN112268457B (en)

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Application Number Priority Date Filing Date Title
CN202011212308.4A CN112268457B (en) 2020-11-03 2020-11-03 Electromagnetic waste zinc melting furnace

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Application Number Priority Date Filing Date Title
CN202011212308.4A CN112268457B (en) 2020-11-03 2020-11-03 Electromagnetic waste zinc melting furnace

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Publication Number Publication Date
CN112268457A CN112268457A (en) 2021-01-26
CN112268457B true CN112268457B (en) 2022-03-29

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US3276758A (en) * 1963-04-24 1966-10-04 North American Aviation Inc Metal melting furnace system
CN101586912B (en) * 2009-06-18 2010-10-20 苏州新长光热能科技有限公司 Aluminum and aluminum alloy isothermal smelting furnace
CN102056422A (en) * 2009-11-02 2011-05-11 西安中科麦特电子技术设备有限公司 Electromagnetic pump wave crest generator with function of recovering welding flux
CN204126903U (en) * 2014-09-26 2015-01-28 斯必克冷却技术（张家口）有限公司 Helical blade zinc liquid pump
JP6736162B2 (en) * 2016-10-28 2020-08-05 助川電気工業株式会社 Graphite crucible, melting and holding furnace and casting apparatus using the same
CN207113582U (en) * 2017-06-27 2018-03-16 石家庄爱迪尔电气有限公司 Electromagnetic propulsion formula waste aluminum recovery system
CN208869640U (en) * 2018-08-08 2019-05-17 赣州铝业股份有限公司 A kind of aluminium skimmings smelting furnace

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