CN218179615U - Energy-saving gas crucible furnace - Google Patents

Abstract

The utility model relates to a gas crucible furnace technical field, concretely relates to energy-saving gas crucible furnace, its technical scheme is: including the furnace body, the furnace body top sets up the crucible, and the inside combustion chamber that sets up of furnace body, combustion chamber right-hand member downside are provided with the nozzle, and combustion chamber right-hand member upside is provided with the used heat discharge port, still including being arranged in carrying out the heat exchange assembly of heat exchange with the required air of nozzle and used heat discharge port exhaust used heat, being arranged in carrying out the preheating assembly that preheats and avoiding the heat to expose the subassembly that covers that runs off in the air to the cold aluminium ingot that drops into the crucible, the beneficial effects of the utility model are that: the heat exchange of the air required by the burner can be realized through the discharged high-temperature waste gas, the energy-saving purpose is achieved, the cold aluminum ingot can be fully preheated, the problem of energy consumption required by the cold aluminum ingot in the dissolving process is solved, the problem of too fast heat dissipation of an open crucible furnace can be solved, the heat loss is reduced, and the energy-saving purpose is achieved.

Description

Energy-saving gas crucible furnace

Technical Field

The utility model relates to a gas crucible furnace technical field, concretely relates to energy-saving gas crucible furnace.

Background

The crucible furnace is the simplest smelting equipment and is mainly used for melting nonferrous metals with low melting points, such as copper, aluminum and alloys thereof, and the alloys are melted in the crucible, heat is transferred to furnace charge through the crucible, and the furnace charge is not in direct contact with combustion products, so that the chemical components of the alloys are hardly influenced by furnace gas, and the temperature of the alloy liquid is relatively uniform.

However, the existing gas crucible furnace also has the following defects: waste heat generated by the conventional crucible furnace is directly discharged, and waste is caused by the discharged waste heat; the top is an open structure, and most of heat is exposed in the air and lost; the direct feeding of the aluminum ingot and the foundry returns into the crucible causes the phenomenon of lowering the temperature of the aluminum liquid, and causes energy waste.

Therefore, it is necessary to invent an energy-saving gas crucible furnace.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides an energy-saving gas crucible furnace has increased the heat exchange assembly for the required air of nozzle carries out the heat exchange through discharge high temperature waste gas, reach energy-conserving purpose, preheating assembly and petticoat pipe have been increased, make cold aluminium ingot by abundant preheating, solved cold aluminium ingot to the required energy resource consumption problem of dissolving in-process, and solved the crucible furnace heat dissipation of open-type too fast problem behind the petticoat pipe, reduce thermal loss, reach energy-conserving purpose.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an energy-saving gas crucible furnace, includes the furnace body, and the furnace body top sets up the crucible, the inside combustion chamber that sets up of furnace body, and combustion chamber right-hand member downside is provided with the nozzle, and combustion chamber right-hand member upside is provided with the used heat discharge port, still including being arranged in carrying out the heat exchange subassembly of heat exchange with the required air of nozzle and used heat discharge port exhaust used heat, be arranged in going on preheating the subassembly and avoiding the heat to expose the subassembly that covers that runs off in the air to the cold aluminium ingot that drops into in the crucible.

Preferably, the heat exchange assembly comprises a closed shell, a plurality of shunt tubes are arranged inside the closed shell, the lower side of the left end of the closed shell is communicated with the waste heat discharge port, and a heat collection tube is welded on the upper side of the left end of the closed shell.

Preferably, the heat exchange assembly still includes air-supply line and exhaust pipe, air-supply line top fixed mounting is at closed shell front end, and air-supply line top and a plurality of shunt tubes front end communicate, exhaust pipe top fixed mounting is in closed shell rear end, and exhaust pipe top and a plurality of shunt tubes rear end communicate.

Preferably, the bottom end of the air inlet pipe is fixedly connected with a fan, the input end of the fan is fixedly connected with an air suction pipe, and the bottom end of the air exhaust pipe is fixedly installed with the burner.

Preferably, the preheating assembly comprises a heat discharge pipe, the right end of the heat discharge pipe is welded at the left end of the heat collection pipe, and the left end of the heat discharge pipe extends to the upper side of the crucible.

Preferably, it includes the petticoat pipe to cover the subassembly, the petticoat pipe is placed in the furnace body top, the exhaust pipe is located the petticoat pipe, the through-hole has been seted up to the petticoat pipe right-hand member, the thermal-collecting tube left end runs through the through-hole, the welding of petticoat pipe top has the chimney.

Preferably, furnace body right-hand member fixed mounting has the protection otter board, protection otter board top fixed mounting is in closed shell bottom, fan and aspiration channel all are located inside the protection otter board.

The utility model has the advantages that: through the furnace body that is equipped with, the crucible, the combustion chamber, the nozzle, the used heat discharge mouth, the heat exchange assembly, preheat the subassembly and use with the cooperation that covers the subassembly, through increasing the heat exchange assembly, make the required air of nozzle carry out the heat exchange through discharging high temperature waste gas, reach energy-conserving purpose, preheat subassembly and petticoat pipe through increasing, make cold aluminium ingot by abundant preheating, the cold aluminium ingot has been solved and has been solved cold aluminium ingot and to the required energy resource consumption problem of dissolving in-process, and solved the too fast problem of open-type crucible furnace heat dissipation after having added the petticoat pipe, reduce thermal loss, reach energy-conserving purpose.

Drawings

Fig. 1 is a perspective view of the structure in the main viewing direction provided by the present invention;

FIG. 2 is a perspective view of the present invention with a partial structure;

FIG. 3 is a perspective view of the present invention;

fig. 4 is a perspective view of the structure in the rear view direction provided by the present invention.

In the figure: 1. a furnace body; 2. a crucible; 3. a combustion chamber; 4. burning a nozzle; 5. a waste heat discharge port; 6. a closed housing; 7. a shunt tube; 8. an air inlet pipe; 9. an exhaust duct; 10. a fan; 11. an air suction pipe; 12. a heat collecting pipe; 13. a heat discharging pipe; 14. a smoke cage; 15. a through hole; 16. a chimney; 17. a protective mesh plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to the attached drawings 1-4, the utility model provides an energy-saving gas crucible furnace, including furnace body 1, furnace body 1 top sets up crucible 2, the staff can put into crucible 2 with the cold aluminium ingot that needs to be smelted, furnace body 1 is inside to set up combustion chamber 3, combustion chamber 3 right-hand member downside is provided with nozzle 4, combustion chamber 3 right-hand member upside is provided with used heat discharge port 5, so when the gas burns in combustion chamber 3, can heat crucible 2, thus can add the cold aluminium ingot in crucible 2 and heat the melting operation, used heat is discharged by used heat discharge port 5, still include the heat exchange assembly that is used for carrying out the heat exchange with used heat discharge port 5 exhaust used heat with the required air of nozzle 4, be used for carrying out the preheating assembly that preheats the cold aluminium ingot that drops into crucible 2 and avoid the heat to expose in the covering assembly that the air runs off;

the heat exchange assembly comprises a closed shell 6, a plurality of shunt tubes 7 are arranged inside the closed shell 6, the lower side of the left end of the closed shell 6 is communicated with a waste heat discharge port 5, waste heat generated in a combustion chamber 3 can be discharged into the closed shell 6 through the waste heat discharge port 5, so that the heat drying operation is carried out on the shunt tubes 7, a heat collection tube 12 is welded on the upper side of the left end of the closed shell 6, so that the residual waste heat is collected through the heat collection tube 12 and then discharged from the inside of the closed shell 6, the structure of the heat exchange assembly is reasonable in design, the heat exchange assembly further comprises an air inlet tube 8 and an exhaust tube 9, the top end of the air inlet tube 8 is fixedly installed at the front end of the closed shell 6, the top end of the air inlet tube 8 is communicated with the front ends of the shunt tubes 7, the top end of the exhaust tube 9 is fixedly installed at the rear end of the closed shell 6, the top end of the exhaust tube 9 is communicated with the rear ends of the shunt tubes 7, a fan 10 is fixedly connected with an air suction tube 11 at the bottom end of the fan 10, the bottom end of the exhaust tube 9 is fixedly installed with a burner 4, so that when the fan 10 does work, air flow enters the shunt tubes 7, the exhaust tube 7, the waste heat exchange operation can be concentrated in the heat exchange chamber, and the waste heat exchange operation can be carried out through the waste heat exchange operation, and the waste gas flow can be discharged through the burner 4, and the shunt tubes 7, and the waste heat exchange operation can be concentrated in the burner 4;

the preheating assembly comprises a heat exhaust pipe 13, the right end of the heat exhaust pipe 13 is welded at the left end of the heat collection pipe 12, and the left end of the heat exhaust pipe 13 extends to the upper part of the crucible 2, so that the residual waste heat is collected by the heat collection pipe 12 and then is exhausted from the inside of the closed shell 6, and then can be blown to the crucible 2 through the heat exhaust pipe 13, so that the cold aluminum ingot placed in the crucible 2 can be preheated, the cold aluminum ingot is fully preheated, and the problem of energy consumption required in the process of dissolving the cold aluminum ingot is solved;

the covering component comprises a smoke hood 14, the smoke hood 14 is placed above the furnace body 1, the heat exhaust pipe 13 is positioned in the smoke hood 14, waste heat exhausted by the heat exhaust pipe 13 can be shielded, the waste heat blown to the crucible 2 is prevented from being quickly lost and heat in the crucible 2 is prevented from being quickly lost, the problem that the open type crucible furnace is too quickly radiated is solved, the loss of heat is reduced, the energy-saving purpose is achieved, a through hole 15 is formed in the right end of the smoke hood 14, and the through hole 15 is penetrated through the left end of the heat collecting pipe 12, so that the utility model has reasonable structural design, a chimney 16 is welded at the top of the smoke hood 14 and can be used for exhausting waste heat, and the utility model has reasonable structural design;

1 right-hand member fixed mounting of furnace body has protection otter board 17, and protection otter board 17 top fixed mounting is in 6 bottoms of closed shell, and inside fan 10 and aspiration channel 11 all were located protection otter board 17, can protect fan 10 and aspiration channel 11, and prevent effectively that external impurity from being inhaled by aspiration channel 11, guarantee the stability of fan 10 during operation.

The utility model discloses a use as follows: the worker firstly puts the cold aluminum ingot to be smelted into the crucible 2, then the fuel gas is burnt in the combustion chamber 3, when the fuel gas is burnt in the combustion chamber 3, the crucible 2 can be heated, so that the cold aluminum ingot added into the crucible 2 can be heated and melted, and the waste heat is discharged from the waste heat discharge port 5;

then the waste heat generated in the combustion chamber 3 can be discharged into the closed shell 6 from the waste heat outlet 5, so that the plurality of shunt tubes 7 are heated, then the worker starts the fan 10, when the fan 10 does work, air can be sucked through the air suction pipe 11, then the air flow enters the plurality of shunt tubes 7 through the air inlet pipe 8 to be shunted, at the moment, the air flow can be subjected to heat exchange operation in the heated shunt tubes 7, the air flow after heat exchange is concentrated through the exhaust pipe 9 and then enters the combustion chamber 3 through the burner 4, so that the air required by the burner 4 is subjected to heat exchange through discharging high-temperature waste gas, and the purpose of energy conservation is achieved;

the residual waste heat is collected by the heat collecting tube 12, and then is discharged from the inner part of the closed shell 6, and then can be blown to the crucible 2 by the heat discharging tube 13, so that the cold aluminum ingot put into the crucible 2 can be preheated, the cold aluminum ingot is fully preheated, and the problem of energy consumption required in the process of dissolving the cold aluminum ingot is solved;

finally, under the action of the smoke hood 14, the waste heat discharged by the heat discharge pipe 13 can be shielded, the waste heat blown into the crucible 2 is prevented from being quickly lost, and the heat in the crucible 2 is prevented from being quickly lost, so that the problem that the open type crucible furnace is too fast in heat dissipation is solved, the heat loss is reduced, and the purpose of saving energy is achieved.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of protection claimed by the present invention as far as possible.

Claims (7)

1. The utility model provides an energy-saving gas crucible furnace, includes furnace body (1), and furnace body (1) top sets up crucible (2), and furnace body (1) is inside to be set up combustion chamber (3), and combustion chamber (3) right-hand member downside is provided with nozzle (4), and combustion chamber (3) right-hand member upside is provided with used heat discharge port (5), its characterized in that: the aluminum ingot preheating furnace further comprises a heat exchange assembly for carrying out heat exchange between air required by the burner (4) and waste heat discharged by the waste heat discharge port (5), a preheating assembly for preheating a cold aluminum ingot put into the crucible (2), and a covering assembly for avoiding heat loss due to exposure to air.

2. An energy saving gas crucible furnace as claimed in claim 1, wherein: the heat exchange assembly comprises a closed shell (6), a plurality of shunt tubes (7) are arranged inside the closed shell (6), the lower side of the left end of the closed shell (6) is communicated with a waste heat outlet (5), and a heat collecting tube (12) is welded on the upper side of the left end of the closed shell (6).

3. An energy saving gas crucible furnace as claimed in claim 2, wherein: the heat exchange assembly further comprises an air inlet pipe (8) and an exhaust pipe (9), wherein the top end of the air inlet pipe (8) is fixedly installed at the front end of the closed shell (6), the top end of the air inlet pipe (8) is communicated with the front ends of the multiple shunt pipes (7), the top end of the exhaust pipe (9) is fixedly installed at the rear end of the closed shell (6), and the top end of the exhaust pipe (9) is communicated with the rear ends of the multiple shunt pipes (7).

4. An energy saving gas crucible furnace as claimed in claim 3, wherein: the air inlet pipe (8) bottom fixedly connected with fan (10), fan (10) input end fixedly connected with aspiration channel (11), exhaust pipe (9) bottom and nozzle (4) fixed mounting.

5. An energy saving gas crucible furnace as claimed in claim 2, wherein: the preheating assembly comprises a heat discharge pipe (13), the right end of the heat discharge pipe (13) is welded at the left end of the heat collection pipe (12), and the left end of the heat discharge pipe (13) extends to the upper side of the crucible (2).

6. An energy saving gas crucible furnace as claimed in claim 5, wherein: cover the subassembly and include petticoat pipe (14), petticoat pipe (14) are placed in furnace body (1) top, exhaust pipe (13) are located petticoat pipe (14), through-hole (15) have been seted up to petticoat pipe (14) right-hand member, through-hole (15) are run through to thermal-collecting tube (12) left end, the welding of petticoat pipe (14) top has chimney (16).

7. An energy saving gas crucible furnace as claimed in claim 4, wherein: furnace body (1) right-hand member fixed mounting has protection otter board (17), protection otter board (17) top fixed mounting is in closed shell (6) bottom, fan (10) and aspiration channel (11) all are located inside protection otter board (17).

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