CN217479513U

CN217479513U - Nitrogen-hydrogen protection heat treatment furnace with synchronous processing function

Info

Publication number: CN217479513U
Application number: CN202221331843.6U
Authority: CN
Inventors: 王跃; 李新星; 李亮亮; 陆嘉康; 王锞
Original assignee: Aidan Metal Materials Jiangyin Co ltd
Current assignee: Aidan Metal Materials Jiangyin Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-09-23
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a nitrogen-hydrogen protection heat treatment furnace with synchronous processing function, which relates to the technical field of metal material heat treatment equipment, and comprises a furnace body, a furnace hearth, a furnace door, a lifting device and an electronic element box, wherein the furnace body is arranged at the top of the electronic element box; the utility model is simple in operation, safety and stability not only can realize distinguishing different specification metal material's thermal treatment, can also effectually avoid the oxidation and improve the bright degree on metal material surface.

Description

Nitrogen-hydrogen protection heat treatment furnace with synchronous processing function

Technical Field

The utility model relates to the technical field of metal material heat treatment equipment, in particular to a nitrogen-hydrogen protection heat treatment furnace with synchronous processing function.

Background

The conventional heat treatment furnace comprises a vacuum system, wherein air or oxygen in a hearth is pumped out by a vacuum pump so as to enable the hearth to reach a vacuum state, and then hydrogen or nitrogen is introduced to serve as a protective atmosphere to carry out heat treatment on metal materials.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide a nitrogen-hydrogen protection heat treatment furnace with synchronous processing function.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

a nitrogen-hydrogen protection heat treatment furnace with a synchronous processing function comprises a furnace body, furnace chambers, furnace doors, a lifting device and an electronic element box, wherein the furnace body is arranged at the top of the electronic element box, a connecting pipe is arranged on the electronic element box and is communicated with the inside of the electronic element box, a heating chamber is arranged inside the furnace body, an inlet of the heating chamber is arranged on any end face of the furnace body, at least one furnace chamber is arranged in the heating chamber, the end part of each furnace chamber is provided with the furnace door, the furnace body comprises an upper furnace body and a lower furnace body, hinges are arranged on the same outer side faces of the upper furnace body and the lower furnace body, the upper furnace body and the lower furnace body are rotatably connected through the hinges, the upper furnace body is opened through the lifting device, the lifting device comprises a lifting frame, a chain wheel, a fixed block and a motor, the lifting frame is fixedly arranged on the ground, a connecting shaft is arranged on the upper part of the lifting frame, and is rotatably connected with the chain wheel, the lower part of the lifting frame is provided with a motor, the motor is wound with a chain, the top of the upper furnace body is provided with a fixed block, the chain is meshed with the chain wheel and is connected with the fixed block, and the motor is provided with a switch and is electrically connected with an external power supply.

Go up the furnace body and all be equipped with thermal-insulated heat preservation with lower furnace body structure the same and inside, thermal-insulated heat preservation lays on the inner wall of last furnace body and lower furnace body, goes up the thermal-insulated heat preservation at furnace body top and is equipped with an at least elema inside the thermal-insulated heat preservation of furnace body bottom down, elema and external power source electric connection.

The end face of the furnace cavity is provided with a connector, a sealing gasket is arranged at the joint of the connector and the furnace door and is bonded with the furnace cavity, the furnace cavity and the furnace door are in sealing connection through a clamp, and the connector is provided with a cooling device.

The electronic component box is internally provided with a nitrogen flowmeter and a hydrogen flowmeter, the air inlet end of the nitrogen flowmeter is connected with a nitrogen source through a copper pipe, the air inlet end of the hydrogen flowmeter is connected with the hydrogen source through the copper pipe, and the air outlet end of the nitrogen flowmeter is connected with the air outlet end of the hydrogen flowmeter in parallel and is connected with an air inlet pipe through the same connecting pipe.

The furnace door is provided with an exhaust hole, an air inlet pipe and a thermocouple, the furnace door is provided with the exhaust hole, the exhaust hole is communicated with the inside of the furnace door, a sealing bolt is arranged in the hole, the air inlet pipe is of a T-shaped structure, the bottom end of the air inlet pipe is connected with a connecting pipe on an electronic component box, the left end of the air inlet pipe penetrates through the furnace door to be connected with the inside of the hearth, the upper half section of the air inlet pipe in the vertical direction is provided with a valve, and the top end of the air inlet pipe is provided with an electronic igniter.

The cooling device is composed of a water inlet, a water outlet and a cooling cavity, the connector is of a ring-shaped structure, the cooling cavity is arranged inside the connector, the connector is provided with the water inlet and the water outlet, and the water inlet and the water outlet are communicated with the cooling cavity.

And a dew point detector is arranged at the air inlet end of the hydrogen flowmeter.

The hearth and the furnace door are provided with at least one threaded hole which has the same structure and corresponds to each other, a bolt is assembled in the threaded hole, and the hearth and the furnace door are connected in a sealing manner through the bolt.

Since the technical scheme is used, the utility model discloses following beneficial effect has:

the utility model discloses a nitrogen gas-hydrogen protection heat treatment furnace with synchronous processing function includes furnace body, furnace gate, lifting device and electronic component case, set up the furnace body as upper furnace body and lower furnace body through the setting and heat furnace, heat treatment in step to metal material through setting up a plurality of furnace in the furnace body, control furnace inside gas and change through setting up intake pipe and valve on the furnace gate, monitor furnace inside temperature through setting up the thermocouple on the furnace gate, open upper furnace body through the lifting device and cool down furnace, cool down furnace through setting up cooling device on furnace; the utility model is simple in operation, safety and stability not only can realize distinguishing different specification metal material's thermal treatment, can also effectually avoid the oxidation and improve the bright degree on metal material surface.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the back structure of the present invention;

FIG. 3 is a schematic view of a lower furnace body cutting structure of the present invention;

FIG. 4 is a schematic view of the structure of the furnace and the cooling device of the present invention;

1. an upper furnace body; 2. a lower furnace body; 3. an electronic component box; 4. lifting the frame; 5. a hearth; 6. a furnace door; 7. a chain; 8. a sprocket; 9. a fixed block; 10. a motor; 11. a clip; 12. a valve; 13. a thermocouple; 14. an air inlet pipe; 15. a connecting pipe; 16. a hinge; 17. a silicon carbide rod; 18. a heat insulation layer; 19. a cooling chamber; 20. a water inlet; 21. a water outlet; 22. a gasket; 23. and (4) exhausting holes.

Detailed Description

The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.

The nitrogen-hydrogen protection heat treatment furnace with the synchronous processing function comprises a furnace body, furnace chambers 5, furnace doors 6, a lifting device and an electronic element box 3, wherein the furnace body is arranged at the top of the electronic element box 3, the electronic element box 3 is provided with a connecting pipe 15, the connecting pipe 15 is communicated with the inside of the electronic element box 3, a heating chamber is arranged inside the furnace body, an inlet of the heating chamber is arranged on any end face of the furnace body, at least one furnace chamber 5 is arranged in the heating chamber, the end part of each furnace chamber 5 is provided with the furnace door 6, the furnace body is composed of an upper furnace body 1 and a lower furnace body 2, the same outer side faces of the upper furnace body 1 and the lower furnace body 2 are provided with hinges 16, the upper furnace body 1 and the lower furnace body 2 are rotatably connected through the hinges 16, the upper furnace body 1 is opened through the lifting device, and the lifting device is composed of a lifting frame 4, a chain 7, a chain wheel 8, a fixing block 9 and a motor 10, lifting frame 4 is fixed to be set up subaerial, and lifting frame 4 upper portion is equipped with the connecting axle, rotates on the connecting axle and is connected with sprocket 8, and the lower part of lifting frame 4 is equipped with motor 10, and the motor 10 is rolled up and is equipped with chain 7, and the top of going up furnace body 1 is equipped with fixed block 9, and chain 7 meshes with sprocket 8 mutually and is connected with fixed block 9, is equipped with switch and motor 10 and external power source electric connection on the motor 10.

Go up

furnace body

1 and 2 the same and inside heat-insulating layer 18 that all are equipped with of furnace body down, heat-insulating layer 18 lays on the inner wall of last furnace body 1 and furnace body 2 down, goes up the heat-insulating layer 18 at 1 top of furnace body and is equipped with an at least elema 17 with the heat-insulating layer 18 inside of furnace body 2 bottom down, elema 17 and external power source electric connection.

The end face of the hearth 5 is provided with a connector, a sealing gasket 22 is arranged at the joint of the connector and the furnace door 6, the sealing gasket 22 is bonded with the hearth 5, the hearth 5 is in sealing connection with the furnace door 6 through a clamp 11, and the connector is provided with a cooling device.

The electronic component box 3 is internally provided with a nitrogen flow meter and a hydrogen flow meter, the air inlet end of the nitrogen flow meter is connected with a nitrogen source through a copper pipe, the air inlet end of the hydrogen flow meter is connected with the hydrogen source through the copper pipe, and the air outlet end of the nitrogen flow meter is connected with the air outlet end of the hydrogen flow meter in parallel and is connected with an air inlet pipe 14 through the same connecting pipe 15.

The furnace door 6 is provided with an exhaust hole 23, an air inlet pipe 14 and a thermocouple 13, the furnace door 6 is provided with the exhaust hole 23, the exhaust hole 23 is communicated with the inside of the furnace door 6, a sealing bolt is assembled in the exhaust hole 23 and the hole, the air inlet pipe 14 is of a T-shaped structure, the bottom end of the air inlet pipe 14 is connected with a connecting pipe 15 on the electronic component box 3, the left end of the air inlet pipe 14 penetrates through the furnace door 6 to be connected with the inside of the furnace 5, the upper half section of the air inlet pipe 14 in the vertical direction is provided with a valve 12, and the top end of the air inlet pipe 14 is provided with an electronic igniter.

The cooling device is composed of a water inlet 20, a water outlet 21 and a cooling cavity 19, the connector is of a ring-shaped structure, the cooling cavity 19 is arranged inside the connector, the water inlet 20 and the water outlet 21 are arranged on the connector, and the water inlet 20 and the water outlet 21 are both communicated with the cooling cavity 19.

The hearth 5 and the furnace door 6 are provided with at least one threaded hole with the same structure and corresponding to each other, the threaded holes are internally provided with bolts, and the hearth 5 and the furnace door 6 are connected in a sealing mode through the bolts.

In the embodiment 1, when the nitrogen-hydrogen protection heat treatment furnace with the synchronous processing function is used, a metal material to be processed is placed inside a hearth 5, the furnace door 6 is closed, the furnace door 6 is sealed through a clamp 11, a valve 12 is closed, nitrogen is filled into the hearth 5 under the control of an electronic component box 3, air is exhausted from an exhaust hole 23, hydrogen is discharged into the hearth 5 and then is blocked by a sealing bolt, the silicon carbide rod 17 is electrified and heated, the valve 12 is opened after the treatment is finished, the hydrogen is discharged from the hearth 5, an electronic igniter at the top end of an air inlet pipe 14 is started to burn the hydrogen to avoid the direct discharge of the hydrogen in the air, after the hydrogen is burnt, an upper furnace body 1 is opened under the control of a motor 10 to cool the hearth 5 in a large environment, cooling water is injected into a cooling cavity 19 from a water inlet 20 and is discharged from a water outlet 21 to cool the hearth 5, after cooling, the door 6 is opened and the processed metal material is taken out to complete the operation.

The invention is not described in detail in the prior art, and although the invention has been specifically shown and described in connection with the preferred embodiments, the method and the way of implementing the technical solution are numerous, and only the preferred embodiments of the invention have been described above, it should be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims, which are within the scope of the invention.

Claims

1. The utility model provides a nitrogen gas-hydrogen protection heat treatment furnace with synchronous processing function, includes furnace body, furnace (5), furnace gate (6), lifting device and electronic component case (3), characterized by: the furnace body is arranged at the top of the electronic component box (3), a connecting pipe (15) is arranged on the electronic component box (3), the connecting pipe (15) is communicated with the inside of the electronic component box (3), a heating cabin is arranged inside the furnace body, an inlet of the heating cabin is arranged on any end face of the furnace body, at least one hearth (5) is arranged in the heating cabin, the end part of each hearth (5) is provided with a furnace door (6), the furnace body is composed of an upper furnace body (1) and a lower furnace body (2), the same outer side faces of the upper furnace body (1) and the lower furnace body (2) are provided with hinges (16), the upper furnace body (1) and the lower furnace body (2) are rotatably connected through the hinges (16), the upper furnace body (1) is opened through a lifting device, the lifting device is composed of a lifting frame (4), a chain (7), a chain wheel (8), a fixing block (9) and a motor (10), the lifting frame (4) is fixedly arranged on the ground, the upper portion of the lifting frame (4) is provided with a connecting shaft, a chain wheel (8) is rotatably connected to the connecting shaft, a motor (10) is arranged on the lower portion of the lifting frame (4), a chain (7) is arranged on the motor (10) in an upward rolling mode, a fixing block (9) is arranged at the top of the upper furnace body (1), the chain (7) is meshed with the chain wheel (8) and is connected with the fixing block (9), and a switch, the motor (10) and an external power supply are electrically connected to the motor (10).

2. The nitrogen-hydrogen protected heat treatment furnace with simultaneous processing function as claimed in claim 1, wherein: go up furnace body (1) and furnace body (2) structure the same and inside all is equipped with thermal-insulated heat preservation (18) down, lay on the inner wall of last furnace body (1) and furnace body (2) down thermal-insulated heat preservation (18), go up thermal-insulated heat preservation (18) at furnace body (1) top and the thermal-insulated heat preservation (18) of furnace body (2) bottom inside be equipped with at least one elema (17), elema (17) and external power source electric connection.

3. The nitrogen-hydrogen protective heat treatment furnace with the synchronous processing function as claimed in claim 1, wherein: the terminal surface of furnace (5) is equipped with the connector, and the connector is equipped with sealed pad (22) with furnace gate (6) junction, and sealed pad (22) bond mutually with furnace (5), and furnace (5) carry out sealing connection through clip (11) with furnace gate (6), be equipped with cooling device on the connector.

4. The nitrogen-hydrogen protective heat treatment furnace with the synchronous processing function as claimed in claim 1, wherein: be equipped with nitrogen gas flowmeter and hydrogen flowmeter in electronic component case (3), the inlet end of nitrogen gas flowmeter is connected with the nitrogen gas source through the copper pipe, and the inlet end of hydrogen flowmeter is connected with the hydrogen gas source through the copper pipe, and the end of giving vent to anger of nitrogen gas flowmeter is parallelly connected with the end of giving vent to anger of hydrogen flowmeter and is connected with intake pipe (14) through same connecting pipe (15).

5. The nitrogen-hydrogen protective heat treatment furnace with the synchronous processing function as claimed in claim 3, wherein: be equipped with exhaust hole (23), intake pipe (14) and thermocouple (13) on furnace gate (6), be equipped with exhaust hole (23) on furnace gate (6), exhaust hole (23) communicate with each other and downthehole the rigging is equipped with sealing bolt with furnace gate (6) inside, intake pipe (14) are "T" style of calligraphy structure, and the bottom of intake pipe (14) is connected with connecting pipe (15) on electronic component case (3), and the left end of intake pipe (14) passes furnace gate (6) and is connected with furnace (5) inside, is equipped with valve (12) on the first section of intake pipe (14) vertical direction, and the top of intake pipe (14) is equipped with electronic igniter.

6. The nitrogen-hydrogen protected heat treatment furnace with simultaneous processing function as claimed in claim 1, wherein: the cooling device comprises a water inlet (20), a water outlet (21) and a cooling cavity (19), the connector is of an annular structure, the cooling cavity (19) is arranged inside the connector, the connector is provided with the water inlet (20) and the water outlet (21), and the water inlet (20) and the water outlet (21) are communicated with the cooling cavity (19).

7. The nitrogen-hydrogen protective heat treatment furnace with synchronous processing function as claimed in claim 4, wherein: and a dew point detector is arranged at the air inlet end of the hydrogen flowmeter.

8. The nitrogen-hydrogen protective heat treatment furnace with the synchronous processing function as claimed in claim 1, wherein: the hearth (5) and the furnace door (6) are provided with at least one threaded hole which has the same structure and corresponds to each other, a bolt is assembled in the threaded hole, and the hearth (5) and the furnace door (6) are connected in a sealing manner through the bolt.