CN117704802A - Air pressure sintering furnace and operation method thereof - Google Patents
Air pressure sintering furnace and operation method thereof Download PDFInfo
- Publication number
- CN117704802A CN117704802A CN202311733680.3A CN202311733680A CN117704802A CN 117704802 A CN117704802 A CN 117704802A CN 202311733680 A CN202311733680 A CN 202311733680A CN 117704802 A CN117704802 A CN 117704802A
- Authority
- CN
- China
- Prior art keywords
- furnace body
- furnace
- vacuum
- pipe
- air pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005245 sintering Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000004321 preservation Methods 0.000 claims description 18
- 238000000605 extraction Methods 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910002804 graphite Inorganic materials 0.000 claims description 10
- 239000010439 graphite Substances 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 6
- 230000010354 integration Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Furnace Details (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention provides a pneumatic sintering furnace, which comprises a pneumatic furnace body and a supporting seat, wherein the supporting seat is fixedly arranged at the bottom of the pneumatic furnace body, a furnace body is arranged in the pneumatic furnace body, a tray for placing a material crucible is arranged in the furnace body, a heating component for heating the crucible is arranged in the pneumatic furnace body, a furnace cover is hinged and sealed at the top of the furnace body, an insulating layer is arranged on the inner side wall of the furnace body, an insulating cover is further arranged between the top of the insulating layer and the furnace cover, a locking component for preventing the furnace cover from being opened during operation is arranged at the top of the furnace body, a vacuum system for extracting vacuum from the furnace body is arranged in the pneumatic furnace body, and a water cooling system for protecting and cooling the furnace body is also arranged in the furnace body. The invention has the advantages of high integration degree and safe operation.
Description
Technical Field
The invention relates to the technical field of industrial material sintering equipment, in particular to a pneumatic sintering furnace and an operation method thereof.
Background
A sintering furnace is an apparatus for heating a powdery raw material to a high temperature and pressing it into a block-like solid. These bulk solids are known as sinter and can be used as raw materials for blast furnace iron smelting.
The prior art, as disclosed in the patent with publication number CN107270714A and named as a sintering furnace, comprises a furnace body, wherein a furnace lining is arranged on the inner surface of the furnace body, a resistance wire is arranged on the furnace lining, a furnace inner cylinder is arranged in the furnace body, and the furnace inner cylinder is surrounded by the resistance wire; the inner cylinder of the furnace consists of a communicating pipe, an inner cylinder cover, a temperature measuring sleeve, an exhaust hole, an inner sleeve, an inner cylinder body and a heating piece, wherein the inner sleeve is arranged in the inner cylinder body, the heating piece is arranged at the center of the inner sleeve, the communicating pipe is communicated between the inner cylinder body and the inner sleeve, and the temperature measuring sleeve and the exhaust hole are welded on the inner cylinder cover of the inner cylinder body.
The sintering furnace can only sinter materials in the same process, is not suitable for small-batch sintering experiments, has potential safety hazards in structural design, and is poor in safety and unfavorable for sintering experiments of different materials because the sintering furnace can generate steam pressure in the heating process if excessive volatile substances or moisture are contained in the materials when the sintering furnace is used for sintering the materials, and the situation that the materials explode can occur at the moment.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a pneumatic sintering furnace and an operation method thereof, which are used for solving the technical problems of less processing technology and low safety measures of the existing sintering furnace in the background art.
The technical aim of the invention is realized by the following technical scheme:
the utility model provides an atmospheric pressure fritting furnace, includes atmospheric pressure stove body and supporting seat, supporting seat fixed mounting is in atmospheric pressure stove body bottom, this internal furnace body that is equipped with of atmospheric pressure stove, be equipped with the tray that is used for placing material crucible in the furnace body, this internal heating element that is used for heating the crucible that is equipped with of atmospheric pressure stove, the articulated sealed bell that is equipped with in furnace body top, be equipped with the heat preservation on the inside wall of furnace body, still cover is equipped with the heat preservation lid between heat preservation top and the bell, the furnace body top is equipped with the locking Assembly that is used for preventing the bell from opening during operation, this internal vacuum system that is used for extracting vacuum in the furnace body that is equipped with of atmospheric pressure stove is equipped with still being equipped with in the furnace body and is used for protecting the water cooling system of cooling to the furnace body.
An operation method of a gas pressure sintering furnace,
s1: firstly, vacuum extraction is carried out in a furnace body through an operation vacuum system, so that a furnace cover is downwards displaced under the action of air pressure, then the locking of the furnace cover is released through an operation locking assembly, then vacuum breaking treatment is carried out in the furnace body through the vacuum system, the furnace cover and a heat preservation cover are sequentially opened after the normal air pressure in the furnace body is reached, and a crucible with materials is placed on a tray;
s2: after the placement is completed, sequentially covering heat-preserving covers, covering the furnace cover on the furnace body again, then carrying out vacuum extraction on the furnace through a vacuum system, and locking the furnace cover through a locking assembly;
s3: and finally, according to the processing technology of the material, heating the crucible in the furnace body through the heating component under the state that the inside of the furnace body is vacuum and pressure maintaining, and protecting and cooling the furnace body through the water cooling system. The temperature of the outer wall of the furnace body is prevented from being too high to influence other parts in the air pressure furnace body, and the vacuum system and the heating are simultaneously cooled by the water cooling system when needed.
Working principle:
the invention relates to a pneumatic sintering furnace which is mainly used for sintering various materials.
When the vacuum furnace is used, the vacuum extraction is performed in the furnace body through the operation of the vacuum system, the furnace cover is enabled to move downwards under the action of air pressure, then the locking of the furnace cover is released through the operation of the locking component, then the vacuum breaking treatment is performed in the furnace body through the vacuum system, after the normal air pressure is reached in the furnace body, the furnace cover and the heat preservation cover are sequentially opened, a crucible containing materials is placed on a tray, the heat preservation cover is sequentially covered after the placement is completed, the furnace cover is covered on the furnace body again, then the vacuum extraction is performed in the furnace through the vacuum system, the furnace cover is locked through the locking component, finally the crucible in the furnace body is heated through the heating component under the vacuum pressure maintaining state according to the processing technology of the materials, and the furnace body is protected and cooled through the water cooling system. The temperature of the outer wall of the furnace body is prevented from being too high to influence other parts in the air pressure furnace body, and the vacuum system and the heating are simultaneously cooled by the water cooling system when needed.
The beneficial effects are obtained:
first, be equipped with locking component, can effectually lock the bell through locking component to prevent that the bell from being opened or doing the injury to personnel when the during operation, and the security that can very big degree this device through locking component's operation locking.
Secondly, be equipped with vacuum system, can effectually carry out the vacuum extraction to the furnace body inside through vacuum system, reach the operational environment of material sintering to can slow down the lapse of partial heat.
Third, be equipped with heat preservation and heat preservation lid, can effectually pass through heat preservation and heat preservation lid and further slow down the inside heat of furnace body and pass through.
Fourth, be equipped with water cooling system, can effectually prevent that the too high other parts in the atmospheric pressure stove body of furnace body outer wall temperature from influencing to carry out the water-cooling to furnace body, vacuum system and heating simultaneously through water cooling system when needs.
Drawings
FIG. 1 is a schematic cross-sectional view of an overall structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of a back structure of an embodiment of the present invention;
FIG. 3 is a schematic view of the connection structure of the locking assembly to the furnace cover.
In the above figures: 1. an air pressure furnace body; 2. a support base; 3. a furnace body; 4. a crucible; 5. a tray; 6. a furnace cover; 7. a heat preservation layer; 8. a thermal insulation cover; 9. a heating body; 10. a graphite electrode; 11. water-cooled electrodes; 12. a transformer; 13. a lock ring; 14. a rack; 15. a gear; 16. a motor; 17. a locking piece; 18. a protrusion; 19. a locking cylinder; 20. a safety pin; 21. a pin hole; 22. a vacuum machine; 23. a vacuum tube; 24. a vacuum ball valve; 25. a filter; 26. an exhaust pipe; 27. a water inlet pipe; 28. a water outlet pipe; 29. a first shunt; 30. a second shunt tube; 31. a water-cooling cavity; 32. a flow controller; 33. an atmosphere tube; 34. a control panel; 35. a safety valve; 36. a pressure sensor; 37. a temperature control thermocouple; 38. monitoring a thermocouple; 39. a water pressure gauge; 40. a pressure vacuum gauge; 41. a water outlet; 42. and a water inlet.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
Examples:
referring to fig. 1 and 2, the invention relates to an air pressure sintering furnace, which comprises an air pressure furnace body 1 and a supporting seat 2, wherein the supporting seat 2 is fixedly arranged at the bottom of the air pressure furnace body 1, a furnace body 3 is arranged in the air pressure furnace body 1, a tray 5 for placing a material crucible 4 is arranged in the furnace body 3, a heating component for heating the crucible 4 is arranged in the air pressure furnace body 1, the heating component comprises a heating body 9, a graphite electrode 10, a water-cooled electrode 11 and a transformer 12, the heating body 9 is arranged in the furnace body 3, the graphite electrode 10 is arranged at the bottom of the heating body 9, the water-cooled electrode 11 is arranged at the bottom of the graphite electrode 10, the other end of the water-cooled electrode 11 penetrates through the bottom of the furnace body 3 and extends downwards, the transformer 12 is arranged in the air pressure furnace body 1, and the output end of the transformer is electrically connected with the bottom of the water-cooled electrode 11. The graphite electrode 10 is adopted, because the graphite electrode 10 can keep stable performance in a high-temperature environment, is not easy to melt or oxidize, is suitable for a high-temperature processing scene, and the water-cooled electrode 11 can rapidly dissipate heat through the flow of water, so that the temperature of the electrode is reduced, the stability of the electrode is improved, and the service life of the electrode is prolonged. The arrangement can effectively heat the heating body 9 through the transformer 12, the water-cooled electrode 11 electrically connected with the transformer 12 and the graphite electrode 10, and the temperature in the furnace body 3 is increased.
As shown in fig. 1 and 3, the top of the furnace body 3 is hinged and sealed to be provided with a furnace cover 6, an insulating layer 7 is arranged on the inner side wall of the furnace body 3, an insulating cover 8 is further arranged between the top of the insulating layer 7 and the furnace cover 6 in a covering manner, a locking component for preventing the furnace cover 6 from being opened during operation is arranged at the top of the furnace body 3, the locking component comprises a lock ring 13, a rack 14, a gear 15 and a motor 16, the lock ring 13 is rotatably arranged at the top of the furnace body 3, the furnace cover 6 is positioned at the inner side of the lock ring 13 and is coaxial with the lock ring 13, a plurality of lock blocks 17 are arranged on the inner side wall of the lock ring 13, protrusions 18 which are in one-to-one correspondence with the plurality of lock blocks 17 are arranged on the outer side wall of the furnace cover 6, the bottoms of the lock blocks 17 are respectively in sliding butt with the tops of the corresponding protrusions 18, the rack 14 is fixedly arranged on the outer side wall of the lock ring 13, the motor 16 is positioned in the air pressure furnace body 1, the gear 15 is fixedly arranged at the output end of the motor 16, and one side of the gear 15 is meshed with the rack 14. The arrangement can drive the gear 15 at the end part of the motor 16 to rotate through the rotation of the motor 16 during locking, and drive the rack 14 meshed with the gear 15 to drive the lock ring 13 to rotate, and locking can be completed when a plurality of lock blocks 17 on the lock ring 13 are all abutted to a plurality of protrusions 18 of the furnace cover 6, a locking cylinder 19 is arranged in the air pressure furnace body 1, a safety pin 20 is fixedly arranged at the telescopic end of the locking cylinder 19, a pin hole 21 is formed in the lock ring 13, and the other end of the mounting pin slides into the pin hole 21. This arrangement can effectively add a single lock to the lock collar 13 by the lock cylinder 19, further increasing the safety of its operation. It is worth mentioning that still be provided with tooth formula structure of opening door soon on atmospheric pressure stove body 1, through the both sides knob of connection, upwards rotatory side simultaneously can open, and this kind of structure is prior art, mainly can further increase the security of uncapping.
As shown in fig. 1, a vacuum system for extracting vacuum from the furnace body 3 is arranged in the air pressure furnace body 1, the vacuum system comprises a vacuum machine 22, a vacuum pipe 23, a vacuum ball valve 24 and a filter 25, the vacuum machine 22 is arranged in the air pressure furnace body 1, one end of the vacuum pipe 23 is communicated with the extraction end of the vacuum machine 22, the other end of the vacuum pipe 23 is communicated with the inner side of the furnace body 3, the vacuum ball valve 24 is arranged on a section of the vacuum pipe 23 between the vacuum machine 22 and the furnace body 3, the filter 25 is communicated with the exhaust end of the vacuum machine 22, and the other end of the filter 25 is provided with an exhaust pipe 26. The vacuum extraction can be effectively carried out on the inside of the furnace body 3 through the connection of the vacuum machine 22 and the vacuum pipe 23, then the vacuum pressure maintaining is carried out in the furnace body 3 through the vacuum ball valve 24, the filter 25 can effectively filter the gas extracted in the furnace body 3 and discharge the gas through the exhaust pipe 26, and the vacuum pipe 23, the vacuum ball valve 24 and the filter 25 are respectively provided with two sets which are respectively connected with the side wall and the bottom of the furnace body 3, so that the vacuum extraction is further quickened. The side wall of the air pressure furnace body 1 is provided with a flow controller 32, the flow controller 32 is communicated with an atmosphere pipe 33, and the other end of the atmosphere pipe 33 is communicated with a vacuum pipe 23 at one section between the vacuum ball valve 24 and the furnace body 3. The flow controller 32 can effectively control the entering speed of nitrogen or argon, and reduce the great influence on the temperature in the furnace when the atmosphere enters.
As shown in fig. 2, a water cooling system for protecting and cooling the furnace body 3 is further arranged in the furnace body 3. The water cooling system comprises a water inlet pipe 27, a water outlet pipe 28, a plurality of first shunt pipes 29 and a plurality of second shunt pipes 30, a water inlet 42 and a water outlet 41 are formed in the side wall of the air pressure furnace body 1, the water inlet pipe 27 and the water outlet pipe 28 respectively penetrate through the corresponding water inlet 42 and water outlet 41 and extend into the air pressure furnace body 1, the first shunt pipes 29 are communicated with the water inlet pipe 27, the second shunt pipes 30 are communicated with the water outlet pipe 28, and the first shunt pipes 29 and the other ends of the second shunt pipes 30 are respectively communicated with the furnace body 3, the heating assembly and the vacuum system. It is noted that the cooling water is cooled by the water-cooled electrode 11 to cool the heating assembly. The side wall of the furnace body 3 is provided with a water cooling cavity 31, and the water cooling cavity 31 is respectively communicated with the water inlet pipe 27 and the water outlet pipe 28 through a first shunt pipe 29 and a second shunt pipe 30. The arrangement can be effectual through inlet tube 27 inflow, then get into the part that needs the cooling through first shunt tubes 29, flow in from second shunt tubes 30 and outlet pipe 28, effectually cool down equipment parts, set up water-cooling cavity 31 and can prevent that the outer wall of furnace body 3 from high temperature from influencing other parts in the atmospheric pressure stove body 1.
The air pressure furnace body 1 is provided with a control panel 34 for controlling a heating assembly, a vacuum system and a water cooling system, and the back surface of the furnace body 3 is also provided with two pressure sensors 36 and two safety valves 35 for detecting the air pressure inside the furnace body 3 and performing exhaust protection. The furnace body 3 is also provided with a temperature control thermocouple 37 and a monitoring thermocouple 38 for monitoring the temperature in the furnace, and the temperature control thermocouple and the monitoring thermocouple are electrically transmitted to the control panel 34 for display. The air pressure furnace body 1 is also provided with a pressure vacuum gauge 40 and a water pressure gauge 39 for displaying the pressure of the vacuum system and the water cooling system.
An operation method of a gas pressure sintering furnace,
s1: firstly, vacuum extraction is carried out in a furnace body 3 through an operation vacuum system, so that a furnace cover 6 is downwards displaced under the action of air pressure, then the locking of the furnace cover 6 is released through an operation locking component, then vacuum breaking treatment is carried out in the furnace body 3 through the vacuum system, the furnace cover 6 and a heat preservation cover 8 are sequentially opened after the normal air pressure in the furnace body 3 is reached, and a crucible 4 with materials is placed on a tray 5;
s2: after the placement is completed, sequentially covering the heat-preserving covers 8, covering the furnace cover 6 on the furnace body 3 again, then carrying out vacuum extraction on the furnace through a vacuum system, and locking the furnace cover 6 through a locking assembly;
s3: finally, according to the processing technology of the material, the crucible 4 in the furnace body 3 is heated by the heating component under the state of vacuum pressure maintaining in the furnace body 3, and the furnace body 3 is protected and cooled by the water cooling system.
Working principle:
when the vacuum furnace is used, firstly, the vacuum extraction is carried out on the inside of the furnace body 3 through the operation of the vacuum machine 22 and the vacuum tube 23, the furnace cover 6 is enabled to move downwards under the action of air pressure, then the locking cylinder 19 is firstly operated, the locking cylinder 19 drives the safety pin 20 to slide out of the pin hole 21 on the lock ring 13, then the gear 15 at the end part of the motor 16 is driven to rotate through the operation of the motor 16, the rack 14 meshed with the gear 15 is driven to rotate the lock ring 13, when a plurality of lock blocks 17 on the lock ring 13 are disconnected from a plurality of bulges 18 of the furnace cover 6, the locking of the furnace cover 6 can be completed, then the vacuum breaking treatment is carried out on the inside of the furnace body 3 through the vacuum machine 22, after the normal air pressure is reached in the furnace body 3, the furnace cover 6 and the heat preservation cover 8 are sequentially opened, the crucible 4 with materials is placed on the tray 5, the heat preservation cover 8 is sequentially covered after the placement is completed, the furnace cover 6 is re-covered on the furnace body 3, then the vacuum extraction is carried out on the inside of the furnace through the vacuum machine 22, the lock ring 13 is driven through the motor 16 to lock the lock ring 13, and the vacuum extraction is carried out on the inside the furnace body 6, and the vacuum is carried out through the lock ring 19 and the vacuum protection device 20 when the vacuum pump is carried out on the furnace body 16, the vacuum pump is carried out through the vacuum pump 19 and the vacuum pump is carried out on the vacuum pump, the vacuum pump is carried out on the inside the furnace body 3, the material is further, the inside the furnace body 3 through the vacuum protection air, and the vacuum protection air is required to be further controlled, and the vacuum air is cooled through the vacuum pump 3, and the vacuum pump is controlled.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a gas pressure sintering stove, includes gas pressure stove body (1) and supporting seat (2), supporting seat (2) fixed mounting is in gas pressure stove body (1) bottom, its characterized in that: be equipped with furnace body (3) in atmospheric pressure stove body (1), be equipped with tray (5) that are used for placing material crucible (4) in furnace body (3), be equipped with in atmospheric pressure stove body (1) and be used for carrying out the heating element that heats to crucible (4), furnace body (3) top articulated sealed be equipped with bell (6), be equipped with heat preservation (7) on the inside wall of furnace body (3), still be equipped with heat preservation (8) between heat preservation (7) top and bell (6), furnace body (3) top is equipped with the locking Assembly that is used for preventing that bell (6) from opening during operation, be equipped with in atmospheric pressure stove body (1) and be used for extracting vacuum system in furnace body (3), be equipped with still in furnace body (3) and be equipped with the water cooling system that is used for carrying out protection cooling to furnace body (3).
2. A gas pressure sintering furnace according to claim 1, characterized in that: the heating assembly comprises a heating body (9), a graphite electrode (10), a water-cooled electrode (11) and a transformer (12), wherein the heating body (9) is arranged in the furnace body (3), the graphite electrode (10) is arranged at the bottom of the heating body (9), the water-cooled electrode (11) is arranged at the bottom of the graphite electrode (10), the other end of the water-cooled electrode (11) penetrates through the bottom of the furnace body (3) and extends downwards, the transformer (12) is arranged in the air pressure furnace body (1), and the output end of the transformer is electrically connected with the bottom end of the water-cooled electrode (11).
3. A gas pressure sintering furnace according to claim 1, characterized in that: the utility model provides a locking assembly includes lock collar (13), rack (14), gear (15) and motor (16), lock collar (13) rotate and install at furnace body (3) top, bell (6) are located lock collar (13) inboard and coaxial in lock collar (13), be equipped with a plurality of locking pieces (17) on the inside wall of lock collar (13), be equipped with on the lateral wall of bell (6) with a plurality of locking pieces (17) one-to-one protruding (18), a plurality of locking piece (17) bottom respectively with a plurality of protruding (18) top sliding butt that correspond, rack (14) fixed mounting is on the lateral wall of lock collar (13), motor (16) are located atmospheric pressure stove body (1), gear (15) fixed mounting is on the output of motor (16), one side and rack (14) intermeshing of gear (15).
4. A gas pressure sintering furnace according to claim 3, characterized in that: the air pressure furnace is characterized in that a locking air cylinder (19) is arranged in the air pressure furnace body (1), a safety pin (20) is fixedly arranged at the telescopic end of the locking air cylinder (19), a pin hole (21) is formed in the lock ring (13), and the other end of the mounting pin slides into the pin hole (21).
5. A gas pressure sintering furnace according to claim 1, characterized in that: the vacuum system comprises a vacuum machine (22), a vacuum pipe (23), a vacuum ball valve (24) and a filter (25), wherein the vacuum machine (22) is installed in an air pressure furnace body (1), one end of the vacuum pipe (23) is communicated with the extraction end of the vacuum machine (22), the other end of the vacuum pipe (23) is communicated with the inner side of a furnace body (3), the vacuum ball valve (24) is installed on the section of the vacuum pipe (23) between the vacuum machine (22) and the furnace body (3), the filter (25) is communicated with the exhaust end of the vacuum machine (22), and an exhaust pipe (26) is arranged at the other end of the filter (25).
6. A gas pressure sintering furnace according to claim 1, characterized in that: the water cooling system comprises a water inlet pipe (27), a water outlet pipe (28), a plurality of first shunt pipes (29) and a plurality of second shunt pipes (30), wherein a water inlet (42) and a water outlet (41) are formed in the side wall of the air pressure furnace body (1), the water inlet pipe (27) and the water outlet pipe (28) respectively penetrate through the corresponding water inlet (42) and water outlet (41) and stretch into the air pressure furnace body (1), the first shunt pipes (29) are communicated with the water inlet pipe (27), the second shunt pipes (30) are communicated with the water outlet pipe (28), and the first shunt pipes (29) are respectively communicated with the other ends of the second shunt pipes (30) and the furnace body (3), the heating assembly and the vacuum system.
7. A gas pressure sintering furnace according to claim 6, characterized in that: the side wall of the furnace body (3) is provided with a water cooling cavity (31), and the water cooling cavity (31) is respectively communicated with the water inlet pipe (27) and the water outlet pipe (28) through a first shunt pipe (29) and a second shunt pipe (30).
8. A gas pressure sintering furnace according to claim 5, characterized in that: the air pressure furnace is characterized in that a flow controller (32) is arranged on the side wall of the air pressure furnace body (1), an atmosphere pipe (33) is communicated with the flow controller (32), and the other end of the atmosphere pipe (33) is communicated with a vacuum pipe (23) at one section between the vacuum ball valve (24) and the furnace body (3).
9. A gas pressure sintering furnace according to claim 1, characterized in that: the air pressure furnace body (1) is provided with a control panel (34) for controlling the heating component, the vacuum system and the water cooling system.
10. A method of operating a gas pressure sintering furnace according to claim 1, characterized in that:
s1: firstly, vacuum extraction is carried out in a furnace body (3) through an operation vacuum system, so that a furnace cover (6) is downwards displaced under the action of air pressure, then the locking of the furnace cover (6) is released through an operation locking assembly, then vacuum breaking treatment is carried out in the furnace body (3) through the vacuum system, after the normal air pressure in the furnace body (3) is reached, the furnace cover (6) and a heat preservation cover (8) are sequentially opened, and a crucible (4) with materials is placed on a tray (5);
s2: after the placement is completed, sequentially covering heat-preserving covers (8), covering the furnace cover (6) on the furnace body (3) again, then carrying out vacuum extraction on the inside of the furnace through a vacuum system, and locking the furnace cover (6) through a locking assembly;
s3: finally, according to the processing technology of the material, under the state that the inside of the furnace body (3) is vacuum and pressure-maintaining, the crucible (4) in the furnace body (3) is heated by the heating component, and the furnace body (3) is protected and cooled by the water cooling system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311733680.3A CN117704802A (en) | 2023-12-14 | 2023-12-14 | Air pressure sintering furnace and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311733680.3A CN117704802A (en) | 2023-12-14 | 2023-12-14 | Air pressure sintering furnace and operation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117704802A true CN117704802A (en) | 2024-03-15 |
Family
ID=90147547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311733680.3A Pending CN117704802A (en) | 2023-12-14 | 2023-12-14 | Air pressure sintering furnace and operation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117704802A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206160731U (en) * | 2016-09-30 | 2017-05-10 | 北京精仪天和智能装备有限公司 | Vertical fritting furnace |
| CN106676443A (en) * | 2016-12-15 | 2017-05-17 | 贵州安吉航空精密铸造有限责任公司 | Vacuum heat treatment technology for magnesium alloy casting |
| CN107178998A (en) * | 2017-06-06 | 2017-09-19 | 中南大学 | Vacuum atmosphere oven |
| CN212179562U (en) * | 2020-05-07 | 2020-12-18 | 株洲广吉昌科技有限公司 | High-temperature calcining and purifying furnace for solid carbon material |
| CN112648847A (en) * | 2021-01-11 | 2021-04-13 | 锦州同创真空冶金科技有限公司 | Ultra-high temperature vacuum induction smelting furnace |
-
2023
- 2023-12-14 CN CN202311733680.3A patent/CN117704802A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206160731U (en) * | 2016-09-30 | 2017-05-10 | 北京精仪天和智能装备有限公司 | Vertical fritting furnace |
| CN106676443A (en) * | 2016-12-15 | 2017-05-17 | 贵州安吉航空精密铸造有限责任公司 | Vacuum heat treatment technology for magnesium alloy casting |
| CN107178998A (en) * | 2017-06-06 | 2017-09-19 | 中南大学 | Vacuum atmosphere oven |
| CN212179562U (en) * | 2020-05-07 | 2020-12-18 | 株洲广吉昌科技有限公司 | High-temperature calcining and purifying furnace for solid carbon material |
| CN112648847A (en) * | 2021-01-11 | 2021-04-13 | 锦州同创真空冶金科技有限公司 | Ultra-high temperature vacuum induction smelting furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112648847B (en) | Ultrahigh-temperature vacuum induction smelting furnace | |
| CN106319436A (en) | Vacuum carburization furnace and carburization method adopting vacuum carburization furnace | |
| CN111578710A (en) | High-temperature electric heating furnace capable of replacing furnace body and rapidly cooling materials | |
| CN117704802A (en) | Air pressure sintering furnace and operation method thereof | |
| CN212645336U (en) | Metal continuous smelting furnace | |
| CN109502493A (en) | A kind of heat-treatment furnace and its special hanger | |
| CN102425939A (en) | Microwave heating bell kiln | |
| CN109458840B (en) | Special high-temperature rotary sintering furnace for AIN powder | |
| CN209877669U (en) | Industrial flue gas waste heat recovery device | |
| RU2339716C1 (en) | Method and installation for metallothermic method of alkaline-earth metals receiving | |
| CN213984508U (en) | Atmosphere sintering furnace structure | |
| CN210922169U (en) | High-temperature smelting furnace for producing silicon carbide | |
| CN113215362A (en) | Gas protection type refining furnace with waste heat recovery | |
| CN218501301U (en) | Feeding device and vacuum distillation separation device | |
| CN220970756U (en) | Alloy powder dehydrogenation furnace | |
| CN218915884U (en) | Bell jar type lifting atmosphere furnace | |
| CN112556426A (en) | Sintering furnace with gas-phase quenching function and quenching process thereof | |
| CN202543262U (en) | Resin film seal-protected aqueous medium vacuum direct water quenching heat treatment apparatus | |
| CN114413625B (en) | Automatic sealing and opening device and method for furnace cover of smelting furnace for magnesium liquid positive pressure transfer | |
| CN217499349U (en) | Nitrogen-hydrogen protection heat treatment furnace | |
| CN220818544U (en) | Baking oven | |
| CN220767237U (en) | Single crystal furnace system | |
| JPH0522363Y2 (en) | ||
| CN114061307B (en) | Cold crucible antigravity precision casting equipment | |
| CN216385079U (en) | Novel annular flue overhead rotary kiln |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |