CN109458840A - A kind of AIN powder special-purpose high temperature whirl-sintering furnace - Google Patents
A kind of AIN powder special-purpose high temperature whirl-sintering furnace Download PDFInfo
- Publication number
- CN109458840A CN109458840A CN201811608326.7A CN201811608326A CN109458840A CN 109458840 A CN109458840 A CN 109458840A CN 201811608326 A CN201811608326 A CN 201811608326A CN 109458840 A CN109458840 A CN 109458840A
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- crucible
- air inlet
- transmission shaft
- rotation
- high temperature
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- 238000005245 sintering Methods 0.000 title claims abstract description 24
- 239000000843 powder Substances 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 15
- 239000010439 graphite Substances 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims description 21
- 239000007770 graphite material Substances 0.000 claims description 3
- 229910052571 earthenware Inorganic materials 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 8
- 238000005457 optimization Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- F27B14/04—Crucible or pot furnaces adapted for treating the charge in vacuum or special atmosphere
-
- 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
- F27B14/10—Crucibles
-
- 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
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/04—Crucible or pot furnaces adapted for treating the charge in vacuum or special atmosphere
- F27B2014/045—Vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses a kind of AIN powder special-purpose high temperature whirl-sintering furnaces, furnace body is arranged on grate, rotation crucible is set in furnace body, crucible cover is equipped with gas vent, it rotates the crucible other side and is equipped with air inlet, and it is connected with transmission mechanism, stepper motor drives transmission shaft rotation, transmission shaft is equipped with axial socket close to rotation crucible side, it rotates crucible and is equipped with joining of graphite axis, the first air inlet pipe is equipped in the joining of graphite axis, transmission shaft is connected with joining of graphite axis, first air inlet pipe inserts in axial socket, the first radial through-hole and the second radial through-hole to match is respectively equipped on transmission shaft and the first air inlet pipe, the gas outlet of second air inlet pipe is located at the first radial through-hole side, furnace body is connected to vacuum mechanism, and it is connect with electric-control system, the present invention drives rotation crucible to carry out high temperature sintering under rotation condition by transmission mechanism , it is sintered high-efficient；Transmission mechanism is directly connected with rotation crucible, avoids the loss of kinetic energy caused by being driven by roller bearing.
Description
Technical field
The present invention relates to high temperature sintering furnace technical field more particularly to a kind of AIN powder special-purpose high temperature whirl-sintering furnaces.
Background technique
Dusty material sintering furnace is a kind of common vacuum heat treatment equipment, by universal in dusty material sintering process
It uses, dusty material is sintered in order to make the transition to material structure, crystal grain under high temperature and atmosphere protective condition, and
Form ultra tiny dusty material.
In the prior art, pyrographite furnace is only made as a kind of general dusty material agglomerating plant, common calandria
It for the side of dusty material, causes dusty material local heating uniformity poor, it is uneven to have the defects that heating, and work as powder
At the end of material is sintered, the natural cooling under high-temperature, speed is slower, and cooling uniformity is poor, affects working efficiency；In furnace
It can not be stirred in sintering process, it can not be sufficiently mixed with protective atmosphere.
Summary of the invention
The purpose of the present invention is to provide a kind of AIN powder special-purpose high temperature whirl-sintering furnaces, are driven and are rotated by transmission mechanism
Crucible carries out high temperature sintering under rotation condition, and heating uniformity is good under stiring for dusty material, is sintered high-efficient；Transmission mechanism
Directly it is connected with rotation crucible, improves kinetic energy transmission efficiency, avoids the loss of kinetic energy caused by being driven by roller bearing.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of AIN powder special-purpose high temperature whirl-sintering furnace, packet
Grate, furnace body, rotation crucible, transmission mechanism, vacuum mechanism, air-channel system and electric-control system, the furnace body is included to be arranged in grate
On, which is horizontal barrel-like structure, and one side has fire door, and the rotation crucible is rotatably set in furnace body, the rotation
Turn crucible with barrel-like structure, is equipped with crucible cover close to the side of fire door, the crucible cover is equipped with gas vent, the rotation
It is equipped with air inlet positioned at the opposite side of crucible cover on crucible, which is connected with transmission mechanism, and the transmission mechanism includes
Stepper motor, retarder, driving chain and transmission shaft, the stepper motor are arranged on grate, and output end is equipped with retarder,
The retarder drives transmission shaft by driving chain, and the transmission shaft is equipped with axial socket, institute close to the side of rotation crucible
State rotation crucible and be equipped with joining of graphite axis close to the side of transmission shaft, be equipped in the joining of graphite axis axially penetrate through its ontology and with
The first air inlet pipe that air inlet is connected, the transmission shaft are connected with joining of graphite axis, and first air inlet pipe is inserted into axial direction
In slot, the first radial through-hole and the second radial through-hole to match, institute are respectively equipped on the transmission shaft and the first air inlet pipe
The gas outlet for stating the second air inlet pipe on air-channel system is located at the side of the first radial through-hole for supplying gas into the first radial through-hole,
The furnace body is connected to vacuum mechanism, and is connect with the control cabinet of electric-control system and power distribution cabinet electric signal.
As further optimization, the furnace body includes furnace shell, fire door, heat screen and heater, the heat screen setting
Between furnace shell and rotation crucible, the heater cartridge is fitted over inside heat screen, and is electrically connected with electrode.
As further optimization, the heat screen, heater, rotation crucible are high purity graphite material, the heat screen
Rectangular parallelepiped structure is assembled into using the hard felt of graphite.
As further optimization, the furnace shell has double-walled water-cooling structure, which, which is equipped with, vacuumizes interface, exhaust
Interface, thermocouple and observation window.
As further optimization, support base is equipped in the furnace body, support base upper end two sides are equipped with roller bearing, described
Rotation crucible is rotatably arranged on roller bearing.
As further optimization, the transmission mechanism and furnace body are equipped with a pair of bearings, and the transmission shaft is rotatable
It is set in a pair of bearings, first radial through-hole is between a pair of bearings.
As further optimization, the outside on the transmission shaft between a pair of bearings is equipped with cooling jacket, described
Second air inlet pipe protrudes into cooling jacket and extends to the first radial through-hole side.
As further optimization, the outside that cooling jacket is located on the transmission shaft is equipped with bellow seal pipe.
Compared with prior art, the present invention has the following beneficial effects:
1. driving rotation crucible to carry out high temperature sintering under rotation condition by transmission mechanism, and pass through the rotation pair of crucible
Powder body material in crucible is stirred mixing, and heating uniformity is good under stiring for dusty material, and stirring cooling velocity is fast, cooling
Uniformity is good, is sintered high-efficient；
2. transmission mechanism is directly connected with rotation crucible, kinetic energy transmission efficiency is improved, avoids and is made by roller bearing transmission
At kinetic energy be lost.
Detailed description of the invention
Fig. 1 is front view schematic diagram of the invention.
Fig. 2 is side view schematic diagram of the invention.
Fig. 3 is the enlarged drawing in Fig. 2 at A.
In figure, 1. grates；2. furnace body；3. rotating crucible；4. transmission mechanism；5. vacuum mechanism；21. furnace shell；22. fire door；
23. heat screen；24. heater；25. support base；26. roller bearing；31. crucible cover；32. gas vent；33. air inlet；34. graphite connects
Spindle；35. the first air inlet pipe；36. the second radial through-hole；41. stepper motor；42. retarder；43. driving chain；44. transmission
Axis；45. bearing；46. cooling jacket；47. bellow seal pipe；61. control cabinet；62. power distribution cabinet；71. the second air inlet pipe.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1 to Figure 3, a kind of AIN powder special-purpose high temperature whirl-sintering furnace, including grate 1, furnace body 2, rotation crucible 3,
Transmission mechanism 4, vacuum mechanism 5, air-channel system and electric-control system, furnace body 2 are arranged on grate 1, which is horizontal tubbiness knot
Structure, one side have fire door 22, and rotation crucible 3 is rotatably set in furnace body 1, which has barrel-like structure,
It is equipped with crucible cover 31 close to the side of fire door 22, crucible cover 31 is equipped with gas vent 32, rotates and is located at crucible cover 31 on crucible 3
Opposite side is equipped with air inlet 33, which is connected with transmission mechanism 4, and transmission mechanism 4 includes stepper motor 41, retarder
42, driving chain 43 and transmission shaft 44, stepper motor 41 are arranged on grate 1, and output end is equipped with retarder 42, retarder 42
Transmission shaft 44 is driven by driving chain 43, transmission shaft 44 is equipped with axial socket close to the side of rotation crucible 3, rotates crucible 3
It is equipped with joining of graphite axis 34 close to the side of transmission shaft 44, is equipped in the joining of graphite axis 34 and axially penetrates through its ontology and and air inlet
The first air inlet pipe 35 that hole 33 is connected, transmission shaft 44 are connected with joining of graphite axis 34, and the first air inlet pipe 35 is inserted inserts into axial
In slot, the first radial through-hole to match and the second radial through-hole 36, gas are respectively equipped in transmission shaft 44 and the first air inlet pipe 35
The side that the gas outlet of the second air inlet pipe 71 is located at the first radial through-hole in the system of road is used to supply gas into the first radial through-hole, furnace
Body 1 is connected to vacuum mechanism 5, and is connect with the control cabinet of electric-control system 61 and 62 electric signal of power distribution cabinet.
Furnace body 2 includes furnace shell 21, fire door 22, heat screen 23 and heater 24, and heat screen 23 is set to furnace shell 21 and rotation
Between crucible 3, heater 24 is assemblied in inside heat screen 23, and is electrically connected with electrode.
Heat screen 23, heater 24, rotation crucible 3 are high purity graphite material, and heat screen 23 is assembled into using the hard felt of graphite
Rectangular parallelepiped structure, heater point or so two panels heater.
Furnace shell 21 has double-walled water-cooling structure, and inside and outside wall and flange are stainless steel, band cooling trough in flange, in furnace shell
Surface polishing, the furnace shell 21 are equipped with and vacuumize interface, exhaust port, thermocouple and observation window.
Support base 25 is equipped in furnace body 2,25 upper end two sides of support base are equipped with roller bearing 26, rotate the rotatable setting of crucible 3
In on roller bearing 26.
Transmission mechanism 4 and furnace body 2 are equipped with a pair of bearings 45, and transmission shaft 44 is rotatably set in a pair of bearings 45,
First radial through-hole is between a pair of bearings 45.
Outside on transmission shaft 44 between a pair of bearings 45 is equipped with cooling jacket 46, and the second air inlet pipe 71 protrudes into cooling
In collet 46 and extend to the first radial through-hole side.
Bellow seal pipe 47 is equipped with positioned at the outside of cooling jacket 46 on transmission shaft 44.
Vacuum mechanism 5 includes the cap of high-vacuum baffle valve such as 2X-70 mechanical pump, GDQ-80, GDQ-25, GD-16, solenoid valve, ash
Dirt collection device and it is slow take out loop sets, first run when being vacuumized in furnace it is slow draw back distance and can effectively reduce raw material powder in furnace generate ash
Dirt, and have device for filtering and collecting, prevent pollution main line and mechanical pump；Air-channel system is by oil sprayer, oil water separator, pressure
Table, solenoid valve, pipeline and wait composition；Exhaust is filled by electric gas-filled valve, pressure sensor, flowmeter, reset valve, pressure gauge, electricity
The compositions such as dynamic control valve, pipeline are, it can be achieved that automatic/hand is inflated and exhaust, and furnace pressure can be maintained a certain range of certainly
It is dynamic to adjust；Electric-control system by electric control cabinet, touch screen integrated machine, FP23 temperature controller, pressure regulator, digital display vacuum meter, OMRON,
The composition such as PLC, armouring thermocouple, by armouring W-Re thermocouple thermometric, the control heating of FP23 intelligent temperature control instrument, temperature is controlled by FP23 intelligence
Can temperature controller come complete with PID adjust and self-setting function, can 20 curves of memory, every 20 sections of curve, temperature-controlled precision ±
0.1%F S；Fully automatic operation can be achieved in this system since charging, has program self-locking between vacuum, water, gas and electricity, by journey
Capable of emitting alarm as the case may be when having exception during sort run, and parking, guarantee equipment safety operation.There is hand simultaneously
Dynamic operating function.
Working principle:
Fire door 22 and crucible cover 31 are successively opened, powder is stacked in rotation crucible 3, closing crucible lid 31 and fire door
22, starting vacuum mechanism 5 vacuumizes furnace body 2, starts electric-control system and air-channel system, and transmission mechanism 4 drives rotation crucible 3 to exist
It is rotated on roller bearing 26, air-channel system send gas to the second air inlet pipe 71, is delivered in cooling jacket 46, radial by first
Through-hole and the second radial through-hole 36 enter in the first air inlet pipe 35, and gas enters in rotation crucible 3 along the first air inlet pipe 35, heating
24 pairs of rotation crucibles 3 of device heat, and carry out high temperature sintering to the powder in rotation crucible 3.
It drives rotation crucible 3 to carry out high temperature sintering under rotation condition by transmission mechanism 4, and passes through rotation crucible 3
Rotation is stirred mixing to the powder body material in crucible, and heating uniformity is good under stiring for dusty material, while stirring cooling
Speed is fast, and cooling uniformity is good, is sintered high-efficient；Transmission mechanism 4 is directly connected with rotation crucible 3, improves kinetic energy transmitting effect
Rate avoids kinetic energy caused by being driven by roller bearing 26 and is lost.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (8)
1. a kind of AIN powder special-purpose high temperature whirl-sintering furnace, which is characterized in that including grate (1), furnace body (2), rotation crucible (3),
Transmission mechanism (4), vacuum mechanism (5), air-channel system and electric-control system, the furnace body (2) are arranged on grate (1), the furnace body
It (2) is horizontal barrel-like structure, one side has fire door (22), and the rotation crucible (3) is rotatably set in furnace body (1),
The rotation crucible (3) has barrel-like structure, crucible cover (31) is equipped with close to the side of fire door (22), on the crucible cover (31)
Equipped with gas vent (32), the opposite side that crucible cover (31) are located on rotation crucible (3) is equipped with air inlet (33), the rotation earthenware
Crucible (3) is connected with transmission mechanism (4), and the transmission mechanism (4) includes stepper motor (41), retarder (42), driving chain
(43) it is arranged on grate (1) with transmission shaft (44), the stepper motor (41), output end is equipped with retarder (42), described
Retarder (42) is by driving chain (43) driving transmission shaft (44), and the transmission shaft (44) is close to the side of rotation crucible (3)
Equipped with axial socket, rotation crucible (3) is equipped with joining of graphite axis (34) close to the side of transmission shaft (44), the joining of graphite
The first air inlet pipe (35) for axially penetrating through its ontology and being connected with air inlet (33), the transmission shaft (44) are equipped in axis (34)
It is connected with joining of graphite axis (34), first air inlet pipe (35) inserts in axial socket, the transmission shaft (44) and first
The first radial through-hole to match and the second radial through-hole (36) are respectively equipped in air inlet pipe (35), second on the air-channel system
The side that the gas outlet of air inlet pipe (71) is located at the first radial through-hole is used to supply gas into the first radial through-hole, the furnace body (1)
It is connected to vacuum mechanism (5), and is connect with the control cabinet of electric-control system (61) and power distribution cabinet (62) electric signal.
2. AIN powder special-purpose high temperature whirl-sintering furnace according to claim 1, which is characterized in that the furnace body (2) includes furnace
Shell (21), fire door (22), heat screen (23) and heater (24), the heat screen (23) are set to furnace shell (21) and rotation crucible
(3) between, it is internal that the heater (24) is assemblied in heat screen (23), and is electrically connected with electrode.
3. AIN powder special-purpose high temperature whirl-sintering furnace according to claim 2, which is characterized in that the heat screen (23) adds
Hot device (24), rotation crucible (3) are high purity graphite material, and the heat screen (23) is assembled into cuboid knot using the hard felt of graphite
Structure.
4. AIN powder special-purpose high temperature whirl-sintering furnace according to claim 2, which is characterized in that the furnace shell (21) has
Double-walled water-cooling structure, the furnace shell (21) are equipped with and vacuumize interface, exhaust port, thermocouple and observation window.
5. AIN powder special-purpose high temperature whirl-sintering furnace according to claim 1, which is characterized in that be equipped in the furnace body (2)
Support base (25), support base (25) the upper end two sides are equipped with roller bearing (26), and the rotation crucible (3) is rotatably arranged on rolling
On axis (26).
6. AIN powder special-purpose high temperature whirl-sintering furnace according to claim 1, which is characterized in that the transmission mechanism (4) and
Furnace body (2) is equipped with a pair of bearings (45), and the transmission shaft (44) is rotatably set in a pair of bearings (45), and described first
Radial through-hole is located between a pair of bearings (45).
7. AIN powder special-purpose high temperature whirl-sintering furnace according to claim 6, which is characterized in that on the transmission shaft (44)
Outside between a pair of bearings (45) is equipped with cooling jacket (46), and second air inlet pipe (71) protrudes into cooling jacket (46)
It is interior and extend to the first radial through-hole side.
8. AIN powder special-purpose high temperature whirl-sintering furnace according to claim 7, which is characterized in that on the transmission shaft (44)
Bellow seal pipe (47) are equipped with positioned at the outside of cooling jacket (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811608326.7A CN109458840B (en) | 2018-12-27 | 2018-12-27 | Special high-temperature rotary sintering furnace for AIN powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811608326.7A CN109458840B (en) | 2018-12-27 | 2018-12-27 | Special high-temperature rotary sintering furnace for AIN powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109458840A true CN109458840A (en) | 2019-03-12 |
| CN109458840B CN109458840B (en) | 2024-04-19 |
Family
ID=65614907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811608326.7A Active CN109458840B (en) | 2018-12-27 | 2018-12-27 | Special high-temperature rotary sintering furnace for AIN powder |
Country Status (1)
| Country | Link |
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| CN (1) | CN109458840B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658250A (en) * | 2020-12-04 | 2021-04-16 | 广州达运医疗科技有限公司 | Sintering device for powder metallurgy parts |
| CN115448265A (en) * | 2022-09-15 | 2022-12-09 | 大连海事大学 | Method and equipment for continuously synthesizing high-purity high-sintering-activity AlN powder in batches at high temperature |
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|---|---|---|---|---|
| CN101392987A (en) * | 2008-10-30 | 2009-03-25 | 中国船舶重工集团公司第七二五研究所 | Design and structure for controllable atmosphere rotating furnace for oxidizing albronze alloy powder |
| CN103466668A (en) * | 2013-09-02 | 2013-12-25 | 四川大学 | High-temperature atmosphere revolving furnace and application thereof in preparation of AION (Anterior Ischemic Optic Neuropathy) powder |
| CN103624263A (en) * | 2013-12-10 | 2014-03-12 | 赣州虔东稀土集团股份有限公司 | Hydrogen breaking furnace |
| CN108106426A (en) * | 2018-01-19 | 2018-06-01 | 苏州楚翰真空科技有限公司 | A kind of pyrographite stove crucible |
| CN209639511U (en) * | 2018-12-27 | 2019-11-15 | 苏州楚翰真空科技有限公司 | A kind of AIN powder special-purpose high temperature whirl-sintering furnace |
-
2018
- 2018-12-27 CN CN201811608326.7A patent/CN109458840B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392987A (en) * | 2008-10-30 | 2009-03-25 | 中国船舶重工集团公司第七二五研究所 | Design and structure for controllable atmosphere rotating furnace for oxidizing albronze alloy powder |
| CN103466668A (en) * | 2013-09-02 | 2013-12-25 | 四川大学 | High-temperature atmosphere revolving furnace and application thereof in preparation of AION (Anterior Ischemic Optic Neuropathy) powder |
| CN103624263A (en) * | 2013-12-10 | 2014-03-12 | 赣州虔东稀土集团股份有限公司 | Hydrogen breaking furnace |
| CN108106426A (en) * | 2018-01-19 | 2018-06-01 | 苏州楚翰真空科技有限公司 | A kind of pyrographite stove crucible |
| CN209639511U (en) * | 2018-12-27 | 2019-11-15 | 苏州楚翰真空科技有限公司 | A kind of AIN powder special-purpose high temperature whirl-sintering furnace |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658250A (en) * | 2020-12-04 | 2021-04-16 | 广州达运医疗科技有限公司 | Sintering device for powder metallurgy parts |
| CN115448265A (en) * | 2022-09-15 | 2022-12-09 | 大连海事大学 | Method and equipment for continuously synthesizing high-purity high-sintering-activity AlN powder in batches at high temperature |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109458840B (en) | 2024-04-19 |
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Address after: 215000 Sheet Mill No. 19 Xingtai Road, Taiping Street, Xiangcheng District, Suzhou City, Jiangsu Province (formerly Duer) Applicant after: SUZHOU CHUHAN VACUUM TECHNOLOGY CO.,LTD. Address before: No. 168 Qihe Road, Qihe Village, Weitang Town, Xiangcheng District, Suzhou City, Jiangsu Province Applicant before: SUZHOU CHUHAN VACUUM TECHNOLOGY CO.,LTD. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |