CN204612451U - A kind of vacuum drying oven for high-performance samarium-cobalt permanent-magnetic material sintering - Google Patents
A kind of vacuum drying oven for high-performance samarium-cobalt permanent-magnetic material sintering Download PDFInfo
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- CN204612451U CN204612451U CN201520204992.XU CN201520204992U CN204612451U CN 204612451 U CN204612451 U CN 204612451U CN 201520204992 U CN201520204992 U CN 201520204992U CN 204612451 U CN204612451 U CN 204612451U
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Abstract
The utility model discloses a kind of vacuum drying oven for high-performance samarium-cobalt permanent-magnetic material sintering, relate to vacuum drying oven technical field.The utility model comprises furnace shell, heating clamber, air-cooled heat-exchange system, vacuum system, water-cooling system, air-charging and air-discharging system, electric control system and heating power supply.Before the heating clamber of this vacuum drying oven adopts, in upper, under, rear subregion temperature control method, heater is plate graphitic heater, ensure that higher temperature homogeneity.The front screen of heating clamber can move integrally, rear screen is provided with mobile air door, and before closing during heating, screen and mobile air door, ensure also can reach higher temperature homogeneity under protective atmosphere.
Description
Technical field
The utility model belongs to vacuum drying oven technical field, also can ensure the electric resistor heating type vacuum drying oven of higher uniform temperature requirement under particularly relating to a kind of protective atmosphere.
Background technology
At present, along with the requirement of domestic high-performance samarium-cobalt permanent-magnetic material sintering process is more and more stricter, require more and more higher for the temperature homogeneity in stove under being filled with specific protective atmosphere after evacuation.And the graphite tube heater of the many employings of domestic existing graphite resistance heated type vacuum drying oven, computer heating control subregion simple (single district temperature control, or before, during and after partition heating etc.), cannot meet and ensure higher temperature homogeneity requirement under protective atmosphere.
Summary of the invention
Technical problem to be solved in the utility model is, overcomes the defect that prior art exists, provide a kind of can realize a kind of protective atmosphere under also can ensure the electric resistor heating type vacuum drying oven equipment of higher uniform temperature requirement.
The technical solution adopted in the utility model is a kind of vacuum drying oven for high-performance samarium-cobalt permanent-magnetic material sintering, comprises furnace shell, heating clamber, air-cooled heat-exchange system, vacuum system, water-cooling system, air-charging and air-discharging system, electric control system and heating power supply.Described heating clamber, in furnace shell, comprises Zhong Shang district heater, introduces electrode assemblie, middle inferior segment heater, proparea heater, back zone heater, front screen, rear screen, heat-insulation layer.
Before described heating clamber adopts, in upper, under, rear subregion temperature control method, the temperature be more conducive under protective atmosphere controls.
Described Zhong Shang district heater, middle inferior segment heater, proparea heater, back zone heater are plate graphitic heater, increase the available heat swept area of heater, thus easily reach higher temperature homogeneity.
Described front screen can move integrally, rear screen is provided with mobile air door; front screen and rear screen mobile air door is closed during heating; add the air-tightness of heating clamber; decrease the heat losses caused by convection current of heating chamber gas and heating clamber extraneous gas, ensure that the temperature homogeneity under protective atmosphere.
The utility model compared with prior art beneficial effect is: before heating clamber adopts, in upper, under, rear subregion temperature control method, heater is plate graphitic heater, ensure that higher temperature homogeneity; The front screen of heating clamber can move integrally, rear screen is provided with mobile air door, closes front screen and rear screen mobile air door during heating, ensures also can reach higher temperature homogeneity under protective atmosphere.
Accompanying drawing explanation
Fig. 1 is structural representation top view of the present utility model;
Fig. 2 is the front view of furnace shell and heating clamber in the utility model;
Fig. 3 is the left view of furnace shell and heating clamber in the utility model.
In figure: 1, furnace shell, 2, heating clamber, 3, air-cooled heat-exchange system, 4, vacuum system, 5, water-cooling system, 6, air-charging and air-discharging system, 8, electric control system, 9, heating power supply, 10, Zhong Shang district heater, 11, electrode assemblie is introduced, 12, middle inferior segment heater, 13, proparea heater, 14, back zone heater, 15, front screen, 16, mobile air door, 17, heat-insulation layer, 7, rear screen.
Detailed description of the invention
Further combined with accompanying drawing, the utility model is described in further detail below;
The utility model is a kind of single chamber resistance heated vacuum drying oven, comprises furnace shell 1, heating clamber 2, air-cooled heat-exchange system 3, vacuum system 4, water-cooling system 5, air-charging and air-discharging system 6, electric control system 8, heating power supply 9.
It is inner that described heating clamber 2 and air-cooled heat-exchange system 3 are contained in furnace shell 1; Vacuum system 4 is connected to furnace shell 1 side, for vacuum chamber is used; Water-cooling system 5 is placed in after furnace shell 1, for vacuum drying oven each several part provides cooling cooling water; Air-charging and air-discharging system 6 is connected to furnace shell 1 sidepiece; Vacuum system 4 is connected with furnace shell 1 by pipeline; Electric control system 8 and heating power supply 9 are placed in furnace shell 1 side.
Heating clamber 2 comprises Zhong Shang district heater 10, introduces electrode assemblie 11, middle inferior segment heater 12, proparea heater 13, back zone heater 14, front screen 15, rear screen 7, heating clamber heat-insulation layer 17, carries out intensification heat workpiece.
Described Zhong Shang district heater 10, middle inferior segment heater 12, proparea heater 13, back zone heater 14 are plate graphitic heater.
Described front screen 15 can move integrally, rear screen 7 is provided with mobile air door 16, screen 15 and mobile air door 16 before closing during heating.
The course of work of the present utility model: water-cooling system 5 provides cooling water for vacuum drying oven each several part; Front screen 15 and mobile air door 16 keep closed condition; Vacuum system 4 pairs of vacuum drying ovens vacuumize, and reaching can after heated pressure, and heating starts; Heating clamber 2 Nei Zhongshang district heater 10, middle inferior segment heater 12, proparea heater 13 and back zone heater 14 are simultaneously to workpiece heat.Because warm area divides in order to 4th district, being proparea, Zhong Shang district, middle inferior segment, back zone respectively, being easier to ensure higher temperature homogeneity requirement, the insulation of 1000 DEG C, empty stove, temperature homogeneity can reach ± and 1 DEG C.Also in heating process, protective gas (N can be filled with in heating clamber 2
2or Ar gas), respectively when furnace pressure reaches 30000Pa, 50000 Pa, 80000 Pa, the insulation of 10000 DEG C, empty stove, uses 9 thermocouple measurements, and in-furnace temperature uniformity still can reach ± and 1 DEG C.
After completing heat treatment of workpieces technique, close heating; Cooling gas (N is filled with by air-charging and air-discharging system 6 in stove
2or Ar gas), before opening, screen 15 and mobile air door 16, open air-cooled heat-exchange system 3, carry out air blast cooling, accelerates work-piece cools speed, enhance productivity.After in-furnace temperature reaches tapping temperature, close air-cooled heat-exchange system 3, in stove, discharge air by air-charging and air-discharging system 6, after making the inside and outside pressure balance of stove, carry out draw operation.
Claims (4)
1., for a vacuum drying oven for high-performance samarium-cobalt permanent-magnetic material sintering, comprise furnace shell, heating clamber, air-cooled heat-exchange system, vacuum system, water-cooling system, air-charging and air-discharging system, electric control system, heating power supply, is characterized in that, described heating clamber, in furnace shell, comprises Zhong Shang district heater, introduces electrode assemblie, middle inferior segment heater, proparea heater, back zone heater, front screen, rear screen, heat-insulation layer.
2. a kind of vacuum drying oven for high-performance samarium-cobalt permanent-magnetic material sintering according to claim 1, is characterized in that: before described heating clamber adopts, in upper, under, rear subregion temperature control method.
3. a kind of vacuum drying oven for high-performance samarium-cobalt permanent-magnetic material sintering according to claim 1, is characterized in that: described Zhong Shang district heater, middle inferior segment heater, proparea heater, back zone heater are plate graphitic heater.
4. a kind of vacuum drying oven for high-performance samarium-cobalt permanent-magnetic material sintering according to claim 1, it is characterized in that: described front screen can move integrally, described rear screen is provided with mobile air door, closes the mobile air door of front screen and rear screen during heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520204992.XU CN204612451U (en) | 2015-04-08 | 2015-04-08 | A kind of vacuum drying oven for high-performance samarium-cobalt permanent-magnetic material sintering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520204992.XU CN204612451U (en) | 2015-04-08 | 2015-04-08 | A kind of vacuum drying oven for high-performance samarium-cobalt permanent-magnetic material sintering |
Publications (1)
| Publication Number | Publication Date |
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| CN204612451U true CN204612451U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520204992.XU Expired - Fee Related CN204612451U (en) | 2015-04-08 | 2015-04-08 | A kind of vacuum drying oven for high-performance samarium-cobalt permanent-magnetic material sintering |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371650A (en) * | 2015-12-17 | 2016-03-02 | 吉首大学 | Vacuum furnace for continuous production |
| CN108120271A (en) * | 2017-12-30 | 2018-06-05 | 宁波宁港永磁材料有限公司 | A kind of sintered samarium cobalt sintering magnetic materials stove electrode connecting structure, sintering furnace |
| CN108253780A (en) * | 2018-04-02 | 2018-07-06 | 宁波恒普真空技术有限公司 | A kind of vacuum sintering furnace for realizing four controlling temperature with region |
| CN110173977A (en) * | 2019-06-27 | 2019-08-27 | 沈阳真空技术研究所有限公司 | A kind of high-purity metal chromium vacuum outgas sintering furnace |
| CN114322566A (en) * | 2022-01-03 | 2022-04-12 | 昇力恒(宁夏)真空科技股份公司 | High-temperature vacuum graphite sintering furnace |
-
2015
- 2015-04-08 CN CN201520204992.XU patent/CN204612451U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371650A (en) * | 2015-12-17 | 2016-03-02 | 吉首大学 | Vacuum furnace for continuous production |
| CN108120271A (en) * | 2017-12-30 | 2018-06-05 | 宁波宁港永磁材料有限公司 | A kind of sintered samarium cobalt sintering magnetic materials stove electrode connecting structure, sintering furnace |
| CN108253780A (en) * | 2018-04-02 | 2018-07-06 | 宁波恒普真空技术有限公司 | A kind of vacuum sintering furnace for realizing four controlling temperature with region |
| CN108253780B (en) * | 2018-04-02 | 2023-12-15 | 宁波恒普技术股份有限公司 | Realize vacuum sintering stove of four regional accuse temperatures |
| CN110173977A (en) * | 2019-06-27 | 2019-08-27 | 沈阳真空技术研究所有限公司 | A kind of high-purity metal chromium vacuum outgas sintering furnace |
| CN114322566A (en) * | 2022-01-03 | 2022-04-12 | 昇力恒(宁夏)真空科技股份公司 | High-temperature vacuum graphite sintering furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20170408 |