CN201772726U - Dedicated high-temperature and high-vacuum sintering furnace for VN alloy production - Google Patents
Dedicated high-temperature and high-vacuum sintering furnace for VN alloy production Download PDFInfo
- Publication number
- CN201772726U CN201772726U CN2010201799023U CN201020179902U CN201772726U CN 201772726 U CN201772726 U CN 201772726U CN 2010201799023 U CN2010201799023 U CN 2010201799023U CN 201020179902 U CN201020179902 U CN 201020179902U CN 201772726 U CN201772726 U CN 201772726U
- Authority
- CN
- China
- Prior art keywords
- sintering furnace
- vacuum sintering
- high temperature
- chamber body
- high vacuum
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Powder Metallurgy (AREA)
Abstract
The utility model discloses a dedicated high-temperature and high-vacuum sintering furnace for VN alloy production, which includes a control room (1) and a high-temperature and high-vacuum sintering furnace heating chamber (2); at least four groups of vacuum forming units are connected in parallel and then are connected with a suction pipe (14) of the high-temperature and high-vacuum sintering furnace heating chamber (2) through pipelines (3); each group of vacuum forming unit comprises a diffusion pump (4), a roots pump (5) and a slide valve pump (6), which are connected in series, wherein the diffusion pump (4) is arranged at one end close to the high-temperature and high-vacuum sintering furnace heating chamber (2); and the control room (1) is electrically connected with the high-temperature and high-vacuum sintering furnace heating chamber (2), the diffusion pump (4), the roots pump (5) and the slide valve pump (6). The utility model provides the dedicated high-temperature and high-vacuum sintering furnace for VN alloy production, which can achieve the required vacuum degree during production process and has long service life and high stability.
Description
Technical field
The utility model relates to a kind of sintering furnace, particularly relates to a kind of VN alloy and produces the special-purpose high temperature high vacuum sintering furnace.
Background technology
VN alloy be a kind of in Aldecor most economical effective additives.VN alloy is the maroon block, its main chemical compositions such as following table.
The main chemical compositions index (%) of VN alloy
The high temperature high vacuum sintering furnace is adopted in the production of VN alloy at present, uses vacuum reduction high pressure nitriding to produce VN alloy, but can not reach needed vacuum in the high temperature high vacuum sintering furnace production process of using at present.
The utility model content
Technical problem to be solved in the utility model provides the VN alloy that can reach needed vacuum in a kind of production process and produces the special-purpose high temperature high vacuum sintering furnace.
In order to solve the problems of the technologies described above, the VN alloy that the utility model provides is produced the special-purpose high temperature high vacuum sintering furnace, comprise control room and high temperature high vacuum sintering furnace heating clamber, at least four groups are connected by the exhaust tube of pipeline with described high temperature high vacuum sintering furnace heating clamber after vacuumizing the unit parallel connection, every group of described unit that vacuumizes is by diffusion pump, Lodz pump and slide valve pump are composed in series and described diffusion pump is in an end that closes on described high temperature high vacuum sintering furnace heating clamber, described control room and described high temperature high vacuum sintering furnace heating clamber, diffusion pump, Lodz pump and slide valve pump are electrically connected.
Described high temperature high vacuum sintering furnace heating clamber is to be provided with chamber body by bearing assembly, guide rail and fixed head in horizontal closed chamber body, described chamber body is provided with high temperature resistant mullite light thermal-insulation cotton, on described chamber body, circumferentially be laid with heater, in described chamber body, be provided with the siege assembly, on described siege assembly, be provided with movably pallet, on described horizontal closed chamber body, be provided with the thermocouple that extends in the described chamber body, on described horizontal closed chamber body, be provided with exhaust tube and double-deck water collar.
Described heater is a high-temperature metal molybdenum band.
Adopting the VN alloy of technique scheme to produce the special-purpose high temperature high vacuum sintering furnace, is that the heating clamber that will seal is evacuated to the vacuum that is suitable for a certain certain material and technology, and this material is handled.The heating of employing molybdenum uses the molybdenum band to heat.The characteristics that it has:
1, the special equipment of production VN alloy is the high temperature high vacuum sintering furnace;
2, the high temperature high vacuum sintering furnace is a horizontal type structure;
3, high temperature high vacuum sintering furnace heating vigour part is a high-temperature metal molybdenum band;
4, high temperature high vacuum sintering furnace heat screen is high temperature resistant mullite light thermal-insulation cotton;
5, the furnace shell of high temperature high vacuum sintering furnace is double-deck water collar version, can cool off;
6, high temperature high vacuum sintering furnace, the maximum heating temperature of stove are 1550, and its uniform temperature zone is 600mm * 600mm * 1400mm;
7, the high temperature high vacuum sintering furnace uses three temperature thermocouple temperature controls, and temperature-controlled precision is ± 5 ℃, and the sintering temperature in the production process is 1450～1500.
8, high temperature high vacuum sintering furnace contains 4 groups (slide valve pumps+Lodz pump+diffusion pump), can reach needed vacuum in the production process;
9, the pressure in the high temperature high vacuum sintering furnace stove is 1atm～1 * 10
-3Pa, production process requires high vacuum all to enter 10
-2The pa district, and with this as reacting completely a little, cooling can have a power failure;
10, high temperature high vacuum sintering furnace, its protective gas are argon gas (Ar), and the blowing pressure is for being no more than-0.02MPa;
11, high temperature high vacuum sintering furnace uses PLC and PC industrial computer to control, and all heats up, has a power failure, opens pump group process and realize the Computer key operation, and is simple, convenient.
12, heated raw materials is in the production process: V
2O
5, V
2O
4, V
2O
3In a kind of or their multiple mixture.
13, carry out sintering by the high temperature high vacuum sintering furnace, owing to temperature height, vacuum height, the density in the vanadium-nitrogen alloy product is increased substantially, the density of product can reach 3.7～4.2g/cm
3, the oxygen content in the product is reduced to below 1.0%, helps the suction nitrogen of next step operation by this time sintering, the nitrogen content of stable control VN alloy.
14, in the high temperature high vacuum sintering furnace 2V takes place
2O
5+ C=2V
2O
4+ CO
2↑; V
2O
5+ 2C=V
2O
4+ 2CO ↑; V
2O
4+ 2C=V
2O
3+ 2CO ↑; V
2O
3+ 5C=2VC+3CO ↑, V
2O
3+ 4C=V
2C+3CO ↑, V
2O
3Reaction such as+3C=2V+3CO ↑ wait.
15, with other companies normal pressure pushed bat kilns produce the equipment of VN alloys different be: use the high temperature high vacuum can reduce by 200～300 ℃ of temperature, use the metal molybdenum heating, V
2O
5, V
2O
4, V
2O
3And volatile matter does not have corrosion to equipment, the life-span of equipment and stability height.
In sum, the utility model is can reach the high VN alloy of needed vacuum and service life and stability in a kind of production process to produce the special-purpose high temperature high vacuum sintering furnace.
Description of drawings
Fig. 1 is that VN alloy is produced special-purpose high temperature high vacuum sintering furnace schematic diagram;
Fig. 2 is a high temperature high vacuum sintering furnace heating clamber structure chart;
Fig. 3 is along A-A line cut-away view among Fig. 2.
The specific embodiment
The utility model is described in further detail with the specific embodiment in conjunction with the accompanying drawings in the front.
Referring to Fig. 1, Fig. 2 and Fig. 3, high temperature high vacuum sintering furnace heating clamber 2 is by bearing assembly 18 in horizontal closed chamber body 7, guide rail 12 and fixed head 15 are provided with chamber body 8, chamber body 8 is provided with high temperature resistant mullite light thermal-insulation cotton 19, on chamber body 8, circumferentially be laid with high-temperature metal molybdenum band 16, in chamber body 8, be provided with siege assembly 13, on siege assembly 13, be provided with movably pallet 17, on horizontal closed chamber body 7, be provided with the thermocouple 9 that extends in the chamber body 8, on horizontal closed chamber body 7, be provided with exhaust tube 14 and double-deck water collar 10, four groups vacuumize after the unit parallel connection and are connected with the exhaust tube 14 of high temperature high vacuum sintering furnace heating clamber 2 by pipeline 3, every group vacuumizes unit is by diffusion pump 4, Lodz pump 5 and slide valve pump 6 are composed in series and diffusion pump 4 is in an end that closes on high temperature high vacuum sintering furnace heating clamber 2, control room 1 and high temperature high vacuum sintering furnace heating clamber 2, diffusion pump 4, Lodz pump 5 and slide valve pump 6 are electrically connected.
Referring to Fig. 1, Fig. 2 and Fig. 3, the VN alloy that adopts the utility model to provide is produced the special-purpose high temperature high vacuum sintering furnace and is produced VN alloy, embodiment:
1, temperature is 1450 ℃, and vacuum is 6 * 10
-2Pa, the VN alloy content of producing (mass percent) is V:78.45%, N:14.09%, C:5.76%, O:1.0%.Bulk density: 3.97g/cm
3
2, temperature is 1480 ℃, and vacuum is 6 * 10
-2Pa, the VN alloy content of producing (mass percent) is V:77.90%, N:15.42%, C:4.54%, O:0.8%.Bulk density: 3.85g/cm
3
3, temperature is 1500 ℃, and vacuum is 6 * 10
-2Pa, the VN alloy content of producing (mass percent) is V:77.58%, N:16.65%, C:3.83%, O:0.6%.Bulk density: 3.88g/cm
3
Claims (3)
1. a VN alloy is produced the special-purpose high temperature high vacuum sintering furnace, comprise control room (1) and high temperature high vacuum sintering furnace heating clamber (2), it is characterized in that: at least four groups are connected with the exhaust tube (14) of described high temperature high vacuum sintering furnace heating clamber (2) by pipeline (3) after vacuumizing the unit parallel connection, every group of described unit that vacuumizes is by diffusion pump (4), Lodz pump (5) and slide valve pump (6) are composed in series and described diffusion pump (4) is in an end that closes on described high temperature high vacuum sintering furnace heating clamber (2), described control room (1) and described high temperature high vacuum sintering furnace heating clamber (2), diffusion pump (4), Lodz pump (5) and slide valve pump (6) are electrically connected.
2. VN alloy according to claim 1 is produced the special-purpose high temperature high vacuum sintering furnace, it is characterized in that: described high temperature high vacuum sintering furnace heating clamber (2) is by bearing assembly (18) in horizontal closed chamber body (7), guide rail (12) and fixed head (15) are provided with chamber body (8), described chamber body (8) is provided with high temperature resistant mullite light thermal-insulation cotton (19), on described chamber body (8), circumferentially be laid with heater, in described chamber body (8), be provided with siege assembly (13), on described siege assembly (13), be provided with movably pallet (17), on described horizontal closed chamber body (7), be provided with the thermocouple (9) that extends in the described chamber body (8), on described horizontal closed chamber body (7), be provided with exhaust tube (14) and double-deck water collar (10).
3. VN alloy according to claim 2 is produced the special-purpose high temperature high vacuum sintering furnace, and it is characterized in that: described heater is a high-temperature metal molybdenum band (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201799023U CN201772726U (en) | 2010-05-06 | 2010-05-06 | Dedicated high-temperature and high-vacuum sintering furnace for VN alloy production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201799023U CN201772726U (en) | 2010-05-06 | 2010-05-06 | Dedicated high-temperature and high-vacuum sintering furnace for VN alloy production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201772726U true CN201772726U (en) | 2011-03-23 |
Family
ID=43752574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201799023U Expired - Fee Related CN201772726U (en) | 2010-05-06 | 2010-05-06 | Dedicated high-temperature and high-vacuum sintering furnace for VN alloy production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201772726U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307870A (en) * | 2013-06-25 | 2013-09-18 | 湘西自治州丰达合金科技有限公司 | Rail-type vacuum furnace for vanadium nitride production |
| CN104195503A (en) * | 2014-05-25 | 2014-12-10 | 北京华翔电炉技术有限责任公司 | A horizontal high-pressure gas quenching-tempering-nitridation vacuum multipurpose furnace |
| CN104296524A (en) * | 2013-07-16 | 2015-01-21 | 东阳市和顺磁业有限公司 | A high vacuum sintering furnace |
| EP2843339A1 (en) * | 2013-08-15 | 2015-03-04 | Ipsen International GmbH | Center heating element for a vacuum heat treating furnace |
-
2010
- 2010-05-06 CN CN2010201799023U patent/CN201772726U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307870A (en) * | 2013-06-25 | 2013-09-18 | 湘西自治州丰达合金科技有限公司 | Rail-type vacuum furnace for vanadium nitride production |
| CN104296524A (en) * | 2013-07-16 | 2015-01-21 | 东阳市和顺磁业有限公司 | A high vacuum sintering furnace |
| EP2843339A1 (en) * | 2013-08-15 | 2015-03-04 | Ipsen International GmbH | Center heating element for a vacuum heat treating furnace |
| US9891000B2 (en) | 2013-08-15 | 2018-02-13 | Ipsen, Inc. | Center heating element for a vacuum heat treating furnace |
| CN104195503A (en) * | 2014-05-25 | 2014-12-10 | 北京华翔电炉技术有限责任公司 | A horizontal high-pressure gas quenching-tempering-nitridation vacuum multipurpose furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7144617B2 (en) | Vacuum degreasing sintering furnace and its usage | |
| CN201772726U (en) | Dedicated high-temperature and high-vacuum sintering furnace for VN alloy production | |
| MY161950A (en) | Method and apparatus for biomass pyrolysis gasification via two interconnected furnaces | |
| CN201909323U (en) | Exhaust gas combustion waste heat utilization and purification device | |
| CN201289290Y (en) | Rapid cooling type intermediate frequency induction sintering furnace | |
| CN109941993A (en) | A kind of method of high vacuum low temperature purification graphite | |
| CN202114264U (en) | Integral vertical hydrogenation and dehydrogenation furnace | |
| CN101397646A (en) | Muffleless can-type gas nitriding furnace | |
| CN206783321U (en) | A kind of superhigh temperature graphitizing furnace | |
| CN105399106B (en) | The preparation method and device of a kind of high purity boron powder | |
| CN203419976U (en) | Nitriding furnace | |
| JP2014500892A (en) | Heated gas circulation type carbon material decomposition method and equipment | |
| CN213656321U (en) | Vacuum refining facility final-stage screw pump with cooling and explosion-proof structure | |
| CN205537094U (en) | Fill water cooling formula hydrogen sintering stove | |
| CN208684414U (en) | A kind of negative electrode material continuous carbonization furnace apparatus | |
| CN201952481U (en) | Segmented heating-purging device on copper and copper alloy bright annealing furnace | |
| CN207738790U (en) | A kind of cooling chamber for producing the external-heat coal base upright furnace of direct reduced iron | |
| CN209181532U (en) | Open-type ring-type roasting furnace Intelligent forced cooling device | |
| CN203642666U (en) | High-temperature hydrogen sintering furnace | |
| CN115560586B (en) | Quick cooling atmosphere bell jar furnace and cooling method thereof | |
| RU133911U1 (en) | RESISTANCE MINING VACUUM FURNACE | |
| CN203794948U (en) | Built-in reducing protective gas generation device | |
| CN106744917A (en) | A kind of superhigh temperature graphitizing furnace | |
| CN204079919U (en) | A kind of vapourizing furnace novel fire resistant nozzle cover | |
| CN204174259U (en) | A kind of extracting through microwave heating zinc oxide production unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110323 Termination date: 20140506 |