CN107036436B - A kind of vacuum cooling system of vacuum sintering furnace - Google Patents
A kind of vacuum cooling system of vacuum sintering furnace Download PDFInfo
- Publication number
- CN107036436B CN107036436B CN201710238448.0A CN201710238448A CN107036436B CN 107036436 B CN107036436 B CN 107036436B CN 201710238448 A CN201710238448 A CN 201710238448A CN 107036436 B CN107036436 B CN 107036436B
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- Prior art keywords
- pump
- vacuum
- cooler
- water inlet
- inlet pipe
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Classifications
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- 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
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
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- 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
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/04—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
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- 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
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
- F27B2005/062—Cooling elements
- F27B2005/064—Cooling elements disposed in the furnace, around the chamber, e.g. coils
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/0002—Cooling of furnaces
- F27D2009/001—Cooling of furnaces the cooling medium being a fluid other than a gas
- F27D2009/0013—Cooling of furnaces the cooling medium being a fluid other than a gas the fluid being water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/04—Sintering
Abstract
The present invention relates to metal injection molded technical fields, are particularly a kind of vacuum sintering furnace, specifically a kind of vacuum cooling system of vacuum sintering furnace.The vacuum cooling system includes cooling device in upper cooler, lower cooler, the first lobe pump, the second lobe pump, atmospheric jet pump, water ring pump and stove, the upper cooler is connected with cooling device in the stove, and is sequentially communicated with the first lobe pump, the second lobe pump, atmospheric jet pump and water ring pump；The lower cooler is connected with cooling device in the stove, and is sequentially communicated with the second lobe pump, atmospheric jet pump and water ring pump.The present invention can reduce the temperature in vacuum sintering furnace using cooling water, ensureing to be quickly cooled down sintered products in the case of vacuum in stove, without a large amount of electric power, saving energy consumption, have many advantages, such as energy conservation and environmental protection.
Description
Technical field：
It is specifically a kind of the present invention relates to metal injection molded (MIM) technical field, particularly a kind of vacuum sintering furnace
The vacuum cooling system of vacuum sintering furnace.
Background technology：
Vacuum sintering furnace is a kind of stove that in vacuum environment heating object product are carried out with protectiveness sintering, is mainly fitted
For the sintering and heat treatment of hard alloy, powder metallurgy, magnetic material, traditional vacuum sintering furnace mainly includes furnace body, adds
Hot systems and vacuum system.During vacuum-sintering, except to device temperature uniformity and accuracy and final vacuum
It has higher requirements outer, cooling velocity is also to evaluate an important indicator of vacuum sintering furnace.Product in vacuum sintering furnace is burnt
Heating system is may turn off after the completion of knot, then by natural cooling product is made to come out of the stove again after reaching room temperature.Due to vacuum-sintering
Temperature in the internal temperature of stove at work, the especially heat-preservation cylinder of furnace interior passes through mostly at more than 1,000 degrees Celsius or more
Less than 100 degrees Celsius even room temperature are, it is necessary to longer time as defined in naturally cooling to；Simultaneously as in vacuum sintering furnace
Product is sintered under vacuo, and in order to ensure the quality of product, when cooling cannot open fire door so that vacuum sintering furnace it is cold
But very slowly, production efficiency is further affected.
In the prior art, Chinese patent CN201992986U discloses a kind of cooling fan of vacuum sintering furnace, including wind
Machine impeller end and motor terminal, draught fan impeller end include fans entrance, wind turbine engine base, fan outlet, draught fan impeller, driver
Structure, permanent magnet internal rotor and separation sleeve, the draught fan impeller end are included within the vacuum system of sintering furnace, and motor terminal is being burnt
Outside the vacuum system of freezing of a furnace；Chinese patent CN204677463U discloses a kind of cooling fan of vacuum sintering furnace, including becoming
Frequency motor, cabinet and connecting flange, variable-frequency motor are set in the chassis, and variable-frequency motor is equipped with frequency converter, variable-frequency motor
Output shaft front end is connected with impeller, and impeller is placed in the connecting flange, output shaft rear end and the bearings machine of variable-frequency motor
Structure connects, and bearings mechanism is fixed on the cabinet bottom by support base；Chinese patent CN203992395U discloses one
A kind of vacuum sintering furnace cooling system of kind, including the cooling cycle wind turbine for blowing into sintering furnace, the outlet air of sintering furnace
Mouthful connect to form closed loop air passage with the air inlet of cooling cycle wind turbine, the air inlet of sintering furnace air outlet and cooling cycle wind turbine it
Between pipeline be equipped with cooler, cooler be heat exchange cooling coil.These prior arts are carried out using circulating fan
Cooling, needs to consume a large amount of electric power using wind turbine, cooling velocity nevertheless suffers from certain restriction, and production efficiency cannot meet maximization
Demand.
The content of the invention：
The technical problems to be solved by the invention are for, need relatively slow to the cooling velocity of vacuum sintering furnace in the prior art
It consumes a large amount of electric power and the shortcomings of production efficiency is difficult to meet demand, a kind of vacuum cooled system of vacuum sintering furnace is provided
System.
The technical scheme adopted by the invention to solve the technical problem is that：A kind of vacuum cooling system of vacuum sintering furnace,
Vacuum sintering furnace can be cooled down, the furnace body of the vacuum sintering furnace includes bell and cylinder, bell include left bell and
Right bell, it is characterised in that：The vacuum cooling system includes upper cooler, lower cooler, the first lobe pump, the second Roots
Cooling device in pump, atmospheric jet pump, water ring pump and stove, in the stove cooling device be arranged on the left bell, right bell with
In the cavity of the cylinder composition；The upper cooler is located at the top of the cylinder, cold in the upper cooler and the stove
But device connects, and is sequentially communicated with the first lobe pump, the second lobe pump, atmospheric jet pump and water ring pump；The lower cooler
Positioned at the lower section of the cylinder, the lower cooler is connected with cooling device in the stove, and with the second lobe pump, big gas jet
Pump and water ring pump are sequentially communicated.
Preferably, A mouthfuls are provided between the lower cooler and second lobe pump.
Preferably, B mouthfuls are provided between cooler and first lobe pump on described.
Preferably, C mouthfuls are provided between cooler and the lower cooler on described.
Preferably, one end of cooler is set on described between cooler and first lobe pump and on described
There is pressure vacuum gauge.
Preferably, cooling device includes water inlet pipe and outlet pipe in the stove, and water inlet pipe includes the first water inlet pipe and second
Water inlet pipe, outlet pipe include the first return pipe and the second return pipe, and the first water inlet pipe and the second water inlet pipe are separately positioned on cylinder
Both ends, the first return pipe and the second return pipe are arranged on the intermediate region of cylinder；First water inlet pipe is connected with the first return pipe,
Second water inlet pipe is connected with the second return pipe, and cooling water is intake from the water inlet of water inlet pipe into the first water inlet pipe and second simultaneously
It manages, the water outlet that the cooling water in the first return pipe and the second return pipe passes through outlet pipe simultaneously flows out.
Preferably, pneumatic linear actuator is also set up in the cavity of the left bell, right bell with cylinder composition, it is described pneumatic
Cylinder includes left pneumatic linear actuator and right pneumatic linear actuator；Left pneumatic linear actuator is located at the one side of left bell and is connected with left bell；Right pneumatic linear actuator is located at
It the one side of right bell and is connected with right bell.
The present invention has the advantages that due to taking above-mentioned technical proposal：
A kind of vacuum cooling system of vacuum sintering furnace of the present invention can reduce vacuum-sintering using cooling water
Temperature in stove is ensureing to be quickly cooled down sintered products in the case of vacuum in stove, without a large amount of electric power, is saving energy
Source consumes, and has many advantages, such as energy conservation and environmental protection.
Description of the drawings：
Fig. 1 is a kind of schematic front view of the vacuum cooling system of vacuum sintering furnace of the present invention；
Fig. 2 is a kind of left view schematic diagram of the vacuum cooling system of vacuum sintering furnace of the present invention；
Fig. 3 is a kind of schematic top plan view of the vacuum cooling system of vacuum sintering furnace of the present invention.
Specific embodiment：
Present disclosure is described further below in conjunction with attached drawing.
As shown in Figure 1, Figure 2 and Figure 3, the vacuum cooling system of a kind of vacuum sintering furnace of the present invention, can be to true
Empty sintering furnace 100 is cooled down, and the furnace body of the vacuum sintering furnace 100 includes bell and cylinder 101, and bell includes left bell
102 and right bell 103, it is characterised in that：The vacuum cooling system includes upper cooler 1, lower cooler 2, the first lobe pump
3rd, cooling device (not shown) in the second lobe pump 4, atmospheric jet pump 5, water ring pump 6 and stove, cooling device is set in the stove
In the cavity of the left bell 102, right bell 103 with the cylinder 101 composition；The upper cooler 1 is located at the cylinder
101 top, the upper cooler 1 are connected with cooling device in the stove, and with the first lobe pump 3, the second lobe pump 4, big
Gas jet pump 5 and water ring pump 6 are sequentially communicated；The lower cooler 2 is located at the lower section of the cylinder 101, lower 2 He of cooler
Cooling device connects in the stove, and is sequentially communicated with the second lobe pump 4, atmospheric jet pump 5 and water ring pump 6.Since so, just
The temperature in vacuum sintering furnace 100 can be reduced using cooling water, ensure to make sintered products fast in the case of vacuum in stove
Quickly cooling but, without a large amount of electric power, saves energy consumption, has many advantages, such as energy conservation and environmental protection.
In the present invention, 3 and second lobe pump 4 of the first lobe pump is a kind of same by a pair of of lobed rotor in pump chamber
Step, the pushing effect reversely rotated carry out mobile gas and realize the vacuum pump of pumping, coordinate the atmospheric jet pump 5 and the water
Ring pump 6 is used together；The atmospheric jet pump 5 is a kind of fluid driven pump, is extracted using the high-speed jet by nozzle
Gas in container usually does power source to convey low energy to obtain the equipment of vacuum by the energy of another working fluid
Liquid；The water ring pump 6 is the interior eccentric rotor that the fixed blade of band is housed, water throwing is concentric with stator to stator wall, water formation
Pendular ring, pendular ring formed together with rotor blade variable volume a kind of rotary volume-variable product vacuum pump, it can be obtained the limit
Vacuum is 2000~4000Pa.
In Fig. 1, the present invention can also be provided with A mouths 7 between lower 2 and second lobe pump 4 of cooler, described
B mouths 8 are provided between upper cooler 1 and first lobe pump 3, are set on described between cooler 1 and the lower cooler 2
C mouths 9 are equipped with, so as to preferably control cooling of the vacuum cooling system to vacuum sintering furnace.It is likewise it is preferred that cold described
But it is provided with pressure vacuum gauge 10 between device 1 and first lobe pump 3 and close to one end of the upper cooler 1.
Wherein, cooling device (not shown) includes water inlet pipe and outlet pipe in the stove, and water inlet pipe includes the first water inlet pipe
With the second water inlet pipe, outlet pipe includes the first return pipe and the second return pipe, and the first water inlet pipe and the second water inlet pipe are set respectively
At the both ends of cylinder 101, the first return pipe and the second return pipe are arranged on the intermediate region of cylinder 101；First water inlet pipe and
One return pipe connects, and the second water inlet pipe connect with the second return pipe, cooling water from the water inlet of water inlet pipe and meanwhile enter first into
Water pipe and the second water inlet pipe, the water outlet that the cooling water in the first return pipe and the second return pipe passes through outlet pipe simultaneously flow out.
Wherein, pneumatic linear actuator is also set up in the cavity of the left bell 102, right bell 103 with the cylinder 101 composition
(not shown), the pneumatic linear actuator include left pneumatic linear actuator and right pneumatic linear actuator；Left pneumatic linear actuator be located at the one side of left bell 102 and with left stove
Lid 102 connects, so that it is guaranteed that conjunction is put down in the sealing between left bell 102 and cylinder 101；Right pneumatic linear actuator is located at right bell 103
It one side and is connected with right bell 103, so that it is guaranteed that conjunction is put down in the sealing between right bell 103 and cylinder 101.
Claims (2)
1. a kind of vacuum cooling system of vacuum sintering furnace, can cool down vacuum sintering furnace, the vacuum sintering furnace
Furnace body includes bell and cylinder, and bell includes left bell and right bell, it is characterised in that：The vacuum cooling system includes upper cold
But cooling device in device, lower cooler, the first lobe pump, the second lobe pump, atmospheric jet pump, water ring pump and stove, in the stove
Cooling device is arranged in the cavity of the left bell, right bell and cylinder composition；The upper cooler is located at the cylinder
The top of body, the upper cooler are connected with cooling device in the stove, and with the first lobe pump, the second lobe pump, big gas blowout
It penetrates pump and water ring pump is sequentially communicated；The lower cooler is located at the lower section of the cylinder, cold in the lower cooler and the stove
But device connects, and is sequentially communicated with the second lobe pump, atmospheric jet pump and water ring pump；
Cooling device includes water inlet pipe and outlet pipe in the stove, and water inlet pipe includes the first water inlet pipe and the second water inlet pipe, water outlet
Pipe includes the first return pipe and the second return pipe, and the first water inlet pipe and the second water inlet pipe are separately positioned on the both ends of cylinder, and first
Return pipe and the second return pipe are arranged on the intermediate region of cylinder；First water inlet pipe is connected with the first return pipe, the second water inlet pipe
It is connected with the second return pipe, cooling water is from the water inlet of water inlet pipe simultaneously into the first water inlet pipe and the second water inlet pipe, first time
Cooling water in water pipe and the second return pipe is flowed out simultaneously by the water outlet of outlet pipe；
A mouthfuls are provided between the lower cooler and second lobe pump；
On described B mouthfuls are provided between cooler and first lobe pump；
On described C mouthfuls are provided between cooler and the lower cooler；
Pneumatic linear actuator is also set up in the cavity of the left bell, right bell with cylinder composition, the pneumatic linear actuator includes left gas
Dynamic cylinder and right pneumatic linear actuator；Left pneumatic linear actuator is located at the one side of left bell and is connected with left bell；Right pneumatic linear actuator is located at the one of right bell
It side and is connected with right bell.
2. vacuum cooling system according to claim 1, it is characterised in that：Cooler and first Roots on described
Pressure vacuum gauge is provided between pump and close to one end of the upper cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710238448.0A CN107036436B (en) | 2017-04-13 | 2017-04-13 | A kind of vacuum cooling system of vacuum sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710238448.0A CN107036436B (en) | 2017-04-13 | 2017-04-13 | A kind of vacuum cooling system of vacuum sintering furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107036436A CN107036436A (en) | 2017-08-11 |
| CN107036436B true CN107036436B (en) | 2018-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710238448.0A Active CN107036436B (en) | 2017-04-13 | 2017-04-13 | A kind of vacuum cooling system of vacuum sintering furnace |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088238B (en) * | 2017-12-12 | 2019-11-08 | 湖南太子新材料科技有限公司 | A kind of high temperature sintering furnace |
| CN107941019B (en) * | 2017-12-21 | 2023-10-03 | 昇力恒(宁夏)真空科技股份公司 | High-temperature atmosphere multistage circulation cooling type ultrahigh-temperature sintering furnace |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201311178Y (en) * | 2008-09-28 | 2009-09-16 | 锦州航星真空设备有限公司 | Vacuum atmosphere hot pressing sinter furnace |
| JP5265475B2 (en) * | 2009-07-17 | 2013-08-14 | 株式会社トウネツ | One-chamber vacuum furnace |
| CN101988144A (en) * | 2010-10-15 | 2011-03-23 | 杭州金舟电炉有限公司 | Practical sealed quick cooling chamber |
| CN202427954U (en) * | 2011-12-31 | 2012-09-12 | 株洲新融利实业有限公司 | Sintering furnace and vacuum-pumping system thereof |
| CN202836234U (en) * | 2012-09-11 | 2013-03-27 | 宁波鑫丰磁业有限公司 | Cooling device of vacuum sintering furnace used for magnetic materials |
| CN203518550U (en) * | 2013-08-27 | 2014-04-02 | 昆明理工大学 | Vacuum sintering furnace of anode materials of lithium ion batteries |
| CN103557710B (en) * | 2013-10-28 | 2016-06-15 | 北京泰科诺科技有限公司 | A kind of Rapid Circulation air-cooling vacuum furnace |
| CN205607128U (en) * | 2016-03-07 | 2016-09-28 | 苏州大学 | Take cooling device's vacuum sintering stove |
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| CN107036436A (en) | 2017-08-11 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180417 Address after: 412000 A, R & D workshop 105 and 106, phase 2-1, Xin Ma power innovation park, No. 899, Xianyue Ring Road, Tianyuan, Zhuzhou, Hunan. Applicant after: Zhuzhou Wanrong New Material Technology Co., Ltd. Address before: 412000 workshop No. 9, Zhongda Road, Tianyuan District, Zhuzhou, Hunan, C-6 Applicant before: Zhuzhou Xinrongli Industry Co., Ltd. |
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