CN205316944U - Pressure fritting furnace dewaxing device - Google Patents
Pressure fritting furnace dewaxing device Download PDFInfo
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- CN205316944U CN205316944U CN201620096466.0U CN201620096466U CN205316944U CN 205316944 U CN205316944 U CN 205316944U CN 201620096466 U CN201620096466 U CN 201620096466U CN 205316944 U CN205316944 U CN 205316944U
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- dewaxing
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Abstract
The utility model discloses a pressure fritting furnace dewaxing device, including intake pipe, first dewaxing violently manage, dewax storage box, dewaxing standpipe, second dewaxing violently pipe and vacuum pump, the intake pipe first dewaxing violently manages the dewaxing storage box connects gradually, first dewaxing violently manage with the junction of dewaxing storage box is provided with cooling device, the dewaxing standpipe the front end with the dewaxing storage box is connected, the dewaxing standpipe the rear end with the front end that the second dewaxing was violently managed is connected, rear end that second dewaxing was violently managed with vacuum pump connection, first dewaxing violently manages the dewaxing standpipe and the inner chamber that the second dewaxing was violently managed is all filled out and is equipped with the pall ring, the rear end of dewaxing standpipe still is provided with tail gas burner. This pressure fritting furnace dewaxing device passes through its structural design, and product quality is ensured in the shaping agent that effectively contains in the desorption product.
Description
Technical field
This utility model relates to Field of Heat-treatment, more specifically, particularly to a kind of pressure sintering furnace dewaxing device.
Background technology
Pressure sintering furnace is a kind of heat treatment stove that can provide specified temp and pressure environment to material. Pressure sintering furnace can promote the mutual binding of some solid particle in material, grain growth, space (pore) and crystal boundary gradually to reduce, and material cumulative volume shrinks, and density increases, and finally becomes and has certain microstructural dense multicrystalline sintered body. Pressure sintering furnace is usually used in the sintering of ceramic powder, ceramic insertion core or other zirconia ceramicss etc., can also be used for the high temperature sintering of the similar products such as thick film circuit, thick-film resistor, electrodes of electronic components, LTCC, steel heater, solar panel, therefore, pressure sintering furnace is widely used in steel industry, metallurgy industry, new material industry etc.
Conventional pressure sintering furnace generally comprises vacuum equipment, heating and heat-insulating device, pressurization pressure relief device, process gas device, recirculated cooling water device, control device and dewaxing device. Wherein, the effect of dewaxing device is that the forming agent added in product treatment is removed. Product is when pressure sintering furnace processes; in order to ensure the better molding of product; usually need to pass into forming agent; if but forming agent remains in product, can extreme influence product quality; therefore, usually forming agent gas can be carried out high-temperature heating, then make it from passage special in pressure sintering furnace through dewaxing device; make forming agent become liquid from gas, finally complete follow-up trapping, collection and storage again. But, due to the limitation in existing dewaxing device structural design, when using existing dewaxing device to be shaped agent elimination, the forming agent of interiors of products is difficult to remove totally, cause forming agent to remain in interiors of products, will also result in product carburizing uneven simultaneously, extreme influence product quality.
In sum, how to provide a kind of and can effectively remove the forming agent contained in product, it is ensured that the pressure sintering furnace dewaxing device of product quality becomes those skilled in the art's problem demanding prompt solution.
Utility model content
The technical problems to be solved in the utility model is for providing a kind of pressure sintering furnace dewaxing device, and this pressure sintering furnace dewaxing device passes through its structural design, can effectively remove the forming agent contained in product, it is ensured that product quality.
A kind of pressure sintering furnace dewaxing device, including air inlet pipe, first dewaxing transverse tube, dewaxing storage box, dewaxing vertical tube, second dewaxing transverse tube and vacuum pump, described air inlet pipe, described first dewaxing transverse tube, described dewaxing storage box is sequentially connected with, the junction of described first dewaxing transverse tube and described dewaxing storage box is provided with chiller, the front end of described dewaxing vertical tube is connected with described dewaxing storage box, the rear end of described dewaxing vertical tube is connected with the described second front end dewaxing transverse tube, the rear end of described second dewaxing transverse tube is connected with described vacuum pump, described first dewaxing transverse tube, the inner chamber of described dewaxing vertical tube and described second dewaxing transverse tube is all filled out and is provided with Pall ring, the rear end of described dewaxing vertical tube is additionally provided with tail gas burner.
Preferably, described dewaxing vertical tube is perpendicular with described dewaxing storage box is connected.
Preferably, described dewaxing vertical tube dewaxes with described second, and transverse tube is perpendicular to be connected.
Preferably, it is provided with graphite inner container layer in described air inlet pipe.
Preferably, described air inlet pipe is provided with flow control valve with the junction of described first dewaxing transverse tube.
Preferably, described chiller includes installing plate and the spiral heat-exchange tube being connected on described installing plate.
Preferably, described spiral heat-exchange tube is copper spiral heat-exchange tube.
The beneficial effects of the utility model are: the pressure sintering furnace dewaxing device that this utility model provides, by its structural design, can effectively remove the forming agent contained in product, it is ensured that product quality.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
Accompanying drawing 1 is the overall structure schematic diagram of a kind of pressure sintering furnace dewaxing device of this utility model embodiment;
Accompanying drawing 2 is the structural representation of this utility model embodiment chiller.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical scheme in the application, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, rather than whole embodiments.
Based on the embodiment in the application, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, all should belong to the scope of the application protection.
Providing a kind of specific embodiment of the present utility model referring to accompanying drawing 1 and accompanying drawing 2, accompanying drawing 1 and accompanying drawing 2, wherein, accompanying drawing 1 is the overall structure schematic diagram of a kind of pressure sintering furnace dewaxing device of this utility model embodiment; Accompanying drawing 2 is the structural representation of this utility model embodiment chiller.
The orientation word " front end ", " rear end " that use in this utility model are relevant to the flow direction of gas, and wherein, " front end " refers to the inflow end of gas, and " rear end " refers to that the outflow end of gas, the direction of arrow in accompanying drawing 1 are the flow direction of gas.
As shown in Figures 1 and 2, this utility model provides a kind of pressure sintering furnace dewaxing device, the effect of this device is that the forming agent added in product treatment is removed, including air inlet pipe the 1, first dewaxing transverse tube 2, dewaxing storage box 3, dewaxing vertical tube the 4, second dewaxing transverse tube 5 and vacuum pump 6.
Air inlet pipe the 1, first dewaxing transverse tube 2, dewaxing storage box 3 are sequentially connected with. Wherein, air inlet pipe 1 is for being intended to the input of place's process gases, and the first dewaxing transverse tube 2 is for being intended to the primary liquefaction of place's process gases, and dewaxing storage box 3 is for the storage of post liquefaction forming agent.
The junction of the first dewaxing transverse tube 2 and dewaxing storage box 3 is provided with chiller 7, and chiller 7 is for the cooling of gas after primary liquefaction.
The front end of dewaxing vertical tube 4 is connected with dewaxing storage box 3, and dewaxing vertical tube 4 is for being intended to the liquefaction again of place's process gases.
The rear end of dewaxing vertical tube 4 is connected with the second front end dewaxing transverse tube 5, and the second dewaxing transverse tube 5 is for being intended to the final liquefaction of place's process gases.
The rear end of the second dewaxing transverse tube 5 is connected with vacuum pump 6, and vacuum pump 6 is for providing power output to the flowing of gas.
The inner chamber of the first dewaxing transverse tube 2, dewaxing vertical tube 4 and the second dewaxing transverse tube 5 is all filled out and is provided with Pall ring 8, and Pall ring 8 is for increasing the contact area between gas and device, thus improving the liquefaction efficiency of forming agent gas.
The rear end of dewaxing vertical tube 4 is additionally provided with tail gas burner 9, and tail gas burner 9 is for remaining the burning of forming agent gas.
When the pressure sintering furnace dewaxing device that this utility model provides is embodied as, the pumping efficiency according to the input flow rate size of desire place process gases and vacuum pump 6, it is likely to inside this pressure sintering furnace dewaxing device be negative pressure and two kinds of dewaxing states of malleation:
Under negative pressure dewaxing state, first the high-temperature gas containing forming agent composition flowed out in the body of heater of pressure sintering furnace is imported by air inlet pipe 1, the primary liquefaction of the transverse tube 2 that dewaxes by first, and the forming agent of about 50% is become liquid by gas; Secondly, the residual gas after primary liquefaction is cooled down by chiller 7, has again the forming agent of about 30% to be become liquid by gas, and the forming agent after being liquefied flows into dewaxing storage box 3 and is collected; Again, the forming agent gas not liquefied is liquefied again through dewaxing vertical tube 4, has again the forming agent of about 20% to be become liquid by gas, and liquid is back to dewaxing storage box 3 and is collected; Finally, air-flow is by the second dewaxing transverse tube 5, and the forming agent gas of residual is finally liquefied and is back to dewaxing storage box 3 and is collected by the second dewaxing transverse tube 5, and clean gas is extracted out by vacuum pump 6.
Under malleation dewaxing state, first the high-temperature gas containing forming agent composition flowed out in the body of heater of pressure sintering furnace is imported by air inlet pipe 1, the primary liquefaction of the transverse tube 2 that dewaxes by first, and the forming agent of about 50% is become liquid by gas; Secondly, the residual gas after primary liquefaction is cooled down by chiller 7, has again the forming agent of about 30% to be become liquid by gas, and the forming agent after being liquefied flows into dewaxing storage box 3 and is collected; Again, the forming agent gas not liquefied is liquefied again through dewaxing vertical tube 4, has again the forming agent of about 20% to be become liquid by gas, and liquid is back to dewaxing storage box 3 and is collected; Finally, the gas remaining forming agent is burnt through tail gas burner 9 igniting.
Generally, the pressure sintering furnace dewaxing device that this utility model provides, by its structural design, can effectively remove the forming agent contained in product, it is ensured that product quality.
In the present embodiment, the backflow of liquefaction and liquid for further facilitating forming agent, dewaxing vertical tube 4 with dewax that storage box 3 is perpendicular is connected.
In the present embodiment, for improving the liquefaction efficiency of forming agent further, the convenient liquefaction remaining forming agent gas, dewaxing vertical tube 4 dewaxes with second, and transverse tube 5 is perpendicular to be connected.
In the present embodiment, for improving heat conductivility further, in air inlet pipe 1, it is provided with graphite inner container layer.
In the present embodiment, for further facilitating the flow-control of desire place process gases, the junction of air inlet pipe 1 and the first dewaxing transverse tube 2 is provided with flow control valve 10.
In the present embodiment, for improving the cooling liquid efficiency of forming agent, chiller 7 includes installing plate 701 and the spiral heat-exchange tube 702 being connected on installing plate 701. So, spiral heat-exchange tube 702 can greatly improve the heat exchange path of gas, improves liquefaction efficiency.
In the present embodiment, for improving the cooling liquid efficiency of forming agent further, spiral heat-exchange tube 702 is preferably copper spiral heat-exchange tube.
Above a kind of pressure sintering furnace dewaxing device provided by the utility model is described in detail. Principle of the present utility model and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method of the present utility model and core concept thereof. Should be understood that; for those skilled in the art; under the premise without departing from this utility model principle, it is also possible to this utility model carries out some improvement and modification, these improve and modification also falls in this utility model scope of the claims.
Claims (7)
1. a pressure sintering furnace dewaxing device, it is characterized in that, including air inlet pipe, first dewaxing transverse tube, dewaxing storage box, dewaxing vertical tube, second dewaxing transverse tube and vacuum pump, described air inlet pipe, described first dewaxing transverse tube, described dewaxing storage box is sequentially connected with, the junction of described first dewaxing transverse tube and described dewaxing storage box is provided with chiller, the front end of described dewaxing vertical tube is connected with described dewaxing storage box, the rear end of described dewaxing vertical tube is connected with the described second front end dewaxing transverse tube, the rear end of described second dewaxing transverse tube is connected with described vacuum pump, described first dewaxing transverse tube, the inner chamber of described dewaxing vertical tube and described second dewaxing transverse tube is all filled out and is provided with Pall ring, the rear end of described dewaxing vertical tube is additionally provided with tail gas burner.
2. pressure sintering furnace dewaxing device according to claim 1, it is characterised in that described dewaxing vertical tube is perpendicular with described dewaxing storage box to be connected.
3. pressure sintering furnace dewaxing device according to claim 1, it is characterised in that described dewaxing vertical tube dewaxes with described second, and transverse tube is perpendicular to be connected.
4. pressure sintering furnace dewaxing device according to claim 1, it is characterised in that be provided with graphite inner container layer in described air inlet pipe.
5. pressure sintering furnace dewaxing device according to claim 1, it is characterised in that described air inlet pipe is provided with flow control valve with the described first junction dewaxing transverse tube.
6. pressure sintering furnace dewaxing device according to claim 1, it is characterised in that described chiller includes installing plate and the spiral heat-exchange tube being connected on described installing plate.
7. pressure sintering furnace dewaxing device according to claim 6, it is characterised in that described spiral heat-exchange tube is copper spiral heat-exchange tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620096466.0U CN205316944U (en) | 2016-01-29 | 2016-01-29 | Pressure fritting furnace dewaxing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620096466.0U CN205316944U (en) | 2016-01-29 | 2016-01-29 | Pressure fritting furnace dewaxing device |
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| CN205316944U true CN205316944U (en) | 2016-06-15 |
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| CN201620096466.0U Active CN205316944U (en) | 2016-01-29 | 2016-01-29 | Pressure fritting furnace dewaxing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120961A (en) * | 2017-06-07 | 2017-09-01 | 株洲瑞德尔冶金设备制造有限公司 | Sintering furnace dewaxing device |
| CN108941551A (en) * | 2018-05-28 | 2018-12-07 | 遵义中铂硬质合金有限责任公司 | Dewax pre-burning stove |
| CN113587649A (en) * | 2021-07-29 | 2021-11-02 | 株洲瑞德尔冶金设备制造有限公司 | Dewaxing device of sintering furnace |
| CN114705047A (en) * | 2022-04-02 | 2022-07-05 | 株洲瑞德尔智能装备有限公司 | Dewaxing device for sintering furnace |
-
2016
- 2016-01-29 CN CN201620096466.0U patent/CN205316944U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120961A (en) * | 2017-06-07 | 2017-09-01 | 株洲瑞德尔冶金设备制造有限公司 | Sintering furnace dewaxing device |
| CN108941551A (en) * | 2018-05-28 | 2018-12-07 | 遵义中铂硬质合金有限责任公司 | Dewax pre-burning stove |
| CN108941551B (en) * | 2018-05-28 | 2020-04-03 | 遵义中铂硬质合金有限责任公司 | Dewaxing pre-burning furnace |
| CN113587649A (en) * | 2021-07-29 | 2021-11-02 | 株洲瑞德尔冶金设备制造有限公司 | Dewaxing device of sintering furnace |
| CN114705047A (en) * | 2022-04-02 | 2022-07-05 | 株洲瑞德尔智能装备有限公司 | Dewaxing device for sintering furnace |
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