CN103203454A - Vacuum dewaxing system - Google Patents
Vacuum dewaxing system Download PDFInfo
- Publication number
- CN103203454A CN103203454A CN2013100959428A CN201310095942A CN103203454A CN 103203454 A CN103203454 A CN 103203454A CN 2013100959428 A CN2013100959428 A CN 2013100959428A CN 201310095942 A CN201310095942 A CN 201310095942A CN 103203454 A CN103203454 A CN 103203454A
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- Prior art keywords
- dewaxing
- vacuum
- rotary pump
- dewaxing system
- sliding vane
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Abstract
The invention provides a vacuum dewaxing system. The vacuum dewaxing system is formed by a dewaxing system and a rotary vane pump which are connected through a pipe. The dewaxing system comprises a primary dewaxing device and a secondary dewaxing device. A complement device is arranged at the front end of the rotary vane pump. In running, the vacuum dewaxing system can effectively solve the problem of scaling and blockage in device running in the prior art.
Description
Technical field
The present invention relates to a kind of at powder metallurgy vacuum dewaxing and sintering system.
Background technology
The proportioning of powder metallurgy product is varied, caused wax, the fat as forming agent, the content of glue class to have nothing in common with each other, therefore the requirement at the dewaxing device also is not quite similar, present vacuum dewaxing system since technological reason when often causing equipment to move fouling cause situation about stopping up, had a strong impact on the normal operation of equipment operating efficiency and factory.
Summary of the invention
At above-mentioned defective and the problem of prior art, the object of the invention has provided a kind of vacuum dewaxing system that efficiently solves the equipment operation fouling blocking problem of prior art when operation.
In order to achieve the above object, the invention provides following technical scheme:
A kind of vacuum dewaxing system comprises that dewaxing system, sliding vane rotary pump connect to form by pipeline, and the dewaxing system comprises main dewaxing device and time dewaxing device, and its front end at sliding vane rotary pump is provided with a supplementary set device;
Further, be provided with a vaccum stop valve between supplementary set device and sliding vane rotary pump, vaccum stop valve is fixed on the support;
Further, between vaccum stop valve and sliding vane rotary pump, be connected an electromagnetism baffle plate charge valve by screw;
Further, the supplementary set device is made up of the multilayer screen cloth.
The invention has the beneficial effects as follows, owing to be provided with a supplementary set device at the front end of sliding vane rotary pump, reduced device structure and possibility of jamming widely, be conducive to improve usage ratio of equipment.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of vacuum of the present invention dewaxing system.
The specific embodiment
Below in conjunction with accompanying drawing of the present invention, technical scheme of the present invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
As shown in Figure 1, the present invention discloses a kind of vacuum dewaxing system, comprise that dewaxing system, sliding vane rotary pump 3 connect to form by pipeline, the dewaxing system comprises main dewaxing device 1 and time dewaxing device 2, its front end at sliding vane rotary pump 3 is provided with a supplementary set device 4, supplementary set device 4 is made up of the multilayer screen cloth, prevents solid particle, and dust etc. enter and pollute pump in the oil-sealed rotary pump.
Wherein, a shell and tube condenser, heating system 5 of outer setting are placed in the inside of main dewaxing device 1, heat exchange area is bigger, gas flows in the integrated dismountable storage wax device 6 in bottom through curling up several times can further liquefy after the cooling, and wherein, storage wax device 6 can be a plurality of; Because the space of tubular heat exchanger is bigger, generally can not stop up.
In the optimized technical scheme, be provided with a vaccum stop valve 7 between supplementary set device 4 and sliding vane rotary pump 3, vaccum stop valve 7 is fixed on the support 8;
In the optimized technical scheme, between vaccum stop valve and sliding vane rotary pump, be connected an electromagnetism baffle plate charge valve 9 by screw;
Remaining some lower boiling steams that also have are pumped in time dewaxing device 2 without supplementary set, the gap of this dewaxing device is less, need forced draft to carry out heat exchange and supplementary set can be proved effective, because the gap is little, therefore be provided with an alternately pipeline 10 of break-make in parallel at inferior dewaxing device;
Specifically when operation with wherein one the tunnel, end with valve on another road, the heating system that tube used for bottom pouring is outer allows the place stopped up melt and flows down, and is used alternatingly then.Last protection is together arranged before pump at last, placed a supplementary set device, be made up of the multilayer screen cloth, prevent solid particle, dust etc. enter and pollute pump in the oil-sealed rotary pump.
After dewaxing finishes, can use stop valve to disconnect vacuum and dewaxing system, open the pipeline heating system, wax liquefaction is flowed in the storage wax device, can carry out dewaxing technique next time after cleaning out.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection domain with claim.
Claims (7)
1. vacuum dewaxing system comprises that dewaxing system, sliding vane rotary pump connect to form by pipeline, and the dewaxing system comprises main dewaxing device and time dewaxing device, it is characterized in that, is provided with a supplementary set device at the front end of sliding vane rotary pump.
2. vacuum according to claim 1 dewaxing system is characterized in that be provided with a vaccum stop valve between supplementary set device and the sliding vane rotary pump, vaccum stop valve is fixed on the support.
3. vacuum according to claim 1 dewaxing system is characterized in that, is connected an electromagnetism baffle plate charge valve by screw between vaccum stop valve and the sliding vane rotary pump.
4. vacuum according to claim 1 dewaxing system is characterized in that the supplementary set device is made up of the multilayer screen cloth.
5. vacuum according to claim 1 dewaxing system is characterized in that, a shell and tube condenser, heating system of outer setting are placed in the inside of main dewaxing device.
6. vacuum according to claim 1 dewaxing system is characterized in that, inferior dewaxing device is provided with an alternately pipeline of break-make in parallel.
7. vacuum dewaxing system according to claim 1 or 5 is characterized in that the bottom of main dewaxing device also comprises a plurality of storage wax devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100959428A CN103203454A (en) | 2013-03-25 | 2013-03-25 | Vacuum dewaxing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100959428A CN103203454A (en) | 2013-03-25 | 2013-03-25 | Vacuum dewaxing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103203454A true CN103203454A (en) | 2013-07-17 |
Family
ID=48750976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100959428A Pending CN103203454A (en) | 2013-03-25 | 2013-03-25 | Vacuum dewaxing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103203454A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1438174A (en) * | 1974-10-08 | 1976-06-03 | Vacuum Eng Scotland Ltd | Production of sintered articles |
| JPH04120204A (en) * | 1990-09-10 | 1992-04-21 | Sumitomo Heavy Ind Ltd | Supercritical dewaxing method |
| JPH04297503A (en) * | 1991-03-27 | 1992-10-21 | Ishikawajima Harima Heavy Ind Co Ltd | Method and device for dewaxing in vacuum dewaxing and sintering furnace |
| GB2353585A (en) * | 1999-08-21 | 2001-02-28 | Ald Vacuum Techn Ag | A device for dewaxing sintered materials |
| CN201277803Y (en) * | 2008-09-25 | 2009-07-22 | 天津市天骄电炉制造有限公司 | Dewaxing compressing sintering heat treatment vacuum furnace |
| CN201297835Y (en) * | 2008-09-02 | 2009-08-26 | 吴向忠 | Integrated multi-atmosphere sintering and dewaxing furnace |
| CN201302366Y (en) * | 2008-11-18 | 2009-09-02 | 株洲百泰硬质合金设备有限公司 | Dewaxing-sintering furnace |
| CN201969872U (en) * | 2011-03-03 | 2011-09-14 | 湖南博云东方粉末冶金有限公司 | Sintering furnace and dewaxing device thereof |
| CN202239619U (en) * | 2011-09-20 | 2012-05-30 | 湖南顶立科技有限公司 | Wax recovery device for dewaxing furnace |
-
2013
- 2013-03-25 CN CN2013100959428A patent/CN103203454A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1438174A (en) * | 1974-10-08 | 1976-06-03 | Vacuum Eng Scotland Ltd | Production of sintered articles |
| JPH04120204A (en) * | 1990-09-10 | 1992-04-21 | Sumitomo Heavy Ind Ltd | Supercritical dewaxing method |
| JPH04297503A (en) * | 1991-03-27 | 1992-10-21 | Ishikawajima Harima Heavy Ind Co Ltd | Method and device for dewaxing in vacuum dewaxing and sintering furnace |
| GB2353585A (en) * | 1999-08-21 | 2001-02-28 | Ald Vacuum Techn Ag | A device for dewaxing sintered materials |
| CN201297835Y (en) * | 2008-09-02 | 2009-08-26 | 吴向忠 | Integrated multi-atmosphere sintering and dewaxing furnace |
| CN201277803Y (en) * | 2008-09-25 | 2009-07-22 | 天津市天骄电炉制造有限公司 | Dewaxing compressing sintering heat treatment vacuum furnace |
| CN201302366Y (en) * | 2008-11-18 | 2009-09-02 | 株洲百泰硬质合金设备有限公司 | Dewaxing-sintering furnace |
| CN201969872U (en) * | 2011-03-03 | 2011-09-14 | 湖南博云东方粉末冶金有限公司 | Sintering furnace and dewaxing device thereof |
| CN202239619U (en) * | 2011-09-20 | 2012-05-30 | 湖南顶立科技有限公司 | Wax recovery device for dewaxing furnace |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130717 |