CN103897307B - The high temperature resistance matrix material of chemical flow-process pump corrosion-proof lining - Google Patents
The high temperature resistance matrix material of chemical flow-process pump corrosion-proof lining Download PDFInfo
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- CN103897307B CN103897307B CN201410118574.9A CN201410118574A CN103897307B CN 103897307 B CN103897307 B CN 103897307B CN 201410118574 A CN201410118574 A CN 201410118574A CN 103897307 B CN103897307 B CN 103897307B
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Abstract
The present invention discloses the high temperature resistance matrix material of a kind of chemical flow-process pump corrosion-proof lining, is made up of the raw material of following weight part, 70-75 tetrafluoroethylene, 10-13 short glass fiber, the micro-powder of 5-8 activated Calcium carbonate, 3-5 silane coupling agent, 1-7 Graphene; Its concrete preparation technology is: by above-mentioned weight part by after tetrafluoroethylene colloidal mill fine grinding, after mixing with other raw materials, more even with colloidal mill, finally namely obtains product with 50-90 mesh sieve. The matrix material of the present invention is high temperature resistant, cost of manufacture is low, machine-shaping is easy.
Description
Technical field
The present invention relates to the high temperature resistance matrix material of chemical flow-process pump corrosion-proof lining.
Background technology
Chemical flow-process pump is in chemical industry or petrochemical complex are produced, pump is at high temperature, low temperature or very low temperature, high pressure, Yi Ran, explosive, work under poisonous strong corrosive medium, the feature of chemical flow-process pump in addition can in high inlet pressure, high-lift, high viscosity, little flow, work under high cavitation conditions, chemical industry pump performance is proposed quite harsh requirement, particularly to erosion resistance, do not allow leakage and wearability requirement extremely high. it is adapt to Chemical Manufacture particular requirement, change machine industry is also produced chemical industry dedicated pump specially, such as plastic pump, glass pump, ceramic pump, graphite pump, canned-motor pump, magnetic drive pump, transh pump etc. performance requriements for the anticorrosion high temperature resistance liner of chemical flow-process pump improves.
Summary of the invention
It is an object of the invention to provide the high temperature resistance matrix material of a kind of chemical flow-process pump corrosion-proof lining, this matrix material is high temperature resistant, cost of manufacture is low, machine-shaping is easy.
The technical scheme of the present invention is as follows:
The high temperature resistance matrix material of chemical flow-process pump corrosion-proof lining, it is characterized in that, it is made up of the raw material of following weight part, tetrafluoroethylene 70-75, short glass fiber 10-13, activated Calcium carbonate micro-powder 5-8, Silane coupling agent KH550 3-5, Graphene 1-7, composite modified diatomite in powder 2-3; Its concrete preparation technology is: by above-mentioned weight part by after tetrafluoroethylene colloidal mill fine grinding, after mixing with other raw materials, more even with colloidal mill, finally namely obtains product with 50 90 mesh sieve; Described composite modified diatomite in powder is obtained by the raw material of following weight parts: diatomite 80-90, silicon carbide 10-20, titanium dioxide 1-2, secondary alcohol Soxylat A 25-7 0.2-0.4, silane coupling agent KH-7922-3, tetrabutyl titanate 0.1-0.2, Zinc Stearate 2-5, methyl methacrylate 1-2; Diatomite is calcined 3-4 hour by preparation method at 800-830 DEG C, after cooling, puts into 10-12% hydrochloric acid soln and soaks 1-2 hour, takes out, clean with clear water repetitive scrubbing, dries to obtain powder; Gained powder is joined in the water of 3-4 times amount, it is heated with stirring to 70-80 DEG C, then add silicon carbide, secondary alcohol Soxylat A 25-7, methyl methacrylate, silane coupling agent KH-792, stir 20-30 minute, cooling, dry, obtain composite diatomite powder; Finally by composite diatomite powder and other residue mixing of materials, grinding distribution and get final product.
The present invention is by diatomite modification, silicon carbide and titanium dioxide, adding wear resistance and the corrosion resistance nature of material.
The main raw of the present invention is tetrafluoroethylene, and subsidiary material adopt short glass fiber, the micro-powder of activated Calcium carbonate etc., and the matrix material high thermal resistance utilizing the method for the present invention to make is good, cost of manufacture is low, machine-shaping is easy.
Embodiment
The high temperature resistance matrix material of chemical flow-process pump corrosion-proof lining, is made up of the raw material of following weight part (kilogram), tetrafluoroethylene 70, short glass fiber 10, the micro-powder of activated Calcium carbonate 5, Silane coupling agent KH550 5, Graphene 1, composite modified diatomite in powder 2; Its concrete preparation technology is: by above-mentioned weight part by after tetrafluoroethylene colloidal mill fine grinding, after mixing with other raw materials, more even with colloidal mill, finally namely obtains product with 50 90 mesh sieve;
Described composite modified diatomite in powder is obtained by the raw material of following weight parts (kilogram): diatomite 80, silicon carbide 10, titanium dioxide 1, secondary alcohol Soxylat A 25-7 0.4, silane coupling agent KH-7923, tetrabutyl titanate 0.1, Zinc Stearate 5, methyl methacrylate 2; Diatomite is calcined 3-4 hour by preparation method at 800-830 DEG C, after cooling, puts into 10-12% hydrochloric acid soln and soaks 1-2 hour, takes out, clean with clear water repetitive scrubbing, dries to obtain powder; Gained powder is joined in the water of 3 times amount, it is heated with stirring to 70-80 DEG C, then add silicon carbide, secondary alcohol Soxylat A 25-7, methyl methacrylate, silane coupling agent KH-792, stir 20-30 minute, cooling, dry, obtain composite diatomite powder; Finally by composite diatomite powder and other residue mixing of materials, grinding distribution and get final product.
During use, by different workpieces weigh matrix material of the present invention inject processing mold, processing mold is sent into after heat pressing forming machines is heated to 200-280 ��, apply model to be fixed on hot-plate in 5-10 minute with 50 100kg/cm2 pressure, to reach thawing post-hardening, cool 30-50 minute, then to take out model finished product;
Adopting pouring technology compound material of the present invention on chemical pump inwall, for corrosion material transmission such as acid, alkali, it may also be useful to the life-span can reach 10 years, without damaging, relatively prior art perfluorinated material improves 30%.
Claims (1)
1. the high temperature resistance matrix material of chemical flow-process pump corrosion-proof lining, it is characterized in that, it is made up of the raw material of following weight part, tetrafluoroethylene 70-75, short glass fiber 10-13, activated Calcium carbonate micro-powder 5-8, Silane coupling agent KH550 3-5, Graphene 1-7, composite modified diatomite in powder 2-3; Its concrete preparation technology is: by above-mentioned weight part by after tetrafluoroethylene colloidal mill fine grinding, after mixing with other raw materials, more even with colloidal mill, finally namely obtains product with 50 90 mesh sieve; Described composite modified diatomite in powder is obtained by the raw material of following weight parts: diatomite 80-90, silicon carbide 10-20, titanium dioxide 1-2, secondary alcohol Soxylat A 25-7 0.2-0.4, silane coupling agent KH-7922-3, tetrabutyl titanate 0.1-0.2, Zinc Stearate 2-5, methyl methacrylate 1-2; Diatomite is calcined 3-4 hour by preparation method at 800-830 DEG C, after cooling, puts into 10-12% hydrochloric acid soln and soaks 1-2 hour, takes out, clean with clear water repetitive scrubbing, dries to obtain powder; Gained powder is joined in the water of 3-4 times amount, it is heated with stirring to 70-80 DEG C, then add silicon carbide, secondary alcohol Soxylat A 25-7, methyl methacrylate, silane coupling agent KH-792, stir 20-30 minute, cooling, dry, obtain composite diatomite powder; Finally by composite diatomite powder and other residue mixing of materials, grinding distribution and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410118574.9A CN103897307B (en) | 2014-03-27 | 2014-03-27 | The high temperature resistance matrix material of chemical flow-process pump corrosion-proof lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410118574.9A CN103897307B (en) | 2014-03-27 | 2014-03-27 | The high temperature resistance matrix material of chemical flow-process pump corrosion-proof lining |
Publications (2)
| Publication Number | Publication Date |
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| CN103897307A CN103897307A (en) | 2014-07-02 |
| CN103897307B true CN103897307B (en) | 2016-06-01 |
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| CN201410118574.9A Active CN103897307B (en) | 2014-03-27 | 2014-03-27 | The high temperature resistance matrix material of chemical flow-process pump corrosion-proof lining |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107955417A (en) * | 2017-12-12 | 2018-04-24 | 安徽启东热能科技有限公司 | A kind of wear resistant filler |
| CN110157125B (en) * | 2019-05-29 | 2021-11-30 | 祥松阀门集团有限公司 | Lining material in fluorine-lined valve and manufacturing method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20030069343A1 (en) * | 1998-08-06 | 2003-04-10 | Paul Smith | Melt-processible poly(tetrafluoroethylene) |
| CN101108959A (en) * | 2007-07-03 | 2008-01-23 | 陈秉杞 | Polytetrafluoroethylene reactivating material high and low temperature resistant sealing member |
| CN102558723A (en) * | 2011-12-26 | 2012-07-11 | 天津市天塑滨海氟塑料制品有限公司 | Fiberglass filling polytetrafluoroethylene material and preparation method thereof |
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Address after: 242544 49 Yanling Road, maolein Town, Jingxian County, Xuancheng, Anhui Patentee after: ANHUI WOLONG PUMP & VALVE CO., LTD. Address before: 242544 49 Yanling Road, maolein Town, Jingxian County, Xuancheng, Anhui Patentee before: ANHUI WOLONG VALVE CO., LTD. |
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