CN1828062A - Pump with polytetrafluoroethylene or F46 inner coating and method for processing the coating - Google Patents
Pump with polytetrafluoroethylene or F46 inner coating and method for processing the coating Download PDFInfo
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- CN1828062A CN1828062A CN 200610009941 CN200610009941A CN1828062A CN 1828062 A CN1828062 A CN 1828062A CN 200610009941 CN200610009941 CN 200610009941 CN 200610009941 A CN200610009941 A CN 200610009941A CN 1828062 A CN1828062 A CN 1828062A
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- pump
- teflon
- coating
- sintering
- internally coated
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Abstract
The invention relates to a pump with politef or F46 coat and relative producing method, which solve the problem for plating politef inside the pump, with high producing cost. The thickness of politef or F46 inner coat (2) of pump flow section (a) is 0.1-50um. The producing method comprises: sintering the pump plated with politef or F46 coat in 280-350Deg. C for 2-4 hours. The invention has the advantages as thin coat and better resistance. It has simple process, smooth surface and small friction parameter.
Description
Technical field
The present invention relates to the pump of protective coating in a kind of having and the processing method of coating thereof.
Background technique
Have now and be used to carry the pump of liquid medium mostly to be cast iron (steel) pump, because the liquid medium of carrying includes water, crude oil, contains acid, contains the industrial chemicals of alkali etc., these liquid mediums have certain corrosivity to the pump housing, and can fouling in the pump housing, have a strong impact on the usability of pump, reduce the working life of pump efficiency, shortening pump.For the usability, pump efficiency and the working life that make pump unaffected, methods such as that people bring into use is zinc-plated, handcuffs porcelain or inner liner polytetrafluoroethylene are alleviated these problems, but because these protection materials or poor adhesive force, in conjunction with insecure, or coating is thicker, influences the fit up gap of pump, also or cost an arm and a leg, the fabricating cost of pump is improved greatly, and using effect is unsatisfactory.
Summary of the invention
The objective of the invention is that prior art is zinc-plated in the pump housing in order to solve, methods such as handcuffs porcelain or inner liner polytetrafluoroethylene, poor adhesive force, in conjunction with insecure, or coating is thicker, influences the fit up gap of pump, also or cost an arm and a leg, complex manufacturing technology, the fabricating cost of pump improves, and using effect is undesirable, the problem that the working life of pump is still short.A kind of teflon or F46[perfluoroethylene third rare (FEP) of having is provided] processing method of internally coated pump and coating.The present invention has the characteristics that teflon or the internally coated pump flow-passing surface of F46 surface have viscosity not, lubricity, corrosion-resistant, non-scaling; The processing method of coating of the present invention has the advantages that technology is simple, coating surface is bright and clean, the coating surface friction ractor is little.The present invention has teflon or the internally coated pump of F46, form by the pump housing 1 and teflon or F46 undercoating 2, on the flow-passing surface, the thickness a of teflon or F46 undercoating 2 is 0.1～50um in the pump of the pump housing 1 for teflon or 2 sprayings of F46 undercoating and sintering.The processing method of coating of the present invention is realized by following steps: one, pump is heated and is removed pump to 100-300 ℃ and (refer to pump housing flow-passing surface.The oil stain on surface down together); Two, the pump surface sand-blasting is handled, and the flow velocity of sandblast is 0.5-12s/m, and pressure is 0.3-0.6MPa, and the degree of finish on pump surface is the Sa2.5 level; Three, the pump after the surface treatment is heated to 320-380 ℃; Four, the teflon or the F46 coating of spraying bottom, coating thickness is 0.05～25um; Five, sintering film forming is carried out sintering with the pump that has sprayed teflon or F46 coating under 280～350 ℃ condition, sintering time is 2～4 hours; Six, cooling: the pump after the sintering film forming is cooled to 30～50 ℃; Seven, the surface layer of spraying teflon or F46 coating on the surface of the teflon of pump after the cooling or F46 underlying membrane, coating thickness is 0.05～25um; Eight, sintering: the pump that will spray teflon or F46 surface layer coating carries out sintering under 280～350 ℃ condition, and sintering time is to get final product in 2～4 hours.The teflon of flow-passing surface spraying or F46 coating surface sense organ homogeneous link up in the pump of the present invention, free of pinholes, and adhesion can reach the GB one-level, and the hardness one-level has good not viscosity, lubricity.Be applicable to water mixing pump, oil transfer pump, water injection pump that petroleum industry is used; The transfer pump of the soy sauce of food brewing industry, vinegar and raw material thereof; Chemical industry is used for the transfer pump of liquid such as conveyor belt is corrosive, strong acid, highly basic.The present invention has teflon or the internally coated pump of F46 and has that coating combines with the pump housing firmly, the self-lubricating property of the good endurance of the thin thickness of coating, coating, coating is good, stretch-proof is good, the advantage of high-low temperature resistant, non-scaling, and have fabulous drag reduction and an antiwear characteristic, the working life that can improve the pump housing greatly; The processing method of coating of the present invention has the advantage that coating surface is bright and clean, the coating surface friction ractor is little that technology is simple, process, pump of the present invention has the advantage of the labor intensity of pump efficiency height, the saving energy, the accessory of saving pump, reduction service worker through using proof.
Description of drawings
Fig. 1 is a structural representation of the present invention, and Fig. 2 is the A place enlarged view of Fig. 1.
Embodiment
Embodiment one: (referring to Fig. 1, Fig. 2) present embodiment has teflon or the internally coated pump of F46, form by the pump housing 1 and teflon or F46 undercoating 2, on the flow-passing surface, the thickness a of teflon or F46 undercoating 2 is 0.1～50um in the pump of the pump housing 1 for teflon or 2 sprayings of F46 undercoating and sintering.
Embodiment two: the thickness a of (referring to Fig. 1, Fig. 2) present embodiment teflon or F46 undercoating 2 is 0.1～10um.Other composition is identical with embodiment one with annexation.
Embodiment three: the thickness a of (referring to Fig. 1, Fig. 2) present embodiment teflon or F46 undercoating 2 is 11～30um.Other composition is identical with embodiment one with annexation.
Embodiment four: the thickness a of (referring to Fig. 1, Fig. 2) present embodiment teflon or F46 undercoating 2 is 31～50um.Other composition is identical with embodiment one with annexation.
Embodiment five: the thickness a of (referring to Fig. 1, Fig. 2) present embodiment teflon or F46 undercoating 2 is 5um.Other composition is identical with embodiment one with annexation.
Embodiment six: the processing method of (referring to Fig. 1, Fig. 2) present embodiment coating is realized by following steps: one, pump is heated and is removed pump to 100-300 ℃ and (refer to pump housing flow-passing surface.The oil stain on surface down together); Two, the pump surface sand-blasting is handled, and the flow velocity of sandblast is 0.5-12s/m, and pressure is 0.3-0.6MPa, and the degree of finish on pump surface is the Sa2.5 level; Three, the pump after the surface treatment is heated to 320-380 ℃; Four, the teflon or the F46 coating of spraying bottom, coating thickness is 0.05～25um; Five, sintering film forming is carried out sintering with the pump that has sprayed teflon or F46 coating under 280～350 ℃ condition, sintering time is 2～4 hours; Six, cooling: the pump after the sintering film forming is cooled to 30～50 ℃; Seven, the surface layer of spraying teflon or F46 coating on the surface of the teflon of pump after the cooling or F46 underlying membrane, coating thickness is 0.05～25um; Eight, sintering: the pump that will spray teflon or F46 surface layer coating carries out sintering under 280～350 ℃ condition, and sintering time is to get final product in 2～4 hours.
Embodiment seven: pump carries out sintering in the present embodiment step 5 under 290～340 ℃ condition.Other method is identical with embodiment six.
Embodiment eight: pump carries out sintering in the present embodiment step 5 under 300～320 ℃ condition.Other method is identical with embodiment six.
Embodiment eight: pump carries out sintering in the present embodiment step 5 under 310 ℃ condition.Other method is identical with embodiment six.
Claims (9)
1, a kind of teflon or internally coated pump of F46 of having, it is characterized in that having the internally coated pump of teflon or F46, form by the pump housing (1) and teflon or F46 undercoating (2), on the flow-passing surface, the thickness a of teflon or F46 undercoating (2) is 0.1～50um in the pump of the pump housing (1) for teflon or F46 undercoating (2) spraying and sintering.
2, teflon or the internally coated pump of F46 of having according to claim 1 is characterized in that the thickness a of teflon or F46 undercoating (2) is 0.1～10um.
3, teflon or the internally coated pump of F46 of having according to claim 1 is characterized in that the thickness a of teflon or F46 undercoating (2) is 11～30um.
4, teflon or the internally coated pump of F46 of having according to claim 1 is characterized in that the thickness a of teflon or F46 undercoating (2) is 31～50um.
5, teflon or the internally coated pump of F46 of having according to claim 1 is characterized in that the thickness a of teflon or F46 undercoating (2) is 5um.
6, the processing method that has the internally coated pump coating of teflon or F46 is characterized in that the processing method of coating is realized by following steps: one, pump is heated to the oil stain on 100-300 ℃ of removal pump surface; Two, the pump surface sand-blasting is handled, and the flow velocity of sandblast is 0.5-12s/m, and pressure is 0.3-0.6MPa, and the degree of finish on pump surface is the Sa2.5 level; Three, the pump after the surface treatment is heated to 320-380 ℃; Four, the teflon or the F46 coating of spraying bottom, coating thickness is 0.05～25um; Five, sintering film forming is carried out sintering with the pump that has sprayed teflon or F46 coating under 280～350 ℃ condition, sintering time is 2～4 hours; Six, cooling: the pump after the sintering film forming is cooled to 30～50 ℃; Seven, the surface layer of spraying teflon or F46 coating on the surface of the teflon of pump after the cooling or F46 underlying membrane, coating thickness is 0.05～25um; Eight, sintering: the pump that will spray teflon or F46 surface layer coating carries out sintering under 280～350 ℃ condition, and sintering time is to get final product in 2～4 hours.
7, the processing method that has teflon or the internally coated pump coating of F46 according to claim 6 is characterized in that pump carries out sintering in the step 5 under 290～340 ℃ condition.
8, the processing method that has teflon or the internally coated pump coating of F46 according to claim 6 is characterized in that pump carries out sintering in the step 5 under 300～320 ℃ condition.
9, the processing method that has teflon or the internally coated pump coating of F46 according to claim 6 is characterized in that pump carries out sintering in the step 5 under 310 ℃ condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610009941 CN1828062A (en) | 2006-04-19 | 2006-04-19 | Pump with polytetrafluoroethylene or F46 inner coating and method for processing the coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610009941 CN1828062A (en) | 2006-04-19 | 2006-04-19 | Pump with polytetrafluoroethylene or F46 inner coating and method for processing the coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1828062A true CN1828062A (en) | 2006-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610009941 Pending CN1828062A (en) | 2006-04-19 | 2006-04-19 | Pump with polytetrafluoroethylene or F46 inner coating and method for processing the coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1828062A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101583534A (en) * | 2007-01-12 | 2009-11-18 | 空中客车德国有限公司 | Coating of an aircraft seat mounting rail or a aircraft seat stud |
| CN101907142A (en) * | 2010-07-12 | 2010-12-08 | 芜湖伯特利汽车安全系统有限公司 | Brake caliper applied to motor vehicle brake system |
| CN102619753A (en) * | 2012-03-30 | 2012-08-01 | 大连易斯达汽车转向系统制造有限公司 | Power steering pump and pump body surface treatment process of power steering pump |
| CN104179720A (en) * | 2014-07-30 | 2014-12-03 | 苏州淮通电气有限公司 | Hydrophobic impeller submersible pump |
| CN104196759A (en) * | 2014-07-30 | 2014-12-10 | 苏州淮通电气有限公司 | Drain submerged pump |
| CN104329288A (en) * | 2013-10-26 | 2015-02-04 | 张立 | Split assembling type impeller structure |
| CN112813377A (en) * | 2020-12-30 | 2021-05-18 | 熔创金属表面科技(常州)有限公司 | Anti-corrosion antifriction coating of dry type screw vacuum pump and preparation method thereof |
| CN114087204A (en) * | 2021-11-30 | 2022-02-25 | 北京工大环能科技有限公司 | Low-pressure anti-condensation self-lubricating molten salt pump |
-
2006
- 2006-04-19 CN CN 200610009941 patent/CN1828062A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101583534A (en) * | 2007-01-12 | 2009-11-18 | 空中客车德国有限公司 | Coating of an aircraft seat mounting rail or a aircraft seat stud |
| CN101907142A (en) * | 2010-07-12 | 2010-12-08 | 芜湖伯特利汽车安全系统有限公司 | Brake caliper applied to motor vehicle brake system |
| CN102619753A (en) * | 2012-03-30 | 2012-08-01 | 大连易斯达汽车转向系统制造有限公司 | Power steering pump and pump body surface treatment process of power steering pump |
| CN104329288A (en) * | 2013-10-26 | 2015-02-04 | 张立 | Split assembling type impeller structure |
| CN104179720A (en) * | 2014-07-30 | 2014-12-03 | 苏州淮通电气有限公司 | Hydrophobic impeller submersible pump |
| CN104196759A (en) * | 2014-07-30 | 2014-12-10 | 苏州淮通电气有限公司 | Drain submerged pump |
| CN112813377A (en) * | 2020-12-30 | 2021-05-18 | 熔创金属表面科技(常州)有限公司 | Anti-corrosion antifriction coating of dry type screw vacuum pump and preparation method thereof |
| CN114087204A (en) * | 2021-11-30 | 2022-02-25 | 北京工大环能科技有限公司 | Low-pressure anti-condensation self-lubricating molten salt pump |
| CN114087204B (en) * | 2021-11-30 | 2024-02-09 | 北京工大环能科技有限公司 | Low-pressure anti-condensation self-lubricating molten salt pump |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Open date: 20060906 |