CN102500537A - Preparation method for anticorrosion wear-resistant anti-scaling plunger of oil well pump - Google Patents
Preparation method for anticorrosion wear-resistant anti-scaling plunger of oil well pump Download PDFInfo
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- CN102500537A CN102500537A CN2011103660974A CN201110366097A CN102500537A CN 102500537 A CN102500537 A CN 102500537A CN 2011103660974 A CN2011103660974 A CN 2011103660974A CN 201110366097 A CN201110366097 A CN 201110366097A CN 102500537 A CN102500537 A CN 102500537A
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Abstract
The invention relates to a preparation method for an anticorrosion wear-resistant anti-scaling plunger of an oil well pump, which belongs to the technical field of machining of petroleum equipment. Components of composite polyaryletherketone powder coatings include 70-99% of polyaryletherketone, 1-30% of fluororesin and 0-6% of inorganic particles. The preparation method includes the steps: blasting sand on the surface of the plunger; spraying a layer of pure polyaryletherketone powder coatings for the surface of the plunger by means of electrostatic spraying technology; melting the pure polyaryletherketone powder coatings in a drying oven; spraying a layer of composite polyaryletherketone powder coatings by means of thermal static electricity and melting the composite polyaryletherketone powder coatings in the drying oven; and preserving heat for 30-90 minutes at the temperature of 220-300 DEG C and then cooling the plunger to room temperature. The process flow of the preparation method can be reasonably controlled, operation is simple, the coatings are fine in adhesion and excellent in corrosion resistance, wear resistance and non-sticky performance, the service life of the plunger is prolonged, the workload of pump inspection is reduced, and accordingly, the ultimate purposes of reducing oil extraction cost and saving oil extraction time are achieved.
Description
Technical field
The present invention relates to a kind of preparation method of anticorrosion antiwear good antiscale property oil pump plunger piston, belong to the oil equipment manufacture field.
Background technology
Oil well pump is to use capital equipment in China's field produces, and it mainly contains pump barrel, plunger, pump valve compositions such as (inlet valve, dump valves).Its concise and to the point operation principle is: power is delivered to the down-hole plunger from pumpingh well, and it is moved reciprocatingly, and oil is thus lifted to ground from the down-hole along oil pipe.Plunger one is that oil well pump has been accomplished a circulation on next.This circulation causes plunger to be worn easily and corrodes in the application process.In addition; Domestic oil field gets into the high water-cut development later stage, because the high factor affecting such as media environment that contain sand, high moisture, high mineral degree, polymer injection exploitation and deep-etching have increased the weight of the corrosion of plunger; More be prone to fouling on plunger; Thereby cause plunger displacement pump short service life, pump detection period is short, workload is big, and cost for oil production increases.Oil pump plunger piston surface intensified technique in the past mainly contains the coat of metal, ceramic coating, some other coating; Though slowed down wearing and tearing to a certain extent; Improved corrosion resistance, but all existed weak point, for example: the easy layering of the coat of metal causes coming off; The pottery shock resistance is poor, easy chipping phenomenon; Some polymer coating mechanics and hot property difference etc.
The prior art the most close with the present invention is 200910196721.3.
Summary of the invention
The present invention will solve to such an extent that technical problem is, utilizes the PAEK compo as the oil pump plunger piston face coat, develops the oil pump plunger piston with rub resistance wearing and tearing, anticorrosion, good antiscale property.
The present invention sprays compound PAEK powdery paints in existing oil pump plunger piston body surfaces, processes the oil pump plunger piston of rub resistance wearing and tearing, anticorrosion, good antiscale property.
The preparation method of a kind of anticorrosion antiwear good antiscale property oil pump plunger piston provided by the invention has following steps:
1) the compound PAEK powdery paints of configuration has the following component in the quality percentage composition: PAEK 70～99%, fluororesin 1～30%, inorganic particle 0～6%;
2) plunger surface is carried out blasting treatment: to surperficial metal spraying emery, remove surface oxide layer with sand-blasting machine, and cleaning-drying;
3) the utilization Electrostatic Spray Technology is to the pure PAEK powdery paints of plunger surface spraying one deck; The electrostatic spraying condition is following: electrostatic high-pressure 40～90kV; Electrostatic induced current 10-20 μ A supplies powder air pressure 0.25～0.55MPa, secondary air air pressure 0.25～0.45MPa; Fluidisation air pressure 0.04～0.10MPa, workpiece is apart from gun slot 150～300mm;
4) plunger that the surface is sprayed pure PAEK powdery paints places baking oven, and temperature is controlled at 370～400 ℃, makes the fusion of pure PAEK powdery paints;
5) then plunger is taken out from baking oven, set by step 3 the electrostatic spraying condition compound PAEK powdery paints of electrostatic spraying one deck while hot again;
6) repeating step 4, make the fusion of compound PAEK powdery paints;
7) be cooled to 220～300 ℃, be incubated 30～90 minutes again, be cooled to room temperature at last.
In the preparation method of above-mentioned anticorrosion antiwear good antiscale property oil pump plunger piston, described PAEK can be polyether-ketone, polyether-ether-ketone or polyether ether ketone ketone, and particle diameter is between 30～150 μ m; Described fluororesin can be polytetrafluoroethylene (PTFE) or perfluoroethylene-propylene, and particle diameter is between 3～20 μ m; Described inorganic particle can be MoS
2, Al
2O
3, SiC or CuS, granularity is micron order and/or nanoscale.
In the preparation method of above-mentioned anticorrosion antiwear good antiscale property oil pump plunger piston, 2) in the step blasting treatment, Buddha's warrior attendant Grains number can be 30～80 orders; 3) in the step, the pure PAEK powdery paints thickness of spraying can be at 60～100 microns; 4) in the step, the pure PAEK powdery paints melting time can be at 10～30 minutes; 5) in the step, the compound PAEK powdery paints thickness of spraying can be at 40～100 microns.
The present invention has the following advantages:
1, technological process can rationally be controlled, and is simple to operate.
2, the coating adhesion after the spraying is good, according to GB1720-79 the iron plate that is coated with compound PAEK coating is carried out the adhesive force test, and coating adhesion is 1～2 grade.
3, coating antiseptic loses excellent performance, the iron plate that is coated with compound PAEK coating is placed on respectively carries out corrosion test in the different media: (1) saturated NaCl solution; The sulfuric acid solution of (2) 10% mass fractions; The sodium hydroxide solution of (3) 10% mass fractions, sample soak 72h respectively in these media after, the range estimation sample does not have peeling, obscission.
4, coating wear-resistant unsticky excellent performance, main because the anti-wear performance of PAEK itself is fine, the adding of fluororesin makes coefficient of friction descend, surperficial can the reduction, and water contact angle is between 110～120 °, viscosity can not improve.
5, plunger provided by the invention can increase about plunger time between overhauls(TBO) to 4～6 month, is 3～4 times of existing common plunger, improves service life, has reduced the workload of inspection pump, thereby has reached the reduction cost for oil production, practices thrift the final purpose of oil recovery time.
The specific embodiment
Embodiment 1
A kind of preparation method of oil pump plunger piston may further comprise the steps:
1, a kind of configuration of compound PAEK coating, this coating comprise following component in the quality percentage composition: polyether-ketone 70%, polytetrafluoroethylene (PTFE) 30%;
2, plunger surface is carried out blasting treatment: to surperficial metal spraying emery, remove surface oxide layer with sand-blasting machine, Buddha's warrior attendant Grains number is 30 orders, and cleaning-drying;
3, the utilization Electrostatic Spray Technology evenly sprays the pure polyether-ether-ketone coating of one deck to plunger surface, and thickness is at 60～100 microns;
4, place baking oven, temperature to be controlled at 380 ℃ workpiece (being plunger), the time was controlled at 30 minutes, made the coating fusion;
5, then workpiece is taken out from baking oven, use Electrostatic Spray Technology to spray the compound PAEK coating described in one deck step 1 while hot again, thickness is at 40～100 microns;
6, repeating step 4;
7, be cooled to 280 ℃, be incubated 60 minutes again, be cooled to room temperature at last.
Embodiment 2
A kind of preparation method of oil pump plunger piston may further comprise the steps:
1, a kind of configuration of compound PAEK coating, this coating comprise following component in the quality percentage composition: polyether-ether-ketone 99%, perfluoroethylene-propylene 1%;
2, plunger surface is carried out blasting treatment: to surperficial metal spraying emery, remove surface oxide layer with sand-blasting machine, Buddha's warrior attendant Grains number is 46 orders, and cleaning-drying;
3, the utilization Electrostatic Spray Technology evenly sprays the pure polyether-ether-ketone coating of one deck to plunger surface, and thickness is at 60～100 microns;
4, place baking oven, temperature to be controlled at 400 ℃ workpiece (being plunger), the time was controlled at 10 minutes, made the coating fusion;
5, then workpiece is taken out from baking oven, use Electrostatic Spray Technology to spray the compound PAEK coating described in one deck step 1 while hot again, thickness is at 40～100 microns;
6, repeating step 4;
7, be cooled to 300 ℃, be incubated 30 minutes again, be cooled to room temperature at last.
Embodiment 3
A kind of preparation method of oil pump plunger piston may further comprise the steps:
1, a kind of configuration of compound PAEK coating, this coating comprise following component in the quality percentage composition: polyether ether ketone ketone 74%, polytetrafluoroethylene (PTFE) 20%, Al
2O
36%;
2, plunger surface is carried out blasting treatment: to surperficial metal spraying emery, remove surface oxide layer with sand-blasting machine, Buddha's warrior attendant Grains number is 80 orders, and cleaning-drying;
3, the utilization Electrostatic Spray Technology evenly sprays the pure polyether ether ketone ketone coating of one deck to plunger surface, and thickness is at 60～100 microns;
4, place baking oven, temperature to be controlled at 385 ℃ workpiece (being plunger), the time was controlled at 15 minutes, made the coating fusion;
5, then workpiece is taken out from baking oven, use Electrostatic Spray Technology to spray the compound PAEK coating described in one deck step 1 while hot again, thickness is at 40～100 microns;
6, repeating step 4;
7, be cooled to 260 ℃, be incubated 90 minutes again, cool to room temperature at last with the furnace.
Embodiment 4
A kind of preparation method of oil pump plunger piston may further comprise the steps:
1, a kind of configuration of compound PAEK coating, this coating comprise following component in the quality percentage composition: polyether ether ketone ketone 93%, perfluoroethylene-propylene 1%, MoS
26%;
2, plunger surface is carried out blasting treatment: to surperficial metal spraying emery, remove surface oxide layer with sand-blasting machine, Buddha's warrior attendant Grains number is 46 orders, and cleaning-drying;
3, the utilization Electrostatic Spray Technology evenly sprays the pure polyether ether ketone ketone coating of one deck to plunger surface, and thickness is at 60～100 microns;
4, place baking oven, temperature to be controlled at 390 ℃ workpiece (being plunger), the time was controlled at 10 minutes, made the coating fusion;
5, then workpiece is taken out from baking oven, use Electrostatic Spray Technology to spray the compound PAEK coating described in one deck step 1 while hot again, thickness is at 40～100 microns;
6, repeating step 4;
7, be cooled to 240 ℃, be incubated 90 minutes again, be cooled to room temperature at last.
Embodiment 5
A kind of preparation method of oil pump plunger piston may further comprise the steps:
1, a kind of configuration of compound PAEK coating, this coating comprise following component in the quality percentage composition: polyether-ether-ketone 89%, and perfluoroethylene-propylene 10%, SiC 1%;
2, plunger surface is carried out blasting treatment: to surperficial metal spraying emery, remove surface oxide layer with sand-blasting machine, Buddha's warrior attendant Grains number is 46 orders, and cleaning-drying;
3, the utilization Electrostatic Spray Technology evenly sprays the pure polyether-ether-ketone coating of one deck to plunger surface, and thickness is at 60～100 microns;
4, place baking oven, temperature to be controlled at 395 ℃ workpiece (being plunger), the time was controlled at 10 minutes, made the coating fusion;
5, then workpiece is taken out from baking oven, use Electrostatic Spray Technology to spray the compound PAEK coating described in one deck step 1 while hot again, thickness is at 40～100 microns;
6, repeating step 4;
7, be cooled to 240 ℃, be incubated 90 minutes again, be cooled to room temperature at last.
Embodiment 6
A kind of preparation method of oil pump plunger piston may further comprise the steps:
1, a kind of configuration of compound PAEK coating, this coating comprise following component in the quality percentage composition: polyether-ether-ketone 87%, and perfluoroethylene-propylene 10%, CuS 3%;
2, plunger surface is carried out blasting treatment: to surperficial metal spraying emery, remove surface oxide layer with sand-blasting machine, Buddha's warrior attendant Grains number is 46 orders, and cleaning-drying;
3, the utilization Electrostatic Spray Technology evenly sprays the pure polyether-ether-ketone coating of one deck to plunger surface, and thickness is at 60～100 microns;
4, place baking oven, temperature to be controlled at 395 ℃ workpiece (being plunger), the time was controlled at 15 minutes, made the coating fusion;
5, then workpiece is taken out from baking oven, use Electrostatic Spray Technology to spray the compound PAEK coating described in one deck step 1 while hot again, thickness is at 40～100 microns;
6, repeating step 4;
7, be cooled to 220 ℃, be incubated 50 minutes again, be cooled to room temperature at last.
Claims (3)
1. the preparation method of an anticorrosion antiwear good antiscale property oil pump plunger piston has following steps:
1) the compound PAEK powdery paints of configuration has following component in the quality percentage composition: PAEK 70～99%, fluororesin 1～30%, inorganic particle 0～6%;
2) plunger surface is carried out blasting treatment: to surperficial metal spraying emery, remove surface oxide layer with sand-blasting machine, and cleaning-drying;
3) the utilization Electrostatic Spray Technology is to the pure PAEK powdery paints of plunger surface spraying one deck; The electrostatic spraying condition is following: electrostatic high-pressure 40～90kV; Electrostatic induced current 10-20 μ A supplies powder air pressure 0.25～0.55MPa, secondary air air pressure 0.25～0.45MPa; Fluidisation air pressure 0.04～0.10MPa, workpiece is apart from gun slot 150～300mm;
4) plunger that the surface is sprayed pure PAEK powdery paints places baking oven, and temperature is controlled at 370～400 ℃, makes the fusion of pure PAEK powdery paints;
5) then plunger is taken out from baking oven, set by step 3 the electrostatic spraying condition compound PAEK powdery paints of electrostatic spraying one deck while hot again;
6) repeating step 4, make the fusion of compound PAEK powdery paints;
7) be cooled to 220～300 ℃, be incubated 30～90 minutes again, be cooled to room temperature at last.
2. the preparation method of anticorrosion antiwear good antiscale property oil pump plunger piston according to claim 1 is characterized in that, described PAEK is polyether-ketone, polyether-ether-ketone or polyether ether ketone ketone, and particle diameter is between 30～150 μ m; Described fluororesin is polytetrafluoroethylene (PTFE) or perfluoroethylene-propylene, and particle diameter is between 3～20 μ m; Described inorganic particle is MoS
2, Al
2O
3, SiC or CuS, granularity is micron order and/or nanoscale.
3. the preparation method of anticorrosion antiwear good antiscale property oil pump plunger piston according to claim 1 and 2 is characterized in that 2) in the step blasting treatment, Buddha's warrior attendant Grains number is 30～80 orders; 3) in the step, the pure PAEK powdery paints thickness of spraying is at 60～100 microns; 4) in the step, the pure PAEK powdery paints melting time was at 10～30 minutes; 5) in the step, the compound PAEK powdery paints thickness of spraying is at 40～100 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110366097.4A CN102500537B (en) | 2011-11-18 | 2011-11-18 | Preparation method for anticorrosion wear-resistant anti-scaling plunger of oil well pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110366097.4A CN102500537B (en) | 2011-11-18 | 2011-11-18 | Preparation method for anticorrosion wear-resistant anti-scaling plunger of oil well pump |
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| CN102500537A true CN102500537A (en) | 2012-06-20 |
| CN102500537B CN102500537B (en) | 2014-01-01 |
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ID=46212703
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|---|---|---|---|
| CN201110366097.4A Active CN102500537B (en) | 2011-11-18 | 2011-11-18 | Preparation method for anticorrosion wear-resistant anti-scaling plunger of oil well pump |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084321A (en) * | 2013-01-19 | 2013-05-08 | 大连理工大学 | Preparation process for nanometer perfluorocarbon composite coating |
| CN103586175A (en) * | 2013-11-25 | 2014-02-19 | 大连路阳科技开发有限公司 | Electrostatic coating method for polyether-ether-ketone powder |
| CN104774524A (en) * | 2015-04-27 | 2015-07-15 | 吉林省中研高性能工程塑料股份有限公司 | Polyether-ether-ketone powder coating and preparation method thereof |
| CN107931076A (en) * | 2017-11-30 | 2018-04-20 | 安徽雷萨重工机械有限公司 | A kind of method for lifting clump weight surface abrasion resistance |
| CN110425325A (en) * | 2019-08-05 | 2019-11-08 | 浙江横浦科技有限公司 | A kind of the anti-of suitable for low temperature environment congeals fluoroplastics lining glue valve |
| CN110694882A (en) * | 2019-11-04 | 2020-01-17 | 宁波市扬天磁能科技有限公司 | Scale-proof heating pipe inner wall coating and processing technology thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1256175A (en) * | 1998-09-23 | 2000-06-14 | 坎姆科国际公司 | Hot spray of polymerization material |
| JP2000229373A (en) * | 1999-02-12 | 2000-08-22 | Nikken Toso Kogyo Kk | Metal having chemical-resistant film and formation thereof |
| JP2007175881A (en) * | 2005-12-26 | 2007-07-12 | Nikken Toso Kogyo Kk | Super-engineering plastic laminated film and flame spray film forming method by compounding |
| CN101249491A (en) * | 2008-03-19 | 2008-08-27 | 蔡国华 | Method for jet printing polyetheretherketone on metallic products surface |
-
2011
- 2011-11-18 CN CN201110366097.4A patent/CN102500537B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1256175A (en) * | 1998-09-23 | 2000-06-14 | 坎姆科国际公司 | Hot spray of polymerization material |
| JP2000229373A (en) * | 1999-02-12 | 2000-08-22 | Nikken Toso Kogyo Kk | Metal having chemical-resistant film and formation thereof |
| JP2007175881A (en) * | 2005-12-26 | 2007-07-12 | Nikken Toso Kogyo Kk | Super-engineering plastic laminated film and flame spray film forming method by compounding |
| CN101249491A (en) * | 2008-03-19 | 2008-08-27 | 蔡国华 | Method for jet printing polyetheretherketone on metallic products surface |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084321A (en) * | 2013-01-19 | 2013-05-08 | 大连理工大学 | Preparation process for nanometer perfluorocarbon composite coating |
| CN103586175A (en) * | 2013-11-25 | 2014-02-19 | 大连路阳科技开发有限公司 | Electrostatic coating method for polyether-ether-ketone powder |
| CN104774524A (en) * | 2015-04-27 | 2015-07-15 | 吉林省中研高性能工程塑料股份有限公司 | Polyether-ether-ketone powder coating and preparation method thereof |
| CN104774524B (en) * | 2015-04-27 | 2017-01-18 | 吉林省中研高性能工程塑料股份有限公司 | Polyether-ether-ketone powder coating and preparation method thereof |
| CN107931076A (en) * | 2017-11-30 | 2018-04-20 | 安徽雷萨重工机械有限公司 | A kind of method for lifting clump weight surface abrasion resistance |
| CN110425325A (en) * | 2019-08-05 | 2019-11-08 | 浙江横浦科技有限公司 | A kind of the anti-of suitable for low temperature environment congeals fluoroplastics lining glue valve |
| CN110425325B (en) * | 2019-08-05 | 2021-09-10 | 台州清能环保有限公司 | Anti-freezing fluoroplastic lining rubber valve suitable for low-temperature environment |
| CN110694882A (en) * | 2019-11-04 | 2020-01-17 | 宁波市扬天磁能科技有限公司 | Scale-proof heating pipe inner wall coating and processing technology thereof |
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