CN103834109B - A kind of lock packing used for oil extractor and preparation method thereof - Google Patents
A kind of lock packing used for oil extractor and preparation method thereof Download PDFInfo
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- CN103834109B CN103834109B CN201410110541.XA CN201410110541A CN103834109B CN 103834109 B CN103834109 B CN 103834109B CN 201410110541 A CN201410110541 A CN 201410110541A CN 103834109 B CN103834109 B CN 103834109B
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- lock packing
- polypropylene
- oil extractor
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
- Sealing Material Composition (AREA)
- Gasket Seals (AREA)
Abstract
The present invention discloses a kind of lock packing used for oil extractor and preparation method thereof, and lock packing comprises polypropylene 35 ~ 48 parts, rubber 20 ~ 46 parts, vulcanizing agent 4 ~ 10 parts, metal alloy and ceramic powder 4 ~ 14 parts, lubricant 4 ~ 10 parts; By polypropylene catalysis is obtained high tacticity polypropylene, improve the rigidity of isotatic polypropylene, modulus and erosion-resisting characteristics; Carry out modification with silicon rubber and nitrile rubber again and obtain multipolymer, chemical resistance and the creep resistant of multipolymer effectively promote, be particularly suitable for using in oil well complex environment, by further adding ceramic powder and composite metal powder, improve intensity and the rigidity modulus of material, for resisting the surging force produced in oil pumping process; The graphite added enhances the self-lubricating property of material, when lock packing needs to change, easy to operate, saves manpower.
Description
Technical field
The present invention relates to a kind of lock packing, particularly relate to a kind of lock packing formula used for oil extractor and preparation method thereof.
Background technology
Oil pumper is a kind of machinery equipment of recover petroleum, is commonly called as " machine of kowtowing ", makes oil go out well by the way of pressurization.Common oil pumper and walking-beam pumping unit are traditional pumping equipments of oil field widespread use, usually directly dragged by ordinary ac asynchronous motor, its crank band drives sucker rod with balance, drives downhole pump to fix pumping of cycle, the oil of down-hole is delivered to ground.
But the situation of down-hole oil reservoir is complicated especially, there are rich oil well, stripper, thin oil well and heavy oil wells not.Piston after oil pumper oil pump wearing and tearing itself and the gap leaking loss problem of lining are very scabrous, and the F of change such as, as also brought serious impact to oil pumper itself, burn into wearing and tearing etc. containing complexcase such as sand, wax, water, gas in oil.
Therefore propose higher requirement to lock packing, have good corrosion resistance nature, it is convenient to change, but current lock packing can't meet this requirement well.
Because the defect that above-mentioned existing lock packing used for oil extractor exists, the present inventor is based on being engaged in the practical experience and expertise that this type of product design manufacture enriches for many years, and coordinate the utilization of scientific principle, actively in addition research and innovation, to founding a kind of lock packing used for oil extractor and preparation method thereof, it is made to have more practicality.Through constantly research, design, and through repeatedly studying sample and after improving, finally creating the present invention had practical value.
Summary of the invention
Main purpose of the present invention is, overcomes the defect that existing oil pumping unit seal filler exists, provides a kind of lock packing used for oil extractor and preparation method thereof, lock packing has good corrosion resistance, long service life, thus be more suitable for practicality, and there is the utility value in industry.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to the lock packing used for oil extractor that the present invention proposes, comprise following component: polypropylene 35 ~ 48 parts, rubber 20 ~ 46 parts, vulcanizing agent 4 ~ 10 parts, metal alloy and ceramic powder 4 ~ 14 parts, lubricant 4 ~ 10 parts.
Concrete, aforesaid lock packing used for oil extractor, described polypropylene is high tacticity polypropylene, and the high tacticity polypropylene described in the application refers to the polypropylene of tacticity more than 95%;
Described rubber comprises 12 ~ 28 parts, silicon rubber and nitrile rubber 8 ~ 18 parts;
Described lubricant is graphite;
Described metal alloy and ceramic powder comprise cobalt-based wolfram varbide 1 ~ 6 part and zirconium white 3 ~ 8 parts.
Concrete, aforesaid lock packing used for oil extractor, described vulcanizing agent comprises 2 ~ 5 parts, sulphur and N '-penylene bismaleimides 2 ~ 5 parts.
Concrete, aforesaid lock packing used for oil extractor, described high tacticity polypropylene is obtained as catalyst by the mixture of triethyl aluminum and zinc ethyl.
Prepare the method for aforesaid lock packing used for oil extractor, the method comprises the steps:
1) high tacticity polypropylene is prepared in catalysis;
2) described high tacticity polypropylene and silicon rubber and nitrile rubber are carried out modification and obtain multipolymer;
3) vulcanizing agent, metal alloy and ceramic powder and lubricant are added respectively to the multipolymer that modification obtains, after reaction, obtain target product.
Concrete, the preparation method of aforesaid lock packing used for oil extractor, the mixture that catalyzer that high tacticity polypropylene adopts is triethyl aluminum and zinc ethyl is prepared in described catalysis.
Concrete, the preparation method of aforesaid lock packing used for oil extractor, the mol ratio of described zinc ethyl and triethyl aluminum is 1:20 ~ 1:50.
Concrete, the preparation method of aforesaid lock packing used for oil extractor, described catalysis is prepared high tacticity polypropylene and is carried out under 50 DEG C ~ 100 DEG C conditions.
Concrete, the preparation method of aforesaid lock packing used for oil extractor, described modification temperature is 130 DEG C ~ 170 DEG C.
Concrete, the preparation method of aforesaid lock packing used for oil extractor, described vulcanizing agent is sulphur and a N '-penylene bismaleimides;
Described metal alloy and ceramic powder are cobalt-based wolfram varbide and zirconium white;
Described lubricant is graphite;
Wherein said cobalt-based tungsten-carbide powder fineness is 50 ~ 200 μm, and Zirconium oxide powder fineness is 80 ~ 240 μm.
By technique scheme, a kind of lock packing used for oil extractor of the present invention and preparation method thereof at least has following advantages:
Lock packing used for oil extractor of the present invention, by polypropylene catalysis is obtained high tacticity polypropylene, improves the rigidity of isotatic polypropylene, modulus and erosion-resisting characteristics; Carry out modification with silicon rubber and nitrile rubber again and obtain multipolymer, chemical resistance and the creep resistant of multipolymer effectively promote, be particularly suitable for using in oil well complex environment, by further adding ceramic powder and composite metal powder, improve intensity and the rigidity modulus of material, for resisting the surging force produced in oil pumping process; The graphite added enhances the self-lubricating property of material, when lock packing needs to change, easy to operate, saves manpower.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technique means of the present invention, and can be implemented according to the content of specification sheets, be described in detail as follows below with preferred embodiment of the present invention.
Embodiment
For further setting forth the present invention for the technique means reaching predetermined goal of the invention and take and effect, to the one lock packing used for oil extractor proposed according to the present invention and preparation method thereof its embodiment, feature and effect thereof, be described in detail as follows.
Embodiment 1
Lock packing used for oil extractor disclosed by the invention, comprising 43 parts of tacticities is the polypropylene of 97%, 18 parts, silicon rubber, nitrile rubber 15 parts, 3 parts, sulphur, N '-penylene bismaleimides 3 parts, 8 parts, graphite, fineness to be the cobalt-based tungsten-carbide powder 6 parts of 100 μm and fineness the be Zirconium oxide powder 4 parts of 90 μm.
Prepare the method for lock packing used for oil extractor, comprise the steps:
1) high tacticity polypropylene is prepared in catalysis, wherein catalyzer is the mixture of triethyl aluminum and zinc ethyl, the mol ratio of zinc ethyl and triethyl aluminum is 1:35, and the polypropylene tacticity prepared is 97%, and temperature of reaction controls between 60 DEG C ~ 65 DEG C;
2) described high tacticity polypropylene and silicon rubber and nitrile rubber are carried out modification and obtain multipolymer, wherein controlling temperature of reaction is 135 DEG C ~ 145 DEG C;
3) multipolymer obtained modification adds vulcanizing agent sulphur and a N '-penylene bismaleimides, metal alloy and ceramic powder cobalt-based wolfram varbide and zirconium white and lubricant graphite respectively, obtains final target product lock packing after reaction.
By polypropylene catalysis is obtained high tacticity polypropylene, improve the rigidity of isotatic polypropylene, modulus and erosion-resisting characteristics; Carry out modification with silicon rubber and nitrile rubber again and obtain multipolymer, chemical resistance and the creep resistant of multipolymer effectively promote, be particularly suitable for using in oil well complex environment, by further adding ceramic powder and composite metal powder, improve intensity and the rigidity modulus of material, for resisting the surging force produced in oil pumping process; The graphite added enhances the self-lubricating property of material, when lock packing needs to change, easy to operate.
Embodiment 2
Lock packing used for oil extractor disclosed by the invention, comprising 41 parts of tacticities is the polypropylene of 97%, 20 parts, silicon rubber, nitrile rubber 13 parts, 4 parts, sulphur, N '-penylene bismaleimides 4 parts, 8 parts, graphite, fineness to be the cobalt-based tungsten-carbide powder 6 parts of 120 μm and fineness the be Zirconium oxide powder 4 parts of 150 μm.
Prepare the method for lock packing used for oil extractor, comprise the steps:
1) high tacticity polypropylene is prepared in catalysis, wherein catalyzer is the mixture of triethyl aluminum and zinc ethyl, the mol ratio of zinc ethyl and triethyl aluminum is 1:43, and the polypropylene tacticity prepared is 97%, and temperature of reaction controls between 60 DEG C ~ 65 DEG C;
2) described high tacticity polypropylene and silicon rubber and nitrile rubber are carried out modification and obtain multipolymer, wherein controlling temperature of reaction is 145 DEG C ~ 150 DEG C;
3) multipolymer obtained modification adds vulcanizing agent sulphur and a N '-penylene bismaleimides, metal alloy and ceramic powder cobalt-based wolfram varbide and zirconium white and lubricant graphite respectively, obtains final target product lock packing after reaction.
By polypropylene catalysis is obtained high tacticity polypropylene, improve the rigidity of isotatic polypropylene, modulus and erosion-resisting characteristics; Carry out modification with silicon rubber and nitrile rubber again and obtain multipolymer, chemical resistance and the creep resistant of multipolymer effectively promote, be particularly suitable for using in oil well complex environment, by further adding ceramic powder and composite metal powder, improve intensity and the rigidity modulus of material, for resisting the surging force produced in oil pumping process; The graphite added enhances the self-lubricating property of material, when lock packing needs to change, easy to operate.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (9)
1. a lock packing used for oil extractor, is characterized in that, comprises following component: polypropylene 35 ~ 48 parts, rubber 20 ~ 46 parts, vulcanizing agent 4 ~ 10 parts, metal alloy and ceramic powder 4 ~ 14 parts, lubricant 4 ~ 10 parts; Described polypropylene is high tacticity polypropylene;
Described rubber comprises 12 ~ 28 parts, silicon rubber and paracril 8 ~ 18 parts;
Described lubricant is graphite;
Described metal alloy and ceramic powder comprise cobalt-based wolfram varbide 1 ~ 6 part and zirconium white 3 ~ 8 parts.
2. lock packing used for oil extractor according to claim 1, is characterized in that, described vulcanizing agent comprises 2 ~ 5 parts, sulphur and N, N '-penylene bismaleimides 2 ~ 5 parts.
3. lock packing used for oil extractor according to claim 1, is characterized in that, described high tacticity polypropylene is obtained as catalyst by the mixture of triethyl aluminum and zinc ethyl.
4. prepare the method for the lock packing used for oil extractor described in any one of claims 1 to 3, it is characterized in that, the method comprises the steps:
1) high tacticity polypropylene is prepared in catalysis;
2) described high tacticity polypropylene and silicon rubber and paracril are carried out modification and obtain multipolymer;
3) vulcanizing agent, metal alloy and ceramic powder and lubricant are added respectively to the multipolymer that modification obtains, after reaction, obtain target product.
5. the preparation method of lock packing used for oil extractor according to claim 4, is characterized in that, it is the mixture of triethyl aluminum and zinc ethyl that the catalyzer that high tacticity polypropylene adopts is prepared in described catalysis.
6. the preparation method of lock packing used for oil extractor according to claim 5, is characterized in that, the mol ratio of described zinc ethyl and triethyl aluminum is 1:20 ~ 1:50.
7. the preparation method of the lock packing used for oil extractor according to claim 5 or 6, is characterized in that, described catalysis is prepared high tacticity polypropylene and carried out under 50 DEG C ~ 100 DEG C conditions.
8. the preparation method of lock packing used for oil extractor according to claim 4, is characterized in that, described modification temperature is 130 DEG C ~ 170 DEG C.
9. the preparation method of lock packing used for oil extractor according to claim 4, is characterized in that, described vulcanizing agent is sulphur and N, N '-penylene bismaleimides;
Described metal alloy and ceramic powder are cobalt-based wolfram varbide and zirconium white;
Described lubricant is graphite;
Wherein said cobalt-based tungsten-carbide powder fineness is 50 ~ 200 μm, and Zirconium oxide powder fineness is 80 ~ 240 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410110541.XA CN103834109B (en) | 2014-03-24 | 2014-03-24 | A kind of lock packing used for oil extractor and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410110541.XA CN103834109B (en) | 2014-03-24 | 2014-03-24 | A kind of lock packing used for oil extractor and preparation method thereof |
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| Publication Number | Publication Date |
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| CN103834109A CN103834109A (en) | 2014-06-04 |
| CN103834109B true CN103834109B (en) | 2016-02-03 |
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| CN201410110541.XA Expired - Fee Related CN103834109B (en) | 2014-03-24 | 2014-03-24 | A kind of lock packing used for oil extractor and preparation method thereof |
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| CN110144121A (en) * | 2019-05-21 | 2019-08-20 | 于世强 | A kind of oil pumping cabinet carbon silicone oil envelope |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1374340A (en) * | 2002-04-08 | 2002-10-16 | 刘建中 | Plastic alloy |
| CN101845176A (en) * | 2010-06-09 | 2010-09-29 | 刘琳娇 | Automobile anticollision material |
| CN102260392A (en) * | 2011-07-14 | 2011-11-30 | 金发科技股份有限公司 | Low-precipitation thermoplastic elastomer and preparation method thereof |
| CN102786740A (en) * | 2012-07-26 | 2012-11-21 | 湖北祥源新材科技有限公司 | A-level fire-protection energy-saving rubber-plastic compound building insulation material and preparation method thereof |
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2014
- 2014-03-24 CN CN201410110541.XA patent/CN103834109B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1374340A (en) * | 2002-04-08 | 2002-10-16 | 刘建中 | Plastic alloy |
| CN101845176A (en) * | 2010-06-09 | 2010-09-29 | 刘琳娇 | Automobile anticollision material |
| CN102260392A (en) * | 2011-07-14 | 2011-11-30 | 金发科技股份有限公司 | Low-precipitation thermoplastic elastomer and preparation method thereof |
| CN102786740A (en) * | 2012-07-26 | 2012-11-21 | 湖北祥源新材科技有限公司 | A-level fire-protection energy-saving rubber-plastic compound building insulation material and preparation method thereof |
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| CN103834109A (en) | 2014-06-04 |
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