CN101100599A - Oil soluble high-concentration pour depressant suspension and preparation method thereof - Google Patents
Oil soluble high-concentration pour depressant suspension and preparation method thereof Download PDFInfo
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- CN101100599A CN101100599A CNA2006100906844A CN200610090684A CN101100599A CN 101100599 A CN101100599 A CN 101100599A CN A2006100906844 A CNA2006100906844 A CN A2006100906844A CN 200610090684 A CN200610090684 A CN 200610090684A CN 101100599 A CN101100599 A CN 101100599A
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Abstract
An oil-soluble and high-concentration depressant suspension and its production are disclosed. It consists of inert fluid substance 35-65 wt%, dispersant 2-18 wt% and depressant polymer powder 20-60 wt%. The process is carried out by: mixing polymer powder with dispersant powder proportionally by powder mixer, adding mixed powders into inert fluid substance proportionally and agitating to obtain final product. The effective-ingredient content is more than 30-60 wt%, appearance viscosity is decreased below 1500mPa.s at 20s-1 hr, flash point is greater than 120 deg. C. It has better storage and transportation performances of depressant.
Description
Technical field
The present invention is a kind of oil soluble high-concentration pour depressant suspension of oil product pour point depression and preparation method thereof, relates to general chemical process and tubing system technical field.
Background technology
Crude oil is a kind of multi-component complicated hydrocarbon mixture that contains paraffin, contains the colloid and the bituminous matter of some amount in addition.Paraffin easily is dissolved in the crude oil, and crude oil can be separated out the wax crystalline substance when temperature reduces, and along with temperature constantly descends, the wax crystalline substance increases, and finally forms tridimensional network, and crude oil is lost flowability, and brings very big difficulty for the exploitation and the conveying of oil.The wax content in crude oil that China produces is generally higher, and major part belongs to paraffinic crude.The characteristics of this quasi-oil are the condensation point height, and big, mobile poor, the defeated difficulty of pipe of apparent viscosity all adopts by the station heating usually and carries during low temperature, and Ministry Of Fuel And Power power consumes higher.
From reducing energy consumption and production costs, in crude oil, add chemical pour point depressant and be realize that crude oil normal temperature carries the easiest and effective means.Pour point depressant not only can reduce condensation point of crude oil, and can reduce viscosity of crude, thereby reaches energy saving purposes.Therefore, for the defeated industry of pipe, pour point depressant with a very important position.The pour point depressant for crude oil that in waxy crude oil, adds trace, paraffin in pour point depressant and the crude oil reticulates structure by prevention wax crystalline forms such as interactions, produce the pour-viscosity reduction effect, improve the effect of crude oil low-temperature fluidity, thereby reach the purpose that waxy crude oil is carried at normal temperatures.
The pour point depressant product of being used widely at present is that the polymkeric substance as pour point depressant is dissolved under the situation of high-temperature stirring in diesel oil or other organic solvent, corresponding pour point depressant product active constituent content lower (about 8～15%), normal temperature is the thickness jelly of flow difficulties down, needs heat fused during use.Comprehensively above-mentioned, present pour point depressant product exists that the transport amount is big, potential safety hazard is big, shortcoming such as the slow and application art complexity of dissolution rate in oil and products thereof in actual application.
Summary of the invention
The objective of the invention is to invent a kind of a kind of oil soluble high-concentration pour depressant suspension and the preparation method that can improve content of effective in the pour point depressant product, raising safety performance, the apparent viscosity that reduces product, raising product dissolution rate in oil product of oil product pour point depression.
The present invention's oil soluble high-concentration pour depressant suspension does not re-use combustible materials such as diesel oil and organic solvent, but select the higher inertia chemical substance of flash-point as using or the injection carrier, make content of effective raising in the pour point depressant product on the one hand, the apparent viscosity of pour point depressant product is reduced, thereby can effectively overcome the shortcoming that existing gluey pour point depressant exists, improve storage, transportation and the use properties of pour point depressant product greatly.It is by being to account for 35～65% inert fluid material in 100%, account for 2～18% dispersion agent and account for 20～60% pour point depressant polymer powder to form in gross weight.For stable performance, also can be added in gross weight in the suspension that inert fluid material, dispersion agent and pour point depressant polymer powder are formed is to account for 0～7% thickening material in 100% or account for 0～3% stablizer.
Wherein said inert fluid material can be selected polyester for use, polyethers, pure or multiple lipid acid and derivative thereof, specifically comprise poly-unsaturated acid alkyl ester, alkylphenol polyoxyethylene, the alkylphenol polyethenoxy ether, alkyl polyoxyethylene ether, the alkyl polyethenoxy ether, fatty alcohol-polyoxyethylene ether, fatty alcohol polyoxypropylene ether, alkylphenol polyoxyethylene polyoxypropylene ether, the fatty alcohol polyoxypropylene Soxylat A 25-7, alkyl polyoxyethylene polyoxypropylene ether, fatty acid polyglycol oxypropylene polyoxyethylene ester, the heptyl phenol polyethenoxy ether, heptyl phenol polyethenoxy ether, polyoxyethylene octylphenol ether, the octyl phenol polyethenoxy ether, polyoxyethylene nonylphenol ether, nonyl phenol poly-oxypropylene ether, the lauric acid polyoxyethylene ester, lauric acid polyoxypropylene ester, butanols, ethylene glycol, third youngster's alcohol, lipid acid, polyoxyethylene carboxylate, fatty acid polyglycol oxypropylene ester, fatty acid methyl ester, fatty acid pentaerythritol ester, lipid acid trishydroxymethyl propyl ester or their mixture.
Described dispersion agent is the ultra-micro powder of multiple inorganic, organic or natural plant, comprises calcium stearate, Magnesium Stearate, talcum powder, lime carbonate, mica powder, pigment dyestuff, polyacrylamide, Mierocrystalline cellulose or derivatives thereof, guar gum, field mountain valley with clumps of trees and bamboo powder, Rhizoma amorphophalli powder.
Described thickening material is various kinds of resin and paraffin and modified material thereof, comprises Gum Rosin, modified rosin resin, terpine resin, pinene resin, petroleum resin, phenolic resin, alkene phenol resins, paraffin, clorafin.
Described stablizer is multiple the pour point depressant polymkeric substance to be played the material of wetting or solvency action, comprises octanol, diesel oil, kerosene, normal heptane, normal hexane, hexanaphthene, benzene,toluene,xylene, sherwood oil.
The preparation method of above-mentioned a kind of oil soluble high-concentration pour depressant suspension, be that at first to use powder mixer will account for 20～60% polymer powder in gross weight even with the dispersion agent powder thorough mixing that accounts for 2～18%, then the mixed powder of these two kinds of compositions is joined and account in 35～65% the inert fluid material, obtain this pour depressant suspension product after fully stirring.If add thickening material or stablizer, then be behind the mixture that obtains polymer powder and dispersion agent powder, in proportion thickening material is added in the inert fluid, fully stir, make thickening material be dissolved in the fluid fully; In the above-mentioned inert fluid that has added thickening material, add a certain proportion of stablizer then, add the pour point depressant polymer powder that is mixed with dispersion agent to above-mentioned system at last, obtain this pour depressant suspension product after fully stirring.
Embodiment
Embodiment. this routine proportioning components is: inert fluid alkylphenol and oxyethane polycondensate as pour point depressant use or injection carrier account for 61.8%; The thickening material pinene resin accounts for 1.9%, and the stablizer normal heptane accounts for 1.3%, and the dispersion agent calcium stearate accounts for 5.25%, and pour point depressant ethylene-vinyl acetate polymer powder accounts for 29.75%.
At first use the powder mixer will be as the ethylene-vinyl acetate polymer powder of pour point depressant with even as the calcium stearate powder thorough mixing of dispersion agent, therein ethylene-vinyl acetate polymer powder accounts for 29.75% of gross weight, and the calcium stearate powder accounts for 5.25%; Secondly in proportion the thickening material pinene resin is added inert fluid alkylphenol and the oxyethane polycondensate that uses or inject carrier as pour point depressant, fully stir, make pinene resin be dissolved in the fluid fully, wherein pinene resin accounts for 1.9% of gross weight, and alkylphenol and oxyethane polycondensate account for 61.8%; In above-mentioned alkylphenol that has added pinene resin and oxyethane polycondensate, add 1.3% normal heptane stablizer then.Add the ethylene-vinyl acetate polymer powder that has been mixed with the dispersion agent calcium stearate to above-mentioned system at last, but get the pour depressant suspension product of stably stored after fully stirring.This sample normal temperature down cut speed 20s
-1The time apparent viscosity be 1300mPa.s, flash-point is higher than 120 ℃.
The present invention is owing to select the higher inertia chemical substance of flash-point as using or injecting carrier, makes in the pour point depressant product content of effective bring up to 30～60% on the one hand, makes the apparent viscosity of pour point depressant product be reduced to normal temperature down cut speed 20s simultaneously
-1The time below the 1500mPa.s, flash-point is higher than 120 ℃, thereby can effectively overcome the shortcoming that existing gluey pour point depressant exists, improve storage, transportation and the use properties of pour point depressant product greatly, reduce the transport amount, improve safety performance, improve the dissolution rate of product in oil product, simplify the applied technical procedure of product.
Claims (11)
1. a kind of oil soluble high-concentration pour depressant suspension that reduces the oil product condensation point is characterized in that it is by being to account for 35～65% inert fluid material in 100%, account for 2～18% dispersion agent and account for 20～60% pour point depressant polymer powder to form in gross weight.
2. a kind of oil soluble high-concentration pour depressant suspension according to claim 1 is characterized in that also can be added in gross weight in the suspension that inert fluid material, dispersion agent and pour point depressant polymer powder are formed is to account for 0～7% thickening material in 100% or account for 0～3% stablizer.
3. a kind of oil soluble high-concentration pour depressant suspension according to claim 1 and 2 is characterized in that described inert fluid material can select polyester, polyethers, alcohol or multiple lipid acid and derivative thereof for use.
4. a kind of oil soluble high-concentration pour depressant suspension according to claim 3, it is characterized in that described inert fluid material comprises poly-unsaturated acid alkyl ester, alkylphenol polyoxyethylene, the alkylphenol polyethenoxy ether, alkyl polyoxyethylene ether, the alkyl polyethenoxy ether, fatty alcohol-polyoxyethylene ether, fatty alcohol polyoxypropylene ether, alkylphenol polyoxyethylene polyoxypropylene ether, the fatty alcohol polyoxypropylene Soxylat A 25-7, alkyl polyoxyethylene polyoxypropylene ether, fatty acid polyglycol oxypropylene polyoxyethylene ester, the heptyl phenol polyethenoxy ether, heptyl phenol polyethenoxy ether, polyoxyethylene octylphenol ether, the octyl phenol polyethenoxy ether, polyoxyethylene nonylphenol ether, nonyl phenol poly-oxypropylene ether, the lauric acid polyoxyethylene ester, lauric acid polyoxypropylene ester, butanols, ethylene glycol, third youngster's alcohol, lipid acid, polyoxyethylene carboxylate, fatty acid polyglycol oxypropylene ester, fatty acid methyl ester, fatty acid pentaerythritol ester, lipid acid trishydroxymethyl propyl ester or their mixture.
5. a kind of oil soluble high-concentration pour depressant suspension according to claim 1 and 2 is characterized in that described dispersion agent is the ultra-micro powder of multiple inorganic, organic or natural plant.
6. a kind of oil soluble high-concentration pour depressant suspension according to claim 5 is characterized in that dispersion agent comprises calcium stearate, Magnesium Stearate, talcum powder, lime carbonate, mica powder, pigment dyestuff, polyacrylamide, Mierocrystalline cellulose or derivatives thereof, guar gum, field mountain valley with clumps of trees and bamboo powder, Rhizoma amorphophalli powder.
7. a kind of oil soluble high-concentration pour depressant suspension according to claim 2 is characterized in that described thickening material is various kinds of resin or paraffin and modified material thereof.
8. a kind of oil soluble high-concentration pour depressant suspension according to claim 7 is characterized in that thickening material comprises Gum Rosin, modified rosin resin, terpine resin, pinene resin, petroleum resin, phenolic resin, alkene phenol resins, paraffin, clorafin.
9. a kind of oil soluble high-concentration pour depressant suspension according to claim 2, it is characterized in that described stablizer is multiple the pour point depressant polymkeric substance to be played the material of wetting or solvency action, comprises octanol, diesel oil, kerosene, normal heptane, normal hexane, hexanaphthene, benzene,toluene,xylene, sherwood oil.
10. the preparation method of a kind of oil soluble high-concentration pour depressant suspension of a kind of oil soluble high-concentration pour depressant suspension according to claim 1, it is even with the dispersion agent powder thorough mixing that accounts for 2～18% to it is characterized in that at first using powder mixer will account for 20～60% polymer powder in gross weight, then the mixed powder of these two kinds of compositions is joined and account in 35～65% the inert fluid material, obtain this pour depressant suspension product after fully stirring.
11. the preparation method of a kind of oil soluble high-concentration pour depressant suspension according to claim 10, it is characterized in that behind the mixture that obtains polymer powder and dispersion agent powder, in proportion thickening material is added in the inert fluid, fully stir, make thickening material be dissolved in the fluid fully; In the above-mentioned inert fluid that has added thickening material, add a certain proportion of stablizer then, add the pour point depressant polymer powder that is mixed with dispersion agent to above-mentioned system at last, obtain this pour depressant suspension product after fully stirring.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2006100906844A CN101100599A (en) | 2006-07-07 | 2006-07-07 | Oil soluble high-concentration pour depressant suspension and preparation method thereof |
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| CNA2006100906844A CN101100599A (en) | 2006-07-07 | 2006-07-07 | Oil soluble high-concentration pour depressant suspension and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102127409A (en) * | 2011-01-10 | 2011-07-20 | 中国科学院化学研究所 | Crude oil viscosity-breaking pour-point depressant composition, and preparation method and application thereof |
| CN102516960A (en) * | 2011-10-17 | 2012-06-27 | 中国石油天然气股份有限公司 | Micro-suspension self-selection water shutoff and profile control agent and application method thereof |
| CN101709233B (en) * | 2009-10-28 | 2012-10-24 | 上海应用技术学院 | Diesel fuel pour-point depressant dispersant |
| CN101705120B (en) * | 2009-11-20 | 2012-11-21 | 上海应用技术学院 | Latent solvent for diesel pour inhibitor and preparation method thereof |
| CN103045212A (en) * | 2013-01-07 | 2013-04-17 | 中国海洋石油总公司 | Microcapsule guar gum and preparation method thereof |
| CN104140485A (en) * | 2014-07-30 | 2014-11-12 | 北京兴有丰科科技发展有限公司 | Diesel flowing improver and preparing method and application thereof |
| CN104140486A (en) * | 2014-07-30 | 2014-11-12 | 北京兴有化工有限责任公司 | Diesel fuel additive and preparing method and application thereof |
| CN107559594A (en) * | 2017-08-24 | 2018-01-09 | 中国石油集团渤海钻探工程有限公司 | Reducing thick oil viscosity pour point depression dispersant and preparation method thereof |
| CN107760294A (en) * | 2017-10-25 | 2018-03-06 | 成都劳恩普斯科技有限公司 | A kind of pulvis suspension and its preparation method and application |
| CN112592700A (en) * | 2020-12-22 | 2021-04-02 | 广州江盐化工有限公司 | Oil-based drilling fluid based on chlorinated paraffin and preparation method and application thereof |
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2006
- 2006-07-07 CN CNA2006100906844A patent/CN101100599A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709233B (en) * | 2009-10-28 | 2012-10-24 | 上海应用技术学院 | Diesel fuel pour-point depressant dispersant |
| CN101705120B (en) * | 2009-11-20 | 2012-11-21 | 上海应用技术学院 | Latent solvent for diesel pour inhibitor and preparation method thereof |
| CN102127409A (en) * | 2011-01-10 | 2011-07-20 | 中国科学院化学研究所 | Crude oil viscosity-breaking pour-point depressant composition, and preparation method and application thereof |
| CN102127409B (en) * | 2011-01-10 | 2013-01-23 | 中国科学院化学研究所 | Crude oil viscosity-breaking pour-point depressant composition, and preparation method and application thereof |
| CN102516960A (en) * | 2011-10-17 | 2012-06-27 | 中国石油天然气股份有限公司 | Micro-suspension self-selection water shutoff and profile control agent and application method thereof |
| CN102516960B (en) * | 2011-10-17 | 2013-10-16 | 中国石油天然气股份有限公司 | Micro-suspension self-selection profile control agent and application method thereof |
| CN103045212A (en) * | 2013-01-07 | 2013-04-17 | 中国海洋石油总公司 | Microcapsule guar gum and preparation method thereof |
| CN103045212B (en) * | 2013-01-07 | 2015-08-19 | 中国海洋石油总公司 | A kind of Microcapsule guar gum and preparation method thereof |
| CN104140486A (en) * | 2014-07-30 | 2014-11-12 | 北京兴有化工有限责任公司 | Diesel fuel additive and preparing method and application thereof |
| CN104140485A (en) * | 2014-07-30 | 2014-11-12 | 北京兴有丰科科技发展有限公司 | Diesel flowing improver and preparing method and application thereof |
| CN104140485B (en) * | 2014-07-30 | 2016-05-25 | 北京兴有丰科科技发展有限公司 | A kind of diesel flow improver and its preparation method and application |
| CN107559594A (en) * | 2017-08-24 | 2018-01-09 | 中国石油集团渤海钻探工程有限公司 | Reducing thick oil viscosity pour point depression dispersant and preparation method thereof |
| CN107760294A (en) * | 2017-10-25 | 2018-03-06 | 成都劳恩普斯科技有限公司 | A kind of pulvis suspension and its preparation method and application |
| CN107760294B (en) * | 2017-10-25 | 2020-09-08 | 成都劳恩普斯科技有限公司 | Powder suspension and preparation method and application thereof |
| CN112592700A (en) * | 2020-12-22 | 2021-04-02 | 广州江盐化工有限公司 | Oil-based drilling fluid based on chlorinated paraffin and preparation method and application thereof |
| CN112592700B (en) * | 2020-12-22 | 2022-04-29 | 广州江盐化工有限公司 | Oil-based drilling fluid based on chlorinated paraffin and preparation method and application thereof |
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Open date: 20080109 |