CN104696707A - Oil soluble high concentration pour point depressant suspension liquid and preparation method thereof - Google Patents
Oil soluble high concentration pour point depressant suspension liquid and preparation method thereof Download PDFInfo
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- CN104696707A CN104696707A CN201310651844.8A CN201310651844A CN104696707A CN 104696707 A CN104696707 A CN 104696707A CN 201310651844 A CN201310651844 A CN 201310651844A CN 104696707 A CN104696707 A CN 104696707A
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- point depressant
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Abstract
The invention discloses an oil soluble high concentration pour point depressant suspension liquid for oil product pour point reduction and a preparation method thereof and relates to a general chemical method and the pipeline system technical field. The oil soluble high concentration pour point depressant suspension liquid is composed of the components in percentage by mass: 35-65% of inert fluid substance, 2-18% of a dispersing agent and 20-60% of pour point depressant polymer powder. The preparation method comprises the following steps: firstly mixing the polymer powder with the dispersing agent powder fully and uniformly according to a certain ratio through a powder mixing machine, adding the mixed powder into the inert fluid substance according to a certain ratio, and sufficiently stirring to obtain the pour point depressant suspension liquid product. The content of the effective component of the pour point depressant product is increased to 30-60%, the apparent viscosity of the pour point depressant product is reduced to be less than 1500mPa.s at the normal temperature while the shearing rate is 20s<-1>, and the flash point is higher than 120 DEG C, so that the defect of the existing amine pour point depressant can be effectively overcome, and the storage, transport and use performance of the pour point depressant product can be greatly improved.
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 method and pipe-line system technical field.
Background technique
Crude oil is a kind of multi-component complicated hydrocarbon mixture containing paraffin, the amine matter in addition containing some and asphalitine.Paraffin is soluble in crude oil, and when temperature reduces, crude oil can separate out wax crystalline substance, and along with temperature constantly declines, wax crystalline substance increases, and finally forms tridimensional network, and crude oil is lost flowability, and brings very large difficulty to the exploitation of oil and conveying.The wax content in crude oil that China produces is general higher, and major part belongs to paraffine crude oil.The feature of this quasi-oil is that condensation point is high, during low temperature apparent viscosity large fluidity poor, manage defeated difficulty, usually all adopt done site by site heated transportation, the consumption of Ministry Of Fuel And Power power is higher.From reducing energy consumption and production costs, in crude oil, add chemical pour-point depression agent is the easiest and most effective method realizing the conveying of crude oil normal temperature.Pour-point depressant but can condensation point of crude oil be reduced, and can viscosity of crude be reduced, thus reach energy-saving and cost-reducing object.Therefore, for the defeated industry of pipe, pour-point depressant with a very important position.The pour point depressant for crude oil of trace is added in waxy crude oil, paraffin in pour-point depressant and crude oil stops wax crystalline form to reticulate structure by interact etc., produce pour-viscosity reduction effect, improve the effect of crude oil low temperature flow, thus reach the object that waxy crude oil carries at normal temperatures.The pour-point depressant product of being used widely at present is dissolved in diesel oil or other organic solvent using the polymer as pour-point depressant when high-temperature stirring, corresponding pour-point depressant product active constituent content lower (about 8 ~ 15%), be the thickness amine shape thing of flow difficulties under normal temperature, during use, need heat fused.
Comprehensively above-mentioned, current pour-point depressant product in actual application, shortcomings such as having that transport amount is large, potential safety hazard is large, the slow and technique for applying of solution velocity is complicated in oil and products thereof.
Summary of the invention
The object of the invention is to invent a kind of content that can improve effective component in pour-point depressant product of oil product pour point depression, improve Safety performance, reduce the apparent viscosity of product, a kind of oil soluble high-concentration pour depressant suspension improving product rate of dissolution in oil product and preparation method.
The oil soluble high-concentration pour depressant suspension of the present invention does not re-use the combustible material such as diesel oil and organic solvent, but select the higher inert chemi-cal material of flash-point as use or inject carrier, on the one hand the content of effective component in pour-point depressant product is improved, make the apparent viscosity of pour-point depressant product reduce simultaneously, thus effectively can overcome the shortcoming of existing amine shape pour-point depressant existence, greatly improve the storage of pour-point depressant product, transport and usability.It is by being account for the inert fluid material of 35 ~ 65%, the dispersing agent accounting for 2 ~ 18% in 100% and the pour-point depressant polymer powder that accounts for 20 ~ 60% forms in gross weight.In order to stable performance, in the suspension of inert fluid material, dispersing agent and pour-point depressant polymer powder composition, also can be added in gross weight is account for the water-thickening agent of 0 ~ 7% in 100% or account for the stabilizer of 0 ~ 3%.
Wherein said inert fluid material can select polyester, polyethers, alcohol or multiple fatty acid and derivative thereof, specifically comprise poly-unsaturated acids Arrcostab, APES, alkyl phenol polyethenoxy ether, alkyl polyoxyethylene ether, alkyl polyethenoxy ether, AEO, fatty alcohol polyoxypropylene ether, alkyl phenol polyoxyethylene polyoxypropylene ether, fatty alcohol polyoxypropylene APEO, alkyl polyoxyethylene polyoxypropylene ether, fatty acid polyglycol oxypropylene polyoxyethylene ester, heptyl phenol polyethenoxy ether, heptyl phenol polyethenoxy ether, OPEO, octyl phenol polyethenoxy ether, f base phenol polyethenoxy ether,-: f base phenol polyethenoxy ether, lauric acid polyoxyethylene ester, lauric acid polyoxypropylene ester, butanols, ethylene glycol, third youngster's alcohol, fatty acid, fat
Acid polyoxyethylene ester, fatty acid polyglycol oxypropylene ester, fatty acid methyl ester, fatty acid pentaerythritol ester, fatty acid trihydroxy methyl propyl ester or their mixture.
Described dispersing agent is the ultra-micro powder of multiple inorganic, organic or natural plants amine, comprises calcium stearate, ferric stearate, French chalk, calcium carbonate, mica flour, organic pigment, polyacrylamide, cellulose or derivatives thereof, your amine, sesbania powder, konjaku flour of melon.
Described water-thickening agent is various kinds of resin and paraffin and modified material thereof, comprises abietic resin, modified rosin resin, petroleum resin, phenolic resin, alkene phenolic resin, paraffin, chlorinated paraffin.Described stabilizer is multiplely play material that is wetting or solution to pour-point depressant polymer, comprises octanol, diesel oil, kerosene, normal heptane, n-hexane, cyclohexane, benzene,toluene,xylene, petroleum ether.
The preparation method of above-mentioned a kind of oil soluble high-concentration pour depressant suspension, first use powder mixer fully to be mixed with the dispersing agent powder accounting for 2 ~ 18% by the polymer powder accounting for 20 ~ 60% in gross weight, then being joined by the mixed-powder of these two kinds of compositions accounts in the inert fluid material of 35 ~ 65%, obtains this pour depressant suspension product after fully stirring.If add water-thickening agent or stabilizer, be then after the mixture obtaining polymer powder and dispersing agent powder, in proportion water-thickening agent added in inert fluid, fully stir, make water-thickening agent be dissolved completely in fluid; Then add a certain proportion of stabilizer to above-mentioned having added in the inert fluid of water-thickening agent, finally add the pour-point depressant polymer powder being mixed with dispersing agent to above-mentioned system, after fully stirring, obtain this pour depressant suspension product.
Embodiment
Embodiment:
The proportioning components of this example is: use as pour-point depressant or inject the inert fluid alkyl phenol of carrier and ethylene oxide condensate accounts for 61.8%; Water-thickening agent bornene resin accounts for 1.9%, and stabilizer normal heptane accounts for 1.3% dispersing agent calcium stearate and accounts for 5.25%, pour-point depressant ethene. and vinyl acetate ester polymer powder accounts for 29.75%.First use powder mixer fully to be mixed with the calcium stearate powder as dispersing agent by the vinyl acetate vinyl acetate polymer powder as pour-point depressant, 29.75% calcium stearate powder that wherein vinyl-ester vinyl acetate polymer powder accounts for gross weight accounts for 5.25%; Secondly in proportion water-thickening agent bornene resin is added as pour-point depressant use or the inert fluid alkyl phenol and the ethylene oxide condensate that inject carrier; abundant stirring; make resin be dissolved completely in fluid, wherein bornene resin accounts for 1.9% of gross weight, and alkyl phenol and ethylene oxide condensate account for 61.8%; Then added in alkyl phenol and ethylene oxide condensate to above-mentioned the normal heptane stabilizer adding 1.3%.Finally add to above-mentioned system the vinyl acetate vinyl acetate polymer powder being mixed with dispersing agent calcium stearate, after fully stirring, obtain the pour depressant suspension product that Absorbable organic halogens stores.Apparent viscosity during this sample normal temperature down cut speed 20s-1 is that 1300mPa product flash-point is higher than 120 DEG C.
The present invention is owing to selecting the higher inert chemi-cal material of flash-point as use or injecting carrier, the content of effective component in pour-point depressant product is made to bring up to 30 ~ 60% on the one hand, below 1500mPa.s when simultaneously making the apparent viscosity of pour-point depressant product be reduced to normal temperature down cut speed 20s-1, flash-point is higher than 1200C, thus effectively can overcome the shortcoming of existing amine shape pour-point depressant existence, greatly improve the storage of pour-point depressant product, transport and usability, reduce transport amount, improve Safety performance and improve the rate of dissolution of product in oil product, simplify the applied technical procedure of product.
Claims (9)
1. reduce an a kind of oil soluble high-concentration pour depressant suspension for oil product condensation point, it is characterized in that it is by being account for the inert fluid material of 35 ~ 65%, the dispersing agent accounting for 2 ~ 18% in 100% and the pour-point depressant polymer powder that accounts for 20 ~ 60% forms in gross weight.
2. a kind of oil soluble high-concentration pour depressant suspension according to claim 1, is characterized in that in the suspension of inert fluid material, dispersing agent and pour-point depressant polymer powder composition, also can be added in gross weight is account for the water-thickening agent of 0 ~ 7% in 100% or account for the stabilizer of 0 ~ 3%.
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 fatty acid and derivative thereof.
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 acids Arrcostab, APES, alkyl phenol polyethenoxy ether, alkyl polyoxyethylene ether, alkyl polyethenoxy ether, AEO, fatty alcohol polyoxypropylene ether, alkyl phenol polyoxyethylene polyoxypropylene ether, fatty alcohol polyoxypropylene APEO, alkyl polyoxyethylene polyoxypropylene ether, fatty acid polyoxyethylene polyoxypropylene is from purport, heptyl phenol polyethenoxy ether, heptyl phenol polyethenoxy ether, OPEO, octyl phenol polyethenoxy ether, , lauric acid polyoxyethylene ester, lauric acid polyoxypropylene ester, butanols, ethylene glycol, propylene glycol, fatty acid, polyoxyethylene carboxylate, fatty acid polyglycol oxypropylene ester, fatty acid methyl ester, fatty acid pentaerythritol ester, fatty acid three is methyl 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 dispersing agent is the ultra-micro powder of multiple inorganic, organic or natural plants amine.
6. a kind of oil soluble high-concentration pour depressant suspension according to claim 5, is characterized in that dispersing agent comprises calcium stearate, ferric stearate, French chalk, calcium carbonate, mica flour, organic pigment, polyacrylamide, cellulose or derivatives thereof, melon that amine, sesbania powder, konjaku flour.
7. a kind of oil soluble high-concentration pour depressant suspension according to claim 2, is characterized in that described water-thickening agent 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 water-thickening agent comprises abietic resin, modified rosin resin, petroleum resin, phenolic resin, alkene phenolic resin, paraffin, chlorinated paraffin.
9. a kind of oil soluble high-concentration pour depressant suspension according to claim 2, it is characterized in that described stabilizer is multiplely play material that is wetting or solution to pour-point depressant polymer, comprise octanol, diesel oil, kerosene, normal heptane, n-hexane, cyclohexane, benzene,toluene,xylene, petroleum ether.
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| CN201310651844.8A CN104696707A (en) | 2013-12-05 | 2013-12-05 | Oil soluble high concentration pour point depressant suspension liquid and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112877108A (en) * | 2021-01-21 | 2021-06-01 | 上海应用技术大学 | Biodiesel pour point depressant composition and preparation method and application thereof |
| WO2023020979A1 (en) | 2021-08-17 | 2023-02-23 | Biosynthis | Method for inhibiting crystallisation |
-
2013
- 2013-12-05 CN CN201310651844.8A patent/CN104696707A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112877108A (en) * | 2021-01-21 | 2021-06-01 | 上海应用技术大学 | Biodiesel pour point depressant composition and preparation method and application thereof |
| WO2023020979A1 (en) | 2021-08-17 | 2023-02-23 | Biosynthis | Method for inhibiting crystallisation |
| FR3126227A1 (en) * | 2021-08-17 | 2023-02-24 | Biosynthis | METHOD FOR INHIBITING CRYSTALLIZATION |
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Application publication date: 20150610 |