CN106402660A - Preparation method for emulsion suspension system of poly-alpha-olefin oil drag reducer - Google Patents
Preparation method for emulsion suspension system of poly-alpha-olefin oil drag reducer Download PDFInfo
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- CN106402660A CN106402660A CN201610801514.6A CN201610801514A CN106402660A CN 106402660 A CN106402660 A CN 106402660A CN 201610801514 A CN201610801514 A CN 201610801514A CN 106402660 A CN106402660 A CN 106402660A
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- suspension system
- preparation
- drag reducer
- alpha olefin
- poly alpha
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/16—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity
- F17D1/17—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity by mixing with another liquid, i.e. diluting
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Abstract
The invention discloses a preparation method for an emulsion suspension system of a poly-alpha-olefin oil drag reducer, and belongs to the technical fields of macromolecular compound preparation and pipeline systems. The specific method comprises the following steps: taking a compound solution of butanol, n-hexane, ethanol and glycerine as a solvent, taking poly-alpha-olefin with a particle size of greater than 80 meshes as a raw material, carrying out density adjustment by virtue of sorbitol and other thickeners, then taking a wetting agent, a penetrating agent, a dispersing agent and other surfactants as an emulsifier, and forming the emulsion suspension system by virtue of ultraviolet light initiation at 0-10 DEG C. The emulsion suspension system of the oil drag reducer, which is prepared by the preparation method disclosed by the invention, is high in dispersibility, long in storage time, low in preparation cost, and capable of reducing an action waiting time of the oil drag reducer after being injected in a pipeline, and improving the production process level of the drag reducer.
Description
Technical field
The invention discloses a kind of preparation method of oil product drag reducer, particularly to a kind of poly alpha olefin class oil product drag reducer
The preparation method of emulsion suspension system.
Background technology
The oil product drag reducer commonly used at present is a kind of macromolecule alpha-olefines polymer, and its mechanism of action is micro injection oil
After in QC road, macromolecule alpha-olefines polymer forms backbone with pipe flow direction, is distributed in turbulent area and current stabilization regional boundary
Between face, stop the turbulization of flow regime using the elastic deformation of strand, reduce friction energy loss in oil product flowing, reduce
Flow resistance, realizes improving the purpose of speedup rate and drag reducing efficiency.Poly alpha olefin oil product drag reducer can be without increasing transfer device
Shi Zengjia throughput rate, or in the case of maintaining throughput rate constant, reduce the operating pressure of petroleum pipeline, thus reducing security risk,
So poly alpha olefin oil product drag reducer has the characteristics that low cost, rapid-action, drag reduction substantially and flexible and convenient, it is possible to achieve throughput rate
Adjust, reduce and manage defeated pressure, finally realize safe efficient, the economic conveying of oil product.
For the convenience of commercial Application, the poly alpha olefin oil product drag reducer storage form commonly used at present is suspension.Due to
Poly alpha olefin has very high viscoelasticity, and granule compole is easy to stick to be linked to be group, and poly alpha olefin dough density range is often simultaneously
0.85g/cm3, more than typically conventional suspended dispersed liquid medium, so the poly alpha olefin oil product drag reducer under suspended state is usually
Poly alpha olefin deposited phenomenon occurs, leads to be layered, the problem brought is cannot to be scattered in immediately in oil product through pipelines during flow in pipes,
Greatly affect its drag-reduction effect.At present with regard to problems, conventional processing method is to adjust its physical structural characteristic, for example
Carry out the refinement of poly alpha olefin granule, adopt the alkyl based solution of higher carbon number as disperse medium etc. using expensive ball mill,
This way can improve the production cost of drag reducer, also affect the performance of drag reducer to a certain extent simultaneously.
Emulsion is a kind of liquid with liquid pearl form be dispersed in formed in another kind of liquid not miscible with it point
Prose style free from parallelism system, has extremely strong stability and excellent seriality.Polyolefin macromolecular can be made to form colloidal droplets form
Steady storage structure, improves dispersibility and the stability of suspension system.
Preparation method about drag reducer emulsion suspension system also has following report：
CN101544766A is related to a kind of preparation method of poly alpha-olefin drag reduction agent suspension, and this suspension is by poly- α-alkene
Hydrocarbon, the amide of Long carbon chain and solvent composition, for making suspension more stable, be also added into suspending stabilizer, thickening agent, dispersant,
What surfactant, wherein solvent were selected is liquid alcohol.25-80 DEG C of emulsifying temperature, pH is maintained at 4-13, and emulsification times are less than
60min, the suspension liquid energy obtaining at least stablize 24 months not stratified, there is no caking phenomenon yet；Preparation cost is cheap.But in temperature
It is impossible to emulsifying when relatively low.
A kind of Oleic acid and its preparation method of lipid derivant drag reducer is mentioned, the method is with Oleic acid in CN101638569A
And its lipid derivant is solvent, add poly alpha olefin, the amide of Long carbon chain, thickening agent, dispersant, surfactant, emulsifying
Temperature is 50-60 DEG C, and the drag reduction agent suspension of formation at least can be not stratified in 70 DEG C of stable existences six months, is alcohols with solvent
The drag reducer being formed is compared, and stabilization time is shorter.Meanwhile, emulsifying temperature is also higher.
Content of the invention
The technical problem to be solved in the present invention is to provide to prepare poly alpha olefin class oil product drag reducer emulsion under a kind of low temperature
The method of suspension system, the method process is simple, with low cost；The emulsion suspension system good dispersion of preparation, stabilization time
Long.
For solving above-mentioned technical problem, the present invention provides technical scheme as follows：
Poly alpha olefin class oil product drag reducer emulsion suspension system preparation method comprises the following steps：
(1) weigh solvent, pour closed vessel into；
(2) thickening agent, 30～45 DEG C of heating are added to solution in step (1)；
(3) liquid in step (2) is lowered the temperature, add surfactant；
(4) add poly alpha olefin granule to liquid in step (3)；
(5) add light trigger, ultraviolet radiation in step (4), obtain stable oil product drag reducer emulsion and suspend
System.
Wherein, in described step (1), described solvent be butanol, normal hexane, ethanol, glycerol mass ratio be 10～12:5
～9:10～13:3～5 mixed solution.
Wherein, in described step (2), described thickener qualities are the 1%～15% of solvent gross mass, are anhydrous sorbitol
Fatty acid, Sorbitol, methylcellulose, hydroxypropyl methyl cellulose, sodium carboxymethyl cellulose, hydroxyethyl cellulose, Guar
In glue, chitosan, two or more compound, and its object is to improve the stability of emulsion suspension system, prevent from subtracting rent polymer
Deposit clumps.
Wherein, in described step (3), described liquid is cooled to 0-10 DEG C, is preferably cooled to 0-5 DEG C.
Described surfactant qualities are the 0.7%～2% of solvent gross mass, and described surfactant is wetting agent：Ooze
Agent thoroughly：Dispersant：Auxiliary agent mass ratio is 10:0.5～0.8:20～25:0.1～0.3 mixed solution；
Described wetting agent is Stepanol MG, sodium lauryl sulphate, dodecylbenzene sodium sulfonate, butyl LOMAR PWA EINECS 246-676-2
In sodium, dialkyl succinylsuccinate ester sodium sulfonate, one or more compound；
Described penetrating agent be sodium alkyl benzene sulfonate, alkyl sulfate sodium, SAS mass ratio be 1:3～7:1.5
～2 mixed solution；
Described dispersant is stearmide, barium stearate, calcium stearate, one or more compound in magnesium stearate；
Described auxiliary agent is zinc citrate, N-Methyl pyrrolidone, gelatin, one or more compound in sodium alginate；
The effect of surfactant is poly alpha olefin class to be subtracted rent polymer suspend in a solvent so as to energy is steady in a long-term.
Wherein, in described step (4), described poly alpha olefin granule is commercially available, for example can be from Langfang City prestige general pipeline skill
Art company limited buys.Described poly alpha olefin granular mass is the 25%～35% of solvent gross mass, described poly alpha olefin granule
Particle diameter mesh number is more than 80 mesh.
Wherein, in described step (5), described light trigger gross mass is the 0.2%～0.5% of solvent gross mass, and light draws
Send out agent be 1- hydroxy cyclohexyl phenylketone, triaryl sulfonium salts, alkyl sulfosalt, iron arene salt according to mass ratio be 4:1:2:1
Compounding.
Wherein, in described step (5), described ultraviolet radiation intensity is 2000～3500 μ W/cm2, radiated time is 30
～150min.
Wherein, the whole stirring of the preparation process of described emulsion suspension system.
The present invention compared with prior art, has the advantages that：
The invention discloses a kind of preparation method of new oil product drag reducer emulsion suspension system, the method adopts low
Warm emulsifying, preparation process is simple, with low cost, the emulsion suspension system good dispersion of preparation, stabilization time are long.
Specific embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with being embodied as
Example is described in detail.
Embodiment 1：
Weighing mass ratio is 100g:50g:120g:The butanol of 50g：Normal hexane：Ethanol：Glycerol, pours closed vessel into,
It is stirred at room temperature and make its mix homogeneously.Weigh sorbitan fatty acid, 5g methylcellulose and the 5g carapace that quality is 5g
Amine adds in above-mentioned solvent, and airtight heating to 35 DEG C and stirs.It is cooled to 0 DEG C, under 300rad/min stirring, add 1g ten
Dialkyl group magnesium sulfate, 1g sodium lauryl sulphate, 0.017g sodium alkyl benzene sulfonate, 0.051g alkyl sulfate sodium, 0.034g are secondary
Sodium alkyl sulfonate, 4g stearmide, 0.02g zinc citrate, stir 15min.Under 100rad/min stirring, add 60g 100 mesh
Poly alpha olefin granule.Then sequentially add thereto 0.8g 1- hydroxy cyclohexyl phenylketone, 0.2g triaryl sulfonium salts,
0.4g alkyl sulfosalt, 0.2g iron arene salt, through ultraviolet radiation 100min, ultraviolet radiation intensity is 2500 μ W/cm2, make
Poly alpha olefin fully merges dispersion in emulsion, obtains oil product drag reducer emulsion suspension system.
Embodiment 2：
Weighing mass ratio is 100g:50g:120g:The butanol of 50g：Normal hexane：Ethanol：Glycerol, pours closed vessel into,
It is stirred at room temperature and make its mix homogeneously.Weigh the sorbitan fatty acid that quality is 5g and the guar gum addition of 5g is above-mentioned molten
In agent, airtight heating to 40 DEG C and stirs.It is cooled to 0 DEG C, under 300rad/min stirring, add 2g DBSA
Sodium, 0.015g sodium alkyl benzene sulfonate, 0.05g alkyl sulfate sodium, 0.02g SAS, 2g stearoyl barium, 2g stearic acid
Calcium, 0.02g gelatin, 0.02g sodium alginate, stir 25min.Under 100rad/min stirring, add the poly alpha olefin of 65g 100 mesh
Granule.Then 0.8g 1- hydroxy cyclohexyl phenylketone, 0.2g triaryl sulfonium salts, 0.4g alkyl sulfide are sequentially added thereto
Salt, 0.2g iron arene salt, through ultraviolet radiation 80min, ultraviolet radiation intensity is 3200 μ W/cm2, make poly alpha olefin in emulsus
Fully merge dispersion in liquid, obtain oil product drag reducer emulsion suspension system.
Embodiment 3：
Weighing mass ratio is 110g:70g:110g:The butanol of 40g：Normal hexane：Ethanol：Glycerol, pours closed vessel into,
It is stirred at room temperature and make its mix homogeneously.Weigh the methylcellulose that quality is 6g, the hydroxypropyl methyl cellulose of 6g, the carboxylic of 6g
Sodium carboxymethylcellulose pyce adds in above-mentioned solvent, and airtight heating to 40 DEG C and stirs.It is cooled to 5 DEG C, 300rad/min stirs
Under, add 0.8g dodecylbenzene sodium sulfonate, 0.8g sodium butylnaphthalenesulfonate, 0.015g sodium alkyl benzene sulfonate, 0.045g alkyl sulfide
Acid esters sodium, 0.03g SAS, 1.8g calcium stearate, 1.8g magnesium stearate, 0.02g zinc citrate, 0.02g alginic acid
Sodium, stirs 30min.Under 90rad/min stirring, add the poly alpha olefin granule of 90g 100 mesh.Then sequentially add thereto
0.6g 1- hydroxy cyclohexyl phenylketone, 0.15g triaryl sulfonium salts, 0.3g alkyl sulfosalt, 0.15g iron arene salt, through ultraviolet
Light radiation 130min, ultraviolet radiation intensity is 2800 μ W/cm2, make poly alpha olefin fully merge dispersion in emulsion, obtain
Oil product drag reducer emulsion suspension system.
Poly alpha olefin class oil product drag reducer emulsion suspension system sealing preserve, energy at 23 ± 2 DEG C of above-described embodiment
At least stablize 24 months not stratified, good dispersion, stabilization time are long；The method preparation process is simple, with low cost.
The experiment lifted is only the preferably example of the present invention, the protection domain being not intended to limit the present invention.Should refer to
Go out, for those skilled in the art, on the premise of without departing from principle of the present invention, can also make
Some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. the preparation method of poly alpha olefin class oil product drag reducer emulsion suspension system is it is characterised in that comprise the following steps：
(1) weigh organic solvent, pour closed vessel into；
(2) thickening agent, 30～45 DEG C of heating are added in step (1) solution；
(3) liquid in step (2) is lowered the temperature, add surfactant；
(4) add poly alpha olefin granule to liquid in step (3)；
(5) add light trigger, ultraviolet radiation in step (4), obtain stable oil product drag reducer emulsion suspension system.
2. the preparation method of poly alpha olefin class oil product drag reducer emulsion suspension system according to claim 1, its feature
It is, in described step (3), described liquid is cooled to 0-10 DEG C, is preferably cooled to 0-5 DEG C.
3. the preparation method of poly alpha olefin class oil product drag reducer emulsion suspension system according to claim 1, its feature
Be, in described step (1), described solvent be butanol, normal hexane, ethanol, glycerol mass ratio be 10～12:5～9:10～
13:3～5 mixed solution.
4. the preparation method of poly alpha olefin class oil product drag reducer emulsion suspension system according to claim 1, its feature
It is, in described step (4), described poly alpha olefin grain diameter mesh number is more than 80 mesh, and described poly alpha olefin granular mass is molten
The 25%～35% of agent gross mass.
5. the preparation method of poly alpha olefin class oil product drag reducer emulsion suspension system according to claim 1, its feature
It is, in described step (2), described thickening agent is sorbitan fatty acid, Sorbitol, methylcellulose, hydroxypropyl first
In base cellulose, sodium carboxymethyl cellulose, hydroxyethyl cellulose, guar gum, chitosan, two or more compound；
Described thickener qualities are the 1%～15% of solvent gross mass.
6. the preparation method of poly alpha olefin class oil product drag reducer emulsion suspension system according to claim 1, its feature
It is, in described step (3), described surfactant qualities are the 0.7%～2% of solvent gross mass.
7. the preparation method of poly alpha olefin class oil product drag reducer emulsion suspension system according to claim 6, its feature
It is, described surfactant is wetting agent：Penetrating agent：Dispersant：Auxiliary agent mass ratio is 10:0.5～0.8:20～25:0.1
～0.3 mixed solution；
Described wetting agent be Stepanol MG, sodium lauryl sulphate, dodecylbenzene sodium sulfonate, sodium butylnaphthalenesulfonate,
In dialkyl succinylsuccinate ester sodium sulfonate, one or more compound；
Described penetrating agent is sodium alkyl benzene sulfonate：Alkyl sulfate sodium：SAS mass ratio is 1:3～7:1.5～2
Mixture；
Described dispersant is stearmide, barium stearate, calcium stearate, one or more compound in magnesium stearate；
Described auxiliary agent is zinc citrate, N-Methyl pyrrolidone, gelatin, one or more compound in sodium alginate.
8. the preparation method of poly alpha olefin class oil product drag reducer emulsion suspension system according to claim 1, its feature
It is, in described step (5), described light trigger gross mass is the 0.2%～0.5% of solvent gross mass；
Described light trigger is 1- hydroxy cyclohexyl phenylketone, triaryl sulfonium salts, alkyl sulfosalt, iron arene salt according to quality
Than for 4:1:2:1 compounding.
9. the preparation method of poly alpha olefin class oil product drag reducer emulsion suspension system according to claim 1, its feature
It is, in described step (5), described ultraviolet radiation intensity is 2000～3500 μ W/cm2, radiated time is 30～150min.
10. the preparation method according to the arbitrary described poly alpha olefin class oil product drag reducer emulsion suspension system of claim 1-9,
It is characterized in that, the whole stirring of preparation process of described emulsion suspension system.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118562478A (en) * | 2024-08-01 | 2024-08-30 | 东营才聚科技有限责任公司 | Crude oil fluidity improver and preparation method thereof |
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| CN102408506A (en) * | 2011-09-29 | 2012-04-11 | 天津市职业大学 | Preparation method of oil-soluble drag reducer |
| CN102453260A (en) * | 2010-10-28 | 2012-05-16 | 中国石油天然气股份有限公司 | Preparation method of alpha-olefin drag-reduction polymer solid-phase storage-stable particles |
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| US20040198619A1 (en) * | 2001-06-08 | 2004-10-07 | Eaton Gerald B. | Alcohol absorbed polyalphaolefin drag reducing agents |
| CN1530377A (en) * | 2003-03-11 | 2004-09-22 | 中国石油天然气股份有限公司 | Preparation method of poly alpha-olefin drag reducer for pipeline oil product |
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| CN118562478A (en) * | 2024-08-01 | 2024-08-30 | 东营才聚科技有限责任公司 | Crude oil fluidity improver and preparation method thereof |
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