CN106190061A - A kind of preparation method of asphaltic crude pour-point depressant - Google Patents
A kind of preparation method of asphaltic crude pour-point depressant Download PDFInfo
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- CN106190061A CN106190061A CN201610477448.1A CN201610477448A CN106190061A CN 106190061 A CN106190061 A CN 106190061A CN 201610477448 A CN201610477448 A CN 201610477448A CN 106190061 A CN106190061 A CN 106190061A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/02—Well-drilling compositions
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- C09K8/035—Organic additives
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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 present invention relates to the preparation method of a kind of asphaltic crude pour-point depressant, belong to field of aerospace.First the Camellia oil squeezed out from Camellia is utilized decrease temperature crystalline by the present invention, go grease removal, obtain defat Camellia oil, again defat Camellia oil is mixed with calper calcium peroxide, after carrying out oxidation processes, dropping dimethylamine solution, and after reacting at low temperatures, adding potassium peroxydisulfate mixing, heating carries out polyreaction, obtains polymerization reactant, after carrying out adding hot mixing by the Oleum Brassicae campestris of polymerization reactant Yu pretreatment again, mix with a small amount of Cetyltrimethylammonium bromide, stand ripening, asphaltic crude pour-point depressant can be prepared.Pour-point depressant prepared by the present invention is good to asphaltic crude depression effeCt, and its freezing point reduces by 8～10 DEG C；Its viscosity is also minimized, and viscosity coefficient reduces by 15～17%.
Description
Technical field
The present invention relates to the preparation method of a kind of asphaltic crude pour-point depressant, belong to field of aerospace.
Background technology
Pour-point depressant (PPD) is a kind of oil dope, and it is when addition is little, can significantly change the knot of paraffin in oil product
Crystal form state, the interface state of system and rheological property, reduce condensation point and the viscosity of crude oil, improves crude oil and is recovering the oil, collects defeated, storing
Deng the quality in work and efficiency.
The existing pour-point depressant bad adaptability to different crude oils, a kind of pour-point depressant is often effective to certain crude oil, and to separately
A kind of crude oil is invalid；The crude Treatment moderate to paraffin content is effective, and the crude Treatment weak effect high to paraffin content, to the content of wax
Crude Treatment effect is preferable, and to colloid, crude Treatment weak effect that asphalt content is high.
Summary of the invention
The technical problem to be solved: for the existing pour-point depressant bad adaptability to different crude oils, former to the content of wax
Oil processing is effective, and low problem inefficient to asphaltic crude poor processing effect, its freezing point and viscosity drop, it is provided that one
Kind the Camellia oil squeezed out from Camellia is utilized decrease temperature crystalline, goes grease removal, obtain defat Camellia oil, then by defat Camellia oil with
Calper calcium peroxide mixes, and after carrying out oxidation processes, drips dimethylamine solution, and after reacting at low temperatures, adds potassium peroxydisulfate
Mixing, heating carries out polyreaction, obtains polymerization reactant, then it is mixed that the Oleum Brassicae campestris of polymerization reactant Yu pretreatment carries out heating
After conjunction, mix with a small amount of Cetyltrimethylammonium bromide, stand ripening, the side of asphaltic crude pour-point depressant can be prepared
Method.Pour-point depressant prepared by the present invention is good to asphaltic crude depression effeCt, applied widely.
For solving above-mentioned technical problem, the present invention uses the technical scheme as described below to be:
(1) plucking 1～2kg maturation Camellia, after rinsing well with clear water, being placed in temperature is to dry to it in 70～80 DEG C of baking ovens
After water content is 10～15%, then it is placed in hulling machine and carries out process of shelling, obtain camellia oleosa seed, the camellia oleosa seed obtained is placed in cold
Squeezing in oil press and extract oil, controlling press chamber temperature is 100～120 DEG C, and oil outlet temperature is 70～85 DEG C, obtains Camellia oil；
(2) above-mentioned prepared Camellia oil being placed in crystallizer, the temperature controlled in crystallizer is 3～5 DEG C, simultaneously in crystallizer
Camellia oil stirring, controlling mixing speed is 40～50r/min, after stirring freezing 1～2h, continues to be cooled to 0～1 DEG C, keeps
Stir speed (S.S.) is constant, after stirring growing the grain 7～8h, filters, obtains defat Camellia oil；
(3) the defat Camellia oil of above-mentioned preparation is placed in beaker, and in beaker, adds defat Camellia oil quality 7～8% mistake
Calcium oxide, after its stirring oxidation 40～50min, then dropping mass fraction is 45% dimethylamine solution in beaker, controls to drip
Acceleration is 5～8mL/min, and dripping quantity is the 10～12% of defat Camellia oil quality, and beaker is cooled to 7～8 simultaneously
DEG C so that it is reaction 40～45min；
(4), after question response terminates, in beaker, mixture quality 0.1～the stirring mixing of 0.5% potassium peroxydisulfate in beaker are added equal
After even, and beaker is heated to 68～75 DEG C, after reacting by heating polymerization 6～8h, stands and be cooled to room temperature, obtain polyreaction
Thing；
(5) measuring 1～2L Oleum Brassicae campestris, and be placed in crystallizer, the temperature controlled in crystallizer is 0～2 DEG C, simultaneously to dish
Seed oil is stirred with the speed of 30～45r/min so that it is stirred crystallization 5～6h, refilters, and obtains pretreatment Oleum Brassicae campestris, and will
Pretreatment Oleum Brassicae campestris is stirred mixing homogeneously being placed in beaker with the polymerization reactant 1:5 in mass ratio of above-mentioned preparation, right
Beaker is heated to 70～80 DEG C, heats 30～40min；
(6) to be heated complete after, then in heating thing, add heating material amount 1～2% Cetyltrimethylammonium bromide, stirring
Mix homogeneously so that it is after standing ripening 1～2h, asphaltic crude pour-point depressant can be prepared into.
The application process of the present invention: the asphaltic crude pour-point depressant that the present invention prepared adds to high former of Colophonium amount content
In oil, addition is the 1～3% of crude quality, after being uniformly mixed, measures its freezing point, and is not added with the former of pour-point depressant
Oil phase ratio, its freezing point reduces by 8～10 DEG C, and viscosity coefficient reduces by 15～17%.
The present invention is compared with additive method, and Advantageous Effects is:
(1) pour-point depressant prepared by the present invention is good to asphaltic crude depression effeCt, and its freezing point reduces by 8～10 DEG C；
(2) its viscosity is also minimized, and viscosity coefficient reduces by 15～17%；
(3) preparation process of the present invention is simple, required low cost.
Detailed description of the invention
First plucking 1～2kg maturation Camellia, after rinsing well with clear water, being placed in temperature is to dry in 70～80 DEG C of baking ovens
Do after being 10～15% to its water content, then be placed in hulling machine and carry out process of shelling, obtain camellia oleosa seed, the camellia oleosa seed that will obtain
Being placed in cold pressing oil press oil expression, controlling press chamber temperature is 100～120 DEG C, and oil outlet temperature is 70～85 DEG C, obtains Camellia oil；Will
Above-mentioned prepared Camellia oil is placed in crystallizer, and the temperature controlled in crystallizer is 3～5 DEG C, simultaneously to the Camellia oil in crystallizer
Stirring, controlling mixing speed is 40～50r/min, after stirring freezing 1～2h, continues to be cooled to 0～1 DEG C, is kept stirring for speed
Constant, after stirring growing the grain 7～8h, filter, obtain defat Camellia oil；Again the defat Camellia oil of above-mentioned preparation is placed in beaker,
And in beaker, add defat Camellia oil quality 7～8% calper calcium peroxide, after its stirring oxidation 40～50min, then in beaker
Dropping mass fraction is 45% dimethylamine solution, and controlling rate of addition is 5～8mL/min, and dripping quantity is defat Camellia oil quality
10～12%, beaker is cooled to 7～8 DEG C simultaneously so that it is reaction 40～45min；After question response terminates, in beaker
After mixture quality 0.1～0.5% potassium peroxydisulfate are uniformly mixed in addition beaker, and beaker is heated to 68～75
DEG C, after reacting by heating polymerization 6～8h, stand and be cooled to room temperature, obtain polymerization reactant；Then 1～2L Oleum Brassicae campestris is measured, and by it
Being placed in crystallizer, the temperature controlled in crystallizer is 0～2 DEG C, stirs Oleum Brassicae campestris with the speed of 30～45r/min simultaneously
Mix so that it is stirred crystallization 5～6h, refilter, obtain pretreatment Oleum Brassicae campestris, and by anti-with being polymerized of above-mentioned preparation for pretreatment Oleum Brassicae campestris
Answer thing 1:5 to be in mass ratio stirred mix homogeneously to be placed in beaker, beaker be heated to 70～80 DEG C, heating 30～
40min；To be heated complete after, then in heating thing, add heating material amount 1～2% Cetyltrimethylammonium bromide, stirring
Mix homogeneously so that it is after standing ripening 1～2h, asphaltic crude pour-point depressant can be prepared into.
Example 1
First plucking 2kg maturation Camellia, after rinsing well with clear water, being placed in temperature is to dry to its water content in 80 DEG C of baking ovens
After being 15%, then it is placed in hulling machine and carries out process of shelling, obtain camellia oleosa seed, the camellia oleosa seed obtained is placed in cold pressing oil press
Oil expression, controlling press chamber temperature is 120 DEG C, and oil outlet temperature is 85 DEG C, obtains Camellia oil；Above-mentioned prepared Camellia oil is placed in crystallization
Tank, the temperature controlled in crystallizer is 5 DEG C, stirs the Camellia oil in crystallizer simultaneously, and control mixing speed is 50r/min,
After the freezing 2h of stirring, continue to be cooled to 1 DEG C, be kept stirring for speed constant, after stirring growing the grain 8h, filter, obtain defat Camellia oil；
Again the defat Camellia oil of above-mentioned preparation is placed in beaker, and in beaker, adds defat Camellia oil quality 8% calper calcium peroxide, right
After its stirring oxidation 50min, then dropping mass fraction is 45% dimethylamine solution in beaker, and control rate of addition is 8mL/
Min, dripping quantity is the 12% of defat Camellia oil quality, beaker is cooled to 8 DEG C simultaneously so that it is reaction 45min；Question response
After end, after in beaker, in addition beaker, mixture quality 0.5% potassium peroxydisulfate is uniformly mixed, and beaker heating is risen
Temperature, to 75 DEG C, after reacting by heating polymerization 8h, stands and is cooled to room temperature, obtain polymerization reactant；Then 2L Oleum Brassicae campestris is measured, and by it
Being placed in crystallizer, the temperature controlled in crystallizer is 2 DEG C, is stirred Oleum Brassicae campestris with the speed of 45r/min simultaneously so that it is
Stirred crystallization 6h, refilters, and obtains pretreatment Oleum Brassicae campestris, and the polymerization reactant of pretreatment Oleum Brassicae campestris with above-mentioned preparation is pressed quality
It is stirred mix homogeneously than 1:5 to be placed in beaker, beaker is heated to 80 DEG C, heat 40min；To be heated complete after, then
In heating thing, add heating material amount 2% Cetyltrimethylammonium bromide, be uniformly mixed so that it is stand ripening 2h
After, asphaltic crude pour-point depressant can be prepared into.
The asphaltic crude pour-point depressant that the present invention prepared adds to the high crude oil of Colophonium amount content, and addition is crude oil
The 3% of quality, after being uniformly mixed, measures its freezing point, and compared with the crude oil being not added with pour-point depressant, its freezing point reduces by 10
DEG C, viscosity coefficient reduces by 17%.
Example 2
First plucking 1kg maturation Camellia, after rinsing well with clear water, being placed in temperature is to dry to its water content in 70 DEG C of baking ovens
After being 10%, then it is placed in hulling machine and carries out process of shelling, obtain camellia oleosa seed, the camellia oleosa seed obtained is placed in cold pressing oil press
Oil expression, controlling press chamber temperature is 100 DEG C, and oil outlet temperature is 70 DEG C, obtains Camellia oil；Above-mentioned prepared Camellia oil is placed in crystallization
Tank, the temperature controlled in crystallizer is 3 DEG C, stirs the Camellia oil in crystallizer simultaneously, and control mixing speed is 40r/min,
After the freezing 1h of stirring, continue to be cooled to 0 DEG C, be kept stirring for speed constant, after stirring growing the grain 7h, filter, obtain defat Camellia oil；
Again the defat Camellia oil of above-mentioned preparation is placed in beaker, and in beaker, adds defat Camellia oil quality 7% calper calcium peroxide, right
After its stirring oxidation 40min, then dropping mass fraction is 45% dimethylamine solution in beaker, and control rate of addition is 5mL/
Min, dripping quantity is the 10% of defat Camellia oil quality, beaker is cooled to 7 DEG C simultaneously so that it is reaction 40min；Question response
After end, after in beaker, in addition beaker, mixture quality 0.1% potassium peroxydisulfate is uniformly mixed, and beaker heating is risen
Temperature, to 75 DEG C, after reacting by heating polymerization 6h, stands and is cooled to room temperature, obtain polymerization reactant；Then 1L Oleum Brassicae campestris is measured, and by it
Being placed in crystallizer, the temperature controlled in crystallizer is 0 DEG C, is stirred Oleum Brassicae campestris with the speed of 30r/min simultaneously so that it is
Stirred crystallization 5h, refilters, and obtains pretreatment Oleum Brassicae campestris, and the polymerization reactant of pretreatment Oleum Brassicae campestris with above-mentioned preparation is pressed quality
It is stirred mix homogeneously than 1:5 to be placed in beaker, beaker is heated to 70 DEG C, heat 30min；To be heated complete after, then
In heating thing, add heating material amount 1% Cetyltrimethylammonium bromide, be uniformly mixed so that it is stand ripening 1h
After, asphaltic crude pour-point depressant can be prepared into.
The asphaltic crude pour-point depressant that the present invention prepared adds to the high crude oil of Colophonium amount content, and addition is crude oil
The 1% of quality, after being uniformly mixed, measures its freezing point, and compared with the crude oil being not added with pour-point depressant, its freezing point reduces by 8
DEG C, viscosity coefficient reduces by 15%.
Example 3
First plucking 1kg maturation Camellia, after rinsing well with clear water, being placed in temperature is to dry to its water content in 75 DEG C of baking ovens
After being 12%, then it is placed in hulling machine and carries out process of shelling, obtain camellia oleosa seed, the camellia oleosa seed obtained is placed in cold pressing oil press
Oil expression, controlling press chamber temperature is 110 DEG C, and oil outlet temperature is 80 DEG C, obtains Camellia oil；Above-mentioned prepared Camellia oil is placed in crystallization
Tank, the temperature controlled in crystallizer is 4 DEG C, stirs the Camellia oil in crystallizer simultaneously, and control mixing speed is 45r/min,
After the freezing 1h of stirring, continue to be cooled to 1 DEG C, constant to be kept stirring for speed, after stirring growing the grain 7h, filter, obtain defat Flos Camelliae Japonicae
Oil；Again the defat Camellia oil of above-mentioned preparation is placed in beaker, and in beaker, adds defat Camellia oil quality 7% peroxidating
Calcium, after its stirring oxidation 45min, then dropping mass fraction is 45% dimethylamine solution in beaker, and controlling rate of addition is
7mL/min, dripping quantity is the 11% of defat Camellia oil quality, beaker is cooled to 8 DEG C simultaneously so that it is reaction 42min；Treat
After reaction terminates, after in beaker, in addition beaker, mixture quality 0.2% potassium peroxydisulfate is uniformly mixed, and beaker is added
Heat is warming up to 70 DEG C, after reacting by heating polymerase 17 h, stands and is cooled to room temperature, obtain polymerization reactant；Then 1L Oleum Brassicae campestris is measured, and
Being placed in crystallizer, the temperature controlled in crystallizer is 1 DEG C, is stirred Oleum Brassicae campestris with the speed of 40r/min simultaneously,
Make its stirred crystallization 5h, refilter, obtain pretreatment Oleum Brassicae campestris, and the polymerization reactant of pretreatment Oleum Brassicae campestris with above-mentioned preparation is pressed
Mass ratio 1:5 is stirred mix homogeneously and is placed in beaker, and beaker is heated to 75 DEG C, heats 35min；To be heated complete
After, then in heating thing, add heating material amount 2% Cetyltrimethylammonium bromide, it is uniformly mixed so that it is stand ripe
After changing 1h, asphaltic crude pour-point depressant can be prepared into.
The asphaltic crude pour-point depressant that the present invention prepared adds to the high crude oil of Colophonium amount content, and addition is crude oil
The 1% of quality, after being uniformly mixed, measures its freezing point, and compared with the crude oil being not added with pour-point depressant, its freezing point reduces by 8
DEG C, viscosity coefficient reduces by 15%.
Claims (1)
1. the preparation method of an asphaltic crude pour-point depressant, it is characterised in that concrete preparation process is:
(1) plucking 1～2kg maturation Camellia, after rinsing well with clear water, being placed in temperature is to dry to it in 70～80 DEG C of baking ovens
After water content is 10～15%, then it is placed in hulling machine and carries out process of shelling, obtain camellia oleosa seed, the camellia oleosa seed obtained is placed in cold
Squeezing in oil press and extract oil, controlling press chamber temperature is 100～120 DEG C, and oil outlet temperature is 70～85 DEG C, obtains Camellia oil；
(2) above-mentioned prepared Camellia oil being placed in crystallizer, the temperature controlled in crystallizer is 3～5 DEG C, simultaneously in crystallizer
Camellia oil stirring, controlling mixing speed is 40～50r/min, after stirring freezing 1～2h, continues to be cooled to 0～1 DEG C, keeps
Stir speed (S.S.) is constant, after stirring growing the grain 7～8h, filters, obtains defat Camellia oil；
(3) the defat Camellia oil of above-mentioned preparation is placed in beaker, and in beaker, adds defat Camellia oil quality 7～8% mistake
Calcium oxide, after its stirring oxidation 40～50min, then dropping mass fraction is 45% dimethylamine solution in beaker, controls to drip
Acceleration is 5～8mL/min, and dripping quantity is the 10～12% of defat Camellia oil quality, and beaker is cooled to 7～8 simultaneously
DEG C so that it is reaction 40～45min；
(4), after question response terminates, in beaker, mixture quality 0.1～the stirring mixing of 0.5% potassium peroxydisulfate in beaker are added equal
After even, and beaker is heated to 68～75 DEG C, after reacting by heating polymerization 6～8h, stands and be cooled to room temperature, obtain polyreaction
Thing；
(5) measuring 1～2L Oleum Brassicae campestris, and be placed in crystallizer, the temperature controlled in crystallizer is 0～2 DEG C, simultaneously to dish
Seed oil is stirred with the speed of 30～45r/min so that it is stirred crystallization 5～6h, refilters, and obtains pretreatment Oleum Brassicae campestris, and will
Pretreatment Oleum Brassicae campestris is stirred mixing homogeneously being placed in beaker with the polymerization reactant 1:5 in mass ratio of above-mentioned preparation, right
Beaker is heated to 70～80 DEG C, heats 30～40min；
(6) to be heated complete after, then in heating thing, add heating material amount 1～2% Cetyltrimethylammonium bromide, stirring
Mix homogeneously so that it is after standing ripening 1～2h, asphaltic crude pour-point depressant can be prepared into.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108506730A (en) * | 2018-05-09 | 2018-09-07 | 苏州卫鹏机电科技有限公司 | A kind of air supply system and its air supply method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108506730A (en) * | 2018-05-09 | 2018-09-07 | 苏州卫鹏机电科技有限公司 | A kind of air supply system and its air supply method |
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Application publication date: 20161207 |