CN104829897B - Oil sludge prepares the production technology of reclaimed rubber - Google Patents
Oil sludge prepares the production technology of reclaimed rubber Download PDFInfo
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- CN104829897B CN104829897B CN201510254108.8A CN201510254108A CN104829897B CN 104829897 B CN104829897 B CN 104829897B CN 201510254108 A CN201510254108 A CN 201510254108A CN 104829897 B CN104829897 B CN 104829897B
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 91
- 239000005060 rubber Substances 0.000 title claims abstract description 91
- 239000010802 sludge Substances 0.000 title claims abstract description 37
- 238000005516 engineering process Methods 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 32
- 239000003921 oil Substances 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 230000004913 activation Effects 0.000 claims abstract description 19
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 19
- 230000023556 desulfurization Effects 0.000 claims abstract description 19
- 239000000047 product Substances 0.000 claims abstract description 12
- 239000007864 aqueous solution Substances 0.000 claims abstract description 11
- 239000003292 glue Substances 0.000 claims abstract description 11
- XFTALRAZSCGSKN-UHFFFAOYSA-M sodium;4-ethenylbenzenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C1=CC=C(C=C)C=C1 XFTALRAZSCGSKN-UHFFFAOYSA-M 0.000 claims abstract description 11
- 239000002244 precipitate Substances 0.000 claims abstract description 10
- 239000002699 waste material Substances 0.000 claims abstract description 9
- 239000010779 crude oil Substances 0.000 claims abstract description 8
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 6
- 239000003999 initiator Substances 0.000 claims abstract description 6
- 239000010734 process oil Substances 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 12
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 11
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 11
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 7
- 229910052717 sulfur Inorganic materials 0.000 claims description 7
- 239000011593 sulfur Substances 0.000 claims description 7
- 238000010792 warming Methods 0.000 claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 6
- 239000012298 atmosphere Substances 0.000 claims description 5
- 230000008929 regeneration Effects 0.000 claims description 4
- 238000011069 regeneration method Methods 0.000 claims description 4
- 239000002689 soil Substances 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000012190 activator Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000004902 Softening Agent Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000037452 priming Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- -1 waxiness Substances 0.000 description 3
- 229910052738 indium Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 241001441571 Hiodontidae Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a kind of oil sludge and prepare the production technology of reclaimed rubber, comprise the steps: that (1), with sodium p styrene sulfonate aqueous solution as abluent, uses heat chemistry ablution to process oil sludge, fully precipitates, take upper strata crude oil and time upper liquid, standby as mixed liquor；(2) take waste old and pulverize formation rubber powder；(3) in activation pot, rubber powder reacts in the presence of initiator with the mixed liquor of step (1)；(4) High Temperature High Pressure desulfurization；(5) reclaimed rubber after desulfurization is refined glue, make rubber product.The present invention more efficiently solves the problem of oil sludge contaminated soil and environment, and refuse is become regenerated resources, has saved the energy of preciousness and substantial amounts of fund；And every mechanical property of prepared rubber product all can reach or be better than concerned countries standard, significantly increases the added value of oil sludge, can have a tremendous social and economic benefits, it is suitable for popularity and uses.
Description
Technical field
The present invention relates to the Application way of a kind of oil sludge, a kind of oil sludge prepares the production of reclaimed rubber
Technique.
Background technology
Oily sandy sludge is mainly what oil field produced in oil exploration, exploitation, the composition of oily sandy sludge own
Complex, containing a large amount of aged crude oil, waxiness, colloid, solid suspension, salt, sour gas etc.,
The existence of these compositions causes to decompose completely under natural conditions needs the years up to a hundred；Oily sludge is directly outer arranges meeting
Take a large amount of soil, noxious substance meeting contaminant water, soil and the air that it contains, deteriorate ecological environment；At present,
Sludge in Oilfields sand is put into the oily waste water species (HW08 item) in " National Hazard refuse catalogue "；According to
The current crude output of China (16 × 108t/a) is estimated, has the oil sludge and sand of nearly million tons to produce every year, seriously polluted, urgently
To be solved.
Summary of the invention
The purpose of the present invention is aiming at the defect that prior art exists, it is provided that a kind of oil sludge of twice laid
Preparing the production technology of reclaimed rubber, its technical scheme is:
(1) with sodium p styrene sulfonate aqueous solution as abluent, use heat chemistry ablution to process oil sludge, fully precipitate,
Take upper strata crude oil and time upper liquid, be incorporated as mixed liquor standby；
(2) take waste old and pulverize formation rubber powder；
(3) in activation pot, rubber powder reacts in the presence of initiator with the mixed liquor of step (1)；
(4) High Temperature High Pressure desulfurization；
(5) reclaimed rubber after desulfurization is refined glue, make rubber product.
Step (1) uses heat chemistry ablution to process oil sludge.Research shows, oil sludge does not contains only
The asphalitine of certain content and high molecular polymer, these asphalitines and high molecular polymer regenerated at scrap rubber
It journey is good softening agent；Meanwhile, possibly together with the high molecular polymers such as polyacrylamide and sulfur in oily sludge
Alcohol compound, these materials are indispensable activators in scrap rubber regenerative process.But, according to source
Difference, oil sludge is possibly together with the inorganic impurities such as a large amount of grains of sand, earth, heavy metal salt, the usual grain of these materials
Footpath is relatively big, not only has a negative impact the performance of reclaimed rubber in scrap rubber regenerative process, simultaneously to regeneration work
Process and equipment produces bigger infringement.
After the heat chemistry ablution using step (1) processes, through fully precipitation, crude oil in oil sludge,
Water and inorganic impurity are sufficiently separated, hence it is evident that be divided into four layers.Upper strata is black jack layer, and secondary upper liquid mainly contains
Having the aqueous solution of sodium p styrene sulfonate, third layer is non-cleanout fluid, and orlop is inorganic impurity.Due to
Upper strata crude oil contains aforementioned softening agent and activator, and therefore, step (1) is the equal of that the enrichment of active substance is pure
Change step.
Advantageously, the process conditions of step (1) are as follows: according to the ratio of weight ratio 1:2-1:6, by dirt
Greasy filth joins in the sodium p styrene sulfonate aqueous solution of 5-10wt%, and regulation pH is 10-14；Stir at 50-90 DEG C
Mix 0.5-2 hour, fully precipitate, take upper liquid and time upper liquid, be incorporated as mixed liquor standby.Excellent at one
Select in embodiment, according to the ratio of weight ratio 1:3-1:5, oil sludge is joined 6-9wt% to benzene second
In alkene sodium sulfonate aqueous solution, regulation pH is 11-13；Stir 1-2 hour at 60-80 DEG C, fully precipitate, take
Layer liquid and time upper liquid, be incorporated as mixed liquor standby.In a detailed description of the invention, according to weight ratio 1:
The ratio of 4, joins in the sodium p styrene sulfonate aqueous solution of 8wt% by oil sludge, and regulation pH is 12；70℃
Lower stirring 2 hours, fully precipitates, and takes upper liquid and time upper liquid, is incorporated as mixed liquor standby.
Waste old source is varied, such as, can be junked tire, sebific duct, rubber overshoes.Clear through classification
Washing, these waste olds are taked normal temperature crushing up or low-temperature grinding method to pulverize and are formed rubber powder, preferably ambient ground
Method.Rubber powder size is the least, the strongest with activator and softening agent effect, is distributed the most uniform in the substrate, performance
More stable；But, when particle diameter is the least, rubber powder particle and the inierpeneirating network structure of activator formation and percent grafting
Reduce.Advantageously, the process conditions of step (2) are as follows: take waste old classification and clean；Pulverize and form particle diameter
Rubber powder for 50-150 mesh.In a preferred embodiment, take waste old classification to clean；Pulverize and form grain
Footpath is the rubber powder of 80-120 mesh.In a detailed description of the invention, take waste old classification and clean；Pulverize and formed
Particle diameter is the rubber powder of 100 mesh.
Step (3) is priming reaction step, and rubber powder reacts in the presence of initiator with the mixed liquor of step (1), shape
Become graft copolymer or interpenetrating networks or parcel winding arrangement, thus change the surface activity of rubber powder, improve
Especially and activator is with the compatibility between the polymeric material of type for itself and polymeric material.Obtained by
Activated rubber powder impact resistance significantly improves, and hot strength is higher, and elongation at break may be up to more than 400%.
Inventor finds, in priming reaction step, not only there is poly-third in the upper strata crude oil of step (1)
The grafting between high molecular polymer and sulfur alcohol compound and rubber powder such as acrylamide or copolyreaction；And exist
The secondary upper liquid of step (1) and i.e. contain the high molecular polymerizations such as the aqueous solution of sodium p styrene sulfonate and polyacrylamide
Grafting between thing and rubber powder or copolyreaction.Owing to reaction system is carried out under solution state, we
Believing, the mechanism of step (3) is probably emulsion polymerization.In addition it should be pointed out that, owing to step (1) obtains
To crude oil be considerably greater in weight than the secondary upper liquid of step (1), present in reaction system, moisture can't be to follow-up
Reaction produces significantly negative effect.
In priming reaction step, the initiator used is benzoyl peroxide or dibenzoyl peroxide；
It is preferably benzoyl peroxide.Initiator content is typically the 0.01-0.1wt% of raw material gross weight.Course of reaction is relatively
Advantageously use inert atmosphere protection, so can improve efficiency of initiation.
Advantageously, the process conditions of step (3) are as follows: in activation pot, according to weight ratio 1:2-1:20
Ratio, the rubber powder of step (2) is joined in the mixed liquor of step (1)；It is subsequently adding appropriate benzoyl peroxide,
Stirring makes raw material be sufficiently mixed under an inert atmosphere, is warming up to 50-70 DEG C, reacts 2-12 hour.At one preferably
In embodiment, in activation pot, according to the ratio of weight ratio 1:4-1:10, the rubber powder of step (2) is added
In the mixed liquor of step (1)；Being subsequently adding appropriate benzoyl peroxide, stirring makes raw material fill under an inert atmosphere
Divide mixing, be warming up to 50-60 DEG C, react 3-8 hour.In a detailed description of the invention, in activation pot,
According to the ratio of weight ratio 1:5, the rubber powder of step (2) is joined in the mixed liquor of step (1)；It is subsequently adding suitable
Amount benzoyl peroxide, stirring makes raw material be sufficiently mixed under an inert atmosphere, is warming up to 60 DEG C, reacts 5 hours.
Step (4) is High Temperature High Pressure desulfurized step, is at about 200 DEG C or higher high temperature and more than 10
S--S and the C-S key of rubber is broken under the high pressure of atmospheric pressure.Due to the existence of step (3), taking off in step (4)
In sulfur step, it is possible to preferably realize " not destroying rubber C-C main chain and being only turned off sulfide linkage crosslinking site, i.e.
One sulfur, two sulfur and polysulfide associative key ", thus on higher degree, remain the Physical Mechanical of reclaimed rubber
Energy.
Without discharging, step (4) can directly use thermal source to be pressurizeed by the raw material of step (3).Relatively have
Profit ground, the process conditions of step (4) are as follows: the raw material in activation pot is heated to 180-260 DEG C, control pressure and exist
1.8-3.0MPa, is incubated 2-10 hour, obtains the reclaimed rubber after desulfurization.In a preferred embodiment, will
Raw material in activation pot is heated to 200-240 DEG C, and control pressure, at 2.0-2.8MPa, is incubated 3-8 hour, obtains
Reclaimed rubber after desulfurization.In a detailed description of the invention, the raw material in activation pot is heated to 220 DEG C, controls
Pressure, at 2.4MPa, is incubated 5 hours, obtains the reclaimed rubber after desulfurization.
Step (5) first carries out release cooling, discharges the gas in activation pot, then discharging.After desulfurization again
Rubber refiner in moulding equipment and mill carry out tabletted, make reclaimed rubber product.Refine
Machine uses φ 450 × φ 510 type, and front and back rolling curve speed ratio is for 38.4:64.2m/min；Mill uses φ 450
× φ 510 type, front and back rolling curve speed is than for 24.6:52.3m/min.Advantageously, the process conditions of step (5)
As follows: release cools down, discharging；Use refiner and mill that the reclaimed rubber after desulfurization is refined glue, refine into not
The reclaimed rubber film of stack pile.Carry out further mixing and sulfuration can also make the rubber systems such as highway deceleration strip
Product, it is achieved that the recycling of refuse.
Every mechanics according to national standard test reclaimed rubbers such as GB/T 13460-2008 and GB/T 528-1998
Performance, including hot strength, elongation at break and Mooney viscosity.Result shows, the rubber product of the present invention draws
Stretching intensity and be more than or equal to 412% more than or equal to 26.8MPa, elongation at break, Mooney viscosity is less than or equal to 42.6.
Visible, owing to employing the technique for regenerated rubber of the present invention, the property indices of gained reclaimed rubber product is equal
Can reach or be better than concerned countries standard, so disclosure satisfy that user's requirements at the higher level for reclaimed rubber product.
On the other hand, owing to employing the technique for regenerated rubber of the present invention, improve the comprehensive utilization ratio of oil sludge,
Improve production efficiency, it is to avoid regeneration technology device is produced bigger infringement.
Compared with prior art, the oil sludge of the present invention is prepared the production technology of reclaimed rubber and is more efficiently solved
Oil sludge contaminated soil and the problem of environment, become refuse into regenerated resources, has saved the energy of preciousness and big
The fund of amount；And every mechanical property of prepared rubber product all can reach or be better than concerned countries mark
Standard, significantly increases the added value of oil sludge, can have a tremendous social and economic benefits, and is suitable for universal
Promote the use of.
Detailed description of the invention
Embodiment 1:
According to the ratio of weight ratio 1:4, oil sludge is joined the sodium p styrene sulfonate aqueous solution of 8wt%
In, regulation pH is 12；The speed using 250r/min at 70 DEG C stirs 2 hours, fully precipitates, takes upper strata
Liquid and time upper liquid, be incorporated as mixed liquor standby.Take junked tire, sebific duct, rubber overshoes classification cleaning；Pulverize
Form the rubber powder that particle diameter is 100 mesh.In activation pot, according to the ratio of weight ratio 1:5, rubber powder is joined
In aforementioned mixed liquor；It is subsequently adding benzoyl peroxide based on raw material gross weight 0.05%, stirs in a nitrogen atmosphere
Mix, make raw material be sufficiently mixed, be warming up to 60 DEG C, react 5 hours.Raw material in activation pot is heated to 220 DEG C,
Control pressure, at 2.4MPa, is incubated 5 hours, obtains the reclaimed rubber after desulfurization.Release cools down, discharging；Use
Reclaimed rubber after desulfurization is refined glue by refiner and mill, refines into the reclaimed rubber film of different-thickness.Pass through
Detection, hot strength is more than or equal to 26.8MPa, and elongation at break is more than or equal to 352%, and Mooney viscosity is less than
In 56.9.
Embodiment 2:
According to the ratio of weight ratio 1:2, oil sludge is joined the sodium p styrene sulfonate aqueous solution of 5wt%
In, regulation pH is 14；The speed using 250r/min at 90 DEG C stirs 0.5 hour, fully precipitates, takes
Layer liquid and time upper liquid, be incorporated as mixed liquor standby.Take junked tire, sebific duct, rubber overshoes classification cleaning；Powder
Broken formation particle diameter is the rubber powder of 60 mesh.In activation pot, according to the ratio of weight ratio 1:2, rubber powder is added
In aforementioned mixed liquor；It is subsequently adding benzoyl peroxide based on raw material gross weight 0.03%, in a nitrogen atmosphere
Stirring, makes raw material be sufficiently mixed, is warming up to 50 DEG C, react 3 hours.Raw material in activation pot is heated to 180 DEG C,
Control pressure, at 3.2MPa, is incubated 8 hours, obtains the reclaimed rubber after desulfurization.Release cools down, discharging；Use
Reclaimed rubber after desulfurization is refined glue by refiner and mill, refines into the reclaimed rubber film of different-thickness.Pass through
Detection, hot strength is more than or equal to 24.2MPa, and elongation at break is more than or equal to 412%, and Mooney viscosity is less than
In 42.6.
Embodiment 3:
According to the ratio of weight ratio 1:6, the sodium p styrene sulfonate that oil sludge joins 10wt% is water-soluble
In liquid, regulation pH is 10；The speed using 250r/min at 50 DEG C stirs 1 hour, fully precipitates, takes
Layer liquid and time upper liquid, be incorporated as mixed liquor standby.Take junked tire, sebific duct, rubber overshoes classification cleaning；Powder
Broken formation particle diameter is the rubber powder of 160 mesh.In activation pot, according to the ratio of weight ratio 1:18, rubber powder is added
Enter in aforementioned mixed liquor；It is subsequently adding benzoyl peroxide based on raw material gross weight 0.1%, at nitrogen atmosphere
Lower stirring, makes raw material be sufficiently mixed, and is warming up to 70 DEG C, reacts 12 hours.Raw material in activation pot is heated to
260 DEG C, control pressure, at 1.8MPa, is incubated 7 hours, obtains the reclaimed rubber after desulfurization.Release cools down, and goes out
Material；Use refiner and mill that the reclaimed rubber after desulfurization is refined glue, refine into the reclaimed rubber glue of different-thickness
Sheet.Through detection, hot strength is more than or equal to 22.5MPa, and elongation at break is more than or equal to 368%, and Mooney glues
Degree is less than or equal to 62.4.
Comparative example 1:
Take junked tire, sebific duct, rubber overshoes classification cleaning；Pulverize and form the rubber powder that particle diameter is 100 mesh.Living
Change in tank, according to the ratio of weight ratio 1:5, rubber powder is joined in undressed oil sludge；It is subsequently adding
Benzoyl peroxide based on raw material gross weight 0.05%, stirs in a nitrogen atmosphere, makes raw material be sufficiently mixed, and rises
Temperature, to 60 DEG C, is reacted 5 hours.Raw material in activation pot is heated to 220 DEG C, control pressure at 2.4MPa,
It is incubated 5 hours, obtains the reclaimed rubber after desulfurization.Release cools down, discharging；Refiner and mill is used to take off
Reclaimed rubber refining glue after sulfur, refines into the reclaimed rubber film of different-thickness.Through detection, hot strength is more than
Equal to 13.4MPa, elongation at break is more than or equal to 140%, and Mooney viscosity is less than or equal to 94.8.
As can be seen here, and directly use oil sludge as compared with raw material, use the oil sludge of the present invention to prepare again
The property indices of the reclaimed rubber product obtained by the production technology of rubber is significantly superior, it is possible to meet user couple
Requirements at the higher level in reclaimed rubber product.On the other hand, reclaimed rubber is prepared owing to employing the oil sludge of the present invention
Production technology, improve the comprehensive utilization ratio of oil sludge, improve production efficiency, it is to avoid to regeneration technology
Device produces bigger infringement.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for ability
For the technical staff in territory, the present invention can have various modifications and variations.All the spirit and principles in the present invention it
In, any modification, equivalent substitution and improvement etc. made, within being all contained in protection scope of the present invention.
Claims (5)
1. oil sludge prepares a production technology for reclaimed rubber, comprises the steps:
(1) with sodium p styrene sulfonate aqueous solution as abluent, use heat chemistry ablution to process oil sludge, fully precipitate,
Take upper strata crude oil and time upper liquid, standby as mixed liquor；
(2) take waste old and pulverize formation rubber powder；
(3) in activation pot, rubber powder reacts in the presence of initiator with the mixed liquor of step (1)；
(4) High Temperature High Pressure desulfurization；
(5) reclaimed rubber after desulfurization is refined glue, make rubber product；
Wherein, the process conditions of described step (1) are as follows: according to the ratio of weight ratio 1:2-1:6, added by oil sludge
Entering in the sodium p styrene sulfonate aqueous solution of 5-10wt%, regulation pH is 10-14；0.5-2 is stirred at 50-90 DEG C
Hour, fully precipitate, take upper liquid and time upper liquid, be incorporated as mixed liquor standby.
Production technology the most according to claim 1, wherein, the process conditions of described step (2) are as follows: take waste and old
Rubber classification is cleaned；Pulverize and form the rubber powder that particle diameter is 50-150 mesh.
Production technology the most according to claim 1, wherein, the process conditions of described step (3) are as follows: in activation
In tank, according to the ratio of weight ratio 1:2-1:20, the rubber powder of step (2) is joined in the mixed liquor of step (1)；
Being subsequently adding appropriate benzoyl peroxide, stirring makes raw material be sufficiently mixed under an inert atmosphere, is warming up to 50-70 DEG C,
React 2-12 hour.
Production technology the most according to claim 1, wherein, the process conditions of described step (4) are as follows: will activation
Raw material in tank is heated to 180-260 DEG C, and control pressure, at 1.8-3.0MPa, is incubated 2-10 hour, is taken off
Reclaimed rubber after sulfur.
Production technology the most according to claim 1, wherein, the process conditions of described step (5) are as follows: release is cold
But, discharging；Use refiner and mill that the reclaimed rubber after desulfurization is refined glue, refine into the regeneration of different-thickness
Film for rubber.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510254108.8A CN104829897B (en) | 2015-05-18 | 2015-05-18 | Oil sludge prepares the production technology of reclaimed rubber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510254108.8A CN104829897B (en) | 2015-05-18 | 2015-05-18 | Oil sludge prepares the production technology of reclaimed rubber |
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| CN104829897B true CN104829897B (en) | 2016-11-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106188613A (en) * | 2016-07-19 | 2016-12-07 | 青岛三聚猫环保能源科技有限公司 | Reclaimed rubber prepared by a kind of oil field mud and production method thereof |
| CN106009035A (en) * | 2016-07-19 | 2016-10-12 | 青岛三聚猫环保能源科技有限公司 | Reclaimed rubber prepared from oilfield silicon sludge and production method of reclaimed rubber |
| CN112745524B (en) * | 2019-10-30 | 2022-08-12 | 中国石油化工股份有限公司 | Preparation method of reclaimed rubber |
| CN113122011B (en) * | 2019-12-31 | 2022-07-12 | 中国石油化工股份有限公司 | Rubber filler |
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| US4478727A (en) * | 1982-09-13 | 1984-10-23 | Exxon Research & Engineering Co. | Sodium styrene sulfonate-co-sodium-n-(4-sulfophenyl)-maleimide- an improved viscosity control additive |
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| CN104418477A (en) * | 2013-09-04 | 2015-03-18 | 中国石油天然气股份有限公司 | Suspended oily sludge compound cleaning agent and application thereof |
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Effective date of registration: 20200929 Address after: 257000 Guangdao West Road, Gudao Town, Hekou District, Dongying, Shandong, China Patentee after: DONGYING JINDAO ENVIRONMENTAL ENGINEERING Co.,Ltd. Patentee after: Shengli Oilfield Jindao industry limited liability company of agro industry and Trade Co. Address before: 257231 Guangming West Road, Gudao Town, Hekou District, Shandong, Dongying Patentee before: DONGYING JINDAO ENVIRONMENTAL ENGINEERING Co.,Ltd. |