CN111978981A - Method for extracting rubber additive based on petroleum slurry - Google Patents
Method for extracting rubber additive based on petroleum slurry Download PDFInfo
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- CN111978981A CN111978981A CN201910438922.3A CN201910438922A CN111978981A CN 111978981 A CN111978981 A CN 111978981A CN 201910438922 A CN201910438922 A CN 201910438922A CN 111978981 A CN111978981 A CN 111978981A
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- temperature
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- extracting
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000002002 slurry Substances 0.000 title claims abstract description 28
- 239000003208 petroleum Substances 0.000 title claims abstract description 27
- 239000000654 additive Substances 0.000 title claims abstract description 25
- 230000000996 additive effect Effects 0.000 title claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 29
- 238000005194 fractionation Methods 0.000 claims abstract description 25
- 238000004821 distillation Methods 0.000 claims abstract description 20
- 239000010779 crude oil Substances 0.000 claims abstract description 10
- 238000010792 warming Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000010426 asphalt Substances 0.000 claims description 10
- 238000004523 catalytic cracking Methods 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000002912 waste gas Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims 1
- 238000010057 rubber processing Methods 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 description 8
- 239000003054 catalyst Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010092 rubber production Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G55/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process
- C10G55/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process plural serial stages only
- C10G55/06—Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process plural serial stages only including at least one catalytic cracking step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/01—Hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a method for extracting a rubber additive based on petroleum slurry, which belongs to the technical field of rubber processing and comprises the steps of extracting petroleum crude oil slurry, primary distillation, warming fractionation and proportioning mixing.
Description
Technical Field
The invention relates to the technical field of rubber processing, in particular to a method for extracting a rubber additive based on petroleum slurry.
Background
At present, as rubber products are becoming essential in life and industrial production, the efficiency and quality of rubber production are receiving attention from various tradesmen. In the existing rubber production, part of rubber additives are added into rubber according to a reasonable proportion, so that the performance indexes of the rubber, such as wear resistance, ductility and the like, are improved; however, the existing rubber additive has low extraction yield, and a large amount of catalyst is used during extraction, so that a large amount of reaction products are generated, the manufacturing cost is high, and the environmental pollution is easily caused during extraction.
Based on the above, the invention designs a method for extracting a rubber additive based on petroleum slurry oil to solve the problems.
Disclosure of Invention
The invention aims to provide a method for extracting a rubber additive based on petroleum slurry, which aims to solve the problems that the prior rubber additive extracted in the background art is low in extraction yield, a large amount of catalysts are used during extraction, a large amount of reaction products are generated, the manufacturing cost is high, and the environment is easily polluted during extraction.
In order to achieve the purpose, the invention provides the following technical scheme: a method for extracting a rubber additive based on petroleum slurry is characterized by comprising the following steps: the method comprises the following specific steps:
step one, extracting petroleum crude oil slurry, and carrying out catalytic cracking treatment on the petroleum crude oil slurry;
step two, primary distillation; putting the oil slurry after catalytic cracking into a distillation tank for moisture separation, and controlling the distillation temperature to be less than 80 ℃ during distillation;
step three, warming and fractionating; and (3) gradually increasing the temperature of the residual quantity subjected to the primary evaporation, wherein the temperature increasing stage is at least three stages:
first, primarily heating, and adjusting the temperature to 80-240 ℃ to obtain light fraction;
Second, heating again, raising the fractionation temperature to 291- > 320 ℃ to obtain middle distillate;
thirdly, raising the temperature again to ensure that the fractionation temperature is always higher than 331 ℃ to obtain heavy fraction;
step four, proportioning and mixing, namely mixing the powdery powder materials of the light fraction and the middle fraction, wherein the mixing mass ratio is 1: 1, preparing a rubber additive; subjecting the remaining heavy fraction and pitch to a 1: 5, mixing according to a mass ratio.
Preferably, in the process of carrying out the warming fractionation, the final off-gas in the fractionation process is again passed to the slurry inlet.
Preferably, before proportioning and mixing, the light fraction and the middle fraction obtained by heating are respectively ground by a grinder, and are stirred and mixed after grinding; and controlling the mixing temperature to be at least 49 ℃ when mixing the heavy fraction and the asphalt.
Preferably, after the fractionation, the temperature of the light fraction is controlled within the range of 241-290 ℃, and the temperature is increased in a gradient manner from 241 ℃ to 290 ℃, the temperature of the middle fraction is controlled within the range of 321-330 ℃ and the temperature is increased in a gradient manner from 321 ℃ to 290 ℃.
Preferably, during the primary distillation, the water vapor evaporated continuously is introduced into the distillation box again through the waste gas channel.
Preferably, in the proportioning and mixing process, the light fraction and the middle fraction are respectively screened by screens with different aperture ranges, and the light fraction and the middle fraction with the same aperture range are uniformly mixed.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the petroleum crude oil is subjected to catalytic cracking and the rubber additive is extracted in a fractionation mode, so that the extraction work of the additive can be realized under the action of less catalyst while the petroleum utilization rate is improved, the pollution to the environment is reduced, the energy is saved, the environment is protected, and the yield of the rubber additive is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of an extraction process according to the present invention;
FIG. 2 is a block diagram of a fractionation and warming process according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a method for extracting a rubber additive based on petroleum slurry is characterized by comprising the following steps: the method comprises the following specific steps:
step one, extracting petroleum crude oil slurry, and carrying out catalytic cracking treatment on the petroleum crude oil slurry;
step two, primary distillation; putting the oil slurry after catalytic cracking into a distillation tank for moisture separation, and controlling the distillation temperature to be less than 80 ℃ during distillation;
step three, warming and fractionating; and (3) gradually increasing the temperature of the residual quantity subjected to the primary evaporation, wherein the temperature increasing stage is at least three stages:
first, primarily heating, and adjusting the temperature to 80-240 ℃ to obtain light fraction;
second, heating again, raising the fractionation temperature to 291- > 320 ℃ to obtain middle distillate;
Thirdly, raising the temperature again to ensure that the fractionation temperature is always higher than 331 ℃ to obtain heavy fraction;
step four, proportioning and mixing, namely mixing the powdery powder materials of the light fraction and the middle fraction, wherein the mixing mass ratio is 1: 1, preparing a rubber additive; subjecting the remaining heavy fraction and pitch to a 1: 5, mixing according to a mass ratio.
After the petroleum crude oil is extracted, harmful substances such as hydrogen sulfide in the petroleum crude oil can be conveniently and rapidly catalytically cracked by using a catalyst in a catalytic cracking mode; before the petroleum slurry is fractionated, evaporation treatment needs to be carried out on the water content of less than 30%, auxiliary heating can be carried out before the fractionation, the rapid proceeding of primary heating fractionation in the fractionation process is promoted, light fractions and middle fractions obtained after the fractionation are raw materials of rubber additives, in addition, in order to avoid the waste of residual heavy fractions, condensed ring aromatic hydrocarbons, colloid and asphalt are contained in the heavy fractions, the heavy fractions and the asphalt cannot be used as the rubber additives, the heavy fractions and the asphalt can be mixed and then are utilized for road surface modification, the softening temperature of the asphalt road surface can be effectively improved by at least 2 ℃, the phenomenon that the road surface is soft due to sunlight irradiation on the asphalt road surface is reduced, when a vehicle runs, the running performance of the vehicle is influenced, and the oil consumption is increased.
In a further embodiment, during the warming fractionation, the final off-gas during the fractionation is again passed to the slurry inlet; in the fractionation process, a large amount of exhaust gas is generated, a large amount of harmful gas exists in the exhaust gas, the exhaust gas is directly exhausted into the air, the air is easily polluted, a certain fractionation allowance exists in the exhaust gas, and waste is caused by direct exhaust.
In a further embodiment, before proportioning and mixing, the light fraction and the middle fraction obtained by heating are respectively ground by a grinder, and are stirred and mixed after grinding; and controlling the mixing temperature to be at least 49 ℃ when the heavy fraction and the asphalt are mixed; when the asphalt and the heavy fraction are mixed, the physical state of the asphalt mixture is gradually softened at the temperature of over 49 ℃, so that the mixing difficulty can be effectively reduced during mixing.
In a further embodiment, after the fractionation, the temperature of the light fraction is controlled within the range of 241-290 ℃, and the temperature is increased from 241 ℃ to 290 ℃ in a gradient manner, the temperature of the middle fraction is controlled within the range of 321-330 ℃, and the temperature is increased from 321 ℃ to 290 ℃; after the light fraction is obtained, the fractionation temperature is lower than 241 ℃, the viscosity and the flash point of the light fraction can be effectively improved by increasing the temperature and adjusting the temperature within the range of 241-290 ℃, and in the same way, the viscosity and the flash point are improved by adjusting the middle fraction within the range of 321-330 ℃, so that the performances of the rubber in all aspects can be effectively improved and the adhesiveness of the rubber can be improved when the light fraction and the middle fraction are mixed and then act on the rubber.
In a further embodiment, during the primary distillation, the water vapor continuously distilled and volatilized is introduced into the distillation box body again through the waste gas channel; during the distillation, a certain amount of light fraction or middle fraction is mixed in the distilled and volatilized water vapor and is directly discharged, so that the pollution to the atmosphere is caused, and the waste of petroleum energy is caused.
In a further embodiment, in the proportioning and mixing process, the light fraction and the middle fraction are respectively screened by screens with different aperture ranges, and the light fraction and the middle fraction with the same aperture range are uniformly mixed; carrying out 1: 1 when mixing, can also select different aperture ranges through utilizing the screen cloth, and carry out screening work to light fraction and middle distillate, and mix light fraction and middle distillate in the same screen cloth aperture range after screening, this kind of mode can improve the particle diameter homogeneity when mixing, and can improve the toughness of the rubber of producing and all aspects such as ductility.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A method for extracting a rubber additive based on petroleum slurry is characterized by comprising the following steps: the method comprises the following specific steps:
step one, extracting petroleum crude oil slurry, and carrying out catalytic cracking treatment on the petroleum crude oil slurry;
step two, primary distillation; putting the oil slurry after catalytic cracking into a distillation tank for moisture separation, and controlling the distillation temperature to be less than 80 ℃ during distillation;
step three, warming and fractionating; and (3) gradually increasing the temperature of the residual quantity subjected to the primary evaporation, wherein the temperature increasing stage is at least three stages:
first, primarily heating, and adjusting the temperature to 80-240 ℃ to obtain light fraction;
Second, heating again, raising the fractionation temperature to 291- > 320 ℃ to obtain middle distillate;
thirdly, raising the temperature again to ensure that the fractionation temperature is always higher than 331 ℃ to obtain heavy fraction;
step four, proportioning and mixing, namely mixing the powdery powder materials of the light fraction and the middle fraction, wherein the mixing mass ratio is 1: 1, preparing a rubber additive; subjecting the remaining heavy fraction and pitch to a 1: 5, mixing according to a mass ratio.
2. The method for extracting the rubber additive based on the petroleum slurry as claimed in claim 1, wherein the method comprises the following steps: during the warming fractionation, the final off-gas during the fractionation is again passed to the slurry inlet.
3. The method for extracting the rubber additive based on the petroleum slurry as claimed in claim 1, wherein the method comprises the following steps: before proportioning and mixing, grinding the light fraction and the middle fraction obtained by heating by a grinder respectively, and stirring and mixing after grinding; and controlling the mixing temperature to be at least 49 ℃ when mixing the heavy fraction and the asphalt.
4. The method for extracting the rubber additive based on the petroleum slurry as claimed in claim 1, wherein the method comprises the following steps: after the fractionation, the temperature of the light fraction is controlled within the range of 241-290 ℃, the temperature is increased from 241 ℃ to 290 ℃ in a gradient manner, the temperature of the middle fraction is controlled within 321-330 ℃, and the temperature is increased from 321 ℃ to 290 ℃.
5. The method for extracting the rubber additive based on the petroleum slurry as claimed in claim 1, wherein the method comprises the following steps: and in the primary distillation process, introducing the water vapor volatilized continuously into the distillation box body again through the waste gas channel.
6. The method for extracting the rubber additive based on the petroleum slurry as claimed in claim 1, wherein the method comprises the following steps: in the proportioning and mixing process, the light fraction and the middle fraction are respectively screened in fraction diameter through screens with different range aperture, and the light fraction and the middle fraction with the same diameter range are uniformly mixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910438922.3A CN111978981A (en) | 2019-05-24 | 2019-05-24 | Method for extracting rubber additive based on petroleum slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910438922.3A CN111978981A (en) | 2019-05-24 | 2019-05-24 | Method for extracting rubber additive based on petroleum slurry |
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| Publication Number | Publication Date |
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| CN111978981A true CN111978981A (en) | 2020-11-24 |
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| CN201910438922.3A Pending CN111978981A (en) | 2019-05-24 | 2019-05-24 | Method for extracting rubber additive based on petroleum slurry |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203346342U (en) * | 2013-07-11 | 2013-12-18 | 长岭炼化岳阳工程设计有限公司 | Self-adaption sublevel modularization oil slurry filtering separation device |
| CN103540347A (en) * | 2013-10-24 | 2014-01-29 | 中国石油化工股份有限公司 | Method of producing high aromatic rubber operating oil during catalytic cracking |
| CN104212488A (en) * | 2013-06-05 | 2014-12-17 | 中国石油天然气股份有限公司 | Environment-friendly rubber oil and preparation method thereof |
-
2019
- 2019-05-24 CN CN201910438922.3A patent/CN111978981A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104212488A (en) * | 2013-06-05 | 2014-12-17 | 中国石油天然气股份有限公司 | Environment-friendly rubber oil and preparation method thereof |
| CN203346342U (en) * | 2013-07-11 | 2013-12-18 | 长岭炼化岳阳工程设计有限公司 | Self-adaption sublevel modularization oil slurry filtering separation device |
| CN103540347A (en) * | 2013-10-24 | 2014-01-29 | 中国石油化工股份有限公司 | Method of producing high aromatic rubber operating oil during catalytic cracking |
Non-Patent Citations (1)
| Title |
|---|
| 王丽涛等: "催化裂化油浆抽提油作橡胶添加剂的研究", 《炼油技术与工程》 * |
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Application publication date: 20201124 |
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