CN109731512A - A kind of hydrocarbon oil hydrogenation device and technique - Google Patents
A kind of hydrocarbon oil hydrogenation device and technique Download PDFInfo
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- CN109731512A CN109731512A CN201910170362.8A CN201910170362A CN109731512A CN 109731512 A CN109731512 A CN 109731512A CN 201910170362 A CN201910170362 A CN 201910170362A CN 109731512 A CN109731512 A CN 109731512A
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- runner
- mixing
- hydrocarbon oil
- oil hydrogenation
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- 239000004215 Carbon black (E152) Substances 0.000 title claims abstract description 46
- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 46
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 38
- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000001257 hydrogen Substances 0.000 claims description 29
- 229910052739 hydrogen Inorganic materials 0.000 claims description 29
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 22
- 239000007789 gas Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 9
- -1 hydrogen hydrocarbon Chemical class 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 6
- 239000007791 liquid phase Substances 0.000 claims description 5
- 239000013058 crude material Substances 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 28
- 230000000694 effects Effects 0.000 description 15
- 239000000446 fuel Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- WURBVZBTWMNKQT-UHFFFAOYSA-N 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)butan-2-one Chemical compound C1=NC=NN1C(C(=O)C(C)(C)C)OC1=CC=C(Cl)C=C1 WURBVZBTWMNKQT-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000011280 coal tar Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- LOTCVJJDZFMQGB-UHFFFAOYSA-N [N].[O].[S] Chemical compound [N].[O].[S] LOTCVJJDZFMQGB-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001833 catalytic reforming Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The present invention relates to a kind of hydrocarbon oil hydrogenation device and technique, which includes the microchannel mixed cell and fixed bed reactors being sequentially communicated；The microchannel mixed cell includes several micro-channel mixers, the micro-channel mixer includes ontology, feed liquor runner, air inlet runner, mixing runner and multiple mixing chambers are equipped in ontology, the feed liquor runner, air inlet runner are connected to the feed end of mixing runner, the multiple mixing chamber is connected to mixing runner and is sequentially distributed along mixing runner, it is equipped with vent diverter in mixing chamber, mixing chamber is divided into the sub- cavity of at least two.The present invention can effectively promote hydrocarbon oil hydrogenation production efficiency, promote production capacity, be further simplified hydrogenation plant.
Description
Technical field
The present invention relates to a kind of hydrocarbon oil hydrogenation device and techniques, belong to petrochemical industry.
Background technique
In recent years, with the increasingly scarcity of petroleum resources, crude oil heaviness, in poor quality trend are on the rise, are steamed by crude oil
S, N, the O and tenor for evaporating resulting intermediate oil are also increase accordingly.However, the laws and regulations of countries in the world are to each
S, N, O and tenor in kind fuel oil require but increasingly harsher.
Hydrotreating is S, N, O and metal impurities in removing hydrocarbon ils, improves the conventional means of midbarrel oil quality.
The hydrocarbon ils includes gasoline, reformed oil, jet fuel, diesel oil, wax oil, coal tar, lubricating oil etc.；Described plus hydrogen includes adding
It hydrogen demetalization, denitrogenation, deoxidation, deolefination, desulfurization and is hydrocracked.Currently, oil refining hydrocarbon oil hydrogenation technique is mainly using fixation
Bed hydroprocessing technique when carrying out hydrotreating, needs in hydrogen injection liquid hydrogen hydrocarbon ils to be added, to realize that air-fuel mixture, oil gas are mixed
It closes object then to contact with catalyst, carries out hydrogenation reaction.Fixed bed hydrogenation consersion unit generally comprises oil-gas mixer and fixation
Bed reactor, the mixed effect of oil-gas mixer are directly related to hydrocarbon oil hydrogenation treatment effect, existing fixed bed hydrogenation reaction
The disadvantages of in equipment, oil-gas mixer generally uses film mixer, not high enough there are mixing efficiency.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of hydrocarbon oil hydrogenation device and technique, to realize hydrogen and hydrocarbon ils
Efficiently mixing promotes hydrocarbon oil hydrogenation treatment effect.
In order to solve the above-mentioned technical problem, technical scheme is as follows:
A kind of hydrocarbon oil hydrogenation device, including the microchannel mixed cell being sequentially communicated and fixed bed reactors；The microchannel is mixed
Closing unit includes several micro-channel mixers, and the micro-channel mixer includes ontology, is equipped with feed liquor runner, inlet air flow in ontology
Road, mixing runner and multiple mixing chambers, the feed liquor runner, air inlet runner are connected to the feed end of mixing runner, described more
A mixing chamber is connected to mixing runner and is sequentially distributed along mixing runner, and vent diverter is equipped in mixing chamber, by mixing chamber point
It is divided into the sub- cavity of at least two.
In this way, hydrogen hydrocarbon ils to be added is inputted feed liquor runner by the inlet by microchannel mixed cell, it is mixed by microchannel
Hydrogen is inputted air inlet runner by the air inlet for closing unit, and hydrogen hydrocarbon ils and hydrogen to be added import mixing runner, and pass sequentially through each
Mixing chamber, the setting of vent diverter in mixing chamber, so that single channel is divided into multiple flow passages in tiny area, in the tiny area shape
At turbulent region, hydrogen gas bubbles are constantly broken into more tiny bubble, hydrogen is promoted preferably to be dissolved in hydrocarbon ils, and make hydrogen
Gas is efficiently mixed with hydrogen hydrocarbon ils to be added, by the effect of each mixing chamber, the dissolution of hydrogen and hydrogen hydrocarbon ils to be added is substantially improved, mixes
Effect is closed, the high hydrogeneous hydrocarbon ils (optionally, the molten hydrogen amount >=20-50% of hydrocarbon ils) of hydrogen content is obtained；After the completion of mixing, hydrogeneous hydrocarbon
Oil is directly entered fixed bed reactors, and catalytic hydrogenation help to obtain higher production efficiency and impurity removal effect；In addition,
After the completion of mixing, without carrying out gas-liquid separation processing, catalytic hydrogenation treatment is directly carried out, device and process flow obtain letter
Change.
Optionally, the quantity of the micro-channel mixer is the multiple of parallel connection, in this way, microchannel mixing can be promoted further
The processing capacity of unit promotes production capacity.Can also modularization setting, convenient accurate control mixed processes.
Optionally, the mixing chamber is flat, and whole is in one of cardioid, circle, ellipse, preferably cardioid.
Optionally, the vent diverter is one of crescent, diamond shape, circle, ellipse, preferably crescent.
Optionally, the cross section of the mixing runner is circle, internal diameter 0.3-3mm, preferably 0.5-1.5mm.
Optionally, the cross-sectional area of the mixing runner is gradually increased by feed end to discharge end, it is preferable that mixing runner
The cross-sectional area of feed end be 1.1-2 times, preferably 1.1-1.5 times of discharge end cross-sectional area.In this way, taking into account mixed effect
With the big factor of pressure drop two, the pressure drop of good mixed effect and suitable size ensure that.
Optionally, existing conventional fixed bed reactors can be selected in the fixed bed reactors.Optionally, the fixed bed is anti-
Answering device includes hollow tower body, and the lower end of tower body is connected to microchannel mixed cell, the upper end of tower body and is communicated with outlet tube road,
Catalyst bed is equipped in tower body.
It optionally, further include the hydrocarbon oil crude material tank and pump being sequentially communicated, the liquid outlet and microchannel mixed cell of the pump
Inlet connection.
Based on the same inventive concept, the present invention also provides a kind of hydrocarbon oil hydrogenation techniques, utilize hydrocarbon oil hydrogenation as described above
Device carries out, and includes the following steps:
It is passed through hydrogen hydrocarbon ils to be added to the feed liquor runner of micro-channel mixer, while being passed through hydrogen to the inlet channel of micro-channel mixer
Gas obtains gas mixture in the discharge end of mixing runner；
The gas mixture is passed through fixed bed reactors, under liquid-phase hydrogenatin treatment conditions, gas mixture and fixed bed
Catalyst in reactor with catalytic hydrogenation contacts, and obtains hydrogenation products.
Optionally, the liquid-phase hydrogenatin treatment conditions are conventional liquid phase hydroprocessing condition.
Compared with prior art, beneficial effects of the present invention are as follows:
1) in the present invention, hydrogeneous hydrocarbon ils hydrogen carrying amount is high, can obtain higher production efficiency, help to obtain impurity content more
Low, up-to-standard hydrocarbon ils；Applicant is sent out using the device of the invention when carrying out certain 600,000 tons/year of kerosene hydrogenation commerical test
Existing, total sulfur content is down to 230ppm from 512PPm, and mercaptans content has been down to 6ppm from 41ppm.Applicant carry out certain 500,000 tons/
It is found when year coal tar hydrogenating commerical test, raw material total nitrogen content is 6100ppm, and naphtha cut, diesel oil evaporate after adding hydrogen to separate
Divide, cracking tail oil is down to 7ppm, 8ppm, 69ppm respectively；Total sulfur content is 1500ppm, naphtha cut, bavin after adding hydrogen to separate
Oil distillate, cracking tail oil are down to 2ppm, 5ppm, < 0.5ppm respectively.
2) it during air-fuel mixture, without recycle oil, diluent etc., can utmostly lifting means efficiently use
Rate promotes production capacity, and reduces energy consumption, cost；As in progress, certain 700,000 tons/year of catalytic reformings generation oil-off olefin is total to work to applicant
Industry is found when testing, and using tradition plus hydrogen, deolefination effect is 40mgBr/100g, and effect is preferable, but hydrogen consumption is big
(500Nm3/ h), energy consumption is high, and (circulation plus hydrogen are equipped with compressor, internal circulating load 10000Nm3/ h), hydrogen-oil ratio is big (200-300)；Using
After the present invention, deolefination effect is 40mgBr/100g, and effect is identical, but the small (240Nm of hydrogen consumption3/ h), low energy consumption (takes completely
Disappeared mixing hydrogen compressor), hydrogen-oil ratio is small (1-5).
3) air-fuel mixture effect is good, without carrying out gas-liquid separation, further simplifies device and process flow.
Detailed description of the invention
Fig. 1 is a kind of hydrocarbon oil hydrogenation device of the first embodiment of the invention.
Fig. 2 is the structural schematic diagram of the microchannel mixed cell of the first embodiment of the invention.
Specific embodiment
Below with reference to embodiment, the present invention will be described in detail.It should be noted that in the absence of conflict, the present invention
In embodiment and embodiment in feature can be combined with each other.For sake of convenience, hereinafter such as occur "upper", "lower", " left side ",
" right side " printed words only indicate consistent with the upper and lower, left and right direction of attached drawing itself, do not play restriction effect to structure.
As depicted in figs. 1 and 2, a kind of hydrocarbon oil hydrogenation device, including the microchannel mixed cell 4 being sequentially communicated and fixed bed
Reactor 7；The microchannel mixed cell includes several micro-channel mixers, the air inlet pipeline being connected to air inlet runner 3, described
Micro-channel mixer includes ontology 401, and feed liquor runner 402, air inlet runner 403, mixing runner 404 and multiple mixed are equipped in ontology
Chamber 405 is closed, the mixing runner is serpentine-like, and the feed liquor runner, air inlet runner are connected to the feed end of mixing runner, described
Multiple mixing chambers are connected to mixing runner and are sequentially distributed along mixing runner, and vent diverter 406 is equipped in mixing chamber, will be mixed
Chamber is divided into 2 sub- cavitys, and described two sub- cavitys are symmetrical along the inlet of mixing chamber and the line of liquid outlet.It is described micro-
The quantity of channel mixer is the multiple of parallel connection.Optionally, the ontology is tabular, and material can be metal or glass.Mixing
In runner, gas mixture imports repeatedly, shunts, remittance abroad, obtains good air-fuel mixture effect.
The mixing chamber is flat, is integrally in cardioid.The vent diverter is crescent.It is described to mix the transversal of runner
Face is circle, internal diameter 0.3-3mm, preferably 0.5-1.5mm.The cross-sectional area of the mixing runner is by feed end 407 to out
Material end is gradually increased, it is preferable that the cross-sectional area for mixing the feed end of runner is 1.2 times of discharge end cross-sectional area.
The fixed bed reactors include hollow tower body, and the lower end of tower body and the liquid outlet 6 of microchannel mixed cell connect
It is logical, the upper end of tower body and it is communicated with outlet tube road 9, catalyst bed 8 is equipped in tower body.It further include the hydrocarbon oil crude material being sequentially communicated
Tank 1 and pump 2, the liquid outlet of the pump is connected to the inlet 5 of microchannel mixed cell.
A kind of hydrocarbon oil hydrogenation technique is carried out using hydrocarbon oil hydrogenation device as described above, is included the following steps:
It is passed through hydrogen hydrocarbon ils to be added to the feed liquor runner of micro-channel mixer, while being passed through hydrogen to the inlet channel of micro-channel mixer
Gas obtains gas mixture in the discharge end of mixing runner；
The gas mixture is passed through fixed bed reactors, under conventional liquid phase hydroprocessing condition, gas mixture and solid
Catalyst in fixed bed reactor with catalytic hydrogenation contacts, and carries out deep hydrogenation to impurity such as sulphur nitrogen oxygen, obtains impurity
The hydrogenation products of content qualification.
The content that above-described embodiment illustrates should be understood as that these embodiments are only used for being illustrated more clearly that the present invention, without
For limiting the scope of the invention, after the present invention has been read, those skilled in the art are to various equivalent forms of the invention
Modification each fall within the application range as defined in the appended claims.
Claims (9)
1. a kind of hydrocarbon oil hydrogenation device, which is characterized in that including the microchannel mixed cell being sequentially communicated and fixed bed reactors；
The microchannel mixed cell includes several micro-channel mixers, and the micro-channel mixer includes ontology, be equipped in ontology into
Liquid stream road, air inlet runner, mixing runner and multiple mixing chambers, the feed liquor runner, air inlet runner with the charging that mixes runner
End connection, the multiple mixing chamber are connected to mixing runner and are sequentially distributed along mixing runner, be equipped in mixing chamber and shunt member
Mixing chamber is divided into the sub- cavity of at least two by part.
2. hydrocarbon oil hydrogenation device according to claim 1, which is characterized in that the quantity of the micro-channel mixer is series connection
Or parallel connection is multiple.
3. hydrocarbon oil hydrogenation device according to claim 1, which is characterized in that the mixing chamber is flat, is integrally in the heart
One of type, circle, ellipse.
4. hydrocarbon oil hydrogenation device according to claim 1, which is characterized in that the vent diverter is crescent, diamond shape, circle
One of shape, ellipse.
5. hydrocarbon oil hydrogenation device according to claim 1, which is characterized in that the cross section of the mixing runner is circle,
Internal diameter is 0.3-3mm.
6. hydrocarbon oil hydrogenation device according to claim 1, which is characterized in that the cross-sectional area of the mixing runner is by feeding
Discharge end is held to be gradually increased, it is preferable that the cross-sectional area for mixing the feed end of runner is the 1.1-2 of discharge end cross-sectional area
Times.
7. hydrocarbon oil hydrogenation device according to claim 1, which is characterized in that the fixed bed reactors include hollow tower
The lower end of body, tower body is connected to microchannel mixed cell, the upper end of tower body and is communicated with outlet tube road, and catalyst is equipped in tower body
Bed.
8. hydrocarbon oil hydrogenation device according to claim 1, which is characterized in that further include the hydrocarbon oil crude material tank that is sequentially communicated and
Pump, the liquid outlet of the pump are connected to the inlet of microchannel mixed cell.
9. a kind of hydrocarbon oil hydrogenation technique, which is characterized in that using as the described in any item hydrocarbon oil hydrogenation devices of claim 1-8 into
Row, includes the following steps:
It is passed through hydrogen hydrocarbon ils to be added to the feed liquor runner of micro-channel mixer, while being passed through hydrogen to the inlet channel of micro-channel mixer
Gas obtains gas mixture in the discharge end of mixing runner；
The gas mixture is passed through fixed bed reactors, under conventional liquid phase hydroprocessing condition, gas mixture and solid
Hydrogenation catalyst contacts in fixed bed reactor, obtains hydrogenation products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910170362.8A CN109731512A (en) | 2019-03-07 | 2019-03-07 | A kind of hydrocarbon oil hydrogenation device and technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910170362.8A CN109731512A (en) | 2019-03-07 | 2019-03-07 | A kind of hydrocarbon oil hydrogenation device and technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109731512A true CN109731512A (en) | 2019-05-10 |
Family
ID=66369533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910170362.8A Pending CN109731512A (en) | 2019-03-07 | 2019-03-07 | A kind of hydrocarbon oil hydrogenation device and technique |
Country Status (1)
| Country | Link |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001043857A1 (en) * | 1999-12-18 | 2001-06-21 | INSTITUT FüR MIKROTECHNIK MAINZ GMBH | Micromixer |
| US20060028908A1 (en) * | 2004-08-03 | 2006-02-09 | Suriadi Arief B | Micro-mixer |
| CN102448596A (en) * | 2009-05-29 | 2012-05-09 | 康宁股份有限公司 | Flow controlled microfluidic devices |
| CN104927898A (en) * | 2014-03-21 | 2015-09-23 | 中国石油化工股份有限公司 | Hydrocarbon oil hydrotreatment method |
| CN108484579A (en) * | 2018-03-28 | 2018-09-04 | 黑龙江鑫创生物科技开发有限公司 | A kind of micro passage reaction synthesis uncommon method for Buddhist nun's intermediate difficult to understand |
| CN108863760A (en) * | 2018-07-17 | 2018-11-23 | 常州大学 | A method of utilizing micro passage reaction continuous production glyoxalic acid |
| CN209714969U (en) * | 2019-03-07 | 2019-12-03 | 湖南中天元环境工程有限公司 | A kind of hydrocarbon oil hydrogenation device |
-
2019
- 2019-03-07 CN CN201910170362.8A patent/CN109731512A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001043857A1 (en) * | 1999-12-18 | 2001-06-21 | INSTITUT FüR MIKROTECHNIK MAINZ GMBH | Micromixer |
| US20060028908A1 (en) * | 2004-08-03 | 2006-02-09 | Suriadi Arief B | Micro-mixer |
| CN102448596A (en) * | 2009-05-29 | 2012-05-09 | 康宁股份有限公司 | Flow controlled microfluidic devices |
| CN104927898A (en) * | 2014-03-21 | 2015-09-23 | 中国石油化工股份有限公司 | Hydrocarbon oil hydrotreatment method |
| CN108484579A (en) * | 2018-03-28 | 2018-09-04 | 黑龙江鑫创生物科技开发有限公司 | A kind of micro passage reaction synthesis uncommon method for Buddhist nun's intermediate difficult to understand |
| CN108863760A (en) * | 2018-07-17 | 2018-11-23 | 常州大学 | A method of utilizing micro passage reaction continuous production glyoxalic acid |
| CN209714969U (en) * | 2019-03-07 | 2019-12-03 | 湖南中天元环境工程有限公司 | A kind of hydrocarbon oil hydrogenation device |
Non-Patent Citations (1)
| Title |
|---|
| 何永森等, 国防工业出版社 * |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xie Zhicheng Inventor after: Huang Deyou Inventor after: Yuan Nianwu Inventor before: Xie Zhicheng Inventor before: Huang Deyou Inventor before: He Xiaojun Inventor before: Yuan Nianwu |
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Application publication date: 20190510 |