CN107267204A - A kind of heavy oil continuous catalysis cracking device and method - Google Patents
A kind of heavy oil continuous catalysis cracking device and method Download PDFInfo
- Publication number
- CN107267204A CN107267204A CN201710583650.7A CN201710583650A CN107267204A CN 107267204 A CN107267204 A CN 107267204A CN 201710583650 A CN201710583650 A CN 201710583650A CN 107267204 A CN107267204 A CN 107267204A
- Authority
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- China
- Prior art keywords
- elution
- catalytic reactor
- reactor
- slope
- heavy oil
- Prior art date
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- 239000000295 fuel oil Substances 0.000 title claims abstract description 28
- 238000005336 cracking Methods 0.000 title claims abstract description 24
- 238000006555 catalytic reaction Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000010828 elution Methods 0.000 claims abstract description 128
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 239000003054 catalyst Substances 0.000 claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 239000003921 oil Substances 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 238000013517 stratification Methods 0.000 claims abstract description 7
- 230000003197 catalytic effect Effects 0.000 claims description 46
- 230000008676 import Effects 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000003209 petroleum derivative Substances 0.000 claims description 12
- 239000012467 final product Substances 0.000 claims description 6
- 239000000047 product Substances 0.000 claims description 6
- 238000004523 catalytic cracking Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 150000003384 small molecules Chemical class 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 238000007233 catalytic pyrolysis Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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
- 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
- C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G11/10—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with stationary catalyst bed
-
- 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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1037—Hydrocarbon fractions
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The present invention relates to a kind of heavy oil continuous catalysis cracking device and method, belong to energy technology field.While feedstock oil of the present invention is heated by reactor, by after three layers of catalyst layer being arranged in reactor, discharged from the top of reactor, discharging opening connects the lower end of elution circuit above reactor, after pipeline of the gas obtained in reacted device by elution circuit lower end, reach the leacheate liquefaction that elution spout is sprayed after nearby, flowed out from the mixing liquid outlet mouth of pipe on scrubbed slope, and flow into the separatory funnel device of connection, stratification is carried out, liquid is gone out by continuous valve stratified flow after layering.The present invention make it that reaction is more comprehensive by three layers of catalyst reaction, while entering elution device part as a vapor, material obtained by reaction thoroughly more preferably can be more fully collected in three layers of elution of scrubbed device.And the design of separatory funnel can carry out perfect layering.
Description
Technical field
The present invention relates to a kind of heavy oil continuous catalysis cracking device and method, belong to energy technology field.
Background technology
The world today, because the usage amount of fossil energy is increasing, and its is non-renewable so that the production of the mankind
Life is wanted to continue, it is necessary to more a greater amount of fossil energies, but is intended to maintain this state of development, and future is not
It is imaginabale.At the same time, the environmental protection consciousness of people is stronger and stronger, has more preferably for those used discarded objects
Utilization.Therefore us are needed to develop more preferably, more diversified continuous catalytic pyrolysis equipment is used to prepare fuel oil, and returns
Receive the heavy oil progress catalytic pyrolysis after use.Prepared by heavy oil serialization charging catalytic pyrolysis has in the development of fuel oil energy technology
There is important meaning.
The content of the invention
The technical problem to be solved in the present invention is：The present invention provides a kind of heavy oil continuous catalysis cracking device and method, uses
In realizing that discontinuity present in RFCC cracking process, catalytic cracking reaction device heat insulation effect be bad, catalyst
Reaction temperature is not high and condenser system considers incomplete problem, and fuel oil is finally made, and realizes the recovery of heavy oil
Re-use.
The technical scheme is that：A kind of heavy oil continuous catalysis cracking device and method, including charging reaction system, elution
System and product hierarchical system；
The charging reaction system includes catalyst placed layer 4, catalytic reactor 5, catalyst inlet 6, the and of constant temperature heating device 7
Power supply 8；Catalytic reactor 5 is provided with catalyst inlet 6, constant temperature heating device 7, catalytic reactor 5 to be placed provided with catalyst
Layer 4；Power supply 8 is used to power for constant temperature heating device 7；
Elution circuit and the product hierarchical system include drenching liquid import 1, elution device, elution spout 3, elution device import 9,
Elute slope 10, valve I 11, mixing liquid outlet 12, valve II 13 and separatory funnel 14；Wherein under catalytic reactor 5
End is connected to charging aperture, and the top discharging opening of catalytic reactor 5 connects the lower end of elution device, the lower end elution device of elution device
Import 9 is connected with the upper end of catalytic reactor 5, elution device upper end provided with several pouring liquid imports 1, it is each drench liquid import 1 with
Elution disk 2 is connected, and elution spout 3 is equipped with elution disk 2, and the lower section of elution spout 3 is equipped with an elution slope 10, Mei Gelin
Wash slope 10 and export and be connected by valve I 11 with mixing liquid outlet 12, mixing liquid outlet 12 and separatory funnel 14
UNICOM, separatory funnel 14 is provided with valve II13.
An elution slope 10 is equipped with immediately below the elution spout 3, the elution of bottom is oblique in elution device
Slope 10 is tightly connected with elution device, has space, the lower end of elution device between remaining elution slope 10 and elution device
The one end of elution device import 9 is connected with the upper end of catalytic reactor 5, and the other end passes through the elution slope of bottom in elution device
10。
The lower end of separatory funnel 14 is used for opening for two hopper outlets of control provided with two hopper outlets, valve II13
Close.
The catalyst placed layer 4 is three layers.
Start below a kind of method that use described device carries out heavy oil continuous catalysis cracking, first catalytic reactor into
Oil, while heating by the constant temperature heating device of reactor, by after three layers of catalyst layer being arranged in reactor,
Discharged from the top of reactor, discharging opening connects the lower end of elution device, the lower end of elution device and reactor above reactor
Upper end is connected, after pipeline of the gas obtained in reacted device by elution device lower end, is reached elution spout and is sprayed after nearby
The leacheate liquefaction of pouring, scrubbed slope is flowed out from the mixing liquid outlet mouth of pipe, and flows into the separatory funnel device of connection,
Stratification is carried out, liquid is gone out by continuous valve stratified flow after layering.
The idiographic flow of methods described is as follows：
A, the lower end of the catalytic reactor 5 are connected to charging aperture, and the heavy oil that charging aperture enters is added by the constant temperature of catalytic reactor 5
Thermal 7 is heated, meanwhile, carry out Catalytic Cracking Unit of Measure by three layers of catalyst placed layer 4 being arranged in catalytic reactor 5
Should so that the oil plant is able to split into the light-oil cracking thing of small molecule；
B, discharge again from the top of catalytic reactor 5, the top discharging opening of catalytic reactor 5 connects the lower end of elution device, elution
The lower end elution device import 9 of device is connected with the upper end of catalytic reactor 5, and the light petroleum gas through being obtained in catalytic reactor 5 leads to
Cross and enter elution device after the pipeline of elution device import 9；
C, into the light petroleum gas after elution device arrive at elution spout 3 after sprayed leacheate liquefaction so that after cracking
Light petroleum gas gas molecule is rapidly condensed into liquid, is flowed out by eluting slope 10 from mixing liquid outlet 12, and the company of inflow
Logical separatory funnel 14, carries out stratification；
Trickle is layered by continuous valve II13 after D, layering, carry out leacheate and final product light oil separation and
Reclaim.
In the step C, into the light petroleum gas after elution device by three layers elution carry out leacheate liquefaction, above two
A liquid part after layer liquefaction is flowed out by its respective elution slope 10 from mixing liquid outlet 12；Another part is flowed to
Flowed out again by connected mixing liquid outlet 12 on the elution slope 10 of the bottom.
In the step C and step D, there are two outlets the lower end of separatory funnel 14, one outlet reclaim leacheate, another
Final product light oil is reclaimed in outlet, and controls opening and closing by valve II13 simultaneously.
The beneficial effects of the invention are as follows：
1st, the present invention make it that reaction is more comprehensive by three layers of catalyst reaction, while entering elution device portion as a vapor
Point, it thoroughly more preferably can more fully collect material obtained by reaction in three layers of elution of scrubbed device.And separatory funnel
Design can carry out perfect layering；
2nd, feedstock oil charging of the present invention is continuous, catalytic cracking reaction device high insulating effect, catalyst reaction temperatures are high and condense
System（Using elution circuit）Consider perfect, fuel oil is made, the recovery for realizing heavy oil is re-used.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Each label in Fig. 1：1- drenches liquid import, 2- elution disk, 3- elution spout, 4- catalyst placed layer, 5- catalytic reactors, 6-
Catalyst inlet, 7- constant temperature heating devices, 8- motors, the import of 9- elution devices, 10- elution slope, 11- valve Is, 12- mixing
Liquid outlet tube, 13- valves II, 14- separatory funnels.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the invention will be further described.
Embodiment 1：As shown in figure 1, a kind of heavy oil continuous catalysis cracking device, including charging reaction system, elution circuit
With product hierarchical system；
The charging reaction system includes catalyst placed layer 4, catalytic reactor 5, catalyst inlet 6, the and of constant temperature heating device 7
Power supply 8；Catalytic reactor 5 is provided with catalyst inlet 6, constant temperature heating device 7, catalytic reactor 5 to be placed provided with catalyst
Layer 4；Power supply 8 is used to power for constant temperature heating device 7；
Elution circuit and the product hierarchical system include drenching liquid import 1, elution device, elution spout 3, elution device import 9,
Elute slope 10, valve I 11, mixing liquid outlet 12, valve II 13 and separatory funnel 14；Wherein under catalytic reactor 5
End is connected to charging aperture, and the top discharging opening of catalytic reactor 5 connects the lower end of elution device, the lower end elution device of elution device
Import 9 is connected with the upper end of catalytic reactor 5, elution device upper end provided with several pouring liquid imports 1, it is each drench liquid import 1 with
Elution disk 2 is connected, and elution spout 3 is equipped with elution disk 2, and the lower section of elution spout 3 is equipped with an elution slope 10, Mei Gelin
Wash slope 10 and export and be connected by valve I 11 with mixing liquid outlet 12, mixing liquid outlet 12 and separatory funnel 14
UNICOM, separatory funnel 14 is provided with valve II13.
As the further scheme of the present invention, an elution slope 10 is equipped with immediately below the elution spout 3, positioned at pouring
The elution slope 10 of bottom is tightly connected with elution device in cleaning device, between remaining elution slope 10 and elution device
There is space, one end of lower end elution device import 9 of elution device is connected with the upper end of catalytic reactor 5, the other end is filled through elution
Put the elution slope 10 of interior bottom.
As the further scheme of the present invention, the lower end of separatory funnel 14 is used provided with two hopper outlets, valve II13
In the opening and closing for controlling two hopper outlets.
As the further scheme of the present invention, the catalyst placed layer 4 is three layers.
Start below a kind of method that use described device carries out heavy oil continuous catalysis cracking, first catalytic reactor into
Oil, while heating by the constant temperature heating device of reactor, by after three layers of catalyst layer being arranged in reactor,
Discharged from the top of reactor, discharging opening connects the lower end of elution device, the lower end of elution device and reactor above reactor
Upper end is connected, after pipeline of the gas obtained in reacted device by elution device lower end, is reached elution spout and is sprayed after nearby
The leacheate liquefaction of pouring, scrubbed slope is flowed out from the mixing liquid outlet mouth of pipe, and flows into the separatory funnel device of connection,
Stratification is carried out, liquid is gone out by continuous valve stratified flow after layering.
As the further scheme of the present invention, the idiographic flow of methods described is as follows：
A, the lower end of the catalytic reactor 5 are connected to charging aperture, and the heavy oil that charging aperture enters is added by the constant temperature of catalytic reactor 5
Thermal 7 is heated, meanwhile, carry out Catalytic Cracking Unit of Measure by three layers of catalyst placed layer 4 being arranged in catalytic reactor 5
Should so that the oil plant is able to split into the light-oil cracking thing of small molecule；
B, discharge again from the top of catalytic reactor 5, the top discharging opening of catalytic reactor 5 connects the lower end of elution device, elution
The lower end elution device import 9 of device is connected with the upper end of catalytic reactor 5, and the light petroleum gas through being obtained in catalytic reactor 5 leads to
Cross and enter elution device after the pipeline of elution device import 9；
C, into the light petroleum gas after elution device arrive at elution spout 3 after sprayed leacheate liquefaction so that after cracking
Light petroleum gas gas molecule is rapidly condensed into liquid, is flowed out by eluting slope 10 from mixing liquid outlet 12, and the company of inflow
Logical separatory funnel 14, carries out stratification；
Trickle is layered by continuous valve II13 after D, layering, carry out leacheate and final product light oil separation and
Reclaim.
As the further scheme of the present invention, in the step C, three layers of pouring are passed through into the light petroleum gas after elution device
Progress leacheate liquefaction is washed, the liquid part after upper two layers liquefaction is gone out by its respective elution slope 10 from mixing liquid
Mouth pipe 12 flows out；Another part is flowed on the elution slope 10 of the bottom to be flowed by connected mixing liquid outlet 12 again
Go out.
As the further scheme of the present invention, in the step C and step D, there are two outlets, one in the lower end of separatory funnel 14
Individual outlet reclaims leacheate, another outlet and reclaims final product light oil, and is opened and closed simultaneously by valve II13 controls.
The specific embodiment of the present invention is explained in detail above in conjunction with accompanying drawing, but the present invention is not limited to above-mentioned reality
Example is applied, can also be on the premise of present inventive concept not be departed from the knowledge that those of ordinary skill in the art possess
Various changes can be made.
Claims (8)
1. a kind of heavy oil continuous catalysis cracking device, it is characterised in that：Including charging reaction system, elution circuit and product layering
System；
The charging reaction system includes catalyst placed layer（4）, catalytic reactor（5）, catalyst inlet（6）, heated at constant temperature
Device（7）And power supply（8）；Catalytic reactor（5）It is provided with catalyst inlet（6）, constant temperature heating device（7）, catalytic reactor
（5）It is interior to be provided with catalyst placed layer（4）；Power supply（8）For for constant temperature heating device（7）Power supply；
Elution circuit and the product hierarchical system includes drenching liquid import（1）, elution device, elution spout（3）, elution device enters
Mouthful（9）, elution slope（10）, valve I（11）, mixing liquid outlet（12）, valve II（13）And separatory funnel（14）；Wherein
Catalytic reactor（5）Lower end be connected to charging aperture, catalytic reactor（5）Top discharging opening connects the lower end of elution device, drenches
The lower end elution device import of cleaning device（9）With catalytic reactor（5）Upper end is connected, and elution device upper end is provided with several pouring liquid
Import（1）, it is each to drench liquid import（1）With elution disk（2）Connection, elutes disk（2）On be equipped with elution spout（3）, elution spray
Mouthful（3）Lower section is equipped with an elution slope（10）, each elute slope（10）Outlet passes through valve I（11）With mixing liquid
Outlet（12）It is connected, mixing liquid outlet（12）With separatory funnel（14）UNICOM, separatory funnel（14）It is provided with valve II
（13）.
2. heavy oil continuous catalysis cracking device according to claim 1, it is characterised in that：The elution spout（3）Under just
Side is equipped with an elution slope（10）, the elution slope of bottom in elution device（10）Seal and connect with elution device
Connect, remaining elution slope（10）There are space, the lower end elution device import of elution device between elution device（9）One end
With catalytic reactor（5）Upper end is connected, and the other end passes through the elution slope of bottom in elution device（10）.
3. heavy oil continuous catalysis cracking device according to claim 1, it is characterised in that：The separatory funnel（14）Lower end
Provided with two hopper outlets, valve II（13）Opening and closing for controlling two hopper outlets.
4. heavy oil continuous catalysis cracking device according to claim 1, it is characterised in that：The catalyst placed layer（4）
For three layers.
5. the method that a kind of any one of use claim 1-4 described device carries out heavy oil continuous catalysis cracking, it is characterised in that：
Start oil-feed below catalytic reactor first, while heating by the constant temperature heating device of reactor, by being arranged at
After three layers of catalyst layer in reactor, discharged from the top of reactor, above reactor under discharging opening connection elution device
End, the lower end of elution device is connected with reactor upper end, the pipeline that the gas obtained in reacted device passes through elution device lower end
Afterwards, the leacheate liquefaction that elution spout is sprayed after nearby is reached, scrubbed slope is flowed out from the mixing liquid outlet mouth of pipe,
And the separatory funnel device of connection is flowed into, stratification is carried out, liquid is gone out by continuous valve stratified flow after layering.
6. the method for heavy oil continuous catalysis cracking according to claim 5, it is characterised in that：The idiographic flow of methods described
It is as follows：
A, the catalytic reactor（5）Lower end be connected to charging aperture, the heavy oil that charging aperture enters passes through catalytic reactor（5）Perseverance
Warm heater（7）Heated, meanwhile, by being arranged at catalytic reactor（5）In three layers of catalyst placed layer（4）Carry out
Catalytic cracking reaction so that the oil plant is able to split into the light-oil cracking thing of small molecule；
B, again from catalytic reactor（5）Top discharging, catalytic reactor（5）Top discharging opening connects the lower end of elution device,
The lower end elution device import of elution device（9）With catalytic reactor（5）Upper end is connected, through catalytic reactor（5）Middle acquisition
Light petroleum gas passes through elution device import（9）Pipeline after enter elution device；
C, into the light petroleum gas after elution device arrive at elution spout（3）The leacheate liquefaction sprayed afterwards so that after cracking
Light petroleum gas gas molecule be rapidly condensed into liquid, by eluting slope（10）From mixing liquid outlet（12）Outflow, and
Flow into the separatory funnel of connection（14）, carry out stratification；
Pass through continuous valve II after D, layering（13）Trickle is layered, the separation of leacheate and final product light oil is carried out
And reclaim.
7. the method for heavy oil continuous catalysis cracking according to claim 6, it is characterised in that：In the step C, into pouring
Light petroleum gas after cleaning device carries out leacheate liquefaction by three layers of elution, and the liquid part after upper two layers liquefaction passes through it
Respective elution slope（10）From mixing liquid outlet（12）Outflow；Another part flows to the elution slope of the bottom（10）On
Pass through connected mixing liquid outlet again（12）Outflow.
8. the method for heavy oil continuous catalysis cracking according to claim 6, it is characterised in that：The step C and step D
In, separatory funnel（14）There are two outlets lower end, and one outlet reclaims leacheate, another outlet and reclaims final product lightweight
Oil, and pass through valve II simultaneously（13）Control opening and closing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710583650.7A CN107267204B (en) | 2017-07-18 | 2017-07-18 | A kind of heavy oil continuous catalysis cracking device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710583650.7A CN107267204B (en) | 2017-07-18 | 2017-07-18 | A kind of heavy oil continuous catalysis cracking device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107267204A true CN107267204A (en) | 2017-10-20 |
| CN107267204B CN107267204B (en) | 2019-04-12 |
Family
ID=60077706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710583650.7A Active CN107267204B (en) | 2017-07-18 | 2017-07-18 | A kind of heavy oil continuous catalysis cracking device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107267204B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302444A (en) * | 2008-06-24 | 2008-11-12 | 同济大学 | Method for producing oil by hydrocracking of coal-tar pitch |
| CN102115675A (en) * | 2009-12-30 | 2011-07-06 | 中国科学院过程工程研究所 | Heavy oil lightening method and device |
| CN106867559A (en) * | 2017-04-28 | 2017-06-20 | 乔四洋 | A kind of multistage cracking quantity-produced oil refining method |
-
2017
- 2017-07-18 CN CN201710583650.7A patent/CN107267204B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302444A (en) * | 2008-06-24 | 2008-11-12 | 同济大学 | Method for producing oil by hydrocracking of coal-tar pitch |
| CN102115675A (en) * | 2009-12-30 | 2011-07-06 | 中国科学院过程工程研究所 | Heavy oil lightening method and device |
| CN106867559A (en) * | 2017-04-28 | 2017-06-20 | 乔四洋 | A kind of multistage cracking quantity-produced oil refining method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107267204B (en) | 2019-04-12 |
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