CN110052227A - A kind of self-loopa suspended-bed reactor and its method of self-loopa - Google Patents
A kind of self-loopa suspended-bed reactor and its method of self-loopa Download PDFInfo
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- CN110052227A CN110052227A CN201910450474.9A CN201910450474A CN110052227A CN 110052227 A CN110052227 A CN 110052227A CN 201910450474 A CN201910450474 A CN 201910450474A CN 110052227 A CN110052227 A CN 110052227A
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- reactor
- loopa
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 210000000867 larynx Anatomy 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000003054 catalyst Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 4
- 150000003384 small molecules Chemical class 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000008929 regeneration Effects 0.000 claims description 2
- 238000011069 regeneration method Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000004939 coking Methods 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract description 2
- 239000000571 coke Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000005984 hydrogenation reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004581 coalescence Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1845—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with particles moving upwards while fluidised
- B01J8/1854—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with particles moving upwards while fluidised followed by a downward movement inside the reactor to form a loop
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/20—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium
- B01J8/22—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium gas being introduced into the liquid
- B01J8/224—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium gas being introduced into the liquid the particles being subject to a circulatory movement
- B01J8/226—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium gas being introduced into the liquid the particles being subject to a circulatory movement internally, i.e. the particles rotate within the vessel
-
- 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
- C10G49/00—Treatment of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, not provided for in a single one of groups C10G45/02, C10G45/32, C10G45/44, C10G45/58 or C10G47/00
- C10G49/10—Treatment of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, not provided for in a single one of groups C10G45/02, C10G45/32, C10G45/44, C10G45/58 or C10G47/00 with moving solid particles
- C10G49/12—Treatment of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, not provided for in a single one of groups C10G45/02, C10G45/32, C10G45/44, C10G45/58 or C10G47/00 with moving solid particles suspended in the oil, e.g. slurries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00539—Pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00796—Details of the reactor or of the particulate material
- B01J2208/00893—Feeding means for the reactants
- B01J2208/00902—Nozzle-type feeding elements
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The present invention relates to a kind of self-loopa suspended-bed reactor and its methods of self-loopa.A kind of self-loopa suspended-bed reactor and its method of self-loopa, including reactor, top set out material mouth, and bottom sets feed inlet;Inner member is fixedly connected at cylinder bottom end and lower cone;The internal diameter of the inner member increases afterwards along reactor axis to first reducing from lower end to upper end, in the tubaeform of intermediate undergauge;The inner member forms larynx shape channel at undergauge;The inner member is not contacted with the inner wall of reactor, and ring gap circuit is formed between inner member and reactor wall;Further include feeding line, protrudes into feed inlet and be located at larynx shape channel.When the swiftly flowing fluid of the present invention sprays into reactor, negative pressure is formed in torus body, pulls from ring gap circuit and falls into the intracorporal fluid flows upward of torus, to make raw material sufficiently be reacted, reaction efficiency is improved, and is eliminated flow dead zone, is effectively reduced or even avoid coking.
Description
Technical field
The present invention relates to chemical technology fields, more particularly to a kind of self-loopa suspended-bed reactor and suspended-bed reactor
The method of self-loopa.
Background technique
Floating bed hydrogenation is a kind of important technology technique for realizing heavy, inferior feedstock oil lighting, because adding hydrogen at it
In the process, catalyst is to be continuously added to and be discharged reactor with oil product, so that overcoming catalyst is easy to the problem of blocking, favorably
In the runing time of extension reactor, thus have become the preferable selection of processing heavy oil.During floating bed hydrogenation is answered, heavy oil
While cracking is lighter hydrocarbons and light oil, coke generation is also had, if reactor cannot be discharged char particle in time, in hot environment
In, the char particle for being deposited on reactor bottom will be blocking with catalyst granules coalescence, will cause with the extension of device runing time
The blocking of reactor.Then, how effectively to solve the problems, such as coking present in existing suspended-bed reactor and be difficult to coke discharging, at
For this field big technical problem urgently to be resolved.
Summary of the invention
The object of the present invention is to provide a kind of self-loopa suspended-bed reactor, by promote in reactor fluid self-loopa come
Achieve the purpose that the problems such as reducing coking and reinforcing coke discharging, overcome coking existing for existing suspended-bed reactor and difficult coke discharging.
Technical program of the present invention lies in:
A kind of self-loopa suspended-bed reactor, including the reactor being vertically arranged, reactor head is equipped with discharge port, bottom setting
There is feed inlet;Reactor head is upper cone, and bottom end is lower cone, and middle section is cylinder;It is characterized by: the cylinder bottom
Inner member is fixedly connected at end and lower cone;The internal diameter of the inner member is along reactor axis to after first reducing from lower end to upper end
Increase, in the tubaeform of intermediate undergauge;The inner member forms larynx shape channel at undergauge;The inner member and reactor it is interior
Wall does not contact, and ring gap circuit is formed between inner member and reactor wall;It further include feeding line, the feeding line
One end is located at outside reactor, and the other end protrudes into feed inlet and is located at larynx shape channel, and circulation is formed between inner member and feeding line
Cavity.
The inner member along reactor axis to longitudinal section be side it is trapezoidal, the trapezoidal stringcourse of the side and reactor enclosure
The angle that the side wall of body is formed is 10-80 °.
The inner member along reactor axis to longitudinal section be side arch, the point of intersection of the side arch and reactor
Tangent line and reactor shell side wall formed angle be 10-80 °.
The ratio between the internal diameter in larynx shape channel and cylinder external diameter are (0.04-0.35): 1.
The outer diameter of the feeding line is less than the internal diameter in larynx shape channel, makes to form gap most between feeding line and inner member
End form circularizes channel, and the internal diameter in larynx shape channel is 1.2-1.3 times of feeding line internal diameter;Outside the internal diameter and cylinder of circular passage
The ratio between diameter is (0.01-0.1): 1.
The inner member is fixed by the bracket between cylinder and lower cone.
The angle of the cylinder and lower cone side line is 120-160 °.
A method of it realizing suspended-bed reactor self-loopa, uses self-loopa suspended-bed reactor as described above, the party
Method is as follows: entered by the first fluid-mixing that reaction raw materials and catalyst form from feed inlet, it is logical in larynx shape by feeding line
It is incident upon in reactor at road;Regeneration gas H is passed through into reactor2;Reaction raw materials are in catalyst and H2Small point is converted under effect
Son;The second fluid-mixing being made of above-mentioned small molecule and the first fluid-mixing is moved to reactor head;Most of second is mixed
Collaborate body to be discharged from discharge port;The second fluid-mixing of small part enters the torus in negative pressure by ring gap circuit
Body, then pull into realization recycling in reactor.
The technical effects of the invention are that:
Self-loopa suspended-bed reactor of the present invention passes through the structure in its reactor lower part is arranged close to the position of feed inlet
Part, the internal diameter of inner member, to being first to reduce to increase afterwards from lower end to upper end, form larynx shape channel along reactor axis.Feeding line from
Reactor bottom is extend at larynx shape channel, and axial internal diameter of the inner member at larynx shape channel is more bigger than the internal diameter of feeding line,
To form circular passage between inner member and feeding line outer wall.Meanwhile there are gaps between inner member and reactor wall
Form ring gap circuit.Circulation cavity is formed between feeding line and reactor bottom.Swiftly flowing fluid sprays into anti-
When answering device, negative pressure is formed in torus body, pulls from ring gap circuit and falls into the intracorporal fluid of torus to upstream
Dynamic, so that raw material be made sufficiently to be reacted, reaction efficiency is improved, meanwhile, flow dead zone is eliminated, effectively reduces or even avoids
Coking.
Detailed description of the invention
In order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art, to specific embodiment party
Formula or attached drawing needed to be used in the description of the prior art are introduced.
Fig. 1 is the structural schematic diagram of self-loopa suspended-bed reactor.
Fig. 2 is the top view of suspended-bed reactor.
Appended drawing reference is as follows:
1- discharge port;2- cylinder;3- inner member;4- upper cone;5- feed inlet;6- larynx shape channel;7- ring gap circuit;8-
Feeding line;9- recycles cavity;The circular passage 10-;11- lower cone.
Specific embodiment
Technical solution of the present invention is described with reference to the accompanying drawing.
Embodiment 1
A kind of self-loopa suspended-bed reactor, including the reactor being vertically arranged, reactor is upper cone 4, cylinder 2 from top to bottom
And lower cone 11;Discharge port 1 is equipped at the top of upper cone 4,11 bottom of lower cone is equipped with feed inlet 5;The feed inlet 5 is equipped with charging
Pipeline 8;2 bottom end of cylinder and 11 junction of lower cone of the reactor are fixed with inner member 3;The upper end of inner member 3 is located at
Close to the top of lower cone 11, the lower end of inner member 3 is located at the bottom of lower cone 11 and close to feed inlet 5 for the bottom of cylinder 2;
The internal diameter of the inner member 3 increases afterwards along reactor axis to first reducing from lower end to upper end, in the tubaeform of intermediate undergauge, is contracting
Larynx shape channel 6 is formed at diameter;It further include feeding line 8, described 8 one end of feeding line is located at outside reactor, and the other end extends into
Material mouth 5 is located at larynx shape channel 6, and the outer diameter of feeding line 8 is less than the axial internal diameter in larynx shape channel 6, makes inner member 3 and feed pipe
Circulation cavity 9 is formed between line 8.The inner member 3 is not contacted with the inner wall of reactor, in the outside and reactor of inner member 3
Ring gap circuit 7 is formed between wall.
Actually we thinks that recycling cavity 9 seems not bring
Embodiment 2
On the basis of embodiment 1, the ratio between the internal diameter in larynx shape channel 6 and 2 outer diameter of cylinder are (0.04-0.35): 1.It is described
The outer diameter of feeding line 8 is less than the internal diameter in larynx shape channel 6, and formation gap between feeding line 8 and inner member 3 is made to ultimately form ring
Shape channel 10, and the internal diameter in larynx shape channel 6 is 1.2-1.3 times of 8 internal diameter of feeding line;Outside the internal diameter and cylinder 2 of circular passage 10
The ratio between diameter is (0.01-0.1): 1.The inner member 3 is fixed by the bracket between cylinder 2 and lower cone 11.The cylinder 2 with
The angle of 11 side line of lower cone is 120-160 °.
Embodiment 3
On the basis of embodiment 2, the inner member 3 along reactor axis to longitudinal section be side it is trapezoidal, the side is trapezoidal
Stringcourse and reactor shell side wall formed angle be 10-80 °.Be conducive to be formed between inner member 3 and reactor shell
Cavity in formed negative pressuren zone.
Embodiment 4
On the basis of embodiment 2, the inner member 3 along reactor axis to longitudinal section be side arch, the side arch
The angle formed with the tangent line of the point of intersection of reactor and the side wall of reactor shell is 10-80 °.Be conducive to inner member 3 with
Negative pressuren zone is formed in the cavity formed between reactor shell.
Embodiment 5
A method of realizing suspended-bed reactor self-loopa, using self-loopa suspended-bed reactor as described above, this method is such as
Under: entered by the first fluid-mixing that reaction raw materials and catalyst form from feed inlet 5, by feeding line 8 in larynx shape channel 6
Place is incident upon in reactor;Since feeding line 8 protrudes into reactor, so that the flow velocity of the first fluid-mixing into reactor
It is higher, so that it is guaranteed that it is with linear velocity as big as possible;Reaction raw materials are in catalyst and H2The lower most of generation of effect plus hydrogen
Cracking reaction is converted into small molecule;From the second fluid-mixing that above-mentioned small molecule and the first fluid-mixing form to reactor top
Portion's movement;Most of second fluid-mixing is discharged from discharge port 1;The second fluid-mixing of small part passes through ring gap circuit 7
It into the circulation cavity 9 in negative pressure, then pulls into reactor, reaches and remixed with reactor bottom reaction raw materials,
Being sufficiently mixed for the reaction raw materials in reactor is increased, realizes recycling.
Suspended-bed reactor of the invention is to utilize the stream for spraying into reactor at a high speed by the lesser feeding line 8 of internal diameter
Body forms negative pressure in the annular housing that the rear side that feeding line 8 exports is formed, and is formed with the pressure energy of reaction raw materials itself
Pressure difference realizes the self-loopa of fluid in the suspended-bed reactor, not only contributes to increase returning for the material in reactor in this way
It is mixed, reaction efficiency is improved, the axial temperature difference of reactor is reduced, furthermore it is possible to eliminate flow dead zone, reduces coking.
Claims (8)
1. a kind of self-loopa suspended-bed reactor, including the reactor being vertically arranged, reactor head is equipped with discharge port (1), bottom
Portion is provided with feed inlet (5);Reactor head is upper cone (4), and bottom end is lower cone (11), and middle section is cylinder (2);Its
It is characterized in that: being fixedly connected with inner member (3) at cylinder (2) bottom end and lower cone (11);The internal diameter of the inner member (3)
Increase afterwards along reactor axis to first reducing from lower end to upper end, in the tubaeform of intermediate undergauge;The inner member (3) is at undergauge
It is formed larynx shape channel (6);The inner member (3) does not contact with the inner wall of reactor, shape between inner member (3) and reactor wall
At ring gap circuit (7);It further include feeding line (8), described feeding line (8) one end is located at outside reactor, the other end
It protrudes into feed inlet (5) to be located at larynx shape channel (6), forms circulation cavity (9) between inner member (3) and feeding line (8).
2. self-loopa suspended-bed reactor according to claim 1, it is characterised in that: the inner member (3) is along reactor axis
To longitudinal section be that side is trapezoidal, the angle that the side wall of the trapezoidal stringcourse of the side and reactor shell is formed is 10-80 °.
3. self-loopa suspended-bed reactor according to claim 1, it is characterised in that: the inner member (3) is along reactor axis
To longitudinal section be side arch, the tangent line of point of intersection and the side wall of reactor shell of the side arch and reactor formed
Angle be 10-80 °.
4. the self-loopa suspended-bed reactor according to Claims 2 or 3, it is characterised in that: the internal diameter in larynx shape channel (6)
It is (0.04-0.35) with the ratio between cylinder (2) outer diameter: 1.
5. self-loopa suspended-bed reactor according to claim 4, it is characterised in that: the outer diameter of the feeding line (8) is small
Internal diameter in larynx shape channel (6) makes formation gap between feeding line (8) and inner member (3) ultimately form circular passage (10),
And the internal diameter in larynx shape channel (6) is 1.2-1.3 times of internal diameter of feeding line (8);The internal diameter and cylinder (2) outer diameter of circular passage (10)
The ratio between be (0.01-0.1): 1.
6. self-loopa suspended-bed reactor according to claim 5, it is characterised in that: the inner member (3) is solid by bracket
Due between cylinder (2) and lower cone (11).
7. self-loopa suspended-bed reactor according to claim 6, it is characterised in that: the cylinder (2) and lower cone (11)
The angle of side line is 120-160 °.
8. a kind of method for realizing suspended-bed reactor self-loopa, it is characterised in that: use claim 1-7 any one as above
The self-loopa suspended-bed reactor, this method are as follows: the first fluid-mixing being made of reaction raw materials and catalyst is fed certainly
Mouth (5) enters, and is incident upon in reactor at larynx shape channel (6) by feeding line (8);Regeneration gas is passed through into reactor
H2;Reaction raw materials are in catalyst and H2Small molecule is converted under effect;Second be made of above-mentioned small molecule and the first fluid-mixing
Fluid-mixing is moved to reactor head;Most of second fluid-mixing is discharged from discharge port (1);The second fluid-mixing of small part
Enter the circulation cavity (9) for being in negative pressure by ring gap circuit (7), then pulls and followed again into realizing in reactor
Ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910450474.9A CN110052227B (en) | 2019-05-28 | Self-circulation suspended bed reactor and self-circulation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910450474.9A CN110052227B (en) | 2019-05-28 | Self-circulation suspended bed reactor and self-circulation method thereof |
Publications (2)
Publication Number | Publication Date |
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CN110052227A true CN110052227A (en) | 2019-07-26 |
CN110052227B CN110052227B (en) | 2024-08-27 |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8709256D0 (en) * | 1987-04-16 | 1987-05-20 | Coal Industry Patents Ltd | Fluidised beds |
CN101721959A (en) * | 2008-10-28 | 2010-06-09 | 中国石油化工股份有限公司 | Portable nozzle and fluidized bed reactor with same |
KR100981612B1 (en) * | 2010-04-30 | 2010-09-10 | 대림산업 주식회사 | Internal circulation type fludized bed polymerization reactor and polymerization method of polyolefin using thereof |
CN101993144A (en) * | 2010-12-17 | 2011-03-30 | 江苏江大环境工程有限责任公司 | Catalytic oxidation fluid bed |
CN102451650A (en) * | 2010-10-15 | 2012-05-16 | 中国石油化工股份有限公司 | Suspension bed hydrogenation reactor |
CN105727845A (en) * | 2016-02-03 | 2016-07-06 | 浙江大学 | Double-solid-phase suspended bed reactor used for heavy oil hydrocracking and application thereof |
WO2018034755A1 (en) * | 2016-08-19 | 2018-02-22 | A.O. Smith Corporation | Fluidized bed media contact chamber |
CN210252200U (en) * | 2019-05-28 | 2020-04-07 | 陕西延长石油(集团)有限责任公司研究院 | Self-circulation suspension bed reactor |
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8709256D0 (en) * | 1987-04-16 | 1987-05-20 | Coal Industry Patents Ltd | Fluidised beds |
CN101721959A (en) * | 2008-10-28 | 2010-06-09 | 中国石油化工股份有限公司 | Portable nozzle and fluidized bed reactor with same |
KR100981612B1 (en) * | 2010-04-30 | 2010-09-10 | 대림산업 주식회사 | Internal circulation type fludized bed polymerization reactor and polymerization method of polyolefin using thereof |
CN102451650A (en) * | 2010-10-15 | 2012-05-16 | 中国石油化工股份有限公司 | Suspension bed hydrogenation reactor |
CN101993144A (en) * | 2010-12-17 | 2011-03-30 | 江苏江大环境工程有限责任公司 | Catalytic oxidation fluid bed |
CN105727845A (en) * | 2016-02-03 | 2016-07-06 | 浙江大学 | Double-solid-phase suspended bed reactor used for heavy oil hydrocracking and application thereof |
WO2018034755A1 (en) * | 2016-08-19 | 2018-02-22 | A.O. Smith Corporation | Fluidized bed media contact chamber |
CN210252200U (en) * | 2019-05-28 | 2020-04-07 | 陕西延长石油(集团)有限责任公司研究院 | Self-circulation suspension bed reactor |
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