CN107790073A - A kind of reactor novel internal structure and its design method and purposes - Google Patents
A kind of reactor novel internal structure and its design method and purposes Download PDFInfo
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- CN107790073A CN107790073A CN201710899115.2A CN201710899115A CN107790073A CN 107790073 A CN107790073 A CN 107790073A CN 201710899115 A CN201710899115 A CN 201710899115A CN 107790073 A CN107790073 A CN 107790073A
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- 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
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- 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
- B01J8/1872—Details of the fluidised bed reactor
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- 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
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/06—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by destructive hydrogenation
-
- 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
- C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
- C10G45/02—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing
- C10G45/14—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing with moving solid particles
- C10G45/16—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing with moving solid particles suspended in the oil, e.g. slurries
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- 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
- C10G47/00—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions
- C10G47/24—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions with moving solid particles
- C10G47/26—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions with moving solid particles suspended in the oil, e.g. slurries
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The present invention relates to a kind of reactor novel internal structure and its design method and purposes,The internal structure includes reactor shell,Charging aperture and discharging opening,Charging aperture is located at the bottom of cylinder,Discharging opening is located at the top of cylinder,Including circulating bubble-cap,Mozzle and circulating pump,Circulating bubble-cap includes the hollow cylinder cup cover on top and the hollow round table shape cup cover and several bubble-cap tedges of bottom,The open top of cylindrical cup cover,Below discharging opening,The diameter of the bottom surface of truncated cone-shaped cup cover is less than the diameter of upper bottom surface,Bottom surface is connected with mozzle,Bubble-cap tedge is evenly distributed in the circumference of circulation bubble-cap,Top is higher than the upper plane of cylindrical cup cover,Bottom flushes with truncated cone-shaped cup cover,The bottom of reactor shell is led in the lower end of mozzle,Connected with the circulating pump outside reactor shell,The other end of circulating pump leads to charging aperture,Annular space between mozzle and reactor shell inwall is much larger than the annular space and the internal diameter of bubble-cap tedge between cylindrical cup cover outer wall and reactor shell inwall.
Description
Technical field
The present invention relates to a kind of novel internal structure of hydrogenation reactor, belong to oil-refining chemical and coal chemical technology.
Background technology
Paste state bed reactor is also referred to as suspended-bed reactor, is a kind of gas-liquid or gas-liquid-solid phase reaction device.It can
Handle the mink cell focus of high-sulfur, high nitrogen, high heavy metal and high asphalt content, additionally it is possible to oily coal mixtures are handled, with light oil yield
The characteristics of high and environment-protecting clean, is favored by people deeply.Processing of heavy oil, DCL/Direct coal liquefaction and oily coal were increasingly becoming in recent years refines work altogether
The primary study object of skill.
The type of paste state bed reactor is mainly empty barrel reactor and forces two kinds of inner circulation reactor at present.Empty cylinder reaction
Device is simple in construction, and its profile is elongated cylinder, and the inside is in addition to necessary pipeline is imported and exported without other unnecessary components.To reach
Enough residence times, while be advantageous to the mixing of material and the manufacture of reactor, generally connected with several reactors.Hydrogen and
Coal slurry goes out from bottom feed, reacted material from top, and medium is horizontal sliding stream mode in reactor.Empty barrel reactor has interior
Component is few, and coking attachment point is few, design and be simple to manufacture, low cost the advantages of.But shortcoming is it will be apparent that above and below reactor
Hold the temperature difference big, easily strain, service life are short；Because reactor inlet temperature does not reach reaction temperature, so real reaction section is small
In reactor length；Reaction mass is few with the touch opportunity of hydrogen and catalyst without back-mixing in reactor, feed stock conversion by
Limit, to reach reaction depth, it is necessary to substantial amounts of outer circulation, and outer circulation high energy consumption, cause plant energy consumption high, it is uneconomical；Reaction
It is light in device, the reaction time of heavy constituent is identical, the rate of gasification of light component is high, and light oil yield is low.
The content of the invention
To solve the above problems, the present invention provides a kind of novel internal structure of hydrogenation reactor, adopted in reactor bottom
Matter Transfer is forced with circulating pump, and increases the circulation bubble-cap of a particular design coordinated with cylinder in reactor internal upper part,
Bottom is connected with leading to the mozzle of reactor bottom.Heavy constituent reactant circulates hydrogenation reaction, simultaneously because new internal junction
Structure preferably can separate light component in time, reduce rate of gasification so that reactor axial pressure difference and the temperature difference are low, reduce
Energy consumption.
Technical scheme is as follows：
A kind of reactor novel internal structure, including reactor shell, charging aperture and discharging opening, the charging aperture are located at institute
The bottom of reactor shell is stated, the discharging opening is located at the top of the reactor shell, it is characterised in that including interior cyclic system
System, the internal circulation system include circulation bubble-cap, mozzle and circulating pump, and the circulation bubble-cap includes the hollow cylinder on top
Cup cover and the hollow round table shape cup cover of bottom, the open top of the cylindrical cup cover are described positioned at the lower section of the discharging opening
The diameter of the bottom surface of truncated cone-shaped cup cover is less than the diameter of upper bottom surface, the periphery of the upper bottom surface and the cylindrical cup cover bottom
Periphery is connected, and the periphery of the bottom surface is connected with the mozzle, and the reactor shell is led in the lower end of the mozzle
Bottom, connected with the circulating pump outside the reactor shell, the other end of the circulating pump lead to it is described enter
Material mouth, the annular space width between the cylindrical cup cover outer wall and the reactor shell inwall are the water conservancy diversion pipe outer wall and institute
The 0.3-15 ‰ of the annular space width between reactor shell inwall is stated, the horizontal tilt angle of the side wall of the truncated cone-shaped cup cover is
25 °~75 °.
Preferably also include several hollow blister tedges that there is folding to switch, the bubble-cap tedge bottom opening
In the surface on the top of the truncated cone-shaped cup cover.
In the internal diameter and the hollow cylinder cup cover outer wall and the reactor cylinder body of the preferable bubble-cap tedge
The ratio between annular space width between wall is 1:5 to 3:1.
The quantity of the preferable bubble-cap tedge is 20~40.
Velocity of medium is 0.01~1.5m/s in annular space between the water conservancy diversion pipe outer wall and the reactor shell inwall,
Velocity of medium is 2~20m/s in annular space between the outer wall of the cylindrical cup cover and the reactor shell inwall.
Velocity of medium above the circulation bubble-cap between the discharging opening is 0.005~0.5m/s.
The design method of previous reaction device novel internal structure.
The purposes of previous reaction device novel internal structure, mixed for heavy oil hydrogenation process, direct coal liquefaction process or oily coal
Sweetening process, the heavy oil include crude oil, residual oil, catalytic slurry, de-oiled asphalt, the one or more of coal tar；The coal bag
The one or more in lignite, bituminous coal, dross coal are included, oily and coal quality is 97 than scope:3-40:60.
The advantageous effects of the present invention：
The internal structure of a kind of hydrogenation reactor of the present invention, by being forced in the outside of reactor shell using circulating pump
Matter Transfer, and the structural change material rate of climb coordinated by circulating bubble-cap with cylinder, optimization light component and heavy constituent
Separation.Annular space of the material autoreactor cylinder body bottom between water conservancy diversion pipe outer wall and reactor shell inwall moves upwards, passes through
The annular space between mozzle and reactor shell inwall is set to be much larger than between cylindrical cup cover outer wall and reactor shell inwall
Annular space causes annular space of the material between truncated cone-shaped cup cover outer wall and reactor shell inwall to accelerate as space becomes narrow gradually
Motion upwards, and risen from annular space most narrow between cylindrical cup cover outer wall and reactor wall with fast speed, the thunder of material
Promise coefficient increases, and to the space reactor circulated between bubble-cap and discharging opening, space becomes big suddenly, the speed of material suddenly under
Drop, so as to promote weight component to separate, heavy constituent enters in hollow circulation bubble-cap, and the circulating pump of bottom is dropped to along mozzle,
Circulate above-mentioned hydrogenation process.This circulation hydrogenation process considerably increases mixing velocity of the material in reactor and mixing journey
Degree, the touch opportunity of reaction mass and hydrogen and catalyst is added, improve feed stock conversion and light oil yield, and can be by light group
Divide and separate in time, reduce rate of gasification, be kept low the axial temperature difference in reactor and pressure difference, reached energy-conservation
Purpose.Above-mentioned reactor can also make the dopes such as solid particle and the asphalitine in reaction mass without hindrance by avoiding
Deposition and coking in reactor.
Material can also be rapidly increased to by bubble-cap tedge circulation bubble-cap above, and can according to the amount of real gas,
Control the quantity of bubble-cap tedge folding so that the material rate of climb can more preferable control.
Brief description of the drawings
Fig. 1 is the internal sectional Local map of the reactor of the embodiment of the present invention 1；
Fig. 2 is the internal sectional Local map of the reactor of the embodiment of the present invention 2；
Fig. 3 be Fig. 2 in include bubble-cap tedge, reactor wall, cylindrical cup cover outer wall section sectional view.
Drawing reference numeral：1- circulates bubble-cap, 2- bubble-cap tedges, 3- reactor walls, 4- cylindrical cup cover outer walls, 5- round platforms
Shape cup cover outer wall, 6- mozzles, 7- discharging openings；8- charging apertures；9- circulating pumps.
Embodiment
For the specific features of the present invention are expanded on further, will be illustrated in conjunction with the accompanying drawings and embodiments.
Embodiment 1
The present embodiment is applied to coal state bed hydroprocessing technique.
1st, feeding process：
As shown in figure 1, after oily coal mixtures are pressurizeed by circulating pump 9, the charging aperture 8 for delivering to reactor shell bottom enters
Inside reactor, flowed up by the larger annular space between reactor wall 3 and mozzle 6, then steeped along the circulation
Diminishing annular space accelerates between covering the truncated cone-shaped cup cover outer wall 5 and reactor wall 3 of bottom, finally by cylinder
The upper edge that annular space between cup cover outer wall 4 and reactor wall 3 continues to rapidly increase to circulation bubble-cap 1 enters in reactor,
Space becomes big suddenly, and the speed of mixture reduces suddenly, and weight component is sufficiently separated whereby, discharging opening 7 of the light component from top
Outflow, heavy constituent gravity are fallen into circulation bubble-cap 1, and the mozzle 6 connected by circulating the bottom of bubble-cap 1 is again introduced into circulation downwards
Pump 9, repeat said process, circulation hydrogenation.
2nd, equipment size：
As shown in figure 1, the internal circulating load of circulation bubble-cap 1 is 3000m3/ h, the horizontal tilt angle of truncated cone-shaped cup cover outer wall 5 are
45° angle, reactor inside diameter 5m, the external diameter of cylindrical cup cover outer wall 4 is 4.99m, between bubble-cap upper wall 4 and reactor wall 3
Annular space size be 10mm, the internal diameter of mozzle 6 is 740mm.
3rd, technological parameter：
The velocity of medium in annular space between mozzle 6 and reactor wall 3 is 0.04m/s, Reynolds number 2050；Circle
The velocity of medium in annular space between cylindrical cup cover outer wall 4 and reactor wall 3 is 10.3m/s, Reynolds number 3050；Circulation
The velocity of medium of the top of bubble-cap 1 is 0.03m/s, Reynolds number 1800；Velocity of medium is 1.94m/s in mozzle 6, Reynolds system
Number is 900.
The design of above-mentioned circulation technology causes the axial temperature difference in reactor to control within 10 DEG C, and axial pressure difference is in 1MPa
Within, plant running is opened after stopping work within 2 years and checked, without obvious coking and depositional phenomenon.
Embodiment 2
General structure similar embodiment 1, applied on heavy-oil hydrogenation, in addition to 30 hollow blisters with folding switch
Riser 2, the bottom opening of bubble-cap tedge 2 are uniformly distributed in the top subcylindrical cup of the truncated cone-shaped cup cover outer wall 5
The surface of the bottom of cover outer wall 4, open top are slightly above cylindrical cup cover upper periphery, as shown in Figure 2,3, bubble-cap tedge 2 it is interior
Footpath is 10mm.
Material can also be rapidly increased to by bubble-cap tedge 2 above circulation bubble-cap, its rate of climb subcylindrical
Annular space between cup cover outer wall 4 and reactor wall 3, according to circumstances control the quantity of the folding of bubble-cap tedge 2 so that material
The rate of climb can more preferable control.
Conclusion：
From above-described embodiment as can be seen that using hydrogenation reactor of the invention, in gas-liquid or gas-liquid-solid phase reaction
Achieve good effect.
The preferable embodiment of the present invention is the foregoing is only, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be defined.
Claims (8)
1. a kind of reactor novel internal structure, including reactor shell, charging aperture and discharging opening, the charging aperture is positioned at described
The bottom of reactor shell, the discharging opening are located at the top of the reactor shell, it is characterised in that including internal circulation system,
The internal circulation system includes circulation bubble-cap, mozzle and circulating pump, and the circulation bubble-cap includes the hollow cylinder cup on top
Cover and the hollow round table shape cup cover of bottom, the open top of the cylindrical cup cover, positioned at the lower section of the discharging opening, the circle
The diameter of the bottom surface of platform shape cup cover is less than the diameter of upper bottom surface, the periphery of the upper bottom surface and cylindrical cup cover bottom week
Side is connected, and the periphery of the bottom surface is connected with the mozzle, and the reactor shell is led in the lower end of the mozzle
Bottom, connected with the circulating pump outside the reactor shell, the other end of the circulating pump leads to the charging
Mouthful, annular space width between the cylindrical cup cover outer wall and the reactor shell inwall for the water conservancy diversion pipe outer wall with it is described
The 0.3-15 ‰ of annular space width between reactor shell inwall, the horizontal tilt angle of the side wall of the truncated cone-shaped cup cover is 25 °
~75 °.
2. a kind of reactor novel internal structure according to claim 1, it is characterised in that there is folding including several
The hollow blister tedge of switch, the bubble-cap tedge bottom opening is in the surface on the top of the truncated cone-shaped cup cover.
A kind of 3. reactor novel internal structure according to claim 2, it is characterised in that the bubble-cap tedge it is interior
The ratio between annular space width between footpath and the hollow cylinder cup cover outer wall and the reactor shell inwall is 1:5 to 3:1.
A kind of 4. reactor novel internal structure according to claim 3, it is characterised in that the number of the bubble-cap tedge
Measure as 20~40.
5. a kind of reactor novel internal structure according to claim 1, it is characterised in that the water conservancy diversion pipe outer wall and institute
It is 0.01~1.5m/s to state velocity of medium in the annular space between reactor shell inwall, the outer wall of the cylindrical cup cover with it is described
Velocity of medium is 2~20m/s in annular space between reactor shell inwall.
A kind of 6. reactor novel internal structure according to claim 1, it is characterised in that it is described circulation bubble-cap above with
Velocity of medium between the discharging opening is 0.005~0.5m/s.
7. a kind of design method of reactor novel internal structure, it is characterised in that designing the internal structure includes reactor cylinder
Body, charging aperture and discharging opening, the charging aperture are located at the bottom of the reactor shell, and the discharging opening is located at the reactor
The top of cylinder, it is characterised in that including internal circulation system, the internal circulation system includes circulation bubble-cap, mozzle and circulation
Pump, the circulation bubble-cap include the hollow cylinder cup cover on top and the hollow round table shape cup cover of bottom, the cylindrical cup cover
Open top, positioned at the lower section of the discharging opening, the diameter of the bottom surface of the truncated cone-shaped cup cover is less than the diameter of upper bottom surface,
The periphery of the upper bottom surface is connected with the cylindrical cup cover bottom, and the periphery of the bottom surface is connected with the mozzle, institute
The bottom of the reactor shell is led in the lower end for stating mozzle, connects with the circulating pump outside the reactor shell
Logical, the other end of the circulating pump leads to the charging aperture, the hollow cylinder cup cover outer wall on the circulation bubble-cap top and institute
State annular space of the annular space width between the water conservancy diversion pipe outer wall and the reactor shell inwall between reactor shell inwall
The 0.3-15 ‰ of width, the horizontal tilt angle of the side wall of the truncated cone-shaped cup cover is 25 °~75 °.
A kind of 8. purposes of any described reactor novel internal structures of claim 1-6, it is characterised in that for heavy oil plus
Hydrogen technique, direct coal liquefaction process or oily coal calendering process, the heavy oil include crude oil, residual oil, catalytic slurry, de-oiled asphalt,
The one or more of coal tar；The coal includes the one or more in lignite, bituminous coal, dross coal, the quality of oil and coal
It is 97 than scope:3-40:60.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710899115.2A CN107790073A (en) | 2017-09-28 | 2017-09-28 | A kind of reactor novel internal structure and its design method and purposes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710899115.2A CN107790073A (en) | 2017-09-28 | 2017-09-28 | A kind of reactor novel internal structure and its design method and purposes |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108554330A (en) * | 2018-05-25 | 2018-09-21 | 北京中科诚毅科技发展有限公司 | Water conservancy diversion technique and its design method and purposes in a kind of hydrogenation reactor |
| EP3721962A1 (en) * | 2019-04-12 | 2020-10-14 | IFP Energies nouvelles | Three-phase reactor with recycling cup having a tapering cross section with variable-tilt angle |
| WO2020207821A1 (en) * | 2019-04-12 | 2020-10-15 | IFP Energies Nouvelles | Three-phase reactor with frustoconical recycle cup having a high angle of inclination |
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| CN103977747A (en) * | 2013-02-08 | 2014-08-13 | 上海碧科清洁能源技术有限公司 | State slurry bed reactor, and method using slurry bed reactor for slurry bed reaction |
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