CN110201477A - A kind of power plant stack gas dedusting and purifying device of environmental protection - Google Patents
A kind of power plant stack gas dedusting and purifying device of environmental protection Download PDFInfo
- Publication number
- CN110201477A CN110201477A CN201910571826.6A CN201910571826A CN110201477A CN 110201477 A CN110201477 A CN 110201477A CN 201910571826 A CN201910571826 A CN 201910571826A CN 110201477 A CN110201477 A CN 110201477A
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- Prior art keywords
- dedusting
- flue gas
- tube
- power plant
- internal baffle
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
The invention discloses a kind of power plant stack gas dedusting and purifying devices of environmental protection, belong to power plant stack gas environmental protection treatment technical field, it solves the problems, such as to carry out effective temperature-reducing and dedusting to flue gas, it is characterized in that: including dedusting tube for flue gas, inner cylinder, annular Internal baffle and cooling tube, air inlet pipe is connected on flue gas ash removal drum outer wall, filter screen is installed in the cinder catcher above air inlet pipe, is equipped with sprayer at the top of filter screen；Several cooling tubes are installed in the annular Internal baffle, ceramic filter membrane filter is installed inside annular Internal baffle upper end, air-introduced machine is installed at the top of annular Internal baffle；By being filtered between dedusting tube for flue gas and inner cylinder, spraying and dedusting, and cooperate cooling tube and heat exchanger tube etc. to flue gas heat recovery, increase efficiency of heating- utilization, in the gradually purifying smoke by way of the filtering of ceramic filter membrane filter, fibre-ball filtration and activated carbon adsorption, the content of dust in flue gas after purifying is effectively reduced, clean-up effect is aobvious.
Description
Technical field
The present invention relates to power plant stack gas environmental protection treatment technical field, the power plant stack gas for being specifically related to a kind of environmental protection is removed
Dirt purification device.
Background technique
With making rapid progress for new energy power generation technology, the power save mode of new energy power plant is also more and more diversified.At present
It has been proposed that " biomass direct-fired and waste incinerator working medium combined generating system ", i.e., is by the carbonated drink of waste incinerator
System is combined with biomass direct-fired unit, realizes that working medium is generating integrated.In existing flue gas of garbage furnace treatment process,
There are a large amount of thermal loss.
In current flue gas of garbage furnace treatment process, containing a large amount of preheatings in flue gas, direct emission is wasted
Heat, causes the loss in economic benefit to burning power plant, so that thermal power plant flue gas heat loss due to exhaust gas is
A critically important heat loss in its production.
At the same time, a large amount of dust can be contained in flue gas, is directly discharged in air that atmosphere can be generated very big dirt
Dye, the temperature in conjunction with the flue gas being just discharged into atmosphere is relatively high, is easier that atmospheric temperature is caused to increase, therefore how right
Flue gas carries out effective temperature-reducing and dedusting has become current technical problem urgently to be solved.
Summary of the invention
In view of the deficienciess of the prior art, a kind of power plant stack gas for being designed to provide environmental protection of the embodiment of the present invention
Dedusting and purifying device, to solve the problems in above-mentioned background technique.
To achieve the above object, the invention provides the following technical scheme:
A kind of power plant stack gas dedusting and purifying device of environmental protection, including dedusting tube for flue gas, inner cylinder, annular Internal baffle and cooling
It manages, inner cylinder is installed inside the dedusting tube for flue gas, inner cylinder bottom is connected with dedusting tube for flue gas bottom, and the flue gas removes
It is set as cinder catcher between dirt barrel and inner cylinder, air inlet pipe, air inlet pipe and cinder catcher phase are connected on the flue gas ash removal drum outer wall
It is connected to, filter screen is installed in the cinder catcher above the air inlet pipe, is equipped with sprayer at the top of filter screen；Above the inner cylinder
Equipped with annular Internal baffle, annular Internal baffle bottom is connected with dedusting tube for flue gas inner wall, and annular Internal baffle bottom is equipped with shunting
Cover, fluid dividing cover are equipped with several air inlets；
Several cooling tubes are installed in the annular Internal baffle, ceramic filter membrane filtering is installed inside annular Internal baffle upper end
Device, annular Internal baffle top is equipped with air-introduced machine, several fibrous nodules is filled in the dedusting tube for flue gas on the outside of annular Internal baffle, fine
It is enclosed with active carbon layer in dimension ball, is connected with exhaust pipe on the dedusting tube for flue gas side wall.
As a further solution of the present invention, the sprayer is connected to water supplying pipe, and the sky in inner cylinder is arranged in water supplying pipe
In chamber, water supplying pipe connects the water outlet of water pump, and the water inlet of water pump connects filter by pipeline, and filter is arranged in collecting tank
It is interior.
As a further solution of the present invention, the collecting tank is mounted on dedusting tube for flue gas bottom, and cinder catcher bottom passes through
Return pipe is connected to collecting tank.
As a further solution of the present invention, the return pipe top nozzle be set to the liquid level in collecting tank hereinafter, and
Filter is also disposed on the liquid level in collecting tank or less.
As a further solution of the present invention, the liquid collecting bottom of pond portion is connected with sewage pipe, is equipped with blowdown on sewage pipe
Valve.
As a further solution of the present invention, demisting net is equipped with above the filter screen.
As a further solution of the present invention, it is connected at the top of the air inlet and cinder catcher, cooling bottom of the tube and inlet tube
Disk connection, feed liquor pipe dish are connected to cold media input tube, are connected at the top of cooling tube with outlet tube disk, and outlet tube disk is connected to refrigerant output
Pipe.
As a further solution of the present invention, connect inside the exhaust pipe and the dedusting tube for flue gas on the outside of annular Internal baffle
It is logical.
As a further solution of the present invention, the nozzle of the air inlet pipe is arranged in cinder catcher bottom.
As a further solution of the present invention, heat exchange coil is additionally provided in the collecting tank.
In conclusion the embodiment of the present invention has the advantages that compared with prior art
The power plant stack gas dedusting and purifying device of environmental protection of the invention, by being carried out between dedusting tube for flue gas and inner cylinder
Filter, spraying and dedusting, and cooperate cooling tube and heat exchanger tube etc. to flue gas heat recovery, increase efficiency of heating- utilization, is passing through
The mode gradually purifying smoke of the filtering of ceramic filter membrane filter, fibre-ball filtration and activated carbon adsorption, effectively reduces
After purification in flue gas dust content, clean-up effect is aobvious.
In order to explain the structural features and functions of the invention more clearly, come with reference to the accompanying drawing with specific embodiment to this hair
It is bright to be described in detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of inventive embodiments 1.
Fig. 2 is the structural schematic diagram of feed liquor pipe dish in inventive embodiments.
Fig. 3 is the structural schematic diagram of fibrous nodules in inventive embodiments.
Fig. 4 is the structural schematic diagram of inventive embodiments 2.
Fig. 5 is the structural schematic diagram of air inlet pipe in inventive embodiments 2.
Appended drawing reference: 1- dedusting tube for flue gas, 2- inner cylinder, 3- cinder catcher, 4- air inlet pipe, 5- filter screen, 6- sprayer, 7-
Water supplying pipe, 8- demisting net, 9- annular Internal baffle, 10- return pipe, 11- collecting tank, 12- filter, 13- water pump, 14- sewage pipe,
15- blowdown valve, 16- fluid dividing cover, 17- air inlet, 18- cooling tube, 19- feed liquor pipe dish, 20- cold media input tube, 21- outlet tube
Disk, 22- refrigerant efferent duct, 23- heat exchange fin, 24- ceramic filter membrane filter, 25- air-introduced machine, 26- air collecting chamber, 27- fiber
Ball, 28- active carbon layer, 29- exhaust pipe.
Specific embodiment
The following further describes the technical solution of the present invention in the following with reference to the drawings and specific embodiments.
Embodiment 1
Referring to FIG. 1 to FIG. 3, a kind of power plant stack gas dedusting and purifying device of environmental protection, including dedusting tube for flue gas 1, inner cylinder 2, ring
Shape Internal baffle 9 and cooling tube 18 are equipped with inner cylinder 2,2 bottom of inner cylinder and dedusting tube for flue gas 1 inside the dedusting tube for flue gas 1
Bottom is connected, and cinder catcher 3 is set as between the dedusting tube for flue gas 1 and inner cylinder 2, is connected on 1 outer wall of dedusting tube for flue gas
There is air inlet pipe 4, air inlet pipe 4 is connected with cinder catcher 3, is equipped with filter screen 5 in the cinder catcher 3 of 4 top of air inlet pipe, filters
Sprayer 6 is equipped at the top of net 5, sprayer 6 is connected to water supplying pipe 7, and water supplying pipe 7 is arranged in the cavity in inner cylinder 2, water supplying pipe 7
The water outlet of water pump 13 is connected, the water inlet of water pump 13 connects filter 12 by pipeline, and filter 12 is arranged in collecting tank 11
It is interior；The collecting tank 11 is mounted on 1 bottom of dedusting tube for flue gas, and 3 bottom of cinder catcher is connected to collecting tank 11 by return pipe 10；
Further, in the present invention, 10 top nozzle of return pipe is set to the liquid level in collecting tank 11 hereinafter, and filtering
The liquid level that device 12 is also disposed in collecting tank 11 is hereinafter, convenient be filtered liquid in collecting tank 11.
After the air that power plant contains dust enters cinder catcher 3 by air inlet pipe 4, starting water pump 13 works, collecting tank
Water is pumped into water supplying pipe 7 by water pump 13 after the filtering of filter 12 in 11, and is sprayed on filter screen 5 by sprayer 6,
Operation is dusted to the flue gas flowed from bottom to top in filter screen 5, the sewage after dedusting is pooled to cinder catcher 3 and along return pipe
10 are flowed into collecting tank 11；
Further, in the present invention, 11 bottom of collecting tank is connected with sewage pipe 14, is equipped with blowdown valve on sewage pipe 14
15, opening blowdown valve 15 sewage in collecting tank 11 can be discharged by sewage pipe 14；
Further, demisting net 8 is equipped with above the filter screen 5, the water mist removal for spraying to sprayer 6, so that passing through
Water mist content is reduced in the flue gas of demisting net 8；
Annular Internal baffle 9 is equipped with above the inner cylinder 2, annular 9 bottom of Internal baffle is connected with 1 inner wall of dedusting tube for flue gas, ring
9 bottom of shape Internal baffle is equipped with fluid dividing cover 16, and fluid dividing cover 16 is equipped with several air inlets 17,3 top of air inlet 17 and cinder catcher
Connection facilitates the air of removal dust in cinder catcher 3 along the cylinder that air inlet 17 enters that annular Internal baffle 9 surrounds, the ring
Several cooling tubes 18 are installed in shape Internal baffle 9, cooling tube 18 is equipped with several heat exchange fins 23,18 bottom of cooling tube with into
Liquid pipe disk 19 is connected to, and feed liquor pipe dish 19 is connected to cold media input tube 20, and 18 top of cooling tube is connected to outlet tube disk 21, outlet tube disk
21 connection refrigerant efferent ducts 22, when flue gas flows through in the cylinder that annular Internal baffle 9 surrounds, several internal cooling tubes 18
Heat exchange further is carried out with flue gas, so that the waste heat in flue gas be made full use of.
Ceramic filter membrane filter 24 is installed inside annular Internal baffle 9 upper end, for the impurity in flue gas into
One step filters, and air-introduced machine 25 is equipped at the top of annular Internal baffle 9, air-introduced machine 25 is preferably axial flow blower, for increasing to annular
The suction capactity of air in Internal baffle 9 is set as air collecting chamber 26, the ring conducive to the discharge of flue gas at the top of the dedusting tube for flue gas 1
Several fibrous nodules 27 are filled in the dedusting tube for flue gas 1 in 9 outside of shape Internal baffle, are enclosed with active carbon layer 28, institute in fibrous nodules 27
It states and is connected with exhaust pipe 29 on 1 side wall of dedusting tube for flue gas, inside the dedusting tube for flue gas 1 in 9 outside of exhaust pipe 29 and annular Internal baffle
Connection, facilitates and flue gas is discharged.
Embodiment 2
Referring to fig. 4~Fig. 5, a kind of power plant stack gas dedusting and purifying device of environmental protection, including dedusting tube for flue gas 1, inner cylinder 2, ring
Shape Internal baffle 9 and cooling tube 18 are equipped with inner cylinder 2,2 bottom of inner cylinder and dedusting tube for flue gas 1 inside the dedusting tube for flue gas 1
Bottom is connected, and cinder catcher 3 is set as between the dedusting tube for flue gas 1 and inner cylinder 2, is connected on 1 outer wall of dedusting tube for flue gas
There is air inlet pipe 4, air inlet pipe 4 is connected with cinder catcher 3, is equipped with filter screen 5 in the cinder catcher 3 of 4 top of air inlet pipe, filters
Sprayer 6 is equipped at the top of net 5, sprayer 6 is connected to water supplying pipe 7, and water supplying pipe 7 is arranged in the cavity in inner cylinder 2, water supplying pipe 7
The water outlet of water pump 13 is connected, the water inlet of water pump 13 connects filter 12 by pipeline, and filter 12 is arranged in collecting tank 11
It is interior；The collecting tank 11 is mounted on 1 bottom of dedusting tube for flue gas, and 3 bottom of cinder catcher is connected to collecting tank 11 by return pipe 10, referring to
Shown in Fig. 5, arrow indicates water (flow) direction in figure；
Further, in the present invention, 10 top nozzle of return pipe is set to the liquid level in collecting tank 11 hereinafter, and filtering
The liquid level that device 12 is also disposed in collecting tank 11 is hereinafter, convenient be filtered liquid in collecting tank 11.
After the air that power plant contains dust enters cinder catcher 3 by air inlet pipe 4, starting water pump 13 works, collecting tank
Water is pumped into water supplying pipe 7 by water pump 13 after the filtering of filter 12 in 11, and is sprayed on filter screen 5 by sprayer 6,
Operation is dusted to the flue gas flowed from bottom to top in filter screen 5, the sewage after dedusting is pooled to cinder catcher 3 and along return pipe
10 are flowed into collecting tank 11；
Further, in the present invention, 11 bottom of collecting tank is connected with sewage pipe 14, is equipped with blowdown valve on sewage pipe 14
15, opening blowdown valve 15 sewage in collecting tank 11 can be discharged by sewage pipe 14；
Unlike the first embodiment, in embodiments of the present invention, 3 bottom of cinder catcher can also be arranged in the nozzle of the air inlet pipe 4
Portion, when sprayer 6 is spraying, water flow comes together in 3 bottom of cinder catcher and floods the nozzle of air inlet pipe 4, to be conducive to air inlet pipe
The flue gas of 4 nozzle output is dusted processing in advance；
In the present invention, be additionally provided with heat exchange coil in the collecting tank 11, for fume afterheat extra in collecting tank 11 into
Row recycles, and heat exchange coil can directly exchange heat to fume afterheat in collecting tank 11, improves efficiency of heating- utilization.
Remaining structure of the embodiment of the present invention is identical as the present embodiment 1.
The technical principle of the invention is described above in combination with a specific embodiment, is only the preferred embodiment of the present invention.This
The protection scope of invention is not limited merely to above-described embodiment, and all technical solutions belonged under thinking of the present invention belong to the present invention
Protection scope.Those skilled in the art, which does not need to pay for creative labor, can associate other specific realities of the invention
Mode is applied, these modes will fall within the scope of protection of the present invention.
Claims (10)
1. a kind of power plant stack gas dedusting and purifying device of environmental protection, including dedusting tube for flue gas (1), inner cylinder (2), annular Internal baffle
(9) it is equipped with inner cylinder (2) with cooling tube (18), dedusting tube for flue gas (1) inside, inner cylinder (2) bottom and flue gas ash removal
Cylinder (1) bottom is connected, and is set as cinder catcher (3), the dedusting tube for flue gas between the dedusting tube for flue gas (1) and inner cylinder (2)
(1) it is connected on outer wall air inlet pipe (4), air inlet pipe (4) is connected with cinder catcher (3), which is characterized in that the air inlet pipe (4)
It is equipped with filter screen (5) in the cinder catcher (3) of top, is equipped with sprayer (6) at the top of filter screen (5)；Above the inner cylinder (2)
Equipped with annular Internal baffle (9), annular Internal baffle (9) bottom is connected with dedusting tube for flue gas (1) inner wall, annular Internal baffle (9) bottom
Portion is equipped with fluid dividing cover (16), and fluid dividing cover (16) is equipped with several air inlets (17)；
Several cooling tubes (18) are installed in the annular Internal baffle (9), ceramics are installed inside annular Internal baffle (9) upper end
It filters membrane filter (24), is equipped with air-introduced machine (25) at the top of annular Internal baffle (9), the flue gas on the outside of annular Internal baffle (9) removes
Several fibrous nodules (27) are filled in dirt barrel (1), are enclosed with active carbon layer (28), the dedusting tube for flue gas in fibrous nodules (27)
(1) exhaust pipe (29) are connected on side wall.
2. the power plant stack gas dedusting and purifying device of environmental protection according to claim 1, which is characterized in that the sprayer
(6) water supplying pipe (7) are connected to, water supplying pipe (7) is arranged in the cavity in inner cylinder (2), and water supplying pipe (7) connects going out for water pump (13)
The water inlet at the mouth of a river, water pump (13) connects filter (12) by pipeline, and filter (12) setting is in collecting tank (11).
3. the power plant stack gas dedusting and purifying device of environmental protection according to claim 2, which is characterized in that the collecting tank
(11) it is mounted on dedusting tube for flue gas (1) bottom, cinder catcher (3) bottom passes through return pipe (10) connection collecting tank (11).
4. the power plant stack gas dedusting and purifying device of environmental protection according to claim 3, which is characterized in that the return pipe
(10) top nozzle is set in collecting tank (11) liquid level hereinafter, and filter (12) be also disposed on the liquid in collecting tank (11)
Below face.
5. the power plant stack gas dedusting and purifying device of environmental protection according to claim 4, which is characterized in that the collecting tank
(11) bottom is connected with sewage pipe (14), and blowdown valve (15) are equipped on sewage pipe (14).
6. the power plant stack gas dedusting and purifying device of -5 any environmental protection according to claim 1, which is characterized in that the mistake
Demisting net (8) are equipped with above strainer (5).
7. the power plant stack gas dedusting and purifying device of environmental protection according to claim 5, which is characterized in that the air inlet
(17) it is connected to cinder catcher (3) top, cooling tube (18) bottom is connected to feed liquor pipe dish (19), and feed liquor pipe dish (19) is connected to refrigerant
Input pipe (20), cooling tube (18) top are connected to outlet tube disk (21), and outlet tube disk (21) is connected to refrigerant efferent duct (22).
8. the power plant stack gas dedusting and purifying device of environmental protection according to claim 1, which is characterized in that the exhaust pipe
(29) it is connected to inside the dedusting tube for flue gas (1) on the outside of annular Internal baffle (9).
9. the power plant stack gas dedusting and purifying device of environmental protection according to claim 1, which is characterized in that the air inlet pipe
(4) nozzle is arranged in cinder catcher (3) bottom.
10. the power plant stack gas dedusting and purifying device of environmental protection according to claim 7, which is characterized in that the collecting tank
(11) heat exchange coil is additionally provided in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910571826.6A CN110201477B (en) | 2019-06-28 | 2019-06-28 | Environmental-friendly power plant flue gas dust removal and purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910571826.6A CN110201477B (en) | 2019-06-28 | 2019-06-28 | Environmental-friendly power plant flue gas dust removal and purification device |
Publications (2)
| Publication Number | Publication Date |
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| CN110201477A true CN110201477A (en) | 2019-09-06 |
| CN110201477B CN110201477B (en) | 2021-08-03 |
Family
ID=67795152
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910571826.6A Active CN110201477B (en) | 2019-06-28 | 2019-06-28 | Environmental-friendly power plant flue gas dust removal and purification device |
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| CN (1) | CN110201477B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111760201A (en) * | 2020-07-04 | 2020-10-13 | 黄艳民 | Medical spectral therapeutic instrument |
| CN112090186A (en) * | 2020-08-31 | 2020-12-18 | 李建国 | High-efficient chemical industry contains sulphur waste gas dry desulfurization processing apparatus |
| CN112933752A (en) * | 2021-01-26 | 2021-06-11 | 大唐淮北发电厂 | Flue gas filtering and purifying device for vacuum filter |
| CN114733308A (en) * | 2021-01-07 | 2022-07-12 | 徐州中辉光伏科技有限公司 | Waste gas condenser and waste gas pretreatment method |
| CN116510419A (en) * | 2022-12-01 | 2023-08-01 | 大连理工大学盘锦产业技术研究院 | V-shaped flow control particle coalescence device with coaxial speed difference jet flow |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111760201A (en) * | 2020-07-04 | 2020-10-13 | 黄艳民 | Medical spectral therapeutic instrument |
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| CN112090186A (en) * | 2020-08-31 | 2020-12-18 | 李建国 | High-efficient chemical industry contains sulphur waste gas dry desulfurization processing apparatus |
| CN112090186B (en) * | 2020-08-31 | 2021-12-24 | 兖矿科蓝凯美特化工有限公司 | High-efficient chemical industry contains sulphur waste gas dry desulfurization processing apparatus |
| CN114733308A (en) * | 2021-01-07 | 2022-07-12 | 徐州中辉光伏科技有限公司 | Waste gas condenser and waste gas pretreatment method |
| CN112933752A (en) * | 2021-01-26 | 2021-06-11 | 大唐淮北发电厂 | Flue gas filtering and purifying device for vacuum filter |
| CN116510419A (en) * | 2022-12-01 | 2023-08-01 | 大连理工大学盘锦产业技术研究院 | V-shaped flow control particle coalescence device with coaxial speed difference jet flow |
| CN116510419B (en) * | 2022-12-01 | 2023-09-22 | 大连理工大学盘锦产业技术研究院 | V-shaped flow control particle coalescence device with coaxial speed difference jet flow |
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