CN113813753A - Electric arc formula SOx/NOx control ware - Google Patents
Electric arc formula SOx/NOx control ware Download PDFInfo
- Publication number
- CN113813753A CN113813753A CN202111140241.2A CN202111140241A CN113813753A CN 113813753 A CN113813753 A CN 113813753A CN 202111140241 A CN202111140241 A CN 202111140241A CN 113813753 A CN113813753 A CN 113813753A
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- Prior art keywords
- electrode
- honeycomb
- electric arc
- rod
- tower body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/45—Collecting-electrodes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/74—Cleaning the electrodes
- B03C3/78—Cleaning the electrodes by washing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention belongs to the technical field of flue gas treatment, and particularly relates to an electric arc type desulfurization and denitrification device which comprises a tower body, a honeycomb electrode, an electrode bar, an electric arc generator, a sprayer and an insulating rope, wherein the honeycomb electrode is arranged on the tower body; an electric arc generator is arranged inside the tower body; a honeycomb electrode is arranged on one side of the electric arc generator away from the tower body; the honeycomb electrode is fixedly connected with the inner wall of the tower body; the honeycomb electrode is of a honeycomb hollow structure; one end of the electrode rod is fixedly connected with the insulating rope; the other end of the electrode rod extends into the honeycomb-shaped hollow structure in the honeycomb electrode; the insulating rope is fixedly connected with the spray pipe; a sprayer is arranged on the spray pipe; the sprayer is communicated with the spray pipe; the shower opening is aimed at the honeycomb electrode downwards, and honeycomb electrode and electrode bar mutually support, adsorb the dust that contains in the flue gas through electrostatic adsorption, have improved the adsorption efficiency of honeycomb electrode and electrode bar, have reduced the dust content in the flue gas.
Description
Technical Field
The invention belongs to the technical field of flue gas treatment, and particularly relates to an electric arc type desulfurization and denitrification device.
Background
Thermal power generation is the most main power generation mode in China, a large amount of coal is consumed in thermal power generation, combustible substances are combusted in a boiler to generate smoke, the smoke contains a large amount of toxic and harmful gases, and if the toxic and harmful gases are directly discharged, acid gases are increased continuously, so that the acid rain amount in many areas in China is increased; or causes the pollution of the fly ash to the environment, and causes adverse effects on the life of people and the growth of plants;
in the prior art, a honeycomb electrode is fixed with a tower body, and the contact area of the honeycomb electrode and the flue gas is limited, so that the adsorption effect of the honeycomb electrode is low, the dust removal effect is poor, the atmosphere is polluted by flue gas dust, and the production and living activities are influenced;
in view of this, in order to overcome the above technical problems, the present invention provides an arc type desulfurization and denitrification device, which solves the above technical problems.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: after the flue gas passes through SOx/NOx control system and handles, still need remove dust and handle, in prior art, honeycomb electrode is fixed with the tower body, and the area of contact of honeycomb electrode and flue gas is limited, and the adsorption efficiency that probably leads to honeycomb electrode is low, and then leads to dust removal effect poor, makes the atmosphere receive the pollution of flue gas dust, influences the production life activity.
The invention provides an electric arc type desulfurization and denitrification device which comprises a tower body, a honeycomb electrode, an electrode bar, an electric arc generator, a sprayer and an insulating rope, wherein the honeycomb electrode is arranged on the tower body;
an electric arc generator is arranged inside the tower body; the arc emitter is fixedly connected to the truss, and the truss is fixedly connected with the inner wall of the tower body; a honeycomb electrode is arranged on one side of the electric arc generator away from the tower body; the honeycomb electrode is fixedly connected with the inner wall of the tower body; the honeycomb electrode is of a honeycomb hollow structure; one end of the electrode rod is fixedly connected with the insulating rope; the other end of the electrode rod extends into the honeycomb-shaped hollow structure in the honeycomb electrode; the insulating rope is fixedly connected with the spray pipe; a sprayer is arranged on the spray pipe; the sprayer is communicated with the spray pipe; the sprayer opening is aligned downward with the honeycomb electrode.
Preferably, the electrode rod is a cylindrical electrode rod; the outer surface of the electrode rod is provided with a round hole; the round hole is obliquely formed downwards; a through hole is formed in the electrode bar; the round hole is communicated with the through hole.
Preferably, auger pieces are spirally arranged in the through holes; the packing auger piece is made of aluminum; the packing auger piece is fixedly connected with the inner wall of the through hole.
Preferably, a rubber rod is arranged inside the honeycomb electrode; the rubber rod is connected with the inner wall of the honeycomb electrode; the rubber rods are arranged on two sides of the inner wall of the honeycomb electrode in a staggered mode.
Preferably, a poking and cutting groove is formed in the rubber rod; the rubber rod is rotatably connected with the inner wall of the honeycomb electrode.
Preferably, the insulating rope is made of an elastic material.
The invention has the following beneficial effects:
1. according to the electric arc type desulfurization and denitrification device provided by the invention, the electric arc generator generates electric arc, the electric arc strikes the honeycomb electrode and the electrode rod, the honeycomb electrode and the electrode rod generate static electricity, the honeycomb electrode and the electrode rod are matched with each other, dust contained in flue gas is adsorbed to the surfaces of the honeycomb electrode and the electrode rod through electrostatic adsorption, the adsorption effect of the honeycomb electrode and the electrode rod is improved, and the dust content in the flue gas is reduced.
2. According to the electric arc type desulfurization and denitrification device, the round holes and the through holes are formed in the outer surface of the electrode rod, so that the mass of the electrode rod is reduced, and the shaking amplitude of the electrode rod is increased; the flue gas can enter from the round holes and the through holes, so that the contact area of the electrode bar and the flue gas is increased, and the adsorption effect of the electrode bar is improved; in the working process of the sprayer, the cleaning solution flows out along the through holes, so that the cleaning effect of the cleaning solution on the electrode bar is improved.
3. According to the electric arc type desulfurization and denitrification device provided by the invention, the electrode rod shakes under the action of flue gas, and the electrode rod collides with the rubber rod in the shaking process, so that the electrode rod cannot directly contact the inner wall of the honeycomb electrode, the damage to the inner wall of the honeycomb electrode is reduced, and the maintenance cost is reduced.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a body diagram of the present invention;
fig. 2 is a sectional view of the tower body;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 4 is a structural view of an electrode rod;
FIG. 5 is a cross-sectional view B-B of FIG. 4;
FIG. 6 is a view showing the structure of a rubber bar;
in the figure: the device comprises a tower body 1, a honeycomb electrode 2, an electrode rod 3, an electric arc generator 4, a sprayer 5, an insulating rope 6, a spray pipe 51, a round hole 31, a through hole 32, a packing auger piece 33, a rubber rod 7, a poking and cutting groove 71, an air inlet valve 11 and an air outlet 12.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The invention provides an electric arc type desulfurization and denitrification device which comprises a tower body 1, a honeycomb electrode 2, an electrode bar 3, an electric arc generator 4, a sprayer 5 and an insulating rope 6, wherein the honeycomb electrode is arranged on the tower body;
an electric arc generator 4 is arranged inside the tower body 1; the arc emitter 4 is fixedly connected to a truss, and the truss is fixedly connected with the inner wall of the tower body 1; a honeycomb electrode 2 is arranged on one side of the electric arc generator 4 away from the tower body 1; the honeycomb electrode 2 is fixedly connected with the inner wall of the tower body 1; the honeycomb electrode 2 is of a honeycomb hollow structure; one end of the electrode rod 3 is fixedly connected with an insulating rope 6; the other end of the electrode rod 3 extends into the honeycomb-shaped hollow structure in the honeycomb electrode 2; the insulating rope 6 is fixedly connected with a spray pipe 51; a sprayer 5 is arranged on the spray pipe 51; the sprayer 5 is communicated with a spray pipe 51; the sprayer 5 is opened downwards and is aligned with the honeycomb electrode 2;
after being subjected to desulfurization and denitration treatment, the flue gas enters a dedusting tower through an air inlet valve 11 by pressurization, the flue gas ascends and enters a gap between a honeycomb electrode 2 and an electrode rod 3, an electric arc generator 4 generates an electric arc, the electric arc strikes the honeycomb electrode 2 and the electrode rod 3, the honeycomb electrode 2 and the electrode rod 3 generate static electricity, the honeycomb electrode 2 and the electrode rod 3 are matched with each other, dust contained in the flue gas is adsorbed to the surfaces of the honeycomb electrode 2 and the electrode rod 3 by electrostatic adsorption, the adsorption effect of the honeycomb electrode 2 and the electrode rod 3 is improved, and the dust content in the flue gas is reduced; the electrode bar 3 is hung in the honeycomb hollow structure of the honeycomb electrode 2 by the insulating rope 7, and the electrode bar 3 shakes along with the climbing of the flue gas under the action of the upward climbing of the flue gas, so that the adsorption range of the electrode bar 3 is enlarged, and the adsorption effect is improved; the sprayer 5 is controlled by the controller, the air inlet valve 11 is closed before the sprayer 5 works to block the entering of smoke, the electric arc generator 4 is powered off, the cleaning solution is sprayed downwards from the sprayer 5 through the spraying pipe 51 to clean the honeycomb electrode 2 and the electrode rod 3, the cleaning effect of the surfaces of the honeycomb electrode 2 and the electrode rod 3 is improved, dust adsorbed on the surfaces of the honeycomb electrode 2 and the electrode rod 3 flows into the sewage tank along with the cleaning solution and is discharged, and the smoke subjected to dust removal is discharged into the atmosphere from the exhaust port 12 through the demister; after cleaning is complete, the inlet valve 11 is opened and the process is repeated.
As a specific embodiment of the present invention, the electrode rod 3 is a cylindrical electrode rod; the outer surface of the electrode rod 3 is provided with a round hole 31; the round hole 31 is formed obliquely downwards; a through hole 32 is formed in the electrode rod 3; the circular hole 31 is communicated with the through hole 32;
the round hole 31 and the through hole 32 are formed in the outer surface of the electrode rod 3, so that the mass of the electrode rod 3 is reduced, and the shaking amplitude of the electrode rod 3 is increased; the flue gas can enter from the round holes 31 and the through holes 32, so that the contact area of the electrode rod 3 and the flue gas is increased, and the adsorption effect of the electrode rod 3 is improved; in the working process of the sprayer 5, the cleaning liquid flows out along the through holes 32, so that the cleaning effect of the cleaning liquid on the electrode rods 3 is improved.
As a specific embodiment of the present invention, an auger piece 33 is spirally arranged inside the through hole 32; the packing auger piece 33 is made of aluminum; the packing auger piece 33 is fixedly connected with the inner wall of the through hole 32;
the packing auger sheet 33 is arranged in the through hole 32, the flue gas can climb upwards along the packing auger sheet 33 from the through hole 32, the contact time of the flue gas and the electrode rod 3 is prolonged, and the adsorption effect of the electrode rod 3 is improved; the cleaning solution sprayed by the sprayer 5 flows into the round hole 31 along the packing auger piece 33, so that the retention time of the cleaning solution on the packing auger piece 33 is increased, and the cleaning effect of the cleaning solution on the electrode rod 3 is improved.
As a specific embodiment of the present invention, a rubber rod 7 is arranged inside the honeycomb electrode 2; the rubber rod 7 is connected with the inner wall of the honeycomb electrode 2; the rubber rods 7 are arranged on two sides of the inner wall of the honeycomb electrode 2 in a staggered mode;
As a specific embodiment of the present invention, the surface of the rubber rod 7 is provided with a cutting groove 71; the rubber rod 7 is rotationally connected with the inner wall of the honeycomb electrode 2;
sprayer 5 during operation, the cleaning solution is from 5 blowout of sprayer, the cleaning solution flows along the inside honeycomb hollow structure inner wall of honeycomb electrode 2, the cleaning performance of cleaning solution has been improved, the maintenance of equipment time has been prolonged, the running cost has been reduced, the cleaning solution is owing to receive the effect of gravity, the cleaning solution velocity of flow accelerates, cleaning solution striking rubber stick 7, because 7 surfaces of rubber stick are seted up and are dialled grooving 71, dial grooving 71 and receive the effect of the velocity of flow of cleaning solution, it rotates to drive rubber stick 7, when 7 rotations of rubber stick, the cleaning solution is got rid of all around by rubber stick 7's centrifugal force, the cleaning performance of cleaning solution to 2 inner walls of honeycomb electrode and 3 surfaces of electrode stick has further been improved.
As a specific embodiment of the present invention, the insulating rope 6 is made of an elastic material;
The insulating rope 7 is preferably made of rubber.
The specific working process is as follows:
after being subjected to desulfurization and denitration treatment, the flue gas enters a dedusting tower through an air inlet valve 11 by pressurization, the flue gas ascends and enters a gap between a honeycomb electrode 2 and an electrode rod 3, an electric arc generator 4 generates an electric arc, the electric arc strikes the honeycomb electrode 2 and the electrode rod 3, the honeycomb electrode 2 and the electrode rod 3 generate static electricity, the honeycomb electrode 2 and the electrode rod 3 are matched with each other, dust contained in the flue gas is adsorbed to the surfaces of the honeycomb electrode 2 and the electrode rod 3 by electrostatic adsorption, the adsorption effect of the honeycomb electrode 2 and the electrode rod 3 is improved, and the dust content in the flue gas is reduced; the electrode bar 3 is hung in the honeycomb hollow structure of the honeycomb electrode 2 by the insulating rope 7, and the electrode bar 3 shakes along with the climbing of the flue gas under the action of the upward climbing of the flue gas, so that the adsorption range of the electrode bar 3 is enlarged, and the adsorption effect is improved; the sprayer 5 is controlled by the controller, the air inlet valve 11 is closed before the sprayer 5 works to block the entering of smoke, the electric arc generator 4 is powered off, the cleaning solution is sprayed downwards from the sprayer 5 through the spraying pipe 51 to clean the honeycomb electrode 2 and the electrode rod 3, the cleaning effect of the surfaces of the honeycomb electrode 2 and the electrode rod 3 is improved, dust adsorbed on the surfaces of the honeycomb electrode 2 and the electrode rod 3 flows into the sewage tank along with the cleaning solution and is discharged, and the smoke subjected to dust removal is discharged into the atmosphere from the exhaust port 12 through the demister; after cleaning is completed, the air inlet valve 11 is opened, and the steps are repeated;
the round hole 31 and the through hole 32 are formed in the outer surface of the electrode rod 3, so that the mass of the electrode rod 3 is reduced, and the shaking amplitude of the electrode rod 3 is increased; the flue gas can enter from the round holes 31 and the through holes 32, so that the contact area of the electrode rod 3 and the flue gas is increased, and the adsorption effect of the electrode rod 3 is improved; in the working process of the sprayer 5, the cleaning liquid flows out along the through holes 32, so that the cleaning effect of the cleaning liquid on the electrode rods 3 is improved;
the packing auger sheet 33 is arranged in the through hole 32, the flue gas can climb upwards along the packing auger sheet 33 from the through hole 32, the contact time of the flue gas and the electrode bar 3 is prolonged, and the adsorption effect of the electrode bar 3 is improved; the cleaning liquid sprayed by the sprayer 5 flows into the round hole 31 along the packing auger piece 33, so that the retention time of the cleaning liquid on the packing auger piece 33 is prolonged, and the cleaning effect of the cleaning liquid on the electrode rod 3 is improved;
the electrode rod 3 shakes under the action of the flue gas, and the electrode rod 3 collides with the rubber rod 7 in the shaking process, so that the electrode rod 3 cannot directly contact the inner wall of the honeycomb electrode 2, the damage to the inner wall of the honeycomb electrode 2 is reduced, and the maintenance cost is reduced;
when the sprayer 5 starts to work, the cleaning solution is sprayed out of the sprayer 5, the cleaning solution flows out along the inner wall of the honeycomb hollow structure in the honeycomb electrode 2, the cleaning effect of the cleaning solution is improved, the equipment maintenance time is prolonged, the operation cost is reduced, the cleaning solution is accelerated in flow rate due to the action of gravity, the cleaning solution impacts the rubber rod 7, the surface of the rubber rod 7 is provided with the poking and cutting groove 71, the poking and cutting groove 71 is influenced by the flow rate of the cleaning solution, the rubber rod 7 is driven to rotate, the cleaning solution is thrown to the periphery by the centrifugal force of the rubber rod 7 while the rubber rod 7 rotates, and the cleaning effect of the cleaning solution on the inner wall of the honeycomb electrode 2 and the surface of the electrode rod 3 is further improved;
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an electric arc formula SOx/NOx control ware which characterized in that: comprises a tower body (1), a honeycomb electrode (2), an electrode bar (3), an electric arc generator (4), a sprayer (5) and an insulating rope (6);
an electric arc generator (4) is arranged in the tower body (1); the arc emitter (4) is fixedly connected to a truss, and the truss is fixedly connected with the inner wall of the tower body (1); a honeycomb electrode (2) is arranged on one side of the electric arc generator (4) far away from the tower body (1); the honeycomb electrode (2) is fixedly connected with the inner wall of the tower body (1); the honeycomb electrode (2) is of a honeycomb hollow structure; one end of the electrode bar (3) is fixedly connected with an insulating rope (6); the other end of the electrode rod (3) extends into the honeycomb-shaped hollow structure in the honeycomb electrode (2); the insulating rope (6) is fixedly connected with a spray pipe (51); a sprayer (5) is arranged on the spray pipe (51); the sprayer (5) is communicated with the spray pipe (51); the opening of the sprayer (5) is downwards aligned with the honeycomb electrode (2).
2. The electric arc type desulfurization and denitrification device according to claim 1, wherein: the electrode rod (3) is a cylindrical electrode rod; the outer surface of the electrode rod (3) is provided with a round hole (31); the round hole (31) is obliquely formed downwards; a through hole (32) is formed in the electrode rod (3); the round hole (31) is communicated with the through hole (32).
3. The electric arc type desulfurization and denitrification device according to claim 2, wherein: auger pieces (33) are spirally arranged in the through holes (32); the packing auger piece (33) is made of aluminum; the packing auger piece (33) is fixedly connected with the inner wall of the through hole (32).
4. The electric arc type desulfurization and denitrification device according to claim 1, wherein: a rubber rod (7) is arranged inside the honeycomb electrode (2); the rubber rod (7) is connected with the inner wall of the honeycomb electrode (2); the rubber rods (7) are arranged on two sides of the inner wall of the honeycomb electrode (2) in a staggered mode.
5. The electric arc type desulfurization and denitrification device according to claim 4, wherein: a poking and cutting groove (71) is formed in the rubber rod (7); the rubber rod (7) is rotatably connected with the inner wall of the honeycomb electrode (2).
6. The electric arc type desulfurization and denitrification device according to claim 1, wherein: the insulating rope (6) is made of elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111140241.2A CN113813753A (en) | 2021-09-28 | 2021-09-28 | Electric arc formula SOx/NOx control ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111140241.2A CN113813753A (en) | 2021-09-28 | 2021-09-28 | Electric arc formula SOx/NOx control ware |
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| Publication Number | Publication Date |
|---|---|
| CN113813753A true CN113813753A (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111140241.2A Pending CN113813753A (en) | 2021-09-28 | 2021-09-28 | Electric arc formula SOx/NOx control ware |
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| Country | Link |
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| CN (1) | CN113813753A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116748013A (en) * | 2023-08-01 | 2023-09-15 | 深圳市安方环保科技有限公司 | Intelligent anti-blocking water film electrostatic dust collector |
-
2021
- 2021-09-28 CN CN202111140241.2A patent/CN113813753A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116748013A (en) * | 2023-08-01 | 2023-09-15 | 深圳市安方环保科技有限公司 | Intelligent anti-blocking water film electrostatic dust collector |
| CN116748013B (en) * | 2023-08-01 | 2023-12-22 | 深圳市安方环保科技有限公司 | Intelligent anti-blocking water film electrostatic dust collector |
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