CN117563372A - Electrostatic adsorption dust-removing type flue gas desulfurization and denitrification pretreatment mechanism and treatment method - Google Patents
Electrostatic adsorption dust-removing type flue gas desulfurization and denitrification pretreatment mechanism and treatment method Download PDFInfo
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- CN117563372A CN117563372A CN202410064604.6A CN202410064604A CN117563372A CN 117563372 A CN117563372 A CN 117563372A CN 202410064604 A CN202410064604 A CN 202410064604A CN 117563372 A CN117563372 A CN 117563372A
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 239000003546 flue gas Substances 0.000 title claims abstract description 81
- 230000007246 mechanism Effects 0.000 title claims abstract description 68
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 36
- 230000023556 desulfurization Effects 0.000 title claims abstract description 36
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 80
- 230000006835 compression Effects 0.000 claims description 48
- 238000007906 compression Methods 0.000 claims description 48
- 239000000428 dust Substances 0.000 claims description 40
- 238000004140 cleaning Methods 0.000 claims description 35
- 239000000779 smoke Substances 0.000 claims description 27
- 239000010865 sewage Substances 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 19
- 238000001914 filtration Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 11
- 238000007790 scraping Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims 2
- 238000004891 communication Methods 0.000 claims 1
- 238000005507 spraying Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/79—Regeneration of the filtering material or filter elements inside the filter by liquid process
-
- 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
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/06—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to the technical field of desulfurization and denitrification, in particular to an electrostatic adsorption dust-removing type flue gas desulfurization and denitrification pretreatment mechanism, and in particular relates to a treatment method of the electrostatic adsorption dust-removing type flue gas desulfurization and denitrification pretreatment mechanism.
Description
Technical Field
The invention relates to the technical field of desulfurization and denitrification, in particular to an electrostatic adsorption dust-removing type flue gas desulfurization and denitrification pretreatment mechanism, and further relates to a treatment method of the electrostatic adsorption dust-removing type flue gas desulfurization and denitrification pretreatment mechanism.
Background
In industrial production, sulfur-containing and nitrate-containing flue gas is often generated, acid rain is formed after the sulfur-containing and nitrate-containing flue gas enters the atmosphere, the harm of the acid rain to human beings is very large, and the flue gas using coal as fuel often contains the substances, in particular to a thermal power plant, so that related desulfurization and denitrification devices are required to be built simultaneously when the thermal power plant is constructed. Desulfurization is to remove SO in the flue gas 2 (sulfur dioxide), denitration mainly removes NOx (nitrogen oxides) in flue gas.
Chinese patent CN217613703U discloses an intelligent loading attachment for industry desulfurization denitration with pretreatment mechanism, including the backup pad, pretreatment storehouse is installed at the backup pad top, guide silo and ejection of compact storehouse are installed respectively to the both sides of pretreatment storehouse, the inlet pipe has been seted up to one side of guide silo, the inner wall fixedly connected with baffle of pretreatment storehouse, a plurality of guiding hole has been seted up on the surface of baffle, and the baffle will be pretreated the inside separation of storehouse and become filter chamber and cooling chamber two parts, a plurality of guiding pipes have been seted up to the opposite side of guide silo, install first filter screen and second filter screen respectively in the filter chamber, its bottom is provided with album grey mechanism, be provided with cooling mechanism on the cooling chamber, the discharging pipe has been seted up at ejection of compact storehouse top. The pretreatment can be carried out before the industrial desulfurization and denitrification feeding so as to effectively remove the particle impurities in the flue gas, thereby ensuring the subsequent desulfurization and denitrification effect, and carrying out cooling treatment on the high-temperature flue gas to realize intelligent feeding.
Above-mentioned technical scheme is through adsorbing the clearance through the effectual dust granule in the flue gas of multilayer filter screen, but the filter screen is at circulation filtration for a long time, the filter screen mesh can appear blockking up, lean on the brush to scrape the brush simply on the filter screen surface and be difficult to play clearance mediation effect, can only dredge the clearance through the manual work, lead to extravagant manpower, all through natural circulation when above-mentioned inside flue gas circulation of equipment simultaneously, have the condition that partial mesh was blockked up can lead to flue gas circulation speed slow when adding the filter screen filtration, flue gas circulation speed is slow can cause flue gas backlog, flue gas backlog can cause flue gas temperature to become high, cause follow-up cooling inefficiency.
Disclosure of Invention
Aiming at the problems, the electrostatic adsorption dust-removing type flue gas desulfurization and denitrification pretreatment mechanism and the treatment method are provided, and the pre-cooling dust-removing mechanism can effectively improve the flue gas treatment efficiency and the treatment quality.
In order to solve the problems in the prior art, the invention provides an electrostatic adsorption dust-removing type flue gas desulfurization and denitrification pretreatment mechanism, which comprises a pre-cooling dust removing mechanism for rapidly filtering flue gas, wherein the pre-cooling dust removing mechanism comprises a compression guide tank arranged at a flue outlet, a lifting pushing mechanism is arranged in the compression guide tank, a water flow guide pipe is arranged on the lifting pushing mechanism, a guide hopper is arranged at the top of the water flow guide pipe, an air filter layer is arranged on the guide hopper, a circulating rotating brush is arranged above the air filter layer, a uniform flow mechanism is arranged above the circulating rotating brush, and the pre-cooling dust removing mechanism further comprises an electrostatic adsorber arranged at the air outlet end of the compression guide tank.
Preferably, the inside of the compression guide tank is provided with an inclined annular rail for guiding the circulating rotary brush to rotate, the side part of the compression guide tank is provided with an overhaul port, the air inlet end of the compression guide tank is provided with a mounting bracket, the axis position of the mounting bracket is provided with an air inlet sleeve, the mounting bracket is further provided with a first guide pillar, a blocking plate is arranged on the first guide pillar, and a spring is arranged between the blocking plate and the mounting bracket.
Preferably, the lifting pushing mechanism comprises a sealing pipeline arranged in the compression guide tank, a piston mounting ring is arranged in the sealing pipeline, and an air inlet and an air outlet are formed in the side part of the sealing pipeline.
Preferably, the water flow guiding pipe comprises a telescopic outer pipe arranged in the sealed pipeline, the telescopic outer pipe is fixedly connected with the piston mounting ring, a flow hole is formed in the axial position of the telescopic outer pipe, the water flow conveying pipe is further arranged in the axial position of the flow hole, the water flow guiding pipe further comprises an annular water spraying head arranged above the guiding hopper, and the annular water spraying head is connected with the water flow conveying pipe.
Preferably, the guide hopper is arranged on the telescopic outer tube, a plurality of air outlet holes are distributed on the inner wall of the guide hopper, a water outlet is arranged at the axis position of the guide hopper, a plurality of second guide posts are arranged at the bottom of the guide hopper, and movable blocking plates are arranged on the second guide posts.
Preferably, the air filter layer comprises a mounting frame mounted on the guide hopper, an air filter screen is mounted on the mounting frame, a fixed mounting hole is mounted at the axis position of the air filter screen, and a dirt collecting piece is mounted in the fixed mounting hole.
Preferably, the dirt collecting piece comprises an inserting limiting column, a collecting sleeve is arranged at the bottom of the inserting limiting column, a plurality of collecting ports are formed between the collecting sleeve and the inserting limiting column, external threads are arranged on the outer side of the collecting sleeve, and a sewage filter screen is arranged at the bottom of the collecting sleeve.
Preferably, the circulating rotary brush comprises a rotary mounting frame arranged in the compression guide tank, guide balls are arranged on the side parts of the rotary mounting frame and are in abutting connection with the inclined annular rail, and a plurality of cleaning brushes and scraping strips are symmetrically arranged on the rotary mounting frame.
Preferably, the uniform flow mechanism comprises a fixed mounting sleeve mounted on the rotary mounting frame, a spiral air inlet hopper is mounted in the fixed mounting sleeve, a plurality of uniform air inlets are formed in the inner wall of the spiral air inlet hopper, and rotary blades are further mounted on the spiral air inlet hopper.
A method for processing an electrostatic adsorption dust-removing type flue gas desulfurization and denitrification pretreatment mechanism comprises the following steps of;
s1, when discharged smoke directly enters the compression guide tank, the guide hopper and the air filter layer extrude the smoke when moving upwards, and smoke is sucked when the guide hopper and the air filter layer descend, so that the smoke in the compression guide tank rapidly passes through the air filter layer, and the circulation speed of air can be effectively improved;
s2, the water flow guide pipe conveys cleaning water to the air filter layer, the cleaning water can effectively cool and dust the passing smoke by matching with the air filter layer, the cleaning water can also effectively clean the surface of the air filter layer by matching with the rotating circulating rotating brush, and the air filter layer is effectively prevented from being blocked;
s3, the cleaned sewage can fall into the guide hopper through the air filter layer, the guide hopper guides the sewage into the water flow guide pipe, the water flow guide pipe conveys the sewage to the to-be-treated area, the flue gas passing through the air filter layer can flow to the bottom area of the compression guide tank along the guide hopper, and the flue gas in the bottom area of the compression guide tank passes through the electrostatic adsorber again to carry out secondary dust removal treatment.
Compared with the prior art, the invention has the beneficial effects that:
1. when discharged flue gas directly enters the compression guide tank, the guide hopper and the air filter layer reciprocate up and down to extrude the flue gas, so that the flue gas in the compression guide tank rapidly passes through the air filter layer, the circulation speed of air can be effectively improved, meanwhile, the cleaning water is matched with the air filter layer to effectively cool and dust fall the passing flue gas, the flue gas is cooled by the cleaning water, the subsequent cooling treatment is convenient, the cleaning water is contacted with the flue gas to effectively clean the flue gas to ensure the dust fall effect, the cleaning water is matched with the rotating circulating rotating brush to effectively clean the surface of the air filter layer, the air filter layer is effectively prevented from being blocked, the effective automatic cleaning can effectively save labor, and the flue gas treatment efficiency is improved;
2. the flue gas that the flue gas passed the air filter layer can follow the guide fill and flow to the bottom region of compression guide jar, and the flue gas in the bottom region of compression guide jar passes electrostatic adsorber again and carries out secondary dust removal and handle, can effectively guarantee flue gas treatment quality.
Drawings
FIG. 1 is a schematic perspective view of an electrostatic adsorption dust removal type flue gas desulfurization and denitrification pretreatment mechanism;
FIG. 2 is a plan sectional view of an electrostatic adsorption dust collection type flue gas desulfurization and denitrification pretreatment mechanism;
FIG. 3 is a plan sectional perspective view of a part of the structure of an electrostatic adsorption dust removing type flue gas desulfurization and denitrification pretreatment mechanism;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a plan cut-away perspective view of a compression guide tank in an electrostatic adsorption dust removal flue gas desulfurization and denitrification pretreatment mechanism;
FIG. 6 is a partial enlarged view at B in FIG. 5;
FIG. 7 is a perspective view of a water flow guiding pipe, guiding hopper and air filtering layer in an electrostatic adsorption dust removing type flue gas desulfurization and denitrification pretreatment mechanism;
FIG. 8 is a perspective view of a dirt collection member in an electrostatic adsorption dust removal flue gas desulfurization and denitrification pretreatment mechanism;
FIG. 9 is a perspective view of a guide hopper in an electrostatic adsorption dust removal type flue gas desulfurization and denitrification pretreatment mechanism;
FIG. 10 is a schematic perspective view of a uniform flow mechanism in an electrostatic adsorption dust removal type flue gas desulfurization and denitrification pretreatment mechanism;
fig. 11 is a schematic perspective view of a uniform flow mechanism in the electrostatic adsorption dust removing type flue gas desulfurization and denitrification pretreatment mechanism.
The reference numerals in the figures are: 1-compressing a guide tank; 11-inclined annular rail; 12-an access hole; 13-mounting a bracket; 14-an air inlet sleeve; 15-a first guide post; 16-a blanking plate; 17-a spring; 2-lifting pushing mechanism; 21-sealing the pipe; 211-air inlet; 212-an air outlet; 22-piston mounting ring; 3-a water flow guiding pipe; 31-telescoping outer tube; 32-a water flow conveying pipe; 33-ring-shaped sprinkler heads; 4-a guide hopper; 41-air outlet holes; 42-water outlet; 43-second guide post; 44-a movable blanking plate; 5-an air filter layer; 51-mounting a frame; 52-an air filter screen; 53-dirt collection member; 531-inserting a limit column; 532—a collection sleeve; 533—a collection port; 534-a sewage filter screen; 6-circularly rotating brushes; 61-rotating the mounting frame; 62-guide ball; 63-cleaning brush; 64-scraping strips; 7-a uniform flow mechanism; 71-turning the blades; 72-fixing the mounting sleeve; 73-spiral air inlet hopper; 731-air equalizing port; 8-electrostatic adsorber.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1 to 11, an electrostatic adsorption dust removing type flue gas desulfurization and denitrification pretreatment mechanism comprises a pre-cooling dust removing mechanism for rapidly filtering flue gas, wherein the pre-cooling dust removing mechanism comprises a compression guide tank 1 installed at a flue outlet position, a lifting pushing mechanism 2 is installed in the compression guide tank 1, a water flow guide pipe 3 is installed on the lifting pushing mechanism 2, a guide hopper 4 is installed at the top of the water flow guide pipe 3, an air filter layer 5 is installed on the guide hopper 4, a circulating rotating brush 6 is installed above the air filter layer 5, a uniform flow mechanism 7 is installed above the circulating rotating brush 6, and the pre-cooling dust removing mechanism further comprises an electrostatic adsorber 8 installed at the air outlet end of the compression guide tank 1.
The staff installs the compression guide jar 1 in the outlet flue position of boiler, drive rivers guide tube 3 through lift pushing mechanism 2 and go up and down to remove, can promote guide bucket 4 and go up the synchronization when rivers guide tube 3 rise and go up the removal, can drive air filter layer 5 synchronization when guide bucket 4 rises and remove, rivers guide tube 3 can guide and carry sewage, rivers guide tube 3 can also carry the washing water to air filter layer 5 simultaneously, can drive circulation rotating brush 6 and go up the removal simultaneously when air filter layer 5 moves, can cooperate compression guide jar 1 to change the lift into circulation rotation force simultaneously when circulation rotating brush 6 rises to remove, can effectually clean air filter layer 5 when circulation rotating brush 6 rotates, can drive uniform flow mechanism 7 and rotate in step when uniform flow mechanism 7 rises, can spin by the influence of the air flow when uniform flow mechanism 7 spin, can make the air current evenly flow to air filter layer 5.
When the exhaust flue gas can directly enter the compression guide tank 1, guide fill 4 and air filter layer 5 up-and-down reciprocating motion can extrude the flue gas, make the inside flue gas of compression guide tank 1 pass air filter layer 5 fast, can effectually improve the circulation rate of air, simultaneously wash water cooperation air filter layer 5 can effectually cool down and dust fall the flue gas that passes and handle, the flue gas is convenient for follow-up cooling treatment through wash water cooling, wash water and flue gas contact can effectually wash the flue gas and ensure the dust fall effect, wash water can also cooperate pivoted cyclic rotation brush 6 to carry out effectual cleaning treatment to the surface of air filter layer 5, effectually avoid air filter layer 5 to appear blocking up, abluent sewage can pass air filter layer 5 and fall into guide fill 4, guide fill 4 is with sewage guide to rivers guide pipe 3, rivers guide pipe 3 sewage transport is to wait to handle the region, the flue gas that passes air filter layer 5 can follow guide fill 4 flow direction compression guide tank 1's bottom region, the flue gas that compresses guide tank 1's bottom region passes electrostatic adsorber 8 again and carries out secondary dust removal treatment, electrostatic adsorber 8 is here, the unnecessary improvement of flue gas that can not effectively handle the flue gas quality is handled to the here.
Referring to fig. 3, 5 and 6, an inclined annular rail 11 for guiding the circulating rotary brush 6 to rotate is arranged in the compression guide tank 1, an access hole 12 is formed in the side portion of the compression guide tank 1, a mounting bracket 13 is arranged at the air inlet end of the compression guide tank 1, an air inlet sleeve 14 is arranged at the axial center position of the mounting bracket 13, a first guide pillar 15 is further mounted on the mounting bracket 13, a blocking plate 16 is mounted on the first guide pillar 15, and a spring 17 is mounted between the blocking plate 16 and the mounting bracket 13.
The installing support 13 is installed in the mouth position of giving vent to anger, when the exhaust flue gas can directly pass the inside that air inlet sleeve 14 on installing support 13 entered compression guide jar 1, drive rivers guide tube 3 through lift pushing mechanism 2 and go up and down to remove, can promote guide bucket 4 and carry out synchronous rising and remove when rising of rivers guide tube 3, can drive air filter layer 5 synchronous movement when guide bucket 4, can drive circulation rotation brush 6 and carry out synchronous rising and remove when air filter layer 5 moves, can follow slope annular rail 11 and remove when circulation rotation brush 6 rises and remove, slope annular rail 11 can make the circulation rotation brush 6 that rises carry out synchronous rotation, can extrude the flue gas that gets into compression guide jar 1 inside when guide bucket 4 and air filter layer 5 rise and remove, can flow backward when the flue gas is pressurized, can promote the jam plate 16 and air inlet sleeve 14 laminating conflict when the flue gas is countercurrent, spring 17 receives the extrusion, it is closed to make the flue gas pass only from air filter layer 5 when being extruded, can effectually improve the circulation speed of air.
Referring to fig. 3 and 4, the elevation pushing mechanism 2 includes a sealing duct 21 installed inside the compression guide tank 1, a piston mounting ring 22 installed inside the sealing duct 21, and an air inlet 211 and an air outlet 212 provided at the sides of the sealing duct 21.
The air inlet 211 of sealed pipeline 21 lateral part is connected with the gas-supply pipeline, the gas outlet 212 of sealed pipeline 21 is connected with the gas-exhaust pipeline, when needs promote rivers guide tube 3 and carry out the lift and remove, carry atmospheric pressure to sealed pipeline 21 inside through the gas-supply pipeline, the inside atmospheric pressure of entering sealed pipeline 21 can promote piston collar 22 and remove, then can drive rivers guide tube 3 and go up and down the removal when the piston collar 22 rises and remove, open the air extraction pipeline when needs decline and remove and take the inside air of sealed pipeline 21 out, can make piston collar 22 decline and remove when the inside air extraction of sealed pipeline 21, then can drive rivers guide tube 3 and descend in step when piston collar 22 decline and remove.
Referring to fig. 3, 4 and 7, the water flow guiding tube 3 includes a telescopic outer tube 31 installed inside the sealed pipe 21, the telescopic outer tube 31 is fixedly connected with the piston mounting ring 22, a flow hole is provided at the axial position of the telescopic outer tube 31, a water flow conveying pipe 32 is further installed at the axial position inside the flow hole, the water flow guiding tube 3 further includes an annular water spraying head 33 installed above the guiding funnel 4, and the annular water spraying head 33 is connected with the water flow conveying pipe 32.
The telescopic outer pipe 31 is arranged on the piston mounting ring 22, the piston mounting ring 22 is matched with the piston mounting ring 22 to move up and down in the sealing pipeline 21, the water flow conveying pipe 32 is connected with the water flow conveying pump, the water flow conveying pump can convey cleaning water to the water flow conveying pipe 32, the water flow conveying pipe 32 conveys the cleaning water to the annular water spraying head 33 in a guiding mode, the annular water spraying head 33 conveys the cleaning water to the air filtering layer 5 through a plurality of nozzles, the cleaning water is matched with the air filtering layer 5 to effectively cool and dust the passing smoke, the cleaning water is matched with the rotating circulating rotating brush 6 to effectively clean the surface of the air filtering layer 5, the used sewage can fall into the guiding hopper 4 through the air filtering layer 5, the guiding hopper 4 guides the sewage into the flow hole of the telescopic outer pipe 31, and the telescopic outer pipe 31 conveys the flowing sewage into the area to be treated.
Referring to fig. 3, 7 and 9, the guide bucket 4 is mounted on the telescopic outer tube 31, a plurality of air outlets 41 are distributed on the inner wall of the guide bucket 4, a water outlet 42 is arranged at the axial center position of the guide bucket 4, a plurality of second guide posts 43 are arranged at the bottom of the guide bucket 4, and a movable blocking plate 44 is mounted on the second guide posts 43.
The water flow guiding pipe 3 is driven to move up and down through the lifting pushing mechanism 2, the guiding hopper 4 is pushed to ascend when the water flow guiding pipe 3 ascends, the air filtering layer 5 is driven to extrude smoke inside the compressed guiding tank 1 when the guiding hopper 4 ascends, the smoke is extruded to enable the smoke to rapidly pass through the air filtering layer 5, the smoke enters the bottom of the compressed guiding tank 1 through the air outlet holes 41 when the guiding hopper 4, cleaning water conveyed by the water flow guiding pipe 3 can fall into the guiding hopper 4 when the air filtering layer 5 is washed, the cleaning water which falls into the guiding hopper 4 is guided into the telescopic outer pipe 31 of the water flow guiding pipe 3 through the water outlet 42, the smoke at the bottom of the compressed guiding tank 1 is extruded when the guiding hopper 4 descends, the movable blocking plate 44 is influenced by air pressure to ascend along the guide pillar when the smoke at the bottom of the compressed guiding tank 1 is extruded, the air outlet holes 41 of the guiding hopper 4 are blocked when the guiding hopper 4 descends, the smoke at the bottom of the compressed guiding tank 1 rapidly flows to the static adsorber 8 when the air outlet holes 41 are blocked, and the suction force can be formed at the upper end of the compressed guiding tank 1 at the same time, and the suction force can be convenient to form suction force of the smoke.
Referring to fig. 3 and 7, the air filter 5 includes a mounting frame 51 mounted on the guide hopper 4, an air filter 52 is mounted on the mounting frame 51, a fixed mounting hole is mounted at an axial center position of the air filter 52, and a dirt collecting member 53 is mounted inside the fixed mounting hole.
The installation frame 51 is used for limiting and installing the air filter screen 52, the air filter screen 52 is used for air filtering dust particles in the air, the fixed installation hole at the axis position of the air filter screen 52 is used for limiting and installing the dirt collecting piece 53, and when the circulating rotating brush 6 is matched with cleaning water to clean the air filter screen 52, cleaned dirt can fall into the dirt collecting piece 53 to be stored.
Referring to fig. 7 and 8, the dirt collecting member 53 includes a penetration limit post 531, a collecting sleeve 532 is disposed at the bottom of the penetration limit post 531, a plurality of collecting openings 533 are disposed between the collecting sleeve 532 and the penetration limit post 531, external threads are disposed on the outer side of the collecting sleeve 532, and a sewage filter screen 534 is disposed at the bottom of the collecting sleeve 532.
When the dirt collecting piece 53 is installed, workers pass through the penetrating limiting column 531 and the collecting sleeve 532 in sequence through the uniform flow mechanism 7 and the circulating rotating brush 6, so that the collecting sleeve 532 is in butt joint with the fixed mounting hole of the air filter screen 52, the workers rotate the penetrating limiting column 531 again, the penetrating limiting column 531 drives the collecting sleeve 532 to synchronously rotate when rotating, the collecting sleeve 532 is installed in the fixed mounting hole, when the circulating rotating brush 6 is matched with cleaning water to clean the air filter screen 52, the cleaned dirt can fall into the collecting sleeve 532 from the collecting sleeve 532, and the sewage filter screen 534 at the bottom of the collecting sleeve 532 can enable water in the dirt to flow into the guide hopper 4, so that the dirt filtered by cleaning is convenient to collect.
Referring to fig. 3 and 10, the circulating rotary brush 6 includes a rotary mounting frame 61 mounted inside the compression guide tank 1, guide balls 62 are mounted at sides of the rotary mounting frame 61, the guide balls 62 are in abutting connection with the inclined annular rail 11, and a plurality of cleaning brushes 63 and scraping bars 64 are symmetrically mounted on the rotary mounting frame 61.
When the rotary mounting frame 61 moves up and down, the guide balls 62 can effectively guide the rotary mounting frame 61 to circularly rotate along the inclined annular rail 11, the rotary mounting frame 61 can drive the cleaning brush 63 and the scraping strip 64 to synchronously rotate, the cleaning brush 63 and the scraping strip 64 are both bent, the bent cleaning brush 63 and the scraping strip 64 can clean the surface of the air filter layer 5 when rotating, and meanwhile, the cleaning brush 63 and the scraping strip 64 can collect cleaned dirt in the dirt collecting piece 53, and the air filter layer 5 is effectively collected and cleaned.
Referring to fig. 3, 10 and 11, the uniform flow mechanism 7 includes a fixed mounting sleeve 72 mounted on the rotary mounting frame 61, a spiral air inlet scoop 73 is mounted in the fixed mounting sleeve 72, a plurality of air equalizing ports 731 are provided on the inner wall of the spiral air inlet scoop 73, and a rotary vane 71 is mounted on the spiral air inlet scoop 73.
When the fixed mounting sleeve 72 rises, the air flow can pass through the rotating blade 71, the rotating blade 71 can rotate when passing through the rotating blade 71, the rotating blade 71 can drive the spiral air inlet hopper 73 to synchronously rotate when rotating, the rotating blade 71 can enable the air flow to uniformly blow into the spiral air inlet hopper 73, the air flow can be uniformly diffused onto the air filter layer 5 through the air equalizing port 731 inside the spiral air inlet hopper 73 when rotating, and the uniformity of the air flow is effectively improved.
A method for processing an electrostatic adsorption dust-removing type flue gas desulfurization and denitrification pretreatment mechanism comprises the following steps of;
s1, when discharged smoke directly enters the compression guide tank 1, the guide hopper 4 and the air filter layer 5 extrude the smoke when moving upwards, and the guide hopper 4 and the air filter layer 5 suck the smoke when moving downwards, so that the smoke in the compression guide tank 1 rapidly passes through the air filter layer 5, and the circulation speed of air can be effectively improved;
s2, the water flow guide pipe 3 conveys cleaning water to the air filter layer 5, the cleaning water is matched with the air filter layer 5 to effectively cool and dust fall the passing smoke, the smoke is cooled by the cleaning water to facilitate subsequent cooling treatment, the cleaning water is contacted with the smoke to effectively clean the smoke to ensure the dust fall effect, and the cleaning water is matched with the rotating circulating rotating brush 6 to effectively clean the surface of the air filter layer 5, so that the air filter layer 5 is effectively prevented from being blocked;
s3, the cleaned sewage can fall into the guide hopper 4 through the air filter layer 5, the guide hopper 4 guides the sewage into the water flow guide pipe 3, the water flow guide pipe 3 conveys the sewage to a region to be treated, the flue gas passing through the air filter layer 5 guides the hopper 4 to flow to the bottom region of the compression guide tank 1, and the flue gas in the bottom region of the compression guide tank 1 passes through the electrostatic adsorber 8 for secondary dust removal treatment.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.
Claims (8)
1. The utility model provides an electrostatic adsorption dust type flue gas desulfurization denitration pretreatment mechanism, including the pre-cooling dust removal mechanism of quick filtration flue gas, a serial communication port, pre-cooling dust removal mechanism is including installing compression guide tank (1) in outlet port position, the internally mounted of compression guide tank (1) has lift pushing mechanism (2), install rivers guide pipe (3) on lift pushing mechanism (2), install guide bucket (4) at the top of rivers guide pipe (3), install air filter layer (5) on guide bucket (4), install circulation rotation brush (6) above air filter layer (5), install even flow mechanism (7) above circulation rotation brush (6), pre-cooling dust removal mechanism still includes electrostatic adsorber (8) of installing at compression guide tank (1) end of giving vent to anger; the inside of the compression guide tank (1) is provided with an inclined annular rail (11) for guiding the circulating rotary brush (6) to rotate, the side part of the compression guide tank (1) is provided with an access hole (12), the air inlet end of the compression guide tank (1) is provided with a mounting bracket (13), the axis position of the mounting bracket (13) is provided with an air inlet sleeve (14), the mounting bracket (13) is also provided with a first guide pillar (15), the first guide pillar (15) is provided with a blocking plate (16), and a spring (17) is arranged between the blocking plate (16) and the mounting bracket (13); the lifting pushing mechanism (2) comprises a sealing pipeline (21) arranged in the compression guide tank (1), a piston mounting ring (22) is arranged in the sealing pipeline (21), and an air inlet (211) and an air outlet (212) are formed in the side part of the sealing pipeline (21).
2. The electrostatic adsorption dust removal type flue gas desulfurization and denitrification pretreatment mechanism according to claim 1, wherein the water flow guide pipe (3) comprises a telescopic outer pipe (31) arranged in the sealing pipeline (21), the telescopic outer pipe (31) is fixedly connected with the piston mounting ring (22), a flow hole is formed in the axis position of the telescopic outer pipe (31), a water flow conveying pipe (32) is further arranged in the axis position of the inside of the flow hole, the water flow guide pipe (3) further comprises an annular water spray head (33) arranged above the guide bucket (4), and the annular water spray head (33) is connected with the water flow conveying pipe (32).
3. The electrostatic adsorption dust removal type flue gas desulfurization and denitrification pretreatment mechanism according to claim 2, wherein the guide hopper (4) is mounted on the telescopic outer tube (31), a plurality of air outlet holes (41) are distributed in the inner wall of the guide hopper (4), a water outlet (42) is formed in the axis position of the guide hopper (4), a plurality of second guide posts (43) are arranged at the bottom of the guide hopper (4), and movable blocking plates (44) are mounted on the second guide posts (43).
4. An electrostatic adsorption dust collection type flue gas desulfurization and denitrification pretreatment mechanism according to claim 3, wherein the air filter layer (5) comprises a mounting frame (51) mounted on the guide hopper (4), an air filter screen (52) is mounted on the mounting frame (51), a fixed mounting hole is mounted at the axial center position of the air filter screen (52), and a dirt collecting member (53) is mounted in the fixed mounting hole.
5. The electrostatic adsorption dust removal type flue gas desulfurization and denitration pretreatment mechanism according to claim 4, wherein the dirt collecting member (53) comprises a penetrating limit column (531), a collecting sleeve (532) is arranged at the bottom of the penetrating limit column (531), a plurality of collecting ports (533) are arranged between the collecting sleeve (532) and the penetrating limit column (531), external threads are arranged on the outer side of the collecting sleeve (532), and a sewage filter screen (534) is arranged at the bottom of the collecting sleeve (532).
6. The electrostatic adsorption dust-removing flue gas desulfurization and denitrification pretreatment mechanism according to claim 5, wherein the circulating rotary brush (6) comprises a rotary mounting frame (61) mounted inside the compression guide tank (1), guide balls (62) are mounted on the side portions of the rotary mounting frame (61), the guide balls (62) are in abutting connection with the inclined annular rail (11), and a plurality of cleaning brushes (63) and scraping strips (64) are symmetrically mounted on the rotary mounting frame (61).
7. The electrostatic adsorption dust-removing flue gas desulfurization and denitrification pretreatment mechanism according to claim 6, wherein the uniform flow mechanism (7) comprises a fixed mounting sleeve (72) mounted on a rotary mounting frame (61), a spiral air inlet hopper (73) is mounted in the fixed mounting sleeve (72), a plurality of air equalizing ports (731) are formed in the inner wall of the spiral air inlet hopper (73), and rotary blades (71) are further mounted on the spiral air inlet hopper (73).
8. A method for treating an electrostatic adsorption dust-removing type flue gas desulfurization and denitrification pretreatment mechanism, which adopts the electrostatic adsorption dust-removing type flue gas desulfurization and denitrification pretreatment mechanism as claimed in any one of claims 1 to 7, and is characterized by comprising the following steps of;
s1, when discharged smoke directly enters the compression guide tank (1), the guide hopper (4) and the air filter layer (5) can squeeze the smoke when moving upwards, and the guide hopper (4) and the air filter layer (5) can suck the smoke when moving downwards, so that the smoke in the compression guide tank (1) rapidly passes through the air filter layer (5), and the circulation speed of air can be effectively improved;
s2, the water flow guide pipe (3) is used for conveying cleaning water to the air filter layer (5), the cleaning water is matched with the air filter layer (5) to effectively cool and dust the passing smoke, and the cleaning water is matched with the rotating circulating rotating brush (6) to effectively clean the surface of the air filter layer (5), so that the air filter layer (5) is effectively prevented from being blocked;
s3, the cleaned sewage can fall into the guide hopper (4) through the air filter layer (5), the guide hopper (4) guides the sewage into the water flow guide pipe (3), the water flow guide pipe (3) conveys the sewage to a to-be-treated area, the flue gas passing through the air filter layer (5) can flow to the bottom area of the compression guide tank (1) along the guide hopper (4), and the flue gas in the bottom area of the compression guide tank (1) passes through the electrostatic adsorber (8) again for secondary dust removal treatment.
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| CN1706554A (en) * | 2004-06-07 | 2005-12-14 | 巴尔克-迪尔有限公司 | Gas supply for electrostatic filter and electrostatic filter arrangement |
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