CN118384640A - Maintenance-free self-cleaning dust remover system and application method thereof - Google Patents
Maintenance-free self-cleaning dust remover system and application method thereof Download PDFInfo
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- CN118384640A CN118384640A CN202410511725.0A CN202410511725A CN118384640A CN 118384640 A CN118384640 A CN 118384640A CN 202410511725 A CN202410511725 A CN 202410511725A CN 118384640 A CN118384640 A CN 118384640A
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- 239000000428 dust Substances 0.000 title claims abstract description 250
- 238000004140 cleaning Methods 0.000 title claims abstract description 138
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000005406 washing Methods 0.000 claims abstract description 95
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- 239000003595 mist Substances 0.000 claims abstract description 35
- 230000008569 process Effects 0.000 claims abstract description 35
- 239000002912 waste gas Substances 0.000 claims abstract description 28
- 230000000694 effects Effects 0.000 claims abstract description 18
- 238000009825 accumulation Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 62
- 239000002253 acid Substances 0.000 claims description 48
- 239000007921 spray Substances 0.000 claims description 42
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 35
- 239000000292 calcium oxide Substances 0.000 claims description 17
- 235000012255 calcium oxide Nutrition 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 15
- 239000003546 flue gas Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 15
- 238000000889 atomisation Methods 0.000 claims description 14
- 241000886569 Cyprogenia stegaria Species 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 12
- 238000004062 sedimentation Methods 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 230000001502 supplementing effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000003517 fume Substances 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 241000521257 Hydrops Species 0.000 claims description 3
- 206010030113 Oedema Diseases 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000000227 grinding Methods 0.000 claims 1
- 239000013049 sediment Substances 0.000 claims 1
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- 239000000779 smoke Substances 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 2
- 238000005054 agglomeration Methods 0.000 abstract description 2
- 230000002776 aggregation Effects 0.000 abstract description 2
- 239000013013 elastic material Substances 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- 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
- B01D53/26—Drying gases or vapours
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The invention discloses a maintenance-free self-cleaning elastic dust remover system, wherein waste gas is sucked into an elastic dust suction hood, flows in an elastic dust suction pipeline to be wetted and removes part of dust under the action of an edge effect, the self-cleaning dust remover is horizontally arranged, the interior of the self-cleaning dust remover is divided into a high-pressure washing cavity, a medium-pressure washing cavity and a demisting cavity, smoke is washed by high-pressure atomized water in the high-pressure washing cavity, is washed by medium-pressure atomized water in the medium-pressure washing cavity, and is subjected to three-stage purification process with the assistance of an ultrasonic generator, the water mist is removed by the demisting cavity and then is discharged, the elastic dust suction hood, an elastic dust suction pipe and a self-cleaning dust remover shell are all made of elastic materials and are provided with vibration devices, impellers of the self-cleaning fans are horizontally arranged, dust suction hood, the waste gas pipeline, the inner walls of the dust remover and the impellers of the fans can be used for online dust accumulation and agglomeration of the upper parts of the dust remover, and the waste gas is subjected to multistage treatment, and the dust removal efficiency is high, and the dust removal efficiency is particularly suitable for waste gas treatment process containing adhesive dust, and solves the problems in the background technology.
Description
Technical Field
The invention relates to the field of environmental protection equipment in the metallurgical industry, in particular to a maintenance-free self-cleaning dust remover system and a use method thereof.
Background
In the production flow of metallurgical industry, firstly, raw materials (iron materials, fuel and flux) contain a large amount of adhesive dust, especially flux quicklime in a sintering batching system and a mixing system, the chemical component is Ca0, the raw materials are required to be added with water, wet and digested in a digester to be converted into a slaked lime Ca (OH) 2 form and release heat, a large amount of lime dust and steam are generated in the process, and in addition, a primary mixer and a secondary mixer are used for mixing and granulating, because the raw materials contain a large amount of adhesive dust and are accompanied by a large amount of steam,
The existing lime digestion and primary mixing and secondary mixing processes mostly adopt wet dust collectors, are easy to adhere, form rings, solidify and thicken gradually in dust hoods, pipelines and dust collectors, block the pipelines and the dust collectors, reduce dust collection efficiency and lose effectiveness gradually, and dust is accumulated and attached on a fan impeller to cause damage of dynamic balance of the fan impeller to affect normal use, so that the defects of short service cycle and poor dust collection effect exist, and the dust collector needs to be shut down frequently to be cleaned and maintained manually.
In the application process of smelting process environment dust removal, a bag type dust collector or an electric dust collector is mostly adopted, wherein the bag type dust collector belongs to single-stage dust collection, namely, partial cloth bags in the system are damaged to cause direct emission of partial waste gas, or dust collection efficiency is reduced after the cloth bags are aged to cause dust in the discharged waste gas to exceed a standard, the cloth bags are blocked to cause increase of system resistance, especially dust and moisture are combined to form mud-like blocking cloth bags in an environment containing certain humidity, a fan impeller is stained with dust to form a shell, the defects of high system energy consumption and difficult maintenance exist, the electric dust collector belongs to multistage dust collection, namely, a plurality of electric fields are operated in series, firstly, fly ash is generated during terminal electric field vibration to cause emission to exceed a standard, secondly, dust in the waste gas is easy to accumulate on polar plates and polar lines to form dust and agglomerate when the humidity of the waste gas is high, and the dust in the waste gas is accumulated on the impeller to damage dynamic balance of the impeller and the like.
In summary, the existing dust removing device applied to the environment dust removing process of the sintering lime digestion, primary and secondary mixing machine and steel smelting process has the problems that the system pressure loss is high, the pipeline and the dust remover Yi Jiekuai are blocked, the dust removing efficiency is low due to the condition that the operation is limited by the smoke and dust property and the humidity of the waste gas, the dynamic balance is easily damaged due to the agglomeration of the fan impeller, and the like.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention aims to provide a maintenance-free self-cleaning dust remover system which is suitable for flue gas treatment containing adhesive dust, can remove dust accumulation and caking on an exhaust gas pipeline, the inner wall of the dust remover and a fan impeller on line, has higher dust removal efficiency in multistage treatment of exhaust gas compared with the existing dust remover, and solves the problems existing in the background art.
In order to solve the problems, the invention adopts the following technical scheme.
The utility model provides a maintenance-free self-cleaning formula dust remover system, includes elasticity dust hood, elasticity flexible dust absorption pipeline, self-cleaning formula dust remover, supersonic generator, elasticity flue gas pipeline, self-cleaning fan, cyclone dehydrator, circulating pump group and grinder, elasticity dust hood passes through the elastic connection piece and is connected with elasticity dust absorption pipeline front end, a plurality of elasticity dust absorption pipelines pass through elastic connection piece or elasticity tee bend head end to end and are linked together with elasticity dust remover's entry, be equipped with pipeline cleaning shower nozzle and pipeline cleaning vibrator in the elastic connection piece, elasticity tee bend, elasticity flexible dust absorption pipeline is connected with the sealed cover of digester, and the sealed cover of digester comprises sealed cover skeleton of digester and rather than complex elastic plate, and inside is equipped with a plurality of elastic partition boards that both ends and elastic plate slide airtight, upper portion hung forms the labyrinth dust remover, and upper portion is equipped with the sealed cover of digester and cleans the vibrator and pass through soft elastic seal and seal the dirty dust collector upper portion of labyrinth dust collector, the digester cover is airtight and is in the sealed and is in the dust hood of elastic dust collector through push-pull hood sealing gate valve and elasticity dust hood sealing pipe, and the exhaust port of quick lime digester is airtight and with elasticity dust hood sealing hood and the clean vibrator. The self-cleaning dust remover box body is characterized in that the rigid framework around the self-cleaning dust remover box body is of a grid structure, each grid is sealed by an elastic plate, the elastic plates are provided with elastic frameworks integrally connected with the elastic frameworks, the ends of the elastic frameworks are fixedly connected with the rigid frameworks, the upper parts of the elastic frameworks are provided with box body vibrators, the inside of the self-cleaning dust remover box body is divided into a high-pressure washing cavity, a medium-pressure washing cavity and a demisting cavity by elastic partition plates, the high-pressure washing cavity is communicated with the upper part of the medium-pressure washing cavity, the lower part of the high-pressure washing cavity is separated and sealed by the elastic partition plates, the upper ends of the medium-pressure washing cavity and the demisting cavity are respectively communicated with the upper parts of the elastic partition plates, the inside of the high-pressure washing cavity and the medium-pressure washing cavity are respectively provided with a high-pressure atomizing nozzle and a medium-pressure atomizing nozzle which are arranged in a multi-layer mode, the upper parts of the demisting cavity are provided with a dehydration plate, the side lower parts of the high-pressure washing cavity are provided with air inlet boxes which are communicated with the tail ends of flexible dust collection pipelines, the side upper parts of the demisting cavity are provided with air extraction boxes which are provided with elastic cone structures, and the air extraction boxes which are communicated with the inlets of the self-cleaning fans.
Further, the top of the self-cleaning dust remover box body is sealed, the upper parts of the high-pressure washing cavity and the medium-pressure washing cavity are provided with ultrasonic generators, the bottom of the self-cleaning dust remover box body is sealed by a settling tank, a liquid level meter and a water supplementing valve matched with the liquid level meter are arranged on the settling tank, the middle upper part of the self-cleaning dust remover is communicated with a high-pressure pump inlet of a circulating pump set through a high-pressure pump water inlet valve, the middle-pressure pump water inlet valve is communicated with a medium-pressure pump inlet, and the bottom of the self-cleaning dust remover is provided with a grinder.
Furthermore, a drain valve is arranged at the lower part of the grinder, the grinder grinds and breaks the caking precipitated at the bottom and discharges the caking through the drain valve, an outlet pipeline of the high-pressure pump is communicated with a high-pressure atomization spray head in the high-pressure washing cavity through a high-pressure washing valve, and is communicated with an elastic connecting piece or a pipeline cleaning spray head in an elastic tee joint through a plurality of pipeline cleaning valves.
Further, an outlet pipeline of the medium-pressure pump is communicated with a medium-pressure atomization spray head in the medium-pressure washing cavity through a medium-pressure washing valve, and an outlet pipeline of the medium-pressure pump is communicated with a back-flushing spray head in the demisting cavity through a back-flushing spray valve.
Further, self-cleaning fan includes driving motor, fan casing, impeller and transmission shaft, and driving motor, the air intake and the air outlet of fan casing of self-cleaning fan are in the impeller top, and the impeller is the level and arranges, and the both ends of transmission shaft are all fixed through closed tile seat, and the bottom of fan casing is equipped with a hydrops fill and communicates with the acidizing fluid case through the flowing back valve.
Further, an acid liquid pump is arranged on the acid liquid tank, and an outlet of the acid liquid pump is communicated with the upper part of the fan shell through a cleaning valve.
Further, an inlet of the cyclone dehydrator is communicated with an air outlet of the self-cleaning fan, a liquid discharge pipe is arranged at the bottom of the cyclone dehydrator, and the tail end of the liquid discharge pipe stretches into liquid in the settling tank.
The application method of the self-cleaning dust remover system comprises the following steps:
s1: firstly, a high-pressure pump and a medium-pressure pump of a circulating pump group are started, the opening quantity of high-pressure washing valves at each layer of a high-pressure washing cavity and medium-pressure washing valves at each layer of a medium-pressure washing cavity are regulated, the washing water quantity and atomization effect are regulated to be matched with the process requirement,
S2: secondly, starting a self-cleaning fan and simultaneously starting a pipeline cleaning valve, spraying high-pressure water mist by an elastic connecting piece and a pipeline cleaning spray head on an elastic tee joint, mixing dust-containing waste gas with the high-pressure water mist in the flowing process of the elastic dust collection pipeline, removing large-particle dust attached to the pipeline wall under the effect of the pipeline edge effect for one-time dust removal, sucking the dust-containing waste gas into a dust remover in a muddy water state, periodically running the elastic connecting piece and a pipeline cleaning vibrator on the elastic tee joint to remove accumulated dust and caking accumulated in the elastic dust collection pipeline,
S3: the waste gas containing dust again goes upward through the high-pressure washing cavity and simultaneously starts the ultrasonic generator to be mixed and contacted with the high-pressure water mist sprayed by the high-pressure atomization spray nozzle for secondary dust removal, the large-particle water mist sprayed by the medium-pressure atomization spray nozzle goes downward through the medium-pressure washing cavity to be mixed and removed for tertiary dust removal, and simultaneously the small-particle water mist brought in the secondary dust removal process is removed for mixed adsorption, in the secondary dust removal and tertiary dust removal processes, the ultrasonic generator emits ultrasonic waves, the water mist and the dust generate resonance coupling reaction to improve the dust removal efficiency, the box vibrator periodically runs to remove the caking accumulated on the inner wall of the self-cleaning dust remover,
S4: the water mist is contacted with the dewatering plate to remove water again through the ascending of the demisting cavity to become clean flue gas with dust content and extremely low water content, the back flush spray valve periodically opens the back flush spray head to arrange granular water drops and drops with the dewatering plate, the muddy water attached to the dewatering plate is washed cleanly,
S5: finally, the water generated by the compression effect in the running process of the self-cleaning fan is removed and discharged by the cyclone dehydrator 7 through the exhaust box, the elastic flue gas pipeline and the self-cleaning fan,
S6: the liquid level meter is matched with the water supplementing valve to keep the water level in the settling tank constant, the grinder grinds and pulverizes the caking settled at the bottom of the settling tank and discharges the caking through the blow-down valve for the quicklime slaker and the primary and secondary mixers,
S7: stopping running when the dynamic balance of dust accumulation or adhered caking falling off of the impeller of the self-cleaning fan is broken, closing the liquid discharge valve, opening the cleaning valve, conveying the acid liquid in the acid liquid tank into the fan shell by the acid liquid pump, soaking the impeller, removing scaling of the impeller by reaction with the acid liquid, dissolving the scaling in the acid liquid in mud, opening the liquid discharge valve to discharge the acid liquid into the acid liquid tank, closing the cleaning valve, and closing the cleaning valve, so that the impeller cleaning process is finished and put into use again.
The beneficial effects of the invention are as follows: the dust collector can clean dust collection and caking on the dust hood, the waste gas pipeline, the inner wall of the dust collector and the fan impeller on line, the waste gas is subjected to multistage treatment, the dust collection efficiency is higher than that of the existing various dust collectors, and the dust collector is particularly suitable for a flue gas treatment process containing adhesive dust.
Drawings
Figure 1 is a schematic diagram of a maintenance-free self-cleaning dust collector system of the present invention,
Figure 2 is a schematic view of the structure of part a of figure 1,
Figure 3 is a schematic view of part B of figure 1,
FIG. 4 is a schematic view of the structure of the elastic dust hood and the elastic dust collection pipeline when being matched with the quicklime slaker,
FIG. 5 is a schematic view of the structure of the elastic dust hood and the elastic dust collection pipeline when the elastic dust hood and the elastic dust collection pipeline are applied to the primary and secondary mixers and the environmental dust collection,
The reference numerals in the figures illustrate:
1 elastic dust hood, 2 elastic dust collection pipeline, 3 self-cleaning dust remover, 4 ultrasonic generator, 5 elastic flue gas pipeline, 6 self-cleaning fan, 7 cyclone dehydrator, 8 circulating pump group, 9 grinder, 10 elastic connector, 11 elastic tee joint, 12 pipeline cleaning spray nozzle, 13 pipeline cleaning vibrator, 14 quick lime digester, 15 digester sealing cover skeleton, 16 elastic plate, 17 elastic separation plate, 18 digester sealing cover vibrator, 19 elastic sealing, 20 fume hood, 21 rigid skeleton, 22 elastic plate, 23 elastic skeleton, 24 box vibrator, 25 separation plate, 26 high pressure washing cavity, 27 medium pressure washing cavity, and 28 defogging cavity, 29 high-pressure atomizer, 30 medium-pressure atomizer, 31 dewatering plate, 32 back flush atomizer, 33 inlet box, 34 extraction box, 35 sedimentation box, 36 liquid level meter, 37 water supplementing valve, 38 high-pressure pump water inlet valve, 39 high-pressure pump, 40 medium-pressure pump water inlet valve, 41 medium-pressure pump, 42 blow-down valve, 43 high-pressure washing valve, 44 pipeline cleaning valve, 45 medium-pressure washing valve, 46 back flush spray valve, 47 driving motor, 48 fan shell, 49 air inlet, 50 air outlet, 51 impeller, 52 transmission shaft, 53 closed tile seat, 54 hydrops bucket, 55 drain valve, 56 acid liquid box, 57 acid liquid pump, 58 cleaning valve.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
Example 1
Referring to fig. 1-4, a maintenance-free self-cleaning elastic dust collector system and a using method thereof, comprises an elastic dust collection cover 1, an elastic dust collection pipeline 2, a self-cleaning dust collector 3, an ultrasonic generator 4, an elastic flue gas pipeline 5, a self-cleaning fan 6, a cyclone dehydrator 7, a circulating pump set 8 and a grinder 9, wherein the elastic dust collection cover 1 is connected with the front end of the elastic dust collection pipeline 2 through an elastic connecting piece 10, a plurality of elastic dust collection pipelines 2 are communicated with the inlet of the elastic dust collector 3 through the end-to-end connection of the elastic connecting piece 10 or an elastic tee 11, and a pipeline cleaning spray head 12 and a pipeline cleaning vibrator 13 are arranged in the elastic connecting piece 10 and the elastic tee 11.
When the quick lime slaker 14 is matched with the quick lime slaker in the sintering batching system, the slaker seal cover consists of a slaker seal cover framework 15 and an elastic plate 16 matched with the slaker seal cover framework, a plurality of elastic partition plates 17 with two ends being sealed in a sliding mode and suspended on the upper portion are arranged in the slaker seal cover framework, the elastic partition plates 17 are combined to form a labyrinth dust remover, a slaker seal cover cleaning vibrator 18 is arranged on the upper portion to remove accumulated ash adhered in the labyrinth dust remover, the slaker seal cover seals the upper portion of the quick lime slaker 14 through an elastic seal 19, the slaker seal cover is communicated with the elastic dust collection pipeline 2 through a gate valve, and a smoke hood 20 seals a discharge hole of the quick lime slaker 14 and is communicated with the elastic dust collection pipeline 2.
The rigid framework 21 around the self-cleaning dust remover 3 box body is in a grid structure, each grid is sealed by an elastic plate 22, the elastic plate 22 is provided with an elastic framework 23 integrally connected with the elastic framework, the end part of the elastic framework 23 is fixedly connected with the rigid framework 21, the upper part of the elastic framework is provided with a box vibrator 24, the inside of the box is divided into a high-pressure washing cavity 26, a medium-pressure washing cavity 27 and a demisting cavity 28 by an elastic partition plate 25, the high-pressure washing cavity 26 is communicated with the upper part of the medium-pressure washing cavity 2, the lower part of the high-pressure washing cavity is separated and sealed by the elastic partition plate 25, the upper ends of the medium-pressure washing cavity 27 and the demisting cavity 28 are respectively communicated with the lower part of the elastic partition plate 25, the high-pressure washing cavity 26 and the medium-pressure washing cavity 27 are respectively provided with a high-pressure atomizing nozzle 29 and a medium-pressure atomizing nozzle 30 which are arranged in a multi-layer, the inside of defogging chamber 28 is equipped with dehydration board 31, the upper portion is equipped with back flush shower nozzle 32, the side lower part of high-pressure washing chamber 26 is equipped with the air inlet box 33 that elasticity toper structure and elasticity dust absorption pipeline 2 end are linked together, the side top of defogging chamber 28 is equipped with the suction box 34 of elasticity toper structure, suction box 34 is linked together with self-cleaning fan 6's entry through elasticity suction pipeline 5, the top of box is airtight, the upper portion of high-pressure washing chamber 26, middling washing chamber 27 is equipped with supersonic generator 4, the bottom of box is airtight by sedimentation tank 35, be equipped with level gauge 36 and its complex moisturizing valve 37 on the sedimentation tank 36, well upper portion is linked together with the high-pressure pump 39 entry of circulating pump group 8 through high-pressure pump water intaking valve 38, be equipped with grinder 9 through middling pump intaking valve 40 and middling pump 41 entry, the lower part of grinder 9 is equipped with blow off valve 42.
The outlet pipeline of the high-pressure pump 39 is communicated with the high-pressure atomization spray nozzle 29 in the high-pressure washing cavity 26 through a high-pressure washing valve 43, and is communicated with the elastic connecting piece 10 or the pipeline cleaning spray nozzle 12 in the flexible tee joint 11 through a plurality of pipeline cleaning valves 44.
The outlet pipeline of the medium-pressure pump 41 is communicated with the medium-pressure atomization spray nozzle 30 in the medium-pressure washing cavity 27 through a medium-pressure washing valve 45, and is communicated with the back-flushing spray nozzle 32 in the demisting cavity 28 through a back-flushing spray valve 46.
The driving motor 47 of the self-cleaning fan 6, the air inlet 49 and the air outlet 50 of the fan shell 48 are positioned above the impeller 51, the impeller 51 is horizontally arranged, both ends of the transmission shaft 52 are fixed through the sealed tile seat 53, the bottom of the fan shell 48 is provided with a liquid accumulation bucket 54 and is communicated with the acid liquor box 56 through a liquid discharge valve 55, the acid liquor box 56 is provided with an acid liquor pump 57, the outlet of the acid liquor pump 57 is communicated with the upper part of the fan shell 48 through a cleaning valve 58, after the scaling operation weight of the impeller 51 is increased or dynamic balance is damaged, the liquid discharge valve 55 is closed, the cleaning valve 58 is opened, the acid liquor pump 57 conveys acid liquor in the acid liquor box 56 into the fan shell 48, the impeller 51 is soaked, scaling of the impeller 51 is removed by reacting with the acid liquor and dissolved in the acid liquor in a mud state, the acid liquor is discharged into the acid liquor box 56 by opening the liquid discharge valve 55, and is closed, meanwhile, the cleaning valve 58 is closed, and the cleaning process of the impeller 51 is finished.
The inlet of the cyclone dehydrator 7 is communicated with the air outlet of the self-cleaning fan 6, the bottom is provided with a liquid discharge pipe, and the tail end of the liquid discharge pipe stretches into the liquid in the settling tank to form a seal.
Example 2
In this example, referring to fig. 1-3 and 5, a structural schematic diagram of a maintenance-free self-cleaning elastic dust collector system when a primary mixer, a secondary mixer and environmental dust collection are combined is shown, an elastic dust hood 1 is communicated with a machine head and a machine tail fume hood of the primary mixer and the secondary mixer, and is positioned above an environmental dust raising point, and dust-containing waste gas is sucked into an elastic dust collection pipeline 2, as shown in fig. five.
The elastic dust collection pipeline 2 is communicated with the inlet of the elastic dust collector 3 through the head and tail connection of the elastic connecting piece 10, a pipeline cleaning spray head 12 and a pipeline cleaning vibrator 13 are arranged in the elastic connecting piece 10, high-pressure water mist sprayed by the pipeline cleaning spray head 12 wets dust in waste gas and removes part of dust by primary dust removal under the action of an edge effect in the flowing process of the elastic dust collection pipeline 2, and the pipeline cleaning vibrator 13 regularly operates to remove accumulated dust and caking adhered to the elastic dust collection pipeline 2 and the inner wall of the elastic connecting piece 10.
The box body of the self-cleaning type dust remover 3 is provided with a rigid framework 21 around in a grid structure and is sealed by an elastic plate 22, the elastic plate 22 is provided with an elastic framework 23 which is integrally connected with the elastic framework 21 and is fixedly connected with the rigid framework 21, the upper part of the elastic plate is provided with a box body vibrator, dust and caking adhered to the inner wall of the self-cleaning type dust remover are removed through fixed-period operation, the inside of the box body is divided into a high-pressure washing cavity 26, a medium-pressure washing cavity 27 and a demisting cavity 28 by an elastic partition plate 25, the high-pressure washing cavity 26 is communicated with the upper part of the medium-pressure washing cavity 2, the lower part of the box body is separated and sealed by an elastic partition plate 25, the upper ends of the medium-pressure washing cavity 27 and the demisting cavity 28 are communicated with the sealed lower part by the elastic partition plate 25, the high-pressure washing cavity 26 and the medium-pressure washing cavity 27 are respectively provided with a high-pressure atomizing nozzle 29 and a medium-pressure atomizing nozzle 30 which are arranged in a plurality of layers, the inner part of the demisting cavity 28 is provided with a dewatering plate 31, the upper part is provided with a back flushing nozzle 32, the side lower part of the high-pressure washing cavity 26 is provided with an air inlet 33 communicated with the tail end of the elastic dust absorption pipeline 2, the side upper part of the high-pressure washing cavity 28 is provided with an air suction box 34 with the elastic conical structure, the pumping box 34 is communicated with the upper part of the medium-pressure dust absorption pipeline 2, the high-pressure washing cavity 4 is connected with the ultrasonic wave generator 4, and the high-pressure dust remover is connected with the upper pressure dust remover through the high-absorbing cavity 4, and the high pressure dust remover is connected with the upper pressure dust remover, and the upper part is connected with the high pressure dust collector.
The bottom of the box body is sealed by a settling tank 35, a liquid level meter 36 and a water supplementing valve 37 matched with the liquid level meter are arranged on the settling tank 36 to control the liquid level in the settling tank 35, the middle upper part is communicated with the inlet of a high-pressure pump 39 of a circulating pump group 8 through a high-pressure pump water inlet valve 38, the middle upper part is communicated with the inlet of a middle-pressure pump 41 through a middle-pressure pump water inlet valve 40, the high-pressure pump 39 and the middle-pressure pump 41 operate in a high-pressure washing cavity 26 and a middle-pressure washing cavity 27 respectively to spray water mist and dust in smoke through a high-pressure atomizing nozzle 29 and a middle-pressure atomizing nozzle 30 respectively, the bottom of the box body is provided with a grinder 9 to grind and crush the caking settled at the bottom of the settling tank 35, and the caking is discharged through a drain valve 42 at the lower part.
The outlet pipeline of the high-pressure pump 39 is communicated with the high-pressure atomization spray nozzle 29 in the high-pressure washing cavity 26 through the high-pressure washing valve 43, high-pressure water mist is sprayed in the high-pressure washing cavity 26 for secondary dust removal, and the high-pressure water mist is sprayed in the elastic dust collection pipeline 2 through the pipeline cleaning valves 44 and communicated with the elastic connecting piece 10 or the pipeline cleaning spray nozzle 12 in the elastic tee joint 11 for primary dust removal.
The outlet pipeline of the medium pressure pump 41 is communicated with the medium pressure atomizing nozzle 30 in the medium pressure washing cavity 27 through the medium pressure washing valve 45, medium pressure water mist is sprayed in the medium pressure washing cavity 27 for three times to remove dust, and the outlet pipeline is communicated with the back flush nozzle 32 in the demisting cavity 28 through the back flush spray valve 46 to remove water drops and muddy water accumulated on the dewatering plate 31.
The inlet of the cyclone dehydrator 7 is communicated with the air outlet of the self-cleaning fan 6, and the bottom is provided with a sealed liquid discharge pipe with the tail end extending into the liquid in the settling tank, so that the water generated by the compression effect in the operation process of the fan is removed.
A maintenance-free self-cleaning elastic dust remover system and a use method thereof, in the dust-containing waste gas treatment process, firstly, a high-pressure pump 39 and a medium-pressure pump 41 of a circulating pump group 8 are started, each layer of high-pressure washing valve 43 and each layer of medium-pressure washing valve 45 are regulated, high-pressure atomizing nozzles 29 and 30 in a high-pressure washing cavity 26 and a medium-pressure washing cavity 27 spray high-pressure water mist and fall into a settling tank 35 to circulate, secondly, a self-cleaning fan 6 is started and a pipeline cleaning valve 44 is started simultaneously, a pipeline cleaning nozzle 12 on an elastic connecting piece 10 and an elastic tee joint 11 spray high-pressure water mist, dust-containing waste gas is mixed with the high-pressure water mist in the process of flowing in an elastic dust collection pipeline 2, dust of large particles is removed by adhering to the pipeline wall for one time under the effect of pipeline edge, the dust-containing waste gas is sucked into the dust remover in a muddy water state, and the dust-containing waste gas is upward again through the high-pressure washing cavity 26, the high-pressure water mist sprayed by the high-pressure atomizing spray nozzle 29 is mixed and contacted for secondary dust removal, the large-particle water mist sprayed by the medium-pressure atomizing spray nozzle 30 is mixed and subjected to tertiary dust removal through the descending of the medium-pressure washing cavity 27, meanwhile, the small-particle water mist brought in the secondary dust removal process is removed for mixed adsorption, in the secondary dust removal and tertiary dust removal processes, the ultrasonic generator 4 emits ultrasonic waves, the resonance coupling of the water mist and dust is generated, the dust removal efficiency is improved, the water mist is removed through the ascending of the demisting cavity 28 and the dewatering plate 31, the water is changed into clean flue gas with extremely low dust content and water content, finally, the clean flue gas is discharged into the cyclone dehydrator 7 through the air extracting box 34, the flexible flue gas pipeline 5 and the self-cleaning fan 6, the cyclone dehydrator 7 removes and discharges the water generated by the compression effect in the operation process of the self-cleaning fan 6, the liquid level meter 36 is matched with the water supplementing valve 37 to keep the water level in the sedimentation box 35 constant, the grinder 9 grinds and pulverizes the agglomerates precipitated at the bottom of the precipitation tank 35 and discharges them through a drain valve 42.
The elastic connecting piece 10 and the elastic tee joint 11 are connected to form an elastic dust collection pipeline 2, a pipeline cleaning vibrator 13 is arranged at the upper part of the elastic dust collection pipeline, and accumulated dust and caking attached to the inner wall are removed through fixed-period circulating vibration.
When the elastic dust collection pipeline 2 is matched with the quicklime digester 14 in the sintering material mixing system, the digester seal cover consists of a digester seal cover framework 15 and an elastic plate 16 matched with the digester seal cover framework, a plurality of elastic partition plates 17 with two ends being sealed with the elastic plate 16 in a sliding mode and suspended at the upper part are arranged in the digester seal cover, the upper part is provided with a digester seal cover cleaning vibrator 18, the sealing cover cleaning vibrator 18 intermittently operates at regular intervals to remove lime adhered in the digester seal cover, the upper part of the quicklime digester 14 is sealed by the digester seal cover framework 15 through the elastic seal 19, the digester seal cover framework is communicated with the elastic dust collection pipeline 2 through a gate valve, a fume hood 20 seals a discharge hole of the quicklime digester 14 and is communicated with the elastic dust collection pipeline 2, and when the digester is matched with a secondary mixer of a sintering primary mixer, the elastic dust collection cover 1 is communicated with a tail fume hood of the mixer, and the application and an environment dust collection chamber are positioned above dust raising points.
The rigid framework of the self-cleaning dust remover 3 box body is in a grid structure and is sealed by an elastic plate 22, the upper part of the rigid framework is provided with an elastic framework 23 which is integrally connected with the rigid framework, the box vibrator 2 on the elastic framework 23 circularly vibrates in a fixed period to remove deposited dust and caking which are deposited on the inner wall of the box body,
The driving motor 47 of the self-cleaning fan 6, the air inlet 49 and the air outlet 50 of the fan shell 48 are positioned above the impeller 51, the impeller 51 is horizontally arranged, both ends of the transmission shaft 52 are fixed through the sealed tile seat 53, the bottom of the fan shell 48 is provided with a liquid accumulation bucket 54 and is communicated with the acid liquor box 56 through a liquid discharge valve 55, the acid liquor box 56 is provided with an acid liquor pump 57, the outlet of the acid liquor pump 57 is communicated with the upper part of the fan shell 48 through a cleaning valve 58, after the scaling operation weight of the impeller 51 is increased or dynamic balance is damaged, the liquid discharge valve 55 is closed, the cleaning valve 58 is opened, the acid liquor pump 57 conveys acid liquor in the acid liquor box 56 into the fan shell 48, the impeller 51 is soaked, scaling of the impeller 51 is removed by reacting with the acid liquor and dissolved in the acid liquor in a mud state, the acid liquor is discharged into the acid liquor box 56 by opening the liquid discharge valve 55, and is closed, meanwhile, the cleaning valve 58 is closed, and the cleaning process of the impeller 51 is finished.
The method comprises the following specific steps:
① Firstly, the high-pressure pump 39 and the medium-pressure pump 41 of the circulating pump group 8 are started, the opening quantity of the high-pressure washing valves 43 and the medium-pressure washing valves 45 of each layer of the high-pressure washing cavity 26 and the medium-pressure washing cavity 27 is regulated, the washing water quantity and the atomization effect are regulated to be matched with the process requirement,
② Secondly, starting the self-cleaning fan 6 and simultaneously starting the pipeline cleaning valve 44, spraying high-pressure water mist by the elastic connecting piece 10 and the pipeline cleaning spray head 12 on the elastic tee joint 11, mixing dust-containing waste gas with the high-pressure water mist in the flowing process of the elastic dust collection pipeline 2, removing large-particle dust by adhering to the pipeline wall under the effect of the pipeline edge effect for one-time dust removal, sucking the dust remover with the dust-containing waste gas in a muddy water state, periodically running the pipeline cleaning vibrator 13 on the elastic connecting piece 10 and the elastic tee joint 11 to remove accumulated dust and caking accumulated in the elastic dust collection pipeline 2,
③ The waste gas containing dust again goes upward through the high-pressure washing cavity 26 and simultaneously starts the ultrasonic generator 4 to be mixed and contacted with the high-pressure water mist sprayed by the high-pressure atomizing nozzle 29 for secondary dust removal, goes downward through the medium-pressure washing cavity 27 and is mixed with the large-particle water mist sprayed by the medium-pressure atomizing nozzle 30 for tertiary dust removal, and simultaneously removes the mixed adsorption of the small-particle water mist brought in the secondary dust removal process, in the secondary dust removal and tertiary dust removal processes, the ultrasonic generator 4 emits ultrasonic waves, the resonance coupling reaction of the water mist and the dust is generated to improve the dust removal efficiency, the box vibrator 24 operates at fixed period to remove the caking accumulated on the inner wall of the self-cleaning dust remover 3,
④ The water mist goes upward through the demisting cavity 28 to contact with the dewatering plate 31 to remove water, so as to become clean flue gas with dust content and extremely low water content, the back flush spray valve 46 periodically opens the back flush spray head 32 to arrange granular water drops and drop by the dewatering plate 31, the muddy water attached to the dewatering plate 31 is washed clean,
⑤ Finally, the elastic flue gas pipeline 5 and the self-cleaning fan 6 are discharged into the cyclone dehydrator 7 through the air extracting box 34, the cyclone dehydrator 7 removes the moisture generated by the compression effect in the operation process of the self-cleaning fan 6 and discharges,
⑥ The liquid level meter 36 is matched with the water supplementing valve 37 to keep the water level in the sedimentation tank 35 constant, the grinder 9 grinds and pulverizes the caking precipitated at the bottom of the sedimentation tank 35 and discharges the caking to the quicklime digester 14 and the primary and secondary mixers through the blow-down valve 42,
⑦ When the dynamic balance of dust accumulation or adhered caking falling off of the impeller 51 of the self-cleaning fan 6 is destroyed, the operation is stopped, the liquid discharge valve 55 is closed, the cleaning valve 58 is opened, the acid liquid pump 57 conveys the acid liquid in the acid liquid tank 56 into the fan shell 48, the impeller 51 is soaked, scaling of the impeller 51 is removed by reaction with the acid liquid and dissolved in the acid liquid in a mud state, the liquid discharge valve 55 is opened to discharge the acid liquid into the acid liquid tank 56 and is closed, meanwhile, the cleaning valve 58 is closed, and the impeller 51 is put into use again after the cleaning process is finished.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (9)
1. The utility model provides a maintenance-free self-cleaning dust remover system, includes elasticity dust hood (1), elasticity dust absorption pipeline (2), self-cleaning dust remover (3), supersonic generator (4), elasticity flue gas pipeline (5), self-cleaning fan (6), cyclone dehydrator (7), circulation pump group (8) and grinder (9), its characterized in that: the elastic dust hood (1) and the fume hood (20) are connected with the front end of the elastic dust collection pipeline (2) through elastic connecting pieces (10), the elastic dust collection pipelines (2) are connected with the inlet of the elastic self-cleaning dust collector (3) through the elastic connecting pieces (10) or the elastic tee joint (11) in an end-to-end mode, the top of the box body of the self-cleaning dust collector (3) is sealed, the bottom of the box body is sealed by the settling tank (35), the periphery of the rigid framework (21) is in a grid-shaped structure, each grid is sealed by an elastic plate (22), the elastic plate (22) is provided with the elastic framework (23) integrally connected with the elastic framework (23), the end portion of the elastic framework (23) is fixedly connected with the rigid framework (21), the box body vibrator (24) is arranged on the upper portion of the elastic framework, the inside of the box body of the self-cleaning dust collector (3) is divided into a high-pressure washing cavity (26), a medium-pressure washing cavity (27) and a demisting cavity (28), the high-pressure washing cavity (26) is communicated with the upper portion of the medium-pressure washing cavity (2), the top is respectively provided with a generator (4), the lower portion is stretched into the liquid and the elastic partition plate (25) is communicated with the upper portion of the sealed cavity (25) by the medium-pressure washing cavity (25), and the high-pressure partition plate (25) is communicated with the high-pressure washing cavity (28) The inside of middling pressure washing chamber (27) is equipped with high pressure atomizer (29) and middling pressure atomizer (30) that the multilayer was arranged respectively, and the inside of defogging chamber (28) is equipped with dehydration board (31), and upper portion is equipped with backwash shower nozzle (32), and the side lower part of high pressure washing chamber (26) is equipped with elasticity toper structure and flexible dust absorption pipeline (2) end intercommunication's inlet box (33), and the side top of defogging chamber (28) is equipped with elasticity toper structure's exhaust tank (34), and exhaust tank (34) are through elasticity exhaust pipeline (5) and self-cleaning fan (6) entry intercommunication, and self-cleaning fan (6) export waste gas is discharged through cyclone dehydrator (7).
2. A maintenance-free self-cleaning dust collector system according to claim 1 wherein: the sedimentation tank (35) is provided with a liquid level meter (36) and a water supplementing valve (37) matched with the liquid level meter, the middle upper part of the sedimentation tank is communicated with the inlet of a high-pressure pump (39) of a circulating pump set (8) through a high-pressure pump water inlet valve (38), the sedimentation tank is communicated with the inlet of a middle pressure pump (41) through a middle-pressure pump water inlet valve (40), and the bottom of the sedimentation tank is provided with a grinder (9) for grinding and crushing sedimented caking and discharging the sediment caking through a drain valve (42).
3. A maintenance-free self-cleaning dust collector system according to claim 2 wherein: the outlet pipeline of the high-pressure pump (39) is correspondingly communicated with the multi-layer high-pressure atomization spray nozzle (29) in the high-pressure washing cavity (26) through a plurality of high-pressure washing valves (43), and is communicated with the elastic connecting piece (10) or the pipeline cleaning spray nozzle (12) in the elastic tee joint (11) through a plurality of pipeline cleaning valves (44).
4. A maintenance-free self-cleaning dust collector system according to claim 2 wherein: the outlet pipeline of the medium pressure pump (41) is correspondingly communicated with the multi-layer medium pressure atomization spray nozzle (30) in the medium pressure washing cavity (27) through a plurality of medium pressure washing valves (45), and the outlet pipeline of the medium pressure pump (41) is communicated with the back flush spray nozzle (32) in the demisting cavity (28) through a back flush spray valve (46).
5. A maintenance-free self-cleaning dust collector system according to claim 1 wherein: self-cleaning fan (6) are including driving motor (47), fan casing (48), impeller (51) and transmission shaft (52), driving motor (47) of self-cleaning fan (6), air intake (49) and air outlet (50) of fan casing (48) are in impeller (51) top, impeller (51) are the level and arrange, both ends of transmission shaft (52) are all fixed through closed tile seat (53), the bottom of fan casing (48) is equipped with one hydrops fill (54) and communicates with acidizing fluid case (56) through flowing back valve (55), be equipped with acidizing fluid pump (57) on acidizing fluid case (56), the export of acidizing fluid pump (57) communicates with the top of fan casing (48) through clean valve (58).
6. A maintenance-free self-cleaning dust collector system according to claim 1 wherein: the elastic connecting piece (10) and the elastic tee joint (11) are internally provided with a pipeline cleaning spray head (12) and a pipeline cleaning vibrator (13).
7. A maintenance-free self-cleaning dust collector system according to claim 1 wherein: the air outlet of the self-cleaning fan (6) is communicated with the inlet of the cyclone dehydrator (7), water generated by the operation and compression of the self-cleaning fan (6) is removed, and a liquid discharge pipe is arranged at the bottom and is communicated with the sedimentation tank (35).
8. A maintenance-free self-cleaning dust collector system according to claim 1 wherein: the novel quick lime dust collection device is characterized in that the elastic dust collection pipeline (2) is connected with a digester sealing cover and a fume hood (20), the digester sealing cover seals the upper portion of the quick lime digester (14) through a flexible elastic seal (19), the digester sealing cover consists of a digester sealing cover framework (15) and an elastic plate (16) matched with the digester sealing cover framework, a plurality of elastic partition plates (17) with two ends being sealed with the elastic plate (16) in a sliding mode and suspended on the upper portion are arranged in the digester sealing cover, the upper portion is provided with a digester sealing cover cleaning vibrator (18) to remove accumulated ash in the labyrinth dust collector, the tail end of the digester sealing cover is communicated with the elastic dust collection pipeline (2) through a gate valve, and the fume hood (20) seals a discharge hole of the quick lime digester (14) and is communicated with the elastic dust collection pipeline (2).
9. A maintenance-free self-cleaning scrubber system as defined in claim 8, wherein: the application method of the self-cleaning dust remover system comprises the following steps:
s1: firstly, a high-pressure pump and a medium-pressure pump of a circulating pump group are started, the opening quantity of high-pressure washing valves at each layer of a high-pressure washing cavity and medium-pressure washing valves at each layer of a medium-pressure washing cavity are regulated, the washing water quantity and atomization effect are regulated to be matched with the process requirement,
S2: secondly, starting a self-cleaning fan and simultaneously starting a pipeline cleaning valve, spraying high-pressure water mist by an elastic connecting piece and a pipeline cleaning spray head on an elastic tee joint, mixing dust-containing waste gas with the high-pressure water mist in the flowing process of the elastic dust collection pipeline, removing large-particle dust attached to the pipeline wall under the effect of the pipeline edge effect for one-time dust removal, sucking the dust-containing waste gas into a dust remover in a muddy water state, periodically running the elastic connecting piece and a pipeline cleaning vibrator on the elastic tee joint to remove accumulated dust and caking accumulated in the elastic dust collection pipeline,
S3: the waste gas containing dust again goes upward through the high-pressure washing cavity and simultaneously starts the ultrasonic generator to be mixed and contacted with the high-pressure water mist sprayed by the high-pressure atomization spray nozzle for secondary dust removal, the large-particle water mist sprayed by the medium-pressure atomization spray nozzle goes downward through the medium-pressure washing cavity to be mixed and removed for tertiary dust removal, and simultaneously the small-particle water mist brought in the secondary dust removal process is removed for mixed adsorption, in the secondary dust removal and tertiary dust removal processes, the ultrasonic generator emits ultrasonic waves, the water mist and the dust generate resonance coupling reaction to improve the dust removal efficiency, the box vibrator periodically runs to remove the caking accumulated on the inner wall of the self-cleaning dust remover,
S4: the water mist is contacted with the dewatering plate to remove water again through the ascending of the demisting cavity to become clean flue gas with dust content and extremely low water content, the back flush spray valve periodically opens the back flush spray head to arrange granular water drops and drops with the dewatering plate, the muddy water attached to the dewatering plate is washed cleanly,
S5: finally, the water generated by the compression effect in the running process of the self-cleaning fan is removed and discharged by the cyclone dehydrator 7 through the exhaust box, the elastic flue gas pipeline and the self-cleaning fan,
S6: the liquid level meter is matched with the water supplementing valve to keep the water level in the settling tank constant, the grinder grinds and pulverizes the caking settled at the bottom of the settling tank and discharges the caking through the blow-down valve for the quicklime slaker and the primary and secondary mixers,
S7: stopping running when the dynamic balance of dust accumulation or adhered caking falling off of the impeller of the self-cleaning fan is broken, closing the liquid discharge valve, opening the cleaning valve, conveying the acid liquid in the acid liquid tank into the fan shell by the acid liquid pump, soaking the impeller, removing scaling of the impeller by reaction with the acid liquid, dissolving the scaling in the acid liquid in mud, opening the liquid discharge valve to discharge the acid liquid into the acid liquid tank, closing the cleaning valve, and closing the cleaning valve, so that the impeller cleaning process is finished and put into use again.
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| CN119138241A (en) * | 2024-11-21 | 2024-12-17 | 潍坊科技学院 | Atomization device convenient for comprehensive self-cleaning and method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN119138241A (en) * | 2024-11-21 | 2024-12-17 | 潍坊科技学院 | Atomization device convenient for comprehensive self-cleaning and method thereof |
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