CN106994277B - Wet dust removal equipment and dust removal method for removing inflammable dust and precipitate - Google Patents
Wet dust removal equipment and dust removal method for removing inflammable dust and precipitate Download PDFInfo
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- CN106994277B CN106994277B CN201710330532.5A CN201710330532A CN106994277B CN 106994277 B CN106994277 B CN 106994277B CN 201710330532 A CN201710330532 A CN 201710330532A CN 106994277 B CN106994277 B CN 106994277B
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- 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
- B01D47/08—Spray cleaning with rotary nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/04—Regenerating the washing fluid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/10—Means for removing the washing fluid dispersed in the gas or vapours
- B01D2247/107—Means for removing the washing fluid dispersed in the gas or vapours using an unstructured demister, e.g. a wire mesh demister
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Abstract
The invention discloses wet type dust removing equipment for removing inflammable dust and sediments, which comprises a placing and fixing support, a control electric box, a first spraying box, a second spraying box, a three-stage sewage filtering tank, two anti-explosion centrifugal fans, an anti-explosion high-pressure water pump, an inner wall cleaning device and a sediment collecting and operating device, wherein a recycling waterway is also arranged in the dust removing equipment. The invention also discloses a dust removal method of the wet dust removal equipment for removing inflammable dust and sediments. The dust collection device provided by the invention has the advantages that the dust is captured by the spraying system, so that the dust is prevented from being accumulated in the collection pipeline and generating dust cloud, the three-stage sewage filtering tank and the recycling waterway are used for recycling water resources, the water resources are saved, the inner wall cleaning device and the sediment collection and operation device are arranged for automatically cleaning the spraying box, the waterway blockage caused by the accumulation of dust sediments is prevented, the labor intensity and cost of manual cleaning are reduced, the control system is perfected, and the equipment operation steps are simplified.
Description
Technical Field
The invention relates to the technical field of industrial dust removal equipment, in particular to wet dust removal equipment and a dust removal method for removing inflammable dust and sediments.
Background
With the common industrial dust generally adopting a dry type filtering dust removal mode, the dry type dust removal mode is safe, reliable and effective to the dust with common properties and can not cause secondary pollution; however, as for inflammable dust generated in a polishing process of a golf club head or other alloys containing inflammable metals, if a dry type filtering dust removal mode is utilized, the risk of explosion is easy to occur, certain unpredictable loss is caused, and dust pollution can cause harm to the health of personnel, so that wet type dust removal equipment is provided, the current wet type dust removal equipment is single in dust removal mode, and the dust removal effect is not comprehensive enough. A large amount of dust sediments are accumulated in the spraying box after long-time working, the dust removal effect is influenced, the situation of pipeline blockage is caused, equipment damage is possibly caused, the common bag type dust removal effect is not good, the problems of high labor intensity, poor labor condition and the like exist in manual cleaning, and the maintenance cost is high; consume a large amount of water resources after removing dust, often not handle the entering circulation, cause the dust removal effect unsatisfactory, influence the life of equipment, most dust collecting equipment has easy operation, needs personnel to monitor the operation at the scene, increases daily work load.
Disclosure of Invention
The invention provides a wet dust removal device for removing inflammable dust and sediments, aiming at the technical defects at present.
The invention also provides a dust removal method for removing inflammable dust and precipitates.
The technical scheme adopted by the invention for realizing the purpose is as follows:
a wet dust-removing equipment for removing inflammable dust and deposit is composed of a fixed supporter, a control electric box, the first and the second spraying boxes, a three-stage sewage filter pool, two anti-explosion centrifugal fans, and an anti-explosion high-pressure water pump, the first spray box is arranged at the upper left of the placing and fixing bracket, the second spray box is arranged at the upper right of the placing and fixing bracket, the three-stage sewage filtering tank is arranged below the fixed frame, the two anti-explosion centrifugal fans are arranged between the first spraying box and the second spraying box, the explosion-proof high-pressure water pump is arranged at the right lower part of the three-stage sewage filtering tank, the dust removing equipment is integrally provided with a recycling waterway, the first spraying tank, the second spraying tank and the third-stage sewage filtering tank are mutually connected through a recycling waterway, a plurality of branch pipelines of the circulating water channel are provided with control valves, and the three-stage sewage filtration is connected with an explosion-proof high-pressure water pump;
the first spraying box and the second spraying box are both provided with rotary spraying components, the rotary spraying component of the first spraying box is provided with an air inlet, the second spraying box is provided with a multilayer spraying layer and a demisting filter, an air outlet is arranged above the spraying filter, the three-level sewage filtering tank is provided with multiple filtering layers, and the multiple filtering layers are arranged in a stepped mode.
The rotation type spray assembly includes a plurality of shower nozzles, rotatory nozzle, roating seat, movable block and activity water pipe, roating seat one end is connected with rotatory nozzle, and the other end is connected with the lateral conduit, the movable block sets up on the roating seat, the activity water pipe is connected with the movable block, a plurality of shower nozzles set up on the activity water pipe, one section distance of interval between a plurality of shower nozzles, activity water pipe tail end is equipped with rotatory nozzle, rotatory nozzle is equipped with a plurality of water pipes, the water pipe tail end is certain angle bending.
First spraying box is equipped with inner wall cleaning device and precipitate collection device, inner wall cleaning device includes two and takes gear motor, two and takes tooth type ejector pad, fixed block and frame, two take the gear motor symmetry to set up in first spraying box top, two take tooth type ejector pad to pass through the fixed block and fix in the gear department of taking gear motor, the frame is equipped with the clean strip of scraping all around, clean strip of scraping and the inside contact of first spraying box, precipitate collection device sets up in first spraying box bottom portion.
The sediment collecting device comprises a motor, a steel wire rope, a rack rod, a rolling spring assembly and a scraper, wherein the motor is arranged at the left lower part of the first spraying box, the rolling spring assembly is arranged at the right lower part of the first spraying box, the rack rod is arranged in the first spraying box, the scraper is arranged on the rack rod, and the motor and the rolling spring assembly are connected with the scraper through the steel wire rope.
The first bottom of the case portion that sprays is equipped with the through-hole, the through-hole has the funnel, the funnel is equipped with control flap, conveyer sets up in the first case below that sprays, conveyer includes motor, conveyer belt and a plurality of collection box, a plurality of collection box settings are on the conveyer belt, it sets up in the funnel below to collect the box.
The funnel top and below are equipped with test probe, test probe is connected with the control electronic box, control system and explosion-proof high pressure water pump in the control electronic box, control valve on the circulating water route are connected.
The dust removal method of the wet dust removal equipment for removing combustible dust and sediments comprises the following steps:
step one, capturing primary sedimentation of dust
The explosion-proof centrifugal machine enables gas with dust to enter the first spraying box from the air inlet, the spray head on the movable water pipe sprays water mist, the rotary spray head drives the movable water pipe to rotate at a constant speed, all-directional water mist is formed in the first spraying box, dust and water drops of the water mist are fused to form dust water drops, and the dust water drops with large volume are descended to the bottom of the box body under the action of self gravity and inertia;
step two, secondary dust capture and sedimentation
Pumping the water mist generated in the first spraying tank to a second spraying tank through an explosion-proof centrifugal machine, wherein the second spraying tank is provided with three spraying layers, the spraying layers are provided with rotary nozzles, the volume of water drops in the water mist sprayed out of each spraying layer is different, and the water drops with dust are collided and combined with the water mist sprayed out of the spraying layers so as to increase the self weight of the water drops with dust, settle under the action of the self weight and are guided to a sewage filter along with water flow;
step three, dust settling and water resource circulation
Through the dust capture of the first spraying box and the second spraying box, water drops with dust are settled under the action of gravity inertia, flow into the three-stage sewage filtering tank through a pipeline, and are filtered and settled through multiple filtering layers, so that the treated water is recycled through a recycling waterway;
step four, water-gas separation
The treated gas is pumped to the top of the second spraying box, the water mist is separated through the defogging filter, the moisture is remained in the second spraying box or on the water mist filter, and the gas is discharged from the exhaust port.
Step five, cleaning the interior of the spraying box and transporting sediments
Scrape the wall clean to the inside four sides of box through inner wall cleaning device regularly automatically, clean after and the precipitate piles up the certain degree, clear away accumulational precipitate through precipitate collection device and conveyer, prevent that the box is inside to pile up too many water routes of appearing and block up and influence purifying effect because of the dust.
The invention has the beneficial effects that: the invention is a dust removal device integrating dust removal, water resource recycling, sediment cleaning and automatic transportation, and the rotary spray component enables the sprayed water mist to fill the whole spray box, so that the problem of poor dust removal effect in a single spray mode is solved, and the water mist and dust are better contacted and fused; the inner wall cleaning device and the sediment collecting device are used for automatically cleaning the interior of the spraying box under the condition of not influencing the dust removal work, so that the condition that the water channel is blocked due to the accumulation of internal dust to influence the use of equipment is prevented, the personal safety is ensured, the difficulty and the strength of manual cleaning are reduced, and the maintenance cost is reduced; the transportation device realizes the periodic cleaning and transportation of sediments, and reduces the steps of manual transportation; the three-stage filtering water tank is used for precipitating and separating used water, and water resources are recycled through a recycling waterway, so that the cost is saved and the environment is protected; and the improvement control system reduces the field monitoring operation steps and the daily workload.
The invention is further described with reference to the following detailed description and accompanying drawings.
Drawings
FIG. 1 is a schematic view of the overall structure of a wet dedusting apparatus for removing combustible dust and deposits in this embodiment;
FIG. 2 is a schematic view of the inner wall cleaning device, the sediment collecting device, and the transporting device of this embodiment;
fig. 3 is a schematic structural view of the rotary spray assembly of the present embodiment.
In the figure: 1. the wet dust removal equipment comprises a wet dust removal equipment whole body for removing inflammable dust and sediments, 2, a placing fixed support, 3, a control electric box, 4, a first spray box, 5, a second spray box, 6, a three-stage sewage filtering tank, 7, an explosion-proof centrifugal fan, 8, an explosion-proof high-pressure water pump, 9, a recycling water path, 10, a rotary spray assembly, 11, an inner wall cleaning device, 12, a sediment collecting device, 13, a conveying device, 40, an air inlet, 41, a funnel, 50, a spray layer, 51, a demisting filter, 52, an air outlet, 60, a filter layer, 100, a spray head, 101, a rotary spray head, 102, a rotary seat, 103, a movable block, 104, a movable water pipe, 105, a water pipe, 110, a toothed wheel motor, 111, a toothed push block, 112, a fixed block, 113, a frame, 114, a cleaning scraping strip, 120, a motor, 121, a steel wire rope, 122, a frame rod, 123 and a coil spring assembly, 124. scraper, 130, motor, 131, conveyer belt, 132, collecting box.
Detailed Description
The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.
Referring to the attached drawings 1-3, in the first embodiment, a wet dust removal device 1 for removing combustible dust and sediments includes a placing and fixing support 2, a control electric box 3, a first spraying box 4, a second spraying box 5, a third-stage sewage filtering tank 6, two anti-explosion centrifugal fans 7 and an anti-explosion high-pressure water pump 8, wherein the first spraying box 4 is arranged above the left side of the placing and fixing support 2, the second spraying box 5 is arranged above the right side of the placing and fixing support 2, the third-stage sewage filtering tank 6 is arranged below the placing and fixing support 2, the two anti-explosion centrifugal fans 7 are arranged between the first spraying box 4 and the second spraying box 5, and the two anti-explosion centrifugal fans 7 can provide power for the device when one device fails, so that the device can be used; the anti-explosion high-pressure water pump 8 is arranged at the right lower part of the three-stage sewage filtering tank 6, the dust removing equipment whole 1 is provided with a recycling water path 9, the first spraying tank 4, the second spraying tank 5 and the three-stage sewage filtering tank 6 are mutually connected through the recycling water path 9, a plurality of branch pipelines of the recycling water path 9 are provided with control valves, the three-stage sewage filtering tank 6 is connected with the anti-explosion high-pressure water pump 8, and the anti-explosion high-pressure water pump 8 provides transportation power for the recycling water path 9;
Rotation type spray assembly 10 includes a plurality of shower nozzles 100, rotatory nozzle 101, roating seat 102, movable block 103 and activity water pipe 104, roating seat 102 one end is connected with rotatory nozzle 101, and the other end is connected with branch pipeline, movable block 103 sets up on roating seat 102, activity water pipe 104 is connected with movable block 103, a plurality of shower nozzles 100 set up on activity water pipe 104, one section distance of interval between a plurality of shower nozzles 100, activity water pipe 104 tail end is equipped with rotatory nozzle 101, rotatory nozzle 101 is equipped with a plurality of water pipes 105, water pipe 150 tail end is certain angle bending, and its effect makes rotatory nozzle 100 drive movable pipe 104 at the uniform velocity under the drive of water thrust and rotates, makes the distribution that shower nozzle 100 spun water smoke more all with spray the incasement.
The sediment collecting device 12 comprises a motor 120, a steel wire rope 121, a frame rod 122, a rolling spring assembly 123 and a scraper 124, wherein the motor 120 is arranged at the left lower part of the first spraying box 4, the rolling spring assembly 123 is arranged at the right lower part of the first spraying box 4, the frame rod 122 is arranged in the first spraying box 4, the scraper 124 is arranged on the frame rod 122, the motor 120 and the rolling spring assembly 123 are connected with the scraper 124 through the steel wire rope 121, the frame rod 122 is used for supporting the scraper 124, and the rolling spring assembly 123 is used for resetting the scraper 124.
First 4 bottoms of spraying case are equipped with the through-hole, the through-hole has funnel 41, funnel 41 is equipped with control flap, conveyer 13 sets up in first 4 belows that spray case, conveyer 13 includes motor 130, conveyer belt 131 and a plurality of collection box 132, a plurality of collection box 132 settings are on conveyer belt 131, it sets up in funnel 41 below to collect box 132.
Funnel 41 top and below are equipped with test probe, test probe is connected with control electronic box 3, control system and explosion-proof high pressure water pump 8 in the control electronic box 3, cyclic utilization water route 9 go up the control valve and be connected, control system is used for each monitor and control valve's control, realizes intelligent work.
The embodiment also provides a dust removal method for removing combustible dust and sediments, which comprises the following steps:
step one, capturing primary sedimentation of dust
The gas with dust enters the first spraying box from the gas inlet by the explosion-proof centrifugal machine, the spray head on the movable water pipe sprays water mist, the rotating spray head drives the movable water pipe to rotate at a constant speed, so that water mist formed in the first spraying box is dispersed in a cylindrical structure, the first spraying box is filled with the water mist, dust and water drops of the water mist are fused to form dust water drops, and the dust water drops with larger volume are descended to the bottom of the box body under the action of self gravity and inertia;
step two, secondary dust capture and sedimentation
Pumping the water mist generated in the first spraying tank to a second spraying tank through an explosion-proof centrifugal machine, wherein the second spraying tank is provided with three spraying layers, the spraying layers are provided with rotary nozzles, the volume of water drops in the water mist sprayed out of each spraying layer is sequentially increased from top to bottom, the water drops with dust and the water mist sprayed out of the spraying layers are combined in a collision way, the volume of the water drops on the uppermost layer is minimum, the water drops with dust are used for increasing the dead weight of the water drops with dust with lighter weight, and the water drops are settled under the action of the dead weight and are led to a sewage filter tank along with water flow;
step three, dust settling and water resource circulation
Through the dust capture of the first spraying box and the second spraying box, water drops with dust are settled under the action of gravity inertia, flow into the three-stage sewage filtering tank through a pipeline, and are filtered and settled through multiple filtering layers, so that the treated water is recycled through a recycling waterway;
step four, water-gas separation
The treated gas is pumped to the top of the second spraying box, the water mist is separated through the defogging filter, the moisture is remained in the second spraying box or on the water mist filter, and the gas is discharged from the exhaust port.
Step five, cleaning the interior of the spraying box and transporting sediments
Scrape the wall clean to the inside four sides of box through inner wall cleaning device regularly automatically, clean after and the precipitate piles up the certain degree, clear away accumulational precipitate through precipitate collection device and conveyer, prevent that the box is inside to pile up too many water routes of appearing and block up and influence purifying effect because of the dust.
Referring to the attached drawings 1-3, in the second embodiment, the wet dust removal device for removing combustible dust and sediments, which is a whole 1, comprises a placing and fixing support 2, a control electric box 3, a first spraying box 4, a second spraying box 5, a third-level sewage filtering tank 6, two anti-explosion centrifugal fans 7 and an anti-explosion high-pressure water pump 8, wherein the first spraying box 4 is arranged above the left side of the placing and fixing support 2, the second spraying box 5 is arranged above the right side of the placing and fixing support 2, the third-level sewage filtering tank 6 is arranged below the placing and fixing support 2, the two anti-explosion centrifugal fans 7 are arranged between the first spraying box 4 and the second spraying box 5, and the two anti-explosion centrifugal fans 7 can provide power for the device when one device fails, so that the device can be used; the anti-explosion high-pressure water pump 8 is arranged at the right lower part of the three-stage sewage filtering tank 6, the dust removing equipment whole 1 is provided with a recycling water path 9, the first spraying tank 4, the second spraying tank 5 and the three-stage sewage filtering tank 6 are mutually connected through the recycling water path 9, a plurality of branch pipelines of the recycling water path 9 are provided with control valves, the three-stage sewage filtering tank 6 is connected with the anti-explosion high-pressure water pump 8, and the anti-explosion high-pressure water pump 8 provides transportation power for the recycling water path 9;
Rotation type spray assembly 10 includes a plurality of shower nozzles 100, rotatory nozzle 101, roating seat 102, movable block 103 and activity water pipe 104, roating seat 102 one end is connected with rotatory nozzle 101, and the other end is connected with branch pipeline, movable block 103 sets up on roating seat 102, activity water pipe 104 is connected with movable block 103, a plurality of shower nozzles 100 set up on activity water pipe 104, one section distance of interval between a plurality of shower nozzles 100, activity water pipe 104 tail end is equipped with rotatory nozzle 101, rotatory nozzle 101 is equipped with a plurality of water pipes 105, water pipe 150 tail end is certain angle bending, and its effect makes rotatory nozzle 100 drive movable pipe 104 at the uniform velocity under the drive of water thrust and rotates, makes the distribution that shower nozzle 100 spun water smoke more all with spray the incasement.
The sediment collecting device 12 comprises a motor 120, a steel wire rope 121, a frame rod 122, a rolling spring assembly 123 and a scraper 124, wherein the motor 120 is arranged at the left lower part of the first spraying box 4, the rolling spring assembly 123 is arranged at the right lower part of the first spraying box 4, the frame rod 122 is arranged in the first spraying box 4, the scraper 124 is arranged on the frame rod 122, the motor 120 and the rolling spring assembly 123 are connected with the scraper 124 through the steel wire rope 121, the frame rod 122 is used for supporting the scraper 124, and the rolling spring assembly 123 is used for resetting the scraper 124.
First 4 bottoms of spraying case are equipped with the through-hole, the through-hole has funnel 41, funnel 41 is equipped with control flap, conveyer 13 sets up in first 4 below of spraying case, conveyer 13 includes motor 130, conveyer belt 131 and a plurality of collection box 132, a plurality of collection box 132 sets up on conveyer belt 131, collection box 132 sets up in funnel 41 below.
41 tops of funnel and below are equipped with test probe, test probe is connected with control electronic box 3, control system and explosion-proof high pressure water pump 8 in the control electronic box 3, cyclic utilization water route 9 go up the control valve and be connected, control system is used for each monitor and control valve's control, realizes intelligent work.
The embodiment also provides a dust removal method for removing combustible dust and sediments, which comprises the following steps:
step one, capturing primary sedimentation of dust
The gas with dust enters the first spraying box from the gas inlet by the explosion-proof centrifugal machine, the spray head on the movable water pipe sprays water mist, the rotating spray head drives the movable water pipe to rotate at a constant speed, so that water mist formed in the first spraying box is dispersed in a cylindrical structure, the first spraying box is filled with the water mist, dust and water drops of the water mist are fused to form dust water drops, and the dust water drops with larger volume are descended to the bottom of the box body under the action of self gravity and inertia;
step two, secondary dust capture and sedimentation
The water mist generated in the first spraying box is pumped to a second spraying box through an explosion-proof centrifugal machine, the second spraying box is provided with three spraying layers, the spraying layers are provided with rotating spray nozzles, the volume of water drops in the water mist sprayed out of each spraying layer is sequentially reduced from top to bottom, the water drops with dust and the water mist sprayed out of the spraying layers are combined in a collision manner, the water drops on the uppermost layer have the largest volume and are used for increasing the dead weight of the water drops with dust, which have heavier mass and stronger viscosity, and the water drops are settled under the action of the dead weight and are led to a sewage filter along with water flow;
step three, dust settling and water resource circulation
Through the dust capture of the first spraying box and the second spraying box, water drops with dust are settled under the action of gravity inertia, flow into the three-stage sewage filtering tank through a pipeline, and are filtered and settled through multiple filtering layers, so that the treated water is recycled through a recycling waterway;
step four, water-gas separation
The treated gas is pumped to the top of the second spraying box, the water mist is separated through the defogging filter, the moisture is remained in the second spraying box or on the water mist filter, and the gas is discharged from the exhaust port.
Step five, cleaning the interior of the spraying box and transporting sediments
Scrape the wall clean to the inside four sides of box through inner wall cleaning device regularly automatically, clean after and the precipitate piles up the certain degree, clear away accumulational precipitate through precipitate collection device and conveyer, prevent that the box is inside to pile up too many water routes of appearing and block up and influence purifying effect because of the dust.
The working principle is that the gas with dust enters a first spraying box from a gas inlet, a rotary nozzle in the first spraying box works to form water mist, part of dust water drops with larger self weight are precipitated under the action of self weight, and the wastewater is transported to a third-stage sewage filtering tank through a pipeline to be subjected to sewage treatment; the dust-carrying water mist is conveyed to a second spraying box under the driving of an explosion-proof centrifugal fan, a spraying layer of the second spraying box carries out secondary treatment on dust water drops with different sizes, the dust water drops subjected to secondary treatment are precipitated and conveyed to a third-level sewage filtering tank through a pipeline for sewage filtering, then water mist isolation and separation are carried out through a defogging filter, and the gas subjected to dust removal treatment is discharged from an exhaust port; water after the deposit of tertiary sewage filtering ponds carries each branch reuse through cyclic utilization water route, when the deposit of first spraying incasement piles up the certain limit, and inner wall cleaning device scrapes the wall cleanness regularly automatically to the inside four sides of box, and the rethread deposit collection device transports the deposit away through the funnel to conveyer's collection box.
The present invention is not limited to the above embodiments, and other wet dust removing apparatuses and methods for removing combustible dust and deposits, which are obtained by using the same or similar structures or devices as those of the above embodiments of the present invention, are within the scope of the present invention.
Claims (3)
1. The utility model provides a wet dedusting equipment that inflammable dust and deposit were clear away which characterized in that: the dust removing equipment is integrally provided with a placing and fixing bracket, a control electric box, a first spraying box, a second spraying box, a three-stage sewage filtering tank, two anti-explosion centrifugal fans and an anti-explosion high-pressure water pump, the first spray box is arranged at the upper left of the placing and fixing bracket, the second spray box is arranged at the upper right of the placing and fixing bracket, the three-stage sewage filtering tank is arranged below the fixed frame, the two anti-explosion centrifugal fans are arranged between the first spraying box and the second spraying box, the explosion-proof high-pressure water pump is arranged at the right lower part of the three-stage sewage filtering tank, the dust removing equipment is integrally provided with a recycling waterway, the first spraying box, the second spraying box and the third-stage sewage filtering tank are mutually connected through a recycling waterway, a plurality of branch pipelines of the recycling water channel are provided with control valves, and the three-stage sewage filtration is connected with an explosion-proof high-pressure water pump;
the first spraying box and the second spraying box are both provided with rotary spraying components, an air inlet is arranged below the rotary spraying components of the first spraying box, the second spraying box is provided with a plurality of spraying layers and a demisting filter, an air outlet is arranged above the demisting filter, the three-stage sewage filtering tank is provided with a plurality of filtering layers, and the plurality of filtering layers are arranged in a step-type manner;
the first spraying box is provided with an inner wall cleaning device and a precipitate collecting device, the inner wall cleaning device comprises two gear motors, two toothed pushing blocks, a fixed block and a frame, the two gear motors are symmetrically arranged above the first spraying box, the two toothed pushing blocks are fixed at the gear of the gear motors through the fixed block, cleaning scraping strips are arranged on the periphery of the frame and are in contact with the inside of the first spraying box, and the precipitate collecting device is arranged at the bottom of the first spraying box;
the sediment collecting device comprises a motor, a steel wire rope, a rack rod, a coil spring assembly and a scraper, wherein the motor is arranged at the lower left of the first spraying box, the coil spring assembly is arranged at the lower right of the first spraying box, the rack rod is arranged in the first spraying box, the scraper is arranged on the rack rod, and the motor and the coil spring assembly are connected with the scraper through the steel wire rope;
the conveying device comprises a motor, a conveying belt and a plurality of collecting boxes, the plurality of collecting boxes are arranged on the conveying belt, and the collecting boxes are arranged below the funnel;
the rotation type spray assembly includes a plurality of shower nozzles, rotatory nozzle, roating seat, movable block and activity water pipe, roating seat one end is connected with rotatory nozzle, and the other end is connected with the lateral conduit, the movable block sets up on the roating seat, the activity water pipe is connected with the movable block, a plurality of shower nozzles set up on the activity water pipe, one section distance of interval between a plurality of shower nozzles, activity water pipe tail end is equipped with rotatory nozzle, rotatory nozzle is equipped with a plurality of water pipes, the water pipe tail end is certain angle bending.
2. A wet scrubber apparatus for combustible dust and deposits removal as set forth in claim 1, wherein: funnel top and below are equipped with test probe, test probe is connected with the control electronic box, control system and explosion-proof high pressure water pump, cyclic utilization water control valve are connected on the water route in the control electronic box.
3. A dust removing method of a wet dust removing apparatus for performing inflammable dust and deposit removal according to claim 1 or 2, comprising the steps of:
step one, capturing primary sedimentation of dust
The explosion-proof centrifugal machine enables gas with dust to enter the first spraying box from the air inlet, the spray head on the movable water pipe sprays water mist, the rotary spray head drives the movable water pipe to rotate at a constant speed, all-directional water mist is formed in the first spraying box, dust and water drops of the water mist are fused to form dust water drops, and the dust water drops with large volume are descended to the bottom of the box body under the action of self gravity and inertia;
step two, secondary dust capture and sedimentation
Pumping the water mist generated in the first spraying tank to a second spraying tank through an explosion-proof centrifugal machine, wherein the second spraying tank is provided with three spraying layers, the spraying layers are provided with rotary nozzles, the volume of water drops in the water mist sprayed out of each spraying layer is different, and the water drops with dust are collided and combined with the water mist sprayed out of the spraying layers so as to increase the self weight of the water drops with dust, settle under the action of the self weight and are guided to a sewage filter along with water flow;
step three, dust settling and water resource circulation
Through the dust capture of the first spraying box and the second spraying box, water drops with dust are settled under the action of gravity inertia, flow into the three-stage sewage filtering tank through a pipeline, and are filtered and settled through multiple filtering layers, so that the treated water is recycled through a recycling waterway;
step four, water-gas separation
Pumping the treated gas to the top of the second spraying box, separating water mist through a defogging filter, leaving water in the second spraying box or on the water mist filter, and discharging the gas from an exhaust port;
step five, cleaning the interior of the spraying box and transporting sediments
Scrape the wall clean to the inside four sides of box through inner wall cleaning device regularly automatically, clean after and the precipitate piles up the certain degree, clear away accumulational precipitate through precipitate collection device and conveyer, prevent that the box is inside to pile up too many water routes of appearing and block up and influence purifying effect because of the dust.
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CN107441855A (en) * | 2017-09-21 | 2017-12-08 | 重庆市彭水县东征五金经营部 | Water spray air purifier |
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