CN110302582B - Circulating water self-purification structure and process of washing tower - Google Patents

Circulating water self-purification structure and process of washing tower Download PDF

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Publication number
CN110302582B
CN110302582B CN201810842967.2A CN201810842967A CN110302582B CN 110302582 B CN110302582 B CN 110302582B CN 201810842967 A CN201810842967 A CN 201810842967A CN 110302582 B CN110302582 B CN 110302582B
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CN
China
Prior art keywords
washing
water
filtering
washing layer
layer
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Application number
CN201810842967.2A
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Chinese (zh)
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CN110302582A (en
Inventor
雷忠
唐宗贵
王福寿
方海燕
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Anhui Jinsanlong Renewable Resources Co ltd
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Anhui Jinsanlong Renewable Resources Co ltd
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Priority to CN201810842967.2A priority Critical patent/CN110302582B/en
Publication of CN110302582A publication Critical patent/CN110302582A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/01Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with flat filtering elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/50Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/66Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/96Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Other filtering devices; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/12Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/02Combinations of filters of different kinds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions

Abstract

The invention discloses a circulating water self-purification structure of a washing tower, which comprises the washing tower and a filtering device, wherein an air inlet inclined pipe is arranged on one side of the washing tower, an air outlet is arranged at the top of the washing tower, a purified water bin is arranged in the washing tower, a washing bin is arranged at the top of the purified water bin, water pumping pipes are arranged in the washing bin and the purified water bin, a first water pump is arranged on each water pumping pipe, a water outlet plate is arranged between the washing bin and the purified water bin, a water outlet inclined pipe is arranged on one side of the water outlet plate, a first washing layer, a second washing layer and a third washing layer are arranged in the washing bin, flow dividing pipes are arranged at the bottoms of the first washing layer, the second washing layer and the third washing layer, and spray nozzles are arranged at the bottoms of the flow dividing pipes. According to the invention, the filtering mechanism is externally arranged, and the first filtering group and the second filtering group can be detached and cleaned separately or used alternately, so that the filtering mechanism can be cleaned without stopping the washing tower, and the filtering work is not influenced.

Description

Circulating water self-purification structure and process of washing tower
Technical Field
The invention relates to the field of circulating water self-purification structures and processes of washing towers, in particular to a circulating water self-purification structure and process of a washing tower.
Background
As is well known, impurity and soluble material that the scrubbing tower contains in with waste gas through the spraying of water are got rid of in the during operation, and the water that has impurity is taken out to filter equipment in through the water pump and is filtered the back, and recycle supplies water for the shower, but after filter equipment used a period, filtration efficiency descends, need clear up it, need stop the scrubbing tower this moment, is wasing filter equipment, influences exhaust-gas treatment efficiency and waste time and energy.
Therefore, it is necessary to develop a self-cleaning structure and process for circulating water in a scrubber tower to solve the above problems.
Disclosure of Invention
The invention aims to provide a circulating water self-purification structure and a process of a washing tower, which can realize that the filtering mechanism can be cleaned without stopping the washing tower and the filtering work of the filtering mechanism is not influenced by externally arranging the filtering mechanism and detachably cleaning or alternatively using a first filtering group and a second filtering group, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a circulating water self-purification structure of a washing tower comprises the washing tower and a filtering device, wherein an air inlet inclined pipe is arranged on one side of the washing tower, an air outlet is formed in the top of the washing tower, a purified water bin is arranged in the washing tower, a washing bin is arranged at the top of the purified water bin, water pumping pipes are arranged in the washing bin and the purified water bin, a first water pump is arranged on each water pumping pipe, a water outlet plate is arranged between the washing bin and the purified water bin, a water outlet inclined pipe is arranged on one side of the water outlet plate, a first washing layer, a second washing layer and a third washing layer are arranged in the washing bin, flow dividing pipes are arranged at the bottoms of the first washing layer, the second washing layer and the third washing layer, spray nozzles are arranged at the bottoms of the flow dividing pipes, a first filtering group and a second filtering group are arranged in the filtering device, one side of the filtering device is fixedly connected with the purified water bin through a water inlet pipe, a second water pump is arranged on the inlet pipe, the utility model discloses a washing machine, including drinking-water pipe, washing tower, drinking-water pipe, first washing layer, second washing layer, third washing layer, bracing piece, drinking-water pipe top and bottom all are equipped with the dead lever, dead lever and scrubbing tower inner wall fixed connection, the sealed setting in drinking-water pipe top, the drinking-water pipe runs through out water board, first washing layer, second washing layer and third washing layer setting, first water pump sets up inside the clean water storehouse, it sets up to the pot lid form to go out the water board, it sets up to the slope form to go out the water pipe, the scrubbing tower is linked together with filter equipment through going out the water pipe chute, the second washing layer sets up in first washing layer top, the third washing layer sets up in second washing layer top, first washing layer, second washing layer and third washing layer top all are equipped with the bracing piece, bracing piece and drinking-water pipe fixed connection, first washing layer and third washing layer cross section set up to circular and longitudinal section sets up to the fusiformis, first washing layer and third washing layer all include first filler and first screen sleeve, the first filler is arranged inside the first net cover, the outer sides of the first washing layer and the third washing layer and the inner wall of the washing tower are provided with annular inlets, the first washing layer and the third washing layer are fixedly connected with the washing tower through a support, the second washing layer comprises a second filler, a second net plate and a connecting plate, the second filler is arranged inside the second net plate, the connecting plate is fixedly arranged outside the second net plate, the cross sections of the second washing layer and the second net plate are both circular, the longitudinal sections of the second washing layer and the second net plate are both concave-wheel-shaped, a plurality of filter holes are arranged in the first filler and the second filler, the cross sections of the filter holes are both circular, the longitudinal sections of the filter holes are both concave-wheel-shaped, the spray heads corresponding to the bottoms of the first washing layer and the third washing layer are obliquely arranged to the outer side, the spray heads corresponding to the bottom of the second washing layer are obliquely arranged to the inner side, and the first filter group and the second filter group both comprise a filter net group and a filter membrane group, the filter membrane group sets up in filter screen group bottom, the filter screen group all is equipped with the frame with the filter membrane group outside, the frame both sides are equipped with the flange, the filter equipment inner wall that the flange corresponds is equipped with the guide rail, frame one side is equipped with the sideboard, the sideboard inboard is equipped with the sealing strip and the outside is equipped with the handle, first filter group and second filter group all set up to the slope form and about filter equipment central Y axis symmetry, first filter group and second filter group cross arrangement.
The invention also provides a circulating water self-purification process of the washing tower, which comprises the following specific steps:
the method comprises the following steps: the waste gas enters the washing bin through the air inlet inclined pipe and flows upwards, at the moment, the first water pump works, purified water in the purified water bin is pumped out through the water pumping pipe and is sprayed out through the spray head at the bottom of the flow dividing pipe;
step two: in the ascending process, the waste gas sequentially passes through the first washing layer, the second washing layer and the third washing layer and is contacted with water sprayed by a spray head at the bottom of the first washing layer, particles and water-soluble substances contained in the waste gas are carried away by the water and flow down, and the waste gas is filtered by the first filler and the second filler in the upward flowing process;
step three: the water with impurities, which is generated after the bottom of the third washing layer is sprayed, flows onto the concave-wheel-shaped second washing layer, the second filler is washed and then flows onto the shuttle-shaped first washing layer, one part of water cleans the first filler, the other part of water is discharged to the bottom of the inner cavity of the washing bin through the annular inlet, the used water at the bottom of the first washing layer is also discharged to the bottom of the inner cavity of the washing bin, and the second washing layer is concave-wheel-shaped and the first washing layer is shuttle-shaped, so that the impurities cannot be deposited when the water flows down, and the impurities can be taken away together, and self-purification is realized;
step four: when water flows into the water outlet plate at the bottom of the inner cavity of the washing bin, due to the design of the pot cover shape, the water directly flows into the filtering device through the inclined water outlet inclined tube and takes away impurities, so that no precipitation occurs, and the self-purification of the washing tower is realized;
step five: the inside water of inflow filter equipment flows down from the top and filters through first filter bank and second filter bank, second water pump work, water after will filtering is through the inside use that is sprayed in order to supply of inlet tube suction clean water storehouse, after filter equipment uses a period, need clear up its inside first filter bank and second filter bank, reinforcing filtration efficiency, this moment do not need the scrubbing tower stop work, can take out the first filter bank of one side through the pulling handle earlier and clear up, the second filter bank filters the sewage that gets into this moment, then put into filter equipment with the first filter bank after the clearance in, again take out the clearance with the second filter bank, realize clearing up first filter bank and second filter bank under the condition that does not stop scrubbing tower work, realize filter equipment's self-purification.
The invention has the technical effects and advantages that:
1. the second washing layer is arranged into a concave wheel shape, the third washing layer is arranged into a shuttle shape and an annular inlet, the spray heads corresponding to the bottoms of the first washing layer and the third washing layer are arranged in an outward inclined manner, and the spray heads corresponding to the bottom of the second washing layer are arranged in an inward inclined manner, so that on one hand, waste gas can be fully contacted with water, the first filler and the second filler, the purification effect is better, and on the other hand, the first filler and the second filler can be sprayed reversely by the inclined spray heads;
2. the second washing layer is in a concave wheel shape, and the third washing layer is in a shuttle shape, so that impurities cannot be deposited when water flows down, the impurities can be taken away together to be left, self-purification is realized, and in addition, due to the design of the water outlet plate pot cover shape, water directly flows into the filtering device through the inclined water outlet inclined pipe and is taken away together with the impurities, no precipitation is generated, and the self-purification of the washing tower is realized;
3. the flow area of the entering waste gas is reduced and then increased through the arrangement of the concave wheel-shaped filter holes, the filter effect is better, and the problem that the waste gas purification efficiency is reduced because the gas phase and the liquid phase are unevenly distributed in the filter holes due to wall flow of water can be avoided when the waste gas is backwashed by water, the cleaning effect of the first filler and the second filler is good and the self-cleaning is realized because the flow direction of the water is changed;
4. the filtering mechanism is externally arranged, and the first filtering group and the second filtering group can be detached and cleaned or used alternately, so that the filtering mechanism can be cleaned without stopping the work of the washing tower, and the filtering work of the filtering mechanism is not influenced;
5. first filter group and second filter group pass through the flange and filter equipment inner wall's guide rail activity joint, conveniently pull out filter screen group and filter membrane group and put into, and it is convenient to change the clearance.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a front view of the filter device of the present invention.
Fig. 3 is a top view of the filter assembly of the present invention.
Fig. 4 is a schematic diagram of the structure of the filtering hole of the present invention.
FIG. 5 is a schematic view of a second scrubbing layer of the present invention.
FIG. 6 is a schematic view of a first scrubbing layer structure according to the present invention.
In the figure: 1 washing tower, 2 filtering devices, 3 air inlet inclined pipes, 4 air outlets, 5 clean water bins, 6 washing bins, 7 water pumping pipes, 8 first water pumps, 9 water outlet plates, 10 water outlet inclined pipes, 11 first washing layers, 12 second washing layers, 13 third washing layers, 14 shunt pipes, 15 spray heads, 16 first filtering groups, 17 second filtering groups, 18 water inlet pipes, 19 second water pumps, 20 fixing rods, 21 supporting rods, 22 first fillers, 23 first net sleeves, 24 annular inlets, 25 second fillers, 26 second net plates, 27 connecting plates, 28 filtering net groups, 29 filtering film groups, 30 frames, 31 convex plates, 32 guide rails, 33 side plates, 34 handles and 35 filtering holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
according to the circulating water self-purification structure of the washing tower shown in the figures 1-2, which comprises a washing tower 1 and a filtering device 2, an air inlet inclined pipe 3 is arranged on one side of the washing tower 1, an air outlet 4 is arranged on the top of the washing tower 1, a purified water bin 5 is arranged inside the washing tower 1, a washing bin 6 is arranged on the top of the purified water bin 5, water pumping pipes 7 are arranged inside the washing bin 6 and the purified water bin 5, a first water pump 8 is arranged on each water pumping pipe 7, fixing rods 20 are arranged at the top end and the bottom end of each water pumping pipe 7, the fixing rods 20 are fixedly connected with the inner wall of the washing tower 1, the top end of each water pumping pipe 7 is hermetically arranged, each water pumping pipe 7 penetrates through a water plate 9, a first washing layer 11, a second washing layer 12 and a third washing layer 13, the first water pump 8 is arranged inside the purified water bin 5, and a water outlet plate 9 is arranged between the washing bin 6 and the purified water bin 5, the washing tower comprises a washing tower 1, a filtering device 2, a washing bin 6, a water outlet inclined pipe 10, a water outlet pipe 14, a water outlet pipe 13, a water outlet pipe 12, a water outlet pipe 13, a water distribution pipe 14 and a water distribution pipe 14, wherein the water outlet inclined pipe 10 is arranged on one side of the water outlet plate 9, the water outlet plate 9 is arranged in a pot cover shape, impurities cannot be deposited when water flows down, the impurities can be taken away together, the impurities are kept, self-purification is achieved, the water outlet inclined pipe 10 is arranged in an inclined shape, water can automatically flow into the filtering device 2, the washing tower 1 is communicated with the filtering device 2 through the water outlet inclined pipe 10, a first washing layer 11, a second washing layer 12 and a third washing layer 13 are arranged in the washing bin 6, the second washing layer 12 is arranged on the top of the first washing layer 11, the third washing layer 13 is arranged on the top of the second washing layer 12, the top of the first washing layer 11, the second washing layer 12 and the bottom of the third washing layer 13 are respectively provided with support rods 21, the water pumping pipe 7, the bottom of the first washing layer 11, the second washing layer 12 and the bottom of the third washing layer 13 are respectively provided with the diversion pipe 14, the bottom of the shunt pipe 14 is provided with a spray head 15, a first filtering group 16 and a second filtering group 17 are arranged in the filtering device 2, one side of the filtering device 2 is fixedly connected with the purified water bin 5 through a water inlet pipe 18, and a second water pump 19 is arranged on the water inlet pipe 18.
According to the circulating water self-cleaning structure of the washing tower shown in fig. 1, 4, 5 and 6, the cross section of the first washing layer 11 and the cross section of the third washing layer 13 are circular and the longitudinal section is shuttle-shaped, the first washing layer 11 and the third washing layer 13 both comprise first stuffing 22 and a first net cover 23, the first stuffing 22 is arranged inside the first net cover 23, the outer sides of the first washing layer 11 and the third washing layer 13 and the inner wall of the washing tower 1 are provided with annular inlets 24, the first washing layer 11 and the third washing layer 13 are fixedly connected with the washing tower 1 through a bracket, the second washing layer 12 comprises second stuffing 25, a second net plate 26 and a connecting plate 27, the second stuffing 25 is arranged inside the second net plate 26, the connecting plate 27 is fixedly arranged outside the second net plate 26, the cross section of the second washing layer 12 and the second net plate 26 are both circular and the longitudinal section is concave-wheel-shaped, the first filler 22 and the second filler 25 are internally provided with a plurality of filter holes 35, the cross sections of the filter holes 35 are circular, the longitudinal sections of the filter holes 35 are concave-wheel-shaped, the spray heads 15 corresponding to the bottoms of the first washing layer 11 and the third washing layer 13 are obliquely arranged towards the outside, the spray heads 15 corresponding to the bottom of the second washing layer 12 are obliquely arranged towards the inside, and because of the arrangement of the annular inlet 24, waste gas is diffused in a concave-wheel shape in the whole purified water bin 5, on one hand, the waste gas can be fully contacted with water, the first filler 22 and the second filler 25, the purification effect is better, on the other hand, the obliquely arranged spray heads 15 can reversely spray the first filler 22 and the second filler 25, and because of the arrangement of the concave-wheel-shaped filter holes 35, the cleaning effect of the first filler 22 and the second filler 25 is good, the self-cleaning is realized, because the second washing layer 12 is concave-wheel-shaped, and the third washing layer 13 is shuttle-shaped, therefore, when water flows down, impurities cannot be deposited and are taken away together to be left, and self-purification is realized.
According to the circulating water self-purification structure of the washing tower shown in fig. 2-3, the first filtering group 16 and the second filtering group 17 both comprise a filtering net group 28 and a filtering membrane group 29, the filtering membrane group 29 is arranged at the bottom of the filtering net group 28, the outer sides of the filtering net group 28 and the filtering membrane group 29 are both provided with a frame 30, the two sides of the frame 30 are provided with convex plates 31, the inner wall of the filtering device 2 corresponding to the convex plates 31 is provided with a guide rail 32, one side of the frame 30 is provided with a side plate 33, the inner side of the side plate 33 is provided with a sealing strip and the outer side is provided with a handle 34, the filtering net group 28 and the filtering membrane group 29 are conveniently pulled out and put in, the replacement and the cleaning are convenient, the first filtering group 16 and the second filtering group 17 are both arranged in an inclined shape and are symmetrical about the central Y axis of the filtering device 2, the first filtering group 16 and the second filtering group 17 are arranged in a crossed manner, when the first filtering group 16 and the second filtering group 17 are simultaneously used, the filter effect is better to make water pass through two filter screen groups 28 earlier and pass through two filter membrane groups 29, filter effect is good, in addition when changing or clearance first filter bank 16 and second filter bank 17, can take out filter screen group 28 and filter membrane group 29 on first filter bank 16 or the second filter bank 17 simultaneously on one side, convenient operation.
Example 2:
the invention also provides a circulating water self-purification process of the washing tower, which comprises the following specific steps:
the method comprises the following steps: waste gas enters the washing bin 6 through the air inlet inclined pipe 3 and flows upwards, at the moment, the first water pump 8 works, purified water in the purified water bin 5 is pumped out through the water pumping pipe 7 and is sprayed out through the spray nozzle 15 at the bottom of the flow dividing pipe 14;
step two: in the rising process, the waste gas sequentially passes through the first washing layer 11, the second washing layer 12 and the third washing layer 13 and is contacted with water sprayed by a spray head 15 at the bottom of the waste gas, particles and water-soluble substances contained in the waste gas are taken away by the water and flow down, and the waste gas is filtered by a first filler 22 and a second filler 25 in the upward flowing process, because of the arrangement of the annular inlet 24, the waste gas is dispersed in a concave wheel shape in the whole purified water bin 5, on one hand, the waste gas can be fully contacted with the water, the first filler 22 and the second filler 25, the purification effect is better, on the other hand, the inclined spray head 15 can reversely spray the first filler 22 and the second filler 25, and because of the arrangement of the concave wheel-shaped filter holes 35, the first filler 22 and the second filler 25 are good in cleaning effect, and self-cleaning is realized;
step three: the water with impurities, which is generated after the spraying at the bottom of the third washing layer 13, flows onto the concave-wheel-shaped second washing layer 12, the second filler 25 is washed and then flows onto the shuttle-shaped first washing layer 11, one part of the water cleans the first filler 22, the other part of the water is discharged to the bottom of the inner cavity of the washing bin 6 through the annular inlet 24, the used water at the bottom of the first washing layer 11 is also discharged to the bottom of the inner cavity of the washing bin 6, and because the concave-wheel-shaped second washing layer 12 and the shuttle-shaped first washing layer 11 are arranged, the impurities cannot be deposited when the water flows down, and the impurities are taken away together to be left, so that self-purification is realized;
step four: when water flows into the water outlet plate 9 at the bottom of the inner cavity of the washing bin 6, due to the design of the pot cover shape, the water directly flows into the filtering device 2 through the inclined water outlet inclined pipe 10, and takes away impurities, so that no precipitation occurs, and the self-purification of the washing tower 1 is realized;
step five: the water that flows into the inside of filter equipment 2 flows down from the top and filters through first filter bank 16 and second filter bank 17, second water pump 19 works, the water after will filtering is through inlet tube 18 suction water purification storehouse 5 inside in order to spray the use, after filter equipment 2 used a period, need to clear up its inside first filter bank 16 and second filter bank 17, reinforcing filtration efficiency, this moment do not need scrubbing tower 1 stop work, can take out the first filter bank 16 of one side through pulling handle 34 earlier and clear up, second filter bank 17 filters the sewage that gets into this moment, then put into filter equipment 2 with the first filter bank 16 after clearing up, take out the clearance with second filter bank 17 again, realize under the condition that does not stop scrubbing tower 1 work with first filter bank 16 and second filter bank 17 clearance, realize filter equipment 2's self-cleaning.
Example 3:
different from the embodiment 2, the first filtering set 16 may be disposed inside the filtering apparatus 2, and the second filtering set 17 is ready for use, and when cleaning, the second filtering set 17 may be first placed inside the filtering apparatus 2, and then the first filtering set 16 may be taken out, so that the first filtering set 16 and the second filtering set 17 are used alternately.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (2)

1. The utility model provides a circulating water self-purification structure of scrubbing tower, includes scrubbing tower (1) and filter equipment (2), its characterized in that: the washing tower is characterized in that an air inlet inclined pipe (3) is arranged on one side of the washing tower (1), an air outlet (4) is arranged on the top of the washing tower (1), a purified water bin (5) is arranged inside the washing tower (1), a washing bin (6) is arranged on the top of the purified water bin (5), a water pumping pipe (7) is arranged inside the washing bin (6) and the purified water bin (5), a first water pump (8) is arranged on the water pumping pipe (7), a water outlet plate (9) is arranged between the washing bin (6) and the purified water bin (5), a water outlet inclined pipe (10) is arranged on one side of the water outlet plate (9), a first washing layer (11), a second washing layer (12) and a third washing layer (13) are arranged inside the washing bin (6), flow dividing pipes (14) are arranged at the bottoms of the first washing layer (11), the second washing layer (12) and the third washing layer (13), and spray nozzles (15) are arranged at the bottom of the flow dividing pipes (14), a first filtering group (16) and a second filtering group (17) are arranged in the filtering device (2), one side of the filtering device (2) is fixedly connected with the purified water bin (5) through a water inlet pipe (18), and a second water pump (19) is arranged on the water inlet pipe (18);
the water pumping pipe (7) is provided with fixing rods (20) at the top end and the bottom end, the fixing rods (20) are fixedly connected with the inner wall of the washing tower (1), the top end of the water pumping pipe (7) is arranged in a sealing mode, the water pumping pipe (7) penetrates through the water plate (9), the first washing layer (11), the second washing layer (12) and the third washing layer (13) in a penetrating mode, and the first water pump (8) is arranged inside the water purifying bin (5);
the water outlet plate (9) is arranged in a pot cover shape, the water outlet inclined pipe (10) is arranged in an inclined shape, and the washing tower (1) is communicated with the filtering device (2) through the water outlet inclined pipe (10);
the second washing layer (12) is arranged at the top of the first washing layer (11), the third washing layer (13) is arranged at the top of the second washing layer (12), supporting rods (21) are arranged at the tops of the first washing layer (11), the second washing layer (12) and the third washing layer (13), and the supporting rods (21) are fixedly connected with the water pumping pipe (7);
the cross sections of the first washing layer (11) and the third washing layer (13) are circular, the longitudinal sections of the first washing layer (11) and the third washing layer (13) are fusiform, the first washing layer (11) and the third washing layer (13) respectively comprise first fillers (22) and first net sleeves (23), the first fillers (22) are arranged inside the first net sleeves (23), annular inlets (24) are formed in the outer sides of the first washing layer (11) and the third washing layer (13) and the inner wall of the washing tower (1), and the first washing layer (11) and the third washing layer (13) are fixedly connected with the washing tower (1) through supports;
the second washing layer (12) comprises a second filler (25), a second screen plate (26) and a connecting plate (27), the second filler (25) is arranged inside the second screen plate (26), the connecting plate (27) is fixedly arranged on the outer side of the second screen plate (26), the cross sections of the second washing layer (12) and the second screen plate (26) are both circular, the longitudinal sections of the second washing layer and the second screen plate are both concave-wheel-shaped, a plurality of filter holes (35) are arranged in the first filler (22) and the second filler (25), and the cross sections of the filter holes (35) are circular and the longitudinal sections of the filter holes are concave-wheel-shaped;
the spray heads (15) corresponding to the bottoms of the first washing layer (11) and the third washing layer (13) are arranged in an outward inclined mode, and the spray heads (15) corresponding to the bottom of the second washing layer (12) are arranged in an inward inclined mode;
the first filtering group (16) and the second filtering group (17) both comprise a filtering net group (28) and a filtering membrane group (29), the filtering membrane group (29) is arranged at the bottom of the filtering net group (28), the outer sides of the filtering net group (28) and the filtering membrane group (29) are both provided with a frame (30), the two sides of the frame (30) are provided with convex plates (31), the inner wall of the filtering device (2) corresponding to the convex plates (31) is provided with a guide rail (32), one side of the frame (30) is provided with a side plate (33), the inner side of the side plate (33) is provided with a sealing strip, and the outer side of the side plate is provided with a handle (34);
the first filtering group (16) and the second filtering group (17) are arranged in an inclined shape and are symmetrical about a central Y axis of the filtering device (2), and the first filtering group (16) and the second filtering group (17) are arranged in a crossed mode.
2. A self-cleaning process for a circulating water self-cleaning structure of a washing tower of claim 1, characterized in that: the method comprises the following specific steps:
the method comprises the following steps: waste gas enters the washing bin (6) through the air inlet inclined pipe (3) and flows upwards, at the moment, the first water pump (8) works, purified water in the purified water bin (5) is pumped out through the water pumping pipe (7) and is sprayed out through the spray head (15) at the bottom of the flow dividing pipe (14);
step two: in the ascending process, the waste gas sequentially passes through the first washing layer (11), the second washing layer (12) and the third washing layer (13) and is contacted with water sprayed out by a spray head (15) at the bottom of the washing layer, particles and water-soluble substances contained in the waste gas are taken away by the water and flow down, and the waste gas is filtered by the first filler (22) and the second filler (25) in the upward flowing process, because the annular inlet (24) is arranged, the waste gas is dispersed in a concave wheel shape in the whole water purifying bin (5), on one hand, the waste gas can be fully contacted with the water, the first filler (22) and the second filler (25), the purifying effect is better, on the other hand, the obliquely arranged spray head (15) can reversely spray the first filler (22) and the second filler (25), and because the concave wheel-shaped filtering hole (35) is arranged, the first filler (22) and the second filler (25) are good in cleaning effect, realizing self-purification;
step three: the water with impurities, which is generated after the bottom of the third washing layer (13) is sprayed, flows onto the concave-wheel-shaped second washing layer (12), the second filler (25) is washed and then flows onto the shuttle-shaped first washing layer (11), one part of water cleans the first filler (22), the other part of water is discharged to the bottom of the inner cavity of the washing bin (6) through the annular inlet (24), the used water at the bottom of the first washing layer (11) is also discharged to the bottom of the inner cavity of the washing bin (6), and the first washing layer (11) is arranged to be in a shuttle shape because the second washing layer (12) is arranged to be in a concave-wheel shape, so that the impurities cannot be deposited when the water flows down, the impurities are taken away together and left, and self-cleaning is realized;
step four: when water flows into the water outlet plate (9) at the bottom of the inner cavity of the washing bin (6), due to the design of the pot cover shape, the water directly flows into the filtering device (2) through the inclined water outlet inclined pipe (10) and takes away impurities, so that no precipitation occurs, and the self-purification of the washing tower (1) is realized;
step five: the water flowing into the filtering device (2) flows downwards from the top and is filtered by the first filtering group (16) and the second filtering group (17), the second water pump (19) works, the filtered water is pumped into the water purifying bin (5) through the water inlet pipe (18) for spraying, after the filtering device (2) is used for a period of time, the first filtering group (16) and the second filtering group (17) in the filtering device need to be cleaned, the filtering efficiency is enhanced, the washing tower (1) does not need to stop working at the moment, the first filtering group (16) on one side can be pumped out for cleaning by pulling the handle (34), the second filtering group (17) filters the entering sewage, the cleaned first filtering group (16) is placed into the filtering device (2), the second filtering group (17) is pumped out for cleaning, and the first filtering group (16) and the second filtering group (17) are cleaned under the condition that the washing tower (1) does not stop working, the self-purification of the filter device (2) is realized.
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