CN110449009A - A kind of spray column of exhaust-gas treatment - Google Patents

A kind of spray column of exhaust-gas treatment Download PDF

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Publication number
CN110449009A
CN110449009A CN201910839804.3A CN201910839804A CN110449009A CN 110449009 A CN110449009 A CN 110449009A CN 201910839804 A CN201910839804 A CN 201910839804A CN 110449009 A CN110449009 A CN 110449009A
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CN
China
Prior art keywords
exhaust
water outlet
spray column
gas treatment
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910839804.3A
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Chinese (zh)
Inventor
龚红光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Yuanhong Environmental Protection Technology Co Ltd
Original Assignee
Hunan Yuanhong Environmental Protection Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Hunan Yuanhong Environmental Protection Technology Co Ltd filed Critical Hunan Yuanhong Environmental Protection Technology Co Ltd
Priority to CN201910839804.3A priority Critical patent/CN110449009A/en
Publication of CN110449009A publication Critical patent/CN110449009A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/24Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by centrifugal force
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/38Removing components of undefined structure
    • B01D53/40Acidic components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75Multi-step processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/79Injecting reactants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/96Regeneration, reactivation or recycling of reactants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10Inorganic adsorbents
    • B01D2253/102Carbon

Abstract

The invention discloses a kind of spray column of exhaust-gas treatment, including shell, water pump and hydrops slot are additionally provided with outside shell;The spray column of exhaust-gas treatment further includes water pipe, water pipe includes water inlet end, the first water outlet and the second water outlet, water inlet end protrudes into hydrops slot, first water outlet is located at the top of the first filled layer, second water outlet is located at the top of the second filled layer, at least one in the first water outlet and the second water outlet is provided with the spiral vane being connected to water pipe, spiral vane inner hollow, spiral vane extends downwardly, and spiral vane surface is provided with multiple apopores.By the way that multiple water outlets are arranged on spiral vane, it can ensure that water is uniformly sprayed to all directions, exhaust gas is reacted by spiral vane and with the alkalies on spiral vane simultaneously, for middle exhaust gas is mainly reacted with the alkalies on filled layer compared with the prior art, the spray column can increase the response area of exhaust gas and alkalies, keep waste gas absorption more abundant.

Description

A kind of spray column of exhaust-gas treatment
Technical field
The present invention relates to technical field of environment protection equipment, more specifically, it relates to a kind of spray column of exhaust-gas treatment.
Background technique
Spray column is the commonly used equipment in gas liquid reaction system.Spray column for desulfurization project generallys use countercurrent spray Tower, absorbent use lime stone slurry.Lime stone slurry is delivered to the spray that different height is arranged in spray column by circulating pump The atomizer of pipe, lime stone slurry spray downwards the droplet for forming dispersion, coal-fired flue-gas in spray column by atomizer Adverse current flows up, and in the washing process of coal-fired flue-gas, gas-liquid is come into full contact with, sulfur dioxide and limestone slurry in coal-fired flue-gas Liquid reaction generates calcium sulfite, and calcium sulfite is oxidized by oxygen generation calcium sulfate in oxidation reaction slot.
Countercurrent spray tower is realized by the atomization of lime stone slurry absorbs the high efficiency of sulfur dioxide.It is good in order to guarantee Atomizing effect, lime stone slurry is sprayed to form uniformly small drop, circulating pump and allow for providing enough pressure, lead Cause the energy consumption of circulating pump larger.And the size of limestone particle cannot be too big in lime stone slurry, and otherwise atomizer is easy It is blocked.The raising of limestone particle grinding precision makes lime stone slurry increased costs, eventually leads to the adverse current spray of desulfurization project The operating cost for drenching tower is higher.
Spray column is mainly sprayed on filled layer using alkaline solution, in the processing of exhaust gas when exhaust gas is through parlkaline Neutralization occurs after solution, removes the acid ingredient in removing exhaust gas.Water pipe is horizontally disposed in spray tower shell in the prior art, Multiple spray heads are successively set on water pipe.Since spray head is that center is wanted to sprinkle water around, it be easy to cause watering uneven.And Water flow is sprayed from spray head, and the haptoreaction of exhaust gas and alkaline solution is concentrated mainly in filled layer, it is possible to be occurred reacting and not filled Point, the case where poisonous and harmful part is not reacted or decomposed in exhaust gas.
In consideration of it, it is necessary to provide a kind of spray column of novel exhaust-gas treatment, to solve or at least alleviate above-mentioned skill Art defect.
Summary of the invention
The main object of the present invention is to provide a kind of spray column of exhaust-gas treatment, it is intended to solve spray head in the prior art and spill The technical problem that water is uneven and waste gas reaction is insufficient.
To achieve the above object, the present invention provides a kind of spray column of exhaust-gas treatment, comprising:
Shell, the shell are formed with air inlet and air outlet;
The first filled layer and the second filled layer are arranged at intervals in the shell from top to bottom;
Water pump and hydrops slot are additionally provided with outside the shell;
The spray column of the exhaust-gas treatment further includes water pipe, and the water pipe includes water inlet end, the first water outlet and second Water outlet, the water inlet end protrude into the hydrops slot, and first water outlet is located at the top of first filled layer, described Second water outlet is located at the top of second filled layer, at least one in first water outlet and second water outlet is set It is equipped with the spiral vane being connected to the water pipe, the spiral vane inner hollow, the spiral vane extends downwardly, The spiral vane surface is provided with multiple apopores.
Preferably, first water outlet is connected with multiple spray heads, and second water outlet is connected with the spiral shape leaf Piece.
Preferably, the quantity of the spiral vane is multiple, and multiple spiral vanes are spaced in the shell Distribution.
Preferably, the housing bottom is formed with leakage fluid dram, and conduit is connected at the leakage fluid dram, and the conduit is located at institute State the top of hydrops slot.
Preferably, the spray column of the exhaust-gas treatment further includes being set to the intracorporal spiral case of the shell and being set to described Blower in spiral case, one end of the spiral case stretch out the shell and form the air inlet.
It preferably, further include eddy flow layer and adsorption layer, the adsorption layer, the first filled layer, the second filled layer and eddy flow layer It successively arranges from top to bottom in the shell.
Preferably, in the hydrops slot along its length on be provided with multiple partitions, the partition and the hydrops slot bottom Portion is provided with interval.
In above-mentioned technical proposal of the invention, the spray column of exhaust-gas treatment includes shell, shell be formed with air inlet and Gas outlet;The first filled layer and the second filled layer are arranged at intervals in shell from top to bottom;Water pump and product are additionally provided with outside shell Liquid bath;The spray column of exhaust-gas treatment further includes water pipe, and water pipe includes water inlet end, the first water outlet and the second water outlet, water inlet End is protruded into hydrops slot, and the first water outlet is located at the top of the first filled layer, and the second water outlet is located at the top of the second filled layer, At least one in first water outlet and the second water outlet is provided with the spiral vane being connected to water pipe, in spiral vane inside Sky, spiral vane extend downwardly, and spiral vane surface is provided with multiple apopores.It is more by being arranged on spiral vane A water outlet, alkalies are sprayed by spiral vane hollow space from water outlet, can ensure that water is uniformly sprayed to all directions, Exhaust gas is with the alkalies on spiral vane by spiral vane and react simultaneously, compared with the prior art middle exhaust gas mainly with For alkalies reaction on filled layer, which can increase the response area of exhaust gas and alkalies, fill waste gas absorption more Point.
Detailed description of the invention
It, below will be to embodiment in order to illustrate more clearly of embodiment of the present invention or technical solution in the prior art Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, The structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the schematic perspective view of the embodiment of the present invention;
Fig. 2 is the main view of the embodiment of the present invention;
Fig. 3 is the partial structure diagram of the embodiment of the present invention;
In figure: 1-shell;11-air inlets;12-gas outlets;2-the first filled layer;3-the second filled layer;4-products Liquid bath;5-water pumps;6-water pipes;61-the first water outlet;62-the second water outlet;63-spray heads;7-spiral vanes;8— Conduit;9-spiral cases;20-adsorption layers;21-eddy flow layers;22-partitions.
Specific embodiment
To keep the purpose of the present invention, feature, advantage more obvious and understandable, below with reference in the embodiment of the present invention Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that the embodiments described below Only a part of the embodiment of the present invention, and not all embodiments.Based on the embodiments of the present invention, those skilled in the art Every other embodiment obtained, shall fall within the protection scope of the present invention.
It is to be appreciated that institute directional instruction (such as upper and lower ...) is only used for explaining at certain in embodiment of the present invention Relative positional relationship, motion conditions etc. under one particular pose (as shown in the picture) between each component, if the particular pose is sent out When raw change, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ", The feature of " second " can explicitly or implicitly include at least one of the features.
Also, the technical solution between each embodiment of the present invention can be combined with each other, but must be with this field Based on those of ordinary skill can be realized, this will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of kind of technical solution is not present, also not the present invention claims protection scope within.
It should be noted that " upper and lower, water of the direction in the present invention on the basis of direction shown in Fig. 2, i.e., in the present invention It is flat, vertical " respectively correspond " upper, lower, horizontal, vertical " direction in Fig. 2.
Referring to Fig. 1-3, the present invention provides a kind of spray column of exhaust-gas treatment, comprising:
Shell 1, shell 1 are formed with air inlet 11 and gas outlet 12;
The first filled layer 2 and the second filled layer 3 are arranged at intervals in shell 1 from top to bottom;
Water pump 5 and hydrops slot 4 are additionally provided with outside shell 1;
The spray column of exhaust-gas treatment further includes water pipe 6, and water pipe 6 includes water inlet end, the first water outlet 61 and the second water outlet End 62, water inlet end protrudes into hydrops slot 4, and the first water outlet 61 is located at the top of the first filled layer 2, and the second water outlet 62 is positioned at the At least one in the top of two filled layers 3, the first water outlet 61 and the second water outlet 62 is provided with the spiral shape being connected to water pipe 6 Blade 7,7 inner hollow of spiral vane, spiral vane 7 extend downwardly, and 7 surface of spiral vane is provided with multiple water outlets Hole.
In above-described embodiment, hollow space leads to alkalies, can be really by the way that multiple water outlets are arranged on spiral vane 7 It protects alkalies uniformly to spray to all directions, guarantees the effective use of alkalies, it is ensured that neutralization reaction sufficiently carries out.Exhaust gas simultaneously Reacted by spiral vane 7 and with the alkalies on spiral vane 7, compared with the prior art in exhaust gas mainly and filled layer On alkalies reaction for, the response area of exhaust gas and alkalies can be increased, keep waste gas absorption more abundant.It needs exist for It is bright, spray head 63 is used in traditional technology, alkalies can equally contact in dropping process with the exhaust gas of rising, but contact Time it is very short, react it is extremely limited.The embodiment uses spiral vane 7, on the one hand can hinder the rising of exhaust gas, increases The time of reaction;On the other hand during spraying, alkalies can be adhered on spiral vane 7, and exhaust gas can be with spiral vane 7 On alkalies react, equivalent to increase a reacting environment, (exhaust gas is same or reacts with the alkalies of filled layer ), the response area of exhaust gas and alkalies is increased, keeps waste gas absorption more abundant, is more advantageous to toxic in removing exhaust gas Harmful substance.
In addition, the first water outlet 61 is connected with multiple spray heads 63, the second water outlet 62 is connected with spiral vane 7.Certainly, Spiral vane 7 can also be set in the first water outlet 61, multiple spray heads 63 are set in the second water outlet 62;It can also be first Water outlet 61 and the second water outlet 62 are respectively provided with spiral vane 7.Certainly, the quantity of spiral vane 7 is multiple, multiple spirals Shape blade 7 can be spaced apart in shell 1, can also be interspersed, as long as not interfering.Multiple spiral shells are set Rotation shape blade 7 further can rise exhaust gas to form obstruction, slow down exhaust gas uphill process, and increase exhaust gas is reacted with alkalies Time and response area, the poisonous and harmful substance being more advantageous in removing exhaust gas.
In addition, 1 bottom of shell is formed with leakage fluid dram, conduit 8 is connected at leakage fluid dram, conduit 8 is located at the upper of hydrops slot 4 Side.The alkalies sprayed from outlet pipe 6 is reacted to fall into 1 bottom of shell later, flows into hydrops slot from the conduit 8 of 1 bottom of shell 4, it is recycled.In hydrops slot 4 along its length on be provided with multiple partitions 22, partition 22 and 4 bottom of hydrops slot are arranged There is interval.It is useless to guarantee to enter because the alkalies of the spray column of entire exhaust-gas treatment is the process constantly recycled at one The alkalies concentration of the spray column of gas disposal reaches requirement, needs constantly to supplement alkaline powder in hydrops slot 4.And from drain The alkalies concentration that mouth comes out is obviously relatively low, to guarantee that it is alkaline molten that the spray column of exhaust-gas treatment will not come out because of leakage fluid dram Liquid abruptly enter hydrops slot 4 and cause into exhaust-gas treatment spray column alkalies concentration it is impacted, therefore be arranged it is multiple every Hydrops slot is divided into several sections by plate 22, and the water inlet end of water pipe is connected to the section far from leakage fluid dram.Simultaneously in partition 22 and product Interval is set between 4 bottom of liquid bath, guarantees to play the role of slowing down while alkalies mixing.
Further, the spray column of exhaust-gas treatment further includes the spiral case 9 being set in shell 1 and is set in spiral case 9 Blower, one end of spiral case 9 stretches out shell 1 and forms air inlet 11.By spiral case 9 and blower by exhaust gas suction casing 1, use Volute structure design is simple, and low manufacture cost.
It further, further include eddy flow layer 21 and adsorption layer 20, adsorption layer 20, the first filled layer 2,3 and of the second filled layer Eddy flow layer 21 is successively arranged from top to bottom in shell 1.As a kind of specific embodiment of the embodiment, adsorption layer 20 can be with For active carbon layer.Active carbon has gap structure flourishing, and large specific surface area, adsorption capacity is strong, high mechanical strength, chemical stability Can be good the advantages that.Therefore, active carbon can fully absorb the harmful substance in acid mist, prevent discharge of poisonous waste in acid mist to big In gas, atmosphere pollution is caused.First filled layer 2 and the second filled layer 3 can use polypropylene, and polypropylene corrosion resistance is strong, can To prevent acid mist from corroding the first filled layer 2 and the second filled layer 3, the spray column of exhaust-gas treatment is caused to damage.Eddy flow layer 21 can To be prepared using glass reinforced plastic.When eddy flow layer 21 works, acid mist is flowed up by the spray column bottom of exhaust-gas treatment, due to rotation The guiding role of fluid layer 21 and make acid mist rotation rise, make to have between the akaline liquid in the spray column of exhaust-gas treatment very big Contact area, acid mist and akaline liquid are driven by air-flow to be rotated, and the centrifugal force of generation strengthens acid mist contact between akaline liquid, Then it is thrown on the second filled layer 3.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention, it is noted that for the art Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (7)

1. a kind of spray column of exhaust-gas treatment characterized by comprising
Shell, the shell are formed with air inlet and air outlet;
The first filled layer and the second filled layer are arranged at intervals in the shell from top to bottom;
Water pump and hydrops slot are additionally provided with outside the shell;
The spray column of the exhaust-gas treatment further includes water pipe, and the water pipe includes water inlet end, the first water outlet and the second water outlet End, the water inlet end protrudes into the hydrops slot, and first water outlet is located at the top of first filled layer, and described second Water outlet is located at the top of second filled layer, at least one in first water outlet and second water outlet is provided with The spiral vane being connected to the water pipe, the spiral vane inner hollow, the spiral vane extends downwardly, described Spiral vane surface is additionally provided with multiple apopores.
2. the spray column of exhaust-gas treatment according to claim 1, which is characterized in that first water outlet is connected with more A spray head, second water outlet are connected with the spiral vane.
3. the spray column of exhaust-gas treatment according to claim 1 or 2, which is characterized in that the number of the spiral vane It is multiple for measuring, and multiple spiral vanes are spaced apart in the shell.
4. the spray column of exhaust-gas treatment according to claim 1, which is characterized in that the housing bottom is formed with drain Mouthful, it is connected with conduit at the leakage fluid dram, the conduit is located at the top of the hydrops slot.
5. the spray column of exhaust-gas treatment according to claim 1, which is characterized in that the spray column of the exhaust-gas treatment It further include the blower for being set to the intracorporal spiral case of the shell He being set in the spiral case, the shell is stretched out in one end of the spiral case Body forms the air inlet.
6. the spray column of exhaust-gas treatment according to claim 1, which is characterized in that it further include eddy flow layer and adsorption layer, The adsorption layer, the first filled layer, the second filled layer and eddy flow layer are successively arranged from top to bottom in the shell.
7. the spray column of exhaust-gas treatment according to claim 1, which is characterized in that in the hydrops slot along its length On be provided with multiple partitions, the partition and the hydrops trench bottom are provided with interval.
CN201910839804.3A 2019-09-06 2019-09-06 A kind of spray column of exhaust-gas treatment Pending CN110449009A (en)

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CN201910839804.3A CN110449009A (en) 2019-09-06 2019-09-06 A kind of spray column of exhaust-gas treatment

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Application Number Priority Date Filing Date Title
CN201910839804.3A CN110449009A (en) 2019-09-06 2019-09-06 A kind of spray column of exhaust-gas treatment

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CN110449009A true CN110449009A (en) 2019-11-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113083002A (en) * 2021-04-20 2021-07-09 东莞市红升环保设备有限公司 Biological tower of multiple cycle processing

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CN208526284U (en) * 2018-04-20 2019-02-22 武汉市奥斯杰环保科技有限公司 A kind of spray column with liquid-adding device
CN208660815U (en) * 2018-05-28 2019-03-29 宁波升飞环保科技有限公司 A kind of waste gas purification apparatus with filler
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113083002A (en) * 2021-04-20 2021-07-09 东莞市红升环保设备有限公司 Biological tower of multiple cycle processing

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