CN114950090A - Acid mist washing tower with double filtration - Google Patents

Acid mist washing tower with double filtration Download PDF

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Publication number
CN114950090A
CN114950090A CN202110203105.7A CN202110203105A CN114950090A CN 114950090 A CN114950090 A CN 114950090A CN 202110203105 A CN202110203105 A CN 202110203105A CN 114950090 A CN114950090 A CN 114950090A
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CN
China
Prior art keywords
pipeline
annular
acid mist
tower body
tower
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Pending
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CN202110203105.7A
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Chinese (zh)
Inventor
谭春林
刘亨奥
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Baoshan Iron and Steel Co Ltd
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Baoshan Iron and Steel Co Ltd
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Priority to CN202110203105.7A priority Critical patent/CN114950090A/en
Publication of CN114950090A publication Critical patent/CN114950090A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0407—Constructional details of adsorbing systems
    • B01D53/0423—Beds in columns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1431—Pretreatment by other processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1431—Pretreatment by other processes
    • B01D53/1437—Pretreatment by adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1456—Removing acid components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/18—Absorbing units; Liquid distributors therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/38—Removing components of undefined structure
    • B01D53/40—Acidic components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/96—Regeneration, reactivation or recycling of reactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/025—Other waste gases from metallurgy plants

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses an acid mist washing tower with double filtration, which comprises a tower body, wherein the tower body is communicated with a chimney through an exhaust pipeline; a supporting structure is arranged in the tower body, and a first filtering structure is arranged on the supporting structure; a detection mechanism is arranged on one side surface of the tower body, and the detection mechanism is also communicated with an acid mist pipeline, an industrial water pipeline and an alkali liquor pipeline; a circulating pipeline and a drainage pipeline are arranged on the other side surface of the tower body, and the circulating pipeline is communicated with the first filtering structure; a second filtering structure is arranged in the chimney; the lower end of the chimney is also provided with a water inlet and a water outlet; and a discharge port is formed on the exhaust pipeline positioned in the chimney. The invention is convenient for maintenance in time and prevents acid mist from being directly discharged into the atmosphere.

Description

Acid mist washing tower with double filtration
Technical Field
The invention relates to a steel plate pickling device in a hot rolling process, in particular to an acid mist washing tower with double filtration.
Background
The steel plate pickling device used by the existing hot rolling production line is matched with an acid mist washing tower, the acid mist washing tower transfers pollutants in acid mist into liquid by utilizing the contact between the gas and the liquid, and then clean gas is separated from the polluted liquid, so that the aim of cleaning air is fulfilled. At present, only one-time filtration is adopted in an acid mist washing tower, acid mist is purified and then discharged into the atmosphere by adsorbing acid ions in the acid mist through activated carbon, and then the pH value of water in the acid mist washing tower is adjusted by manually adding alkali.
The existing acid mist washing tower has faults, if the faults can not be found in time, the acid mist is probably directly discharged to the atmosphere through a flue, and serious air pollution accidents are caused.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention provides an acid mist scrubber with double filtration, which is convenient for timely maintenance and prevents the acid mist from being directly discharged into the atmosphere.
In order to achieve the purpose, the invention adopts the following technical scheme:
an acid mist washing tower with double filtration comprises a tower body, wherein the tower body is communicated with a chimney through an exhaust pipeline;
a supporting structure is arranged in the tower body, and a first filtering structure is arranged on the supporting structure;
a detection mechanism is arranged on one side surface of the tower body, and the detection mechanism is also communicated with an acid mist pipeline, an industrial water pipeline and an alkali liquor pipeline;
a circulating pipeline and a drainage pipeline are arranged on the other side surface of the tower body, and the circulating pipeline is communicated with the first filtering structure;
a second filtering structure is arranged in the chimney;
the lower end of the chimney is also provided with a water inlet and a water outlet;
and a discharge port is formed on the exhaust pipeline positioned in the chimney.
Preferably, the tower body is cylindrical; and/or
An access door is arranged on the tower body and corresponds to the first filtering structure in position; and/or
A water pump is arranged on the circulating pipeline; and/or
The detection mechanism comprises 2 detection pipelines arranged on one side face of the tower body, one detection pipeline is provided with a pH value detector, and the other detection pipeline is provided with a radar range finder.
Preferably, the supporting structure comprises a cylinder, a supporting frame, a circular bracket and an annular bracket;
the lower end of the cylinder is arranged at the central position in the tower body, and the support frame is arranged at the upper end of the cylinder and fixed with the inner wall of the tower body;
the circular bracket is arranged on the cylinder and fixed, and a plurality of rollers are arranged on the circular bracket;
the annular bracket is fixed on the inner wall of the tower body and is flush with the height position of the circular bracket, and a plurality of rollers are arranged on the annular bracket.
Preferably, 2 sets of the circular bracket and the annular bracket are arranged; and/or
The supporting frame is a cross-shaped supporting frame.
Preferably, the number of the rollers on the circular bracket and the annular bracket is 4, and the 4 rollers are arranged at equal intervals.
Preferably, the first filtering structure comprises a 2-ring-shaped rotating frame, a first annular water pipe and a second annular water pipe;
2 sets of the annular rotating frames are sleeved on the cylinder, and the bottom surfaces of the annular rotating frames are in contact with the corresponding rollers on the circular brackets and the rollers on the annular brackets;
a plurality of groove boxes are arranged on the annular rotating frame, and activated carbon is placed in the groove boxes;
the first annular water pipe is communicated with the second annular water pipe and is positioned between 2 sets of the circular brackets and the annular brackets, and the first annular water pipe is communicated with the circulating pipeline through a water inlet pipe;
12 spray heads are arranged on the first annular water pipe, and 6 spray heads are arranged on the second annular water pipe.
Preferably, a transparent window is arranged on the access door.
Preferably, one end of the exhaust pipeline is connected to the top of the tower body, and the other end of the exhaust pipeline is connected to the lower end of the chimney;
an exhaust fan is arranged on the exhaust pipeline.
Preferably, the second filtering structure is located above the exhaust duct and comprises a first bubble breaking plate, a second bubble breaking plate and a third bubble breaking plate which are sequentially arranged along the chimney from bottom to top at intervals;
preferably, the water in the chimney passes through the third bubble-breaking plate.
Preferably, the first bubble breaking plate, the second bubble breaking plate and the third bubble breaking plate are all provided with micropores;
the pore diameter of the micropores on the first bubble breaking plate is larger than that of the micropores on the second bubble breaking plate and is larger than that of the micropores on the third bubble breaking plate.
The acid mist washing tower with double filtration provided by the invention also has the following beneficial effects:
1) the operation condition in the tower body can be observed through a transparent window on the access door, and the interior of the tower body is maintained in time;
2) the interior of the tower body is convenient to overhaul and maintain through the access door;
3) the first and second filtering structures form double purification to prevent the acid mist from being directly discharged into the atmosphere to cause pollution.
Drawings
FIG. 1 is a schematic front view of an acid mist scrubber with dual filtration according to the present invention;
FIG. 2 is a schematic top view of an acid mist scrubber with dual filtration according to the present invention;
FIG. 3 is a schematic cross-sectional view of the tower body of an acid mist scrubber with double filtration according to the present invention;
FIG. 4 is a schematic view of section line A in FIG. 3;
FIG. 5 is a schematic view of section line B in FIG. 3;
FIG. 6 is a schematic view of section line C in FIG. 3;
FIG. 7 is a schematic view of section line D in FIG. 3;
FIG. 8 is a schematic view of section line E in FIG. 3;
fig. 9 is a schematic view of section line F in fig. 3.
Detailed Description
In order to better understand the technical solutions of the present invention, the following further describes the technical solutions of the present invention with reference to the accompanying drawings and examples.
Referring to fig. 1, the acid mist washing tower with double filtration according to the present invention includes a tower body 100, the tower body 100 is connected to a chimney 200 through an exhaust duct 1, one end of the exhaust duct 1 is connected to the top of the tower body 100, one end of the exhaust duct 1 is connected to the lower end of the chimney 200, and an exhaust fan 23 is disposed on the exhaust duct 1 for exhausting acid mist from the tower body 100 to the chimney 200.
A supporting structure is arranged in the tower body 100, and a first filtering structure is arranged on the supporting structure.
A detection mechanism is arranged on one side surface of the tower body 100, and an industrial water pipeline 2 for supplementing industrial water, an acid mist pipeline 3 for discharging acid mist and an alkali liquor pipeline 4 for supplementing alkali liquor are communicated from top to bottom.
And a circulating pipeline 5 communicated with the first filtering structure and a drainage pipeline 6 used for discharging waste alkali liquor into a wastewater pond are arranged on the other side surface of the tower body 100.
A second filter structure is provided in the chimney 200.
The lower end of the chimney 200 is also provided with a water inlet 7 and a water outlet 8.
The exhaust duct 1 located in the stack 200 is provided with a discharge opening 9.
The tower body 100 is formed in a cylindrical shape.
The support structure comprises a cylinder 10, a support frame 11, a circular bracket 12 and an annular bracket 13.
The lower end of the column 10 is arranged at the central position in the tower body 100, the support frame 11 is arranged as a cross-shaped support frame 11, the cross central position of the support frame 11 is arranged at the upper end of the column 10, and four side surfaces of the support frame 11 are fixed with the inner wall of the tower body 100.
2 sets of circular brackets 12 and annular brackets 13 are arranged.
The circular brackets 12 are respectively sleeved on the upper end and the middle position of the cylinder 12 and fixed, 4 annular rollers 1201 which are arranged at equal intervals are embedded in each set of circular brackets 12, and the roller surfaces of the rollers 1201 are higher than the upper surface of the circular brackets 12.
The annular brackets 13 are respectively fixed on the inner wall of the tower body 100, the 2-sleeve annular bracket 13 is respectively flush with the height positions of the 2- sleeve circular bracket 12, 4 annular rollers 1301 arranged at equal intervals are embedded in the annular bracket 13, and the roller surfaces of the rollers 1301 are higher than the upper surface of the annular bracket 13.
The first filtering structure comprises a 2-ring-shaped rotating frame 14, a first annular water pipe 15 and a second annular water pipe 16.
The 2-ring-shaped rotating frames 14 are sleeved on the cylinder 10, and the bottom surface of each set of annular rotating frame 14 is in contact with the corresponding roller 1201 on the circular bracket 12 and the corresponding roller 1301 on the annular bracket 13, so that the annular rotating frames 14 can rotate along the cylinder 10.
Each set of annular rotating frame 14 is provided with 6 fan-shaped groove boxes 17, activated carbon is arranged in each groove box 17, and the bottom of each groove box 17 is provided with a small hole.
The first annular water pipe 15 is communicated with the second annular water pipe 16 and is positioned between the 2 sets of the circular brackets 12 and the annular bracket 13, and the first annular water pipe 15 is communicated with the circulating pipeline 5 through a water inlet pipe.
12 annular spray heads 18 which are arranged at equal intervals are arranged on the first annular water pipe 15, 6 annular spray heads 19 which are arranged at equal intervals are arranged on the second annular water pipe 16, 3 spray heads (2 spray heads 18 and 1 spray head 19) are arranged above the activated carbon in each groove box 17, and alkali liquor can be uniformly sprayed into the groove boxes 17.
The circulating pipeline 5 is provided with a water pump 20, and NaOH aqueous solution with the bottom concentration of 3% -6% in the tower body 100 can be used as circulating spray water through the circulating pipeline 5 as a spray head 18 on the first annular water pipe 15 and a spray head 19 on the second annular water pipe 16.
The tower body 100 is provided with an access door 21, and the position of the access door 21 corresponds to the position of the first filtering structure, so that the maintenance operation is convenient.
The access door 21 is also provided with a transparent window 22, which is convenient for checking the internal condition of the tower body 100.
The second filtering structure in the chimney 200 is located above the discharge port 9 on the exhaust pipe 1, and includes a first bubble breaking plate 24, a second bubble breaking plate 25 and a third bubble breaking plate 26 which are horizontally arranged along the chimney 200 from bottom to top at intervals in sequence. The first bubble breaking plate 24, the second bubble breaking plate 25 and the third bubble breaking plate 26 are all circular plates, and the side edges of the circular plates are attached to the inner wall of the chimney 200.
The clean water in the chimney 200 does not pass through the third bubble-breaking plate 26 at the uppermost layer.
The first bubble breaking plate 24, the second bubble breaking plate 25 and the third bubble breaking plate 26 are all provided with a plurality of micropores.
The pore diameter of the micropores on the first bubble-breaking plate 24 is larger than that of the micropores on the second bubble-breaking plate 25 and larger than that of the micropores on the third bubble-breaking plate 26.
The detection mechanism comprises 2 detection pipelines 27 communicated with the lower end of one side face of the tower body 100, one detection pipeline 27 is provided with a pH value detector 28, and the other detection pipeline 27 is provided with a radar range finder 29 for detecting the pH value and the liquid level of the bottom alkali liquor in the tower body 100.
The working principle of the acid mist washing tower with double filtration is as follows:
the pickling operation is started, acid mist enters the tower body 100 through the acid mist pipeline 3, meanwhile, the water suction pump 20 is started, alkali liquor at the bottom in the tower body 100 is conveyed to the first annular water pipe 15 and the second annular water pipe 16 through the circulating pipeline 5, then the activated carbon in the tank box 17 is sprayed by the spray heads 18 and 19 on the first annular water pipe 15 and the second annular water pipe 16, and the alkali liquor flows back to the bottom in the tower body 100 through the small holes in the bottom of the tank box 17 to form a circulation.
The exhaust fan 23 is opened to purify the acid mist in the tower body 100 by two layers of activated carbon, and then the acid mist passes through the exhaust pipeline 1 and is discharged into the clean water in the chimney 200 through the discharge port 9, a large amount of bubbles are generated in the clean water, when the bubbles pass through the first bubble breaking plate 24, the bubbles can be reduced by the micropores on the first bubble breaking plate 24, when the bubbles pass through the second bubble breaking plate 25, the bubbles can be reduced by the micropores on the second bubble breaking plate 25, when the bubbles pass through the third bubble breaking plate 26, the bubbles can be reduced by the micropores on the third bubble breaking plate 26, the bubbles are fully contacted with the clean water in the process, and the secondary filtering effect is achieved.
During maintenance operation, the maintenance door 21 is opened, the annular rotating frame 14 is rotated, the 6 groove boxes 17 on the annular rotating frame 14 are taken out in sequence, new activated carbon is added, the annular rotating frame 14 is returned, the maintenance door 21 is closed, and maintenance is finished.
When daily point is examined, the transparent window 22 on the accessible access door 21 is inspected the condition of spraying in to tower body 100, and the discovery problem can in time be reported for repairment.
The detection data of the pH value detector 28 and the radar range finder 29 are transmitted to the computer management system of the acid mist washing tower in time, when the pH value detector 28 detects that the pH value exceeds a set range, the radar range finder 29 measures the liquid level of the alkali liquor at the bottom in the tower body 100, the computer management system of the acid mist washing tower calculates after obtaining the detection data, and the alkali liquor pipeline 4 is controlled to carry out alkali liquor supplementing operation in the tower body 100 according to the calculation result.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims (11)

1. An acid mist washing tower with double filtration is characterized in that: the device comprises a tower body, wherein the tower body is communicated with a chimney through an exhaust pipeline;
a supporting structure is arranged in the tower body, and a first filtering structure is arranged on the supporting structure;
a detection mechanism is arranged on one side surface of the tower body, and the detection mechanism is also communicated with an acid mist pipeline, an industrial water pipeline and an alkali liquor pipeline;
a circulating pipeline and a drainage pipeline are arranged on the other side surface of the tower body, and the circulating pipeline is communicated with the first filtering structure;
a second filtering structure is arranged in the chimney;
the lower end of the chimney is also provided with a water inlet and a water outlet;
and a discharge port is formed on the exhaust pipeline positioned in the chimney.
2. The acid mist scrubber tower with dual filtration as recited in claim 1, wherein:
the tower body is cylindrical; and/or
An access door is arranged on the tower body and corresponds to the first filtering structure; and/or
A water pump is arranged on the circulating pipeline; and/or
The detection mechanism comprises 2 detection pipelines arranged on one side face of the tower body, one detection pipeline is provided with a pH value detector, and the other detection pipeline is provided with a radar range finder.
3. The acid mist scrubber tower with double filtration as claimed in claim 1 or 2, wherein: the supporting structure comprises a cylinder, a supporting frame, a circular bracket and an annular bracket;
the lower end of the cylinder is arranged at the central position in the tower body, and the support frame is arranged at the upper end of the cylinder and fixed with the inner wall of the tower body;
the circular bracket is arranged on the cylinder and fixed, and a plurality of rollers are arranged on the circular bracket;
the annular bracket is fixed on the inner wall of the tower body and is flush with the height position of the circular bracket, and a plurality of rollers are arranged on the annular bracket.
4. The acid mist scrubber tower with dual filtration as recited in claim 3, wherein:
2 sets of circular brackets and annular brackets are arranged; and/or
The supporting frame is a cross-shaped supporting frame.
5. The acid mist scrubber tower with dual filtration as recited in claim 2, wherein: the circular bracket the gyro wheel on the annular bracket all is equipped with 4, 4 the gyro wheel is equidistant to be set up.
6. The acid mist scrubber tower with dual filtration as recited in claim 4, wherein: the first filtering structure comprises a 2-ring-shaped rotating frame, a first annular water pipe and a second annular water pipe;
2 sets of the annular rotating frames are sleeved on the cylinder, and the bottom surfaces of the annular rotating frames are in contact with the corresponding rollers on the circular brackets and the rollers on the annular brackets;
a plurality of groove boxes are arranged on the annular rotating frame, and activated carbon is placed in the groove boxes;
the first annular water pipe is communicated with the second annular water pipe and is positioned between 2 sets of the circular brackets and the annular brackets, and the first annular water pipe is communicated with the circulating pipeline through a water inlet pipe;
12 spray heads are arranged on the first annular water pipe, and 6 spray heads are arranged on the second annular water pipe.
7. The acid mist scrubber tower with dual filtration as recited in claim 2, wherein: and a transparent window is arranged on the access door.
8. The acid mist scrubber tower with dual filtration as recited in claim 1, wherein: one end of the exhaust pipeline is connected to the top of the tower body, and the other end of the exhaust pipeline is connected to the lower end of the chimney;
an exhaust fan is arranged on the exhaust pipeline.
9. The acid mist scrubber tower with dual filtration as recited in claim 8, wherein: the second filtering structure is positioned above the exhaust pipeline and comprises a first bubble breaking plate, a second bubble breaking plate and a third bubble breaking plate which are sequentially arranged from bottom to top at intervals along the inner part of the chimney.
10. The acid mist scrubber tower with double filtration as recited in claim 9, wherein: the water in the chimney passes through the third bubble-breaking plate.
11. The acid mist scrubber tower with dual filtration as recited in claim 9, wherein: micropores are formed in the first bubble breaking plate, the second bubble breaking plate and the third bubble breaking plate;
the pore diameter of the micropores on the first bubble breaking plate is larger than that of the micropores on the second bubble breaking plate and is larger than that of the micropores on the third bubble breaking plate.
CN202110203105.7A 2021-02-23 2021-02-23 Acid mist washing tower with double filtration Pending CN114950090A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110203105.7A CN114950090A (en) 2021-02-23 2021-02-23 Acid mist washing tower with double filtration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110203105.7A CN114950090A (en) 2021-02-23 2021-02-23 Acid mist washing tower with double filtration

Publications (1)

Publication Number Publication Date
CN114950090A true CN114950090A (en) 2022-08-30

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CN202110203105.7A Pending CN114950090A (en) 2021-02-23 2021-02-23 Acid mist washing tower with double filtration

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Country Link
CN (1) CN114950090A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203075792U (en) * 2013-02-07 2013-07-24 陕西理工学院 Indoor air purifying device
CN108144405A (en) * 2018-01-18 2018-06-12 邯郸钢铁集团有限责任公司 A kind of acid mist tail gas level cleaning system
CN208161336U (en) * 2018-03-30 2018-11-30 江苏丰益化工科技有限公司 A kind of exhaust gas purification system for SO3 sulfonation gas
CN208406587U (en) * 2018-04-30 2019-01-22 宿迁久巨环保科技有限公司 A kind of chemical industry acid mist purifying tower
CN211636004U (en) * 2019-10-29 2020-10-09 河北海天环保工程设备股份有限公司 Biological deodorization device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203075792U (en) * 2013-02-07 2013-07-24 陕西理工学院 Indoor air purifying device
CN108144405A (en) * 2018-01-18 2018-06-12 邯郸钢铁集团有限责任公司 A kind of acid mist tail gas level cleaning system
CN208161336U (en) * 2018-03-30 2018-11-30 江苏丰益化工科技有限公司 A kind of exhaust gas purification system for SO3 sulfonation gas
CN208406587U (en) * 2018-04-30 2019-01-22 宿迁久巨环保科技有限公司 A kind of chemical industry acid mist purifying tower
CN211636004U (en) * 2019-10-29 2020-10-09 河北海天环保工程设备股份有限公司 Biological deodorization device

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