CN212309314U - Horizontal spray tower and acid mist exhaust treatment system - Google Patents
Horizontal spray tower and acid mist exhaust treatment system Download PDFInfo
- Publication number
- CN212309314U CN212309314U CN202020862255.XU CN202020862255U CN212309314U CN 212309314 U CN212309314 U CN 212309314U CN 202020862255 U CN202020862255 U CN 202020862255U CN 212309314 U CN212309314 U CN 212309314U
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- horizontal spray
- area
- tower
- spray tower
- packing
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- 239000007921 spray Substances 0.000 title claims abstract description 44
- 239000002253 acid Substances 0.000 title claims abstract description 28
- 239000003595 mist Substances 0.000 title claims abstract description 26
- 238000012856 packing Methods 0.000 claims abstract description 30
- 239000002912 waste gas Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 238000005192 partition Methods 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 31
- 239000000945 filler Substances 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 16
- 238000005507 spraying Methods 0.000 claims description 9
- 230000018044 dehydration Effects 0.000 claims description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- 239000003517 fume Substances 0.000 claims description 5
- 238000000746 purification Methods 0.000 abstract description 16
- 239000007789 gas Substances 0.000 description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000003513 alkali Substances 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 239000003897 fog Substances 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003665 fog water Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Images
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- Treating Waste Gases (AREA)
Abstract
The utility model provides a horizontal spray tower and an acid mist waste gas treatment system, wherein an air inlet area (16), a packing area (11), a buffer area (15) and a mist and water separation area (17) are sequentially arranged in the tower body of the horizontal spray tower from an air inlet (1) to an air outlet (2); the packing area (11) is obliquely arranged, a first packing layer (11-1), a second packing layer (11-2) and a third packing layer (11-3) are arranged in the packing area (11), and the three packing layers are separated by an obliquely arranged partition plate. The horizontal spray tower is simple in structure, low in implementation cost, high in purification efficiency and high in practicability. The acid mist waste gas treatment system comprises the horizontal spray tower and other necessary equipment, and can purify the acid mist waste gas and then discharge the acid mist waste gas after reaching the standard.
Description
Technical Field
The utility model relates to a waste gas treatment technical field, concretely relates to horizontal spray column and acid mist exhaust-gas treatment system.
Background
The acid mist is generally a mist of acids, and has a strong corrosiveness, and includes inorganic acids such as sulfuric acid, nitric acid, and hydrochloric acid, and organic acids such as formic acid, acetic acid, and propionic acid. Industrial production is accompanied by the generation of acid mist, which directly diffuses into a production workshop or is discharged into the atmosphere, so that the environment of the production workshop is polluted, the physical health of workers is affected, and the atmosphere is also broken. But with the emphasis on environmental protection and health. The acid mist must be strictly treated to reach the comprehensive emission standard of atmospheric pollution before being discharged into the atmosphere.
At present, most of acid mist is treated by an acid mist purification tower before being discharged. But the prior acid mist purification tower has poor purification effect and insufficient purification; secondly, the solution in the purification tower which reacts with the acid mist is directly discharged, and the acid mist which is not treated fully is easy to cause secondary pollution.
In the field of environmental protection treatment, spray towers are frequently used, and the existing spray towers comprise vertical spray towers and horizontal spray towers, wherein the existing horizontal spray towers are very complicated in internal structure, a lot of fillers are arranged in the existing horizontal spray towers, and the fillers are troublesome to replace.
Disclosure of Invention
In view of the above problem, the utility model provides a simple structure, with low costs and the high horizontal spray column of purification efficiency still provides an acid mist processing system in addition, can discharge after reaching standard with acid mist exhaust-gas treatment.
In order to solve the technical problem, the utility model provides a horizontal spray tower, which comprises a tower body, wherein the two side surfaces of the tower body opposite to each other are respectively provided with an air inlet and an air outlet; the bottom of the inner cavity of the tower body is provided with a liquid storage tank, and the tower body is characterized in that an air inlet area, a filler area, a buffer area and a fog and water separation area are sequentially arranged in the tower body from an air inlet to an air outlet; the packing area is obliquely arranged, a first packing layer, a second packing layer and a third packing layer are arranged in the packing area, and a baffle plate which is obliquely arranged is arranged among the three packing layers; and the top of the filling area and one side surface close to the air inlet area are respectively provided with a spraying device, and the spraying devices are communicated with the liquid storage tank through a circulating pump.
Preferably, the filler area comprises a grid plate fixed in the inner cavity of the tower body, and the grid plate is paved with fillers. The arrangement of the grating plate is convenient for fixing the filler. The filler is selected from one or more of ball park, Lall ring or plastic ball. The inclination angle of the filling area is preferably 15-30 degrees, and the filling area is internally provided with a plurality of different areas which can be filled with different fillings. And the contact area is further increased by the separation of the inclined partition plate, so that the purification device has a better purification effect.
The liquid storage tank is communicated with a liquid inlet of the circulating pump, a liquid outlet of the circulating pump is communicated with a plurality of circulating pipelines, and each circulating pipeline is communicated with a plurality of nozzles. The plurality of nozzles are arranged, so that the purification efficiency is further improved, and the liquid in the liquid storage tank is fully and effectively utilized, so that the chemical reaction is more sufficient.
In order to supplement reaction liquid in time, a medicine adding port is arranged on one side face of the tower body and communicated with the liquid storage tank.
In order to increase the filler, a plurality of filler feeding holes are formed in the top of the tower body; the filler feeding hole is arranged right above the filler area.
A dehydration access hole is formed in the tower body; and a dehydration discharge opening is formed on the tower body close to the air outlet.
And a mist-water separator is arranged at the top of the inner cavity of the tower body. The moisture in the gas can be conveniently separated.
In order to facilitate processing and ensure attractive structure, the air inlet and the air outlet are arranged at the same height position, and the diameter of the air inlet is the same as that of the air outlet.
An acid mist waste gas treatment system comprises a ventilation cabinet, an exhaust pipe, the horizontal spray tower, an exhaust fan and a chimney air pipe which are sequentially communicated; the air conditioner is characterized in that an air volume adjusting valve is arranged at the joint of the fume hood and the exhaust pipe, the exhaust pipe is connected with an air inlet of the horizontal spray tower, and the exhaust fan is connected with an air outlet of the horizontal spray tower through a pipeline.
In a preferred scheme, a rain-proof cap is arranged at the top of the chimney air pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a horizontal spray column utilizes the sour gas in the liquid neutralization waste gas in the liquid storage tank, utilize the separation that the different grade type packed, the slope sets up increase area of contact, in addition spray set top-down, the atomizing from a left side to the right side sprays the liquid and causes gaseous turbulence, make gaseous and filler collision, thereby make waste gas fully contact spray set spun liquid, by fully absorbing and purifying (neutralization), buffer zone and fog separation zone can further separate out moisture and gas, further guarantee that the combustion gas satisfies relevant environmental protection requirement.
2. The utility model discloses a horizontal spray column simple structure realizes with low costs, and purification efficiency is high, and the practicality is strong.
3. The horizontal spray tower of the utility model has high purification efficiency, and can effectively utilize the liquid in the liquid storage tank, thereby further reducing the use cost.
4. The utility model discloses an acid mist exhaust-gas treatment system includes this horizontal spray column, and simple structure is effective, and a capital equipment just can be with discharge to reach standard behind the acid mist exhaust-gas purification.
Drawings
FIG. 1 is a schematic view of the internal structure of the horizontal spray tower of the present invention;
fig. 2 is the external schematic view of the horizontal spray tower of the present invention.
Fig. 3 is a schematic structural view of the acid mist waste gas treatment system of the present invention.
Detailed Description
The invention will be further explained and explained with reference to the drawings and the embodiments
Example 1
As shown in fig. 1 and 2, the horizontal spray tower includes a tower body 13; the tower comprises a tower body, wherein an air inlet 1 and an air outlet 2 are respectively formed in two opposite side surfaces of the tower body; the bottom of the inner cavity of the tower body is provided with a liquid storage tank 9, and the tower body is characterized in that an air inlet area, a filler area, a buffer area and a fog and water separation area are sequentially arranged in the tower body from an air inlet 1 and an air outlet 2; the packing area is obliquely arranged, a first packing layer 11-1, a second packing layer 11-2 and a third packing layer 11-3 are arranged in the packing area, and a baffle plate which is obliquely arranged is arranged among the three packing layers; and the top of the filling area and one side surface close to the air inlet area are respectively provided with a spraying device, and the spraying devices are communicated with a liquid storage tank 9 through a circulating pump 8.
For the sake of aesthetic structure and convenience for installing corresponding structures in the inner cavity of the tower body 13, the air inlet 1 and the air outlet 2 are disposed at the same height position (the center of the air inlet and the center of the air outlet are disposed at the same height in the same height position). Of course, the air inlet 1 and the air outlet 2 may be disposed at different heights. It is noted that the height in the present invention is referred to in the horizontal plane (the cross-section of the tower 13 is parallel to the horizontal plane). The sizes of the air inlet 1 and the air outlet 2 can be the same or different. For convenience of processing, the air inlet 1 and the air outlet 2 are set to have the same size (diameter) in the embodiment.
The utility model discloses in, filler district 11 is including fixing grid plate 10 in tower body 13 inner chamber, lays a plurality of packing layers on the grid plate. As can be seen from fig. 1, the cross-section of the grid plate 10 is parallel to the cross-section of the tower body 13. In order to facilitate installation and fixation and ensure the purification effect, the installation height of the grating plate 10 can be higher than the height of the highest point of the air inlet 1 and the air outlet 2, and can also be lower than the height of the lowest point of the air inlet 1 and the air outlet 2.
The spraying device 12 is provided with a plurality of nozzles arranged at the middle part or the upper part of the inner cavity of the tower body 13, the liquid storage tank 9 is communicated with the liquid inlet of the circulating pump 8, the liquid outlet of the circulating pump is communicated with a plurality of circulating pipelines 14, and each circulating pipeline 14 is communicated with a plurality of nozzles. The number of the circulating pipelines is 2 in the embodiment, and each circulating pipeline is communicated with 3 nozzles.
As can be seen from fig. 2, the air inlet 1 and the air outlet 2 of the present embodiment are respectively disposed at the left and right sides of the tower body 13. For easy access, a plurality of access openings are provided in one side of the tower 13, for example, in fig. 2, two access openings 5 are provided in the back of the tower 13.
In order to conveniently supplement liquid into the liquid storage tank 9, a medicine adding port 7 is arranged on one side surface of the tower body 13, and the medicine adding port 7 is communicated with the liquid storage tank 9. As can be seen from fig. 2, a tank (dosing port 7) is provided at the bottom of the rear of the tower 13 through which the liquid enters the reservoir 9.
In order to facilitate the filling, a plurality of filling material inlet openings 6 are arranged at the top of the tower body 13. In this example, the number of filler feed inlets was 2. It will be appreciated that the filler feed inlet 6 should be located directly above the grid plate 10 to facilitate the addition of filler.
The tower body 13 is also provided with a dehydration access hole 3, and the dehydration access hole 3 should be arranged on the top surface of the tower body 13 close to the mist-water separator.
A dewatering discharge opening is arranged on the tower body 13 close to the air outlet 2.
The tower body 13 includes a middle portion having a rectangular longitudinal section, the front and rear portions are connected to both sides of the middle portion, the front and rear portions are each of a hexahedral structure, four side surfaces of the hexahedral structure are each of a trapezoid shape, a bottom surface having a large area of the hexahedral structure is connected to the middle portion, and an air inlet and an air outlet are respectively provided on the bottom surface having a small area of the hexahedral structure.
The utility model discloses the circulating pump adopts anticorrosive vertical water pump: power 5HP, flow 580L/min, head 31 m; PVDF plastic steel material is adopted for injection molding, so that most of acid and alkali liquor can be resisted; is suitable for various acid-alkali liquor circulation, cooling, spray washing equipment, waste gas tower and waste water treatment.
The utility model discloses the theory of operation does: waste gas is sucked into a cavity (namely an inner cavity of the tower body 13) in the spray tower, alkali liquor sprayed from the middle upper part of the cavity (namely the alkali liquor sprayed from the nozzle) is mixed, is absorbed by a water film and is settled in the liquid storage tank, and meanwhile, acid gas in the waste gas is captured by the water film and is contacted to generate chemical reaction to neutralize the waste gas; the gas after preliminary purification continues to rise and enters the packing area, due to the special structure of the packing area and the obstruction of the polyhedral balls, the gas is turbulent due to atomized spraying liquid from top to bottom and from left to right of the spraying device, the gas collides with the balls, so that the gas (acid and alkali) is fully contacted, absorbed, purified (neutralized) and settled, and meanwhile, the gas flow rises, and the purification effect is further deepened; the purified gas continuously rises and enters a fog-water separator at the top of the tower, the moisture in the gas is separated out, the gas further enters an activated carbon adsorption box for neutralization and adsorption, and the waste gas is led out by a fan after being purified and is discharged into the atmosphere from an air outlet of the fan.
Example 2
An acid mist waste gas treatment system is shown in fig. 3, and comprises a fume hood 24, an exhaust duct 22, a horizontal spray tower 21, an exhaust fan 18 and a chimney air duct 19 which are communicated in sequence in the embodiment 1; an air volume adjusting valve 23 is arranged at the joint of the fume hood 24 and the exhaust pipe 22, the exhaust pipe 22 is connected with an air inlet of the horizontal spray tower, and the exhaust fan 18 is connected with an air outlet of the horizontal spray tower 21 through a pipeline.
The top of the chimney air pipe 19 is provided with a rain-proof cap 20.
The exhaust pipe 22 is connected with an air inlet of the horizontal spray tower 21 and is provided with a first sealing connector 25, and a second sealing connector 26 is arranged at an inlet of the exhaust fan 18.
Description of the exhaust gas treatment Process:
waste gas enters the tower body after being collected by the exhaust pipe, and the mass concentration ratio of the waste gas is sprayed and washed by hydrogen peroxide and caustic soda solution in the tower: hydrogen peroxide: caustic soda = 1: 15, the concentration of caustic soda is 10 percent; after the waste gas is treated by the two-stage waste gas treatment tower, the wastewater is dehydrated and discharged by a chimney with the length of 20 meters.
The environmental protection requirement of waste gas emission is as follows: HCL is less than 100mg/m3, the emission rate is 0.65kg/h, NOX is less than 100, the emission rate is 0.20kg/h, and the two-stage emission standard meets the comprehensive emission standard of atmospheric pollutants (GB 16297-1996).
Claims (9)
1. A horizontal spray tower comprises a tower body, wherein two side surfaces of the tower body opposite to each other are respectively provided with an air inlet (1) and an air outlet (2); the bottom of the inner cavity of the tower body is provided with a liquid storage tank (9), and the tower body is characterized in that an air inlet area (16), a filler area (11), a buffer area (15) and a fog and water separation area (17) are sequentially arranged in the tower body from an air inlet (1) to an air outlet (2); the packing area (11) is obliquely arranged, a first packing layer (11-1), a second packing layer (11-2) and a third packing layer (11-3) are arranged in the packing area (11), and the three packing layers are separated by an obliquely arranged partition plate; the top of the filling area (11) and one side surface close to the air inlet area (16) are respectively provided with a spraying device (12), and the spraying devices (12) are communicated with the liquid storage tank (9) through a circulating pump (8).
2. A horizontal spray tower according to claim 1, wherein the packing area (11) comprises a grid plate (10) fixed in the tower interior, on which grid plate the packing is laid.
3. The horizontal spray tower according to claim 1, wherein the liquid reservoir (9) is in communication with a liquid inlet of a circulation pump (8), the liquid outlet of the circulation pump (8) being in communication with a plurality of circulation pipes, each circulation pipe being in communication with a plurality of nozzles.
4. The horizontal spray tower of claim 1, wherein a dosing port (7) is formed in one side of the tower body, and the dosing port (7) is communicated with a liquid storage tank (9).
5. The horizontal spray tower of claim 1, wherein the top of the tower body is provided with a plurality of filler feed inlets (6).
6. The horizontal spray tower of claim 1, wherein the tower body is provided with a dehydration access hole (3).
7. The horizontal spray tower of claim 1, wherein a dehydration discharge opening (4) is formed on the tower body close to the air outlet (2).
8. An acid mist waste gas treatment system, which is characterized by comprising a fume hood (24), an exhaust duct (22), the horizontal spray tower (21) of one of claims 1 to 7, an exhaust fan (18) and a chimney air duct (19) which are communicated in sequence; and an air volume adjusting valve (23) is arranged at the joint of the fume hood (24) and the exhaust pipe (22), the exhaust pipe (22) is connected with an air inlet of the horizontal spray tower (21), and the exhaust fan (18) is connected with an air outlet of the horizontal spray tower (21).
9. The acid mist waste gas treatment system of claim 8, wherein a rain hat (20) is arranged on the top of the chimney flue pipe (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020862255.XU CN212309314U (en) | 2020-05-21 | 2020-05-21 | Horizontal spray tower and acid mist exhaust treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020862255.XU CN212309314U (en) | 2020-05-21 | 2020-05-21 | Horizontal spray tower and acid mist exhaust treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212309314U true CN212309314U (en) | 2021-01-08 |
Family
ID=74022919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020862255.XU Expired - Fee Related CN212309314U (en) | 2020-05-21 | 2020-05-21 | Horizontal spray tower and acid mist exhaust treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212309314U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114245756A (en) * | 2021-11-11 | 2022-03-25 | 无锡星亿智能环保装备股份有限公司 | Horizontal waste gas purifying tower |
-
2020
- 2020-05-21 CN CN202020862255.XU patent/CN212309314U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114245756A (en) * | 2021-11-11 | 2022-03-25 | 无锡星亿智能环保装备股份有限公司 | Horizontal waste gas purifying tower |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210108 |