CN204017639U - Water film type acid mist absorbing device - Google Patents
Water film type acid mist absorbing device Download PDFInfo
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- CN204017639U CN204017639U CN201420505064.2U CN201420505064U CN204017639U CN 204017639 U CN204017639 U CN 204017639U CN 201420505064 U CN201420505064 U CN 201420505064U CN 204017639 U CN204017639 U CN 204017639U
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- acid mist
- tower body
- absorbing device
- moisture film
- water
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Abstract
A water film type acid mist absorbing device, has solved that traditional fountain acid mist absorbing device nozzle easily stops up that work is unreliable, complex structure, technical problem that water consumption is large.Acid mist absorbent portion is set in the tower body of this water film type acid mist absorbing device, acid mist absorbent portion comprises the pallet of tower body internal upper part carrying moisture film, tray edge is connected with tower body inner wall sealing, upper and lower both sides are communicated with by mozzle, the top that this mozzle stretches out moisture film is provided with acid mist kuppe, the lower end in acid mist kuppe outside is stretched under moisture film liquid level, is also provided with overflow pipe on pallet, and described acid solution outlet is connected the absorption water inlet that is arranged on tower body top with circulation pipe by acid-proof pump.Can effectively absorb acid mist and form acidic liquid, can directly deliver to complex acid tank continues to use, and acid mist absorbs and to become environmental protection gas to enter atmosphere free from environmental pollution through moisture film, parts can, because Corrosion blockage also greatly reduces water consumption simultaneously, not play the effect of water-saving yet.
Description
Technical field
The utility model relates to the treatment facility of industrial discharge acid mist, particularly a kind of water film type acid mist absorbing device that acid mist gas is reclaimed of being suitable for.
Background technology
At present, a large amount of chemical reaction process processes, in the production technology of the industries such as chemical industry, pharmacy, metallurgical cold-rolling pickling, plating, is contained in China, forms exothermic reaction or heating fast reaction, has produced in process of production a large amount of acid mist gases.This acid mist gas must carry out harmless treatment and absorption, and the domestic method generally adopting is acid mist gas to be sent into scrubbing tower by air exhauster and carry out neutralisation treatment and spray-absorption.Traditional scrubbing tower top is provided with one-level or secondary shower and some spray nozzles, spray pipe structure has snake-coiled type, fish bone like, rice word formula etc., and gas is carried out to spray-absorption, has put into filler in tower, tower bottom is established alkali and is stirred neutralization chamber, and circulated sprinkling water is neutralized.Take fan delivery 20000m3 as example, and shower water consumption per hour is 60～80 m3, and the acid mist absorption water of generation is regularly delivered to neutralisation treatment station and carried out acid-base neutralization discharge.Although this scrubbing tower can absorb processing to acid mist gas, but, nozzle in scrubbing tower can be by the impurity Corrosion blockage of acid solution through long-time use, cause cisco unity malfunction, and it is large to change nozzle difficulty, if often do not change nozzle, the gas that enters atmosphere after this scrubbing tower processing can not reach discharge standard.Along with reform and opening-up is further goed deep into; promote industry fast-developing; country is also stricter to the requirement of environmental protection; therefore adopt traditional spray mode acid mist scrubbing tower can not meet the requirement of environment protection emission; in order to improve the ecological environment; carrying out of the principles and policies that the saving of promotion country reduces discharging, the application proposes new scheme to acid mist absorbing device.
Summary of the invention
The purpose of this utility model is to provide a kind of water film type acid mist absorbing device, has solved that traditional fountain acid mist absorbing device nozzle easily stops up that work is unreliable, complex structure, technical problem that water consumption is large, can effectively to acid mist, recycle.
The technical scheme that the utility model adopts is: this water film type acid mist absorbing device comprises with acid mist entrance, the tower body of acid solution outlet and gas vent, acid mist absorbent portion is set in tower body, its technical essential is: acid mist absorbent portion comprises the pallet that is arranged on tower body internal upper part carrying moisture film, tray edge is connected with tower body inner wall sealing, on, lower both sides are communicated with by mozzle, the top that this mozzle stretches out moisture film is provided with acid mist kuppe, the lower end in acid mist kuppe outside is stretched under moisture film liquid level, on pallet, be also provided with overflow pipe, described acid solution outlet is connected the absorption water inlet that is arranged on tower body top with circulation pipe by acid-proof pump.
The thickness of described moisture film is 5 millimeters to 15 millimeters.
The pallet of described carrying moisture film is one deck or two-layer, arranges from top to bottom.
The pallet of described carrying moisture film is at least three layers, arranges from top to bottom.
Described absorption water inlet is higher than the position of described acid mist absorbent portion.
Between described gas vent and acid mist absorbent portion, gas-liquid separator is set.
Described tower body sidewall is provided with the peep hole of observing tower body inside.
The good effect the utlity model has is: because the acid mist absorbent portion of the utility model water film type acid mist absorbing device adopts, be arranged on the support holder structure that carries moisture film in tower body, by mozzle and acid mist kuppe, acid mist is imported to moisture film, moisture film absorbs acid mist and gas is discharged by gas vent, so not only effectively absorb acid mist and formed acidic liquid, and acid mist absorbs and to become environmental protection gas to enter atmosphere free from environmental pollution through moisture film, avoided traditional spray process, often, by impurity plug nozzle phenomenon, to user, reduce maintenance frequency.Adopt multilayer moisture film pallet and loop structure can make effectively enrichment successively of sour water, directly deliver to complex acid tank and continue to use, do not need to deliver to again neutralisation treatment station and add alkali neutralization.This apparatus structure is simple, easy to maintenance, without dead angle, absorbs, and good absorbing effect, can permanently effectively be used, and parts can not play the effect of water-saving because Corrosion blockage also greatly reduces water consumption simultaneously yet, fully implements country and saves the policy reducing discharging.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is a kind of overall structure schematic diagram of the present utility model;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 is that the acid mist absorbent portion acid mist of Fig. 2 flows to schematic diagram.
Sequence number explanation in figure: 1 tower body, 2 gas vents, 3 gas-liquid separators, 4 acid mist absorbent portions, 5 peep holes, 6 recirculated water entrances, 7 mudholes, 8 storage sour water ponds, 9 acid-proof pumps, 10 acid solution outlets, 11 liquid level gauges, 12 acid mist entrances, 13 circulation pipes, 14 absorb water inlet, 41 moisture films, 42 kuppes, 43 mozzles, 44 overflow pipes, 45 pallets.
The specific embodiment
According to Fig. 1～3, describe concrete structure of the present utility model in detail, as illustrated in fig. 1 and 2, this water film type acid mist absorbing device monnolithic case is turriform, at tower body 1 internal upper part, acid mist absorbent portion 4 is set, acid mist absorbent portion comprises the pallet 45 that carries moisture film, this moisture film 41 is the thin water layer of pallet carrying, the thickness of moisture film is 5 millimeters to 15 millimeters, pallet 45 edges are connected with tower body 1 inner wall sealing, pallet upper, lower both sides are communicated with by mozzle 43, mozzle top is higher than moisture film 41, the top that this mozzle 43 stretches out moisture film 41 is provided with acid mist kuppe 42, acid mist kuppe covers on mozzle 43 outlets downwards and has gap that acid mist is passed through with mozzle 43 outlet intervals, the lower end in acid mist kuppe 42 outsides is stretched under moisture film 41 liquid levels, on pallet 45, be also provided with overflow pipe 44, when the height of moisture film 41 is discharged by overflow pipe over 44 of overflow pipes.Pallet 45 can adopt heatproof, resistant material to make, as PPH modified polypropene.
Tower body 1 upper end arranges gas vent 2, between gas vent and acid mist absorbent portion 4, gas-liquid separator 3 is set, and gas-liquid separator can adopt commercially available existing gas-liquid separator, for the moisture of vaporific vapour is separated from the gas; Acid mist absorbent portion 4 belows of tower body 1 arrange acid mist entrance 12; Tower body bottom is storage sour water pond 8, near storage lower end, sour water pond, acid solution outlet 10 is set, storage bottom, sour water pond is also provided with mudhole 7, acid solution outlet 10 is connected by the acid-proof pump 9 connecting the absorption water inlet 14 that is arranged on tower body top with circulation pipe 13, this absorbs water inlet 14 positions higher than the position of described acid mist absorbent portion 4.
Further, the pallet 45 of carrying moisture film can adopt one deck, two-layer or at least three layers, arranges from top to bottom, can carry out multi-level absorption to acid mist like this.
More specifically, described tower body sidewall is also provided with recirculated water entrance 6, for filled with water in tower body; Tower body sidewall is provided with the peep hole 5 of observing tower body inside, and there is liquid level gauge 11 tower body bottom for storing sour water pond arranged outside.
The course of work and principle, acid mist enters in tower body through the acid mist entrance 12 of tower body, as shown in Figure 3, the direction of arrow is acid mist flow direction, acid mist upwards enters pallet 45 bottoms of acid mist absorbent portion, then enters mozzle 43, then enters moisture film 41 through acid mist kuppe 42 water conservancy diversion, acid in acid mist is absorbed by moisture film, and fog continues upwards through gas-liquid separator separates moisture, finally by exhaust outlet, to be discharged.By adjusting send the fan delivery of acid mist and blast acid mist absorbent portion can be arranged to one deck, pallet two-layer or multilayer carrying moisture film carries out successively acid mist being absorbed, the sour water that upper strata moisture film absorbs, by overflow pipe, flow into lower floor's moisture film downwards, again acid mist is absorbed, in orlop moisture film, acid concentration is the highest, this sour water can directly be sent into complex acid tank and re-use, and does not need to deliver to neutralisation treatment station again and adds alkali neutralization.This device film forming water consumption is 10 Li Fang meter ∕ hour, and water consumption, than traditional spray-absorption method using water wisely 80%, is significantly less than the water consumption on the sour water absorption tower that adopts spray structure.By multilayer moisture film, absorb, acid mist all contacts with moisture film, there is no dead angle, and good absorbing effect sampled through 24 hours before chimney breast, and repeatedly analytical test all reaches discharging standards, fully implements country and saves the policy reducing discharging.
Claims (7)
1. a water film type acid mist absorbing device, comprise with acid mist entrance, the tower body of acid solution outlet and gas vent, acid mist absorbent portion is set in tower body, it is characterized in that: acid mist absorbent portion comprises the pallet that is arranged on tower body internal upper part carrying moisture film, tray edge is connected with tower body inner wall sealing, on, lower both sides are communicated with by mozzle, the top that this mozzle stretches out moisture film is provided with acid mist kuppe, the lower end in acid mist kuppe outside is stretched under moisture film liquid level, on pallet, be also provided with overflow pipe, described acid solution outlet is connected the absorption water inlet that is arranged on tower body top with circulation pipe by acid-proof pump.
2. water film type acid mist absorbing device according to claim 1, is characterized in that: the thickness of described moisture film is 5 millimeters to 15 millimeters.
3. water film type acid mist absorbing device according to claim 1, is characterized in that: the pallet of described carrying moisture film is one deck or two-layer, arranges from top to bottom.
4. water film type acid mist absorbing device according to claim 1, is characterized in that: the pallet of described carrying moisture film is at least three layers, arranges from top to bottom.
5. water film type acid mist absorbing device according to claim 1, is characterized in that: described this absorption water inlet position is higher than described acid mist absorbent portion.
6. water film type acid mist absorbing device according to claim 1, is characterized in that: between described gas vent and acid mist absorbent portion, gas-liquid separator is set.
7. water film type acid mist absorbing device according to claim 1, is characterized in that: described tower body sidewall is provided with the peep hole of observing tower body inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420505064.2U CN204017639U (en) | 2014-09-03 | 2014-09-03 | Water film type acid mist absorbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420505064.2U CN204017639U (en) | 2014-09-03 | 2014-09-03 | Water film type acid mist absorbing device |
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| Publication Number | Publication Date |
|---|---|
| CN204017639U true CN204017639U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420505064.2U Active CN204017639U (en) | 2014-09-03 | 2014-09-03 | Water film type acid mist absorbing device |
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| CN (1) | CN204017639U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108144385A (en) * | 2018-01-18 | 2018-06-12 | 邯郸钢铁集团有限责任公司 | A kind of circulating water membranous type acid mist purifying tower |
-
2014
- 2014-09-03 CN CN201420505064.2U patent/CN204017639U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108144385A (en) * | 2018-01-18 | 2018-06-12 | 邯郸钢铁集团有限责任公司 | A kind of circulating water membranous type acid mist purifying tower |
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