CN203017973U - Foul gas deodorization device for sewage treatment plant - Google Patents

Foul gas deodorization device for sewage treatment plant Download PDF

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Publication number
CN203017973U
CN203017973U CN 201320022232 CN201320022232U CN203017973U CN 203017973 U CN203017973 U CN 203017973U CN 201320022232 CN201320022232 CN 201320022232 CN 201320022232 U CN201320022232 U CN 201320022232U CN 203017973 U CN203017973 U CN 203017973U
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CN
China
Prior art keywords
gas
treatment plant
sewage treatment
exchange system
foul gas
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Expired - Fee Related
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CN 201320022232
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Chinese (zh)
Inventor
秦丽娟
吴刚
王之峰
李菲
杨丽鑫
杨健
王公甫
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HUEYA ENVIRONMENT ENGINEERING Co Ltd
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HUEYA ENVIRONMENT ENGINEERING Co Ltd
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Priority to CN 201320022232 priority Critical patent/CN203017973U/en
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Publication of CN203017973U publication Critical patent/CN203017973U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a foul gas deodorization device for a sewage treatment plant, which comprises an air scrubbing tower and a multiphase exchange system, wherein the air scrubbing tower is in a hollow structure; a drain outlet is formed at the bottom of the air scrubbing tower; an exhaust port is formed at the top end of the air scrubbing tower; an air inlet is formed above the drain outlet; a packing layer is arranged in the air scrubbing tower, positioned above the air inlet, and supported by a tray; a space below the tray forms an inlet chamber; a gas-liquid separation layer is arranged at the end close to the exhaust port above the packing layer; a purge pipe is arranged above the gas-liquid separation layer; a spray pipe is arranged between the packing layer and the gas-liquid separation layer; the multiphase exchange system is in an enclosed box structure; an inlet formed at the bottom of the multiphase exchange system is communicated with the exhaust port of the air scrubbing tower; a plurality of purifying and deodorization medium polymerization plates are arranged in the multiphase exchange system; and an outlet formed at the top of the multiphase exchange system is communicated with the atmosphere. The foul gas deodorization device for the sewage treatment plant has the characteristics of high efficiency, maturity, and simple operation and management, and is particularly suitable for treatment of strong odor and foul odor environments.

Description

A kind of sewage treatment plant foul gas odor removal
Technical field
The utility model relates to the associated products processing technology field of sewage disposal, is specifically related to a kind of sewage treatment plant foul gas odor removal.
Background technology
Foul gas pollutes and refers to that all stimulate olfactory organ to cause the gaseous matter that people are unhappy and damage living environment.It is generally acknowledged by countries in the world as a kind of typical environmental hazard, and many developed countries are studied it as a kind of single-row public hazards, and control is implemented in special legislation.Abroad the control of odor pollution is also carried out early, in Japanese and American-European a plurality of industrial circles, adopted as existing in technology such as fixed-bed type charcoal absorption deodorizations certain historical.In recent years, China also begins to pay attention to monitoring and the control to stench, discharge standard (GB14554-93) and the supporting analytical method of part malodorous compound have been worked out, one of prevention target of odor pollution will reach odorant (ammonia, trimethylamine, hydrogen sulfide, first sulphur hydrogen, methyl mercaptan, methyl sulfide, methyl disulfide, carbon disulfide and the styrene etc.) discharge standard of GB14554-93 regulation exactly, final purpose is to eliminate stench, creates work, the living environment of an odorless.
The conventional art that foul gas is controlled has absorption, absorption, oxidation, burning, biological treatment etc.The efficient that these methods are removed foul waste gas can reach the 80%-90% left and right, but exist cost high, the shortcoming that water loss is large, and the foul gas for middle and high concentration, according to Weber-Fechner law I=K * logC, when foul gas concentration clearance reaches 90%, therefore people's sensation intensity half left and right that only descended is strengthened the improvement of foul gas is seemed particularly important.
The utility model content
The technical problems to be solved in the utility model is the odor removal high and simple in structure less than odor removal efficient also in prior art.
In order to solve the problems of the technologies described above, the utility model provides a kind of sewage treatment plant foul gas odor removal, and this device comprises: air scrubber and heterogeneous exchange system, wherein,
Air scrubber is hollow structure, the bottom is provided with sewage draining exit, the top is provided with exhaust outlet, air inlet is located at sewage draining exit top, and air scrubber inside is provided with packing layer, and packing layer is positioned at the air inlet top and by tray support, the space of pallet below forms an inlet plenum, the gas-liquid separation layer is located at the nearly exhaust port side of packing layer top, and the top of gas-liquid separation layer is provided with scavenge pipe, is provided with shower between packing layer and gas-liquid separation layer;
Heterogeneous exchange system is communicated with the exhaust outlet of air scrubber for sealing box structure, its import of being located at the bottom, and the outlet of being located at the top is communicated with atmosphere, and heterogeneous exchange system inside is provided with polylith deodourizing medium polymeric plate.
Preferably, described packing layer is the ceramic packing layer.
Preferably, described gas-liquid separation layer is that the single-stage "the" shape pottery of transversely arranged a plurality of vertical placements takes off the mist plate.Pottery takes off that the mist plate structure is simple, and processing and fabricating is easy, easily rinses, and the scope of application is wider.
Preferably, to take off the distance between the mist plate be 20mm to adjacent pottery.
Preferably, load cleaning solution or absorption liquid in described scavenge pipe and shower.
Preferably, described pallet is porous plate, and is supported by the bracing frame of being combined with air scrubber tower wall.
The beneficial effects of the utility model: sewage treatment plant's foul gas odor removal that the utility model provides is high for the foul gas odor removal efficient that sewage treatment plant produces, structural design is ripe, operational administrative is simple, is very suitable for the processing of smelly, stench environment by force.
Description of drawings
Fig. 1 is sewage treatment plant's foul gas odor removal structural representation.
Fig. 2 is that the pottery of gas-liquid separation layer takes off mist plate longitudinal profile structural representation.
Fig. 3 is the holding tray surface structural representation.
The component symbol explanation:
1 air scrubber; 11 sewage draining exits;
12 exhaust outlets; 13 air inlets;
14 packing layers; 15 pallets;
16 inlet plenums; 17 gas-liquid separation layers;
171 potteries take off the mist plate; 18 scavenge pipes;
19 showers; 2 heterogeneous exchange systems;
21 imports; 22 deodourizing medium polymerization versions;
23 outlets; 24 switch boards.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, so that those skilled in the art can understand the utility model and being implemented better, but illustrated embodiment is not as to restriction of the present utility model.
According to the process of sewage disposal, foul smell produces the source and mainly is divided into sewage disposal system and sludge treating system.Odor source in sewage disposal system mainly is distributed in sewage water place, pretreatment, primary treatment and filter back washing liquid, Treatment of Sludge supernatant etc., and the stirring of aeration tank and oxygenation also can the generating portion foul smell.Foul smell in sludge treating system source is distributed in mainly that mud is concentrated, sludge dewatering and mud after anaerobic digestion are stacked, the outward transport process, due to unstable mud is compressed, shear action, produce protein-based biopolymer, it decomposes a large amount of foul smell of generation.Different processing structures can be selected different gas collecting modes, collecting the most effective mode for the foul gas of pond body class structures is to carry out the pond body to add a cover, carry out airtight, take a breath by centrifugal blower again, foul gas is pumped in controlling device process, the mode of adding a cover can be selected the method for light weight, corrosion resistant fluorine-carbon fibre membrane inflatable, stretching type or brace type.Workshop and pump house class structures can carry out the collection of point source foul gas by the choice set gas hood, deliver to sewage treatment plant of the present utility model foul gas odor removal and carry out purified treatment.
The foul gas of collecting is delivered to the air inlet 13 of air scrubber 1 through blower fan, because sectional area becomes large, gas flow rate diminishes at air inlet 13 places, for follow-up gas distribution and reaction provide advantage, and foul gas density ratio air is little, moves up in inlet plenum 16, enters reaction zone.Reaction zone comprises the support tray 15 of being combined with the tower wall of packing layer 14 and lower floor thereof.Filler type selecting: owing to not containing dust and tar in foul gas, dirty stifled phenomenon is not serious, and consider corrosion resistance and price, so selection ceramic packing, filler is mainly as conversion zone, its pallet uses the porous plate that can guide gas flow of improved, on the support frame structure that level is shelved on air scrubber is combined.Pallet 15 is simultaneously as air-distribution device, this air-distribution device is necessary for improving absorption efficiency, except make between packing layer and shower 19 main jet that forms drench district's smoke distribution evenly, pallet 15 makes also that the interior mobile absorption liquid of foul gas and shower 19 or cleaning solution form on pallet liquid film zone is fully contacted.Foul gas and cleaning solution are after packing layer 14 places contact, cleaning solution enters inlet plenum 16 because of Action of Gravity Field, discharge from sewage draining exit 11, part cleaning solution is combined with foul gas and is formed water smoke continuation rising, enters gas-liquid separation layer 17, and gas-liquid separation layer 17 takes off mist plate 171 for the single-stage "the" shape pottery of transversely arranged a plurality of vertical placements, spacing is the 20mm left and right, in water smoke, moisture is trapped within pottery and takes off in mist plate 171, and gas is discharged by exhaust outlet, enters heterogeneous exchange system.Long-term operation gas-liquid separation layer may produce fouling, needs situation stifled according to dirt to open the scavenge pipe 18 of being located at gas-liquid separation layer top, and cleaning ceramic takes off the gas-liquid separation layer that the mist plate consists of.Air scrubber has good removal effect for foul gas, can select different cleaning solutions according to the variety classes of foul gas.Can effectively remove NH 3, H 2All kinds of odorous substances such as S, alcohols, ethers, hydro carbons, clearance can reach 90%.
heterogeneous exchange system 2 is the sealing box-structure, its bottom is provided with import 21, outlet 23 is located at the top and is communicated with atmosphere, discharging polylith deodourizing medium polymeric plate 22 in fully sheathed case, this deodourizing medium polymeric plate is by consisting of with the material that the different molecular that produces stink reacts, for example can select Germany to consist of than this gelactiv solid deodorizer of the Australia base of a fruit, its products material adopts the gelatin polymer of extracted form natural plant, nontoxic, contain saturated or undersaturated aldehyde in deodourizing medium polymeric plate, ester and ketone etc., slowly distribute the deodorizing factor, hydrogen sulfide in these deodorizing factors and foul smell, the poisonous and harmful substance such as ammonia and amine generation chemical reaction generates nontoxic arene compound, the airborne eight large odor causing substance (hydrogen sulfide that the city crowd is often faced, ammonia, methyl mercaptan, potassium sulfide, titanium dioxide potassium, trimethylamine, acetic acid, styrene) caused stink source has effective degraded or neutralization.
Be drawn into the foul gas that comes and pass through successively from bottom to top each deodourizing medium polymeric plate, complete the gas-solid exchange on polymeric plate surface and volatile substance, and carry the deodorizing factor and discharge, the gas that carries the deodorizing factor of discharging exchanges with foul gas generation gas phase in air again, and heterogeneous reaction has improved the efficient of deodorizing.Be suitable for little odour environment or use as the deodorizing two stage treatment, and the polymeric plate of high concentration has the smell compensating action.Heterogeneous exchange system not only can be used for further removing odorant after air scrubber, and the odorous substance clearance is reached more than 95%, really reaches the effect that purifies air, can also be used for separately little smelly environment, simple to operate, easy for installation, good deodorization effect.
The import 21 of heterogeneous exchange system also can be integrated in a switch board 24 by pipeline with outlet 23, is convenient to unified by-pass cock operation.
The above embodiment is the preferred embodiment that proves absolutely that the utility model is lifted, and protection domain of the present utility model is not limited to this.Being equal to that those skilled in the art do on the utility model basis substitutes or conversion, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.

Claims (6)

1. sewage treatment plant's foul gas odor removal, is characterized in that, comprising: air scrubber and heterogeneous exchange system, wherein,
Air scrubber is hollow structure, the bottom is provided with sewage draining exit, the top is provided with exhaust outlet, air inlet is located at sewage draining exit top, and air scrubber inside is provided with packing layer, and packing layer is positioned at the air inlet top and by tray support, the space of pallet below forms an inlet plenum, the gas-liquid separation layer is located at the nearly exhaust port side of packing layer top, and the top of gas-liquid separation layer is provided with scavenge pipe, is provided with shower between packing layer and gas-liquid separation layer;
Heterogeneous exchange system is communicated with the exhaust outlet of air scrubber for sealing box structure, its import of being located at the bottom, and the outlet of being located at the top is communicated with atmosphere, and heterogeneous exchange system inside is provided with polylith deodourizing medium polymeric plate.
2. sewage treatment plant according to claim 1 foul gas odor removal, is characterized in that, described packing layer is the ceramic packing layer.
3. sewage treatment plant according to claim 1 foul gas odor removal, is characterized in that, described gas-liquid separation layer is that the single-stage "the" shape pottery of transversely arranged a plurality of vertical placements takes off the mist plate.
4. sewage treatment plant according to claim 3 foul gas odor removal, is characterized in that, the distance that adjacent pottery takes off between the mist plate is 20mm.
5. sewage treatment plant according to claim 1 foul gas odor removal, is characterized in that, loads cleaning solution or absorption liquid in described scavenge pipe and shower.
6. sewage treatment plant according to claim 1 foul gas odor removal, is characterized in that, described pallet is porous plate, and supported by the bracing frame of being combined with air scrubber tower wall.
CN 201320022232 2013-01-16 2013-01-16 Foul gas deodorization device for sewage treatment plant Expired - Fee Related CN203017973U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320022232 CN203017973U (en) 2013-01-16 2013-01-16 Foul gas deodorization device for sewage treatment plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320022232 CN203017973U (en) 2013-01-16 2013-01-16 Foul gas deodorization device for sewage treatment plant

Publications (1)

Publication Number Publication Date
CN203017973U true CN203017973U (en) 2013-06-26

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103551008A (en) * 2013-11-13 2014-02-05 苏州依斯倍化学环保装备科技有限公司 Washing device of volatile gas
CN108355464A (en) * 2018-04-27 2018-08-03 马鞍山金安环境科技有限公司 A kind of stuffing spray-washing sewage deodorizing device
CN113304594A (en) * 2021-04-16 2021-08-27 光大环境修复(江苏)有限公司 Deodorization fan, deodorization system and treatment method for landfill gas

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103551008A (en) * 2013-11-13 2014-02-05 苏州依斯倍化学环保装备科技有限公司 Washing device of volatile gas
CN108355464A (en) * 2018-04-27 2018-08-03 马鞍山金安环境科技有限公司 A kind of stuffing spray-washing sewage deodorizing device
CN113304594A (en) * 2021-04-16 2021-08-27 光大环境修复(江苏)有限公司 Deodorization fan, deodorization system and treatment method for landfill gas

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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: 20130626

Termination date: 20210116