CN201200855Y - Coking waste gas washing and purifying device - Google Patents
Coking waste gas washing and purifying device Download PDFInfo
- Publication number
- CN201200855Y CN201200855Y CNU200820111785XU CN200820111785U CN201200855Y CN 201200855 Y CN201200855 Y CN 201200855Y CN U200820111785X U CNU200820111785X U CN U200820111785XU CN 200820111785 U CN200820111785 U CN 200820111785U CN 201200855 Y CN201200855 Y CN 201200855Y
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- China
- Prior art keywords
- water
- layer
- waste gas
- tower body
- coking waste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002912 waste gas Substances 0.000 title claims abstract description 25
- 238000004939 coking Methods 0.000 title claims abstract description 23
- 238000005406 washing Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 239000007921 spray Substances 0.000 claims description 30
- 125000004122 cyclic group Chemical group 0.000 claims description 9
- 238000001914 filtration Methods 0.000 abstract description 13
- 238000000746 purification Methods 0.000 abstract description 8
- 239000002351 wastewater Substances 0.000 abstract description 5
- 238000005507 spraying Methods 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 9
- 239000000945 filler Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000000505 pernicious effect Effects 0.000 description 4
- 239000000779 smoke Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- -1 Benzene hydrocarbons Chemical class 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 101710089042 Demethyl-4-deoxygadusol synthase Proteins 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 201000005202 lung cancer Diseases 0.000 description 1
- 208000020816 lung neoplasm Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model discloses a coking waste gas washing and purifying device, which comprises a tower body, a filtering water tank and a circulating pump; the tower is characterized in that the bottom of the tower body is provided with an air inlet, the top of the tower body is provided with an air outlet, at least two water spraying layers are sequentially arranged in the tower body from bottom to top, and a filling layer is arranged between every two adjacent water spraying layers; the bottom of the tower body is communicated with a filtering water tank, the filtering water tank is connected with at least one circulating pump through a circulating water inlet pipeline, and the circulating pump is simultaneously connected with each water spraying layer through a circulating water outlet pipeline; a demisting layer is arranged below the air outlet at the top of the tower body. The utility model can fully mix the coking waste gas and water, and improve the purification rate; the utilization rate of water resources is also improved, and the overall purification efficiency is improved to a certain extent.
Description
Technical field
The utility model relates to a kind of coking waste gas washing purifying device.
Background technology
Dust and waste gas occupy bigger proportion in the harmful substance of discharging in the coking production process, be mainly derived from fully between coal car, between coking workshop, chemical products recovery vehicle and refining workshop, these pollutants mainly contain solid suspension (TSP), benzene DDGS (BSO), BaP (BaP), SO
2, NOX, H
2S, CO, NH
3, HCN and C
6H
5OH, C
5H
5Benzene hydrocarbons such as N, wherein BSO, BaP are serious carcinogens, cause lung cancer of workers in production's the incidence of disease higher, and the CnHm compound is serious to the health influence, a large amount of air of sucking of contained phenol in the steam, sulfide, cyanide, carbon monoxide and tens kinds of organic compounds and quenching tower open at both ends form mixed airflows in addition, carry a large amount of water droplets and coke powder secretly and overflow, easily form pollution atmosphere from cat head.
Certainly in order to control above-mentioned emission of harmful substances, method commonly used at present is exactly that dust and waste gas that each workshop produces are concentrated discharging by unified pipeline, and is collected into special cleaning equipment, carries out purified treatment as filtration tank.Yet there is following deficiency in this class of existing filtration tank based on the purifier of washing, first, its spray equipment usually is arranged in the middle of the body of the tower, and quantity has only one deck, makes that waste gas and water can not get mixing fully and causing purifying rate lower; The second, the water in the spray equipment can not be recycled, and is lower to the utilization rate of water resource, also influenced the whole purification efficiency of filtration tank to a certain extent.
Summary of the invention
The utility model purpose is: a kind of mixing intensity that can strengthen waste gas and water is provided, improves purifying rate, also can improve the coking waste gas washing purifying device of water utilization rate simultaneously.
The technical solution of the utility model is: a kind of coking waste gas washing purifying device comprises tower body, water tank with strainer and circulating pump; The bottom that it is characterized in that described tower body is provided with air inlet, and the top is provided with exhaust outlet, and body of the tower inside is furnished with two-layer at least water spray layer from down to up successively, is furnished with packed layer between two adjacent water spray layers; The body of the tower bottom is communicated with water tank with strainer, and water tank with strainer connects at least one circulating pump through being recycled into water lines, and circulating pump connects aforementioned each water spray layer simultaneously through the cyclic water outlet pipeline; The exhaust outlet below at tower body top also is provided with the demist layer.
Water spray layer described in the utility model is made of staggered and the water pipe that is communicated with and several nozzles that are distributed on the water pipe, aforementioned circulating pump connects water pipe through the cyclic water outlet pipeline, certainly the specific design form of water spray layer is decided according to actual conditions, and follows prior art.
Packed layer in the utility model mainly is plastic filler matter such as Raschig ring as its filler of prior art, plays the pernicious gas that filters in the coking waste gas, and the effect that aqueous vapor is separated.Packed layer is arranged on the PP grid in the utility model, and PP grid bottom is further reinforced by the FRP grid, and main effect is that the packing material in the packed layer is further reinforced, and PP grid and FRP grid all have water-fast corrosion resistant characteristic.
Because in body of the tower, be furnished with two-layer at least water spray layer in the utility model, the mixing intensity of coking waste gas and water smoke increases, certainly will in discharging air-flow, to carry more aqueous vapor secretly, therefore the utility model is equipped with the drainage layer below each water spray layer, and the drainage layer mainly is made of materials such as aluminium yarn, wire gauze, zinc yarns as prior art; Playing filtering discharges the aqueous vapor in the air-flow and prevents the effect that the packed layer filler runs off.The demist layer of tower body top vent below mainly adopts demister of the prior art simultaneously, material also is a Raschig ring, further play filtering and discharge the effect of the water smoke in the air-flow, this demist layer also is arranged on the PP grid, and PP grid bottom is further reinforced by the FRP grid.
Tower body of the present utility model bottom also is provided with electronic level meter and automatic water-replenishing device, the electronic level meter detects and monitors the water yield in the tower, in case be lower than the standard water yield, the automatic water-replenishing device moisturizing is then arranged, effect is to keep normal work water yield continuous firing in circulating pump and the circulation line.Certain electronic level meter is originally as prior art, and automatic water-replenishing device comprises corresponding automatic pump and water pipe.
In the utility model when work,, coking waste gas enters from the air inlet of tower body bottom, upwards flow along body of the tower, with in the two-layer at least water spray layer that vertical direction is arranged from top to bottom the water of spray contact, polluter obtains sufficient mixed dissolution; Then again through two-layer at least drainage layer and at least the adsorption filtration of one deck packed layer eliminate pernicious gas, remove aqueous vapor through the demist metafiltration at last and discharge by the exhaust outlet at top, purifying rate is greatly improved.Sewage is then delivered to water tank with strainer via the tower body bottom and is carried out the blowdown processing, delivering to the water spray layer by circulating pump and corresponding circulating water line then continues to use, improve the utilization rate of water resource, also improved the purification efficiency of the utility model integral body to a certain extent.
The utility model advantage is:
1. the utility model makes coking waste gas fully be mixed with water owing to be furnished with two-layer at least water spray layer from the bottom to top successively in body of the tower, has improved purification intensity, has also improved the purification adsorption effectiveness of packed layer to a certain extent; Therefore make that whole purifying rate obtains raising.
2. the utility model has improved the utilization rate of water resource because discharge outlet is connected the circulation dredge pump with the water spray layer through circulation line, has also just improved the purification efficiency of the utility model integral body to a certain extent.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the utility model specific embodiment structural front view;
Fig. 2 is the body of the tower half sectional view of Fig. 1 embodiment;
Fig. 3 is the vertical view of Fig. 1.
Wherein: 1, tower body; 2, water tank with strainer; 3, circulating pump; 4, air inlet; 5, exhaust outlet; 6, water spray layer; 61, water pipe; 62, nozzle; 7, packed layer; 8, be recycled into water lines; 9, cyclic water outlet pipeline; 10, demist layer; 11, drainage layer; 12, PP grid; 13, FRP grid; 14, electronic level meter; 15, automatic water-replenishing device.
The specific embodiment
Embodiment: in conjunction with Fig. 1, Fig. 2 with Figure 3 shows that a kind of specific embodiment of present embodiment coking waste gas washing purifying device, it mainly by tower body 1, water tank with strainer 2, circulating pump 3, air inlet 4, exhaust outlet 5, water spray layer 6, water pipe 61, nozzle 62, packed layer 7, be recycled into water lines 8, cyclic water outlet pipeline 9, demist layer 10, drainage layer 11, PP grid 12, FRP grid 13,14, electronic level meter 14 and automatic water-replenishing device 15 these members and constitute.
The bottom of described tower body 1 is provided with air inlet 4, and the top is provided with exhaust outlet 5, and body of the tower inside is furnished with successively from down to up between 6, two water spray layer 6 of two-layer water spray layer and is furnished with packed layer 7; The body of the tower bottom is communicated with water tank with strainer 2, and water tank with strainer 2 connects a circulating pump 3 through being recycled into water lines 8, and circulating pump 3 connects aforementioned each water spray layer 6 simultaneously through cyclic water outlet pipeline 9; Exhaust outlet 5 belows at tower body top also are provided with demist layer 10.
Packed layer 7 in the utility model mainly is a Raschig ring as its filler of prior art, plays the pernicious gas that filters in the coking waste gas, and the effect that aqueous vapor is separated.Packed layer is arranged on the PP grid 12 in the utility model, and PP grid 12 bottoms are further reinforced by FRP grid 13, and main effect is that the packing materials in the packed layer 7 are further reinforced, and PP grid 12 and FRP grid 13 all have water-fast corrosion resistant characteristic.
Because in body of the tower, be furnished with two-layer water spray layer 6 in the utility model, the mixing intensity of coking waste gas and water increases, certainly will in discharging air-flow, to carry more aqueous vapor secretly, therefore the utility model is equipped with drainage layer 11 below each water spray layer 6, and drainage layer 11 mainly is made of materials such as aluminium yarn, wire gauze, zinc yarns as prior art; Playing filtering discharges the aqueous vapor in the air-flow and prevents the effect that packed layer 7 fillers run off.The demist layer 10 of tower body 1 top vent 5 belows mainly adopts demister of the prior art simultaneously, material also is plastic fillers such as Raschig ring, further play filtering and discharge the effect of the water smoke in the air-flow, this demist layer also is arranged on the PP grid 12, and PP grid 12 bottoms are further reinforced by FRP grid 13.
Tower body of the present utility model 1 bottom also is provided with electronic level meter 14 and automatic water-replenishing device 15, the water yield in 14 pairs of towers of electronic level meter detects and monitors, in case be lower than the standard water yield, automatic water-replenishing device 15 moisturizings are then arranged, keep normal work water yield continuous firing in circulating pump and the circulation line.
In the utility model when work,, coking waste gas enters from the air inlet 4 of tower body 1 bottom, upwards flow along body of the tower, with in the two-layer water spray layer 6 that vertical direction is arranged from top to bottom the water of spray contact, polluter obtains sufficient mixed dissolution; Eliminate pernicious gas through the adsorption filtration of two-layer drainage layer 11 and one deck packed layer 7 again then, discharged by the exhaust outlet 5 at top through demist layer 10 filtering aqueous vapor at last, purifying rate is greatly improved.Sewage is then delivered to water tank with strainer 2 via tower body 1 bottom and is carried out the blowdown processing, deliver to circulating pump 3 by being recycled into water lines 8 then, delivering to water spray layer 6 through cyclic water outlet pipeline 9 again continues to use, improve the utilization rate of water resource, also improved the purification efficiency of the utility model integral body to a certain extent.
Claims (6)
1. a coking waste gas washing purifying device comprises tower body (1), water tank with strainer (2) and circulating pump (3); The bottom that it is characterized in that described tower body (1) is provided with air inlet (4), and the top is provided with exhaust outlet (5), and body of the tower inside is furnished with two-layer at least water spray layer (6) from down to up successively, is furnished with packed layer (7) between adjacent two water spray layers (6); The body of the tower bottom is communicated with water tank with strainer (2), and water tank with strainer (2) connects at least one circulating pump (3) through being recycled into water lines (8), and circulating pump (3) connects aforementioned each water spray layer (6) simultaneously through cyclic water outlet pipeline (9); Exhaust outlet (5) below at tower body (1) top also is provided with demist layer (10).
2. coking waste gas washing purifying device according to claim 1, it is characterized in that described water spray layer (6) is made of the water pipe (61) that interlocks and be communicated with and several nozzles (62) that are evenly distributed on the water pipe (61), aforementioned circulating pump (3) connects water pipe (61) through cyclic water outlet pipeline (9).
3. coking waste gas washing purifying device according to claim 1 and 2 is characterized in that the below of described each water spray layer (6) all is furnished with drainage layer (11).
4. coking waste gas washing purifying device according to claim 1 is characterized in that described packed layer (7) and demist layer (10) are arranged on the corresponding PP grid (12).
5. coking waste gas washing purifying device according to claim 4 is characterized in that described each PP grid (12) bottom reinforces by FRP grid (13).
6. coking waste gas washing purifying device according to claim 1 is characterized in that the bottom of described tower body (1) is provided with electronic level meter (14) and automatic water-replenishing device (15).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU200820111785XU CN201200855Y (en) | 2008-05-09 | 2008-05-09 | Coking waste gas washing and purifying device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU200820111785XU CN201200855Y (en) | 2008-05-09 | 2008-05-09 | Coking waste gas washing and purifying device |
Publications (1)
Publication Number | Publication Date |
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CN201200855Y true CN201200855Y (en) | 2009-03-04 |
Family
ID=40423166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNU200820111785XU Expired - Fee Related CN201200855Y (en) | 2008-05-09 | 2008-05-09 | Coking waste gas washing and purifying device |
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CN (1) | CN201200855Y (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107281883A (en) * | 2017-07-31 | 2017-10-24 | 苏州他山石环保科技有限公司 | A kind of efficient facilitation exhaust treatment system |
CN107433112A (en) * | 2017-07-31 | 2017-12-05 | 苏州他山石环保科技有限公司 | A kind of Efficient intelligent exhaust treatment system |
CN111822473A (en) * | 2019-04-23 | 2020-10-27 | 宝武炭材料科技有限公司 | Coke pit waste gas collecting and purifying system |
-
2008
- 2008-05-09 CN CNU200820111785XU patent/CN201200855Y/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107281883A (en) * | 2017-07-31 | 2017-10-24 | 苏州他山石环保科技有限公司 | A kind of efficient facilitation exhaust treatment system |
CN107433112A (en) * | 2017-07-31 | 2017-12-05 | 苏州他山石环保科技有限公司 | A kind of Efficient intelligent exhaust treatment system |
CN111822473A (en) * | 2019-04-23 | 2020-10-27 | 宝武炭材料科技有限公司 | Coke pit waste gas collecting and purifying system |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090304 Termination date: 20150509 |
|
EXPY | Termination of patent right or utility model |