CN201200855Y - Device for washing and purifying exhaust air of pyrogenetic reaction - Google Patents
Device for washing and purifying exhaust air of pyrogenetic reaction 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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- tower body
- waste gas
- circulating pump
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Abstract
The utility model discloses a device for washing and purifying coked waste gas, which comprises a tower body, a filtering water tank and a circulating pump. The device 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 exhaust opening, at least two water spraying layers are orderly arranged inside the tower body from the bottom up, and a filling layer is arranged between the two adjacent water spraying layers; the bottom of the tower body is communicated with the filtering water tank, the filtering water tank is connected with at least one circulating pump through an circulating water inlet pipeline, and the circulating pump is synchronously connected with the water spraying layers through a circulating water outlet pipeline; and a defogging layer is also arranged below the air exhaust opening on the top of the tower body. The device ensures that the coked water gas and water are fully mixed, improves the purification rate, also improves the utilization rate of water resources, and improves the integral purification efficiency 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 | Device for washing and purifying exhaust air of pyrogenetic reaction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820111785XU CN201200855Y (en) | 2008-05-09 | 2008-05-09 | Device for washing and purifying exhaust air of pyrogenetic reaction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201200855Y true CN201200855Y (en) | 2009-03-04 |
Family
ID=40423166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820111785XU Expired - Fee Related CN201200855Y (en) | 2008-05-09 | 2008-05-09 | Device for washing and purifying exhaust air of pyrogenetic reaction |
Country Status (1)
| Country | Link |
|---|---|
| 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 |