CN111111348B - Wet purification device for pretreatment of waste gas treatment system - Google Patents

Wet purification device for pretreatment of waste gas treatment system Download PDF

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Publication number
CN111111348B
CN111111348B CN201911373496.6A CN201911373496A CN111111348B CN 111111348 B CN111111348 B CN 111111348B CN 201911373496 A CN201911373496 A CN 201911373496A CN 111111348 B CN111111348 B CN 111111348B
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China
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tower body
lower liquid
plate
sewage
treatment system
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CN201911373496.6A
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CN111111348A (en
Inventor
梅明军
曾波涛
聂慧君
李媚
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Zhejiang Hongdian environmental protection equipment Co., Ltd
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Zhejiang Hongdian Environmental Protection Equipment Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06Spray cleaning
    • B01D47/063Spray cleaning with two or more jets impinging against each other
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26Drying gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26Drying gases or vapours
    • B01D53/261Drying gases or vapours by adsorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/80Water

Abstract

The invention discloses a pretreatment wet purification device of a waste gas treatment system. The device comprises a tower body, wherein an air inlet pipe and a blow-off pipe are arranged on the tower body, a grating, a spray pipe, an activated carbon layer and a demister are arranged in the tower body, a lower liquid piece is arranged in the tower body, and a sewage guide structure comprising an angle adjusting piece, a guide plate and a liquid discharge plate is arranged below the lower liquid piece; the angle adjusting piece comprises a fixed rod and a stress plate; the inner end of the guide plate is rotatably arranged on the inner wall of the tower body; one end of the drainage plate is connected with the opening of the drainage pipe, and the other end of the drainage plate is arranged on the inner wall of the tower body. According to the invention, through the matching of the angle adjusting piece and the plurality of guide plates, the inclination angle of the guide plates is automatically adjusted according to the sewage amount, the inclination angle of the guide plates is reduced when the sewage amount is larger, the flow velocity of sewage is reduced, and the blockage of a sewage discharge pipe is prevented; when the sewage amount is less, the inclination angle of the guide plate is increased, the flow speed of the sewage is increased, and the sewage discharge efficiency is improved.

Description

Wet purification device for pretreatment of waste gas treatment system
Technical Field
The invention relates to the technical field of environment-friendly equipment, in particular to a pretreatment wet-type purification device of a waste gas treatment system.
Background
The flue gas usually carries a large amount of dust and harmful substances and cannot be directly discharged into the atmosphere, so that a wet scrubber is required.
According to different grade type waste gas, the volume of required liquid is different when spraying, if dust and harmful substance content are more relatively, the volume of required liquid is great relatively when spraying, current wet scrubbing tower is direct outer arranging through the blow off pipe that sets up in tower body bottom department usually when the blowdown, because of the blow off pipe diameter size is limited, when the liquid volume is great when spraying, the blow off pipe often can't be quick effectual arranges sewage outward, when to this type of waste gas operation, adopt discontinuous operation usually, efficiency is lower.
Disclosure of Invention
The invention provides a pretreatment wet purification device of an exhaust gas treatment system aiming at the defects in the prior art.
In order to solve the technical problems, the invention is solved by the following technical scheme: the pretreatment wet-type purification device of the waste gas treatment system comprises a tower body, wherein an air inlet pipe and a blow-off pipe are arranged on the tower body, a grid, a spray pipe, an activated carbon layer and a demister are sequentially arranged above the air inlet pipe in the tower body from bottom to top, a lower liquid part is arranged below the air inlet pipe in the tower body, the lower liquid part comprises a lower liquid opening, and a sewage diversion structure is arranged below the lower liquid opening;
the sewage guide structure comprises an angle adjusting piece, a plurality of guide plates and a liquid discharge plate;
the angle adjusting piece comprises a fixed rod arranged on the bottom surface of the lower liquid piece and a stress plate rotatably arranged on the fixed rod, one end of the stress plate is positioned right below the lower liquid port, and the other end of the stress plate is connected with a first pull rope;
the inner ends of all the guide plates are rotatably arranged on the inner wall corresponding to the tower body and are staggered from top to bottom, a second pull rope is arranged between every two adjacent guide plates, and the outer end of the guide plate positioned at the top is connected with the first pull rope;
one end of the drainage plate is connected to the opening of the sewage discharge pipe, the other end of the drainage plate is arranged on the inner wall of the tower body, and the drainage plate and the guide plate closest to the drainage plate are arranged in a staggered mode.
In the above scheme, preferably, the lower liquid piece includes first lower liquid plate, lower liquid mouth and the second lower liquid plate of integrated into one piece, use the lower liquid mouth is the starting point, first lower liquid plate with the second lower liquid plate respectively toward corresponding tower body inner wall slope upwards sets up.
In the above aspect, preferably, the fixing rod is fixedly arranged on the bottom surface of the first lower liquid plate.
In the above scheme, preferably, the shape and size of the lower liquid piece are the same as those of the cross section of the tower body inner cavity.
In the above scheme, preferably, the stress plate includes a first portion and a second portion, one end of the first portion is located below the lower liquid port, the overall weight of the first portion is greater than that of the second portion, one end of the first pull rope is connected to the outer end of the second portion, and the other end of the first pull rope is connected to the outer end of the uppermost deflector.
In the above scheme, preferably, one end of the second pull rope is connected with the outer end of the guide plate located below, and the other end of the second pull rope is connected with a position, close to the inner end, on the guide plate located above.
In the above scheme, preferably, the drainage plate is connected with the lower edge of the sewage discharge pipe.
In the above scheme, preferably, the shape and size of the outer edge of the close part of the guide plate and the inner wall of the tower body are matched with the shape and size of the cross section of the inner cavity of the tower body.
The invention has the beneficial effects that: according to the invention, through the matching of the angle adjusting piece and the plurality of guide plates, the inclination angle of the guide plates is automatically adjusted according to the sewage amount, the inclination angle of the guide plates is reduced when the sewage amount is larger, the flow velocity of sewage is reduced, and the blockage of a sewage discharge pipe is prevented; when the sewage amount is less, the inclination angle of the guide plate is increased, the flow speed of the sewage is increased, and the sewage discharge efficiency is improved.
Drawings
FIG. 1 is a schematic view of the present invention.
Fig. 2 is an enlarged schematic view of fig. 1 at D.
Fig. 3 is a schematic view of the matching of the deflector and the inner cavity of the tower body according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
referring to fig. 1-3, the wet purification device for the pretreatment of the waste gas treatment system comprises a tower body 1, wherein the top of the tower body 1 is provided with an exhaust port 11, the interior of the tower body is provided with a cavity, the tower body 1 is also provided with an air inlet pipe 12 and a blow-off pipe 13, the air inlet pipe 12 is arranged at the lower half part of the tower body 1, one end of the air inlet pipe 12 is positioned in the tower body 1 and is communicated with the cavity in the tower body 1, the other end of the air inlet pipe is positioned outside the tower body 1, and the connection; the blow off pipe 13 sets up in 1 bottom positions of tower body department, and its same one end is located tower body 1 and this end and the cavity intercommunication in the tower body 1, and the other end is located outside tower body 1, and the lower edge that is located the one end tip department in tower body 1 leans on with the inboard bottom surface counterbalance of tower body 1.
The tower body 1 is positioned above the air inlet pipe 12 and is internally provided with a grating 21, a spray pipe 22, an activated carbon layer 23 and a demister 24 from bottom to top in sequence.
The grating 21 is provided with big meshes which are arranged along the vertical direction, and the waste gas is dispersed after passing through the grating; the spray pipe 22 is provided with a plurality of nozzles 221, the nozzles 221 spray liquid in a mist shape, under the action of the mist, dust and particles in the waste gas fall along with the mist, the spray pipe 22 is connected with an external water tank 222, and the liquid in the water tank 222 is sprayed out from the nozzles 221 through a water pump 223; the activated carbon layer 23 is used for blocking part of moisture carried in the exhaust gas; the demister 24 is used for removing the water vapor carried in the waste gas, and finally, the purified waste gas is discharged upwards from the exhaust port 11 of the tower body 1.
Be located in tower body 1 intake pipe 12 below department is provided with down liquid spare, down liquid spare includes integrated into one piece's first lower liquid board 31, lower liquid mouth 32 and second lower liquid board 33, with lower liquid mouth 21 is the starting point, first lower liquid board 31 with second lower liquid board 33 is respectively toward corresponding 1 inner wall slope of tower body upwards sets up, just the shape size of lower liquid spare with the shape size of 1 inner chamber cross section of tower body is the same, and lower liquid spare is whole to be the centrum, and lower liquid spare is whole outer along with tower body inner wall zonulae occludens, and preferred mode is for directly welding lower liquid spare on tower body inner wall.
A sewage guide structure is arranged below the lower liquid port 32 and comprises an angle adjusting piece, a plurality of guide plates 41 and a liquid discharging plate 42.
The angle adjusting member comprises a fixing rod 51 arranged on the bottom surface of the lower liquid member and a force bearing plate 52 rotatably arranged on the fixing rod 51, preferably, the fixing rod 51 is fixedly arranged on the bottom surface of the first lower liquid plate 31.
The end of the force-bearing plate 52 is located right below the lower liquid outlet 32, and the other end is connected with a first pull rope 53, preferably, the force-bearing plate 52 comprises a first part and a second part, wherein one end of the first part is located below the lower liquid outlet, the whole weight of the first part is greater than that of the second part, and the outer end of the second part is connected with the first pull rope 53.
Wherein, the width of the stress plate is less than that of the guide plate, and the width of the stress plate only needs to be greater than that of the lower liquid opening.
All guide plate 41 is the inner all rotation setting on the inner wall that tower body 1 corresponds, and crisscross setting from top to bottom, for example the inner setting that is located the guide plate of top is in tower body one side inner wall department, and the inner that is located its below and adjacent guide plate sets up in tower body object inner wall department.
A second pull rope 43 is arranged between two adjacent guide plates 41, wherein the outer end of the uppermost guide plate 41 is connected with the first pull rope 53, one end of the second pull rope 43 is connected with the outer end of the lower guide plate 41, and the other end of the second pull rope is connected with a position on the upper guide plate 41 close to the inner end.
The shape and size of the outer edge of the close part of the guide plate 41 and the inner wall of the tower body 1 are matched with the shape and size of the cross section of the inner cavity of the tower body.
The cross section of the inner cavity of the tower body is circular, the guide plate is made by removing a part of a part with the same size as the cross section of the inner cavity of the tower body, and the removed part is smaller than the size of the semicircular part, as shown in figure 3.
Or the shape and the size of the guide plate are the same as those of the cross section of the inner cavity of the tower body, and the guide plate is provided with a liquid outlet hole which is positioned at the lower end of the guide plate.
One end of the drainage plate 42 is connected to the opening of the sewage discharge pipe 13, the other end of the drainage plate is arranged on the inner wall of the tower body 1, preferably, the drainage plate 42 is connected with the lower edge of the sewage discharge pipe 13, and the drainage plate 42 and the guide plate 41 closest to the drainage plate are arranged in a staggered mode.
Preferably, the caliber of the lower liquid port is larger than the pipe diameter of the sewage discharge pipe, two times of the caliber are optimal, when the caliber is two times of the caliber, the downward inclination angle of the first lower liquid plate is 30 degrees, the guide plates are provided with two pieces, the length of the pull rope is 40-50CM, the distance between the horizontal planes of the rotary connection points of the two adjacent guide plates is 30-40CM, the inclination angle of the liquid discharge plate is 30 degrees, and the distance between the horizontal plane of the rotary connection point of the stress plate and the horizontal plane of the rotary connection point of the guide plate positioned at the top is 30-40 CM.
Sewage from liquid outlet department down falls, strike on the atress board, according to the size of impact force, make the atress board this end move down the certain distance, make its other end upwarp, the outer end that drives the guide plate that is located the top through first stay cord shifts up, thereby make the inclination of this guide plate diminish, and simultaneously, a plurality of guide plates that link to each other with this guide plate pass through the effect of second stay cord, its outer end shifts up thereupon, thereby reduce sewage velocity of flow, the sewage that avoids too fast velocity of flow directly dashes blow off pipe department, cause the inside opening part sewage reflux of blow off pipe too much, influence the blowdown efficiency.
Simultaneously, the setting of many deflectors and lower liquid board has increased the removal route that sewage flows to blow off pipe department, and dust, granule in the even sewage are helped to the flow in-process, avoid dust, granule in the partial sewage too to concentrate and lead to blockking up the blow off pipe.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (7)

1. Waste gas treatment system preliminary treatment wet-type purifier, including the tower body, be provided with intake pipe and blow off pipe on the tower body, be located intake pipe top department in the tower body, by supreme grid, shower, activated carbon layer and the defroster of having set gradually down, its characterized in that: a lower liquid part is arranged in the tower body below the air inlet pipe, the lower liquid part comprises a lower liquid opening, and a sewage guide structure is arranged below the lower liquid opening;
the sewage guide structure comprises an angle adjusting piece, a plurality of guide plates and a liquid discharge plate;
the angle adjusting piece comprises a fixed rod arranged on the bottom surface of the lower liquid piece and a stress plate rotatably arranged on the fixed rod, one end of the stress plate is positioned right below the lower liquid port, and the other end of the stress plate is connected with a first pull rope;
the inner ends of all the guide plates are rotatably arranged on the inner wall corresponding to the tower body and are staggered from top to bottom, a second pull rope is arranged between every two adjacent guide plates, and the outer end of the guide plate positioned at the top is connected with the first pull rope;
one end of the drainage plate is connected to the opening of the sewage discharge pipe, the other end of the drainage plate is arranged on the inner wall of the tower body, and the drainage plate and the guide plate closest to the drainage plate are arranged in a staggered mode.
2. The exhaust gas treatment system pretreatment wet purification device of claim 1, wherein: lower liquid spare includes first lower liquid board, lower liquid mouth and the second lower liquid board of integrated into one piece, with lower liquid mouth is the starting point, first lower liquid board with lower liquid board respectively toward corresponding the tower body inner wall slope upwards sets up.
3. The exhaust gas treatment system pretreatment wet purification device of claim 2, wherein: the fixed rod is fixedly arranged on the bottom surface of the first lower liquid plate.
4. The exhaust gas treatment system pretreatment wet purification device of claim 1, wherein: the stress plate comprises a first part and a second part, one end of the first part is positioned below the lower liquid port, the whole weight of the first part is larger than that of the second part, one end of the first pull rope is connected with the outer end part of the second part, and the other end of the first pull rope is connected with the outer end of the uppermost guide plate.
5. The exhaust gas treatment system pretreatment wet purification device of claim 1, wherein: one end of the second pull rope is connected with the outer end of the guide plate positioned below, and the other end of the second pull rope is connected with a position, close to the inner end, on the guide plate positioned above.
6. The exhaust gas treatment system pretreatment wet purification device of claim 1, wherein: the drainage plate is connected with the lower edge of the sewage discharge pipe.
7. The exhaust gas treatment system pretreatment wet purification device of claim 1, wherein: the shape and size of the outer edge of the portion, close to the inner wall of the tower body, of the guide plate are matched with the shape and size of the cross section of the inner cavity of the tower body.
CN201911373496.6A 2019-12-27 2019-12-27 Wet purification device for pretreatment of waste gas treatment system Active CN111111348B (en)

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Application Number Priority Date Filing Date Title
CN201911373496.6A CN111111348B (en) 2019-12-27 2019-12-27 Wet purification device for pretreatment of waste gas treatment system

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Application Number Priority Date Filing Date Title
CN201911373496.6A CN111111348B (en) 2019-12-27 2019-12-27 Wet purification device for pretreatment of waste gas treatment system

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CN111111348B true CN111111348B (en) 2021-07-13

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113663969A (en) * 2021-08-23 2021-11-19 华瑞环保科技宿迁有限公司 Belt cleaning device for industrial production with waste water recovery utilizes function
CN117019400B (en) * 2023-09-27 2023-12-15 河南富源岩棉有限公司 Efficiency-improving wet electrostatic dust and mist removing device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105498430A (en) * 2016-01-27 2016-04-20 湖州南浔石淙盛艳丝绸有限公司 Spinning machine with stand-alone dust remover
CN206454479U (en) * 2017-01-10 2017-09-01 广州昭宁化工有限公司 A kind of water curtain check apron formula ultrapurification smoke exhaust dusting and desulfuring system
CN208465591U (en) * 2018-05-31 2019-02-05 廊坊泛华石化设备有限公司 A kind of tail gas spray tower
CN208526147U (en) * 2018-10-24 2019-02-22 宜宾壹星科技有限公司 A kind of industrial waste gas purifying tower
CN110559777A (en) * 2019-09-06 2019-12-13 苏州清溪环保科技有限公司 Particulate matter adsorption device for waste gas treatment and use method thereof
CN110585874A (en) * 2019-10-14 2019-12-20 苏州仕净环保科技股份有限公司 Sintering flue gas desulfurization and denitrification device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105498430A (en) * 2016-01-27 2016-04-20 湖州南浔石淙盛艳丝绸有限公司 Spinning machine with stand-alone dust remover
CN206454479U (en) * 2017-01-10 2017-09-01 广州昭宁化工有限公司 A kind of water curtain check apron formula ultrapurification smoke exhaust dusting and desulfuring system
CN208465591U (en) * 2018-05-31 2019-02-05 廊坊泛华石化设备有限公司 A kind of tail gas spray tower
CN208526147U (en) * 2018-10-24 2019-02-22 宜宾壹星科技有限公司 A kind of industrial waste gas purifying tower
CN110559777A (en) * 2019-09-06 2019-12-13 苏州清溪环保科技有限公司 Particulate matter adsorption device for waste gas treatment and use method thereof
CN110585874A (en) * 2019-10-14 2019-12-20 苏州仕净环保科技股份有限公司 Sintering flue gas desulfurization and denitrification device

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Effective date of registration: 20200519

Address after: No. 2-1, Hushan Road, Sidu Town, Jiangshan City, Quzhou City, Zhejiang Province

Applicant after: Zhejiang Hongdian environmental protection equipment Co., Ltd

Address before: 324100, No. 2 Lake Road, four Town, Jiangshan, Zhejiang, Quzhou, China

Applicant before: ZHEJIANG HONGDIAN ENVIRONMENTAL PROTECTION EQUIPMENT MANUFACTURING Co.,Ltd.

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