CN210057867U - Alkaline waste gas treatment system - Google Patents

Alkaline waste gas treatment system Download PDF

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Publication number
CN210057867U
CN210057867U CN201920158893.0U CN201920158893U CN210057867U CN 210057867 U CN210057867 U CN 210057867U CN 201920158893 U CN201920158893 U CN 201920158893U CN 210057867 U CN210057867 U CN 210057867U
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reaction box
treatment system
baffle
waste gas
gas treatment
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CN201920158893.0U
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王仁才
荆珂
张鹏
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Dongguan Hengsheng Environmental Protection Technology Co Ltd
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Dongguan Hengsheng Environmental Protection Technology Co Ltd
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Abstract

The utility model belongs to the technical field of the exhaust-gas purification technique and specifically relates to indicate an alkaline waste gas treatment system, it includes waste water recovery device, sack dust collector, acidizing fluid absorbing device, washing device, the defogging device that from the bottom up communicates in proper order, the waste gas air inlet has been seted up to sack dust collector, the one end intercommunication blast pipe of keeping away from washing device of defogging device, be equipped with between defogging device and the blast pipe and be used for the draught fan in gas drainage to the blast pipe in the defogging device, have the function of carrying out neutralization treatment to alkaline waste gas, and the treatment effect is good.

Description

Alkaline waste gas treatment system
Technical Field
The utility model belongs to the technical field of exhaust-gas purification technique and specifically relates to indicate an alkaline exhaust-gas treatment system.
Background
Chemical production often needs to react under high temperature and high pressure, and alkali is the raw materials commonly used in chemical production, and in process of production, along with reaction temperature rising, alkali in the raw materials can volatilize in a large number and form alkaline gas (like ammonia) and together discharge into the atmosphere along with tail gas, cause serious pollution to the surrounding environment, and lead to the production operation environment very abominable, consequently, need earlier handle it before discharging alkaline waste gas and just discharge, but current alkaline waste gas processing apparatus's treatment effect is relatively poor.
Disclosure of Invention
The utility model provides an alkaline waste gas treatment system, it has the function of carrying out neutralization treatment to alkaline waste gas, and the treatment effect is good.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides an alkaline waste gas treatment system, its waste water recovery device, sack dust collector, acidizing fluid absorbing device, washing device, defogging device that include from the bottom up and communicate in proper order, the waste gas air inlet has been seted up to sack dust collector, the one end intercommunication blast pipe of keeping away from the washing device of defogging device, be equipped with the draught fan that is used for the gas drainage in the defogging device to the blast pipe between defogging device and the blast pipe.
Further, sack dust collector includes the dust removal case, locates the first baffle and the opening of dust removal incasement and a plurality of dust removal sack of first baffle fixed connection, the border of first baffle and the inside wall fixed connection of dust removal case, the air vent has been seted up with the junction of dust removal sack to first baffle, first baffle is higher than the waste gas air inlet.
Furthermore, the acid liquor absorption device comprises a reaction box, a first spraying assembly arranged in the reaction box and used for spraying acid liquor, a stirring assembly used for stirring so as to uniformly mix waste gas and acid liquor in the reaction box, and a buffer assembly used for blocking waste gas from being discharged out of the reaction box, wherein the first spraying assembly is arranged above the stirring assembly and the buffer assembly.
Further, first spray assembly includes first transfer line, locates a plurality of first shower nozzles on the first transfer line and the liquid pump of being connected with first transfer line, outside the reaction box was located to the one end of first transfer line, the other end runs through the lateral wall of reaction box and extends to in the reaction box, and is a plurality of in the reaction box was located to first shower nozzle.
Further, the stirring subassembly includes that one end and reaction box rotate pivot, circumference of being connected locate a plurality of stirring pieces in the pivot and be used for driving pivot pivoted driving piece, the driving piece is located outside the reaction box, the stirring piece is located between first spray assembly and the buffer unit.
Furthermore, the buffer assembly comprises at least two second partition plates and a plurality of plastic balls arranged between the second partition plates, the second partition plates are fixedly connected with the inner side wall of the reaction box, a plurality of small holes are formed in the second partition plates, and the diameters of the small holes are smaller than those of the plastic balls.
Further, the water washing device comprises a water washing tank and a second spraying assembly arranged in the water washing tank and used for spraying water.
Furthermore, the defogging device comprises a defogging pipe and a plurality of baffle pieces which are arranged in the defogging pipe and used for isolating water drops, the baffle pieces are arranged at intervals, and each baffle piece comprises a bearing frame and a plurality of obliquely arranged baffles which are arranged on the bearing frame at intervals.
Furthermore, a spiral exhaust channel is arranged on one side, far away from the water washing tank, of the demisting pipe, and the baffle is arranged between the water washing tank and the exhaust channel.
The utility model has the advantages that: the utility model discloses an alkaline waste gas treatment system is good to alkaline substance's processing absorption effect, through sack dust collector's preliminary purification treatment, acid liquid in the acidizing fluid absorbing device and alkaline waste gas's neutralization, washing unit remain the absorption regulatory action of acidizing fluid and defogging device's drying action in to gas, finally make the gaseous environmental protection pollution-free of discharging in the atmosphere.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic diagram of the internal structure of the embodiment of the present invention;
fig. 3 is a schematic structural view of a barrier member according to an embodiment of the present invention.
Description of reference numerals: 1. a wastewater recovery device; 2. a bag type dust collector; 21. a dust removal box; 22. a first separator; 23. a dust removal cloth bag; 24. a vent hole; 3. an acid liquid absorption device; 31. a reaction box; 32. a first spray assembly; 321. a first infusion tube; 322. a first nozzle; 323. a liquid pump; 33. a stirring assembly; 331. a rotating shaft; 332. a stirring sheet; 333. a drive member; 34. a buffer assembly; 341. a second separator; 342. a plastic ball; 343. a small hole; 4. a water washing device; 41. a water washing tank; 42. a second spray assembly; 421. a second infusion tube; 422. a second nozzle; 423. a water pump; 5. a defogging device; 51. a demisting pipe; 52. a barrier; 521. a bearing frame; 522. a baffle plate; 53. an exhaust passage; 6. an exhaust pipe; 7. an induced draft fan; 8. the window is checked.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
The utility model provides a pair of alkaline waste gas treatment system, as shown in FIG. 1, it includes waste water recovery device 1, sack dust collector 2, acidizing fluid absorbing device 3, washing device 4, defogging device 5 that from the bottom up communicate in proper order, sack dust collector 2 has seted up the waste gas air inlet (not marked in the picture), defogging device 5 keeps away from one end intercommunication blast pipe 6 of washing device 4, be equipped with between defogging device 5 and the blast pipe 6 and be used for the draught fan 7 in the gas drainage to blast pipe 6 in the defogging device 5.
Alkaline waste gas gets into through sack dust collector 2's waste gas air inlet the utility model discloses an alkaline waste gas treatment system handles to loop through sack dust collector 2, acidizing fluid absorbing device 3, washing device 4 and defogging device 5 and handle the back and discharge through blast pipe 6. Alkaline waste gas gets rid of dust and other particulate matter in the waste gas through sack dust collector 2 earlier, reaches the purpose of carrying out preliminary purification treatment to waste gas, avoids the dust pollution acidizing fluid absorbing device 3, water washing device 4 and the defogging device 5 of waste gas, has reduced the cleaning frequency to acidizing fluid absorbing device 3, water washing device 4 and defogging device 5. The wastewater recovered by the wastewater recovery device 1 can be recycled through the treatment of workers. Acid liquor in the acid liquor absorption device 3 can be subjected to neutralization reaction with acid gas in waste gas, the acid gas in the waste gas is absorbed, and the residual gas is introduced into the washing device 4 under the guiding action of the draught fan 7, and when the gas is introduced into the washing device 4 from the acid liquor absorption device 3, a small part of acid water mist possibly can be carried in the gas, after the gas is introduced into the washing device 4, the small part of acid water mist carried in the gas can be absorbed by clean water in the washing device 4, so that the gas discharged into the demisting device 5 does not contain acid liquid drops. The demisting device 5 can absorb small liquid drops in the gas, so that the gas discharged from the alkaline waste gas treatment system is dry gas, and the discharged gas is ensured to be environment-friendly and pollution-free. To sum up, the utility model discloses an alkaline exhaust-gas treatment system is good to alkaline substance's processing absorption effect, through sack dust collector 2 preliminary purification treatment, acid liquid in the acidizing fluid absorbing device 3 and alkaline waste gas's neutralization, washing device 4 remain the absorption regulatory action of acidizing fluid and defogging device 5's drying action in to gas, finally make the gaseous environmental protection pollution-free of discharging in the atmosphere.
The lateral wall of gas wash tower, alkali lye absorption tower, washing tower all is equipped with inspection window 8, sets up inspection window 8 and makes things convenient for the staff to observe the reaction condition of gas in gas wash tower, alkali lye absorption tower, the washing tower.
Combine fig. 2, sack dust collector 2 includes dust removal case 21, locates first baffle 22 and opening and a plurality of dust removal sack 23 of first baffle 22 fixed connection in the dust removal case 21, the border of first baffle 22 and the inside wall fixed connection of dust removal case 21, air vent 24 has been seted up with the junction of dust removal sack 23 to first baffle 22, first baffle 22 is higher than the waste gas air inlet.
Waste gas enters the dust removal box 21 from a waste gas inlet at the bottom of the dust removal box 21, dust and other particulate matters in the waste gas are filtered by the dust removal cloth bag 23, then the waste gas enters the upper part of the dust removal box 21 from the vent holes 24 on the first partition plate 22, and enters the acid liquid absorption device 3 under the guiding action of the induced draft fan 7, and the cloth bag dust removal device 2 is simple in structure and good in dust removal effect.
The acid liquor absorption device 3 comprises a reaction box 31, a first spraying assembly 32 arranged in the reaction box 31 and used for spraying acid liquor, a stirring assembly 33 used for stirring so as to uniformly mix waste gas and acid liquor in the reaction box 31, and a buffer assembly 34 used for blocking waste gas from being discharged out of the reaction box 31, wherein the first spraying assembly 32 is arranged above the stirring assembly 33 and the buffer assembly 34.
The gas filtered by the dust removal box 21 enters the reaction box 31, acidic liquid is sprayed in the reaction box 31 through the spraying assembly, alkaline gas components in the waste gas and the acidic liquid are subjected to neutralization reaction to absorb the alkaline gas in the waste gas, the gas in the reaction box 31 can be fully mixed and contacted with the acid liquid through the arrangement of the stirring assembly 33, the reaction degree and the reaction efficiency between the gas and the liquid are improved, the buffer assembly 34 plays a role in blocking the gas to reduce the gas movement rate, the retention time of the gas in the reaction box 31 is prolonged, the reaction time of the gas and the acid liquid is prolonged, the alkaline gas is fully absorbed, and the treatment effect of the reaction box 31 is improved.
The first spraying component 32 comprises a first infusion tube 321, a plurality of first spray heads 322 arranged on the first infusion tube 321, and a liquid pump 323 connected with the first infusion tube 321, one end of the first infusion tube 321 is arranged outside the reaction box 31, the other end of the first infusion tube 321 penetrates through the side wall of the reaction box 31 and extends into the reaction box 31, and the plurality of first spray heads 322 are arranged in the reaction box 31. When in use, the acidic liquid outside the reaction tank 31 is conveyed into the reaction tank 31 through the first liquid conveying pipe 321 by the liquid pump 323 and is sprayed out from the first spray head 322, so as to achieve the purpose of absorbing the alkaline gas in the waste gas.
Stirring subassembly 33 includes that one end and reaction box 31 rotate the pivot 331 of being connected, circumference locate a plurality of stirring pieces 332 on the pivot 331 and be used for driving pivot 331 pivoted driving piece 333, driving piece 333 is located outside reaction box 31, stirring piece 332 is located between first spraying assembly 32 and the buffering subassembly 34, and the top and the driving piece 333 fixed connection of reaction box 31 are run through to the one end of pivot 331, and driving piece 333 is the motor, the output shaft and the pivot 331 fixed connection of motor. When the device is used, the driving part 333 is started, the driving part 333 drives the rotating shaft 331 to rotate, and then the rotating shaft 331 drives the stirring sheet 332 to rotate to stir the gas and the acidic liquid which are inwards reacted, so that the acidic liquid and the alkaline gas in the waste gas are fully reacted, and the treatment effect is improved. The stirring sheet 332 is arranged between the first spraying assembly 32 and the buffering assembly 34, so that the waste gas is firstly blocked and decelerated by the buffering assembly 34 and then reacts with the acid liquor, the reaction time of the alkaline gas and the acid liquor can be prolonged, and the reaction effect is improved.
In this embodiment, the buffer assembly 34 includes two second partition plates 341 and a plurality of plastic balls 342 disposed between the second partition plates 341, the second partition plates 341 are fixedly connected to the inner side wall of the reaction chamber 31, a plurality of small holes 343 are uniformly formed on the second partition plates 341, the diameters of the small holes 343 are smaller than the diameters of the plastic balls 342, and the plastic balls 342 are hollow balls. The second partition plates 341 and the plastic balls 342 act synergistically to block the gas from moving towards the water washing device 4, reduce the moving speed of the gas, prolong the retention time of the gas in the reaction box 31, enable the alkaline gas and the acid liquor to react fully, and arrange the plastic balls 342 between the two second partition plates 341, so that the plastic balls 342 can be prevented from falling into the bottom of the reaction box 31 or colliding with the stirring sheet 332, and ensure that the plastic balls 342 are always positioned in the middle of the reaction box 31 to buffer and reduce the speed of the gas.
The water washing device 4 comprises a water washing tank 41 and a second spraying assembly 42 arranged in the water washing tank 41 and used for spraying water. Specifically, water washing device 4 is hollow box, second spray assembly 42 includes second transfer line 421, locates a plurality of second shower nozzles 422 on second transfer line 421 and keeps away from water pump 423 that the one end of second shower nozzle 422 is connected with second transfer line 421, water pump 423 is located outside water washing device 4, and is a plurality of in water washing device 4 is located to second shower nozzle 422, and water pump 423 carries the outer water of water washing device 4 to a plurality of second shower nozzles 422 blowout in water washing device 4. The gas treated by the reaction box 31 is introduced into the bottom of the water washing device 4, so that a small part of acid liquid drops carried in the gas are mixed with and absorbed by the water sprayed by the second spraying component 42 in the water washing device 4, the gas purification treatment effect is further improved, and the residual gas escapes from the water surface in the water washing device 4 and enters the demisting device 5 through a pipeline under the action of the induced draft fan 7.
Referring to fig. 3, the defogging device 5 includes a defogging tube 51 and a plurality of barriers 52 disposed in the defogging tube 51 for blocking water droplets, the plurality of barriers 52 are arranged at intervals, and each barrier 52 includes a carrying frame 521 and a plurality of obliquely disposed barriers 522 arranged at intervals on the carrying frame 521. Gas gets into through the pipeline in defogging pipe 51 after water washing device 4 handles, and when gaseous flow through kept off 52, the drop of water that carries in the gas bumps and adheres to on baffle 522 easily with baffle 522, and gaseous gap outflow between the baffle 522, and the setting that keeps off 52 has significantly reduced the drop of water that carries in the gas, improves drying efficiency.
A spiral exhaust channel 53 is arranged on one side of the demisting pipe 51 far away from the water washing tank 41, and the baffle 52 is arranged between the water washing tank 41 and the exhaust channel 53. The spiral arrangement of exhaust passage 53 has increased exhaust passage 53's length, makes gas wind round in exhaust passage 53, discharges again after the abundant drying, improves drying effect.
All the technical features in the embodiment can be freely combined according to actual needs.
The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.
The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims (9)

1. An alkaline exhaust gas treatment system, comprising: including waste water recovery device, sack dust collector, acidizing fluid absorbing device, washing device, the defogging device that from the bottom up communicates in proper order, the waste gas air inlet has been seted up to sack dust collector, the one end intercommunication blast pipe of keeping away from the washing device of defogging device, be equipped with the draught fan that is used for the gas drainage in the defogging device to the blast pipe between defogging device and the blast pipe.
2. The alkaline exhaust gas treatment system according to claim 1, wherein: sack dust collector includes the dust removal case, locates the first baffle and opening of dust removal incasement and a plurality of dust removal sack of first baffle fixed connection, the border of first baffle and the inside wall fixed connection of dust removal case, the air vent has been seted up with the junction of dust removal sack to first baffle, first baffle is higher than the waste gas air inlet.
3. The alkaline exhaust gas treatment system according to claim 1, wherein: the acid liquor absorption device comprises a reaction box, a first spraying assembly arranged in the reaction box and used for spraying acid liquor, a stirring assembly used for stirring so as to enable waste gas and the acid liquor in the reaction box to be uniformly mixed, and a buffer assembly used for blocking the waste gas from being discharged out of the reaction box, wherein the first spraying assembly is arranged above the stirring assembly and the buffer assembly.
4. The alkaline exhaust gas treatment system according to claim 3, wherein: the first spray assembly comprises a first infusion pipe, a plurality of first spray heads arranged on the first infusion pipe and a liquid pump connected with the first infusion pipe, one end of the first infusion pipe is arranged outside the reaction box, the other end of the first infusion pipe penetrates through the side wall of the reaction box and extends into the reaction box, and the first spray heads are arranged in the reaction box.
5. The alkaline exhaust gas treatment system according to claim 3, wherein: the stirring subassembly includes that one end and reaction box rotate pivot, circumference of being connected locate a plurality of stirring pieces of epaxial and be used for driving pivot pivoted driving piece, the driving piece is located outside the reaction box, the stirring piece is located between first spray assembly and the buffer unit.
6. The alkaline exhaust gas treatment system according to claim 3, wherein: the buffer assembly comprises at least two second partition plates and a plurality of plastic balls arranged between the second partition plates, the second partition plates are fixedly connected with the inner side wall of the reaction box, a plurality of small holes are formed in the second partition plates, and the diameters of the small holes are smaller than those of the plastic balls.
7. The alkaline exhaust gas treatment system according to claim 1, wherein: the water washing device comprises a water washing tank and a second spraying assembly arranged in the water washing tank and used for spraying water.
8. The alkaline exhaust gas treatment system according to claim 7, wherein: the demisting device comprises a demisting pipe and a plurality of baffle pieces arranged in the demisting pipe and used for isolating water drops, the baffle pieces are arranged at intervals, and each baffle piece comprises a bearing frame and a plurality of obliquely arranged baffles arranged on the bearing frame at intervals.
9. The alkaline exhaust gas treatment system according to claim 8, wherein: and a spiral exhaust passage is arranged on one side of the demisting pipe far away from the water washing tank, and the baffle is arranged between the water washing tank and the exhaust passage.
CN201920158893.0U 2019-01-28 2019-01-28 Alkaline waste gas treatment system Active CN210057867U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111974149A (en) * 2020-08-31 2020-11-24 刘辉 Washing formula mill process gas dust device with multistage purification performance
CN112495074A (en) * 2020-11-10 2021-03-16 安徽侯王面业有限公司 Dust-settling equipment for flour mill and application method thereof
CN112892184A (en) * 2021-01-12 2021-06-04 安徽天枫智能科技有限公司 Intelligent exhaust-gas treatment equipment
CN113559694A (en) * 2020-09-27 2021-10-29 陕西吾道天行信息科技有限公司 Energy-concerving and environment-protective chemical waste gas's processing apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111974149A (en) * 2020-08-31 2020-11-24 刘辉 Washing formula mill process gas dust device with multistage purification performance
CN113559694A (en) * 2020-09-27 2021-10-29 陕西吾道天行信息科技有限公司 Energy-concerving and environment-protective chemical waste gas's processing apparatus
CN112495074A (en) * 2020-11-10 2021-03-16 安徽侯王面业有限公司 Dust-settling equipment for flour mill and application method thereof
CN112495074B (en) * 2020-11-10 2022-02-18 安徽侯王面业有限公司 Dust-settling equipment for flour mill and application method thereof
CN112892184A (en) * 2021-01-12 2021-06-04 安徽天枫智能科技有限公司 Intelligent exhaust-gas treatment equipment

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