CN115337752B - Industrial tail gas treatment device - Google Patents

Industrial tail gas treatment device Download PDF

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Publication number
CN115337752B
CN115337752B CN202211007775.2A CN202211007775A CN115337752B CN 115337752 B CN115337752 B CN 115337752B CN 202211007775 A CN202211007775 A CN 202211007775A CN 115337752 B CN115337752 B CN 115337752B
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China
Prior art keywords
condensing
pipe
adsorption
tail gas
cleaning plate
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CN202211007775.2A
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Chinese (zh)
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CN115337752A (en
Inventor
康丽贤
郭纯
李鹏
耿荣庆
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Shanxi Chenghongfudeyi Chemical Co ltd
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Shanxi Chenghongfudeyi Chemical Co ltd
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Priority to CN202211007775.2A priority Critical patent/CN115337752B/en
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    • 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
    • B01D53/02Separation 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 by adsorption, e.g. preparative gas chromatography
    • B01D53/06Separation 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 by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D17/00Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02Separation of non-miscible liquids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D17/00Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02Separation of non-miscible liquids
    • B01D17/0208Separation of non-miscible liquids by sedimentation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D5/00Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0003Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D5/00Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0003Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
    • B01D5/0015Plates
    • 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
    • B01D53/002Separation 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 by condensation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28BSTEAM OR VAPOUR CONDENSERS
    • F28B1/00Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
    • F28B1/02Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28GCLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G1/00Non-rotary, e.g. reciprocated, appliances
    • F28G1/08Non-rotary, e.g. reciprocated, appliances having scrapers, hammers, or cutters, e.g. rigidly mounted
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708Volatile organic compounds V.O.C.'s
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40083Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
    • B01D2259/40088Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
    • B01D2259/4009Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Treating Waste Gases (AREA)

Abstract

The application relates to an industrial tail gas treatment device relates to the field of tail gas treatment, and it includes the condensing-tank, main adsorption tank and storage tank, the condensing-tank is connected with main adsorption tank, and the intercommunication has tail gas pipe, drain pipe, is provided with condensation subassembly in the condensing-tank, drain pipe and storage tank intercommunication, main adsorption tank intercommunication has the blast pipe, advance the steam pipe, go out the steam pipe, be provided with adsorption unit in the main adsorption tank, go out the steam pipe and be connected with processing unit, processing unit is connected with the storage tank, condensation unit is used for carrying out cooling to tail gas, adsorption unit is used for adsorbing the tail gas, processing unit is used for handling the tail gas of desorption. The method has the effect of enabling resources in industrial tail gas to be easily recycled.

Description

Industrial tail gas treatment device
Technical Field
The application relates to the field of tail gas treatment, in particular to an industrial tail gas treatment device.
Background
In environmental treatment, atmospheric pollution is an important form of environmental pollution, and in atmospheric pollution, the emission of industrial tail gas is relatively high, so that in order to prevent and treat the atmospheric pollution, the industrial tail gas needs to be treated and then emitted.
At present, the industrial tail gas is mainly treated by adsorption and catalytic combustion, the industrial tail gas is introduced into an adsorption chamber, an adsorbent is filled in the adsorption chamber, the adsorbent adsorbs the industrial tail gas, the industrial tail gas meets the emission standard and is discharged, when the organic gas adsorbed in the adsorbent is saturated, the organic gas on the adsorbent is desorbed, the organic gas enters a catalytic combustion chamber, the organic gas is catalytically combusted in the catalytic combustion chamber, and the organic gas is decomposed into carbon dioxide and water, so that the industrial tail gas is treated, and the industrial tail gas can be discharged into the atmosphere according with the standard.
As the industrial tail gas is subjected to combustion treatment, organic matters in the industrial tail gas are difficult to recycle, so that the recycling of energy sources is not facilitated.
Disclosure of Invention
In order to facilitate recycling of resources in industrial tail gas, the application provides an industrial tail gas treatment device.
The application provides an industrial tail gas treatment device adopts following technical scheme:
the utility model provides an industrial exhaust gas treatment device, includes condensing case, main adsorption tank and storage tank, the condensing case with main adsorption tank intercommunication, and the intercommunication has tail gas pipe, drain pipe, be provided with the condensation subassembly in the condensing case, the drain pipe with the storage tank intercommunication, main adsorption tank intercommunication has blast pipe, advances the steam pipe, goes out the steam pipe, be provided with the adsorption module in the main adsorption tank, it is connected with the processing module to go out the steam pipe, the processing module with the storage tank is connected, the condensation subassembly is used for carrying out cooling to the tail gas, the adsorption module is used for adsorbing the tail gas, the processing module is used for handling the tail gas of desorption.
By adopting the technical scheme, the tail gas is led into the condensing box from the tail gas pipe, the condensing assembly cools the tail gas in the condensing box, so that part of benzene series in the tail gas is cooled to form liquid, the liquid benzene series flows into the storage tank from the liquid outlet pipe, the rest of the tail gas flows into the adsorption box, the adsorption assembly adsorbs the rest of benzene series in the tail gas, the tail gas reaches the emission standard, and the tail gas is discharged out of the adsorption box from the exhaust pipe through the adsorption assembly; when the adsorption component is saturated, steam is introduced into the adsorption box through the steam inlet pipe, the adsorption component is desorbed by the steam, benzene series adsorbed by the steam carrying adsorption component is discharged to the treatment component from the steam outlet pipe and treated by the treatment component, so that the steam is separated from the benzene series, and the separated benzene series flows into the storage tank, so that the benzene series in the tail gas is recovered in the process of finishing tail gas treatment through condensation and adsorption, and resources in the industrial tail gas are easy to recycle.
Optionally, the condensing box still communicates there is the secondary adsorption box, the secondary adsorption box with the main adsorption box has the same structure, the condensing box intercommunication has the outlet duct, main adsorption box the equal intercommunication of secondary adsorption box has the intake pipe, the outlet duct with main adsorption box the equal intercommunication of intake pipe of secondary adsorption box, on the secondary adsorption box the blast pipe with on the main adsorption box the blast pipe communicates, be provided with first automatically controlled valve in the intake pipe of main adsorption box, be provided with the second automatically controlled valve in the intake pipe of secondary adsorption box, main adsorption box the exit of blast pipe is provided with the TVOC alarm, first automatically controlled valve the second automatically controlled valve the equal electricity of TVOC alarm is connected with the controller, the TVOC alarm is used for exporting alarm signal, the controller responds to alarm signal and controls first automatically controlled valve the switching of second automatically controlled valve.
Through adopting above-mentioned technical scheme, at the in-process of handling tail gas, first automatically controlled valve is in open condition, second automatically controlled valve is in closed condition, TVOC alarm detects the tail gas of discharge blast pipe, when the tail gas surpassed the early warning value of TVOC alarm, TVOC alarm output alarm signal, the controller is closed according to alarm signal control first automatically controlled valve, the second automatically controlled valve is opened, make tail gas treatment shift to secondary adsorption case by main adsorption case, then let in steam to main adsorption case through advancing the steam pipe, make main adsorption case carry out the desorption, thereby make tail gas treatment be in continuous state, tail gas treatment's efficiency has been improved.
Optionally, the processing assembly includes condenser and oil water separator, the import of condenser with main adsorption tank the export of secondary adsorption tank all communicates with go out the steam pipe, the export of condenser with oil water separator's import intercommunication, oil water separator's overflow mouth with the storage tank intercommunication, and the bottom pass through the water pump with secondary adsorption tank intercommunication, secondary adsorption tank intercommunication has the drain pipe.
Through adopting above-mentioned technical scheme, vapor carries the benzene series flow that the adsorption component adsorbed to condenser department and cools off for vapor and benzene series change from the gaseous state into liquid state, liquid water and benzene series flow to oil-water separator department, oil-water separator makes vapor, benzene series be through cooling, the settlement divide into two-layer of profit, the oil layer is benzene series, the water layer is the aqueous solution that contains trace benzene series, flow into the storage tank when benzene series reaches the overflow mouth of oil-water separation department, the water layer is taken to secondary adsorption incasement through the water pump, the adsorption component in the secondary adsorption incasement adsorbs the water layer, make the water layer clean back discharge secondary adsorption case from the drain pipe, thereby make the benzene series of desorption easily retrieve through condenser, oil-water separator adsorb clean re-discharge, make benzene series's recovery be difficult for causing secondary pollution to the environment when improving benzene series rate of recovery.
Optionally, the condensation subassembly includes the condenser, the condenser includes condenser pipe and condensate plate, the condenser pipe wears to establish inside the condenser box, and with the condenser box is connected, the condensate plate is fixed to be set up on the condenser pipe, and inside cavity, the condensate plate with the inside intercommunication of condenser pipe, and follow the axis direction of condenser pipe is provided with a plurality of, the condenser pipe the interior even flow of condensate plate leads to there is the coolant liquid.
By adopting the technical scheme, the cooling liquid flows in the condensing pipe and the condensing plate, the tail gas contacts the condensing pipe and the condensing plate, and the cooling liquid exchanges heat with the tail gas, so that part of benzene compounds in the tail gas are liquefied, and the recovery of part of benzene compounds in the tail gas is completed; the contact area between the tail gas and the cooling liquid is enlarged through the condensing plate, and the effect and the efficiency of tail gas condensation are improved.
Optionally, a snap ring is disposed between adjacent condensing plates, the snap ring is disposed in the condensing tube and fixedly connected with the condensing tube, a baffle is disposed at the snap ring, the baffle is disposed on one side of the cooling liquid flowing through the snap ring, a spring is fixedly connected to one side of the baffle, which is close to the snap ring, and one end of the spring, which is far away from the baffle, is fixedly connected with the condensing tube.
Through adopting above-mentioned technical scheme, make the baffle support tightly on the cardboard through the spring, after the cooling liquid is full of the space that condenser pipe, the condensate plate of cardboard one side were kept away from to the cardboard, the hydraulic pressure of cooling liquid gradually increases, makes the spring further tensile until the hydraulic pressure of cooling liquid, makes baffle and cardboard separation to make the cooling liquid flow through the baffle, thereby through spring pulling baffle, make the cooling liquid easily be full of condenser pipe, condensate plate, make the condensation effect of condenser pipe, condensate plate easily guarantee.
Optionally, the both sides of condensate plate are provided with clean board and lower clean board respectively, go up clean board down clean board just sets up, and one side that is close to each other all is provided with the brush, go up clean board down fixedly between the clean board be provided with the torsional spring, go up clean board down brush on the clean board with condensate plate closely butt, go up clean board down clean board all with the condensate box is connected, the condenser pipe with the condensate box rotates to be connected, and through motor drive.
Through adopting above-mentioned technical scheme, through motor drive condenser pipe rotation, go up clean board, down clean the board and press from both sides tightly on the condensate plate under the effect of torsional spring, go up clean board, clean the board down and clean the condensate plate for be difficult for the deposit solid particle on the condensate plate, make the condensation effect of condensate plate be difficult for receiving the influence.
Optionally, go up the clean board down is all inside cavity, and all offered the dust absorption hole in one side that is close to each other, go up the clean board the dust absorption hole and the inside intercommunication of self, down the clean board the dust absorption hole communicates with the inside of self jointly through the pipeline, go up the clean board the inside of clean board down has the dust absorption pump through the pipeline intercommunication jointly, the dust absorption pump is located the condensing box is outside, and with condensing box fixed connection, go up the clean board down the clean board with the pipeline of dust absorption pump intercommunication is fixed wears to be established on the lateral wall of condensing box, the dust absorption pump intercommunication has the dust collection box.
Through adopting above-mentioned technical scheme, the dust absorption pump is taken the solid particle on the condensation plate into the dust collection box through the dust absorption hole to make the solid particle of deposit on the condensation plate be convenient for collect when clean.
Optionally, the adsorption component includes adsorption part, adsorption part includes backup pad and polymer adsorbent, the backup pad level is fixed to be set up in the main adsorption case, polymer adsorbent is provided with a plurality of, and all is located the backup pad top, a plurality of air vent has been seted up in the backup pad.
Through adopting above-mentioned technical scheme, tail gas lets in main adsorption box, and the macromolecular adsorbent absorbs the other benzene series thing in the tail gas, and the tail gas flows to blast pipe department through the air vent for the easy up-to-standard emission of tail gas.
Optionally, a plurality of blowing holes have been seted up to one side that the backup pad is close to the macromolecular adsorbent, a plurality of the blowing hole is located one end in the backup pad is through hole intercommunication, and has the fan through the hole intercommunication jointly.
Through adopting above-mentioned technical scheme, in blowing a plurality of blowing hole with the wind pressurization through the fan, the blowing hole blows the high molecular adsorbent department with the wind, makes the high molecular adsorbent turn through wind-force for the adsorption of high molecular adsorbent, desorption process is more even.
Optionally, the blowhole top is provided with inside hollow pivot, the pivot with the backup pad rotates to be connected, and with the blowhole is just to setting up, the pivot is close to the inside of blowhole one end is fixedly provided with a plurality of flabellum, a plurality of the flabellum winds the axis direction setting of pivot, a plurality of air-out hole has been seted up on the lateral wall of pivot, and fixedly connected with a plurality of turn-over lever.
Through adopting above-mentioned technical scheme, the wind-force of blowing hole blows on the flabellum of pivot, and wind-force blows the pivot through the flabellum and rotates, and the pivot drives the pole of turning and rotates, turns the pole and turns the macromolecular adsorbent, and wind-force blows out from the air-out hole simultaneously, turns the macromolecular adsorbent jointly through wind-force, turn the pole, has improved the effect of turning of macromolecular adsorbent.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the tail gas is condensed through the condensing pipe and the condensing plate, so that part of benzene series in the tail gas is easy to recover;
2. the upper cleaning plate and the lower cleaning plate are used for cleaning the condensing plate, so that solid particles deposited on the condensing plate are not easy to influence the condensing effect of the condensing plate;
3. the high molecular adsorbent is turned through the air blowing holes, so that the adsorption and desorption processes of the high molecular adsorbent are more uniform;
4. the controller regulates and controls the states of the first electric control valve and the second electric control valve according to the alarm signal of the TVOC alarm, so that the adsorption process of the tail gas is easy to continuously carry out.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present application;
FIG. 2 is a cross-sectional view intended to illustrate a condensing assembly;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is an enlarged view at B in fig. 2;
FIG. 5 is a cross-sectional view intended to illustrate an adsorption assembly;
fig. 6 is a sectional view intended to illustrate the flip portion;
fig. 7 is a schematic view for explaining the structure of the fan blade.
Reference numerals illustrate:
1. a condensing box; 11. a tail gas pipe; 12. an air outlet pipe; 13. a liquid outlet pipe; 2. a condensing assembly; 21. a condensing unit; 211. a condensing tube; 212. a condensing plate; 213. a baffle; 214. a clasp; 215. a spring; 22. a cleaning section; 221. a cleaning plate is arranged on the upper surface; 2211. dust collection holes; 2212. a brush; 222. a lower cleaning plate; 223. a torsion spring; 224. a dust collection pump; 23. a dust collection box; 3. a main adsorption tank; 31. an air inlet pipe; 32. an exhaust pipe; 33. a steam inlet pipe; 34. a steam outlet pipe; 4. a secondary adsorption tank; 41. a drain pipe; 5. an adsorption assembly; 51. an adsorption unit; 511. a support plate; 5111. a vent hole; 5112. a blowing hole; 52. a turning part; 521. a blower; 522. a rotating shaft; 5221. a fan blade; 5222. turning the rod; 5223. an air outlet hole; 6. a processing assembly; 61. a condenser; 62. an oil-water separator; 7. a storage tank; 8. a regulatory component; 81. a controller; 82. a first electrically controlled valve; 83. the second electric control valve; 84. TVOC alarm.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-7.
The embodiment of the application discloses an industrial tail gas treatment device. Referring to fig. 1, an industrial tail gas treatment device comprises a condensing box 1, a main adsorption box 3 and a storage tank 7, wherein the condensing box 1 is communicated with the main adsorption box 3 and the storage tank 7, the main adsorption box 3 is communicated with the storage tank 7, a condensing assembly 2 is arranged in the condensing box 1, an adsorbing assembly 5 is arranged in the main adsorption box 3, a treatment assembly 6 is arranged between the main adsorption box 3 and the storage tank 7, the condensing assembly 2 is used for condensing tail gas, the adsorbing assembly 5 is used for adsorbing the tail gas, and the treatment assembly 6 is used for treating the tail gas.
When the device is used, tail gas is introduced into the condensing box 1, the condensing assembly 2 condenses the tail gas, part of benzene series in the tail gas is condensed into the storage tank 7, the tail gas flows into the main adsorption box 3 after passing through the condensing box 1, the adsorption assembly 5 absorbs the rest benzene series in the tail gas, the tail gas is discharged after reaching standards, and the adsorption assembly 5 is desorbed and then enters the storage tank 7 through the treatment assembly 6, so that the benzene series in the tail gas is easy to recover.
Referring to fig. 1, a condensing box 1 is in an inverted conical shape and is vertically arranged, and the inside of the condensing box 1 is hollow. The lateral wall intercommunication of condensing case 1 has a plurality of tail gas pipe 11, and tail gas pipe 11 is circular, and the lateral wall of the perpendicular condensing case 1 of axis direction, and the top intercommunication of condensing case 1 has outlet duct 12, and the bottom intercommunication has drain pipe 13, drain pipe 13 and storage tank 7 intercommunication.
Referring to fig. 2, the condensing unit 2 includes a condensing unit 21 and a cleaning unit 22, the condensing unit 21 includes a condensing tube 211 and a condensing plate 212, the condensing tube 211 is circular and is installed on the top of the condensing box 1, the condensing tube 211 is coaxially arranged with the condensing box 1, the condensing tube 211 is rotatably connected with the condensing box 1, and driven by a motor and a gear, the bottom end of the condensing tube 211 is communicated with the outside of the condensing box 1 through a pipeline, and the bottom end of the condensing tube 211 is rotatably connected with the pipeline.
The condensing plate 212 is provided with a plurality of, and sets up along the axis direction of condenser pipe 211, and condensing plate 212 is the inverted cone, and with the coaxial fixed connection of condenser pipe 211, the inside cavity of condensing plate 212, and with the inside intercommunication of condenser pipe 211.
Referring to fig. 2 and 3, a clamping ring 214 and a baffle 213 are arranged below the condensation plate 212, the clamping ring 214 and the clamping plate are both positioned in the condensation pipe 211, the clamping ring 214 is in a circular ring shape and is matched with the condensation pipe 211, the clamping ring 214 is fixedly connected with the condensation pipe 211 coaxially, the baffle 213 is in a circular plate shape and is positioned below the clamping ring 214, the baffle 213 is horizontally arranged and is abutted to the bottom surface of the clamping ring 214, and the diameter of the baffle 213 is smaller than the outer diameter of the clamping ring 214 and larger than the inner diameter of the clamping ring 214.
A spring 215 is fixedly connected to one side of the baffle 213, which is close to the clamping ring 214, the spring 215 is positioned at the center of the baffle 213, and one end of the spring 215, which is far away from the baffle 213, is fixedly connected with the condensation tube 211. Cooling liquid is flowed into the condenser tube 211 and the condenser plate 212, and flows from the top end of the condenser tube 211 to the bottom end of the condenser tube 211.
Referring to fig. 2 and 4, the cleaning portion 22 is provided with a plurality of cleaning plates 221 and 222, and corresponds to the condensing plate 212 one by one, the cleaning portion 22 includes an upper cleaning plate 221 and a lower cleaning plate 222, the upper cleaning plate 221 is located on the top surface of the condensing plate 212, the lower cleaning plate 222 is located on the bottom surface of the condensing plate 212, a torsion spring 223 is fixedly arranged between one ends of the upper cleaning plate 221 and the lower cleaning plate 222 far away from the condensing tube 211, brushes 2212 are fixedly arranged on one sides of the upper cleaning plate 221 and the lower cleaning plate 222, which are close to each other, and the brushes 2212 are closely abutted against the condensing plate 212.
Referring to fig. 4, the upper cleaning plate 221 and the lower cleaning plate 222 are hollow, and a plurality of dust collection holes 2211 are formed in one side of the upper cleaning plate 221 and the lower cleaning plate 222, which are close to each other, the dust collection holes 2211 are arranged along the length direction of the upper cleaning plate 221, the dust collection holes 2211 are in a flared shape, the flared direction faces the condensation plate 212, the dust collection holes 2211 on the upper cleaning plate 221 are communicated with the inside of the condensation plate, and the dust collection holes 2211 on the lower cleaning plate 222 are communicated with the condensation plate 212.
Referring to fig. 2 and 4, the upper cleaning plate 221 and the lower cleaning plate 222 are communicated with a dust suction pump 224 through pipelines, the dust suction pump 224 is positioned outside the condensing box 1 and fixedly connected with the side wall of the condensing box 1, and the pipelines communicated with the dust suction pump 224 and the upper cleaning plate 221 and the lower cleaning plate 222 are fixedly arranged on the side wall of the condensing box 1 in a penetrating manner.
Referring to fig. 1 and 2, the dust suction pumps 224 of the plurality of cleaning units 22 are commonly connected with a rectangular dust box 23, and the dust box 23 is fixedly connected with the condensing box 1.
When the device is used, tail gas is led into the condensing box 1 from the tail gas pipe 11, cooling liquid flows in from the top end of the condensing pipe 211, the cooling liquid is filled with the condensing plate 212 under the action of the baffle plate 213, then the baffle plate 213 is separated from the clamping plate through the pressure tension spring 215 until the cooling liquid flows out of the condensing pipe 211, the condensing pipe 211 and the condensing plate 212 convert part of benzene in the tail gas into liquid through the cooling liquid, and part of benzene in the liquid flows into the storage tank 7, so that part of benzene is recovered; the condensing tube 211 rotates under the action of the motor, the upper cleaning plate 221 and the lower cleaning plate 222 clean the condensing plate 212 through the hairbrushes 2212, and solid particles on the condensing plate 212 are pumped into the dust box 23 through the dust suction pump 224 and the dust suction holes 2211, so that the cooling effect of the condensing plate 212 is not easily affected.
Referring to fig. 1, the main adsorption tank 3 is rectangular and provided with a plurality of, the main adsorption tank 3 is located one side of the condensing tank 1, the plurality of main adsorption tanks 3 are arranged along the length direction of the main adsorption tank 3, one side of the length direction of the main adsorption tank 3 is provided with the secondary adsorption tank 4, the secondary adsorption tank 4 is provided with one, the secondary adsorption tank 4 and the main adsorption tank 3 have the same structure, and the main adsorption tank 3 and the secondary adsorption tank 4 are all vertically arranged.
The main adsorption box 3 is communicated with an air inlet pipe 31, an air outlet pipe 32, a steam inlet pipe 33 and a steam outlet pipe 34, the air inlet pipe 31 and the steam inlet pipe 33 are all positioned at the top end of the main adsorption box 3, the air outlet pipe 32 and the steam outlet pipe 34 are all positioned at the bottom end of the main adsorption box 3, the air outlet pipe 12 is communicated with the air inlet pipe 31 of the main adsorption box 3 closest to the condensing box 1 and the air inlet pipe 31 of the secondary adsorption box 4, and the air outlet pipe 32 of the main adsorption box 3 close to the condensing box 1 is communicated with the air inlet pipe 31 of the main adsorption box 3 far away from the condensing box 1 between adjacent main adsorption boxes 3, and the air outlet pipe 32 of the secondary adsorption box 4 is communicated with the air outlet pipe 32 of the main adsorption box 3 furthest away from the condensing box 1.
Be provided with regulation and control subassembly 8 on the secondary adsorption tank 4, regulation and control subassembly 8 includes controller 81, first automatically controlled valve 82, second automatically controlled valve 83 and TVOC alarm 84, and the controller 81 is fixed to be set up on the top surface of secondary adsorption tank 4, and first automatically controlled valve 82 sets up on the intake pipe 31 of the main adsorption tank 3 that is closest to condensing tank 1, and second automatically controlled valve 83 sets up on the intake pipe 31 of secondary adsorption tank 4, and TVOC alarm 84 sets up on the blast pipe 32 of the main adsorption tank 3 that is furthest from condensing tank 1.
The controller 81 is electrically connected with the first electric control valve 82, the second electric control valve 83 and the TVOC alarm 84, the TVOC alarm 84 is used for outputting an alarm signal, and the controller 81 responds to the alarm signal and controls the opening and closing of the first electric control valve 82 and the second electric control valve 83.
When the exhaust gas treatment device is used, the TVOC alarm 84 detects the exhaust gas of the exhaust pipe 32, when the exhaust gas exceeds the early warning value of the TVOC alarm 84, the TVOC alarm 84 outputs an alarm signal, the controller 81 controls the first electric control valve 82 to be closed according to the alarm signal, the second electric control valve 83 to be opened, so that the exhaust gas treatment is transferred from the plurality of main adsorption tanks 3 to the secondary adsorption tanks 4, then the steam is introduced into the plurality of main adsorption tanks 3 through the steam inlet pipe 33, the plurality of main adsorption tanks 3 are desorbed, and the exhaust gas treatment is easy to be in a continuous running state, and the efficiency of the exhaust gas treatment is improved.
Referring to fig. 1, the treatment assembly 6 includes a condenser 61 and an oil-water separator 62, wherein an inlet of the condenser 61 is communicated with the steam outlet pipes 34 of the plurality of main adsorption tanks 3, and is also communicated with the steam outlet pipes 34 of the secondary adsorption tanks 4, and an outlet of the condenser 61 is communicated with an inlet of the oil-water separator 62.
The top of the oil-water separator 62 is communicated with the storage tank 7 through an overflow port, the bottom is communicated with the top of the secondary adsorption tank 4 through a water pump, and the bottom of the secondary adsorption tank 4 is communicated with a drain pipe 41.
When the adsorption device is used, water vapor carries benzene series absorbed in the main adsorption tank 3 into the condenser 61, the condenser 61 converts the water vapor and the benzene series into liquid, the liquid water and the benzene series flow to the oil-water separator 62, the oil-water separator 62 separates the water and the benzene series into a water layer and an oil layer, the oil layer is the benzene series, the water layer is an aqueous solution containing trace benzene series, when the benzene series reaches an overflow port of the oil-water separator 62, the benzene series flows into the storage tank 7 through the overflow port, the water layer is pumped into the secondary adsorption tank 4 through the water pump, the adsorption assembly 5 in the secondary adsorption tank 4 adsorbs the water layer, the water layer is discharged out of the secondary adsorption tank 4 from the drain pipe 41 after being cleaned, and thus the desorbed benzene series is easy to recover through the condenser 61 and the oil-water separator 62.
Referring to fig. 5, the adsorption assembly 5 is provided with a plurality of groups, the plurality of groups of adsorption assemblies 5 are arranged along a vertical direction, the adsorption assembly 5 comprises an adsorption part 51 and a turning part 52, the adsorption part 51 comprises a support plate 511 and a macromolecule adsorbent, the support plate 511 is rectangular plate-shaped and is adapted to the main adsorption box 3, and the support plate 511 is horizontally arranged and is fixedly connected with the main adsorption box 3.
The support plate 511 is provided with a plurality of ventilation holes 5111 along the length direction and the width direction, and the ventilation holes 5111 are circular and penetrate through the thickness of the support plate 511. The polymer adsorbents are provided in a plurality and are all located above the support plate 511, and the size of the polymer adsorbents is larger than the diameter of the ventilation holes 5111.
Referring to fig. 5 and 6, a plurality of blowing holes 5112 are formed in a side of the support plate 511, which is close to the polymeric adsorbent, along the length direction and the width direction, the blowing holes 5112 and the ventilation holes 5111 are arranged in a staggered manner, and the blowing holes 5112 are circular and are vertically arranged. The turning part 52 comprises a fan 521 and a rotating shaft 522, the rotating shaft 522 is provided with a plurality of rotating shafts 522 and blowing holes 5112 in one-to-one correspondence, and is positioned above the blowing holes 5112, the rotating shaft 522 is vertically arranged and is opposite to the blowing holes 5112, the rotating shaft 522 is matched with the blowing holes 5112, and the rotating shaft 522 is rotationally connected with the supporting plate 511 and is hollow.
Referring to fig. 6 and 7, a plurality of blades 5221 are fixedly disposed at one end of the rotating shaft 522 near the support plate 511, and the blades 5221 are disposed around the axis of the rotating shaft 522.
Referring to fig. 6, a plurality of flipping rods 5222 are fixedly disposed on the side wall of the rotating shaft 522 along the circumferential direction and the axial direction, the flipping rods 5222 are in a circular rod shape, and the axial direction is perpendicular to the axial direction of the rotating shaft 522. A plurality of air outlet holes 5223 are formed in the side wall of the rotating shaft 522 along the circumferential direction and the axial direction, and the air outlet holes 5223 are circular and penetrate through the wall thickness of the rotating shaft 522.
Referring to fig. 5 and 6, the fan 521 is located on the outer sidewall of the main adsorption box 3 and is fixedly connected with the main adsorption box 3, and the fan 521 is communicated with one ends of the plurality of blowing holes 5112 far away from the rotating shaft 522 through holes.
When the adsorption device is used, the tail gas contacts with the high molecular adsorbent, the high molecular adsorbent adsorbs benzene series in the tail gas, then the tail gas is discharged out of the main adsorption box 3 from the exhaust pipe 32 through the vent 5111, and the tail gas reaches the emission standard for emission through the adsorption effect of the high molecular adsorbent; through fan 521 to the blowing hole 5112 of a plurality of, wind-force passes through the rotation of a plurality of flabellum 5221 drive pivot 522, and pivot 522 drives the roll bar 5222 and rotates, and roll bar 5222 turns the polymer adsorbent, and wind-force blows into polymer adsorbent department from the air-out hole 5223 simultaneously to turn the polymer adsorbent through wind-force, roll bar 5222, make the adsorption of polymer adsorbent, desorption all easy even.
The implementation principle of the industrial tail gas treatment device provided by the embodiment of the application is as follows: when the device is used, tail gas is introduced into the condensing box 1, cooling liquid in the condensing pipe 211 and the condensing plate 212 exchanges heat with the tail gas, part of benzene series in the tail gas is liquefied and flows into the storage tank 7, other tail gas flows into the main adsorption box 3 through the air outlet pipe 12, the tail gas sequentially flows through the plurality of main adsorption boxes 3 and is discharged from the exhaust pipe 32 of the main adsorption box 3 farthest from the condensing box 1, and the macromolecule adsorbent in the main adsorption box 3 adsorbs the rest of benzene series in the tail gas, so that the tail gas is discharged up to the standard.
When the tail gas exceeds the early warning value of the TVOC alarm 84, the controller 81 controls the first electric control valve 82 to be closed, and controls the second electric control valve 83 to be opened, so that the tail gas enters the secondary adsorption tank 4, and the adsorption of the tail gas is easy to continuously carry out. Introducing water vapor into a plurality of main adsorption tanks 3, discharging benzene series adsorbed by the water vapor carrying polymer adsorbent from a vapor outlet pipe 34 out of the main adsorption tanks 3, so that the polymer adsorbent in the main adsorption tanks 3 is desorbed, the water vapor carrying the benzene series enters a condenser 61, the condenser 61 converts the water vapor and the benzene series into liquid, the liquid water and the benzene series flow into an oil-water separator 62, the oil-water separator 62 separates the benzene series and the water, the benzene series is positioned above the water, and when the liquid level of the benzene series reaches an overflow port of the oil-water separator 62, the benzene series flows into a storage tank 7 through the overflow port, so that the benzene series in tail gas is easy to recover in a condensation and adsorption mode, and resources in the tail gas are easy to recycle.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (6)

1. An industrial tail gas treatment device which is characterized in that: including condensing case (1), main adsorption case (3) and storage tank (7), condensing case (1) with main adsorption case (3) intercommunication, and the intercommunication has tail gas pipe (11), drain pipe (13), be provided with condensation subassembly (2) in condensing case (1), drain pipe (13) with storage tank (7) intercommunication, main adsorption case (3) intercommunication has blast pipe (32), advances steam pipe (33), goes out steam pipe (34), be provided with adsorption unit (5) in main adsorption case (3), go out steam pipe (34) and be connected with treatment unit (6), treatment unit (6) with storage tank (7) are connected, condensation unit (2) are used for carrying out cooling to the tail gas, adsorption unit (5) are used for adsorbing the tail gas, treatment unit (6) are used for handling the tail gas of desorption.
The condensing assembly (2) comprises a condensing part (21), the condensing part (21) comprises a condensing pipe (211) and a condensing plate (212), the condensing pipe (211) is arranged inside the condensing box (1) in a penetrating mode and is connected with the condensing box (1), the condensing plate (212) is fixedly arranged on the condensing pipe (211) and is hollow inside, the condensing plate (212) is communicated with the inside of the condensing pipe (211), a plurality of condensing plates are arranged along the axis direction of the condensing pipe (211), and cooling liquid is uniformly filled in the condensing pipe (211) and the condensing plate (212);
a clamping ring (214) is arranged between adjacent condensing plates (212), the clamping ring (214) is positioned in the condensing tube (211) and is fixedly connected with the condensing tube (211), a baffle (213) is arranged at the clamping ring (214), the baffle (213) is positioned at one side of cooling liquid flowing through the clamping ring (214), a spring (215) is fixedly connected with one side of the baffle (213) close to the clamping ring (214), and one end of the spring (215) away from the baffle (213) is fixedly connected with the condensing tube (211);
the condenser comprises a condenser body, and is characterized in that an upper cleaning plate (221) and a lower cleaning plate (222) are arranged on two sides of the condenser body (212), the upper cleaning plate (221) and the lower cleaning plate (222) are opposite to each other, brushes (2212) are arranged on one sides of the condenser body, which are close to each other, of the condenser body, torsion springs (223) are fixedly arranged between the upper cleaning plate (221) and the lower cleaning plate (222), the brushes (2212) on the upper cleaning plate (221) and the lower cleaning plate (222) are tightly abutted to the condenser body (212), the upper cleaning plate (221) and the lower cleaning plate (222) are connected with the condenser body (1), and the condenser tube (211) is rotationally connected with the condenser body (1) and driven by a motor;
the cleaning device comprises an upper cleaning plate (221), a lower cleaning plate (222) and a dust collection pump (224), wherein the upper cleaning plate (221) and the lower cleaning plate (222) are hollow, dust collection holes (2211) are formed in one sides of the upper cleaning plate (221) close to each other, the dust collection holes (2211) of the upper cleaning plate (221) are communicated with the inside of the lower cleaning plate (222), the dust collection pump (224) is communicated with the inside of the lower cleaning plate (222) through pipelines, the dust collection pump (224) is located outside the condensing box (1) and fixedly connected with the condensing box (1), the upper cleaning plate (221) and the lower cleaning plate (222) are fixedly arranged on the side wall of the condensing box (1) in a penetrating mode through pipelines communicated with the dust collection pump (224), and the dust collection pump (224) is communicated with the dust collection box (23).
2. An industrial exhaust gas treatment device according to claim 1, wherein: the utility model provides a condenser box (1) still communicates there is inferior adsorption case (4), inferior adsorption case (4) with main adsorption case (3) have the same structure, condenser box (1) intercommunication has outlet duct (12), main adsorption case (3) inferior adsorption case (4) all communicate there is intake pipe (31), outlet duct (12) with main adsorption case (3) intake pipe (31) all communicate of inferior adsorption case (4), on inferior adsorption case (4) blast pipe (32) with on main adsorption case (3) blast pipe (32) intercommunication, be provided with first automatically controlled valve (82) on intake pipe (31) of main adsorption case (3), be provided with second automatically controlled valve (83) on intake pipe (31) of inferior adsorption case (4), the exit of blast pipe (32) of main adsorption case (3) is provided with TVOC alarm (84), first valve (82), second valve (83) electric controller (84) electric controller (84) are used for one to respond to TVOC (81) electric controller (84) electric controller (electric controller) alarm signal (81) And the second electric control valve (83) is opened and closed.
3. An industrial exhaust gas treatment device according to claim 2, wherein: the treatment assembly (6) comprises a condenser (61) and an oil-water separator (62), wherein an inlet of the condenser (61) is communicated with the main adsorption tank (3) and the steam outlet pipe (34) of the secondary adsorption tank (4), an outlet of the condenser (61) is communicated with an inlet of the oil-water separator (62), an overflow port of the oil-water separator (62) is communicated with the storage tank (7), a bottom end of the overflow port is communicated with the secondary adsorption tank (4) through a water pump, and a drain pipe (41) is communicated with the secondary adsorption tank (4).
4. An industrial exhaust gas treatment device according to claim 1, wherein: the adsorption component (5) comprises an adsorption part (51), the adsorption part (51) comprises a support plate (511) and a high molecular adsorbent, the support plate (511) is horizontally and fixedly arranged in the main adsorption box (3), the high molecular adsorbent is provided with a plurality of adsorption components and is located above the support plate (511), and a plurality of ventilation holes (5111) are formed in the support plate (511).
5. An industrial exhaust gas treatment device according to claim 4, wherein: one side of the supporting plate (511) close to the macromolecule adsorbent is provided with a plurality of blowing holes (5112), one end of the blowing holes (5112) in the supporting plate (511) is communicated with a fan (521) through holes.
6. An industrial exhaust gas treatment device according to claim 5, wherein: the utility model discloses a fan, including blowing hole (5112) and pivot, blowing hole (5112) top is provided with inside hollow pivot (522), pivot (522) with backup pad (511) rotate to be connected, and with blowing hole (5112) just set up, pivot (522) are close to the inside of blowing hole (5112) one end is fixed to be provided with a plurality of flabellum (5221), a plurality of flabellum (5221) are around the axis direction setting of pivot (522), a plurality of apopore (5223) have been seted up on the lateral wall of pivot (522), and fixedly connected with a plurality of turn-over lever (5222).
CN202211007775.2A 2022-08-22 2022-08-22 Industrial tail gas treatment device Active CN115337752B (en)

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CN208145704U (en) * 2018-03-05 2018-11-27 泰州百力化学股份有限公司 A kind of butyl acetate tail gas carbon fiber adsorption processing system
CN112546841A (en) * 2020-12-15 2021-03-26 格林美(江苏)钴业股份有限公司 Cobalt extraction acidic mixed organic waste gas treatment method and equipment
CN216223634U (en) * 2021-11-19 2022-04-08 巩义市恒铭金属制品有限公司 Adsorption purification device for waste gas treatment

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005000862A (en) * 2003-06-13 2005-01-06 Idemitsu Eng Co Ltd Adsorption apparatus and adsorption method
CN102814103A (en) * 2012-08-27 2012-12-12 浙江大学 Four-stage sludge drying tail gas treatment system
CN205182474U (en) * 2015-08-21 2016-04-27 天津同益环保设备有限公司 Sour abandonment clarifier is administered to compound adsorbent structure
CN106902617A (en) * 2017-03-17 2017-06-30 河北科技大学 A kind of high concentration VOC air purifying recovering apparatus and method
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