CN115006956B - Waste gas purification treatment system based on VOC waste gas treatment technology and control method - Google Patents
Waste gas purification treatment system based on VOC waste gas treatment technology and control method Download PDFInfo
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- CN115006956B CN115006956B CN202210555203.1A CN202210555203A CN115006956B CN 115006956 B CN115006956 B CN 115006956B CN 202210555203 A CN202210555203 A CN 202210555203A CN 115006956 B CN115006956 B CN 115006956B
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000000746 purification Methods 0.000 title claims abstract description 31
- 239000002912 waste gas Substances 0.000 title claims abstract description 29
- 238000005516 engineering process Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 239000007921 spray Substances 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 238000005507 spraying Methods 0.000 claims abstract description 35
- 239000012535 impurity Substances 0.000 claims abstract description 32
- 239000007789 gas Substances 0.000 claims abstract description 31
- 239000000945 filler Substances 0.000 claims abstract description 24
- 239000002245 particle Substances 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 35
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 35
- 239000003546 flue gas Substances 0.000 claims description 35
- 239000012855 volatile organic compound Substances 0.000 claims description 28
- 238000001179 sorption measurement Methods 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 14
- 238000007790 scraping Methods 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 11
- 239000000779 smoke Substances 0.000 claims description 11
- 239000003595 mist Substances 0.000 claims description 10
- 239000002775 capsule Substances 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 8
- 230000008602 contraction Effects 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002894 chemical waste Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- -1 filter screen Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/79—Regeneration of the filtering material or filter elements inside the filter by liquid process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/02—Separation 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses an exhaust gas purification treatment system and a control method based on a VOC exhaust gas treatment technology, wherein the exhaust gas purification treatment system comprises a spray tower assembly, the upper end of the spray tower assembly is connected with a connecting pipe, the spray tower assembly consists of a first shell, a feed inlet, a motor, a bevel gear assembly, a filler, a filter screen, a buffer plate and a spray nozzle, the upper end of the first shell is fixedly connected and communicated with the connecting pipe, one side of the first shell is fixedly connected with the feed inlet, and the output end of the motor is connected with the bevel gear assembly. The waste gas purification treatment system based on the VOC waste gas treatment technology and the control method thereof are characterized in that a first electromagnetic valve and a second electromagnetic valve are opened, a part of water is led into a water spraying ring through the first electromagnetic valve, a liquid spraying column and the second electromagnetic valve by a water pipe communicated with a spray head, the water spraying ring spreads the water into a cavity at the inner lower end of a first shell, and when the water is spread on the surface of a filter screen, the water promotes the large particle impurities attached to the surface of the filter screen to fall off.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a waste gas purification treatment system and a control method based on a VOC waste gas treatment technology.
Background
Waste gas purification mainly refers to the work of treating industrial waste gas such as dust particles, smoke dust, peculiar smell gas and toxic and harmful gas generated in industrial sites. Common waste gas purification comprises factory smoke dust waste gas purification, workshop dust waste gas purification, organic waste gas purification, waste gas peculiar smell purification, acid-base waste gas purification, chemical waste gas purification and the like, VOC is a volatile organic compound, and definition in the environment-friendly sense refers to active volatile organic matters, namely the volatile organic matters which can generate harm.
The existing waste gas purification treatment system based on VOC waste gas treatment technology needs to adopt a spray tower, the spray tower needs to adopt fillers to increase the contact area of water and flue gas, and most fillers can not effectively treat impurities firmly attached to blades in the use process, so that the subsequent cleaning burden is increased, besides, the removal of large-particle impurities attached to a filter screen in the spray tower can not be promoted, the filter screen is easy to block, the dredging of the filter screen can not be influenced by cleaning a sprinkling ring, the water vapor in the flue gas can not be timely promoted by the filter in the system to be liquefied and discharged, and the subsequent treatment steps are increased.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an exhaust gas purification treatment system and a control method based on the VOC exhaust gas treatment technology, which solve the problems that the system cannot effectively treat the impurities attached to the blades, increase the subsequent cleaning burden, cannot promote the removal of the impurities attached to the filter screen in the spray tower, cause the blockage of the filter screen and the like.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides an exhaust purification treatment system based on VOC exhaust gas treatment technique, includes spray column subassembly, spray column subassembly upper end is connected with the connecting pipe, spray column subassembly comprises first casing, feed inlet, motor, bevel gear subassembly, filler, filter screen, buffer board, shower nozzle, first casing upper end and connecting pipe fixed connection and intercommunication, first casing one side middle-end and feed inlet fixed connection, first casing is close to feed inlet lower extreme fixedly connected with motor, the motor output is connected with the bevel gear subassembly of being connected with first casing, bevel gear subassembly upper end is connected with the filler of being connected with first casing, be equipped with the cavity near the feed inlet end in the first casing, the cavity is close to filler end fixedly connected with filter screen, first casing is close to filler upper end fixedly connected with water pipe, water pipe lower extreme fixedly connected with shower nozzle, first casing is close to shower nozzle upper end fixedly connected with buffer board, connecting pipe end connection has filter component, filter component side-end connection has active carbon adsorption tower, active carbon adsorption tower other end respectively fixedly connected with heat exchanger, active carbon adsorption fan, heat exchanger all fixedly connected with exhaust gas exchange fan;
the filling material consists of a first electromagnetic valve, a cylinder body, a bag body, a liquid spraying column, a second electromagnetic valve, a water spraying ring, an anti-blocking mechanism, a third connecting rod and a dredging piece, wherein the upper end of the first electromagnetic valve is fixedly connected with a water pipe, the lower end of the water spraying ring is fixedly connected with a driven bevel gear at the inner end of a bevel gear assembly, the lower end of the first electromagnetic valve is rotationally connected with the cylinder body, the inner end of the cylinder body is fixedly connected with the liquid spraying column communicated with the first electromagnetic valve, the side end of the liquid spraying column is provided with a drain hole communicated with the inner end of the liquid spraying column, the lower end of the liquid spraying column is fixedly connected with the second electromagnetic valve fixedly connected with the cylinder body and communicated with the water spraying ring, the water spraying ring is fixedly connected with the cylinder body coaxially, the bag body is connected with the anti-blocking mechanism connected with the cylinder body, the edges of the upper end and the lower end of the bag body are rotationally connected with the third connecting rod, the third connecting rod is slidingly connected with the cylinder body, and the dredging piece connected with the cylinder body is close to the outer end of the cylinder body;
the dredging piece comprises a storage block, a telescopic block, a spring, a moving block and a scraping blade, wherein the storage block is fixedly connected with a third connecting rod, the inner end of the storage block is in sliding connection with the telescopic block, the spring is respectively fixedly connected with the storage block and the telescopic block, the moving block is in sliding connection with the blade at the outer end of the cylinder body and is fixedly connected with the extension end of the telescopic block, and the moving block is rotationally connected with the scraping blade attached to the surface of the blade.
Preferably, the edges of the upper end and the lower end of the bag body are fixedly connected with sealing gaskets, and the rotating end of the scraping blade is fixedly connected with a torsion spring fixedly connected with the moving block.
Preferably, the anti-blocking mechanism comprises a first connecting rod, a second connecting rod, a supporting piece and an anti-blocking brush, wherein the inclined upper end of the first connecting rod is fixedly connected with the bag body, the second connecting rod is in sliding connection with the barrel body, and the supporting spring at the inner end of the supporting piece is respectively fixedly connected with the barrel body and the second connecting rod.
Preferably, the inclined lower end of the first connecting rod is rotationally connected with the second connecting rod, the sliding rod at the inner end of the supporting piece is in sliding connection with the second connecting rod, and the bottom of the second connecting rod is fixedly connected with the anti-blocking brush.
Preferably, the filter assembly comprises a second shell, a cover plate, an air cooler, a regulating part, a supporting frame, a demisting plate and a discharging part, wherein two sides of the second shell are fixedly connected and communicated with a connecting pipe and an activated carbon adsorption tower respectively, the front surface of the second shell is fixedly connected with the cover plate, the top of the second shell is fixedly connected with the air cooler, the regulating part is connected with the inner end of the second shell and the air cooler exhaust end respectively and communicated with the supporting frame, the inner end of the second shell is fixedly connected with the supporting frame, the supporting frame is in sliding connection with the demisting plate, and the bottom end of the second shell is connected with the discharging part.
Preferably, the regulating part comprises a casing, an impeller, a first belt pulley assembly and a second belt pulley assembly, wherein the casing is fixedly connected and communicated with an air cooler exhaust end and a supporting frame air inlet end respectively, the second belt pulley assembly is connected with the inner lower end of the second casing, the second belt pulley assembly is positioned at the upper end of the discharging part, and the cover plate is fixedly connected with the second casing through a screw.
Preferably, the inner end of the shell is rotationally connected with the impeller, the impeller is coaxially and fixedly connected with the driving pulley at the inner end of the first pulley assembly close to the outer end of the shell, the driven pulley at the inner lower end of the first pulley assembly is coaxially and fixedly connected with the driving pulley at the inner end of the second pulley assembly, and bristles are arranged on the surface of the belt at the inner end of the second pulley assembly.
Preferably, the discharging part is composed of a filter plate, a third electromagnetic valve and a liquid discharge pump, the filter plate is in sliding connection with the inner lower end of the second shell, the second shell is close to the lower end of the filter plate and is fixedly connected with the third electromagnetic valve, and the lower end of the third electromagnetic valve is fixedly connected with the liquid discharge end of the liquid discharge pump.
The invention also discloses a control method of the waste gas purification treatment system based on the VOC waste gas treatment technology when in use, which comprises the following steps:
step one: starting an activated carbon adsorption tower, a heat exchanger, a fan, an exhaust piece, a motor and an air cooler, wherein the motor drives a filler to rotate through a bevel gear assembly, so that a spray head sprays liquid, VOC flue gas is injected into the inner lower end of a first shell through a feed inlet, a filter screen in the first shell filters large particle impurities in the flue gas, the flue gas is led into a filter assembly from a groove, the spray head, a buffer plate and a connecting pipe of the first shell, when the flue gas passes through the filler, the filler is matched with water sprayed by the spray head, the contact area of the flue gas and water is increased, further, part of impurities in the flue gas are separated from the flue gas, the air cooler injects cold air into a supporting frame through a regulating piece, and finally the exhaust pipe ends on two sides of the bottom of the supporting frame are discharged, when the cold air passes through the supporting frame, the mist is cooled by the mist removing plate at the inner end of the filter assembly, and cold liquefying is carried out by the mist removing, and the liquefied water is stagnated at the inner bottom end of a filter plate, a third solenoid valve and a liquid discharging pump are started at fixed time, the liquid discharging pump is pumped out and is led to a proper position, and then the flue gas enters the activated carbon adsorption tower, the air exchanger and the air is matched with the air exchanger, and the impurities in the flue gas are discharged after the flue gas is treated;
step two: in the first step, the first electromagnetic valve and the second electromagnetic valve are opened, a part of water is led into the water spraying ring through the first electromagnetic valve, the liquid spraying column and the second electromagnetic valve by the water pipe communicated with the spray head, the water is sprayed into the cavity at the inner lower end of the first shell by the water spraying ring, when the water is sprayed onto the surface of the filter screen, the water promotes the large particle impurities adhered to the surface of the filter screen to fall off, the second electromagnetic valve is closed at regular time, at the moment, the water is discharged from the water discharging Kong Penru bag body at the side end of the liquid spraying column, the bag body is gradually expanded under the action of water pressure, the first connecting rod and the third connecting rod are driven to move in the expansion process of the bag body, the first connecting rod pushes the second connecting rod and the anti-blocking brush at the lower end of the second connecting rod to move downwards, the anti-blocking brush cleans the surface of the sprinkler ring, the third connecting rod drives the containing block to move towards the end far away from the main body of the cylinder, in the process, the spring gradually pops up the telescopic block, the telescopic block drives the moving block and the scraping blade at the upper end of the moving block to move along the blade on the outer surface of the cylinder, the scraping blade is tightly attached to the blade under the action of the torsion spring, the scraping blade drops off smoke impurities attached to the surface of the blade in the moving process, the moving containing block dredges the blades, and blockage caused by excessive impurities attached between the blades is avoided;
step three: in the second step, after cleaning and dredging the blade, the first electromagnetic valve is closed, the second electromagnetic valve is opened, the spring component gradually promotes the contraction of the bag body, water is gradually discharged under the action of the contraction bag body, the third connecting rod drives the dredging piece and the corresponding component at the inner end of the dredging piece to reset, and the inner end of the supporting piece supports the spring to promote the first connecting rod, the second connecting rod and the anti-blocking brush to reset.
Preferably, in the first step, the gas drives the impeller at the inner end of the casing to rotate when passing through the casing, the impeller drives the second belt pulley assembly to operate through the first belt pulley assembly, and the bristles on the belt surface at the inner end of the second belt pulley assembly clean impurities attached to the surface of the second belt pulley assembly when passing through the filter plate.
Advantageous effects
The invention provides an exhaust gas purification treatment system and a control method based on VOC exhaust gas treatment technology. Compared with the prior art, the method has the following beneficial effects:
(1) This waste gas purification treatment system based on VOC waste gas treatment technique through setting up the watering ring in the barrel bottom, opens first solenoid valve, second solenoid valve, and the water pipe with shower nozzle intercommunication will be partly water in first solenoid valve, liquid column, the leading-in watering ring of second solenoid valve, in the cavity of lower extreme in the watering ring will water disseminate to first casing, when water disseminate to the filter screen surface, water promotes that the large granule impurity that adheres to on the filter screen surface drops, and then avoids the filter screen to stop up.
(2) This waste gas purification treatment system based on VOC waste gas treatment technique, through setting up the utricule in the barrel, close the second solenoid valve at regular time, in the drainage Kong Penru utricule of water follow hydrojet post side this moment, the utricule expands gradually under the effect of hydraulic pressure, the utricule expansion in-process drives first connecting rod, the third connecting rod is removed, wherein, the third connecting rod drives the storage piece and moves towards keeping away from barrel main part end, at this in-process, the spring pops out the flexible piece gradually, flexible piece drives the blade motion of the doctor-bar of movable block and its upper end along barrel surface, the doctor-bar closely laminates with the blade under the effect of torsional spring, the doctor-bar is in the motion in-process, carry out the treatment that drops to the flue gas impurity of blade surface adhesion, the storage piece of removal dredges between the blade, avoid too much impurity of blade adhesion to lead to the jam.
(3) This exhaust purification treatment system based on VOC exhaust gas treatment technique through setting up anti-blocking mechanism in the barrel, at the bag body inflation in-process, and first connecting rod promotes the anti-blocking brush of second connecting rod and lower extreme down motion, prevents that the anti-blocking brush cleans the watering ring surface, avoids watering ring surface to adhere to too much impurity, influences follow-up watering operation, increases follow-up clean step.
(4) This exhaust purification treatment system based on VOC exhaust gas treatment technique through setting up the air-cooler in filter subassembly, in the air-cooler pours into the carriage with cold wind through the regulating part, and finally discharge from the exhaust pipe end of carriage bottom both sides, cool treatment is carried out to the defogging board when cold wind passes through the carriage, when flue gas gets into filter subassembly, the defogging board of filter subassembly inner filters the water smoke in, and the water smoke meets cold liquefaction, the liquefied water stagnates in the bottom in the second casing through the filter plate, the timing starts the third solenoid valve, the drainage pump will take out and lead to suitable position, avoid second casing bottom ponding too much.
Drawings
FIG. 1 is a front elevational view of the structure of the present invention;
FIG. 2 is a cross-sectional view of the inner end spray tower assembly of the present invention;
FIG. 3 is a cross-sectional view of the inner end packing of the present invention;
FIG. 4 is a top view of the inner end barrel and pull through of the present invention;
FIG. 5 is an enlarged cross-sectional view of the inner end pull through of the present invention;
FIG. 6 is an enlarged view of the inner end blocking prevention mechanism of the present invention;
FIG. 7 is a front view of the inner end filter assembly of the present invention;
FIG. 8 is a cross-sectional view of the inner end filter assembly of the present invention;
FIG. 9 is a cross-sectional view of the inner end adjustment member of the present invention;
FIG. 10 is an enlarged view of the inner end discharge member of the present invention; .
In the figure: 1. a spray tower assembly; 11. a first housing; 12. a feed inlet; 13. a motor; 14. a bevel gear assembly; 15. a filler; 151. a first electromagnetic valve; 152. a cylinder; 153. a bladder; 154. a liquid spraying column; 155. a second electromagnetic valve; 156. a watering ring; 157. an anti-blocking mechanism; 1571. a first link; 1572. a second link; 1573. a support; 1574. anti-blocking brush; 158. a third link; 159. a dredging piece; 1591. a storage block; 1592. a telescopic block; 1593. a spring; 1594. a moving block; 1595. a wiper blade; 16. a filter screen; 17. a buffer plate; 18. a spray head; 2. a connecting pipe; 3. a filter assembly; 31. a second housing; 32. a cover plate; 33. an air cooler; 34. an adjusting member; 341. a housing; 342. an impeller; 343. a first pulley assembly; 344. a second pulley assembly; 35. a support frame; 36. a defogging plate; 37. a discharging part; 371. a filter plate; 372. a third electromagnetic valve; 373. a liquid discharge pump; 4. an activated carbon adsorption tower; 5. a heat exchanger; 6. a blower; 7. and an exhaust member.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-10, the present invention provides a technical solution: the waste gas purification treatment system based on VOC waste gas treatment technology comprises a spray tower component 1, wherein the upper end of the spray tower component 1 is connected with a connecting pipe 2, the spray tower component 1 consists of a first shell 11, a feed inlet 12, a motor 13, a bevel gear component 14, a filler 15, a filter screen 16, a buffer plate 17 and a spray nozzle 18, the upper end of the first shell 11 is fixedly connected and communicated with the connecting pipe 2, the middle end of one side of the first shell 11 is fixedly connected with the feed inlet 12, the first shell 11 is fixedly connected with the motor 13 near the lower end of the feed inlet 12, the output end of the motor 13 is connected with the bevel gear component 14 connected with the first shell 11, the upper end of the bevel gear component 14 is connected with the filler 15 connected with the first shell 11, a cavity is arranged in the first shell 11 near the end of the feed inlet 12, the cavity is fixedly connected with the filter screen 16 near the end of the filler 15, the filler 15 is composed of a first electromagnetic valve 151, a cylinder 152, a bag body 153, a liquid spraying column 154, a second electromagnetic valve 155, a water spraying ring 156, an anti-blocking mechanism 157, a third connecting rod 158 and a dredging piece 159, wherein the upper end of the first electromagnetic valve 151 is fixedly connected with a water pipe, the lower end of the water spraying ring 156 is fixedly connected with the inner end of a bevel gear assembly 14 by a driven bevel gear, the lower end of the first electromagnetic valve 151 is rotationally connected with the cylinder 152, the inner end of the cylinder 152 is fixedly connected with the bag body 153, the inner end of the cylinder 152 close to the inner end of the bag body 153 is fixedly connected with the liquid spraying column 154 communicated with the first electromagnetic valve 151, the side end of the liquid spraying column 154 is provided with a drain hole communicated with the inner end of the liquid spraying column 154, the lower end of the liquid spraying column 154 is fixedly connected with a second electromagnetic valve 155 fixedly connected with the cylinder 152 and communicated with the water spraying ring 156, the water spraying ring 156 is fixedly connected with the cylinder 152 in a coaxial and fixedly connected with the cylinder 152, the anti-blocking mechanism 157 connected with the cylinder 152 is connected with the upper and lower end edge of the bag 153, the third connecting rod 158 is rotationally connected with the edge of the cylinder 152, the third connecting rod 158 is connected with a dredging piece 159 connected with the barrel 152 near the outer end of the barrel 152;
the dredging piece 159 comprises a storage block 1591, a telescopic block 1592, a spring 1593, a moving block 1594 and a scraping blade 1595, wherein the storage block 1591 is fixedly connected with a third connecting rod 158, the inner end of the storage block 1591 is in sliding connection with the telescopic block 1592, the spring 1593 is respectively fixedly connected with the storage block 1591 and the telescopic block 1592, the moving block 1594 is in sliding connection with the outer end blade of the cylinder 152 and is fixedly connected with the extension end of the telescopic block 1592, the moving block 1594 is rotationally connected with a scraping blade 1595 attached to the surface of a blade, the edges of the upper end and the lower end of the bag 153 are fixedly connected with sealing gaskets, the rotating end of the scraping blade 1595 is fixedly connected with a torsion spring fixedly connected with the moving block 1594, the second electromagnetic valve 155 is closed at fixed time, water is discharged from the drainage Kong Penru at the side end of the liquid spraying column 154, the bag 153 is gradually expanded under the action of water pressure, the bag 153 drives the first connecting rod 1571 and the third connecting rod 158 to move in the expansion process, the third connecting rod 158 drives the storage block 1591 to move towards the main body end far away from 152, in the process, the spring 1593 is gradually ejects the block 1595 and the blade 1595 to be attached to the blade 1595, and the blade 1595 is attached to the surface of the blade 1595, and impurities are prevented from being attached to the surface of the blade 1595.
The anti-blocking mechanism 157 is composed of a first connecting rod 1571, a second connecting rod 1572, a supporting piece 1573 and an anti-blocking brush 1574, wherein the inclined upper end of the first connecting rod 1571 is fixedly connected with the capsule 153, the second connecting rod 1572 is in sliding connection with the barrel 152, a supporting spring at the inner end of the supporting piece 1573 is fixedly connected with the barrel 152 and the second connecting rod 1572 respectively, the inclined lower end of the first connecting rod 1571 is rotatably connected with the second connecting rod 1572, a sliding rod at the inner end of the supporting piece 1573 is in sliding connection with the second connecting rod 1572, the bottom of the second connecting rod 1572 is fixedly connected with the anti-blocking brush 1574, the first connecting rod 1571 pushes the second connecting rod 1572 and the anti-blocking brush 1574 at the lower end of the second connecting rod to move downwards in the expansion process of the capsule 153, the anti-blocking brush 1574 cleans the surface of the sprinkler ring 156, excessive impurities are prevented from adhering to the surface of the sprinkler ring 156, the subsequent sprinkling operation is influenced, and the subsequent cleaning steps are increased.
The first casing 11 is close to the filler 15 upper end fixedly connected with water pipe, water pipe lower extreme fixedly connected with shower nozzle 18, first casing 11 is close to shower nozzle 18 upper end fixedly connected with buffer board 17, connecting pipe 2 end-to-end connection has filter subassembly 3, filter subassembly 3 side end connection has activated carbon adsorption tower 4, filter subassembly 3 comprises second casing 31, apron 32, air-cooler 33, regulating part 34, braced frame 35, defogging board 36, discharge part 37, second casing 31 both sides respectively with connecting pipe 2, activated carbon adsorption tower 4 fixed connection and intercommunication, second casing 31 front and apron 32 fixed connection, second casing 31 top and air-cooler 33 fixed connection, regulating part 34 respectively with second casing 31 inner, air-cooler 33 exhaust end connection and with braced frame 35 intercommunication, second casing 31 inner and braced frame 35 fixed connection with defogging board 36 sliding connection, second casing 31 bottom and discharge part 37, air-cooler 33 pours cold wind into braced frame 35 through regulating part 34, and finally from the exhaust pipe end of braced frame 35 bottom both sides, filter plate 3 is carried out when meeting at the filter plate 35 inner filter plate 3 and filter plate filter smoke filter plate 3 is cooled, the filter plate is liquefied in the filter plate 3 when the filter plate is cooled.
The regulating member 34 is composed of a casing 341, an impeller 342, a first belt pulley assembly 343 and a second belt pulley assembly 344, wherein the casing 341 is fixedly connected and communicated with the exhaust end of the air cooler 33 and the air inlet end of the supporting frame 35 respectively, the second belt pulley assembly 344 is connected with the inner lower end of the second casing 31, the second belt pulley assembly 344 is positioned at the upper end of the discharging member 37, the cover plate 32 is fixedly connected with the second casing 31 through screws, the inner end of the casing 341 is rotationally connected with the impeller 342, the impeller 342 is close to the outer end of the casing 341 and is coaxially and fixedly connected with a driving belt pulley at the inner end of the first belt pulley assembly 343, a driven belt pulley at the inner lower end of the first belt pulley assembly 343 is coaxially and fixedly connected with a driving belt pulley at the inner end of the second belt pulley assembly 344, bristles are arranged on the belt surface of the inner end of the second belt pulley assembly 344, the impeller 342 drives the second belt pulley assembly 344 to operate through the first belt pulley assembly 343 when air passes through the casing 341, and the bristles on the inner end surface of the second belt pulley assembly 344 clean impurities attached to the surface of the filter plate 371 when passing through the filter plate 371, so that the filter plate 371 is prevented from being blocked.
The discharging part 37 consists of a filter plate 371, a third electromagnetic valve 372 and a liquid discharging pump 373, wherein the filter plate 371 is in sliding connection with the inner lower end of the second shell 31, the second shell 31 is close to the lower end of the filter plate 371 and is fixedly connected with the third electromagnetic valve 372, the lower end of the third electromagnetic valve 372 is fixedly connected with the liquid extracting end of the liquid discharging pump 373, the third electromagnetic valve 372 and the liquid discharging pump 373 are started at fixed time, the liquid discharging pump 373 is extracted and led to a proper position, excessive accumulated water at the bottom end of the second shell 31 is avoided, the other end of the activated carbon adsorption tower 4 is respectively and fixedly connected with a heat exchanger 5 and a fan 6, and the activated carbon adsorption tower 4 and the heat exchanger 5 are respectively and fixedly connected with an exhaust part 7;
the invention also discloses a control method of the waste gas purification treatment system based on the VOC waste gas treatment technology when in use, which comprises the following steps:
step one: starting an active carbon adsorption tower 4, a heat exchanger 5, a fan 6, an exhaust piece 7, a motor 13 and an air cooler 33, wherein the motor 13 drives a filler 15 to rotate through a bevel gear assembly 14, so that a spray head 18 sprays liquid, VOC flue gas is injected into the inner lower end of a first shell 11 through a feed inlet 12, a filter screen 16 in the first shell 11 filters large particle impurities in the flue gas, the flue gas is then guided into a filter assembly 3 from a groove, a spray head 18, a buffer plate 17 and a connecting pipe 2 of the first shell 11, which are close to the filler 15, when the flue gas passes through the filler 15, the filler 15 is matched with water sprayed by the spray head 18, the contact area of the flue gas and water is increased, and then part of impurities in the flue gas are separated from the flue gas, the air cooler 33 injects cold air into a supporting frame 35 through a regulating piece 34, and finally is discharged from the exhaust pipe ends at two sides of the bottom of the supporting frame 35, when the cold air passes through the supporting frame 35, the filter screen 36 filters large particle impurities in the flue gas, the liquid mist in the flue gas is filtered by the demisting plate 36 at the inner end of the filter assembly 3, the water mist is liquefied, the mist is sucked out of the flue gas by the liquid pump in the first shell 11, the water is stopped at the second shell 371 end 31, the position of the third shell 31, the position of the electromagnetic valve is then the active carbon absorption tower 7 is started, and the active carbon absorption tower 4 is discharged, and the like, and the active carbon absorption tower 4 is properly matched with the exhaust position is discharged, and the active carbon absorption tower 4 is discharged;
step two: in the first step, the first electromagnetic valve 151 and the second electromagnetic valve 155 are opened, a water pipe communicated with the spray head 18 guides part of water into the spray ring 156 through the first electromagnetic valve 151, the spray column 154 and the second electromagnetic valve 155, the spray ring 156 spreads the water into a cavity at the inner lower end of the first shell 11, when the water spreads to the surface of the filter screen 16, the water promotes the large particle impurities attached to the surface of the filter screen 16 to fall off, the second electromagnetic valve 155 is closed at regular time, at this time, the water is discharged from the water outlet Kong Penru bag 153 at the side end of the spray column 154, the bag 153 is gradually expanded under the action of water pressure, the bag 153 drives the first connecting rod 1571 and the third connecting rod 158 to move in the expansion process, wherein the first connecting rod 1571 pushes the second connecting rod 1572 and the anti-blocking brush 1574 at the lower end thereof to move downwards, the anti-blocking brush 1574 cleans the surface of the spray ring 156, the third connecting rod 158 drives the storage block 1591 to move towards the main body end far away from the cylinder 152, in the process, the spring 1593 gradually ejects the telescopic block 1592, the telescopic block 1595 drives the moving block 1595 and blades 1595 at the upper end of the blade 1595 to move along the blade 1595 to the blade 1595 closely attached to the surface of the blade 1595 to the blade 1595 closely adhere to the surface of the smoke gas to the blade 1595 during the smoke cleaning process;
step three: in the second step, after cleaning and dredging the blade, the first electromagnetic valve 151 is closed and the second electromagnetic valve 155 is opened, the spring assembly gradually promotes the contraction of the bag body 153, the water is gradually discharged under the action of the contracted bag body 153, the third connecting rod 158 drives the dredging member 159 and the corresponding components at the inner end thereof to reset, and the inner end of the supporting member 1573 supports the spring to promote the first connecting rod 1571, the second connecting rod 1572 and the anti-blocking brush 1574 to reset.
Meanwhile, what is not described in detail in the present specification belongs to the prior art known to those skilled in the art, in the first step, when the gas passes through the casing 341, the impeller 342 at the inner end of the casing 341 is driven to rotate, the impeller 342 drives the second pulley assembly 344 to operate through the first pulley assembly 343, and when the bristles on the belt surface at the inner end of the second pulley assembly 344 pass through the filter plate 371, impurities attached to the surface of the bristles are cleaned.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Waste gas purification treatment system based on VOC waste gas treatment technique, including spray column subassembly (1), its characterized in that: the utility model provides a spray column subassembly (1) upper end is connected with connecting pipe (2), spray column subassembly (1) comprises first casing (11), feed inlet (12), motor (13), bevel gear subassembly (14), packing (15), filter screen (16), buffer board (17), shower nozzle (18), first casing (11) upper end and connecting pipe (2) fixed connection and intercommunication, first casing (11) one side middle-end and feed inlet (12) fixed connection, first casing (11) are close to feed inlet (12) lower extreme fixedly connected with motor (13), motor (13) output is connected with bevel gear subassembly (14) that are connected with first casing (11), bevel gear subassembly (14) upper end is connected with packing (15) that are connected with first casing (11), be close to feed inlet (12) end in first casing (11) and be equipped with the cavity, the cavity is close to packing (15) end fixedly connected with filter screen (16), first casing (11) are close to upper end fixedly connected with motor (13), first casing (13) are close to water pipe (17) end fixedly connected with shower nozzle (18), the side end of the filter assembly (3) is connected with an active carbon adsorption tower (4), the other end of the active carbon adsorption tower (4) is fixedly connected with a heat exchanger (5) and a fan (6) respectively, and the active carbon adsorption tower (4) and the heat exchanger (5) are fixedly connected with an exhaust piece (7);
the packing (15) is composed of a first electromagnetic valve (151), a cylinder body (152), a capsule body (153), a liquid spraying column (154), a second electromagnetic valve (155), a water spraying ring (156), an anti-blocking mechanism (157), a third connecting rod (158) and a dredging piece (159), wherein the upper end of the first electromagnetic valve (151) is fixedly connected with a water pipe, the lower end of the water spraying ring (156) is fixedly connected with the inner end of a bevel gear assembly (14) by a driven bevel gear, the lower end of the first electromagnetic valve (151) is rotatably connected with the cylinder body (152), the inner end of the cylinder body (152) is fixedly connected with the capsule body (153), the liquid spraying column (154) communicated with the first electromagnetic valve (153) is fixedly connected near the inner end of the capsule body (153), a drain hole communicated with the inner end of the liquid spraying column (154) is arranged at the side end of the liquid spraying column (154), the lower end of the liquid spraying column (154) is fixedly connected with the second electromagnetic valve (155) which is fixedly connected with the cylinder body (152) and communicated with the water spraying ring (156), the water ring (156) is coaxially fixedly connected with the cylinder body (152), the inner end of the capsule body (152) is rotatably connected with the third connecting rod (153), the upper edge of the capsule body (153) is connected with the third connecting rod (153), the outer end of the third connecting rod (158), which is close to the cylinder (152), is connected with a dredging piece (159) connected with the cylinder (152);
the anti-blocking mechanism (157) is composed of a first connecting rod (1571), a second connecting rod (1572), a support piece (1573) and an anti-blocking brush (1574), wherein the inclined upper end of the first connecting rod (1571) is fixedly connected with the capsule body (153), the second connecting rod (1572) is in sliding connection with the barrel body (152), and the inner end support spring of the support piece (1573) is fixedly connected with the barrel body (152) and the second connecting rod (1572) respectively; the inclined lower end of the first connecting rod (1571) is rotationally connected with the second connecting rod (1572), a sliding rod at the inner end of the supporting piece (1573) is in sliding connection with the second connecting rod (1572), and the bottom of the second connecting rod (1572) is fixedly connected with the anti-blocking brush (1574);
the dredging piece (159) is composed of a storage block (1591), a telescopic block (1592), a spring (1593), a moving block (1594) and a scraping blade (1595), wherein the storage block (1591) is fixedly connected with a third connecting rod (158), the inner end of the storage block (1591) is in sliding connection with the telescopic block (1592), the spring (1593) is respectively fixedly connected with the storage block (1591) and the telescopic block (1592), the moving block (1594) is in sliding connection with the outer end blade of the cylinder body (152) and is fixedly connected with the extending end of the telescopic block (1592), and the moving block (1594) is rotationally connected with the scraping blade (1595) attached to the surface of the blade.
2. An exhaust gas purifying treatment system based on VOC exhaust gas treatment technology according to claim 1, characterized in that: the edges of the upper end and the lower end of the bag body (153) are fixedly connected with sealing gaskets, and the rotating end of the scraping blade (1595) is fixedly connected with a torsion spring fixedly connected with the moving block (1594).
3. An exhaust gas purifying treatment system based on VOC exhaust gas treatment technology according to claim 2, characterized in that: the filter assembly (3) comprises a second shell (31), a cover plate (32), an air cooler (33), an adjusting piece (34), a supporting frame (35), a demisting plate (36) and a discharging piece (37), wherein two sides of the second shell (31) are fixedly connected and communicated with a connecting pipe (2) and an activated carbon adsorption tower (4) respectively, the front side of the second shell (31) is fixedly connected with the cover plate (32), the top of the second shell (31) is fixedly connected with the air cooler (33), the adjusting piece (34) is connected with the inner end of the second shell (31) and the exhaust end of the air cooler (33) respectively and communicated with the supporting frame (35), the inner end of the second shell (31) is fixedly connected with the supporting frame (35), the supporting frame (35) is in sliding connection with the demisting plate (36), and the bottom end of the second shell (31) is connected with the discharging piece (37).
4. A VOC-based exhaust gas purification treatment system according to claim 3, characterized in that: the regulating part (34) comprises a casing (341), an impeller (342), a first belt pulley assembly (343) and a second belt pulley assembly (344), wherein the casing (341) is fixedly connected and communicated with the exhaust end of the air cooler (33) and the air inlet end of the supporting frame (35), the second belt pulley assembly (344) is connected with the inner lower end of the second casing (31), the second belt pulley assembly (344) is positioned at the upper end of the discharging part (37), and the cover plate (32) is fixedly connected with the second casing (31) through screws.
5. The VOC-based exhaust gas purification treatment system of claim 4, wherein: the inner end of the shell (341) is rotationally connected with the impeller (342), the impeller (342) is close to the outer end of the shell (341) and is coaxially and fixedly connected with a driving pulley at the inner end of the first pulley assembly (343), a driven pulley at the inner lower end of the first pulley assembly (343) is coaxially and fixedly connected with a driving pulley at the inner end of the second pulley assembly (344), and bristles are arranged on the surface of a belt at the inner end of the second pulley assembly (344).
6. The VOC-based exhaust gas purification treatment system of claim 5, wherein: the discharging part (37) is composed of a filter plate (371), a third electromagnetic valve (372) and a liquid discharge pump (373), wherein the filter plate (371) is in sliding connection with the inner lower end of the second shell (31), the second shell (31) is close to the lower end of the filter plate (371) and is fixedly connected with the third electromagnetic valve (372), and the lower end of the third electromagnetic valve (372) is fixedly connected with the liquid extraction end of the liquid discharge pump (373).
7. A control method for the VOC-based exhaust gas purification treatment system of claim 6 when in use, characterized by: the method specifically comprises the following steps:
step one: starting an activated carbon adsorption tower (4), a heat exchanger (5), a fan (6), an exhaust part (7), a motor (13) and an air cooler (33), wherein the motor (13) drives a filler (15) to rotate through a bevel gear assembly (14), so that a spray nozzle (18) sprays liquid, VOC flue gas is injected into the inner lower end of a first shell (11) through a feed inlet (12), a filter screen (16) in the first shell (11) filters large particle impurities in the flue gas, the flue gas is then introduced into a filter assembly (3) from a groove, the spray nozzle (18), a buffer plate (17) and a connecting pipe (2) of the first shell (11) close to the filler (15), when the flue gas passes through the filler (15), the filler (15) is matched with water sprayed by the spray nozzle (18), the contact area of the flue gas and the flue gas is increased, so that partial impurities in the flue gas are separated from the flue gas, the air cooler (33) injects cold air into a supporting frame (35) through a regulating part (34), and finally the end of the filter screen (16) in the two sides of the bottom of the supporting frame (35) filters large particle impurities in the flue gas, and the flue gas is filtered out of the inner end of the filter assembly (36) when the flue gas passes through the supporting frame (35) and the filter assembly (36) is subjected to mist treatment to the filter assembly to mist liquefaction, and the mist filter assembly (3 is filtered and the mist filter assembly is cooled, liquefied water is stagnated at the inner bottom end of the second shell (31) through a filter plate (371), a third electromagnetic valve (372) and a liquid discharge pump (373) are started at regular time, the liquid discharge pump (373) is used for pumping out and guiding the liquid to a proper position, then smoke enters an activated carbon adsorption tower (4), the activated carbon adsorption tower (4), a heat exchanger (5) and a fan (6) are matched with each other to treat impurities such as VOC (volatile organic compounds) in the smoke, and finally an exhaust piece (7) is used for exhausting the treated gas;
step two: in the first step, a first electromagnetic valve (151) and a second electromagnetic valve (155) are opened, a part of water is led into a sprinkling ring (156) through a water pipe communicated with a spray head (18) by the first electromagnetic valve (151), a spray column (154) and the second electromagnetic valve (155), the sprinkling ring (156) spreads the water into a cavity at the inner lower end of the first shell (11), when the water spreads to the surface of a filter screen (16), the water promotes large particle impurities attached to the surface of the filter screen (16) to fall off, the second electromagnetic valve (155) is closed at regular time, at this time, the water gradually expands under the action of water pressure from a water draining Kong Penru bag body (153) at the side end of the spray column (154), the bag body (153) drives a first connecting rod (1571) and a third connecting rod (158) to move in the expansion process, the first connecting rod (1571) pushes the second connecting rod (1572) and an anti-blocking brush (1574) at the lower end of the first connecting rod (1572) to move downwards, the anti-blocking brush (1574) cleans the surface of the sprinkling ring (156), the third connecting rod (158) drives a storage block (152) to move towards a spring (1595) and move away from the outer surface of the telescopic block (1595) along the telescopic block (1595) and the telescopic block (1595) gradually moves along the telescopic block (1595), the scraping blade (1595) is used for carrying out shedding treatment on smoke impurities attached to the surfaces of the blades in the moving process, and the movable storage block (1591) is used for dredging the blades to avoid blockage caused by excessive impurities attached between the blades;
step three: in the second step, after cleaning and dredging the blade, the first electromagnetic valve (151) is closed and the second electromagnetic valve (155) is opened, the spring assembly gradually promotes the contraction of the bag body (153), water is gradually discharged under the action of the contraction bag body (153), the third connecting rod (158) drives the dredging piece (159) and the corresponding assembly at the inner end of the dredging piece to reset, and the supporting spring at the inner end of the supporting piece (1573) promotes the first connecting rod (1571), the second connecting rod (1572) and the anti-blocking brush (1574) to reset.
8. The control method for an exhaust gas purification treatment system based on VOC exhaust gas treatment technology according to claim 7, characterized in that: in the first step, when the gas passes through the casing (341), the impeller (342) at the inner end of the casing (341) is driven to rotate, the impeller (342) drives the second belt pulley assembly (344) to operate through the first belt pulley assembly (343), and when the bristles on the belt surface at the inner end of the second belt pulley assembly (344) pass through the filter plate (371), impurities attached to the surface of the bristles are cleaned.
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| CN215428070U (en) * | 2021-07-14 | 2022-01-07 | 信诚(深圳)环保科技有限公司 | Industrial waste gas treatment device convenient to it is clean |
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| JP2001286785A (en) * | 2000-04-10 | 2001-10-16 | Mitsubishi Materials Corp | Spray tower |
| CN108579276A (en) * | 2018-06-06 | 2018-09-28 | 盐城旭恒环保科技有限公司 | A kind of emission-control equipment |
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