CN113680196A - Electroplating production line waste gas automatic collection purifier - Google Patents
Electroplating production line waste gas automatic collection purifier Download PDFInfo
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- CN113680196A CN113680196A CN202110867134.3A CN202110867134A CN113680196A CN 113680196 A CN113680196 A CN 113680196A CN 202110867134 A CN202110867134 A CN 202110867134A CN 113680196 A CN113680196 A CN 113680196A
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- 239000002912 waste gas Substances 0.000 title claims abstract description 100
- 238000009713 electroplating Methods 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 94
- 238000000746 purification Methods 0.000 claims abstract description 40
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 23
- 239000000945 filler Substances 0.000 claims description 33
- 238000012856 packing Methods 0.000 claims description 33
- 230000003472 neutralizing effect Effects 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 239000011550 stock solution Substances 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 11
- 238000001179 sorption measurement Methods 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 8
- 230000003197 catalytic effect Effects 0.000 claims description 7
- 238000007539 photo-oxidation reaction Methods 0.000 claims description 7
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 238000006386 neutralization reaction Methods 0.000 abstract description 43
- 238000003860 storage Methods 0.000 abstract description 7
- 239000003344 environmental pollutant Substances 0.000 abstract description 6
- 231100000719 pollutant Toxicity 0.000 abstract description 6
- 230000001174 ascending effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 13
- 239000000243 solution Substances 0.000 description 11
- 238000001802 infusion Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004332 deodorization Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- 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
-
- 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
- B01D53/007—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 irradiation
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/04—Removal of gases or vapours ; Gas or pressure control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/025—Other waste gases from metallurgy plants
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
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Abstract
The invention discloses an automatic waste gas collecting and purifying device for an electroplating production line, which comprises a waste gas collecting component, a rack, a purifying tower and a flow guide component, wherein the purifying tower and the flow guide component are installed on the rack, the gas outlet end of the waste gas collecting component is connected with the gas inlet end of the purifying tower, the purifying tower comprises a liquid storage section, a gas inlet section, a rotational flow section and a filtering section which are sequentially connected from bottom to top, the diameters of the liquid storage section and the rotational flow section are gradually increased from bottom to top, the diameter of the gas inlet section and the diameter of the filtering section are consistent from bottom to top, the outer side wall of the gas inlet section is connected with a gas inlet interface along the circumferential tangential direction of the gas inlet section, the gas inlet interface is communicated with the inside of the gas inlet section, and the filtering section is sequentially provided with a plurality of groups of filtering structures from bottom to top. The mutual emergence contact collision of decurrent neutralization liquid and ascending waste gas in this application scheme, waste gas just can be by filtration before getting into filtration, and the pollutant in the waste gas is fully dissolved in neutralization liquid to can effectively improve the exhaust purification efficiency of purifying column.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to an automatic waste gas collecting and purifying device for an electroplating production line.
Background
In the electroplating process, an object to be plated is usually placed in an electrolytic bath loaded with a corresponding chemical electrolyte, and an electroplated layer is formed on the surface of the object to be plated through electrification.
In the correlation technique, generally utilize the waste gas purification tower to handle the waste gas that electroplates and produce, waste gas is at the in-process that gets into the waste gas purification tower backward upward flow, and the spraying system blowout neutralization liquid in the waste gas purification tower, and the neutralization liquid is carried out the neutralization to waste gas, and the pollutant in the waste gas subsides to the purifying column bottom after the neutralization liquid absorbs the neutralization, and the waste gas that purifies then upwards flows out the purifying column to realize the filtration purification of waste gas, reach the environmental protection purpose.
In view of the above-mentioned related art, the inventors considered that the contact with the neutralizing liquid is insufficient during the upward flow of the exhaust gas, resulting in a low purification efficiency thereof.
Disclosure of Invention
In order to help improving the purifying effect to waste gas, the application provides an electroplating production line waste gas automatic collection purifier.
The application provides a pair of electroplating production line waste gas automatic collection purifier adopts following technical scheme:
the utility model provides an electroplating production line waste gas automatic collection purifier, includes waste gas collection subassembly, frame, rack-mounted purifying column and connects the water conservancy diversion subassembly of giving vent to anger the end at the purifying column, the end of giving vent to anger of waste gas collection subassembly links to each other with the inlet end of purifying column, the purifying column includes from up the stock solution section that links to each other in proper order, air intake section, whirl section and filter segment down, up crescent is down followed to the diameter of stock solution section and whirl section, up keeping unanimous from down being followed to the diameter of air intake section and the diameter of filter segment, air intake section's lateral wall is connected with the interface that admits air along the circumferencial tangential direction of air intake section, the inside intercommunication of interface and air intake section admits air, the filter segment is from up having set gradually a plurality of groups down and is used for purifying the filtration of electroplating waste gas.
Through adopting above-mentioned technical scheme, under the effect of water conservancy diversion subassembly, electroplating waste gas gets into the purifying tower along the tangential direction of the interface follow section of admitting air in, electroplating waste gas makes progress along the inner wall circumference whirl of purifying tower this moment, make waste gas increase at the same high purifying tower internal rotation number of times, the route that waste gas passes through increases, waste gas gaseous phase flocculation is violent, and filtration spun neutralization liquid then can be downward along whirl section whirl, decurrent neutralization liquid and the mutual emergence contact collision of ascending waste gas, the pollutant in the waste gas is fully dissolved in neutralization liquid, thereby can effectively improve the waste gas purification efficiency of purifying tower.
Optionally, the filtering structure includes a filler supporting plate, a filler layer, a spraying assembly and a swirling piece, the filler supporting plate is mounted on the inner wall of the filtering section, the filler layer is mounted on the filler supporting plate, the liquid outlet end of the spraying assembly is arranged above the filler layer, the spraying assembly can perform swirling ejection on neutralizing liquid, and the swirling piece is mounted on the inner wall of the filtering section and used for enhancing swirling.
Through adopting above-mentioned technical scheme, the waste gas that upwards flows gets into in the filler layer through the filler backup pad, and waste gas and neutralization solution can flow equalize in the filler layer, make waste gas and neutralization solution fully contact reaction in the filler layer to improve the purifying effect to abandonment.
Optionally, the filler support plate comprises a base plate and a plurality of groups of inclined support plates connected to one side of the base plate, one group of the inclined support plates comprises two inclined support plates, the two inclined support plates incline towards one side close to each other, a ventilation cavity with a downward opening is formed between each inclined support plate and the base plate, through holes are formed in the side faces of the base plate and the two inclined support plates, a filler support part is connected between the two inclined support plates, and the filler support part is abutted to the bottom side of the filler layer.
Through adopting above-mentioned technical scheme, such setting up makes the filler backup pad have stronger bearing load ability to have good hydrodynamics performance, make the difficult jam of through-hole, waste gas can get into in the filler layer from the through-hole of oblique backup pad side, and the intraformational liquid of filler can flow downwards from the through-hole of base plate horizontal plane, guarantees the smooth flow of gas and liquid.
Optionally, the filler supporting portion includes two inclined supporting portions, one side of each inclined supporting portion is connected to the inclined supporting plate, the two inclined supporting portions extend in a direction away from the inclined supporting plate and are connected to each other, and a side edge of each inclined supporting portion connected to the corresponding inclined supporting portion is abutted to the bottom side of the filler layer.
Through adopting above-mentioned technical scheme, such setting can reduce the area that the bearing diagonal portion contacted with the packing layer, further improves the smooth and easy nature that gas and liquid flow when guaranteeing to carry out effective support to the packing layer.
Optionally, an included angle between the extension line of the inclined support portion and the substrate is larger than an included angle between the inclined support plate and the substrate.
Through adopting above-mentioned technical scheme, the bearing capacity of bearing diagonal portion and bearing diagonal board can be improved to such setting, guarantees the effective support to the packing layer when lightening packing backup pad weight.
Optionally, the spray set includes drawing liquid pump, transfer line, goes out liquid head, support frame and whirl wheel, the drawing liquid pump is installed in the frame, the one end and the drawing liquid pump of transfer line are connected, and the other end extends to in the filter segment, it installs the liquid end at the transfer line and lies in the top of packing layer to go out the liquid head, the support frame is installed in the periphery that goes out the liquid head and is extended to the below that goes out the liquid head, the whirl wheel rotates the center of connecting in the support frame, the whirl wheel is located the liquid end below that goes out the liquid head.
Through adopting above-mentioned technical scheme, the drawing liquid pump is intraductal with neutralization liquid extraction to the transfer line, and neutralization liquid flows through the transfer line after from the play liquid end blowout of liquid head, and neutralization liquid sprays on the whirl wheel, and partly neutralization liquid is by whirl wheel reflection spill, and another part neutralization liquid drives the whirl wheel rotation, makes the whirl wheel rotate, and neutralization liquid is centrifugal motion and splashes away, and the neutralization liquid that splashes away is done free fall and falls into in the filler layer, makes the filler layer can evenly receive neutralization liquid. This scheme makes neutralization solution can fully contact with waste gas, further improves the purification efficiency to waste gas, can reduce the quantity of shower head simultaneously, reduce cost.
Optionally, the swirl wheel includes the runner and keeps off and flows the board, the runner rotates with the support frame to be connected, the week side of runner is equipped with a plurality of blades, and is a plurality of the blade is certain contained angle with the radial of runner, it fixes the center at the runner to keep off and flow the board.
Through adopting above-mentioned technical scheme, neutralization liquid erodees and keeps off a class board, keeps off a class board and plays and keep off a class and reposition of redundant personnel effect, and partly neutralization liquid drives the runner rotation, and neutralization liquid splashes away along the blade rotation, and its radius of splashing is big, and the water droplet is even, can make neutralization liquid fully contact with waste gas, improves purifying effect.
Optionally, the whirl spare includes the whirl board, the periphery of whirl board and the inner wall connection of filter segment, the whirl board is located spray assembly's top.
Through adopting above-mentioned technical scheme, the air current in the purifying column is further strengthened rotatoryly under the effect of whirl board, and the air current can be further atomized again through the neutralization liquid that the whirl wheel splashes this moment, makes atomizing neutralization liquid can even subside down, further improves waste gas purification effect.
Optionally, an activated carbon adsorption tank and a photo-oxidation catalytic waste gas treatment device are sequentially connected between the purification tower and the flow guide assembly along the flow direction of gas.
Through adopting above-mentioned technical scheme, the active carbon adsorption case can further absorb harmful gas to have disinfection deodorization function, light oxygen catalysis exhaust-gas treatment equipment can further disinfect deodorization, guarantees the environmental protection of waste gas and discharges.
Optionally, a switch valve is arranged at the bottom end of the liquid storage section, and a liquid storage tank is arranged below the frame and located below the liquid storage section.
Through adopting above-mentioned technical scheme, can change the neutralization solution in the stock solution section through the ooff valve, improve the convenience of changing, the neutralization solution can be retrieved to the reservoir to subsequent processing is convenient for.
In summary, the present application includes at least one of the following beneficial technical effects:
1. in the scheme of the application, the downward neutralizing liquid and the upward waste gas are contacted and collided with each other, the waste gas can be filtered and purified before entering the filtering structure, and pollutants in the waste gas are fully dissolved in the neutralizing liquid, so that the waste gas purification efficiency of the purification tower can be effectively improved;
2. the hump-type arranged packing support plate has stronger load bearing capacity and excellent hydrodynamic property, so that the packing layer is not easy to block through holes, waste gas can enter the packing layer from the through holes on the side surface of the inclined support plate, and liquid in the packing layer can flow downwards from the through holes on the horizontal surface of the substrate, thereby ensuring the smooth flow of the gas and the liquid;
3. the swirl wheel in the spray assembly can effectively diffuse and shunt the neutralizing liquid, ensures the sufficient contact of the neutralizing liquid and the waste gas, can reduce the arrangement of a common spray header and reduce the installation cost.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a sectional view mainly showing a purification tower in the embodiment of the present application.
Fig. 3 is a schematic structural diagram mainly showing a packing support plate according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram mainly showing a swirl wheel in an embodiment of the present application.
Description of reference numerals:
1. an exhaust gas collection assembly; 11. an air intake cover; 12. an air intake duct; 2. a purification tower; 20. a frame; 21. a liquid storage section; 211. a control valve; 212. a liquid storage tank; 22. an air intake section; 221. an air inlet interface; 23. a cyclone section; 24. a filtration section; 3. an activated carbon adsorption tank; 4. photo-oxidative catalysis waste gas treatment equipment; 5. a flow guide assembly; 51. a centrifugal fan; 52. an air duct; 6. a filter structure; 61. a packing support plate; 611. a substrate; 612. an inclined support plate; 613. an inclined support portion; 614. a through hole; 615. a vent lumen; 62. a filler layer; 63. a spray assembly; 631. a liquid pump; 632. a transfusion tube; 633. a liquid outlet head; 634. a support frame; 635. a swirl wheel; 6351. a rotating wheel; 6352. a blade; 6353. a flow baffle plate; 64. a swirl element.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses electroplating production line waste gas automatic collection purifier.
Referring to fig. 1, the automatic collection and purification device comprises a waste gas collection assembly 1, a purification tower 2, an activated carbon adsorption tank 3, a photo-oxidation catalytic waste gas treatment device 4 and a flow guide assembly 5, wherein the waste gas collection assembly 1 is used for collecting waste gas generated in an electroplating bath, the purification tower 2 is used for absorbing and filtering the waste gas, the activated carbon adsorption tank 3 and the photo-oxidation catalytic waste gas treatment device 4 are used for sterilizing and deodorizing the waste gas, and the flow guide assembly 5 is used for extracting the waste gas to enable the waste gas to flow along a preset track.
Referring to fig. 1, the exhaust gas collecting assembly 1 includes an air suction cover 11 and an air suction pipe 12, the air suction cover 11 is disposed above the electroplating bath, two ends of the air suction pipe 12 are respectively connected to the air suction cover 11 and an air inlet end of the purification tower 2, and the air suction cover 11 and the air suction pipe 12 are used in cooperation for extracting the exhaust gas generated by the electroplating bath into the purification tower 2.
Referring to fig. 2, the ground is installed frame 20, and the purifying tower 2 is installed in frame 20, and the purifying tower 2 includes from down up consecutive stock solution section 21, air intake section 22, whirl section 23 and filter segment 24, and the diameter of stock solution section 21 is from up crescent down, and air intake section 22's diameter is from down up keeping unanimous, and whirl section 23's diameter is from down up crescent down, and filter segment 24's diameter is from down up keeping unanimous down, and the gas outlet of purifying tower 2 is established directly over filter segment 24.
The inconsistent diameter of stock solution section 21 is for the convenience of follow-up discharge neutralization solution, and wherein, the bottom of stock solution section 21 is equipped with control valve 211, and frame 20 is located the below of stock solution section 21 and is equipped with reservoir 212, and the neutralization solution of absorbing pollutant in the waste gas can be kept in stock solution section 21 temporarily, and the volume of keeping in reaches the certain degree after, accessible control valve 211 discharges in the reservoir 212, is collected by reservoir 212 and retrieves.
Referring to fig. 1 and 2, the periphery of the air inlet section 22 is connected with an air inlet interface 221 along the tangential direction, one end of the air inlet interface 221 is connected with the air suction pipe 12, the inner cavity of the air inlet interface 221 is communicated with the inside of the air inlet section 22, the extracted electroplating waste gas can enter the purification tower 2 along the tangential direction of the air inlet section 22, so that the waste gas forms a rotational flow, and the rotational waste gas upwards enters the filtering section 24 along the rotational flow of the rotational flow section 23.
Referring to fig. 2, be equipped with filtration 6 in the filter segment 24, filtration 6 from down up can set up to a plurality of groups, specifically can set up according to the exhaust purification condition. In this embodiment, filtration 6 establishes to a set of, filtration 6 includes from the filler backup pad 61 up in proper order down, the packing layer 62, spray set 63 and whirl 64, filler backup pad 61 horizontal installation is in the fillter section 24, the periphery of filler backup pad 61 and the inner wall fixed connection of fillter section 24, the packing layer 62 is placed in the top side of filler backup pad 61, spray set 63 blowout neutralization liquid, make neutralization liquid fall into in the packing layer 62, neutralization liquid and waste gas are the full reaction in packing layer 62, thereby realize the filtration to waste gas, whirl 64 is used for strengthening gaseous whirl.
Referring to fig. 2 and 3, the packing support plate 61 includes a base plate 611 disposed horizontally, and a plurality of inclined support plates 612 disposed at one side of the base plate 611, the base plate 611 is formed in a circular shape, and the plurality of inclined support plates 612 are uniformly arranged along a radial direction of the base plate 611. The group of inclined support plates 612 includes two inclined support plates 612, the two inclined support plates 612 incline upwards and approach each other in a direction away from the substrate 611, one side of the two inclined support plates 612 away from the substrate 611 is connected with a packing support portion, and a top side of the packing support portion abuts against a bottom side of the packing layer 62.
Meanwhile, the filler support portion further includes two inclined support portions 613, one side of the inclined support portion 613 is connected to one side of the inclined support plate 612 away from the substrate 611, the two inclined support portions 613 are close to each other and connected in a direction away from the inclined support plate 612, and an included angle between an extension line of the inclined support portion 613 and the substrate 611 is greater than an included angle between the inclined support plate 612 and the substrate 611, so as to improve stability of the inclined support portion 613.
Meanwhile, a ventilation cavity 615 with a downward opening is formed between the two inclined support plates 612 and the substrate 611, and a plurality of through holes 614 are formed on the horizontal surface of the substrate 611 and the side surfaces of the inclined support plates 612. The bottom side of the packing layer 62 abuts against the top side of the inclined support part 613, the contact area between the packing layer 62 and the packing support plate 61 is small, upward waste gas can enter the packing layer 62 through the through holes 614 on the side surface of the inclined support plate 612, and downward neutralizing liquid can drop downwards through the through holes 614 on the horizontal surface of the base plate 611, so that the through holes 614 are not easy to block, and the purification efficiency of the waste gas is improved.
Referring to fig. 2 and 4, the spraying assembly 63 includes an infusion pump 631, an infusion tube 632, a liquid outlet head 633, a support frame 634 and a swirl wheel 635, the infusion pump 631 is installed on the rack 20, one end of the infusion pump 631 is connected with neutralization liquid, the other end is connected with the infusion tube 632, the liquid outlet end of the infusion tube 632 extends into the purification tower 2 and is located above the packing layer 62, the liquid outlet head 633 is installed at the liquid outlet end of the infusion tube 632, the periphery of the liquid outlet head 633 is fixed at one side of the support frame 634, the support frame 634 extends downwards to the lower side of the liquid outlet head 635, the swirl wheel is rotatably connected to the center of the support frame 634, and the support frame 634 surrounds the periphery of the swirl wheel 635.
The swirling wheel 635 comprises a rotating wheel 6351, blades 6352 and a flow baffle 6353, the rotating wheel 6351 is rotatably connected to the center of the supporting frame 634, the blades 6352 are multiple, the multiple blades 6352 are fixed to the outer peripheral edge of the rotating wheel 6351 and form a certain angle with the radial direction of the rotating wheel 6351, the flow baffle 6353 is fixed to the top center of the rotating wheel 6351, the height of the flow baffle 6353 is gradually reduced from the center to one side of the edge, and the top edge of the flow baffle 6353 is flush with the top edge of the rotating wheel 6351.
The liquid pump 631 pumps the neutralizing liquid, the neutralizing liquid is sprayed out of the liquid outlet head 633 along the liquid conveying pipe 632, the neutralizing liquid washes the flow blocking plate 6353, a part of the neutralizing liquid is rebounded by the flow blocking plate 6353 to be diffused all around, the other part of the neutralizing liquid flows between the adjacent blades 6352 along the flow blocking plate 6353, at this time, under the washing of the neutralizing liquid, the rotating wheel 6351 rotates, and a part of the neutralizing liquid is splashed out from between the adjacent blades 6352 along the rotating wheel 6351 in a centrifugal motion, so that the neutralizing liquid is diffused. The neutralization liquid can be uniformly splashed to the periphery through the cyclone wheel 635, so that the neutralization liquid is fully contacted with the waste gas, and the purification effect on the waste gas is further improved.
Referring to fig. 2, the purified exhaust gas passes through the swirling member 64, and the swirling flow is enhanced by the swirling member 64. In this embodiment, whirl piece 64 chooses for use the whirl board, and the whirl board level is fixed at the inner wall of fillter section 24, and the waste gas that gets into air intake section 22 along tangential direction strengthens rotatoryly under the guide effect of whirl board, and the air current can be with the neutralization solution that whirl wheel 635 splashes away spout vaporifically this moment, further improves its purifying effect.
Referring to fig. 1, the purified waste gas flows out of the top end of a purification tower 2 and then sequentially passes through an activated carbon adsorption tank 3 and a photo-oxidation catalytic waste gas treatment device 4, the waste gas is deodorized by the activated carbon adsorption tank 3 and the photo-oxidation catalytic waste gas treatment device 4, finally passes through a flow guide assembly 5 and is discharged to the atmosphere by the flow guide assembly 5, and the purification process of the electroplating waste gas is realized.
In this embodiment, the flow guiding assembly 5 includes a centrifugal fan 51 and an air duct 52, and is connected to the photo-oxidation catalytic waste gas treatment device 4 through the centrifugal fan 51, and the air duct 52 is connected to the air outlet end of the centrifugal fan 51, and the purified gas is finally led out to the atmosphere through the centrifugal fan 51 and the air duct 52.
The implementation principle of the automatic waste gas collecting and purifying device for the electroplating production line is as follows: electroplating waste gas gets into purification tower 2 along tangential direction under the collection water conservancy diversion effect of suction hood 11 and breathing pipe 12, and electroplating waste gas makes progress along the inner wall circumference whirl of purification tower 2 this moment, and the neutralization liquid whirl that is located whirl section 23 is downward, and the mutual emergence contact collision of decurrent neutralization liquid and ascending waste gas can improve exhaust purification efficiency. Then, waste gas passes through packing layer 62, fully reacts with neutralization solution in packing layer 62, then waste gas continues upwards, neutralization solution then is atomized into even downwards of steam under the effect of whirl wheel 635 and whirl board, and the pollutant in the waste gas then can be fully dissolved in neutralization solution to can effectively improve the waste gas purification efficiency of purifying column 2.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides an electroplating production line waste gas automatic collection purifier, includes waste gas collection subassembly (1), frame (20), installs purifying column (2) on frame (20) and connects diversion assembly (5) of giving vent to anger the end at purifying column (2), the end of giving vent to anger of waste gas collection subassembly (1) links to each other its characterized in that with the inlet end of purifying column (2): purifying column (2) include from down up consecutive stock solution section (21), air intake section (22), whirl section (23) and filter segment (24), the diameter of stock solution section (21) and whirl section (23) is from up crescent down, the diameter of air intake section (22) and the diameter of filter segment (24) are from up keeping unanimous down, the lateral wall of air intake section (22) is connected with air inlet interface (221) along the circumference tangential direction of air intake section (22), air inlet interface (221) and the inside intercommunication of air intake section (22), filter segment (24) are from down up having set gradually a plurality of groups and being used for purifying filtration (6) of electroplating waste gas.
2. The automatic collection and purification device for the waste gas of the electroplating production line according to claim 1, which is characterized in that: the filter structure (6) comprises a filler supporting plate (61), a filler layer (62), a spraying assembly (63) and a rotational flow piece (64), wherein the filler supporting plate (61) is arranged on the inner wall of the filter section (24), the filler layer (62) is arranged on the filler supporting plate (61), the liquid outlet end of the spraying assembly (63) is arranged above the filler layer (62), the spraying assembly (63) can spray neutralizing liquid in a rotational flow mode, and the rotational flow piece (64) is arranged on the inner wall of the filter section (24) and used for enhancing the rotational flow.
3. The automatic collection and purification device for the waste gas of the electroplating production line according to claim 2, characterized in that: the packing support plate (61) comprises a base plate (611) and a plurality of groups of inclined support plates (612) connected to one side of the base plate (611), one group of inclined support plates (612) comprises two inclined support plates (612), the two inclined support plates (612) incline towards the side close to each other, a vent cavity (615) with a downward opening is formed between the two inclined support plates (612) and the base plate (611), through holes (614) are formed in the side faces of the base plate (611) and the two inclined support plates (612), a packing support part is connected between the two inclined support plates (612), and the packing support part is abutted to the bottom side of the packing layer (62).
4. The automatic collection and purification device for the waste gas of the electroplating production line according to claim 3, characterized in that: the packing supporting part comprises two inclined supporting parts (613), one side of each inclined supporting part (613) is connected with the inclined supporting plate (612), the two inclined supporting parts (613) extend towards the direction far away from the inclined supporting plate (612) and are connected with each other, and the side edge connected with the two inclined supporting parts (613) is abutted to the bottom side of the packing layer (62).
5. The automatic collection and purification device for the waste gas of the electroplating production line according to claim 4, characterized in that: the included angle between the extension line of the inclined supporting part (613) and the substrate (611) is larger than the included angle between the inclined supporting plate (612) and the substrate (611).
6. The automatic collection and purification device for the waste gas of the electroplating production line according to claim 2, characterized in that: spray assembly (63) including drawing liquid pump (631), transfer line (632), go out liquid head (633), support frame (634) and whirl wheel (635), drawing liquid pump (631) is installed in frame (20), the one end and the drawing liquid pump (631) of transfer line (632) are connected, and the other end extends to in filtering section (24), go out liquid head (633) and install the play liquid end of transfer line (632) and be located the top of packing layer (62), the periphery that goes out liquid head (633) is installed in support frame (634) and extend to the below of going out liquid head (633), whirl wheel (635) rotate and connect in the center of support frame (634), whirl wheel (635) are located the play liquid end below of going out liquid head (633).
7. The automatic collection and purification device for the waste gas of the electroplating production line according to claim 6, characterized in that: the swirl wheel (635) includes runner (6351) and fender and flows board (6353), runner (6351) is rotated with support frame (634) and is connected, the week side of runner (6351) is equipped with a plurality of blades (6352), and is a plurality of blade (6352) and runner (6351) radially are certain contained angle, keep off and flow board (6353) and fix the center at runner (6351).
8. The automatic collection and purification device for the waste gas of the electroplating production line according to claim 7, characterized in that: swirl piece (64) include the whirl board, the periphery of whirl board and the inner wall connection of filter segment (24), the whirl board is located spray assembly (63)'s top.
9. The automatic collection and purification device for the waste gas of the electroplating production line according to claim 1, which is characterized in that: an activated carbon adsorption box (3) and a photo-oxidation catalytic waste gas treatment device (4) are sequentially connected between the purification tower (2) and the flow guide assembly (5) along the flow direction of gas.
10. The automatic collection and purification device for the waste gas of the electroplating production line according to claim 1, which is characterized in that: the bottom of stock solution section (21) is equipped with control valve (211), frame (20) are located the below of stock solution section (21) and are equipped with reservoir (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110867134.3A CN113680196A (en) | 2021-07-29 | 2021-07-29 | Electroplating production line waste gas automatic collection purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110867134.3A CN113680196A (en) | 2021-07-29 | 2021-07-29 | Electroplating production line waste gas automatic collection purifier |
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| Publication Number | Publication Date |
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| CN113680196A true CN113680196A (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110867134.3A Pending CN113680196A (en) | 2021-07-29 | 2021-07-29 | Electroplating production line waste gas automatic collection purifier |
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| Country | Link |
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| CN (1) | CN113680196A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2797900Y (en) * | 2004-12-29 | 2006-07-19 | 国家环境保护总局华南环境科学研究所 | Wet type flue-gas purification equipment |
| CN203484251U (en) * | 2013-09-05 | 2014-03-19 | 中化工程沧州冷却技术有限公司 | Volute type swirl flow spray head |
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| CN210815285U (en) * | 2019-06-05 | 2020-06-23 | 安徽华东化工医药工程有限责任公司 | Combined hump supporting structure |
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2021
- 2021-07-29 CN CN202110867134.3A patent/CN113680196A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2797900Y (en) * | 2004-12-29 | 2006-07-19 | 国家环境保护总局华南环境科学研究所 | Wet type flue-gas purification equipment |
| CN203484251U (en) * | 2013-09-05 | 2014-03-19 | 中化工程沧州冷却技术有限公司 | Volute type swirl flow spray head |
| CN108543393A (en) * | 2018-06-06 | 2018-09-18 | 盐城旭恒环保科技有限公司 | A kind of casting exhaust gas acid mist purifying tower |
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