CN114669187A

CN114669187A - Adjustable biological purification VOCs device

Info

Publication number: CN114669187A
Application number: CN202210357485.4A
Authority: CN
Inventors: 张振昌; 张启; 陆朝阳; 李舜斌; 林立清
Original assignee: Nanjing University Environmental Planning And Design Institute Group Co ltd
Current assignee: Nanjing University Environmental Planning And Design Institute Group Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-06-28
Anticipated expiration: 2042-04-07
Also published as: CN114669187B

Abstract

The invention discloses an adjustable device for purifying VOCs (volatile organic compounds) by a biological method, which comprises a biological purification tower, wherein the biological purification tower comprises a circulating liquid tank, the left side surface of the circulating liquid tank is fixedly connected with a regeneration reaction tank, the bottom surface of the regeneration reaction tank is flush with the bottom surface of the circulating liquid tank, and the left side surface of the circulating liquid tank is provided with a liquid through hole positioned at the bottom end of the circulating liquid tank; can drive the vortex through vortex drive structure and take place the structure operation, take place the structure through the vortex and can be regular exert the power of blowing and sucking to clearance air current disturbance structure, can exert the power of regular blowing and sucking to bio-packing layer through clearance air current disturbance structure, make the waste gas in the bio-packing layer internal clearance produce the vortex, and then make the biomembrane contact on VOCs and bio-packing layer surface in the waste gas, help accelerating the degradation of microorganism to VOCs, purifying effect is better, purifying speed is faster, the practicality of this adjustable biological method purification VOCs device has been improved.

Description

Adjustable biological purification VOCs device

Technical Field

The invention relates to the field of VOCs-containing waste gas purification equipment, in particular to an adjustable VOCs purification device by a biological method.

Background

Volatile Organic Compounds (VOCs) are commonly expressed by VOCs and refer to organic compounds with saturated vapor pressure of more than 70 Pa at normal temperature and boiling point of below 260 ℃ at normal pressure, or all organic compounds with vapor pressure of more than or equal to 10 Pa and volatility at 20 ℃, VOCs participate in the formation of ozone and secondary aerosol in the atmospheric environment, have important influence on regional atmospheric ozone pollution and PM2.5 pollution, most VOCs have unpleasant special odor and have toxicity, irritation, teratogenicity and carcinogenic effects, particularly benzene, toluene, formaldehyde and the like can cause great harm to human health, VOCs are important precursors causing urban haze and photochemical smog, are mainly derived from processes of coal chemical industry, petrochemical industry, fuel coating manufacturing, solvent manufacturing and using and the like, therefore, the purification treatment of waste gas containing VOCs is needed, and the existing method for purifying VOCs in waste gas mainly comprises an adsorption method, Biological method, chemical washing method, ion method, catalytic combustion method, plant solution adsorption method, etc., wherein the biological method utilizes the microorganism attached to the filler in the reactor to degrade the pollutants in the waste gas into simple inorganic substances and microorganism cytoplasm in the microbial metabolism process, the operation is simple, and no secondary pollution is caused.

The prior biological method VOCs purifying device mainly comprises a biological purification treatment tower, a packing layer, a spraying system, a regeneration system and the like, when in use, waste gas enters from the bottom of the biological purification treatment tower, then the waste gas passes through a gap in the packing layer, then microorganisms attached to the packing degrade the VOCs in the waste gas, then the spraying system sprays microbial solution from the upper part of the packing layer, then the waste gas is contacted with the splashed microbial solution, then the microorganisms in the microbial solution degrade the residual VOCs in the waste gas, then the microbial solution passes through the packing layer to enter the regeneration system for regeneration, the purification effect of the packing layer on the VOCs is limited by the retention time of the waste gas in the packing layer, the longer the retention time of the waste gas in the packing layer is, the better the purification effect is, otherwise, the shorter the retention time of the waste gas in the packing layer is, the worse the purification effect is, and in order to obtain good purification effect, people often can increase the thickness of packing layer or control waste gas and pass the packing layer with extremely low speed, but the thickness that increases the packing layer can lead to the air lock to increase, the energy consumption increases, the wall flow problem aggravates, and control waste gas passes the packing layer with extremely low speed and can make purification efficiency step-down, and the processing speed is slow, consequently need design an adjustable biological method and purify VOCs device urgently.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art that the prior device for purifying VOCs by a biological method mainly comprises a biological purification treatment tower, a packing layer, a spraying system, a regeneration system and the like, when in use, waste gas enters from the bottom of the biological purification treatment tower, then the waste gas passes through gaps in the packing layer, then the VOCs in the waste gas are degraded by microorganisms attached to the packing, then a microorganism solution is sprayed by the spraying system from the upper part of the packing layer, then the waste gas is contacted with the splashed microorganism solution, then the microorganisms in the microorganism solution degrade the residual VOCs in the waste gas, then the microorganism solution passes through the packing layer to enter the regeneration system for regeneration, the purification effect of the packing layer on the VOCs is limited by the retention time of the waste gas in the packing layer, the longer the retention time of the waste gas in the packing layer is, the better the purification effect is, on the contrary, the shorter the retention time of the waste gas in the packing layer is, the poorer the purification effect is, in order to obtain a good purification effect, people usually increase the thickness of a packing layer or control waste gas to pass through the packing layer at an extremely low speed, but the increase of the thickness of the packing layer can cause the increase of air resistance, the increase of energy consumption and the aggravation of wall flow, and the control of the waste gas to pass through the packing layer at an extremely low speed can cause the problems of low purification efficiency and low treatment speed.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

An adjustable biological method VOCs purification device comprises a biological purification tower, the biological purification tower comprises a circulating liquid box, a regeneration reaction box is fixedly connected to the left side surface of the circulating liquid box, the bottom surface of the regeneration reaction box is flush with the bottom surface of the circulating liquid box, a liquid through hole at the bottom end of the circulating liquid box is formed in the left side surface of the circulating liquid box, the liquid through hole is fixedly communicated with the regeneration reaction box, digestive bacteria liquid is filled in the circulating liquid box and the regeneration reaction box, an air distribution disc is fixedly installed on the bottom surface of an inner cavity of the regeneration reaction box, an air blower is fixedly installed on the left side surface of the regeneration reaction box, an air outlet pipe on the air blower extends into the regeneration reaction box and is fixedly communicated with the air distribution disc, a medicine adding device at the left end of the air feeding device is fixedly installed on the top surface of the regeneration reaction box, the bottom of the medicine adding device is fixedly communicated with the regeneration reaction box, a fixing strip positioned above the regeneration reaction box is fixedly connected to the left side surface of the circulating liquid box, a liquid extraction pipe is fixedly inserted on the fixing strip, the bottom end of the liquid extraction pipe extends to the interior of the regeneration reaction box and is immersed into the digestive juice liquid, a liquid circulating pump is fixedly communicated with the top end of the liquid extraction pipe, a liquid injection pipe is fixedly communicated with the top of the liquid circulating pump, two fixed side branch pipes are fixedly communicated with the pipeline of the liquid injection pipe, a liquid distribution shower head is fixedly communicated with the other ends of the fixed side branch pipes, a purification absorption tower is fixedly communicated with the top of the circulation liquid box, and the end part of one fixed side branch pipe extends to the interior of the purification absorption tower, the liquid distribution gondola water faucet that corresponds with it is located purification absorption tower inner chamber middle part position, and the fixed intercommunication in top that purifies the absorption tower has the tail gas discharge hole, and fixedly connected with is located the vent plate at its top on purifying the inner wall of absorption tower, and the top surface of vent plate is filled there is the defogging filling layer, is equipped with the bio-packing layer between circulating liquid case and the purification absorption tower.

Preferably, the device also comprises a space expanding mechanism, the space expanding mechanism comprises an expanding pipe, the end part of another fixed side branch pipe extends to the inside of the expanding pipe, a liquid distribution shower corresponding to the expanding pipe is positioned in the expanding pipe and positioned in the middle of the expanding pipe, the diameter of the expanding pipe is the same as that of the purification absorption tower, the upper end and the lower end of the expanding pipe are fixedly communicated with expanding disc boxes, the expanding disc box at the bottom end of the expanding pipe is fixedly communicated with the top end of a circulating liquid box, the circulating liquid box is positioned under the expanding pipe, the expanding disc box at the top end of the expanding pipe is fixedly communicated with the bottom end of the purification absorption tower, the purification absorption tower is positioned right above the expanding pipe, a butt joint through hole at the right end of the expanding pipe is formed in the top surface of the expanding pipe, a sealing cover plate positioned clockwise from the butt joint through hole is formed in the top surface of the expanding pipe, an intelligent control cabinet positioned at the right end of the expanding disc box at the bottom end of the expanding pipe is fixedly installed on the bottom surface of the expanding pipe, the bottom surface of the intelligent control cabinet is flush with the bottom surface of the circulating liquid tank.

Preferably, the air locking structure comprises two air locking discs, the two air locking discs are respectively inserted in the two expansion disc boxes in a sliding manner, the top surface of each air locking disc is provided with four fan-shaped air locking devices which are uniformly distributed on the top surface of each air locking disc, a biological packing layer is filled in the fan-shaped air locking devices, a purification absorption tower, a butt joint through hole and a sealing cover plate respectively correspond to the fan-shaped air locking devices, the inner parts of the fan-shaped air locking devices are movably inserted with fan-shaped compaction cover plates positioned at the tops of the fan-shaped air locking devices, the bottom surfaces of the fan-shaped compaction cover plates are in contact with the top surfaces of the biological packing layers, the top surfaces of the fan-shaped compaction cover plates are flush with the top surfaces of the air locking discs, the fan-shaped compaction cover plates are provided with air holes which correspond to the butt joint through holes, the bottom surfaces of the air locking discs are provided with through holes which are communicated with the fan-shaped air locking devices, the fan-shaped air locking devices on one air locking disc are communicated with the expansion tubes through the through-through holes, the fan-shaped locking air on the other air locking disc is communicated with the circulating liquid tank through the through hole, the upper surface and the lower surface of the air locking disc are respectively provided with an inner ring sealing groove positioned in the middle part, the inner part of the inner ring sealing groove is fixedly embedded with an inner ring sealing ring, the upper surface and the lower surface of the air locking disc are respectively provided with a strip-shaped sealing groove positioned between two adjacent fan-shaped locking air, the inner part of each strip-shaped sealing groove is fixedly embedded with a strip-shaped sealing strip, the strip-shaped sealing groove is communicated with the inner ring sealing groove, the strip-shaped sealing strip is connected with the inner ring sealing ring, the upper surface and the lower surface of the air locking disc are respectively provided with an outer ring sealing groove positioned at the edge of the air locking disc, the inner part of each outer ring sealing groove is fixedly embedded with an outer ring sealing groove, the outer ring sealing groove is communicated with the strip-shaped sealing strip, the inner ring sealing groove and the strip-shaped sealing strip, the outer ring sealing rings are connected with the inner wall of the expansion disc box in a sliding mode.

Preferably, still include clearance air current disturbance structure, clearance air current disturbance structure includes the sector plate, the quantity of sector plate is two, two sector plate difference fixed connection just are located its right-hand member on the top surface of two extension disc casees, fan-shaped dashpots have been seted up on the bottom surface of sector plate, butt joint through-hole and fan-shaped dashpot intercommunication, fixedly connected with is located the disturbance elastic membrane of its bottom on the inner wall of fan-shaped dashpot, the bottom surface contact laminating of disturbance elastic membrane is on the top surface of extension disc case and will dock the through-hole shutoff, the last fixed grafting of sector plate has the constant voltage pipeline, constant voltage pipeline and the fixed intercommunication of fan-shaped dashpot.

Preferably, still including replacing the exchange structure, replace the exchange structure and include the loading board, loading board fixed connection is on circulating liquid tank's right flank, fixedly connected with is located the support down tube of its right-hand member on the bottom surface of loading board, the other end fixed connection who supports the down tube is on circulating liquid tank's right flank, fixed mounting has servo motor on the top surface of loading board, the top fixedly connected with rotary rod of output shaft on the servo motor, two extension disc casees and two gas locking discs are run through on the top of rotary rod, the rotary rod is located the center pin position of extension disc case and gas locking disc, the rotary rod activity is pegged graft on extension disc case, the rotary rod is fixed to be pegged graft on the gas locking disc, the surperficial fixedly connected with linkage branch of rotary rod, the fixed inside of pegging graft at the gas locking disc of linkage branch.

Preferably, the vortex generating structure further comprises a vortex generating structure, the vortex generating structure comprises a fan-shaped reinforcing block, the fan-shaped reinforcing block is positioned between two expansion disc boxes, the top surface of the fan-shaped reinforcing block is fixedly connected with the bottom surfaces of the expansion disc boxes at the top ends of the expansion pipes, the bottom surface of the fan-shaped reinforcing block is fixedly connected onto the top surface of a fan-shaped plate, a fixed buffer air cavity positioned at the left end of the fan-shaped reinforcing block is arranged inside the fan-shaped reinforcing block, the left side surface of the inner cavity of the fixed buffer air cavity is connected with a traction piston through a traction spring in a transmission manner, the traction piston is connected with the inner wall of the fixed buffer air cavity in a sliding manner, the left side surface of the traction piston is fixedly connected with a collision power rod, the left end of the collision power rod extends to the outside of the fan-shaped reinforcing block, the collision power rod is movably inserted into the fan-shaped reinforcing block, a steel ball is movably inserted into the end surface at the left end of the collision power rod, and an air delivery bent pipe is fixedly inserted into the right side surface of the fan-shaped reinforcing block, the left end of the gas transmission bent pipe is fixedly communicated with the fixed buffer gas cavity, a branch gas pipe is fixedly communicated on a pipeline of the gas transmission bent pipe, and the gas transmission bent pipe and the branch gas pipe are respectively and fixedly communicated with the constant pressure pipelines on the two fan-shaped plates.

Preferably, still include vortex drive structure, vortex drive structure includes the fixed disk case, the bottom surface fixed connection of fixed disk case is on the top surface of extension pipe bottom extension disc case, the last activity of fixed disk case is pegged graft and is had the linkage sleeve pipe, the bottom activity of linkage sleeve pipe cup joints on the bottom surface of fixed disk case inner chamber, the rotary rod activity is pegged graft in linkage sheathed tube inside, the fixed cover in linkage sheathed tube outside is cup jointed and is located the turbine leaf of fixed disk incasement portion, the fixed intercommunication of fixed disk case has output tube and input tube on the surface, the other end and the fixed intercommunication of circulating liquid case of output tube, the fixed eccentric block that is located fixed disk case outside that cup joints of linkage sheathed tube outside, eccentric block and conflict power pole looks adaptation.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

the biological purification tower can carry out biological purification on waste gas containing VOCs so as to reduce the content of VOCs in the waste gas, the space expanding mechanism provides a displacement space for the biological packing layer, the biological packing layer can move away from an inflation position, meanwhile, the space expanding mechanism can enable people to adjust and control the operation speed of the replacement exchange structure, the replacement exchange structure can drive the air locking structure to rotate, the biological packing layer filled with the waste gas can be driven to rotate by the air locking structure, so that the biological packing layer full of the waste gas is disconnected with the waste gas flow, the time of the waste gas staying in the biological packing layer is prolonged, the purification effect and the purification speed are increased, the turbulence driving structure can drive the turbulence generation structure to operate, the turbulence generation structure can regularly apply blowing and sucking force to the gap air flow disturbance structure, and the gap air flow disturbance structure can apply regular blowing and sucking force to the biological packing layer, make the waste gas in the biological packing layer internal clearance produce the vortex, and then make the biomembrane contact on VOCs and the biological packing layer surface in the waste gas, help accelerating microorganism to VOCs's degradation, purifying effect is better, and purifying speed is faster, has improved the practicality that this adjustable biological method purified VOCs device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of FIG. 1 according to the present invention;

FIG. 3 is a schematic view showing the internal structure of the biological purification tower of FIG. 1 according to the present invention;

FIG. 4 is a top view of the expansion magazine of FIG. 2 of the present invention;

FIG. 5 is a top view of the airlock structure of FIG. 2 according to the present invention;

FIG. 6 is a schematic view showing the internal structure of the extension disc box of FIG. 2 according to the present invention;

FIG. 7 is a schematic diagram of an internal structure of the turbulence generating structure of FIG. 2 according to the present invention;

FIG. 8 is a schematic diagram of an internal structure of the turbulent driving structure shown in FIG. 2 according to the present invention;

fig. 9 is a cross-sectional view taken at a-a of fig. 8 in accordance with the present invention.

The reference numbers in the figures illustrate:

1. a biological purification tower; 101. a circulating liquid tank; 102. a regeneration reaction box; 103. a liquid through hole; 104. digesting the bacterial liquid; 105. a gas distribution plate; 106. a blower; 107. a drug adder; 108. a fixing strip; 109. a liquid extraction tube; 110. a liquid circulation pump; 111. a liquid ejection tube; 112. fixing a side branch pipe; 113. a liquid distribution shower head; 114. a purification absorption tower; 115. an exhaust gas discharge hole; 116. a vent hole plate; 117. demisting the filling layer; 118. a biological filler layer; 2. a space expanding mechanism; 21. an extension tube; 22. expanding the disc box; 23. butting the through holes; 24. sealing the cover plate; 25. an intelligent control cabinet; 3. an air locking structure; 30. an outer ring seal groove; 31. an air locking disc; 32. locking the air in a sector shape; 33. a fan-shaped compaction cover plate; 34. air holes are formed; 35. a through hole; 36. an inner ring seal groove; 37. an inner ring sealing ring; 38. a strip-shaped sealing groove; 39. a strip-shaped sealing strip; 300. an outer ring seal ring; 4. a gap airflow perturbation structure; 41. a sector plate; 42. a fan-shaped buffer tank; 43. disturbing the elastic membrane; 44. a constant pressure pipeline; 5. replacing the exchange structure; 51. a carrier plate; 52. supporting the diagonal rods; 53. a servo motor; 54. rotating the rod; 55. a linkage strut; 6. a turbulent flow generating structure; 61. a sector-shaped reinforcing block; 62. fixing a buffer air cavity; 63. a tension spring; 64. pulling the piston; 65. against the power rod; 66. a gas delivery elbow; 67. a branch gas pipe; 7. a turbulent flow driving structure; 71. fixing the disc box; 72. a linkage sleeve; 73. a steam turbine blade; 74. an output pipe; 75. an input tube; 76. an eccentric mass.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; rather than all embodiments. Based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

Referring to fig. 1-9, an adjustable apparatus for purifying VOCs by biological method comprises a biological purification tower 1, the biological purification tower 1 comprises a circulating liquid tank 101, a regeneration reaction tank 102 is fixedly connected to the left side of the circulating liquid tank 101, the bottom surface of the regeneration reaction tank 102 is flush with the bottom surface of the circulating liquid tank 101, a liquid through hole 103 is formed in the left side of the circulating liquid tank 101, the liquid through hole 103 is fixedly communicated with the regeneration reaction tank 102, digestive juice 104 is filled in the circulating liquid tank 101 and the regeneration reaction tank 102, an air distribution disc 105 is fixedly installed on the bottom surface of the inner cavity of the regeneration reaction tank 102, an air blower 106 is fixedly installed on the left side of the regeneration reaction tank 102, an air outlet pipe on the air blower 106 extends into the regeneration reaction tank 102 and is fixedly communicated with the air distribution disc 105, a drug adder 107 is fixedly installed on the top surface of the regeneration reaction tank 102, the medicine adder 107 is used for adding medicines such as nutrient solution, the bottom of the medicine adder 107 is fixedly communicated with the regeneration reaction box 102, the left side surface of the circulating liquid box 101 is fixedly connected with a fixing strip 108 positioned above the regeneration reaction box 102, a liquid extraction pipe 109 is fixedly inserted on the fixing strip 108, the bottom end of the liquid extraction pipe 109 extends into the regeneration reaction box 102 and is immersed into the digestive juice 104, the top end of the liquid extraction pipe 109 is fixedly communicated with a liquid circulating pump 110, the top of the liquid circulating pump 110 is fixedly communicated with a liquid injection pipe 111, two fixed side branch pipes 112 are fixedly communicated on the pipeline of the liquid injection pipe 111, the other ends of the fixed side branch pipes 112 are fixedly communicated with a liquid distribution shower head 113, the top of the circulating liquid box 101 is fixedly communicated with a purification absorption tower 114, the end of one fixed side branch pipe 112 extends into the purification absorption tower 114, the corresponding liquid distribution shower head 113 is positioned in the middle of the inner cavity of the purification absorption tower 114, the top end of the purification absorption tower 114 is fixedly communicated with a tail gas discharge hole 115, the inner wall of the purification absorption tower 114 is fixedly connected with a vent hole plate 116 positioned at the top of the purification absorption tower, the top surface of the vent hole plate 116 is filled with a demisting filling layer 117, and a biological filler layer 118 is arranged between the circulating liquid tank 101 and the purification absorption tower 114.

The device also comprises a space expanding mechanism 2, the space expanding mechanism 2 comprises an expanding pipe 21, the end part of another fixed side branch pipe 112 extends to the inside of the expanding pipe 21, a liquid distribution shower 113 corresponding to the expanding pipe 21 is positioned in the expanding pipe 21 and at the middle position of the expanding pipe, the diameter of the expanding pipe 21 is the same as that of the purifying absorption tower 114, the upper end and the lower end of the expanding pipe 21 are fixedly communicated with an expanding disc box 22, the expanding disc box 22 at the bottom end of the expanding pipe 21 is fixedly communicated with the top end of the circulating liquid box 101, the circulating liquid box 101 is positioned under the expanding pipe 21, the expanding disc box 22 at the top end of the expanding pipe 21 is fixedly communicated with the bottom end of the purifying absorption tower 114, the purifying absorption tower 114 is positioned right above the expanding pipe 21, the top surface of the expanding pipe 21 is provided with a butt joint through hole 23 at the right end of the expanding pipe, the top surface of the expanding pipe 21 is provided with a sealing cover plate 24 positioned in the clockwise direction of the butt joint through hole 23, the bottom surface of the expansion disc box 22 at the bottom end of the expansion pipe 21 is fixedly provided with an intelligent control cabinet 25 positioned at the right end, the bottom surface of the intelligent control cabinet 25 is flush with the bottom surface of the circulating liquid box 101, and the intelligent control cabinet 25 is electrically connected with the air blower 106, the medicine adder 107, the liquid circulating pump 110 and the servo motor 53.

The air locking structure comprises an air locking structure 3, the air locking structure 3 comprises two air locking discs 31, the number of the air locking discs 31 is two, the two air locking discs 31 are respectively inserted in the two expansion disc boxes 22 in a sliding manner, the top surface of the air locking discs 31 is provided with four fan-shaped air locking 32, the four fan-shaped air locking 32 are uniformly distributed on the top surface of the air locking discs 31, a biological packing layer 118 is filled in the fan-shaped air locking 32, a purification absorption tower 114, a butt joint through hole 23 and a sealing cover plate 24 respectively correspond to the fan-shaped air locking 32, the fan-shaped air locking 32 is movably inserted and connected with a fan-shaped compacting cover plate 33 positioned at the top part, the bottom surface of the fan-shaped compacting cover plate 33 is contacted with the top surface of the biological packing layer 118, the top surface of the fan-shaped compacting cover plate 33 is flush with the top surface of the air locking discs 31, the fan-shaped compacting cover plate 33 is provided with air holes 34, the air holes 34 correspond to the butt joint through holes 23, the bottom surface of the air locking discs 31 is provided with through holes 35, the through hole 35 is communicated with the fan-shaped air locking 32, the fan-shaped air locking 32 on one air locking disc 31 is communicated with the expansion pipe 21 through the through hole 35, the fan-shaped air locking 32 on the other air locking disc 31 is communicated with the circulating liquid tank 101 through the through hole 35, the upper surface and the lower surface of the air locking disc 31 are respectively provided with an inner ring sealing groove 36 positioned in the middle part, the inner ring sealing groove 36 is fixedly embedded with an inner ring sealing ring 37, the upper surface and the lower surface of the air locking disc 31 are respectively provided with a strip-shaped sealing groove 38 positioned between two adjacent fan-shaped air locking 32, the strip-shaped sealing groove 38 is fixedly embedded with a strip-shaped sealing strip 39, the strip-shaped sealing groove 38 is communicated with the inner ring sealing groove 36, the strip-shaped sealing strip 39 is connected with the inner ring sealing ring 37, the upper surface and the lower surface of the air locking disc 31 are respectively provided with an outer ring sealing groove 30 positioned at the edge of the air locking disc, the outer ring sealing ring 300 is fixedly embedded in the outer ring sealing groove 30, and the outer ring sealing groove 30 is communicated with the strip-shaped sealing groove 38, the outer ring sealing ring 300 is fixedly connected with the strip-shaped sealing strip 39, and the inner ring sealing groove 36, the strip-shaped sealing strip 39 and the outer ring sealing ring 300 are all connected with the inner wall of the expansion disc box 22 in a sliding mode.

Still include clearance air current disturbance structure 4, clearance air current disturbance structure 4 includes sector plate 41, the quantity of sector plate 41 is two, two sector plate 41 respectively fixed connection just are located its right-hand member on two extension disc case 22's top surfaces, sector dashpot 42 has been seted up on sector plate 41's the bottom surface, butt joint through-hole 23 and sector dashpot 42 intercommunication, fixedly connected with is located the disturbance elastic membrane 43 of its bottom on sector dashpot 42's the inner wall, the bottom surface contact laminating of disturbance elastic membrane 43 is on extension disc case 22's top surface and will dock through-hole 23 and block up, fixed grafting has constant voltage pipeline 44 on sector plate 41, constant voltage pipeline 44 and the fixed intercommunication of sector dashpot 42.

Still include and replace exchange structure 5, it includes loading board 51 to replace exchange structure 5, loading board 51 fixed connection is on circulating liquid tank 101's right flank, fixedly connected with is located the support down tube 52 of its right-hand member on loading board 51's the bottom surface, the other end fixed connection of support down tube 52 is on circulating liquid tank 101's right flank, fixed mounting has servo motor 53 on loading board 51's the top surface, the top fixedly connected with rotary rod 54 of output shaft on servo motor 53, two extension disc casees 22 and two gas locking discs 31 are run through to the top of rotary rod 54, rotary rod 54 is located the center pin position of extension disc case 22 and gas locking disc 31, rotary rod 54 activity is pegged graft on extension disc case 22, rotary rod 54 is pegged graft on gas locking disc 31 fixedly, rotary rod 54's fixed connection has linkage branch 55 on the surface, linkage branch 55 is fixed to be pegged graft in the inside of gas locking disc 31.

The vortex generating structure comprises a vortex generating structure 6, the vortex generating structure 6 comprises a fan-shaped reinforcing block 61, the fan-shaped reinforcing block 61 is positioned between two expansion disc boxes 22, the top surface of the fan-shaped reinforcing block 61 is fixedly connected with the bottom surfaces of the expansion disc boxes 22 at the top ends of the expansion pipes 21, the bottom surface of the fan-shaped reinforcing block 61 is fixedly connected with the top surface of one fan-shaped plate 41, a fixed buffer air cavity 62 positioned at the left end of the fan-shaped reinforcing block 61 is formed in the fan-shaped reinforcing block 61, the left side surface of the inner cavity of the fixed buffer air cavity 62 is connected with a traction piston 64 in a transmission mode through a traction spring 63, the traction piston 64 is in sliding connection with the inner wall of the fixed buffer air cavity 62, a collision power rod 65 is fixedly connected onto the left side surface of the traction piston 64, the left end of the collision power rod 65 extends to the outside of the fan-shaped reinforcing block 61, the power rod 65 is movably inserted into the fan-shaped reinforcing block 61, a steel ball is movably embedded on the end surface at the left end of the collision power rod 65, an air delivery bent pipe 66 is fixedly inserted on the right side surface of the fan-shaped reinforcing block 61, the left end of the air delivery bent pipe 66 is fixedly communicated with the fixed buffer air cavity 62, a branch air pipe 67 is fixedly communicated on a pipeline of the air delivery bent pipe 66, and the air delivery bent pipe 66 and the branch air pipe 67 are respectively and fixedly communicated with the constant pressure pipelines 44 on the two fan-shaped plates 41.

The vortex flow driving structure 7 is characterized by further comprising a vortex flow driving structure 7, the vortex flow driving structure 7 comprises a fixed disc box 71, the bottom surface of the fixed disc box 71 is fixedly connected to the top surface of the expansion disc box 22 at the bottom end of the expansion pipe 21, a linkage sleeve 72 is movably inserted into the fixed disc box 71, the bottom end of the linkage sleeve 72 is movably sleeved on the bottom surface of the inner cavity of the fixed disc box 71, a rotating rod 54 is movably inserted into the linkage sleeve 72, a turbine blade 73 located inside the fixed disc box 71 is fixedly sleeved outside the linkage sleeve 72, an output pipe 74 and an input pipe 75 are fixedly communicated with the surface of the fixed disc box 71, the other end of the output pipe 74 is fixedly communicated with the circulating liquid box 101, an eccentric block 76 located outside the fixed disc box 71 is fixedly sleeved outside the linkage sleeve 72, and the eccentric block 76 is matched with the collision power rod 65.

The working principle is as follows:

firstly, a liquid circulating pump 110 is started through an intelligent control cabinet 25, then the liquid circulating pump 110 drives the digestive bacteria liquid 104 in the regeneration reaction box 102 to pass through a liquid extraction pipe 109, the liquid circulating pump 110, a liquid injection pipe 111 and a fixed side branch pipe 112 and spray from a liquid distribution shower head 113 to a fan-shaped compaction cover plate 33, then the digestive bacteria liquid 104 passes through an air vent 34 and enters a gap of a biological filler layer 118, then the digestive bacteria liquid 104 passes through a gap of the biological filler layer 118, a through hole 35 and an expansion pipe 21 and is converged into the digestive bacteria liquid 104 in the circulation liquid box 101, then the digestive bacteria liquid 104 in the circulation liquid box 101 enters the regeneration reaction box 102 through a liquid through hole 103 under the action of pressure, so that the circulating flow of the digestive bacteria liquid 104 is realized, then an air blower 106 is started through the intelligent control cabinet 25, then the air blower 106 blows air into an air distribution disc 105, and then the air is blown into the bacteria liquid digestion box 104 by the air distribution disc 105 in the form of small bubbles, the device is used for increasing the oxygen content in the digestive juice 104, then the servo motor 53 is controlled to rotate by the intelligent control cabinet 25, then the servo motor 53 drives the air locking disc 31 to rotate clockwise by the rotating rod 54 and the linkage supporting rod 55, then the air locking disc 31 drives the biological filler layer 118 to rotate by the fan-shaped air locking 32, then the waste gas enters the circulating liquid tank 101 through the input pipe 75, the fixed disc tank 71 and the output pipe 74, then the air pressure in the circulating liquid tank 101 gradually rises, then the waste gas flows upwards under the action of the air pressure and enters the gaps of the biological filler layer 118 in the corresponding fan-shaped air locking 32 through the through holes 35, in the process, microorganisms on the surface of the biological filler layer 118 can biodegrade VOCs in the waste gas, then the rotating biological filler layer 118 drives the waste gas in the gaps to enter the expanding disc tank 22, and then the fan-shaped air locking 32 where the biological filler layer 118 is located completely enters the expanding disc tank 22, at this time, the sector air lock 32 forms an independent space under the matching of the inner ring seal ring 37, the strip seal strip 39 and the outer ring seal ring 300, the waste gas in the gap of the biological filler layer 118 contacts with the microorganisms on the surface, then the microorganisms biodegrade the VOCs in the waste gas, then the sector air lock 32 continuously rotates along with the air lock disc 31 and is communicated with the butt joint through hole 23 through the air holes 34, then the waste gas enters the fixed disc box 71 from the input pipe 75 to push the steam wheel blade 73 to rotate, then the steam wheel blade 73 drives the linkage sleeve 72 to rotate, then the linkage sleeve 72 drives the eccentric block 76 to rotate, then the long shaft side of the eccentric block 76 gradually leaves away from the butt joint power rod 65, then the drawing piston 64 moves leftwards under the elastic pulling force of the drawing spring 63, then the air pressure in the cavity on the right side of the drawing piston 64 in the fixed buffer air cavity 62 is reduced, and then the low air pressure cavity in the fixed buffer air cavity 62 passes through the air delivery elbow 66, The branch air pipe 67 and the constant pressure pipeline 44 are communicated with the fan-shaped buffer tank 42, so that the air pressure inside the fan-shaped buffer tank 42 is reduced, then the waste gas in the gap of the biological filler layer 118 overflows upwards under the action of the air pressure difference and exerts a jacking force on the disturbing elastic membrane 43, so that the disturbing elastic membrane 43 is bulged upwards, then the long shaft side of the eccentric block 76 gradually approaches the abutting power rod 65, then the eccentric block 76 exerts a thrust force on the abutting power rod 65, then the abutting power rod 65 drives the drawing piston 64 to approach the air transmission elbow 66, then the drawing piston 64 stretches the drawing spring 63, so that the elastic potential energy of the drawing spring 63 is increased, meanwhile, the air pressure inside the fixed buffer air cavity 62 on the right side of the drawing piston 64 is increased, then the air pressure inside the fan-shaped buffer tank 42 is increased, then the disturbing elastic membrane 43 is attached to the top surface of the expansion disc box 22 under the action of the pressure difference and presses the waste gas in the bubbling into the gap inside the biological filler layer 118, repeating the steps, the waste gas in the gaps of the bio-filler layer 118 generates turbulent flow, the VOCS in the waste gas is enabled to be in contact with the biological film on the bio-filler layer 118, the microorganisms on the bio-filler layer 118 are enabled to biodegrade the VOCS, the degradation speed is increased, then the fan-shaped air lock 32 is gradually staggered with the gap air flow disturbance structure 4, then the fan-shaped air lock 32 is completely staggered with the gap air flow disturbance structure 4, the butt joint through hole 23 and the air holes 34 are completely staggered, at the moment, an independent space is formed inside the fan-shaped air lock 32, then the microorganisms on the bio-filler layer 118 continuously purify the waste gas in the gaps, when the bio-filler layer 118 with the waste gas in the gaps is in the expansion disc box 22, the contact time of the waste gas and the microorganisms can be prolonged, the purification effect is increased, the purification speed is changed, then the fan-shaped air lock 32 is gradually communicated with the purification absorption tower 114, then the newly-entered waste gas below the bio-filler layer 118 ejects the waste gas purified inside, the waste gas in the gap of the bio-filler layer 118 is replaced, then the ejected bio-treated waste gas flows upwards and contacts with the digestive bacteria liquid 104 sprayed by the liquid distribution shower head 113, secondary bio-purification is carried out, then the waste gas purified by secondary bio-purification enters the gap of the bio-filler layer 118 above the expansion pipe 21 and is subjected to the same manner to complete three-time bio-purification and four-time bio-purification, the purification effect is better, and then the purified tail gas enters the purification absorption tower 114 and passes through the vent hole plate 116, the demisting filler layer 117 and is discharged from the tail gas discharge hole 115.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides an adjustable biological purification VOCs device, includes biological purification tower (1), its characterized in that: the biological purification tower (1) comprises a circulating liquid tank (101), a regeneration reaction tank (102) is fixedly connected to the left side surface of the circulating liquid tank (101), the bottom surface of the regeneration reaction tank (102) is flush with the bottom surface of the circulating liquid tank (101), a liquid through hole (103) positioned at the bottom end of the circulating liquid tank (101) is formed in the left side surface of the circulating liquid tank, the liquid through hole (103) is fixedly communicated with the regeneration reaction tank (102), digestive juice (104) is filled in the circulating liquid tank (101) and the regeneration reaction tank (102), an air distribution disc (105) is fixedly installed on the bottom surface of an inner cavity of the regeneration reaction tank (102), an air blower (106) is fixedly installed on the left side surface of the regeneration reaction tank (102), an air outlet pipe on the air blower (106) extends to the inside of the regeneration reaction tank (102) and is fixedly communicated with the air distribution disc (105), a drug adder (107) positioned at the left end of the regeneration reaction tank (102) is fixedly installed on the top surface of the regeneration reaction tank (102), the bottom of the drug adder (107) is fixedly communicated with the regeneration reaction box (102), the left side surface of the circulating liquid box (101) is fixedly connected with a fixing strip (108) positioned above the regeneration reaction box (102), a liquid extraction pipe (109) is fixedly inserted on the fixing strip (108), the bottom end of the liquid extraction pipe (109) extends to the inside of the regeneration reaction box (102) and is immersed into the digestive juice (104), the top end of the liquid extraction pipe (109) is fixedly communicated with a liquid circulating pump (110), the top of the liquid circulating pump (110) is fixedly communicated with a liquid injection pipe (111), two fixed side branch pipes (112) are fixedly communicated on a pipeline of the liquid injection pipe (111), the other end of each fixed side branch pipe (112) is fixedly communicated with a liquid distribution shower head (113), the top of the circulating liquid box (101) is fixedly communicated with a purification absorption tower (114), and the end part of one fixed side branch pipe (112) extends to the inside of the purification absorption tower (114), the liquid distribution shower head (113) corresponding to the purification tower is positioned in the middle of the inner cavity of the purification absorption tower (114), the top end of the purification absorption tower (114) is fixedly communicated with a tail gas discharge hole (115), the inner wall of the purification absorption tower (114) is fixedly connected with a vent hole plate (116) positioned at the top of the purification absorption tower, the top surface of the vent hole plate (116) is filled with a demisting filling layer (117), and a biological packing layer (118) is arranged between the circulating liquid tank (101) and the purification absorption tower (114).

2. The apparatus of claim 1, wherein the apparatus further comprises: the device is characterized by further comprising a space expansion mechanism (2), the space expansion mechanism (2) comprises an expansion pipe (21), the end part of another fixed side branch pipe (112) extends to the inside of the expansion pipe (21), a liquid distribution shower head (113) corresponding to the space expansion mechanism is positioned in the expansion pipe (21) and positioned in the middle of the expansion pipe, the diameter of the expansion pipe (21) is the same as that of the purification absorption tower (114), the upper end and the lower end of the expansion pipe (21) are fixedly communicated with expansion disc boxes (22), the expansion disc boxes (22) at the bottom end of the expansion pipe (21) are fixedly communicated with the top end of the circulating liquid box (101), the circulating liquid box (101) is positioned under the expansion pipe (21), the expansion disc boxes (22) at the top end of the expansion pipe (21) are fixedly communicated with the bottom end of the purification absorption tower (114), the purification absorption tower (114) is positioned over the expansion pipe (21), and the top surface of the expansion pipe (21) is provided with a butt joint through hole (23) at the right end, a sealing cover plate (24) located on the clockwise direction of the butt joint through hole (23) is arranged on the top surface of the extension pipe (21), an intelligent control cabinet (25) located at the right end of the extension pipe (21) is fixedly mounted on the bottom surface of the extension disc box (22) at the bottom end of the extension pipe, and the bottom surface of the intelligent control cabinet (25) is flush with the bottom surface of the circulating liquid box (101).

3. The apparatus of claim 2, wherein the apparatus further comprises: the air locking device is characterized by further comprising an air locking structure (3), the air locking structure (3) comprises two air locking discs (31), the number of the air locking discs (31) is two, the two air locking discs (31) are respectively inserted into the two expansion disc boxes (22) in a sliding mode, four fan-shaped air locking discs (32) are arranged on the top surface of each air locking disc (31), the four fan-shaped air locking discs (32) are uniformly distributed on the top surface of each air locking disc (31), the biological packing layer (118) is filled in the fan-shaped air locking discs (32), the purification absorption tower (114), the butt joint through holes (23) and the sealing cover plate (24) respectively correspond to the fan-shaped air locking discs (32), a fan-shaped compaction cover plate (33) located at the top of the fan-shaped air locking discs (32) is movably inserted into the fan-shaped compaction cover plate (33) located at the top of the fan-shaped air locking discs, the bottom surface of the fan-shaped compaction cover plate (33) is in contact with the top surface of the biological packing layer (118), and the top surface of the fan-shaped compaction cover plate (33) is flush with the top surface of the air locking discs (31), the fan-shaped compaction cover plate (33) is provided with vent holes (34), the vent holes (34) correspond to the butt joint through holes (23), the bottom surface of the air locking disc (31) is provided with through holes (35), the through holes (35) are communicated with the fan-shaped air locking disc (32), the fan-shaped air locking disc (32) on one air locking disc (31) is communicated with the expansion pipe (21) through the through holes (35), the fan-shaped air locking disc (32) on the other air locking disc (31) is communicated with the circulating liquid tank (101) through the through holes (35), the upper surface and the lower surface of the air locking disc (31) are respectively provided with an inner ring sealing groove (36) positioned in the middle part of the air locking disc, the inner ring sealing groove (36) is fixedly embedded with an inner ring sealing ring (37), the upper surface and the lower surface of the air locking disc (31) are respectively provided with a strip-shaped sealing groove (38) positioned between two adjacent fan-shaped air locking discs (32), and the strip-shaped sealing strips (39) are fixedly embedded in the strip sealing grooves (38), the strip-shaped sealing groove (38) is communicated with the inner ring sealing groove (36), the strip-shaped sealing strip (39) is connected with the inner ring sealing ring (37), the outer ring sealing groove (30) located at the edge of the air locking disc (31) is formed in the upper surface and the lower surface of the air locking disc (31), the outer ring sealing ring (300) is fixedly embedded in the outer ring sealing groove (30), the outer ring sealing groove (30) is communicated with the strip-shaped sealing groove (38), the outer ring sealing ring (300) is fixedly connected with the strip-shaped sealing strip (39), and the inner ring sealing groove (36), the strip-shaped sealing strip (39) and the outer ring sealing ring (300) are all in sliding connection with the inner wall of the expansion disc box (22).

4. The apparatus of claim 3, wherein the apparatus further comprises: still include clearance air current disturbance structure (4), clearance air current disturbance structure (4) are including sector plate (41), the quantity of sector plate (41) is two, two sector plate (41) respectively fixed connection just are located its right-hand member on the top surface of two extension disc casees (22), sector dashpot (42) have been seted up on the bottom surface of sector plate (41), butt joint through-hole (23) and sector dashpot (42) intercommunication, fixedly connected with is located disturbance elastic membrane (43) of its bottom on the inner wall of sector dashpot (42), the bottom surface contact laminating of disturbance elastic membrane (43) is on the top surface of extension disc case (22) and will dock through-hole (23) shutoff, fixed grafting has constant voltage pipeline (44) on sector plate (41), constant voltage pipeline (44) and sector dashpot (42) fixed intercommunication.

5. The apparatus of claim 4, wherein the apparatus further comprises: the device also comprises a replacement exchange structure (5), the replacement exchange structure (5) comprises a bearing plate (51), the bearing plate (51) is fixedly connected to the right side surface of the circulating liquid tank (101), a supporting diagonal rod (52) positioned at the right end of the bearing plate (51) is fixedly connected to the bottom surface of the bearing plate (51), the other end of the supporting diagonal rod (52) is fixedly connected to the right side surface of the circulating liquid tank (101), a servo motor (53) is fixedly installed on the top surface of the bearing plate (51), a rotary rod (54) is fixedly connected to the top end of an output shaft on the servo motor (53), the top end of the rotary rod (54) penetrates through the two expansion disc boxes (22) and the two air locking discs (31), the rotary rod (54) is positioned at the central axes of the expansion disc boxes (22) and the air locking discs (31), the rotary rod (54) is movably inserted into the expansion disc boxes (22), and the rotary rod (54) is fixedly inserted into the air locking discs (31), the surface of the rotating rod (54) is fixedly connected with a linkage supporting rod (55), and the linkage supporting rod (55) is fixedly inserted in the air locking disc (31).

6. The apparatus of claim 5, wherein the apparatus further comprises: the vortex generating structure comprises a vortex generating structure (6), the vortex generating structure (6) comprises a fan-shaped reinforcing block (61), the fan-shaped reinforcing block (61) is positioned between two expansion disc boxes (22), the top surface of the fan-shaped reinforcing block (61) is fixedly connected with the bottom surfaces of the expansion disc boxes (22) at the top ends of the expansion pipes (21), the bottom surfaces of the fan-shaped reinforcing block (61) are fixedly connected onto the top surface of one fan-shaped plate (41), a fixed buffer air cavity (62) positioned at the left end of the fan-shaped reinforcing block is formed in the fan-shaped reinforcing block (61), the left side surface of the inner cavity of the fixed buffer air cavity (62) is in transmission connection with a traction piston (64) through a traction spring (63), the traction piston (64) is in sliding connection with the inner wall of the fixed buffer air cavity (62), a collision power rod (65) is fixedly connected onto the left side surface of the traction piston (64), and the left end of the collision power rod (65) extends to the outside of the fan-shaped reinforcing block (61), conflict power rod (65) activity is pegged graft in the inside of fan-shaped boss (61), the activity is inlayed on the terminal surface of conflict power rod (65) left end and is equipped with the steel ball, fixed grafting is equipped with gas transmission return bend (66) on the right flank of fan-shaped boss (61), the left end and the fixed buffer air cavity (62) of gas transmission return bend (66) are fixed to be communicated, fixed intercommunication has tributary trachea (67) on the pipeline of gas transmission return bend (66), tributary trachea (67) respectively with two fan-shaped board (41) on constant voltage pipeline (44) fixed intercommunication.

7. The apparatus of claim 6, wherein the apparatus further comprises: the vortex flow driving device is characterized by further comprising a vortex flow driving structure (7), the vortex flow driving structure (7) comprises a fixed disc box (71), the bottom surface of the fixed disc box (71) is fixedly connected to the top surface of an expansion disc box (22) at the bottom end of an expansion pipe (21), a linkage sleeve (72) is movably inserted into the fixed disc box (71), the bottom end of the linkage sleeve (72) is movably sleeved on the bottom surface of an inner cavity of the fixed disc box (71), a rotating rod (54) is movably inserted into the linkage sleeve (72), a steam turbine blade (73) positioned in the fixed disc box (71) is fixedly sleeved outside the linkage sleeve (72), an output pipe (74) and an input pipe (75) are fixedly communicated on the surface of the fixed disc box (71), the other end of the output pipe (74) is fixedly communicated with a circulating liquid box (101), an eccentric block (76) positioned outside the fixed disc box (71) is fixedly sleeved outside the linkage sleeve (72), the eccentric block (76) is matched with the abutting power rod (65).