CN114669180A - Device for absorbing VOCs - Google Patents
Device for absorbing VOCs Download PDFInfo
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- CN114669180A CN114669180A CN202210198802.2A CN202210198802A CN114669180A CN 114669180 A CN114669180 A CN 114669180A CN 202210198802 A CN202210198802 A CN 202210198802A CN 114669180 A CN114669180 A CN 114669180A
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- fixedly connected
- spherical
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 34
- 238000010521 absorption reaction Methods 0.000 claims abstract description 128
- 239000007788 liquid Substances 0.000 claims abstract description 106
- 239000007789 gas Substances 0.000 claims abstract description 90
- 230000002745 absorbent Effects 0.000 claims abstract description 51
- 239000002250 absorbent Substances 0.000 claims abstract description 51
- 238000000926 separation method Methods 0.000 claims abstract description 40
- 239000002912 waste gas Substances 0.000 claims abstract description 36
- 230000000694 effects Effects 0.000 claims abstract description 35
- 230000005291 magnetic effect Effects 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 12
- 230000004308 accommodation Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 239000011229 interlayer Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 2
- 238000012856 packing Methods 0.000 claims 1
- 239000007791 liquid phase Substances 0.000 abstract description 10
- 230000005501 phase interface Effects 0.000 abstract description 9
- 238000003756 stirring Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000746 purification Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000012071 phase Substances 0.000 description 5
- 239000003595 mist Substances 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
Abstract
The invention discloses a device for absorbing VOCs (volatile organic compounds), which comprises a fixed base, wherein a waste gas absorption assembly is fixedly arranged on the top surface of the fixed base; through the gas-liquid separation subassembly, the air current plastic pipe, the cooperation production cooperation effect of liquid entrapment subassembly, the gas-liquid separation effect has further been increased, hold back the structure through the bubble and intercept little bubble and intercept, the time that makes the bubble persist in absorbent solution is longer, help increasing absorption effect and purifying effect, can stir the waste gas in the bubble that the structure was held back to the bubble through the disturbance subassembly, make the waste gas at this bubble middle part can remove gas-liquid phase interface department and participate in the absorption reaction, help further increasing absorption effect and purifying effect, through the gassing structure, make the structure is held back to the bubble can discharge the gas in its interception bubble with the form of microbubble, increase the area that waste gas and absorbent solution contacted, help increasing absorption effect and purifying effect once more, the practicality of this device that absorbs VOCs has been improved.
Description
Technical Field
The invention relates to the field of waste gas treatment equipment, in particular to a device for absorbing VOCs.
Background
The absorption method is to utilize the physical and chemical properties of VOCs, transfer the VOCs into the absorbent by directly contacting the waste gas with liquid absorbent, usually absorb the VOCs physically, the used absorbent is mainly diesel oil, kerosene and water, etc., any organic matter soluble in the absorbent can be transferred from gas phase to liquid phase, then treat the absorption liquid, the absorption effect mainly depends on the performance of the absorbent and the structural characteristics of the absorption equipment, the principle of the absorbent selection is that the solubility of the VOCs is large, the selectivity is strong, the vapor pressure is low, no toxicity and good chemical stability, etc., the absorption equipment is provided with spray tower, filling tower, various washers, bubble tower, sieve plate tower, etc., the types of the tower are selected according to the absorption efficiency, the resistance of the equipment and the difficulty of operation, sometimes multiple-stage combined absorption can be selected, the gas-liquid absorption equipment commonly used in industry is provided with spray tower, Packed tower, plate tower, bubble tower, etc. in which the gas phase is continuous phase and the liquid phase is dispersed phase, and features large phase interface area and relatively great liquid-gas ratio.
The existing bubble tower mainly comprises a tower body, a gas distributor, a baffle, a liquid trap, absorption liquid and the like, when the bubble tower is used, waste gas firstly enters the gas distributor, then the gas distributor discharges the waste gas into the absorption liquid in the form of small bubbles, then the small bubbles move upwards in the absorption liquid, VOCs in the bubbles enter the absorption liquid to be removed in the process of the small bubbles moving upwards, but the baffle is used for carrying out gas-liquid separation on tail gas, the effect is extremely poor, partial absorption liquid can be taken away, the small bubbles rise faster in the absorption liquid, the contact time of the waste gas and the absorption liquid is short, the purification effect is poor, the small bubbles can be fused with each other to form large bubbles in the rising process, the large bubbles rise faster, the purification effect is worse, meanwhile, the waste gas in the bubbles stands relatively, only VOCs at the interface of the gas phase and the liquid can be absorbed by the absorption liquid, and the VOCs in the middle of the bubbles are difficult to be absorbed by the absorption liquid, so that the purification effect is extremely poor, and therefore, a device for absorbing the VOCs is urgently needed to be designed.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems that the prior bubble tower in the prior art mainly comprises a tower body, a gas distributor, a baffle, a liquid catcher, absorption liquid and the like, when in use, waste gas firstly enters the gas distributor, then the waste gas is discharged into the absorption liquid in the form of small bubbles by the gas distributor, then the small bubbles move upwards in the absorption liquid, VOCs in the bubbles enter the absorption liquid to be removed in the process that the small bubbles move upwards, but the baffle is used for carrying out gas-liquid separation on tail gas, the effect is extremely poor, partial absorption liquid can be taken away, the small bubbles rise faster in the absorption liquid, the contact time between the waste gas and the absorption liquid is short, the purification effect is poor, the small bubbles can be fused with each other to form large bubbles in the rising process, the large bubbles rise faster, the purification effect is poor, meanwhile, the waste gas in the bubbles stands relatively, only VOCs at a gas-liquid phase interface can be absorbed by the absorption liquid, the invention aims to provide a device for absorbing VOCs, which can well solve the problems in the background art.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The device for absorbing VOCs comprises a fixed base, wherein a waste gas absorbing assembly is fixedly mounted on the top surface of the fixed base.
Preferably, the waste gas absorption assembly comprises an absorption tower body, the bottom end of the absorption tower body is fixedly inserted on the top surface of a fixed base, the top end of the absorption tower body is fixedly communicated with a purified gas outlet pipe, the left side surface of the absorption tower body is fixedly communicated with an absorption liquid discharge pipe positioned at the top of the absorption tower body, the left side surface of the absorption tower body is fixedly communicated with an absorption liquid inlet pipe positioned at the bottom of the absorption tower body, the left end of the absorption liquid inlet pipe extends into the fixed base and extends out from the left side surface of the fixed base, the inner wall of the absorption tower body is fixedly connected with a gas distributor positioned at the bottom of the absorption tower body, the gas distributor is positioned below the absorption liquid inlet pipe, the right side surface of the gas distributor is fixedly communicated with a waste gas inlet pipe, the right end of the waste gas inlet pipe extends into the fixed base and extends out from the right side surface of the fixed base, and the inner wall of the absorption tower body is fixedly connected with four conical shielding pipes, the four conical shielding pipes are distributed between the absorption liquid discharge pipe and the absorption liquid inlet pipe, the absorption tower body is filled with an absorbent solution, the liquid level at the top end of the absorbent solution is higher than the absorption liquid discharge pipe, and the absorption liquid inlet pipe, the gas distributor and the conical shielding pipes are soaked in the absorbent solution.
Preferably, still include liquid entrapment subassembly, liquid entrapment subassembly includes entrapment fixed branch, and the top fixed connection of entrapment fixed branch is on the top surface of absorption tower body inner chamber, and the bottom fixedly connected with ball panel of entrapment fixed branch, ball panel lie in and purify the gas outlet duct under, and the bottom fixed intercommunication of ball panel has a through pipe, and fixedly connected with bears the collision baffle on the inner wall of through pipe, bears the top fixed connection who hits the baffle and on the top surface of ball panel inner chamber.
Preferably, the gas-liquid separation device further comprises a gas-liquid separation assembly, the gas-liquid separation assembly comprises an expansion pipe, the top end of the expansion pipe is fixedly connected to the inner wall of the absorption tower body and located above the absorption liquid discharge pipe, the expansion pipe is located under the straight pipe, the bottom end of the expansion pipe is fixedly communicated with a separation pipe, the bottom end of the separation pipe is fixedly connected with a gas collection cone cover, the liquid level of an absorbent solution is located in an interlayer between the surface of the separation pipe and the inner wall of the absorption tower body, the top end of the gas collection cone cover extends to the inside of the separation pipe, a bearing hole is formed in the gas collection cone cover, a frustum shell located at the top of the separation pipe is fixedly connected to the inner wall of the separation pipe, an insertion hole is formed in the top surface of the frustum shell, a restraint pipe is fixedly connected to the top surface of the frustum shell, the restraint pipe is located under the straight pipe, and a backflow hole located above the frustum shell is formed in the surface of the separation pipe.
Preferably, still include the air current plasticity pipe, the bottom mounting grafting of air current plasticity pipe is in the inside of accepting the hole and with the fixed intercommunication of gas collection awl cover, the fixed grafting in the inside of spliced eye in top of air current plasticity pipe, the spliced eye is run through on top of air current plasticity pipe, the air current plasticity pipe is the heliciform, the spiral radius from the bottom up on the air current plasticity pipe reduces gradually, the opening of air current plasticity socle end is greater than the opening on its top, the inside passageway from the bottom up of air current plasticity pipe reduces gradually.
Preferably, still include the bubble and hold back the structure, the bubble is held back the structure and is included the sphere and block the board, the sphere blocks the inside that the board is located the absorption tower body and is located between two adjacent toper blocks the pipe, the quantity that the sphere blocks the board is a plurality of, a plurality of spheres block the board and be multirow multiseriate in the inside of absorption tower body and arrange, a sphere blocks the board and is located the intermediate line between two adjacent spheres of its below and blocks the board, fixedly connected with inclined support pole on the bottom surface of sphere blocks the board, the bottom fixedly connected with fixed lantern ring of inclined support pole, the inside fixed grafting of fixed lantern ring has fixed horizontal pole, the tip fixed connection of fixed horizontal pole is on the inner wall of absorption tower body, the sphere die cavity has been seted up to the inside of sphere blocks the board, fixed intercommunication has the branch gas check valve on the top surface of sphere blocks the board, divide gas check valve and the fixed intercommunication of sphere die cavity.
Preferably, the device also comprises a disturbance assembly, the disturbance assembly comprises a positioning fixing column, the positioning fixing column is fixedly inserted on the spherical interception plate and is positioned in the middle of the spherical interception plate, a driving rod is movably inserted on the top surface of the positioning fixing column, the top end of the driving rod is fixedly connected with a driving block, the side surface of the driving block is fixedly connected with a transmission wing strip, the other end of the transmission wing strip is fixedly connected with a wind blade, the wind blade is positioned on the outer side of the spherical interception plate, a rotating cavity positioned below the driving rod is arranged inside the positioning fixing column, a strong magnetic rotating strip is slidably inserted inside the rotating cavity, the bottom end of the driving rod is fixedly connected on the top surface of the strong magnetic rotating strip, a driven rod is movably inserted on the bottom surface of the positioning fixing column, a driven block positioned at the bottom end of the driven rod is fixedly sleeved outside the driven rod, a disturbed flow triangular plate is fixedly connected on the side surface of the driven block, and a wave breaking knife is fixedly connected on the bottom surface of the disturbed flow triangular plate, the fixed disk die cavity that is located the driven lever top is seted up to the inside of location fixed column, and the top of driven lever extends to the inside of fixed disk die cavity, equal fixedly connected with strong magnetic block on the left and right sides face of driven lever, the inner wall sliding connection of strong magnetic block and fixed disk die cavity, strong magnetic block and strong magnetism rotating strip looks adaptation, the T type through wires hole that is located between rotating chamber and the fixed disk die cavity is seted up to the inside of location fixed column.
Preferably, the driven lever includes rotatory excellent main part, and the top activity of rotatory excellent main part is pegged graft in the inside of location fixed column and fixed disk die cavity, and strong magnetic block fixed connection is on the side of rotatory excellent main part, and the fixed cup joint of driven piece is on the bottom of rotatory excellent main part, and fixed perforation has been seted up to the inside of rotatory excellent main part, fixed fenestrate top be the opening form and with T type through wires hole intercommunication, seted up the accommodation hole on the bottom surface of rotatory excellent main part, seted up the bell mouth on the top surface of accommodation hole inner chamber.
Preferably, the device also comprises an air discharging structure, the air discharging structure comprises a fixed disc, the fixed disc is fixedly sleeved outside the positioning fixed column and inside the spherical cavity, an installation cavity at the top of the fixed disc is arranged inside the fixed disc, a rotary sleeve is movably sleeved on the top surface of the inner cavity of the installation cavity, a reel is fixedly sleeved outside the rotary sleeve, a pulling wire is wound outside the reel, the other end of the pulling wire penetrates through the T-shaped threading hole, the fixed perforation, the conical hole and extends to the inside of the accommodating hole and is fixedly connected with a conical floating block, the bottom end of the conical floating block is fixedly connected with a cylindrical floating block, the cylindrical floating block is movably inserted inside the accommodating hole, the conical floating block is matched with the conical hole, a power storage spring is movably sleeved outside the rotary sleeve, one end of the power storage spring is fixedly connected to the surface of the rotary sleeve, the other end of the power storage spring is fixedly connected to the left side surface of the inner cavity of the installation cavity, the sealed chamber that is located the installation cavity below is seted up to the inside of fixed disc, rotating sleeve's bottom extends to the inside in sealed chamber, the triangle-shaped pit has been seted up on the bottom surface of sealed intracavity chamber, the inside activity of triangle-shaped pit is pegged graft and is had the triangle-shaped end cap, fixedly connected with threaded rod on the top surface of triangle-shaped end cap, the top screw thread of threaded rod is pegged graft in rotating sleeve's inside, be fixed on the lateral surface of fixed disc peg graft have with the fixed gas-supply pipe that communicates of triangle-shaped pit, the fixed intercommunication of gas-supply pipe and sphere die cavity, be fixed on the bottom surface of fixed disc peg graft have with the adapter tube of the fixed intercommunication of triangle-shaped pit, the bottom mounting of adapter tube is pegged graft and is the opening form on the bottom surface of sphere interception board.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
the waste gas absorption assembly can stably stand through the fixed base, VOCs in waste gas can be absorbed through the waste gas absorption assembly to achieve the purpose of purification, liquid components in the tail gas can be trapped through the liquid trapping assembly to achieve the effect of gas-liquid separation, the loss of absorbent solution is favorably reduced, the tail gas can be gathered through the gas-liquid separation assembly, the separated liquid can flow back into the absorbent solution to reduce the loss of the absorbent solution, the tail gas can be pretreated through the airflow plastic pipe, a part of liquid is separated in advance to contribute to increasing the effect of gas-liquid separation, a cooperation effect is generated through the cooperation of the gas-liquid separation assembly, the airflow plastic pipe and the liquid trapping assembly, the effect of gas-liquid separation is further increased, the effect of gas-liquid separation is better, the loss of the absorbent solution is less, and small bubbles are intercepted through the bubble trapping structure, make the bubble dwell time longer in absorbent solution, help increasing absorption effect and purifying effect, can stir the waste gas in the bubble that the structure was held back to the bubble through the disturbance subassembly, the waste gas that makes this bubble middle part can move gas-liquid looks interface department and participate in the absorption reaction, help further increasing absorption effect and purifying effect, through the gassing structure, make the structure is held back to the bubble can discharge the gas in its institute's the bubble of holding back with the form of microbubble, increase the area of waste gas and absorbent solution contact, help increasing absorption effect and purifying effect once more, the practicality of this device of absorbing VOCs has been improved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the exhaust gas absorbing assembly of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the internal structure of the liquid trap assembly of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the internal structure of the gas-liquid separation module of FIG. 2 according to the present invention;
FIG. 5 is a schematic view showing the internal structure of the bubble trapping structure of FIG. 2 according to the present invention;
FIG. 6 is a schematic diagram of the internal structure of the disturbing assembly of FIG. 5 according to the present invention;
FIG. 7 is a schematic view showing the internal structure of the air bleeding structure of FIG. 6 according to the present invention;
fig. 8 is a schematic view showing the internal structure of the driven rod of fig. 6 according to the present invention.
The reference numbers in the figures illustrate:
1. a fixed base; 2. an exhaust gas absorption assembly; 21. an absorption tower body; 22. a purified gas outlet pipe; 23. an absorption liquid discharge pipe; 24. an absorption liquid inlet pipe; 25. a gas distributor; 26. an exhaust gas inlet pipe; 27. a conical shield tube; 28. an absorbent solution; 3. a liquid trap assembly; 31. trapping the fixed support rod; 32. a ball panel; 33. a straight-through pipe; 34. a bearing baffle plate; 4. a gas-liquid separation assembly; 41. enlarging the tube; 42. an isolation pipe; 43. a gas collection cone cover; 44. a bearing hole; 45. a frustum-shaped shell; 46. inserting holes; 47. a restraint tube; 48. a return orifice; 5. an air flow plastic tube; 6. a bubble entrapment structure; 61. a spherical interception plate; 62. inclining the support rod; 63. a fixed collar; 64. fixing the cross bar; 65. a spherical cavity; 66. a gas distribution one-way valve; 7. a perturbation component; 701. positioning a fixed column; 702. a drive rod; 703. a drive block; 704. a drive flight; 705. a wind blade; 706. a rotating chamber; 707. a ferromagnetic rotating bar; 708. a driven lever; 7081. a rotating rod body; 7082. fixing the through hole; 7083. an accommodation hole; 7084. a tapered hole; 709. a driven block; 710. a spoiler set square; 711. a wave breaking knife; 712. fixing the disc cavity; 713. a strong magnetic block; 714. t-shaped threading holes; 8. a gas release structure; 800. a power storage spring; 801. fixing the disc; 802. a mounting cavity; 803. rotating the sleeve; 804. a reel; 805. a pulling wire; 806. a conical floating block; 807. a cylindrical floating block; 808. sealing the cavity; 809. triangular pits; 810. a triangular plug; 811. a threaded rod; 812. a gas delivery pipe; 813. and (4) a transfer pipe.
Detailed Description
The drawings in the embodiments of the invention will be incorporated below; 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. 1-8, an apparatus for absorbing VOCs includes a stationary base 1, and an exhaust gas absorbing assembly 2 is fixedly mounted on a top surface of the stationary base 1.
The waste gas absorption assembly 2 comprises an absorption tower body 21, the bottom end of the absorption tower body 21 is fixedly inserted on the top surface of a fixed base 1, the top end of the absorption tower body 21 is fixedly communicated with a purified gas outlet pipe 22, the left side surface of the absorption tower body 21 is fixedly communicated with an absorption liquid discharge pipe 23 positioned on the top part of the absorption tower body, the left side surface of the absorption tower body 21 is fixedly communicated with an absorption liquid inlet pipe 24 positioned on the bottom part of the absorption tower body, the left end of the absorption liquid inlet pipe 24 extends into the fixed base 1 and extends out from the left side surface of the fixed base, the inner wall of the absorption tower body 21 is fixedly connected with a gas distributor 25 positioned on the bottom part of the absorption tower body, the gas distributor 25 is positioned below the absorption liquid inlet pipe 24, the right side surface of the gas distributor 25 is fixedly communicated with a waste gas inlet pipe 26, the right end of the waste gas inlet pipe 26 extends into the fixed base 1 and extends out from the right side surface of the fixed base, the inner wall of the absorption tower body 21 is fixedly connected with four conical shielding pipes 27, the four conical shielding pipes 27 are distributed between the absorption liquid discharge pipe 23 and the absorption liquid inlet pipe 24, the absorption tower body 21 is filled with an absorbent solution 28, the liquid level at the top end of the absorbent solution 28 is higher than the absorption liquid discharge pipe 23, and the absorption liquid inlet pipe 24, the gas distributor 25 and the conical shielding pipes 27 are soaked in the absorbent solution 28.
The device is characterized by further comprising a liquid capturing component 3, wherein the liquid capturing component 3 comprises a capturing fixed support rod 31, the top end of the capturing fixed support rod 31 is fixedly connected to the top surface of the inner cavity of the absorption tower body 21, the bottom end of the capturing fixed support rod 31 is fixedly connected with a spherical surface plate 32, the spherical surface plate 32 is located right below the purified gas outlet pipe 22, the bottom end of the spherical surface plate 32 is fixedly communicated with a through pipe 33, the inner wall of the through pipe 33 is fixedly connected with a collision bearing baffle 34, and the top end of the collision bearing baffle 34 is fixedly connected to the top surface of the inner cavity of the spherical surface plate 32.
The gas-liquid separation device further comprises a gas-liquid separation component 4, the gas-liquid separation component 4 comprises an expansion pipe 41, the top end of the expansion pipe 41 is fixedly connected to the inner wall of the absorption tower body 21 and is positioned above the absorption liquid discharge pipe 23, the expansion pipe 41 is positioned right below the straight-through pipe 33, the bottom end of the expansion pipe 41 is fixedly communicated with a separation pipe 42, the bottom end of the separation pipe 42 is fixedly connected with a gas collection conical cover 43, the liquid level of an absorbent solution 28 is positioned in an interlayer between the surface of the separation pipe 42 and the inner wall of the absorption tower body 21, the top end of the gas collection conical cover 43 extends into the separation pipe 42, a bearing hole 44 is formed in the gas collection conical cover 43, a frustum-shaped shell 45 positioned at the top of the separation pipe 42 is fixedly connected to the inner wall of the separation pipe 42, an inserting hole 46 is formed in the top surface of the frustum-shaped shell 45, a restraint pipe 47 is fixedly connected to the top surface of the frustum-shaped shell 45, and the restraint pipe 47 is positioned right below the straight-through pipe 33, the surface of the isolation tube 42 is provided with a backflow hole 48 positioned above the frustum-shaped shell 45.
Still include airflow plasticity pipe 5, the bottom mounting grafting of airflow plasticity pipe 5 is in the inside of accepting hole 44 and with the fixed intercommunication of gas collection awl cover 43, the top mounting grafting of airflow plasticity pipe 5 is in the inside of spliced eye 46, the spliced eye 46 is run through on the top of airflow plasticity pipe 5, airflow plasticity pipe 5 is the heliciform, the spiral radius from the bottom up on the airflow plasticity pipe 5 reduces gradually, the opening at airflow plasticity pipe 5 bottom is greater than the opening on its top, the inside passageway from the bottom up of airflow plasticity pipe 5 reduces gradually.
The gas distribution tower further comprises a gas bubble intercepting structure 6, the gas bubble intercepting structure 6 comprises spherical intercepting plates 61, the spherical intercepting plates 61 are located inside the absorption tower body 21 and located between two adjacent conical intercepting pipes 27, the number of the spherical intercepting plates 61 is multiple, the spherical intercepting plates 61 are arranged in the absorption tower body 21 in multiple rows and multiple columns, one spherical intercepting plate 61 is located on a middle line between two adjacent spherical intercepting plates 61 below the spherical intercepting plate 61, inclined supporting rods 62 are fixedly connected to the bottom surfaces of the spherical intercepting plates 61, fixed lantern rings 63 are fixedly connected to the bottom ends of the inclined supporting rods 62, fixed cross rods 64 are fixedly inserted into the inner portions of the fixed lantern rings 63, the end portions of the fixed cross rods 64 are fixedly connected to the inner wall of the absorption tower body 21, spherical cavities 65 are formed in the spherical intercepting plates 61, gas distribution check valves 66 are fixedly communicated with the top surfaces of the spherical intercepting plates 61, and the gas distribution check valves 66 are fixedly communicated with the spherical cavities 65.
The device also comprises a disturbance assembly 7, the disturbance assembly 7 comprises a positioning fixing column 701, the positioning fixing column 701 is fixedly inserted on the spherical interception plate 61 and is positioned in the middle of the spherical interception plate, a driving rod 702 is movably inserted on the top surface of the positioning fixing column 701, a driving block 703 is fixedly connected at the top end of the driving rod 702, a driving wing bar 704 is fixedly connected on the side surface of the driving block 703, a wind blade 705 is fixedly connected at the other end of the driving wing bar 704, the wind blade 705 is positioned on the outer side of the spherical interception plate 61, a rotating cavity 706 positioned below the driving rod 702 is arranged inside the positioning fixing column 701, a strong magnetic rotating bar 707 is slidably inserted inside the rotating cavity 706, the bottom end of the driving rod 702 is fixedly connected on the top surface of the strong magnetic rotating bar 707, a driven rod 708 is movably inserted on the bottom surface of the positioning fixing column 701, a driven block 709 positioned at the bottom end of the driven rod 708 is fixedly sleeved outside the driven rod, a disturbance triangular plate 710 is fixedly connected on the side surface of the driven block 709, a wave breaking knife 711 is fixedly connected to the bottom surface of the turbulence triangular plate 710, a fixed disk cavity 712 located at the top of the driven rod 708 is formed in the positioning fixing column 701, the top end of the driven rod 708 extends into the fixed disk cavity 712, strong magnets 713 are fixedly connected to the left side surface and the right side surface of the driven rod 708, the strong magnets 713 are slidably connected with the inner wall of the fixed disk cavity 712, the strong magnets 713 are matched with the strong magnetic rotating strips 707, and a T-shaped threading hole 714 located between the rotating cavity 706 and the fixed disk cavity 712 is formed in the positioning fixing column 701.
The air release structure 8 further comprises an air release structure 8, the air release structure 8 comprises a fixed disc 801, the fixed disc 801 is fixedly sleeved outside the positioning fixed column 701 and located inside the spherical cavity 65, an installation cavity 802 located at the top of the fixed disc 801 is formed inside the fixed disc 801, a rotary sleeve 803 is movably sleeved on the top surface of the inner cavity of the installation cavity 802, a reel 804 is fixedly sleeved outside the rotary sleeve 803, a pulling wire 805 is wound outside the reel 804, the other end of the pulling wire 805 penetrates through a T-shaped threading hole 714, a fixed through hole 7082 and a conical hole 7084 and extends into the accommodation hole 7083, a conical floating block 806 is fixedly connected to the outer surface of the rotary sleeve 803, a cylindrical floating block 807 is fixedly connected to the bottom end of the conical floating block 806, the cylindrical floating block 807 is movably inserted into the accommodation hole 7083, the conical floating block 806 is matched with the conical hole 7084, a power accumulating spring 800 is movably sleeved outside the rotary sleeve 803, one end of the power accumulating spring 800 is fixedly connected to the surface of the rotary sleeve 803, the other end of the power accumulating spring 800 is fixedly connected to the left side face of the inner cavity of the installation cavity 802, a sealing cavity 808 located below the installation cavity 802 is formed in the fixed disc 801, the bottom end of the rotating sleeve 803 extends into the sealing cavity 808, a triangular pit 809 is formed in the bottom face of the inner cavity of the sealing cavity 808, a triangular plug 810 is movably inserted in the triangular pit 809, a threaded rod 811 is fixedly connected to the top face of the triangular plug 810, the top end of the threaded rod 811 is inserted in the rotating sleeve 803 in a threaded manner, an air conveying pipe 812 fixedly communicated with the triangular pit 809 is fixedly inserted in the outer side face of the fixed disc 801, the air conveying pipe 812 is fixedly communicated with the spherical cavity 65, an adapter pipe 813 fixedly communicated with the triangular pit 809 is inserted in the bottom face of the fixed disc 801 in a threaded manner, and the bottom end of the adapter pipe 813 is fixedly inserted in the bottom face of the spherical baffle 61 and is open.
The working principle is as follows:
firstly, the absorbent solution 28 enters the absorption tower body 21 from the absorbent liquid inlet pipe 24, then the liquid level of the absorbent solution 28 inside the absorption tower body 21 gradually rises, then the end of the absorbent liquid outlet pipe 23 is immersed in the absorbent solution 28, then the absorbent solution 28 is discharged from the absorbent liquid outlet pipe 23, then the absorbent solution 28 enters the absorption tower body 21 from the absorbent liquid inlet pipe 24 at a speed equal to the speed at which the absorbent solution is discharged from the absorbent liquid outlet pipe 23, so that the liquid level of the absorbent solution 28 is controlled to be constant, in the process, the absorbent solution 28 inside the absorption tower body 21 continuously flows from bottom to top, then the flowing absorbent solution 28 applies thrust to the wind blades 705, then the wind blades 705 rotate under the thrust by the driving fins 704 with the driving blocks 703, then the driving blocks 703 rotate with the driving rod 702, then the driving rod 702 rotates with the strong magnetic rotation strips 707, then the strong magnetic rotating bar 707 drives the driven rod 708 to rotate by the action of magnetic force between the strong magnetic block 713, then the driven rod 708 drives the driven block 709 to rotate, then the driven block 709 drives the flow disturbance triangular plate 710 to rotate, then the flow disturbance triangular plate 710 drives the wave breaking knife 711 to rotate, then the waste gas enters the gas distributor 25 through the waste gas inlet pipe 26, then the gas distributor 25 discharges the waste gas into the absorbent solution 28 in the form of small bubbles under the action of air pressure, then the small bubbles float upwards under the action of buoyancy, VOCs at the gas-liquid phase interface inside the small bubbles during the ascending of the small bubbles are reacted with the absorbent solution 28 to be absorbed, then VOCs in the small bubbles are gradually reduced, then the small bubbles are intercepted by the spherical interception plate 61, an air cavity is formed at the bottom surface of the spherical interception plate 61, then the small bubbles intercepted at the bottom surface of the spherical interception plate 61 are more and more, then the intercepted small bubbles are fused with each other to form an atmosphere cavity, then the driven block 709 and the turbulence triangle plate 710 enter the atmosphere cavity and are separated from the absorbent solution 28, the top end of the wave breaking knife 711 enters the atmosphere cavity, the bottom end of the wave breaking knife 711 is inserted into the absorbent solution 28, then an absorption reaction is carried out at the gas-liquid phase interface in the atmosphere cavity to absorb the VOCs inside the atmosphere cavity, then the rotating turbulence triangle plate 710 can stir the waste gas inside the atmosphere cavity to enable the gas inside the atmosphere cavity to flow, further the VOCs inside the atmosphere cavity are close to the gas-liquid phase interface to facilitate the increase of the purification effect, then the turbulence triangle plate 710 drives the wave breaking knife 711 to rotate, the wave breaking knife 711 can carve a gully at the gas-liquid phase interface inside the atmosphere cavity to increase the area of the gas-liquid phase interface to facilitate the further increase of the purification effect, and then the small bubbles intercepted by the spherical cutting plate 61 are increased, the volume of the atmosphere cavity is gradually increased, then the length of the cylindrical floating block 807 exposed outside the absorbent solution 28 is gradually increased, so that the buoyancy force applied to the cylindrical floating block 807 is reduced, then the pulling force of the cylindrical floating block 807 on the pulling line 805 by the conical floating block 806 is gradually increased, then the pulling line 805 is released from the outside of the reel 804 and drives the reel 804 to rotate, then the reel 804 drives the rotary sleeve 803 to rotate, then the threaded rod 811 drives the triangular plug 810 to move upwards under the action of the threaded matching of the threaded rod and the rotary sleeve 803, then the air conveying pipe 812 is communicated with the adapter pipe 813 through the triangular pits 809, then the air in the atmosphere cavity enters the spherical cavity 65 through the adapter pipe 813, the triangular pits 809 and the air conveying pipe 812 under the action of air pressure, then the volume of the atmosphere cavity is reduced, the air-liquid interface moves upwards, the length of the cylindrical floating block 807 immersed in the absorbent solution 28 is increased, the buoyancy force applied to the cylindrical floating block 807 is increased, then the pulling force applied to the pulling line 805 by the cylindrical floating block 807 through the tapered floating block 806 is reduced, then the rotating sleeve 803 reversely rotates under the action of the elastic force of the power storage spring 800, then the threaded rod 811 carries the triangular plug 810 to move downwards under the action of the threaded fit of the threaded rod and the rotating sleeve 803, then the triangular plug 810 plugs the triangular pit 809 so as to control the volume of the atmosphere cavity, then the air pressure inside the spherical cavity 65 is increased, then the air inside the spherical cavity 65 is discharged again in the form of small bubbles through the air distribution one-way valve 66 under the action of the air pressure, then the small bubbles discharged again are intercepted by the spherical intercepting plate 61 above, and the above steps are repeated, so that the retention time of the waste gas in the absorbent solution 28 is increased, the waste gas is discharged in the form of small bubbles for many times, and the problem that the small bubbles are fused with each other to form large bubbles to reduce the absorption efficiency in the long-distance rising process is avoided, then, bubbles emerge from the gas-liquid phase interface inside the gas collection cone 43 and form purified gas, the purified gas spirals upward along the gas flow plastic tube 5 under the action of the air pressure, the purified gas spirals upward inside the gas flow plastic tube 5 under the restriction of the structure of the gas flow plastic tube 5, the rotation speed of the purified gas spirals upward inside the gas flow plastic tube 5 is faster and faster, the centrifugal force borne by the mist in the purified gas is also larger and larger, then the mist beats on the inner wall of the gas flow plastic tube 5 and combines with each other to form liquid drops and flows downward along the inner wall of the gas flow plastic tube 5 to merge into the absorbent solution 28, then the purified gas enters the constraining tube 47 from the top end of the gas flow plastic tube 5, then the purified gas enters the spherical plate 32 in a form of revolving upward, then the purified gas beats on the inner surface of the spherical plate 32 to cause the mist to condense into liquid drops, so as to realize secondary demisting, and then the revolving purified gas also impacts the impact baffle 34, the mist is promoted to be condensed into liquid drops, the tertiary demisting is realized, the demisting effect is good, the condensed liquid drops drop on the inclined plane of the frustum-shaped shell 45 along the surfaces of the spherical panel 32, the straight-through pipe 33 and the collision bearing baffle 34 and pass through the return holes 48 to flow back into the absorbent solution 28, and then the purified gas is discharged from the purified gas outlet pipe 22.
As described above; are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; those skilled in the art can appreciate that the present invention is not limited to the specific embodiments disclosed herein; 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 (9)
1. A device for absorbing VOCs, comprising a stationary base (1), characterized in that: and an exhaust gas absorption assembly (2) is fixedly mounted on the top surface of the fixed base (1).
2. An apparatus for absorbing VOCs as claimed in claim 1, wherein: the waste gas absorption assembly (2) comprises an absorption tower body (21), the bottom end of the absorption tower body (21) is fixedly inserted on the top surface of the fixed base (1), a purified gas outlet pipe (22) is fixedly communicated on the top end of the absorption tower body (21), an absorption liquid discharge pipe (23) positioned at the top of the absorption tower body (21) is fixedly communicated on the left side surface of the absorption tower body (21), an absorption liquid inlet pipe (24) positioned at the bottom of the absorption tower body is fixedly communicated on the left side surface of the absorption tower body (21), the left end of the absorption liquid inlet pipe (24) extends into the fixed base (1) and extends out from the left side surface of the fixed base, a gas distributor (25) positioned at the bottom of the absorption tower body is fixedly connected on the inner wall of the absorption tower body (21), the gas distributor (25) is positioned below the absorption liquid inlet pipe (24), a waste gas inlet pipe (26) is fixedly communicated on the right side surface of the gas distributor (25), the right-hand member of waste gas intake pipe (26) extends to the inside of unable adjustment base (1) and extends out on its right flank, four toper of fixedly connected with shield pipe (27) on the inner wall of absorption tower body (21), four toper shield pipe (27) distribute between absorption liquid fluid-discharge tube (23) and absorption liquid fluid-discharge tube (24), the inside packing of absorption tower body (21) has absorbent solution (28), the liquid level on absorbent solution (28) top is higher than absorption liquid fluid-discharge tube (23), absorbent liquid fluid-discharge tube (24), gas distributor (25), toper shield pipe (27) soak the inside in absorbent solution (28).
3. An apparatus for absorbing VOCs as claimed in claim 2, wherein: still include liquid entrapment subassembly (3), liquid entrapment subassembly (3) are including entrapment fixed branch (31), and the top fixed connection of entrapment fixed branch (31) is on the top surface of absorption tower body (21) inner chamber, and the bottom fixedly connected with ball panel (32) of entrapment fixed branch (31), and ball panel (32) are located the purified gas outlet pipe (22) under, and the bottom mounting intercommunication of ball panel (32) has through pipe (33), and fixedly connected with bears on the inner wall of through pipe (33) and hits baffle (34), bears the top fixed connection who hits baffle (34) and hits on the top surface of ball panel (32) inner chamber.
4. A device for absorbing VOCs as claimed in claim 3, wherein: the gas-liquid separation device comprises an absorption tower body (21) and is characterized by further comprising a gas-liquid separation assembly (4), wherein the gas-liquid separation assembly (4) comprises an expansion pipe (41), the top end of the expansion pipe (41) is fixedly connected to the inner wall of the absorption tower body (21) and is positioned above an absorption liquid discharge pipe (23), the expansion pipe (41) is positioned right below the straight-through pipe (33), the bottom end of the expansion pipe (41) is fixedly communicated with a separation pipe (42), the bottom end of the separation pipe (42) is fixedly connected with a gas collection conical cover (43), the liquid level of an absorbent solution (28) is positioned in an interlayer between the surface of the separation pipe (42) and the inner wall of the absorption tower body (21), the top end of the gas collection conical cover (43) extends to the inside of the separation pipe (42), a bearing hole (44) is formed in the gas collection conical cover (43), a frustum-shaped shell (45) positioned at the top end of the separation pipe (42) is fixedly connected to the inner wall of the separation pipe, and an insertion hole (46) is formed in the top surface of the frustum-shaped shell (45), the top surface of the frustum-shaped shell (45) is fixedly connected with a restraint pipe (47), the restraint pipe (47) is positioned right below the straight-through pipe (33), and the surface of the isolation pipe (42) is provided with a backflow hole (48) positioned above the frustum-shaped shell (45).
5. An apparatus for absorbing VOCs as claimed in claim 4, wherein: still include airflow plastic pipe (5), the bottom mounting grafting of airflow plastic pipe (5) is in the inside of accepting hole (44) and with the fixed intercommunication of gas collection awl cover (43), the inside of pegging graft in spliced eye (46) is fixed on the top of airflow plastic pipe (5), spliced eye (46) are run through on the top of airflow plastic pipe (5), airflow plastic pipe (5) are the heliciform, the spiral radius from the bottom up on airflow plastic pipe (5) reduces gradually, the opening of airflow plastic pipe (5) bottom is greater than the opening on its top, the inside passageway from the bottom up of airflow plastic pipe (5) reduces gradually.
6. An apparatus for absorbing VOCs according to any one of claims 2-5, wherein: the bubble intercepting structure comprises a bubble intercepting structure (6), the bubble intercepting structure (6) comprises spherical intercepting plates (61), the spherical intercepting plates (61) are positioned in the absorption tower body (21) and between two adjacent conical intercepting pipes (27), the number of the spherical intercepting plates (61) is multiple, the spherical intercepting plates (61) are arranged in the absorption tower body (21) in multiple rows and multiple columns, one spherical intercepting plate (61) is positioned on a middle line between two adjacent spherical intercepting plates (61) below the spherical intercepting plate, inclined supporting rods (62) are fixedly connected to the bottom surfaces of the spherical intercepting plates (61), fixed lantern rings (63) are fixedly connected to the bottom ends of the inclined supporting rods (62), fixed cross rods (64) are fixedly inserted in the fixed lantern rings (63), the end portions of the fixed cross rods (64) are fixedly connected to the inner wall of the absorption tower body (21), spherical cavities (65) are formed in the spherical intercepting plates (61), the top surface of the spherical interception plate (61) is fixedly communicated with a gas distribution one-way valve (66), and the gas distribution one-way valve (66) is fixedly communicated with the spherical cavity (65).
7. An apparatus for absorbing VOCs as claimed in claim 6, wherein: the device is characterized by further comprising a disturbance assembly (7), the disturbance assembly (7) comprises a positioning fixing column (701), the positioning fixing column (701) is fixedly spliced on the spherical interception plate (61) and located in the middle of the spherical interception plate, a driving rod (702) is movably spliced on the top surface of the positioning fixing column (701), the top end of the driving rod (702) is fixedly connected with a driving block (703), the side surface of the driving block (703) is fixedly connected with a driving wing strip (704), the other end of the driving wing strip (704) is fixedly connected with a wind blade (705), the wind blade (705) is located on the outer side of the spherical interception plate (61), a rotating cavity (706) located below the driving rod (702) is formed in the positioning fixing column (701), a strong magnetic rotating strip (707) is slidably spliced in the rotating cavity (706), the bottom end of the driving rod (702) is fixedly connected on the top surface of the strong magnetic rotating strip (707), a driven rod (708) is movably spliced on the bottom surface of the positioning fixing column (701), the outside of driven lever (708) is fixed and is cup jointed driven piece (709) that is located its bottom, fixedly connected with vortex set square (710) on the side of driven piece (709), fixedly connected with on the bottom surface of vortex set square (710) breaks unrestrained sword (711), fixed disk die cavity (712) that is located driven lever (708) top is seted up to the inside of location fixed column (701), the top of driven lever (708) extends to the inside of fixed disk die cavity (712), all fixedly connected with strong magnet (713) on the left and right sides face of driven lever (708), the inner wall sliding connection of strong magnet (713) and fixed disk die cavity (712), strong magnet (713) and strong magnetic rotating strip (707) looks adaptation, T type through wires hole (714) that are located between rotating cavity (706) and fixed disk die cavity (712) are seted up to the inside of location fixed column (701).
8. An apparatus for absorbing VOCs as claimed in claim 7, wherein: driven lever (708) are including rotatory excellent main part (7081), the top activity of rotatory excellent main part (7081) is pegged graft in the inside of location fixed column (701) and fixed disk die cavity (712), strong magnet (713) fixed connection is on the side of rotatory excellent main part (7081), driven piece (709) are fixed cup joints on the bottom of rotatory excellent main part (7081), fixed perforation (7082) have been seted up to the inside of rotatory excellent main part (7081), the top of fixed perforation (7082) is the opening form and communicates with T type through wires hole (714), accommodation hole (7083) have been seted up on the bottom surface of rotatory excellent main part (7081), tapered hole (7084) have been seted up on the top surface of accommodation hole (7083) inner chamber.
9. An apparatus for absorbing VOCs as recited in claim 8, wherein: the air-release structure comprises an air-release structure (8), the air-release structure (8) comprises a fixed disc (801), the fixed disc (801) is fixedly sleeved outside a positioning fixed column (701) and is positioned inside a spherical cavity (65), an installation cavity (802) positioned at the top of the fixed disc (801) is arranged inside the fixed disc, a rotating sleeve (803) is movably sleeved on the top surface of the inner cavity of the installation cavity (802), a winding wheel (804) is fixedly sleeved outside the rotating sleeve (803), a pulling line (805) is wound outside the winding wheel (804), the other end of the pulling line (805) penetrates through a T-shaped threading hole (714), a fixed perforation (7082), a tapered hole (7084) and extends to the inside of an accommodating hole (7083) and is fixedly connected with a tapered floating block (806), the bottom end of the tapered floating block (806) is fixedly connected with a cylindrical floating block (807), and the cylindrical floating block (807) is movably inserted inside the accommodating hole (7083), the conical floating block (806) is matched with the conical hole (7084), a power storage spring (800) is movably sleeved outside the rotary sleeve (803), one end of the power storage spring (800) is fixedly connected to the surface of the rotary sleeve (803), the other end of the power storage spring (800) is fixedly connected to the left side surface of the inner cavity of the installation cavity (802), a sealing cavity (808) located below the installation cavity (802) is formed inside the fixed disc (801), the bottom end of the rotary sleeve (803) extends to the inside of the sealing cavity (808), a triangular pit (809) is formed in the bottom surface of the inner cavity of the sealing cavity (808), a triangular plug (810) is movably inserted inside the triangular plug (809), a threaded rod (811) is fixedly connected to the top surface of the triangular plug (810), the top end thread of the threaded rod (811) is inserted inside the rotary sleeve (803), a gas conveying pipe (812) fixedly communicated with the triangular plug (809) is fixedly inserted to the outer side surface of the fixed disc (801), the air delivery pipe (812) is fixedly communicated with the spherical cavity (65), an adapter pipe (813) fixedly communicated with the triangular pit (809) is fixedly inserted and connected onto the bottom surface of the fixed disc (801), and the bottom end of the adapter pipe (813) is fixedly inserted and connected onto the bottom surface of the spherical interception plate (61) and is in an open shape.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210198802.2A CN114669180A (en) | 2022-03-02 | 2022-03-02 | Device for absorbing VOCs |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210198802.2A CN114669180A (en) | 2022-03-02 | 2022-03-02 | Device for absorbing VOCs |
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Application publication date: 20220628 |
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