CN117427454B - Chemical VOCs waste gas condensation treatment equipment - Google Patents
Chemical VOCs waste gas condensation treatment equipment Download PDFInfo
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- CN117427454B CN117427454B CN202311752936.5A CN202311752936A CN117427454B CN 117427454 B CN117427454 B CN 117427454B CN 202311752936 A CN202311752936 A CN 202311752936A CN 117427454 B CN117427454 B CN 117427454B
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 27
- 238000009833 condensation Methods 0.000 title claims abstract description 23
- 230000005494 condensation Effects 0.000 title claims abstract description 23
- 239000002912 waste gas Substances 0.000 title claims abstract description 20
- 239000000126 substance Substances 0.000 title claims abstract description 16
- 239000002904 solvent Substances 0.000 claims abstract description 97
- 230000005540 biological transmission Effects 0.000 claims abstract description 79
- 239000007789 gas Substances 0.000 claims abstract description 66
- 239000003507 refrigerant Substances 0.000 claims abstract description 61
- 238000001816 cooling Methods 0.000 claims abstract description 52
- 238000002156 mixing Methods 0.000 claims abstract description 26
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 65
- 230000009471 action Effects 0.000 claims description 11
- 230000010354 integration Effects 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 6
- 238000009792 diffusion process Methods 0.000 claims description 5
- 239000002894 chemical waste Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 14
- 239000000112 cooling gas Substances 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 241000883990 Flabellum Species 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0033—Other features
- B01D5/0051—Regulation processes; Control systems, e.g. valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
- B01D5/0081—Feeding the steam or the vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D51/00—Auxiliary pretreatment of gases or vapours to be cleaned
- B01D51/10—Conditioning the gas to be cleaned
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/02—Auxiliary systems, arrangements, or devices for feeding steam or vapour to condensers
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to the technical field of waste gas condensation treatment, in particular to chemical VOCs waste gas condensation treatment equipment, which comprises a condenser, a transmission pipeline connected to the condenser, and a cooling unit for cooling gas conveyed by the transmission pipeline, wherein the transmission pipeline is of a Z-shaped structure, the cooling unit is communicated with a horizontal section at the lower end of the transmission pipeline through the cooling pipeline, a cold quantity adjusting part is connected between the horizontal section at the lower end of the transmission pipeline and the cooling pipeline, a mixing part is arranged in the horizontal section at the lower end of the transmission pipeline and close to the vertical section of the transmission pipeline, and the mixing part is used for uniformly mixing solvent vapor and refrigerant gas. According to the invention, the introduced amount of the refrigerant gas is automatically regulated in real time according to the transmission amount of the solvent vapor, so that the condition that the solvent vapor cannot be excessively cooled or cannot be cooled to the standard requirement is avoided, and meanwhile, the refrigerant gas and the solvent vapor are uniformly mixed in a multistage mixing mode, so that the cooling effect and uniformity of the solvent vapor are improved.
Description
Technical Field
The invention relates to the technical field of waste gas condensation treatment, in particular to chemical VOCs waste gas condensation treatment equipment.
Background
VOCs are discharged in the production process of the organic solvent type coating, and the unstructured direct discharge of the VOCs into the atmosphere can cause regional atmospheric ozone pollution, PM2.5 pollution and the like. The paint is under the working condition, the reaction kettle is subjected to physical and chemical change and reaction among all substances, part of organic solvent is gasified, a large amount of VOCs are contained in gasified solvent steam, high-concentration VOCs bring great pressure to the adsorption of the activated carbon in the waste gas treatment process in a short time, and the VOCs steam with higher temperature is unfavorable for condensation, and the VOCs steam with higher temperature also can cause the reduction of the service efficiency of the activated carbon.
Aiming at the problems, the invention patent with publication number CN112023589A discloses VOCs waste gas recovery treatment equipment and treatment process thereof, the technical scheme is that a plurality of condensing tanks are arranged, VOCs waste gas spirally rises along a spiral guide plate in the condensing tanks, partial groups of the VOCs waste gas (hereinafter collectively referred to as solvent vapor) are condensed into liquid organic matters, the technical scheme is suitable for solvent vapor with lower temperature, and the condensing effect of the solvent vapor with higher temperature is still not ideal.
Therefore, the solvent vapor needs to be cooled before entering the condenser, and the conventional common cooling mode is to cool the solvent vapor by introducing refrigerant gas into a transmission pipeline of the solvent vapor, but the mode has the following problems that the introduced refrigerant gas cannot be adjusted in real time because the transmission amount of the solvent vapor is uncertain, the solvent vapor is condensed in the transmission pipeline due to the excessive refrigerant gas amount, and the condensation effect of the later stage of the solvent vapor is reduced due to the smaller refrigerant gas amount; meanwhile, the refrigerant gas and the solvent vapor cannot be uniformly mixed, and the refrigerant gas and the solvent vapor are separated in space, so that the cooling effect of the solvent vapor is poor.
Disclosure of Invention
The technical scheme is adopted to solve the technical problems, the chemical VOCs waste gas condensation treatment equipment comprises a condenser, a transmission pipeline connected to the condenser, and a cooling unit for cooling gas conveyed by the transmission pipeline, wherein the transmission pipeline is of a Z-shaped structure, solvent vapor is transmitted from a horizontal section at the lower end of the transmission pipeline to a horizontal section at the upper end of the transmission pipeline, the cooling unit is communicated with the horizontal section at the lower end of the transmission pipeline through the cooling pipeline, the condenser is connected with a recovery tank for recovering condensed solvent vapor through a condensation pipe, a cold quantity adjusting part is connected between the horizontal section at the lower end of the transmission pipeline and the cooling pipeline, and a mixing part is arranged at a position which is close to the vertical section in the horizontal section at the lower end of the transmission pipeline and is used for uniformly mixing the solvent vapor and refrigerant gas.
The cold quantity adjusting piece includes that the top articulates the baffle in transmission pipeline lower extreme horizontal segment, connects the regulating plate in the cooling pipeline, and the articulated position of baffle is provided with the torsional spring, has seted up the circulation groove on the regulating plate, installs multistage expansion plate in the circulation groove, is connected with through articulated mode between baffle and multistage expansion plate's the flexible end and stirs the post, and the baffle is rotated by the promotion of solvent steam, and the baffle is through stirring the flexible end of post drive multistage expansion plate and shrink for the refrigerant gas increases through the volume of circulation groove.
The mixing piece is including connecting the aviation baffle and the wind-guiding branch of transmission pipeline lateral wall, the wind-guiding branch is close to the vertical section arrangement of transmission pipeline, be provided with the stirring fan between aviation baffle and the wind-guiding branch, the flabellum of stirring fan is the slope form, the pivot at stirring fan middle part and the one end that is close to the aviation baffle are passed through transverse connection board and are connected at transmission pipeline's lateral wall, the flabellum of stirring fan is close to the side-mounting of wind-guiding branch and is stirred the pole, the flabellum can rotate under the flow effect of solvent vapor for the stirring fan of slope form.
Preferably, the circulation grooves are multiple, the circulation grooves are uniformly distributed along the conveying direction of the solvent vapor, and the telescopic ends of the multistage telescopic plates arranged in the circulation grooves are connected through the U-shaped connecting frame.
Preferably, the cooling pipeline is obliquely arranged at the upper end of the transmission pipeline, and the cooling pipeline is obliquely arranged in the opposite direction of the solvent vapor transmission direction, and the inclined baffle plate is arranged on the upper side wall of the transmission pipeline and positioned between the baffle plate and the regulating plate.
Preferably, the inclination of the inclined baffle plate corresponds to the inclination of the cooling pipeline, and the side surface of the inclined baffle plate corresponding to the cooling pipeline is provided with a plurality of wind guide bulges, and the wind guide bulges are arranged on the inclined baffle plate at different angles.
Preferably, the air collecting plate is of an arc-shaped structure inclined to one side of the stirring fan, a flaring block inclined to the side wall of the transmission pipeline is arranged on one side, close to the stirring fan, of the air collecting plate, and a spiral guide plate is arranged on the side, far away from the stirring fan, of the air collecting plate.
Preferably, the direction of the spiral guide plate for guiding the steam in the container is opposite to the rotation direction of the stirring fan, and a spiral integration protrusion is arranged at the lower end of the vertical section of the transmission pipeline.
Preferably, a conical diffusion table is arranged at the middle part of the transverse connecting plate and at one side close to the wind collecting plate, stirring grooves are formed in two ends of the transverse connecting plate, and stirring fans are rotatably connected in each stirring groove.
Preferably, the wind-guiding branched chain is including installing the collar on transmission pipeline inner wall, and vertical even rotation is connected with a plurality of turnover shafts in the collar, and the follow-up bull stick is installed to the upper end of the turnover shaft at middle part, and the follow-up bull stick drives the turnover shaft and rotates under the stirring effect of poking rod, all symmetry is provided with two aviation baffles in every turnover shaft, and the middle part of every turnover shaft all is provided with the teeth of a cogwheel, aviation baffle and the epaxial teeth of a cogwheel interval arrangement of turnover, the meshing is provided with a linkage rack between the epaxial teeth of a cogwheel of all turnover.
Preferably, the side wall symmetry of transmission pipeline is provided with a sliding cylinder, and the both ends of linkage rack are all sliding connection in a sliding cylinder, and one of them one end of linkage rack is connected at a sliding cylinder inner wall through return spring.
Preferably, the air deflectors on each turning rotating shaft are obliquely arranged and have the same inclination angle, and the inclination angle of the follow-up rotating rod is larger than that of the air deflector.
The invention has the beneficial effects that: 1. according to the invention, the introduced amount of the refrigerant gas is automatically regulated in real time according to the transmission amount of the solvent vapor, so that the condition that the solvent vapor cannot be excessively cooled or cannot be cooled to the standard requirement is avoided, and meanwhile, the refrigerant gas and the solvent vapor are uniformly mixed in a multistage mixing mode, so that the cooling effect and uniformity of the solvent vapor are improved.
2. According to the invention, the cold quantity adjusting piece can automatically adjust the inflow quantity of the refrigerant gas according to the quantity of the solvent vapor, so that the solvent vapor is cooled to a proper degree, when the air pressure of the solvent vapor is high, the baffle plate is pushed to move rightwards, the baffle plate drives the telescopic ends of the multistage telescopic plates to shrink through the toggle columns, the quantity of the refrigerant gas passing through the circulation groove is increased, and meanwhile, when the air pressure of the solvent vapor is low, the quantity of the refrigerant gas passing through the circulation groove is reduced.
3. The cooling pipeline is inclined to one side corresponding to the solvent vapor transmission direction, so that the inclined arrangement of the cooling pipeline can prevent the solvent vapor from affecting the introduction of the refrigerant gas, and can enable the refrigerant gas and the solvent vapor to be primarily mixed; the mixing piece can carry out secondary mixing on the refrigerant gas and the solvent vapor in a gathering and stirring mode and in a diversion mode in different directions, so that the mixing uniformity of the refrigerant gas and the solvent vapor is improved, and the cooling of the solvent vapor is facilitated; the spiral integration protrusion arranged at the lower end of the vertical section of the transmission pipeline enables the refrigerant gas and the solvent vapor to be further mixed and intersected, and the cooling effect of the solvent vapor is improved.
4. The side surface of the inclined baffle plate corresponding to the cooling pipeline is provided with the air guide protrusions, the air guide protrusions are arranged on the inclined baffle plate at different angles, the air guide protrusions can guide the refrigerant gas transmitted to the transmission pipeline at different angles, and the primary mixing effect of the refrigerant gas and the solvent vapor is improved.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the connection of the present invention.
Fig. 2 is a plan sectional view of the present invention between a transfer pipe, a cooling capacity adjusting member and a mixing member.
Fig. 3 is an enlarged view of a portion at a in fig. 2.
Fig. 4 is a schematic structural view of the multi-stage expansion plate of the present invention.
FIG. 5 is a schematic semi-sectional view of the inventive mixing element after removal of the air guiding branches and the transfer duct.
FIG. 6 is a schematic side plan view of the present invention between the air guide branch, the sliding cylinder and the transfer duct.
FIG. 7 is a top plan view of an air deflection branch of the present invention.
In the figure: 1. a condenser; 11. a condensing tube; 12. a recovery tank; 2. a transmission pipeline; 21. spiral integration protrusions; 22. a sliding cylinder; 3. a cooling pipeline; 4. a cold quantity adjusting member; 5. a mixing element; 41. a baffle; 42. an adjusting plate; 43. a flow channel; 44. a multi-stage expansion plate; 45. stirring the column; 46. a U-shaped connecting frame; 47. an inclined resistance plate; 48. an air guide protrusion; 51. a wind collecting plate; 511. a flare block; 512. a spiral deflector; 52. an air guide branched chain; 521. a mounting ring; 522. turning the rotating shaft; 523. a follower rotating rod; 524. an air deflector; 525. a linkage rack; 526. a return spring; 53. stirring a fan; 54. a transverse connection plate; 541. a conical diffusion stage; 542. an agitation tank; 543. an agitating fan; 55. a toggle rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, a chemical waste gas condensation treatment device comprises a condenser 1, a transmission pipeline 2 connected to the condenser 1, a cooling unit for cooling the gas transmitted by the transmission pipeline 2, wherein the transmission pipeline 2 is of a Z-shaped structure, solvent vapor is transmitted from a horizontal section at the lower end of the transmission pipeline 2 to a horizontal section at the upper end of the transmission pipeline 2, the cooling unit is communicated with the horizontal section at the lower end of the transmission pipeline 2 through a cooling pipeline 3, the condenser 1 is connected with a recovery tank 12 for recovering condensed solvent vapor through a condensation pipe 11, a cold amount adjusting part 4 is connected between the horizontal section at the lower end of the transmission pipeline 2 and the cooling pipeline 3, a mixing part 5 is arranged in the horizontal section at the lower end of the transmission pipeline 2 and close to the vertical section of the transmission pipeline, the mixing part 5 is used for uniformly mixing the solvent vapor and refrigerant gas, the invention is used for rapidly cooling the solvent vapor at high temperature, the condensing effect of the solvent vapor is further improved, the amount of VOCs contained in the solvent vapor is reduced, the temperature of exhaust gas discharged from an exhaust port is reduced, and the discharge amount of the VOCs exhaust gas is greatly reduced, specifically, after the coating in an evaporation reaction kettle is finished, the solvent in the kettle is enabled to form the solvent vapor and is transmitted into a transmission pipeline 2 in a vacuum negative pressure mode, a cooling unit is started at the moment, refrigerant gas generated by a cooling component is transmitted into the transmission pipeline 2 through the cooling pipeline 3, the solvent vapor is cooled, the cooled solvent vapor is condensed when passing through a condenser 1, the condensed solvent vapor flows into a recovery tank 12 through a condenser pipe 11, the exhaust gas after condensation is transmitted into an external discharge device, active carbon in the discharge device can adsorb the residual VOCs in the exhaust gas, and the amount of the VOCs discharged into the atmosphere is reduced, according to the invention, the cold quantity adjusting part 4 can automatically adjust the quantity of the refrigerant gas transmitted into the transmission pipeline 2 according to the quantity of the solvent vapor, so that the condition that the solvent vapor is excessively cooled or is not cooled thoroughly is prevented, and the mixing part 5 can fully mix the refrigerant gas and the solvent vapor, so that the solvent vapor is cooled thoroughly, and the uneven cooling of the solvent vapor is prevented.
It should be noted that, the lower end of the vertical section of the transmission pipeline 2 is provided with a spiral integration protrusion 21, so that when the refrigerant gas and the solvent vapor are transmitted to the position of the vertical section of the transmission pipeline 2, the refrigerant gas and the solvent vapor are further mixed and intersected under the action of the spiral integration protrusion 21, and the cooling effect of the solvent vapor is increased.
Referring to fig. 2, the cooling pipe 3 is obliquely arranged at the upper end of the transmission pipe 2, and the cooling pipe 3 is obliquely arranged in the opposite direction of the solvent vapor transmission direction, so that the cooling pipe 3 is obliquely arranged to prevent the solvent vapor from affecting the introduction of the refrigerant gas on one hand, and to enable the refrigerant gas and the solvent vapor to be primarily mixed on the other hand.
Referring to fig. 2-4, the cold quantity adjusting member 4 includes a baffle 41 with a top hinged in a horizontal section of the lower end of the transmission pipeline 2, and an adjusting plate 42 connected in the cooling pipeline 3, a torsion spring is arranged at the hinged position of the baffle 41, a circulation groove 43 is formed in the adjusting plate 42, a multi-stage expansion plate 44 is installed in the circulation groove 43, a stirring column 45 is connected between the baffle 41 and the expansion end of the multi-stage expansion plate 44 in a hinged manner, the baffle 41 is driven by solvent vapor to rotate, the baffle 41 drives the expansion end of the multi-stage expansion plate 44 to shrink through the stirring column 45, so that the quantity of refrigerant gas passing through the circulation groove 43 is increased, the cold quantity adjusting member 4 can automatically adjust the inflow quantity of the refrigerant gas according to the quantity of the solvent vapor, so that the solvent vapor is cooled to a proper degree, and particularly, when the air pressure of the solvent vapor is large, the baffle 41 drives the expansion end of the multi-stage expansion plate 44 to shrink through the circulation groove 43, and when the air pressure of the solvent vapor is small, the baffle 41 automatically rotates left under the driving of the torsion spring, the expansion end of the baffle 41 is driven by the torsion spring to stretch the expansion plate 43.
Referring to fig. 2-3, in order to increase the uniformity of the refrigerant gas transferred into the transfer pipeline 2, the plurality of circulation grooves 43 are uniformly distributed along the transfer direction of the solvent vapor, the telescopic ends of the multi-stage telescopic plates 44 arranged in the plurality of circulation grooves 43 are all connected through the U-shaped connecting frame 46, the telescopic end of one multi-stage telescopic plate 44 is hinged with the toggle post 45, and the plurality of circulation grooves 43 can uniformly transfer the refrigerant gas into the transfer pipeline 2.
Referring to fig. 2, since the excessive rotation of the baffle 41 can reduce the delivery amount of the refrigerant gas, in this embodiment, the inclined baffle 47 is installed on the upper sidewall of the conveying pipe 2 and located between the baffle 41 and the adjusting plate 42, the inclined angle of the inclined baffle 47 corresponds to the inclined angle of the cooling pipe 3, and the position of the baffle 41 can be limited by the inclined baffle 47, so as to prevent the excessive rotation of the baffle 41 to reduce the delivery amount of the refrigerant gas; the side that the inclined resistance plate 47 corresponds to the cooling pipeline 3 is provided with a plurality of wind-guiding bulges 48, the angles that the wind-guiding bulges 48 are arranged on the inclined resistance plate 47 are different, the wind-guiding bulges 48 can guide the refrigerant gas conveyed to the transmission pipeline 2 at different angles, and the effect of preliminary mixing of the refrigerant gas and solvent vapor is improved.
Referring to fig. 2, the mixing element 5 includes an air collecting plate 51 and an air guiding branched chain 52 connected to the side wall of the transmission pipeline 2, the air guiding branched chain 52 is arranged near the vertical section of the transmission pipeline 2, a stirring fan 53 is disposed between the air collecting plate 51 and the air guiding branched chain 52, the blades of the stirring fan 53 are inclined, the rotating shaft in the middle of the stirring fan 53 and one end, close to the air collecting plate 51, are connected to the side wall of the transmission pipeline 2 through a transverse connection plate 54, the stirring rod 55 is mounted on the side surface, close to the air guiding branched chain 52, of the blades of the stirring fan 53, the inclined stirring fan 53 can rotate under the flowing action of the solvent vapor, the mixing element 5 can mix the refrigerant gas and the solvent vapor secondarily in a mode of gathering and stirring and guiding different directions, the mixing uniformity of the refrigerant gas and the solvent vapor is increased, the cooling of the solvent vapor is facilitated, the air collecting plate 51 can gather the refrigerant gas and the solvent vapor, the pressure of the mixture of the refrigerant gas and the solvent vapor is increased, the blades are inclined stirring fan 53 can rotate under the flowing action of the solvent vapor, the refrigerant vapor is enabled to be uniformly stirred by the stirring rod 55, and the refrigerant vapor can be mixed with the refrigerant vapor under the flowing action of the guiding branched chain, and the refrigerant vapor can be increased.
Referring to fig. 5, the air collecting plate 51 is of an arc structure inclined to one side of the stirring fan 53, one side of the air collecting plate 51, which is close to the stirring fan 53, is provided with a flaring block 511 inclined to the side wall of the transmission pipeline 2, and the side, away from the stirring fan 53, of the air collecting plate 51 is provided with a spiral guide plate 512, the spiral guide plate 512 enables the flow guiding direction of container steam to be opposite to the rotating direction of the stirring fan 53, the arc structure of the air collecting plate 51 can increase the gathering effect of the air collecting plate on the refrigerant gas and the solvent steam, the flaring block 511 can enable the gathered refrigerant gas and the solvent steam to be dispersed rapidly, so that mutual fusion of the refrigerant gas and the solvent steam is facilitated, the spiral guide plate 512 can enable the refrigerant gas and the solvent steam passing through the flaring block to rotate in one direction, and then the refrigerant gas and the solvent steam can rotate in the other direction under the action of the stirring fan 53, and therefore the front and back spiral rotation of the refrigerant gas and the solvent steam can be further increased.
With continued reference to fig. 5, a conical diffusion platform 541 is disposed in the middle of the transverse connection plate 54 and near one side of the air collecting plate 51, stirring grooves 542 are formed at two ends of the transverse connection plate 54, stirring fans 543 are rotatably connected in each stirring groove 542, the conical diffusion platform 541 can guide the refrigerant gas and the solvent vapor blown on the conical side surface of the stirring fans, and meanwhile the stirring fans 543 can stir and mix the refrigerant gas and the solvent vapor in the middle.
Referring to fig. 2, 6 and 7, the air guide branched chain 52 comprises a mounting ring 521 mounted on the inner wall of the transmission pipeline 2, a plurality of turning shafts 522 are vertically and uniformly connected in the mounting ring 521, a follow-up rotating rod 523 is mounted at the upper end of the turning shaft 522 in the middle, the follow-up rotating rod 523 drives the turning shafts 522 to rotate under the stirring action of a stirring rod 55, two air guide plates 524 are symmetrically arranged on each turning shaft 522, gear teeth are arranged in the middle of each turning shaft 522, the air guide plates 524 are arranged at intervals with the gear teeth on the turning shafts 522, a linkage rack 525 is meshed between the gear teeth on all the turning shafts 522, the air guide branched chain 52 is used for conducting air guide actions of different angles on refrigerant gas and solvent vapor, so that the mixed gas is transmitted at different conduction angles, the temperature of the mixed gas is more facilitated, and particularly, when the fan blades of the stirring fan 53 rotate to the position of the follow-up rotating rod 522, the stirring rod 55 can stir the turning shafts 523, the middle turning shafts 522 rotate, and the air guide racks 522 synchronously with the air guide racks 522 on the turning shafts 522 under the action of the racks 522.
Referring to fig. 6 and 7, the side wall of the transmission pipeline 2 is symmetrically provided with a sliding cylinder 22, both ends of a linkage rack 525 are slidably connected in the sliding cylinder 22, and one end of the linkage rack 525 is connected to the inner wall of the sliding cylinder 22 through a return spring 526; the sliding cylinder 22 is used for limiting the linkage rack 525, and when the toggle rod 55 is separated from the follow-up rotating rod 523, the linkage rack 525 drives the turning rotating shaft 522 to rotate to an initial position under the action of the return spring 526. It should be noted that, the air deflectors 524 on each turning shaft 522 are obliquely arranged and have the same inclination angle, the inclination angle of the follow-up rotating rod 523 is greater than that of the air deflectors 524, the setting makes the stirring angle of the stirring rod 55 stirring the follow-up rotating rod 523 greater than/equal to ninety degrees, and the air deflectors 524 guide the refrigerant gas and the solvent vapor in one direction in the initial state, and can guide the refrigerant gas and the solvent vapor in the other direction when the air deflectors 524 rotate to the limit positions, so that the mixing effect of the refrigerant gas and the solvent vapor is increased.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides a chemical industry VOCs waste gas condensation treatment facility, including condenser (1), connect transmission pipeline (2) on condenser (1), carry out the cooling unit of cooling to the gaseous that transmission pipeline (2) carried, transmission pipeline (2) are Z type structure, solvent vapor transmission is transmitted to its upper end horizontal segment from the horizontal segment of transmission pipeline (2) lower extreme, cooling unit is linked together with transmission pipeline (2) lower extreme horizontal segment through cooling pipeline (3), condenser (1) are connected with recovery tank (12) that retrieves the solvent of condensation through condenser pipe (11), characterized in that, be connected with cold volume regulating part (4) between the horizontal segment of transmission pipeline (2) lower extreme and cooling pipeline (3), install hybrid (5) in transmission pipeline (2) lower extreme horizontal segment and be close to its vertical segment position, hybrid (5) are used for carrying out the even mixing with solvent vapor and refrigerant gas;
the cold quantity adjusting piece (4) comprises a baffle (41) with the top hinged in the horizontal section of the lower end of the transmission pipeline (2) and an adjusting plate (42) connected in the cooling pipeline (3), a torsion spring is arranged at the hinged position of the baffle (41), a circulation groove (43) is formed in the adjusting plate (42), a multi-stage expansion plate (44) is arranged in the circulation groove (43), a stirring column (45) is connected between the baffle (41) and the expansion end of the multi-stage expansion plate (44) in a hinged mode, the baffle (41) is driven to rotate by solvent steam, and the baffle (41) drives the expansion end of the multi-stage expansion plate (44) to shrink through the stirring column (45), so that the quantity of refrigerant gas passing through the circulation groove (43) is increased;
the mixing piece (5) comprises an air collecting plate (51) and an air guide branched chain (52) which are connected to the side wall of the transmission pipeline (2), the air guide branched chain (52) is arranged close to the vertical section of the transmission pipeline (2), a stirring fan (53) is arranged between the air collecting plate (51) and the air guide branched chain (52), blades of the stirring fan (53) are inclined, one end, close to the air collecting plate (51), of a rotating shaft in the middle of the stirring fan (53) is connected to the side wall of the transmission pipeline (2) through a transverse connecting plate (54), a stirring rod (55) is arranged on the side face, close to the air guide branched chain (52), of the blades of the stirring fan (53), and the stirring fan (53) in the inclined state can rotate under the flowing action of solvent steam.
2. The chemical VOCs waste gas condensation treatment equipment according to claim 1, wherein the number of the circulation grooves (43) is multiple, the circulation grooves (43) are uniformly distributed along the transmission direction of the solvent vapor, and the telescopic ends of the multistage telescopic plates (44) arranged in the circulation grooves (43) are connected through the U-shaped connecting frame (46).
3. The chemical VOCs waste gas condensation treatment equipment according to claim 1, wherein the cooling pipeline (3) is obliquely arranged at the upper end of the transmission pipeline (2), the cooling pipeline (3) is obliquely inclined towards the direction opposite to the solvent vapor transmission direction, and an oblique baffle plate (47) is arranged on the upper side wall of the transmission pipeline (2) and positioned between the baffle plate (41) and the regulating plate (42).
4. A chemical waste gas condensation treatment device according to claim 3, wherein the inclination angle of the inclined baffle plate (47) corresponds to the inclination angle of the cooling pipeline (3), a plurality of air guide protrusions (48) are arranged on the side surface of the inclined baffle plate (47) corresponding to the cooling pipeline (3), and the angles of the air guide protrusions (48) arranged on the inclined baffle plate (47) are different.
5. The chemical VOCs waste gas condensation treatment equipment according to claim 1, wherein the air collecting plate (51) is of an arc-shaped structure inclined to one side of the stirring fan (53), a flaring block (511) inclined to the side wall of the transmission pipeline (2) is arranged on one side, close to the stirring fan (53), of the air collecting plate (51), and a spiral guide plate (512) is arranged on the side, far away from the stirring fan (53), of the air collecting plate (51).
6. The chemical VOCs waste gas condensing treatment equipment according to claim 5, wherein the direction of the flow guiding of the spiral flow guiding plate (512) to the container steam is opposite to the rotation direction of the stirring fan (53), and the spiral integration protrusion (21) is arranged at the lower end of the vertical section of the transmission pipeline (2).
7. The chemical VOCs waste gas condensation treatment equipment according to claim 1, wherein a conical diffusion table (541) is arranged in the middle of the transverse connection plate (54) and on one side close to the wind collecting plate (51), stirring grooves (542) are formed in two ends of the transverse connection plate (54), and stirring fans (543) are rotatably connected in each stirring groove (542).
8. The chemical VOCs waste gas condensation treatment equipment according to claim 1, wherein the air guide branched chain (52) comprises a mounting ring (521) arranged on the inner wall of the transmission pipeline (2), a plurality of turning shafts (522) are vertically and uniformly connected in the mounting ring (521), a follow-up rotating rod (523) is arranged at the upper end of the turning shaft (522) at the middle part, the follow-up rotating rod (523) drives the turning shaft (522) to rotate under the stirring action of a stirring rod (55), two air guide plates (524) are symmetrically arranged on each turning shaft (522), gear teeth are arranged at the middle part of each turning shaft (522), the air guide plates (524) are arranged at intervals with the gear teeth on the turning shafts (522), and a linkage rack (525) is meshed between the gear teeth on all the turning shafts (522).
9. The chemical VOCs waste gas condensation treatment equipment according to claim 8, wherein sliding drums (22) are symmetrically arranged on the side walls of the transmission pipeline (2), two ends of the linkage rack (525) are both in sliding connection with the sliding drums (22), and one end of the linkage rack (525) is connected with the inner wall of the sliding drums (22) through a return spring (526).
10. The chemical VOCs waste gas condensation treatment apparatus according to claim 8, wherein the air guide plates (524) on each of the turning shafts (522) are arranged at an inclination and have the same inclination angle, and the inclination angle of the follow-up rotating rod (523) is larger than the inclination angle of the air guide plates (524).
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| CN202311752936.5A CN117427454B (en) | 2023-12-20 | 2023-12-20 | Chemical VOCs waste gas condensation treatment equipment |
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| CN202311752936.5A CN117427454B (en) | 2023-12-20 | 2023-12-20 | Chemical VOCs waste gas condensation treatment equipment |
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| CN117427454A (en) | 2024-01-23 |
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