CN112807976A - Volatile gas recovery equipment of chemical industry field environmental protection - Google Patents

Abstract

The utility model provides a volatile gas recovery equipment of chemical industry field environmental protection, include the box structure, set up in concentrated revolution mechanic in the box structure, the box structure include the box, set up in apron on the box, be equipped with the third through-hole on the apron, the volatile gas recovery equipment of chemical industry field environmental protection still including set up in last absorbent structure, the drive structure of concentrating revolution mechanic, location structure. According to the invention, through the matching of the driving structure and the positioning structure, on one hand, the driving structure can drive the concentration frame to move up and down, and on the other hand, in the process of moving up and down of the concentration frame, the rotating shaft of the positioning structure is matched with the thread of the driving frame, so that the concentration frame stably rotates, and further the organic solvent and the gas are driven to rotate and flow up and down along with the rotation, so that the fusion of the organic solvent and the gas is accelerated, the full absorption of the organic solvent on the volatile gas is facilitated, and the absorption efficiency is improved.

Description

Volatile gas recovery equipment of chemical industry field environmental protection

Technical Field

The invention relates to the technical field of environmental protection, in particular to an environment-friendly volatile gas recovery device in the chemical field.

Background

With the rapid development and scale-up of the chemical industry, the generation of volatile gases is increasing, and if the volatile gases are directly discharged, the environment is undoubtedly polluted, and the waste of resources is generated, so that the volatile gases need to be recycled. The existing recovery mode mainly absorbs volatile gas through organic solvent to reduce the emission of volatile gas, but still has many disadvantages: firstly, the contact between the organic solvent and the volatile gas is insufficient, and the absorption efficiency is low; secondly, the organic solvent can not flow sufficiently, the efficiency of absorbing volatile gas is further reduced, and the absorption effect is not ideal; thirdly, the pumped volatile gas cannot be buffered when the pressure is high, the structure is easily damaged, and even the organic solvent is splashed, so that the use is inconvenient.

Therefore, there is a need to provide a new technical solution to overcome the above-mentioned drawbacks.

Disclosure of Invention

The invention aims to provide the volatile gas recovery equipment which can effectively solve the technical problems and is environment-friendly in the chemical field.

In order to achieve the purpose of the invention, the following technical scheme is adopted:

a volatile gas recovery device in the chemical field and environmental protection comprises a box body structure and a concentrated rotating structure arranged in the box body structure, wherein the box body structure comprises a box body and an cover plate arranged on the box body, the cover plate is provided with a third through hole, the volatile gas recovery device in the chemical field and environmental protection also comprises an absorption structure, a driving structure and a positioning structure which are arranged on the concentrated rotating structure, the concentrated rotating structure comprises a concentrated frame, a second positioning frame arranged above the concentrated frame, a first positioning frame arranged at the upper end of the second positioning frame and a fixing plate arranged at the lower end of the concentrated frame, the upper surface of the concentrated frame is provided with a fifth through hole, the upper surface of the first positioning frame is aligned with the third through hole and is fixedly connected with the lower surface of the cover plate, the lower end of the first positioning frame is contained in the second positioning frame and is in sliding contact with the second positioning frame, the lower extreme of second locating frame is aimed at the fifth through-hole and with the last fixed surface of frame that concentrates connects, drive structure include the cylinder, set up in catch bar on the cylinder, set up in the link of catch bar lower extreme, set up in the bearing of link lower extreme, set up in the link on the bearing, the lower extreme of link with the last fixed surface of frame that concentrates connects, the link passes the inner circle of bearing and rather than fixed connection, location structure include the pivot, set up in the drive frame of pivot lower extreme, set up in the third of drive frame lower extreme filters the frame, the upper end of pivot with fixed plate fixed connection, the lower extreme of pivot accept in the drive frame and rather than threaded connection.

Preferably, the upper end of the third filter frame is fixedly connected with the lower surface of the driving frame, and the lower surface of the third filter frame is fixedly connected with the inner surface of the box body.

Preferably, the concentrated rotating structure further comprises a first spring arranged in the concentrated frame, a piston arranged above the first spring, an annular groove arranged on the lower surface of the concentrated frame, and a plurality of sixth through holes arranged on the inner circumferential surface of the concentrated frame, wherein the sixth through holes are communicated with the upper end of the annular groove, the lower end of the first spring is fixedly connected with the fixed plate, the upper end of the first spring is fixedly connected with the piston, and when the first spring is in an unstressed state, the piston is arranged above the sixth through holes.

Preferably, the centralized rotating structure further comprises a first filtering frame arranged below the centralized frame, and the upper surface of the first filtering frame is fixedly connected with the lower surface of the centralized frame.

Preferably, absorbent structure includes rotatory frame, set up in the second spring of rotatory frame top, concentrate rotary structure still including set up in the outside fixed block of concentrated frame, concentrated frame runs through rotatory frame's interior external surface and rather than sliding contact, the lower extreme of rotatory frame is equipped with the opening, the upper end of second spring with fixed block fixed connection, the lower extreme of second spring with rotatory frame fixed connection.

Preferably, the absorbing structure further comprises a third spring and a sealing plate which are arranged in the rotating frame, the upper surface of the rotating frame is provided with a plurality of seventh through holes which penetrate through the inner surface and the outer surface of the rotating frame, the sealing plate is contained in the rotating frame and is in sliding contact with the inner surface of the rotating frame, the upper end of the third spring is fixedly connected with the inner surface of the rotating frame, and the lower end of the third spring is fixedly connected with the sealing plate.

Preferably, the absorption structure further comprises a rotation plate disposed on the outer circumferential surface of the rotation frame, and a third filter frame disposed outside the rotation frame, the rotation frame penetrates through the upper and lower surfaces of the rotation plate and is fixedly connected with the rotation plate, the lower surface of the third filter frame is fixedly connected with the inner surface of the box body, the rotation plate is accommodated in the third filter frame and is in sliding contact with the inner surface of the third filter frame, and the rotation plate is provided with an eighth through hole penetrating through the upper and lower surfaces of the rotation plate.

Preferably, the upper end of the push rod is connected with the cylinder, the lower end of the push rod is fixedly connected with the connecting frame, the lower end of the connecting frame is fixedly connected with the outer ring of the bearing, and the push rod penetrates through the upper surface and the lower surface of the cover plate and is in sliding contact with the upper surface and the lower surface of the cover plate.

Preferably, the box structure still including set up in the outside discharge pipe of box, set up in first valve on the discharge pipe, set up in the feed liquor pipe of discharge pipe top, set up in second valve on the feed liquor pipe, be equipped with first through-hole and second through-hole on the box, the one end of discharge pipe is aimed at first through-hole and with the surface fixed connection of box, the one end of feed liquor pipe is aimed at the second through-hole and with the surface fixed connection of box.

Preferably, the box structure still including set up in the intake pipe of apron top, set up in second valve in the intake pipe, set up in the blast pipe of apron top, be equipped with the fourth through-hole on the apron, the lower extreme of intake pipe is aimed at the third through-hole and with the last fixed surface of apron is connected, the lower extreme of blast pipe is aimed at the fourth through-hole and with the last fixed surface of apron is connected.

Compared with the prior art, the invention has the following beneficial effects: according to the environment-friendly volatile gas recovery device in the chemical field, the first positioning frame and the second positioning frame which are matched with each other are arranged, so that gas can be pumped into the concentration frame on one hand, and the concentration frame can stably rotate on the other hand, and the effect of positioning the concentration frame is achieved; through the matching of the driving structure and the positioning structure, on one hand, the driving structure can drive the concentration frame to move up and down, and on the other hand, in the process of moving up and down of the concentration frame, the rotating shaft of the positioning structure is matched with the thread of the driving frame, so that the concentration frame stably rotates, and further the organic solvent and the gas are driven to rotate and flow up and down along with the rotating shaft, the fusion of the organic solvent and the gas is accelerated, the full absorption of the organic solvent on the volatile gas is facilitated, and the absorption efficiency is improved; meanwhile, the piston and the first spring are matched to play a sealing role when not in use, so that the piston is positioned above the sixth through hole, and gas is prevented from entering the annular groove and contacting liquid; the rotating frame and the sealing plate are matched to enable the sealing plate to move up and down in the rotating frame in the up-and-down rotating process, so that on one hand, the organic solvent above the rotating frame can periodically enter and exit through the seventh through hole to drive the organic solvent to fully flow, on the other hand, the gas below the rotating frame can periodically flow up and down, the exhaust of the gas can be accelerated, the gas flowing efficiency is improved, the time is saved, and the absorption is accelerated; and the rotating plate and the eighth through hole on the rotating plate can disperse the gas flowing to the lower part of the rotating plate, and the third filter frame can break up the gas flowing to the third filter frame, thereby being beneficial to the absorption of the organic solvent.

Drawings

FIG. 1 is a plan view of an environmentally friendly volatile gas recovery apparatus for chemical engineering field of the present invention;

FIG. 2 is a sectional view taken along A-A' of the chemical industry field environmental friendly volatile gas recovery apparatus of FIG. 1;

FIG. 3 is a sectional view taken along the direction B-B' of the chemical industry field environmental friendly volatile gas recycling apparatus of FIG. 2;

FIG. 4 is a partially enlarged view of the chemical industry field environmental friendly volatile gas recovery apparatus of FIG. 2;

FIG. 5 is a cross-sectional view taken along the direction C-C' of the chemical environmental friendly volatile gas recovery apparatus of FIG. 4;

FIG. 6 is a sectional view taken along the direction D-D' of the chemical industry field environmental friendly volatile gas recovery apparatus of FIG. 4.

Detailed Description

The invention relates to a volatile gas recovery device for environmental protection in the chemical field, which is clearly and completely explained by combining the attached drawings.

As shown in fig. 1 to 6, the volatile gas recycling apparatus for environmental protection in the chemical field of the present invention includes a box structure 1, a concentrated rotation structure 2 disposed in the box structure 1, an absorption structure 3 disposed outside the concentrated rotation structure 2, a driving structure 4 disposed at an upper end of the concentrated rotation structure 2, and a positioning structure 5 disposed below the concentrated rotation structure 2.

As shown in fig. 1 to 3, the box structure 1 includes a box 11, a discharge pipe 12 disposed outside the box 11, a first valve 13 disposed on the discharge pipe 12, a liquid inlet pipe 15 disposed above the discharge pipe 12, a second valve 14 disposed on the liquid inlet pipe 15, a cover plate 16 disposed at an upper end of the box 11, an air inlet pipe 17 disposed above the cover plate 16, a third valve 18 disposed on the air inlet pipe 17, and an air outlet pipe 19 disposed above the cover plate 16. The box 11 may be a cylinder, or may be a rectangular parallelepiped or other geometric bodies, in this embodiment, the box 11 is preferably a cylinder, an opening is disposed at an upper end of the box 11, a first through hole 111 and a second through hole 112 located above the first through hole 111 are disposed on a side surface of the box 11, and the first through hole 111 and the second through hole 112 penetrate through inner and outer surfaces of the box 11. One end of the discharge pipe 12 is aligned with the first through hole 111 and is fixedly connected to the outer surface of the case 11, so that the interior of the discharge pipe 12 communicates with the interior of the case 11. The first valve 13 can control the flow rate and opening and closing of the liquid in the discharge pipe 12. One end of the liquid inlet pipe 15 is aligned with the second through hole 112 and is fixedly connected with the outer surface of the box body 11, so that the inside of the liquid inlet pipe 15 is communicated with the inside of the box body 11. The second valve 14 can control the flow and the opening and closing of the liquid in the liquid inlet pipe 15. The cover plate 16 is fixed on the upper surface of the box body 11 and covers the upper end opening of the box body 11, the cover plate 16 is provided with a third through hole 161 penetrating through the upper and lower surfaces of the cover plate and a fourth through hole 162 located around the third through hole 161, one or more fourth through holes 162 may be provided, and when a plurality of fourth through holes 162 are provided, the fourth through holes 162 preferably surround the third through hole 161 at equal intervals along the circumferential direction. The lower end of the air inlet pipe 17 is aligned with the third through hole 161 and is fixedly connected with the upper surface of the cover plate 16. The third valve 18 may be used to control the flow rate and open/close of the gas in the intake pipe 17. The number of the exhaust pipes 19 is the same as that of the fourth through holes 162, and the exhaust pipes 19 correspond to the fourth through holes 162 one by one, and the lower ends of the exhaust pipes 19 are aligned to the fourth through holes 162 and fixedly connected to the upper surface of the cover plate 16, so that the interiors of the exhaust pipes 19 are communicated with the interiors of the fourth through holes 162.

The box body structure 1 can concentrate organic solvent in the box body 11, and then exhaust gas with volatile gas is pumped into the box body 11 through the air inlet pipe 17, so that the organic solvent in the box body 11 is contacted, and the effect of recovering the volatile gas is realized; the discharge pipe 12 is arranged to discharge the organic solvent absorbed by the volatile gas in the box body 11, so that the labor intensity of workers is reduced, and the operation is simple; and the exhaust pipe 19 is provided to exhaust the exhaust gas after the volatile gas is absorbed by the organic solvent, thereby preventing the gas from being concentrated in the case 11.

As shown in fig. 2 and 4 to 6, the centralized rotation structure 2 includes a first positioning frame 21, a second positioning frame 22 disposed inside a lower end of the first positioning frame 21, a centralized frame 23 disposed below the second positioning frame 22, a first spring 24 disposed in the centralized frame 23, a fixing plate 25 disposed below the first spring 24, a first filtering frame 26 disposed below the centralized frame 23, a plurality of fixing blocks 27 disposed on an outer circumferential surface of the centralized frame 23, and a piston 28 disposed in the centralized frame 23. The first positioning frame 21 is a hollow cylinder and two axial end faces of the first positioning frame are communicated, one axial end of the first positioning frame 21 is aligned to the third through hole 161 and is fixedly connected with the lower surface of the cover plate 16, and the third through hole 161 is communicated with the inside of the first positioning frame 21. The second positioning frame 22 is a hollow cylinder, two axial end faces of the second positioning frame are communicated, the lower end of the first positioning frame 21 is accommodated in the upper end of the second positioning frame 22 and is in sliding contact with the second positioning frame, and the diameter of the outer circumferential face of the first positioning frame 21 is the same as that of the inner circumferential face of the second positioning frame 22, so that the outer circumferential face of the first positioning frame 21 is tightly attached to the inner circumferential face of the second positioning frame 22, sealing between the two is realized, and gas is prevented from passing between the two. The concentration frame 23 is preferably a cylinder, the lower end of the concentration frame 23 is provided with an opening so that the longitudinal section of the concentration frame 23 is inverted concave, the concentration frame 23 is provided with a fifth through hole 231 located on the upper surface thereof, an annular groove 232 located on the lower surface thereof, and a plurality of sixth through holes 233 arranged on the inner circumferential surface of the concentration frame 23, the fifth through hole 231 penetrates through the inner and outer surfaces of the concentration frame 23, the lower end of the second positioning frame 22 is aligned with the fifth through hole 231 and is fixedly connected with the upper surface of the concentration frame 23, so that the inside of the second positioning frame 22 is communicated with the inside of the concentration frame 23 through the fifth through hole 231, the annular groove 232 is annular, the annular groove 232 is formed by axially and upwardly recessing from the lower surface of the concentration frame 23, the annular groove 232 surrounds the lower end opening of the concentration frame 23, the sixth through holes 233 are provided with a plurality of holes and are circumferentially arranged on the inner circumferential surface of the concentration frame 23, the sixth through hole 233 communicates with the top end of the annular groove 232. The fixing plate 25 is disc-shaped, a circumferential side surface of the fixing plate 25 is fixedly connected with an inner circumferential surface of the concentration frame 23, and the fixing plate 25 is fixed in the lower end opening of the concentration frame 23. One or more first springs 24 may be provided, and the lower end of the first spring 24 is fixedly connected to the fixing plate 25. The first filter frame 26 is a hollow cylinder and two axial end faces are communicated, the upper surface of the first filter frame 26 is fixedly connected with the lower surface of the concentration frame 23, the first filter frame 26 surrounds the lower end opening of the concentration frame 23, and filter holes are formed in the side wall of the first filter frame 26 so as to allow gas and liquid to pass through. One or more fixing blocks 27 may be provided, the fixing blocks 27 are circumferentially disposed on the outer circumferential surface of the central frame 23, and one end of each fixing block 27 is fixedly connected to the outer circumferential surface of the central frame 23. The piston 28 is accommodated in the centralized frame 23 and is in sliding contact with the inner surface of the centralized frame, the upper end of the first spring 24 is fixedly connected with the piston 28, so that the piston 28 is supported, and under the condition that the first spring 24 is not stressed, the piston 28 is positioned above the sixth through hole 233.

The centralized rotating structure 2 can enable the interior of the centralized frame 23 to be communicated with the air inlet pipe 17 through the first positioning frame 21 and the second positioning frame 22, so that the sucked air can conveniently enter the centralized frame 23; the relative sliding arrangement of the first positioning frame 21 and the second positioning frame 22 can make the second positioning frame 22 and the concentration frame 23 stably rotate at the lower end of the first positioning frame 21; the arrangement of the piston 28 and the arrangement of the first spring 24 in the sixth through hole 233 under the condition of no stress can prevent the gas above the piston from entering the annular groove 232 through the sixth through hole 233 to contact with the liquid when not in use, so as to further pollute the gas, and when the gas is pumped in, the piston 28 can move downwards, and the first spring 24 can be compressed, so that the pumped gas can be buffered and decompressed, the internal structure is prevented from being damaged, and the safety is high; and the annular groove 232 is arranged and matched with the first filtering frame 26 on the lower surface of the concentration frame 23, so that gas flows out from the lower end of the annular groove 232 and flows outwards along the radial direction along the lower surface of the concentration frame 23, the gas is fully contacted with liquid after being filtered by the wetted first filtering frame 26, and the effect of absorbing volatile gas is more remarkable.

As shown in fig. 2 to 4, the absorption structure 3 includes a rotating frame 31, a second spring 32 disposed above the rotating frame 31, a second spring 33 disposed in the rotating frame 31, a sealing plate 34 disposed below the second spring 33, a rotating plate 35 disposed on an outer circumferential surface of the rotating frame 31, a limiting block 36 disposed in the rotating frame 31, and a second filter frame 37 disposed outside the rotating plate 35. The rotating frame 31 is preferably a hollow cylinder, the lower end of the rotating frame 31 is provided with an opening, the concentrating frame 23 penetrates through the inner and outer surfaces of the rotating frame 31 and is in sliding contact with the inner and outer surfaces of the rotating frame 31, so that the rotating frame 31 can ascend and descend on the concentrating frame 23, the rotating frame 31 is provided with a plurality of seventh through holes 311 located on the upper surface of the rotating frame 31, and the seventh through holes 311 penetrate through the inner and outer surfaces of the rotating frame 31. The second springs 32 are provided with a plurality of springs, the lower ends of the second springs 32 are fixedly connected with the rotating frame 31, and the upper ends of the second springs 32 are fixedly connected with the fixed block 27, so that the rotating frame 31 is supported. The number of the third springs 33 is several, the upper ends of the third springs 33 are fixedly connected with the inner surface of the rotating frame 31, and the lower ends of the third springs 33 are fixedly connected with the sealing plate 34, so that the sealing plate 34 is supported. The sealing plate 34 is accommodated in the rotating frame 31 and is in sliding contact with the inner surface thereof, so that the sealing plate 34 can move up and down in the rotating frame 31, the concentration frame 23 penetrates the upper and lower surfaces of the sealing plate 34 and is in sliding contact therewith, so that the sealing plate 34 can stably move up and down, and the sealing plate 34 is preferably made of a hard rubber material. The rotating plate 35 is a cylinder and is horizontally disposed, the rotating frame 31 penetrates through the upper and lower surfaces of the rotating plate 35 and is fixedly connected with the rotating plate, preferably, the lower surface of the rotating frame 31 is coplanar with the lower surface of the rotating plate 35, a plurality of eighth through holes 351 penetrating through the upper and lower surfaces of the rotating plate 35 are formed in the rotating plate 35, and the eighth through holes 351 are preferably circular. The limiting blocks 36 are provided in a plurality and distributed on the inner circumferential surface of the rotating frame 31 along the circumferential direction, one end of the limiting block 36 is fixedly connected with the inner surface of the rotating frame 31, preferably, the lower surface of the limiting block 36 is coplanar with the lower surface of the rotating frame 31, and the limiting block 36 can prevent the sealing plate 34 from excessively moving downwards to be separated from the rotating frame 31. The second filtering frame 37 is a hollow cylinder and two axial end faces are communicated, the lower axial surface of the second filtering frame 37 is fixedly connected with the bottom surface of the inner cavity of the box body 11, the rotating plate 35 is accommodated in the second filtering frame 37 and is in sliding contact with the inner circumferential surface of the second filtering frame 37, so that the rotating plate 35 can rotate in the second filtering frame 37, and the side wall of the second filtering frame 37 is provided with filtering holes for allowing air and liquid to pass through, so that the air and the liquid are fully dispersed and fully contacted, and the effect of absorbing volatile gas is more remarkable.

The absorption structure 3 is arranged to enable the air discharged from the annular groove 232 to be concentrated in the rotating frame 31 and then flow outwards along the radial direction of the lower surface of the rotating frame 31, so that the full contact between the gas and the liquid is realized, and the gas absorption efficiency is high; the rotation of the rotating frame 34 and the rotating plate 35 can stir the surrounding liquid, so that the liquid is stirred, the liquid can be fully absorbed by the volatile gas, and the absorption is more complete; the concentration frame 23 can move up and down, the fixed block 27 and the second spring 32 drive the rotating frame 31 to move up and down along with the concentration frame, the rotating frame 31 drives the sealing plate 34 to periodically move up and down along with the third spring 33, so that the sealing plate 34 moves up and down in the rotating frame 31, liquid inside and outside the rotating frame 31 enters and exits through the seventh through hole 311, the flow of the liquid is further enhanced, and the liquid is fully mixed; the eighth through hole 351 is formed in the rotating plate 35, so that when gas flows to the lower surface of the rotating plate 35, the gas can flow upwards through the eighth through hole 351 to disperse the flow of the gas, so that the liquid and the gas are fully contacted, and the absorption effect is more ideal; and the arrangement and cooperation of the rotating plate 35 and the second filter frame 37 can further disperse the gas and the liquid, so that the absorption of the gas by the organic solvent is more remarkable.

As shown in fig. 1 and 2, the driving structure 4 includes a cylinder 41, a push rod 42 disposed below the cylinder 41, a connecting frame 43 disposed at a lower end of the push rod 42, a bearing 44 disposed at a lower end of the connecting frame 43, and a connecting frame 45 disposed in the bearing 44. The cylinder 41 is provided with a switch (not shown) to facilitate controlling the on/off of the cylinder, and the cylinder 41 may be fixed to the cover plate 16 through a fixing frame, so as to fix the cylinder 41 to the cover plate 16. The upper end of the push rod 42 is connected to the cylinder 41, so that the cylinder 41 can drive the push rod 42 to move up and down, and the push rod 42 penetrates through the upper and lower surfaces of the cover plate 16 and is in sliding contact with the upper and lower surfaces, so that the push rod 42 can stably move up and down. The connecting frame 43 is bent, the upper end of the connecting frame 43 is fixedly connected with the lower end of the pushing rod 42, and the lower end of the connecting frame 43 is fixedly connected with the outer ring of the bearing 44, so that the bearing 44 can be driven to move up and down. The connection frame 45 is a hollow cylinder and two axial end faces are communicated, the axial lower surface of the connection frame 45 is fixedly connected with the upper surface of the concentration frame 23, and the connection frame 45 penetrates through the inner ring of the bearing 44 and is fixedly connected with the inner ring, so that the connection frame 45 can rotate relatively to the connection frame 43 stably.

The driving structure 4 can drive the pushing rod 42 to move up and down through the air cylinder 41, so that the connecting frame 43 and the bearing 44 move up and down, the connecting frame 45 moves up and down, and finally the focusing frame 23 is driven to move up and down.

As shown in fig. 2, the positioning structure 5 includes a rotating shaft 51, a driving frame 52 disposed on a lower end of the rotating shaft 51, and a third filtering frame 53 disposed on a lower end of the driving frame 52. The upper end of pivot 51 with the lower fixed surface of fixed plate 25 is connected, the central axis of pivot 51 with the central axis collineation of fixed plate 25, be equipped with the external screw thread on the outer periphery of pivot 51. The driving frame 52 is a hollow cylinder, the lower end of the rotating shaft 51 is accommodated in the driving frame 52 and is in threaded connection with the driving frame 52, so that in the up-and-down moving process of the rotating shaft 51, the rotating shaft 51 is rotated through the threaded connection between the driving frame 52 and the rotating shaft 51, the fixing plate 25 and the concentration frame 23 are driven to rotate along with the rotating shaft, and finally the rotating frame 31 and the rotating plate 35 are driven to rotate along with the rotating shaft. The third filter frame 53 is a hollow cylinder, the upper surface and the lower surface of the third filter frame 53 are communicated, the lower surface of the third filter frame 53 is fixedly connected with the inner surface of the box body 11, and the upper surface of the third filter frame 53 is fixedly connected with the lower surface of the driving frame 52, so that the driving frame 52 is supported, and liquid can enter and exit the third filter frame 53.

The positioning structure 5 is arranged to fix the fixing plate 25 through the rotating shaft 51 and is in threaded connection with the driving frame 52 through the rotating shaft 51, so that in the process that the driving structure 4 drives the concentration frame 23 to move up and down, the rotating shaft 51 rotates relative to the driving frame 52, the concentration frame 23, the rotating frame 31 and the rotating plate 35 rotate along with the rotation, surrounding liquid can be driven to flow out, mixing of organic solvents is achieved, and absorption of gas is accelerated.

As shown in fig. 1 to 6, when the environment-friendly volatile gas recycling apparatus in the chemical field of the present invention is used, the upper end of the gas inlet pipe 17 is connected to a gas extraction structure, such as a fan, to extract the exhaust gas with the volatile gas into the gas inlet pipe 17, then the exhaust gas enters the first positioning frame 21 and the second positioning frame 22, then the exhaust gas enters the concentration frame 23 through the fifth through hole 231, so that the gas pressure in the concentration frame 23 is increased, the piston 28 moves downward in the concentration frame 23, the first spring 24 is compressed until the piston moves below the sixth through hole 233, then the gas enters the annular groove 232 through the sixth through hole 233, then flows out through the lower end of the annular groove 232, then flows outward along the lower surface of the concentration frame 23 in the radial direction, and is dispersed and filtered by the first filter frame 26 to fully contact with the liquid, the full absorption of the organic solvent to the volatile gas is facilitated, and the absorption efficiency is improved; then the gas flows to the radial outside of the lower surface of the concentration frame 23, flows to the rotating frame 31, then is on the lower surface of the sealing plate 34, then is concentrated on the lower surface of the sealing plate 34, when the gas is concentrated more, the liquid below the sealing plate 34 is pressed, so that the liquid below the sealing plate 34 flows out, the liquid is favorably driven to flow, the organic solvent is sufficiently mixed, when the gas is concentrated more, the gas can flow outwards in the radial direction from the lower surface of the rotating frame 31 and flows to the lower surface of the rotating plate 35, then a part of the gas flows upwards through the eighth through holes 351, the rest flows outwards through the filtering holes of the second filtering frame 37, on one hand, the gas can flow in a dispersed manner, the gas is favorably and sufficiently contacted and mixed with the liquid, on the other hand, the second filtering frame 37 can further scatter the gas, and the organic solvent is favorably absorbed, the second filtering frame 37 can stably position the rotating plate 35 and the rotating frame 31, which is beneficial to more stably rotating the rotating plate and the rotating frame; the air cylinder 41 drives the push rod 42 to periodically move up and down, so that the connecting frame 43, the bearing 44 and the connecting frame 45 periodically move up and down, so that the concentration frame 23 periodically moves up and down, the rotating shaft 51 is in threaded connection with the driving frame 52, so that the rotating shaft 51 can rotate, the concentration frame 23 rotates, the rotating frame 31 and the sealing plate 34 are driven to rotate, the sealing plate 34 moves up and down in the rotating frame 31 due to the connection effect of the third spring 33, on one hand, liquid above the sealing plate can periodically enter and exit through the seventh through hole 311, so that the organic solvent is fully mixed, on the other hand, gas below the sealing plate can be timely discharged from the lower part of the rotating frame 31, the gas flow is accelerated, and the absorption is rapidly carried out; the rotating concentration frame 23, the rotating frame 31 and the rotating plate 35 can drive the surrounding organic solvent to flow, the flowing organic solvent is in contact with the gas quickly, the absorption of the volatile gas by the organic solvent is accelerated, the efficiency is improved, the time is saved, the treated gas is exhausted through the exhaust pipe 19, and the organic solvent in the box body 11 can be exhausted from the exhaust pipe 12. The use process of the environment-friendly volatile gas recovery equipment in the chemical field is described.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (10)

1. The utility model provides a volatile gas recovery equipment of chemical industry field environmental protection, include the box structure, set up in concentrated revolution mechanic in the box structure, the box structure include the box, set up in apron on the box, be equipped with third through-hole, its characterized in that on the apron: the volatile gas recovery device of chemical industry field environmental protection still including set up in concentrate last absorbent structure, drive structure, location structure of revolution mechanic, concentrate revolution mechanic including concentrate the frame, set up in concentrate the second locating frame of frame top, set up in the first locating frame of second locating frame upper end, set up in concentrate the fixed plate of frame lower extreme, the upper surface of frame of concentrating is equipped with the fifth through-hole, the upper surface of first locating frame is aimed at the third through-hole and with the lower fixed surface of apron is connected, the lower extreme of first locating frame accept in the second locating frame and rather than sliding contact, the lower extreme of second locating frame is aimed at the fifth through-hole and with the last fixed surface of frame of concentrating, drive structure include the cylinder, set up in catch bar on the cylinder, set up in the link of catch bar lower extreme, Set up in the bearing of link lower extreme, set up in the carriage on the bearing, the lower extreme of carriage with the last fixed surface of concentrated frame is connected, the carriage passes the inner circle of bearing and rather than fixed connection, location structure include the pivot, set up in the drive frame of pivot lower extreme, set up in the third of drive frame lower extreme filters the frame, the upper end of pivot with fixed plate fixed connection, the lower extreme of pivot accept in drive frame in and rather than threaded connection.

2. The chemical industry field environmental protection volatile gas recovery apparatus according to claim 1, characterized in that: the upper end of the third filter frame is fixedly connected with the lower surface of the driving frame, and the lower surface of the third filter frame is fixedly connected with the inner surface of the box body.

3. The chemical industry field environmental protection volatile gas recovery apparatus according to claim 2, characterized in that: concentrate revolution mechanic still including set up in first spring in the frame of concentrating, set up in the piston of first spring top, still be equipped with the ring channel that is located its lower surface on the frame of concentrating, set up a plurality of sixth through-holes on its inner periphery, the sixth through-hole with the upper end intercommunication of ring channel, the lower extreme of first spring with fixed plate fixed connection, the upper end of first spring with piston fixed connection, when first spring is in the unstressed state, the piston is in the top of sixth through-hole.

4. The chemical industry field environmental protection volatile gas recovery apparatus according to claim 3, characterized in that: the centralized rotating structure further comprises a first filtering frame arranged below the centralized frame, and the upper surface of the first filtering frame is fixedly connected with the lower surface of the centralized frame.

5. The chemical industry field environmental protection volatile gas recovery apparatus according to claim 4, characterized in that: absorbent structure including rotatory frame, set up in the second spring of rotatory frame top, concentrate rotary structure still including set up in the outside fixed block of concentrated frame, concentrated frame runs through the internal and external surface of rotatory frame and rather than sliding contact, the lower extreme of rotatory frame is equipped with the opening, the upper end of second spring with fixed block fixed connection, the lower extreme of second spring with rotatory frame fixed connection.

6. The chemical industry field environmental friendly volatile gas recovery apparatus as set forth in claim 5, wherein: the absorbing structure further comprises a third spring and a sealing plate which are arranged in the rotating frame, a plurality of seventh through holes which penetrate through the inner surface and the outer surface of the rotating frame are formed in the upper surface of the rotating frame, the sealing plate is contained in the rotating frame and is in sliding contact with the inner surface of the rotating frame, the upper end of the third spring is fixedly connected with the inner surface of the rotating frame, and the lower end of the third spring is fixedly connected with the sealing plate.

7. The chemical industry field environmental protection volatile gas recovery apparatus according to claim 6, characterized in that: the absorption structure further comprises a rotating plate arranged on the outer circumferential surface of the rotating frame and a third filtering frame arranged outside the rotating frame, the rotating frame penetrates through the upper surface and the lower surface of the rotating plate and is fixedly connected with the rotating plate, the lower surface of the third filtering frame is fixedly connected with the inner surface of the box body, the rotating plate is contained in the third filtering frame and is in sliding contact with the inner surface of the third filtering frame, and an eighth through hole penetrating through the upper surface and the lower surface of the rotating plate is formed in the rotating plate.

8. The chemical industry field environmental protection volatile gas recovery apparatus according to claim 7, characterized in that: the upper end of catch bar with the cylinder is connected, the lower extreme of catch bar with link fixed connection, the lower extreme of link with the outer lane fixed connection of bearing, the catch bar runs through the upper and lower surface of apron and rather than sliding contact.

9. The chemical industry field environmental friendly volatile gas recovery apparatus as set forth in claim 8, wherein: the box structure still including set up in the outside discharge pipe of box, set up in first valve on the discharge pipe, set up in the feed liquor pipe of discharge pipe top, set up in second valve on the feed liquor pipe, be equipped with first through-hole and second through-hole on the box, the one end of discharge pipe is aimed at first through-hole and with the fixed surface of box is connected, the one end of feed liquor pipe is aimed at the second through-hole and with the fixed surface of box is connected.

10. The chemical industry field environmental friendly volatile gas recovery apparatus as set forth in claim 9, wherein: the box structure still including set up in the intake pipe of apron top, set up in second valve in the intake pipe, set up in the blast pipe of apron top, be equipped with the fourth through-hole on the apron, the lower extreme of intake pipe is aimed at the third through-hole and with the last fixed surface of apron is connected, the lower extreme of blast pipe is aimed at the fourth through-hole and with the last fixed surface of apron is connected.

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