CN117339375B - Tail gas recovery device for pharmaceutical workshop - Google Patents
Tail gas recovery device for pharmaceutical workshop Download PDFInfo
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- CN117339375B CN117339375B CN202311442652.6A CN202311442652A CN117339375B CN 117339375 B CN117339375 B CN 117339375B CN 202311442652 A CN202311442652 A CN 202311442652A CN 117339375 B CN117339375 B CN 117339375B
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- reaction tank
- plate
- filter screen
- liquor reaction
- tail gas
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- 238000011084 recovery Methods 0.000 title claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 73
- 239000002253 acid Substances 0.000 claims abstract description 40
- 239000003513 alkali Substances 0.000 claims abstract description 37
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 33
- 238000003825 pressing Methods 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 27
- 239000012530 fluid Substances 0.000 description 12
- 239000002912 waste gas Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000005406 washing 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
- B01D53/34—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
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention discloses tail gas recovery equipment for a pharmaceutical workshop, which comprises an equipment shell, an air inlet arranged at one end of the equipment shell and an air outlet arranged at the other end of the equipment shell, wherein a filter screen plate is arranged at one end, close to the air inlet, of the inner side of the equipment shell, an activated carbon filter plate is arranged at one end, close to the air outlet, of the inner side of the equipment shell, and an acid liquor reaction tank and an alkali liquor reaction tank are arranged between the activated carbon filter plate and the filter screen plate; the motor is arranged at one end of the inner side of the air outlet, a rotating shaft is arranged at the output end of the motor, and an exhaust fan is arranged at one end, far away from the motor, of the rotating shaft. This tail gas recovery equipment for pharmaceutical workshop can conveniently handle the gaseous quick exhaust after the back through motor, rotation axis, the exhaust fan that set up, cooperates rack, sector gear, telescopic link, cross axle, first connecting rod, second connecting rod, brush board, curb plate, guide slot, the setting of guide pulley can realize the automatic clearance to the filter screen board side, has improved efficiency.
Description
Technical Field
The invention relates to the field of waste gas recovery, in particular to tail gas recovery equipment for a pharmaceutical workshop.
Background
The pharmaceutical engineering is a cross-industry class of chemistry, biology, pharmacy (Chinese medicine) and engineering, and aims at culturing, developing and manufacturing medicines, developing new technology, new equipment, developing new varieties, amplifying and designing talents. Although the pharmaceutical engineering profession is new in name, the production of the product is not completely new from the discipline and is a continuation of the similar profession, and is also a product developed by Chinese science and technology, a large amount of waste gas is generated in the pharmaceutical process, and the waste gas contains a large amount of acidic and alkaline substances, so that the waste gas can cause great harm to the air if the waste gas is directly discharged without being treated. Pharmacy tail gas processing apparatus among the prior art generally carries out the preliminary filtration with the tail gas and then discharges, and this kind of mode can not be with the harmful substance in the tail gas handle completely, and some tail gas processing apparatus divides the multistage absorption filtration that carries out, can effectively carry out purification treatment with the tail gas, but this kind of device can not change filter screen and absorptive solution when using to lead to its live time longer filter effect worse.
Patent application number: 201920881350.1 discloses a pharmaceutical tail gas recovery processing device, the device includes including the tail gas treatment case, the left top fixedly connected with intake pipe of tail gas treatment case, the inside left side fixed mounting of tail gas treatment case has the acidizing fluid reaction bottle, the inside of tail gas treatment case is located the right side fixed mounting of acidizing fluid reaction bottle has the lye reaction bottle. This pharmacy tail gas recovery processing device changes the solution discharge in acidizing fluid reaction bottle, alkali lye reaction bottle and the washing bottle through the drain pipe, then takes off the fixed cover from the top of mount pad, takes out the active carbon filter screen and changes, inserts the active carbon filter screen that has changed in the tail gas treatment case, makes its bottom lock joint in the draw-in groove, fixes it through the draw-in groove, avoids its side-to-side movement, then fixes mount pad and fixed cover through fixed orifices and fixed column to the mesh that easy filter screen and solution and purification efficiency are higher has been reached.
The filter screen is cleaned or replaced in the mode of disassembling the filter screen in the prior art, so that manual participation is needed, cleaning work of the filter screen cannot be realized when the filter screen is used, efficiency is affected, and the acid is easy to replace and the alkali solution in the prior art is completely discharged and then new acid solution and alkali solution are added, so that the whole process is slow, and efficiency is affected.
Therefore, it is necessary to provide an exhaust gas recovery apparatus for pharmaceutical workshops to solve the above problems.
Disclosure of Invention
The invention mainly aims to provide tail gas recovery equipment for a pharmaceutical workshop, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The tail gas recovery device for the pharmaceutical workshop comprises a device shell, an air inlet arranged at one end of the device shell and an air outlet arranged at the other end of the device shell, wherein a filter screen plate is arranged at one end, close to the air inlet, of the inner side of the device shell, an activated carbon filter plate is arranged at one end, close to the air outlet, of the inner side of the device shell, and an acid liquor reaction tank and an alkali liquor reaction tank are arranged between the activated carbon filter plate and the filter screen plate;
A motor is arranged at one end of the inner side of the air outlet, a rotating shaft is arranged at the output end of the motor, and an exhaust fan is arranged at one end of the rotating shaft, which is far away from the motor; one side of the filter screen plate is provided with a cleaning structure connected with the rotating shaft through a linkage mechanism, the cleaning structure comprises side plates arranged on two ends of the filter screen plate, which are close to the air inlet, the side plates are provided with guide grooves, brush plates corresponding to the filter screen plate are arranged between the two side plates, guide wheels which are movably matched with the guide grooves are arranged on two ends of the brush plates, and the linkage mechanism is used for driving the brush plates to lift.
Preferably, the linkage mechanism comprises a sector gear arranged on the rotating shaft, racks are symmetrically arranged at the upper end and the lower end of the sector gear, two ends of the two racks are connected into a whole through connecting plates, one side of each rack at the upper end is movably connected with a telescopic rod through a pin shaft, the upper end of the inner side of the equipment shell is rotationally connected with a transverse shaft, one end of the transverse shaft extends to one side, close to the air inlet, of the filter screen plate, the end of the transverse shaft is fixedly connected with a first connecting rod, and one end, far away from the transverse shaft, of the first connecting rod is movably connected with a second connecting rod through the pin shaft.
Preferably, one end of the transverse shaft far away from the filter screen plate extends to the outer side of the equipment shell and is fixedly connected with the upper end of the telescopic rod.
Preferably, the guide groove is inclined, so that the brush plate can move transversely while lifting; one end of the second connecting rod, which is far away from the first connecting rod, is movably connected with one side of the brush plate through a pin shaft, the pin shaft is fixed on the brush plate, the length of the pin shaft is greater than the thickness of the second connecting rod, and the brush plate can transversely displace relative to the second connecting rod.
Preferably, a collecting box is movably arranged at the lower end of one side of the filter screen plate, which is close to the air inlet.
Preferably, guide shells corresponding to the racks are arranged on two sides of the air outlet, the guide shells are communicated with the air outlet, and two ends of the whole body formed by the two racks are respectively and slidably connected to the inner sides of the two guide shells; a through groove is formed in the position, corresponding to the top of the air outlet, of the telescopic rod, and the telescopic rod extends to the top of the air outlet through the through groove.
Preferably, the one end that the air inlet was kept away from to the filter screen board is provided with the wind scooper, and through intake connection between one end that the filter screen board was kept away from to the wind scooper and the acidizing fluid retort, be connected through communicating pipe between the upper end of acidizing fluid retort and lye retort, the one end that the communicating pipe was kept away from to the lye retort upper end is provided with the discharge pipe, the upper end of acidizing fluid retort and lye retort all is provided with the liquid feeding pipe, and the bottom of acidizing fluid retort and lye retort all is provided with the discharge port, and is provided with the control valve on the discharge port.
Preferably, the inboard of acidizing fluid retort and lye retort all is provided with the partition assembly, the partition assembly includes to rotate the closing plate of being connected in the inboard of acidizing fluid retort and lye retort through the pivot, and the closing plate is equal the adaptation with the internal diameter of acidizing fluid retort and lye retort, be provided with the support between acidizing fluid retort and the lye retort, the upper end of support is provided with biax motor, and the both ends output shaft of biax motor respectively with the pivot fixed connection on two closing plates, and then biax motor drives the closing plate upset through the pivot.
Preferably, one end of the air inlet pipe extends to the inner side of the acid liquor reaction tank and is connected with one end of the top of the sealing plate in the acid liquor reaction tank through a hose, one end of the communicating pipe extends to the inner side of the alkali liquor reaction tank and is connected with one end of the top of the sealing plate in the alkali liquor reaction tank through a hose, an inclined pipe communicated with the hose is arranged at the bottom of the sealing plate, and one end of the communicating pipe, which is close to the acid liquor reaction tank, and the lower end of the discharging pipe are both located above the sealing plate.
Preferably, the device further comprises a pressing assembly, the pressing assembly comprises a cylinder body embedded at one end of the sealing plate, the inner side of the cylinder body is movably connected with a pressing plate, the upper end of the cylinder body is provided with a cross rod, the bottom of the cross rod is provided with a T-shaped rod extending to the lower side of the pressing plate, and a spring is sleeved on the part of the T-shaped rod located below the pressing plate.
Advantageous effects
Compared with the prior art, the invention provides tail gas recovery equipment for a pharmaceutical workshop, which has the following beneficial effects:
This tail gas recovery equipment for pharmaceutical workshop can conveniently handle the gaseous quick exhaust after the motor, rotation axis, the exhaust fan of setting, cooperation rack, sector gear, telescopic link, cross axle, first connecting rod, second connecting rod, brush board, curb plate, guide slot, guide pulley set up can realize the automatic clearance to the filter screen board side, automatic clearance need not to dismantle when the exhaust, improved efficiency, the setting of collecting box is convenient for collect the granule impurity of sweeping down, the setting of direction casing is convenient for fix and the direction to the rack.
This tail gas recovery equipment for pharmaceutical workshop can conveniently realize the separation inside to acidizing fluid retort and alkali lye retort through the biax motor that sets up, pivot, closing plate, hose, inclined tube, and then carries out the liquid feeding in the time of being convenient for flowing back, and the space that the upper end of closing plate formed carries out the liquid feeding, and the bottom is flowing back, has improved the liquid changing speed, and horizontal pole, clamp plate, T shape pole, the cooperation setting of spring can be in the liquid feeding to the bottom of closing plate apply the atmospheric pressure, and then the discharge that the waste liquid is more quick of being convenient for has further improved efficiency.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the device housing of the present invention;
FIG. 3 is a schematic view of the structure of the air outlet of the present invention;
FIG. 4 is a schematic view of the structure of the device housing of the present invention with the air outlet removed;
FIG. 5 is a schematic view of the structure of the present invention from another perspective based on FIG. 4;
FIG. 6 is a schematic view of the structure of the inside of the acid reaction tank of the present invention;
FIG. 7 is a schematic view of the structure of the sealing plate from the bottom perspective of the present invention;
fig. 8 is a schematic view showing a specific structure of the rack and sector gear of the present invention.
In the figure: 1. an equipment housing; 2. an air inlet; 3. an air outlet; 4. a filter screen plate; 5. an acid liquor reaction tank; 6. an alkali liquor reaction tank; 7. a wind scooper; 8. a liquid adding tube; 9. an air inlet pipe; 10. a communicating pipe; 11. a discharge pipe; 12. an activated carbon filter plate; 13. a discharge port; 14. a side plate; 15. a collection box; 16. a guide housing; 17. a motor; 18. a through groove; 19. a telescopic rod; 20. a horizontal axis; 21. an exhaust fan; 22. a rack; 23. a sector gear; 24. a rotation shaft; 25. a guide groove; 26. brushing a plate; 27. a guide wheel; 28. a first link; 29. a second link; 30. a bracket; 31. a biaxial motor; 32. a sealing plate; 33. a rotating shaft; 34. a hose; 35. a chute; 36. a cylinder; 37. a pressing plate; 38. a cross bar; 39. a T-bar; 40. and (3) a spring.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Examples
As shown in fig. 1-8, in this embodiment, the tail gas recovery device for a pharmaceutical workshop comprises a device housing 1, an air inlet 2 arranged at one end of the device housing 1, and an air outlet 3 arranged at the other end of the device housing 1, wherein a filter screen 4 is arranged at one end, close to the air inlet 2, of the inner side of the device housing 1, an activated carbon filter plate 12 is arranged at one end, close to the air outlet 3, of the inner side of the device housing 1, an acid liquor reaction tank 5 and an alkali liquor reaction tank 6 are arranged between the activated carbon filter plate 12 and the filter screen 4, an air guide cover 7 is arranged at one end, far from the air inlet 2, of the filter screen 4, one end, far from the filter screen 4, is connected with the acid liquor reaction tank 5 through an air inlet pipe 9, the upper end, far from the communication pipe 10, of the acid liquor reaction tank 5 is connected with the upper end, close to the communication pipe 10, of the acid liquor reaction tank 5 and the alkali liquor reaction tank 6 are respectively provided with a liquid adding pipe 8, the bottoms of the acid liquor reaction tank 5 and the alkali liquor reaction tank 6 are respectively provided with a discharge port 13, and a control valve is arranged on the discharge port 13;
further, a motor 17 is arranged at one end of the inner side of the air outlet 3, a rotating shaft 24 is arranged at the output end of the motor 17, and an exhaust fan 21 is arranged at one end of the rotating shaft 24 far away from the motor 17; one side of the filter screen plate 4 is provided with a cleaning structure connected with the rotating shaft 24 through a linkage mechanism, the cleaning structure comprises side plates 14 arranged at two ends of one side of the filter screen plate 4 close to the air inlet 2, guide grooves 25 are formed in the side plates 14, brush plates 26 corresponding to the filter screen plate 4 are arranged between the two side plates 14, guide wheels 27 movably matched with the guide grooves 25 are arranged at two ends of the brush plates 26, the guide grooves 25 are inclined, the brush plates 26 can move transversely while being lifted, the linkage mechanism is used for driving the brush plates 26 to lift, and a collecting box 15 is movably arranged at the lower end of one side of the filter screen plate 4 close to the air inlet 2.
As an embodiment, the linkage mechanism includes a sector gear 23 disposed on a rotation shaft 24, racks 22 adapted to the sector gear 23 are symmetrically disposed at upper and lower ends of the sector gear 23, two ends of the two racks 22 are connected into a whole through a connecting plate, two sides of the air outlet 3 are provided with guide shells 16 corresponding to the racks 22, the guide shells 16 are communicated with the air outlet 3, two ends of the whole formed by the two racks 22 are respectively slidably connected to inner sides of the two guide shells 16, one side of the rack 22 at the upper end is movably connected with a telescopic rod 19 through a pin shaft, an upper end of the inner side of the equipment shell 1 is rotatably connected with a transverse shaft 20, one end of the transverse shaft 20 far away from the filter screen 4 extends to the outer side of the equipment shell 1 and is fixedly connected with an upper end of the telescopic rod 19, a through groove 18 is disposed at a position corresponding to the telescopic rod 19 at the top of the air outlet 3, one end of the transverse shaft 20 extends to one side of the filter screen 4 close to the air inlet 2, the end is fixedly connected with a first connecting rod 28, one end of the first connecting rod 28 far away from the transverse shaft 20 is movably connected with a second connecting rod 29 through a pin shaft, one end of the first connecting rod 28 far away from the first connecting rod 29 is movably connected with the second connecting rod 26 through a pin shaft 26, and the first connecting rod 29 is further movably connected with one side of the second connecting rod 26 is movably connected with the second connecting rod 26 through the first connecting rod 26 through the pin shaft.
As an embodiment, the inner sides of the acid solution reaction tank 5 and the alkali solution reaction tank 6 are respectively provided with a separation component, the separation component comprises a sealing plate 32 which is rotationally connected to the inner sides of the acid solution reaction tank 5 and the alkali solution reaction tank 6 through a rotating shaft 33, the sealing plate 32 is matched with the inner diameters of the acid solution reaction tank 5 and the alkali solution reaction tank 6, one end of an air inlet pipe 9 extends to the inner side of the acid solution reaction tank 5 and is connected with one end of the top of the sealing plate 32 in the acid solution reaction tank 5 through a hose 34, one end of a communicating pipe 10 extends to the inner side of the alkali solution reaction tank 6 and is connected with one end of the top of the sealing plate 32 in the alkali solution reaction tank 6 through a hose 34, one end of the communicating pipe 10 close to the acid solution reaction tank 5 and the lower end of a discharge pipe 11 are respectively located above the sealing plate 32, an inclined pipe 35 which is communicated with the hose 34 is arranged at the bottom of the sealing plate 32, a bracket 30 is arranged between the acid solution reaction tank 5 and the alkali solution reaction tank 6, two ends of the bracket 30 are respectively fixedly connected with the rotating shafts 33 on the two sealing plates 32, and the biaxial motor 31 is further rotated by the rotating shaft 33 to the sealing plate 32.
Further, the device also comprises a pressing component, the pressing component comprises a cylinder 36 embedded at one end of the sealing plate 32, the inner side of the cylinder 36 is movably connected with a pressing plate 37, the upper end of the cylinder 36 is provided with a cross rod 38, the bottom of the cross rod 38 is provided with a T-shaped rod 39 extending to the lower part of the pressing plate 37, and a spring 40 is sleeved on the part of the T-shaped rod 39 located below the pressing plate 37.
In the working principle, when in use, acid solution is added into the acid solution reaction tank 5, alkali solution is added into the alkali solution reaction tank 6, the sealing plate 32 is inclined, the lower end of the inclined tube 35 is submerged in the acid-base solution, tail gas is introduced into the equipment shell 1 through the air inlet 2, firstly, particle impurities are primarily filtered through the filter screen 4, then, the tail gas enters the acid solution reaction tank 5 through the air guide cover 7 and the air inlet pipe 9, the tail gas is discharged into the acid solution reaction tank 5 through the flexible tube 34 and the inclined tube 35 for treatment, then, the tail gas is discharged into the alkali solution reaction tank 6 through the communicating tube 10, the treated alkali solution in the alkali solution reaction tank 6 is discharged through the discharge tube 11, finally, the treated gas is further filtered through the activated carbon filter plate 12, the motor 17 drives the exhaust fan 21 to rotate through the rotating shaft 24, so that the treated gas can be rapidly discharged, and the whole of the two racks 22 are driven to move back and forth while the rotating shaft 24 rotates, the telescopic rod 19 swings back and forth along with the change of the inclination angle of the whole displacement of the two racks 22 continuously, the top end of the telescopic rod 19 drives the transverse shaft 20 to rotate back and forth by a certain amplitude, the rotation angle of the transverse shaft 20 reaches the maximum when the whole displacement of the two racks 22 reaches the limit distance, the transverse shaft 20 drives the brush plate 26 to continuously lift through the first connecting rod 28 and the second connecting rod 29, the rack 22 can clean the main part of the filter screen plate 4 twice when completing the whole displacement of the two directions, the brush plate 26 can clean the main part of the filter screen plate 4 once when completing the whole displacement of the rack 22 in one direction, the brush plate 26 gradually moves away from the filter screen plate 4 when rising under the action of the guide wheel 27 and the guide groove 25, the brush plate 26 approaches to the filter screen plate 4 when falling down and cleans the filter screen plate 4, and the particle impurities drop into the collecting box 15 for collecting, in addition, when the solution in the acid liquor reaction tank 5 and the alkali liquor reaction tank 6 needs to be replaced, the double-shaft motor 31 is started to drive the two sealing plates 32 to turn over to be horizontal through the rotating shaft 33, the sealing plates 32 divide the inner sides of the acid liquor reaction tank 5 and the alkali liquor reaction tank 6 into an upper space and a lower space, waste liquor is discharged from the bottom through the discharge port 13, meanwhile, the liquid adding pipe 8 adds liquid to the inner upper ends of the acid liquor reaction tank 5 and the alkali liquor reaction tank 6, and when the liquid is added, the pressure of the upper ends of the sealing plates 32 increases, the pressing plate 37 is pressed to displace downwards, the pressing plate 37 compresses the space at the bottom of the sealing plates 32 downwards, so that waste liquor at the bottom of the sealing plates 32 is subjected to certain air pressure, the waste liquor can be discharged more rapidly, a control valve on the discharge port 13 is closed after the discharge is finished, the double-shaft motor 31 drives the rotating shaft 33 to turn over, the sealing plates 32 turn over to incline, the upper liquid drops to submerge the lower ends of the inclined pipes 35, and the springs 40 reset to drive the pressing plate 37 to reset, thereby improving the efficiency.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The tail gas recovery device for the pharmaceutical workshop comprises a device shell (1), an air inlet (2) arranged at one end of the device shell (1) and an air outlet (3) arranged at the other end of the device shell (1), wherein a filter screen plate (4) is arranged at one end, close to the air inlet (2), of the inner side of the device shell (1), an activated carbon filter plate (12) is arranged at one end, close to the air outlet (3), of the inner side of the device shell (1), and an acid liquor reaction tank (5) and an alkali liquor reaction tank (6) are arranged between the activated carbon filter plate (12) and the filter screen plate (4);
The method is characterized in that: a motor (17) is arranged at one end of the inner side of the air outlet (3), a rotating shaft (24) is arranged at the output end of the motor (17), and an exhaust fan (21) is arranged at one end, far away from the motor (17), of the rotating shaft (24); one side of the filter screen plate (4) is provided with a cleaning structure connected with the rotating shaft (24) through a linkage mechanism, the cleaning structure comprises side plates (14) arranged at two ends of one side of the filter screen plate (4) close to the air inlet (2), the side plates (14) are provided with guide grooves (25), brush plates (26) corresponding to the filter screen plate (4) are arranged between the two side plates (14), two ends of each brush plate (26) are provided with guide wheels (27) movably matched with the guide grooves (25), and the linkage mechanism is used for driving the brush plates (26) to lift;
One end of the filter screen plate (4) far away from the air inlet (2) is provided with a wind scooper (7), one end of the wind scooper (7) far away from the filter screen plate (4) is connected with the acid liquor reaction tank (5) through an air inlet pipe (9), the acid liquor reaction tank (5) is connected with the upper end of the alkali liquor reaction tank (6) through a communicating pipe (10), one end of the upper end of the alkali liquor reaction tank (6) far away from the communicating pipe (10) is provided with a discharge pipe (11), the upper ends of the acid liquor reaction tank (5) and the alkali liquor reaction tank (6) are both provided with liquid adding pipes (8), the bottoms of the acid liquor reaction tank (5) and the alkali liquor reaction tank (6) are both provided with discharge ports (13), and control valves are arranged on the discharge ports (13);
The acid liquor reaction tank (5) and the alkali liquor reaction tank (6) are respectively provided with a separation component, the separation components comprise sealing plates (32) which are rotationally connected to the inner sides of the acid liquor reaction tank (5) and the alkali liquor reaction tank (6) through rotating shafts (33), the sealing plates (32) are respectively matched with the inner diameters of the acid liquor reaction tank (5) and the inner diameters of the alkali liquor reaction tank (6), a support (30) is arranged between the acid liquor reaction tank (5) and the alkali liquor reaction tank (6), the upper end of the support (30) is provided with a double-shaft motor (31), two end output shafts of the double-shaft motor (31) are respectively fixedly connected with rotating shafts (33) on the two sealing plates (32), and the double-shaft motor (31) drives the sealing plates (32) to overturn through the rotating shafts (33);
One end of the air inlet pipe (9) extends to the inner side of the acid liquid reaction tank (5) and is connected with one end of the top of the sealing plate (32) in the acid liquid reaction tank (5) through a hose (34), one end of the communicating pipe (10) extends to the inner side of the alkali liquid reaction tank (6) and is connected with one end of the top of the sealing plate (32) in the alkali liquid reaction tank (6) through the hose (34), an inclined pipe (35) communicated with the hose (34) is arranged at the bottom of the sealing plate (32), and one end of the communicating pipe (10) close to the acid liquid reaction tank (5) and the lower end of the discharging pipe (11) are both positioned above the sealing plate (32);
The novel sealing device is characterized by further comprising a pressing assembly, the pressing assembly comprises a cylinder body (36) embedded in one end of the sealing plate (32), a pressing plate (37) is movably connected to the inner side of the cylinder body (36), a cross rod (38) is arranged at the upper end of the cylinder body (36), a T-shaped rod (39) extending to the lower side of the pressing plate (37) is arranged at the bottom of the cross rod (38), and a spring (40) is sleeved on the part, located below the pressing plate (37), of the T-shaped rod (39).
2. The tail gas recovery apparatus for a pharmaceutical plant according to claim 1, wherein: the linkage mechanism comprises a sector gear (23) arranged on a rotating shaft (24), racks (22) are symmetrically arranged at the upper end and the lower end of the sector gear (23), two ends of the two racks (22) are connected into a whole through a connecting plate, one side of each rack (22) at the upper end is movably connected with a telescopic rod (19) through a pin shaft, the upper end of the inner side of the equipment shell (1) is rotatably connected with a transverse shaft (20), one end of the transverse shaft (20) extends to one side, close to an air inlet (2), of the filter screen plate (4), the end of the transverse shaft is fixedly connected with a first connecting rod (28), and one end, far away from the transverse shaft (20), of the first connecting rod (28) is movably connected with a second connecting rod (29) through a pin shaft.
3. The tail gas recovery apparatus for a pharmaceutical plant according to claim 2, wherein: one end of the transverse shaft (20) far away from the filter screen plate (4) extends to the outer side of the equipment shell (1) and is fixedly connected with the upper end of the telescopic rod (19).
4. A tail gas recovery plant for pharmaceutical plants according to claim 3, characterized in that: the guide groove (25) is inclined, so that the brush plate (26) can transversely displace while lifting; one end of the second connecting rod (29) far away from the first connecting rod (28) is movably connected with one side of the brush plate (26) through a pin shaft, the pin shaft is fixed on the brush plate (26), the length of the pin shaft is larger than the thickness of the second connecting rod (29), and the brush plate (26) can transversely move relative to the second connecting rod (29).
5. The tail gas recovery apparatus for a pharmaceutical plant as claimed in claim 4, wherein: the lower end of one side of the filter screen plate (4) close to the air inlet (2) is movably provided with a collecting box (15).
6. The tail gas recovery apparatus for a pharmaceutical plant according to claim 5, wherein: guide shells (16) corresponding to the racks (22) are arranged on two sides of the air outlet (3), the guide shells (16) are communicated with the air outlet (3), and two ends of the whole body formed by the two racks (22) are respectively connected to the inner sides of the two guide shells (16) in a sliding mode; a through groove (18) is formed in the position, corresponding to the top of the air outlet (3) and the telescopic rod (19), of the telescopic rod (19) and extends to the top of the air outlet (3) through the through groove (18).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311442652.6A CN117339375B (en) | 2023-11-01 | 2023-11-01 | Tail gas recovery device for pharmaceutical workshop |
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| CN202311442652.6A CN117339375B (en) | 2023-11-01 | 2023-11-01 | Tail gas recovery device for pharmaceutical workshop |
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| CN117339375A CN117339375A (en) | 2024-01-05 |
| CN117339375B true CN117339375B (en) | 2024-07-30 |
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