CN117398809B - Laboratory tail gas treatment system - Google Patents
Laboratory tail gas treatment system Download PDFInfo
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- CN117398809B CN117398809B CN202311720187.8A CN202311720187A CN117398809B CN 117398809 B CN117398809 B CN 117398809B CN 202311720187 A CN202311720187 A CN 202311720187A CN 117398809 B CN117398809 B CN 117398809B
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- fixedly connected
- rotating shaft
- box body
- tail gas
- bevel gear
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- 230000007246 mechanism Effects 0.000 claims abstract description 98
- 238000001179 sorption measurement Methods 0.000 claims abstract description 41
- 238000005192 partition Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 35
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 description 52
- 239000003463 adsorbent Substances 0.000 description 45
- 238000007789 sealing Methods 0.000 description 21
- 239000002912 waste gas Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 230000017105 transposition Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007670 refining 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
- B01D53/02—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
- B01D53/0407—Constructional details of adsorbing systems
-
- 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
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0415—Beds in cartridges
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to the technical field of tail gas treatment, in particular to a laboratory tail gas treatment system, which comprises a box body, wherein a partition plate is fixedly connected in the box body, a self-switching driving mechanism is arranged on the outer surface of the box body, the self-switching driving mechanism is connected with two rotating mechanisms symmetrically arranged in the box body, two tail gas adsorption mechanisms symmetrically arranged are rotationally connected on the bottom surface in the box body, the tail gas adsorption mechanisms are in sliding connection with the rotating mechanisms, and each tail gas adsorption mechanism is provided with an opening and closing mechanism.
Description
Technical Field
The invention relates to the technical field of tail gas treatment, in particular to a laboratory tail gas treatment system.
Background
The tail gas of oil refining laboratory usually contains volatile hydrocarbon organic matters, which cannot be directly discharged into the atmosphere, and the adsorption method is adopted for treatment at present.
The Chinese patent No. 116459627B discloses a disposable waste gas adsorption device and an adsorption method, and relates to the technical field of waste gas treatment; the adsorption cylinders correspond to the cover plate assemblies, the adsorption cylinders are fixedly connected with the filter box, and the cover plate assemblies are rotatably arranged on the second supporting plate; the sliding seat is slidably arranged on the fourth supporting plate, a transposition disk is slidably arranged below the sliding seat, the cleaning assembly is rotatably arranged on the transposition disk, and the sliding seat assists the transposition disk to clean the adsorption cylinder; the carbon supplementing box is fixedly arranged on the fourth supporting plate, and the carbon supplementing pipe is rotatably arranged at the bottom of a communicating pipe of the carbon supplementing box; the bottom of the adsorption cylinder is provided with a valve, and the carbon discharging mechanism controls the closing of the valve. The invention has the beneficial effects that: filtering and adsorbing the waste gas; the adsorption efficiency and quality of the waste gas are improved; the degree of automation is higher. The inventors found that it has the following problems in the process of implementing the present invention: the device can't continue purifying waste gas when changing the adsorbent, needs the terminal to change the adsorbent to the treatment of waste gas promptly, can't treat waste gas in succession, has increased the required time of purifying waste gas, and the adsorbent of the device is less with the contact surface of waste gas, and adsorption efficiency is low.
Disclosure of Invention
The invention aims to provide a laboratory tail gas treatment system, which solves the problems that the device provided in the background art cannot continuously purify waste gas when the adsorbent is replaced, the time required for purifying the waste gas is prolonged, the contact surface between the adsorbent and the waste gas of the device is small, and the adsorption efficiency is low.
In order to achieve the above purpose, the present invention provides the following technical solutions:
laboratory tail gas treatment system, including the box, its characterized in that: the utility model discloses a box, including box, rotary mechanism, tail gas adsorption mechanism, rotary mechanism, switching mechanism and feeding mechanism, fixedly connected with baffle in the box, be equipped with on the surface of box from switching driving mechanism, from switching driving mechanism links to each other with two rotary mechanism of symmetry setting in the box inside, it is connected with two tail gas adsorption mechanisms of symmetry setting to rotate on the bottom surface in the box, tail gas adsorption mechanism and rotary mechanism sliding connection, each all be equipped with closing mechanism on the tail gas adsorption mechanism, still be equipped with two in the box and strike mechanism and two feeding mechanism, each strike the mechanism and all link to each other with homonymy rotary mechanism with each feeding mechanism.
Preferably, the self-switching driving mechanism comprises two transmission assemblies which are symmetrically arranged and connected, wherein one transmission assembly is connected with the driving motor, and a switching assembly is further arranged between the two transmission assemblies.
Preferably, the transmission assembly comprises a first spur gear, the two first spur gears are meshed, the first spur gear is fixedly connected to a first rotating shaft, the first rotating shaft is rotatably connected to the box body, one end of one first rotating shaft is connected with an output shaft of the driving motor, and the other end of the first rotating shaft is connected with a first sliding sleeve in a sliding manner;
the transmission assembly further comprises a pair of end face ratchet wheels I, one end face ratchet wheel I is fixedly connected to the sliding sleeve I, the other end face ratchet wheel I is fixedly connected to one end of the rotating shaft II, the rotating shaft II is rotatably connected to the box body, the other end of the rotating shaft II is connected with the rotating shaft III through the bevel gear transmission assembly, and the rotating shaft III is rotatably connected to the box body.
Preferably, the switching assembly comprises a stirring bracket and an actuating bracket, the stirring bracket and the actuating bracket are rotationally connected to the box body, a tension spring I is arranged between the stirring bracket and the actuating bracket, and two ends of the stirring bracket are respectively connected with two sliding sleeves I in a sliding manner;
the switching assembly further comprises a second spur gear fixedly connected to the second rotating shaft, the second spur gear is meshed with the first rack, the first rack is slidably connected to the first slide rail, the first slide rail is fixedly connected to the outer surface of the box body, two triangular push plates with different heights are fixedly connected to the first rack, two guide posts corresponding to the heights of the triangular push plates respectively are arranged on the actuating support, and stop rods are further arranged on two sides of the actuating support.
Preferably, the rotating mechanism comprises a fixed ring frame, the fixed ring frame is fixedly connected to the inside of the box body, a bevel gear ring is rotationally connected to the fixed ring frame, the bevel gear ring is meshed with a bevel gear I, the bevel gear I is fixedly connected to a rotating shaft IV, the rotating shaft IV is rotationally connected to the inside of the box body, the rotating shaft IV is connected with a rotating shaft III through a belt transmission assembly I, and two symmetrically arranged guide brackets are fixedly connected to the inner wall of the bevel gear ring.
Preferably, the tail gas adsorption mechanism comprises a first supporting plate, the first supporting plate is rotationally connected to the inner bottom surface of the box body, four elastic supporting rods which are uniformly arranged are fixedly connected to the first supporting plate, a second supporting plate is fixedly connected to the second supporting plate, a fixing seat and a fixing support are fixedly connected to the second supporting plate, an inner cylinder body is fixedly connected to the fixing seat, an outer cylinder body is fixedly connected to the fixing support, a plurality of exhaust holes are formed in the inner cylinder body and the outer cylinder body, two symmetrically arranged slide ways are fixedly connected to the upper end of the outer cylinder body, and the upper end of the guide support is connected with the slide ways in a sliding mode.
Preferably, the opening and closing mechanism comprises a lower sealing plate and an upper sealing plate, wherein the lower sealing plate is fixedly connected to four electric push rods which are uniformly arranged, the first electric push rods are fixedly connected to a second supporting plate, the upper sealing plate is fixedly connected to the second electric push rods, the second electric push rods are fixedly connected to a mounting bracket, the mounting bracket is fixedly connected to a hopper, and the hopper is fixedly connected to the upper end of the outer cylinder body.
Preferably, the knocking mechanism comprises a straight tooth gear ring, the straight tooth gear ring is fixedly connected to the bevel gear ring, the straight tooth gear ring is meshed with a straight gear three, the straight gear three is fixedly connected to a rotating shaft five, the rotating shaft five is rotationally connected to a fixed ring frame, an incomplete gear is fixedly connected to the rotating shaft five, the incomplete gear is meshed with a rack two, the rack two is fixedly connected to a sliding block, the sliding block is slidably connected to a sliding rail two, the sliding rail two is fixedly connected to a fixed ring frame, a pressure spring is arranged between the sliding rail two and the sliding block, and the upper end of the sliding block is fixedly connected with a knocking head.
Preferably, the feeding mechanism comprises a bevel gear II, the bevel gear II is meshed with the bevel gear ring, the bevel gear II is fixedly connected to a rotating shaft II, the rotating shaft II is rotationally connected to the box body through a connecting piece, the end part of the rotating shaft II is slidingly connected with a sliding sleeve II, a tension spring II is arranged between the sliding sleeve II and the rotating shaft II, a guide rod is rotationally connected to the sliding sleeve II, the upper end of the guide rod is abutted to the outer surface of the guide cylinder, the guide rod is slidingly connected to the connecting piece, and the guide cylinder is fixedly connected to the outer cylinder;
the feeding mechanism further comprises a rotation shaft seven, the rotation shaft seven is rotationally connected to the box body, a pair of end face ratchet wheels II are arranged between the rotation shaft six and the rotation shaft seven, one end face ratchet wheel II is fixedly connected to the sliding sleeve II, the other end face ratchet wheel II is fixedly connected to the rotation shaft seven, the rotation shaft seven is further connected with the screw shaft through a belt transmission assembly II, the screw shaft is rotationally connected to the conveying cylinder, the conveying cylinder is fixedly connected to the inner top surface of the box body, a discharging pipe is arranged at the tail end of the conveying cylinder, and a feeding pipe is arranged above the conveying cylinder.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the box body is divided by the partition plate to form two independent spaces in the box body, and the tail gas adsorption mechanisms in the two independent spaces sequentially work, so that when one tail gas adsorption mechanism changes the adsorbent, the other tail gas adsorption mechanism can still continuously carry out tail gas treatment, so that the tail gas purification work can be continuously carried out, and the time required by tail gas purification is reduced.
2. In the invention, through arranging the inner cylinder body, the outer cylinder body and the adsorbent arranged in the cavity between the inner cylinder body and the outer cylinder body, when in use, the tail gas is introduced into the inner cylinder body, and is dispersed from the exhaust holes on the surface of the inner cylinder body, purified by the adsorbent and then discharged from the exhaust holes on the outer cylinder body, so that the effect of purifying the tail gas is achieved, the contact area of the tail gas and the adsorbent is increased, and the adsorption efficiency of the tail gas is increased.
3. According to the invention, the knocking mechanism is arranged, so that the outer cylinder body can be knocked during discharging and adding the adsorbent, the discharging speed of the adsorbent can be increased, the added adsorbent becomes more compact, and the adsorption effect of the adsorbent on harmful gases in tail gas can be effectively enhanced.
4. According to the invention, through the feeding mechanism, the addition can be automatically stopped after a sufficient amount of adsorbent is added into the tail gas adsorption mechanism, so that the quantity of the adsorbent in the tail gas adsorption mechanism is ensured to be enough and not excessive, and the adsorption effect is ensured and the adsorbent is not wasted.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the case of the present invention;
FIG. 3 is a schematic diagram of the whole structure of the self-switching driving mechanism according to the present invention;
FIG. 4 is a schematic diagram of a transmission assembly and a switching assembly according to the present invention;
FIG. 5 is a schematic view of a rotating mechanism according to the present invention;
FIG. 6 is an enlarged partial schematic view of FIG. 5A;
FIG. 7 is a schematic diagram of an exhaust gas adsorbing mechanism according to the present invention;
FIG. 8 is a schematic view of the structure of the opening and closing mechanism of the present invention;
FIG. 9 is a schematic diagram of a feeding mechanism according to the present invention;
fig. 10 is a partially enlarged schematic view at B in fig. 9.
In the figure: 1. a case; 2. a partition plate; 3. a self-switching drive mechanism; 30. a driving motor; 31. a transmission assembly; 311. a spur gear I; 312. a first rotating shaft; 313. a first sliding sleeve; 314. an end face ratchet I; 315. a second rotating shaft; 316. bevel gear drive assembly; 317. a third rotating shaft; 32. a switching assembly; 321. the bracket is stirred; 322. actuating the bracket; 323. a tension spring I; 324. a spur gear II; 325. a first rack; 326. a first slide rail; 327. a triangular push plate; 328. a guide post; 329. a stop lever; 4. a rotating mechanism; 401. a fixed ring frame; 402. bevel gear ring; 403. bevel gears I; 404. a fourth rotating shaft; 405. a belt transmission assembly I; 406. a guide bracket; 5. a tail gas adsorption mechanism; 501. a first supporting plate; 502. an elastic support rod; 503. a second supporting plate; 504. a fixing seat; 505. a fixed bracket; 506. an inner cylinder; 507. an outer cylinder; 508. an exhaust hole; 509. a slideway; 6. an opening and closing mechanism; 601. a lower sealing plate; 602. an upper sealing plate; 603. an electric push rod I; 604. an electric push rod II; 605. a mounting bracket; 606. a hopper; 7. a knocking mechanism; 701. straight tooth gear ring; 702. a spur gear III; 703. a fifth rotating shaft; 704. an incomplete gear; 705. a second rack; 706. a slide block; 707. a second slide rail; 708. a pressure spring; 709. a knocking head; 8. a feeding mechanism; 801. bevel gears II; 802. a rotating shaft six; 803. a second sliding sleeve; 804. a tension spring II; 805. a guide rod; 806. a guide cylinder; 807. a rotation shaft seven; 808. an end face ratchet II; 809. a belt transmission assembly II; 810. a screw shaft; 811. a delivery cylinder; 812. a discharge pipe; 813. and (5) feeding a pipe.
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 are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1 to 10, the present invention provides a technical solution:
laboratory tail gas treatment system, including box 1, fixedly connected with baffle 2 in the box 1, be equipped with from switching actuating mechanism 3 on the surface of box 1, from switching actuating mechanism 3 links to each other with two slewing mechanism 4 of symmetry setting in box 1 inside, rotate on the bottom surface in box 1 and be connected with two tail gas adsorption units 5 of symmetry setting, tail gas adsorption unit 5 and slewing mechanism 4 sliding connection all are equipped with closing mechanism 6 on each tail gas adsorption unit 5, still be equipped with two in the box 1 and strike mechanism 7 and two feeding mechanism 8, each strike mechanism 7 and send each material mechanism 8 all to link to each other with homonymy slewing mechanism 4.
In this embodiment, the partition board 2 is used to partition the box 1 to form two independent spaces in the box 1, and the tail gas adsorption mechanisms 5 in the two independent spaces sequentially work, so that when one of the tail gas adsorption mechanisms 5 changes the adsorbent, the other tail gas adsorption mechanism 5 can still continue to perform the tail gas treatment.
In this embodiment, the self-switching driving mechanism 3 includes two symmetrically arranged connected transmission assemblies 31, wherein one transmission assembly 31 is connected with the driving motor 30, and a switching assembly 32 is further arranged between the two transmission assemblies 31.
In this embodiment, the two transmission assemblies 31 can respectively transmit power into two independent spaces to drive the mechanisms in the independent spaces to move, and the switching assembly 32 can make the two transmission assemblies 31 respectively in a disconnected and connected state and mutually switch, so that the effect of only replacing the adsorbent in a single space and alternately replacing the adsorbent in the two independent spaces is achieved.
In this embodiment, the transmission assembly 31 includes a first spur gear 311, the first spur gear 311 is meshed with two spur gears, the first spur gear 311 is fixedly connected to a first rotating shaft 312, the first rotating shaft 312 is rotatably connected to the case 1 through a connecting piece, one end of one rotating shaft 312 is connected to an output shaft of the driving motor 30, and the other end of the first rotating shaft 312 is slidably connected to a first sliding sleeve 313.
The transmission assembly 31 further comprises a pair of end face ratchet wheels I314, wherein one end face ratchet wheel I314 is fixedly connected to the sliding sleeve I313, the other end face ratchet wheel I314 is fixedly connected to one end of the second rotating shaft 315, the second rotating shaft 315 is rotatably connected to the box body 1, the other end of the second rotating shaft 315 is connected with the third rotating shaft 317 through the bevel gear transmission assembly 316, and the third rotating shaft 317 is rotatably connected to the box body 1.
In this embodiment, the switching assembly 32 includes a toggle bracket 321 and an actuating bracket 322, the toggle bracket 321 and the actuating bracket 322 are rotatably connected to the case 1, a tension spring one 323 is disposed between the toggle bracket 321 and the actuating bracket 322, and two ends of the toggle bracket 321 are slidably connected to two sliding sleeves one 313 respectively.
The switching component 32 further comprises a second spur gear 324 fixedly connected to the second rotating shaft 315, the second spur gear 324 is meshed with a first rack 325, the first rack 325 is slidably connected to a first slide rail 326, the first slide rail 326 is fixedly connected to the outer surface of the box body 1, two triangular push plates 327 with different heights are fixedly connected to the first rack 325, two guide posts 328 corresponding to the heights of the triangular push plates 327 are arranged on the actuating bracket 322, and stop rods 329 are further arranged on two sides of the actuating bracket 322.
In this embodiment, the two meshed spur gears 311 are used to reverse the rotation directions of the two rotation shafts 312, so that the rotation directions transmitted to the spur gears 311 are reversed, the rack 325 is driven by one spur gear 311 to move in one direction and finally change the connection state of the two pairs of end ratchet gears 314, and the rack 325 is driven by the other spur gear 311 to move and finally change the connection state of the two pairs of end ratchet gears 314 again, so that the rack 325 reciprocates back and forth and continuously transmits power. Rack one 325 is simultaneously engaged with only one spur gear two 324 and disengaged from the other spur gear two 324.
In this embodiment, the stop lever 329 is used to limit the rotation angle of the actuating bracket 322, so as to prevent the triangular push plate 327 from contacting the guide post 328 when moving due to the excessive rotation angle.
In this embodiment, the rotation mechanism 4 includes a fixed ring frame 401, the fixed ring frame 401 is fixedly connected to the inside of the box 1, a bevel gear ring 402 is rotatably connected to the fixed ring frame 401, the bevel gear ring 402 is meshed with a first bevel gear 403, the first bevel gear 403 is fixedly connected to a fourth rotation shaft 404, the fourth rotation shaft 404 is rotatably connected to the inside of the box 1, the fourth rotation shaft 404 is connected to a third rotation shaft 317 through a first belt transmission assembly 405, and two symmetrically arranged guide brackets 406 are fixedly connected to the inner wall of the bevel gear ring 402.
In this embodiment, the tail gas adsorption mechanism 5 includes a first supporting plate 501, the first supporting plate 501 is rotatably connected to the inner bottom surface of the case 1, four elastic supporting rods 502 which are uniformly arranged are fixedly connected to the first supporting plate 501, a second supporting plate 503 is fixedly connected to the second elastic supporting rods 502, a fixing seat 504 and a fixing support 505 are fixedly connected to the second supporting plate 503, an inner cylinder 506 is fixedly connected to the fixing seat 504, an outer cylinder 507 is fixedly connected to the fixing support 505, a plurality of exhaust holes 508 are formed in the inner cylinder 506 and the outer cylinder 507, two symmetric slide ways 509 are fixedly connected to the upper end of the outer cylinder 507, and the upper end of the guide support 406 is slidably connected to the slide ways 509.
In this embodiment, the guide support 406 cooperates with the slide 509, so that when the outer cylinder 507 moves up and down, the tail gas adsorption mechanism 5 can still rotate under the driving of the guide support 406, so as to ensure that the adsorbent added into the cavity between the inner cylinder 506 and the outer cylinder 507 is sufficiently uniform.
In this embodiment, an adsorbent is placed in the cavity between the inner cylinder 506 and the outer cylinder 507, a through hole is provided in the center of the fixing seat 504 to place a pipeline for conveying tail gas, the tail gas pipeline is connected to the inner cylinder 506, the tail gas is dispersed from the exhaust hole 508 on the surface of the inner cylinder 506, and after being purified by the adsorbent, the tail gas is discharged from the exhaust hole 508 on the outer cylinder 507, so as to achieve the effect of purifying the tail gas.
In this embodiment, the opening and closing mechanism 6 includes a lower sealing plate 601 and an upper sealing plate 602, the lower sealing plate 601 is fixedly connected to four electric push rods 603 which are uniformly arranged, the electric push rods 603 are fixedly connected to a second supporting plate 503, the upper sealing plate 602 is fixedly connected to an electric push rod 604, the electric push rod 604 is fixedly connected to a mounting bracket 605, the mounting bracket 605 is fixedly connected to a hopper 606, and the hopper 606 is fixedly connected to the upper end of the outer cylinder 507.
In this embodiment, the lower sealing plate 601 and the upper sealing plate 602 are used for sealing the upper and lower ends of the cavity between the inner cylinder 506 and the outer cylinder 507 to carry the adsorbent and prevent the exhaust gas from leaking from the upper and lower ends, and the upper surfaces of the lower sealing plate 601 and the upper sealing plate 602 have slopes to ensure that the adsorbent does not remain on the lower sealing plate 601 and the upper sealing plate 602.
In this embodiment, the knocking mechanism 7 includes a straight tooth gear ring 701, the straight tooth gear ring 701 is fixedly connected to the bevel tooth gear ring 402 through a connecting piece, the straight tooth gear ring 701 is meshed with a straight gear three 702, the straight gear three 702 is fixedly connected to a rotating shaft five 703, the rotating shaft five 703 is rotatably connected to a fixed ring frame 401, an incomplete gear 704 is fixedly connected to the rotating shaft five 703, the incomplete gear 704 is meshed with a rack two 705, the rack two 705 is fixedly connected to a slide block 706, the slide block 706 is slidably connected to a slide rail two 707, the slide rail two 707 is fixedly connected to the fixed ring frame 401, a pressure spring 708 is arranged between the slide rail two 707 and the slide block 706, and the knocking head 709 is fixedly connected to the upper end of the slide block 706.
In this embodiment, when the incomplete gear 704 is meshed with the second rack 705, the second rack 705 and the sliding block 706 slide under the driving of the rotating incomplete gear 704, so as to compress the compression spring 708, when the incomplete gear 704 is separated from the second rack 705, the sliding block 706 resets under the elastic force of the compression spring 708, the knocking head 709 fixedly connected thereto is quickly knocked on the outer cylinder 507, during discharging, the outflow of the adsorbent can be accelerated, during feeding, the filling of the adsorbent particles can be more compact, and meanwhile, the rotation of the outer cylinder 507 can also enable the effect to be better.
In this embodiment, the feeding mechanism 8 includes a second bevel gear 801, the second bevel gear 801 is meshed with the bevel gear ring 402, the second bevel gear 801 is fixedly connected to the sixth rotating shaft 802, the sixth rotating shaft 802 is rotationally connected to the box 1 through a connecting piece, a second sliding sleeve 803 is slidably connected to an end of the sixth rotating shaft 802, a second tension spring 804 is disposed between the second sliding sleeve 803 and the sixth rotating shaft 802, a guide rod 805 is rotationally connected to the second sliding sleeve 803, an upper end of the guide rod 805 abuts against an outer surface of the guide cylinder 806, and the guide cylinder 806 is fixedly connected to the outer cylinder 507. The guide bar 805 is slidably attached to the connector.
The feeding mechanism 8 further comprises a rotation shaft seven 807, the rotation shaft seven 807 is rotatably connected to the box body 1, a pair of end face ratchet wheels II 808 are arranged between the rotation shaft six 802 and the rotation shaft seven 807, one end face ratchet wheel II 808 is fixedly connected to the sliding sleeve II 803, the other end face ratchet wheel II 808 is fixedly connected to the rotation shaft seven 807, the rotation shaft seven 807 is further connected with a spiral shaft 810 through a belt transmission assembly II 809, the spiral shaft 810 is rotatably connected to a conveying cylinder 811, the conveying cylinder 811 is fixedly connected to the inner top surface of the box body 1, a discharging pipe 812 is arranged at the tail end of the conveying cylinder 811, and a feeding pipe 813 is arranged above the conveying cylinder 811.
In this embodiment, the weight of the adsorbent in the exhaust gas adsorbing mechanism 5 controls the height of the guiding cylinder 806, when the adsorbent flows out, the guiding cylinder 806 moves upwards to push the two end face ratchet wheels 808 to connect, so that the screw shaft 810 rotates, new adsorbent is fed, and when the newly added adsorbent reaches a certain weight, the guiding cylinder 806 moves downwards to separate the two end face ratchet wheels 808, so that the function of quantitatively adding the adsorbent is realized.
In this embodiment, the bottom of the tank 1 is provided with an opening for discharging the spent adsorbent and purified exhaust gas.
When the laboratory tail gas treatment system works, the working process is as follows:
firstly, tail gas is introduced into an inner cylinder 506 at one side for purification, after the adsorbent at the side fails, the tail gas is introduced into the inner cylinder 506 at the other side, at this time, a driving motor 30 is started, under the driving of two meshed straight gears 311, two rotating shafts 312 are reversely rotated, one rotating shaft 321 transmits power to a corresponding rotating shaft 315 through two clamped end face ratchet wheels 314, the rotating shaft 315 drives a rack 325 to slide on a sliding rail 306 through a straight gear 324, the rack 325 moves from the direction of a connected transmission assembly 31 to the direction of an unconnected transmission assembly 31, after the rack 325 slides for a certain distance, a triangular push plate 327 on the rack 325, which is close to the tail end in the moving direction, contacts a guide post 328 with the same height, and after the continuous movement, pushes a driving bracket 322 to rotate through the guide post 328, after the driving bracket 322 rotates for a certain angle, a pulling spring 323 pulls a stirring bracket 321 to rotate, and the stirring bracket 321 rotates to drive two sliding sleeves 313 connected with the driving bracket 314 to move, so that the two connected end face ratchet wheels 314 are separated, the separated end face ratchet wheels are connected, and the motor 314 is closed, and the driving motor 30 is turned off;
in the process, the second rotating shaft 315 transmits power to the third rotating shaft 317 through the bevel gear transmission assembly 316, the third rotating shaft 317 drives the fourth rotating shaft 404 and the first bevel gear 403 to rotate through the first belt transmission assembly 405, the first bevel gear 403 drives the bevel gear ring 402 meshed with the first bevel gear 403 to rotate, and the bevel gear ring 402 drives the tail gas adsorption mechanism 5 to rotate through the guide bracket 406;
the bevel gear ring 402 drives the straight gear ring 101 fixedly connected with the bevel gear ring 402 to rotate at the same time, the straight gear ring 101 drives the incomplete gear 704 to rotate through the third spur gear 702 and the fifth rotating shaft 703, when the incomplete gear 704 is meshed with the second rack 705, the second rack 705 and the sliding block 706 slide on the second slide rail 707 under the drive of the incomplete gear 704 to compress the pressure spring 708, when the incomplete gear 704 is separated from the second rack 705, the sliding block 706 is reset under the elastic force of the pressure spring 708, and the knocking head 709 fixedly connected with the sliding block is quickly knocked on the outer cylinder 507;
when the driving motor 30 is started, the lower sealing plate 601 moves downwards under the driving of the first electric push rod 603, so that the adsorbent flows out of the cavity between the inner cylinder 506 and the outer cylinder 507, the outflow of the adsorbent can be quickened by the knocking of the knocking head 709, after a period of time, the adsorbent flows out completely, the lower sealing plate 601 is reset, and the upper sealing plate 602 moves upwards under the driving of the second electric push rod 604 until the driving motor 30 is reset when stopped;
bevel gear ring 402 drives bevel gear two 801 meshed with it to rotate at the same time, bevel gear two 801 drives rotating shaft six 802 connected with it to rotate, rotating shaft six 802 drives sliding sleeve two 803 connected with it to rotate with end ratchet two 808, along with outflow of adsorbent, the pressure received by elastic support bar 502 becomes smaller and stretches gradually, drive the component connected with it to rise, guide cylinder 806 rises to drive guide bar 805 to move transversely on the connecting piece, drive sliding sleeve two 803 to overcome tension of tension spring two 804 to connect two end ratchet two 808, then rotating shaft six 802 drives rotating shaft seven 807 to rotate, rotating shaft seven 807 drives spiral shaft 810 to rotate through belt transmission assembly two 809, new adsorbent is conveyed into discharging pipe 812 and falls into hopper 606, and is accumulated on upper seal plate 602;
when the upper sealing plate 602 is opened, all the adsorbent falls into the cavity between the inner cylinder 506 and the outer cylinder 507, and as the tail gas adsorption mechanism 5 rotates, the adsorbent between the inner cylinder 506 and the outer cylinder 507 can be uniformly added, and the adsorbent particles become more compact under the continuous knocking of the knocking head 709, after the added adsorbent reaches a certain weight, the guide cylinder 806 moves downwards by a certain height, the sliding sleeve II 803 resets under the action of the tension spring II 804, so that the two end face ratchet wheels II 808 are separated, the spiral shaft 810 stops rotating, and the adsorbent stops adding;
when the adsorbent at the other side fails, the tail gas inlet position is switched, so that the tail gas can be continuously purified. The drive motor 30 is restarted and the corresponding mechanism is controlled to operate as described above to replace the spent adsorbent.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. Laboratory tail gas treatment system, including box (1), its characterized in that: the automatic switching device is characterized in that a partition plate (2) is fixedly connected in the box body (1), a self-switching driving mechanism (3) is arranged on the outer surface of the box body (1), the self-switching driving mechanism (3) is connected with two rotating mechanisms (4) symmetrically arranged in the box body (1), two tail gas adsorption mechanisms (5) symmetrically arranged are rotationally connected on the inner bottom surface of the box body (1), the tail gas adsorption mechanisms (5) are in sliding connection with the rotating mechanisms (4), opening and closing mechanisms (6) are arranged on each tail gas adsorption mechanism (5), two knocking mechanisms (7) and two feeding mechanisms (8) are further arranged in the box body (1), and each knocking mechanism (7) and each feeding mechanism (8) are connected with the rotating mechanism (4) on the same side;
the self-switching driving mechanism (3) comprises two symmetrically arranged connected transmission assemblies (31), wherein one transmission assembly (31) is connected with a driving motor (30), and a switching assembly (32) is arranged between the two transmission assemblies (31);
the transmission assembly (31) comprises a first spur gear (311), the two first spur gears (311) are meshed, the first spur gear (311) is fixedly connected to a first rotating shaft (312), the first rotating shaft (312) is rotationally connected to the box body (1), one end of one first rotating shaft (312) is connected with an output shaft of the driving motor (30), and the other end of the first rotating shaft (312) is slidingly connected with a first sliding sleeve (313);
the transmission assembly (31) further comprises a pair of end face ratchet wheels I (314), wherein one end face ratchet wheel I (314) is fixedly connected to the sliding sleeve I (313), the other end face ratchet wheel I (314) is fixedly connected to one end of a rotating shaft II (315), the rotating shaft II (315) is rotationally connected to the box body (1), the other end of the rotating shaft II (315) is connected with a rotating shaft III (317) through a bevel gear transmission assembly (316), and the rotating shaft III (317) is rotationally connected to the box body (1);
the switching assembly (32) comprises a stirring support (321) and a driving support (322), the stirring support (321) and the driving support (322) are rotatably connected to the box body (1), a tension spring I (323) is arranged between the stirring support (321) and the driving support (322), and two ends of the stirring support (321) are respectively connected with two sliding sleeves I (313) in a sliding mode;
the switching assembly (32) further comprises a second spur gear (324) fixedly connected to the second rotating shaft (315), the two second spur gears (324) are meshed with a first rack (325), the first rack (325) is slidably connected to a first slide rail (326), the first slide rail (326) is fixedly connected to the outer surface of the box body (1), two triangular push plates (327) with different heights are fixedly connected to the first rack (325), two guide posts (328) corresponding to the heights of the triangular push plates (327) are arranged on the actuating bracket (322), and stop rods (329) are further arranged on two sides of the actuating bracket (322);
the rotating mechanism (4) comprises a fixed ring frame (401), the fixed ring frame (401) is fixedly connected to the inside of the box body (1), a bevel gear ring (402) is rotatably connected to the fixed ring frame (401), the bevel gear ring (402) is meshed with a bevel gear I (403), the bevel gear I (403) is fixedly connected to a rotating shaft IV (404), the rotating shaft IV (404) is rotatably connected to the inside of the box body (1), the rotating shaft IV (404) is connected with a rotating shaft III (317) through a belt transmission assembly IV (405), and two symmetrically arranged guide brackets (406) are fixedly connected to the inner wall of the bevel gear ring (402).
2. The laboratory exhaust treatment system according to claim 1, wherein: the tail gas adsorption mechanism (5) comprises a first supporting plate (501), the first supporting plate (501) is rotationally connected to the inner bottom surface of the box body (1), four elastic supporting rods (502) which are uniformly arranged are fixedly connected to the first supporting plate (501), a second supporting plate (503) is fixedly connected to the first elastic supporting rods (502), a fixing seat (504) and a fixing support (505) are fixedly connected to the second supporting plate (503), an inner cylinder body (506) is fixedly connected to the fixing support (504), an outer cylinder body (507) is fixedly connected to the fixing support (505), a plurality of exhaust holes (508) are formed in the inner cylinder body (506) and the outer cylinder body (507), two slide ways (509) which are symmetrically arranged are fixedly connected to the upper end of the outer cylinder body (507), and the upper end of the guide support (406) is slidably connected with the slide way (509).
3. The laboratory exhaust treatment system according to claim 2, wherein: opening/closing mechanism (6) include down shrouding (601) and last shrouding (602), down shrouding (601) fixed connection is on four electric putter one (603) of even setting, electric putter one (603) fixed connection is on backup pad two (503), go up shrouding (602) fixed connection on electric putter two (604), electric putter two (604) fixed connection is on installing support (605), installing support (605) fixed connection is on hopper (606), hopper (606) fixed connection is in the upper end of urceolus body (507).
4. A laboratory exhaust treatment system according to claim 3, wherein: the knocking mechanism (7) comprises a straight tooth gear ring (701), the straight tooth gear ring (701) is fixedly connected to the bevel tooth gear ring (402), the straight tooth gear ring (701) is meshed with a straight gear III (702), the straight gear III (702) is fixedly connected to a rotating shaft V (703), the rotating shaft V (703) is rotationally connected to a fixed ring frame (401), an incomplete gear (704) is fixedly connected to the rotating shaft V (703), the incomplete gear (704) is meshed with a rack II (705), the rack II (705) is fixedly connected to a sliding block (706), the sliding block (706) is slidingly connected to a sliding rail II (707), the sliding rail II (707) is fixedly connected to the fixed ring frame (401), a pressure spring (708) is arranged between the sliding rail II (707) and the sliding block (706), and the upper end of the sliding block (706) is fixedly connected with a knocking head (709).
5. The laboratory exhaust treatment system according to claim 4, wherein: the feeding mechanism (8) comprises a bevel gear II (801), the bevel gear II (801) is meshed with a bevel gear ring (402), the bevel gear II (801) is fixedly connected to a rotating shaft six (802), the rotating shaft six (802) is rotationally connected to a box body (1) through a connecting piece, the end part of the rotating shaft six (802) is slidably connected with a sliding sleeve II (803), a tension spring II (804) is arranged between the sliding sleeve II (803) and the rotating shaft six (802), a guide rod (805) is rotationally connected to the sliding sleeve II (803), the upper end of the guide rod (805) is abutted to the outer surface of a guide cylinder (806), the guide rod (805) is slidably connected to the connecting piece, and the guide cylinder (806) is fixedly connected to an outer cylinder body (507);
the feeding mechanism (8) further comprises a rotating shaft seven (807), the rotating shaft seven (807) is rotationally connected to the box body (1), a pair of end face ratchet wheels II (808) are arranged between the rotating shaft six (802) and the rotating shaft seven (807), one end face ratchet wheel II (808) is fixedly connected to the sliding sleeve II (803), the other end face ratchet wheel II (808) is fixedly connected to the rotating shaft seven (807), the rotating shaft seven (807) is further connected with a spiral shaft (810) through a belt transmission assembly II (809), the spiral shaft (810) is rotationally connected to a conveying cylinder (811), the conveying cylinder (811) is fixedly connected to the inner top surface of the box body (1), a discharging pipe (812) is arranged at the tail end of the conveying cylinder (811), and a feeding pipe (813) is arranged above the conveying cylinder (811).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311720187.8A CN117398809B (en) | 2023-12-14 | 2023-12-14 | Laboratory tail gas treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311720187.8A CN117398809B (en) | 2023-12-14 | 2023-12-14 | Laboratory tail gas treatment system |
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| CN117398809A CN117398809A (en) | 2024-01-16 |
| CN117398809B true CN117398809B (en) | 2024-02-09 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111939666A (en) * | 2020-09-11 | 2020-11-17 | 溧阳市苏菱机电有限公司 | Vibrating type dust remover and using method thereof |
| CN112426846A (en) * | 2020-11-30 | 2021-03-02 | 安徽净工坊环保科技有限公司 | Laboratory VOCs treatment device and treatment method thereof |
| CN113731042A (en) * | 2021-09-18 | 2021-12-03 | 江苏乾云环保工程有限公司 | Exhaust gas treatment system for shipbuilding |
| KR20230119342A (en) * | 2022-02-07 | 2023-08-16 | 엽정화 | Hazardous exhaust gas wet purification device with filtration rotary filter |
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- 2023-12-14 CN CN202311720187.8A patent/CN117398809B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111939666A (en) * | 2020-09-11 | 2020-11-17 | 溧阳市苏菱机电有限公司 | Vibrating type dust remover and using method thereof |
| CN112426846A (en) * | 2020-11-30 | 2021-03-02 | 安徽净工坊环保科技有限公司 | Laboratory VOCs treatment device and treatment method thereof |
| CN113731042A (en) * | 2021-09-18 | 2021-12-03 | 江苏乾云环保工程有限公司 | Exhaust gas treatment system for shipbuilding |
| KR20230119342A (en) * | 2022-02-07 | 2023-08-16 | 엽정화 | Hazardous exhaust gas wet purification device with filtration rotary filter |
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