CN118320599B - Waste gas treatment device and method - Google Patents
Waste gas treatment device and method Download PDFInfo
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- CN118320599B CN118320599B CN202410756162.1A CN202410756162A CN118320599B CN 118320599 B CN118320599 B CN 118320599B CN 202410756162 A CN202410756162 A CN 202410756162A CN 118320599 B CN118320599 B CN 118320599B
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- sliding rod
- gas treatment
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- 239000002912 waste gas Substances 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000945 filler Substances 0.000 claims abstract description 118
- 238000012856 packing Methods 0.000 claims abstract description 101
- 239000007921 spray Substances 0.000 claims abstract description 67
- 238000007599 discharging Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 239000007789 gas Substances 0.000 claims description 41
- 239000007788 liquid Substances 0.000 claims description 27
- 238000010521 absorption reaction Methods 0.000 claims description 17
- 238000005507 spraying Methods 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 8
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 239000013049 sediment Substances 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Gas Separation By Absorption (AREA)
Abstract
The invention relates to the technical field of waste gas treatment, in particular to a waste gas treatment device and a waste gas treatment method, wherein the waste gas treatment device comprises a spray tower and a packing layer, a discharging pipe is arranged in the inner cavity of the spray tower, a discharging opening is arranged in the circumferential direction of the discharging pipe, the packing layer comprises a sector-shaped packing frame with the same central angle, the bottom of the packing frame is provided with a reticular door body, the top of the packing frame is provided with a sliding rod, a flexible reticular layer is connected between the side frame I and the sliding rod, and the waste gas treatment device is provided with a driving component I for driving the reticular door body to open and close and a driving component II for driving the sliding rod to slide along the inner arc frame and the outer arc frame. The waste gas treatment device and the waste gas treatment method enable the filler balls positioned above to continue to play a role, so that the cost is saved, the positions of the filler balls on the upper layer are changed, the problem that a single path for waste gas circulation is blocked, and the subsequent waste gas treatment efficiency is affected is avoided, the surfaces of the filler balls are fully utilized, the service lives of the filler balls are prolonged, and the waste gas treatment is not required to be stopped.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a waste gas treatment device and a waste gas treatment method.
Background
Harmful gases in the exhaust gas such as sulfur dioxide, nitrogen oxides, volatile organic compounds, particulate matters and the like can have serious influence on human health, and the emission of the harmful gases into the atmosphere can aggravate the environmental problems such as acid rain formation, photochemical smog events, greenhouse effect and the like, so that the treatment of the harmful gases in the exhaust gas is particularly important.
The Chinese patent application with the publication number of CN115364638A discloses a laboratory waste gas treatment system, which comprises a spray tower, wherein the bottom of the spray tower is communicated with a liquid medicine box, the inner cavity of the spray tower is sequentially provided with a demister, a circulating spray system and a packing layer from top to bottom, and the bottom and the top of the spray tower are respectively communicated with an air inlet pipe and an air outlet pipe; the packing layer comprises a main mesh plate obliquely erected in the spray tower and a plurality of packing balls arranged on the main mesh plate; the spray tower is also communicated with a discharging pipe, the inclined lower end of the main mesh plate is arranged opposite to the discharging pipe, the outer peripheral side of the main mesh plate is abutted to the inner peripheral side of the spray tower, and the spray tower is also provided with a driving assembly for driving the main mesh plate to lift.
According to the technical scheme, the main mesh plate is obliquely arranged, the inclined lower end of the main mesh plate is opposite to the discharge pipe, and after the main sealing plate is opened, the filling balls on the main mesh plate can slide out of the discharge pipe through gravity, so that the filling balls can be replaced conveniently. However, in the actual working process, the waste gas passes through the packing layer from the lower part of the packing layer to the upper part, the packing balls at the bottom of the packing layer are easily covered or blocked by pollutants, and the packing balls at the top of the packing layer are relatively clean; in addition, the packing balls in the technical scheme are statically stacked on the packing layer, the paths of gaps between the packing balls through which waste gas and liquid medicine flow are single, and when the gaps between the packing balls are blocked by particles or sediments, gas-liquid flow is blocked, so that the treatment efficiency of the waste gas is affected.
Accordingly, there is a need in the art for an exhaust treatment device and method that addresses the above-described problems.
Disclosure of Invention
The invention provides an exhaust gas treatment device and an exhaust gas treatment method, and aims to solve the problems that when filling balls are replaced by the exhaust gas treatment device in the related art, waste is caused by the fact that the waste is required to be replaced by all filling balls, the positions of the filling balls are fixed, and when gaps among the filling balls are blocked, the exhaust gas treatment efficiency is affected.
The invention relates to an exhaust gas treatment device which comprises a spray tower, wherein a demister, a spray system and a packing layer are sequentially arranged in the inner cavity of the spray tower from top to bottom, an air inlet is formed in the bottom of the spray tower, an air outlet is formed in the top of the spray tower, a blanking pipe is arranged in the center of the inner cavity of the spray tower, a blanking opening is formed in the circumferential direction of the blanking pipe, the blanking opening is positioned above the packing layer, the packing layer comprises at least two fan-shaped packing frames with the same central angles, packing balls positioned in the packing frames and above the packing frames, the packing frames comprise an inner arc frame, an outer arc frame, a side frame I and a side frame II, the packing frames are sequentially arranged along the periphery of the blanking pipe and are fixed on the blanking pipe, and the sum of the central angles of the packing frames is equal to 360 degrees;
The bottom of the packing frame is provided with a reticular door body, the top of the packing frame is provided with a sliding rod, two ends of the sliding rod are respectively connected with the inner arc frame and the outer arc frame in a sliding way, a flexible reticular layer is connected between the side frame I and the sliding rod, and the packing balls are filled above the reticular layer and between the reticular layer and the reticular door body;
the waste gas treatment device is provided with a first driving component for driving the reticular door body to open and close and a second driving component for driving the sliding rod to slide along the inner arc frame and the outer arc frame.
The beneficial effects are that: according to the invention, the filler balls positioned at the lowest part are replaced, so that the filler balls positioned at the upper part continue to play a role, and the cost is saved; when the upper filler balls fall into the filler frame, the positions of the filler balls are changed, so that the flow paths of the waste gas and the waste gas absorption liquid are changed, and the problem that the single paths of the waste gas and the waste gas absorption liquid are blocked to influence the subsequent waste gas treatment efficiency is avoided; after the filler balls move, the contact positions of the supplied gas and the liquid are changed, so that the surfaces of the filler balls are fully utilized, and the service life of the filler balls is prolonged; when the filler balls in the filler layer are placed down, new filler balls are continuously added above the filler layer through the blanking pipe, so that the thickness of the filler layer is ensured, and the waste gas treatment effect is ensured without stopping waste gas treatment.
Preferably, the two net-shaped door bodies are in a fan ring shape and are symmetrically arranged, the two net-shaped door bodies are respectively and pivotally connected with the side frame I and the side frame II, and the pivot shafts of the two net-shaped door bodies are respectively and fixedly connected with the gear I; the outer arc frame is provided with a limiting part, the first driving assembly comprises a circular ring connected with the spray tower in a rotating mode and a first driving part for driving the circular ring to rotate, the outer arc frame is attached to the inner wall of the circular ring, racks corresponding to the first two gears respectively and a second driving part matched with the limiting part are arranged on the circular ring, when the second driving part contacts with the limiting part, the limiting part is driven to cancel limiting of the mesh door body, and when the two racks contact with the corresponding first gears simultaneously, the first driving gear drives the corresponding mesh door body to rotate upwards to be closed, and the limiting part limits the rotation of the mesh door body again.
Preferably, the limiting piece comprises a sliding rod, limiting blocks and fixed blocks, wherein the limiting blocks and the fixed blocks are fixed at two ends of the sliding rod, the sliding rod is in sliding fit with the outer arc frame along the radial direction of the packing frame, the sliding rod is elastically connected with the outer arc frame, and the bottom of the limiting block is provided with a first inclined wedge surface; the driving piece II comprises an inclined wedge block fixed on the circular ring, an avoidance space for the fixed block to pass through is reserved between the inclined wedge block and the circular ring, when the inclined wedge block is contacted with the fixed block, the fixed block is pulled to drive the limiting block to move in the direction away from the mesh door body, limiting of the mesh door body is canceled, when the mesh door body rotates upwards to contact with the inclined wedge surface, the inclined wedge surface is extruded to drive the limiting block to move in the direction away from the mesh door body, and when the mesh door body passes over the limiting block, the limiting block pops out and resets in the direction close to the mesh door body.
The beneficial effects are that: according to the invention, the inclined wedge block is arranged on the circular ring, and in the process of rotating the circular ring, the inclined wedge block contacts the fixed block and drives the limiting block to move in the direction away from the mesh door body, so that the mesh door body is opened, the structure is simple, the matching is ingenious, and the production cost is reduced.
Preferably, one side of the inner arc frame and one side of the outer arc frame, which face each other, are respectively provided with an arc chute, two ends of the sliding rod are respectively and slidably connected in the corresponding arc chute, one end, close to the circular ring, of the sliding rod is inserted with a spring block, the spring block is elastically connected with the sliding rod, and the spring block is provided with a wedge surface II;
The driving assembly II comprises a spring and a stop block, the spring is arranged along an arc-shaped chute of the inner arc frame and connected with the sliding rod, the spring extrudes the sliding rod to be attached to the side frame II, the stop block is fixed to the circular ring, and when the stop block contacts with the inclined wedge surface II, the spring block is pushed to drive the sliding rod to move towards the direction close to the side frame I.
Preferably, the first driving piece comprises a first driving motor arranged on the spray tower and a second gear fixed at an output end of the first driving motor, a gear ring meshed with the second gear is arranged on the periphery of the circular ring, and the first driving motor drives the second gear to drive the gear ring and the circular ring to rotate.
Preferably, the inner side of the circular ring is connected with a deflector rod corresponding to the filler frame, the outer arc frame is provided with a wavy guide groove, the deflector rod is vertically and slidably connected with the circular ring, the deflector rod penetrates through the guide groove to extend to be in contact with the inner arc frame, and the circular ring drives the deflector rod to move along the guide groove when rotating.
The beneficial effects are that: the stirring rod stirs the filling balls in the filling frame, so that the positions of the filling balls and the gas-liquid circulation path are changed, the gas-liquid combination is promoted, the waste gas treatment efficiency is improved, the surfaces of the filling balls are fully utilized, and the service life of the filling balls is prolonged.
Preferably, the top of ring is provided with the water storage ring of installing in the spray column inner wall, the water storage ring is inside to be formed with the water storage chamber, the water storage ring intercommunication has the water injection pipe, the inner wall of water storage ring is equipped with the swivel becket of being connected with the water storage ring rotation, and the inner wall of swivel becket is connected with the spray pipe that extends to the packing frame top, the hole for water spraying has been seted up to the bottom of spray pipe, spray pipe and water storage chamber intercommunication, and with ring fixed connection, the drive spray pipe rotates in packing layer top when the ring rotates.
The beneficial effects are that: when the ring rotates, the water spraying pipe is driven to rotate above the packing layer, high-pressure flushing is carried out on the packing balls, partial particles or sediments between the packing balls and on the surfaces of the packing balls are flushed, and the service life of the packing balls is prolonged.
Preferably, the periphery of the water spraying pipe is provided with a protective net cover.
Preferably, a second driving motor is installed in the discharging pipe, the output end of the second driving motor is fixedly connected with a guide disc, the top of the guide disc is provided with a conical surface, the periphery of the guide disc is fixedly connected with a sleeve, the outer peripheral surface of the sleeve is attached to the inner wall of the discharging pipe, a discharging hole is formed in the sleeve, the second driving motor drives the guide disc and the sleeve to rotate in the process, and the discharging hole is communicated with the discharging hole on the discharging pipe in a corresponding mode.
The beneficial effects are that: when a certain filling frame is used for replacing filling balls, the guide disc is driven to rotate by the driving motor II, so that a discharge hole on the sleeve corresponds to a discharge hole corresponding to the upper part of the filling frame, a new filling ball is added to the upper part of the filling frame, the thickness of a filling layer after the filling balls are replaced is basically kept unchanged, and the treatment effect on waste gas is ensured.
In another aspect, the present invention also provides an exhaust gas treatment method using the exhaust gas treatment device according to any one of the above preferred technical solutions, the exhaust gas treatment method comprising the steps of:
Introducing the waste gas into the spray tower through the air inlet, controlling the spray system to spray the waste gas absorption liquid downwards, enabling the waste gas to enter the packing layer upwards, spraying the waste gas absorption liquid onto the surface of the packing ball, enabling the waste gas absorption liquid to flow downwards, enabling the waste gas absorption liquid to fully contact and react with the waste gas rising in the packing layer, and purifying harmful gas in the waste gas;
After the waste gas is purified for a set period of time, discharging the filling balls above the filling layer through a discharging pipe, and simultaneously controlling a driving assembly to drive a net-shaped door body below the filling frame to be opened so that the filling balls in the filling frame fall out, and then driving the net-shaped door body to be closed;
The second driving assembly is controlled to drive the sliding rod to move towards the direction close to the first side frame, so that the filler balls above the filler frames drop into the filler frames, and then the sliding rod is driven to move towards the direction close to the second side frame, so that the net layer separates the filler balls in the filler frames from the filler balls above the filler frames, and replacement of the filler balls is realized.
The beneficial effects of the invention are as follows:
(1) When the filler balls need to be replaced, the filler balls are discharged to the upper part of the filler layer through a discharging pipe, and meanwhile, the driving assembly I is controlled to drive the net-shaped door body below the filler frame to be opened, so that the filler balls in the filler frame fall out, and then the net-shaped door body is driven to be closed; the second driving component is controlled to drive the sliding rod to move towards the direction close to the first side frame, so that the filler balls above the filler frames fall into the filler frames, and then the sliding rod is driven to move towards the direction close to the second side frame, so that the net layer separates the filler balls in the filler frames from the filler balls above the filler frames, and the replacement of the filler balls is completed; because the filler balls in the filler frame are positioned at the lowest part of the filler layer, waste gas passes through the filler layer from bottom to top, and gaps among the filler balls positioned at the lower part are easily blocked by particles or sediments at first;
(2) When the upper filler balls fall into the filler frame, the positions of the filler balls are changed, so that the flow paths of the waste gas and the waste gas absorption liquid are changed, and the problem that the single paths of the waste gas and the waste gas absorption liquid are blocked to influence the subsequent waste gas treatment efficiency is avoided;
(3) After the filler balls move, the contact positions of the supplied gas and the liquid are changed, so that the surfaces of the filler balls are fully utilized, and the service life of the filler balls is prolonged;
(4) When the filler balls in the filler layer are placed down, new filler balls are continuously added above the filler layer through the blanking pipe, so that the thickness of the filler layer is ensured, and the waste gas treatment effect is ensured without stopping waste gas treatment.
Drawings
Fig. 1 is a schematic view showing the overall structure of an exhaust gas treatment device according to the present invention.
Fig. 2 is a cross-sectional view of an exhaust gas treatment device of the present invention.
FIG. 3 is a schematic view showing the assembly of a blanking pipe and a packing box of an exhaust gas treatment apparatus according to the present invention.
Fig. 4 is a schematic structural view of a packing box of an exhaust gas treatment device according to the present invention.
Fig. 5 is a schematic diagram of a packing box of an exhaust gas treatment device according to a second embodiment of the present invention.
Fig. 6 is a partial enlarged view of a portion a in fig. 5.
Fig. 7 is a partial enlarged view of a portion B in fig. 5.
Fig. 8 is a state diagram of an exhaust gas treatment device according to the present invention when a mesh door body is opened.
Fig. 9 is a schematic view of a part of a ring and packing box of an exhaust gas treatment device of the present invention.
Fig. 10 is a partial enlarged view of a portion C in fig. 9.
FIG. 11 is a schematic view showing a blanking pipe and a partial structure of the blanking pipe of an exhaust gas treating apparatus according to the present invention.
FIG. 12 is a schematic view of the water storage ring, water spray pipe and ring of an exhaust gas treatment device according to the present invention.
Reference numerals:
1. A spray tower; 11. an air inlet; 12. an air outlet; 13. a discharge port; 2. a spraying system; 3. discharging pipes; 31. a feed opening; 32. a second driving motor; 33. a guide disc; 331. a conical surface; 34. a sleeve; 341. a discharge port; 4. a filler frame; 41. an inner arc frame; 42. an outer arc frame; 421. a guide groove; 43. a side frame I; 44. a second side frame; 45. an arc chute; 5. a mesh door body; 51. a first gear; 6. a slide bar; 61. a mesh layer; 62. a spring block; 621. wedge surface two; 7. a slide bar; 71. a limiting block; 711. wedge surface I; 72. a fixed block; 8. a circular ring; 80. driving a first motor; 81. a second gear; 82. a gear ring; 83. a rack; 84. wedge block; 85. a stop block; 86. a deflector rod; 9. a water storage ring; 91. a water injection pipe; 92. a rotating ring; 93. a water spray pipe; 94. and protecting the net cover.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 12, an exhaust gas treatment device of the present invention includes a spray tower 1, and a demister (not shown in the drawings), a spray system 2 and a packing layer are sequentially disposed in an inner cavity of the spray tower 1 from top to bottom. The bottom of the spray tower 1 is provided with an air inlet 11, the top of the spray tower 1 is provided with an air outlet 12, the center of the inner cavity of the spray tower 1 is provided with a blanking pipe 3, a feeding hole of the blanking pipe 3 is positioned on the side wall of the spray tower 1, four blanking holes 31 are formed in the circumferential direction of the blanking pipe 3, and the blanking holes 31 are positioned above the packing layer.
The packing layer comprises four sector-shaped packing boxes 4 with the same central angles, and packing balls (not shown in the figure) positioned in the packing boxes 4 and above the packing boxes 4. The four packing boxes 4 have the same structure, and the packing boxes 4 comprise an inner arc frame 41, an outer arc frame 42, a side frame one 43 and a side frame two 44. The packing boxes 4 are sequentially arranged along the periphery of the blanking pipe 3, the inner arc frames 41 of the packing boxes 4 are attached to the periphery of the blanking pipe 3 and fixed to the blanking pipe 3, and the periphery of the outer arc frames 42 and the inner wall of the spray tower 1 are located on the same curved surface. The four filling frames 4 are positioned on the same plane, and the sum of the central angles of the four filling frames 4 is equal to 360 degrees.
Two meshed door bodies 5 which are in a fan ring shape are symmetrically arranged at the bottom of the packing frame 4, and sliding rods 6 are arranged at the top of the packing frame 4. The inner arc frame 41 and the outer arc frame 42 are respectively provided with an arc chute 45 on one side facing each other, and two ends of the sliding rod 6 are respectively and slidably connected in the corresponding arc chute 45. A flexible mesh layer 61 is connected between the side frame one 43 and the sliding rod 6, and a filler ball is filled above the mesh layer 61 and between the mesh layer 61 and the mesh door body 5. As an example, mesh layer 61 is a mesh cloth having a larger mesh, but the filler balls cannot pass through the mesh. The waste gas treatment device is provided with a first driving component for driving the reticular door body 5 to open and close and a second driving component for driving the sliding rod 6 to slide along the inner arc frame 41 and the outer arc frame 42.
When the filler balls need to be replaced, the filler balls are discharged to the upper part of the filler layer through the discharging pipe 3, and meanwhile, the driving assembly I is controlled to drive the reticular gate body 5 below the filler frame 4 to be opened, so that the filler balls in the filler frame 4 fall out, and then the reticular gate body 5 is driven to be closed; the second driving component is controlled to drive the sliding rod 6 to move towards the direction close to the first side frame 43, so that the filler balls above the filler frame 4 fall into the filler frame 4, and then the sliding rod 6 is driven to move towards the direction close to the second side frame 44, so that the net layer 61 separates the filler balls in the filler frame 4 from the filler balls above the filler frame 4, and replacement of the filler balls is completed.
Because the filler balls in the filler frame 4 are positioned at the lowest part of the filler layer, waste gas passes through the filler layer from bottom to top, and gaps among the filler balls positioned at the lower part are easy to be blocked by particles or sediments at first; when the upper filler balls fall into the filler frame 4, the positions of the filler balls are changed, so that the flow paths of the waste gas and the waste gas absorption liquid are changed, and the problem that the single paths of the waste gas and the waste gas absorption liquid are blocked to influence the subsequent waste gas treatment efficiency is avoided; after the filler balls move, the contact positions of the supplied gas and the liquid are changed, so that the surfaces of the filler balls are fully utilized, and the service life of the filler balls is prolonged; in addition, when the filler balls in the filler layer are placed, new filler balls are continuously added above the filler layer through the blanking pipe 3, so that the thickness of the filler layer is ensured, and the waste gas treatment effect is ensured without stopping waste gas treatment.
The two net-shaped door bodies 5 are respectively and pivotally connected with the side frames one 43 and two 44, and the pivot shafts of the two net-shaped door bodies 5 are respectively and fixedly connected with the gears one 51. The outer arc frame 42 is provided with a limiting piece, and the limiting piece comprises a slide bar 7, and a limiting block 71 and a fixed block 72 which are fixed at two ends of the slide bar 7. The slide bar 7 is in sliding fit with the outer arc frame 42 along the radial direction of the packing frame 4, a spring is sleeved outside the slide bar 7, and two ends of the spring are respectively propped against the outer arc frame 42 and the limiting block 71. The bottom of the limiting block 71 is provided with a wedge surface 711. When the spring is not acted by external force, the limiting block 71 is positioned below the reticular door bodies 5 to limit the reticular door bodies 5, so that the two reticular door bodies 5 are kept in a closed state.
The first driving component comprises a circular ring 8 which is rotationally connected with the spray tower 1 and a first driving piece which drives the circular ring 8 to rotate. The first driving part comprises a first driving motor 80 arranged on the outer side of the spray tower 1 and a second gear 81 fixed at the output end of the first driving motor 80. The periphery of the circular ring 8 is provided with a gear ring 82 meshed with the gear II 81, and the driving motor I80 drives the gear II 81 to drive the gear ring 82 and the circular ring 8 to rotate.
The outer periphery of the outer arc frame 42 is attached to the inner wall of the circular ring 8, and a rack 83 corresponding to the first two gears 51 and a second driving member matched with the limiting member are fixed on the circular ring 8. The driving part II comprises a wedge block 84 fixed on the circular ring 8, and a clearance space for the fixed block 72 to pass through is reserved between the wedge block 84 and the circular ring 8. In the process of rotating the ring 8, the inclined wedge surface of the inclined wedge block 84 is in contact with the fixed block 72, and the fixed block 72 is pulled by the inclined wedge surface to drive the limiting block 71 to move in the direction away from the mesh door body 5, so that the limiting of the mesh door body 5 is canceled. The reticular gate body 5 is opened downwards under the action of self gravity and the gravity of the filler balls, the filler balls in the filler frame 4 fall to the bottom of the spray tower 1, the bottom of the spray tower 1 is provided with a discharge port 13, and the filler balls falling to the bottom are discharged from the discharge port 13. As the ring 8 continues to rotate, the fixed block 72 passes through the escape space between the tapered wedge 84 and the ring 8 and is disengaged from the tapered wedge 84, and the spring rebound between the stopper 71 and the outer arc frame 42 resets the stopper 71 and the fixed block 72.
Along with the continuous rotation of the circular ring 8, the two racks 83 are respectively contacted with the corresponding first gears 51 at the same time, and along with the rotation of the circular ring 8, the first gears 51 are driven to drive the corresponding mesh door body 5 to rotate upwards, when the mesh door body 5 rotates upwards to contact with the first wedge surface 711 of the limiting block 71, the first wedge surface 711 is extruded to drive the limiting block 71 to move in a direction away from the mesh door body 5, and when the mesh door body 5 passes over the limiting block 71, the limiting block 71 pops up and resets in a direction close to the mesh door body 5, limiting is formed on the mesh door body 5 again, and the mesh door body 5 is kept in a closed state. It should be noted that, the centers of the two first gears 51 are different from the center of the packing frame 4, and the two racks 83 can only engage with the corresponding first gears 51.
The sliding rod 6 is inserted with a spring block 62 near one end of the ring 8, the spring block 62 is elastically connected with the sliding rod 6, and the spring block 62 is provided with a wedge surface two 621. The second driving component comprises a spring (not shown in the figure) and a stop block 85, the spring is arranged along the arc chute 45 of the inner arc frame 41 and is connected with the sliding rod 6, and the spring presses the sliding rod 6 to be attached to the second side frame 44. The stopper 85 is fixed to the ring 8.
After the mesh door body 5 is closed, in the process that the circular ring 8 continues to rotate, the stop block 85 contacts with the inclined wedge surface two 621 on the elastic block 62, and pushes the elastic block 62 to drive the sliding rod 6 to move towards the direction close to the side frame one 43, so that the mesh layer 61 is folded towards the side frame one 43, and the filler balls above the filler frame 4 lose the support of the mesh layer 61 and can fall on the mesh door body 5, thereby realizing the downward movement of the filler balls on the upper layer. When the stop block 85 pushes the sliding rod 6 to prop against the side frame one 43, the stop block 85 makes the elastic block 62 slide into the sliding rod 6 by extruding the inclined wedge surface two 621 until the stop block 85 is separated from the elastic block 62, the sliding rod 6 moves towards the direction close to the side frame two 44 under the elasticity of the spring and props against the side frame two 44, the net layer 61 between the sliding rod 6 and the side frame one 43 separates the filling balls in the filling frame 4 from the filling balls above the filling frame 4, and the replacement of the bottom filling balls is completed.
A second driving motor 32 is arranged in the blanking pipe 3, the output end of the second driving motor 32 is fixedly connected with a guide disc 33, the top of the guide disc 33 is provided with a conical surface 331, the periphery of the guide disc 33 is fixedly connected with a sleeve 34, and the outer peripheral surface of the sleeve 34 is attached to the inner wall of the blanking pipe 3. And a discharge hole 341 is formed in the sleeve 34, and the discharge hole 341 is correspondingly communicated with the four discharge holes 31 on the discharge pipe 3 in sequence in the process of driving the guide disc 33 and the sleeve 34 to rotate by the second driving motor 32. When the ring 8 starts to rotate and the replacement operation of the filler balls in a certain filler frame 4 is performed, the discharge port 341 on the control sleeve 34 is aligned with the discharge port 31 above the filler frame 4, and a new filler ball is added above the filler frame 4, so that the thickness of the filler layer after the replacement of the filler ball is basically kept unchanged.
The inner side of the circular ring 8 is connected with a deflector rod 86 corresponding to the four filling frames 4 respectively, the outer arc frame 42 is provided with a wavy guide groove 421, the deflector rod 86 is vertically and slidably connected with the circular ring 8, and the deflector rod 86 penetrates through the corresponding guide groove 421 to extend to be in contact with the inner arc frame 41. The deflector rod 86 is driven to move along the guide groove 421 when the circular ring 8 rotates to stir the filler balls in the filler frame 4, the positions of the filler balls are changed, the gas-liquid circulation path is changed, the gas-liquid combination is promoted, the waste gas treatment efficiency is improved, the surfaces of the filler balls are fully utilized, and the service life of the filler balls is prolonged.
The top of ring 8 is provided with the water storage ring 9 of installing in spray column 1 inner wall, and water storage ring 9 inside is formed with the water storage chamber, and water storage ring 9 intercommunication has water injection pipe 91, and the inner wall of water storage ring 9 is equipped with the swivel becket 92 of being connected with water storage ring 9 rotation, and the inner wall of swivel becket 92 is connected with the spray pipe 93 that extends to pack frame 4 top. The water spraying pipe 93 is communicated with the water storage cavity, and a plurality of water spraying holes are formed in the bottom of the water spraying pipe 93. The periphery of spray pipe 93 is provided with protection screen panel 94, avoids the new filler ball of whereabouts to cause direct striking to spray pipe 93, influences spray pipe 93's life. The water spraying pipe 93 is fixedly connected with the circular ring 8 through the protection net cover 94, and the circular ring 8 drives the water spraying pipe 93 to rotate above the packing layer when rotating, so that the packing balls are washed under high pressure, and the service life of the packing balls is prolonged.
In performing exhaust gas treatment using the exhaust gas treatment device in the above embodiment, the exhaust gas treatment method includes the steps of:
The waste gas is introduced into the spray tower 1 through the air inlet 11, the spray system 2 is controlled to spray the waste gas absorption liquid downwards, the waste gas upwards enters the packing layer, the waste gas absorption liquid is sprayed to the surface of the packing ball and flows downwards, and the waste gas absorption liquid fully contacts and reacts with the waste gas rising in the packing layer to purify harmful gas in the waste gas;
after the waste gas purification is set for a long time, a second driving motor 32 is controlled to drive a guide disc 33 and a sleeve 34 to rotate, so that a discharge hole 341 on the sleeve 34 corresponds to a discharge hole 31 above a filling frame 4 to be replaced with a filling ball, a new filling ball is placed in a feeding pipe 3, and the filling ball rolls to be above the filling frame 4 to be replaced with the filling ball (hereinafter referred to as corresponding filling frame 4);
Meanwhile, the driving motor I80 is controlled to drive the gear II 81 to drive the gear ring 82 and the circular ring 8 to rotate, when the inclined wedge block 84 on the circular ring 8 is in contact with the fixed block 72 on the corresponding packing frame 4, the inclined wedge surface on the inclined wedge block 84 pulls the fixed block 72 to drive the limiting block 71 to move away from the mesh door body 5, the mesh door body 5 is opened downwards under the action of self gravity and the gravity of the packing balls, the packing balls in the corresponding packing frame 4 fall to the bottom of the spray tower 1, and as the circular ring 8 continues to rotate, the fixed block 72 passes through the avoiding space between the inclined wedge block 84 and the circular ring 8 and is separated from the inclined wedge block 84, and the spring rebound between the limiting block 71 and the outer arc frame 42 enables the limiting block 71 and the fixed block 72 to reset;
Along with the continuous rotation of the circular ring 8, two racks 83 on the circular ring 8 are respectively contacted with a first gear 51 on the corresponding mesh door body 5 at the same time, and drive the first gear 51 to drive the corresponding mesh door body 5 to rotate upwards, when the mesh door body 5 rotates upwards to contact with a first wedge surface 711 of the limiting block 71, the first wedge surface 711 is extruded to drive the limiting block 71 to move away from the mesh door body 5, and when the mesh door body 5 passes over the limiting block 71, the limiting block 71 pops up and resets towards the direction close to the mesh door body 5, and limiting is formed on the mesh door body 5 again, so that the mesh door body 5 is kept in a closed state;
Along with the continuous rotation of the circular ring 8, the stop block 85 on the circular ring 8 is contacted with the elastic block 62 on the sliding rod 6, the elastic block 62 is pushed to drive the sliding rod 6 to move towards the direction close to the side frame one 43, the reticular layer 61 is folded towards the side frame one 43, the packing balls above the packing frame 4 lose the support of the reticular layer 61 and fall on the reticular door body 5, the lower movement of the upper packing balls is realized, when the stop block 85 pushes the sliding rod 6 to prop against the side frame one 43, the stop block 85 pushes the wedge surface two 621 to enable the elastic block 62 to slide into the sliding rod 6 until the stop block 85 is separated from the elastic block 62, the sliding rod 6 moves towards the direction close to the side frame two 44 under the elasticity of the spring and abuts against the side frame two 44, the reticular layer 61 between the sliding rod 6 and the side frame one 43 separates the packing balls above the packing frame 4, and the replacement of the packing balls in the corresponding packing frame 4 is completed;
and controlling the driving motor II 32 to drive the guide disc 33 and the sleeve 34 to rotate, so that a discharge hole 341 on the sleeve 34 is correspondingly communicated with the next discharge hole 31, and along with the continuous rotation of the circular ring 8, the inclined wedge block 84 on the circular ring 8 is contacted with the fixed block 72 on the next packing frame 4, and repeating the process of changing the packing balls until the packing balls in the four packing frames 4 are completely changed.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (6)
1. The utility model provides an exhaust treatment device, includes the spray column, and spray column inner chamber has set gradually defroster, spraying system and packing layer from top to bottom, and the bottom of the spray column is equipped with the air inlet, and the top is equipped with the gas outlet, its characterized in that, the center of spray column inner chamber is provided with the unloading pipe, and the unloading mouth has been seted up to the circumference of unloading pipe, and the unloading mouth is located the packing layer top, the packing layer includes the packing ball of at least two fan annular packing frames that the central angle is the same, is located in the packing frame and above the packing frame, the packing frame includes inner arc frame, outer arc frame, side frame one and side frame two, the packing frame is followed the periphery of unloading pipe is laid in proper order and is fixed in the unloading pipe, the central angle of packing frame sum equals 360;
The bottom of the packing frame is provided with a reticular door body, the top of the packing frame is provided with a sliding rod, two ends of the sliding rod are respectively connected with the inner arc frame and the outer arc frame in a sliding way, a flexible reticular layer is connected between the side frame I and the sliding rod, and the packing balls are filled above the reticular layer and between the reticular layer and the reticular door body;
The waste gas treatment device is provided with a first driving component for driving the reticular door body to open and close and a second driving component for driving the sliding rod to slide along the inner arc frame and the outer arc frame;
the two net-shaped door bodies are in a fan ring shape and are symmetrically arranged, the two net-shaped door bodies are respectively and pivotally connected with the side frame I and the side frame II, and the pivot shafts of the two net-shaped door bodies are respectively and fixedly connected with the gear I; the outer arc frame is provided with a limiting piece, the first driving assembly comprises a circular ring connected with the spray tower in a rotating way and a first driving piece for driving the circular ring to rotate, the outer arc frame is attached to the inner wall of the circular ring, racks corresponding to the first gears and a second driving piece matched with the limiting piece are arranged on the circular ring, when the second driving piece is contacted with the limiting piece, the limiting piece is driven to cancel limiting of the mesh door body, and when the two racks are contacted with the first corresponding gears at the same time, the first driving gear drives the corresponding mesh door body to rotate upwards to be closed, and the limiting piece limits the rotation of the mesh door body again;
The limiting piece comprises a sliding rod, limiting blocks and fixed blocks, wherein the limiting blocks and the fixed blocks are fixed at two ends of the sliding rod, the sliding rod is in sliding fit with the outer arc frame along the radial direction of the packing frame, the sliding rod is elastically connected with the outer arc frame, and the bottom of the limiting block is provided with a first inclined wedge surface; the second driving part comprises an inclined wedge block fixed on the circular ring, an avoidance space for the fixed block to pass through is reserved between the inclined wedge block and the circular ring, when the inclined wedge block is contacted with the fixed block, the fixed block is pulled to drive the limiting block to move in a direction away from the mesh door body, the limiting of the mesh door body is canceled, when the mesh door body rotates upwards to contact with the inclined wedge surface, the inclined wedge surface is extruded to drive the limiting block to move in a direction away from the mesh door body, and when the mesh door body passes over the limiting block, the limiting block pops up and resets in a direction close to the mesh door body;
The inner arc frame and the outer arc frame are respectively provided with an arc chute at one side facing each other, two ends of the sliding rod are respectively connected in the corresponding arc chute in a sliding way, one end, close to the circular ring, of the sliding rod is inserted with a spring block, the spring block is elastically connected with the sliding rod, and the spring block is provided with a second inclined wedge surface;
The second driving assembly comprises a spring and a stop block, the spring is arranged along an arc-shaped chute of the inner arc frame and connected with the sliding rod, the spring extrudes the sliding rod to be attached to the second side frame, the stop block is fixed on the circular ring, and when the stop block is contacted with the second wedge surface, the spring block is pushed to drive the sliding rod to move towards the direction close to the first side frame;
The first driving piece comprises a first driving motor arranged on the spray tower and a second gear fixed at the output end of the first driving motor, a gear ring meshed with the second gear is arranged on the periphery of the circular ring, and the first driving motor drives the second gear to drive the gear ring and the circular ring to rotate.
2. The exhaust gas treatment device according to claim 1, wherein a deflector rod corresponding to the filler frame is connected to the inner side of the circular ring, the outer arc frame is provided with a wavy guide groove, the deflector rod is vertically and slidably connected with the circular ring, the deflector rod penetrates through the guide groove to extend to be in contact with the inner arc frame, and the deflector rod is driven to move along the guide groove when the circular ring rotates.
3. The exhaust gas treatment device according to claim 1, wherein a water storage ring mounted on the inner wall of the spray tower is arranged above the circular ring, a water storage cavity is formed inside the water storage ring, the water storage ring is communicated with a water injection pipe, a rotating ring rotationally connected with the water storage ring is arranged on the inner wall of the water storage ring, a water spray pipe extending to the upper portion of the packing frame is connected to the inner wall of the rotating ring, a water spray hole is formed in the bottom of the water spray pipe, the water spray pipe is communicated with the water storage cavity and fixedly connected with the circular ring, and the water spray pipe is driven to rotate above the packing layer when the circular ring rotates.
4. The exhaust gas treatment device according to claim 3, wherein a protective mesh cover is provided on an outer periphery of the water spray pipe.
5. The exhaust gas treatment device according to claim 1, wherein a second driving motor is installed in the discharging pipe, the output end of the second driving motor is fixedly connected with a guide disc, a conical surface is formed at the top of the guide disc, a sleeve is fixedly connected to the periphery of the guide disc, the outer peripheral surface of the sleeve is attached to the inner wall of the discharging pipe, a discharging hole is formed in the sleeve, and the second driving motor drives the guide disc and the sleeve to rotate in the process, and the discharging hole is correspondingly communicated with the discharging hole on the discharging pipe in sequence.
6. An exhaust gas treatment method, characterized in that the exhaust gas treatment method uses the exhaust gas treatment device according to any one of the above claims 1 to 5, the exhaust gas treatment method comprising the steps of:
Introducing the waste gas into the spray tower through the air inlet, controlling the spray system to spray the waste gas absorption liquid downwards, enabling the waste gas to enter the packing layer upwards, spraying the waste gas absorption liquid onto the surface of the packing ball, enabling the waste gas absorption liquid to flow downwards, enabling the waste gas absorption liquid to fully contact and react with the waste gas rising in the packing layer, and purifying harmful gas in the waste gas;
After the waste gas is purified for a set period of time, discharging the filling balls above the filling layer through a discharging pipe, and simultaneously controlling a driving assembly to drive a net-shaped door body below the filling frame to be opened so that the filling balls in the filling frame fall out, and then driving the net-shaped door body to be closed;
The second driving assembly is controlled to drive the sliding rod to move towards the direction close to the first side frame, so that the filler balls above the filler frames drop into the filler frames, and then the sliding rod is driven to move towards the direction close to the second side frame, so that the net layer separates the filler balls in the filler frames from the filler balls above the filler frames, and replacement of the filler balls is realized.
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| CN202410756162.1A CN118320599B (en) | 2024-06-13 | 2024-06-13 | Waste gas treatment device and method |
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| CN202410756162.1A CN118320599B (en) | 2024-06-13 | 2024-06-13 | Waste gas treatment device and method |
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| CN210814590U (en) * | 2019-09-27 | 2020-06-23 | 永进电镀(深圳)有限公司 | Electroplating exhaust treatment's spraying system |
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| CN209651935U (en) * | 2019-03-12 | 2019-11-19 | 中国市政工程西北设计研究院有限公司 | A kind of municipal administration blow-off line absorbing and deodorizing device |
| CN112870893A (en) * | 2019-11-30 | 2021-06-01 | 湖南嘉顺华新材料有限公司 | Spray tower dust remover with silk screen |
| CN213824121U (en) * | 2020-11-21 | 2021-07-30 | 嘉兴市晋彩环境工程有限公司 | Polypropylene waste gas packing spray tower |
| CN113069887B (en) * | 2021-04-29 | 2024-06-11 | 孙绍堂 | Multilayer mesh moving bed waste gas purification system |
| EP4304754A1 (en) * | 2021-05-11 | 2024-01-17 | Carbon Engineering Ltd. | Gas-liquid contactor with packing for capturing carbon dioxide |
| CN216223788U (en) * | 2021-11-14 | 2022-04-08 | 上海力皇环保工程有限公司 | Novel application organic waste gas handles device |
| CN115532040A (en) * | 2022-08-30 | 2022-12-30 | 金发科技股份有限公司 | Efficient low-resistance waste gas washing device and waste gas washing method |
| CN219744424U (en) * | 2023-05-19 | 2023-09-26 | 宜兴市信立特环境科技有限公司 | Industrial waste gas treatment spray type reaction tower |
| CN220929120U (en) * | 2023-09-19 | 2024-05-10 | 南京晶云船舶配件有限公司 | High-efficient sealed quick-opening and-closing steel pressure-resistant structure |
| CN117482727A (en) * | 2023-11-01 | 2024-02-02 | 合肥杰通环境技术有限公司 | Chemical plant waste gas treatment tower |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109603416A (en) * | 2018-12-28 | 2019-04-12 | 贵州大龙汇成新材料有限公司 | A kind of gas treatment equipment and the method to polluted gas progress purified treatment |
| CN210814590U (en) * | 2019-09-27 | 2020-06-23 | 永进电镀(深圳)有限公司 | Electroplating exhaust treatment's spraying system |
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