CN115155223A - Tail gas treatment process for wettable powder production - Google Patents
Tail gas treatment process for wettable powder production Download PDFInfo
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- CN115155223A CN115155223A CN202210737131.2A CN202210737131A CN115155223A CN 115155223 A CN115155223 A CN 115155223A CN 202210737131 A CN202210737131 A CN 202210737131A CN 115155223 A CN115155223 A CN 115155223A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims description 16
- 239000004563 wettable powder Substances 0.000 title claims description 16
- 238000005507 spraying Methods 0.000 claims abstract description 41
- 238000000746 purification Methods 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 66
- 238000009833 condensation Methods 0.000 claims description 27
- 230000005494 condensation Effects 0.000 claims description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 26
- 230000003197 catalytic effect Effects 0.000 claims description 24
- 239000010865 sewage Substances 0.000 claims description 24
- 238000001914 filtration Methods 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 22
- 239000002245 particle Substances 0.000 claims description 20
- 239000007787 solid Substances 0.000 claims description 16
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- 244000309464 bull Species 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 239000011550 stock solution Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 239000000843 powder Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000006555 catalytic reaction Methods 0.000 description 11
- 241000220317 Rosa Species 0.000 description 8
- 239000010802 sludge Substances 0.000 description 8
- 239000008187 granular material Substances 0.000 description 4
- 239000000575 pesticide Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000011045 prefiltration Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 235000013547 stew Nutrition 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/20—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising
- B05B15/25—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising using moving elements, e.g. rotating blades
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention belongs to the technical field of tail gas treatment for powder production, and aims to solve the problems that a filter screen in a condensing tank is blocked at first, the tail gas spraying effect in the condensing tank is insufficient, and the purification time is long.
Description
Technical Field
The invention relates to the technical field of tail gas treatment for powder production, in particular to a tail gas treatment process for wettable powder production.
Background
The wettable powder is a dosage form which is obtained by fully mixing and crushing original pesticide, inert filler and a certain amount of auxiliary agent according to a certain proportion to achieve a certain powder fineness, and is not different from powder in shape, but can be wetted, dispersed and formed into suspension liquid after being added into water due to the addition of the auxiliary agents such as wetting agent, dispersing agent and the like, and can be sprayed and applied, and a tail gas treatment device for pesticide production is provided by a patent number (CN 215276482U), and comprises a condensation tank, a catalysis bin and a filter box, wherein the condensation tank and the catalysis bin are mutually communicated, the catalysis bin and the filter box are mutually communicated, a main water pipe, a plurality of branch pipes and a spray head are arranged in the condensation tank, and the tail gas generated by pesticide production is subjected to raw liquid purification spraying treatment, photocatalytic purification treatment and activated carbon adsorption purification in sequence by utilizing the condensation tank, the catalysis bin and the filter box, is safely discharged into the air, so that the harm to the environment and the physical and mental health of people is prevented due to insufficient tail gas purification treatment, but the following defects still exist:
1. solid in the tail gas is filtered and adsorbed in the condensing tank through a plurality of filter screens, and the first filter screen is blocked at first, so that the tail gas cannot be continuously treated;
2. when the tail gas entering the condensing tank is subjected to spraying treatment, the phenomenon of insufficient tail gas spraying effect can occur;
3. when the gas entering the filter box is purified by the activated carbon net, the purification time is longer;
in view of the above technical drawbacks, a solution is proposed.
Disclosure of Invention
The invention aims to provide a tail gas treatment process for wettable powder production, which quickly separates solid particles from gas in tail gas through rotation of a rotating rod in a stirring device, avoids blockage of a filter plate by a vibration mechanism, shortens tail gas purification time by a purification mechanism, and solves the problems that the filter screen in a condensing tank is blocked at first, the tail gas spraying effect in the condensing tank is insufficient, and the purification time is long.
In order to achieve the purpose, the invention provides the following technical scheme:
a tail gas treatment process for wettable powder production comprises the following steps:
s1: collecting tail gas: connecting a pipeline to a tail gas discharge port, preliminarily collecting the tail gas, and conveying the tail gas into tail gas treatment equipment;
s2: tail gas spraying: the tail gas in the tail gas treatment device firstly reaches the interior of a condensation tank in the tail gas treatment device, the tail gas in the condensation tank is sprayed by an annular spraying pipe in the tail gas treatment device, the tail gas is influenced by gravity, solid particles in the tail gas can be filtered, the wind speed of the tail gas can blow a fan to rotate, the fan rotates to realize rotation of a rotating rod, a stirring rod on the rotating rod rotates to interfere with the tail gas in the condensation tank, and the tail gas is fully sprayed by the annular spraying pipe;
s3: treating the spraying sewage: spraying sewage generated by spraying tail gas enters a water storage tank in the tail gas treatment device, precipitating the sewage in the water storage tank, discharging sludge at the bottom end of the water storage tank through an outlet, and pumping stock solution standing at the upper part of the water storage tank into an annular spraying pipe;
s4: tail gas purification: the tail gas of prefiltering in the condensing tank is pumped into the catalytic mechanism and is purified by the catalytic mechanism, the catalyzed tail gas enters into the purifying mechanism, the catalyzed tail gas is conveyed into the activated carbon, and the activated carbon is sufficiently filtered and purified in the activated carbon and then is discharged into the atmosphere.
Further, the tail gas treatment device comprises a condensing tank, the condensing tank is provided with a water inlet pipe and a sewage outlet pipe, an annular spraying pipe is arranged at a central shaft of the top of the condensing tank and communicated with the water inlet pipe, a stirring device and a filtering mechanism are arranged on the outer side of the annular spraying pipe, a gas output end of the condensing tank is provided with a catalysis mechanism through an air pump, an output end of the catalysis mechanism is provided with a purification mechanism, and an output end of the sewage outlet pipe is provided with a circulation mechanism; the stirring device comprises an inlet arranged in the middle of the annular spraying pipe, a support rod is fixedly connected to the inner wall of the inlet, the bottom end of the support rod is rotatably connected with a rotating rod through a bearing, a fan is fixedly connected to the outer wall above the rotating rod, a plurality of groups of stirring rods are fixedly connected to the outer wall below the rotating rod, and a vibrating mechanism is arranged at the bottom end of the rotating rod; the utility model discloses a vibration mechanism, including the spliced pole with bull stick bottom fixed connection, the both sides of spliced pole all are rotated through the bolt and are connected with the connecting axle, and are two sets of one side that the connecting axle is relative all rotates through the bearing and is connected with the wheel, the equal fixedly connected with limiting plate in both sides at spliced pole top, be provided with first spring between limiting plate and the connecting axle.
Further, the inlet port comprises a first air inlet pipe and a second air inlet pipe, the second air inlet pipe is communicated with the first air inlet pipe, and the diameter of the first air inlet pipe is larger than that of the second air inlet pipe.
Furthermore, the filtering mechanism comprises limiting grooves formed in the inner walls of the two sides of the condensing tank, a first filtering plate is arranged inside the limiting grooves, a second spring is arranged between the two ends of the bottom of the first filtering plate and the limiting grooves, and the first filtering plate is in contact with the outer wall of the wheel.
Furthermore, a second filter plate is arranged at the bottom end of the first filter plate and is fixedly connected with the inner wall of the condensing tank.
Furthermore, the catalysis mechanism comprises a second connecting pipe fixedly connected with the output end of the air pump, the output end of the second connecting pipe is fixedly connected with a catalysis tank, and the output end of the catalysis tank is fixedly connected with a first connecting pipe.
Further, purification mechanism includes rose box and motor, be provided with second communicating pipe on the outer wall of rose box, the one end and the first connecting pipe of second communicating pipe are connected, the other end of second communicating pipe is connected with the gas storage post, the gas storage post sets up the inside at the rose box, the top of gas storage post is rotated through first communicating pipe and is connected with the gas storage pole, the inside of gas storage pole is hollow structure, a plurality of little gas vents have been seted up on the outer wall of gas storage pole, and the output fixed connection of gas storage pole and motor.
Further, the outer walls of the two sides of the gas storage column are connected with purification plates, the purification plates are communicated with a plurality of small gas outlets, and the output end of the filter box is provided with a main gas outlet.
Further, circulation mechanism includes the storage water tank, the outer wall and the play dirty pipe of storage water tank are linked together, be provided with submersible pump on the inside top lateral wall of storage water tank, submersible pump's input is provided with the drinking-water pipe, submersible pump's output is provided with the drain pipe, the output of drain pipe extends to the outside of storage water tank and communicates each other with the inlet tube.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the tail gas purification device, the fan is driven to rotate by the wind speed of the tail gas, so that the rotating rod is rotated, the stirring rod on the rotating rod is driven by the rotating rod to stir the tail gas in the condensing tank, the tail gas is quickly and fully sprayed by the spraying pipe, the filtering of solid particles in the tail gas is accelerated, and the separation of the solid particles and gas in the tail gas is quickly realized through the rotation of the rotating rod in the stirring device;
2. according to the invention, the connecting column is driven to rotate by the rotation of the rotating rod, the connecting column drives the connecting shafts on two sides of the connecting column to rotate, the wheels rotatably connected on the connecting shafts can also rotate, when the wheels at the bottom end of the rotating rod meet large particles on the first filter plate, the large particles pass through the large particle solid, and when the wheels fall from the large particle solid, the wheels can vibrate the first filter plate, so that the particles on the first filter plate can vibrate to the upper surface of the second filter plate, and the filter plates are prevented from being blocked;
3. according to the invention, the tail gas catalyzed in the filter box enters the gas storage column and then is conveyed to the inside of the gas storage rod, the tail gas catalyzed in the gas storage rod enters the purifying plate through a plurality of small gas outlets, the catalyzed tail gas is adsorbed by the activated carbon in the purifying plate, and meanwhile, the rotation of the purifying plate can accelerate the purification of the catalyzed tail gas, so that the tail gas purification time is shortened.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings;
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the structure of the area A in FIG. 1;
FIG. 3 is an enlarged view of the structure of the region B in FIG. 1;
FIG. 4 is a perspective view of a purification plate according to the present invention;
FIG. 5 is a perspective view of an access port of the present invention;
fig. 6 is a perspective view of a stirring rod in the present invention.
Reference numerals are as follows: 1. a condensing tank; 2. an annular shower pipe; 3. a stirring device; 4. a filtering mechanism; 5. a second filter plate; 6. a sewage outlet pipe; 7. a circulating mechanism; 8. a water inlet pipe; 9. an air pump; 10. a catalytic mechanism; 11. a purification mechanism; 31. an inlet port; 32. a support bar; 33. a fan; 34. a stirring rod; 35. a rotating rod; 36. a vibration mechanism; 311. a first intake pipe; 312. a second intake pipe; 361. connecting columns; 362. a limiting plate; 363. a wheel; 364. a connecting shaft; 365. a first spring; 41. a first filter plate; 42. a limiting groove; 43. a second spring; 71. a water pumping pipe; 72. a submersible water pump; 73. a drain pipe; 74. a water storage tank; 101. A catalyst tank; 102. a first connecting pipe; 103. a second connecting pipe; 111. a motor; 112. a gas storage pole; 113. A purification plate; 114. a filter box; 115. a total exhaust port; 116. a small exhaust port; 117. a gas storage column; 118. A first communication pipe; 119. and a second communication pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1-6, the tail gas treatment process for producing wettable powder provided by the invention comprises the following steps:
s1: collecting tail gas: connecting a pipeline to a tail gas discharge port, preliminarily collecting the tail gas, and conveying the tail gas into tail gas treatment equipment;
s2: tail gas spraying: the tail gas in the tail gas treatment device firstly reaches the interior of a condensation tank 1 in the tail gas treatment device, the tail gas in the condensation tank 1 is sprayed by an annular spraying pipe 2 in the tail gas treatment device, the tail gas is influenced by gravity, solid particles in the tail gas can be filtered, the filtered solids can be arranged on a first filter plate 41 and a second filter plate 5, the fan 33 can be blown by the wind speed of the tail gas to rotate, the rotating rod 35 can be rotated by the fan 33, the stirring rod 34 on the rotating rod 35 can rotate to interfere with the tail gas in the condensation tank 1, and the tail gas can be fully sprayed by the annular spraying pipe 2;
s3: treating the spraying sewage: spraying sewage generated by spraying tail gas enters a water storage tank 74 in the tail gas treatment device, precipitating the sewage in the water storage tank 74, discharging sludge at the bottom end of the water storage tank 74 through an outlet, and pumping stock solution standing at the upper part of the water storage tank 74 into the annular spraying pipe 2;
s4: tail gas purification: at the tail gas of 1 the inside prefiltration of condensation tank, the inside that enters into catalytic mechanism 10 by the pump sending, purify by catalytic mechanism 10, the inside that catalytic tail gas entered into purification mechanism 11, tail gas in purification mechanism 11, the inside that gas storage column 117 was entered into to catalytic tail gas, then convey the inside of gas storage pole 112, the tail gas that catalyzes inside gas storage pole 112 passes through a plurality of little gas vents 116, the inside that enters into purifying plate 113 is carried to the inside of active carbon, by the abundant filtration of active carbon in the inside of active carbon, purify, the purification of catalytic tail gas can be accelerated along with the rotation of purifying plate 113 simultaneously, the time of tail gas purification has been shortened, then in emission to the atmosphere.
Example two:
as shown in fig. 1-6, the tail gas treatment device comprises a condensation tank 1, spraying tail gas to separate solid from gas in the tail gas, the condensation tank 1 is provided with a water inlet pipe 8 and a sewage outlet pipe 6, spraying stock solution enters the water inlet pipe 8, the sewage outlet pipe 6 discharges sewage, an annular spraying pipe 2 is arranged at the central axis of the top of the condensation tank 1, the annular spraying pipe 2 is communicated with the water inlet pipe 8, water enters the annular spraying pipe 2 through the water inlet pipe 8 and is discharged through the output end of the annular spraying pipe 2, a stirring device 3 and a filtering mechanism 4 are arranged on the outer side of the annular spraying pipe 2, the gas output end of the condensation tank 1 is provided with a catalytic mechanism 10 through an air pump 9, the output end of the catalytic mechanism 10 is provided with a purifying mechanism 11, and the output end of the sewage outlet pipe 6 is provided with a circulating mechanism 7; the stirring device 3 comprises an inlet 31 arranged in the middle of the annular spraying pipe 2, the inner wall of the inlet 31 is fixedly connected with a support rod 32, the bottom end of the support rod 32 is rotatably connected with a rotating rod 35 through a bearing, a fan 33 is fixedly connected to the outer wall above the rotating rod 35, a plurality of groups of stirring rods 34 are fixedly connected to the outer wall below the rotating rod 35, and a vibrating mechanism 36 is arranged at the bottom end of the rotating rod 35; specifically, when the tail gas reaches the interior of the condensing tank 1 through the inlet port 31, the blowing fan 33 rotates, the rotation of the fan 33 drives the rotating rod 35 to rotate, the rotating rod 35 drives the stirring rod 34 fixedly connected with the rotating rod 35 to rotate, and the rotation of the stirring rod 34 interferes with the tail gas in the condensing tank 1, so that the tail gas is fully sprayed by the annular spraying pipe 2; the vibrating mechanism 36 comprises a connecting column 361 fixedly connected with the bottom end of the rotating rod 35, connecting shafts 364 are rotatably connected to two sides of the connecting column 361 through bolts, wheels 363 are rotatably connected to one opposite sides of the two groups of connecting shafts 364 through bearings, limiting plates 362 are fixedly connected to two sides of the top of the connecting column 361, and first springs 365 are arranged between the limiting plates 362 and the connecting shafts 364. It is specific, drive spliced pole 361 and rotate when bull stick 35 rotates, spliced pole 361 rotates the connecting axle 364 that drives its both sides and rotates, connecting axle 364 rotates round spliced pole 361, the wheel 363 of rotating the connection on connecting axle 364 equally can take place to rotate, the wheel 363 rotates on first filter 41, when the wheel 363 is through accumulational large granule solid on first filter 41, can pass through on the large granule solid, when the wheel 363 descends from the above-mentioned of large granule again, can vibrate first filter 41, first filter 41 receives the vibration will be on the fixed large granule vibration of first filter 41 to the second filter 5, the jam of first filter 41 has been avoided.
In this embodiment, drive fan 33 through the tail gas wind speed and rotate, realize the rotation of bull stick 35, bull stick 35 drives puddler 34 above bull stick 35 and can stir the tail gas in 1 the inside of condensing tank, lets quick abundant being sprayed by the shower of tail gas for the filtration of the solid particle in tail gas, the separation of solid particle and gas in the quick realization tail gas.
Example three:
as shown in fig. 1 to 6, the inlet port 31 includes a first inlet pipe 311 and a second inlet pipe 312, the second inlet pipe 312 is communicated with the first inlet pipe 311, and a pipe diameter of the first inlet pipe 311 is larger than that of the second inlet pipe 312. Specifically, the speed of the exhaust gas entering the second air inlet pipe 312 from the first air inlet pipe 311 is increased in the second air inlet pipe 312, which can be explained by the bernoulli principle; the filtering mechanism 4 comprises limiting grooves 42 formed in the inner walls of the two sides of the condensing tank 1, the limiting grooves 42 are used for limiting the first filtering plates 41, the first filtering plates 41 are arranged in the two groups of limiting grooves 42, second springs 43 are arranged between the two ends of the bottoms of the first filtering plates 41 and the limiting grooves 42, and the first filtering plates 41 are in contact with the outer walls of the wheels 363. Specifically, particles in the exhaust gas are first filtered by the first filter plate 41, and then a smaller filter plate enters the second filter plate; the bottom end of the first filter plate 41 is provided with a second filter plate 5, and the second filter plate 5 is fixedly connected with the inner wall of the condensing tank 1. Specifically, two sets of filter plates can make the particle filtration in the tail gas more abundant.
In this embodiment, when the wheel 363 at the bottom of the rotating rod 35 meets the large particles on the first filter plate 41, the large particles pass through the wheel 363, and when the wheel 363 falls off from the fixed upper side of the large particles, the wheel 363 vibrates the first filter plate 41, so that the particles on the first filter plate 41 vibrate to the upper side of the second filter plate 5, thereby avoiding the blocking of the filter plates.
Example four:
as shown in fig. 1, fig. 3-4, and fig. 6, the catalytic mechanism 10 includes a second connection pipe 103 fixedly connected to the output end of the air pump 9, a catalytic tank 101 fixedly connected to the output end of the second connection pipe 103, and a first connection pipe 102 fixedly connected to the output end of the catalytic tank 101. Specifically, the primarily purified tail gas in the condensing tank 1 enters the catalytic tank 101 to be catalyzed, so that the tail gas in the catalytic tank 101 is purified; purification mechanism 11 includes rose box 114 and motor 111, motor 111 fixed mounting is at the top of rose box 114, be provided with second communicating pipe 119 on the outer wall of rose box 114, the one end of second communicating pipe 119 is connected with first connecting pipe 102, the other end of second communicating pipe 119 is connected with gas storage column 117, gas storage column 117 is hollow structure too, gas storage column 117 sets up the inside at rose box 114, the top of gas storage column 117 rotates through first communicating pipe 118 to be connected with gas storage pole 112, the inside of gas storage pole 112 is hollow structure, a plurality of little gas vents 116 have been seted up on the outer wall of gas storage pole 112, a plurality of little gas vents set up in the both sides of gas storage pole 112, and gas storage pole 112 is connected with the output of motor 111 fixedly. Specifically, the motor 111 drives the gas storage rod 112 to rotate, and the purification plate 113 on the gas storage rod 112 also rotates, so that the catalyzed exhaust gas in the purification plate 113 is sufficiently purified by the activated carbon in the purification plate 113; all be connected with purification board 113 on the outer wall of gas storage column 117 both sides, filled the active carbon in purification board 113, the peculiar smell in the tail gas can the adsorption catalysis to the active carbon, and purification board 113 is netted structure, and purification board 113 is linked together with a plurality of little gas vents 116, and the output of rose box 114 is provided with total gas vent 115.
In this embodiment, the tail gas that enters into filter box 114 the inside catalysis enters into the inside of gas storage post 117, then conveys the inside of gas storage pole 112, and the tail gas that catalyzes in the inside of gas storage pole 112 passes through a plurality of little gas vents 116, enters into the inside of purifying plate 113, and the tail gas that catalyzes is adsorbed the peculiar smell by the active carbon of purifying plate 113 the inside, and the rotation that accompanies purifying plate 113 simultaneously can accelerate the purification of the tail gas that catalyzes, has shortened the time of tail gas purification.
Example five:
as shown in fig. 1, the circulation mechanism 7 includes a water storage tank 74, a sludge discharge pipe is arranged on the outer wall of the water storage tank 74, sludge in the water storage tank 74 is discharged through the sludge discharge pipe, the outer wall of the water storage tank 74 is communicated with the sewage discharge pipe 6, a submersible water pump 72 is arranged on the top side wall inside the water storage tank 74, the submersible water pump 72 is a water-proof type water pump in the prior art, a water suction pipe 71 is arranged at the input end of the submersible water pump 72, a water discharge pipe 73 is arranged at the output end of the submersible water pump 72, and the output end of the water discharge pipe 73 extends to the outer side of the water storage tank 74 and is communicated with the water inlet pipe 8.
In this embodiment, the sludge at the bottom end of the condensation tank 1 enters the water storage tank 74 through the sewage outlet pipe 6, the sewage in the water storage tank 74 is again precipitated in the water storage tank 74, the water at the top is again pumped into the water inlet pipe 8, and the precipitated sludge is discharged through the sludge discharge pipe.
The working process and principle of the invention are as follows:
the tail gas discharge port is connected with a pipeline, the tail gas is preliminarily collected and is conveyed to the inside of tail gas treatment equipment, the tail gas firstly reaches the inside of a condensation tank 1 in a tail gas treatment device, the tail gas in the condensation tank 1 is sprayed by an annular spraying pipe 2, the tail gas is influenced by gravity, and solid particles in the tail gas are filtered on a first filter plate 41 and a second filter plate 5 through a filter mechanism 4, so that the purpose of solid-gas separation is achieved;
the inside that sprays sewage of 1 the inside of condensate tank gets into storage water tank 74, deposit the sewage in storage water tank 74 inside, the mud that will be in storage water tank 74 bottom is discharged through the export, the stock solution that stews on storage water tank 74 upper portion is pumped to the inside of annular shower 2, tail gas at 1 the inside prefilter of condensate tank, the inside of catalytic mechanism 10 who enters into the tail gas processing apparatus by the pumping, be purified by catalytic mechanism 10, catalyzed tail gas enters into the inside of purifying mechanism 11, tail gas in purifying mechanism 11, be carried to the inside of active carbon, by the abundant filtration of active carbon, purify in the inside of active carbon, then discharge to the atmosphere again.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. A tail gas treatment process for producing wettable powder is characterized by comprising the following steps:
s1: collecting tail gas: connecting a pipeline to a tail gas discharge port, preliminarily collecting the tail gas, and conveying the tail gas into tail gas treatment equipment;
s2: tail gas spraying: tail gas in the tail gas treatment device firstly reaches the interior of a condensation tank (1) in the tail gas treatment device, the tail gas in the condensation tank (1) is sprayed by an annular spraying pipe (2) in the tail gas treatment device, the tail gas is influenced by gravity, solid particles in the tail gas can be filtered, the wind speed of the tail gas can blow a fan (33) to rotate, the fan (33) rotates to realize the rotation of a rotating rod (35), a stirring rod (34) on the rotating rod (35) rotates to interfere with the tail gas in the condensation tank (1), and the tail gas is fully sprayed by the annular spraying pipe (2);
s3: treating the spraying sewage: spraying sewage generated by spraying tail gas enters a water storage tank (74) in the tail gas treatment device, the sewage precipitated in the water storage tank (74) is discharged from an outlet at the bottom end of the water storage tank (74), and stock solution standing at the upper part of the water storage tank (74) is pumped into the annular spraying pipe (2);
s4: tail gas purification: the tail gas primarily filtered in the condensation tank (1) is pumped into the catalytic mechanism (10) and purified by the catalytic mechanism (10), the catalyzed tail gas enters the purifying mechanism (11), and the catalyzed tail gas is conveyed to the inside of the active carbon, is fully filtered and purified by the active carbon in the active carbon and is discharged to the atmosphere.
2. The tail gas treatment process for wettable powder production according to claim 1, wherein the tail gas treatment equipment comprises a condensation tank (1), the condensation tank (1) is provided with a water inlet pipe (8) and a sewage outlet pipe (6), an annular spray pipe (2) is arranged at a central axis of the top of the condensation tank (1), the annular spray pipe (2) is communicated with the water inlet pipe (8), a stirring device (3) and a filtering mechanism (4) are arranged on the outer side of the annular spray pipe (2), a gas output end of the condensation tank (1) is provided with a catalytic mechanism (10) through a suction pump (9), an output end of the catalytic mechanism (10) is provided with a purification mechanism (11), and an output end of the sewage outlet pipe (6) is provided with a circulation mechanism (7);
the stirring device (3) comprises an inlet (31) arranged in the middle of the annular spraying pipe (2), the inner wall of the inlet (31) is fixedly connected with a support rod (32), the bottom end of the support rod (32) is rotatably connected with a rotating rod (35) through a bearing, a fan (33) is fixedly connected onto the outer wall above the rotating rod (35), a plurality of groups of stirring rods (34) are fixedly connected onto the outer wall below the rotating rod (35), and a vibrating mechanism (36) is arranged at the bottom end of the rotating rod (35);
vibration mechanism (36) including spliced pole (361) with bull stick (35) bottom fixed connection, the both sides of spliced pole (361) all are rotated through the bolt and are connected with connecting axle (364), two sets of one side that connecting axle (364) were carried on the back mutually all is connected with wheel (363) through the bearing rotation, the equal fixedly connected with limiting plate (362) in both sides at spliced pole (361) top, be provided with first spring (365) between limiting plate (362) and connecting axle (364).
3. The tail gas treatment process for wettable powder production as claimed in claim 2, wherein the inlet (31) comprises a first inlet pipe (311) and a second inlet pipe (312), the second inlet pipe (312) is communicated with the first inlet pipe (311), and the diameter of the first inlet pipe (311) is larger than that of the second inlet pipe (312).
4. The tail gas treatment process for wettable powder production as claimed in claim 2, wherein the filtering mechanism (4) comprises limiting grooves (42) formed on the inner walls of the two sides of the condensing tank (1), first filtering plates (41) are arranged inside the two groups of limiting grooves (42), second springs (43) are arranged between the two ends of the bottom of each first filtering plate (41) and the limiting grooves (42), and the first filtering plates (41) are in contact with the outer walls of the wheels (363).
5. The tail gas treatment process for wettable powder production according to claim 4, wherein the bottom end of the first filter plate (41) is provided with a second filter plate (5), and the second filter plate (5) is fixedly connected with the inner wall of the condensation tank (1).
6. The tail gas treatment process for wettable powder production as claimed in claim 2, wherein the catalytic mechanism (10) comprises a second connecting pipe (103) fixedly connected with the output end of the air pump (9), the output end of the second connecting pipe (103) is fixedly connected with the catalytic tank (101), and the output end of the catalytic tank (101) is fixedly connected with the first connecting pipe (102).
7. The tail gas treatment process for wettable powder production as claimed in claim 2, wherein the purification mechanism (11) comprises a filter box (114) and a motor (111), a second communication pipe (119) is arranged on the outer wall of the filter box (114), one end of the second communication pipe (119) is connected with the first connection pipe (102), the other end of the second communication pipe (119) is connected with a gas storage column (117), the gas storage column (117) is arranged inside the filter box (114), the top end of the gas storage column (117) is rotatably connected with a gas storage rod (112) through the first communication pipe (118), the inside of the gas storage rod (112) is of a hollow structure, a plurality of small gas outlets (116) are formed in the outer wall of the gas storage rod (112), and the gas storage rod (112) is fixedly connected with the output end of the motor (111).
8. The tail gas treatment process for wettable powder production as claimed in claim 7, wherein purification plates (113) are connected to the outer walls of both sides of the gas storage column (117), the purification plates (113) are communicated with a plurality of small gas outlets (116), and a total gas outlet (115) is arranged at the output end of the filter box (114).
9. The tail gas treatment process for wettable powder production as claimed in claim 2, wherein the circulating mechanism (7) comprises a water storage tank (74), the outer wall of the water storage tank (74) is communicated with the sewage outlet pipe (6), a submersible water pump (72) is arranged on the top side wall inside the water storage tank (74), a water pumping pipe (71) is arranged at the input end of the submersible water pump (72), a water discharging pipe (73) is arranged at the output end of the submersible water pump (72), and the output end of the water discharging pipe (73) extends to the outer side of the water storage tank (74) and is communicated with the water inlet pipe (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210737131.2A CN115155223A (en) | 2022-06-27 | 2022-06-27 | Tail gas treatment process for wettable powder production |
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| CN202210737131.2A CN115155223A (en) | 2022-06-27 | 2022-06-27 | Tail gas treatment process for wettable powder production |
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| CN117862096A (en) * | 2023-02-15 | 2024-04-12 | 司明超 | Be used for SOx/NOx control granule unloader |
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Application publication date: 20221011 |