CN115430226A - Tail gas desulfurization and denitrification method and device - Google Patents
Tail gas desulfurization and denitrification method and device Download PDFInfo
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- CN115430226A CN115430226A CN202211218150.0A CN202211218150A CN115430226A CN 115430226 A CN115430226 A CN 115430226A CN 202211218150 A CN202211218150 A CN 202211218150A CN 115430226 A CN115430226 A CN 115430226A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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- 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
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- 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
- B01D53/007—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 irradiation
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- 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
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- 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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
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- 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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
Abstract
The invention discloses a tail gas desulfurization and denitrification method and a device thereof, relating to the technical field of tail gas treatment, wherein the tail gas desulfurization and denitrification method comprises the following steps: s1: firstly, introducing the tail gas into a dust removal adsorption mechanism for preliminary dust removal and filtration; s2: then introducing the filtered tail gas into an atomization mechanism for atomization and adsorption of sulfide gas in the tail gas; s3: introducing the neutralized gas into a photolysis mechanism through a gas supply mechanism for physical photolysis; s4: and finally, adsorbing and filtering the tail gas through the adsorption and filtration mechanism again, and then discharging. According to the invention, through the cooperation of the photolysis tank, the gas guide plate, the UV photolysis lamp tube and the UV device and through the third communicating pipe, tail gas is conveyed into the photolysis tank, and meanwhile, the UV photolysis lamp tube is started, so that a light source emitted by the UV photolysis lamp tube and harmful gases in the air are subjected to photolysis reaction, and the light source and the harmful gases are converted into harmless gases.
Description
Technical Field
The invention relates to the technical field of tail gas treatment, in particular to a tail gas desulfurization and denitrification method and a device thereof.
Background
In this respect, industrial exhaust gas is a main gas pollution source, because the exhaust gas contains a large amount of sulfide and nitride gases, which cause serious air pollution if directly discharged into the atmosphere, and is a key point of concern, so when the industrial exhaust gas is treated, the exhaust gas is usually treated by an exhaust gas treatment device to assist in the purification of the exhaust gas.
Among the prior art, in the patent document that publication number is CN108499292B, provide an industrial tail gas processing apparatus, including the tail gas delivery pipe, the outside of tail gas delivery pipe is fixed with the purification treatment agent storage box, the purification treatment agent storage box passes through connecting pipe and the inside intercommunication of tail gas delivery pipe, install the booster pump on the connecting pipe, rotatory nozzle is installed to the one end that the connecting pipe is located the tail gas delivery pipe inside, rotatory nozzle's downside is equipped with treatment agent recovery fill, treatment agent recovery fill is fixed in the inboard of tail gas delivery pipe, it is equipped with a plurality of leakage fluid dram to surround on the lateral wall of tail gas delivery pipe, the inside intercommunication of leakage fluid dram and purification treatment agent storage box, rain-proof cover is installed to the upper end of tail gas delivery pipe, fixed mounting has driving motor in the rain-proof cover, driving motor's output is connected with the pivot, driving motor's one end is kept away from to the inside extension of tail gas delivery pipe and fixedly connected with the flabellum to the pivot, the below of flabellum is equipped with degree of depth processing mechanism.
The following problems exist in the prior art: when current tail gas processing apparatus adsorbs tail gas, because contain a large amount of smoke and dust in the tail gas, then can lead to when filtering the smoke and dust, need frequent change filter screen, when carrying out the atomizing absorption to tail gas simultaneously, the practicality that purifier has been reduced to the recovery that atomizing spun purified solution can not be timely when recycling.
Disclosure of Invention
The invention provides a tail gas desulfurization and denitrification method and a device thereof, which aim to solve the problems in the background art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
in a first aspect, a method for desulfurization and denitrification of tail gas includes the following steps:
s1: firstly, introducing the tail gas into a dust removal adsorption mechanism for preliminary dust removal and filtration;
s2: then introducing the filtered tail gas into an atomization mechanism for atomization and adsorption of sulfide gas in the tail gas;
s3: introducing the neutralized gas into a photolysis mechanism through a gas supply mechanism for physical photolysis;
s4: and finally, adsorbing and filtering the tail gas through the adsorption and filtration mechanism again, and then discharging.
The second aspect, a tail gas SOx/NOx control device, including the tail gas processing apparatus, the tail gas processing apparatus is including communicating pipe one, the one end fixedly connected with tail gas amplification cover of communicating pipe one, the detachable dust removal adsorption apparatus that is connected with of one end of tail gas amplification cover constructs, the detachable atomization component that is connected with of output of dust removal adsorption apparatus constructs, atomization component's upper surface is detachable to be connected with gas transmission mechanism, atomization component's outer fixed surface is connected with atomizing circulation mechanism, gas transmission mechanism's the detachable photodissociation mechanism that is connected with of output, the detachable purification subassembly that is connected with of output of photodissociation mechanism, dust removal adsorption apparatus constructs including the adsorption tank, one side of adsorption tank and the detachable connection of surface of tail gas amplification cover, atomization component is including the atomization case, the bottom surface fixedly connected with guide plate of atomization case.
The technical scheme of the invention is further improved as follows: dust removal adsorption apparatus constructs including adsorbing the case, the inner wall swing joint of adsorbing the case has the dust removal subassembly, the inner wall activity joint of adsorbing the case has activated carbon net, colloid filter screen and filter screen, the activated carbon net is located between colloid filter screen and the communicating pipe two, one side fixedly connected with communicating pipe two of adsorbing the case, the inner wall sliding connection of adsorbing the case has the collection box, through the cooperation of colloid filter screen, activated carbon net and filter screen, can carry out preliminary adsorption treatment to tail gas.
The technical scheme of the invention is further improved as follows: the dust removal subassembly is including positive and negative motor, the bottom surface of positive and negative motor is connected with the upper surface detachable of adsorption tank, the output fixedly connected with lead screw of positive and negative motor, the bottom surface of lead screw rotates with the bottom surface of adsorption tank to be connected, the surface threaded connection of lead screw has first lifting slide block, one side detachable of first lifting slide block is connected with the cleaning board, one side of cleaning board and the surface sliding connection of filter screen, the other end detachable of cleaning board is connected with second lifting slide block, second lifting slide block's inner wall sliding connection has spacing slide bar, spacing slide bar's both ends and the inner wall sliding connection of adsorption tank adopt the cooperation of positive and negative motor, lead screw, first lifting slide block, cleaning board, second lifting slide block and spacing slide bar, can clean the surface of filter screen.
The technical scheme of the invention is further improved as follows: defeated gas mechanism is including the casing, the bottom surface of casing is connected with the last fixed surface of atomizer box, the detachable air extractor that is connected with in inner wall bottom surface of casing, the detachable communicating pipe three that is connected with of output of air extractor, the detachable communicating pipe two that is connected with of input of air extractor, the one end of communicating pipe two extends to the inside of atomizer box, through the cooperation of communicating pipe two, air extractor and communicating pipe three, can carry the photodissociation mechanism with the tail gas in the atomizer box.
The technical scheme of the invention is further improved as follows: atomizing circulation mechanism is including the liquid reserve tank, one side of liquid reserve tank is provided with the liquid level table, one side of liquid reserve tank and one side fixed connection of atomizing case, the detachable water pumper that is connected with of upper surface of liquid reserve tank, the detachable catheter that is connected with of output of water pumper, the detachable liquid suction pipe that is connected with of input of water pumper, the detachable purification filtration collecting box that is connected with of the other end of liquid suction pipe, the upper surface of purification filtration collecting box is connected with the bottom surface of atomizing case is detachable, can filter the neutralization liquid that collects by the guide plate through purifying the filtration collecting box.
The technical scheme of the invention is further improved as follows: the last fixed surface of liquid reserve tank is connected with water pumper two, the detachable liquid suction pipe that is connected with of input of water pumper two, the detachable catheter two that is connected with of output of water pumper two, the one end fixedly connected with connecting pipe of catheter two, the surface of connecting pipe and the fixed surface of atomizer case are connected, the fixed surface of connecting pipe is connected with the atomizing pipe, the fixed surface of atomizing pipe is connected with atomizer, through the cooperation of water pumper two, connecting pipe, atomizing pipe and atomizer, can atomize the neutralizing solution in the liquid reserve tank and spout to the atomizer case.
The technical scheme of the invention is further improved as follows: photolysis mechanism is including the photodissociation case, one side of photodissociation case and the detachable connection of the one end three communicating pipe, the inner wall fixedly connected with air guide plate of photodissociation case, the upper surface detachable UV device that is connected with of photodissociation case, the detachable UV photodissociation fluorescent tube that is connected with in bottom surface of UV device, UV photodissociation fluorescent tube is located the inside of photodissociation case, one side fixedly connected with communicating pipe four of photodissociation case, through the cooperation of UV photodissociation fluorescent tube and UV device, can catalyze the photodissociation with the harmful substance in the tail gas.
The technical scheme of the invention is further improved as follows: purification component is including the purifying box, one side of purifying box and the detachable connection of one end communicating pipe four, the inner wall swing joint of purifying box has the filtration adsorption net, the last fixed surface of filtration adsorption net is connected with the air exhauster, through the cooperation of photodissociation case, air deflector and air exhauster, can adsorb the filtration to tail gas once more.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a tail gas desulfurization and denitrification method and a device thereof, wherein a collection box, a positive and negative motor, a screw rod, a first lifting slide block, a cleaning plate, a second lifting slide block and a limiting slide rod are matched, when the positive and negative motor rotates, the screw rod is driven to rotate, and due to the driving effect of the screw rod, the first lifting slide block is driven to be matched with the second lifting slide block to perform lifting motion under the limiting action of the limiting slide rod, so that the cleaning plate can be driven to lift, the outer surface of a filter screen is cleaned, dust accumulated on the outer surface of the limiting slide rod falls into the collection box, and workers can conveniently collect and treat the dust.
2. The invention provides a tail gas desulfurization and denitrification method and a device thereof, which can carry out preliminary adsorption treatment on tail gas by adopting the cooperation of an activated carbon net, a colloid filter screen and a filter screen.
3. The invention provides a tail gas desulfurization and denitration method and a device thereof, which adopt the matching of an atomization box, a first water pump, a first liquid guide pipe, a liquid suction pipe, a purification and filtration collecting box, a liquid storage box, a connecting pipe, a liquid suction pipe, a second liquid guide pipe, an atomization pipe and an atomization nozzle.
4. The invention provides a tail gas desulfurization and denitrification method and a device thereof, which adopt the matching of a communicating pipe II, an air extractor and a communicating pipe III, and convey the purified tail gas in an atomization box to a photolysis mechanism for physical purification and decomposition through the matching of the communicating pipe II and the air extractor by starting the air extractor.
5. The invention provides a tail gas desulfurization and denitration method and a device thereof, wherein a photolysis box, a gas guide plate, a UV photolysis lamp tube and a UV device are matched, the tail gas is conveyed into the photolysis box through a third communicating pipe, the UV photolysis lamp tube is started at the same time, a light source emitted by the UV photolysis lamp tube and harmful gas in the air are subjected to photolysis reaction and converted into harmless gas, and the flow path of the gas in the photolysis box can be increased through the arrangement of the gas guide plate in the up-down mode, so that the photolysis reaction time is further prolonged.
6. The invention provides a tail gas desulfurization and denitration method and a device thereof, which adopt the matching of a purifying box, a filtering and adsorbing net and an exhaust fan, lead the tail gas after being adsorbed and purified into the purifying box, match the filtering and adsorbing net for re-adsorption, and then be pumped by the exhaust fan, so that the treated tail gas can be directly discharged into the atmosphere.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of the dust removal assembly of the present invention;
FIG. 4 is a schematic view of the dust-removing adsorption mechanism of the present invention;
FIG. 5 is a schematic view of the structure of the atomization circulation mechanism of the present invention;
FIG. 6 is a partial structural schematic view of an atomization circulation mechanism of the present invention;
FIG. 7 is a schematic view of the gas delivery mechanism of the present invention;
FIG. 8 is a schematic view of the photolysis mechanism according to the present invention.
In the figure: 1. a tail gas treatment device; 2. a first communicating pipe; 3. a dust removal adsorption mechanism; 31. an adsorption tank; 32. a dust removal assembly; 321. a positive and negative motor; 322. a screw rod; 323. lifting the first sliding block; 324. cleaning the plate; 325. a second lifting slide block; 326. a limiting slide bar; 33. an activated carbon mesh; 34. a colloid filter screen; 35. a second communicating pipe; 36. a filter screen; 37. a collection box; 4. a tail gas amplification cover; 5. an atomizing assembly; 51. an atomization box; 511. a baffle; 6. a gas delivery mechanism; 61. a housing; 62. a second communicating pipe; 63. an air extractor; 64. a third communicating pipe; 7. an atomization circulation mechanism; 71. a first water pump; 711. a first liquid guide pipe; 72. a liquid pumping pipe; 73. a purifying and filtering collecting box; 74. a liquid storage tank; 741. a liquid level meter; 75. a connecting pipe; 76. a second water pump; 761. a liquid pumping pipe; 762. a second liquid guide pipe; 77. an atomizing tube; 78. an atomizing spray head; 8. a photolysis mechanism; 81. a photolysis tank; 82. a gas guide plate; 83. UV photolysis lamp tube; 84. a UV device; 85. a communicating pipe IV; 9. a purification assembly; 91. a purification box; 92. filtering and adsorbing net; 93. an exhaust fan.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1 to 8, the present invention provides a method for desulfurization and denitrification of exhaust gas, comprising the following steps:
s1: firstly, introducing the tail gas into a dust removal adsorption mechanism for preliminary dust removal and filtration;
s2: then introducing the filtered tail gas into an atomization mechanism for atomization and adsorption of sulfide gas in the tail gas;
s3: introducing the neutralized gas into a photolysis mechanism through a gas supply mechanism for physical photolysis;
s4: and finally, adsorbing and filtering the tail gas through the adsorption and filtration mechanism again, and then discharging.
Example 2
As shown in fig. 1-8, on the basis of embodiment 1, the present invention further provides a tail gas desulfurization and denitration device, which includes a tail gas treatment device 1, the tail gas treatment device 1 includes a first communication pipe 2, one end of the first communication pipe 2 is fixedly connected with a tail gas amplification cover 4, one end of the tail gas amplification cover 4 is detachably connected with a dust removal adsorption mechanism 3, an output end of the dust removal adsorption mechanism 3 is detachably connected with an atomization assembly 5, an upper surface of the atomization assembly 5 is detachably connected with a gas delivery mechanism 6, an outer surface of the atomization assembly 5 is fixedly connected with an atomization circulation mechanism 7, an output end of the gas delivery mechanism 6 is detachably connected with a photolysis mechanism 8, an output end of the photolysis mechanism 8 is detachably connected with a photolysis purification assembly 9, the dust removal adsorption mechanism 3 includes an adsorption tank 31, one side of the adsorption tank 31 is detachably connected with an outer surface of the tail gas amplification cover 4, the atomization assembly 5 includes an atomization tank 51, and a bottom surface of the atomization tank 51 is fixedly connected with a guide plate 511.
Further, the dust removing and adsorbing mechanism 3 comprises an adsorbing tank 31, the inner wall of the adsorbing tank 31 is movably connected with a dust removing component 32, the inner wall of the adsorbing tank 31 is movably clamped with an activated carbon net 33, a colloid filter screen 34 and a filter screen 36, the activated carbon net 33 is positioned between the colloid filter screen 34 and a second communicating pipe 35, one side of the adsorbing tank 31 is fixedly connected with a second communicating pipe 35, the inner wall of the adsorbing tank 31 is slidably connected with a collecting box 37, the dust removing component 32 comprises a forward and reverse motor 321, the bottom surface of the forward and reverse motor 321 is detachably connected with the upper surface of the adsorbing tank 31, the output end of the forward and reverse motor 321 is fixedly connected with a lead screw 322, the bottom surface of the lead screw 322 is rotatably connected with the bottom surface of the adsorbing tank 31, the outer surface of the lead screw 322 is in threaded connection with a first lifting slide block 323, one side of the first lifting slide block 323 is detachably connected with a cleaning plate 324, one side of the cleaning plate 324 is slidably connected with the outer surface of the filter screen 36, the other end of cleaning plate 324 is detachably connected with a second lifting slider 325, the inner wall sliding connection of the second lifting slider 325 is connected with a limit slide bar 326, the two ends of the limit slide bar 326 are connected with the inner wall sliding connection of adsorption box 31, when positive and negative motor 321 rotates, the lead screw 322 is driven to rotate, due to the driving effect of the lead screw 322, the first lifting slider 323 is driven to cooperate with the second lifting slider 325 to perform lifting motion under the limit of the limit slide bar 326, so that cleaning plate 324 can be driven to lift, the outer surface of filter screen 36 is cleaned, dust accumulated on the outer surface of the limit slide bar 326 falls into a collection box 37, workers can collect and process the dust conveniently, and through the activated carbon net 33, the colloid filter screen 34 and the filter screen 36 are matched, and preliminary adsorption treatment can be performed on tail gas.
Example 3
As shown in fig. 1-8, on the basis of embodiment 1 and embodiment 2, the present invention provides a technical solution: preferably, the gas transmission mechanism 6 comprises a housing 61, the bottom surface of the housing 61 is fixedly connected with the upper surface of the atomization tank 51, the bottom surface of the inner wall of the housing 61 is detachably connected with an air pump 63, the output end of the air pump 63 is detachably connected with a communication pipe III 64, the input end of the air pump 63 is detachably connected with a communication pipe II 62, one end of the communication pipe II 62 extends into the atomization tank 51, the atomization circulation mechanism 7 comprises a liquid storage tank 74, a liquid level gauge 741 is arranged on one side of the liquid storage tank 74, one side of the liquid storage tank 74 is fixedly connected with one side of the atomization tank 51, the upper surface of the liquid storage tank 74 is detachably connected with a water pump I71, the output end of the water pump I71 is detachably connected with a liquid guide pipe I711, the input end of the water pump I71 is detachably connected with a liquid extraction pipe 72, and the other end of the liquid extraction pipe 72 is detachably connected with a purification and filtration collection tank 73, the upper surface of the purifying and filtering collection box 73 is detachably connected with the bottom surface of the atomization box 51, the upper surface of the liquid storage box 74 is fixedly connected with a second water pump 76, the input end of the second water pump 76 is detachably connected with a liquid pumping pipe 761, the output end of the second water pump 76 is detachably connected with a second liquid guide pipe 762, one end of the second liquid guide pipe 762 is fixedly connected with a connecting pipe 75, the outer surface of the connecting pipe 75 is fixedly connected with the outer surface of the atomization box 51, the outer surface of the connecting pipe 75 is fixedly connected with an atomization pipe 77, the outer surface of the atomization pipe 77 is fixedly connected with an atomization nozzle 78, when sulfide gas in tail gas needs to be treated, the tail gas is introduced into the atomization box 51 through a second communicating pipe 35, the second water pump 76 is started at the same time, the neutralization solution in the liquid storage box 74 is conveyed into the connecting pipe 75 by matching of the liquid pumping pipe 761 and the second liquid guide pipe 762, and the atomization nozzle 78 are matched, carry out the atomizing with solution and spray, through atomization effect, can increase and gaseous area of contact between, thereby increase adsorption effect, and the liquid drop after the atomizing can collect bottom surface in the atomizer box 51, collect at last in purifying and filtering collecting box 73, through the filter effect who purifies and filter collecting box 73, the rethread starts water pumper 71, cooperation liquid suction pipe 72 and catheter 711 are drained the liquid reserve tank 74 once more with the neutralization solution after filtering, carry out the circulation and use, and carried out the photolysis in the photolysis mechanism 8 through gas transmission mechanism 6 by the adsorbed gas that atomizes.
Example 4
As shown in fig. 1 to 8, on the basis of embodiments 1 to 3, the present invention provides a technical solution: preferably, the photolysis mechanism 8 includes a photolysis box 81, one side of the photolysis box 81 is detachably connected to one end of a communication pipe three 64, an air guide plate 82 is fixedly connected to an inner wall of the photolysis box 81, a UV device 84 is detachably connected to an upper surface of the photolysis box 81, a UV photolysis lamp tube 83 is detachably connected to a bottom surface of the UV device 84, the UV photolysis lamp tube 83 is located inside the photolysis box 81, one side of the photolysis box 81 is fixedly connected to a communication pipe four 85, when the exhaust gas is conveyed into the photolysis box 81, the UV photolysis lamp tube 83 is simultaneously started, a light source emitted by the UV photolysis lamp tube 83 and harmful gas in the air are subjected to photolysis reaction and converted into harmless gas, a flow path of the gas in the photolysis box 81 can be increased through the upper and lower type arrangement of the air guide plate 82, further, the photolysis reaction time is increased, the purification assembly 9 includes a purification box 91, one side of the purification box 91 is connected to one end of the detachable four 85, an inner wall of the purification box 91 is connected to an adsorption net 92, a movable adsorption net 92 is connected to the purification box 93, the exhaust gas can be directly discharged into the purification box 93 through the adsorption net 93, and then the purification box 93, and the exhaust gas is directly treated by the adsorption net 93, and then the exhaust fan 93, and the exhaust gas is directly discharged into the purification box 93, and then is absorbed by the adsorption net 93, and then the purification box 93, and then is directly absorbed into the purification box 93.
The following is a detailed description of the working principle of the method and apparatus for desulfurization and denitration of tail gas.
As shown in fig. 1-8, first, industrial exhaust is conveyed to the adsorption tank 31 through the first communication pipe 2 in cooperation with the exhaust amplification cover 4, in cooperation with the activated carbon net 33, the colloid filter net 34 and the filter net 36, initial adsorption treatment can be performed on the exhaust, the exhaust contains solid particles, which are primarily filtered by the filter net 36 and attached to the surface of the filter net 36, the surface of the filter net 36 can be cleaned through the dust removal assembly 32, the exhaust filtered by the dust removal adsorption mechanism 3 is conveyed to the atomization tank 51 through the second communication pipe 35, and sulfide gas in the exhaust can be neutralized by the atomization neutralization action of the atomization circulation mechanism 7, then the purified and neutralized exhaust is conveyed to the photolysis mechanism 8 through the gas conveying mechanism 6, harmful substances in the exhaust are photolyzed by the catalysis action of the UV photolysis lamp tube 83 and the UV device 84, and finally conveyed to the purification assembly 9 for adsorption and purification again, and then the exhaust is discharged.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.
Claims (9)
1. A tail gas desulfurization and denitrification method is characterized by comprising the following steps: the tail gas desulfurization and denitrification method comprises the following steps:
s1: firstly, introducing the tail gas into a dust removal adsorption mechanism for preliminary dust removal and filtration;
s2: then introducing the filtered tail gas into an atomization mechanism to carry out atomization and adsorption on sulfide gas in the tail gas;
s3: introducing the neutralized gas into a photolysis mechanism through a gas supply mechanism for physical photolysis;
s4: and finally, adsorbing and filtering the tail gas through the adsorption and filtration mechanism again, and then discharging.
2. The method for desulfurization and denitrification of tail gas according to claim 1, wherein a tail gas desulfurization and denitrification device is provided, the tail gas desulfurization and denitrification device comprises a tail gas treatment device (1), the tail gas treatment device (1) comprises a first communicating pipe (2), one end of the first communicating pipe (2) is fixedly connected with a tail gas amplification cover (4), and the method is characterized in that: the detachable dust removal adsorption apparatus structure (3) that is connected with of one end of tail gas amplification cover (4), the detachable atomization component (5) that is connected with of output of dust removal adsorption apparatus structure (3), the detachable gas transmission mechanism (6) that is connected with of upper surface of atomization component (5), the fixed surface of atomization component (5) is connected with atomizing circulation mechanism (7), the detachable photolysis mechanism (8) that is connected with of output of gas transmission mechanism (6), the detachable purification unit (9) that is connected with of output of photolysis mechanism (8), dust removal adsorption apparatus constructs (3) including adsorption tank (31), one side of adsorption tank (31) and the detachable connection of surface of tail gas amplification cover (4), atomization component (5) are including atomization tank (51), the bottom surface fixedly connected with guide plate (511) of atomization tank (51).
3. The apparatus for desulfurization and denitrification of exhaust gas according to claim 2, characterized in that: dust removal adsorption apparatus constructs (3) including adsorption tank (31), the inner wall swing joint of adsorption tank (31) has dust removal subassembly (32), the inner wall activity joint of adsorption tank (31) has activated carbon net (33), colloid filter screen (34) and filter screen (36), activated carbon net (33) are located colloid filter screen (34) and are connected between two (35) of communicating pipe, one side fixedly connected with of adsorption tank (31) is connected with two (35) of communicating pipe, the inner wall sliding connection of adsorption tank (31) has collection box (37).
4. The apparatus for desulfurization and denitrification of exhaust gas according to claim 3, characterized in that: dust removal subassembly (32) are including positive and negative motor (321), the bottom surface of positive and negative motor (321) is connected with the upper surface detachable of adsorption box (31), output fixedly connected with lead screw (322) of positive and negative motor (321), the bottom surface of lead screw (322) is rotated with the bottom surface of adsorption box (31) and is connected, the surface threaded connection of lead screw (322) has lifting slide block one (323), one side detachable of lifting slide block one (323) is connected with clean board (324), one side of clean board (324) and the surface sliding connection of filter screen (36), the other end detachable of clean board (324) is connected with lifting slide block two (325), the inner wall sliding connection of lifting slide block two (325) has spacing slide bar (326), the both ends of spacing slide bar (326) and the inner wall sliding connection of adsorption box (31).
5. The apparatus for desulfurization and denitrification of exhaust gas according to claim 2, characterized in that: gas transmission mechanism (6) are including casing (61), the bottom surface of casing (61) is connected with the last fixed surface of atomizing case (51), the detachable air extractor (63) that is connected with of inner wall bottom surface of casing (61), the detachable communicating pipe third (64) that is connected with of output of air extractor (63), the detachable communicating pipe second (62) that is connected with of input of air extractor (63), the one end of communicating pipe second (62) extends to the inside of atomizing case (51).
6. The apparatus for desulfurization and denitrification of exhaust gas according to claim 2, characterized in that: atomizing circulation mechanism (7) is including liquid reserve tank (74), one side of liquid reserve tank (74) is provided with liquid level meter (741), one side of liquid reserve tank (74) and one side fixed connection of atomizing case (51), the detachable water pumper (71) that is connected with of upper surface of liquid reserve tank (74), the detachable catheter (711) that is connected with of output of water pumper (71), the detachable liquid suction pipe (72) that is connected with of input of water pumper (71), the detachable purification filtration collecting box (73) that is connected with of the other end of liquid suction pipe (72), the upper surface of purification filtration collecting box (73) is connected with the bottom surface of atomizing case (51) is detachable.
7. The apparatus for desulfurization and denitrification of exhaust gas according to claim 6, characterized in that: the last fixed surface of liquid reserve tank (74) is connected with two (76) water pumpers, the detachable liquid suction pipe (761) that is connected with of input of two (76) water pumpers, the detachable catheter two (762) that is connected with of output of two (76) water pumpers, the one end fixedly connected with connecting pipe (75) of catheter two (762), the surface of connecting pipe (75) and the fixed surface of atomization box (51) are connected, the fixed surface of connecting pipe (75) is connected with atomizing pipe (77), the fixed surface of atomizing pipe (77) is connected with atomizing shower nozzle (78).
8. The apparatus for desulfurization and denitrification of exhaust gas according to claim 2, wherein: photolysis mechanism (8) are including photolysis case (81), one side of photolysis case (81) and the detachable connection of one end of communicating pipe three (64), the inner wall fixedly connected with air guide plate (82) of photolysis case (81), the detachable UV device (84) that is connected with of upper surface of photolysis case (81), the detachable UV photodissociation fluorescent tube (83) that is connected with in bottom surface of UV device (84), UV photodissociation fluorescent tube (83) are located the inside of photolysis case (81), one side fixedly connected with of photolysis case (81) communicates pipe four (85).
9. The apparatus for desulfurization and denitrification of exhaust gas according to claim 2, wherein: purification subassembly (9) are including purifying box (91), one side of purifying box (91) and the detachable connection of one end of communicating pipe four (85), the inner wall swing joint of purifying box (91) has filtration adsorption net (92), the last fixed surface of filtration adsorption net (92) is connected with air exhauster (93).
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| CN202211218150.0A CN115430226A (en) | 2022-09-30 | 2022-09-30 | Tail gas desulfurization and denitrification method and device |
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| CN202211218150.0A CN115430226A (en) | 2022-09-30 | 2022-09-30 | Tail gas desulfurization and denitrification method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116351176A (en) * | 2023-06-02 | 2023-06-30 | 内蒙古工业大学 | Dust collector is used in weaving processing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116351176A (en) * | 2023-06-02 | 2023-06-30 | 内蒙古工业大学 | Dust collector is used in weaving processing |
| CN116351176B (en) * | 2023-06-02 | 2023-08-11 | 内蒙古工业大学 | Dust collector is used in weaving processing |
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