CN112892197A - Desulfurization and denitrification treatment process for high-temperature flue gas discharged from hazardous waste disposal - Google Patents
Desulfurization and denitrification treatment process for high-temperature flue gas discharged from hazardous waste disposal Download PDFInfo
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- CN112892197A CN112892197A CN202110088568.3A CN202110088568A CN112892197A CN 112892197 A CN112892197 A CN 112892197A CN 202110088568 A CN202110088568 A CN 202110088568A CN 112892197 A CN112892197 A CN 112892197A
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- desulfurization
- flue gas
- sponge
- temperature flue
- denitration
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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
- B01D53/79—Injecting reactants
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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
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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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4263—Means for active heating or cooling
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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
- B01D53/50—Sulfur 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
- B01D53/46—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
- B01D53/75—Multi-step processes
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention discloses a desulfurization and denitrification treatment process for high-temperature flue gas discharged from hazardous waste disposal. When the desulfurization and denitrification treatment equipment for the high-temperature flue gas discharged from the hazardous waste disposal is used for desulfurization and denitrification treatment of the high-temperature flue gas discharged from the hazardous waste disposal, the desulfurization and denitrification treatment equipment comprises the following steps: s1, injecting smoke; s2, primary filtering; s3, cooling the flue gas; s4, filtering the smoke; and S5, discharging the smoke. The invention not only can lead the hazardous waste high-temperature flue gas to be in full contact reaction with the desulfurization and denitrification solution, but also has long service life without frequent material replacement and maintenance.
Description
Technical Field
The invention relates to the technical field of flue gas desulfurization and denitration treatment, in particular to a desulfurization and denitration treatment process for high-temperature flue gas discharged from hazardous waste disposal.
Background
The industrial flue gas refers to a high-temperature flue gas desulfurization and denitrification technology, and is a boiler flue gas purification technology applied to the chemical industry of generating multiple nitrogen oxides and sulfur oxides. Nitrogen oxides and sulfur oxides are one of the main sources of air pollution. Therefore, the application of the hazardous waste disposal technology has great benefits for purifying the environmental air.
However, the existing high-temperature flue gas desulfurization and denitration treatment equipment for hazardous waste disposal discharge has the following problems when the desulfurization and denitration treatment is carried out on the hazardous waste high-temperature flue gas: the existing high-temperature flue gas desulfurization and denitration treatment equipment for hazardous waste disposal adopts direct spraying of desulfurization and denitration solution and filtering material to filter hazardous waste high-temperature flue gas when desulfurization and denitration treatment is carried out on the hazardous waste high-temperature flue gas, the hazardous waste high-temperature flue gas cannot be effectively contacted with the desulfurization and denitration solution, and the filtering material of the hazardous waste high-temperature flue gas needs to be frequently replaced and maintained to cause cost improvement.
Disclosure of Invention
In order to solve the problems, the invention provides a desulfurization and denitrification treatment process for high-temperature flue gas discharged by hazardous waste disposal, which can solve the problems mentioned above.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: the utility model provides an useless outer high temperature flue gas desulfurization denitration treatment process of handling of danger, this useless outer high temperature flue gas desulfurization denitration treatment process of handling of danger adopts following treatment facility, and this useless outer high temperature flue gas desulfurization denitration treatment facility of handling of danger includes treatment barrel, base bucket, support, air inlet, gas outlet, filter mechanism and cooling body, the treatment barrel is lower extreme open-ended tubbiness structure, and the base bucket is upper end open-ended tubbiness structure, and the base bucket setting is provided with the support on the lateral wall of base bucket, and is provided with the air inlet at the lower extreme of base bucket, and the gas outlet setting is on the lateral wall of being close to the upper end of treatment barrel, and the upside of handling a section of thick bamboo is provided with filter mechanism, and cooling body sets up the downside at handling a section of thick bamboo:
the filtering mechanism comprises a first rotating shaft, a second rotating shaft, a driving branched chain, denitration sponge, desulfurization sponge, a collecting ring, a collecting groove, a guide pipe, a first spraying pipe, a second spraying pipe and an atomizing nozzle, wherein the first rotating shaft is connected to the middle position of the upper end of the treatment barrel in a rotation fit manner, the second rotating shaft penetrates through the first rotating shaft, the second rotating shaft is connected with the first rotating shaft in a rotation fit manner, the upper end surface of the treatment barrel is provided with the driving branched chain for driving the first rotating shaft and the second rotating shaft to rotate, the lower end of the first rotating shaft is provided with the denitration sponge, the lower end of the second rotating shaft is provided with the desulfurization sponge, the inner wall of the treatment barrel at the lower side of the denitration sponge and the desulfurization sponge is provided with the collecting ring, the lower end surfaces of the denitration sponge and the desulfurization sponge are in sliding contact with the collecting ring, the collecting groove, the first spraying pipe and the second spraying pipe are respectively communicated with the outer side of the treatment barrel through communicating pipes, and the first spraying pipe and the second spraying pipe are respectively and uniformly provided with atomizing nozzles;
when the desulfurization and denitrification treatment equipment for the high-temperature flue gas exhausted outside the hazardous waste disposal is used for desulfurization and denitrification treatment of the hazardous waste high-temperature flue gas, the desulfurization and denitrification treatment equipment comprises the following steps:
s1, flue gas injection: introducing the hazardous waste high-temperature flue gas into the base barrel from the gas inlet and sequentially passing through the cooling mechanism and the filtering mechanism;
s2, primary filtration: filtering larger particles of hazardous waste high-temperature smoke when the hazardous waste high-temperature smoke passes through the inner base barrel;
s3, cooling flue gas: cooling the high-temperature flue gas passing through the hazardous waste by a cooling mechanism;
s4, filtering the smoke: when the dangerous waste flue gas passes through the filtering mechanism, the sulfur and the nitrate contained in the dangerous waste flue gas are filtered;
s5, smoke discharge: and the treated hazardous waste flue gas is discharged out of the equipment through the gas outlet.
As a preferred technical scheme of the invention, the driving branched chain comprises a driving box, a first bevel gear, a second bevel gear, a rotating column, a third bevel gear and a driving motor, wherein the driving box is arranged on the upper end surface of the processing barrel, the first bevel gear is arranged at the upper end of the first rotating shaft, the second rotating gear is arranged at the upper end of the second rotating shaft, the rotating column is arranged on the right side wall in the driving box in a rotating fit manner, the third bevel gear is arranged on the rotating column, the third bevel gear is respectively meshed with the first bevel gear and the second bevel gear, the driving motor is arranged at the upper end of the driving box, and an output shaft of the driving motor is connected with the second rotating shaft.
As a preferred technical scheme of the invention, the inner walls of the treatment barrel, which are close to the upper end surfaces of the denitration sponge and the desulfurization sponge, are provided with baffle rings, and the lower end surfaces of the baffle rings are respectively in sliding contact with the corresponding upper end surfaces of the denitration sponge and the desulfurization sponge.
As a preferred technical scheme of the invention, the lower end of the second rotating shaft is provided with a circulating fan blade.
According to a preferred technical scheme, the cooling mechanism comprises a first fixing plate, a second fixing plate, a cooling copper pipe, a water inlet pipe and a water outlet pipe, the first fixing plate and the second fixing plate which are opposite to each other are arranged on the inner wall of the lower side of the treatment barrel, the cooling copper pipe is uniformly arranged between the first fixing plate and the second fixing plate, the cooling copper pipe enables the upper end face of the first fixing plate to be communicated with the lower end face of the second fixing plate, the water inlet pipe is arranged on the side wall of the treatment barrel on the lower side between the first fixing plate and the second fixing plate, and the water outlet pipe is arranged on the side wall of the treatment barrel on the upper side between the.
As a preferable technical scheme of the invention, the treatment barrel is connected with the base barrel through a flange.
As a preferred technical scheme of the invention, the inner wall of the upper side of the base barrel is provided with a placing groove, and a filter plate is arranged in the placing groove in a sliding manner.
The invention has the beneficial effects that:
1. the invention can solve the following problems of the existing desulfurization and denitrification treatment equipment for high-temperature flue gas discharged from hazardous waste disposal when the desulfurization and denitrification treatment is carried out on the high-temperature flue gas discharged from the hazardous waste disposal: the existing high-temperature flue gas desulfurization and denitration treatment equipment for hazardous waste disposal adopts direct spraying of desulfurization and denitration solution and filtering material to filter hazardous waste high-temperature flue gas when desulfurization and denitration treatment is carried out on the hazardous waste high-temperature flue gas, the hazardous waste high-temperature flue gas cannot be effectively contacted with the desulfurization and denitration solution, and the filtering material of the hazardous waste high-temperature flue gas needs to be frequently replaced and maintained to cause cost improvement. The invention not only can lead the hazardous waste high-temperature flue gas to be in full contact reaction with the desulfurization and denitrification solution, but also has long service life without frequent material replacement and maintenance.
2. According to the invention, the hazardous waste high-temperature flue gas is introduced into the base barrel from the air inlet, and the hazardous waste high-temperature flue gas passes upwards through the filter plate to filter relatively large particles from the hazardous waste high-temperature flue gas, so that the relatively large particles are prevented from being aggregated and bonded in the equipment, the filtering effect on the hazardous waste high-temperature flue gas can be increased, and the cleanness in the equipment is kept for convenient maintenance.
3. According to the invention, the dangerous waste high-temperature flue gas is filtered by the filter plate and then enters the cooling copper pipe upwards, heat in the dangerous waste high-temperature flue gas is conducted to the cooling copper pipe, cooling water is continuously introduced into the space between the first fixing plate and the second fixing plate from the water inlet pipe and flows out from the water outlet pipe in an upward flowing manner, the cooling water is contacted with the cooling copper pipe, the cooling copper pipe conducts the heat into the cooling water, and the heat is taken out by the continuously flowing cooling water, so that the aim of effectively cooling the dangerous waste high-temperature flue gas can be achieved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 2 in accordance with the present invention;
fig. 6 is a schematic structural diagram of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 6, a high temperature flue gas desulfurization and denitration treatment process is discharged to useless processing of danger, this high temperature flue gas desulfurization and denitration treatment process is discharged to useless processing of danger adopts following treatment facility, and this high temperature flue gas desulfurization and denitration treatment process is discharged to useless processing of danger includes treatment bucket 1, base bucket 2, support 3, air inlet 4, gas outlet 5, filter mechanism 6 and cooling body 7, treatment bucket 1 is lower extreme open-ended tubbiness structure, and base bucket 2 is upper end open-ended tubbiness structure, and base bucket 2 sets up the lower extreme at treatment bucket 1, is provided with support 3 on the lateral wall of base bucket 2, and is provided with air inlet 4 at the lower extreme of base bucket 2, and gas outlet 5 sets up on the lateral wall of treatment bucket 1 near the upper end, and the upside of treatment barrel is provided with filter mechanism 6, and cooling body 7 sets up the downside at the treatment barrel, wherein:
the inner wall of 2 upsides of base bucket has seted up standing groove 21, and the slip is provided with filter 22 in standing groove 21, through flange joint between processing barrel 1 and the base bucket 2, convenient to detach maintains and changes filter 22.
During specific work, with the useless high temperature flue gas of danger in letting in base bucket 2 from air inlet 4, the useless high temperature flue gas of danger upwards filters the material of wherein great granule from the useless high temperature flue gas of danger through filter 22, prevents that the material of great granule from cohering in the equipment, can increase the filter effect to the useless high temperature flue gas of danger, keeps the clean maintenance of being convenient for in the equipment simultaneously, uses to change after the certain degree at filter 22.
During specific operation, useless high temperature flue gas of danger gets into cooling copper pipe 73 to last entering after the filtration of filter 22, heat conduction in the useless high temperature flue gas of danger is to cooling copper pipe 73 on, let in the continuous inlet tube 74 of follow of cooling water and be full of between fixed plate 71 and No. two fixed plates 72, and make the continuous flow that makes progress of cooling water flow from outlet pipe 5, the cooling water contacts with cooling copper pipe 73, cooling copper pipe 73 is with heat conduction to the cooling water in, the continuous cooling water that flows takes the heat away, thereby can effectually carry out the purpose of cooling to the useless high temperature flue gas of danger.
The filtering mechanism 6 comprises a first rotating shaft 61, a second rotating shaft 62, a driving mechanism 63, a denitration sponge 64, a desulfurization sponge 65, a collecting ring 66, a collecting groove 67, a delivery pipe 68, a first spraying pipe 69, a second spraying pipe 610 and an atomizing spray head 611, wherein the first rotating shaft 61 is connected to the middle position of the upper end of the treatment barrel 1 in a rotating fit manner, the second rotating shaft 62 penetrates through the first rotating shaft 61, the second rotating shaft 62 is connected with the first rotating shaft 61 in a rotating fit manner, the driving mechanism 63 for driving the first rotating shaft 61 and the second rotating shaft 62 to rotate is arranged on the upper end surface of the treatment barrel 1, the denitration sponge 64 is arranged at the lower end of the first rotating shaft 61, the desulfurization sponge 65 is arranged at the lower end of the second rotating shaft 62, the collecting ring 66 is arranged on the inner wall of the treatment barrel 1 at the lower side of the denitration sponge 64 and the desulfurization sponge 65, and the lower end surfaces of the denitration sponge 64 and the desulfurization sponge 65 are in sliding, a collecting ring 66 is provided with a collecting groove 67, the collecting groove 67 is communicated with the outside of the treatment barrel 1 through a delivery pipe 68, the denitration sponge 64 and the inner wall of the treatment barrel 1 on the upper side of the desulfuration sponge 65 are respectively and uniformly provided with a first spraying pipe 69 and a second spraying pipe 610, the first spraying pipe 69 and the second spraying pipe 610 are respectively communicated with the outside of the treatment barrel 1 through communicating pipes, and the first spraying pipe 69 and the second spraying pipe 610 in the treatment barrel 1 are respectively and uniformly provided with atomizing nozzles 611;
the driving mechanism 63 comprises a driving box 631, a bevel gear 632, a second bevel gear 633, a rotating column 634, a third bevel gear 635 and a driving motor 636, the upper end surface of the processing barrel 1 is provided with the driving box 631, the upper end of the first rotating shaft 61 is provided with the first bevel gear 632, the second rotating gear is arranged at the upper end of the second rotating shaft 62, the rotating column 634 is arranged on the right side wall in the driving box 631 in a rotating fit manner, the third bevel gear 635 is arranged on the rotating column 634, the third bevel gear 635 is meshed with the first bevel gear 632 and the second bevel gear 633 respectively, the driving motor 636 is arranged at the upper end of the driving box 631, and the output shaft of the driving motor 636 is connected with the second rotating shaft 62.
When the denitration sponge 65 and desulfurization sponge 65 work, the denitration sponge 64 and desulfurization sponge 65 respectively rotate along with the first rotating shaft 61 and the second rotating shaft 62, the denitration sponge 64 and desulfurization sponge 65 rotate along with the desulfurization sponge 65, the denitration sponge 64 and desulfurization sponge 65 rotate along with the second rotating shaft, the denitration sponge 610 and desulfurization sponge 610 continuously feed denitration liquid and desulfurization liquid, the denitration sponge 64 and desulfurization sponge 65 respectively spray on the denitration sponge 64 and desulfurization sponge 65 through the atomizing nozzles 611, the denitration sponge 64 and desulfurization sponge 65 absorb a certain amount of denitration liquid and desulfurization liquid and throw out excessive amount towards the edge during rotation, the amounts of the denitration liquid and the desulfurization liquid on the denitration sponge 64 and the desulfurization sponge 65 are kept balanced, the denitration liquid and the desulfurization liquid on the denitration sponge 64 and the desulfurization sponge 65 are uniformly distributed when being thrown out to the edge, and the denitration liquid and the desulfurization liquid can be effectively prevented from being gathered, so that the air permeability of the denitration sponge 64 and the desulfurization sponge 65 is reduced, so that the cooled hazardous waste high-temperature flue gas can effectively and sequentially pass through the desulfurization sponge 65 and the denitration sponge 64, the nitric oxide and the sulfur oxide in the hazardous waste flue gas are fully contacted with the denitration liquid and the desulfurization liquid and react when respectively passing through the denitration sponge 64 and the desulfurization sponge 65, so that the nitric oxide and the sulfur oxide in the flue gas are filtered, the denitration liquid and the desulfurization liquid after reaction with the flue gas are thrown out to the flow collecting groove 67 by the rotating denitration sponge 64 and the desulfurization sponge 65, and other particles filtered in the denitration sponge 64 and the desulfurization sponge 65 are thrown to the flow collecting groove 67 by throwing, effectual prevent too much influence filter effect of debris in denitration sponge 64 and the desulfurization sponge 65 to improved denitration sponge 64 and desulfurization sponge 65's life, reduced the maintenance cost, liquid in the mass flow groove 67 is derived and is collected it through contact tube 68, and the danger exhaust fume after being filtered passes through 5 discharge apparatus in gas outlet.
When nitre sponge 64 and desulfurization sponge 65 rotate to opposite direction, can disturb the useless high temperature flue gas of danger in handling bucket 1 for the useless flue gas of danger distributes evenly.
The inner wall of the treatment barrel 1, which is close to the upper end faces of the denitration sponge 64 and the desulfurization sponge 65, is provided with the baffle ring 11, the lower end face of the baffle ring 11 is in sliding contact with the upper end faces of the denitration sponge 64 and the desulfurization sponge 65 corresponding to the baffle ring respectively, the edges of the denitration sponge 64 and the desulfurization sponge 65 are prevented from being in loose contact with the collector ring 66, and the sealing performance is improved.
No. two 62 lower extremes of axis of rotation are provided with circulation flabellum 621, and circulation flabellum 621 follows the axis of rotation No. two for the flue gas is upwards drawn from down, has increased the flue gas and has handled 1 ascending flow velocity of bucket, the effectual filtration efficiency who improves the useless flue gas of danger.
When the desulfurization and denitrification treatment equipment for the high-temperature flue gas exhausted outside the hazardous waste disposal is used for desulfurization and denitrification treatment of the hazardous waste high-temperature flue gas, the desulfurization and denitrification treatment equipment comprises the following steps:
s1, flue gas injection: introducing the hazardous waste high-temperature flue gas into the base barrel 2 from the gas inlet 4 and sequentially passing through the cooling mechanism 7 and the filtering mechanism 6;
s2, primary filtration: filtering larger particles of hazardous waste high-temperature flue gas when the hazardous waste high-temperature flue gas passes through the inner base barrel 2;
s3, cooling flue gas: cooling the high-temperature flue gas passing through the hazardous waste by a cooling mechanism 7;
s4, filtering the smoke: when the dangerous waste flue gas passes through the filtering mechanism 6, the sulfur and the nitrate contained in the dangerous waste flue gas are filtered;
s5, smoke discharge: the treated hazardous waste flue gas is discharged out of the equipment through the gas outlet 5.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides an outer high temperature flue gas desulfurization denitration treatment process of arranging of useless processing of danger, this outer high temperature flue gas desulfurization denitration treatment process of useless processing of danger adopts following treatment facility, and this outer high temperature flue gas desulfurization denitration treatment facility of useless processing of danger includes processing barrel (1), base bucket (2), support (3), air inlet (4), gas outlet (5), filter mechanism (6) and cooling body (7), its characterized in that: handle bucket (1) and be lower extreme open-ended tubbiness structure, base bucket (2) are upper end open-ended tubbiness structure, base bucket (2) set up the lower extreme at handling bucket (1), be provided with support (3) on the lateral wall of base bucket (2), and be provided with air inlet (4) at the lower extreme of base bucket (2), gas outlet (5) set up on the lateral wall of being close to the upper end of handling bucket (1), the upside of handling a section of thick bamboo is provided with filtering mechanism (6), cooling mechanism (7) set up the downside at handling a section of thick bamboo, wherein:
the filter mechanism (6) comprises a first rotating shaft (61), a second rotating shaft (62), a driving branched chain (63), denitration sponge (64), desulfurization sponge (65), a collecting ring (66), a collecting groove (67), a delivery pipe (68), a first spraying pipe (69), a second spraying pipe (610) and an atomizing spray head (611), wherein the first rotating shaft (61) is connected to the middle position of the upper end of the treatment barrel (1) in a rotating fit manner, the second rotating shaft (62) penetrates through the first rotating shaft (61), the second rotating shaft (62) is connected with the first rotating shaft (61) in a rotating fit manner, the driving branched chain (63) for driving the first rotating shaft (61) and the second rotating shaft (62) to rotate is arranged on the upper end face of the treatment barrel (1), the denitration sponge (64) is arranged at the lower end of the first rotating shaft (61), and the desulfurization sponge (65) is arranged at the lower end of the second rotating shaft (62), a collecting ring (66) is arranged on the inner wall of the treatment barrel (1) at the lower side of the denitration sponge (64) and the desulfurization sponge (65), the lower end faces of the denitration sponge (64) and the desulfurization sponge (65) are in sliding contact with the collecting ring (66) at the lower side of the denitration sponge (64) and the desulfurization sponge (65), a collecting groove (67) is formed in the collecting ring (66), the collecting groove (67) is communicated with the outside of the treatment barrel (1) through a guide pipe (68), the inner wall of the treatment barrel (1) at the upper side of the denitration sponge (64) and the desulfurization sponge (65) is respectively and uniformly provided with a first spraying pipe (69) and a second spraying pipe (610), the first spraying pipe (69) and the second spraying pipe (610) are respectively communicated through communication pipes at the outer side of the treatment barrel (1), and atomizing nozzles (611) are respectively and uniformly arranged in the first spraying pipe (69) and the second spraying pipe (610) in the treatment barrel (1;
when the desulfurization and denitrification treatment equipment for the high-temperature flue gas exhausted outside the hazardous waste disposal is used for desulfurization and denitrification treatment of the hazardous waste high-temperature flue gas, the desulfurization and denitrification treatment equipment comprises the following steps:
s1, flue gas injection: dangerous waste high-temperature flue gas is introduced into the base barrel (2) from the gas inlet (4) and sequentially passes through the cooling mechanism (7) and the filtering mechanism (6);
s2, primary filtration: the hazardous waste high-temperature smoke filters larger granular substances when passing through the inner base barrel (2);
s3, cooling flue gas: cooling the high-temperature flue gas passing through the dangerous waste by a cooling mechanism (7);
s4, filtering the smoke: when the dangerous waste flue gas passes through the filtering mechanism (6), the sulfur and the nitrate contained in the dangerous waste flue gas are filtered;
s5, smoke discharge: the treated hazardous waste flue gas is discharged out of the equipment through the gas outlet (5).
2. The desulfurization and denitrification treatment process for the high-temperature flue gas discharged from the hazardous waste disposal facility according to claim 1, characterized in that: drive branch chain (63) are including drive case (631), bevel gear (632) No. two bevel gear (633), rotate post (634), bevel gear (635) No. three and driving motor (636), the up end of handling bucket (1) is provided with drive case (631), a axis of rotation (61) upper end is provided with bevel gear (632) No. two, No. two bevel gear sets up the upper end at axis of rotation (62) No. two, rotate post (634) and set up on the right side wall in drive case (631) with normal running fit's mode, bevel gear (635) No. three sets up on rotating post (634), and bevel gear (635) No. three respectively with bevel gear (632) and bevel gear (633) intermeshing No. two, driving motor (636) sets up the upper end at drive case (631), and the output shaft and the axis of rotation (62) No. two of driving motor (636) are connected.
3. The desulfurization and denitrification treatment process for the high-temperature flue gas discharged from the hazardous waste disposal facility according to claim 1, characterized in that: the inner wall of the treatment barrel (1) close to the upper end faces of the denitration sponge (64) and the desulfurization sponge (65) is provided with a baffle ring (11), and the lower end face of the baffle ring (11) is in sliding contact with the upper end faces of the denitration sponge (64) and the desulfurization sponge (65) corresponding to the baffle ring respectively.
4. The desulfurization and denitrification treatment process for the high-temperature flue gas discharged from the hazardous waste disposal facility according to claim 1, characterized in that: and the lower end of the second rotating shaft (62) is provided with a circulating fan blade (621).
5. The desulfurization and denitrification treatment process for the high-temperature flue gas discharged from the hazardous waste disposal facility according to claim 1, characterized in that: cooling body (7) are including fixed plate (71), No. two fixed plates (72), cooling copper pipe (73), inlet tube (74) and outlet pipe (5), be provided with relative fixed plate (71) and No. two fixed plates (72) from top to bottom on the inner wall of treatment bucket (1) downside, cooling copper pipe (73) evenly set up between fixed plate (71) and No. two fixed plates (72), and cooling copper pipe (73) make fixed plate (71) up end and No. two fixed plate (72) lower extreme face UNICOM, be provided with inlet tube (74) on treatment bucket (1) lateral wall of downside between fixed plate (71) and No. two fixed plates (72), be provided with outlet pipe (5) on treatment bucket (1) lateral wall of upside between fixed plate (71) and No. two fixed plates (72).
6. The desulfurization and denitrification treatment process for the high-temperature flue gas discharged from the hazardous waste disposal facility according to claim 1, characterized in that: the treatment barrel (1) is connected with the base barrel (2) through a flange.
7. The desulfurization and denitrification treatment process for the high-temperature flue gas discharged from the hazardous waste disposal facility according to claim 1, characterized in that: a placing groove (21) is formed in the inner wall of the upper side of the base barrel (2), and a filter plate (22) is arranged in the placing groove (21) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110088568.3A CN112892197A (en) | 2021-01-22 | 2021-01-22 | Desulfurization and denitrification treatment process for high-temperature flue gas discharged from hazardous waste disposal |
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| CN202110088568.3A CN112892197A (en) | 2021-01-22 | 2021-01-22 | Desulfurization and denitrification treatment process for high-temperature flue gas discharged from hazardous waste disposal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457398A (en) * | 2021-06-28 | 2021-10-01 | 徐四保 | Multistage recyclable chemical flue gas desulfurization and denitrification equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457398A (en) * | 2021-06-28 | 2021-10-01 | 徐四保 | Multistage recyclable chemical flue gas desulfurization and denitrification equipment |
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Application publication date: 20210604 |