CN116272228B - Dust collector of dry-type SOx/NOx control of fire coal - Google Patents
Dust collector of dry-type SOx/NOx control of fire coal Download PDFInfo
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- CN116272228B CN116272228B CN202310551251.8A CN202310551251A CN116272228B CN 116272228 B CN116272228 B CN 116272228B CN 202310551251 A CN202310551251 A CN 202310551251A CN 116272228 B CN116272228 B CN 116272228B
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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
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- 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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Abstract
The utility model relates to the technical field of coal processing, in particular to a dust removal device for dry desulfurization and denitrification of coal, which can solve the following defects of the existing dust removal device: fine particles still remain in the treated flue gas, the filtering effect is poor, and the flue gas containing the fine particles is easy to pollute the environment after being discharged into the air; the particles cannot be collected, the particles on the surface of the filter screen are easy to fly, so that the particles are easy to float into the air to cause pollution, and the dust removal effect is poor; the utility model can carry out multistage filtration on the flue gas through the filter layer in the dust removal cylinder so as to facilitate desulfurization and denitrification treatment on the flue gas, thereby ensuring that the filtered flue gas meets the emission standard, then sucking out and spraying the particles in the flue gas, and the particles subjected to spray humidification are deposited at the bottom of the annular receiving hopper and cannot fly upwards, so that the particles in the flue gas can be uniformly collected, and the particles are prevented from drifting to the air to pollute the environment.
Description
Technical Field
The utility model relates to the technical field of coal processing, in particular to a dust removal device for dry desulfurization and denitrification of coal.
Background
The fire coal is a solid combustible mineral which is formed by burying plants underground to carry out biochemical and physicochemical changes, and in order to eliminate harmful substances in the fire coal, desulfurization and denitrification treatment is generally needed, and smoke dust affecting the environment can be generated in the desulfurization and denitrification process of the fire coal, so that dust removal treatment is also needed.
Technical solutions for desulfurization and denitration of coal-fired flue gas are provided in the prior art, for example: the utility model discloses a flue gas desulfurization, denitrification and dedusting integrated device of a coal-fired boiler, which is disclosed in Chinese patent publication No. CN216023712U, wherein fan blades blow flue gas to a filter screen, dust is filtered by the filter screen, and then the flue gas is desulfurized and denitrified by activated carbon, so that the dust in the flue gas is prevented from entering the air to cause air pollution.
However, the above patent suffers from the following drawbacks: 1. after the dust is desulfurized and denitrated by the filter screen and the activated carbon, fine particles still remain in the flue gas, and the filtering effect is poor, so that the flue gas containing the fine particles is easy to pollute the environment after being discharged into the air.
2. Because the flue gas contains particles, the above patent only can adhere the particles on the surface of the filter screen, and the particles on the surface of the filter screen cannot be collected, so that the particles on the surface of the filter screen fly easily, further fly into the air under the convection effect of wind blown out by the fan blades, and the dust removal effect is poor.
Disclosure of Invention
1. The technical problems to be solved are as follows: the utility model provides a dust removal device for dry desulfurization and denitrification of coal, which can solve the problems pointed out in the background technology.
2. The technical scheme is as follows: in order to achieve the purpose, the utility model adopts the following technical scheme that the dust removing device for dry desulfurization and denitrification of coal comprises a chimney, a dust removing cylinder, a dust collecting unit and a spraying unit, wherein the dust removing cylinder is arranged at the upper end of the chimney, one end of the dust removing cylinder, which is far away from the chimney, extends downwards, the dust collecting unit is arranged on the outer wall of the chimney, and the spraying unit is arranged on the dust collecting unit.
The dust collection unit comprises a connecting cylinder, a plurality of connecting cylinders communicated with the connecting cylinder are circumferentially and uniformly arranged on the lower side of the outer wall of the chimney, one end, away from the chimney, of the dust collection cylinder extends to be communicated with any connecting cylinder, annular storage chambers are jointly arranged at one ends, away from the chimney, of the connecting cylinders, the connecting cylinders are communicated with the annular storage chambers, a rotating shaft is connected to the inner wall of the connecting cylinder through a supporting frame in a rotating mode, an exhaust fan is sleeved on one side, close to the chimney, of the rotating shaft, and a linkage assembly is arranged between the rotating shaft and the connecting cylinders.
The spraying unit comprises a first supporting bracket, a plurality of first supporting brackets are uniformly arranged at the circumference of the upper end of the annular storage chamber, a water tank is arranged at the upper end of the first supporting bracket, a plurality of second supporting brackets which are staggered with the first supporting brackets are uniformly arranged at the circumference of the upper end of the annular storage chamber, a water pump is arranged at the upper end of the second supporting bracket, the water inlet end of the water pump is connected with one adjacent water tank through a connecting pipe, a spraying piece connected with the water pump is further arranged at the upper end of the annular storage chamber, and a material receiving assembly is arranged at the lower end of the annular storage chamber.
As a preferable technical scheme of the utility model, the linkage assembly comprises a fixed plate, the lower end of the connecting cylinder is provided with the fixed plate, one side of the fixed plate, which is close to the chimney, is rotationally connected with a positioning shaft, the positioning shaft is connected with the rotating shaft through a belt, the belt penetrates through the connecting cylinder, one end, which is far away from the fixed plate, of the positioning shaft is sleeved with a bevel gear, the outer wall of the chimney is rotationally connected with an annular tooth holder meshed with the bevel gear through an annular plate, and a driving motor connected with the positioning shaft of the outer wall of the chimney is arranged on any fixed plate through a motor holder.
As a preferable technical scheme of the utility model, the spraying piece consists of an annular water pipe and a first spraying head, the upper end of the annular storage chamber is provided with the annular water pipe, the annular water pipe is positioned on the inner sides of the first support bracket and the second support bracket, the water outlet end of the water pump extends into the annular water pipe, the first spraying head communicated with the annular water pipe is uniformly arranged at the circumferential direction of the lower end of the annular water pipe, and the first spraying head extends into the annular storage chamber.
As a preferable technical scheme of the utility model, the material receiving assembly comprises a blanking opening, a plurality of blanking openings are uniformly formed in the circumference of the bottom wall of the annular material storage chamber, a conical cylinder is arranged at the bottom of the blanking opening, the diameter of the conical cylinder gradually decreases from top to bottom, an annular material receiving hopper is detachably arranged at the bottom of the annular material storage chamber, and the cross section of the annular material receiving hopper is of a U-shaped structure.
As a preferable technical scheme of the utility model, the dust removing cylinder is arranged at the upper end of the chimney and is communicated with the chimney, two brackets are symmetrically arranged on the upper side of the outer wall of the chimney around the axis of the chimney, one end of the bracket, which is far away from the chimney, is connected with the dust removing cylinder, the upper side of the dust removing cylinder is of a detachable structure, and a filter layer is arranged in the upper side of the dust removing cylinder in a detachable mode.
As a preferable technical scheme of the utility model, the filter layer consists of a dust removing layer, active carbon and a chemical filter screen, wherein the chemical filter screen is arranged on two sides of the active carbon, and the dust removing layer is arranged on one side of the chemical filter screen far away from the active carbon.
As a preferable technical scheme of the utility model, a drain pipe is further arranged near the water outlet end of the water pump of the dust removal cylinder, and one end of the drain pipe, which is far away from the water pump, extends to the inside of the upper side of the dust removal cylinder and is provided with a second spray head.
As a preferable technical scheme of the utility model, the belt is in sliding fit with the connecting cylinder, and a sealing piece for preventing smoke leakage is arranged between the belt and the connecting cylinder.
3. The beneficial effects are that: 1. according to the utility model, the flue gas can be subjected to multistage filtration by matching the filter layer, the dust collection unit and the spraying unit in the dust collection cylinder, so that desulfurization and denitration treatment can be conveniently performed on the flue gas, the filtered flue gas is ensured to meet the emission standard, and then larger particles in the flue gas are sucked out and sprayed, so that the weight of the particles is increased, and the particles in the flue gas are collected uniformly.
2. According to the dust collection unit, particles with larger diameters in the flue gas in the chimney are sucked into the connecting cylinder through the exhaust fan and are discharged into the annular storage chamber, so that the larger particles in the flue gas can be conveniently collected, the particles are prevented from being attached to the inner wall of the chimney or being difficult to discharge, and further desulfurization and denitrification treatment is carried out on the flue gas, so that the filtering effect is enhanced.
3. According to the spraying unit provided by the utility model, the first spraying head sprays water mist into the annular storage chamber, so that the smoke in the annular storage chamber is humidified, and then the second spraying head sprays the smoke into the dust removing cylinder, so that the smoke filtered in the dust removing cylinder is washed, fine particles of the smoke in the dust removing cylinder are ensured to be discharged into the annular storage chamber after passing through the dust removing cylinder and the connecting cylinder, the humidified particles are deposited at the bottom of the annular receiving hopper and cannot fly upwards, the particles in the smoke can be uniformly collected, and the particles are prevented from drifting into the air to pollute the environment.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic perspective view of the chimney, dust removing cylinder and connecting cylinder of the present utility model.
Fig. 3 is an enlarged view of a portion of fig. 2 a of the present utility model.
Fig. 4 is a cross-sectional view (longitudinal section along the chimney) of the present utility model.
Fig. 5 is a partial enlarged view of fig. 4 at B in accordance with the present utility model.
Fig. 6 is an enlarged view of a portion of fig. 4 at C in accordance with the present utility model.
Figure 7 is a partial cutaway view of the suction unit and spray unit of the present utility model.
Fig. 8 is a partial enlarged view of fig. 7D of the present utility model.
Fig. 9 is a partial cutaway view of the spray unit of the present utility model.
Reference numerals: 1. a chimney; 2. a dust removal cylinder; 21. a bracket; 22. a filter layer; 3. a dust collection unit; 31. a connecting cylinder; 311. a seal; 32. an annular storage chamber; 33. a support frame; 34. a rotating shaft; 35. an exhaust fan; 36. a linkage assembly; 361. a fixing plate; 362. positioning a shaft; 363. bevel gears; 364. an annular plate; 365. an annular tooth holder; 366. a driving motor; 4. a spraying unit; 41. a first support bracket; 42. a water tank; 43. a second support bracket; 44. a water pump; 45. a spray member; 451. an annular water pipe; 452. a first spray head; 453. a drain pipe; 454. a second spray head; 46. a receiving assembly; 461. a feed opening; 462. a conical cylinder; 463. and an annular receiving hopper.
Detailed Description
Embodiments of the utility model are described in detail below with reference to the attached drawings, but the utility model can be implemented in a number of different ways, which are defined and covered by the claims.
Referring to fig. 1 and 2, a dust collector for dry desulfurization and denitrification of coal comprises a chimney 1, a dust collection cylinder 2, a dust collection unit 3 and a spraying unit 4, wherein the dust collection cylinder 2 is installed at the upper end of the chimney 1, one end of the dust collection cylinder 2 far away from the chimney 1 extends downwards, the dust collection cylinder 2 is installed at the upper end of the chimney 1 and is communicated with the chimney 1, two brackets 21 are symmetrically installed on the upper side of the outer wall of the chimney 1 about the axis of the dust collection cylinder, one end of the brackets 21 far away from the chimney 1 is connected with the dust collection cylinder 2, the upper side of the dust collection cylinder 2 is of a detachable structure, a filter layer 22 is installed inside the upper side of the dust collection cylinder 2 in a detachable mode, the filter layer 22 consists of a dust collection layer, activated carbon and a chemical filter screen, the chemical filter screen is arranged on two sides of the activated carbon, and the dust collection layer is arranged on one side of the chemical filter screen far away from the activated carbon; the flue gas that fire coal produced in desulfurization denitration in-process is discharged through chimney 1, and then flue gas gets into dust removal section of thick bamboo 2, carries out multistage filtration to the flue gas through filter layer 22 again to be convenient for carry out desulfurization denitration treatment to the flue gas, thereby ensure that the flue gas after filtering accords with emission standard, chimney 1 outer wall is provided with dust absorption unit 3, installs on the dust absorption unit 3 and sprays unit 4, carries out the quick dust removal operation to the flue gas that produces when fire coal desulfurization denitration through the cooperation between dust removal section of thick bamboo 2, dust absorption unit 3 and the spraying unit 4.
Referring to fig. 2, 3, 4, 5 and 6, the dust collection unit 3 comprises a connecting cylinder 31, a plurality of connecting cylinders 31 communicated with the connecting cylinder are circumferentially and uniformly arranged on the lower side of the outer wall of the chimney 1, one end, far away from the chimney 1, of the dust collection cylinder 2 extends to be communicated with any connecting cylinder 31, an annular storage chamber 32 is jointly arranged at one end, far away from the chimney 1, of the connecting cylinders 31, the connecting cylinder 31 is communicated with the annular storage chamber 32, the inner wall of the connecting cylinder 31 is rotationally connected with a rotating shaft 34 through a supporting frame 33, an exhaust fan 35 is sleeved on one side, close to the chimney 1, of the rotating shaft 34, and a linkage assembly 36 is arranged between the rotating shaft 34 and the connecting cylinder 31; the linkage assembly 36 comprises a fixed plate 361, the lower end of the connecting cylinder 31 is provided with the fixed plate 361, one side of the fixed plate 361, which is close to the chimney 1, is rotationally connected with a positioning shaft 362, the positioning shaft 362 is connected with the rotating shaft 34 through a belt, the belt passes through the connecting cylinder 31, the belt is in sliding fit with the connecting cylinder 31, a sealing piece 311 for preventing smoke leakage is arranged between the belt and the connecting cylinder 31, one end, which is far away from the fixed plate 361, of the positioning shaft 362 is sleeved with a bevel gear 363, the outer wall of the chimney 1 is rotationally connected with an annular tooth holder 365 meshed with the bevel gear 363 through an annular plate 364, and a driving motor 366 connected with the positioning shaft 362 of the outer wall of the fixing plate 361 is arranged on any fixed plate 361 through a motor holder.
When the flue gas desulfurization and denitrification filter works, the driving motor 366 is started, the driving motor 366 drives the positioning shaft 362 to rotate, the positioning shaft 362 drives the annular tooth holder 365 to rotate through the bevel gear 363, the annular tooth holder 365 drives the rest bevel gear 363 and the positioning shaft 362 to rotate, the positioning shaft 362 drives the rotating shaft 34 and the exhaust fan 35 to rotate through the belt, so that the exhaust fan 35 applies suction force to the connecting cylinder 31, which is directed far away from one side of the chimney 1, when particles with larger diameters in flue gas cannot float downwards along with rising of the flue gas, the particles with larger diameters can be sucked into the connecting cylinder 31 through the exhaust fan 35 and are discharged into the annular storage chamber 32, so that the larger particles in the flue gas can be conveniently collected, the particles are prevented from being adhered to the inner wall of the chimney 1 or being difficult to be discharged, in addition, the particles in the connecting cylinder 31 can be completely discharged into the annular storage chamber 32 through the exhaust fan 35, so that the particles are prevented from remaining on the inner bottom wall of the connecting cylinder 31, and the particles can be prevented from entering the inner wall of the connecting cylinder 31 through the exhaust fan 35, so that the particles are adhered to the inner wall of the connecting cylinder 31, and the flue gas desulfurization and denitrification filter effect is further enhanced.
Referring to fig. 6, 7, 8 and 9, the spray unit 4 includes a first support bracket 41, a plurality of first support brackets 41 are uniformly disposed at the upper end of the annular storage chamber 32 in the circumferential direction, a water tank 42 is mounted at the upper end of the first support bracket 41, a plurality of second support brackets 43 which are staggered with the first support brackets 41 are uniformly disposed at the upper end of the annular storage chamber 32 in the circumferential direction, a water pump 44 is mounted at the upper end of the second support brackets 43, the water inlet end of the water pump 44 is connected with one of the adjacent water tanks 42 through a connecting pipe, a spray piece 45 connected with the water pump 44 is further disposed at the upper end of the annular storage chamber 32, the spray piece 45 is composed of an annular water pipe 451 and a first spray head 452, an annular water pipe 451 is disposed at the upper end of the annular storage chamber 32, the annular water pipe 451 is located at the inner sides of the first support bracket 41 and the second support brackets 43, a first spray head 452 communicated with the lower end of the annular water pipe 451 is uniformly mounted at the circumferential direction, the first spray head 452 extends to the annular storage chamber 32, and a material receiving assembly 46 is disposed at the lower end of the annular storage chamber 32; the water outlet end of the water pump 44 close to the dust removal barrel 2 is further provided with a drain pipe 453, one end of the drain pipe 453, which is far away from the water pump 44, extends to the inside of the upper side of the dust removal barrel 2 and is provided with a second spray head 454, the material receiving assembly 46 comprises a material discharging opening 461, a plurality of material discharging openings 461 are uniformly formed in the circumferential direction of the inner bottom wall of the annular material storage chamber 32, a conical barrel 462 is arranged at the bottom of the material discharging opening 461, the diameter of the conical barrel 462 is gradually reduced from top to bottom, an annular material receiving hopper 463 is mounted at the bottom of the annular material storage chamber 32 in a detachable mode, and the cross section of the annular material receiving hopper 463 is of a U-shaped structure.
When the dust collector is operated, a certain amount of water is firstly injected into the water tank 42, then the water pump 44 is started, the water pump 44 discharges water into the annular water pipe 451, the annular water pipe 451 sprays water mist into the annular storage chamber 32 through the first spraying head 452 so as to moisten the flue gas in the annular storage chamber 32, so that the weight of particles in the flue gas is increased and falls down to the inner bottom wall of the annular storage chamber 32, then the particles fall into the annular storage hopper 463 through the blanking opening 461 and the conical cylinder 462, the moistened particles cannot lift up through the conical cylinder 462 so as to ensure that the particles are deposited at the bottom of the annular storage hopper 463, meanwhile, the water pump 44 close to one side of the dust collection cylinder 2 discharges water into the second spraying head 454 through the drain pipe 453 so that the second spraying head 454 sprays water into the interior of the dust collection cylinder 2, so as to wash the filtered flue gas in the dust collection cylinder 2, the fine particles in the flue gas in the dust collection cylinder 2 quickly fall into the connecting cylinder 31 below the dust collection cylinder, and then the exhaust 35 in the connecting cylinder 31 discharges the fine particles into the annular storage chamber 32 to the annular storage chamber so as to prevent the particles from flying down to the environment.
The working process of the utility model is as follows: s1: flue gas generated in the desulfurization and denitrification process of the coal is discharged through the chimney 1 and enters the dust removal cylinder 2, then the flue gas is subjected to multi-stage filtration through the filter layer 22 so as to ensure that the filtered flue gas meets the discharge standard, and then a certain amount of water is injected into the water tank 42.
S2: the positioning shaft 362 is driven to rotate by the driving motor 366, the positioning shaft 362 drives the annular tooth holder 365 to rotate by the bevel gear 363, so that the annular tooth holder 365 drives the rest bevel gears 363 and the positioning shaft 362 to rotate, the positioning shaft 362 drives the rotating shaft 34 and the exhaust fan 35 to rotate by the belt, so that the exhaust fan 35 applies suction force to the connecting cylinder 31, which is directed far away from one side of the chimney 1, and when particles with larger diameters in the flue gas cannot float downwards along with rising of the flue gas, the particles with larger diameters can be sucked into the connecting cylinder 31 by the exhaust fan 35 and discharged into the annular storage chamber 32.
S3: the water is discharged into the annular water pipe 451 through the water pump 44, the annular water pipe 451 sprays water mist into the annular storage chamber 32 through the first spraying head 452, so that the flue gas in the annular storage chamber 32 is humidified, the weight of particles in the flue gas is increased and falls down to the inner bottom wall of the annular storage chamber 32, then the particles fall into the annular receiving hopper 463 through the blanking hole 461 and the conical barrel 462, at the same time, the water pump 44 close to one side of the dust removing barrel 2 discharges the water into the second spraying head 454 through the water drain pipe 453, so that the second spraying head 454 sprays the dust removing barrel 2, the fine particles of the flue gas in the dust removing barrel 2 quickly fall into the connecting barrel 31 below the dust removing barrel 2, then the exhaust fan 35 in the connecting barrel 31 discharges the fine particles into the annular storage chamber 32, so that the particles in the flue gas are uniformly collected, and then the annular receiving hopper 463 is detached and the particles in the dust removing barrel can be poured.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (4)
1. The utility model provides a dust collector of dry-type SOx/NOx control of fire coal, its characterized in that includes chimney (1), dust removal section of thick bamboo (2), dust absorption unit (3) and spray unit (4), dust removal section of thick bamboo (2) are installed to chimney (1) upper end, and dust removal section of thick bamboo (2) are kept away from the one end downwardly extending of chimney (1), and chimney (1) outer wall is provided with dust absorption unit (3), installs on dust absorption unit (3) and sprays unit (4), accomplishes the quick dust removal operation of flue gas that produces when fire coal SOx/NOx control through the cooperation between dust removal section of thick bamboo (2), dust absorption unit (3) and spray unit (4);
the dust collection unit (3) comprises a connecting cylinder (31), a plurality of connecting cylinders (31) communicated with the lower side of the outer wall of the chimney (1) are circumferentially and uniformly arranged, one end, far away from the chimney (1), of the dust collection cylinder (2) extends to be communicated with any connecting cylinder (31), annular storage chambers (32) are commonly arranged at one ends, far away from the chimney (1), of the connecting cylinders (31), the connecting cylinders (31) are communicated with the annular storage chambers (32), rotating shafts (34) are rotatably connected to the inner wall of the connecting cylinders (31) through supporting frames (33), exhaust fans (35) are sleeved on one sides, close to the chimney (1), of the rotating shafts (34), and linkage components (36) are arranged between the rotating shafts (34) and the connecting cylinders (31);
the spraying unit (4) comprises a first supporting bracket (41), a plurality of first supporting brackets (41) are uniformly arranged at the upper end of the annular storage chamber (32) in the circumferential direction, water tanks (42) are arranged at the upper end of the first supporting bracket (41), a plurality of second supporting brackets (43) which are staggered with the first supporting brackets (41) are uniformly arranged at the upper end of the annular storage chamber (32) in the circumferential direction, a water pump (44) is arranged at the upper end of the second supporting bracket (43), the water inlet end of the water pump (44) is connected with one adjacent water tank (42) through a connecting pipe, a spraying piece (45) connected with the water pump (44) is further arranged at the upper end of the annular storage chamber (32), and a material receiving component (46) is arranged at the lower end of the annular storage chamber (32);
the linkage assembly (36) comprises a fixed plate (361), the lower end of the connecting cylinder (31) is provided with the fixed plate (361), one side of the fixed plate (361) close to the chimney (1) is rotationally connected with a positioning shaft (362), the positioning shaft (362) is connected with the rotating shaft (34) through a belt, the belt passes through the connecting cylinder (31), one end of the positioning shaft (362) far away from the fixed plate (361) is sleeved with a bevel gear (363), the outer wall of the chimney (1) is rotationally connected with an annular tooth holder (365) meshed with the bevel gear (363) through an annular plate (364), and a driving motor (366) connected with the positioning shaft (362) of the outer wall of the chimney is arranged on any fixed plate (361) through a motor holder;
the spraying piece (45) consists of an annular water pipe (451) and a first spraying head (452), the annular water pipe (451) is arranged at the upper end of the annular storage chamber (32), the annular water pipe (451) is positioned at the inner sides of the first support bracket (41) and the second support bracket (43), the water outlet end of the water pump (44) extends into the annular water pipe (451), the first spraying head (452) communicated with the annular water pipe (451) is uniformly arranged at the circumferential direction of the lower end of the annular water pipe (451), and the first spraying head (452) extends into the annular storage chamber (32);
the material receiving assembly (46) comprises a material discharging opening (461), a plurality of material discharging openings (461) are uniformly formed in the circumferential direction of the inner bottom wall of the annular material storage chamber (32), a conical barrel (462) is arranged at the bottom of the material discharging opening (461), the diameter of the conical barrel (462) is gradually reduced from top to bottom, an annular material receiving hopper (463) is arranged at the bottom of the annular material storage chamber (32) in a detachable mode, and the cross section of the annular material receiving hopper (463) is of a U-shaped structure;
the dust removal cylinder (2) is arranged at the upper end of the chimney (1) and is communicated with the chimney, two brackets (21) are symmetrically arranged on the upper side of the outer wall of the chimney (1) around the axis of the chimney, one end of the bracket (21) away from the chimney (1) is connected with the dust removal cylinder (2), the upper side of the dust removal cylinder (2) is of a detachable structure, and a filter layer (22) is arranged inside the upper side of the dust removal cylinder (2) in a detachable mode.
2. The dust removal device for dry desulfurization and denitrification of fire coal according to claim 1, wherein: the filter layer (22) is composed of a dust removing layer, active carbon and a chemical filter screen, wherein the chemical filter screen is arranged on two sides of the active carbon, and the dust removing layer is arranged on one side, far away from the active carbon, of the chemical filter screen.
3. The dust removal device for dry desulfurization and denitrification of fire coal according to claim 1, wherein: the water outlet end of the water pump (44) close to the dust removal barrel (2) is also provided with a drain pipe (453), and one end of the drain pipe (453) far away from the water pump (44) extends to the upper side inside of the dust removal barrel (2) and is provided with a second spray head (454).
4. The dust removal device for dry desulfurization and denitrification of fire coal according to claim 1, wherein: the belt is in sliding fit with the connecting cylinder (31), and a sealing piece (311) for preventing smoke leakage is arranged between the belt and the connecting cylinder (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310551251.8A CN116272228B (en) | 2023-05-17 | 2023-05-17 | Dust collector of dry-type SOx/NOx control of fire coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310551251.8A CN116272228B (en) | 2023-05-17 | 2023-05-17 | Dust collector of dry-type SOx/NOx control of fire coal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116272228A CN116272228A (en) | 2023-06-23 |
| CN116272228B true CN116272228B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310551251.8A Active CN116272228B (en) | 2023-05-17 | 2023-05-17 | Dust collector of dry-type SOx/NOx control of fire coal |
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| Country | Link |
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| CN (1) | CN116272228B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399337A (en) * | 2014-11-25 | 2015-03-11 | 广西农垦糖业集团红河制糖有限公司 | Boiler chimney dust collection system and dust collection method |
| CN111888903A (en) * | 2020-09-01 | 2020-11-06 | 霍普斯特科技(深圳)有限公司 | Industrial waste gas desulfurization dust collector |
| CN216537624U (en) * | 2021-11-03 | 2022-05-17 | 郑州市鼎诚建材有限公司 | Water-reducing agent dust exhaust system |
-
2023
- 2023-05-17 CN CN202310551251.8A patent/CN116272228B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399337A (en) * | 2014-11-25 | 2015-03-11 | 广西农垦糖业集团红河制糖有限公司 | Boiler chimney dust collection system and dust collection method |
| CN111888903A (en) * | 2020-09-01 | 2020-11-06 | 霍普斯特科技(深圳)有限公司 | Industrial waste gas desulfurization dust collector |
| CN216537624U (en) * | 2021-11-03 | 2022-05-17 | 郑州市鼎诚建材有限公司 | Water-reducing agent dust exhaust system |
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| Publication number | Publication date |
|---|---|
| CN116272228A (en) | 2023-06-23 |
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