CN108800182B - Boiler flue gas desulfurization treatment system - Google Patents
Boiler flue gas desulfurization treatment system Download PDFInfo
- Publication number
- CN108800182B CN108800182B CN201810867157.2A CN201810867157A CN108800182B CN 108800182 B CN108800182 B CN 108800182B CN 201810867157 A CN201810867157 A CN 201810867157A CN 108800182 B CN108800182 B CN 108800182B
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- Prior art keywords
- dust
- pipe
- cooling
- box
- tower
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- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 34
- 230000023556 desulfurization Effects 0.000 title claims abstract description 34
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000003546 flue gas Substances 0.000 title claims abstract description 24
- 239000000428 dust Substances 0.000 claims abstract description 174
- 238000001816 cooling Methods 0.000 claims abstract description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000000498 cooling water Substances 0.000 claims abstract description 45
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 26
- 239000007921 spray Substances 0.000 claims abstract description 21
- 239000003595 mist Substances 0.000 claims abstract description 11
- 238000000889 atomisation Methods 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 239000000779 smoke Substances 0.000 claims description 19
- 230000000903 blocking effect Effects 0.000 claims description 7
- 239000010802 sludge Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- 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 provides a boiler flue gas desulfurization treatment system, which comprises a boiler and a desulfurization tower, wherein a flue gas exhaust pipe is arranged at the top of the boiler, a cooling pipe is horizontally arranged at the outlet of the flue gas exhaust pipe, a cooling box is coated outside the cooling pipe, a spiral cooling coil pipe is arranged in the cooling box, the cooling coil pipe is sleeved on the peripheral surface of the cooling pipe, the outlet of the cooling pipe is connected with an exhaust pipe, the outlet of the exhaust pipe is connected with one side of the lower part of a dust falling tower, a dust baffle is arranged in the dust falling tower, the outlet of the exhaust pipe is positioned on one side of the dust baffle, a desulfurization pipe is arranged on the dust falling tower at the other side of the dust baffle, and a dust control component is arranged at the bottom of the dust falling tower; at least a dust collection plate is arranged in the middle of the desulfurizing tower, a water mist area is reserved at the upper part of the desulfurizing tower, a water spray pipe is arranged in the water mist area, a water spray opening is arranged at the bottom of the water spray pipe, and an atomization plate is arranged below the water spray opening. The cooling water recycling device has the advantages of reasonable structure, good use effect and capability of recycling cooling water.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to a boiler flue gas desulfurization treatment system.
Background
The existing boiler flue gas desulfurization modes mainly comprise in-furnace desulfurization, dry flue gas desulfurization, wet flue gas desulfurization and the like. The dry method treatment equipment is large in size and investment; the wet packing absorption tower, the plate absorption tower, the cyclone plate absorption tower and the like are more common in economical and practical angles, and the energy consumption of the modes is larger.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a boiler flue gas desulfurization treatment system which has reasonable structure and good use effect and can recycle cooling water.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows: the boiler flue gas desulfurization treatment system comprises a boiler and a desulfurization tower, wherein a smoke exhaust pipe is arranged at the top of the boiler, a cooling pipe is horizontally arranged at the outlet of the smoke exhaust pipe, a cooling box is coated outside the cooling pipe, a spiral cooling coil pipe is arranged in the cooling box, the cooling coil pipe is sleeved on the peripheral surface of the cooling pipe, an exhaust pipe is connected at the outlet of the cooling pipe, the outlet of the exhaust pipe is connected with one side of the lower part of the dust falling tower, a dust baffle is arranged in the dust falling tower, the top and two sides of the dust baffle are connected with the inner side wall of the dust falling tower to form a seal, an air flow channel is formed at the bottom opening, the outlet of the exhaust pipe is positioned at one side of the dust baffle, a desulfurization pipe is arranged on the dust falling tower at the other side of the dust baffle, the desulfurization pipe is connected with one side of the lower part of the desulfurization tower, and a dust control component is arranged at the bottom of the dust falling tower; at least two layers of drawer type dust collection plates are arranged in the middle of the desulfurizing tower, a water mist area is reserved at the upper part of the desulfurizing tower, a water spray pipe is arranged in the water mist area, water spray ports are arranged at the bottoms of the water spray pipes, and inverted V-shaped atomizing plates with the number more than 2 are arranged in the desulfurizing tower below the water spray ports; a cooling water tank is formed by digging up and down the ground on one side of the boiler, cooling water is filled in the cooling water tank, a cooling water pump is arranged in the cooling water tank, the cooling water pump is connected with one end of a cooling coil pipe, the other end of the cooling coil pipe is connected with a spray pipe through a water mist pipe, the bottom of an inner cavity of the desulfurizing tower is separated by a partition plate to form a dust falling box and an overflow channel, the dust falling box is positioned below an outlet of the desulfurizing pipe, a natural cooling tank is formed by digging up and down the ground on one side of the cooling water tank, the depth of the natural cooling tank is smaller than that of the cooling water tank, one end of the natural cooling tank is connected with the bottom of the overflow channel, and the other end of the natural cooling tank is connected with the cooling water tank; an air outlet pipe is arranged at the top of the desulfurization tower, an outlet of the air outlet pipe is connected with one end of a cooling box, and a chimney connected to the outside of the cooling box is arranged at the other end of the cooling box; one end of the bottom of the cooling box is provided with a water return pipe which is connected with a cooling water pool.
The ash control assembly comprises a bracket, an ash collecting hopper is arranged at the top of the bracket, the top of the ash collecting hopper is connected with the bottom of the dust falling tower, one side wall of the bottom of the dust falling tower extends downwards to form a hinged plate, the lower part of the other side of the dust falling tower opposite to the hinged plate is inclined to form a dust guide plate, the lower end of the dust guide plate is positioned at one side of the hinged plate, the end part of the lower end of the dust guide plate extends downwards vertically to form a limiting plate, a dust guide opening is arranged at the bottom of the dust falling tower between the limiting plate and the hinged plate, and a dust collecting box is hinged at the bottom of the hinged plate; the center of the top of the dust box is hinged to the bottom of the hinged plate through a hinge shaft, one end of the hinged dust box is positioned below the dust guide opening, the other end of the hinged dust box is suspended, the top of the suspended end of the hinged dust box is sealed, a counterweight is fixed on the lateral wall of the outer side of the suspended end, an opening of the top of the dust box below the dust guide opening forms a dust inlet, an opening of the end of the dust box below the limiting plate forms an ash outlet, an ash blocking plate is movably hinged to the ash outlet, a magnet which is attracted with each other is arranged between the top of the ash blocking plate and the lateral wall of the limiting plate, and a movable ash collecting box is placed on the ground below the dust box.
The desulfurizing tower on one side of the dust drop box is provided with a sludge access hole, and the sludge access hole is sealed through an access door.
The dust fall box above the overflow channel is internally provided with a water guide plate which is obliquely arranged, and the lower end of the water guide plate extends to the upper part of the dust fall box.
The atomizing board face on be equipped with splash atomizing hole.
The dust collection plate consists of a frame and honeycomb paper arranged in the frame, and the frame is movably inserted in the desulfurizing tower.
After the scheme is adopted, the flue gas generated by the boiler enters the cooling pipe through the smoke exhaust pipe, the cooling water pump pumps the cooling water into the cooling coil pipe, the cooling coil pipe is contacted with the cooling pipe to cool and absorb heat of the flue gas, the flue gas cooled by the cooling pipe enters the dust falling tower through the exhaust pipe, primary dust falling is carried out through the dust baffle plate, the dust after primary dust falling is guided into the dust box through the dust collecting hopper and the dust guide plate, the weight of one end of the counterweight of the dust box in an original state is larger than that of one end of the dust inlet, under the action of the counterweight, the top of the dust baffle plate and the magnet of the limit plate are in suction action, so that the dust box and the dust collecting hopper form sealing connection, when the dust is collected to a certain weight, the weight of one end of the dust inlet is larger than that of one end of the counterweight, the suction of the magnet is insufficient, one end of the dust inlet is lowered, the dust baffle plate is opened, the collected dust is discharged from the dust outlet into the dust collecting box, and the dust is reset under the action of the counterweight after the dust is poured out; flue gas after primary dust falls gets into the desulfurizing tower, the cooling water after the heat absorption passes through the water smoke pipe and supplies with the shower nozzle, spray down to the atomizing plate through the shower nozzle, splash under the effect of atomizing plate forms water smoke, can cool down when splashing into water smoke, the cooperation dust absorption board carries out desulfurization to the flue gas when water smoke falls, wet air after the desulfurization is discharged into the cooling tank by the air discharge pipe, wet air heating stoving is carried out by the cooling tank, clean air after the heating stoving is discharged outdoors through the chimney, water smoke forms after collecting through the dust absorption board and drops and fall to the dust and deposit in the case, upper clean water after the dust falls the incasement deposit and carries out secondary precipitation through overflow channel overflow entering natural cooling tank, get into cooling water pond cyclic utilization after secondary precipitation. The cooling water recycling device has the advantages of reasonable structure, good use effect and capability of recycling cooling water.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic view of the ash control assembly according to the present invention.
Fig. 3 is a schematic view of an opening structure of the ash blocking plate of the present invention.
Detailed Description
The invention is further described below with reference to all drawings, in which preferred embodiments of the invention are: referring to fig. 1 to 3, the boiler flue gas desulfurization treatment system according to the embodiment comprises a boiler 1 and a desulfurization tower 6, wherein a flue gas exhaust pipe 2 is arranged at the top of the boiler 1, a cooling pipe 4 is horizontally arranged at the outlet of the flue gas exhaust pipe 2, a cooling box 7 is coated on the outer side of the cooling pipe 4, a spiral cooling coil 8 is arranged in the cooling box 7, the cooling coil 8 is sleeved on the outer peripheral surface of the cooling pipe 4, an exhaust pipe 5 is connected at the outlet of the cooling pipe 4, the outlet of the exhaust pipe 5 is connected with one side of the lower part of a dust falling tower 14, a dust baffle 15 is arranged in the dust falling tower 14, the top and two sides of the dust baffle 15 are connected with the inner side wall of the dust falling tower 14 to form a seal, an air flow channel is formed at the bottom opening, the outlet of the exhaust pipe 5 is positioned at one side of the dust baffle 15, a desulfurization pipe is arranged on the dust falling tower 14 at the other side of the dust baffle 15, the desulfurization pipe is connected with one side of the lower part of the desulfurization tower 6, and a dust control component is arranged at the bottom of the dust falling tower 14; the middle part of the desulfurizing tower 6 is provided with at least two layers of drawer type dust collection plates 9, each dust collection plate 9 consists of a frame and honeycomb paper arranged in the frame, the frame is movably inserted in the desulfurizing tower 6, a water mist area is reserved at the upper part of the desulfurizing tower 6, a water spray pipe 10 is arranged in the water mist area, a water spray opening is arranged at the bottom of the water spray pipe 10, inverted V-shaped atomization plates 11 with the number more than 2 are arranged in the desulfurizing tower 6 below the water spray opening, and splash atomization holes 12 are formed in the surface of the atomization plates 11; a cooling water tank 13 is formed by digging up and down the ground on one side of the boiler 1, cooling water is filled in the cooling water tank 13, a cooling water pump is arranged in the cooling water tank 13, the cooling water pump is connected with one end of a cooling coil pipe 8 through a water supply pipe, the other end of the cooling coil pipe 8 is connected with a water spray pipe 10 through a water mist pipe, the bottom of an inner cavity of a desulfurizing tower 6 is separated by a partition plate to form a dust falling box 16 and an overflow channel 17, the dust falling box 16 is positioned below an outlet of the desulfurizing pipe, a sludge access hole is formed in the desulfurizing tower 6 on one side of the dust falling box 16, the sludge access hole is sealed through an access door 19, a natural cooling groove 20 is formed by digging up and down the ground on one side of the cooling water tank 13, the depth of the natural cooling groove 20 is smaller than the depth of the cooling water tank 13, one end of the natural cooling groove 20 is connected with the bottom of the overflow channel 17, a water guide plate 18 which is obliquely arranged is arranged in the dust falling box 16 above the overflow channel 17, and the lower end of the water guide plate 18 extends to above the dust falling box 16; the other end of the natural cooling tank 20 is connected with a cooling water tank 13; an air outlet pipe 21 is arranged at the top of the desulfurizing tower 6, the outlet of the air outlet pipe 21 is connected with one end of a cooling box 7, and a chimney 22 connected to the outside is arranged at the other end of the cooling box 7; one end of the bottom of the cooling box 7 is provided with a water return pipe which is connected with a cooling water tank 13.
The ash control assembly comprises a bracket 31, an ash collecting hopper 32 is arranged at the top of the bracket 31, the top of the ash collecting hopper 32 is connected with the bottom of the dust fall tower 14, a side wall of one side of the bottom of the dust fall tower 14 extends downwards to form a hinge plate 35, the lower part of the other side of the dust fall tower 14 opposite to the hinge plate 35 is inclined to form a dust guide plate 34, the lower end of the dust guide plate 34 is positioned at one side of the hinge plate 35, the lower end of the dust guide plate 34 extends vertically downwards to form a limit plate 37, a dust guide opening is arranged at the bottom of the dust fall tower 14 between the limit plate 37 and the hinge plate 35, and a dust box 36 is hinged at the bottom of the hinge plate 35; the center of the top of the dust box 36 is hinged to the bottom of the hinged plate 35 through a hinge shaft, one end of the hinged dust box 36 is located below the dust guide opening, the other end of the hinged dust box 36 is suspended, the top of the suspended end is sealed, a counterweight 38 is fixed on the lateral wall of the outer side of the suspended end, a dust inlet is formed in the top opening of the dust box 36 below the dust guide opening, an ash outlet 39 is formed in the end opening of the dust box 36 below the limiting plate 37, an ash blocking plate 310 is movably hinged to the ash outlet 39, a magnet which is attracted with each other is arranged between the top of the ash blocking plate 310 and the lateral wall of the limiting plate 37, and a movable dust box 311 is placed on the ground below the dust box 36.
According to the embodiment, smoke generated by a boiler enters a cooling pipe through a smoke exhaust pipe, a cooling water pump pumps the cooling water into a cooling coil, the cooling pipe is contacted with the cooling pipe to cool and absorb heat of the smoke, the smoke cooled by the cooling pipe enters a dust falling tower through an exhaust pipe, primary dust falling is carried out through a dust baffle, the dust after primary dust falling is led into a dust box through a dust collecting hopper and a dust guide plate, the weight of one end of a counterweight of the dust box in an original state is larger than that of one end of a dust inlet, under the action of the counterweight, the top of the dust baffle and the suction action of a limiting plate magnet enable the dust box to be in sealing connection with the dust collecting hopper, when the dust is collected to a certain weight, the weight of one end of the dust inlet is larger than that of one end of the counterweight, the suction of the magnet is insufficient, one end of the dust inlet is lowered, the dust baffle is opened, the collected dust is discharged from the dust outlet into the dust box, and the dust box is reset under the action of the counterweight after the dust is poured out; flue gas after primary dust falls gets into the desulfurizing tower, the cooling water after the heat absorption passes through the water smoke pipe and supplies with the shower nozzle, spray down to the atomizing plate through the shower nozzle, splash under the effect of atomizing plate forms water smoke, can cool down when splashing into water smoke, the cooperation dust absorption board carries out desulfurization to the flue gas when water smoke falls, wet air after the desulfurization is discharged into the cooling tank by the air discharge pipe, wet air heating stoving is carried out by the cooling tank, clean air after the heating stoving is discharged outdoors through the chimney, water smoke forms after collecting through the dust absorption board and drops and fall to the dust and deposit in the case, upper clean water after the dust falls the incasement deposit and carries out secondary precipitation through overflow channel overflow entering natural cooling tank, get into cooling water pond cyclic utilization after secondary precipitation. The cooling water recycling device has the advantages of reasonable structure, good use effect and capability of recycling cooling water.
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, so that all changes made in the shape and principles of the present invention are covered by the scope of the present invention.
Claims (3)
1. The boiler flue gas desulfurization treatment system comprises a boiler (1) and a desulfurization tower (6), wherein the top of the boiler (1) is provided with a smoke exhaust pipe (2), and is characterized in that: the cooling pipe (4) is horizontally arranged at the outlet of the smoke exhaust pipe (2), the cooling box (7) is coated on the outer side of the cooling pipe (4), a spiral cooling coil pipe (8) is arranged in the cooling box (7), the cooling coil pipe (8) is sleeved on the outer peripheral surface of the cooling pipe (4), the outlet of the cooling pipe (4) is connected with the exhaust pipe (5), the outlet of the exhaust pipe (5) is connected with one side of the lower part of the dust falling tower (14), the dust falling tower (14) is internally provided with a dust baffle (15), the top and two sides of the dust baffle (15) are connected with the inner side wall of the dust falling tower (14) to form a seal, an air flow channel is formed by opening at the bottom, the outlet of the exhaust pipe (5) is positioned on one side of the dust baffle (15), the dust falling tower (14) on the other side of the dust baffle (15) is provided with a desulfurization pipe, the desulfurization pipe is connected with one side of the lower part of the desulfurization tower (6), and the bottom of the dust falling tower (14) is provided with a dust control component; at least two layers of drawer type dust collection plates (9) are arranged in the middle of the desulfurizing tower (6), a water mist area is reserved at the upper part of the desulfurizing tower (6), a water spray pipe (10) is arranged in the water mist area, water spray ports are arranged at the bottoms of the water spray pipes (10), and inverted V-shaped atomization plates (11) with the number more than 2 are arranged in the desulfurizing tower (6) below the water spray ports; the surface of the atomizing plate (11) is provided with splash atomizing holes (12); a cooling water tank (13) is formed by digging up and down on the ground on one side of the boiler (1), cooling water is filled in the cooling water tank (13), a cooling water pump is arranged in the cooling water tank (13), the cooling water pump is connected with one end of a cooling coil pipe (8) through a water supply pipe, the other end of the cooling coil pipe (8) is connected with a water spray pipe (10) through a water mist pipe, the bottom of an inner cavity of a desulfurizing tower (6) is separated by a partition plate to form a dust falling box (16) and an overflow channel (17), a water guide plate (18) which is obliquely arranged is arranged in the dust falling box (16) above the overflow channel (17), and the lower end of the water guide plate (18) extends to the position above the dust falling box (16); the dust falling box (16) is positioned below the outlet of the desulfurization pipe, a natural cooling groove (20) is formed by digging on the ground at one side of the cooling water tank (13), the depth of the natural cooling groove (20) is smaller than that of the cooling water tank (13), one end of the natural cooling groove (20) is connected with the bottom of the overflow channel (17), and the other end of the natural cooling groove (20) is connected with the cooling water tank (13); an air outlet pipe (21) is arranged at the top of the desulfurizing tower (6), the outlet of the air outlet pipe (21) is connected with one end of a cooling box (7), and a chimney (22) connected to the outside is arranged at the other end of the cooling box (7); one end of the bottom of the cooling box (7) is provided with a water return pipe which is connected with a cooling water tank (13);
the dust control assembly comprises a support (31), a dust collecting hopper (32) is arranged at the top of the support (31), the top of the dust collecting hopper (32) is connected with the bottom of a dust falling tower (14), one side wall of the bottom of the dust falling tower (14) extends downwards to form a hinged plate (35), the lower part of the other side of the dust falling tower (14) opposite to the hinged plate (35) is inclined to form a dust guide plate (34), the lower end of the dust guide plate (34) is positioned at one side of the hinged plate (35), the end part of the lower end of the dust guide plate (34) extends downwards vertically to form a limiting plate (37), a dust guide opening is formed in the bottom of the dust falling tower (14) between the limiting plate (37) and the hinged plate (35), and a dust collecting box (36) is hinged at the bottom of the hinged plate (35); the dust box is characterized in that the center of the top of the dust box (36) is hinged to the bottom of the hinged plate (35) through a hinge shaft, one end of the hinged dust box (36) is located below the dust guide opening, the other end of the hinged dust box is suspended, the top of the suspended end is sealed, a counterweight (38) is fixed on the lateral wall of the outer side of the suspended end, a dust inlet is formed in the top opening of the dust box (36) below the dust guide opening, an ash outlet (39) is formed in the end opening of the dust box (36) below the limiting plate (37), an ash blocking plate (310) is movably hinged to the ash outlet (39), a magnet which is attracted with each other is arranged between the top of the ash blocking plate (310) and the lateral wall of the limiting plate (37), and a movable ash collecting box (311) is placed on the ground below the dust box (36).
2. The boiler flue gas desulfurization treatment system of claim 1, wherein: a sludge overhaul port is arranged on the desulfurizing tower (6) at one side of the dust fall box (16), and the sludge overhaul port is sealed by an overhaul door (19).
3. The boiler flue gas desulfurization treatment system of claim 1, wherein: the dust collection plate (9) is composed of a frame and honeycomb paper arranged in the frame, and the frame is movably inserted in the desulfurizing tower (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810867157.2A CN108800182B (en) | 2018-08-01 | 2018-08-01 | Boiler flue gas desulfurization treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810867157.2A CN108800182B (en) | 2018-08-01 | 2018-08-01 | Boiler flue gas desulfurization treatment system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108800182A CN108800182A (en) | 2018-11-13 |
| CN108800182B true CN108800182B (en) | 2024-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810867157.2A Active CN108800182B (en) | 2018-08-01 | 2018-08-01 | Boiler flue gas desulfurization treatment system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114278949B (en) * | 2021-12-07 | 2024-04-09 | 北京航化节能环保技术有限公司 | Incineration system and incineration process for treating fluorine-containing chlorine-containing salt-containing waste liquid |
| CN116422138A (en) * | 2023-03-28 | 2023-07-14 | 北京华兴碳环境科技有限公司 | Quick catalytic unit of SOx/NOx control |
| CN116440667A (en) * | 2023-04-07 | 2023-07-18 | 湖南捷森生态科技有限公司 | Synchronous desulfurization and denitrification tower |
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