CN114011215A - Industrial waste gas dedusting and desulfurizing process - Google Patents
Industrial waste gas dedusting and desulfurizing process Download PDFInfo
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- CN114011215A CN114011215A CN202111321668.2A CN202111321668A CN114011215A CN 114011215 A CN114011215 A CN 114011215A CN 202111321668 A CN202111321668 A CN 202111321668A CN 114011215 A CN114011215 A CN 114011215A
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- waste gas
- desulfurization
- industrial waste
- fixed
- dust
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- 239000007789 gas Substances 0.000 title claims abstract description 110
- 239000002440 industrial waste Substances 0.000 title claims abstract description 96
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 15
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 117
- 230000023556 desulfurization Effects 0.000 claims abstract description 117
- 239000000428 dust Substances 0.000 claims abstract description 92
- 238000001914 filtration Methods 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 239000000779 smoke Substances 0.000 claims abstract description 17
- 238000005507 spraying Methods 0.000 claims abstract description 10
- 239000002912 waste gas Substances 0.000 claims abstract description 8
- 238000002347 injection Methods 0.000 claims description 20
- 239000007924 injection Substances 0.000 claims description 20
- 238000005086 pumping Methods 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 210000003437 trachea Anatomy 0.000 claims description 3
- 208000002925 dental caries Diseases 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims 4
- 241001330002 Bambuseae Species 0.000 claims 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 4
- 239000011425 bamboo Substances 0.000 claims 4
- 239000012530 fluid Substances 0.000 claims 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
-
- 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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- 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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
-
- 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
-
- 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
Abstract
The invention relates to a dust removal and desulfurization process for industrial waste gas, which is characterized by comprising the following steps: s1, designing a waste gas dedusting and desulfurizing device; s2, when the device works, a motor (9) of the waste gas dust removal and desulfurization device is started to work, the motor drives an impeller inside a pump wheel (11) to rotate through a rotating shaft (10), so that the pump wheel conveys industrial waste gas to be subjected to dust removal and desulfurization to a dust filtering mechanism through a second air pipe (15) for dust removal treatment, and smoke dust in the industrial waste gas is removed before the industrial waste gas is subjected to desulfurization treatment; s3, conveying the industrial waste gas after smoke dust filtration to the sleeve (28) through the first air pipe (19), conveying the industrial waste gas into the successfully-spraying pipe (4) through the sleeve, spraying the industrial waste gas into desulfurization treatment liquid in the desulfurization cylinder (36) through the small holes in the side wall of the successfully-spraying pipe to realize desulfurization treatment on the industrial waste gas, and conveying the industrial waste gas after desulfurization treatment to the next treatment process through the exhaust pipe (7).
Description
Technical Field
The invention relates to the field of industrial waste gas treatment equipment, in particular to a dust removal and desulfurization process for industrial waste gas.
Background
Industrial production generates a large amount of industrial waste gas, which can seriously pollute the atmospheric environment if directly discharged into the atmospheric environment without purification treatment. In the existing process of treating industrial waste gas, because industrial waste gas contains a large amount of smoke dust and the smoke dust removing effect is poor, a large amount of smoke dust enters the desulfurization treatment liquid along with the industrial waste gas and reacts with the desulfurization treatment liquid, the desulfurization treatment liquid can be consumed quickly, on one hand, a large amount of desulfurization treatment liquid needs to be provided continuously, so that the consumption of the desulfurization treatment liquid can be increased, the treatment cost is improved, the treatment effect on the industrial waste gas can be greatly reduced, on the other hand, the inner wall of a pipeline is blocked due to the accumulation of the smoke dust, the treatment efficiency of the industrial waste gas is reduced, and the maintenance difficulty of the pipeline is increased.
Disclosure of Invention
The invention aims to provide a process for dedusting and desulfurizing industrial waste gas, which aims to solve the problems in the background technology.
The invention provides the following technical scheme: the industrial waste gas dedusting and desulfurizing process is characterized by comprising the following steps of:
s1, designing a waste gas dedusting and desulfurizing device;
s2, when the device works, a motor (9) of the waste gas dust removal and desulfurization device is started to work, the motor drives an impeller inside a pump wheel (11) to rotate through a rotating shaft (10), so that the pump wheel conveys industrial waste gas to be subjected to dust removal and desulfurization to a dust filtering mechanism through a second air pipe (15) for dust removal treatment, and smoke dust in the industrial waste gas is removed before the industrial waste gas is subjected to desulfurization treatment;
s3, conveying the industrial waste gas after smoke dust filtration to the sleeve (28) through the first air pipe (19), conveying the industrial waste gas into the successfully-spraying pipe (4) through the sleeve, spraying the industrial waste gas into desulfurization treatment liquid in the desulfurization cylinder (36) through the small holes in the side wall of the successfully-spraying pipe to realize desulfurization treatment on the industrial waste gas, and conveying the industrial waste gas after desulfurization treatment to the next treatment process through the exhaust pipe (7).
In the present case, exhaust gas dust removal desulphurization unit includes base (1), pump gas mechanism, dust filtering mechanism and desulfurization mechanism, wherein: the pumping mechanism is used for conveying industrial waste gas subjected to dust removal and desulfurization treatment, and is arranged on the base (1); the air pumping mechanism comprises a first support (6) fixed on the base (1), a pump wheel (11) is fixed on the first support (6), and a second air pipe (15) is fixed and communicated on the side wall of the pump wheel (11); the second air pipe (15) is communicated with the dust filtering mechanism, the pump wheel (11) conveys industrial waste gas to be dedusted and desulfurized to the dust filtering mechanism through the second air pipe (15), the dust filtering mechanism is communicated with the separating mechanism through the first air pipe (19), and the dust filtering mechanism conveys the dedusted industrial waste gas to the desulfurizing mechanism through the first air pipe (19).
The dust filtering mechanism is used for carrying out dust removal treatment on industrial waste gas conveyed by the air pumping mechanism, and can be automatically placed and blocked under the driving of the air pumping mechanism, and the dust filtering mechanism is arranged on the base (1); desulfurization mechanism is used for carrying out desulfurization treatment to the industrial waste gas that the dirt mechanism carried, and makes desulfurization mechanism can improve desulfurization treatment liquid to industrial waste gas's desulfurization treatment effect under the drive of pump mechanism, desulfurization mechanism sets up on base (1).
In the scheme, the air pumping mechanism further comprises a third support (24) fixed on the first support (6), a second sliding frame (30) is fixed on the third support (24), and a guide sleeve (23) is fixed on the second sliding frame (30); a sliding rod (16) arranged in the vertical direction is connected to the guide sleeve (23) in a sliding mode, the cross section of the sliding rod (16) is quadrilateral, a rotating shaft (10) is connected to the first support (6) in a fixed-shaft rotating mode, and one end of the rotating shaft (10) is coaxially and fixedly connected with an impeller inside the pump impeller (11); a motor (9) is fixed on the first support (6), the output shaft end of the motor (9) is in transmission connection with a rotating shaft (10) through a speed reducer, one end, far away from the pump impeller (11), of the rotating shaft (10) is vertical and is fixedly connected with a rocker (13), and one end, far away from the rotating shaft (10), of the rocker (13) is in fixed-shaft rotation connection with a first pin rod (14); a groove plate (21) is connected to the inner side of the second sliding frame (30) in a sliding mode, the groove plate (21) slides in the second sliding frame (30) in the horizontal direction, a first sliding frame (8) is fixed on one side, facing the rotating shaft (10), of the groove plate (21), and the first sliding frame (8) and the second sliding frame (30) are arranged vertically; the pin rod I (14) is inserted and can slide in the sliding frame I (8), a sliding groove (32) is formed in one side, away from the sliding frame I (8), of the groove plate (21), the sliding groove (32) is arranged in a continuous W-shaped trend, the dust filtering mechanism comprises a support IV (29) fixed on the base (1), and a filter cylinder (17) is fixed on the support IV (29); the inside of cartridge filter (17) is provided with lifter plate (18), lifter plate (18) and the upper end opening fixed connection of straining dirt bag (35), and lifter plate (18) are to the upper end shutoff of straining dirt bag (35), the lower extreme opening of straining dirt bag (35) and the inner wall fixed connection of cartridge filter (17), and strain dirt bag (35) and lifter plate (18) and separate cartridge filter (17) for upper and lower two cavitys.
In the scheme, the desulfurization mechanism comprises a desulfurization cylinder (36) fixed on a first support (6), desulfurization treatment liquid is contained in the desulfurization cylinder (36), the desulfurization cylinder (36) is located on the lower side of a sliding rod (16), a sleeve (28) is fixed on the bottom surface of the interior of the desulfurization cylinder (36), and one end, away from a filter cylinder (17), of a first air pipe (19) is communicated with the sleeve (28).
In the scheme, the sleeve (28) is internally inserted and is connected with an air cylinder (3) in a fixed-shaft rotating manner, the upper end of the air cylinder (3) is vertical and is fixedly connected with an air injection pipe (4), and air holes (31) are uniformly distributed on the side wall of the air injection pipe (4); the gas cylinder (3) is communicated with the gas injection pipe (4), the sleeve (28) is communicated with the gas cylinder (3), the bottom of the desulfurization cylinder (36) is communicated with the liquid discharge pipe (2), and the upper side wall of the desulfurization cylinder (36) is communicated with the liquid supplementing pipe (27) and the exhaust pipe (7).
In the scheme, a turntable (26) is connected to the upper side wall of the desulfurization barrel (36) in a fixed-axis rotating mode, a rotary drum (5) is fixed to the bottom surface of the turntable (26), the rotary drum (5) and the air cylinder (3) share the central axis, and the lower end of the rotary drum (5) is perpendicular to and fixedly connected with the air injection pipe (4).
In the scheme, a twist rod (25) is fixed at the lower end of the sliding rod (16), a through hole (33) matched with the cross section of the twist rod (25) is formed in the rotary table (26), and the twist rod (25) is inserted into the through hole (33) and is connected in a sliding mode.
Has the advantages that:
the industrial waste gas to be dedusted and desulfurized is conveyed to the dust filtering mechanism through the air pumping mechanism for dedusting treatment, so that the smoke dust in the industrial waste gas is removed before the industrial waste gas is desulfurized, the treatment efficiency of the industrial waste gas is improved, the consumption of the desulfurization treatment liquid is reduced, the treatment cost is reduced, the industrial waste gas is desulfurized, the integral dedusting and desulfurization treatment of the industrial waste gas is realized, and the structure is simplified.
The air pumping mechanism drives the sliding rod to automatically clean the smoke adhered to the inner side wall of the dust filter bag while conveying the industrial waste gas, so that the high-efficiency filtering effect of the dust filter bag is kept, meanwhile, the air injection pipe is driven by the sliding rod to rotate while conveying the industrial waste gas into the desulfurization treatment liquid, on one hand, the desulfurization treatment liquid is stirred, so that the more sufficient contact and mixing of the industrial waste gas and the desulfurization treatment liquid are improved, the treatment efficiency of the industrial waste gas is improved, on the other hand, the industrial waste gas can be uniformly injected into the desulfurization treatment liquid due to the rotation of the air injection pipe, the more sufficient contact and mixing of the industrial waste gas and the desulfurization treatment liquid is further improved, and the treatment efficiency of the industrial waste gas is improved.
Drawings
FIG. 1 is a schematic view of a flue gas dust-removal desulfurization apparatus used in the present invention;
FIG. 2 is a schematic cross-sectional view of the filter cartridge of FIG. 1;
FIG. 3 is a side view of a groove plate structure of a flue gas dust-removing and desulfurizing apparatus used in the present invention;
FIG. 4 is a top view of the rotary table structure of the flue gas dust-removing and desulfurizing device used in the present invention;
FIG. 5 is a schematic cross-sectional view of a gas injection pipe of the flue gas dust-removing desulfurization device used in the present invention.
In the figure: 1. a base; 2. a liquid discharge pipe; 3. an air cylinder; 4. a gas ejector tube; 5. a rotating drum; 6. a first bracket; 7. an exhaust pipe; 8. a first sliding frame; 9. a motor; 10. a rotating shaft; 11. a pump impeller; 12. a second bracket; 13. a rocker; 14. a pin rod; 15. a second trachea; 16. a slide bar; 17. a filter cartridge; 18. a lifting plate; 19. a first trachea; 20. a sliding sleeve; 21. a groove plate; 22. a pin rod II; 23. a guide sleeve; 24. a third bracket; 25. a twisted rod; 26. a turntable; 27. a liquid supplementing pipe; 28. a sleeve; 29. a fourth bracket; 30. a second sliding frame; 31. air holes; 32. a chute; 33. a through hole; 34. a discharge valve; 35. a dust filter bag; 36. a desulfurization cylinder.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The industrial waste gas dedusting and desulfurizing process is characterized by comprising the following steps of:
s1, designing a waste gas dedusting and desulfurizing device;
referring to fig. 1 to 5, an apparatus for removing dust and sulfur from exhaust gas includes a base 1, and further includes:
the pumping mechanism is used for conveying industrial waste gas subjected to dust removal and desulfurization treatment, and is arranged on the base 1;
the dust filtering mechanism is used for dedusting the industrial waste gas conveyed by the air pumping mechanism and can automatically place blockage under the driving of the air pumping mechanism, and the dust filtering mechanism is arranged on the base 1;
desulfurization mechanism, desulfurization mechanism are used for the industrial waste gas desulfurization treatment of straining the transport of dirt mechanism, and make desulfurization mechanism can improve desulfurization treatment liquid to industrial waste gas's desulfurization treatment effect under the drive of pump mechanism, and desulfurization mechanism sets up on base 1.
As shown in fig. 1, the pumping mechanism includes a first bracket 6 fixed on the base 1, a pump impeller 11 is fixed on the first bracket 6, a second air pipe 15 is fixed and communicated on a side wall of the pump impeller 11, the second air pipe 15 is communicated with the dust filtering mechanism, the pump impeller 11 conveys the industrial waste gas to be dedusted and desulfurized to the dust filtering mechanism through the second air pipe 15, the dust filtering mechanism is communicated with the separating mechanism through the first air pipe 19, and the dust filtering mechanism conveys the industrial waste gas to be dedusted to the desulfurizing mechanism through the first air pipe 19.
As shown in fig. 1 and 3, the pumping mechanism further includes a third bracket 24 fixed on the first bracket 6, a second carriage 30 is fixed on the third bracket 24, a guide sleeve 23 is fixed on the second carriage 30, a slide bar 16 arranged in the up-down direction is connected on the guide sleeve 23 in a sliding manner, the cross section of the slide bar 16 is quadrilateral, and the slide bar 16 adopts a structure with a quadrilateral cross section, so that the slide bar 16 cannot rotate in the reciprocating up-down sliding process, thereby preventing the slide bar 16 from driving the dust filter bag 35 to twist through the lifting plate 18, and ensuring the smooth operation of the dust filter bag 35, the first bracket 6 is rotatably connected with a rotating shaft 10 in a fixed shaft manner, one end of the rotating shaft 10 is coaxially and fixedly connected with an impeller inside the pump impeller 11, and the first bracket 6 is fixed with the motor 9.
The output shaft end of the motor 9 is in transmission connection with the rotating shaft 10 through a speed reducer, one end, far away from the pump wheel 11, of the rotating shaft 10 is perpendicular to and fixedly connected with a rocker 13, one end, far away from the rotating shaft 10, of the rocker 13 is in dead axle rotation connection with a first pin rod 14, the inner side of a second carriage 30 is in sliding connection with a groove plate 21, the groove plate 21 slides in the second carriage 30 in the horizontal direction, one side, facing the rotating shaft 10, of the groove plate 21 is fixed with a first carriage 8, the first carriage 8 and the second carriage 30 are perpendicular to each other, the first pin rod 14 is inserted and can slide in the first carriage 8, one side, far away from the first carriage 8, of the groove plate 21 is provided with a sliding groove 32, the sliding groove 32 is continuous in a W-shaped trend, the second pin rod 22 is rotatably connected on the sliding rod 16, the second pin rod 22 is inserted and can slide in the sliding groove 32, and the groove plate 21 drives the sliding rod 16 to move in the up-down direction through the sliding groove 32 and the sliding rod 22.
As shown in fig. 1 and 2, the dust filtering mechanism includes a support frame four 29 fixed on the base 1, and a filter cartridge 17 is fixed on the support frame four 29, the filter cartridge 17 is located on the upper side of the sliding rod 16, a lifting plate 18 is arranged inside the filter cartridge 17, the lifting plate 18 is fixedly connected with the upper end opening of the dust filtering bag 35, and the lifting plate 18 seals the upper end of the dust filtering bag 35, the lower end opening of the dust filtering bag 35 is fixedly connected with the inner wall of the filter cartridge 17, and the dust filtering bag 35 and the lifting plate 18 divide the filter cartridge 17 into an upper cavity and a lower cavity, the air pipe two 15 is communicated with the cavity inside the filter cartridge 17 located on the lower side of the dust filtering bag 35, the cavity inside the filter cartridge 17 located on the upper side of the dust filtering bag 35 is communicated with the desulfurization mechanism through an air pipe one 19, the bottom surface of the filter cartridge 17 is fixedly connected with a sliding sleeve 20, the upper end of the sliding rod 16 passes through the sliding sleeve 20 and can slide up and down in the sliding sleeve 20, the upper end of the sliding rod 16 is fixedly connected with the bottom surface of the lifting plate 18, a discharge valve 34 is fixed to the bottom surface of the filter cartridge 17, and the discharge valve 34 communicates with a cavity inside the filter cartridge 17 at the lower side of the dust filter bag 35.
As shown in fig. 1 and 5, the desulfurization mechanism comprises a desulfurization cylinder 36 fixed on a first support 6, a desulfurization treatment liquid is contained in the desulfurization cylinder 36, the desulfurization cylinder 36 is located on the lower side of a slide bar 16, a sleeve 28 is fixed on the bottom surface inside the desulfurization cylinder 36, one end, away from a filter cartridge 17, of a first air pipe 19 is communicated with the sleeve 28, an air cylinder 3 is inserted into the sleeve 28 and is connected with the sleeve 28 in a fixed-axis rotating manner, the upper end of the air cylinder 3 is vertically and fixedly connected with an air injection pipe 4, air holes 31 are uniformly distributed on the side wall of the air injection pipe 4, the air cylinder 3 is communicated with the air injection pipe 4, the sleeve 28 is communicated with the air cylinder 3, the bottom of the desulfurization cylinder 36 is communicated with a liquid discharge pipe 2, and the upper side wall of the desulfurization cylinder 36 is communicated with a liquid supplement pipe 27 and an exhaust pipe 7.
As shown in fig. 1 and 4, a turntable 26 is rotatably connected to the upper side wall of the desulfurization cylinder 36 in a fixed-axis manner, a rotary drum 5 is fixed to the bottom surface of the turntable 26, the rotary drum 5 and the gas cylinder 3 share a central axis, the lower end of the rotary drum 5 is perpendicular to and fixedly connected with the gas injection pipe 4, a twist rod 25 is fixed to the lower end of the slide rod 16, a through hole 33 matched with the cross section of the twist rod 25 is formed in the turntable 26, and the twist rod 25 is inserted into and slidably connected with the through hole 33.
S2, when the device works, a motor 9 of the waste gas dust removal and desulfurization device is started to work, the motor drives an impeller inside a pump wheel 11 to rotate through a rotating shaft 10, so that the pump wheel conveys industrial waste gas to be subjected to dust removal and desulfurization to a dust filtering mechanism through a second air pipe 15 for dust removal treatment, and smoke dust in the industrial waste gas is removed before the industrial waste gas is subjected to desulfurization treatment; as shown in fig. 2, when the second air pipe 15 conveys the industrial waste gas to the cavity inside the filter cartridge 17 and located at the lower side of the dust filter bag 35, the industrial waste gas flows from bottom to top, and the smoke dust is blocked in the cavity through the filtering and purifying of the dust filter bag 35, the purified industrial waste gas enters the cavity inside the filter cartridge 17 and located at the upper side of the dust filter bag 35 and is conveyed to the desulfurization cylinder 36 through the first air pipe 19, so that the dust removal treatment of the industrial waste gas is realized, the accumulation of the smoke dust is avoided, the smoothness of the pipeline is ensured, the high-efficiency conveying efficiency of the industrial waste gas is maintained, and the difficulty in maintaining and repairing the pipeline is reduced.
As shown in fig. 1 and 3, the rotation of the rotating shaft 10 synchronously drives the first pin 14 to rotate through the rocker 13, so that the first pin 14 drives the slot plate 21 to slide horizontally in a reciprocating manner in the second carriage 30 through the first carriage 8, and the slide rod 16 can only slide vertically under the constraint action of the guide sleeve 23, so that the slot plate 21 drives the slide rod 16 to slide vertically in a reciprocating manner through the second pin 22 in the reciprocating horizontal sliding process.
The reciprocating type up-and-down sliding of the sliding rod 16 synchronously drives the lifting plate 18 to reciprocate up-and-down sliding, so that the lifting plate 18 drives the dust filter bag 35 to be continuously tensioned and loosened, the dust filter bag 35 is shaken, and the dust filter bag 35 shakes off the smoke adhered to the inner side wall, so that the efficient filtering effect of the dust filter bag 35 is kept, and the automatic cleaning effect is realized.
S3, conveying the industrial waste gas after smoke dust filtration to the sleeve 28 through the first air pipe 19, conveying the industrial waste gas into the functional air injection pipe 4 through the sleeve, and then spraying the industrial waste gas into the desulfurization treatment liquid in the desulfurization cylinder 36 through the small holes in the side wall of the air injection pipe to realize desulfurization treatment on the industrial waste gas, and conveying the industrial waste gas after desulfurization treatment to the next treatment process through the exhaust pipe 7. When desulfurization treatment liquid needs to be replaced, desulfurization treatment liquid in the desulfurization cylinder 36 is discharged through the liquid discharge pipe 2, and then desulfurization treatment liquid is input into the desulfurization cylinder 36 through the liquid replenishing pipe 27, and the mode and the principle of desulfurization treatment are completely the same as those of the prior art, and are not repeated here, so that desulfurization treatment of industrial waste gas is realized, and the whole device realizes dust removal and desulfurization integrated treatment of industrial waste gas, and the structure is simplified.
As described above, the reciprocating up-and-down sliding of the sliding rod 16 simultaneously drives the twist rod 25 to synchronously slide up and down in a reciprocating manner, as shown in fig. 1 and 4, so that the twist rod 25 applies a torque to the side wall of the through hole 33 through the spiral surface thereof, and further the rotating disc 26 rotates in a reciprocating manner, so that the rotating disc 26 drives the air injection pipe 4 to rotate through the rotating drum 5, the rotation of the air injection pipe 4 on the one hand stirs the desulfurization treatment liquid, thereby improving the more sufficient contact and mixing of the industrial waste gas and the desulfurization treatment liquid, and further improving the treatment efficiency of the industrial waste gas, and the rotation of the air injection pipe 4 enables the industrial waste gas to be uniformly sprayed in the desulfurization treatment liquid, so that the more sufficient contact and mixing of the industrial waste gas and the desulfurization treatment liquid is further improved, and the treatment efficiency of the industrial waste gas is improved.
Claims (7)
1. The industrial waste gas dedusting and desulfurizing process is characterized by comprising the following steps of:
s1, designing a waste gas dedusting and desulfurizing device;
s2, when the device works, a motor (9) of the waste gas dust removal and desulfurization device is started to work, the motor drives an impeller inside a pump wheel (11) to rotate through a rotating shaft (10), so that the pump wheel conveys industrial waste gas to be subjected to dust removal and desulfurization to a dust filtering mechanism through a second air pipe (15) for dust removal treatment, and smoke dust in the industrial waste gas is removed before the industrial waste gas is subjected to desulfurization treatment;
s3, conveying the industrial waste gas after smoke dust filtration to the sleeve (28) through the first air pipe (19), conveying the industrial waste gas into the successfully-spraying pipe (4) through the sleeve, spraying the industrial waste gas into desulfurization treatment liquid in the desulfurization cylinder (36) through the small holes in the side wall of the successfully-spraying pipe to realize desulfurization treatment on the industrial waste gas, and conveying the industrial waste gas after desulfurization treatment to the next treatment process through the exhaust pipe (7).
2. The dust removal and desulfurization process for industrial waste gas according to claim 1, characterized in that: the exhaust gas dust removal and desulfurization device comprises a base (1), a pumping mechanism, a dust filtering mechanism and a desulfurization mechanism, wherein: the pumping mechanism is used for conveying industrial waste gas subjected to dust removal and desulfurization treatment, and is arranged on the base (1); the air pumping mechanism comprises a first support (6) fixed on the base (1), a pump wheel (11) is fixed on the first support (6), and a second air pipe (15) is fixed and communicated on the side wall of the pump wheel (11); the second air pipe (15) is communicated with the dust filtering mechanism, the pump wheel (11) conveys industrial waste gas to be dedusted and desulfurized to the dust filtering mechanism through the second air pipe (15), the dust filtering mechanism is communicated with the separating mechanism through the first air pipe (19), and the dust filtering mechanism conveys the dedusted industrial waste gas to the desulfurizing mechanism through the first air pipe (19).
The dust filtering mechanism is used for carrying out dust removal treatment on industrial waste gas conveyed by the air pumping mechanism, and can be automatically placed and blocked under the driving of the air pumping mechanism, and the dust filtering mechanism is arranged on the base (1); desulfurization mechanism is used for carrying out desulfurization treatment to the industrial waste gas that the dirt mechanism carried, and makes desulfurization mechanism can improve desulfurization treatment liquid to industrial waste gas's desulfurization treatment effect under the drive of pump mechanism, desulfurization mechanism sets up on base (1).
3. The dust removal and desulfurization process for industrial waste gas according to claim 2, characterized in that: the air pumping mechanism further comprises a third support (24) fixed on the first support (6), a second sliding frame (30) is fixed on the third support (24), and a guide sleeve (23) is fixed on the second sliding frame (30); a sliding rod (16) arranged in the vertical direction is connected to the guide sleeve (23) in a sliding mode, the cross section of the sliding rod (16) is quadrilateral, a rotating shaft (10) is connected to the first support (6) in a fixed-shaft rotating mode, and one end of the rotating shaft (10) is coaxially and fixedly connected with an impeller inside the pump impeller (11); a motor (9) is fixed on the first support (6), the output shaft end of the motor (9) is in transmission connection with a rotating shaft (10) through a speed reducer, one end, far away from the pump impeller (11), of the rotating shaft (10) is vertical and is fixedly connected with a rocker (13), and one end, far away from the rotating shaft (10), of the rocker (13) is in fixed-shaft rotation connection with a first pin rod (14); a groove plate (21) is connected to the inner side of the second sliding frame (30) in a sliding mode, the groove plate (21) slides in the second sliding frame (30) in the horizontal direction, a first sliding frame (8) is fixed on one side, facing the rotating shaft (10), of the groove plate (21), and the first sliding frame (8) and the second sliding frame (30) are arranged vertically; the pin rod I (14) is inserted and can slide in the sliding frame I (8), a sliding groove (32) is formed in one side, away from the sliding frame I (8), of the groove plate (21), the sliding groove (32) is arranged in a continuous W-shaped trend, the dust filtering mechanism comprises a support IV (29) fixed on the base (1), and a filter cylinder (17) is fixed on the support IV (29); the inside of cartridge filter (17) is provided with lifter plate (18), lifter plate (18) and the upper end opening fixed connection of straining dirt bag (35), and lifter plate (18) are to the upper end shutoff of straining dirt bag (35), the lower extreme opening of straining dirt bag (35) and the inner wall fixed connection of cartridge filter (17), and strain dirt bag (35) and lifter plate (18) and separate cartridge filter (17) for upper and lower two cavitys.
4. The dust removal and desulfurization process for industrial waste gas according to claim 2, characterized in that: desulfurization mechanism is including fixing desulfurization section of thick bamboo (36) on support (6), the splendid attire has desulfurization treatment fluid in a desulfurization section of thick bamboo (36), and a desulfurization section of thick bamboo (36) is located the downside of slide bar (16), the inside bottom surface of a desulfurization section of thick bamboo (36) is fixed with sleeve (28), and trachea one (19) keep away from the one end and sleeve (28) of cartridge filter (17) and be linked together.
5. The dust removal and desulfurization process for industrial waste gas according to claim 4, characterized in that: the sleeve (28) is internally inserted and connected with an air cylinder (3) in a fixed-shaft rotating manner, the upper end of the air cylinder (3) is vertical and fixedly connected with an air injection pipe (4), and air holes (31) are uniformly distributed on the side wall of the air injection pipe (4); the gas cylinder (3) is communicated with the gas injection pipe (4), the sleeve (28) is communicated with the gas cylinder (3), the bottom of the desulfurization cylinder (36) is communicated with the liquid discharge pipe (2), and the upper side wall of the desulfurization cylinder (36) is communicated with the liquid supplementing pipe (27) and the exhaust pipe (7).
6. The dust removal and desulfurization process for industrial waste gas according to claim 5, characterized in that: the upper side wall of the desulfurization barrel (36) is fixedly connected with a rotary table (26) in a rotating mode, the bottom surface of the rotary table (26) is fixed with a rotary drum (5), the rotary drum (5) and the air cylinder (3) share the central axis, and the lower end of the rotary drum (5) is perpendicular to and fixedly connected with the air injection pipe (4).
7. The dust removal and desulfurization process for industrial waste gas according to claim 3, characterized in that: the lower end of the sliding rod (16) is fixed with a twist rod (25), the rotary table (26) is provided with a through hole (33) matched with the cross section of the twist rod (25), and the twist rod (25) is inserted into the through hole (33) and is connected in a sliding mode.
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| CN202111321668.2A CN114011215A (en) | 2021-11-09 | 2021-11-09 | Industrial waste gas dedusting and desulfurizing process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111321668.2A CN114011215A (en) | 2021-11-09 | 2021-11-09 | Industrial waste gas dedusting and desulfurizing process |
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