CN111545041A - High-efficient dry process SOx/NOx control device - Google Patents
High-efficient dry process SOx/NOx control device Download PDFInfo
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- CN111545041A CN111545041A CN202010423669.7A CN202010423669A CN111545041A CN 111545041 A CN111545041 A CN 111545041A CN 202010423669 A CN202010423669 A CN 202010423669A CN 111545041 A CN111545041 A CN 111545041A
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- desulfurization
- plate
- fixedly connected
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- flue gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/785—Regeneration of the filtering material or filter elements inside the filter by electrical means, e.g. for the generation of electrostatic forces in order to reject particles
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- 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
- B01D53/76—Gas phase processes, e.g. by using aerosols
-
- 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
- B01D53/81—Solid phase processes
- B01D53/82—Solid phase processes with stationary reactants
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Dispersion Chemistry (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a high-efficiency dry-method desulfurization and denitrification device, which relates to the field of flue gas treatment and aims at solving the problem of low efficiency of the conventional dry-method flue gas desulfurization and denitrification. The device can effectively carry out desulfurization and denitrification treatment on the flue gas generated by fire coal of a thermal power plant, can carry out advanced filtration treatment on the flue gas entering the device, prevents large granular substances in the flue gas from blocking a desulfurization plate, and effectively improves the desulfurization and denitrification treatment efficiency of the device on the flue gas.
Description
Technical Field
The invention relates to the field of flue gas treatment, in particular to a high-efficiency dry desulfurization and denitrification device.
Background
The smoke pollution discharged in the coal burning process of a thermal power plant is one of the main sources of air pollution in China, the existing smoke desulfurization and denitration technology can be divided into a wet method, a dry method and a semi-dry method according to the states of a removing agent and a reaction product, the wet method is mature in process, high in efficiency and wide in application, but the problems of high cost, large floor area and water consumption, easiness in generating secondary pollution, ammonia leakage, equipment corrosion and the like exist, the existing dry method desulfurization and denitration device cannot effectively and early reduce dust of smoke in the using process, so that when the smoke enters the desulfurization and denitration device, a desulfurization plate in the desulfurization and denitration device is easy to block, the treatment efficiency of the desulfurization and denitration device on the smoke is reduced, the smoke can be adhered to the inner wall of the desulfurization device, the inner wall of the desulfurization device needs to be frequently cleaned, the workload is increased while the water resource pollution is caused, therefore, in order to solve the problems, a high-efficiency dry desulfurization and denitration device is provided.
Disclosure of Invention
The invention provides an efficient dry-method desulfurization and denitrification device, which solves the problem of low efficiency of the conventional dry-method flue gas desulfurization and denitrification.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-efficiency dry desulfurization and denitrification device comprises a base, wherein the top end of the base is fixedly connected with a treatment box, a first partition plate and a second partition plate are fixedly arranged on the inner wall of the treatment box, the inside of the treatment box is divided into a denitrification treatment chamber and a desulfurization treatment chamber, the denitrification treatment chamber is positioned below the first partition plate, the desulfurization treatment chamber is positioned above the second partition plate, a desulfurization plate is slidably arranged inside the desulfurization treatment chamber, one side of the desulfurization plate extends to the outside of the treatment box, one side of the treatment box is connected with an ammonia gas conduit, the other side of the treatment box is connected with an air inlet pipe, the bottom end of the air inlet pipe is fixedly connected with a dust collection box, a filter plate is fixedly arranged on the inner wall of the air inlet pipe, a driving motor is fixedly arranged inside the air inlet pipe, and an output shaft of the driving motor is fixedly connected with a rotating, the end part of the rotating rod penetrates through the filter plate, two static scraper blades which are symmetrically distributed and two mounting plates which are symmetrically distributed are fixedly connected to the circumferential side wall of the rotating rod, the static scraper blades are positioned between the mounting plates and the filter plate, one side of the mounting plate, which is close to the static scraper blades, is provided with a chute along the length direction thereof, a slide block is arranged in the chute in a sliding way, one side of the slide block, which is close to the static scraper blades, is fixedly connected with a dust removing plate, one side inner wall of the chute, which is close to the rotating rod, is rotatably provided with a threaded rod, the end part of the threaded rod extends to the inside of the mounting plate and is connected with a torsional spring, the threaded rod is in threaded connection with the slide block, the threaded rod penetrates through the slide block, the end part of the threaded rod extends to the outside of the, and are engaged with each other.
Preferably, the dust removal plate is U-shaped, and the U-shaped groove of the dust removal plate is matched with the electrostatic scraping plate, and the dust removal plate is connected with the electrostatic scraping plate in a sliding mode.
Preferably, the circumferential side wall of the air inlet pipe is provided with a material guide opening, and the air inlet pipe is communicated with the dust collection box through the material guide opening.
Preferably, the inside of doctor board is provided with the active burnt obturator, just the doctor board is located one side fixed mounting who handles the case outside and has the handle, just the both sides inner wall of handling the case all is equipped with the activity groove that matches with the doctor board.
Preferably, the top and the bottom of the treatment box are respectively provided with an air outlet and a liquid outlet.
Preferably, a one-way air guide valve is arranged between the first partition plate and the second partition plate.
Preferably, the sliding block and the cross section of the sliding groove are both in T-shaped arrangement, and the sliding block is provided with a threaded hole matched with the threaded rod.
The invention has the beneficial effects that:
1. through setting up the processing chamber that takes off the round pin respectively and desulfurate in handling incasement portion, make the flue gas of deriving in the thermal power plant can take off the round pin and desulfurization treatment through same processing case, and can add the process gas to the indoor portion that takes off the round pin at any time, can effectually guarantee the deamination treatment efficiency of the device to the flue gas, and can take the desulfurization board out at any time cleanly, and change active coke, guarantee the desulfurization treatment efficiency of the device to the flue gas, then discharge the flue gas, can effectively reduce atmospheric environmental pollution.
2. Through the inside filter that sets up of intake pipe at this processing case, can effectually remove dust to the flue gas that gets into to processing incasement portion in advance and handle, prevent that the large particulate matter in the flue gas from blockking up the desulfurization board of processing incasement portion, guarantee this processing case to the normal desulfurization efficiency of flue gas to inside being provided with of intake pipe carries out clear electrostatic scraper blade and to the clear dust removal board of electrostatic scraper blade to the filter, thereby can guarantee the normal air guide efficiency of filter.
To sum up, the device can carry out effectual SOx/NOx control to the flue gas that the coal-fired production of thermal power plant to can filter treatment in advance to the flue gas that enters into the device inside, prevent that the large granule material in the flue gas from blockking up the desulfurization board, the effectual desulfurization that has improved the device to the flue gas is denitrified handle efficiency.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged schematic view of a in fig. 1 according to the present invention.
Fig. 3 is an enlarged structural diagram of B in fig. 1 according to the present invention.
Fig. 4 is a schematic cross-sectional structure of the intake duct of the present invention.
FIG. 5 is a schematic cross-sectional view of C-C of FIG. 3 according to the present invention.
FIG. 6 is a schematic view of the mounting structure of the electrostatic scraping plate and the dust-removing plate of the present invention.
Reference numbers in the figures: the device comprises a base 1, a treatment box 2, an air inlet pipe 3, an ammonia gas guide pipe 4, a first partition plate 5, a one-way air guide valve 6, a second partition plate 7, a desulfurization plate 8, an active coke filling body 9, an air outlet 10, a dust collection box 11, a driving motor 12, a filter plate 13, an electrostatic scraper 14, a liquid outlet 15, a gear plate 16, a gear plate 17, an installation plate 18, a threaded rod 19, a chute 20, a sliding block 21, a dust removal plate 22 and a rotating rod 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, a high-efficiency dry desulfurization and denitrification apparatus comprises a base 1, wherein a treatment box 2 is fixedly connected to the top end of the base 1, a first partition plate 5 and a second partition plate 7 are fixedly installed on the inner wall of the treatment box 2, the treatment box 2 is internally divided into a denitrification treatment chamber and a desulfurization treatment chamber, the denitrification treatment chamber is positioned below the first partition plate 5, the desulfurization treatment chamber is positioned above the second partition plate 7, a desulfurization plate 8 is slidably installed inside the desulfurization treatment chamber, one side of the desulfurization plate 8 extends to the outside of the treatment box 2, one side of the treatment box 2 is connected with an ammonia gas conduit 4, the other side of the treatment box 2 is connected with an air inlet pipe 3, a dust collection box 11 is fixedly connected to the bottom end of the air inlet pipe 3, a filter plate 13 is fixedly installed on the inner wall of the air inlet pipe 3, a driving motor 12 is fixedly installed inside the air inlet pipe 3, just the output shaft fixedly connected with dwang 23 of driving motor 12, the tip of dwang 23 runs through filter 13, just the circumference lateral wall fixedly connected with of dwang 23 is two electrostatic scraping board 14 that are the symmetric distribution and two mounting panel 18 that are the symmetric distribution, and electrostatic scraping board 14 is located between mounting panel 18 and filter 13, one side that mounting panel 18 is close to electrostatic scraping board 14 is provided with spout 20 along its length direction, just sliding mounting has slider 21 in the spout 20, one side fixedly connected with dust removal board 22 that slider 21 is close to electrostatic scraping board 14, spout 20 is close to one side inner wall rotation of dwang 23 and is installed threaded rod 19, and the internal connection that the tip of threaded rod 19 extended to mounting panel 18 has the torsional spring, threaded rod 19 and slider 21 threaded connection, and threaded rod 19 runs through slider 21, the tip of threaded rod 19 extends to the outside fixedly connected with toothed disc 17 of mounting panel 18, the inner wall of the air inlet pipe 3 is fixedly provided with an arc-shaped gear plate 16, the gear blocks on the gear plate 16 and the gear blocks on the gear plate 17 are obliquely arranged and are meshed with each other, the dust removing plate 22 is arranged in a U shape, the U-shaped groove of the dust removing plate 22 is matched with the electrostatic scraper 14, the dust removing plate 22 is in sliding connection with the electrostatic scraper 14, the circumferential side wall of the air inlet pipe 3 is provided with a material guide port, the air inlet pipe 3 is communicated with the dust collecting box 11 through the material guide port, the inside of the desulphurization plate 8 is provided with an active coke filling body 9, a handle is fixedly arranged on one side of the desulphurization plate 8, which is positioned outside the treatment box 2, the inner walls of two sides of the treatment box 2 are respectively provided with a movable groove matched with the desulphurization plate 8, the top end and the bottom end of the treatment box 2 are respectively provided with an air outlet 10 and an air outlet 15, and a one-way air guide valve, the cross-sections of the sliding block 21 and the sliding groove 20 are both in T-shaped arrangement, and the sliding block 21 is provided with a threaded hole matched with the threaded rod 19.
The first embodiment is as follows: when the device is used, firstly, flue gas generated by fire coal of a thermal power plant enters an air inlet pipe 3, is filtered by a filter plate 13 in the air inlet pipe 3 and then is introduced into a treatment box 2, meanwhile, ammonia gas is introduced into the treatment box 2 through an ammonia gas conduit 4, so that the ammonia gas reacts with nitric oxide in the flue gas to produce water and nitrogen gas, the water is led out of the treatment box through a liquid outlet 15, the flue gas enters a desulfurization treatment chamber through a one-way gas guide valve 6, is subjected to desulfurization reaction by an active coke filling body in a desulfurization plate 8 in the desulfurization treatment chamber and then is discharged through a gas outlet 10 at the top end of the treatment box 2;
example two: after long-time use, the desulphurization plate 8 can be drawn out, the desulphurization plate is cleaned, and the active coke filling body 9 in the desulphurization plate can be replaced, when smoke passes through the air duct 3, the driving motor 12 is started at the same time, so that the driving motor 12 drives the rotating rod 23 to rotate, the rotating rod 23 drives the electrostatic scraper 14 and the mounting plate 18 to rotate, the electrostatic scraper 14 adsorbs and removes dust adhered to the surface of the filter plate 13, meanwhile, the mounting plate 18 drives the gear disc 17 to rotate, the tooth blocks on the gear disc 17 are meshed with the tooth blocks on the gear plate 16, so that the gear disc 17 rotates, the gear disc 17 drives the threaded rod 19 to rotate, as the threaded rod 19 penetrates through the sliding block 21, the sliding block 21 can slide in the sliding groove 20 in the rotating process, and the sliding block 21 can drive the dedusting plate 22 to slide to one side far away from the rotating rod 23, so that the dust removing plate 22 scrapes off dust adhered on the surface of the electrostatic scraping plate 14, and when the mounting plate 18 drives the gear disc 17 to move to the bottom end, the tooth blocks on the gear disc 17 are separated from the tooth blocks on the gear plate 16, meanwhile, dust hung on the dust removing plate 22 enters the dust collecting box 11 through the material guiding opening between the air inlet pipe 3 and the dust collecting box 11 to be accumulated, and at the same time, the torsion spring at the end of the threaded rod 19 drives the threaded rod 19 to rotate reversely, so that the slide block 21 drives the dust-removing plate 22 to move reversely until the end of the slide block is close to the rotating rod 23, then, when the tooth blocks on the gear plate 17 come into contact with the tooth blocks on the gear plate 16 again, the above operation is repeated, can make filter 13 obtain frequent clean dust removal operation from this, improve filter 13's ventilation effect, both increase the air input of handling case 2, improve along its SOx/NOx control's treatment effeciency.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a high-efficient dry process SOx/NOx control device, includes base (1), its characterized in that, the top fixedly connected with of base (1) handles case (2), just the inner wall fixed mounting who handles case (2) has first baffle (5) and second baffle (7), just the inside branch of handling case (2) is denitration treatment chamber and desulfurization treatment chamber, and the denitration treatment chamber is located the below of first baffle (5), and the desulfurization treatment chamber is located the top of second baffle (7), the inside slidable mounting of desulfurization treatment chamber has desulfurization board (8), just one side of desulfurization board (8) extends to the outside of handling case (2), one side of handling case (2) is connected with ammonia pipe (4), just the opposite side of handling case (2) is connected with intake pipe (3), the bottom fixedly connected with dust collection box (11) of intake pipe (3), just the inner wall fixed mounting of intake pipe (3) has filter (13), the inside fixed mounting of intake pipe (3) has driving motor (12), just the output shaft fixedly connected with dwang (23) of driving motor (12), the tip of dwang (23) runs through filter (13), just the circumference lateral wall fixedly connected with of dwang (23) is two static scraper blade (14) that are the symmetric distribution and two mounting panel (18) that are the symmetric distribution, and static scraper blade (14) are located between mounting panel (18) and filter (13), one side that mounting panel (18) are close to static scraper blade (14) is provided with spout (20) along its length direction, just slidable mounting has slider (21) in spout (20), one side fixedly connected with dust removal board (22) that slider (21) are close to static scraper blade (14), one side inner wall rotation that spout (20) are close to static scraper blade (23) installs dwang (19), just the internally connected with torsional spring that the tip of threaded rod (19) extended to mounting panel (18), threaded rod (19) and slider (21) threaded connection, and threaded rod (19) run through slider (21), the tip of threaded rod (19) extends to outside fixedly connected with toothed disc (17) of mounting panel (18), the inner wall fixed mounting of intake pipe (3) has and is curved toothed plate (16), and the tooth piece on toothed plate (16) and the tooth piece on toothed disc (17) all are the slope setting, and intermeshing.
2. The efficient dry desulfurization and denitrification device according to claim 1, wherein the dedusting plate (22) is U-shaped, the U-shaped groove of the dedusting plate (22) is matched with the electrostatic scraper (14), and the dedusting plate (22) is slidably connected with the electrostatic scraper (14).
3. The efficient dry desulfurization and denitrification device according to claim 1, wherein the circumferential side wall of the air inlet pipe (3) is provided with a material guide port, and the air inlet pipe (3) and the dust collection box (11) are communicated with each other through the material guide port.
4. The efficient dry desulfurization and denitrification device according to claim 1, wherein the desulfurization plate (8) is internally provided with an active coke filling body (9), a handle is fixedly mounted on one side of the desulfurization plate (8) positioned outside the treatment box (2), and the inner walls of two sides of the treatment box (2) are respectively provided with a movable groove matched with the desulfurization plate (8).
5. The efficient dry desulfurization and denitrification device according to claim 1, wherein the top end and the bottom end of the treatment box (2) are respectively provided with an air outlet (10) and a liquid outlet (15).
6. The high-efficiency dry desulfurization and denitrification device according to claim 1, wherein a one-way air guide valve (6) is arranged between the first partition plate (5) and the second partition plate (7).
7. The efficient dry desulfurization and denitrification device according to claim 1, wherein the cross sections of the sliding block (21) and the sliding groove (20) are both T-shaped, and the sliding block (21) is provided with a threaded hole matched with the threaded rod (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010423669.7A CN111545041A (en) | 2020-05-19 | 2020-05-19 | High-efficient dry process SOx/NOx control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010423669.7A CN111545041A (en) | 2020-05-19 | 2020-05-19 | High-efficient dry process SOx/NOx control device |
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| Publication Number | Publication Date |
|---|---|
| CN111545041A true CN111545041A (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010423669.7A Pending CN111545041A (en) | 2020-05-19 | 2020-05-19 | High-efficient dry process SOx/NOx control device |
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| CN (1) | CN111545041A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117983051A (en) * | 2024-04-02 | 2024-05-07 | 盐城市兰丰环境工程科技有限公司 | High-efficient low temperature denitrification facility of high dust resistant flue gas |
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Application publication date: 20200818 |
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| RJ01 | Rejection of invention patent application after publication |