CN211384369U - Denitration dust remover for industrial boiler - Google Patents
Denitration dust remover for industrial boiler Download PDFInfo
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- CN211384369U CN211384369U CN201921831555.5U CN201921831555U CN211384369U CN 211384369 U CN211384369 U CN 211384369U CN 201921831555 U CN201921831555 U CN 201921831555U CN 211384369 U CN211384369 U CN 211384369U
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- tower
- desulfurization
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- pipe
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Abstract
The utility model discloses a denitration dust remover for industrial boiler, including the flue gas admission pipe, the one end of flue gas admission pipe is provided with denitration tower I, one side of denitration tower I just is located and is provided with the sack cleaner on the flue gas admission pipe, the sack cleaner, one side that denitration tower I was kept away from to the sack cleaner and is located and be provided with the steam interchanger on the flue gas admission pipe, one side of denitration tower I is provided with the blender, one side of blender is provided with the fan, one side that denitration tower I was kept away from to the blender is provided with the evaporimeter, between denitration tower I and the blender and between blender and the evaporimeter all be connected through the hybrid tube respectively, a survey of evaporimeter is provided with rather than matched with ammonia storage device. Thereby nozzle one can move in the position from top to bottom in specific use, and nozzle two can move in the position about, and then increases the area that sprays of denitration thick liquid, makes the better realization denitration reaction of this device.
Description
Technical Field
The utility model relates to a denitration dust remover field of industrial boiler particularly, relates to a denitration dust remover for industrial boiler.
Background
The industrial boiler products are divided into two types, namely steam for power generation or gas supply, for example, a fertilizer plant can use steam for vaporization, coal is used as a raw material to synthesize fertilizers, the typical industrial boiler is also mostly made of coal, and a fuel gas is generally used as a waste heat boiler for recovering waste heat. The industrial boiler is a circulating fluidized bed boiler, is an important thermal power device, and is the country with the most boiler production and use in the world today. The manufacturing industry in china is built and developed after the establishment of new china.
Along with the progress of economic development science and technology, the flue gas emission standard that makes industrial boiler produce is higher and higher, and current denitration dust collector operates through dividing into two steps with desulfurization and denitration, makes the reaction that contains nitre and sulphur in the flue gas can be better break away from. And current denitration tower is through setting up fixed streamlined nozzle in inside, and then when spraying denitration thick liquid and carry out the denitration operation to the flue gas, makes the area of spraying denitration thick liquid fixed, reduces the efficiency of power reaction.
SUMMERY OF THE UTILITY MODEL
To the problem in the correlation technique, the utility model provides a denitration dust remover for industrial boiler to overcome the above-mentioned technical problem that current correlation technique exists.
Therefore, the utility model discloses a specific technical scheme as follows:
a denitration dust remover for an industrial boiler comprises a flue gas inlet pipe, one end of the flue gas inlet pipe is provided with a first denitration tower, one side of the first denitration tower is positioned on the flue gas inlet pipe and is provided with a bag-type dust remover, the bag-type dust remover is positioned on one side far away from the first denitration tower and is provided with a hot gas exchanger on the flue gas inlet pipe, one side of the first denitration tower is provided with a mixer, one side of the mixer is provided with a fan, one side of the mixer far away from the first denitration tower is provided with an evaporator, the space between the first denitration tower and the mixer, the space between the mixer and the fan and the space between the mixer and the evaporator are respectively connected through mixing pipelines, one side of the evaporator is provided with a storage device matched with the evaporator, one side of the first denitration tower is provided with a second denitration tower, the denitration tower I is connected with the denitration tower II through a denitration pipe, the denitration tower II is provided with a plurality of first nozzles, a second nozzle is arranged between the first nozzles, the first nozzles are connected with the second nozzles through a driving device, one side of the denitration tower II is provided with a desulfurization tower, a plurality of desulfurization nozzles are arranged in the desulfurization tower, the denitration tower II is connected with the desulfurization tower through a desulfurization pipe, a cyclone dust collector is arranged on the desulfurization pipe and between the desulfurization tower and the denitration tower II, and a preheater is arranged on the desulfurization pipe and between the cyclone dust collector and the desulfurization tower.
Furthermore, in order to recycle the waste heat in the flue gas and save the energy consumption of preheating in the desulfurization process, a hot gas exchanger is arranged, a water pump is arranged on one side of the hot gas exchanger, and the hot gas exchanger is connected with the water pump and the desulfurization pipe through hot gas exchange pipes respectively.
Further, carry out the prefilter in order can be to the dust in the flue gas to filter the bag through setting up, steam exchanger keeps away from one side of sack cleaner and being located the flue gas gets into intraductal being provided with of filter bag.
Furthermore, in order to discharge the smoke after the desulfurization and denitrification operation is finished into the atmosphere, a chimney is arranged, and the top end of the desulfurization tower is provided with a chimney matched with the desulfurization tower.
Further, in order to improve the denitration efficiency, a driving device is arranged to further increase the spraying area of the denitration slurry, the driving device comprises a rack connected with the bottom end of the first nozzle, a connecting cylinder is sleeved on the rack, a mounting seat is arranged at the bottom end of the inner connecting cylinder and on the rack, the mounting seat is connected with the inner wall of the second denitration tower, a limiting seat is arranged at one side of the rack, a first gear matched with the rack is arranged at one side of the rack, a groove is formed in the limiting seat, a first worm is arranged in the groove, one end of the first worm is connected with the first gear, a group of limiting grooves are symmetrically formed in two sides of the groove, a moving block matched with the first worm is arranged at the top end of the first worm, the second nozzle is arranged at the top end of the moving block, a group of sliding blocks matched with the limiting grooves are symmetrically arranged at two sides of the moving block, the bottom end of the rack is provided with a second worm, one side of the second worm is provided with a motor, and a second gear matched with the second worm is sleeved on a rotating shaft of the motor.
Furthermore, in order to increase the spraying area of the denitration slurry, the movable block drives the nozzle II to move in the left and right directions by the aid of the saw teeth, and the saw teeth matched with the worm I are arranged at the bottom end of the movable block.
The utility model has the advantages that:
1. this practicality is through setting up drive arrangement and nozzle two phase coordination to nozzle one can remove in the position from top to bottom in specific use, and nozzle two can remove in the position about, and then increased the area that sprays of denitration thick liquid, make the better realization denitration reaction of this device.
2. This practicality cooperatees through setting up filter bag, sack cleaner and cyclone to at specific denitration dust removal in-process, cooperate through setting up three dust collector, and then can carry out thinner better dust removal operation to the flue gas.
3. Through setting up steam exchanger, water pump and steam exchange tube and cooperating to can be with the heat conversion in the flue gas heat of steam exchange tube normal water, and then make the heat of steam exchange tube normal water come to preheat the flue gas before the desulfurization, improve the utilization ratio of wastes material, also saved the use amount of the material of preheating the in-process.
Drawings
Fig. 1 is a schematic structural view of a denitration dust collector for an industrial boiler according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a driving device of a denitration dust remover for an industrial boiler according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a moving block of a denitration dust remover for an industrial boiler according to the embodiment of the present invention.
In the figure:
1. a flue gas inlet pipe; 2. a first denitration tower; 3. a bag-type dust collector; 4. a hot gas exchanger; 5. a mixer; 6. a fan; 7. an evaporator; 8. a mixing duct; 9. an ammonia gas storage device; 10. a second denitration tower; 11. a denitration pipe; 12. a first nozzle; 13. a second nozzle; 14. a drive device; 1401. a rack; 1402. a connecting cylinder; 1403. a mounting seat; 1404. a limiting seat; 1405. a first gear; 1406. a groove; 1407. a first worm; 1408. a limiting groove; 1409. a moving block; 1410. a slider; 1411. a second worm; 1412. a motor; 1413. a second gear; 1414. saw teeth; 15. a desulfurizing tower; 16. a desulfurization nozzle; 17. a desulfurization pipe; 18. a cyclone dust collector; 19. a preheater; 20. a water pump; 21. a hot gas exchange tube; 22. a filter bag; 23. and (4) a chimney.
Detailed Description
Referring now to the drawings and the detailed description, as shown in fig. 1-3, a denitration dust collector for an industrial boiler according to an embodiment of the present invention includes a flue gas inlet pipe 1, a denitration tower 2 is disposed at one end of the flue gas inlet pipe 1, a bag-type dust collector 3 is disposed on one side of the denitration tower 2 and on the flue gas inlet pipe 1, the bag-type dust collector 3 is disposed on one side of the bag-type dust collector 3 away from the denitration tower 2 and on the flue gas inlet pipe 1, a hot gas exchanger 4 is disposed, a mixer 5 is disposed on one side of the denitration tower 2, a fan 6 is disposed on one side of the mixer 5, an evaporator 7 is disposed on one side of the mixer 5 away from the denitration tower 2, an evaporator 7 is disposed between the denitration tower 2 and the mixer 5, an evaporator 5 and an evaporator 6, and an evaporator 5 and an evaporator 7 are respectively connected by a mixing pipe 8, one side of the evaporator 7 is provided with an ammonia gas storage device 9 matched with the evaporator, one side of the denitration tower 2 is provided with a denitration tower II 10, the denitration tower I2 is connected with the denitration tower II 10 through a denitration pipe 11, the denitration tower II 10 is provided with a plurality of nozzles I12, a nozzle II 13 is arranged between the two nozzle I12, the nozzle I12 is connected with the nozzle II 13 through a driving device 14, one side of the denitration tower II 10 is provided with a desulfurization tower 15, a plurality of desulfurization nozzles 16 are arranged in the desulfurization tower 15, the denitration tower II 10 is connected with the desulfurization tower 15 through a desulfurization pipe 17, a cyclone dust collector 18 is arranged on the desulfurization pipe 17 and between the desulfurization tower 15 and the denitration tower II 10, a preheater 19 is arranged between the cyclone dust collector 18 and the desulfurization tower 15 and on the desulfurization pipe 17, thereby through drive arrangement 14, increase denitration thick liquid spray area, and then can fully react denitration thick liquid with the flue gas, and then improve the efficiency of reaction.
In one example, for the hot gas exchanger 4, a water pump 20 is disposed on one side of the hot gas exchanger 4, and the hot gas exchanger 4 and the water pump 20 and the desulfurization pipe 17 are respectively connected by a hot gas exchange pipe 21, so that by disposing the hot gas exchanger 4, the residual heat in the flue gas can be recycled, and the energy consumption for preheating in the desulfurization process can be saved.
In one example, for the above-mentioned hot gas exchanger 4, the hot gas exchanger 4 is far away from one side of the bag-type dust collector 3 and is located inside the flue gas inlet pipe 1, and a filter bag 22 is arranged, so that the filter bag 22 is arranged, and then the dust in the flue gas can be preliminarily filtered.
In one example, for the desulfurization tower 15, a chimney 23 is provided at the top end of the desulfurization tower 15 to match with the desulfurization tower, so that smoke generated after the desulfurization and denitrification operations are finished can be discharged into the atmosphere by the chimney 23.
In an example, for the above driving device 14, the driving device 14 includes a rack 1401 connected to the bottom end of the nozzle first 12, the rack 1401 is sleeved with a connecting cylinder 1402, the bottom end of the inner connecting cylinder 1402 and the rack 1401 are provided with an installation seat 1403, the installation seat 1403 is connected to the inner wall of the denitration tower second 10, one side of the rack 1401 is provided with a limit seat 1404, one side of the rack 1401 is provided with a gear first 1405 matched with the rack 1401, the limit seat 1404 is provided with a groove 1406, the groove 1406 is provided with a worm first 1407, one end of the worm first 1407 is connected to the gear first 1405, two sides of the groove 1406 are symmetrically provided with a set of limit grooves 1408, the top end of the worm first 1407 is provided with a moving block 1409 matched with the worm first limit groove, the top end of the moving block 1409 is provided with the nozzle second 13, two sides of the moving block 1409 are symmetrically provided with a set of sliders 1410 matched with the limit grooves 1408, the bottom end of the rack 1401 is provided with a second worm 1411, one side of the second worm 1411 is provided with a motor 1412, a second gear 1413 matched with the second worm 1411 is sleeved on a rotating shaft of the motor 1412, so that the driving device 14 is arranged, the spraying area of denitration slurry is increased, the denitration efficiency is improved, the second nozzle 13 moves leftwards when the first nozzle 12 moves upwards, and the second nozzle 13 moves rightwards when the first nozzle 12 moves downwards, so that the denitration operation can be performed on flue gas in a full coverage manner.
In one example, for the above-mentioned moving block 1409, the bottom end of the moving block 1409 is provided with saw teeth 1414 which are matched with the first worm 1407, so that the spraying area of the denitration slurry is increased by arranging the saw teeth 1414 and further moving the moving block 1409 to drive the second nozzle 13 to move in the left-right direction.
The working principle is as follows: when in use, flue gas enters the device through the flue gas inlet pipe 1, is filtered by the filter bag 22, then is converted into heat of water in the hot gas exchange pipe 21 through the hot gas exchanger 4, is subjected to secondary dust removal through the bag-type dust remover 3, is reacted with ammonia gas in the denitration tower I2, then passes through the denitration tower II 10, at the moment, the motor 1412 is driven, the motor 1412 drives the gear II 1413 to rotate, the gear II 1413 is matched with the worm II 1411 to drive the rack 1401 to move in the up-and-down direction, the rack 1401 drives the nozzle I12 to move in the up-and-down direction, at the moment, the rack 1401 drives the gear I1405 to rotate, the gear I1405 drives the worm I1407 to rotate, the worm I1409 drives the moving block 1409 to move in the left-and-right direction, the moving block 1409 drives the nozzle II 13 to move in the left-and-right direction, and the flue gas after denitration is subjected to primary dust removal through, the temperature of the flue gas rises under the heat exchange of water, the temperature is raised again through the preheater 19, and finally the flue gas enters the desulfurizing tower 15 for desulfurization, and the flue gas after the desulfurization is finished is discharged through the chimney 23.
In conclusion, with the aid of the above technical scheme of the utility model, the utility model discloses a set up drive arrangement 14 and cooperate with two 13 of nozzle 12 and nozzle to nozzle 12 can remove in the position from top to bottom in concrete use, and two 13 of nozzle can remove in the position from left and right sides, and then increase the area of spraying of denitration thick liquid, make the better realization denitration reaction of this device. This practicality cooperatees through setting up and cross filter bag 22, sack cleaner 3 and cyclone 18 to at specific denitration dust removal in-process, cooperate through setting up three dust collector, and then can carry out thinner better dust removal operation to the flue gas. Cooperate through setting up hot gas exchanger 4, water pump 20 and hot gas exchange tube 21 to can be with the heat conversion in the flue gas heat of hot gas exchange tube 21 normal water, and then make the heat of hot gas exchange tube 21 normal water come to make the flue gas preheat before the desulfurization, improved the utilization ratio of waste material, also saved the use amount of the material of preheating the in-process.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a denitration dust remover for industrial boiler, a serial communication port, including flue gas admission pipe (1), the one end of flue gas admission pipe (1) is provided with denitration tower (2), one side of denitration tower (2) just is located be provided with sack cleaner (3) on flue gas admission pipe (1), the sack cleaner, sack cleaner (3) are kept away from one side of denitration tower (2) just is located be provided with steam interchanger (4) on flue gas admission pipe (1), one side of denitration tower (2) is provided with blender (5), one side of blender (5) is provided with fan (6), blender (5) are kept away from one side of denitration tower (2) is provided with evaporimeter (7), denitration tower (2) with between blender (5), blender (5) with between fan (6) and blender (5) with between evaporimeter (7) respectively Are all connected through a mixing pipeline (8), one side of the evaporator (7) is provided with an ammonia gas storage device (9) matched with the evaporator, one side of the first denitration tower (2) is provided with a second denitration tower (10), the first denitration tower (2) is connected with the second denitration tower (10) through a denitration pipe (11), the second denitration tower (10) is provided with a plurality of first nozzles (12), a second nozzle (13) is arranged between the two first nozzles (12), the first nozzle (12) is connected with the second nozzle (13) through a driving device (14), one side of the second denitration tower (10) is provided with a desulfurization tower (15), the desulfurization tower (15) is internally provided with a plurality of desulfurization nozzles (16), the second denitration tower (10) is connected with the desulfurization tower (15) through a desulfurization pipe (17), and a cyclone dust collector (18) is arranged on the desulfurization pipe (17) and positioned between the desulfurization tower (15) and the second denitration tower (10), a preheater (19) is arranged between the cyclone dust collector (18) and the desulfurizing tower (15) and positioned on the desulfurizing pipe (17).
2. The denitration dust collector for industrial boiler according to claim 1, wherein a water pump (20) is provided at one side of the hot gas exchanger (4), and the connection between the hot gas exchanger (4) and the water pump (20) and the connection between the water pump (20) and the desulfurization pipe (17) are respectively through a hot gas exchange pipe (21).
3. The denitration dust collector for industrial boiler according to claim 1, characterized in that the hot gas exchanger (4) is provided with a filter bag (22) at the side far from the bag-type dust collector (3) and in the flue gas inlet pipe (1).
4. The denitration dust collector for industrial boiler according to claim 1, wherein the top end of said desulfurization tower (15) is provided with a chimney (23) matched with it.
5. The denitration dust remover for the industrial boiler according to claim 1, wherein the driving device (14) comprises a rack (1401) connected with the bottom end of the first nozzle (12), a connecting cylinder (1402) is sleeved on the rack (1401), a mounting seat (1403) is arranged at the bottom end of the connecting cylinder (1402) and positioned on the rack (1401), the mounting seat (1403) is connected with the inner wall of the second denitration tower (10), a limiting seat (1404) is arranged at one side of the rack (1401), a first gear (1405) matched with the rack (1401) is arranged at one side of the rack (1401), a groove (1406) is formed in the limiting seat (1404), a first worm (1407) is arranged in the groove (1406), one end of the first worm (1407) is connected with the first gear (1405), a group of limiting grooves (1408) are symmetrically formed in two sides of the groove (1406), the top end of the first worm (1407) is provided with a moving block (1409) matched with the first worm, two sides of the moving block (1409) are symmetrically provided with a group of sliding blocks (1410) matched with the limiting groove (1408), the top end of the moving block (1409) is provided with a second nozzle (13), the bottom end of the rack (1401) is provided with a second worm (1411), one side of the second worm (1411) is provided with a motor (1412), and a second gear (1413) matched with the second worm (1411) is sleeved on a rotating shaft of the motor (1412).
6. The denitrator dust collector for industrial boiler according to claim 5, characterized in that the bottom end of the moving block (1409) is provided with saw teeth (1414) which are matched with the first worm (1407).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921831555.5U CN211384369U (en) | 2019-10-29 | 2019-10-29 | Denitration dust remover for industrial boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921831555.5U CN211384369U (en) | 2019-10-29 | 2019-10-29 | Denitration dust remover for industrial boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211384369U true CN211384369U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921831555.5U Active CN211384369U (en) | 2019-10-29 | 2019-10-29 | Denitration dust remover for industrial boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211384369U (en) |
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2019
- 2019-10-29 CN CN201921831555.5U patent/CN211384369U/en active Active
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