CN113304605B - High-temperature flue gas emission desulfurization and denitrification device - Google Patents
High-temperature flue gas emission desulfurization and denitrification device Download PDFInfo
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- CN113304605B CN113304605B CN202110586607.2A CN202110586607A CN113304605B CN 113304605 B CN113304605 B CN 113304605B CN 202110586607 A CN202110586607 A CN 202110586607A CN 113304605 B CN113304605 B CN 113304605B
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 239000003546 flue gas Substances 0.000 title claims abstract description 54
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 25
- 230000023556 desulfurization Effects 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000005507 spraying Methods 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 238000003860 storage Methods 0.000 claims description 39
- 230000005484 gravity Effects 0.000 claims description 29
- 238000004891 communication Methods 0.000 claims description 15
- 238000005086 pumping Methods 0.000 claims description 15
- 210000001503 joint Anatomy 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000002893 slag Substances 0.000 abstract description 56
- 239000003054 catalyst Substances 0.000 abstract description 28
- 239000007921 spray Substances 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000000498 cooling water Substances 0.000 description 18
- 239000000463 material Substances 0.000 description 11
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 230000000630 rising effect Effects 0.000 description 9
- 239000000779 smoke Substances 0.000 description 8
- 229910052815 sulfur oxide Inorganic materials 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000007667 floating Methods 0.000 description 6
- 238000007664 blowing Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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- 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
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
-
- 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
- B01D46/0052—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation
- B01D46/0056—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation with rotational movement
-
- 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
- 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
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
- B01D53/8609—Sulfur 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
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
- B01D53/885—Devices in general for catalytic purification of waste gases
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to a high-temperature flue gas emission desulfurization and denitrification device which comprises a positioning mechanism, a discharge pipe, a desulfurization and denitrification mechanism, an embedded ring and a filtering mechanism, wherein the discharge pipe is arranged at the upper end of the positioning mechanism, the desulfurization and denitrification mechanism is arranged in the middle of the discharge pipe, the embedded ring is embedded into the upper end of the discharge pipe and is locked and connected with the discharge pipe through a connecting piece, and the desulfurization and denitrification mechanism is arranged on the embedded ring. The invention can solve the problems that the catalyst sprayed by a single spray head has the same spraying track, so that the catalyst is concentrated, partial flue gas is not reacted with the catalyst and is discharged, the sprayed catalyst has the same amount no matter the flue gas amount, the waste of partial catalyst is easily caused when the flue gas amount is small, and slag obtained after the catalyst is reacted with the catalyst is likely to be discharged and diffused upwards under the impact of the continuously discharged flue gas, so that the leakage condition of the slag is caused.
Description
Technical Field
The invention relates to the technical field related to flue gas purification, in particular to a high-temperature flue gas emission desulfurization and denitrification device.
Background
Sulfur dioxide and nitrogen oxides are important atmospheric pollutants that contribute to haze pollution. With the development of economy, the total amount of sulfur dioxide and nitrogen oxides discharged by China in industry is increased year by year. With the improvement of emission standards and the promotion and promotion of national requirements on ultra-clean emission, the emission reduction pressure of sulfur dioxide and nitrogen oxide in thermal power and other industries is getting larger and larger. At present, the single desulfurization and denitrification technology is various in types and mature. In order to make the emission of each pollutant in the flue gas reach the standard, all industrial enterprises need to build and operate a desulfurization and denitrification device at the same time, so that the problems of large occupied area and high investment cost exist. Therefore, the development of an efficient synergistic desulfurization and denitrification technology is the key to realizing low-cost ultra-clean emission.
The traditional flue gas desulfurization and denitration treatment method usually adopts a mode that upward-conveyed flue gas is in contact with downward-sprayed catalyst in an opposite flushing manner to react so as to obtain granular slag, but the mode may have some problems
1. The catalyst sprayed by the single spray head has the same spraying track, so that the catalyst is concentrated, partial flue gas is discharged after not reacting with the catalyst, the sprayed catalyst amount is the same no matter the flue gas amount, and partial catalyst is easily wasted when the flue gas amount is small;
2. the slag obtained after the reaction with the catalyst may be discharged and diffused upwards under the impact of the continuously discharged flue gas, resulting in leakage of the slag.
Disclosure of Invention
Technical scheme (I)
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a high temperature flue gas emission SOx/NOx control device, includes positioning mechanism, delivery pipe, SOx/NOx control mechanism, embedding ring, filter mechanism, and the delivery pipe is installed to positioning mechanism's upper end, and the middle part of delivery pipe is provided with SOx/NOx control mechanism, and the upper end embedding of delivery pipe has the embedding ring, and the two passes through the connecting piece locking connection, installs filter mechanism on the embedding ring.
The desulfurization and denitrification mechanism comprises a storage frame, a delivery pump, a limiting ring, a circular ring, a spraying branched chain and a pressing ring, wherein the storage frame is arranged on the outer wall of a discharge pipe, a communication hole is formed in the middle of the left side of the discharge pipe, the delivery pump is connected between the lower half part of the storage frame and the communication hole, the delivery pump is arranged on the discharge pipe, the limiting ring is arranged on the inner wall of the discharge pipe, the circular ring is placed on the limiting ring, the spraying branched chain is arranged inside the circular ring, the spraying branched chain is used for carrying out appropriate hole site adjustment and spraying aiming at the discharge amount of flue gas, the upper end of the circular ring is attached to the pressing ring, the pressing ring is in threaded fit connection with the discharge pipe, the pressing ring and the limiting ring are used for pressing and limiting the circular ring up and down, during specific work, a catalyst in a second storage cavity is pumped out through the delivery pump and sprayed out from the spraying branched chain, and then carries out flue gas reaction with rising flue gas to generate granular slag materials, the generated granular slag materials rise together with the impact of the flue gas of desulfurization and denitrification.
The spraying branch chain include connecting rod, intercommunication chamber, through-hole one, through-hole two, through-hole three, gravity post one, gravity post two, expand panel one and expand panel two, the connecting rod is installed on the ring, the intercommunication chamber has been seted up on the connecting rod, through-hole one has been seted up to the lower extreme of connecting rod, through-hole two, through-hole three, the three is interval arrangement, and through-hole one, through-hole two, be the intercommunication relation between through-hole three and the intercommunication chamber, the cover is equipped with gravity post one on the through-hole one, the upper end of gravity post one is installed and is expanded panel one, the cover is equipped with gravity post two on the through-hole two, the upper end of gravity post two is installed and is expanded panel two.
The filtering mechanism comprises a rotating ring, an annular rack, a filtering net, a gear, a motor, a cleaning brush, an extrusion frame, a necking mechanism, a pumping pump and a circular ring cavity, wherein the rotating ring is connected with an embedding ring in a rotating fit manner, the annular rack is arranged on the outer wall of the rotating ring and is meshed with the gear, the gear is arranged on an output shaft of the motor, the motor is arranged on the embedding ring, the filtering net is arranged inside the rotating ring and intercepts rising slag materials and prevents the slag materials from floating into the air, the cleaning brush is arranged in the middle of the embedding ring and is used for pushing the slag materials blocked on the rotating filtering net downwards in order to prevent the situation that the filtering net is blocked by excessive slag materials, the extrusion frame is symmetrically arranged at the lower end of the rotating ring, the necking mechanism is arranged on the discharging pipe and is positioned below the filtering net, and the pumping pump is arranged at the left end of the discharging pipe, the cooling water in the first storage cavity is pumped out through the pumping pump and conveyed into the circular ring cavity, and when the corresponding port in the circular ring cavity is aligned with the necking mechanism in the rotation, the cooling water can be sprayed out, so that intermittent water spraying is carried out, the circular ring cavity is formed in the discharge pipe, and the upper half part of the storage frame is communicated with the circular ring cavity through the pumping pump.
As preferred, positioning mechanism establish pipe, screw thread post, centre gripping arc including the cover, the upper end and the delivery union coupling of pipe are established to the cover, the cover is established and is evenly provided with the screw thread post along its circumference on the pipe, the screw thread post is established union coupling through screw-thread fit's mode and cover, the inner of screw thread post is passed through the bearing and is connected with the centre gripping arc, centre gripping arc is established for sliding fit to be connected between the pipe with the cover, establish the pipe box with the cover and establish on current chimney, handheld twist grip rotates the screw thread post to drive centre gripping arc inward movement, the centre gripping arc that circumference was arranged carries out annular centre gripping location to the chimney periphery.
Preferably, the outer end of the threaded column is provided with a rotating handle, so that a person can conveniently rotate the threaded column.
Preferably, the storage frame is of an annular structure, the interior of the storage frame is divided into a first storage cavity and a second storage cavity from top to bottom, a delivery pump is connected between the second storage cavity and the communication hole, cooling water is injected into the first storage cavity, and a catalyst is injected into the second storage cavity.
As preferred, the upper end symmetry of spacing ring be provided with the embedding post, and the ring is inserted on the embedding post, the setting of embedding post plays the effect of location to the ring, and push handle is installed to the upper end symmetry of clamp ring, and push handle is L type structure, makes things convenient for personnel to promote push handle and makes clamp ring and discharge tube screw-thread fit be connected.
Preferably, the first gravity column and the second gravity column are both provided with circulation cavities, the diameter of the first expanded panel is smaller than that of the second expanded panel, the first expanded panel and the second expanded panel are made of the same material, and when the diameter of the first expanded panel is smaller than that of the second expanded panel, the wind force for blowing up the second expanded panel is larger than that for blowing up the first expanded panel.
Preferably, the ring is provided with a ring cavity, and the ring cavity, the communicating hole and the communicating cavity are in communicating relation, so that the normal circulation of the catalyst is ensured.
Preferably, the cleaning brush consists of a steel brush and a connecting plate, the connecting plate is arranged in the middle of the embedding ring, the steel brush is uniformly arranged at the lower end of the connecting plate, and the steel brush pushes out slag blocked on the filter screen downwards to prevent the filter screen from being blocked.
Preferably, the necking mechanism comprises a circular ring, a necking ring, a fixing rod, an intercepting net and a pressed rod, the circular ring is connected with the discharge pipe in a detachable and rotating fit mode, the necking ring is installed at the upper end of the circular ring and is connected with the intercepting net through the fixing rod, the pressed rod is symmetrically installed at the upper end of the necking ring, a retention area is formed between the necking ring and the discharge pipe, the aperture of the intercepting net is larger than that of the filter screen, granular slag generated by reaction rises along with flue gas, part of larger granular slag is directly intercepted by the intercepting net, the rest of small granular slag and flue gas continue to rise, the small granular slag is intercepted through the filter screen, when the flue gas is completely discharged, part of slag falls into the retention area due to no pushing of the flue gas, the other part of slag falls into the intercepting net, and some of the intercepted slag which is intercepted by the intercepting net for the first time can fall back into the chimney, the embedded ring can be opened for the slag falling on the interception net and the filter screen, so that the slag can be taken out, and the slag falling back to the chimney part can be cleaned regularly.
Preferably, the circular ring is internally provided with a conveying cavity, the outer wall of the circular ring is uniformly provided with butt joints along the circumferential direction, the inner part of the necking ring is provided with a connecting cavity, the outer wall of the necking ring is uniformly provided with ejection holes along the circumferential direction, the butt joints, the conveying cavity, the connecting cavity and the ejection holes are in a communicated relation, the inner side of the circular ring cavity is uniformly provided with corresponding ports, the corresponding ports correspond to the positions of the butt joints, the rotating ring rotates and drives the extrusion frame to rotate, the rotating extrusion frame drives the circular ring, the necking ring and the interception net to rotate after being contacted with the pressure rod, when the butt joints on the circular ring are aligned with the corresponding holes, cooling water can smoothly enter the connecting cavity so as to be ejected from the ejection holes to cool slag and smoke, water is ejected intermittently, cooling water is given for a certain cooling time each time, the slag becomes wet and increases weight after the cooling water is contacted with the slag, the difficulty of the floating is reduced, and the flue gas is cooled to avoid difficult timely cooling after floating.
Preferably, the annular cavity is communicated with the first storage cavity through a pumping pump, and the cooling water in the first storage cavity is pumped out through the pumping pump and conveyed to the annular cavity, so that the butt joint port is waited to be aligned with the corresponding hole, and the cooling water is conveyed to the conveying cavity in time.
(II) advantageous effects
1. According to the high-temperature flue gas emission desulfurization and denitrification device, the ascending flue gas is subjected to homogenization reaction in a hole site dispersion mode, the number of hole sites is adjusted according to the ascending amount of the flue gas, the mode that large holes are large in quantity and small holes are small in quantity is realized, the waste of a catalyst is avoided, the intermittent water spraying is adopted, so that the slag material is humidified and weighted, and the slag material is intercepted in a twice intercepting mode, so that the leakage of the slag material is avoided;
2. according to the high-temperature flue gas emission desulfurization and denitrification device, the first through hole, the second through hole and the third through hole in the desulfurization and denitrification mechanism are arranged in a dispersing mode, so that uniform spraying of a catalyst is facilitated, the initial states of the first through hole and the second through hole are in a blocking and sealing state, the first through hole and the second through hole can be opened only when the first expanded panel and the second expanded panel are blown up by the impact force of upward emission of flue gas, the catalyst is sprayed from the first through hole and the second through hole, the number of hole sites is determined according to the emission amount of the flue gas, and compared with spraying of a single spray head, adaptability adjustment is enhanced, and waste of the catalyst is avoided;
3. according to the high-temperature flue gas emission desulfurization and denitrification device, the filter mechanism intercepts slag twice through the filter screen and the intercepting net, meanwhile, the butt joint ports and the corresponding holes are aligned intermittently due to the rotation of the circular ring and the necking ring, so that the cooling water is sprayed intermittently, a certain sufficient contact time is given to the cooling water sprayed each time by intermittent spraying, the sprayed cooling water humidifies and increases the weight of the slag, and the difficulty in discharging is increased.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the installation of the present invention to a chimney;
FIG. 3 is a schematic perspective view of the necking mechanism of the present invention;
FIG. 4 is a top view of the present invention between the ring and the spray arm;
FIG. 5 is a schematic perspective view of the rotary ring, the annular rack, the filter screen and the extrusion frame of the present invention;
FIG. 6 is an enlarged view of a portion of the invention at X of FIG. 2;
fig. 7 is a partial enlarged view of the invention at Y of fig. 2.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 7, a high temperature flue gas emission SOx/NOx control device, including positioning mechanism 1, delivery pipe 2, SOx/NOx control mechanism 3, embedding ring 4, filter mechanism 5, delivery pipe 2 is installed to positioning mechanism 1's upper end, and the middle part of delivery pipe 2 is provided with SOx/NOx control mechanism 3, and the embedding of delivery pipe 2's upper end has embedding ring 4, and the two passes through the connecting piece locking connection, installs filter mechanism 5 on the embedding ring 4.
The desulfurization and denitrification mechanism 3 comprises a storage frame 31, a delivery pump 32, a limiting ring 33, a ring 34, a spraying branch chain 35 and a compression ring 36, wherein the storage frame 31 is arranged on the outer wall of the discharge pipe 2, the middle part of the left side of the discharge pipe 2 is provided with a communication hole, the delivery pump 32 is connected between the lower half part of the storage frame 31 and the communication hole, the delivery pump 32 is arranged on the discharge pipe 2, the limiting ring 33 is arranged on the inner wall of the discharge pipe 2, the ring 34 is placed on the limiting ring 33, the spraying branch chain 35 is arranged in the ring 34, the spraying branch chain 35 performs appropriate hole position adjustment and ejection aiming at the discharge amount of flue gas, the upper end of the ring 34 is attached to the compression ring 36, the compression ring 36 is in threaded fit connection with the discharge pipe 2, the compression ring 36 and the limiting ring 33 vertically compress and limit the ring 34, the storage frame 31 is of an annular structure, and the interior of the storage frame 31 is vertically divided into a storage cavity I and a storage cavity II, store and be connected with delivery pump 32 between chamber two and the intercommunicating pore, store and pour into the cooling water in chamber one, inject the catalyst in storing chamber two, the upper end symmetry of spacing ring 33 be provided with the embedding post, and ring 34 inserts on the embedding post, the setting of embedding post plays the effect of location to ring 34, push handle is installed to clamp ring 36's upper end symmetry, push handle is L type structure, make things convenient for personnel to promote push handle and make clamp ring 36 and 2 screw-thread fit connections of delivery pipe, when concrete work, will store the catalyst in chamber two and take out through delivery pump 32 to spout in the branch chain 35 of spraying, and then carry out flue gas reaction with the flue gas that rises and produce granule slag, the granule slag of production rises together in the impact of SOx/NOx control's flue gas.
The spray branched chain 35 comprises a connecting rod 351, a communication cavity 352, a first through hole 353, a second through hole 354, a third through hole 355, a first gravity column 356, a second gravity column 357, a first expanded panel 358 and a second expanded panel 359, wherein the connecting rod 351 is installed on the ring 34, the connecting rod 351 is provided with the communication cavity 352, the lower end of the connecting rod 351 is provided with the first through hole 353, the second through hole 354 and the third through hole 355 which are arranged at intervals, the first through hole 353, the second through hole 354, the third through hole 355 and the communication cavity 352 are communicated, the first through hole 353 is sleeved with the first gravity column 356, the first expanded panel 358 is installed at the upper end of the first gravity column 356, the second through hole 354 is sleeved with the second gravity column 357, the second expanded panel 359 is installed at the upper end of the second gravity column 357, when the smoke rises, the smoke cannot rise due to the impact, the catalyst in the second storage cavity can be sprayed out only through the third through hole 355, when the smoke rises to a medium level, the first expanded panel 358 drives the first gravity column 356 to rise under the action of smoke rising impact, so that the first through hole 353 is opened (the rising first gravity column 356 cannot block normal circulation inside the communication cavity 352), the second gravity column 357 remains unchanged in position, the catalyst in the second storage cavity is sprayed out from the first through hole 353 and the third through hole 355, when the smoke rises to a large level, the first expanded panel 358 and the second expanded panel 359 drive the first gravity column 356 and the second gravity column 357 to rise under the action of smoke rising impact, so that the first through hole 353 and the second through hole 354 are opened, and the catalyst in the second storage cavity is sprayed out from the first through hole 353, the second through hole 354 and the third through hole 355.
Circulation cavities are respectively formed in the first gravity column 356 and the second gravity column 357, the diameter of the first expanded panel 358 is smaller than the diameter of the second expanded panel 359, the first expanded panel 358 and the second expanded panel 359 are made of the same material, when the diameter of the first expanded panel 358 is smaller than the diameter of the second expanded panel 359, the wind force for blowing up the second expanded panel 359 is larger than the wind force for blowing up the first expanded panel 358, the annular cavity is formed in the ring 34, the annular cavity, the communication holes and the communication cavity 352 are in communication relation, and normal circulation of the catalyst is guaranteed.
The filtering mechanism 5 comprises a rotating ring 51, an annular rack 52, a filter screen 53, a gear 54, a motor 55, a cleaning brush 56, an extrusion frame 57, a necking mechanism 58, a pumping pump 59 and a circular ring cavity 60, wherein the rotating ring 51 is connected with the embedded ring 4 in a rotating fit manner, the annular rack 52 is arranged on the outer wall of the rotating ring 51, the annular rack 52 is meshed with the gear 54, the gear 54 is arranged on an output shaft of the motor 55, the motor 55 is arranged on the embedded ring 4, the filter screen 53 is arranged in the rotating ring 51, the filter screen 53 intercepts rising slag and prevents the slag from floating into the air, the cleaning brush 56 is arranged in the middle of the embedded ring 4, the cleaning brush 56 is used for preventing the situation that the filter screen 53 is blocked by excessive slag, the filter screen 53 in a rotating state is ejected downwards, the extrusion frame 57 is symmetrically arranged at the lower end of the rotating ring 51, the necking mechanism 58 is arranged on the exhaust pipe 2, the necking mechanism 58 is positioned below the filter screen 53, the pumping pump 59 is installed at the left end of the discharge pipe 2, cooling water in the first storage cavity is pumped out and conveyed into the annular cavity 60 through the pumping pump 59, when a corresponding port in the annular cavity 60 is aligned with the rotating necking mechanism 58, the cooling water can be sprayed out, so that intermittent water spraying is carried out, the annular cavity 60 is formed in the discharge pipe 2, the upper half part of the storage frame 31 is communicated with the annular cavity 60 through the pumping pump 59, the cleaning brush 56 consists of a steel brush and a connecting plate, the connecting plate is installed in the middle of the embedding ring 4, the steel brush is evenly installed at the lower end of the connecting plate, the annular cavity 60 is communicated with the first storage cavity through the pumping pump 59, the cooling water in the first storage cavity is pumped out and conveyed into the annular cavity 60 through the pumping pump 59, so that a butt joint is aligned with the corresponding hole and is conveyed into the conveying cavity well, the steel brush is ejecting downwards to the slag charge of jam on filter screen 53, prevent the condition that filter screen 53 blockked up, concrete during operation, drive gear 54 through motor 55 and rotate, at gear 54, drive swivel becket 51 under the cooperation of annular rack 52, filter screen 53 rotates, intercept rising granule slag charge under the interception of filter screen 53, pass through cleaning brush 56 to some slag charges of card on filter screen 53 and ejecting it downwards, prevent the too much jam of filter screen 53, swivel becket 51 drives extrusion frame 57 when pivoted and rotates, thereby drive throat mechanism 58 and rotate, and then intermittent type formula clear water blowout, carry out the humidification to rising slag charge and sink.
The necking mechanism 58 comprises a circular ring 581, a necking ring 582, a fixing rod 583, an interception net 584 and a pressed rod 585, the circular ring 581 is connected with the discharge pipe 2 in a detachable and rotating fit manner, the upper end of the circular ring 581 is provided with the necking ring 582, the necking ring 582 is connected with the interception net 584 through the fixing rod 583, the pressed rod 585 is symmetrically arranged at the upper end of the necking ring 582, a retention area is formed between the necking ring 582 and the discharge pipe 2, the aperture of the interception net 584 is larger than that of the filter screen 53, granular slag generated by reaction rises along with flue gas, part of larger granular slag is directly intercepted by the interception net 584, the rest of small granular slag and flue gas continue to rise, the small granular slag is intercepted by the filter screen 53, when the flue gas is completely discharged, part of slag falls into the retention area due to no push of the flue gas, the other part of slag falls onto the interception net 584, some of the slag which is intercepted by the interception screen 584 for the first time falls back into the chimney, and the embedded ring 4 can be opened for the slag which falls on the interception screen 584 and the filter screen 53, so that the slag can be taken out, and the slag which falls back to the chimney part can be cleaned periodically.
The circular ring 581 is internally provided with a conveying cavity, the outer wall of the circular ring 581 is uniformly provided with butt joints along the circumferential direction, the inner side of the circular ring cavity 60 is uniformly provided with corresponding ports corresponding to the positions of the butt joints, the rotary ring 51 rotates and simultaneously drives the extrusion frame 57 to rotate, the rotary extrusion frame 57 is contacted with the compression rod 585 to drive the circular ring 581, the butt joints, the conveying cavity, the connecting cavity and the ejection holes to rotate, when the butt joints on the circular ring 581 are aligned with the corresponding holes, cooling water can smoothly enter the connecting cavity so as to be ejected from the ejection holes to cool slag and smoke, the water ejection is intermittent ejection, certain cooling time is given to the ejected cooling water each time, the slag becomes wet after the cooling water is contacted with the slag, the difficulty of the floating is reduced, and the flue gas is cooled to avoid difficult timely cooling after floating.
When in work:
installation: sleeving the sleeving pipe 11 on the existing chimney, and rotating the threaded column 12 by holding the rotating handle so as to drive the clamping arc-shaped plates 13 to move inwards, wherein the clamping arc-shaped plates 13 arranged circumferentially clamp and position the periphery of the chimney in an annular manner;
and (3) desulfurization and denitration: the flue gas is discharged from the chimney, passes through the discharge pipe 2, the catalyst in the storage cavity II is pumped out through the delivery pump 32 and is sprayed out from the spray branch chain 35, and then the flue gas reacts with the rising flue gas to generate particle slag, and the generated particle slag rises together under the impact of the desulfurized and denitrated flue gas;
intercepting: the ascending flue gas is cooled and the slag charge is wetted and weighted in an intermittent water spraying mode, the cooled flue gas is smoothly discharged, the slag charge is intercepted twice through the interception net 584 and the filter net 53, and meanwhile the filter net 53 clamped on the filter net 53 in a rotating state is ejected downwards through the cleaning brush 56.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a high temperature flue gas emission SOx/NOx control device, includes positioning mechanism (1), delivery pipe (2), SOx/NOx control mechanism (3), embedding ring (4), filtering mechanism (5), its characterized in that: the upper end of the positioning mechanism (1) is provided with a discharge pipe (2), the middle part of the discharge pipe (2) is provided with a desulfurization and denitrification mechanism (3), the upper end of the discharge pipe (2) is embedded with an embedded ring (4), the embedded ring and the embedded ring are locked and connected through a connecting piece, and the embedded ring (4) is provided with a filtering mechanism (5);
the desulfurization and denitrification mechanism (3) comprises a storage frame (31), a conveying pump (32), a limiting ring (33), a circular ring (34), a spraying branched chain (35) and a pressing ring (36), wherein the storage frame (31) is installed on the outer wall of the discharge pipe (2), a communication hole is formed in the middle of the left side of the discharge pipe (2), the conveying pump (32) is connected between the lower half part of the storage frame (31) and the communication hole, the conveying pump (32) is installed on the discharge pipe (2), the limiting ring (33) is installed on the inner wall of the discharge pipe (2), the circular ring (34) is placed on the limiting ring (33), the spraying branched chain (35) is installed inside the circular ring (34), the upper end of the circular ring (34) is attached to the pressing ring (36), and the pressing ring (36) is in threaded fit connection with the discharge pipe (2);
the storage frame (31) is of an annular structure, the interior of the storage frame (31) is divided into a first storage cavity and a second storage cavity up and down, and a delivery pump (32) is connected between the second storage cavity and the communicating hole;
the spraying branched chain (35) comprises a connecting rod (351), a communicating cavity (352), a through hole I (353), a through hole II (354), a through hole III (355), a gravity column I (356), a gravity column II (357), a face expanding plate I (358) and a face expanding plate II (359), wherein the connecting rod (351) is arranged on the circular ring (34), the communicating cavity (352) is arranged on the connecting rod (351), the through hole I (353), the through hole II (354) and the through hole III (355) are arranged at the lower end of the connecting rod (351) at intervals, the through hole I (353), the through hole II (354), the through hole III (355) and the communication cavity (352) are communicated, the gravity column I (356) is sleeved on the through hole I (353), the expansion plate I (358) is installed at the upper end of the gravity column I (356), the gravity column II (357) is sleeved on the through hole II (354), and the expansion plate II (359) is installed at the upper end of the gravity column II (357);
circulation cavities are formed in the first gravity column (356) and the second gravity column (357), and the diameter of the first expansion panel (358) is smaller than that of the second expansion panel (359);
the ring (34) is provided with a ring cavity, and the ring cavity, the communicating holes and the communicating cavity (352) are communicated;
the filtering mechanism (5) comprises a rotating ring (51), an annular rack (52), a filter screen (53), a gear (54), a motor (55), a cleaning brush (56), an extrusion frame (57), a necking mechanism (58), a pumping pump (59) and a circular ring cavity (60), wherein the rotating ring (51) is connected with the embedding ring (4) in a rotating matching manner, the annular rack (52) is installed on the outer wall of the rotating ring (51), the annular rack (52) is meshed with the gear (54), the gear (54) is installed on an output shaft of the motor (55), the motor (55) is installed on the embedding ring (4), the filter screen (53) is installed inside the rotating ring (51), the cleaning brush (56) is installed in the middle of the embedding ring (4), the extrusion frame (57) is symmetrically installed at the lower end of the rotating ring (51), the necking mechanism (58) is arranged on the discharge pipe (2), and the necking mechanism (58) is positioned below the filter screen (53), a pumping pump (59) is arranged at the left end of the discharge pipe (2), a circular cavity (60) is formed in the discharge pipe (2), and the upper half part of the storage frame (31) is communicated with the circular cavity (60) through the pumping pump (59);
the necking mechanism (58) comprises a circular ring (581), a necking ring (582), a fixing rod (583), an intercepting net (584) and a compression rod (585), the circular ring (581) is connected with the discharge pipe (2) in a detachable rotating fit mode, the upper end of the circular ring (581) is provided with the necking ring (582), the necking ring (582) is connected with the intercepting net (584) through the fixing rod (583), and the compression rod (585) is symmetrically arranged at the upper end of the necking ring (582);
the utility model discloses a conveying device for a large-scale motor, including circular ring (581), the outer wall of circular ring (581) seted up the transport chamber inside, the butt joint mouth has evenly been seted up along its circumference to the outer wall of circular ring (581), the connection chamber has been seted up to throat ring (582) inside, the blowout hole has evenly been seted up along its circumference to the outer wall of throat ring (582), and is to butt joint mouth, transport chamber, connection chamber, blowout hole for the intercommunication relation, the corresponding mouth has evenly been seted up to the inboard in circular ring chamber (60), the position that corresponds mouthful and butt joint mouth is corresponding.
2. The desulfurization and denitrification facility for high-temperature flue gas emission according to claim 1, wherein: positioning mechanism (1) establish pipe (11), screw thread post (12), centre gripping arc (13) including the cover, the upper end and the delivery pipe (2) of pipe (11) are established to the cover, the cover is established and is evenly provided with screw thread post (12) along its circumference on pipe (11), screw thread post (12) are established pipe (11) through screw-thread fit's mode and cover and are connected, the inner of screw thread post (12) is passed through the bearing and is connected with centre gripping arc (13), centre gripping arc (13) and cover are established and are connected for sliding fit between pipe (11).
3. The desulfurization and denitrification facility for high-temperature flue gas emission according to claim 2, wherein: the outer end of the threaded column (12) is provided with a rotating handle.
4. The desulfurization and denitrification facility for high-temperature flue gas emission according to claim 1, wherein: the upper end of the limiting ring (33) is symmetrically provided with embedded columns, the circular ring (34) is inserted on the embedded columns, and the upper ends of the compression rings (36) are symmetrically provided with pushing handles.
5. The desulfurization and denitrification facility for high-temperature flue gas emission according to claim 1, wherein: the cleaning brush (56) is composed of a steel brush and a connecting plate, the connecting plate is arranged in the middle of the embedding ring (4), and the steel brush is evenly arranged at the lower end of the connecting plate.
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Denomination of invention: A high-temperature flue gas emission desulfurization and denitrification device Granted publication date: 20220208 Pledgee: China Postal Savings Bank Limited by Share Ltd. Fuyang branch Pledgor: ANHUI JINSENYUAN ENVIRONMENTAL ENGINEERING CO.,LTD. Registration number: Y2024980021424 |
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