CN111495162B - Silencing device and method for dry desulfurization and denitrification - Google Patents
Silencing device and method for dry desulfurization and denitrification Download PDFInfo
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- CN111495162B CN111495162B CN202010337251.4A CN202010337251A CN111495162B CN 111495162 B CN111495162 B CN 111495162B CN 202010337251 A CN202010337251 A CN 202010337251A CN 111495162 B CN111495162 B CN 111495162B
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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
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
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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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
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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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
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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
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J7/00—Arrangement of devices for supplying chemicals to fire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention discloses a silencing device and a silencing method for dry desulfurization and denitrification, which belong to the technical field of dry desulfurization and denitrification, and comprise a driving mechanism and an air circulation mechanism, wherein the driving mechanism drives the air circulation mechanism to rotate, the air circulation mechanism is arranged in the dry desulfurization and denitrification device and is communicated with a feed inlet on the side wall of a hearth, instantaneous shunting of organic calcium is realized through the air circulation mechanism, noise caused by instantaneous expansion of the organic calcium is reduced, the organic calcium enters the inner part of an outer cover shell along a feed joint and a conveying pipeline, the flow path of the organic calcium is increased, the speed of the organic calcium when the organic calcium initially enters the outer cover shell is reduced, and noise caused by the excessively high expansion speed of the organic calcium is avoided; through the linkage of pressure sensor and controller, driving motor's automation is opened in realizing, and the time difference when effectively avoiding manual operation can in time prevent the noise that organic calcium directly spouts the cause, realizes through mechanical structure that organic calcium spouts instantaneous reposition of redundant personnel, simple structure, and the cost is low, convenient to use.
Description
Technical Field
The invention relates to the technical field of dry desulfurization and denitrification, in particular to a silencing device and method for dry desulfurization and denitrification.
Background
The organic calcium desulfurization and denitration technology in the furnace is used as one of dry desulfurization and denitration, and the specific process is that organic oil generated by pyrolyzing garbage at high temperature reacts with calcium-based compounds to generate organic calcium, then the organic calcium is sprayed into the interior of a hearth to be combusted, and the organic calcium instantaneously expands, decomposes and combusts under the high-temperature condition, so that higher flue gas desulfurization and denitration efficiency is obtained.
Disclosure of Invention
The invention aims to provide a silencing device and a silencing method for dry desulfurization and denitrification, which can effectively silence, have simple structure and low manufacturing cost and are convenient to use, and solve the problems that the instantaneous speed of organic calcium sprayed by a spray gun in the background technology is high, the organic calcium is in contact with high temperature in a furnace and then instantaneously expands to cause large impact on a furnace wall and cause large-volume noise, and the continuous noise emission in the furnace seriously affects the health of working personnel along with the continuous spraying of the organic calcium.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a silencing device for dry process SOx/NOx control, includes actuating mechanism and ring wind mechanism, and actuating mechanism drives ring wind mechanism and rotates, and ring wind mechanism sets up in dry process SOx/NOx control device's inside and communicates with the feed inlet of furnace lateral wall.
Furthermore, the driving mechanism comprises an inner driving motor, a front limit ring sleeve, a connecting shaft, a shaft sleeve, a clamping disc, a rear limit ring sleeve and clamping grooves, the output end of the inner driving motor is fixedly connected with one end of the connecting shaft, the shaft sleeve is arranged at the middle section of the connecting shaft, the other end of the connecting shaft is fixed at the center of the back of the clamping disc, the rear limit ring sleeve is arranged at the joint of the clamping disc and the connecting shaft, the front limit ring sleeve is arranged at the center of the front of the clamping disc, a plurality of clamping grooves are annularly processed at the outer side of the front limit ring sleeve, and the clamping grooves are clamped with the air circulation mechanism.
Furthermore, the air circulation mechanism comprises a spray head connecting assembly, an outer cover shell and an air circulation assembly, the spray head connecting assembly is communicated with the organic calcium pipeline, the spray head connecting assembly is fixedly arranged on the outer cover shell, and the air circulation assembly is arranged inside the outer cover shell.
Furthermore, the spray head connecting assembly comprises an organic calcium spray gun connector, a feeding connector and a conveying pipeline, one end of the organic calcium spray gun connector is connected with the organic calcium spray gun, the other end of the organic calcium spray gun connector is connected with the feeding connector, and the feeding connector is fixed on the outer cover shell and is communicated with the outer cover shell through the conveying pipeline arranged at the top of the outer cover shell.
Further, the ring wind subassembly includes joint plate, card stake, ring tuber pipe, wind groove and interior tuber pipe, card stake with clamp the groove block, the card stake sets up on the back outer wall of joint plate, a plurality of ring tuber pipes of the positive outer wall annular distribution of joint plate, the inboard of ring tuber pipe is provided with interior tuber pipe, processes half section formula wind groove on the pipe wall of interior tuber pipe, the wind groove communicates with the inner space of dustcoat casing.
Furthermore, a controller is arranged on the inner driving motor and is connected with the pressure sensor through a lead.
Further, the pressure sensor is arranged on the organic calcium spray gun connector.
The invention provides another technical scheme, which comprises a silencing method of the silencing device for dry desulfurization and denitrification, and the silencing method comprises the following steps of:
s1: the inner driving motor is fixed outside the dry desulfurization and denitrification device through bolts, the connecting shaft penetrates through the shell of the dry desulfurization and denitrification device and extends into the hearth, the outer cover shell is fixedly connected with the inner wall of the hearth, and the clamping disc is positioned inside the furnace wall of the hearth;
s2: connecting an organic calcium spray gun with an organic calcium spray gun connector, and starting the organic calcium spray gun to enable organic calcium to enter the inner part of the outer cover shell along a feeding connector and a conveying pipeline;
s3: when the pressure sensor senses that the internal air pressure of the organic calcium spray gun connector is increased, an information transmission program is triggered, the pressure sensor sends a signal to the controller, the controller controls the internal driving motor to be started, the internal driving motor drives the connecting shaft to rotate, the rear limit ring sleeve transmits the rotating force to the clamping disc to drive the clamping disc to synchronously rotate, and the clamping disc drives the whole air circulation pipe to rotate while rotating due to the fact that the clamping pile is clamped with the clamping groove, and wind circulation along the rotating direction is formed inside the outer cover shell;
s4: under the action of the wind circulation of S3, organic calcium entering the shell of the outer cover is dispersed by the wind circulation, part of the organic calcium directly flows out from between the circular air duct and the shell of the outer cover along the wind circulation, and part of the organic calcium enters the inner part of the inner air duct from the air groove along the wind circulation and flows out;
s5: organic calcium and flue gas are combusted and reacted in the hearth, so that the desulfurization and denitrification of the flue gas are realized.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the silencing device and method for dry desulfurization and denitrification, provided by the invention, the path through which organic calcium is sprayed out of the spray gun is increased, the speed of the organic calcium entering the outer housing at the beginning is reduced, and the noise caused by the excessively high expansion speed of the organic calcium is reduced.
2. According to the silencing device and method for dry desulfurization and denitration, provided by the invention, the automatic opening of the inner driving motor is realized through the linkage of the pressure sensor and the controller, the time difference in manual operation is effectively avoided, the energy consumption problem caused by the idling of the inner driving motor is avoided, and the noise caused by direct injection of organic calcium can be prevented in time.
3. According to the silencer and the method for dry desulfurization and denitration, provided by the invention, the effective shunting of the organic calcium is realized through the rotation of the annular air pipe, the instantaneous explosive force of the organic calcium in the hearth is reduced, the booming sound of the organic calcium in the combustion process is reduced, the silencing in the flue gas desulfurization and denitration process is realized, the instantaneous shunting of the organic calcium is realized by using a mechanical structure, the structure is simple, the manufacturing cost is low, and the use is convenient.
Drawings
FIG. 1 is a schematic view of the overall structure of a noise reduction apparatus and method for dry desulfurization and denitrification according to the present invention;
FIG. 2 is a schematic diagram showing the overall structure of a noise reduction device and method for dry desulfurization and denitrification according to the present invention;
FIG. 3 is an exploded view of a driving mechanism of the silencer device and the method for dry desulfurization and denitrification according to the present invention;
FIG. 4 is a schematic structural diagram of an annular air mechanism of the silencing apparatus and method for dry desulfurization and denitrification provided by the invention;
FIG. 5 is a schematic structural diagram of a nozzle connecting assembly of the silencing apparatus and method for dry desulfurization and denitrification provided by the present invention;
FIG. 6 is a schematic structural view of an annular air assembly of the silencing apparatus and method for dry desulfurization and denitrification provided by the present invention;
FIG. 7 is a schematic front view of a back structure of an annular air component of the silencing apparatus and method for dry desulfurization and denitrification provided by the present invention;
fig. 8 is a front structural schematic view of an annular air component of the silencing device and method for dry desulfurization and denitrification provided by the invention.
In the figure: 1. a drive mechanism; 11. an internal drive motor; 111. a controller; 12. a front spacing ring sleeve; 13. a connecting shaft; 14. a shaft sleeve; 15. clamping a disc; 16. a rear spacing ring sleeve; 17. clamping grooves; 2. a circulating air mechanism; 21. a nozzle connecting assembly; 211. an organic calcium spray gun connector; 212. a feed connection; 213. a delivery conduit; 214. a pressure sensor; 22. an outer cover housing; 23. a circulating air assembly; 231. a clamping and connecting plate; 232. pile clamping; 233. an annular air pipe; 234. an air duct; 235. an inner air pipe.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a silencing device for dry desulfurization and denitration comprises a driving mechanism 1 and an air circulation mechanism 2, wherein the driving mechanism 1 drives the air circulation mechanism 2 to rotate, the air circulation mechanism 2 is arranged inside the dry desulfurization and denitration device and is communicated with a feed inlet on the side wall of a hearth, and the air circulation mechanism 2 is used for shunting organic calcium at the injection moment and reducing noise caused by instantaneous expansion of the organic calcium.
Referring to fig. 3, the driving mechanism 1 includes an inner driving motor 11, a front limiting ring 12, a connecting shaft 13, a shaft sleeve 14, a clamping disc 15, a rear limiting ring 16 and a clamping groove 17, the inner driving motor 11 is provided with a controller 111, the controller 111 is connected with a pressure sensor 214 through a wire, an output end of the inner driving motor 11 is fixedly connected with one end of the connecting shaft 13, the middle section of the connecting shaft 13 is provided with the shaft sleeve 14, the other end of the connecting shaft 13 is fixed at the center of the back of the clamping disc 15, the connecting part of the clamping disc 15 and the connecting shaft 13 is provided with the rear limiting ring 16, the front center of the clamping disc 15 is provided with the front limiting ring 12, the outer side of the front limiting ring 12 is annularly provided with a plurality of clamping grooves 17, the clamping grooves 17 are clamped with the annular air mechanism 2, the inner driving motor 11 is fixed outside the dry desulfurization and denitration device through bolts, the connecting shaft 13 penetrates through the outer shell of the dry desulfurization and goes deep into the furnace, the outer cover shell 22 is fixedly connected with the inner wall of the hearth, the clamping disc 15 is located inside the furnace wall of the hearth, the connecting shaft 13 is driven to rotate through the inner driving motor 11, the rear limiting ring sleeve 16 transmits rotating force to the clamping disc 15 to drive the clamping disc 15 to rotate synchronously, the clamping disc 15 drives the annular air pipe 233 to rotate integrally while the clamping pile 232 is clamped with the clamping groove 17, and wind power circulation along the rotating direction is formed inside the outer cover shell 22.
Referring to fig. 4, the circulating air mechanism 2 includes a nozzle connecting assembly 21, an outer cover shell 22 and a circulating air assembly 23, the nozzle connecting assembly 21 is communicated with the organic calcium pipeline, the nozzle connecting assembly 21 is fixedly disposed on the outer cover shell 22, and the circulating air assembly 23 is mounted inside the outer cover shell 22.
Referring to fig. 5, the spray head connection assembly 21 includes an organo-calcium spray gun connector 211, a feeding connector 212 and a conveying pipe 213, a pressure sensor 214 is installed on the organo-calcium spray gun connector 211, one end of the organo-calcium spray gun connector 211 is connected with an organo-calcium spray gun, the other end of the organo-calcium spray gun connector 211 is connected with the feeding connector 212, the feeding connector 212 is fixed on the housing 22 and is communicated with the housing 22 through the conveying pipe 213 arranged at the top, the organo-calcium spray gun is connected with the organo-calcium spray gun connector 211, the organo-calcium spray gun is opened to allow organo-calcium to enter the interior of the housing 22 along the feeding connector 212 and the conveying pipe 213, a path through which the organo-calcium is sprayed out of the spray gun is increased, a speed of the organo-calcium initially entering the housing 22 is reduced, and noise caused by an excessively fast expansion speed of the organo-calcium is reduced.
Referring to fig. 6-8, the circulation assembly 23 includes a fastening plate 231, a fastening pile 232, a circulation pipe 233, a plurality of circulation pipes 233 annularly distributed on the front outer wall of the fastening plate 231, the inner side of the circulation pipe 233 is provided with the inner pipe 235, a half-section type wind groove 234 is formed on the pipe wall of the inner pipe 235, the wind groove 234 is communicated with the inner space of the outer cover shell 22, under the action of the wind circulation, the organic calcium entering the outer cover shell 22 is dispersed by the wind circulation, a part of the organic calcium directly flows out from between the circulation pipe 233 and the outer cover shell 22 along the wind circulation, the flowing radius of the part of the organic calcium is larger, a part of the organic calcium enters the inner pipe 235 from the wind groove 234 along the wind circulation, the flowing radius of the part of the organic calcium is smaller, and the effective diversion of the organic calcium is realized by the rotation of the circulation pipes 233, the instantaneous explosive force of the organic calcium in the hearth is reduced, the roaring sound of the organic calcium in the combustion process is reduced, and the silencing in the flue gas desulfurization and denitration process is realized.
In order to better show the silencing process of the silencing device for dry desulfurization and denitrification, the embodiment now provides a silencing method of the silencing device for dry desulfurization and denitrification, which includes the following steps:
the method comprises the following steps: the inner driving motor 11 is fixed outside the dry desulfurization and denitrification device through bolts, the connecting shaft 13 penetrates through the shell of the dry desulfurization and denitrification device and extends into the hearth, the outer cover shell 22 is fixedly connected with the inner wall of the hearth, and the clamping disc 15 is positioned inside the furnace wall of the hearth;
step two: the organic calcium spray gun is connected with the organic calcium spray gun connector 211, the organic calcium spray gun is started to enable the organic calcium to enter the inner part of the outer cover shell 22 along the feeding connector 212 and the conveying pipeline 213, the path of the organic calcium sprayed out of the spray gun is increased, the speed of the organic calcium entering the outer cover shell 22 at the beginning is reduced, and the noise caused by the over-high expansion speed of the organic calcium is reduced;
step three: when the pressure sensor 214 senses that the internal air pressure of the organic calcium spray gun connector 211 is increased, an information transmission program is triggered, the pressure sensor 214 sends a signal to the controller 111, the controller 111 controls the internal driving motor 11 to be started, the internal driving motor 11 is automatically started through linkage of the pressure sensor 214 and the controller 111, time difference during manual operation is effectively avoided, the energy consumption problem caused by idling of the internal driving motor 11 is avoided, noise caused by direct injection of organic calcium can be timely prevented, the connecting shaft 13 is driven to rotate through the internal driving motor 11, the rear limit ring sleeve 16 transmits a rotating force to the clamping disc 15 to drive the clamping disc 15 to synchronously rotate, and due to the fact that the clamping pile 232 is clamped with the clamping groove 17, the clamping disc 15 also drives the whole rotation of the annular air pipe 233 while rotating, and a wind power circulation along the rotation direction is formed inside the outer cover shell 22;
step four: under the action of the wind circulation described in the third step, the organic calcium entering the outer casing 22 is dispersed by the wind circulation, part of the organic calcium directly flows out from between the annular air pipe 233 and the outer casing 22 along the wind circulation, the flowing radius of the part of the organic calcium is larger, part of the organic calcium enters the inner air pipe 235 from the air duct 234 along the wind circulation, the flowing radius of the part of the organic calcium is smaller, the effective diversion of the organic calcium is realized through the rotation of the annular air pipe 233, the instantaneous explosive force of the organic calcium in the hearth is reduced, the sound emitted by the organic calcium in the combustion process is reduced, the sound attenuation in the flue gas desulfurization and denitration process is realized, the diversion of the organic calcium at the moment of injection is realized through a mechanical structure, the structure is simple, the manufacturing cost is low, and the use is convenient;
step five: organic calcium and flue gas are combusted and reacted in the hearth, so that the desulfurization and denitrification of the flue gas are realized.
The working principle is as follows: the organic calcium spray gun is connected with the organic calcium spray gun connector 211, the organic calcium spray gun is started to enable the organic calcium to enter the interior of the outer cover shell 22 along the feeding connector 212 and the conveying pipeline 213, the path of the organic calcium sprayed out of the spray gun is increased, the speed of the organic calcium entering the outer cover shell 22 at the beginning is reduced, the automatic opening of the inner driving motor 11 is realized through the linkage of the pressure sensor 214 and the controller 111, the inner driving motor 11 drives the connecting shaft 13 to rotate, the rear limit ring sleeve 16 transmits the rotating force to the clamping disc 15 to drive the clamping disc 15 to rotate synchronously, the clamping disc 15 drives the whole rotation of the annular air pipe simultaneously due to the clamping of the clamping pile 232 and the clamping groove 17, the wind power circulation 233 along the rotating direction is formed in the interior of the outer cover shell 22, the organic calcium entering the outer cover shell 22 is dispersed by the wind power circulation under the action of the wind power circulation, and part of the organic calcium directly flows out from the space between the annular air pipe 233 and the outer cover shell 22 along the wind power circulation, the flowing radius of the organic calcium is large, the organic calcium flows out from the air groove 234 into the inner air pipe 235 along the wind power circulation, the flowing radius of the organic calcium is small, the organic calcium is effectively shunted through the rotation of the annular air pipe 233, the instantaneous explosive force of the organic calcium in the hearth is reduced, the sound of the organic calcium in the combustion process is reduced, and the noise reduction in the flue gas desulfurization and denitrification process is realized.
In summary, the following steps: according to the silencing device and method for dry desulfurization and denitrification, organic calcium enters the inner part of the outer cover shell 22 along the feeding joint 212 and the conveying pipeline 213, the speed of the organic calcium entering the outer cover shell 22 at the beginning is reduced by increasing the path of the organic calcium sprayed out from a spray gun, and the noise caused by the excessively high expansion speed of the organic calcium is reduced; through the linkage of the pressure sensor 214 and the controller 111, the automatic opening of the inner driving motor 11 is realized, the time difference during manual operation is effectively avoided, the energy consumption problem caused by the idle running of the inner driving motor 11 is avoided, the noise caused by direct injection of organic calcium can be prevented in time, the inner driving motor 11 drives the connecting shaft 13 to rotate, the whole rotation of the annular air pipe 233 is realized through the clamping disc 15, wind power circulation is formed in the housing case 22 in the rotational direction, the organic calcium entering the housing case 22 is dispersed by the wind power circulation, the rotation of the circular air pipe 233 realizes the effective diversion of the organic calcium, reduces the instantaneous explosive force of the organic calcium in the hearth, reduces the roaring sound of the organic calcium in the combustion process, realizes the noise reduction in the flue gas desulfurization and denitrification processes, the device realizes the shunting of the organic calcium at the moment of spraying through a mechanical structure, and has simple structure, low manufacturing cost and convenient use.
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 able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (4)
1. The utility model provides a silencing device for dry process SOx/NOx control which characterized in that: the dry desulfurization and denitration device comprises a driving mechanism (1) and a circular air mechanism (2), wherein the driving mechanism (1) drives the circular air mechanism (2) to rotate, the circular air mechanism (2) is arranged in the dry desulfurization and denitration device and is communicated with a feed inlet of the side wall of a hearth, the driving mechanism (1) comprises an inner driving motor (11), a front limiting ring sleeve (12), a connecting shaft (13), a shaft sleeve (14), a clamping disc (15), a rear limiting ring sleeve (16) and clamping grooves (17), the output end of the inner driving motor (11) is fixedly connected with one end of the connecting shaft (13), the shaft sleeve (14) is arranged at the middle section of the connecting shaft (13), the other end of the connecting shaft (13) is fixed at the center of the back of the clamping disc (15), the rear limiting ring sleeve (16) is arranged at the connection part of the clamping disc (15) and the connecting shaft (13), the front limiting ring sleeve (12) is arranged at the center of the front of the clamping disc (15), and a plurality of clamping grooves (17) are annularly processed at the outer side of the front limiting ring sleeve (12), clamp groove (17) and ring wind mechanism (2) joint, ring wind mechanism (2) are including shower nozzle coupling assembling (21), outer cover casing (22) and ring wind subassembly (23), shower nozzle coupling assembling (21) and organic calcium pipeline intercommunication, and shower nozzle coupling assembling (21) are fixed to be set up on outer cover casing (22), and the internally mounted of outer cover casing (22) encircles wind subassembly (23), shower nozzle coupling assembling (21) are including organic calcium spray gun joint (211), feed connector (212) and pipeline (213), and the one end that organic calcium spray gun connects (211) meets with the organic calcium spray gun, and the other end that organic calcium spray gun connects (211) meets with feed connector (212), and feed connector (212) are fixed on outer cover casing (22) and pipeline (213) and outer cover casing (22) intercommunication that set up through the top, ring wind subassembly (23) are including joint board (231), Card stake (232), ring air hose (233), wind groove (234) and interior tuber pipe (235), card stake (232) with clamp groove (17) block, card stake (232) set up on the back outer wall of joint plate (231), a plurality of ring air hoses (233) of the front outer wall annular distribution of joint plate (231), the inboard of ring air hose (233) is provided with interior tuber pipe (235), processing half section formula wind groove (234) on the pipe wall of interior tuber pipe (235), wind groove (234) and the inner space intercommunication of dustcoat casing (22).
2. The silencer for dry desulfurization and denitrification according to claim 1, wherein the inner driving motor (11) is provided with a controller (111), and the controller (111) is connected with the pressure sensor (214) through a lead.
3. The silencer assembly for dry desulfurization and denitration according to claim 2, wherein the pressure sensor (214) is installed on the organo-calcium lance joint (211).
4. The silencing method of the silencing apparatus for dry desulfurization and denitrification according to any one of claims 1 to 3, comprising the steps of:
s1: an inner driving motor (11) is fixed outside the dry desulfurization and denitrification device through bolts, a connecting shaft (13) penetrates through a shell of the dry desulfurization and denitrification device and extends into the hearth, an outer cover shell (22) is fixedly connected with the inner wall of the hearth, and a clamping disc (15) is positioned inside the furnace wall of the hearth;
s2: connecting the organic calcium spray gun with an organic calcium spray gun connector (211), and opening the organic calcium spray gun to enable the organic calcium to enter the interior of the outer cover shell (22) along a feeding connector (212) and a conveying pipeline (213);
s3: when a pressure sensor (214) senses that the internal air pressure of an organic calcium spray gun connector (211) is increased, an information transmission program is triggered, the pressure sensor (214) sends a signal to a controller (111), the controller (111) controls an internal driving motor (11) to be started, a connecting shaft (13) is driven to rotate through the internal driving motor (11), a rear limit ring sleeve (16) transmits a rotating force to a clamping disc (15) to drive the clamping disc (15) to rotate synchronously, and due to the fact that a clamping pile (232) is clamped with a clamping groove (17), the clamping disc (15) also drives the whole of an annular pipe (233) to rotate while rotating, and wind power circulation along the rotating direction is formed inside a housing shell (22);
s4: under the action of the wind circulation of S3, organic calcium entering the outer cover shell (22) is dispersed by the wind circulation, part of the organic calcium directly flows out from between the circular air pipe (233) and the outer cover shell (22) along the wind circulation, and part of the organic calcium enters the inner air pipe (235) from the air groove (234) along the wind circulation and flows out;
s5: organic calcium and flue gas are combusted and reacted in the hearth, so that the desulfurization and denitrification of the flue gas are realized.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010337251.4A CN111495162B (en) | 2020-04-26 | 2020-04-26 | Silencing device and method for dry desulfurization and denitrification |
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| CN202010337251.4A CN111495162B (en) | 2020-04-26 | 2020-04-26 | Silencing device and method for dry desulfurization and denitrification |
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| CN111495162B true CN111495162B (en) | 2021-12-21 |
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Denomination of invention: A silencing device and method for dry desulfurization and denitration Effective date of registration: 20220714 Granted publication date: 20211221 Pledgee: Agricultural Bank of China Limited Hanshan County sub branch Pledgor: ANHUI SHUNDA ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Registration number: Y2022980010437 |
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