CN113477079B - Boiler coal-fired flue gas desulfurization denitration equipment - Google Patents
Boiler coal-fired flue gas desulfurization denitration equipment Download PDFInfo
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- CN113477079B CN113477079B CN202110852366.1A CN202110852366A CN113477079B CN 113477079 B CN113477079 B CN 113477079B CN 202110852366 A CN202110852366 A CN 202110852366A CN 113477079 B CN113477079 B CN 113477079B
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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
- B01D53/8628—Processes characterised by a specific catalyst
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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
- B01D53/8603—Removing 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model relates to a boiler coal-fired flue gas desulfurization and denitrification device, which comprises a tower body, wherein a smoke inlet pipe communicated with the tower body is arranged on the outer side wall of the tower body, a placement component is arranged on the inner side wall of the tower body, and the placement component comprises a placement frame body and two blocking screen plates; the placing frame body is arranged on the inner side wall of the tower body, the two blocking screen plates are arranged on the placing frame body, and a space for placing the catalyst is formed between the placing frame body and the two blocking screen plates; the screen plate is blocked, the stirring assembly is arranged on the screen plate and comprises a plurality of stirring wires and a driving piece for driving the stirring wires to rotate, and the stirring wires are rotationally connected to the screen plate and located in the placement frame body. The catalyst has the effect of improving the reaction completion degree of the catalyst and the flue gas.
Description
Technical Field
The application relates to the field of waste gas treatment, in particular to boiler coal-fired flue gas desulfurization and denitrification equipment.
Background
During the process of burning coal, a great amount of nitrate and sulfur are generated in the flue gas, the flue gas is required to be subjected to dust removal, desulfurization and denitration treatment, and the treated flue gas can meet the national standard of external emission.
The utility model patent of China, with the publication number of CN210171226U, discloses a catalyst replacement device for a flue gas desulfurization and denitrification system, which comprises a processing cavity, wherein an opening is formed in one side of the processing cavity, a sealing door for sealing the opening is arranged on the opening, a catalyst frame positioning plate is arranged on the inner side of the sealing door, the catalyst frame positioning plate is inserted into a positioning plate guide groove connected with the processing cavity, a through hole allowing a catalyst frame to pass through is formed in the center of the catalyst frame positioning plate, a circle of positioning groove is formed in the periphery of the through hole, the catalyst frame penetrates through the through hole and is positioned and supported on the positioning groove of the catalyst frame positioning plate through a supporting plate on the periphery of the catalyst frame, a discharging opening is formed in a bottom plate of the catalyst frame, a material blocking screen is arranged on the discharging opening, and the material blocking screen is inserted into a screen connecting groove formed in one side of the bottom plate. The application can realize the effect of quick replacement of the catalyst.
With respect to the related art in the above, the inventors consider that there are the following drawbacks: when the catalyst is used, the catalyst is placed in the catalyst frame, the catalyst at the lower end reacts with the flue gas most severely, and the catalyst at the upper end reacts with the flue gas more slowly, so that the catalyst cannot react with the flue gas completely.
Disclosure of Invention
In order to improve the complete degree of the reaction between the catalyst and the flue gas, the application provides boiler coal-fired flue gas desulfurization and denitration equipment.
The application provides a boiler coal-fired flue gas desulfurization denitration equipment adopts following technical scheme:
the boiler coal-fired flue gas desulfurization and denitrification equipment comprises a tower body, wherein a smoke inlet pipe communicated with the tower body is arranged on the outer side wall of the tower body, a placement component is arranged on the inner side wall of the tower body, and the placement component comprises a placement frame body and two blocking screen plates; the placing frame body is arranged on the inner side wall of the tower body, the two blocking screen plates are arranged on the placing frame body, and a space for placing the catalyst is formed between the placing frame body and the two blocking screen plates; the screen plate is blocked, the stirring assembly is arranged on the screen plate and comprises a plurality of stirring wires and a driving piece for driving the stirring wires to rotate, and the stirring wires are rotationally connected to the screen plate and located in the placement frame body.
Through adopting above-mentioned technical scheme, the catalyst is placed between two and stops the otter board during the use, and the driving piece drives a plurality of stirring silk rotations during the use, and a plurality of stirring silk stir the catalyst between two and stop the otter board for flue gas and the more complete reaction of catalyst, the rate of utilization of catalyst further improves.
Optionally, the method is characterized in that: the driving piece comprises fan blades and a rotating shaft, and the rotating shaft is rotationally connected to the blocking screen plate; the fan blade is located below the placement frame body and is arranged on the rotating shaft.
Through adopting above-mentioned technical scheme, the flue gas that produces in the tower body rises and drives the flabellum and rotate during the use, and the flabellum drives the axis of rotation and rotates, and the axis of rotation further drives a plurality of silk rotations of stirring, realizes stirring the catalyst, realizes the slowing down to flue gas velocity on the one hand, increases the contact time of catalyst and flue gas, and on the other hand drives a plurality of rotations of stirring the silk.
Optionally, two placing frames are arranged, the two placing frames are distributed along the horizontal direction and are horizontally arranged, one placing frame is arranged on the other placing frame, and the two placing frames are connected in the tower body in a sliding manner along the distribution direction of the two placing frames; the tower body is characterized in that two closed boxes distributed along the sliding direction of the placing frame body are arranged on the outer side wall of the tower body, sliding through holes for the placing frame body to slide into the closed boxes are formed in the outer side wall of the tower body, and a driving assembly for driving the placing frame body to move is arranged in the tower body.
Through adopting above-mentioned technical scheme, when need to change the catalyst of placing in the framework again, drive the subassembly and drive the framework of placing that is located in the tower and move into the closed box, slide the framework of placing that is located in the closed box into the tower simultaneously, realize changing the catalyst under the condition of not shutting down.
Optionally, place the framework up end and be used for contradicting with the interior roof of sliding the through-hole, it is connected with the separation door to rotate on the interior diapire of sliding the through-hole, the separation door up end is used for contradicting with placing the framework lower extreme face, be provided with the drive assembly who is used for opening or close the separation door in the tower body, be provided with on the closed box and be used for the play tobacco pipe that is linked together with the closed box.
By adopting the technical scheme, when the sliding through hole is used, the upper end face of the placing frame body is abutted against the inner top wall of the sliding through hole, and the blocking door seals and blocks the space between the placing frame body and the inner bottom wall of the sliding through hole; when the two placing frames need to be replaced, the driving assembly drives the blocking door to rotate, so that the space between the placing frames and the inner bottom wall of the sliding through hole is opened or closed; the occurrence of the condition that the flue gas enters the closed box through the sliding through hole is reduced.
Optionally, the driving assembly comprises a driving rack, an incomplete gear ring and a torsion spring for maintaining the vertical state of the blocking door; the driving rack is arranged on the placement frame body; the incomplete gear ring is arranged at one end of the blocking door, which is close to the driving rack, and is used for being meshed with the driving rack, and the incomplete gear ring is used for being in contact with the placing frame body.
By adopting the technical scheme, when the catalyst in the placing frame body needs to be replaced, the driving assembly drives the two placing frame bodies to slide in the tower body, the placing frame bodies drive the incomplete gear ring and the blocking door to rotate through the driving racks, the blocking door is opened when the placing frame bodies move out of the closed box or the tower body, and when the placing frame bodies completely enter the closed box or the tower body, the driving racks are separated from the incomplete gear ring, and the blocking door is restored to the vertical state under the action of the torsion springs; on one hand, the incomplete gear ring drives the blocking door to rotate, and on the other hand, the incomplete gear is in conflict with the placing frame body through the engagement of the incomplete gear ring and the driving rack, so that the sealing performance of the blocking door to the sliding through hole is improved; the opening or closing of the barrier door is realized while the placing frame body is driven to completely enter the closed box or the tower body; the guiding of the flue gas is realized, and the situation that the flue gas does not enter the tower body or the closed box through the catalyst and is discharged through the smoke outlet pipe is reduced; the treatment effect on flue gas when changing the catalyst is improved, and the catalyst is better changed under the condition of no shutdown.
Optionally, the blocking door comprises a rotary door body, a collision door body and a collision spring for keeping the collision door body and the blocking screen plate in a collision tight manner; the rotary door body is rotatably connected to the inner bottom wall of the sliding through hole, and a sliding groove is formed in one end, close to the placement frame body, of the rotary door body; the abutting door body is connected in the sliding groove in a sliding manner.
When the separation door rotates, a gap exists between the separation door and the bottom wall of the placement frame body, and flue gas does not pass through the catalyst and enters the closed box through the gap.
By adopting the technical scheme, when the blocking door rotates, the abutting spring always maintains the abutting state of the abutting door and the placing frame body, so that the occurrence of the condition that smoke passes through a gap between the blocking door and the bottom wall of the placing frame body and does not enter the closed box through a catalyst is reduced; the abutting spring enables a certain acting force to be arranged between the abutting door body and the placing frame body, when the placing frame body moves, the placing frame body drives the abutting door body to rotate due to the fact that the speed difference exists between the placing frame body and the abutting door body in the horizontal direction, and damage to the driving rack or the incomplete gear ring is reduced.
Optionally, one ends of the two placing frames far away from each other are provided with discharging pipes communicated with the placing frames, sealing plugs with elasticity are arranged in the discharging pipes in a penetrating way, and the sealing plugs are used for propping against the inner side walls of the discharging pipes; an operation through hole is formed in one end, far away from the tower body, of the closed box, a sealing door is rotationally connected to the bottom wall of the operation through hole, a mounting through hole is formed in the sealing door, and a collecting bag and a locking assembly used for locking the sealing door on the closed box are arranged on the sealing door; the collecting bag is arranged on the hole wall of the mounting through hole and is used for being sleeved on the discharging pipe; and a driving piece for driving the rotating shaft to rotate is arranged in the closed box.
Through adopting above-mentioned technical scheme, during the use, pull out the sealing plug from the discharging pipe, close sealing door, and lock sealing door on the closed box through locking component, the drive piece drives the axis of rotation that is located the closed box and rotates, make the flabellum rotate, the wind that the flabellum blown out is vertical upwards, the wind that the flabellum blown out drives two catalysts that block between the otter board and blows, a plurality of stirring the silk and drive two catalysts that block between the otter board stir out from the discharging pipe, and fall into in collecting bag and collect, realize discharging the catalyst from two between blocking the otter board.
Optionally, the driving piece comprises a driving motor, a transmission gear and a driving gear; the driving motor is arranged on the inner top wall of the closed box; the driving gear is arranged on an output shaft of the driving motor; the transmission gears are arranged at the upper end of the rotating shaft and are positioned above the placement frame body, the transmission gears are used for being meshed with the driving gears, and the two transmission gears are positioned between the two driving gears.
Through adopting above-mentioned technical scheme, when placing the framework and sliding into the closed case, drive gear meshes with the drive gear on the drive motor, drives motor drive and drives the gear rotation to drive a plurality of driving lever silk rotations through drive gear, simple structure makes things convenient for operating personnel's operation.
Optionally, the blocking net plate above the two blocking net plates is provided with a feeding through hole, and the blocking net plate is rotationally connected with a rotating net plate for covering the feeding through hole.
By adopting the technical scheme, when the catalyst between the two blocking net plates needs to be replaced, an operator opens the blocking net plates to drive the motor to drive the gear and the poking wires to rotate, and the fan blows air vertically downwards; and then an operator puts the catalyst between the two blocking net plates, the plurality of poking wires drive the catalyst put between the two blocking net plates to be uniformly distributed, the wind of the fan drives the catalyst to be distributed along the direction close to the fan, and the situation that the catalyst flies out from the feeding through holes is reduced.
Optionally, the upper end face of the rotary screen plate is provided with a sealing gasket, and the sealing gasket is used for propping up tightly with the inner top wall of the sliding through hole.
Through adopting above-mentioned technical scheme, when will be located the box place the framework and slide into the tower body, the sealed pad on the rotation otter board offsets tightly with the interior roof of the through-hole that slides, has improved the leakproofness between the interior roof of rotation otter board and the through-hole that slides when realizing locking the rotation otter board.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the flue gas is used as power through the stirring component, so that on one hand, the flow velocity of the flue gas is slowed down, the reaction time of the flue gas and the catalyst is increased, and on the other hand, the catalyst placed in the frame body is stirred, and the utilization rate of the catalyst and the reaction efficiency are improved;
2. the catalyst in the placing frame body is replaced under the condition of no shutdown through the sealing box, the driving assembly and the blocking door;
3. the opening or closing of the blocking door is realized while the placing frame body is replaced through the driving assembly.
Drawings
Fig. 1 is a cross-sectional view of a specific embodiment of the present application.
Fig. 2 is a schematic view of the placement assembly and the barrier door of fig. 1.
Fig. 3 is a schematic view of the structure of the tower of fig. 2.
Fig. 4 is a schematic view of the structure of fig. 2 after the tower is hidden.
Fig. 5 is a cross-sectional view of A-A of fig. 2, showing the structure of the elastic block, the through-hole, and the gasket.
Fig. 6 is a schematic view of the blocker door and incomplete gear ring of fig. 4.
Fig. 7 is an enlarged view at B in fig. 5 for showing a connection structure between the collection bag and the placement frame.
Fig. 8 is an enlarged view of fig. 5C, showing the elastic block and the through hole.
Reference numerals: 1. a tower body; 11. a smoke inlet pipe; 12. a closed box; 121. an operation through hole; 122. sealing the door; 123. mounting through holes; 124. locking the tube; 125. an elastic ring; 126. a collection bag; 13. a smoke outlet pipe; 14. a sliding through hole; 15. a through groove is arranged; 16. penetrating through holes; 2. placing the assembly; 21. placing a frame body; 22. a barrier screen; 23. a discharge pipe; 24. a sealing plug; 25. an elastic block; 26. a feeding through hole; 27. rotating the screen plate; 28. a sealing gasket; 29. guiding chamfering; 3. driving the assembly; 31. driving a cylinder; 32. a vertical plate; 4. the assembly is stirred; 41. toggling the wire; 42. a driving member; 421. a fan blade; 422. a rotating shaft; 5. a barrier door; 51. rotating the door body; 52. a door body is abutted against; 53. a spring is abutted tightly; 54. a slip groove; 6. a drive assembly; 61. a driving rack; 611. driving a rack; 612. a connecting rod; 62. an incomplete gear ring; 63. a torsion spring; 64. a mounting groove; 7. a driver; 71. driving a motor; 72. a transmission gear; 73. driving the gear.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-8.
The embodiment of the application discloses boiler coal-fired flue gas desulfurization and denitration equipment. Referring to fig. 1 and 2, a boiler coal-fired flue gas desulfurization denitration equipment includes tower body 1, fixedly connected with on the lateral wall of tower body 1 is used for the tobacco pipe 11 that advances that is linked together in with tower body 1, slides along the horizontal direction in the tower body 1 has two to be used for placing subassembly 2 that store the catalyst, all is provided with on two placing subassembly 2 and is used for stirring subassembly 4 that stir the catalyst.
When in use, the stirring component 4 stirs the catalyst in the placement component 2, so that the catalyst reaction is more sufficient.
Referring to fig. 2 and 3, two closed boxes 12 are fixedly connected to the outer side wall of the tower body 1, the two closed boxes 12 are respectively positioned at two sides of the tower body 1, and the two closed boxes 12 are distributed along the sliding direction of the placement component 2; the upper end surface of the closed box 12 is fixedly connected with a smoke outlet pipe 13 communicated with the closed box 12; the outer side wall of the tower body 1 is provided with two sliding through holes 14 for the placing frame body 21 to slide into the closed box 12.
Referring to fig. 3 and 4, two placement modules 2 are connected to each other, and the placement modules 2 include a placement frame 21 and two barrier webs 22; the two blocking net plates 22 are respectively and fixedly connected to two openings of the placement frame body 21, a space for storing the catalyst is formed between the placement frame body 21 and the two blocking net plates 22, the two placement frame bodies 21 are distributed along the horizontal direction, and the two placement frame bodies 21 are mutually and fixedly connected together; the driving assembly 3 comprises two driving cylinders 31 and two vertical plates 32; the length direction of the driving air cylinder 31 is parallel to the distribution direction of the two closed boxes 12, two penetrating grooves 15 extending along the vertical direction are formed in two inner side walls of the tower body 1, which are close to the closed boxes 12, the cylinder body of the driving air cylinder 31 is fixedly connected to the inner side wall of one closed box 12, and one end of a piston rod of the driving air cylinder 31 penetrates into the penetrating grooves 15; the two vertical plates 32 are in one-to-one correspondence with the two driving air cylinders 31, the vertical plates 32 are fixedly connected to one ends of the driving air cylinders 31 penetrating into the penetrating grooves 15, and the vertical plates 32 are connected in a sliding mode in the penetrating grooves 15.
Referring to fig. 2 and 4, the placement frame 21 is horizontally disposed, the upper end surface of the placement frame 21 is fixedly connected to the lower end surface of the vertical plate 32, the placement frame 21 is located below the driving cylinder 31, and the blocking screen 22 on the upper end surface of the placement frame 21 is used for abutting against the inner top wall of the sliding through hole 14.
When the catalyst needs to be replaced, the cylinder 31 is driven to drive the placing frame 21 in the tower body 1 to slide into the closed box 12 through the sliding through hole 14, and meanwhile, the cylinder 31 is driven to drive the other placing frame 21 to slide into the tower body 1, so that the catalyst is replaced, and the replacement of the catalyst is realized in the process of no shutdown.
Referring to fig. 2 and 5, a stirring assembly 4 is arranged on the blocking screen 22, the stirring assembly 4 comprises two stirring wires 41 and a driving piece 42 for driving the stirring wires 41 to rotate, and the driving piece 42 comprises fan blades 421 and a rotating shaft 422; the rotating shaft 422 is vertically arranged, the rotating shaft 422 is rotatably connected to the barrier screen 22, and the lower end of the rotating shaft 422 penetrates out of the barrier screen 22; the fan blades 421 are horizontally arranged, and the fan blades 421 are coaxially and fixedly connected to the lower end surface of the rotating shaft 422; the two poking wires 41 are both positioned between the two blocking net plates 22, the two poking wires 41 are both horizontally arranged, the poking wires 41 are fixedly connected to the rotating shaft 422, and the two poking wires 41 are uniformly distributed along the axial direction of the rotating shaft 422.
When the catalyst stirring device is used, smoke in the tower body 1 drives the fan blades 421 to rotate, on one hand, the fan blades 421 drive the two stirring wires 41 to stir the catalyst through the rotating shaft 422, so that the utilization degree of the catalyst is improved; on the other hand, the flow rate of the flue gas is slowed down, the reaction time of the flue gas and the catalyst is increased, and the utilization degree of the catalyst is further improved.
Referring to fig. 3 and 4, a blocking door 5 is rotatably connected to the inner bottom wall of the sliding through hole 14, a driving assembly 6 for opening or closing the blocking door 5 is provided between the blocking door 5 and the placement frame 21, and the driving assembly 6 includes two driving racks 61, an incomplete gear ring 62, and two torsion springs 63; the barrier door 5 is vertically arranged, and mounting grooves 64 are formed in two side walls of the sliding through hole 14.
Referring to fig. 4 and 6, the barrier door 5 includes a rotary door body 51, an abutting door body 52, and three abutting springs 53 for maintaining the abutting door body 52 against the barrier screen 22.
Referring to fig. 3 and 4, the rotary door body 51 is rotatably connected to the bottom of the installation groove 64, two torsion springs 63 are in one-to-one correspondence with the two installation grooves 64, the torsion springs 63 are located in the installation groove 64, one end of each torsion spring 63 is fixedly connected to the bottom of the installation groove 64, and the other end of each torsion spring 63 is fixedly connected to the rotary door body 51.
Referring to fig. 4 and 6, a sliding groove 54 is formed in the upper end surface of the rotary door body 51; the abutting door body 52 is slidably connected in the sliding groove 54, and the upper end surface of the abutting door body 52 abuts against the blocking screen 22; the abutting springs 53 are located between the bottom of the sliding groove 54 and the abutting door body 52, the lower ends of the three abutting springs 53 are fixedly connected to the bottom of the sliding groove 54, and the upper ends of the three abutting springs 53 are fixedly connected to the abutting door body 52.
Referring to fig. 4 and 6, two driving racks 61 are distributed along the width direction of the placement frame 21, and the driving racks 61 include two driving racks 611 and a connecting rod 612; the length direction of the two driving racks 611 is parallel to the length direction of the placing frame body 21, the two driving racks 611 are positioned below the placing frame body 21, the two driving racks 611 are distributed along the length direction of the placing frame body 21, and the driving racks 61 are fixedly connected to the lower end surface of the blocking screen 22; the connecting rod 612 is positioned between the two driving racks 611 and below the placement frame 21, and the connecting rod 612 is fixedly connected to the lower end surface of the blocking screen 22; the incomplete gear ring 62 is fixedly connected with one end of the rotary door body 51, which is close to the placing frame body 21, two incomplete gear rings 62 are respectively located at two sides of the abutting door body 52, the two incomplete gear rings 62 are abutted against the abutting door body 52, the incomplete gear ring 62 is meshed with the driving rack 61, and the incomplete gear ring 62 is used for abutting against the connecting rod 612.
When the device is used, the driving cylinder 31 drives the two placing frames 21 to move, when the catalyst is replaced, the driving racks 611 on the placing frames 21 are meshed with the incomplete gear ring 62, the blocking door 5 is driven to be opened, the fan blades 421 and the rotating shaft 422 pass through the sliding through holes 14, then the incomplete gear ring 62 is separated from the driving racks 611, and then the incomplete gear ring 62 is abutted against the connecting rods 612, the blocking door 5 is driven to restore to a vertical state under the action of the torsion springs 63, and the closing and sealing of the sliding through holes 14 are realized; the abutting spring 53 drives the abutting door body 52 to abut against the lower end face of the blocking screen 22 in the process of rotating the blocking door 5, so that the occurrence of the condition that smoke enters the closed box 12 in use is reduced.
Referring to fig. 5 and 7, a discharge pipe 23 for communicating with the inside of the placement frame 21 is provided at one end surface of the two placement frames 21 away from each other, an elastic sealing plug 24 is provided in the discharge pipe 23 in a penetrating manner, and the outer side wall of the sealing plug 24 abuts against the inner side wall of the discharge pipe 23.
Referring to fig. 5 and 7, an operation through hole 121 is formed at one end of the closed box 12 far away from the tower body 1, a sealing door 122 is rotatably connected to the bottom wall of the operation through hole 121, a mounting through hole 123 coaxially arranged with the discharging pipe 23 is formed in the sealing door 122, a locking pipe 124 is fixedly connected to one end of the sealing door 122 close to the operation through hole 121, an elastic ring 125 is fixedly connected to the inner side wall of the locking pipe 124, a collecting bag 126 is arranged in the locking pipe 124, an opening of the collecting bag 126 penetrates through the elastic ring 125, the elastic ring 125 is sleeved on the discharging pipe 23, and the collecting bag 126 is sleeved on the discharging pipe 23; the sealing door 122 is provided with a first locking assembly, the first locking assembly comprises a magnet, the magnet is fixedly connected to the sealing door 122, and the magnet is adsorbed in the closed box 12.
Referring to fig. 5 and 7, a driving member 7 for driving the fan blade 421 to rotate is disposed in each of the two closed boxes 12, and the driving member 7 includes a driving motor 71, a driving gear 72 and a driving gear 73; the upper end of the rotating shaft 422 penetrates out of the blocking screen 22, and the transmission gear 72 is coaxially and fixedly connected to the upper end surface of the rotating shaft 422; the driving motor 71 is vertically arranged, and the driving motor 71 is fixedly connected to the inner wall of the closed box 12; the driving gear 73 is coaxially and fixedly connected to the output shaft of the driving motor 71, the driving gear 73 is located above the bottom of the driving gear 72, the driving gear 73 is used for being meshed with the driving gear 72, and the two driving gears 72 are located between the two driving gears 73.
When the device is used, when the driving cylinder 31 drives the placing frame 21 to move into the closed box 12, the driving gear 73 is meshed with the transmission gear 72, the driving motor 71 drives the driving gear 73 to rotate, so that the fan blades 421 and the two stirring wires 41 are driven to rotate, the two stirring wires 41 stir the catalyst between the two blocking net plates 22 to the discharging pipe 23 for discharging, the wind of the fan blades 421 is vertical upwards, the fan blades 421 drive the catalyst to disturb between the two blocking net plates 22, and the catalyst between the two blocking net plates 22 is sent into the collecting bag 126; the operator then opens the sealing door 122 and then removes the collection bag 126 from the sealing door 122.
Referring to fig. 5 and 8, two through holes 16 through which the transmission gear 72 passes are formed in the inner side wall of the tower body 1, the two through holes 16 are distributed along the length direction of the placement frame body 21, the upper end surface of the blocking screen 22 is fixedly connected with an elastic block 25, the elastic block 25 is located above the placement frame body 21, the elastic block 25 is used for penetrating into the through holes 16, and the elastic block 25 is used for sealing the through holes 16.
Referring to fig. 5 and 7, the blocking screen 22 has a feeding through hole 26 provided on an upper end surface thereof, the feeding through hole 26 is located above the placement frame 21, a rotary screen 27 for covering the feeding through hole 26 is rotatably connected to a hole side wall of the feeding through hole 26, the upper end surface of the rotary screen 27 is used for abutting against the sliding through hole 14, a sealing pad 28 for penetrating into the penetrating through hole 16 is fixedly connected to the upper end surface of the rotary screen 27, and a guiding chamfer 29 is provided between the upper end surface of the sealing pad 28 and one end of the sealing pad 28 far away from the sealing door 122.
When in use, the driving cylinder 31 drives the placing frame body 21 to move, the transmission gear 72 positioned in the closed box 12 passes through the through hole 16 and enters the tower body 1, and the transmission gear 72 positioned in the tower body 1 passes through the through hole 16 and enters the closed box 12 and is meshed with the driving gear 73; the elastic block 25 is slidably inserted into the other through hole 16 from one through hole 16, and the gasket 28 seals the through hole 16 and locks the rotary screen 27 to the placement frame 21.
When putting into the catalyst of placing in the framework 21, will rotate the otter board 27 and open, drive motor 71 and drive flabellum 421 and two stirring silk 41 rotation, the catalyst passes through pan feeding through-hole 26 and gets into and place in the framework 21, and two stirring silk 41 drive catalyst evenly distributed, and the wind that flabellum 421 blown out is vertical downwards, reduces the catalyst and flies out through pan feeding through-hole 26 in evenly distributed in-process.
The implementation principle of the boiler coal-fired flue gas desulfurization and denitrification equipment provided by the embodiment of the application is as follows: the driving cylinder 31 drives the two placing frames 21 to be replaced, and the fan blades 421 and the poking wires 41 drive the catalyst to stir during use, so that the reaction efficiency and the reaction time of the catalyst are increased, and the blocking door 5 is driven to be opened or closed through the driving component 6 when the placing frames 21 move.
The catalyst in the placement frame 21 is output through the collection bag 126, the fan blades 421, the driving piece 7 and the poking wires 41, and the catalyst is placed through the rotation screen plate 27, the fan blades 421, the driving piece 7 and the poking wires 41.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (4)
1. The utility model provides a boiler fire coal flue gas SOx/NOx control equipment which characterized in that: the novel tower comprises a tower body (1), wherein a smoke inlet pipe (11) communicated with the tower body (1) is arranged on the outer side wall of the tower body (1), a placement component (2) is arranged on the inner side wall of the tower body (1), and the placement component (2) comprises a placement frame body (21) and two blocking screen plates (22); the placing frame body (21) is arranged on the inner side wall of the tower body (1), the two blocking screen plates (22) are arranged on the placing frame body (21), and a space for placing a catalyst is formed between the placing frame body (21) and the two blocking screen plates (22); the blocking screen plate (22) is provided with a stirring assembly (4), the stirring assembly (4) comprises a plurality of stirring wires (41) and a driving piece (42) for driving the stirring wires (41) to rotate, and the stirring wires (41) are rotationally connected to the blocking screen plate (22) and positioned in the placement frame body (21);
the two placing frames (21) are arranged, the two placing frames (21) are distributed along the horizontal direction and are horizontally arranged, and the two placing frames (21) are connected in the tower body (1) in a sliding manner along the distribution direction of the two placing frames (21); two closed boxes (12) distributed along the sliding direction of the placing frame body (21) are arranged on the outer side wall of the tower body (1), a sliding through hole (14) for the placing frame body (21) to slide into the closed boxes (12) is formed in the outer side wall of the tower body (1), and a driving assembly (3) for driving the placing frame body (21) to move is arranged in the tower body (1);
the upper end face of the placement frame body (21) is used for being in conflict with the inner top wall of the sliding through hole (14), the inner bottom wall of the sliding through hole (14) is rotationally connected with the blocking door (5), the upper end face of the blocking door (5) is used for being in conflict with the lower end face of the placement frame body (21), a driving assembly (6) for opening or closing the blocking door (5) is arranged in the tower body (1), and a smoke outlet pipe (13) which is used for being communicated with the closed box (12) is arranged on the closed box (12);
the driving assembly (6) comprises a driving rack (61), an incomplete gear ring (62) and a torsion spring (63) for maintaining the vertical state of the barrier door (5); the driving rack (61) is arranged on the placement frame body (21); the incomplete gear ring (62) is arranged at one end of the blocking door (5) close to the driving rack (61), the incomplete gear ring (62) is used for being meshed with the driving rack (61), and the incomplete gear ring (62) is used for being in contact with the placement frame body (21);
the blocking door (5) comprises a rotary door body (51), a collision door body (52) and a collision spring (53) for keeping the collision door body (52) and the blocking screen plate (22) in collision; the rotary door body (51) is rotatably connected to the inner bottom wall of the sliding through hole (14), and a sliding groove (54) is formed in one end, close to the placement frame body (21), of the rotary door body (51); the abutting door body (52) is connected in the sliding groove (54) in a sliding manner;
one end, far away from each other, of the two placing frame bodies (21) is provided with a discharging pipe (23) communicated with the placing frame bodies (21), a sealing plug (24) with elasticity is arranged in the discharging pipe (23) in a penetrating mode, and the sealing plug (24) is used for propping against the inner side wall of the discharging pipe (23); an operation through hole (121) is formed in one end, far away from the tower body (1), of the closed box (12), a sealing door (122) is rotatably connected to the bottom wall of the operation through hole (121), a mounting through hole (123) is formed in the sealing door (122), and a collecting bag (126) and a locking assembly used for locking the sealing door (122) on the closed box (12) are arranged on the sealing door (122); the collecting bag (126) is arranged on the hole wall of the mounting through hole (123), and the collecting bag (126) is sleeved on the discharging pipe (23); a driving piece (7) for driving the rotating shaft (422) to rotate is arranged in the closed box (12);
the driving piece (7) comprises a driving motor (71), a transmission gear (72) and a driving gear (73); the driving motor (71) is arranged on the inner top wall of the closed box (12); the driving gear (73) is arranged on an output shaft of the driving motor (71); the transmission gears (72) are arranged at the upper ends of the rotating shafts (422) and are positioned above the placement frame bodies (21), the transmission gears (72) are used for being meshed with the driving gears (73), and the two transmission gears (72) are positioned between the two driving gears (73).
2. The boiler coal-fired flue gas desulfurization and denitrification device according to claim 1, wherein: the driving piece (42) comprises fan blades (421) and a rotating shaft (422), and the rotating shaft (422) is rotatably connected to the blocking screen plate (22); the fan blade (421) is located below the placement frame body (21), and the fan blade (421) is arranged on the rotating shaft (422).
3. The boiler coal-fired flue gas desulfurization and denitrification device according to claim 1, wherein: and the blocking net plates (22) above the blocking net plates (22) are provided with feeding through holes (26), and the blocking net plates (22) are rotationally connected with a rotary net plate (27) for covering the feeding through holes (26).
4. A boiler coal-fired flue gas desulfurization and denitrification device according to claim 3, wherein: the upper end face of the rotary screen plate (27) is provided with a sealing gasket (28), and the sealing gasket (28) is used for propping up against the inner top wall of the sliding through hole (14).
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| CN108014641A (en) * | 2017-12-19 | 2018-05-11 | 浙江福嘉设备安装有限公司 | low-temperature denitration tower |
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| JP2000005565A (en) * | 1998-04-21 | 2000-01-11 | Daikin Ind Ltd | Deodorizer |
| CN107583456B (en) * | 2017-09-30 | 2024-03-26 | 泰山学院 | Boiler flue gas adsorption catalysis sulfur removal device |
| CN110613991A (en) * | 2018-06-20 | 2019-12-27 | 云南远大金业有限公司 | Harmless treatment process for smelting tail gas |
| CN108837681A (en) * | 2018-06-26 | 2018-11-20 | 深圳市雷凌广通技术研发有限公司 | A kind of spray column of anti-wall flow |
| CN210251867U (en) * | 2019-06-12 | 2020-04-07 | 四川点石能源股份有限公司 | High-efficient flue gas desulfurization denitration purifier |
| CN210171226U (en) * | 2019-06-21 | 2020-03-24 | 无锡市华星电力环保工程有限公司 | Device is changed to flue gas desulfurization denitration system catalyst |
| CN210356668U (en) * | 2019-07-29 | 2020-04-21 | 靖江市鑫昊环保科技有限公司 | Solid waste treatment is with burning tail gas processing apparatus |
| CN210097400U (en) * | 2019-11-22 | 2020-02-21 | 北京洛卡环保技术有限公司 | Can clear up denitrification facility of changing active carbon |
| CN211635822U (en) * | 2019-12-26 | 2020-10-09 | 喀左嘉盛塑业科技有限公司 | Organic waste gas purification dust collecting equipment |
| CN212790197U (en) * | 2020-07-01 | 2021-03-26 | 湖北思搏盈环保科技股份有限公司 | Low-consumption carbon-based catalytic desulfurization and denitrification device for flue gas purification |
| CN112933963B (en) * | 2021-01-29 | 2022-05-13 | 湛江开发区隆源矿业有限公司 | Energy-concerving and environment-protective device of industrial boiler flue gas desulfurization denitration |
| CN113083008B (en) * | 2021-04-08 | 2022-12-30 | 广东宏瑞能源科技股份有限公司 | Corrosion-resistant high-efficient SOx/NOx control equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108014641A (en) * | 2017-12-19 | 2018-05-11 | 浙江福嘉设备安装有限公司 | low-temperature denitration tower |
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