CN213965942U

CN213965942U - Low temperature flue gas SCR denitrification facility

Info

Publication number: CN213965942U
Application number: CN202022842403.4U
Authority: CN
Inventors: 陈骞; 陈界仁
Original assignee: Yancheng Mingren Environmental Protection Technology Co ltd
Current assignee: Yancheng Mingren Environmental Protection Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-17
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a low temperature flue gas SCR denitrification facility, including the reaction frame, the fixed frame of lateral wall fixedly connected with of reaction frame, the top of fixed frame is provided with the catalyst frame, the bottom fixedly connected with pipe of catalyst frame, the inner wall of fixed frame is provided with the shower nozzle, the utility model relates to a flue gas treatment technical field. This low temperature flue gas SCR denitrification facility, reached the reaction frame, fixed frame, the catalyst frame, the pipe, the shower nozzle, the filter screen, collect the frame, a whole is constituteed with the intake pipe to the clearance mouth, the flue gas passes through the intake pipe and gets into, filter through the filter screen, and then in getting into fixed frame, the shower nozzle sprays the catalyst to the flue gas, carry out selective catalytic reduction denitration, set up dust collecting device, be convenient for collect the gas that gets into, set up wiping arrangement, be convenient for clean the filter screen, it adheres to reduce the dust of filter screen, improve the filtration efficiency of filter screen, satisfy user demand's purpose.

Description

Low temperature flue gas SCR denitrification facility

Technical Field

The utility model relates to a flue gas treatment technical field specifically is a low temperature flue gas SCR denitrification facility.

Background

The SCR selective catalytic reduction denitration technology is the most widely applied flue gas denitration technology internationally at present, is basically adopted in most power plants in countries such as Japan, Europe, America and the like, has no by-products and can not generate secondary pollution, and the device has simple structure, high removal efficiency, reliable operation and easy maintenance. At present, current low temperature flue gas SCR denitrification facility, the single structure is not convenient for filter the dust in the flue gas, and then influences flue gas SCR denitration efficiency, can't satisfy the user demand.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a low temperature flue gas SCR denitrification facility has solved current low temperature flue gas SCR denitrification facility, and single structure is not convenient for filter the dust in the flue gas, and then influences flue gas SCR denitration efficiency, can't satisfy user demand's problem.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a low temperature flue gas SCR denitrification facility, includes the reaction frame, the fixed frame of lateral wall fixedly connected with of reaction frame, the top of fixed frame is provided with the catalyst frame, the bottom fixedly connected with pipe of catalyst frame, the inner wall of fixed frame is provided with the shower nozzle, the shower nozzle is linked together with the pipe, the lateral wall of fixed frame is provided with the filter screen, the lateral wall fixedly connected with of fixed frame collects the frame, the lateral wall of collecting the frame is provided with the intake pipe, the bottom of collecting the frame is provided with the clearance mouth.

Preferably, a dust collecting device is arranged above the collecting frame.

Preferably, dust collecting device includes the baffle, the top fixedly connected with pull ring of baffle, the bottom fixedly connected with pull rod of baffle, pull rod and collection frame sliding connection, the pull rod is located the inside one end fixedly connected with fixed plate of collection frame, the top fixedly connected with supporting spring of fixed plate, supporting spring cup joints with the pull rod, the fixed plate is connected with the inner wall of collecting the frame through supporting spring, the top fixedly connected with rubber pad of fixed plate, the rubber pad is connected with the inner wall of collecting the frame, the bottom fixedly connected with cloth of fixed plate.

Preferably, a wiping device is arranged above the fixing frame and corresponds to the filter screen.

Preferably, wiping arrangement includes the motor frame, motor frame fixedly connected with motor, the output shaft fixedly connected with shaft coupling of motor, the motor passes through shaft coupling fixedly connected with axis of rotation, the axis of rotation is connected with fixed frame rotation, the axis of rotation is located the inside one end fixedly connected with master gear of fixed frame, the master gear meshing transmission has the pinion, the fixedly connected with connecting axle is located in the axle center of pinion, the connecting axle rotates with the filter screen to be connected, the tip fixedly connected with support frame of connecting axle, the lateral wall fixedly connected with cleaning brush of support frame, the cleaning brush is corresponding with the surface of filter screen.

(III) advantageous effects

The utility model provides a low-temperature flue gas SCR denitration device, which is formed into a whole by a reaction frame, a fixed frame, a catalyst frame, a guide pipe, a spray head, a filter screen, a collection frame, a cleaning port and an air inlet pipe, flue gas enters through the air inlet pipe, is filtered by the filter screen and then enters the fixed frame, the spray head sprays catalyst on the flue gas to perform selective catalytic reduction denitration, a dust collecting device is arranged to facilitate the collection of the entering gas, the cloth is utilized to adsorb dust, when the cloth needs to be cleaned, a pull ring is pulled to move upwards to drive a baffle plate to move, a pull rod is driven to move, a fixed plate is driven to move, the elastic potential energy of a support spring is increased, the cloth is driven to move upwards, then the pull ring is loosened, the elastic potential energy of the support spring is converted into kinetic energy to drive the fixed plate to reset, the cloth moves up and down, and then dust attached to the cloth is shaken off, the cleaning device is convenient to clean, the dust adhesion of the filter screen is reduced, the filtering efficiency of the filter screen is improved, the motor works to drive the shaft coupling to rotate, the rotating shaft is driven to rotate, the main gear is driven to rotate, the pinion is driven to rotate, the connecting shaft is driven to rotate, the supporting frame is driven to rotate, the cleaning brush is driven to move, the cleaning brush cleans the filter screen, the dust on the surface of the filter screen is reduced, the filtering efficiency is improved, a reaction frame, a fixing frame, a catalyst frame, a conduit, a nozzle, the filter screen, a collecting frame, a cleaning opening and an air inlet pipe are integrated, flue gas enters through the air inlet pipe, is filtered through the filter screen and then enters the fixing frame, the nozzle sprays a catalyst on the flue gas to perform selective catalytic reduction denitration, the dust collecting device is arranged, the entering gas is convenient to collect, and the cleaning device is arranged, the dust-removing device has the advantages that the dust-removing device is convenient to clean the filter screen, reduces dust adhesion of the filter screen, improves the filtering efficiency of the filter screen, and meets the use requirement.

Drawings

FIG. 1 is a schematic view of the overall external structure of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

FIG. 3 is a schematic view of the dust collecting device of the present invention;

fig. 4 is a schematic view of a part of an enlarged structure of fig. 2 according to the present invention.

In the figure: 1. a reaction frame; 2. a fixing frame; 3. a catalyst frame; 4. a conduit; 5. a spray head; 6. a filter screen; 7. a collection frame; 8. a dust collecting device; 81. a baffle plate; 82. a pull ring; 83. a pull rod; 84. a fixing plate; 85. a support spring; 86. a rubber pad; 87. cloth strips; 9. a wiping device; 91. a motor frame; 92. A motor; 93. a coupling; 94. a rotating shaft; 95. a main gear; 96. a pinion gear; 97. a connecting shaft; 98. a support frame; 99. cleaning a brush; 10. cleaning the opening; 11. an air inlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a low temperature flue gas SCR denitrification facility, including reaction frame 1, the fixed frame 2 of lateral wall fixedly connected with of reaction frame 1, the top of fixed frame 2 is provided with catalyst frame 3, the bottom fixedly connected with pipe 4 of catalyst frame 3, the inner wall of fixed frame 2 is provided with shower nozzle 5, shower nozzle 5 is linked together with pipe 4, the lateral wall of fixed frame 2 is provided with filter screen 6, the lateral wall fixedly connected with of fixed frame 2 collects frame 7, the lateral wall of collecting frame 7 is provided with intake pipe 11, the bottom of collecting frame 7 is provided with clearance mouth 10.

In this embodiment: reaction frame 1, fixed frame 2, catalyst frame 3, pipe 4, shower nozzle 5, filter screen 6, collection frame 7, clearance mouth 10 and intake pipe 11 constitute a whole, and the flue gas passes through the intake pipe 11 and gets into, filters through filter screen 6, and then gets into fixed 2 frames, and shower nozzle 5 sprays the catalyst to the flue gas, carries out selective catalytic reduction denitration.

Specifically, a dust collecting device 8 is arranged above the collecting frame 7.

In this embodiment: the dust collecting device 8 is arranged, so that the entering gas can be collected conveniently, and the cloth strips are used for dust adsorption.

Specifically, dust collector 8 includes baffle 81, the top fixedly connected with pull ring 82 of baffle 81, the bottom fixedly connected with pull rod 83 of baffle 81, pull rod 83 and collection frame 7 sliding connection, pull rod 83 is located the inside one end fixedly connected with fixed plate 84 of collection frame 7, the top fixedly connected with supporting spring 85 of fixed plate 84, supporting spring 85 cup joints with pull rod 83, fixed plate 84 is connected with the inner wall of collecting frame 7 through supporting spring 85, the top fixedly connected with rubber pad 86 of fixed plate 84, rubber pad 86 is connected with the inner wall of collecting frame 7, the bottom fixedly connected with cloth 87 of fixed plate 84.

In this embodiment: when the cloth strips 87 need to be cleaned, the pull ring 82 is pulled to move upwards to drive the baffle 81 to move, the pull rod 83 is driven to move to drive the fixing plate 84 to move, the elastic potential energy of the supporting spring 85 is increased to drive the cloth strips 87 to move upwards, then the pull ring 82 is loosened, the elastic potential energy of the supporting spring 85 is converted into kinetic energy to drive the fixing plate 84 to reset, so that the cloth strips 87 move up and down, the dust attached to the cloth strips 87 is shaken off and falls into the collecting frame 7, and the cleaning is facilitated.

Specifically, a wiping device 9 is arranged above the fixed frame 2, and the wiping device 9 corresponds to the filter screen 6.

In this embodiment: the wiping device 9 is arranged, so that the filter screen 6 can be wiped conveniently, dust adhesion of the filter screen 6 is reduced, and the filtering efficiency of the filter screen 6 is improved.

Specifically, the wiping device 9 includes a motor frame 91, a motor 92 is fixedly connected to the motor frame 91, a coupler 93 is fixedly connected to an output shaft of the motor 92, the motor 92 is fixedly connected to a rotating shaft 94 through the coupler 93, the rotating shaft 94 is rotatably connected to the fixed frame 2, the rotating shaft 94 is located at a main gear 95 fixedly connected to one end inside the fixed frame 2, the main gear 95 is meshed with a pinion 96, a connecting shaft 97 is fixedly connected to an axis of the pinion 96, the connecting shaft 97 is rotatably connected to the filter screen 6, a supporting frame 98 is fixedly connected to an end of the connecting shaft 97, a cleaning brush 99 is fixedly connected to a side wall of the supporting frame 98, and the cleaning brush 99 corresponds to the surface of the filter screen 6.

In this embodiment: the motor 92 works to drive the coupler 93 to rotate, drive the rotating shaft 94 to rotate, drive the main gear 95 to rotate, drive the pinion 96 to rotate, drive the connecting shaft 97 to rotate, drive the supporting frame 98 to rotate, drive the cleaning brush 99 to move, and the cleaning brush 99 cleans the filter screen 6, so that dust on the surface of the filter screen 6 is reduced, and the filtering efficiency is improved.

When the device is used, flue gas enters through the air inlet pipe 11, is filtered by the filter screen 6 and then enters the fixed frame 2, the spray head 5 sprays catalyst on the flue gas to perform selective catalytic reduction denitration, the dust collecting device 8 is arranged to facilitate the collection of the entering gas, dust is adsorbed by the cloth strips, when the cloth strips 87 need to be cleaned, the pull ring 82 is pulled to move upwards to drive the baffle 81 to move, the pull rod 83 is driven to move, the fixed plate 84 is driven to move, the elastic potential energy of the supporting spring 85 is increased to drive the cloth strips 87 to move upwards, then the pull ring 82 is loosened, the elastic potential energy of the supporting spring 85 is converted into kinetic energy to drive the fixed plate 84 to reset, so that the cloth strips 87 shake up and down, dust attached to the cloth strips 87 falls into the collecting frame 7 to facilitate the cleaning, the cleaning device 9 is arranged to facilitate the cleaning of the filter screen 6 and reduce the dust attachment of the filter screen 6, the filter efficiency of filter screen 6 is improved, and motor 92 works, drives shaft coupling 93 to rotate, drives axis of rotation 94 to rotate, drives main gear 95 to rotate, drives pinion 96 to rotate, drives connecting axle 97 to rotate, drives support frame 98 to rotate, drives cleaning brush 99 to move, and cleaning brush 99 cleans filter screen 6, reduces the dust on the surface of filter screen 6, improves filter efficiency.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low temperature flue gas SCR denitrification facility, includes reaction frame (1), its characterized in that: the utility model discloses a catalyst box, including reaction frame (1), the top of fixed frame (2) is provided with catalyst frame (3), the bottom fixedly connected with pipe (4) of catalyst frame (3), the inner wall of fixed frame (2) is provided with shower nozzle (5), shower nozzle (5) are linked together with pipe (4), the lateral wall of fixed frame (2) is provided with filter screen (6), lateral wall fixedly connected with of fixed frame (2) collects frame (7), the lateral wall of collecting frame (7) is provided with intake pipe (11), the bottom of collecting frame (7) is provided with clearance mouth (10).

2. The low-temperature flue gas SCR denitration device of claim 1, wherein: a dust collecting device (8) is arranged above the collecting frame (7).

3. The low-temperature flue gas SCR denitration device of claim 2, wherein: dust collecting device (8) are including baffle (81), top fixedly connected with pull ring (82) of baffle (81), bottom fixedly connected with pull rod (83) of baffle (81), pull rod (83) and collection frame (7) sliding connection, pull rod (83) are located the inside one end fixedly connected with fixed plate (84) of collection frame (7), the top fixedly connected with supporting spring (85) of fixed plate (84), supporting spring (85) cup joint with pull rod (83), fixed plate (84) are connected with the inner wall of collecting frame (7) through supporting spring (85), the top fixedly connected with rubber pad (86) of fixed plate (84), rubber pad (86) are connected with the inner wall of collecting frame (7), the bottom fixedly connected with cloth (87) of fixed plate (84).

4. The low-temperature flue gas SCR denitration device of claim 1, wherein: a wiping device (9) is arranged above the fixed frame (2), and the wiping device (9) corresponds to the filter screen (6).

5. The low-temperature flue gas SCR denitration device of claim 4, wherein: the wiping device (9) comprises a motor frame (91), the motor frame (91) is fixedly connected with a motor (92), an output shaft of the motor (92) is fixedly connected with a coupler (93), the motor (92) is fixedly connected with a rotating shaft (94) through the coupler (93), the rotating shaft (94) is rotatably connected with the fixed frame (2), one end of the rotating shaft (94) positioned in the fixed frame (2) is fixedly connected with a main gear (95), the main gear (95) is engaged with and driven by a pinion (96), the axis of the pinion (96) is fixedly connected with a connecting shaft (97), the connecting shaft (97) is rotationally connected with the filter screen (6), the end part of the connecting shaft (97) is fixedly connected with a supporting frame (98), the side wall of the support frame (98) is fixedly connected with a cleaning brush (99), and the cleaning brush (99) corresponds to the surface of the filter screen (6).