CN213194866U

CN213194866U - Soot blower for SCR denitration reactor

Info

Publication number: CN213194866U
Application number: CN202021969931.XU
Authority: CN
Inventors: 胡长兵; 王才君; 马申军
Original assignee: Guangdong Jiangyu Environmental Protection Engineering Equipment Co ltd
Current assignee: Guangdong Jiangyu Environmental Protection Engineering Equipment Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-05-14
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a soot blower for SCR denitration reactor, comprising a base plate, the equal fixedly connected with backup pad in bottom both sides of bottom plate, fixedly connected with layer board between the backup pad, the basin has been placed on the layer board, the top fixedly connected with casing of bottom plate, the inner chamber top fixedly connected with wind storehouse of casing, install the fan in the wind storehouse, its both sides all are provided with first motor, the output fixed mounting of first motor has the lead screw, the top of bottom plate is provided with the support frame, the reactor body has been placed on the support frame, the both sides of reactor body all are provided with deashing mechanism, a plurality of ash hole has been seted up to the bottom of support frame, and a plurality of bracing pieces of bottom fixedly connected with of support frame, the ash collection mouth has been seted up at the center of bottom plate, the ash collection mouth is located the basin. The utility model has the characteristics of structural design is reasonable, and the deashing is effectual, and the dust is difficult for remaining to raise dust etc. can effectively be avoided.

Description

Soot blower for SCR denitration reactor

Technical Field

The utility model relates to a waste gas treatment technical field specifically is a soot blower for SCR denitration reactor.

Background

The SCR is a selective catalytic reduction technology, which means that under the action of a catalyst and in the presence of oxygen, NH3 preferentially undergoes a reduction removal reaction with N0x to generate nitrogen and water, but does not undergo an oxidation reaction with oxygen in flue gas. SCR has high denitration efficiency, is a mature denitration process, and is the most widely applied technology for denitration.

Denitration reactors made by SCR technology are widely used in the field of exhaust gas treatment. After the SCR denitration reactor is used for a long time, a large amount of dust is inevitably adhered to the surface of the SCR denitration reactor, the using effect of the SCR denitration reactor is influenced if the SCR denitration reactor is not cleaned in time, and the service life of the SCR denitration reactor is also shortened. The current SCR denitration reactor dust clearance is mostly accomplished through soot blower, but current soot blower deashing effect is poor, and the dust remains easily to the dust is raised easily when blowing the soot, thereby causes adverse effect to surrounding environment and staff's health, consequently urgently needs to improve it.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's SCR denitration reactor deashing effect poor, and the dust remains easily to the dust defect of kicking up easily provides the soot blower who is used for SCR denitration reactor when blowing the ash. The soot blower for the SCR denitration reactor has the characteristics of reasonable structural design, good soot cleaning effect, difficult dust residue, capability of effectively avoiding dust raise and the like.

In order to achieve the above object, the utility model provides a following technical scheme: the soot blower for the SCR denitration reactor comprises a bottom plate, wherein supporting plates are fixedly connected to two sides of the bottom plate, a supporting plate is fixedly connected between the supporting plates, a water tank is placed on the supporting plate, a shell is fixedly connected to the top of the bottom plate, an air bin is fixedly connected to the top of an inner cavity of the shell, a fan is installed in the air bin, first motors are arranged on two sides of the air bin, the first motors are fixedly installed at the top of the inner cavity of the shell, screw rods are fixedly installed at output ends of the first motors, the bottom end of each screw rod penetrates through the bottom plate, a supporting frame is arranged above the bottom plate, a reactor body is placed on the supporting frame, soot cleaning mechanisms are arranged on two sides of the reactor body, a plurality of soot discharging holes are formed in the bottom of the supporting frame, a plurality of supporting rods are, the bottom plate is characterized in that a dust collecting port is formed in the center of the bottom plate and is located right above the water tank, and dust sucking mechanisms are arranged on two sides of the dust collecting port.

Preferably, the deashing mechanism includes the drive frame, the surface of drive frame set up with lead screw matched with transmission hole, the lead screw passes the transmission hole, the drive frame is close to fixedly connected with protective housing on the lateral wall of reactor body one side, install the cylinder in the protective housing, the output shaft end of cylinder runs through protective housing and fixedly connected with mounting panel, the fixed surface of mounting panel installs a plurality of second motor, every the equal fixedly connected with deashing board of output shaft end of second motor, the surface of deashing board is provided with the brush.

Preferably, the transmission frame is kept away from fixedly connected with slider on the lateral wall of reactor body one side, the both sides lateral wall of casing all seted up with slider matched with spout, the slider passes the spout and extends to outside the casing, its terminal fixedly connected with stopper, the width of stopper is greater than the groove width of spout.

Preferably, a plurality of exhaust vent has been seted up to the bottom of wind storehouse, and the equal fixedly connected with tuber pipe of its both sides lateral wall, the one end mouth of pipe of tuber pipe and wind storehouse are each other to be linked together, and its other end mouth of pipe is tubaeform and extends to the both sides top of reactor body.

Preferably, the support frame is the U font, and threaded hole has all been seted up to its both sides lateral wall, screw hole female connection has the threaded rod, the end of threaded rod is provided with splint, splint are close to the lateral wall fixedly connected with spring of threaded rod one side, the spring is symmetric distribution about the threaded rod, and its other end fixed connection is at the inner wall of support frame.

Preferably, a plurality of hemispherical rubber blocks are uniformly distributed on the surface of the side wall of the clamping plate close to one side of the reactor body.

Preferably, the dust suction mechanism comprises an exhaust fan, the exhaust fan is fixedly installed at the bottom of the bottom plate, an exhaust pipe and an air guide pipe are fixedly connected to two sides of the exhaust fan respectively, the other end of the exhaust pipe penetrates through the bottom plate and extends to the lower portion of the supporting frame, the other end of the air guide pipe extends to the upper portion of the water tank, and pipe orifices of the exhaust pipe and the air guide pipe are horn-shaped.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the structure design is reasonable, the fan is driven to rotate to blast air, and the air can be diffused to the top and two sides of the reactor body through the air outlet holes and the air outlet pipes so as to blow off the adhered dust;

2. the dust cleaning mechanism has a good dust cleaning effect, residual dust on the reactor body can be cleaned through the dust cleaning mechanism, the first motor can be driven to drive the screw rod to rotate in the cleaning process, and the transmission frame and the second motor can be driven to move up and down together by utilizing the mutual matching between the screw rod and the transmission hole, so that the cleaning range of the dust cleaning plate can be expanded, and the cleaning effect is improved;

3. can effectively avoid the raise dust, can inhale the exhaust column through the dust that the drive air exhauster was raised when blowing the ash to leading-in to the basin through the guide duct, the clear water has been stored in the basin, but the active absorption dust, thereby avoids the dust to fly away everywhere and causes adverse effect to surrounding environment and staff's health.

Drawings

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

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 1 at B;

fig. 4 is a top view of the drive frame.

Reference numbers in the figures: 1. a base plate; 2. a support plate; 3. a support plate; 4. a water tank; 5. a housing; 6. a wind bin; 7. a fan; 8. a first motor; 9. a lead screw; 10. a support frame; 11. a reactor body; 12. an ash hole; 13. a support bar; 14. a dust collecting port; 15. a transmission frame; 16. a drive bore; 17. a protective shell; 18. a cylinder; 19. mounting a plate; 20. a second motor; 21. cleaning the ash plate; 22. a slider; 23. a chute; 24. a limiting block; 25. an air outlet; 26. an air outlet pipe; 27. a threaded hole; 28. a threaded rod; 29. a splint; 30. a spring; 31. an exhaust fan; 32. an exhaust pipe; 33. an air guide 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: a soot blower for an SCR denitration reactor comprises a bottom plate 1, wherein supporting plates 2 are fixedly connected to two sides of the bottom plate 1, supporting plates 3 are fixedly connected between the supporting plates 2, a water tank 4 is placed on each supporting plate 3, a shell 5 is fixedly connected to the top of the bottom plate 1, an air bin 6 is fixedly connected to the top of an inner cavity of the shell 5, a fan 7 is installed in the air bin 6 and can blow air by driving the fan 7, a plurality of air outlet holes 25 are formed in the bottom of the air bin 6, air outlet pipes 26 are fixedly connected to the side walls of two sides of the air bin, one end pipe orifices of the air outlet pipes 26 are communicated with the air bin 6, the other end pipe orifices are horn-shaped and extend to the tops of two sides of a reactor body 11, air blown out by the fan 7 can be diffused through the air outlet holes 25 and the air outlet pipes 26 so as to perform soot blowing operation, first motors 8 are arranged on two, the output end of the reactor is fixedly provided with a lead screw 9, the lead screw 9 can be driven to rotate by driving a first motor 8, the bottom end of the lead screw 9 penetrates through a bottom plate 1, a support frame 10 is arranged above the bottom plate 1, a reactor body 11 is placed on the support frame 10, the support frame 10 is U-shaped, the side walls of two sides of the support frame are both provided with threaded holes 27, threaded rods 28 are in threaded connection with the threaded holes 27, clamping plates 29 are arranged at the tail ends of the threaded rods 28, springs 30 are fixedly connected to the side walls of the clamping plates 29 close to one side of the threaded rods 28, the springs 30 are symmetrically distributed about the threaded rods 28, the other ends of the springs are fixedly connected to the inner wall of the support frame 10, the tail ends of the springs can drive the clamping plates 29 to move until the clamping plates 29 tightly abut against two sides of the reactor body 11, the reactor body 11 can, the surface of the side wall of the clamp plate 29 close to one side of the reactor body 11 is uniformly distributed with a plurality of hemispherical rubber blocks, the rubber blocks have elasticity, and can generate elastic deformation when being extruded, thereby playing the effect of buffering and damping, so as to avoid abrasion caused by direct contact between the reactor body 11 and the clamp plate 29, both sides of the reactor body 11 are provided with ash cleaning mechanisms, each ash cleaning mechanism comprises a transmission frame 15, the surface of the transmission frame 15 is provided with a transmission hole 16 matched with the lead screw 9, the lead screw 9 passes through the transmission hole 16, the transmission frame 15 can be driven to move up and down when the lead screw 9 rotates, the side wall of the transmission frame 15 far away from one side of the reactor body 11 is fixedly connected with a slide block 22, both side walls of the shell 5 are provided with slide grooves 23 matched with the slide block 22, the slide block 22 passes through the slide grooves 23 and extends out of the shell 5, the tail end of the slide block 22, the transmission frame 15 can be driven to slide up and down along the sliding groove 23 when moving up and down, the stability of the transmission frame 15 can be improved by utilizing the mutual matching among the sliding block 22, the sliding groove 23 and the limiting block 24 so as to prevent the transmission frame from shaking and inclining when moving up and down, the side wall of the transmission frame 15 close to one side of the reactor body 11 is fixedly connected with a protective shell 17, an air cylinder 18 is arranged in the protective shell 17, the tail end of an output shaft of the air cylinder 18 penetrates through the protective shell 17 and is fixedly connected with a mounting plate 19, the mounting plate 19 can be driven to move left and right by driving the air cylinder 18, a plurality of second motors 20 are fixedly arranged on the surface of the mounting plate 19, the tail end of an output shaft of each second motor 20 is fixedly connected with an ash cleaning plate 21, the ash cleaning plate 21 can be driven to rotate by driving the second motors 20, the surface of the ash cleaning plate 21 is provided with, the bottom of the supporting frame 10 is provided with a plurality of ash holes 12, the bottom of the supporting frame 10 is fixedly connected with a plurality of supporting rods 13, the bottom ends of the supporting rods 13 are fixedly connected to the bottom plate 1, the center of the bottom plate 1 is provided with an ash collecting port 14, the ash collecting port 14 is positioned right above the water tank 4, both sides of the ash collecting port are provided with ash sucking mechanisms, each ash sucking mechanism comprises an exhaust fan 31, the exhaust fans 31 are fixedly arranged at the bottom of the bottom plate 1, both sides of the exhaust fans are respectively and fixedly connected with an exhaust pipe 32 and a wind guide pipe 33, the other end of the exhaust pipe 32 penetrates through the bottom plate 1 and extends to the lower part of the supporting frame 10, the other end of the wind guide pipe 33 extends to the upper part of the water tank 4, pipe orifices of the exhaust pipe 32 and the wind guide pipe 33 are horn-shaped, dust raised in the ash blowing process can be sucked into the, the dust can be effectively absorbed, so that the dust is prevented from flying around to cause adverse effects on the surrounding environment and the health of workers.

The working principle is as follows: when the utility model is used, firstly, the electrical components in the device are externally connected with a control switch and a power supply through wires, then the reactor body 11 to be cleaned is placed in the support frame 10, and the threaded rod 28 in the threaded hole 27 is rotated to drive the clamp plate 29 to tightly abut against the side wall of the reactor body 11 so as to clamp and fix the reactor body 11, then the fan 7 is driven to rotate to blow air, the air can be diffused to the top and two sides of the reactor body 11 through the air outlet hole 25 and the air outlet pipe 26 so as to blow off the adhered dust, at the moment, part of the dust can fall into the dust collecting port 14 through the dust collecting port 14 and is collected into the water tank 4 through the dust collecting port 14, meanwhile, the second motor 20 is driven to drive the dust cleaning plate 21 to rotate, and the air cylinder 18 is driven to drive the mounting plate 19 and the second motor 20 to move together towards the direction of the reactor body 11, when the dust cleaning plate 21 is in contact with the surface of the reactor body 11, the brush can be used for cleaning up the dust remained on the reactor body 11, the first motor 8 can be driven to drive the screw rod 9 to rotate in the cleaning process, and the transmission frame 15 and the second motor 20 can be driven to move up and down together by utilizing the mutual matching between the screw rod 9 and the transmission hole 16, so that the cleaning range of the dust cleaning plate 21 can be expanded, and the cleaning effect is improved; when the raise dust takes place in the clearance process, the dust that drive air exhauster 31 will be raised inhales exhaust column 32 to through the leading-in to basin 4 of guide duct 33, store clear water in the basin 4, but the effective absorption dust, thereby avoid the dust to fly away everywhere and cause adverse effect to surrounding environment and staff's health.

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. A soot blower for SCR denitration reactor, including bottom plate (1), its characterized in that: the reactor is characterized in that supporting plates (2) are fixedly connected to two sides of the bottom plate (1), a supporting plate (3) is fixedly connected between the supporting plates (2), a water tank (4) is placed on the supporting plate (3), a shell (5) is fixedly connected to the top of the bottom plate (1), an air bin (6) is fixedly connected to the top of an inner cavity of the shell (5), a fan (7) is installed in the air bin (6), first motors (8) are arranged on two sides of the air bin, the first motors (8) are fixedly installed at the top of the inner cavity of the shell (5), lead screws (9) are fixedly installed at output ends of the first motors, the bottom ends of the lead screws (9) penetrate through the bottom plate (1), a supporting frame (10) is arranged above the bottom plate (1), a reactor body (11) is placed on the supporting frame (10), and ash, a plurality of ash hole (12) have been seted up to the bottom of support frame (10), just a plurality of spinal branch vaulting poles (13) of bottom fixedly connected with of support frame (10), the bottom fixed connection of bracing piece (13) is on bottom plate (1), ash collecting opening (14) have been seted up at the center of bottom plate (1), ash collecting opening (14) are located basin (4) directly over, and its both sides all are provided with inhales grey mechanism.

2. The soot blower for an SCR denitration reactor according to claim 1, wherein: deashing mechanism includes drive frame (15), drive hole (16) with lead screw (9) matched with are seted up on the surface of drive frame (15), lead screw (9) pass drive hole (16), fixedly connected with protective housing (17) on drive frame (15) are close to the lateral wall of reactor body (11) one side, install cylinder (18) in protective housing (17), the output shaft end of cylinder (18) runs through protective housing (17) and fixedly connected with mounting panel (19), the fixed surface of mounting panel (19) installs a plurality of second motor (20), every the terminal equal fixedly connected with deashing board (21) of output shaft of second motor (20), the surface of deashing board (21) is provided with the brush.

3. The soot blower for an SCR denitration reactor according to claim 2, wherein: fixedly connected with slider (22) on the lateral wall of reactor body (11) one side is kept away from in driving frame (15), both sides lateral wall of casing (5) all seted up with slider (22) matched with spout (23), outside slider (22) passed spout (23) and extended to casing (5), its terminal fixedly connected with stopper (24), the width of stopper (24) is greater than the groove width of spout (23).

4. The soot blower for an SCR denitration reactor according to claim 1, wherein: a plurality of exhaust vent (25) have been seted up to the bottom of wind storehouse (6), and the equal fixedly connected with of its both sides lateral wall goes out tuber pipe (26), the one end mouth of pipe that goes out tuber pipe (26) each other communicates with wind storehouse (6), and its other end mouth of pipe is tubaeform and extends to the both sides top of reactor body (11).

5. The soot blower for an SCR denitration reactor according to claim 1, wherein: support frame (10) is the U font, and threaded hole (27) have all been seted up to its both sides lateral wall, threaded hole (27) female connection has threaded rod (28), the end of threaded rod (28) is provided with splint (29), splint (29) are close to lateral wall fixedly connected with spring (30) of threaded rod (28) one side, spring (30) are symmetric distribution about threaded rod (28), and its other end fixed connection is at the inner wall of support frame (10).

6. The soot blower for an SCR denitration reactor according to claim 5, wherein: a plurality of hemispherical rubber blocks are uniformly distributed on the surface of the side wall of the clamping plate (29) close to one side of the reactor body (11).

7. The soot blower for an SCR denitration reactor according to claim 1, wherein: inhale grey mechanism and include air exhauster (31), air exhauster (31) fixed mounting is in the bottom of bottom plate (1), and its both sides are fixedly connected with exhaust column (32) and guide duct (33) respectively, the other end of exhaust column (32) runs through bottom plate (1) and extends to the below of support frame (10), the other end of guide duct (33) extends to the top of basin (4), just the mouth of pipe of exhaust column (32) and guide duct (33) is tubaeform.