CN217613943U

CN217613943U - Intelligent accurate denitration device for cement kiln

Info

Publication number: CN217613943U
Application number: CN202221081191.5U
Authority: CN
Inventors: 梅志发
Original assignee: Zhejiang Jin Yuan Cement Co ltd
Current assignee: Zhejiang Jin Yuan Cement Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-10-21
Anticipated expiration: 2032-05-07

Abstract

The utility model relates to a sell technical field takes off, especially relates to an accurate denitrification facility of cement kiln intelligence. The technical scheme comprises the following steps: the novel pin removal spray nozzle comprises a pin removal tower body, a clamping sleeve, a baffle and a supporting plate, wherein a fixing plate is installed on one side of the inner wall of the pin removal tower body, a shunt tube is installed in the fixing plate in an inserted mode, a movable groove is formed in the outer wall of one side of the pin removal tower body, the clamping sleeve is installed on the outer wall of the two sides of the pin removal tower body, the baffle is installed in the clamping sleeve in an rotating mode, the baffle penetrates through the outer wall of one end of the clamping sleeve and is provided with a motor, the supporting plate is installed on the outer wall of one side of the baffle, a spray nozzle body which is distributed in a rectangular array is arranged inside the supporting plate, the effect that the spray nozzle body is convenient to maintain is achieved through the baffle, the supporting plate and the spray nozzle body, and the maintenance efficiency of the spray nozzle body is improved.

Description

Intelligent accurate denitration device for cement kiln

Technical Field

The utility model relates to a take off round pin technical field, specifically be an accurate denitrification facility of cement kiln intelligence.

Background

The denitration is a process for removing nitrogen oxides from combustion flue gas, and the importance of preventing environmental pollution is pointed out as a problem worldwide. The mainstream process in the world comprises the following steps: SCR and SNCR. These two processes are not much different except that the reaction temperature is lower than SNCR due to the use of a catalyst for SCR, but the SCR investment is at least several times, even more than 10 times, the SNCR investment if both from the point of view of construction costs and operating costs.

Through mass search, the denitration device in the prior art is found to be a typical cement kiln non-pre-dedusting SCR denitration device disclosed as CN212942272U, and comprises the following components: the device comprises a separation device, an SCR reactor, an ammonia spraying device and a soot blowing device, wherein the separation device comprises a multi-stage cyclone separator, and a plurality of catalyst layers are arranged in the SCR reactor; the ammonia spraying device comprises a double-fluid spray gun and an ammonia spraying grid; the soot blower is provided with a plurality of soot blowers and an outer tube, and the outer tube is provided with an electromagnetic valve; the ash discharging device comprises a sedimentation channel, an ash bucket and a zipper machine, the upper end of the ash bucket is connected with the sedimentation channel, and the lower end of the ash bucket is connected with the zipper machine. Through the multi-stage cyclone separator, dust entering the SCR reactor is reduced, and ammonia water is atomized and then sprayed into high-temperature flue gas to be rapidly and uniformly mixed with the flue gas; the large-aperture catalyst and the soot blower avoid the blockage of the catalyst module and the deposition to realize the purpose of high-efficiency denitration.

Current device of taking off a round pin usually need be to taking off the inside aqueous ammonia that sprays of round pin tower through the shower nozzle in the use to take off a round pin, nevertheless the shower nozzle uses the back for a long time, can be blockked up by the dust in the flue gas, thereby lead to the aqueous ammonia to spray not smooth, the influence is to the quality of taking off a round pin of flue gas, and current shower nozzle is not convenient for maintain, influences the maintenance efficiency of shower nozzle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate denitrification facility of cement kiln intelligence to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an accurate denitrification facility of cement kiln intelligence, is including taking off round pin tower body, cutting ferrule, baffle and backup pad, take off round pin tower body inner wall one side and install the fixed plate, the shunt tubes is installed in the inside grafting of fixed plate, take off round pin tower body one side outer wall and seted up the activity groove, take off round pin tower body both sides outer wall and all install the cutting ferrule, the inside rotation of cutting ferrule installs the baffle, the baffle runs through cutting ferrule one end outer wall and is provided with the motor, the backup pad is installed to baffle one side outer wall, the inside shower nozzle body that is provided with the rectangle array and distributes of backup pad.

Preferably, the shunt tubes penetrate through the outer wall of one end of the pin removal tower body and are connected with the liquid inlet tubes in an inserting mode, and the air outlet tubes are connected with one side of the outer wall of the upper end of the pin removal tower body in an inserting mode. The pin removal liquid enters the flow dividing pipe through the liquid inlet pipe and enters the spray head body, and is uniformly sprayed into the pin removal tower body, and the flue gas inside the pin removal tower body is discharged through the gas outlet pipe.

Preferably, two cutting ferrules are distributed on two sides of the movable groove, and the size of the baffle plate is larger than that of the movable groove. The cutting ferrule has guaranteed the rotational stability of baffle.

Preferably, the outer wall laminating of baffle one side is fixed with first sealed pad, first sealed pad contacts with the tower body of taking off the round pin. The first sealing gasket ensures the sealing performance between the baffle and the pin removal tower body, and achieves the purpose of shielding the movable groove.

Preferably, the laminating of shower nozzle body inner wall one side is fixed with the sealed pad of second, shunt tubes one end outer wall is located inside the shower nozzle body, and shunt tubes and the sealed pad of second contact. The second sealing gasket ensures the sealing property between the spray head body and the shunt pipe and ensures the flowing sealing property of the pin-removing liquid.

Preferably, a fixing block is installed on one side of the outer wall of the lower end of the baffle, a bolt is arranged inside the fixing block, and the fixing block is connected with the pin removal tower body through the bolt. The bolt and the fixed block achieve the purpose of fixing the baffle plate, and the position stability of the baffle plate is guaranteed.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up baffle, backup pad and shower nozzle body, reached the effect that the shower nozzle body is convenient for maintain, when needing to maintain, the staff wrench disassembly bolt of taking makes the baffle break away from control, and the motor drives the baffle and rotates, makes the baffle be in the vertical state, makes shunt tubes and shower nozzle body break away from mutually to drive the backup pad and rotate to the movable groove inside, the staff of being convenient for maintains the shower nozzle body, has improved the maintenance efficiency of shower nozzle body.

Drawings

FIG. 1 is a schematic sectional view of the structure of the pin removal tower body of the present invention;

FIG. 2 is a schematic top view of the supporting plate structure of the present invention;

fig. 3 is a partial schematic view of the fixing plate structure shown in fig. 1 according to the present invention.

In the figure: 1. a pin removal tower body; 11. a fixing plate; 12. an air outlet pipe; 13. a shunt tube; 14. a liquid inlet pipe; 2. a card sleeve; 21. a baffle plate; 22. a first gasket; 23. a movable groove; 24. a fixed block; 25. a bolt; 26. a support plate; 27. a nozzle body; 28. a second gasket; 29. an electric motor.

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 efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the present invention provides two embodiments:

the first embodiment is as follows: the utility model provides an accurate denitrification facility of cement kiln intelligence, including taking off round pin tower body 1, cutting ferrule 2, baffle 21 and backup pad 26, take off round pin tower body 1 inner wall one side and install fixed plate 11, shunt tubes 13 are installed in 11 inside pegs graft of fixed plate, take off round pin tower body 1 one side outer wall and seted up movable groove 23, take off round pin tower body 1 both sides outer wall and all install cutting ferrule 2, cutting ferrule 2 internal rotation installs baffle 21, baffle 21 runs through cutting ferrule 2 one end outer wall and is provided with motor 29, backup pad 26 is installed to 21 one side outer wall of baffle, the inside shower nozzle body 27 that is provided with the rectangle array and distributes of backup pad 26.

The shunt tube 13 runs through the outer wall of one end of the pin removal tower body 1 and is provided with a liquid inlet tube 14 in an inserting mode, and one side of the outer wall of the upper end of the pin removal tower body 1 is provided with an air outlet tube 12 in an inserting mode. The denitration liquid enters the shunt pipe 13 through the liquid inlet pipe 14 and then enters the nozzle body 27 to be uniformly sprayed into the denitration tower body 1, and the flue gas in the denitration tower body 1 is discharged through the gas outlet pipe 12.

A second sealing gasket 28 is fixedly attached to one side of the inner wall of the nozzle body 27, the outer wall of one end of the shunt pipe 13 is located inside the nozzle body 27, and the shunt pipe 13 is in contact with the second sealing gasket 28. The second sealing gasket 28 ensures the sealing performance between the spray head body 27 and the shunt pipe 13, and ensures the flowing sealing performance of the pin removal liquid.

Example two: the utility model provides an accurate denitrification facility of cement kiln intelligence, including taking off round pin tower body 1, cutting ferrule 2, baffle 21 and backup pad 26, take off round pin tower body 1 inner wall one side and install fixed plate 11, the shunt tubes 13 is installed in the inside grafting of fixed plate 11, take off round pin tower body 1 one side outer wall has seted up movable groove 23, cutting ferrule 2 is all installed to the outer wall of taking off round pin tower body 1 both sides, cutting ferrule 2 internal rotation installs baffle 21, baffle 21 runs through cutting ferrule 2 one end outer wall and is provided with motor 29, as is well known to the technical staff in the field, the utility model discloses a take off round pin device still need provide motor 29 so that it normally works, and as is known to the technical staff in the field, the provision of motor 29 is common, and it all belongs to conventional means or common general knowledge, just no longer gives unnecessary details here, and technical staff can carry out arbitrary apolegamy according to its needs or facility, and backup pad 26 is installed to the outer wall of baffle 21 one side, the inside shower nozzle body 27 that is provided with the rectangular array distributes of backup pad 26.

The two cutting sleeves 2 are distributed on two sides of the movable groove 23, and the size of the baffle plate 21 is larger than that of the movable groove 23. The cutting ferrule 2 ensures the rotational stability of the baffle 21.

The outer wall laminating of baffle 21 one side is fixed with first sealed 22 that fills up, and first sealed 22 contacts with taking off the round pin tower body 1. The first sealing gasket 22 ensures the sealing performance between the baffle plate 21 and the pin removal tower body 1, and achieves the purpose of shielding the movable groove 23.

A fixing block 24 is installed on one side of the outer wall of the lower end of the baffle plate 21, a bolt 25 is arranged inside the fixing block 24, and the fixing block 24 is connected with the pin removal tower body 1 through the bolt 25. Bolt 25 and fixed block 24 have reached the purpose of fixed stop 21, the positional stability of baffle 21 has been guaranteed, when needing to maintain, the staff takes the spanner and dismantles bolt 25, make baffle 21 break away from control, motor 29 drives baffle 21 and rotates, make baffle 21 be in the vertical state, make shunt tubes 13 and shower nozzle body 27 break away from mutually, thereby it rotates to movable groove 23 inside to drive backup pad 26, the staff of being convenient for maintains shower nozzle body 27, the maintenance efficiency of shower nozzle body 27 has been improved.

The working principle is as follows: when needing to maintain, the staff takes the spanner and dismantles bolt 25, makes baffle 21 break away from control, and motor 29 drives baffle 21 and rotates, makes baffle 21 be in the vertical state, makes shunt tubes 13 and shower nozzle body 27 break away from mutually to drive backup pad 26 and rotate to the movable groove 23 inside, the staff of being convenient for maintains shower nozzle body 27.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an accurate denitrification facility of cement kiln intelligence, includes and takes off pin tower body (1), cutting ferrule (2), baffle (21) and backup pad (26), its characterized in that: fixed plate (11) are installed to depoling tower body (1) inner wall one side, shunt tubes (13) are installed in the inside grafting of fixed plate (11), movable groove (23) have been seted up to depoling tower body (1) one side outer wall, depoling tower body (1) both sides outer wall all installs cutting ferrule (2), cutting ferrule (2) internal rotation installs baffle (21), baffle (21) run through cutting ferrule (2) one end outer wall and are provided with motor (29), backup pad (26) are installed to baffle (21) one side outer wall, backup pad (26) inside shower nozzle body (27) that are provided with the rectangle array and distribute.

2. The intelligent and accurate denitration device for the cement kiln, according to claim 1, is characterized in that: the split-flow tube (13) runs through the outer wall of one end of the pin removal tower body (1) and is provided with a liquid inlet tube (14) in an inserting mode, and an air outlet tube (12) is arranged on one side of the outer wall of the upper end of the pin removal tower body (1) in an inserting mode.

3. The intelligent and accurate denitration device for the cement kiln, according to claim 1, is characterized in that: the two clamping sleeves (2) are distributed on two sides of the movable groove (23), and the size of the baffle (21) is larger than that of the movable groove (23).

4. The intelligent and accurate denitration device for the cement kiln, according to claim 1, is characterized in that: baffle (21) one side outer wall laminating is fixed with first sealed pad (22), first sealed pad (22) contact with taking off round pin tower body (1).

5. The intelligent and accurate denitration device for the cement kiln, according to claim 1, is characterized in that: shower nozzle body (27) inner wall one side laminating is fixed with the sealed pad (28) of second, shunt tubes (13) one end outer wall is located shower nozzle body (27) inside, and shunt tubes (13) and the sealed pad (28) of second contact.

6. The intelligent and accurate denitration device for the cement kiln, according to claim 1, is characterized in that: fixed block (24) are installed to baffle (21) lower extreme outer wall one side, fixed block (24) inside is provided with bolt (25), and fixed block (24) are connected with out-of-stock tower body (1) through bolt (25).