CN217247944U

CN217247944U - Denitration SNCR device capable of uniformly spraying reducing agent

Info

Publication number: CN217247944U
Application number: CN202220344637.2U
Authority: CN
Inventors: 郑建祥; 琚惠彬
Original assignee: Changshan Jiangshanhu Cement Co ltd
Current assignee: Changshan Jiangshanhu Cement Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-08-23
Anticipated expiration: 2032-02-21

Abstract

The utility model discloses an evenly spray denitration SNCR device of reductant, including high temperature reaction cauldron, intake pipe and blast pipe of high temperature reaction cauldron lateral wall fixedly connected with, the intake pipe is located the blast pipe below, high temperature reaction cauldron is kept away from intake pipe one side lower extreme fixedly connected with booster pump, booster pump output fixedly connected with transfer line, the transfer line is kept away from booster pump one end and is passed the high temperature reaction cauldron bottom and be located high temperature reaction cauldron, the beneficial effects of the utility model are that: utilize the booster pump to pass through the transfer line with the reductant in the liquid storage ball cover to utilize telescopic rotation, drive the high-speed rotation of liquid storage ball cover, thereby can make the reductant evenly spout through atomizer under the effect of centrifugal force, avoid directly utilizing the booster pump as output power, water pressure difference about causing makes spun reductant appear the problem of concentration difference from top to bottom in high temperature reaction cauldron.

Description

Denitration SNCR device capable of uniformly spraying reducing agent

Technical Field

The utility model relates to a waste gas denitration technical field specifically is an evenly spray denitration SNCR device of reductant.

Background

The SNCR is a selective non-catalytic reduction, is carried out at high temperature, does not need a catalyst, and can greatly reduce the cost required by denitration.

In order to spray the reductant to high temperature reaction cauldron evenly, can utilize the booster pump to carry out the pressure boost to the reductant usually, thereby pass through the atomizer blowout of the reductant in the high temperature reaction cauldron, simultaneously for spun reductant is more even, the atomizer can be perpendicular evenly distributed in high temperature reaction cauldron usually, however because the perpendicular distribution of atomizer, can make the reductant when reacing the shower nozzle of co-altitude, corresponding change can appear in the water pressure, make the uneven condition of concentration about the reductant that the atomizer spun appears in high temperature reaction cauldron.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an evenly spray denitration SNCR device of reductant 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 evenly spray denitration SNCR device of reductant, includes high temperature reaction cauldron, intake pipe and blast pipe of high temperature reaction cauldron lateral wall fixedly connected with, the intake pipe is located the blast pipe below, high temperature reaction cauldron is kept away from intake pipe one side lower extreme fixedly connected with booster pump, booster pump output fixedly connected with transfer line, the transfer line is kept away from booster pump one end and is passed the high temperature reaction cauldron bottom and be located high temperature reaction cauldron, the high temperature reaction cauldron internal rotation is connected with the sleeve, the sleeve cup joints in the transfer line outside, be provided with spraying mechanism on the sleeve.

Preferably, the spraying mechanism includes driving motor and stock solution ball cover, driving motor fixed connection is in the high temperature reaction cauldron upper end, driving motor output and sleeve upper end fixed connection, the even fixed connection of stock solution ball cover is on the sleeve, the even fixedly connected with atomizer of stock solution ball cover lateral wall.

Preferably, a group of liquid discharge pipes are fixedly connected to the outer side of the sleeve and located in the center of the liquid storage ball sleeve, and liquid discharge holes are formed in the liquid conveying pipe and correspond to the liquid discharge pipes.

Preferably, the joint of the sleeve and the infusion tube is fixedly connected with a sealing bearing, and the sealing bearing is symmetrically distributed by taking the liquid discharge tube as a center.

Preferably, fixedly connected with support frame in the high temperature reaction cauldron, the support frame is close to one side mutually and all rotates and is connected with and rotates the cover, the sleeve pass rotate the cover and with rotate cover fixed connection, a set of support column of high temperature reaction cauldron lower extreme fixedly connected with.

Compared with the prior art, the beneficial effects of the utility model are that: utilize the booster pump to pass through the transfer line with the reductant and carry in the stock solution ball cover to utilize telescopic rotation, drive the high-speed rotation of stock solution ball cover, thereby can make the reductant evenly spout through atomizer under the effect of centrifugal force, avoid directly utilizing the booster pump as output power, water pressure difference about causing makes the spun reductant appear the problem of concentration difference about in high temperature reaction cauldron.

Drawings

FIG. 1 is a front sectional structure diagram of the present invention;

FIG. 2 is a front sectional structure diagram of the liquid storage ball sleeve of the present invention;

FIG. 3 is a schematic view of a top-down cutting structure of the liquid storage ball sleeve of the present invention;

fig. 4 is a schematic view of the overlooking and sectioning structure of the high-temperature reaction kettle of the utility model.

In the figure: 1. a high-temperature reaction kettle; 2. an air inlet pipe; 3. an exhaust pipe; 4. a booster pump; 5. a transfusion tube; 6. a sleeve; 7. a spraying mechanism; 71. a drive motor; 72. a liquid storage ball sleeve; 73. an atomizing spray head; 74. a liquid discharge pipe; 75. a liquid discharge hole; 76. sealing the bearing; 8. a support frame; 9. rotating the sleeve; 10. and (4) a support column.

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 an evenly spray denitration SNCR device of reductant, including high temperature reaction cauldron 1, intake pipe 2 and blast pipe 3 of 1 lateral wall fixedly connected with of high temperature reaction cauldron, intake pipe 2 is located blast pipe 3 below, high temperature reaction cauldron 1 keeps away from intake pipe 2 one side lower extreme fixedly connected with

booster pump

4, 4 output end fixedly connected with transfer line 5 of booster pump, transfer line 5 keeps away from 4 one end of booster pump and passes 1 bottom of high temperature reaction cauldron and be located high

temperature reaction cauldron

1, 1 internal rotation of high temperature reaction cauldron is connected with sleeve 6, sleeve 6 cup joints in the transfer line 5 outside, be provided with sprinkler mechanism 7 on sleeve 6, fixedly connected with support frame 8 in high temperature reaction cauldron 1, support frame 8 is close to one side mutually and all rotates and is connected with and rotates cover 9, sleeve 6 passes and rotates cover 9 fixed connection, 1 lower extreme fixedly connected with of high temperature reaction cauldron a set of support column 10.

The spraying mechanism 7 comprises a driving motor 71 and a liquid storage ball sleeve 72, the driving motor 71 is fixedly connected to the upper end of the high-temperature reaction kettle 1, the output end of the driving motor 71 is fixedly connected with the upper end of the sleeve 6, the liquid storage ball sleeve 72 is uniformly and fixedly connected to the sleeve 6, the outer side wall of the liquid storage ball sleeve 72 is uniformly and fixedly connected with an atomizing spray head 73, a group of liquid discharge pipes 74 are fixedly connected to the outer side of the sleeve 6 and are positioned at the center of the liquid storage ball sleeve 72, liquid discharge holes 75 are respectively formed in the infusion pipe 5 and correspond to the liquid discharge pipes 74, a sealing bearing 76 is fixedly connected to the joint of the sleeve 6 and the infusion pipe 5, the sealing bearings 76 are symmetrically distributed by taking the liquid discharge pipes 74 as the center, the sleeve 6 is driven to rotate by the output end of the driving motor 71, therefore, the liquid storage ball sleeve 72 can be driven to rotate, the reducing agent in the liquid storage ball sleeve 72 generates a larger centrifugal force, and finally the reducing agent can be atomized and sprayed out from the atomizing nozzle 73.

It is specific, use the utility model discloses the time, at first connect external power source with whole device, then open booster pump 4, make the reductant can get into in the sleeve 6 through transfer line 5, and store in getting into stock solution ball cover 72 through fluid-discharge tube 74, open driving motor 71 simultaneously, make driving motor 71 output drive sleeve 6 rotate, thereby can drive stock solution ball cover 72 and rotate, make the reductant in the stock solution ball cover 72 produce great centrifugal force, finally can make the reductant follow atomizer 73 atomizing blowout, utilize centrifugal force to carry out spraying of reductant, solved because hydraulic problem causes the reductant uneven condition of distribution in high temperature reaction cauldron 1.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying any number of indicated technical features, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 an evenly spray denitration SNCR device of reductant, a serial communication port, including high temperature reaction cauldron (1), intake pipe (2) and blast pipe (3) of high temperature reaction cauldron (1) lateral wall fixedly connected with, intake pipe (2) are located blast pipe (3) below, intake pipe (2) one side lower extreme fixedly connected with booster pump (4) are kept away from in high temperature reaction cauldron (1), booster pump (4) output end fixedly connected with transfer line (5), booster pump (4) one end is kept away from in transfer line (5) and is passed high temperature reaction cauldron (1) bottom and be located high temperature reaction cauldron (1), high temperature reaction cauldron (1) internal rotation is connected with sleeve (6), sleeve (6) cup joint in transfer line (5) outside, be provided with sprinkling mechanism (7) on sleeve (6).

2. The SNCR apparatus for denitration by uniformly spraying a reducing agent according to claim 1, wherein: spraying mechanism (7) include driving motor (71) and stock solution ball cover (72), driving motor (71) fixed connection is in high temperature reaction cauldron (1) upper end, driving motor (71) output and sleeve (6) upper end fixed connection, the even fixed connection of stock solution ball cover (72) is on sleeve (6), the even fixedly connected with atomizer (73) of stock solution ball cover (72) lateral wall.

3. The SNCR apparatus for denitration by uniformly spraying a reducing agent according to claim 1, wherein: a group of liquid discharge pipes (74) are fixedly connected to the outer side of the sleeve (6) and located in the center of the liquid storage ball sleeve (72), and liquid discharge holes (75) are formed in the infusion pipe (5) and correspond to the liquid discharge pipes (74).

4. The SNCR apparatus for denitration by uniformly spraying a reducing agent according to claim 1, wherein: the joint of the sleeve (6) and the infusion tube (5) is fixedly connected with a sealing bearing (76), and the sealing bearing (76) is symmetrically distributed by taking the liquid discharge tube (74) as a center.

5. The SNCR apparatus for denitration by uniformly spraying a reducing agent according to claim 1, wherein: fixedly connected with support frame (8) in high temperature reaction cauldron (1), support frame (8) are close to one side mutually and all rotate and are connected with and rotate cover (9), sleeve (6) pass rotate cover (9) and with rotate cover (9) fixed connection, a set of support column (10) of high temperature reaction cauldron (1) lower extreme fixedly connected with.