CN216987032U

CN216987032U - A pneumatic spray gun for PNCR denitrification facility

Info

Publication number: CN216987032U
Application number: CN202122319196.9U
Authority: CN
Inventors: 王志栋; 孟祥俊; 许海青; 赵亚维; 李朋飞; 郑长武; 赵瑞
Original assignee: Xinxiang Shouchuang Environmental Energy Co ltd
Current assignee: Xinxiang Shouchuang Environmental Energy Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-07-19
Anticipated expiration: 2031-09-24

Abstract

The utility model provides a pneumatic spray gun for a PNCR (pneumatic plasma reactor) denitration device, which belongs to the technical field of waste incineration flue gas denitration devices. This a pneumatic spray gun for PNCR denitrification facility, through the cooperation between actuating mechanism and the ejection mechanism, after the spray gun nozzle blocks up, utilize actuating mechanism to drive ejection mechanism motion, make ejection mechanism dredge the nozzle, easy operation is convenient, makes the nozzle keep good operating condition, is favorable to going on of denitration work.

Description

A pneumatic spray gun for PNCR denitrification facility

Technical Field

The utility model belongs to the technical field of waste incineration flue gas denitration devices, and particularly relates to a pneumatic spray gun for a PNCR denitration device.

Background

The constant polymer selective denitration (PNCR for short) is a novel technology for denitration of modern boiler flue gas in China, and is a technical scheme for upgrading and improving denitration and providing high efficiency, so that a series of technical problems brought by the traditional desulfurization and denitration method are solved. The solid powder material is directly sprayed into a hearth by a denitration spray gun, the spraying temperature window is 700-900 ℃, the chemical bond connecting amino and a polymer is broken at high temperature, a large amount of amino-containing energy groups are released, and the amino reacts with NOx in smoke to achieve the aim of removing NOx. The PNCR process is mainly characterized by simple process system, lower operation and maintenance cost, safe and convenient solid powder transportation and storage and high denitration rate.

Because PNCR denitrification facility's pneumatic spray gun carries out work in the flue gas pipeline of high temperature, long-time work back, the nozzle of spray gun blocks up easily to influence the normal blowout of denitrifier, can directly influence flue gas denitration's effect, the spray gun need be to its mediation after blockking up, the operation is wasted time and energy, and is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pneumatic spray gun for a PNCR (pneumatic negative pressure reactor) denitration device, and aims to solve the problem that the pneumatic spray gun for the PNCR denitration device in the prior art is inconvenient to dredge after being blocked.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a pneumatic spray gun for PNCR denitrification facility, includes the barrel, the one end fixedly connected with installation piece of barrel, movable sleeve has been cup jointed in the other end outside of barrel, movable sleeve's one end fixedly connected with tube head, the one end middle part of tube head is equipped with the nozzle, the one end that the barrel is close to the nozzle is equipped with ejection mechanism, one side that movable sleeve kept away from the tube head is equipped with actuating mechanism.

Preferably, the ejection mechanism comprises a fixed frame fixedly connected with the movable sleeve, one side of the fixed frame is fixedly connected with an installation plate, the middle part of one side of the installation plate is fixedly connected with an ejection column, and the size of the ejection column is matched with that of the nozzle.

Preferably, the mounting block is provided with a groove on the outer side.

Preferably, one side of the mounting block close to the movable sleeve is an arc-shaped surface.

Preferably, the driving mechanism includes an electric telescopic rod, a fixing plate is fixedly connected to the outer side of the gun barrel, one end of the electric telescopic rod is fixedly connected to the movable sleeve, and the other end of the electric telescopic rod is fixedly connected to the fixing plate.

Preferably, the outer side of the gun barrel is fixedly connected with a connecting plate, one side of the connecting plate is fixedly connected with a return spring, and one end of the return spring, which is far away from the connecting plate, is fixedly connected with the movable sleeve.

Preferably, the number of the return springs is two, the two return springs are symmetrically distributed, and the inside of each return spring is sleeved with a telescopic column.

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

1. this a pneumatic spray gun for PNCR denitrification facility, through the cooperation between actuating mechanism and the ejection mechanism, after the spray gun nozzle blocks up, utilize actuating mechanism to drive ejection mechanism motion, make ejection mechanism dredge the nozzle, easy operation is convenient, makes the nozzle keep good operating condition, is favorable to going on of denitration work.

2. This a pneumatic spray gun for PNCR denitrification facility sets up the recess through the one side with the mounting panel to the arcwall face and in its outside, reduces the influence of mounting panel to the denitrifier, makes the stable follow nozzle blowout of denitrifier.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the movable sleeve and the tip of the present invention;

FIG. 3 is a schematic view of the internal structure of the tube head according to the present invention.

In the figure: 1. a barrel; 2. an active cannula; 3. a pipe head; 4. a nozzle; 5. a fixing plate; 6. an electric telescopic rod; 7. a connecting plate; 8. a return spring; 9. a telescopic column; 10. mounting blocks; 11. a top pillar; 12. mounting a plate; 13. a fixing frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a pneumatic spray gun for PNCR denitrification facility, includes barrel 1, and the one end fixedly connected with installation piece 10 of barrel 1, movable sleeve 2 has been cup jointed in the other end outside of barrel 1, and movable sleeve 2's one end fixedly connected with tube head 3, the one end middle part of tube head 3 are equipped with nozzle 4, and the one end that barrel 1 is close to nozzle 4 is equipped with ejection mechanism, and one side that tube head 3 was kept away from to movable sleeve 2 is equipped with actuating mechanism.

In the specific embodiment of the utility model, when the nozzle 4 needs to be dredged, the driving mechanism drives the movable sleeve 2 to enable the tube head 3 and the nozzle 4 to move, so that the nozzle 4 is in contact with the ejection mechanism, the ejection mechanism is used for dredging the nozzle 4, the operation is simple and convenient, the spray gun can be cleaned without being disassembled, the time and the labor are saved, the nozzle 4 can keep a good working state, and the denitration operation is facilitated.

Specifically, the ejection mechanism comprises a fixed frame 13 fixedly connected with the movable sleeve 2, a mounting plate 12 is fixedly connected to one side of the fixed frame 13, a top column 11 is fixedly connected to the middle of one side of the mounting plate 12, and the size of the top column 11 is matched with that of the nozzle 4.

In this embodiment: the inside of the nozzle 4 is entered by the jack-up 11, and the inside of the nozzle is cleaned.

Specifically, a groove is formed on the outer side of the mounting block 10.

In this embodiment: through set up the recess in the outside of installation piece 10, reduce the volume of installation piece 10, reduce its influence that produces to denitrifier motion.

Specifically, one side of the mounting block 10 close to the movable sleeve 2 is an arc-shaped surface.

In this embodiment: through setting up one side of installing piece 10 into the arcwall face, the denitration agent of being convenient for from the surperficial landing of installing piece 10 prevents the denitration agent at one side accumulation of installing piece 10.

Specifically, actuating mechanism includes electric telescopic handle 6, the outside fixedly connected with fixed plate 5 of barrel 1, electric telescopic handle 6's one end and movable sleeve 2 fixed connection, electric telescopic handle 6's the other end and fixed plate 5 fixed connection.

In this embodiment: the movable sleeve 2 is driven by the electric telescopic rod 6 to move, so that the movable sleeve 2 moves relatively, and the nozzle 4 on one side of the tube head 3 is combined with the ejection mechanism on one end of the gun tube 1 to dredge the nozzle 4.

Specifically, the outside fixedly connected with connecting plate 7 of barrel 1, one side fixedly connected with reset spring 8 of connecting plate 7, one end and the movable sleeve 2 fixed connection that connecting plate 7 was kept away from to reset spring 8.

In this embodiment: through setting up reset spring 8, make nozzle 4 can reset rapidly after the mediation, resume normal operating condition.

Specifically, reset spring 8 has two, and two reset spring 8 are the symmetric distribution, and the telescopic column 9 has been cup jointed to reset spring 8's inside.

In this embodiment: through the reset spring 8 of symmetric distribution, make the atress of movable sleeve 2 one side more even, utilize flexible post 9 to lead reset spring 8, make its motion more steady.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pneumatic spray gun for PNCR denitrification facility, includes barrel (1), its characterized in that: the one end fixedly connected with installation piece (10) of barrel (1), movable sleeve (2) have been cup jointed in the other end outside of barrel (1), the one end fixedly connected with tube head (3) of movable sleeve (2), the one end middle part of tube head (3) is equipped with nozzle (4), the one end that barrel (1) is close to nozzle (4) is equipped with ejection mechanism, one side that tube head (3) were kept away from in movable sleeve (2) is equipped with actuating mechanism.

2. The pneumatic lance for PNCR denitration devices of claim 1, wherein: the ejection mechanism comprises a fixed frame (13) fixedly connected with the movable sleeve (2), a mounting plate (12) is fixedly connected to one side of the fixed frame (13), a top column (11) is fixedly connected to the middle of one side of the mounting plate (12), and the size of the top column (11) is matched with that of the nozzle (4).

3. A pneumatic lance for a PNCR denitration apparatus as claimed in claim 2, wherein: the outer side of the mounting block (10) is provided with a groove.

4. A pneumatic lance for PNCR denitration devices in accordance with claim 2, wherein: one side of the mounting block (10) close to the movable sleeve (2) is an arc-shaped surface.

5. A pneumatic lance for a PNCR denitration apparatus as claimed in claim 1, wherein: actuating mechanism includes electric telescopic handle (6), outside fixedly connected with fixed plate (5) of barrel (1), the one end and the movable sleeve pipe (2) fixed connection of electric telescopic handle (6), the other end and fixed plate (5) fixed connection of electric telescopic handle (6).

6. A pneumatic lance for a PNCR denitration apparatus as set forth in claim 5, wherein: the gun barrel is characterized in that a connecting plate (7) is fixedly connected to the outer side of the gun barrel (1), a return spring (8) is fixedly connected to one side of the connecting plate (7), and one end, far away from the connecting plate (7), of the return spring (8) is fixedly connected with the movable sleeve (2).

7. A pneumatic lance for a PNCR denitration apparatus as set forth in claim 6, wherein: reset spring (8) have two, two reset spring (8) are the symmetric distribution, telescopic column (9) have been cup jointed to the inside of reset spring (8).