CN208928439U

CN208928439U - A kind of SNCR automatic telescopic spray gun tube socket of anti-gray

Info

Publication number: CN208928439U
Application number: CN201821625623.8U
Authority: CN
Inventors: 章新伟; 肖惠娥
Original assignee: Shanghai Gehope Environmental Protection Co Ltd
Current assignee: Shanghai Gehope Environmental Protection Co Ltd
Priority date: 2018-09-29
Filing date: 2018-09-29
Publication date: 2019-06-04
Anticipated expiration: 2028-09-29

Abstract

The utility model relates to a kind of SNCR automatic telescopic spray gun tube sockets of anti-gray, including tube socket casing, the tube socket casing includes the first tube socket casing, and spray gun may pass through the first tube socket casing and protrude into stove, and there are gaps between the spray gun and the first tube socket casing；The external primary air piping in side of the first tube socket casing, the primary air piping is connected to the first tube socket casing, and the utility model solves in the prior art due to being the technical issues of high-temperature dust-containing flue gas makes the gap between spray gun casing and tube socket that can cause spray gun that can not automatically exit from by dust blocking after longtime running in furnace.

Description

A kind of SNCR automatic telescopic spray gun tube socket of anti-gray

Technical field

The utility model relates to SNCR automatic telescopic spray gun tube socket, in particular to the SNCR automatic telescopic spray guns of a kind of anti-gray Tube socket.

Background technique

At present in SNCR denitration application, many places lead to the change in temperature field in stove in view of the variation of stove load It is dynamic, therefore require spray gun to configure auto-telescopic mechanism when setting spray gun, to ensure the SNCR spray of the different location in different load Rifle can put into operation, and the SNCR spray gun in other regions is practicable automatically exits to protect spray gun itself.But due to containing in furnace for high temperature Cloud of dust gas, so that the gap between spray gun casing and tube socket can cause spray gun not move back automatically after longtime running by dust blocking Out, spray gun itself is damaged while increasing maintenance amount.

Utility model content

The purpose of this utility model is to provide a kind of SNCR automatic telescopic spray gun tube sockets of anti-gray, to solve the prior art In due to being that high-temperature dust-containing flue gas block the gap between spray gun casing and tube socket can by dust after longtime running in furnace The technical issues of causing spray gun that can not automatically exit from.

To solve the above-mentioned problems, the utility model provides a kind of SNCR automatic telescopic spray gun tube socket of anti-gray, including Tube socket casing, the tube socket casing include the first tube socket casing, and spray gun may pass through the first tube socket casing and protrude into stove, institute State between spray gun and the first tube socket casing that there are gaps；The external primary air piping in side of the first tube socket casing, it is described Primary air piping is connected to the first tube socket casing.

Preferably, the tube socket casing further includes the second header casing, the second header casing can be with first pipe Cover for seat pipe is fixedly connected；

When the spray gun is installed, the spray gun sequentially passes through the second header casing and the first tube socket casing, and described the Pass through setting high temperature resistant filler and the spray gun dynamic sealing in two tube socket casings.

Preferably, the rear end internal screw thread connection one of the second header casing ensures that spray gun is in the tube socket casing axis The clamp nut of position.

Preferably, the rear end of the first tube socket casing is fixedly connected with a first flange, before the second header casing End is fixedly connected with a second flange, and the first flange can be fixedly connected with the second flange.

Preferably, when the first tube socket casing is fixedly connected with the second header casing, the first tube socket casing and Two tube socket casings are coaxial.

Preferably, the outer wall of the first tube socket casing is equipped with transverse bar plate and vertical bar plate, the transverse bar plate and vertical bar plate with The outer wall of stove is fixedly connected.

Compared with prior art, there are following technical effects for the utility model:

The utility model provides a kind of SNCR automatic telescopic spray gun tube socket of anti-gray, because it introduces a cold wind and in spray gun Certain pressure is kept between casing, to prevent the entrance of dust, so that SNCR automatic telescopic spray gun really realizes automatic telescopic.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, it is therefore apparent that and the drawings in the following description are merely some embodiments of the present invention, For those skilled in the art, without creative efforts, other be can also be obtained according to these attached drawings Attached drawing.In attached drawing:

Fig. 1 is a kind of view one of the SNCR automatic telescopic spray gun tube socket of anti-gray of the utility model；

Fig. 2 is a kind of view two of the SNCR automatic telescopic spray gun tube socket of anti-gray of the utility model.

Specific embodiment

Below with reference to Fig. 1 to Fig. 2 to a kind of SNCR automatic telescopic spray gun tube socket of anti-gray provided by the utility model into The detailed description of row, the present embodiment are implemented under premised on technical solutions of the utility model, give detailed implementation Mode and specific operating process, but the protection scope of the utility model is not limited to the following embodiments, those skilled in the art In the range of not changing the spirit of the present invention and content, can it be modified and be polished.

Please refer to Fig. 1 and Fig. 2, a kind of SNCR automatic telescopic spray gun tube socket of anti-gray, including tube socket casing, this tube socket casing Including two parts, i.e. the first tube socket casing 3 and the second header casing 5, when in use, the first tube socket casing 3 and the second header set Pipe 5 is stationarily connected to together, and when spray gun 8 is installed, spray gun 8 sequentially passes through the second header casing 5 and the first tube socket casing 3 is stretched Enter inside stove.

In the present embodiment, due to the relationship of 8 dead weight of automatic telescopic spray gun, two are welded on the first tube socket casing 3 A transverse bar plate 1 and two vertical bar plates 2, transverse bar plate 1 and vertical bar plate 2 are welded to boiler casing, to ensure that tube socket casing 3 can be to Automatic telescopic spray gun 8 provides enough supports, when automatic telescopic spray gun 8 is protruded into inside stove by the first tube socket casing 3, in order to Guarantee that spray gun 8 is flexible smoothly, there are certain intervals between 8 outer wall of automatic telescopic spray gun and tube socket casing 3.

In the present embodiment, when spray gun 8 is installed, the spray gun 8 sequentially passes through the second header casing 5 and the first tube socket Casing 3 stretches in stove, by setting high temperature resistant filler 6 and 8 dynamic sealing of spray gun in the second header casing 5, really Spray gun 8 can high-temperature dusty gas will not escape guarantor in burner hearth under the premise of free extension (disengaging) under external cylinder action.? In the present embodiment, high temperature resistant filler 6 is fixed on 5 inner ring of the second header casing.

In order to ensure spray gun 8 and tube socket casing 3 are on same axis (i.e. spray gun 8 be located at tube socket casing 3 axle center), the The rear end internal screw thread connection one of two tube socket casings 5 ensures that spray gun 8 is in the clamp nut 7 of the center of the tube socket casing 3.

In the present embodiment, the rear end of the first tube socket casing 3 is fixedly connected with a first flange 4, the second header The front end of casing 5 is fixedly connected with a second flange 10, and the first flange 4 can be fixedly connected with the second flange 10, and first Flange 4 can be by welding or being bolted with second flange 10, the present embodiment preferred bolt connection, convenient for detachable.

Further, when the first tube socket casing 3 is fixedly connected with the second header casing 5, the first tube socket casing 3 and the second pipe Cover for seat pipe 5 is coaxial, also, the outer diameter of the second header casing 5 is greater than the outer diameter of the first tube socket casing 3, the second header casing 5 it is interior For diameter less than the internal diameter of the first tube socket casing 3, purpose ensures that spray gun 8 is located at the axle center of tube socket casing 3 and ensures that spray gun 8 can be external High-temperature dusty gas will not escape in burner hearth under the premise of free extension (disengaging) under cylinder action.

When installing and using, the front end of the first tube socket casing 3 is welded on stove outer wall the utility model, and spray gun 8 is successively It is stretched in stove across the second header casing 5 and the first tube socket casing 3.When spray gun 8 is run, high-temperature flue gas can be from spray gun Gap between 3 inner wall of 8 outer walls and the first tube socket casing enters, and dust therein will cause 8 bite of spray gun and be unable to run, and be Ensure that the gap between 8 outer wall of automatic telescopic spray gun and the first tube socket casing 3 stretches to spray gun 8 without dust and cause bite, first External primary air piping 9 on tube socket casing 3 draws at Cong Yici cool air hose 9 and connects between enough cold wind (room temperature, about 5KPa) enter Gap makes to prevent dust in flue gas full of cold First air in gap and enter gap, ensure that the expanding-contracting action of automatic telescopic spray gun is suitable Freely.The anti-gray protecting effect of the spray gun tube socket is excellent, can ensure that SNCR automatic telescopic spray gun automatic telescopic is smooth completely, subtracts significantly Few maintenance load simultaneously ensures spray gun not by high-temperature damage.

Disclosed above is only the specific embodiment of the application, and however, this application is not limited to this, any this field Technical staff can think variation, should all fall in the protection domain of the application.

Claims

1. a kind of SNCR automatic telescopic spray gun tube socket of anti-gray, which is characterized in that including tube socket casing, the tube socket casing includes First tube socket casing, spray gun may pass through the first tube socket casing and protrude into stove, the spray gun and the first tube socket casing Between there are gaps；The external primary air piping in side of the first tube socket casing, the primary air piping and first base sleeve Pipe connection.

2. a kind of SNCR automatic telescopic spray gun tube socket of anti-gray as described in claim 1, which is characterized in that the tube socket casing It further include the second header casing, the second header casing can be fixedly connected with the first tube socket casing；

When the spray gun is installed, the spray gun sequentially passes through the second header casing and the first tube socket casing, second pipe Pass through setting high temperature resistant filler and the spray gun dynamic sealing in cover for seat pipe.

3. a kind of SNCR automatic telescopic spray gun tube socket of anti-gray as claimed in claim 2, which is characterized in that the second header The rear end internal screw thread connection one of casing ensures that spray gun is in the clamp nut of the tube socket casing shaft core position.

4. a kind of SNCR automatic telescopic spray gun tube socket of anti-gray as claimed in claim 2, which is characterized in that first tube socket The rear end of casing is fixedly connected with a first flange, and the front end of the second header casing is fixedly connected with a second flange, and described One flange can be fixedly connected with the second flange.

5. a kind of SNCR automatic telescopic spray gun tube socket of anti-gray as claimed in claim 2, which is characterized in that first tube socket When casing is fixedly connected with the second header casing, the first tube socket casing and the second header casing are coaxial.

6. a kind of SNCR automatic telescopic spray gun tube socket of anti-gray as described in claim 1, which is characterized in that first tube socket The outer wall of casing is equipped with transverse bar plate and vertical bar plate, and the transverse bar plate and vertical bar plate are fixedly connected with the outer wall of stove.