CN208627647U - A kind of protection sleeve pipe of spray gun tail end - Google Patents
A kind of protection sleeve pipe of spray gun tail end Download PDFInfo
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- CN208627647U CN208627647U CN201820641597.1U CN201820641597U CN208627647U CN 208627647 U CN208627647 U CN 208627647U CN 201820641597 U CN201820641597 U CN 201820641597U CN 208627647 U CN208627647 U CN 208627647U
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- sleeve pipe
- protection sleeve
- spray gun
- tail end
- utility
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Abstract
The utility model provides a kind of protection sleeve pipe of spray gun tail end, and the protection sleeve pipe is connected with the spray gun, the protection sleeve pipe is fixed on the spray gun.According to the protection sleeve pipe of spray gun tail end provided by the utility model, be conducive to the disassembly and replacement that carry out spray gun.
Description
Technical field
The utility model relates to field of waste incineration, and specifically, the utility model relates to a kind of protective cases of spray gun tail end
Pipe.
Background technique
With the worsening of ecological environment, one of the problem of being treated as extensive concern of rubbish.In waste incineration
Cheng Zhonghui generation contains NOx、SO2, the harmful substances such as HCl flue gas, need to handle the flue gas, can be arranged after up to standard
It puts.NOxProcessing mode mainly has: selective non-catalytic reduction method (SNCR) and selective catalytic reduction (SCR).
SNCR technology be not necessarily to catalyst, by reactant under the conditions of high temperature (850 DEG C -1050 DEG C) with NOxReaction can take off
Denitrification.SNCR flue gas denitrification system generally by reactant stocking system, transportation system, distribution system, spraying system, from
Autocontrol system composition.Delivery pump by reaction solution such as ammonium hydroxide, urea from stocking system extraction be delivered to mixed allocation module into
Row distribution；Most SNCR systems are mixed equipped with dilution water with reaction solution；Distribution system evenly distributes solution to each spray gun
Pipeline is finally delivered to spray gun and sprays into burner hearth.Spray gun is SNCR reaction capital equipment, general using double-current spray gun body, passes through pressure
Ammonium hydroxide or urea liquid are atomized into droplet and sprayed into burner hearth by contracting air to react.Protection sleeve pipe can protect spray gun tail end, slow down
Nozzle is by the ablation and blockage of high-temperature flue gas.
Common protection sleeve pipe is directly anchored on water-cooling wall by welding, or is fixed on hold-down support using flange etc.
Or on spray gun outer cover, spray gun protrudes into furnace high-temperature area by the protection sleeve pipe.The length of protection sleeve pipe can not be goed deep into spray gun
The length of burner hearth and change, therefore cannot play a very good protection to spray gun tail end.Simultaneously because in-furnace temperature is high, dust
Greatly, flue gas corrosion is strong, although spray gun uses corrosion-and high-temp-resistant material, it is still necessary to it is carried out to inspect periodically replacement, and
High temperature and dust are easy to cause between spray gun and protection sleeve pipe, blocking is even sintered between protection sleeve pipe and water-cooling wall, are unfavorable for
Carry out the operations such as inspection and the disassembly of spray gun.
Therefore, it is necessary to a kind of new spray gun tail end protection sleeve pipe be proposed, to solve the above problems.
Utility model content
A series of concept of reduced forms is introduced in utility model content part, this will be in specific embodiment part
Middle further description.The utility model content part of the utility model is not meant to attempt to limit claimed
Technical solution key feature and essential features, do not mean that the guarantor for attempting to determine technical solution claimed more
Protect range.
The utility model provides a kind of protection sleeve pipe of spray gun tail end, and the protection sleeve pipe is connected with the spray gun, with
The protection sleeve pipe is fixed on the spray gun.
Further, the protection sleeve pipe is threadedly coupled with the spray gun.
Further, the protection sleeve pipe is provided with internal screw thread, and the spray gun tail end is provided with external screw thread.
Further, the material of the protection sleeve pipe includes silicon carbide.
Further, the edge of the protection sleeve pipe is concordant with the spray gun aft edge.
Further, the length range of the protection sleeve pipe is 90mm-110mm.
Further, aperture is provided on water-cooling wall, the overall diameter of the protection sleeve pipe is less than the diameter of water-cooling wall aperture.
Further, the overall diameter range of the protection sleeve pipe is 19mm-26mm.
Further, the spray gun is using double-current spray gun body, with the reducing agent of the jet atomization into burner hearth.
Further, the spray gun is located in spray gun outer cover, and the spray gun outer cover is fixed on the water cooling by hold-down support
On wall.
Had according to the protection sleeve pipe of spray gun tail end provided by the utility model by the way that protection sleeve pipe to be fixed on spray gun
Conducive to the disassembly and replacement for carrying out spray gun.
Detailed description of the invention
The following drawings of the utility model is used to understand the utility model in this as a part of the utility model.Attached drawing
In show the embodiments of the present invention and its description, for explaining the device and principle of the utility model.In the accompanying drawings,
Fig. 1 is the schematic diagram of the spray gun tail end protection sleeve pipe of the utility model；
Fig. 2 is the sectional view of the spray gun tail end protection sleeve pipe of the utility model.
Attached drawing mark
1, protection sleeve pipe 2, spray gun 3, water cooling tube
4, water-cooling wall 5, hold-down support 6, spray gun outer cover
Specific embodiment
In the following description, a large amount of concrete details are given more thoroughly to manage in order to provide to the utility model
Solution.It is, however, obvious to a person skilled in the art that the utility model may not need it is one or more of these thin
It saves and is carried out.In other examples, in order to avoid obscuring with the utility model, for more well known in the art
Technical characteristic is not described.
In order to thoroughly understand the utility model, detailed step will be proposed in following description, it is practical to illustrate
The protection sleeve pipe of the spray gun tail end of novel proposition.Obviously, the execution of the utility model is not limited to those skilled in the art
The specific details being familiar with.The preferred embodiment of the utility model is described in detail as follows, however other than these detailed descriptions, this
Utility model can also have other embodiments.
It should be understood that when the term " comprising " and/or " including " is used in this specification, indicating described in presence
Feature, entirety, step, operation, element and/or component, but do not preclude the presence or addition of other one or more features, entirety,
Step, operation, element, component and/or their combination.
Common protection sleeve pipe is directly anchored on water-cooling wall by welding, or is fixed on hold-down support using flange etc.
Or on spray gun outer cover, spray gun protrudes into furnace high-temperature area by the protection sleeve pipe.The length of protection sleeve pipe can not be goed deep into spray gun
The length of burner hearth and change, therefore cannot play a very good protection to spray gun tail end.Simultaneously because in-furnace temperature is high, dust
Greatly, flue gas corrosion is strong, although spray gun uses corrosion-and high-temp-resistant material, it is still necessary to it is carried out to inspect periodically replacement, and
High temperature and dust are easy to cause between spray gun and protection sleeve pipe, blocking is even sintered between protection sleeve pipe and water-cooling wall, are unfavorable for
Carry out the operations such as inspection and the disassembly of spray gun.
In view of the above-mentioned problems, the utility model provides a kind of protection sleeve pipe of spray gun tail end, with reference to the accompanying drawing to institute
The method of stating is described further.
As depicted in figs. 1 and 2, the protection sleeve pipe 1 is threadedly coupled with the spray gun 2, and the protection sleeve pipe 1 is fixed
On the spray gun 2.
Firstly, referring to Fig.1, heat absorption wall, the heat absorption wall are provided in SNCR flue gas denitrification system, outside waste heat boiler
It is made of multiple water cooling tubes 3, is connected between the multiple water cooling tube 3 by water-cooling wall 4, be provided with aperture on the water-cooling wall 4, spray
Rifle 2 protrudes into burner hearth by the aperture, and reducing agent is sprayed into burner hearth.In the present embodiment, the spray gun 2 uses two-fluid
Spray gun, with the reducing agent of the jet atomization into burner hearth, the reducing agent includes ammonium hydroxide, urea etc., and reducing agent is under the high temperature conditions
(850 DEG C -1050 DEG C) are reacted with the NOx in flue gas generates free of contamination N2, the reaction is without catalyst.
Illustratively, spray gun 2 is located in spray gun outer cover 5, and the spray gun outer cover 6 is fixed on the water by hold-down support 5
In cold wall 4.Specifically, hold-down support 5 is detachably connected by connection bolt with spray gun outer cover 6, and hold-down support 5 passes through welding
It is fixed on the water-cooling wall 4.
Further, it is provided with through-hole on the hold-down support 5, so that spray gun 2 protrudes into burner hearth via through-hole.
Protection sleeve pipe 1 is connected with spray gun 2, and the protection sleeve pipe 1 is fixed on the spray gun 2.By that will protect
Casing 1 is fixed on spray gun 2, and protection sleeve pipe is no longer connected with water-cooling wall 4, hold-down support 5 or spray gun outer cover 6, is being needed
When carrying out demolition and replacement to spray gun, spray gun 2 can be taken out together together with protection sleeve pipe 1, be conducive to carry out spray gun 2 and protected
The disassembly and replacement of protecting pipe 1.
Illustratively, the material of the protection sleeve pipe 1 uses the material of corrosion-and high-temp-resistant, such as silicon carbide.
As shown in Fig. 2, the protection sleeve pipe 1 is threadedly coupled with the spray gun 2, the protection sleeve pipe 1 is provided with internal screw thread,
2 tail end of spray gun is provided with external screw thread.In the prior art, since protection sleeve pipe 1 is fixed at water-cooling wall 4 or fixed branch
On seat 5, length can not go deep into the length of burner hearth with spray gun 2 and change: when protection sleeve pipe 1 is too long, influence spray gun 2 to burner hearth
The atomizing effect of interior injection reducing agent；And when protection sleeve pipe 1 is too short, then 2 tail end of spray gun can not be effectively protected.Cause
This, the utility model can remain that the edge of protection sleeve pipe 1 is concordant with 2 aft edge of spray gun by using threaded connection,
It will not influence the atomizing effect of reducing agent；Cause protection sleeve pipe 1 to shorten if the tail end of protection sleeve pipe 1 is burnt out, rotation can be passed through
Protection sleeve pipe 1 keeps its tail end concordant with 2 tail end of spray gun always, to reach protecting effect.As an example, the protection sleeve pipe
1 length range is 90mm-110mm, and overall diameter range is 19mm-26mm, and wherein the range of 1 overall diameter of protection sleeve pipe is less than water
The diameter range of aperture in cold wall 4.
Had according to the protection sleeve pipe of spray gun tail end provided by the utility model by the way that protection sleeve pipe to be fixed on spray gun
Protection sleeve pipe is remained by the way that protection sleeve pipe to be connect with spray gun threads conducive to the disassembly and replacement for carrying out spray gun
Edge is concordant with spray gun aft edge, to protect to spray gun tail end.
The utility model is illustrated through the foregoing embodiment, but it is to be understood that, above-described embodiment is
Purpose for illustrating and illustrating, and be not intended to limit the invention within the scope of described embodiment.Furthermore ability
Field technique personnel are it is understood that the utility model is not limited to above-described embodiment, and introduction according to the present utility model is also
More kinds of variants and modifications can be made, these variants and modifications all fall within the utility model range claimed with
It is interior.The protection scope of the utility model is defined by the appended claims and their equivalents.
Claims (10)
1. a kind of protection sleeve pipe of spray gun tail end, which is characterized in that the protection sleeve pipe is connected with the spray gun, will be described
Protection sleeve pipe is fixed on the spray gun.
2. protection sleeve pipe as described in claim 1, which is characterized in that the protection sleeve pipe is threadedly coupled with the spray gun.
3. protection sleeve pipe as claimed in claim 2, which is characterized in that the protection sleeve pipe is provided with internal screw thread, the spray gun
Tail end is provided with external screw thread.
4. protection sleeve pipe as described in claim 1, which is characterized in that the material of the protection sleeve pipe includes silicon carbide.
5. protection sleeve pipe as claimed in claim 2, which is characterized in that the edge of the protection sleeve pipe and spray gun tail end side
Edge is concordant.
6. protection sleeve pipe as described in claim 1, which is characterized in that the length range of the protection sleeve pipe is 90mm-
110mm。
7. protection sleeve pipe as described in claim 1, which is characterized in that aperture is provided on water-cooling wall, the protection sleeve pipe
Overall diameter is less than the diameter of water-cooling wall aperture.
8. protection sleeve pipe as claimed in claim 7, which is characterized in that the overall diameter range of the protection sleeve pipe is 19mm-
26mm。
9. protection sleeve pipe as claimed in claim 5, which is characterized in that the spray gun is using double-current spray gun body, into burner hearth
The reducing agent of jet atomization.
10. protection sleeve pipe as claimed in claim 7, which is characterized in that the spray gun is located in spray gun outer cover, outside the spray gun
Cover is fixed on the water-cooling wall by hold-down support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820641597.1U CN208627647U (en) | 2018-04-28 | 2018-04-28 | A kind of protection sleeve pipe of spray gun tail end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820641597.1U CN208627647U (en) | 2018-04-28 | 2018-04-28 | A kind of protection sleeve pipe of spray gun tail end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208627647U true CN208627647U (en) | 2019-03-22 |
Family
ID=65733102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820641597.1U Active CN208627647U (en) | 2018-04-28 | 2018-04-28 | A kind of protection sleeve pipe of spray gun tail end |
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| Country | Link |
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| CN (1) | CN208627647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111410253A (en) * | 2020-03-12 | 2020-07-14 | 浙江浩普环保工程有限公司 | Desulfurization wastewater concentrated solution atomization device and atomization anti-blocking method |
-
2018
- 2018-04-28 CN CN201820641597.1U patent/CN208627647U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111410253A (en) * | 2020-03-12 | 2020-07-14 | 浙江浩普环保工程有限公司 | Desulfurization wastewater concentrated solution atomization device and atomization anti-blocking method |
| CN111410253B (en) * | 2020-03-12 | 2022-05-17 | 浙江浩普环保工程有限公司 | Desulfurization wastewater concentrated solution atomization device and atomization anti-blocking method |
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