CN208574463U - A kind of boiler flue spray ammonia system - Google Patents
A kind of boiler flue spray ammonia system Download PDFInfo
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- CN208574463U CN208574463U CN201821172706.6U CN201821172706U CN208574463U CN 208574463 U CN208574463 U CN 208574463U CN 201821172706 U CN201821172706 U CN 201821172706U CN 208574463 U CN208574463 U CN 208574463U
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- spray ammonia
- spray
- branch pipe
- ammonia
- flue
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Abstract
The utility model relates to a kind of boiler flues to spray ammonia system, the spray ammonia system includes spray ammonia general pipeline, the spray ammonia branch pipe being connected with spray ammonia general pipeline, along the spray ammonia general pipeline axial direction, it is provided with multiple spray ammonia branch pipes, the spray ammonia branch pipe is located at one end in flue and is provided with multiple spray eyes being connected with the spray ammonia branch pipe, and the spray ammonia branch pipe moves along its axial direction.When carrying out checking maintenance to spray ammonia system, spray ammonia branch pipe can be removed inside the boiler flue, the convenience and safety so that staff can carry out checking maintenance to spray ammonia system outside flue, when significant increase spray ammonia system checking maintenance.
Description
Technical field
The utility model relates to the out of stock technical fields of flue gas more particularly to a kind of boiler flue to spray ammonia system.
Background technique
Boiler of power plant flue spray ammonia system mostly uses fixed spray ammonia branch pipe spray ammonia system at present, which is running
In the process, when spraying the nozzle on ammonia branch pipe and blocking occurs when repairing, or being safeguarded to spray ammonia system, exist larger tired
Difficult and risk, main reason is that: flue is as confined space, when staff enters maintenance or maintenance, on the one hand, due to cigarette
A large amount of ammonias may have been retained in road, staff is easy to happen Ammonia toxicity event, on the other hand, and since flue is higher, work
Make personnel and there is the risk fallen.
The technical issues of current disclosed pertinent literature, solution, is mainly concentrated in the efficiency side for improving gametic fertility
Face.Patent document (publication number CN204768204U) discloses out of stock ammonia-spraying grid and the boiler smoke qi exhaustion using it in a kind of furnace
Nitre system discloses the technical solution for improving denitration efficiency；Patent document (publication number CN106731825A) discloses a kind of pot
Disturbed flow type ammonia-spraying grid in kiln gas denitrating system discloses the technical solution for promoting spray ammonia efficiency.But above-mentioned document is not
The technical solution of safety and convenience in terms of the open checking maintenance for how improving spray ammonia system.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of boiler flue spray ammonia system, the technical solution taken
It is as follows:
A kind of boiler flue provided by the utility model sprays ammonia system, and the spray ammonia system includes spray ammonia general pipeline, with spray ammonia
The spray ammonia branch pipe that general pipeline is connected is provided with multiple spray ammonia branch pipes, the spray ammonia branch along the spray ammonia general pipeline axial direction
One end that pipe is located in flue is provided with multiple spray eyes being connected with the spray ammonia branch pipe, and the spray ammonia branch pipe is along its axial direction side
It is removable upwards.
Preferably, the multiple spray ammonia branch pipe is in the same plane, the radial direction and the spray of the multiple spray ammonia branch pipe
The radial direction of ammonia general pipeline angle in 90 °.
Preferably, the spray ammonia system further includes communicating pipe, and the spray ammonia general pipeline is connected to by communicating pipe with spray ammonia branch pipe,
The communicating pipe can be mobile with spray ammonia branch pipe.
Preferably, the spray ammonia general pipeline is arranged outside boiler flue, and the spray ammonia branch pipe is located at the top of spray ammonia general pipeline
Or lower section.
Preferably, the flue sidewall that the spray ammonia branch pipe is passed through close to the spray side ammonia general pipeline gos deep into inside flue.
Preferably, the spray ammonia branch pipe is located at closed at one end inside flue.
Preferably, the spray eye uses honeycomb.
Preferably, the spray eye is axially in the setting of "-" type interval along spray ammonia branch pipe.
Preferably, the spray ammonia system further includes control mechanism, and the control mechanism is for controlling spray ammonia branch pipe along its axis
It is mobile to direction.
When spraying ammonia system normal operating conditions, the spray ammonia branch pipe is protruded into inside boiler flue, and the spray eye is in pot
Inside boiler tube road flue；
Spray ammonia system is when being in inspecting state, and to moving outside boiler flue, the spray eye is in the spray ammonia branch pipe
Outside boiler flue, easy access.
Due to the implementation of above technical scheme, the utility model has the advantages that compared with prior art
Flue provided by the utility model sprays ammonia system, is arranged to the knot that can be moved along the radial by that will spray ammonia branch pipe
Structure can remove spray ammonia branch pipe, so that staff can be with when carrying out checking maintenance to spray ammonia system out of boiler flue
Checking maintenance carried out to spray ammonia system outside flue, convenience and safety when significant increase spray ammonia system checking maintenance.
Detailed description of the invention
Fig. 1 is structural schematic diagram when spraying ammonia system normal operating conditions in embodiment 1.
Caption: 1, ammonia general pipeline is sprayed；2, ammonia branch pipe is sprayed；3, spray eye；4, communicating pipe；5, control mechanism；6, hole；7, flue；71
The first side wall；72, second sidewall
Specific embodiment
It is practical below in conjunction with this in order to make those skilled in the art more fully understand the technical solution of the utility model
Attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, institute
The embodiment of description is only the embodiment of the utility model a part, instead of all the embodiments.Based on the utility model
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
The range of the utility model protection all should belong in example.
Embodiment
As shown in Figure 1, boiler flue spray ammonia system includes spray ammonia general pipeline 1, it is connected by communicating pipe 4 with spray ammonia general pipeline 1
Spray ammonia branch pipe 2, spray the spray eye 3 that the one end flue 7 inside of ammonia branch pipe 2 is provided with sprays ammonia branch pipe 2 and be connected.The spray
The outside of 7 the first side wall 71 of flue is arranged in ammonia general pipeline 1, and the spray ammonia general pipeline 1 is arranged to parallel with the first side wall 71；The spray
Ammonia branch pipe 2 along spray ammonia general pipeline 1 radial direction be successively arranged side by side, it is described spray ammonia branch pipe 2 radial direction and spray ammonia general pipeline 1 radial direction at
The lower section of spray ammonia general pipeline 1 is arranged in 90 ° of angles, the spray ammonia branch pipe 2；The spray eye 3 is in a word along spray 2 radial direction of ammonia branch pipe
The setting of type interval, spacing distance and 3 size of spray eye can be adjusted according to actual use situation.
Preferably, the spray eye 3 uses cellular structure, and ammoniacal liquor can be sprayed into atomization shape water curtain by the spray eye of honeycomb style,
The contact area for increasing flue gas and ammonia, to improve denitration efficiency.Following table is to be sprayed using honeycomb spray eye and three ocular structures
The denitration effect contrast table of eye:
| Three ocular structure nozzles | Honeycomb nozzle | |
| Amount of nitrogen oxides | 100 milligrams/cubic metre | 40 milligrams/cubic metre |
Preferably, boiler flue spray ammonia system is provided with control mechanism 5, and the controllable spray ammonia branch pipe 2 of the control mechanism 5 exists
It is moved in the radial direction, and the communicating pipe 4 can be mobile with spray ammonia branch pipe 2.
The working method of flue spray ammonia system as shown in Figure 1 is as follows:
Under normal running conditions, flue is protruded into the hole 6 that the control spray ammonia branch pipe 2 of control mechanism 5 passes through on the side wall 71 of flue 7
Inside guarantees that spray ammonia branch pipe 2 is located at the second sidewall 72 that one end inside flue 7 does not contact flue 7；
Under the conditions of checking maintenance, the control spray ammonia branch pipe 2 of control mechanism 5 is radially mobile to 5 side of control mechanism, until spray ammonia
There is branch pipe 2 one end of spray eye 3 to remove completely from flue 7.
Above embodiments are described in detail the utility model, and its object is to allow the personage for being familiar with this field technology
The content of the utility model can be understood and be implemented, do not limited the protection scope of the present invention, all bases
Equivalent change or modification made by the Spirit Essence of the utility model should all cover within the protection scope of the present utility model.
Claims (10)
1. a kind of boiler flue sprays ammonia system, which is characterized in that the spray ammonia system includes spray ammonia general pipeline, is connected with spray ammonia general pipeline
Logical spray ammonia branch pipe is provided with multiple spray ammonia branch pipes along the spray ammonia general pipeline axial direction, and the spray ammonia branch pipe is located at cigarette
One end in road is provided with multiple spray eyes being connected with the spray ammonia branch pipe, and the spray ammonia branch pipe is removable along its axial direction
It is dynamic.
2. boiler flue as described in claim 1 sprays ammonia system, which is characterized in that the multiple spray ammonia branch pipe is in same flat
On face, the radial direction angle in 90 ° of the radial direction of the multiple spray ammonia branch pipe and the spray ammonia general pipeline.
3. boiler flue as claimed in claim 2 sprays ammonia system, which is characterized in that the spray ammonia system further includes communicating pipe,
The spray ammonia general pipeline is connected to by communicating pipe with spray ammonia branch pipe, and the communicating pipe can be mobile with spray ammonia branch pipe.
4. boiler flue as claimed in claim 3 sprays ammonia system, which is characterized in that the spray ammonia general pipeline is arranged in boiler flue
Outside, the spray ammonia branch pipe are located above or below spray ammonia general pipeline.
5. boiler flue as claimed in claim 4 sprays ammonia system, which is characterized in that the spray ammonia branch pipe passes through total close to spray ammonia
The flue sidewall of pipe side gos deep into inside flue.
6. boiler flue as claimed in claim 5 sprays ammonia system, which is characterized in that the spray ammonia branch pipe is located inside flue
It is closed at one end.
7. boiler flue as claimed in claim 6 sprays ammonia system, which is characterized in that the spray eye uses honeycomb.
8. boiler flue as claimed in claim 7 sprays ammonia system, which is characterized in that the spray eye is axial along the spray ammonia branch pipe
It is arranged in "-" type interval.
9. boiler flue as claimed in claim 7 sprays ammonia system, which is characterized in that the spray ammonia system further includes control machine
Structure, the control mechanism are moved for controlling spray ammonia branch pipe along its axial direction.
10. the boiler flue spray ammonia system stated such as claim 9 office, which is characterized in that
When spraying ammonia system normal operating conditions, the spray ammonia branch pipe is protruded into inside boiler flue, and the spray eye is in boiler tube
Inside road flue；
Spray ammonia system is when being in inspecting state, and for the spray ammonia branch pipe to moving outside boiler flue, the spray eye is in boiler
Outside flue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821172706.6U CN208574463U (en) | 2018-07-24 | 2018-07-24 | A kind of boiler flue spray ammonia system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821172706.6U CN208574463U (en) | 2018-07-24 | 2018-07-24 | A kind of boiler flue spray ammonia system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208574463U true CN208574463U (en) | 2019-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821172706.6U Active CN208574463U (en) | 2018-07-24 | 2018-07-24 | A kind of boiler flue spray ammonia system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108889106A (en) * | 2018-07-24 | 2018-11-27 | 玖龙纸业（太仓）有限公司 | A kind of boiler flue spray ammonia system |
-
2018
- 2018-07-24 CN CN201821172706.6U patent/CN208574463U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108889106A (en) * | 2018-07-24 | 2018-11-27 | 玖龙纸业（太仓）有限公司 | A kind of boiler flue spray ammonia system |
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