CN207922267U - A kind of list boiler pressure-bearing type traveling-grate stoker spray denitration corner tube boiler - Google Patents
A kind of list boiler pressure-bearing type traveling-grate stoker spray denitration corner tube boiler Download PDFInfo
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- CN207922267U CN207922267U CN201721851808.6U CN201721851808U CN207922267U CN 207922267 U CN207922267 U CN 207922267U CN 201721851808 U CN201721851808 U CN 201721851808U CN 207922267 U CN207922267 U CN 207922267U
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- boiler
- denitration
- grate stoker
- sedimentation separation
- traveling
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Abstract
The utility model discloses a kind of single boiler pressure-bearing type traveling-grate stokers to spray denitration corner tube boiler, including boiler, denitration spray tube, water-cooling wall, furnace chamber, traveling-grate stoker, upper sedimentation separation room, lower sedimentation separation chamber, shell and electric-controlled plate, the shell is internally provided with boiler, it is connected with water inlet pipe on the downside of the boiler, it is provided with water-cooling wall on the outside of the water inlet pipe, the water-cooling wall is internally provided with furnace chamber, the inside of the furnace chamber is fixed with traveling-grate stoker, the chain fire-gate top is provided with denitration nozzle, sedimentation separation room is provided with above the denitration nozzle, the lower right-hand side of the upper sedimentation separation room is provided with lower sedimentation separation chamber, the surface of the shell is equipped with electric-controlled plate.Fair current is contacted after the denitrfying agent elder generation adverse current that the utility model is ejected by the smoke outlet of furnace chamber with denitration nozzle, is detached expansion chamber in denitration Sproy cyclone, is completed denitrating flue gas depositing dust and detach infall process, reduce discharged nitrous oxides, energy conservation and environmental protection.
Description
Technical field
The utility model is related to boiler technology field, specifically a kind of list boiler pressure-bearing type traveling-grate stoker sprays denitration cornue
Boiler.
Background technology
It is well known that current corner tube boiler structure is to arrange that the down-comer that four are not heated is used as branch around boiler body
Support, furnace chamber exiting flue gas directly wash away Flag pattern heat surface coiled pipe, and serious wear, without expansion chamber, dust cannot settle, and are heated
Face is few, and service life is low, and maintenance rate is high, increases use cost, as national environmental protection policy is increasingly stringent, well known corner tube boiler
Emission request of the country about emission standard of air pollutants for boilers cannot be met, discharged nitrous oxides concentration is high, pollutes environment,
Therefore, how to solve boiler does not have an expansion chamber and ash fall, and solves that heating surface area is small, and furnace chamber exiting flue gas does not rush directly
Brush Flag pattern heat surface coiled pipe reduces abrasion, and prolonged boiler service life reduces maintenance frequency, reduces use cost, in addition,
Denitration in Boiler is solved, discharged nitrous oxides are reduced, energy conservation and environmental protection etc. has become problem in the urgent need to address at present.
Utility model content
The purpose of this utility model is to provide a kind of single boiler pressure-bearing type traveling-grate stokers to spray denitration corner tube boiler, with solution
Certainly the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions：A kind of list boiler pressure-bearing type traveling-grate stoker spray
Drench denitration corner tube boiler, including boiler, denitration spray tube, water inlet pipe, water-cooling wall, furnace chamber, traveling-grate stoker, upper sedimentation separation room,
Lower sedimentation separation chamber, outlet pipe, shell and electric-controlled plate, the shell are internally provided with boiler, the downside connection of the boiler
Have water inlet pipe, be provided with water-cooling wall on the outside of the water inlet pipe, the water-cooling wall is internally provided with furnace chamber, the furnace chamber it is interior
Portion is fixed with traveling-grate stoker, and the traveling-grate stoker top is fixed with denitration spray tube through two wall of furnace chamber, described chain fire-gate
Top is provided with denitration nozzle, and sedimentation separation room, the right side of the upper sedimentation separation room are provided with above the denitration nozzle
Side-lower is provided with lower sedimentation separation chamber, and the surface of the shell is equipped with electric-controlled plate.
Preferably, smoke outlet is offered above the upper sedimentation separation room.
Preferably, outlet pipe is provided on the right side of the lower sedimentation separation chamber, and the top side of the outlet pipe and boiler connects
It connects.
Preferably, observation window is offered below the electric-controlled plate.
Preferably, it is fixed with below the observation window and throws coal baffle, and the throwing coal baffle is flexibly connected with shell.
Compared with prior art, the utility model has the beneficial effects that：The utility model is provided with chain traveling-grate stoker, and coal exists
It is fallen under gravity on chain traveling-grate stoker, is sent into furnace chamber and burns under machine power effect, the heat of generation is by stove
The water wall absorption of chamber, flue gas after cooling behind upper sedimentation separation room on be advanced into sinking drop separation chamber and wash away changing
Heat completes entire heat transfer process, later, is discharged by exhanst gas outlet, and dust is discharged after lower sedimentation separation chamber settles by smoke outlet,
Complete the boiler smoke course of work；Boiler water cycle process is that boiler blow-down water flows into boiler through water inlet pipe, and boiler water outlet is through water outlet
Pipe flows out, and by boiler feedwater, boiler is flow back into after the pipeline heat exchange above chain traveling-grate stoker and furnace chamber, completes water cycle；It is logical
Fair current is contacted after crossing the smoke outlet of furnace chamber and denitrfying agent elder generation adverse current that denitration nozzle is ejected, in denitration Sproy cyclone point
It from expansion chamber, i.e., is chemically reacted in upper separation expansion chamber and lower sedimentation separation chamber, completes the separation sedimentation of denitrating flue gas depositing dust
Process, reduces discharged nitrous oxides, energy conservation and environmental protection, and this technology spray denitration cyclonic separation sedimentation device can be widely applied to it
On its various boiler.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of the utility model.
Fig. 2 is the front view of the utility model.
In figure：1- boilers, 2- denitration nozzles, 3- denitrations spray tube, 4- water inlet pipes, 5- water-cooling walls, 6- furnace chambers, 7- chain furnaces
Row, 8- smoke outlets, the upper sedimentation separation rooms 9-, 10- throw sedimentation separation chamber, 12- outlet pipes, 13- shells, 14- under coal baffle, 11-
Electric-controlled plate, 15- observation windows.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1~2, in the utility model embodiment, a kind of list boiler pressure-bearing type traveling-grate stoker sprays denitration cornue
Boiler, including boiler 1, denitration spray tube 3, water inlet pipe 4, water-cooling wall 5, furnace chamber 6, traveling-grate stoker 7, upper sedimentation separation room 9, sinking
Separation chamber 11, outlet pipe 12, shell 13 and electric-controlled plate 14 drop, and shell 13 is internally provided with boiler 1, the downside connection of boiler 1
There are water inlet pipe 4, the outside of water inlet pipe 4 to be provided with water-cooling wall 5, water-cooling wall 5 is internally provided with furnace chamber 6, and the inside of furnace chamber 6 is fixed
There are traveling-grate stoker 7,7 top of traveling-grate stoker to be fixed with denitration spray tube 3 through 6 liang of walls of furnace chamber, the top of traveling-grate stoker 7 is provided with
The top of denitration nozzle 2, denitration nozzle 2 is provided with sedimentation separation room 9, and the lower right-hand side of upper sedimentation separation room 9 is provided with down
Sedimentation separation room 11, after the denitrfying agent elder generation adverse current ejected with denitration nozzle 2 by the smoke outlet 8 of furnace chamber 6 fair current connect
It touches, expansion chamber is detached in denitration Sproy cyclone, i.e., chemically reacted in upper separation expansion chamber 9 and lower sedimentation separation chamber 11, it is complete
Infall process is detached at denitrating flue gas depositing dust, reduces discharged nitrous oxides, energy conservation and environmental protection, it is heavy that this technology sprays denitration cyclonic separation
Falling unit can be widely applied on various other boilers, and the surface of shell 13 is equipped with electric-controlled plate 14, upper sedimentation separation room 9
Top offers smoke outlet 8, and the right side of lower sedimentation separation chamber 11 is provided with outlet pipe 12, and outlet pipe 12 and the top side of boiler 1 connect
Connect, the lower section of electric-controlled plate 14 offers observation window 15, and the lower section of observation window 15, which is fixed with, throws coal baffle 10, throw coal baffle 10 with it is outer
Shell 13 is flexibly connected.
The operation principle of the utility model is：The equipment when in use, is opened and throws coal baffle 10, coal is put into stove,
Coal is fallen under the effect of gravity on chain traveling-grate stoker 7, is sent into furnace chamber 6 and is burnt under machine power effect, the heat of generation
Amount absorbed by the water-cooling wall 5 of furnace chamber, the flue gas after cooling behind upper sedimentation separation room 9 on be advanced into sinking drop separation chamber 11 into
Row wash away heat exchange, complete entire heat transfer process, later, be discharged by exhanst gas outlet, dust through lower sedimentation separation chamber 11 sedimentation after by
Smoke outlet 8 is discharged, and completes the boiler smoke course of work；Boiler water cycle process is that boiler blow-down water flows into boiler 1 through water inlet pipe 4,
The water outlet of boiler 1 is flowed out through outlet pipe 12, by 1 water supply of boiler, is flowed back to after the pipeline heat exchange of 6 top of chain traveling-grate stoker 7 and furnace chamber
To boiler 1, water cycle is completed；Fair current after the denitrfying agent elder generation adverse current ejected with denitration nozzle 2 by the smoke outlet 8 of furnace chamber 6
It is contacted, expansion chamber is detached in denitration Sproy cyclone, i.e., it is anti-to carry out chemistry in upper separation expansion chamber 9 and lower sedimentation separation chamber 11
It answers, completes denitrating flue gas depositing dust and detach infall process, reduce discharged nitrous oxides, energy conservation and environmental protection, this technology sprays denitration whirlwind
Separation sedimentation device can be widely applied on various other boilers.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (5)
1. a kind of list boiler pressure-bearing type traveling-grate stoker sprays denitration corner tube boiler, including boiler (1), denitration spray tube (3), water inlet
Manage (4), water-cooling wall (5), furnace chamber (6), traveling-grate stoker (7), upper sedimentation separation room (9), lower sedimentation separation chamber (11), outlet pipe
(12), shell (13) and electric-controlled plate (14), it is characterised in that:The shell (13) is internally provided with boiler (1), the boiler
(1) be connected with water inlet pipe (4) on the downside of, be provided with water-cooling wall (5) on the outside of the water inlet pipe (4), the water-cooling wall (5) it is interior
Portion is provided with furnace chamber (6), and the inside of the furnace chamber (6) is fixed with traveling-grate stoker (7), runs through stove above the traveling-grate stoker (7)
(6) two wall of chamber is fixed with denitration spray tube (3), and denitration nozzle (2), the denitration are provided with above the traveling-grate stoker (7)
Sedimentation separation room (9) is provided with above nozzle (2), the lower right-hand side of the upper sedimentation separation room (9) is provided with lower sedimentation
The surface of separation chamber (11), the shell (13) is equipped with electric-controlled plate (14).
2. a kind of single boiler pressure-bearing type traveling-grate stoker according to claim 1 sprays denitration corner tube boiler, it is characterised in that：
Smoke outlet (8) is offered above the upper sedimentation separation room (9).
3. a kind of single boiler pressure-bearing type traveling-grate stoker according to claim 1 sprays denitration corner tube boiler, it is characterised in that：
Outlet pipe (12) is provided on the right side of the lower sedimentation separation chamber (11), and the outlet pipe (12) and the top side of boiler (1) connect
It connects.
4. a kind of single boiler pressure-bearing type traveling-grate stoker according to claim 1 sprays denitration corner tube boiler, it is characterised in that：
Observation window (15) is offered below the electric-controlled plate (14).
5. a kind of single boiler pressure-bearing type traveling-grate stoker according to claim 4 sprays denitration corner tube boiler, it is characterised in that：
It is fixed with below the observation window (15) and throws coal baffle (10), and the throwing coal baffle (10) is flexibly connected with shell (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721851808.6U CN207922267U (en) | 2017-12-25 | 2017-12-25 | A kind of list boiler pressure-bearing type traveling-grate stoker spray denitration corner tube boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721851808.6U CN207922267U (en) | 2017-12-25 | 2017-12-25 | A kind of list boiler pressure-bearing type traveling-grate stoker spray denitration corner tube boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207922267U true CN207922267U (en) | 2018-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721851808.6U Active CN207922267U (en) | 2017-12-25 | 2017-12-25 | A kind of list boiler pressure-bearing type traveling-grate stoker spray denitration corner tube boiler |
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| CN (1) | CN207922267U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113769524A (en) * | 2021-09-15 | 2021-12-10 | 杨清照 | Spraying denitration boiler |
-
2017
- 2017-12-25 CN CN201721851808.6U patent/CN207922267U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113769524A (en) * | 2021-09-15 | 2021-12-10 | 杨清照 | Spraying denitration boiler |
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