CN209341254U - A kind of denitration type garbage burning boiler - Google Patents
A kind of denitration type garbage burning boiler Download PDFInfo
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- CN209341254U CN209341254U CN201822029730.0U CN201822029730U CN209341254U CN 209341254 U CN209341254 U CN 209341254U CN 201822029730 U CN201822029730 U CN 201822029730U CN 209341254 U CN209341254 U CN 209341254U
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Abstract
The utility model discloses a kind of denitration type garbage burning boilers, including drum, furnace chamber I, furnace chamber II, furnace chamber III, water cooling side Bao Qiang, down-comer, dispersion pipe, fairlead, connecting tube, evaporator, superheater, economizer, steel construction, sealing structure, backplate, incinerator and SNCR spray gun；Waste incinerator burn away the refuse generation flue gas furnace chamber II is flowed through by furnace chamber I after pass through furnace chamber III, boiler level packet is finally entered within the walls by the outlet of furnace chamber III, and carry out heat exchange followed by evaporator, superheater, economizer, until exhanst gas outlet；Furnace chamber I and the inverted u-shaped arrangement of furnace chamber II, furnace chamber II and the U-shaped arrangement of furnace chamber III, I surrounding of furnace chamber, II front wall of furnace chamber and II height of side wall direction of furnace chamber arrange SNCR spray gun；The utility model efficiently solves the problems, such as SNCR reducing agent in furnace chamber in the uniform penetrating in best flue-gas temperature section, to effectively realize the low emission or minimum discharge of boiler body NOx.
Description
Technical field
The utility model relates to fire grate garbage burning boiler technical field, in particular to a kind of denitration type waste incineration pot
Furnace.
Background technique
Domestic waste growing day by day has become puzzlement urban development, pollution urban environment, influences resident living
Social concern, the treatment process such as traditional landfill, compost be no longer satisfied day refuse processing requirement.By by rubbish
Burn at high temperature, decomposable harmful substances, realize aseptic process, and produced electricl energy using heat, waste incineration and generating electricity just gradually at
For garbage decrement, recycling, innoxious major way.Stoker fired grate formula waste incineration and generating electricity technology has garbage treatment quantity
Greatly, operational reliability is high, process cycle is short, minimizing is significant, the innoxious distinguishing features such as thoroughly, it has also become user handles city
The preferred manner of house refuse.In traditional garbage fired boiler, furnace chamber can not achieve SNCR reducing agent in best flue-gas temperature section
Uniform penetrating problem, influence the qualified discharge of boiler NOx.
Utility model content
The purpose of the utility model is to provide a kind of denitration type garbage burning boilers, can effectively realize that NOx is up to standard
Discharge.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of denitration type garbage burning boiler, it is characterised in that: including drum, the first furnace chamber, the second furnace chamber, third furnace
Room, water cooling side Bao Qiang, down-comer, dispersion pipe, fairlead, connecting tube, evaporator, superheater, economizer, backplate, incinerator and
SNCR spray gun；First furnace chamber is individually arranged, by wall, the first furnace chamber two sides after independent first furnace chamber front wall, the first furnace chamber
Wall composition；Second furnace chamber is made of the second furnace chamber front wall, partition wall and the second furnace chamber both walls, second furnace chamber and
Three furnace chamber party walls；The third furnace chamber is made of wall after partition wall, third furnace chamber and third furnace chamber both walls；The rubbish is burnt
Burn furnace burn away the refuse generation flue gas the second furnace chamber is flowed through by the first furnace chamber after pass through third furnace chamber, finally gone out by third furnace chamber
Mouth enters water cooling side packet within the walls, and carries out heat exchange followed by evaporator, superheater, economizer, until boiler flue gas outlet；
First furnace chamber and the inverted u-shaped arrangement of the second furnace chamber, the second furnace chamber and the U-shaped arrangement of third furnace chamber, the first furnace chamber surrounding, the
Two furnace chamber front walls and the second furnace chamber height of side wall direction arrange SNCR spray gun；Wall after the first furnace chamber front wall, the first furnace chamber,
Wall after first furnace chamber both walls, the second furnace chamber front wall, partition wall, the second furnace chamber both walls, third furnace chamber, third furnace chamber both walls and
The structure of water cooling side packet wall is all similar, is made of lower header, fin panel casing and upper collecting chamber；The drum has under more concentrations
It drops pipe to supply water, then wall, the first furnace chamber both walls, second after the first furnace chamber front wall, the first furnace chamber is introduced between by dispersion pipe
The lower header of wall after furnace chamber front wall, partition wall, the second furnace chamber both walls, third furnace chamber, third furnace chamber both walls and water cooling side packet wall,
And the vapor space of drum is introduced separately to through fairlead by respective upper collecting chamber, it is recycled back to form multiple independent water
Road；The first furnace chamber surrounding short transverse can arrange that 2 layers of SNCR spray gun, every layer of visual first furnace chamber degree take the circumstances into consideration to arrange 4 ~ 10
SNCR spray gun；Second furnace chamber front wall and the second furnace chamber both walls short transverse can arrange 1 layer of SNCR spray gun, every layer of visual second furnace
Room width takes the circumstances into consideration to arrange 3 ~ 7 SNCR spray guns.
Further, as boiler load 60%-80%, the SNCR spray gun of the first furnace chamber lower layer is opened.
Further, when boiler load is between 90%-100%, the SNCR spray gun on the first furnace chamber upper layer is opened.
Further, it when boiler load is more than 100% or is more than 2200Kcal/kg into the refuse thermal value of boiler, opens
SNCR spray gun in first furnace chamber upper layer and the second furnace chamber.
Further, the top of first furnace chamber and the second furnace chamber is in being made of fin panel casing for high-temperature area
Metope is laid with SiC castable refractory to fiery side.
In conclusion the utility model has the following beneficial effects: by the first furnace chamber, the second furnace chamber, third furnace chamber and
The reasonable Arrangement of SNCR spray gun, uniform penetrating of the SNCR reducing agent in best flue-gas temperature section is asked in effective solution furnace chamber
The emission control problem of topic and garbage fired boiler NOx.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of denitration type garbage burning boiler of the present embodiment；
Fig. 2 is the cross section view in Fig. 1 at A-A.
In figure, 1, drum；2, the first furnace chamber；3, the second furnace chamber；4, third furnace chamber；5, water cooling side Bao Qiang；6, down-comer；7,
Dispersion pipe；8, fairlead；9, connecting tube；10, evaporator；11, superheater；12, economizer；15, backplate；16, incinerator；17,
SNCR spray gun；18, the first furnace chamber front wall；19, wall after the first furnace chamber；20, the first side wall；21, the second furnace chamber front wall；22, partition wall；
23, the second side wall；24, wall after third furnace chamber；25, third side wall；26, lower header；27, fin panel casing；28, upper collecting chamber.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing, the present embodiment is not constituted to this
The limitation of utility model.
A kind of denitration type garbage burning boiler, referring to FIG. 1 and FIG. 2, including drum 1, the first furnace chamber 2, the second furnace chamber 3,
Three furnace chambers 4, water cooling side packet wall 5, down-comer 6, dispersion pipe 7, fairlead 8, connecting tube 9, evaporator 10, superheater 11, economizer
12, backplate 15, incinerator 16 and SNCR spray gun 17；The independent arrangement of first furnace chamber 2, by independent first furnace chamber, 2 front wall, the
Wall, 2 both walls of the first furnace chamber composition after one furnace chamber 2；Second furnace chamber 3 is by 3 front wall of the second furnace chamber, partition wall 22 and the second furnace
3 both walls of room composition, second furnace chamber 3 and 4 party wall 22 of third furnace chamber；The third furnace chamber 4 is by partition wall 22, third furnace
Wall and 4 both walls of third furnace chamber composition behind room 4；The burn away the refuse flue gas of generation of the waste incinerator 16 is flowed by the first furnace chamber 2
Third furnace chamber 4 is passed through after the second furnace chamber 3, is finally entered in water cooling side packet wall 5 by the outlet of third furnace chamber 4, and followed by
Evaporator 10, superheater 11, economizer 12 carry out heat exchange, until boiler flue gas outlet；First furnace chamber 2 and the second furnace chamber
3 inverted u-shaped arrangements, the second furnace chamber 3 and the U-shaped arrangement of third furnace chamber 4,2 surrounding of the first furnace chamber, 3 front wall of the second furnace chamber and second
3 height of side wall direction of furnace chamber arranges SNCR spray gun 17；Wall, 2 liang of the first furnace chamber after first furnace chamber, 2 front wall, the first furnace chamber 2
Wall, 4 both walls of third furnace chamber and water cooling after side wall, 3 front wall of the second furnace chamber, partition wall 22,3 both walls of the second furnace chamber, third furnace chamber 4
The structure of side packet wall 5 is all similar, is made of lower header 26, fin panel casing 27 and upper collecting chamber 28；The drum has more collection
Middle down-comer 6 supplies water, then is introduced between wall, 2 liang of the first furnace chamber after 2 front wall of the first furnace chamber, the first furnace chamber 2 by dispersion pipe 7
Wall, 4 both walls of third furnace chamber and water cooling after side wall, 3 front wall of the second furnace chamber, partition wall 22,3 both walls of the second furnace chamber, third furnace chamber 4
The lower header 26 of side packet wall 5, and the vapor space of drum is introduced separately to by respective upper collecting chamber 28 through fairlead 8, thus shape
At multiple independent water-flow circuits；First furnace chamber, the 2 surrounding short transverse can arrange 2 layers of SNCR spray gun 17, and every layer visual
First 2 degree of furnace chamber takes the circumstances into consideration to arrange 4 ~ 10 SNCR spray guns 17；Second furnace chamber, 3 front wall and 3 both walls short transverse of the second furnace chamber can
Arrange that 1 layer of SNCR spray gun 17, every layer of visual second furnace chamber, 3 width take the circumstances into consideration to arrange 3 ~ 7 SNCR spray guns 17.
Referring to FIG. 1 and FIG. 2, as boiler load 60%-80%, 16 exit gas temperature of incinerator is lower, opens the first furnace
The SNCR spray gun 17 of 2 lower layer of room is, it can be achieved that NOx emission is lower than 130 mg/m3；When boiler load is between 90%-100%, burn
It burns 16 exit gas temperature of furnace and is in normal value, open the SNCR spray gun 17 on 2 upper layer of the first furnace chamber, it can be achieved that NOx emission is lower than
180 mg/m3；When boiler load is more than 100% or is more than 2200Kcal/kg into the refuse thermal value of boiler, incinerator 16 goes out
Mouth flue-gas temperature is higher, at this point, the SNCR spray gun 17 in unlatching 2 upper layer of the first furnace chamber and the second furnace chamber 3 is, it can be achieved that NOx emission
Lower than 180 mg/m3.
Referring to Fig.1, for avoid the top of the first furnace chamber 2 and the second furnace chamber 3 be in high cigarette temperature region by film-type water-cooling
Wall 27 form metope occur high temperature corrosion, the top of the first furnace chamber 2 and the second furnace chamber 3 be in high-temperature area by membrane type water
The metope that cold wall 27 forms is laid with SiC castable refractory to fiery side.
The above descriptions are merely preferred embodiments of the present invention, is not used in limitation the utility model, this field skill
Art personnel can make various modifications or equivalent replacements to the utility model in the essence and protection scope of the utility model,
This modification or equivalent replacement also should be regarded as falling in the protection scope of technical solutions of the utility model.
Claims (5)
1. a kind of denitration type garbage burning boiler, it is characterised in that: including drum (1), the first furnace chamber (2), the second furnace chamber (3),
Third furnace chamber (4), water cooling side Bao Qiang (5), down-comer (6), dispersion pipe (7), fairlead (8), connecting tube (9), evaporator (10),
Superheater (11), economizer (12), backplate (15), incinerator (16) and SNCR spray gun (17)；The independent cloth of first furnace chamber (2)
It sets, by independent first furnace chamber (2) front wall, the first furnace chamber (2), wall, the first furnace chamber (2) both walls are formed afterwards；Second furnace
Room (3) is made of the second furnace chamber (3) front wall, partition wall (22) and the second furnace chamber (3) both walls, second furnace chamber (3) and third
Furnace chamber (4) party wall (22)；The third furnace chamber (4) is by partition wall (22), third furnace chamber (4) wall and third furnace chamber (4) two afterwards
Side wall composition；The burn away the refuse flue gas of generation of the waste incinerator (16) is flowed through after the second furnace chamber (3) again by the first furnace chamber (2)
Third furnace chamber (4) are flowed through, are finally entered in water cooling side Bao Qiang (5) by third furnace chamber (4) outlet, and followed by evaporator
(10), superheater (11), economizer (12) carry out heat exchange, until boiler flue gas outlet；First furnace chamber (2) and the second furnace
Room (3) inverted u-shaped arrangement, the second furnace chamber (3) and third furnace chamber (4) U-shaped arrangement, the first furnace chamber (2) surrounding, the second furnace chamber
(3) front wall and the second furnace chamber (3) height of side wall direction arrange SNCR spray gun (17)；First furnace chamber (2) front wall, the first furnace
Room (2) wall, the first furnace chamber (2) both walls, the second furnace chamber (3) front wall, partition wall (22), the second furnace chamber (3) both walls, third furnace afterwards
The structure of room (4) wall, third furnace chamber (4) both walls and water cooling side Bao Qiang (5) afterwards is all similar, by lower header (26), membrane type water
Cold wall (27) and upper collecting chamber (28) composition；The drum has more common downcomers (6) to supply water, then respectively by dispersion pipe (7)
It is introduced into the first furnace chamber (2) front wall, the first furnace chamber (2) wall, the first furnace chamber (2) both walls, the second furnace chamber (3) front wall, partition wall afterwards
(22), the second furnace chamber (3) both walls, third furnace chamber (4) afterwards wall, third furnace chamber (4) both walls and water cooling side Bao Qiang (5) next part
Case (26), and the vapor space of drum is introduced separately to through fairlead (8) by respective upper collecting chamber (28), to be formed multiple only
Vertical water-flow circuit；First furnace chamber (2) the surrounding short transverse can arrange 2 layers of SNCR spray gun (17), every layer visual first
Furnace chamber (2) height takes the circumstances into consideration to arrange 4 ~ 10 SNCR spray guns (17)；Second furnace chamber (3) front wall and the second furnace chamber (3) both walls height
Direction can arrange 1 layer of SNCR spray gun (17), and every layer of visual second furnace chamber (3) width takes the circumstances into consideration to arrange 3 ~ 7 SNCR spray guns (17).
2. a kind of denitration type garbage burning boiler according to claim 1, it is characterised in that: as boiler load 60%-80%
When, the SNCR spray gun (17) of the first furnace chamber (2) lower layer can be opened.
3. a kind of denitration type garbage burning boiler according to claim 1, it is characterised in that: when boiler load is in 90%-
When between 100%, the SNCR spray gun (17) on the first furnace chamber (2) upper layer can be opened.
4. a kind of denitration type garbage burning boiler according to claim 1, it is characterised in that: when boiler load is more than 100%
Or the refuse thermal value for entering boiler can be opened in the first furnace chamber (2) upper layer and the second furnace chamber (3) when being more than 2200Kcal/kg
SNCR spray gun (17).
5. a kind of denitration type garbage burning boiler according to claim 1, it is characterised in that: first furnace chamber (2) and
The metope being made of fin panel casing (27) that the top of second furnace chamber (3) is in high-temperature area is laid with SiC fire resisting to fiery side
Castable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822029730.0U CN209341254U (en) | 2018-12-05 | 2018-12-05 | A kind of denitration type garbage burning boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822029730.0U CN209341254U (en) | 2018-12-05 | 2018-12-05 | A kind of denitration type garbage burning boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209341254U true CN209341254U (en) | 2019-09-03 |
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ID=67750603
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822029730.0U Active CN209341254U (en) | 2018-12-05 | 2018-12-05 | A kind of denitration type garbage burning boiler |
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| Country | Link |
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| CN (1) | CN209341254U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595558A (en) * | 2018-12-05 | 2019-04-09 | 南通万达锅炉有限公司 | A kind of denitration type garbage burning boiler |
-
2018
- 2018-12-05 CN CN201822029730.0U patent/CN209341254U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595558A (en) * | 2018-12-05 | 2019-04-09 | 南通万达锅炉有限公司 | A kind of denitration type garbage burning boiler |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 226014 No.133, Zhongxiu Middle Road, Chongchuan District, Nantong City, Jiangsu Province Patentee after: Nantong Wanda Energy Power Technology Co.,Ltd. Address before: 226014 No.133, Zhongxiu Middle Road, Chongchuan District, Nantong City, Jiangsu Province Patentee before: NANTONG WANDA BOILER Co.,Ltd. |