CN105080322A - SNCR denitration system and waste incineration boiler - Google Patents
SNCR denitration system and waste incineration boiler Download PDFInfo
- Publication number
- CN105080322A CN105080322A CN201510494130.XA CN201510494130A CN105080322A CN 105080322 A CN105080322 A CN 105080322A CN 201510494130 A CN201510494130 A CN 201510494130A CN 105080322 A CN105080322 A CN 105080322A
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- China
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- water
- cooling wall
- burner hearth
- spray gun
- denitrfying agent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
Abstract
The invention relates to an SNCR denitration system and a waste incineration boiler. The SNCR denitration system is installed in a hearth and used for denitrating flue gas and comprises denitration agent spray guns and turbulators. The denitration agent spray guns are installed on the water cooling wall of the hearth. The turbulators are arranged in the circumferential direction of the water cooling wall of the hearth. The turbulators are located on a flue gas exhaust path and located on the downstream part of the denitration agent spray guns, and can spray turbulence air flow in the opposite direction of the flue gas flow direction. According to the SNCR denitration system, the turbulators are arranged above the denitration agent spray guns and spray turbulence air flow in the opposite direction of the flue gas flow direction, the denitration agent residence time is prolonged due to the fact that the turbulence air flow is sprayed, and uniform and sufficient denitration reduction reaction is facilitated. In addition, the air flow sprayed by the turbulators disturbs a denitration agent, the uniformity of the denitration agent is improved, and therefore the denitration reaction efficiency is further improved.
Description
Technical field
The present invention relates to technical field of waste incineration, particularly relate to a kind of SNCR denitration system and garbage burning boiler.
Background technology
Along with the quickening of urbanization paces and the raising of people's living standard, domestic quantity of refuse increases substantially, and rubbish processing to be harmless has become inevitable choice.At present, refuse incineration exhaust-heating boiler is adopted to carry out burning disposal to rubbish to the process most countries of rubbish, incineration treatment of garbage is a kind for the treatment of technology that present stage garbage disposal minimizing, resource and innoxious degree are the highest, and the heat energy burning generation can heat supply or generating.But, can the pollutants such as nitrogen oxide be produced in Refuse Incineration Process simultaneously, if be directly discharged in environment without smoke eliminator, ill effect will be caused to the ecosystem.
The process of nitrogen is become by reduction of nitrogen oxide to be referred to as denitrification process, usually selective catalytic reduction (SCR) and SNCR method (SNCR) is adopted in existing denitration technology, application and the industrialization degree of the method for reducing of two kinds of modes are higher, wherein, SNCR method (SNCR) owing to investing little, the advantage such as operating cost is low, short construction period, and is widely used.
Usually, in SNCR method denitrification process, owing to not adopting catalyst, the best preference temperature of denitration reaction is 800 ~ 1200 degree, but the reason of the temperature of waste incineration and boiler structure, cause the temperature province of applicable denitration reaction to have limitation, and denitrfying agent just have left the region of suitable reaction in the sufficient situation of unreacted, causes the removal efficiency of nitrogen oxide lower.
Summary of the invention
Based on this, be necessary that the problem that removal of nitrogen oxide rate is lower, provides one to make denitrification process sufficient reacting in existing SNCR method denitrification process, improve SNCR denitration system and the garbage burning boiler of denitration rate.
A kind of SNCR denitration system, be installed in burner hearth, for carrying out denitration to flue gas, described SNCR denitration system comprises:
Denitrfying agent spray gun, is installed on the water-cooling wall of described burner hearth;
Flow spoiler, the water-cooling wall circumference along described burner hearth is arranged, and described flow spoiler is positioned on the emission path of described flue gas, and described flow spoiler is positioned at the downstream of described denitrfying agent spray gun, and can spray the formation flow-disturbing air-flow contrary with described flow of flue gas direction.
Above-mentioned SNCR denitration system, flow spoiler is located at the top of denitrfying agent spray gun, and spray the flow-disturbing air-flow contrary with flow of flue gas direction, by ejecting flow-disturbing air-flow, flue gas being increased in the time of staying in suitable denitration reaction district, being beneficial to the even and abundant of denitration reduction reaction.In addition, the jet-stream wind of flow spoiler carries out disturbance to denitrfying agent, and the uniformity of denitrfying agent is improved, thus improves the reactivity of denitration reaction further.
Wherein in an embodiment, described burner hearth comprises the first water-cooling wall and the second water-cooling wall that are oppositely arranged respectively, and the 3rd water-cooling wall and the 4th water-cooling wall, described first water-cooling wall, the second water-cooling wall, the 3rd water-cooling wall and described 4th water-cooling wall are connected successively to enclose and form described burner hearth, described denitrfying agent spray gun is installed on the first water-cooling wall of described burner hearth and described second water-cooling wall respectively, and described SNCR denitration system is installed on described burner hearth import department;
Wherein, relatively described burner hearth import, the setting height(from bottom) being installed on the described denitrfying agent spray gun of described first water-cooling wall is greater than the setting height(from bottom) of the denitrfying agent spray gun being installed on described second water-cooling wall.
Wherein in an embodiment, be positioned at the equidistant horizontal arrangement of denitrfying agent spray gun of described first water-cooling wall, be positioned at the equidistant horizontal arrangement of denitrfying agent spray gun of described second water-cooling wall;
The denitrfying agent spray gun being positioned at described first water-cooling wall and the denitrfying agent spray gun being positioned at described second water-cooling wall interlock arranged relative.
Wherein in an embodiment, the flow spoiler being arranged at described first water-cooling wall and the second water-cooling wall is positioned at above described denitrfying agent spray gun, and vertical apart from equal respectively apart from described denitrfying agent spray gun line.
Wherein in an embodiment, the described flow spoiler being arranged at described first water-cooling wall is the first height apart from the vertical distance of described burner hearth import, the described flow spoiler being arranged at described second water-cooling wall is the second height apart from the vertical distance of described burner hearth import, and the described flow spoiler being positioned at described 3rd water-cooling wall and the 4th water-cooling wall is described first height and the mean value of described second height apart from the distance of described burner hearth import.
Wherein in an embodiment, the air flow direction of described flow spoiler towards described burner hearth importer to, and the perpendicular being relatively orthogonal to the water-cooling wall of described burner hearth is obliquely installed.
Wherein in an embodiment, each described flow spoiler, all towards the described flow spoiler of the next one, forms flow-disturbing eddy flow to spray.
Wherein in an embodiment, the angle between the plane that described flow spoiler is relatively orthogonal to the water-cooling wall of described burner hearth is 10 ~ 25 degree.
Wherein in an embodiment, described flow spoiler is communicated with described furnace outlet, and can the flue gas of furnace outlet described in pumpback to described burner hearth import department;
Wherein, described in described flow spoiler pumpback, the flue gas of furnace outlet accounts for 5% ~ 8% of amount of flue gas emission in described burner hearth.
A kind of garbage burning boiler, comprises SNC denitrating system described above.
Accompanying drawing explanation
Fig. 1 is the partial structurtes schematic diagram of the garbage burning boiler in present pre-ferred embodiments;
Fig. 2 is the top view of the section of burner hearth of the garbage burning boiler shown in Fig. 1;
Fig. 3 is the layout drawing of the flow spoiler of the garbage burning boiler shown in Fig. 1.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Preferred embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
As shown in Figures 1 and 2, the SNCR denitration system 10 in present pre-ferred embodiments, is installed in burner hearth 30, and for carrying out denitration to flue gas, this SNCR denitration system 10 comprises denitrfying agent spray gun 12 and flow spoiler 14.This denitrfying agent spray gun 12 is installed on the water-cooling wall of burner hearth 30, this flow spoiler 14 is arranged along the water-cooling wall circumference of burner hearth, this flow spoiler 14 is positioned on the emission path of flue gas, and this flow spoiler 14 is positioned at the downstream of this denitrfying agent spray gun 12, and can form the flow-disturbing air-flow contrary with flow of flue gas direction.
Particularly, in the present embodiment, this SNCR denitration system 10 is installed on the import department of burner hearth 30, this burner hearth 30 comprises the first water-cooling wall 32, second water-cooling wall 34, the 3rd water-cooling wall 36 and the 4th water-cooling wall 38, this the first water-cooling wall 32 and second water-cooling wall 34, and the 3rd water-cooling wall 36 and the 4th water-cooling wall 38 be oppositely arranged respectively, this first water-cooling wall 32, second water-cooling wall 34, the 3rd water-cooling wall 36 and the 4th water-cooling wall 38 are connected successively to enclose and form described burner hearth 30.This denitrfying agent spray gun 12 is installed on the first water-cooling wall 32 and the second water-cooling wall 34 of burner hearth 30 import department, this flow spoiler 14 and burner hearth 30 outlet, and can the flue gas that exports of pumpback burner hearth 30 to the import department of burner hearth 30, this flow spoiler 14 is arranged along the water-cooling wall circumference of burner hearth 30, and relative denitrfying agent spray gun 12 side of being located thereon, and formed towards the flow-disturbing air-flow of described burner hearth 30 import.
It should be noted that, the first water-cooling wall 32 and the second water-cooling wall 34 are respectively the front water-cooling wall of boiler furnace 30 and rear water-cooling wall, and the 3rd water-cooling wall 36 and the 4th water-cooling wall 38 are respectively the left water-cooling wall of boiler and right water-cooling wall.The technical term that the front, rear, left and right water-cooling wall of boiler furnace 30 is well known to those skilled in the art, therefore do not repeat its concrete definition at this.
In the present embodiment, this denitrfying agent is urea or ammoniacal liquor, the flue gas of this flow spoiler 14 pumpback burner hearth 30 outlet accounts for 5% ~ 8% of amount of flue gas emission in burner hearth 30, rubbish enters after fire grate 22 forms incinerator, fire grate 22 burns, can generate nitrogen oxide in combustion process, reduction of nitrogen oxide is become nitrogen by the denitrfying agent sprayed by denitrfying agent spray gun 12, reaches pollutant removing effect.Usually, the ideal response temperature of ammoniacal liquor denitration is 850 ~ 1100 degree, and the ideal response temperature of urea denitration is 900 ~ 1150 degree, sufficient dwell time in rational temperature range, and denitration reaction could sufficient reacting.Usually, the flue-gas temperature of waste incineration meets the ideal response temperature of denitrfying agent in the import department of burner hearth 30, and flow spoiler 14 is located at the top of denitrfying agent spray gun 12, and the fume reverse extraction exported by burner hearth 30 sprays, form the flow-disturbing air-flow contrary with flow of flue gas direction, by spraying flow-disturbing air-flow, gas residence time being increased, being beneficial to the even of denitration reduction reaction and fully carrying out.Detect through actual, existing flue gas is about 0.5 second in the time of staying in desirable reaction temperature region, and install additional flow spoiler 14 can use gas residence time increase by 10%, simultaneously, the jet-stream wind of flow spoiler 14 carries out disturbance to denitrfying agent, the uniformity of denitrfying agent is improved, thus improves the reactivity of denitration reaction.
Be appreciated that the position of SNCR denitration system can be determined according to the structure of the ideal response temperature of different denitrfying agent and garbage burning boiler, in this no limit.
Please continue to refer to Fig. 1, structure due to burner hearth 30 causes the temperature range of comburant flue gas there are differences, for adapting to this difference, the import of relative burner hearth 30, the setting height(from bottom) being installed on the denitrfying agent spray gun 12 of the first water-cooling wall 32 is greater than the setting height(from bottom) being installed on the second water-cooling wall 34 denitrfying agent spray gun 12, thus ensure that the reaction surface that denitrfying agent is formed is close with the isothermal temperature face of flue gas identical, be beneficial to the reactivity improving denitration reaction.Preferably, be positioned at the denitrfying agent spray gun 12 of the first water-cooling wall 32 of burner hearth 30 for multiple, be positioned at the denitrfying agent spray gun 12 of the second water-cooling wall 34 of burner hearth 30 also for multiple, be positioned at the equidistant horizontal arrangement of denitrfying agent spray gun 12 of the first water-cooling wall 32 of burner hearth 30, be positioned at the equidistant horizontal arrangement of denitrfying agent spray gun 12 of the second water-cooling wall 34.That is, first water-cooling wall 32 is provided with multiple denitrfying agent spray gun 12 be intervally arranged, second water-cooling wall 34 is provided with multiple denitrfying agent spray gun 12 be intervally arranged, and the line being positioned at the denitrfying agent spray gun 12 on the first water-cooling wall 32 is horizontally disposed with, the line being positioned at the denitrfying agent spray gun 12 on the second water-cooling wall 34 is horizontally disposed with.Further, the denitrfying agent spray gun 12 being positioned at the first water-cooling wall 32 and the denitrfying agent spray gun 12 being positioned at the second water-cooling wall 34 interlock arranged relative, more clearly say, in the position of denitrfying agent spray gun 12 correspondence between two denitrfying agent spray guns 12 of the second water-cooling wall 34 of the first water-cooling wall 32, thus form relatively uniform spraying area, make denitration reaction evenly.
Please again consult Fig. 1, the flow spoiler 14 being arranged at the first water-cooling wall 32 and the second water-cooling wall 34 is positioned at the top of corresponding denitrfying agent spray gun 12, and denitrfying agent spray gun 12 line that distance is corresponding respectively is vertical apart from equal.In the present embodiment, the described flow spoiler 14 being arranged at described first water-cooling wall 32 and the second water-cooling wall 34 is respectively 300 ~ 800 millimeters apart from the distance of described denitrfying agent spray gun 12 line of correspondence.So, make flow-disturbing effect reach best, thus increase the time making combustion product gases rest on reasonable reaction region, thus improve reaction efficiency.
Preferably, the flow spoiler 14 being arranged at the first water-cooling wall 32 is the first height apart from the vertical distance of burner hearth 30 import, the flow spoiler 14 being arranged at the second water-cooling wall 34 is the second height apart from the vertical distance of burner hearth 30 import, the flow spoiler 14 being positioned at the 3rd water-cooling wall 36 and the 4th water-cooling wall 38 is the first height and the mean value of the second height apart from the vertical distance of burner hearth 30 import, thus make flow spoiler 14 place plane substantially parallel with denitrfying agent spray gun 12 place plane, make flow-disturbing air-flow evenly, and then make denitration reaction more evenly with fully.
See also Fig. 2 and Fig. 3, this flow spoiler 14 air flow direction towards burner hearth 30 importer to, and the perpendicular being relatively orthogonal to burner hearth 30 water-cooling wall is obliquely installed, and each flow spoiler 14, towards next flow spoiler 14, forms flow-disturbing eddy flow to spray.That is, the air flow direction of flow spoiler 14 diagonally under, be arranged at the flow-disturbing air-flow that flow spoiler 14 on the first water-cooling wall 32, second water-cooling wall 34, the 3rd water-cooling wall 36 and the 4th water-cooling wall 38 sprays towards oblique below respectively, thus form an eddy flow, and then make the denitrfying agent time of staying long limit in desirable conversion zone, and be beneficial to the even sprinkling of denitrfying agent and fully react, improve denitration reaction rate.In the present embodiment, this flow spoiler 14 is 10 ~ 25 degree to the angle between the plane of the water-cooling wall perpendicular to burner hearth 30.
Based on above-mentioned SNCR denitration system 10, also provide a kind of garbage burning boiler (figure does not mark).
Particularly, as shown in Figure 1, this garbage burning boiler comprises combustion apparatus 20 and burner hearth 30, and burner hearth 30 is communicated with this combustion apparatus 20, for being discharged by flue gas.This combustion apparatus 20 comprises fire grate 22 and combustion chamber 24, and the import of burner hearth 30 is communicated with combustion chamber 24, and fire grate 22, for putting the comburants such as rubbish, burns in combustion chamber 24.
Above-mentioned SNCR denitration system 10 and garbage burning boiler, flow spoiler 14 is located at the top of denitrfying agent spray gun 12, and the fume reverse extraction exported by burner hearth 30 sprays, form the flow-disturbing air-flow contrary with flow of flue gas direction, by spraying flow-disturbing air-flow, gas residence time being increased, being beneficial to the even and abundant of denitration reduction reaction.In addition, the jet-stream wind of flow spoiler 14 carries out disturbance to denitrfying agent, and the uniformity of denitrfying agent is improved, thus improves the reactivity of denitration reaction further.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this description is recorded.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a SNCR denitration system, is installed in burner hearth, for carrying out denitration to flue gas, it is characterized in that, described SNCR denitration system comprises:
Denitrfying agent spray gun, is installed on the water-cooling wall of described burner hearth;
Flow spoiler, the water-cooling wall circumference along described burner hearth is arranged, and described flow spoiler is positioned on the emission path of described flue gas, and described flow spoiler is positioned at the downstream of described denitrfying agent spray gun, and can spray the formation flow-disturbing air-flow contrary with described flow of flue gas direction.
2. SNCR denitration system according to claim 1, it is characterized in that, described burner hearth comprises the first water-cooling wall and the second water-cooling wall that are oppositely arranged respectively, and the 3rd water-cooling wall and the 4th water-cooling wall, described first water-cooling wall, the second water-cooling wall, the 3rd water-cooling wall and described 4th water-cooling wall are connected successively to enclose and form described burner hearth, described denitrfying agent spray gun is installed on the first water-cooling wall of described burner hearth and described second water-cooling wall respectively, and described SNCR denitration system is installed on described burner hearth import department;
Wherein, relatively described burner hearth import, the setting height(from bottom) being installed on the described denitrfying agent spray gun of described first water-cooling wall is greater than the setting height(from bottom) of the denitrfying agent spray gun being installed on described second water-cooling wall.
3. SNCR denitration system according to claim 2, is characterized in that, is positioned at the equidistant horizontal arrangement of denitrfying agent spray gun of described first water-cooling wall, is positioned at the equidistant horizontal arrangement of denitrfying agent spray gun of described second water-cooling wall;
The denitrfying agent spray gun being positioned at described first water-cooling wall and the denitrfying agent spray gun being positioned at described second water-cooling wall interlock arranged relative.
4. SNCR denitration system according to claim 3, is characterized in that, the flow spoiler being arranged at described first water-cooling wall and the second water-cooling wall is positioned at above described denitrfying agent spray gun, and vertical apart from equal respectively apart from described denitrfying agent spray gun line.
5. SNCR denitration system according to claim 4, it is characterized in that, the described flow spoiler being arranged at described first water-cooling wall is the first height apart from the vertical distance of described burner hearth import, the described flow spoiler being arranged at described second water-cooling wall is the second height apart from the vertical distance of described burner hearth import, and the described flow spoiler being positioned at described 3rd water-cooling wall and the 4th water-cooling wall is described first height and the mean value of described second height apart from the distance of described burner hearth import.
6. require the SNCR denitration system described in 1 according to claim, it is characterized in that, the air flow direction of described flow spoiler towards described burner hearth importer to, and the perpendicular being relatively orthogonal to the water-cooling wall of described burner hearth is obliquely installed.
7. SNCR denitration system according to claim 6, is characterized in that, each described flow spoiler, all towards the described flow spoiler of the next one, forms flow-disturbing eddy flow to spray.
8. SNCR denitration system according to claim 7, is characterized in that, the angle between the plane that described flow spoiler is relatively orthogonal to the water-cooling wall of described burner hearth is 10 ~ 25 degree.
9. SNCR denitration system according to claim 1, is characterized in that, described flow spoiler is communicated with described furnace outlet, and can the flue gas of furnace outlet described in pumpback to described burner hearth import department;
Wherein, described in described flow spoiler pumpback, the flue gas of furnace outlet accounts for 5% ~ 8% of amount of flue gas emission in described burner hearth.
10. a garbage burning boiler, is characterized in that, comprises SNCR denitration system as claimed in any one of claims 1 to 9 wherein.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510494130.XA CN105080322B (en) | 2015-08-12 | 2015-08-12 | SNCR denitration system and garbage burning boiler |
| PCT/CN2015/091231 WO2017024664A1 (en) | 2015-08-12 | 2015-09-30 | Sncr denitrification system and waste incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510494130.XA CN105080322B (en) | 2015-08-12 | 2015-08-12 | SNCR denitration system and garbage burning boiler |
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| Publication Number | Publication Date |
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| CN105080322A true CN105080322A (en) | 2015-11-25 |
| CN105080322B CN105080322B (en) | 2018-08-07 |
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| CN201510494130.XA Active CN105080322B (en) | 2015-08-12 | 2015-08-12 | SNCR denitration system and garbage burning boiler |
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| CN (1) | CN105080322B (en) |
| WO (1) | WO2017024664A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432978A (en) * | 2018-12-28 | 2019-03-08 | 启明星宇节能科技股份有限公司 | A kind of denitration flue gas disturbance device |
| CN111214937A (en) * | 2020-03-16 | 2020-06-02 | 中国华能集团清洁能源技术研究院有限公司 | SNCR reactor suitable for power plant boiler and operation method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454802A (en) * | 2019-09-05 | 2019-11-15 | 成都市兴蓉再生能源有限公司 | The concentrate for reducing nitrous oxides concentration in furnace enters furnace and returns spray system and return spray method |
| CN114849455A (en) * | 2022-04-24 | 2022-08-05 | 苏州谦恒巨环保科技有限公司 | SNCR denitration treatment boiler furnace temperature measurement control reducing agent injection system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009108726A (en) * | 2007-10-29 | 2009-05-21 | Mitsubishi Heavy Ind Ltd | Exhaust emission control device |
| CN202315691U (en) * | 2011-11-16 | 2012-07-11 | 福建鑫泽环保设备工程有限公司 | SNCR-SCR (Selective Non-Catalytic Reduction-Selective Catalytic Reduction) combined smoke denitration device |
| CN203123800U (en) * | 2012-12-20 | 2013-08-14 | 江苏瑞帆环保装备股份有限公司 | SNCR (Selective Non-Catalytic Reduction) denitration device suitable for garbage incinerator |
| CN203816484U (en) * | 2014-05-09 | 2014-09-10 | 江苏东本环保工程有限公司 | Selective non-catalytic reduction denitration equipment |
| CN204973530U (en) * | 2015-08-12 | 2016-01-20 | 广州特种承压设备检测研究院 | SNCR deNOx systems and msw incineration boiler |
-
2015
- 2015-08-12 CN CN201510494130.XA patent/CN105080322B/en active Active
- 2015-09-30 WO PCT/CN2015/091231 patent/WO2017024664A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432978A (en) * | 2018-12-28 | 2019-03-08 | 启明星宇节能科技股份有限公司 | A kind of denitration flue gas disturbance device |
| CN111214937A (en) * | 2020-03-16 | 2020-06-02 | 中国华能集团清洁能源技术研究院有限公司 | SNCR reactor suitable for power plant boiler and operation method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017024664A1 (en) | 2017-02-16 |
| CN105080322B (en) | 2018-08-07 |
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