CN105080322B - SNCR denitration system and garbage burning boiler - Google Patents
SNCR denitration system and garbage burning boiler Download PDFInfo
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- CN105080322B CN105080322B CN201510494130.XA CN201510494130A CN105080322B CN 105080322 B CN105080322 B CN 105080322B CN 201510494130 A CN201510494130 A CN 201510494130A CN 105080322 B CN105080322 B CN 105080322B
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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
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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
- B01D53/74—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
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- 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
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- Environmental & Geological Engineering (AREA)
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- General Chemical & Material Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to a kind of SNCR denitration system and garbage burning boilers, are installed in burner hearth, and for carrying out denitration to flue gas, the SNCR denitration system includes denitrfying agent spray gun and flow spoiler, and denitrfying agent spray gun is installed on the water-cooling wall of the burner hearth；Flow spoiler is circumferentially disposed along the water-cooling wall of the burner hearth, and the flow spoiler is located on the emission path of the flue gas, and the flow spoiler is located at the downstream of the denitrfying agent spray gun, and the flow-disturbing air-flow that sprayable formation is opposite with the flow of flue gas direction.Flow spoiler is set to the top of denitrfying agent spray gun, and sprays the flow-disturbing air-flow opposite with flow of flue gas direction by above-mentioned SNCR denitration system, so that the denitrfying agent residence time is increased by ejecting flow-disturbing air-flow, conducive to denitration reduction reaction it is uniform with it is abundant.In addition, the jet-stream wind of flow spoiler disturbs denitrfying agent, the uniformity of denitrfying agent is made to improve, to further increase the reactivity of denitration reaction.
Description
Technical field
The present invention relates to technical field of waste incineration, more particularly to a kind of SNCR denitration system and garbage burning boiler.
Background technology
With the quickening and the improvement of people's living standards of urbanization paces, domestic quantity of refuse increases substantially, rubbish
Harmless treatment is at inevitable choice.Currently, the processing most countries to rubbish use refuse incineration exhaust-heating boiler to rubbish
Burning disposal is carried out, incineration treatment of garbage is garbage disposal minimizing at this stage, recycling and the highest one kind of innoxious degree
Treatment technology, and burning the thermal energy generated can be with heat supply or power generation.But while it will produce nitrogen oxidation in Refuse Incineration Process
The pollutants such as object will cause the ecosystem severe shadow if being directly discharged to without smoke eliminator in environment
It rings.
The process that nitrogen oxides is reduced into nitrogen is referred to as denitrification process, and generally use selects in existing denitration technology
Property catalytic reduction method (SCR) and selective non-catalytic reduction method (SNCR), the application and industrialization of the restoring method of two ways
Degree is higher, wherein the advantages that selective non-catalytic reduction method (SNCR) is small, operating cost is low, short construction period due to investment,
And it is widely used.
Usually, in selective non-catalytic reduction method denitrification process, due to not having to use catalyst, denitration reaction is most
Good preference temperature is 800~1200 degree, but the reason of the temperature of waste incineration and boiler structure, causes to be suitble to denitration reaction
Temperature region has limitation, and denitrfying agent leads to nitrogen in the sufficient region just having left suitable for reaction of unreacted
The removal efficiency of oxide is relatively low.
Invention content
Based on this, it is necessary in existing selective non-catalytic reduction method denitrification process, removal of nitrogen oxide rate compared with
Low problem, providing one kind keeps denitrification process reaction abundant, improves the SNCR denitration system and garbage burning boiler of denitrification rate.
A kind of SNCR denitration system, is installed in burner hearth, for carrying out denitration, the SNCR denitration system packet to flue gas
It includes：
Denitrfying agent spray gun is installed on the water-cooling wall of the burner hearth；
Flow spoiler, the water-cooling wall along the burner hearth is circumferentially disposed, and the flow spoiler is located on the emission path of the flue gas,
And the flow spoiler is located at the downstream of the denitrfying agent spray gun, and the flow-disturbing that sprayable formation is opposite with the flow of flue gas direction
Air-flow.
Flow spoiler is set to the top of denitrfying agent spray gun, and sprayed and flow of flue gas direction phase by above-mentioned SNCR denitration system
Anti- flow-disturbing air-flow makes flue gas increase suitable for the residence time in denitration reaction area, is conducive to denitration by ejecting flow-disturbing air-flow
Reduction reaction it is uniform with it is abundant.In addition, the jet-stream wind of flow spoiler disturbs denitrfying agent, the uniformity of denitrfying agent is made to carry
Height, to further increase the reactivity of denitration reaction.
In a wherein embodiment, the burner hearth includes the first water-cooling wall and the second water-cooling wall being oppositely arranged respectively, with
And third water-cooling wall and the 4th water-cooling wall, first water-cooling wall, third water-cooling wall, the second water-cooling wall and the 4th water-cooling wall
It is sequentially connected to enclose and sets to form the burner hearth, the denitrfying agent spray gun is respectively arranged in the first water-cooling wall and described of the burner hearth
Two water-cooling walls, the SNCR denitration system are installed on the burner hearth entrance；
Wherein, the relatively described burner hearth import is installed on the mounting height of the denitrfying agent spray gun of first water-cooling wall
More than the mounting height for the denitrfying agent spray gun for being installed on second water-cooling wall.
In a wherein embodiment, it is located at the equidistant horizontal arrangement of denitrfying agent spray gun of first water-cooling wall, is located at described
The equidistant horizontal arrangement of denitrfying agent spray gun of second water-cooling wall；
Denitrfying agent spray gun positioned at first water-cooling wall interlocks phase with the denitrfying agent spray gun positioned at second water-cooling wall
To arrangement.
In a wherein embodiment, the flow spoiler for being set to first water-cooling wall and the second water-cooling wall is located at the denitration
Above agent spray gun, and the vertical distance respectively away from the denitrfying agent spray gun line is equal.
In a wherein embodiment, the flow spoiler of first water-cooling wall is set to away from the vertical of the burner hearth import
Distance is the first height, and it is second to be set to the flow spoiler of second water-cooling wall away from the vertical distance of the burner hearth import
Highly, it is described first away from the distance of the burner hearth import positioned at the flow spoiler of the third water-cooling wall and the 4th water-cooling wall
The average value of height and second height.
In a wherein embodiment, the air flow direction of the flow spoiler is relatively orthogonal to towards burner hearth import direction
The perpendicular of the water-cooling wall of the burner hearth is obliquely installed.
In a wherein embodiment, each flow spoiler forms flow-disturbing towards next flow spoiler with injection
Eddy flow.
In a wherein embodiment, the flow spoiler is relatively orthogonal to the angle between the plane of the water-cooling wall of the burner hearth
It is 10~25 degree.
In a wherein embodiment, the flow spoiler is connected to the furnace outlet, and can furnace outlet described in pumpback
Flue gas is to the burner hearth entrance；
Wherein, the flue gas of furnace outlet described in the flow spoiler pumpback accounts for 5%~8% of amount of flue gas emission in the burner hearth.
A kind of garbage burning boiler includes such as above-mentioned SNC denitrating systems.
Description of the drawings
Fig. 1 is the partial structural diagram of the garbage burning boiler in present pre-ferred embodiments；
Fig. 2 is the vertical view of the section of burner hearth of garbage burning boiler shown in FIG. 1；
Fig. 3 is the layout drawing of the flow spoiler of garbage burning boiler shown in FIG. 1.
Specific implementation mode
To facilitate the understanding of the present invention, below with reference to relevant drawings to invention is more fully described.In attached drawing
Give the preferred embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein
Described embodiment.Keep the understanding to the disclosure more saturating on the contrary, purpose of providing these embodiments is
It is thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the Listed Items of pass.
As shown in Figures 1 and 2, the SNCR denitration system 10 in present pre-ferred embodiments, is installed in burner hearth 30, is used for
Denitration is carried out to flue gas, which includes denitrfying agent spray gun 12 and flow spoiler 14.The denitrfying agent spray gun 12 is installed
In the water-cooling wall of burner hearth 30, the flow spoiler 14 is circumferentially disposed along the water-cooling wall of burner hearth, which is located at the discharge road of flue gas
On diameter, and the flow spoiler 14 is located at the downstream of the denitrfying agent spray gun 12, and can form the flow-disturbing gas opposite with flow of flue gas direction
Stream.
Specifically, in the present embodiment, which is installed on the entrance of burner hearth 30, which includes the
One water-cooling wall 32, the second water-cooling wall 34, third water-cooling wall 36 and the 4th water-cooling wall 38, first water-cooling wall 32 and the second water-cooling wall
34 and third water-cooling wall 36 be oppositely arranged respectively with the 4th water-cooling wall 38, first water-cooling wall 32, third water-cooling wall 36,
Two water-cooling walls 34 and the 4th water-cooling wall 38, which are sequentially connected to enclose, to be set to form the burner hearth 30.The denitrfying agent spray gun 12 is installed on burner hearth 30
The first water-cooling wall 32 and the second water-cooling wall 34 of entrance, the flow spoiler 14 and 30 outlet of burner hearth, and can pumpback burner hearth 30
For the flue gas of outlet to the entrance of burner hearth 30, the flow spoiler 14 is circumferentially disposed along the water-cooling wall of burner hearth 30, and opposite denitrfying agent sprays
Rifle 12 is positioned above, and forms the flow-disturbing air-flow towards 30 import of the burner hearth.
It should be noted that the first water-cooling wall 32 and the second water-cooling wall 34 respectively preceding water-cooling wall of boiler furnace 30 are with after
Water-cooling wall, third 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.Boiler furnace 30
The technical term that front, rear, left and right water-cooling wall is well known to those skilled in the art, therefore do not repeat its specific definition herein.
In the present embodiment, which is urea or ammonium hydroxide, and the flue gas of the 14 pumpback burner hearth 30 of flow spoiler outlet accounts for burner hearth
The 5%~8% of amount of flue gas emission in 30 burns after rubbish enters the formation incinerator of fire grate 22 on fire grate 22, combustion process
In can generate nitrogen oxides, by denitrfying agent spray gun 12 spray denitrfying agent nitrogen oxides is reduced into nitrogen, reach pollutant
Removal effect.In general, the ideal response temperature of ammonium hydroxide denitration is 850~1100 degree, the ideal response temperature of urea denitration is 900
~1150 degree, the sufficient dwell time in rational temperature range, denitration reaction could react abundant.Usually, waste incineration
Flue-gas temperature meet the ideal response temperature of denitrfying agent in the entrance of burner hearth 30, and flow spoiler 14 is set to denitrfying agent spray gun
12 top, and the fume reverse extraction that burner hearth 30 is exported sprays, and forms the flow-disturbing air-flow opposite with flow of flue gas direction, passes through spray
Penetrating flow-disturbing air-flow makes gas residence time increase, and is conducive to the uniform and abundant progress of denitration reduction reaction.It is existing by actually detected
Residence time of some flue gases in ideal reaction temperature region is about 0.5 second, and installing flow spoiler 14 additional can be stopped using flue gas
Time increase by 10%, meanwhile, the jet-stream wind of flow spoiler 14 disturbs denitrfying agent, and the uniformity of denitrfying agent is made to improve, from
And improve the reactivity of denitration reaction.
It is appreciated that the position of SNCR denitration system can be according to the ideal response temperature of different denitrfying agents and waste incineration
Depending on the structure of boiler, it is not limited thereto.
Please continue to refer to Fig. 1, since the structure of burner hearth 30 causes the temperature range of comburant flue gas to have differences, to adapt to
This difference, opposite 30 import of burner hearth, the mounting height for being installed on the denitrfying agent spray gun 12 of the first water-cooling wall 32 are more than and are installed on the
The mounting height of two water-cooling walls, 34 denitrfying agent spray gun 12, to ensure denitrfying agent formed reaction surface and flue gas isothermal temperature face
It is close to coincide, it is conducive to improve the reactivity of denitration reaction.Preferably, it is located at the denitrfying agent spray of the first water-cooling wall 32 of burner hearth 30
Rifle 12 is multiple, and it is also multiple to be located at the denitrfying agent spray gun 12 of the second water-cooling wall 34 of burner hearth 30, is located at the first water of burner hearth 30
The 12 equidistant horizontal arrangement of denitrfying agent spray gun of cold wall 32 is located at the 12 equidistant horizontal arrangement of denitrfying agent spray gun of the second water-cooling wall 34.
That is, the first water-cooling wall 32 is equipped with multiple denitrfying agent spray guns 12 being intervally arranged, the second water-cooling wall 34 is equipped with multiple
The denitrfying agent spray gun 12 being intervally arranged, and the line of the denitrfying agent spray gun 12 on the first water-cooling wall 32 is horizontally disposed, is located at
The line of denitrfying agent spray gun 12 on second water-cooling wall 34 is horizontally disposed.Further, it is located at the denitrfying agent of the first water-cooling wall 32
Spray gun 12 with positioned at the second water-cooling wall 34 denitrfying agent spray gun 12 interlock arranged relative, more clearly say, be located at the first water-cooling wall
A 32 denitrfying agent spray gun 12 corresponds to the position between two denitrfying agent spray guns 12 of the second water-cooling wall 34, opposite to be formed
Uniform spraying area makes denitration reaction evenly.
Referring to Fig. 1, the flow spoiler 14 for being set to the first water-cooling wall 32 and the second water-cooling wall 34 is located at corresponding take off
The top of nitre agent spray gun 12, and the vertical distance respectively away from corresponding 12 line of denitrfying agent spray gun is equal.In the present embodiment, respectively
The flow spoiler 14 for being set to first water-cooling wall, 32 and second water-cooling wall 34 connects away from the corresponding denitrfying agent spray gun 12
The distance of line is 300~800 millimeters.In this way, making flow-disturbing effect reach best, to make combustion product gases rest on reasonable reaction area
The time in domain increases, to improve reaction efficiency.
Preferably, it is the first height to be set to the flow spoiler 14 of the first water-cooling wall 32 away from the vertical distance of 30 import of burner hearth,
It is the second height that the flow spoiler 14 of the second water-cooling wall 34, which is set to, away from the vertical distance of 30 import of burner hearth, is located at third water-cooling wall 36
And the 4th water-cooling wall 38 vertical distance of the flow spoiler 14 away from 30 import of burner hearth be the first height and the second height average value, from
And keep 14 place plane of flow spoiler substantially parallel with 12 place plane of denitrfying agent spray gun, make flow-disturbing air-flow evenly, and then make to take off
Nitre reaction more uniformly with fully.
Also referring to Fig. 2 and Fig. 3, which is relatively orthogonal to stove towards 30 import direction of burner hearth
The perpendicular of 30 water-cooling wall of thorax is obliquely installed, and each flow spoiler 14 forms flow-disturbing rotation towards next flow spoiler 14, with injection
Stream.That is, the air flow direction of flow spoiler 14 diagonally under, be set to the first water-cooling wall 32, the second water-cooling wall 34, third water
The flow-disturbing air-flow that flow spoiler 14 in cold wall 36 and the 4th water-cooling wall 38 is sprayed towards obliquely downward respectively, to form an eddy flow, into
And make denitrfying agent residence time long side in ideal conversion zone, and be conducive to the uniform sprinkling of denitrfying agent and fully react, it improves
Denitration reaction rate.In the present embodiment, the flow spoiler 14 to the angle between the plane of the water-cooling wall of burner hearth 30 be 10~
25 degree.
Based on above-mentioned SNCR denitration system 10, also provide a kind of garbage burning boiler (figure is not marked).
Specifically, as shown in Figure 1, the garbage burning boiler includes combustion apparatus 20 and burner hearth 30, burner hearth 30 is connected to the combustion
Equipment 20 is burnt, for flue gas to be discharged.The combustion apparatus 20 includes fire grate 22 and combustion chamber 24, the import of burner hearth 30 and combustion chamber
24 connections, fire grate 22 burn for putting the comburants such as rubbish in combustion chamber 24.
Flow spoiler 14 is set to the top of denitrfying agent spray gun 12 by above-mentioned SNCR denitration system 10 and garbage burning boiler, and
The fume reverse extraction injection that burner hearth 30 is exported, forms the flow-disturbing air-flow opposite with flow of flue gas direction, by spraying flow-disturbing air-flow
So that gas residence time is increased, be conducive to denitration reduction reaction it is uniform with it is abundant.In addition, the jet-stream wind of flow spoiler 14 is to denitration
Agent is disturbed, and the uniformity of denitrfying agent is made to improve, to further increase the reactivity of denitration reaction.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (6)
1. a kind of SNCR denitration system, is installed in burner hearth, for carrying out denitration to flue gas, which is characterized in that the SNCR is de-
Nitre system includes：
Denitrfying agent spray gun is installed on the water-cooling wall of the burner hearth entrance；The burner hearth includes the first water being oppositely arranged respectively
Cold wall and the second water-cooling wall and third water-cooling wall and the 4th water-cooling wall, first water-cooling wall, third water-cooling wall, the second water
Cold wall and the 4th water-cooling wall, which are sequentially connected to enclose, to be set to form the burner hearth, and the denitrfying agent spray gun is respectively arranged in the burner hearth
The first water-cooling wall and second water-cooling wall, the SNCR denitration system be installed on the burner hearth entrance；
Wherein, the relatively described burner hearth import, the mounting height for being installed on the denitrfying agent spray gun of first water-cooling wall are more than
It is installed on the mounting height of the denitrfying agent spray gun of second water-cooling wall, the denitrfying agent spray gun for being located at first water-cooling wall is equidistant
Horizontal arrangement is located at the equidistant horizontal arrangement of denitrfying agent spray gun of second water-cooling wall, is located at the denitration of first water-cooling wall
Agent spray gun interlocks arranged relative with the denitrfying agent spray gun positioned at second water-cooling wall；
Flow spoiler, the water-cooling wall along the burner hearth is circumferentially disposed, and the flow spoiler is located on the emission path of the flue gas, and institute
State the downstream that flow spoiler is located at the denitrfying agent spray gun, and the flow-disturbing gas that sprayable formation is opposite with the flow of flue gas direction
Stream, the air flow direction of the flow spoiler towards burner hearth import direction, and be relatively orthogonal to the burner hearth water-cooling wall it is vertical
Plane is obliquely installed, and each flow spoiler forms flow-disturbing eddy flow towards next flow spoiler with injection.
2. SNCR denitration system according to claim 1, which is characterized in that be set to first water-cooling wall and the second water
The flow spoiler of cold wall is located above the denitrfying agent spray gun, and the vertical distance respectively away from the denitrfying agent spray gun line is equal.
3. SNCR denitration system according to claim 2, which is characterized in that be set to the described of first water-cooling wall and disturb
It is the first height to flow vertical distance of the device away from the burner hearth import, is set to the flow spoiler of second water-cooling wall away from described
The vertical distance of burner hearth import is the second height, is located at the flow spoiler of the third water-cooling wall and the 4th water-cooling wall away from described
The distance of burner hearth import is the average value of first height and second height.
4. SNCR denitration system according to claim 1, which is characterized in that the flow spoiler is relatively orthogonal to the burner hearth
Water-cooling wall plane between angle be 10~25 degree.
5. SNCR denitration system according to claim 1, which is characterized in that the flow spoiler connects with the furnace outlet
It is logical, and can furnace outlet described in pumpback flue gas to the burner hearth entrance；
Wherein, the flue gas of furnace outlet described in the flow spoiler pumpback accounts for 5%~8% of amount of flue gas emission in the burner hearth.
6. a kind of garbage burning boiler, which is characterized in that including SNCR denitration system as claimed in any one of claims 1 to 5, wherein
System.
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 |
|---|---|
| CN105080322A CN105080322A (en) | 2015-11-25 |
| CN105080322B true CN105080322B (en) | 2018-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510494130.XA Active CN105080322B (en) | 2015-08-12 | 2015-08-12 | SNCR denitration system and garbage burning boiler |
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| Country | Link |
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| CN (1) | CN105080322B (en) |
| WO (1) | WO2017024664A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432978B (en) * | 2018-12-28 | 2023-05-02 | 启明星宇节能科技股份有限公司 | Denitration flue gas disturbance device |
| 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 |
| 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 |
| 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
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| WO2017024664A1 (en) | 2017-02-16 |
| CN105080322A (en) | 2015-11-25 |
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