CN207584777U - A kind of denitration dual firing chamber in garbage incineration process - Google Patents
A kind of denitration dual firing chamber in garbage incineration process Download PDFInfo
- Publication number
- CN207584777U CN207584777U CN201721223311.XU CN201721223311U CN207584777U CN 207584777 U CN207584777 U CN 207584777U CN 201721223311 U CN201721223311 U CN 201721223311U CN 207584777 U CN207584777 U CN 207584777U
- Authority
- CN
- China
- Prior art keywords
- flue
- air inlet
- gas outlet
- firing chamber
- dual firing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model is related to incineration of waste technical field, the denitration dual firing chamber in especially a kind of garbage incineration process.Denitration dual firing chamber in a kind of garbage incineration process of the utility model, including vertically disposed flue, flue at least three is sequentially connected in series connection between each flue by flue.The new device is connected by more flues, is configured with denitrification apparatus, and using classification air supply mode, realize the abundant denitration and burning of the flue gas in dual firing chamber, reduce environmental pollution.
Description
Technical field
The utility model is related to incineration of waste technical field, the denitration dual firing chamber in especially a kind of garbage incineration process.
Background technology
With the continuous improvement of environmental requirement, it is essential that waste incineration industry carries out denitration.Since conventional is urged
Change denitration（SCR）The applicable elements of technique mutually conflict with the technical specification with waste incineration, and the non-catalytic denitration of high temperature（SNCR）
The use condition of technique and the process conditions in dual firing chamber's stage of waste incineration are adapted, so, the denitration of waste incineration with
Based on SNCR denitration technology.Mating denitrification apparatus few and be mostly single flue in existing dual firing chamber, flue gas is mixed with denitrfying agent
Close uneven, denitration effect is poor, exist simultaneously that smoke combustion is insufficient, and environment is impacted and dual firing chamber takes up a large area
Problem.
Invention content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide the denitration two in a kind of garbage incineration process
Room is fired, which is connected by more flues, is configured with denitrification apparatus, and using classification air supply mode, realize in dual firing chamber
Flue gas abundant denitration and burning.
In order to achieve the above objectives, the technical solution of the utility model is achieved like this：In a kind of garbage incineration process
Denitration dual firing chamber, including vertically disposed flue, flue at least three is sequentially connected in series by flue between each flue
Connection.
Further improvement of the utility model is in addition, the air inlet of odd number flue is located at the lower part of the flue, gas outlet position
In the top of the flue；The air inlet of even number flue is located at the top of the flue；Gas outlet is located at the lower part of the flue；First
Flue is connected with smoke-intake pipe road, and the gas outlet of adjacent flue is connected with air inlet by flue, the last item flue
Gas outlet be connected with smoke discharging pipe；The air inlet side of each flue is both provided with air supply line, air supply line and flue phase
Connection；The air inlet side of flue in an intermediate position has denitrfying agent to add in mouth in all flues；Air supply line and fume pipe
Angle is 30 ° between road.
Further improvement of the utility model is the first flue, the second flue, third cigarette respectively in addition, flue has three
Road；The gas outlet of first flue is connected with the air inlet of the second flue；The gas outlet of second flue and the air inlet of third flue
Mouth is connected；The air inlet side of second flue has denitrfying agent to add in mouth；The air inlet side of each flue is both provided with air duct
Road, angle is 30 ° between air supply line and flue.
Further improvement of the utility model is the first flue, the second flue, the respectively in addition, flue can be four
Three flues, the 4th flue；The gas outlet of first flue is connected with the air inlet of the second flue；The gas outlet of second flue and the
The air inlet of three flues is connected；The gas outlet of third flue is connected with the air inlet of the 4th flue.
Further improvement of the utility model is the first flue, the second flue, the respectively in addition, flue can be five
Three flues, the 4th flue, the 5th flue；The gas outlet of first flue is connected with the air inlet of the second flue；Second flue
Gas outlet is connected with the air inlet of third flue；The gas outlet of third flue is connected with the air inlet of the 4th flue；4th
The gas outlet of flue is connected with the air inlet of the 5th flue.
Denitrfying agent adds in mouth and is connected with nozzle；Nozzle sprays the direction of denitrfying agent and the direction phase of flow of flue gas in flue
Instead, denitrfying agent can be made to be sufficiently mixed with flue gas using this connection mode, fully improves denitration efficiency.
The beneficial effects of the utility model：(1) device is connected by more flues, is configured with denitrification apparatus, is realized
The abundant denitration of flue gas in dual firing chamber, and save space；(2) using the one every section classification air supply mode for air port, it is convenient for
Air feed and flue gas are sufficiently mixed, abundant conducive to gas burning；(3) along flow of flue gas direction flue in an intermediate position
Smoke-intake pipe road inlet side has denitrfying agent to add in mouth, and spray the direction of denitrfying agent and the direction of flow of flue gas in flue on the contrary,
It is sufficiently mixed convenient for denitrfying agent and flue gas, improves denitration efficiency.
Description of the drawings
Flow of flue gas direction schematic diagram in flue when Fig. 1 is 1 four flues of the utility model embodiment.
Flow of flue gas direction schematic diagram in flue when Fig. 2 is 2 three flues of the utility model embodiment.
Flow of flue gas direction schematic diagram in flue when Fig. 3 is 3 five flues of the utility model embodiment.
Fig. 4 is the structure diagram of the denitration dual firing chamber in a kind of 1 garbage incineration process of the utility model embodiment.
In figure：1st, flue, 2, flue, 3, air supply line, 4, denitrfying agent add in mouth, 5, smoke-intake pipe road, 6, smoke exhaust pipe
Road, the 11, first flue, the 12, second flue, 13, third flue, the 14, the 4th flue, the 15, the 5th flue.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and detailed description.
Embodiment 1：A kind of denitration dual firing chamber in garbage incineration process, including vertically disposed flue 1, flue 1 is at least
There are three, connection is sequentially connected in series by flue 2 between each flue 1.
The air inlet of odd number flue is located at the lower part of the flue, and gas outlet is located at the top of the flue；Even number flue into
Gas port is located at the top of the flue；Gas outlet is located at the lower part of the flue；First flue is connected with smoke-intake pipe road 5, adjacent
The gas outlet of flue is connected with air inlet by flue 2, and the gas outlet of the last item flue is connected with smoke discharging pipe 6
It connects；The air inlet side of each flue 1 is both provided with air supply line 3, and air supply line 3 is connected with flue 1；In all flues 1
There is denitrfying agent to add in mouth 4 in the air inlet side of the flue 1 in centre position；Angle is between air supply line 3 and flue 2
30°.Flue 1 has four, is the first flue 11, the second flue 12, third flue 13, the 4th flue 14 respectively；First flue 11
Gas outlet be connected with the air inlet of the second flue 12；The gas outlet of second flue 12 is connected with the air inlet of third flue 13
It connects；The gas outlet of third flue 13 is connected with the air inlet of the 4th flue 14.
Denitrfying agent adds in mouth 4 and is connected with nozzle 5, and nozzle 5 sprays the direction of flow of flue gas in the direction and flue of denitrfying agent
On the contrary, being sufficiently mixed convenient for denitrfying agent with flue gas, denitration efficiency is improved.
In specific implementation, arrow direction is flow of flue gas direction, and flue gas passes sequentially through four smoke pipes 1, and flue 1, which uses, to be cut
Area is circular flue, and flue gas flow rate is designed as 5-6 meter per seconds, every 1 diameter of flue, the flue gas of every section of flue 1 are determined with this
Residence time is 1 second, and 1 height of flue is determined with this.
Setting air supply line 3 realizes classification air feed beside every 2 entrance of flue, and makes the flow direction and flue gas flow direction of wind
Into 30 ° of angle, convenient for being sufficiently mixed for air feed and flue gas；In addition can baffle be set in flue 2 so that flue gas passes in and out
Every section of flue 1, all tangential disengaging, further improves the mixing of flue gas and air feed.The cigarette of second flue 12,13 flue of third root
Denitrfying agent is provided with by 2 entrance of feed channel and adds in mouth 4, denitrfying agent uses ammonium hydroxide or urea liquid, and denitrfying agent is led to spray pattern
It crosses nozzle to add in flue 1, nozzle sprays the direction of denitrfying agent with the direction of flow of flue gas in flue 1 on the contrary, convenient for denitrfying agent
It is sufficiently mixed with flue gas, improves denitration efficiency.
Embodiment 2：Be with the difference of embodiment 1, flue 1 has three, be respectively the first flue 11, the second flue 12,
Third flue 13；The gas outlet of first flue 11 is connected with the air inlet of the second flue 12；The gas outlet of second flue 12 with
The air inlet of third flue 13 is connected.
Embodiment 3：Be with the difference of embodiment 1, flue 1 has five, be respectively the first flue 11, the second flue 12,
Third flue 13, the 4th flue 14, the 5th flue 15；The gas outlet of first flue 11 is connected with the air inlet of the second flue 12
It connects；The gas outlet of second flue 12 is connected with the air inlet of third flue 13；The gas outlet of third flue 13 and the 4th flue
14 air inlet is connected；The gas outlet of 4th flue 14 is connected with the air inlet of the 5th flue 15.
Claims (6)
1. a kind of denitration dual firing chamber in garbage incineration process, including vertically disposed flue (1), it is characterised in that：The cigarette
At least three, road (1) is sequentially connected in series connection, the air inlet one of each flue (1) between each flue (1) by flue (2)
Side is both provided with air supply line (3), and air supply line (3) is connected with flue (1)；It is in an intermediate position in all flues (1)
The air inlet side of flue (1) has denitrfying agent to add in mouth (4).
2. the denitration dual firing chamber in garbage incineration process according to claim 1, which is characterized in that the air inlet of odd number flue
Mouth is located at the lower part of the flue, and gas outlet is located at the top of the flue；The air inlet of even number flue is located at the top of the flue；Go out
Gas port is located at the lower part of the flue；First flue is connected with smoke-intake pipe road (5), and gas outlet and the air inlet of adjacent flue lead to
It crosses flue (2) to be connected, the gas outlet of the last item flue is connected with smoke discharging pipe (6)；The air supply line (3) with
Angle is 30 ° between flue (2).
3. the denitration dual firing chamber in garbage incineration process according to claim 1 or 2, which is characterized in that flue (1) has three
Item is the first flue (11), the second flue (12), third flue (13) respectively；The gas outlet of first flue (11) and the second cigarette
The air inlet in road (12) is connected；The gas outlet of second flue (12) is connected with the air inlet of third flue (13).
4. the denitration dual firing chamber in garbage incineration process according to claim 3, which is characterized in that the second flue (12)
Air inlet side has denitrfying agent to add in mouth (4)；The air inlet side of each flue (1) is both provided with air supply line (3), air supply line
(3) angle is 30 ° between flue (2).
5. the denitration dual firing chamber in garbage incineration process according to claim 1 or 2, which is characterized in that flue (1) has four
Item is the first flue (11), the second flue (12), third flue (13), the 4th flue (14) respectively；First flue (11) go out
Gas port is connected with the air inlet of the second flue (12)；The gas outlet of second flue (12) and the air inlet phase of third flue (13)
Connection；The gas outlet of third flue (13) is connected with the air inlet of the 4th flue (14).
6. the denitration dual firing chamber in garbage incineration process according to claim 1 or 2, which is characterized in that flue (1) has five
Item is the first flue (11), the second flue (12), third flue (13), the 4th flue (14), the 5th flue (15) respectively；The
The gas outlet of one flue (11) is connected with the air inlet of the second flue (12)；The gas outlet of second flue (12) and third flue
(13) air inlet is connected；The gas outlet of third flue (13) is connected with the air inlet of the 4th flue (14)；4th flue
(14) gas outlet is connected with the air inlet of the 5th flue (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721223311.XU CN207584777U (en) | 2017-09-22 | 2017-09-22 | A kind of denitration dual firing chamber in garbage incineration process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721223311.XU CN207584777U (en) | 2017-09-22 | 2017-09-22 | A kind of denitration dual firing chamber in garbage incineration process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207584777U true CN207584777U (en) | 2018-07-06 |
Family
ID=62728406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721223311.XU Expired - Fee Related CN207584777U (en) | 2017-09-22 | 2017-09-22 | A kind of denitration dual firing chamber in garbage incineration process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207584777U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542097A (en) * | 2019-09-11 | 2019-12-06 | 王惠生 | Efficient and low-cost comprehensive in-furnace denitration method for waste incineration |
-
2017
- 2017-09-22 CN CN201721223311.XU patent/CN207584777U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542097A (en) * | 2019-09-11 | 2019-12-06 | 王惠生 | Efficient and low-cost comprehensive in-furnace denitration method for waste incineration |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104645828A (en) | SCR denitration device and method applied to high-dust-content smoke from kiln tail of cement clinker production line | |
| CN206424777U (en) | A kind of boiler afterheat reclaims desulfuring and denitrifying apparatus | |
| CN208275247U (en) | Denitrification apparatus | |
| CN212575883U (en) | Desulfurization and denitrification device for brick kiln | |
| CN201719926U (en) | Flue gas dedusting system in pulverized coal fired boiler | |
| CN112880416A (en) | Ultralow emission method and system for cement kiln flue gas NOx | |
| CN203990305U (en) | A kind of multidirectional injection SNCR adds individual layer SCR denitrating system | |
| CN207584777U (en) | A kind of denitration dual firing chamber in garbage incineration process | |
| CN203564958U (en) | Ammonia injection grid for flue gas denitration | |
| CN109621717A (en) | A kind of ammonia-gas spraying device for quick mixed flue gas | |
| CN211119320U (en) | Low-nitrogen combustion circulating fluidized bed boiler | |
| CN202683061U (en) | Automatic SNCR (Selective Non Catalytic Reduction) denitration anti-blocking jet atomization spraying gun device for smoke dust environment | |
| CN106731811A (en) | A kind of SCR flue gas denitrification systems ammonia-gas spraying device | |
| CN206637835U (en) | A kind of environment protection vertical boiler with heat recovery and utilization | |
| CN206391868U (en) | A kind of SCR flue gas denitrification systems mixing ammonia-gas spraying device | |
| CN205461720U (en) | Coal fired boiler high temperature SOx/NOx control equipment | |
| CN202087235U (en) | Multi-level thermolysis coupling denitrification device with pre-flow field equalizing device | |
| CN204619751U (en) | A kind of SCR denitration device being applied to cement clinker production line kiln tail high-dust flue gas | |
| CN213286364U (en) | Grate rotary kiln pelletizing flue gas reposition of redundant personnel deNOx systems | |
| CN211435702U (en) | Multi-pollutant integrated removing system of circulating fluidized bed boiler | |
| CN209221872U (en) | A kind of recuperative heater flue gas denitrification system of two-stage accumulation of heat | |
| CN203235414U (en) | Flue gas desulfurizer | |
| CN208340492U (en) | A kind of coal-fired flue-gas sulfur trioxide removing means based on quenched trona | |
| CN206474018U (en) | A kind of smoke eliminator | |
| CN207298957U (en) | A kind of energy-saving combustion heating plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20200922 |