CN208465608U - A kind of baking furnace fume locellus denitrating system - Google Patents
A kind of baking furnace fume locellus denitrating system Download PDFInfo
- Publication number
- CN208465608U CN208465608U CN201820673978.8U CN201820673978U CN208465608U CN 208465608 U CN208465608 U CN 208465608U CN 201820673978 U CN201820673978 U CN 201820673978U CN 208465608 U CN208465608 U CN 208465608U
- Authority
- CN
- China
- Prior art keywords
- locellus
- firing chamber
- baking furnace
- water
- pipeline
- 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
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a kind of roasters, and more particularly to a kind of baking furnace fume locellus denitrating system, it belongs to aluminum electrolysis technology field.A kind of baking furnace fume locellus denitrating system, including firing chamber, each firing chamber connects a set of spray equipment, every set spray equipment connects concentration control apparatus, concentration control apparatus is connect with urea storage tank and water supply device, each firing chamber is connected to by channel with flue, is equipped with gas concentration detector in flue outlet.The utility model has the advantages of: the utility model can adjust the flowrate proportioning of urea and dilution water according to the NOx concentration and oxygen content data of each firing chamber's exiting flue gas.The urea concentration sprayed into flue gas is adjusted by adjusting electric control valve opening size.The utility model completion time of project is short, and low energy consumption, and operating cost is low, and system flow is short, safety and environmental protection.
Description
Technical field
The utility model relates to a kind of roasters, and more particularly to a kind of baking furnace fume locellus denitrating system, it belongs to
Aluminum electrolysis technology field.
Background technique
During carbon electrode baked for producing, a large amount of nitrogen oxides can be generated in roaster, nitrogen oxides is to environment dirt
Dye is serious.Application comparative maturity of the denitration technologies such as low nitrogen burning, SNCR, SCR on coal-burning boiler, can achieve lower
Discharge standard.But SNCR method is affected by boiler size, is primarily adapted for use in the supplement process method of low-NO_x combustion technology.SCR
Method for carbon electrode open roasting furnace, by its structure and productive prospecting influenced be it is not applicable, low nitrogen burning is in industry kiln
It is still necessary to further explore for application on furnace.Existing denitration device, it is this de- using the structure for collecting flue gas in main chimney flue
The denitration efficiency of nitre equipment is low, and stability is poor, is put into effect and is supervised by new environmental protection policy, punishment increases increasingly is influenced,
It researches and develops and the system of carbon industry denitration process is suitble to be those skilled in the art's technical problem urgently to be solved.
Summary of the invention
In order to solve the above-mentioned technical problem the utility model provides a kind of baking furnace fume locellus denitrating system, it is therefore an objective to right
Different firing chambers can provide the urea liquid of various concentration, reduce the generation of nitrogen oxides.
A kind of baking furnace fume locellus denitrating system of the utility model for the above-mentioned purpose, including firing chamber, each roasting
Room connects a set of spray equipment, and every set spray equipment connects concentration control apparatus, concentration control apparatus and urea storage tank and confession
Water installations connection, each firing chamber are connected to by channel with flue, are equipped with gas concentration detector in flue outlet.
Every set spray equipment includes the spray gun for being located at firing chamber, the pipeline connecting with spray gun, the other end of pipeline
It is connected to the output end of concentration control apparatus, electric control valve is equipped on pipeline, every pipeline is equipped with the one of air branch pipe
End, air branch pipe are equipped with air door, and the other end of air branch pipe is connect with compressed air pump.
The concentration control apparatus includes filling with the tank connected metering pump of urea storage, the mixing that urea is mixed with water
It sets, water is sent to the first water pump of mixing arrangement, the output end of mixing arrangement and the pipeline of spray equipment connect.
Pipeline between the urea storage tank and concentration control apparatus is equipped with circulating pump.
The water supply device includes the second water pump for sending out water, the water pot connecting with the second water pump.
The utility model has the advantages of: the utility model can according to the NOx concentration of each firing chamber's exiting flue gas and
Oxygen content data adjust the flowrate proportioning of urea and dilution water.Penetrating cigarette is adjusted by adjusting electric control valve opening size
Urea concentration in gas.The utility model completion time of project is short, and low energy consumption, and operating cost is low, and system flow is short, safety and environmental protection.
Detailed description of the invention
Fig. 1 is the utility model connection schematic diagram.
In figure: 1, firing chamber；2, concentration control apparatus；3, urea storage tank；4, water supply device；5, channel；6, flue；7,
Spray gun；8, pipeline；9, electric control valve；10, air branch pipe；11, air door；12, compressed air pump；13, metering pump；14,
Mixing arrangement；15, the first water pump；16, circulating pump；17, the second water pump；18, water pot.
Specific embodiment
Clear and complete description is carried out to the technology case in the utility model embodiment with reference to the accompanying drawings and examples.
Obviously the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.It is practical based on this
Embodiment in novel, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, is fallen within the protection scope of the utility model.
As shown in Figure 1, a kind of baking furnace fume locellus denitrating system of the utility model, including firing chamber 1, each firing chamber
The 1 a set of spray equipment of connection, every set spray equipment connect concentration control apparatus 2, concentration control apparatus 2 and urea storage tank 3 and
Water supply device 4 connects, and each firing chamber 1 is connected to by channel 5 with flue 6, is equipped with gas concentration detector in the outlet of flue 6.
Water supply device 4 includes the second water pump 17 for sending out water, the water pot 18 connecting with the second water pump 17.Urea storage tank 3 and concentration
Pipeline between control device 2 is equipped with circulating pump 16.
Every set spray equipment includes the spray gun 7 for being located at firing chamber 1, the pipeline 8 connecting with spray gun 7, pipeline 8 it is another
One end is connected to the output end of concentration control apparatus 2, and electric control valve 9 is equipped on pipeline 8, and every pipeline 8 is equipped with air
One end of branch pipe 10, air branch pipe 10 are equipped with air door 11, and the other end of air branch pipe 10 is connect with compressed air pump 12.
The concentration control apparatus 2 includes the metering pump 13 connecting with urea storage tank 3, urea is mixed with water mixed
It attaches together and sets 14, water is sent to the first water pump 15 of mixing arrangement 14, the output end of mixing arrangement 14 and the pipeline 8 of spray equipment connect
It connects.
The utility model is conveyed to every set spray equipment after mixing water and urea by concentration control apparatus, reaches each combustion
Burn the effect of room independence denitration.
Claims (5)
1. a kind of baking furnace fume locellus denitrating system, including firing chamber, it is characterised in that each firing chamber connects a set of spray
Device, every set spray equipment connect concentration control apparatus, and concentration control apparatus is connect with urea storage tank and water supply device, each
Firing chamber is connected to by channel with flue, is equipped with gas concentration detector in flue outlet.
2. a kind of baking furnace fume locellus denitrating system according to claim 1, it is characterised in that every set spray equipment packet
The spray gun for being located at firing chamber is included, the other end of the pipeline connecting with spray gun, pipeline is connected to the output end of concentration control apparatus,
Pipeline is equipped with electric control valve, and every pipeline is equipped with one end of air branch pipe, and air branch pipe is equipped with air door, air
The other end of branch pipe is connect with compressed air pump.
3. a kind of baking furnace fume locellus denitrating system according to claim 1, it is characterised in that concentration control apparatus packet
It includes with the tank connected metering pump of urea storage, water is sent to the first water of mixing arrangement by the mixing arrangement that urea is mixed with water
Pump, the output end of mixing arrangement and the pipeline of spray equipment connect.
4. a kind of baking furnace fume locellus denitrating system according to claim 1, it is characterised in that urea storage tank with it is dense
The pipeline spent between control device is equipped with circulating pump.
5. a kind of baking furnace fume locellus denitrating system according to claim 1, it is characterised in that water supply device includes will
The second water pump that water is sent out, the water pot being connect with the second water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820673978.8U CN208465608U (en) | 2018-05-08 | 2018-05-08 | A kind of baking furnace fume locellus denitrating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820673978.8U CN208465608U (en) | 2018-05-08 | 2018-05-08 | A kind of baking furnace fume locellus denitrating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208465608U true CN208465608U (en) | 2019-02-05 |
Family
ID=65220499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820673978.8U Expired - Fee Related CN208465608U (en) | 2018-05-08 | 2018-05-08 | A kind of baking furnace fume locellus denitrating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208465608U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110152466A (en) * | 2019-06-26 | 2019-08-23 | 中国恩菲工程技术有限公司 | Denitration control system and denitration control method |
| CN110514779A (en) * | 2019-07-11 | 2019-11-29 | 西安交通大学 | A kind of experimental system and method for studying coal powder and electrolytic aluminum scraps multifuel combustion characteristic |
| CN111282416A (en) * | 2020-01-23 | 2020-06-16 | 国家电投集团远达环保工程有限公司重庆科技分公司 | Electrolytic aluminum carbon anode roasting flue gas purification equipment and method |
-
2018
- 2018-05-08 CN CN201820673978.8U patent/CN208465608U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110152466A (en) * | 2019-06-26 | 2019-08-23 | 中国恩菲工程技术有限公司 | Denitration control system and denitration control method |
| CN110514779A (en) * | 2019-07-11 | 2019-11-29 | 西安交通大学 | A kind of experimental system and method for studying coal powder and electrolytic aluminum scraps multifuel combustion characteristic |
| CN111282416A (en) * | 2020-01-23 | 2020-06-16 | 国家电投集团远达环保工程有限公司重庆科技分公司 | Electrolytic aluminum carbon anode roasting flue gas purification equipment and method |
| CN111282416B (en) * | 2020-01-23 | 2022-08-16 | 国家电投集团远达环保工程有限公司重庆科技分公司 | Electrolytic aluminum carbon anode roasting flue gas purification equipment and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208465608U (en) | A kind of baking furnace fume locellus denitrating system | |
| CN104888591A (en) | Boiler flue gas denitration purification system and boiler flue gas denitration purification method | |
| CN205392185U (en) | Gas boiler catalytic denitrification system | |
| CN102179171B (en) | Multi-stage themolysis coupled denitration method using front flow field uniformizing device and device thereof | |
| CN204555717U (en) | Warm flue gas SCR denitration device in a kind of cement kiln end | |
| CN104190253A (en) | Coke oven flue gas SCR denitration system | |
| CN106090969A (en) | A kind of coal-burning boiler SNCR+SCR denitrification apparatus cooperation optimizes and revises method | |
| CN204724003U (en) | The cleaning system of denitration of boiler smoke | |
| CN104548931A (en) | Device for producing ammonia gas through pyrolysis of urea by using high-temperature flue gas as heat source | |
| CN108518698A (en) | Smoke catalytic recycling device | |
| CN203316010U (en) | Flue gas denitration system with SCR and SNCR coupled | |
| CN203916465U (en) | A kind of equipment for denitrifying flue gas | |
| CN208398098U (en) | Smoke catalytic recycling device | |
| CN204543995U (en) | A kind of cement kiln end low-temperature smoke air SCR denitrification apparatus | |
| CN106823757A (en) | Chain furnace composite denitration equipment | |
| CN109974463A (en) | Vehicle bottom formula roaster energy-saving and emission-reduction system | |
| CN110141944A (en) | A kind of SNCR and PNCR synergistic combinations denitrating system and denitration method for flue gas for High-temp. kiln | |
| CN108939892A (en) | Cement decomposing furnace lower cone gametic fertility system | |
| CN108079777A (en) | A kind of coal-fired plant flue gas low-temperature denitration method and its device | |
| CN207350356U (en) | Smoke-heating device for denitrating system | |
| CN211120612U (en) | Low-nitrogen combustion system of tunnel furnace | |
| CN204063029U (en) | A kind of middle-size and small-size low nitrogen coal powder burner used for industrial furnace | |
| CN209254487U (en) | A kind of cement kiln denitration chilling bypass system | |
| CN207335140U (en) | A kind of gas-burning heating boiler for civil use | |
| CN207962627U (en) | A kind of direct SNCR systems being atomized using compressed natural gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |