CN206430547U - Extraordinary catalytic reduction method composite denitration system - Google Patents
Extraordinary catalytic reduction method composite denitration system Download PDFInfo
- Publication number
- CN206430547U CN206430547U CN201621115558.5U CN201621115558U CN206430547U CN 206430547 U CN206430547 U CN 206430547U CN 201621115558 U CN201621115558 U CN 201621115558U CN 206430547 U CN206430547 U CN 206430547U
- Authority
- CN
- China
- Prior art keywords
- box
- smoke
- vapor
- connection
- kiln
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Treating Waste Gases (AREA)
Abstract
A kind of extraordinary catalytic reduction method composite denitration system of the utility model, the system includes rotary kiln, the kiln tail smoke-box and dore furnace of rotary kiln afterbody are arranged on, the system also includes smoke-box flue extension tube, low NO, the vapor catalyzed device of kiln tail, tertiary air air inlet and C4 tremie pipes；The C4 tremie pipes include 2 symmetrically arranged tremie pipes, 2 material distributing valves and 2 blanking branch pipes, 2 blanking branch pipes and are made up of 2 upper branch pipes and 2 lower branch lines, and the vapor catalyzed device of kiln tail includes 3 steam jets, circulating line, vapor catalyzed dose of tank, flowmeter, control valve, vapour source and catalyst.SNCR denitration system reducing agent ammonia volume 50% 100% can be saved on the premise of discharged nitrous oxides are constant, 5 10 milligrams every cubic metre of the escaping of ammonia is reduced.The pollution that discharged nitrous oxides are caused to air is efficiently solved, and is produced without new pollution sources, with good application value.
Description
Technical field
The utility model belongs to environmental technology field, more particularly to a kind of special type suitable for dry-process cement clinker production line
Catalytic reduction method composite denitration system.
Background technology
The data issued according to Chinese cement net and Chinese cement association：The cement annual capacity of China in 2012 is up to 2,500,000,000
Ton, existing novel dry-method cement clinker production line 2000 is a plurality of, and the nitrogen oxide emission in cement production process accounts for national nitrogen
The 15%~20% of emissions of oxides total amount, cement manufacturers nitrogen oxides and sulfide emission administer extremely urgent,
Using fractional combustion, the denitration of SNCR modes, the ammonia process of desulfurization and calcium method desulphation mode reduction pollutant more than Present Cement manufacturing enterprise
Discharge capacity, but the escaping of ammonia that above-mentioned technique is caused causes secondary pollution to air again, therefore improve and improve above-mentioned technique, cut
The escaping of ammonia produced in real reduction discharged nitrous oxides and reduction nitrogen oxides governance process is inexorable trend.And it is existing
SNCR denitration technique, reducing agent ammoniacal liquor（20% content）Consumption substantially in 3-5 kg/t clinkers, the escaping of ammonia in 5-12PPm or so,
Ton clinker denitration cost 2-5 members/t, cause cement production enterprise to increase by ten thousand yuan of production cost 300-800 every year.
The content of the invention
In order to solve the above problems, the purpose of this utility model be to provide it is a kind of simple in construction, improve SNCR denitration efficiency,
Reduce NOx discharge, reduction ammonia volume and the extraordinary catalytic reduction method composite denitration system for reducing amount of ammonia slip.
The technical solution of the utility model is：Extraordinary catalytic reduction method composite denitration system, the system includes rotary kiln, kiln
Tail smoke-box, smoke-box flue and dore furnace, the system also include smoke-box flue extension tube, low NO, the vapor catalyzed dress of kiln tail
Put, tertiary air air inlet and C4 tremie pipes；
The C4 tremie pipes include 2 symmetrically arranged tremie pipes, 2 material distributing valves and 2 blanking branch pipes, under described 2
Material branch pipe is made up of 2 upper branch pipes and 2 lower branch lines,
The vapor catalyzed device of kiln tail includes 3 steam jets, circulating line, air inlet pipe, vapor catalyzed dose of tank, flows
Meter, control valve, vapour source and catalyst；
The kiln tail smoke-box is arranged on the afterbody of rotary kiln, and the kiln tail smoke-box is provided with the smoke-box flue, the smoke-box
Flue extension tube is arranged on the smoke-box flue, and is connected with the dore furnace, and the lower furnace body lower end of the dore furnace is symmetrically set
There is the first seasoning spreading box, 2 symmetrically arranged tremie pipe one end are connected with the discharging opening of self-discharging cyclone cylinder, the other end is respectively with 2
The charging aperture connection of individual first seasoning spreading box, the tertiary air air inlet is arranged on and the decomposition in the first seasoning spreading box same level
On the body of heater of stove, 2 described upper branch pipe one end are connected by material distributing valve with the middle part of 2 tremie pipes respectively, 2 it is described on
The one end of the other end of branch pipe respectively with 2 lower branch lines is connected, and the other end of 2 lower branch lines is respectively equipped with second and spread
Magazine, 2 second seasoning spreading boxes are symmetricly set on the smoke-box flue, are arranged with the smoke-box cigarette of the second seasoning spreading box
Also being set in distance in the plane in road has 3 low NOs and 3 steam jets, described in 3 low NOs and 3
Steam jet tilts down setting, the center of the center line and the dore furnace of the low NO and the steam jet
Angle between axis is α, and α=15 °, 3 steam jets are connected with the circulating line on the outside of setting smoke-box flue, the annular
Pipeline is connected by air inlet pipe with vapor catalyzed dose of tank, and the vapor catalyzed dose of tank passes through flowmeter and control valve and the steam
Source is connected；The low NO is connected by pipeline with a point coal device.
Further, the system also includes the vapor catalyzed device of kiln hood, the vapor catalyzed device steam jet of kiln hood, air inlet
Pipe, vapor catalyzed dose of tank, flowmeter, control valve, vapour source and catalyst.
Further, the structure of first seasoning spreading box and the second seasoning spreading box is identical, and structure is：Splicing plate, spreading plate and with
Charging aperture that C4 tremie pipes are connected and with decomposing the discharging opening that furnace body is connected, the splicing plate and spreading plate are end to end,
Overall in sector, the splicing plate is in 30 degree of overturning angles settings, and the inner surface of the splicing plate is stepped, and ladder is no less than
5 grades, the spreading plate is equipped with compressed air spout, the splicing in horizontally disposed on each section ladder of the splicing plate
Plate bottom is not less than 30 centimetres provided with material hole, the length of the spreading plate is disclosed.
Further, the low NO, including housing, jet pipe, swirl vanes and air inlet；The housing be provided with into
Air port, the jet pipe is arranged on the enclosure interior, and the end of the jet pipe is connected with pipeline, and the swirl vanes socket is in place
Between jet pipe front end and air inlet on the jet pipe, the blades of the swirl vanes is twisted blade, and blade is from air intake
Be 90 ° to the angle that outlet air end is distorted, be 0 in air intake blade face and axial angle, i.e., it is parallel with x-axis, then wait radian
Uniform gradually transition, when transitting to outlet air end, blade face and x-axis angle are 45 °.
Further, a diameter of 20-30cm of the nozzle of the low NO.
Further, the cross section of the smoke-box flue and the smoke-box flue extension tube is circle, and the smoke-box flue
The length of extension tube is not less than 1m.
Further, the flow of the vapor in the vapor catalyzed device of the kiln hood is 80-100kg/h, the vapor
Originate as waste heat boiler saturated vapor, temperature is 200-300 DEG C.
Further, the mass percent of each component of the catalyst：Nickel 25-30%, titanium 15-25%, chromium 5-15%, silicon
15-25%, calcium 10%, remaining as inevitable impurity.
Principle of the present utility model is：The system will set up smoke-box flue between dore furnace hypocentrum and smoke-box flue and prolong
Long tube, and circular body is revised as in the cross section of smoke-box flue and smoke-box flue extension tube, the time of coal dust firing is extended,
Low NO position is moved down, after coal dust sprays into dore furnace, can be burnt in less space, thus in smoke-box
Top and one oxygen-poor reduction combustion zone of conical section formation to the following dore furnace of tertiary air air inlet, while the waste heat introduced
Generating saturated vapor vaporize at high operating temperatures with the activated hydrogen with reduction characteristic, burnt with spraying into the oxygen-poor reduction
Area is mixed with coal dust, enters the tertiary air containing sufficient oxygen of dore furnace in dore furnace lower furnace body with reference to from three air inlets
Middle and upper part fully burnt with coal dust and carbon monoxide；Coal dust is set to be generated under high temperature environment similar to water-gas
Reducing agent, and the NOx formed in rotary kiln is reduced to the nitrogen of cleaning in catalytic action using this reducing agent, reduce NOx's
Discharge capacity, is quickly generated while suppressing nitrogen oxides in dore furnace；Suppress the generation of fuel NO and reach denitration
Purpose.
Kiln tail smoke-box ascending air contains 3.5%-4.5% oxygen, and the coal dust of penetrating can burn in the region, and burning is caused
Raise the regional temperature, skinning is formed with increase trend, the problem of in order to solve skinning increase, while by level Four blanking
Pipe branch is attached to above the low NO of smoke-box flue the temperature for being to reduce the region using the raw material branched away and maintained
In 1150 degrees centigrades, it is to avoid refractory material is caused damage, the generation of skinning is prevented and reduced；The environment temperature maintained simultaneously
Degree is adapted to reducing agent and the nitrogen oxides that system is produced is reduced into free of contamination nitrogen, reduces ammoniacal liquor usage amount and the escaping of ammonia, ammonia
Water consumption can reduce 50-100% on year-on-year basis.Energy-saving and NOx abatement effect to clinker production process is fairly obvious.
The utility model beneficial effect is：Due to using above-mentioned technical proposal, the utility model can be changed by above-mentioned technology
The reducing agent produced similar to water-gas is made, the thermal NO x that can be produced effectively in reduction kiln, suppression fuel type NOx life
Into the effectively reduction NOx generation from source.Non-secondary pollution, is generated without pollutant or accessory substance.To clinker production line
Operation and clinker yield and quality have no adverse effects.To SNCR operations without negative effect, ammoniacal liquor or urea consumption are reduced, reducing agent is reduced
Operating cost.Operational factor is optimised, and lifts clinker yield and quality, and energy conservation and consumption reduction effects are notable.To former SNCR denitration system without
Negative effect ensures clinker production line yield and quality without under negative effect precondition, and SNCR denitration ammonia volume reduces by more than 50%,
Implement effective reduction NOXDischarge capacity（5000t/d cement producing lines can reduce NO every yearX1600 tons or so of discharge）, improve
Quality of air environment；Change impression of the common people to conventional cement industry；Cement industry is enhanced to develop national recycling economy
Supporting role；The control ability spread to pollutant is improved, the technology that sustainable development is set up in cement production enterprise is shown
Model pattern, is significant to improving technology in cement industry level, environmental protection and energy-saving and emission-reduction；
Above-mentioned technology energy-saving effect after novel dry-method cement clinker production line application is very notable：In discharged nitrous oxides
SNCR denitration system reducing agent ammonia volume 50%-100% can be saved on the premise of constant, 5-10 milligrams of the escaping of ammonia is reduced and often stands
Square rice.The pollution that discharged nitrous oxides are caused to air is efficiently solved, and is produced without new pollution sources, with good
Application value.It is annual in the constant situation of discharged nitrous oxides concentration so that one is produced daily 5000 tons of clinker production lines as an example
Ten thousand yuan of ammoniacal liquor expense 200-450 can be saved for enterprise.
Brief description of the drawings
Fig. 1 is the structural representation of extraordinary catalytic reduction method composite denitration system of the present utility model.
Fig. 2 is enlarged diagram at A in Fig. 1.
Fig. 3 is the smoke-box flue schematic top plan view in the utility model system.
Fig. 4 be the utility model system in seasoning spreading box structural representation.
Fig. 5 be the utility model system in seasoning spreading box schematic top plan view.
Fig. 6 is the vapor catalyzed apparatus structure schematic diagram of kiln hood in the utility model system.
Fig. 7 be the utility model system in low NO structural representation.
Fig. 8 be the utility model system in low NO swirl vanes structural representation.
Embodiment
The technical solution of the utility model is described further with reference to the accompanying drawings and detailed description.
As shown in figs 1 to 6, the extraordinary catalytic reduction method composite denitration system of the utility model, the system includes rotary kiln,
Kiln tail smoke-box, smoke-box flue and dore furnace, it is vapor catalyzed that the system also includes smoke-box flue extension tube, low NO, kiln tail
Device, tertiary air air inlet and C4 tremie pipes；
The C4 tremie pipes include 2 symmetrically arranged tremie pipes, 2 material distributing valves and 2 blanking branch pipes, under described 2
Material branch pipe is made up of 2 upper branch pipes and 2 lower branch lines,
The vapor catalyzed device of kiln tail includes 3 steam jets, circulating line, air inlet pipe, vapor catalyzed dose of tank, flows
Meter, control valve, vapour source and catalyst；
The kiln tail smoke-box is arranged on the afterbody of rotary kiln, and the kiln tail smoke-box is provided with the smoke-box flue, the smoke-box
Flue extension tube is arranged on the smoke-box flue, and is connected with the dore furnace, and the lower furnace body lower end of the dore furnace is symmetrically set
There is the first seasoning spreading box, 2 symmetrically arranged tremie pipe one end are connected with the discharging opening of self-discharging cyclone cylinder, the other end is respectively with 2
The charging aperture connection of individual first seasoning spreading box, the tertiary air air inlet is arranged on and the decomposition in the first seasoning spreading box same level
On the body of heater of stove, 2 described upper branch pipe one end are connected by material distributing valve with the middle part of 2 tremie pipes respectively, 2 it is described on
The one end of the other end of branch pipe respectively with 2 lower branch lines is connected, and the other end of 2 lower branch lines is respectively equipped with second and spread
Magazine, 2 second seasoning spreading boxes are symmetricly set on the smoke-box flue, are arranged with the smoke-box cigarette of the second seasoning spreading box
Also being set in distance in the plane in road has 3 low NOs and 3 steam jets, described in 3 low NOs and 3
Steam jet tilts down setting, the center of the center line and the dore furnace of the low NO and the steam jet
Angle between axis is α, and α=15 °, 3 steam jets are connected with the circulating line on the outside of setting smoke-box flue, the annular
Pipeline is connected by air inlet pipe with vapor catalyzed dose of tank, and the vapor catalyzed dose of tank passes through flowmeter and control valve and the steam
Source is connected；The low NO is connected by pipeline with a point coal device.
The system also includes the vapor catalyzed device of kiln hood, the vapor catalyzed device steam jet of kiln hood, air inlet pipe, steam
Catalyst tank, flowmeter, control valve, vapour source and catalyst.
The structure of first seasoning spreading box and the second seasoning spreading box is identical, and structure is：Splicing plate, spreading plate and with C4 tremie pipes
The charging aperture being connected and the discharging opening being connected with decomposition furnace body, the splicing plate and spreading plate are end to end, overall in fan
Shape, the splicing plate is set in 30 degree of overturning angles, and the inner surface of the splicing plate is stepped, and ladder is no less than 5 grades, described
Spreading plate is equipped with compressed air spout, the splicing plate bottom is set in horizontally disposed on each section ladder of the splicing plate
Material hole is disclosed, the length of the spreading plate is not less than 30 centimetres.
The low NO, including housing, jet pipe, swirl vanes and air inlet；The housing is provided with air inlet, institute
State jet pipe and be arranged on the enclosure interior, the end of the jet pipe is connected with pipeline, and the swirl vanes are socketed in positioned at jet pipe
Between front end and air inlet on the jet pipe, the blade of the swirl vanes is twisted blade, and blade is from air intake to air-out
The angle of end distortion is 90 °, with axial angle is 0 in air intake blade face, i.e., parallel with x-axis, then wait radian uniformly by
Gradual transition, when transitting to outlet air end, blade face and x-axis angle are 45 °.
A diameter of 20-30cm of the nozzle of the low NO.
The cross section of the smoke-box flue and the smoke-box flue extension tube is circle, and the smoke-box flue extension tube
Length is not less than 1m.
The flow of vapor in the vapor catalyzed device of kiln hood is 80-100kg/h, and the source of the vapor is
Waste heat boiler saturated vapor, temperature is 200-300 DEG C.
The mass percent of each component of the catalyst：Nickel 25-30%, titanium 15-25%, chromium 5-15%, silicon 15-25%,
Calcium 10%, remaining as inevitable impurity.
Claims (8)
1. a kind of extraordinary catalytic reduction method composite denitration system, the denitrating system includes rotary kiln, rotary kiln afterbody is arranged on
Kiln tail smoke-box and dore furnace（3）, it is characterised in that the system also includes smoke-box flue extension tube（11）, low NO
（14）, the vapor catalyzed device of kiln tail（9）, tertiary air air inlet（6）With C4 tremie pipes（5）；
The C4 tremie pipes（5）Including 2 symmetrically arranged tremie pipes（5-1）, 2 material distributing valves（5-2）With 2 blanking branch pipes
（5-3）, 2 blanking branch pipes are by 2 upper branch pipes（5-3）With 2 lower branch lines（5-4）Composition,
The vapor catalyzed device of kiln tail（9）Including 3 steam jets（9-1）, circulating line（9-2）, vapor catalyzed dose of tank（9-
3）, flowmeter（9-4）, control valve（9-5）, vapour source（9-6）And catalyst（13）；
Wherein, the smoke-box flue extension tube（11）One end and dore furnace（3）Hypocentrum end connection, kiln described in the other end
The smoke-box flue of tail smoke-box（4）Connection, the dore furnace（3）Lower furnace body（16）The side wall positioned at middle part on be symmetrically arranged with
First seasoning spreading box（8）, 2 symmetrically arranged tremie pipes（5-1）One end and self-discharging cyclone cylinder（7）Discharging opening connection, it is another
End respectively with 2 the first seasoning spreading boxes（8）Charging aperture connection, the tertiary air air inlet（6）It is arranged on and the first seasoning spreading box（8）
Dore furnace in same level（3）Body of heater on, 2 upper branch pipes（5-3）One end passes through material distributing valve respectively（5-2）With 2
The individual tremie pipe（5-1）Middle part connection, 2 upper branch pipes（5-3）The other end respectively with 2 lower branch lines（5-
4）One end connection, 2 lower branch lines（5-4）The other end be respectively equipped with the second seasoning spreading box（10）, 2 second spreadings
Box（10）It is symmetricly set on the smoke-box flue（4）On, it is arranged with the second seasoning spreading box（10）The smoke-box flue of lower section
Side wall is provided with 3 steam jets（9-1）, 3 steam jets（9-1）It is provided with the smoke-box flue sidewall of lower section
3 low NOs（14）, 3 low NOs（14）With 3 steam jets（9-1）Tilt down and set
Put, the low NO（14）With the steam jet（9-1）Center line and the dore furnace（3）Central axis between
Angle be a, a=15 °, 3 steam jets（9-1）With being arranged on smoke-box flue（4）The circulating line in outside（9-2）Connection, institute
State circulating line（9-2）Pass through air inlet pipe and vapor catalyzed dose of tank（9-3）Connection, the vapor catalyzed dose of tank（9-3）Pass through stream
Gauge（9-4）And control valve（9-5）With the vapour source（9-6）Connection；The low NO（14）Pass through pipeline（15）With
Divide the connection of coal device.
2. denitrating system according to claim 1, it is characterised in that the denitrating system also includes the vapor catalyzed device of kiln hood
（12）, the vapor catalyzed device of kiln hood include steam jet（12-1）, vapor catalyzed dose of tank（12-2）, flowmeter（12-3）、
Control valve（12-4）And vapour source（12-5）；
The steam jet（12-1）It is arranged on the rotary kiln（1）Kiln hood position, the vapor catalyzed dose of tank（12-2）'s
One end passes through pipeline and the steam jet（12-1）Connection, the vapor catalyzed dose of tank（12-2）The other end pass through the stream
Gauge（12-3）And control valve（12-4）With the vapour source（12-5）Connection, the catalyst is arranged on described vapor catalyzed dose
The catalyst is provided with tank（13）.
3. denitrating system according to claim 1 or 2, it is characterised in that first seasoning spreading box（8）With the second seasoning spreading box
（10）Structure it is identical, its structure is：Splicing plate（8-3）, spreading plate（8-4）With with C4 tremie pipes（5）The charging aperture being connected
（8-1）With the discharging opening being connected with decomposition furnace body（8-2）, the splicing plate（8-3）With spreading plate（8-4）It is end to end, it is whole
Body is in sector, the spreading plate（8-4）In horizontally disposed, the splicing plate（8-3）It is inclined to set and in the spreading plate（8-
4）One end it is affixed, the splicing plate（8-3）Inner surface be stepped, the splicing plate（8-3）Each section ladder on
Provided with compressed air spout（8-5）, and ladder is no less than 5 grades, the splicing plate（8-3）Each section ladder on be equipped with compression
Air port（8-5）, the splicing plate bottom, which is provided with, discloses material hole（8-6）, the spreading plate（8-4）Length be not less than 30 lis
Rice, and splicing plate（8-3）End is not less than 80 centimetres.
4. denitrating system according to claim 1 or 2, it is characterised in that the low NO（14）, including housing
（14-1）, jet pipe（14-2）, swirl vanes（14-3）And air inlet（14-4）；The housing（14-1）It is provided with air inlet（14-
4）, the jet pipe（14-2）It is arranged on the housing（14-1）Inside, the jet pipe（14-2）End be connected with pipeline, it is described
Swirl vanes（14-3）It is socketed in positioned at jet pipe（14-2）Front end and air inlet（14-4）Between in the jet pipe（14-2）On, institute
State swirl vanes（14-3）Blade be twisted blade, the angle that blade distort from air intake to outlet air end be 90 °, in air intake
Blade face is 0 with axial angle, i.e., parallel with x-axis, then waits the uniform gradually transition of radian, when transitting to outlet air end, blade
Face and x-axis angle are 45 °.
5. denitrating system according to claim 1 or 2, it is characterised in that the smoke-box flue（4）With the smoke-box flue
Extension tube（11）Cross section be circle, and the smoke-box flue extension tube（11）Length be not less than 1m.
6. denitrating system according to claim 2, it is characterised in that the vapor catalyzed device of kiln hood（9）In catalysis
The flow that vapor enters in dore furnace afterwards is 80-100kg/h, and the source of vapor is waste heat boiler saturated vapor, and temperature is
200-300℃。
7. denitrating system according to claim 4, it is characterised in that the jet pipe（14-2）A diameter of 20-30cm.
8. denitrating system according to claim 3, it is characterised in that the splicing plate（8-3）With spreading plate（8-4）Between
Angle be 150 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621115558.5U CN206430547U (en) | 2016-10-11 | 2016-10-11 | Extraordinary catalytic reduction method composite denitration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621115558.5U CN206430547U (en) | 2016-10-11 | 2016-10-11 | Extraordinary catalytic reduction method composite denitration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206430547U true CN206430547U (en) | 2017-08-22 |
Family
ID=59588741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621115558.5U Active CN206430547U (en) | 2016-10-11 | 2016-10-11 | Extraordinary catalytic reduction method composite denitration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206430547U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595294A (en) * | 2016-10-11 | 2017-04-26 | 北京绿岩环保科技有限责任公司 | Special type catalytic reduction method composite denitration system |
-
2016
- 2016-10-11 CN CN201621115558.5U patent/CN206430547U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595294A (en) * | 2016-10-11 | 2017-04-26 | 北京绿岩环保科技有限责任公司 | Special type catalytic reduction method composite denitration system |
| CN106595294B (en) * | 2016-10-11 | 2020-05-22 | 北京绿岩环保科技有限责任公司 | Catalytic reduction method composite denitration system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205137439U (en) | Oxygendeficient steam hangs down ammonia combustion system | |
| CN105042585B (en) | Coal burner | |
| CN204141575U (en) | Be applicable to the coal burner nozzle being with minor air cell's cement decomposing furnace fuel-staged combustion | |
| CN108261843A (en) | The efficiently quick device and method for reducing rotary kiln oxynitrides | |
| CN107620962B (en) | A kind of biogas low NO | |
| CN203731858U (en) | Novel kiln tail decomposing furnace device of cement clinker production line | |
| CN205133418U (en) | Catalysis of cement kiln steam and coal powder gasification system | |
| CN206430547U (en) | Extraordinary catalytic reduction method composite denitration system | |
| CN105318330A (en) | Burner and method capable of improving combustion effect of heat storage type furnace | |
| CN201250186Y (en) | Multi-air-intake denitrogenation-type decomposing furnace | |
| CN206683420U (en) | A kind of hypoxemia flameless combustion nitrogen rejection facility for cement kiln tail smoke-box | |
| CN206858496U (en) | A kind of activating and reducing combustion with meagre oxygen system | |
| CN106731811A (en) | A kind of SCR flue gas denitrification systems ammonia-gas spraying device | |
| CN106595294A (en) | Special type catalytic reduction method composite denitration system | |
| CN206637835U (en) | A kind of environment protection vertical boiler with heat recovery and utilization | |
| CN204901753U (en) | Coal burner | |
| CN207702504U (en) | The SCR denitration structure of boiler tail device | |
| CN110452737A (en) | A kind of the entrained flow gasification furnace apparatus and gasification process of four burners positive and negative rotation | |
| CN102213422A (en) | Multi-channel mixed gas burner | |
| CN202087235U (en) | Multi-level thermolysis coupling denitrification device with pre-flow field equalizing device | |
| CN204063029U (en) | A kind of middle-size and small-size low nitrogen coal powder burner used for industrial furnace | |
| CN209246062U (en) | A kind of nitrogen oxides device reducing offal biomass fuel combustion | |
| CN204986995U (en) | Pulverized coal combustion system | |
| CN208418725U (en) | A kind of packaged boiler burner for various gas multifuel combustion | |
| CN202032584U (en) | Multi-channel mixed gas combustor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |