CN208194116U - A kind of full load equipment for denitrifying flue gas - Google Patents
A kind of full load equipment for denitrifying flue gas Download PDFInfo
- Publication number
- CN208194116U CN208194116U CN201820523487.5U CN201820523487U CN208194116U CN 208194116 U CN208194116 U CN 208194116U CN 201820523487 U CN201820523487 U CN 201820523487U CN 208194116 U CN208194116 U CN 208194116U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- equipment
- control system
- scr reactor
- full load
- 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
- 239000003546 flue gas Substances 0.000 title claims abstract description 57
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 56
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000012544 monitoring process Methods 0.000 claims abstract description 28
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 16
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 15
- 238000005507 spraying Methods 0.000 claims abstract description 14
- 239000007789 gas Substances 0.000 claims abstract description 11
- 238000002360 preparation method Methods 0.000 claims abstract description 10
- 238000013459 approach Methods 0.000 claims abstract description 4
- 238000009826 distribution Methods 0.000 claims description 14
- 238000004868 gas analysis Methods 0.000 claims description 12
- 238000013480 data collection Methods 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 239000003054 catalyst Substances 0.000 abstract description 10
- 239000000428 dust Substances 0.000 abstract description 4
- -1 SCR reactor Chemical compound 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a kind of full load equipment for denitrifying flue gas, including SCR reactor, ammonia spraying system and denitration control system, the SCR reactor is in the flue duct bypass after boiler tail deduster, multilayer low temperature catalyst is equipped in SCR reactor, the ammonia spraying system is arranged on the gas approach of SCR reactor, it is connected with reducing agent preparation system, the denitration control system is connected with each equipment of equipment for denitrifying flue gas, for carrying out parameter monitoring and operation control to each equipment.The utility model is by drawing former boiler dust remover exiting flue gas, into ultralow temperature SCR device, boiler exhaust gas system is returned after having handled, by spraying reductant into ultralow temperature SCR device, to meet the needs of engineering discharge and safety in production, and the operating parameter of denitrification apparatus and the operation conditions of equipment are effectively monitored and controlled by control system.
Description
Technical field
The utility model relates to denitrating flue gas fields, in particular to a kind of full load equipment for denitrifying flue gas.
Background technique
Station boiler is the power-equipment of big power station, and oxynitrides average emission is dense in flue gas in the process of running
Degree is much higher than state-set standard (about 50mg/Nm3(mark dry)), it is generally filled using conventional scr in boiler normal course of operation
Denitration is set, to meet emission request；And much lower, pot when flue-gas temperature is than operating normally in starting or blowing out and underload
The original SCR of furnace is not normally functioning.It controls and requires for sulfur dioxide and nitrogen oxides of the reply " 12th Five-Year Plan " to Thermal Power Generation Industry,
Meet the requirement of " fossil-fuel power plant atmospheric pollutant emission standard " (GB13223-2011), power plant is quasi- to take measures to carry out nitrogen oxides
Emission reduction is administered.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides a kind of full load equipment for denitrifying flue gas, pass through by
Former boiler dust remover exiting flue gas is drawn, and into ultralow temperature SCR device, boiler exhaust gas system is returned after having handled, so that
The present apparatus can be run under the conditions of any boiler load, by spraying reductant into ultralow temperature SCR device, to meet engineering discharge
And the needs of safety in production, the operating parameter of denitrification apparatus and the operation conditions of equipment are effectively supervised by control system
Depending on and control, and the total emission volumn and concentration of emission that can maintain automatically the pollutants such as NOx according to boiler operatiopn operating condition are normal
In range, to meet environmental requirements.
To achieve the goals above, the technical solution of the utility model is as follows:
A kind of full load equipment for denitrifying flue gas, including SCR reactor, ammonia spraying system and denitration control system, the SCR
Reactor is equipped with multilayer low temperature catalyst, the ammonia spray in the flue duct bypass after boiler tail deduster in SCR reactor
The system of penetrating is arranged on the gas approach of SCR reactor, is connected with reducing agent preparation system, the denitration control system and flue gas
Each equipment of denitrification apparatus is connected, for carrying out parameter monitoring and operation control to each equipment.
Further, the SCR reactor is longitudinally arranged in flue duct bypass, flue gas in SCR reactor from top to bottom
Flowing.
Further, gas baffle is equipped in the flue and flue duct bypass after the boiler tail deduster.
Further, the SCR reactor is packaged type SCR reactor.
Further, the denitration control system includes PLC control system, flue gas analysis monitoring system and thermal control power supply system
System, the PLC control system respectively with each monitoring point of equipment for denitrifying flue gas and reducing agent preparation system, ammonia spraying system,
Flue gas analysis monitoring system is connected with thermal control power-supply system.
Further, the PLC control system includes microprocessor, the microprocessor respectively with data acquisition and processing (DAP)
System, analog control system and sequence control system are connected, and the Data collection and precessing system is each for acquiring and handling
Monitoring point signal and equipment state signal, the analog control system are used for dense to the NOx in SCR reactor inlet and outlet flue gas
Degree carries out closed loop and adjusts control, and the sequence control system is used to control the starting, stopping, the metering of reducing agent point of denitrification apparatus
Match and conveys.
Further, the PLC control system further includes LCD touch screen, and the LCD touch screen is connected with microprocessor,
For denitration monitoring and control centre.
Further, the flue gas analysis monitoring system is set in the inlet and outlet flue of SCR reactor, and monitoring result is logical
PLC control system of the bound transmission really up to the mark into control system cabinet.
Further, the flue gas analysis monitoring system includes that sequentially connected sampling system, analytic unit and signal are defeated
System out.
Further, the thermal control power-supply system includes thermal control power distribution panel and reaction zone power distribution cabinet, the thermal control electricity
Source distributor box and reaction zone power distribution cabinet are connected with PLC control system respectively.
Compared with prior art, the utility model has the beneficial effects that
The utility model SCR flue gas denitrification system is arranged in low ash section, i.e., after SCR reactor is arranged in deduster, arrangement
It is just smaller in this position flue-gas temperature low volume, catalyst can be saved, and catalyst is not easy dust stratification, deashing can be effectively reduced
Number, while the aperture that honeycomb catalyst can be done is smaller closeer, such overall structure is compact, and reactor volume is smaller, and grey herein
Concentration is small, can reduce the abrasion of catalyst, increases catalyst service life；
The utility model SCR reactor is in gas bypass, easy switching, and when switching does not influence the operation of other equipment；
The reducing agent of SCR flue gas denitrification system uses existing equipment, improves the utilization rate of equipment, investment reduction；SCR body volume is small,
Conveniently moving, can more boilers share；
The utility model uses PLC centralized control using denitration control system, and operations staff realizes in operating platform
Monitoring and control and realization to the respective reactor zone boiler group SCR denitration device monitor the equipment in reducing agent preparation area
And control, denitration control system is under unit accidental conditions, the operation conditions of operating parameter and equipment to denitrification apparatus
It is effectively monitored and is controlled, and total emission volumn and the row of the pollutants such as NOx can be maintained automatically according to boiler operatiopn operating condition
It puts concentration in the normal range, to meet environmental requirements, while on the spot under the cooperation of patrol officer, the whole series can be completed on a small quantity
The start and stop of denitrating system control, and the normal operation of denitrating system is using LCD touch screen as monitoring means.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the utility model equipment for denitrifying flue gas structural schematic diagram；
Fig. 2 is the utility model denitration control system architecture schematic diagram；
Fig. 3 is the utility model PLC control system structure chart；
Wherein, 1 deduster；2 house outlet flues；3 draw flue；4 Reactor inlet measuring points；5 ammonias/air mixing
Device；6 ammonia spraying systems；7 reactors；8 reactor outlet measuring points；9 heat-energy recovering apparatus；10 return to flue；11 chimneys；12 reduction
Agent preparation system；13 dilution wind systems.
Specific embodiment
The utility model is described further with specific embodiment with reference to the accompanying drawing.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In the present invention, term for example "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal",
The orientation or positional relationship of the instructions such as " side ", "bottom" is to be based on the orientation or positional relationship shown in the drawings, only to facilitate chatting
The relative for stating each component of the utility model or component structure relationship and determination, not refer in particular in the utility model either component or
Element should not be understood as limiting the present invention.
In the utility model, term such as " affixed ", " connected ", " connection " be shall be understood in a broad sense, and expression can be fixation
Connection, is also possible to be integrally connected or be detachably connected；It can be directly connected, the indirect phase of intermediary can also be passed through
Even.Related scientific research or technical staff for this field can determine as the case may be above-mentioned term in the present invention
Concrete meaning, should not be understood as limiting the present invention.
As background technique is introduced, exist in the prior art in boiler normal course of operation generally using conventional scr
Device denitration, to meet emission request；And it is much lower when in starting or blowing out and underload, flue-gas temperature is than operating normally,
The problems such as original SCR of boiler is not normally functioning, in order to solve technical problem as above, present applicant proposes a kind of full load
Equipment for denitrifying flue gas, into ultralow temperature SCR device, is returned again by drawing former boiler dust remover exiting flue gas after having handled
To boiler exhaust gas system, by spraying reductant into ultralow temperature SCR device, to meet the needs of engineering discharge and safety in production,
The operating parameter of denitrification apparatus and the operation conditions of equipment are effectively monitored and controlled by control system, and being capable of root
The total emission volumn and concentration of emission for maintaining the pollutants such as NOx automatically according to boiler operatiopn operating condition in the normal range, to meet environmental protection
It is required that.
As shown in Figure 1, a kind of full load equipment for denitrifying flue gas, including SCR reactor 7, ammonia spraying system 6 and denitration control
System, the SCR reactor 7 are equipped with multilayer low temperature in the flue duct bypass after boiler tail deduster 1 in SCR reactor 7
Catalyst, the ammonia spraying system 6 are arranged on the gas approach of SCR reactor 7, are connected with reducing agent preparation system 12, institute
It states denitration control system to be connected with each equipment of equipment for denitrifying flue gas, for carrying out parameter monitoring and operation control to each equipment.
The SCR reactor 7 is longitudinally arranged in flue duct bypass, and entrance passes through the cigarette after drawing flue 3 and deduster 1
Road 2 is connected, and outlet is connected by returning to flue 10 with the flue 2 after deduster 1, and flue gas from top to bottom flows in SCR reactor 7
It is dynamic, and chimney 11 is discharged by house outlet flue 2, it is discharged in atmosphere by chimney 11.
The SCR reactor 7 is packaged type SCR reactor.
In specific implementation, 7 entrance of SCR reactor sets airflow uniform distribution device, and the outlet of reactor 7 is equipped with thermal energy recycling dress
Set 9.
In specific implementation, scene needs that connection flue is transformed, and is connected in reactor 7 in flue gas stroke, i.e. pot
Deduster 1 rear pass 2 in furnace tail portion increases bypass flue, while gas baffle is arranged in flue 2 and flue duct bypass.
This reactor is mounted on boiler bypass flue, and when boiler startup is moved to beside flue, is connected pipeline and is put into operation.
The utility model denitrification apparatus is installed in low ash section, i.e., after SCR reactor 7 is arranged in deduster 1, system flue gas
Flow velocity is low, and cigarette collateral resistance is small, including draws flue 3, returns to flue 10 and 7 ontology drag overall of reactor less than 1000Pa.
The ammonia spraying system 6 by ammonia/air mixer 5 respectively with reducing agent preparation system 12, i.e., ammonia supply
System is connected with dilution wind system 13.
The low temperature catalyst is cellular low temperature catalyst, preferably 3 layers.
As shown in Fig. 2, the denitration control system includes PLC control system, flue gas analysis monitoring system and thermal control power supply
System, the PLC control system are with each monitoring point of equipment for denitrifying flue gas and reducing agent preparation system 12, ammonia injection respectively
System 6, flue gas analysis monitoring system are connected with thermal control power-supply system.
As shown in figure 3, the PLC control system includes microprocessor, the microprocessor acquires and locates with data respectively
Reason system, analog control system and sequence control system are connected, and the Data collection and precessing system is for acquiring and handling
Each monitoring point signal and equipment state signal, the analog control system are used to import and export in flue gas SCR reactor 7
NOx concentration carries out closed loop and adjusts control, and the sequence control system is used to control the starting of denitrification apparatus, stopping, reducing agent
Metering distribution and conveying.
In specific implementation, the basic function of the data Collection & Processing System is as follows:
Process variable inputs scan process；
Fixed limit value alert process, and the excision that can alarm；
LCD/CRT shows, including alarm indication, process graphical display, group parameter is shown and Operating Guideline, such as alarms former
Cause, enabled condition and operating procedure etc.；
Printing tabulation, including timing are tabulated: class, day, monthly magazine, alarm logging, capital equipment tripping journal and equipment
Log, start-stop time and accumulated running time including major pant item；
Historical data storage and retrieval；
Performance calculates.
The PLC control system further includes LCD touch screen, and the LCD touch screen is connected with microprocessor, is monitored for denitration
And control centre, therefore conventional instrument disk is no longer set.Operations staff can by LCD touch screen to denitration and its auxiliary system into
Row monitoring and operation.
Flue gas analysis monitoring system is set at the import measuring point in the inlet and outlet flue of SCR reactor 74 and outlet
8 at measuring point, for detecting the NOx and O in flue gas2, monitoring result by hardwire be transmitted to the PLC in control system cabinet control
System processed.
The flue gas analysis monitoring system includes sequentially connected sampling system, analytic unit and signal output system.
The thermal control power-supply system includes thermal control power distribution panel and reaction zone power distribution cabinet, the thermal control power distribution panel and
Reaction zone power distribution cabinet is connected with PLC control system respectively.
In specific implementation, 1 thermal control power distribution panel and reaction zone power distribution cabinet is respectively configured in ammonium hydroxide area and reaction zone, gives phase
It is powered using electric equipment.
The a whole set of denitration control system of the utility model can independent operating, put into operation, overhaul or debugging process in, do not influence
The normal operation of boiler and host.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this
The limitation of type protection scope, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel do not need to make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (10)
1. a kind of full load equipment for denitrifying flue gas, it is characterised in that: control system including SCR reactor, ammonia spraying system and denitration
System, it is low-temperature catalyzed that the SCR reactor is equipped with multilayer in the flue duct bypass after boiler tail deduster, in SCR reactor
Agent, the ammonia spraying system are arranged on the gas approach of SCR reactor, are connected with reducing agent preparation system, the denitration control
System processed is connected with each equipment of equipment for denitrifying flue gas, for carrying out parameter monitoring and operation control to each equipment.
2. a kind of full load equipment for denitrifying flue gas as described in claim 1, which is characterized in that SCR reactor longitudinal direction cloth
It is placed in flue duct bypass, flue gas from top to bottom flows in SCR reactor.
3. a kind of full load equipment for denitrifying flue gas as described in claim 1, which is characterized in that after the boiler tail deduster
Flue and flue duct bypass in be equipped with gas baffle.
4. a kind of full load equipment for denitrifying flue gas as described in claim 1, which is characterized in that the SCR reactor is movement
Formula SCR reactor.
5. a kind of full load equipment for denitrifying flue gas as described in claim 1, which is characterized in that the denitration control system includes
PLC control system, flue gas analysis monitoring system and thermal control power-supply system, the PLC control system respectively with equipment for denitrifying flue gas
Each monitoring point and reducing agent preparation system, ammonia spraying system, flue gas analysis monitoring system be connected with thermal control power-supply system.
6. a kind of full load equipment for denitrifying flue gas as claimed in claim 5, which is characterized in that the PLC control system includes
Microprocessor, the microprocessor respectively with Data collection and precessing system, analog control system and sequence control system phase
Even, the Data collection and precessing system is for acquiring and handling each monitoring point signal and equipment state signal, the analog quantity
Control system is used to carry out closed loop to the NOx concentration in SCR reactor inlet and outlet flue gas to adjust control, the sequence control system
Starting, stopping, the metering of reducing agent for controlling denitrification apparatus distribute and conveying.
7. a kind of full load equipment for denitrifying flue gas as claimed in claim 6, which is characterized in that the PLC control system is also wrapped
LCD touch screen is included, the LCD touch screen is connected with microprocessor, for denitration monitoring and control centre.
8. a kind of full load equipment for denitrifying flue gas as claimed in claim 5, which is characterized in that the flue gas analysis monitors system
It is set in the inlet and outlet flue of SCR reactor, monitoring result is transmitted to the PLC in control system cabinet by hardwire and controls
System.
9. a kind of full load equipment for denitrifying flue gas as claimed in claim 5, which is characterized in that the flue gas analysis monitors system
Including sequentially connected sampling system, analytic unit and signal output system.
10. a kind of full load equipment for denitrifying flue gas as claimed in claim 5, which is characterized in that the thermal control power-supply system packet
Thermal control power distribution panel and reaction zone power distribution cabinet are included, the thermal control power distribution panel and reaction zone power distribution cabinet are controlled with PLC respectively
System is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820523487.5U CN208194116U (en) | 2018-04-12 | 2018-04-12 | A kind of full load equipment for denitrifying flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820523487.5U CN208194116U (en) | 2018-04-12 | 2018-04-12 | A kind of full load equipment for denitrifying flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208194116U true CN208194116U (en) | 2018-12-07 |
Family
ID=64523919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820523487.5U Expired - Fee Related CN208194116U (en) | 2018-04-12 | 2018-04-12 | A kind of full load equipment for denitrifying flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208194116U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108325384A (en) * | 2018-04-12 | 2018-07-27 | 山东联盛环保科技有限公司 | A kind of full load equipment for denitrifying flue gas |
| CN109647187A (en) * | 2019-01-09 | 2019-04-19 | 康达新能源设备股份有限公司 | Equipment for denitrifying flue gas with temperature adjustment function |
-
2018
- 2018-04-12 CN CN201820523487.5U patent/CN208194116U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108325384A (en) * | 2018-04-12 | 2018-07-27 | 山东联盛环保科技有限公司 | A kind of full load equipment for denitrifying flue gas |
| CN109647187A (en) * | 2019-01-09 | 2019-04-19 | 康达新能源设备股份有限公司 | Equipment for denitrifying flue gas with temperature adjustment function |
| CN109647187B (en) * | 2019-01-09 | 2024-12-13 | 康达新能源设备股份有限公司 | Flue gas denitrification device with temperature adjustment function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205392185U (en) | Gas boiler catalytic denitrification system | |
| CN204134478U (en) | Switch protecting type boiler smoke SCR denitration system | |
| CN106984191A (en) | A kind of efficient hybrid system of reducing agent ammonia and its method of work for SCR denitrating flue gas | |
| CN204555717U (en) | Warm flue gas SCR denitration device in a kind of cement kiln end | |
| CN103691293A (en) | Novel SNCR (selective non-catalytic reduction) and SCR (selective catalytic reduction) hybrid denitrification system | |
| CN111459109A (en) | An industrial boiler SNCR denitration control system and control method | |
| CN103007743A (en) | SCR (Selective Catalytic Reduction) denitrification device for flue gas of glass kiln | |
| CN207654927U (en) | A kind of coke oven flue gas desulfurization and dedusting denitration coprocessing system | |
| CN205570102U (en) | Cool and thermal power trigeminy supplies gas internal combustion unit deNOx systems | |
| CN108325384A (en) | A kind of full load equipment for denitrifying flue gas | |
| CN104548931A (en) | Device for producing ammonia gas through pyrolysis of urea by using high-temperature flue gas as heat source | |
| CN102179171A (en) | Multi-stage themolysis coupled denitration method using front flow field uniformizing device and device thereof | |
| CN208194116U (en) | A kind of full load equipment for denitrifying flue gas | |
| CN203648364U (en) | Coal-fired boiler flue gas denitration system | |
| CN211906073U (en) | An industrial boiler SNCR denitration control system | |
| CN208097812U (en) | A kind of equipment for denitrifying flue gas | |
| CN205288101U (en) | Low temperature SCR reactor, flue gas low temperature deNOx systems and flue gas processing system | |
| CN204307526U (en) | For the mixed cigarette thermoregulating system of boiler SCR denitration system | |
| CN207928976U (en) | A kind of SCR denitration spray ammonia regulator control system with feedforward measurement links | |
| CN106334439A (en) | System for increasing smoke temperature at inlet of SCR denitration device | |
| CN207025089U (en) | A kind of ammonia system processed that urea pyrolysis is directly realized using high temperature flue-gas from boiler | |
| CN212327949U (en) | Cement kiln dry desulfurization and low-temperature SCR denitration system | |
| CN205886603U (en) | Rectification mixed -flow SCR denitration ammonia injection system | |
| CN206868013U (en) | A kind of efficient hybrid system of reducing agent ammonia for SCR denitrating flue gas | |
| CN203215697U (en) | Energy-saving denitration incinerator |
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: 20181207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |