CN110038428A - SCR sprays ammonia system and denitrating system - Google Patents
SCR sprays ammonia system and denitrating system Download PDFInfo
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- CN110038428A CN110038428A CN201910316540.3A CN201910316540A CN110038428A CN 110038428 A CN110038428 A CN 110038428A CN 201910316540 A CN201910316540 A CN 201910316540A CN 110038428 A CN110038428 A CN 110038428A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/90—Injecting reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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Abstract
The invention discloses a kind of SCR spray ammonia system and denitrating systems, and it includes: DCS system that SCR, which sprays ammonia system, for obtaining the NOx concentration of the data of Thermal generation unit and the exiting flue gas of SCR denitration reaction device；Data analysis station, it is hung on DCS system outside, the NOx concentration of the inlet flue gas of SCR denitration reaction device is predicted in real time for obtaining the data of the Thermal generation unit in DCS system and the NOx concentration of exiting flue gas, and according to the data of Thermal generation unit, the NOx concentration of exiting flue gas；Plug-in PLC, is hung on DCS system outside, connect with data analysis station, sprays ammonia total amount in the NOx concentration of the inlet flue gas of the prediction for exporting according to data analysis station and the NOx concentration control SCR denitration reaction device of exiting flue gas.The SCR sprays ammonia system, is predicted in real time using NOx concentration of the data analysis station to the inlet flue gas of SCR denitration reaction device, and using ammonia total amount is sprayed in plug-in PLC control SCR denitration reaction device, spray ammonia overall control is more accurate, can prevent from excessively spraying ammonia.
Description
Technical field
The present invention relates to denitration technology fields, and in particular to a kind of SCR spray ammonia system and denitrating system.
Background technique
With the continuous improvement of Environmental Protection in China discharge standard, the exit NOx concentration Con trolling index of Thermal generation unit denitration
By 100mg/Nm3It is down to 50mg/Nm3, more there are some places to be limited by the requirement of local environmental protection, discharge standard is down to 30mg/
Nm3Or it is lower, this improves the practical denitration efficiency of SCR denitration system to 85%~91% or more, or even de- close to SCR method
Nitre theoretical limit, in this case, many power plant guarantee the qualified discharge of denitrating system using excessive spray ammonia, and excessively spray
The ammonium hydrogen sulfate generated after ammonia is easy to form deposition, blocking air preheater, corrosion air-introduced machine in Thermal generation unit air preheater cold end
Blade etc..Therefore, the amount for how accurately controlling spray ammonia realizes that NOx emission is up to standard, while not adversely affecting again to unit
It is the key that denitration control.
Summary of the invention
In view of this, being reached the embodiment of the invention provides a kind of SCR spray ammonia system and denitrating system in realization NOx emission
On the basis of target, adversely affected with solving the problems, such as that ammonia is excessively sprayed in denitration to unit.
According in a first aspect, the embodiment of the invention provides a kind of SCR spray ammonia system, for SCR denitration reaction device into
Row spray ammonia, comprising: DCS system, for obtaining the data of Thermal generation unit and the exiting flue gas of SCR denitration reaction device
NOx concentration；Data analysis station is hung on DCS system outside, for obtaining the data and outlet of the Thermal generation unit in DCS system
The NOx concentration of flue gas, and according to the data of Thermal generation unit, the NOx concentration of exiting flue gas to the entrance of SCR denitration reaction device
The NOx concentration of flue gas is predicted in real time；Plug-in PLC, is hung on DCS system outside, connect with data analysis station, for according to data
Ammonia is sprayed in the NOx concentration of the inlet flue gas of the prediction of analysis station output and the NOx concentration control SCR denitration reaction device of exiting flue gas
Total amount.
Optionally, SCR sprays ammonia system further include: ammonia-spraying grid is set in SCR denitration reaction device, for SCR denitration
The inlet flue gas of reactor carries out subregion；Multiple subregions spray ammonia regulating valve, are respectively arranged at the inlet flue gas of SCR denitration reaction device
In each subregion, the amount of each subregion spray ammonia of inlet flue gas for adjusting SCR denitration reaction device.
Optionally, SCR sprays ammonia system further include: flue gas measuring instrumentss, for measuring the exiting flue gas of SCR denitration reaction device
NOx concentration.
Optionally, flue gas measuring instrumentss include: the synchronous flue gas NOx measuring instrumentss of tunneling boring.
Optionally, DCS system, including denitration uniformity control system, denitration uniformity control system and flue gas measuring instrument
Table, the spray ammonia regulating valve connection of each subregion, for controlling opening for each subregion spray ammonia regulating valve according to the NOx concentration in exiting flue gas
Degree.
Optionally, DCS system is communicated with plug-in PLC network, for monitoring the operating status of plug-in PLC.
Optionally, SCR sprays ammonia system further include: deflector/flue gas mixer is arranged in SCR denitration reaction device, is used for
The inlet flue gas of SCR denitration reaction device is adjusted.
Optionally, DCS system is used for, and receives the running state data of plug-in PLC；Judge running state data whether pre-
If in data area；If running state data within the scope of preset data, allows plug-in PLC output control data.
Optionally, data analysis station is used for, and the NOx concentration data of data and exiting flue gas to Thermal generation unit carries out
Data transmission flaws reparation；Big data analysis is carried out to the data after reparation, predicts the NOx concentration of inlet flue gas.
According to second aspect, the embodiment of the invention provides a kind of SCR denitration systems, comprising: SCR denitration reaction device；With
And as the SCR in first aspect or any embodiment of first aspect sprays ammonia system.
SCR provided in an embodiment of the present invention sprays ammonia system, by using DCS system obtain the data of Thermal generation unit with
And the NOx concentration of the exiting flue gas of SCR denitration reaction device, using data analysis station to the inlet flue gas of SCR denitration reaction device
NOx concentration is predicted in real time, so that the NOx concentration and outlet of the inlet flue gas of the available SCR denitration reaction device of plug-in PLC
The real time data of the NOx concentration of flue gas, so it is de- according to the NOx concentration of inlet flue gas and the NOx concentration of exiting flue gas control SCR
Ammonia total amount is sprayed in nitre reactor, spray ammonia overall control is more accurate, can prevent excessive spray ammonia；And due at present can not be in DCS
The advanced algorithms such as neural network, gray prediction are realized in system, using plug-in PLC and data analysis station, may be implemented not to existing
On the basis of having DCS system to be transformed, it is superimposed advanced prediction algorithm and spray ammonia total amount is controlled.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 shows the structural schematic diagram that SCR in the embodiment of the present invention sprays ammonia system；
Fig. 2 shows the SCR of the embodiment of the present invention to spray ammonia system flow diagram.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
SCR sprays the technical solution of ammonia system currently on the market, there is following several schemes: the first, with SCR denitration reaction device
The NOx of outlet be major loop controlled variable, be by ammonia flow subloop controlled variable classical string pole PID based on
Traditional control carries out spray ammonia to SCR denitration reaction device；Second, historical data is analyzed, it is pre- using neural network, grey
The intelligent control algorithms such as survey, which are realized, carries out SCR denitration reaction device using the PREDICTIVE CONTROL of historical data prediction NOx Production trend
Spray ammonia；The third realizes that the intelligence being modified to prediction algorithms such as neural networks is pre- using historical data in short-term, on a small quantity
Observing and controlling system carries out spray ammonia to SCR denitration reaction device.But it is in addition coal-fired to send out since the delay of NOx control system object is big, non-linear strong
Motor group load variations are frequent, combustion conditions are complicated and changeable, so that the automatic control of NOx becomes particularly difficult, the conventional pole PID that goes here and there
Control algolithm is unable to accurately control spray ammonia total amount, and using the control of historical data prediction, number in second and the third scheme
According in real time, not causing prediction data inaccurate, so as to cause spraying, ammonia overall control is still inaccurate.
For this purpose, the embodiment of the invention provides a kind of SCR to spray ammonia system, for carrying out spray ammonia to SCR denitration reaction device, such as
Shown in Fig. 1, comprising: DCS system, for obtaining the data of Thermal generation unit and the exiting flue gas of SCR denitration reaction device
NOx concentration；Data analysis station is hung on DCS system outside, for obtaining the data and outlet of the Thermal generation unit in DCS system
The NOx concentration of flue gas, and according to the data of Thermal generation unit, the NOx concentration of exiting flue gas to the entrance of SCR denitration reaction device
The NOx concentration of flue gas is predicted in real time；Plug-in PLC, is hung on DCS system outside, connect with data analysis station, for according to data
Ammonia is sprayed in the NOx concentration of the inlet flue gas of the prediction of analysis station output and the NOx concentration control SCR denitration reaction device of exiting flue gas
Total amount.In embodiments of the present invention, because can not realize the advanced algorithms such as neural network, gray prediction in DCS system at present,
And in order to reduce the influence to existing DCS system, the embodiment of the present invention uses plug-in PLC (using the PLC of redundancy) and data
The mode of analysis station is superimposed advanced prediction algorithm to SCR denitration on the basis of realization is not transformed existing DCS system
Reactor carries out spray ammonia overall control, because if being transformed to DCS system, transformation process is comparatively laborious, thereby increases and it is possible to cause
The transmission of DCS system data is unstable.Plug-in PLC use DCS system provide real-time network communication interface, using plug-in PLC with
The special communication card of DCS realizes and transmits with the data of DCS system that plug-in PLC is connect with spray ammonia overall control valve, for controlling
Spray the aperture of ammonia overall control valve.Burn for Thermal generation unit this extremely complex and imperfect mechanism model
Object, the embodiment of the present invention, using big data prediction mode, are improved and are fired to Thermal generation unit by the way of data analysis station
The precision of prediction of NOx after burning especially improves it for the adaptability after coal type change and equipment performance variation, data analysis
It stands and realizes that data are transmitted using hardwire between plug-in PLC, data analysis station uses data conversion card, and data-signal is turned
It is changed to the analog signals for 4~20mA that PLC can directly receive.
SCR provided in an embodiment of the present invention sprays ammonia system, by using DCS system obtain the data of Thermal generation unit with
And the NOx concentration of the exiting flue gas of SCR denitration reaction device, using data analysis station to the inlet flue gas of SCR denitration reaction device
NOx concentration is predicted in real time, so that the NOx concentration and outlet of the inlet flue gas of the available SCR denitration reaction device of plug-in PLC
The real time data of the NOx concentration of flue gas, so it is de- according to the NOx concentration of inlet flue gas and the NOx concentration of exiting flue gas control SCR
Ammonia total amount is sprayed in nitre reactor, spray ammonia overall control is more accurate, can prevent excessive spray ammonia；And due at present can not be in DCS
The advanced algorithms such as neural network, gray prediction are realized in system, using plug-in PLC and data analysis station, may be implemented not to existing
On the basis of having DCS system to be transformed, it is superimposed advanced prediction algorithm and spray ammonia total amount is controlled.
In an alternate embodiment of the invention, SCR sprays ammonia system further include: ammonia-spraying grid is set in SCR denitration reaction device, is used
Subregion is carried out in the inlet flue gas to SCR denitration reaction device；Multiple subregions spray ammonia regulating valve, are respectively arranged at SCR denitration reaction
In each subregion of the inlet flue gas of device, the amount of each subregion spray ammonia of inlet flue gas for adjusting SCR denitration reaction device.In this hair
In bright embodiment, according to the inlet flue gas of SCR denitration reaction device under different load non-uniform situation, in conjunction with flow Field Design feelings
Condition is calculated and is tested by CFD, carries out suitable subregion, needle using inlet flue gas of the ammonia-spraying grid to SCR denitration reaction device
To each subregion, subregion spray ammonia regulating valve is set up, realization evenly distributes ammonia to the flue gas of different subregions under different load on demand
Gas.
In an alternate embodiment of the invention, SCR sprays ammonia system further include: flue gas measuring instrumentss, for measuring SCR denitration reaction device
Exiting flue gas NOx concentration.Wherein, flue gas measuring instrumentss include: the synchronous flue gas NOx measuring instrumentss of tunneling boring.In the present invention
In embodiment, for the NOx concentration offset issue of the exiting flue gas of SCR denitration reaction device, surveyed using the synchronous flue gas NOx of tunneling boring
Amount instrument is carried out while being measured, the situation after guaranteeing true reflection denitration.The synchronous flue gas NOx measuring instrumentss of tunneling boring are with clean
Air mixes the instrument that directly samples as carrier gas and dilution flue gas, can measure the flue gas that same time point gets, reach same
Pacing amount.The synchronous flue gas NOx measuring instrumentss of tunneling boring mainly include measurement chamber, dilution Sampling, control analysis system three
Part.
In an alternate embodiment of the invention, DCS system, including denitration uniformity control system, denitration uniformity control system with
Flue gas measuring instrumentss, the spray ammonia regulating valve connection of each subregion, spray ammonia for controlling each subregion according to the NOx concentration in exiting flue gas
The aperture of regulating valve.In embodiments of the present invention, denitration uniformity control system can be according to the entrance cigarette of SCR denitration reaction device
NOx concentration in the corresponding exiting flue gas of each subregion of gas, which is realized, sprays ammonia to each subregion of the inlet flue gas of SCR denitration reaction device
Amount controlled so that the amount of the inlet flue gas of SCR denitration reaction device each subregion spray ammonia is accurate, realize not
Ammonia is evenly distributed on demand to the flue gas of different subregions under load, to prevent the amount for spraying ammonia to each subregion from not causing precisely
The exiting flue gas NOx concentration of SCR denitration reaction device is exceeded.
In an alternate embodiment of the invention, DCS system is communicated with plug-in PLC network, for monitoring the operating status of plug-in PLC.
In embodiments of the present invention, plug-in PLC and DCS system real-time communication, DCS system can be sentenced according to the operation data of plug-in PLC
Break plug-in PLC operating status it is whether normal.
In an alternate embodiment of the invention, SCR sprays ammonia system further include: deflector/flue gas mixer is arranged anti-in SCR denitration
It answers in device, is adjusted for the inlet flue gas to SCR denitration reaction device.In embodiments of the present invention, for SCR denitration reaction
The serious problem of non-uniform of the inlet flue gas of device, according to smoke condition, stream field is optimized, using deflector or flue gas mixer
The inlet flue gas of SCR denitration reaction device is adjusted, the uniformity and ammonia in the inlet flue gas flow field of SCR denitration reaction device are improved
The uniformity that gas is mixed with NOx.
The embodiment of the invention also provides a kind of SCR denitration systems, comprising: SCR denitration reaction device；And above-mentioned any reality
Apply the SCR spray ammonia system in mode.Specific embodiment is detailed in the description of above-described embodiment SCR spray ammonia system, herein no longer
It repeats.
In order to clearly illustrate that the SCR that previous embodiment provides sprays ammonia system, the present embodiment sprays ammonia system to SCR by Fig. 2
Control principle be described in detail.
In embodiments of the present invention, for the flow of inlet flue gas of SCR denitration reaction device and asking for NOx concentration deviation
Topic, takes the scheme for adjusting the distribution of ammonia for different flow and NOx concentration, flue gas is carried out region division, specifically:
According to the load (50%~100%) of practical Thermal generation unit flue gas, different Thermal generation unit work etc. comprehensively consider, and adopt
Subregion is carried out with gas approach of the ammonia-spraying grid to SCR denitration reaction device, takes individually controllable subregion to spray for each region
Ammonia regulating valve and ammonia-spraying grid carry out the control of ammonia injection rate.It is inclined for the NOx concentration of the exiting flue gas of SCR denitration reaction device
The problem of difference is carried out while being measured to entire section, to guarantee really to reflect using tunneling boring flue gas NOx measuring instrumentss
Situation after denitration.It certainly in other examples, can also be by poll, asynchronous flue gas NOx measuring instrumentss to whole
A section measures.DCS system is connect with coal unit and tunneling boring flue gas NOx measuring instrumentss respectively, obtains coal unit
Data and SCR denitration reaction device exiting flue gas NOx concentration, according to the NOx concentration of the exiting flue gas of SCR denitration reaction device
The aperture of ammonia regulating valve is sprayed in control partition, thus the amount of each subregion spray ammonia of the inlet flue gas for controlling SCR denitration reaction device.Data point
Analysis station, collects the real time data of DCS system, the i.e. data of coal unit and SCR denitration reaction device by the way of two-way communication
Exiting flue gas NOx concentration, and unidirectional gateway is set in communication interface, realizes the safety of data transmission, then utilize machine
Algorithm and mechanism model prediction carry out data cleansing to the data of Thermal generation unit, the NOx concentration data of exiting flue gas, repair
Data transmission flaws；And the data after reparation are established with the NOx generation amount prediction model of full load range, carry out big data point
The NOx concentration of inlet flue gas is predicted in analysis in real time.Because data analysis station uses big data prediction mode, improves and fire coal is sent out
The precision of prediction of NOx after the burning of motor group especially improves it for the adaptability after coal type change and equipment performance variation.
And the data of data analysis station are obtained in real time from DCS system, it can be with 5~300s of look-ahead (time can arbitrarily adjust) entrance
The NOx concentration of flue gas, specifically, can be with the NOx concentration of look-ahead 30~120s inlet flue gas, the look-ahead time is longer,
Estimated performance is better.Data analysis station uses data conversion card, and data-signal is converted to 4 that plug-in PLC can directly receive
The analog signals of~20mA are connected with plug-in PLC, the NOx concentration of the inlet flue gas of available data analysis station prediction；Outside
The real-time network communication interface that PLC uses DCS system to provide is hung, the special communication card and DCS system of plug-in PLC and DCS are utilized
Then real-time communication, the NOx concentration of the exiting flue gas of the SCR denitration reaction device in available DCS system utilize intelligent algorithm
(prediction algorithms such as neural network, fuzzy control etc.) Lai Shixian PREDICTIVE CONTROL is controlled according to the control performance optimal parameter value
Spray the aperture of ammonia overall control valve.In embodiments of the present invention, the data of plug-in PLC can pass back in DCS system, wherein wrapping
Running state data containing plug-in PLC, DCS system judge its running state data whether within the scope of preset data, present count
According to the data to be established according to production experience；When DCS system detects that its operating status is normal namely running state data
Within the scope of preset data, then allow the aperture of plug-in PLC output control data control spray ammonia overall control valve；Work as DCS system
It detects that its operating status is abnormal namely running state data is not within the scope of preset data, its data will be automatically cut off immediately
Transmission turns to the control program for utilizing DCS system, normal to plug-in PLC state, and transfers again after manually verifying using plug-in
The data of PLC.
Although being described in conjunction with the accompanying the embodiment of the present invention, those skilled in the art can not depart from the present invention
Spirit and scope in the case where various modifications and variations can be made, such modifications and variations are each fallen within by appended claims institute
Within the scope of restriction.
Claims (10)
1. a kind of SCR sprays ammonia system, for carrying out spray ammonia to SCR denitration reaction device characterized by comprising
DCS system, the NOx for obtaining the data of Thermal generation unit and the exiting flue gas of the SCR denitration reaction device are dense
Degree；
Data analysis station is hung on the DCS system outside, for obtain the Thermal generation unit in the DCS system data and
The NOx concentration of the exiting flue gas, and according to the data of the Thermal generation unit, the NOx concentration of the exiting flue gas to institute
The NOx concentration for stating the inlet flue gas of SCR denitration reaction device is predicted in real time；
Plug-in PLC is hung on the DCS system outside, connect with the data analysis station, for being exported according to the data analysis station
Prediction the NOx concentration of the inlet flue gas and the NOx concentration of the exiting flue gas control and sprayed in the SCR denitration reaction device
Ammonia total amount.
2. SCR according to claim 1 sprays ammonia system, which is characterized in that further include:
Ammonia-spraying grid is set in the SCR denitration reaction device, is carried out for the inlet flue gas to the SCR denitration reaction device
Subregion；
Multiple subregions spray ammonia regulating valve, are respectively arranged in each subregion of inlet flue gas of the SCR denitration reaction device, for adjusting
Save the amount of each subregion spray ammonia of inlet flue gas of the SCR denitration reaction device.
3. SCR according to claim 2 sprays ammonia system, which is characterized in that further include:
Flue gas measuring instrumentss, the NOx concentration of the exiting flue gas for measuring the SCR denitration reaction device.
4. SCR according to claim 3 sprays ammonia system, which is characterized in that the flue gas measuring instrumentss include:
Tunneling boring synchronizes flue gas NOx measuring instrumentss.
5. SCR according to claim 3 sprays ammonia system, which is characterized in that
The DCS system, including denitration uniformity control system, the denitration uniformity control system and the flue gas measuring instrument
Table, the spray ammonia regulating valve connection of each subregion, spray ammonia regulating valve for controlling each subregion according to the NOx concentration in the exiting flue gas
Aperture.
6. SCR according to claim 1 sprays ammonia system, which is characterized in that
The DCS system is communicated with the plug-in PLC network, for monitoring the operating status of the plug-in PLC.
7. SCR according to claim 1 sprays ammonia system, which is characterized in that further include:
Deflector/flue gas mixer is arranged in the SCR denitration reaction device, for the entrance to the SCR denitration reaction device
Flue gas is adjusted.
8. SCR according to claim 5 sprays ammonia system, which is characterized in that the DCS system is used for,
Receive the running state data of the plug-in PLC；
Judge the running state data whether within the scope of preset data；
If the running state data within the scope of preset data, allows the plug-in PLC output control data.
9. SCR according to claim 1 sprays ammonia system, which is characterized in that the data analysis station is used for,
The NOx concentration data of data and the exiting flue gas to the Thermal generation unit carries out data transmission defect repair；
Big data analysis is carried out to the data after reparation, predicts the NOx concentration of the inlet flue gas.
10. a kind of SCR denitration system characterized by comprising
SCR denitration reaction device；
And the SCR as described in claim 1-7 any one sprays ammonia system.
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| CN201910316540.3A CN110038428A (en) | 2019-04-18 | 2019-04-18 | SCR sprays ammonia system and denitrating system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108664006A (en) * | 2018-07-02 | 2018-10-16 | 大唐环境产业集团股份有限公司 | It is a kind of that ammonia optimization method and system are intelligently sprayed based on the SCR denitration of zonal control and Dynamic matrix control |
| CN111044668A (en) * | 2019-12-26 | 2020-04-21 | 中国华电科工集团有限公司 | SCR denitration system catalyst life online prediction method |
| CN111624876A (en) * | 2020-04-23 | 2020-09-04 | 大唐环境产业集团股份有限公司 | Intelligent ammonia injection optimization control system |
| CN111921377A (en) * | 2020-09-25 | 2020-11-13 | 大唐环境产业集团股份有限公司 | SCR denitration ammonia injection control method and system based on mechanism and data driving |
| CN113813770A (en) * | 2021-10-26 | 2021-12-21 | 深圳开云智能有限公司 | Fusion-based artificial intelligence nitrogen oxide emission prediction and ammonia injection control system |
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- 2019-04-18 CN CN201910316540.3A patent/CN110038428A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108664006A (en) * | 2018-07-02 | 2018-10-16 | 大唐环境产业集团股份有限公司 | It is a kind of that ammonia optimization method and system are intelligently sprayed based on the SCR denitration of zonal control and Dynamic matrix control |
| CN111044668A (en) * | 2019-12-26 | 2020-04-21 | 中国华电科工集团有限公司 | SCR denitration system catalyst life online prediction method |
| CN111044668B (en) * | 2019-12-26 | 2022-12-02 | 中国华电科工集团有限公司 | SCR denitration system catalyst life online prediction method |
| CN111624876A (en) * | 2020-04-23 | 2020-09-04 | 大唐环境产业集团股份有限公司 | Intelligent ammonia injection optimization control system |
| CN111624876B (en) * | 2020-04-23 | 2021-06-15 | 大唐环境产业集团股份有限公司 | Intelligent ammonia injection optimization control system |
| CN111921377A (en) * | 2020-09-25 | 2020-11-13 | 大唐环境产业集团股份有限公司 | SCR denitration ammonia injection control method and system based on mechanism and data driving |
| CN111921377B (en) * | 2020-09-25 | 2021-01-26 | 大唐环境产业集团股份有限公司 | SCR denitration ammonia injection control method and system based on mechanism and data driving |
| CN113813770A (en) * | 2021-10-26 | 2021-12-21 | 深圳开云智能有限公司 | Fusion-based artificial intelligence nitrogen oxide emission prediction and ammonia injection control system |
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