CN111957190A - Feeding control method and system for deacidification atomizer - Google Patents
Feeding control method and system for deacidification atomizer Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000000376 reactant Substances 0.000 claims abstract description 97
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 88
- 231100000719 pollutant Toxicity 0.000 claims abstract description 88
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 83
- 239000003546 flue gas Substances 0.000 claims abstract description 83
- 230000008569 process Effects 0.000 claims abstract description 10
- 239000000498 cooling water Substances 0.000 claims description 44
- 230000008859 change Effects 0.000 claims description 33
- 239000007789 gas Substances 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 23
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 238000004458 analytical method Methods 0.000 claims description 13
- 238000007689 inspection Methods 0.000 claims description 12
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 9
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 9
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 9
- 239000000920 calcium hydroxide Substances 0.000 claims description 9
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- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 3
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- 239000000779 smoke Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000004069 differentiation Effects 0.000 description 2
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Abstract
The invention provides a feeding control method of a deacidification atomizer, which can improve the accuracy of the input amount of reactants, and meanwhile, the input process can be adjusted according to the actual situation, thereby avoiding unnecessary waste and reducing the production cost. In the technical scheme of the invention, main pollutants are found by analyzing the incineration flue gas, and reactants are added based on the detection of the content of the main pollutants in the flue gas and a single PID regulation control mode. This patent also discloses a deacidification atomizer feed control system simultaneously.
Description
Technical Field
The invention relates to the technical field of waste incineration flue gas purification control, in particular to a feeding control method and a feeding control system of a deacidification atomizer.
Background
After the garbage is incinerated, the generated flue gas contains a certain amount of acid gases, such as HCL, HSOX, HF, HNOX and the like. The deacidification atomizer is the most central equipment in the flue gas deacidification equipment (deacidification reaction tower), and the deacidification agent atomization injection effect of the deacidification atomizer directly determines that the deacidification atomizer is the quality of the deacidification efficiency of the flue gas deacidification equipment.
In the prior art, the most adopted feeding of the deacidification atomizer is PID (proportion integration differentiation) cascade regulation, in a PID cascade regulation method, the amount of required reactants is calculated for each pollutant respectively, then the reactant consumption amounts required by all pollutants are added to obtain total input reactants, and the total input reactants are input into a system according to the total amount when the reactants are input; according to the feeding control method of the deacidification atomizer, the reactant amount required by the pollutants is fully considered in each stage of PID calculation, so that excessive reaction materials are added and then added, the operation cost is increased, and certain risk of over-standard emission of smoke is brought; meanwhile, once the reactant input amount needs to be adjusted, the defects of high adjusting difficulty, unstable control and the like exist.
Disclosure of Invention
In order to solve the problems that too much reactants are frequently input in the existing feeding control method of the deacidification atomizer and the input amount of the reactants is difficult to adjust, the invention provides the feeding control method of the deacidification atomizer, which can improve the accuracy of the input amount of the reactants, and can adjust the input process according to actual conditions, thereby avoiding unnecessary waste and reducing the production cost. This patent also discloses a deacidification atomizer feed control system simultaneously.
The technical scheme of the invention is as follows: a deacidification atomizer feed control method, comprising the steps of:
s1: carrying out component analysis on incineration flue gas in a garbage incineration boiler to find out all pollutants;
it is characterized by also comprising the following steps:
s2: calculating the reactant demand to be consumed respectively based on all pollutants in the incineration flue gas; finding the pollutant which needs to consume the most amount of the reactant, and recording the pollutant as a main pollutant;
s3: presetting a qualified inspection threshold value of the main pollutants; the content of the main pollutants in the incineration flue gas reaches the inspection qualified threshold value, namely the quality standard that the main pollutants in the incineration flue gas reach the released atmosphere is represented;
s4: feeding the deacidification atomizer based on a single PID regulation control mode; and meanwhile, the reactant feeding self-adaptive regulation and control are carried out based on a single PID regulation and control mode;
s5: monitoring the real-time content of the main pollutants in the incineration flue gas in the deacidification atomizer in real time during the feeding process of the deacidification atomizer;
s6: comparing the real-time level of the primary contaminant to the inspection pass threshold;
if the real-time content of the main pollutants in the deacidification atomizer is less than or equal to the inspection qualified threshold value, the atmospheric delivery standard is reached, and the deacidification operation is finished;
otherwise, the real-time steps S4-S6 are repeated.
It is further characterized in that:
it further comprises step S7:
s7-1: presetting a tail gas temperature threshold, wherein the flue gas with the temperature less than the tail gas temperature threshold can be discharged into a subsequent tail gas treatment device;
s7-2: monitoring the temperature of the flue gas at the outlet of the deacidification atomizer in real time, and recording the temperature as the temperature of the tail gas of the flue gas;
s7-3: comparing the flue gas tail gas temperature to the tail gas temperature threshold;
if the temperature of the tail gas of the flue gas is higher than the tail gas temperature threshold value, regulating flue gas cooling water based on a single PID regulating mode to cool the flue gas; circularly executing the steps S6-2 to S6-3;
otherwise, discharging the deacidified flue gas out of the deacidification atomizer and entering a subsequent tail gas treatment device;
in step S4, the reactant feed adaptive regulation control is performed based on the single PID regulation control manner, including the following steps:
s4-1: presetting an initial parameter of a PID parameter according to the predicted reaction completion time, and carrying out reactant feeding control on the deacidification atomizer;
s4-2: monitoring the feeding amount of the reactant feeding of the deacidification atomizer in real time, and recording the feeding amount as the existing feeding amount;
s4-3: drawing a main pollutant content change pre-judgment curve based on the historical change data of the real-time content of the main pollutants;
s4-4: drawing a real-time curve of the content change of the main pollutants based on the real-time data of the content change of the main pollutants;
s4-5: comparing the real-time curve of the content change of the main pollutants with the pre-judgment curve of the content change of the main pollutants to respectively find out the change trend of the real-time content of the main pollutants; respectively recording as follows: real-time variation trend and pre-judgment variation trend;
if the real-time variation trend is smaller than the pre-judged variation trend, adjusting PID parameters to increase the reactant feeding amount and the feeding frequency so as to prevent the problem that the real-time content of the main pollutants is increased;
otherwise, keeping the existing PID parameters unchanged;
in step S2, the contaminants include: HCL, SO2, HF; the main component of the reactant is Ca (OH) 2;
the reactant supply amount calculation formula is as follows:
Ca(OH)2+SO2=CaSO3/CaSO4+H2O
Ca(OH)2+HCL=CaCL2+H2O
Ca(OH)2+HF=CaF2+H2O。
a deacidification-atomizer feed control system, comprising: total controller, deacidification atomizer, reactant supply tank, cooling water liquid supply ware, its characterized in that, it still includes: a PID controller for reactants and a PID controller for cooling water;
a reactant stop valve, a reactant regulating valve and a reactant liquid flow meter are sequentially arranged between a reactant inlet of the deacidification atomizer and the reactant supply tank; the reactant regulating valve is controlled by the reactant through a PID controller; the reactant stop valve, the reactant PID controller and the reactant liquid flow meter are electrically connected with the master controller;
a cooling water cut-off valve, a cooling water regulating valve and a cooling water liquid flowmeter are sequentially arranged between the cooling water liquid supply device and a cooling water inlet of the deacidification atomizer; the cooling water regulating valve is electrically connected with the PID controller for cooling water; the cooling water cut-off valve, the PID controller for cooling water and the cooling water liquid flow meter are electrically connected with the master controller;
a flue gas flowmeter, a thermometer, a pressure sensor and a flue gas component analysis device are sequentially arranged between the flue gas outlet of the incinerator and the flue gas inlet of the deacidification atomizer; the flue gas component analysis device, the liquid flowmeter, the flue gas flowmeter, the thermometer and the pressure sensor are respectively in communication connection with the controller.
It is further characterized in that:
the master controller controls the deacidification atomizer, the reactant supply tank and the cooling water liquid supply device based on a PLC (programmable logic controller), and is used as a man-machine conversation interface based on an industrial personal computer;
the flue gas component analysis device is realized based on a CEMS device;
the PID controller for cooling water and the PID controller for reactants are realized based on Siemens PLC S7-1500 series.
According to the feeding control method of the deacidification atomizer, provided by the invention, main pollutants are found by analyzing incineration flue gas, and reactants are added based on the detection of the content of the main pollutants in the flue gas and a single PID (proportion integration differentiation) regulation control mode; when the added reactants ensure that the content of main pollutants reaches the atmospheric release standard, other non-main pollutants inevitably reach the atmospheric release standard; compared with the existing PID cascade regulation mode, the technical scheme of the invention detects based on single pollutant content, controls the process based on a single PID regulation control mode, and puts in reactants according to actual needs, thereby avoiding unnecessary waste of reactants and reducing production cost; meanwhile, according to the technical scheme of the invention, the change trend of the real-time content of the main pollutants is judged in advance based on the comparison of the main pollutant content change pre-judgment curve and the main pollutant content change real-time curve according to the actual deacidification reaction condition in the deacidification atomizer, the PID parameters are subjected to self-adaptive regulation and control, the manual control of debugging personnel is not needed, the reactant input process can be automatically regulated according to the actual condition, the control difficulty is reduced, the debugging precision is improved, the unnecessary waste is avoided, and the production cost is further reduced.
Drawings
FIG. 1 is a schematic diagram of the deacidification atomizer feed control system of the present invention.
Detailed Description
As shown in fig. 1, a deacidification atomizer feed control system comprising: the general controller (not shown in the figure) and the deacidification atomizer 1 are connected with a reactant supply tank (not shown in the figure) through a supply pipeline 6, and are connected with a cooling water liquid supply device (not shown in the figure) through a water pipe 7; a flue gas inlet of the deacidification atomizer 1 is connected with a flue gas outlet of the incinerator through a flue gas pipeline 2; the flue gas outlet of the deacidification atomizer 1 is connected with a subsequent tail gas treatment device, in this embodiment, a bag-type dust remover (not shown in the figure), through a smoke exhaust pipeline 14.
A reactant stop valve 8, a reactant adjusting valve 10 and a reactant liquid flow meter 12 are sequentially arranged between a reactant inlet of the deacidification atomizer 1 and a reactant supply tank; the reactant regulating valve 10 is controlled by a PID controller through reactants; the reactant stop valve 8, the reactant PID controller and the reactant liquid flow meter 12 are electrically connected with the master controller.
A cooling water cut-off valve 9, a cooling water regulating valve 11 and a cooling water liquid flowmeter 13 are sequentially arranged between the cooling water liquid supply device and a cooling water inlet of the deacidification atomizer 1; the cooling water regulating valve 11 is electrically connected with a PID controller for cooling water; the cooling water cut-off valve 9, the PID controller for cooling water and the cooling water liquid flowmeter 13 are electrically connected with a master controller.
A flue gas flowmeter 3, a thermometer 4, a pressure sensor 15 and a flue gas component analysis device 5 are sequentially arranged between the flue gas outlet of the incinerator and the flue gas inlet of the deacidification atomizer 1; the flue gas flowmeter 3, the thermometer 4, the pressure sensor 15 and the flue gas component analysis device 5 are respectively in communication connection with the controller.
In the embodiment, the main controller controls the deacidification atomizer 1, the reactant supply tank and the cooling water liquid supply device based on the PLC, and is used as a man-machine conversation interface based on the industrial personal computer; the flue gas component analysis device is realized based on a CEMS device; the PID controller for cooling water and the PID controller for reactants are realized based on Siemens PLC S7-1500 series.
A feeding control method realized based on a feeding control system of a deacidification atomizer comprises the following steps.
S1: and carrying out component analysis on incineration flue gas in the waste incineration boiler based on a flue gas component analysis device to find out all pollutants.
S2: in a master controller, based on all pollutants in the incineration flue gas, calculating the reactant demand to be consumed according to the component composition and the total amount of the flue gas in the incinerator respectively; finding the pollutant which needs to consume the most amount of the reactant, and recording the pollutant as a main pollutant;
in this embodiment, the contaminants include: HCL, SO2, HF; the main component of deacidification reactant in the deacidification atomizer is Ca (OH) 2;
the reactant supply calculation formula is as follows:
Ca(OH)2+SO2=CaSO3/CaSO4+H2O
Ca(OH)2+HCL=CaCL2+H2O
Ca(OH)2+HF=CaF2+H2O;
in this example, the main pollutants are SO2 and HCL.
According to the technical scheme, the contents of all pollutants in the flue gas are compared, and the pollutant which needs to consume more reactants (lime slurry) is judged, and then the pollutant is tracked, because the reactants and all the pollutants react simultaneously, the pollutant which needs to consume less reactants is eliminated at the same time, so that the control on the content of the incineration flue gas can be realized only by tracking the main pollutant which needs to consume more reactants in the process; on the basis, the control mode based on single PID regulation is realized.
S3: presetting a main pollutant inspection qualification threshold according to the existing national standard regulation; the content of the main pollutants in the incineration flue gas reaches the qualified inspection threshold value, namely the quality standard of the main pollutants in the incineration flue gas reaching the released atmosphere is represented.
S4: the main controller feeds the deacidification atomizer 1 through a reactant PID controller based on a single PID regulation control mode; and meanwhile, the reactant feeding self-adaptive regulation and control are carried out based on a single PID regulation and control mode;
based on a single PID regulation control mode, the method carries out reactant feeding self-adaptive regulation control and comprises the following steps:
s4-1: presetting an initial parameter of a PID parameter according to the predicted reaction completion time, and carrying out reactant feeding control on the deacidification atomizer 1;
s4-2: monitoring the feeding amount of the reactant feeding of the deacidification atomizer 1 in real time, and recording the feeding amount as the existing feeding amount;
s4-3: drawing a pre-judgment curve for the change of the main pollutant content based on the historical change data of the real-time content of the main pollutant;
the abscissa of the pre-judging curve of the change of the content of the main pollutants is time, and the current time is taken as a starting point; setting a prediction time period, in this embodiment, the prediction time period is 10 minutes, and the unit is minutes; the ordinate is the content of main pollutants in the flue gas per minute; setting a historical data acquisition time, wherein in the embodiment, the historical data acquisition time is 1 minute, that is, the content of main pollutants in the flue gas per minute in the past 60 minutes is historical change data, taking the current time as a starting point; based on existing machine learning models, such as: generating an existing network model such as a antagonistic neural network, namely predicting the content of the main pollutants in a prediction time period, and drawing a pre-judgment curve of the content change of the main pollutants according to a prediction result;
s4-4: drawing a real-time curve of the content change of the main pollutants based on the real-time data of the content change of the main pollutants;
the abscissa of the real-time curve of the change of the main pollutant content is time, the end point is current time, and the ordinate is the content of the main pollutant in the flue gas per second; updating all the monitored real-time data to a curve as a main pollutant content change real-time curve;
s4-5: comparing the real-time curve of the content change of the main pollutants with the pre-judgment curve of the content change of the main pollutants, and respectively finding out the change trends of the real-time content of the main pollutants on the two curves;
finding out the corresponding points of the current time point on a main pollutant content change real-time curve and a main pollutant content change pre-judgment curve, calculating to obtain a tangent of the curve, and obtaining the change trend of the main pollutant content on the two curves; respectively recording as follows: real-time variation trend and pre-judging variation trend, if the real-time variation trend is smaller than the pre-judging variation trend;
adjusting the PID parameters, finely adjusting P, I, D parameters in the PID controller for the reactant, and rapidly adjusting the PID controller to achieve the purpose of self-adaptive parameter correction; such as: the operation of increasing the reactant feeding amount and the feeding frequency is realized by fine adjustment of the middle P, I, D parameter, so as to prevent the problem that the real-time content of main pollutants is increased;
otherwise, the existing PID parameters are kept unchanged.
S5: the real-time content of the main pollutants of the incineration flue gas in the deacidification atomizer 1 is monitored in real time during the feeding process of the deacidification atomizer 1.
S6: comparing the real-time content of the main pollutants with a qualified inspection threshold;
if the real-time content of the main pollutants in the deacidification atomizer 1 is less than or equal to the qualified inspection threshold value, the atmospheric delivery standard is reached, and the deacidification operation is finished;
otherwise, the real-time steps S4-S5 are repeated.
Before the deacidified tail gas is discharged out of the deacidification atomizer 1 through the smoke exhaust duct 14, step S7 is also performed:
s7-1: a tail gas temperature threshold is preset, and the flue gas with the temperature lower than the tail gas temperature threshold can be discharged into a subsequent dust removal device;
s7-2: the temperature of the flue gas at the outlet of the deacidification atomizer 1 is monitored in real time and is recorded as the temperature of the tail gas of the flue gas,
s7-3: comparing the temperature of the flue gas and the tail gas with a tail gas temperature threshold value;
if the temperature of the tail gas of the flue gas is higher than the tail gas temperature threshold value, the controller adjusts the temperature reduction water of the flue gas to reduce the temperature of the flue gas by using a single PID adjusting mode based on the temperature reduction water by using a PID controller; circularly executing the steps S6-2 to S6-3;
otherwise, the flue gas after deacidification is discharged from the deacidification atomizer 1 and enters a subsequent dust removal device.
In the technical scheme of the invention, the input of the reactant is realized by adjusting P, I, D parameters in the PID controller for the reactant, and compared with a cascade PID control mode in the prior art, the method has the advantages of simpler realization process, higher regulation speed and more accurate control on the input amount of the reactant; based on the accurate control of reactant input volume, not only avoided the reactant extravagant, reduced manufacturing cost, moreover through the accurate control to main pollutant real-time content in the deacidification atomizer, ensured that the exhaust gas accords with the atmosphere and puts in the standard. Meanwhile, the proportion link (P), the integral link (I) and the differential link (D) in the PID parameters are automatically finely adjusted in real time based on the main pollutant content change pre-judgment curve so as to adapt to various conditions occurring in operation, the process that the parameters need to be artificially corrected after a period of time in PID regulation control is omitted, the system control difficulty is reduced, meanwhile, the PID parameter fine adjustment is realized based on historical data and real-time data, the reactant input is ensured to be more in line with the actual reaction needs of the system, and further the accuracy of the system operation is ensured. Because deacidify behind the atomizer equipment for the sack cleaner, this equipment has certain requirement to the flue gas temperature, needs to control the flue gas temperature, and the controller carries out PID regulation to the flue gas cooling water through conventional single PID regulation mode according to the judgement of flue gas temperature, further confirms the adaptability of system control, makes the system have more the practicality.
Claims (8)
1. A deacidification atomizer feed control method, comprising the steps of:
s1: carrying out component analysis on incineration flue gas in a garbage incineration boiler to find out all pollutants;
it is characterized by also comprising the following steps:
s2: calculating the reactant demand to be consumed respectively based on all pollutants in the incineration flue gas; finding the pollutant which needs to consume the most amount of the reactant, and recording the pollutant as a main pollutant;
s3: presetting a qualified inspection threshold value of the main pollutants; the content of the main pollutants in the incineration flue gas reaches the inspection qualified threshold value, namely the quality standard that the main pollutants in the incineration flue gas reach the released atmosphere is represented;
s4: feeding the deacidification atomizer based on a single PID regulation control mode; and meanwhile, the reactant feeding self-adaptive regulation and control are carried out based on a single PID regulation and control mode;
s5: monitoring the real-time content of the main pollutants in the incineration flue gas in the deacidification atomizer in real time during the feeding process of the deacidification atomizer;
s6: comparing the real-time level of the primary contaminant to the inspection pass threshold;
if the real-time content of the main pollutants in the deacidification atomizer is less than or equal to the inspection qualified threshold value, the atmospheric delivery standard is reached, and the deacidification operation is finished;
otherwise, the real-time steps S4-S6 are repeated.
2. A method of feeding control of a deacidification atomizer in accordance with claim 1, wherein: it further comprises step S7:
s7-1: presetting a tail gas temperature threshold, wherein the flue gas with the temperature less than the tail gas temperature threshold can be discharged into a subsequent tail gas treatment device;
s7-2: monitoring the temperature of the flue gas at the outlet of the deacidification atomizer in real time, and recording the temperature as the temperature of the tail gas of the flue gas;
s7-3: comparing the flue gas tail gas temperature to the tail gas temperature threshold;
if the temperature of the tail gas of the flue gas is higher than the tail gas temperature threshold value, regulating flue gas cooling water based on a single PID regulating mode to cool the flue gas; circularly executing the steps S6-2 to S6-3;
otherwise, discharging the deacidified flue gas out of the deacidification atomizer and entering a subsequent tail gas treatment device.
3. A method of feeding control of a deacidification atomizer in accordance with claim 1, wherein: in step S4, the reactant feed adaptive regulation control is performed based on the single PID regulation control manner, including the following steps:
s4-1: presetting an initial parameter of a PID parameter according to the predicted reaction completion time, and carrying out reactant feeding control on the deacidification atomizer;
s4-2: monitoring the feeding amount of the reactant feeding of the deacidification atomizer in real time, and recording the feeding amount as the existing feeding amount;
s4-3: drawing a main pollutant content change pre-judgment curve based on the historical change data of the real-time content of the main pollutants;
s4-4: drawing a real-time curve of the content change of the main pollutants based on the real-time data of the content change of the main pollutants;
s4-5: comparing the real-time curve of the content change of the main pollutants with the pre-judgment curve of the content change of the main pollutants to respectively find out the change trend of the real-time content of the main pollutants; respectively recording as follows: real-time variation trend and pre-judgment variation trend;
if the real-time variation trend is smaller than the pre-judged variation trend, adjusting PID parameters to increase the reactant feeding amount and the feeding frequency so as to prevent the problem that the real-time content of the main pollutants is increased;
otherwise, the existing PID parameters are kept unchanged.
4. A method of feeding control of a deacidification atomizer in accordance with claim 1, wherein: in step S2, the contaminants include: HCL, SO2, HF; the main component of the reactant is Ca (OH) 2;
the reactant supply amount calculation formula is as follows:
Ca(OH)2+SO2=CaSO3/CaSO4+H2O
Ca(OH)2+HCL=CaCL2+H2O
Ca(OH)2+HF=CaF2+H2O。
5. a deacidification-atomizer feed control system, comprising: total controller, deacidification atomizer, reactant supply tank, cooling water liquid supply ware, its characterized in that, it still includes: a PID controller for reactants and a PID controller for cooling water;
a reactant stop valve, a reactant regulating valve and a reactant liquid flow meter are sequentially arranged between a reactant inlet of the deacidification atomizer and the reactant supply tank; the reactant regulating valve is controlled by the reactant through a PID controller; the reactant stop valve, the reactant PID controller and the reactant liquid flow meter are electrically connected with the master controller;
a cooling water cut-off valve, a cooling water regulating valve and a cooling water liquid flowmeter are sequentially arranged between the cooling water liquid supply device and a cooling water inlet of the deacidification atomizer; the cooling water regulating valve is electrically connected with the PID controller for cooling water; the cooling water cut-off valve, the PID controller for cooling water and the cooling water liquid flow meter are electrically connected with the master controller;
a flue gas flowmeter, a thermometer, a pressure sensor and a flue gas component analysis device are sequentially arranged between the flue gas outlet of the incinerator and the flue gas inlet of the deacidification atomizer; the flue gas component analysis device, the liquid flowmeter, the flue gas flowmeter, the thermometer and the pressure sensor are respectively in communication connection with the controller.
6. A deacidification atomizer feed control system according to claim 5, wherein: the master controller is based on PLC control deacidification atomizer, reactant supply tank, cooling water liquid supply ware, and is based on the industrial computer as man-machine conversation interface.
7. A deacidification atomizer feed control system according to claim 5, wherein: the flue gas component analysis device is realized based on a CEMS device.
8. A deacidification atomizer feed control system according to claim 5, wherein: the PID controller for cooling water and the PID controller for reactants are realized based on Siemens PLC S7-1500 series.
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