CN108479343A - A kind of Intelligentized control method based on three warehouse formula organic waste gas treatment equipments - Google Patents
A kind of Intelligentized control method based on three warehouse formula organic waste gas treatment equipments Download PDFInfo
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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
- B01D53/75—Multi-step processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
- B01D53/346—Controlling the process
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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
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
- B01D53/84—Biological processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2257/00—Components to be removed
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Abstract
The present invention provides a kind of Intelligentized control method based on three warehouse formula organic waste gas treatment equipments, the organic waste gas treatment equipment of three warehouses is arranged in this method, three warehouses of this equipment are transversely arranged, it is respectively provided with upper layer and lower layer air distribution plate in each warehouse, filling is conducive to the biologic packing material of microorganism fungus kind absorption between two layers of air distribution plate, water distributor, three electrically operated valves of the water inlet end installation control flow of water distributor are arranged in the top of upper layer air distribution plate.The intelligent control program of use is to import and export VOCs, recirculated water oxidation-reduction potential, recirculated water acid-base value, the VOCs values of each warehouse outlet, pipeline pressure, the data such as air draft air quantity, each segment process parameter of auto-control, founding mathematical models by monitoring.Three sets of Standard Control Procedures, make waste gas treatment equipment be run according to plug-in built in the mathematical model, reduce manpower consumption, reduce the energy and material consumption, while easy to operate, control is stablized.
Description
Technical field
The present invention relates to volatile organic waste gas process fields, and in particular to one kind being based on three warehouse formula VOCs treatments
The Intelligentized control method of equipment.
Background technology
At this stage, different places and industry-by-industry suffer from difference to the discharge standard of VOCs (volatile organic waste gas) and want
It asks, existing waste gas treatment engineering equipment is mostly according to the design of different discharge standard progress control systems, but this process people
Work consumption is big, and control is complicated unstable, and the energy and material consumption are huge, and professional is needed to guard, and the degree of automation is not high, and
Meaning parameter can be caused to lack of proper care due to misoperation, gently then cause to be vented it is exceeded, it is heavy then cause technological parameter disorderly, need again
New debugging could use.
Invention content
For the above technological deficiency, the present invention provides a kind of intelligent control based on three warehouse formula organic waste gas treatment equipments
Method processed, includes the following steps：
1, equipment is installed：Three warehouse formula organic waste gas treatment equipments are set, and three warehouses are transversely arranged, in each warehouse
Upper layer and lower layer air distribution plate is set, and filling is conducive to the biologic packing material of microorganism fungus kind absorption, upper layer air distribution plate between two layers of air distribution plate
Top be arranged water distributor, water distributor water inlet end installation control flow electrically operated valve, three storehouses are flowed through according to organic exhaust gas
The path electrically operated valve of body is denoted as electrically operated valve 1, electrically operated valve 2, electrically operated valve 3 successively, and warehouse bottom is provided with diversion trench and is used for
The nutrient solution sprayed is accepted, nutrient solution is pooled in a cyclic water tank, then passes through circulating pump and pipeline and electrically operated valve
It is connected, has wind channel to communicate between adjacent warehouse, organic exhaust gas enters first warehouse through piping, then in turn through three
Sprayed in warehouse, catalytic oxidation, absorption, the degradations such as bio-trickling technique, then pass through the wind channel of the last one warehouse and arrange
Go out.
2, data monitoring：Enter the inlet of first warehouse, at the wind channel of two warehouses in organic exhaust gas, organic waste
VOCs monitors are respectively set in the exit of gas, the organic exhaust gas data monitored be denoted as respectively VOCs1, VOCs2, VOCs3 and
VOCs4, the inlet setting airflow pressure monitor that first warehouse is entered in organic exhaust gas monitor air quantity and wind pressure, are recycling
PH meters, ORP meters, soda acid dosing pump and oxidant dosing pump are set on water tank, and PH meters and ORP count the pH value for monitoring nutrient solution
And ORP value, induced draft fans are connected at the wind channel of the organic exhaust gas discharge of the last one warehouse, induced draft fans are by fan frequency conversion
Device regulates and controls, and intelligent control box is arranged in the three warehouses formula organic waste gas treatment equipment, and intelligent control box collects each monitoring data simultaneously
It is handled, then regulates and controls connection electrically operated valve, circulating pump, soda acid dosing pump, oxidant dosing pump and fan frequency converter, air quantity wind
Monitor monitoring numerical value feedback signal is pressed to control fan frequency converter, ORP counts feedback signal and controls oxidant dosing pump, pH meter feedback
Signal controls soda acid dosing pump.
3, equipment starts：After booting, equipment automatically records the time, is subject to actual run time, and run time is 120 small
When.This stage, electrically operated valve 1, electrically operated valve 2, electrically operated valve 3 are all turned on, and the acclimated microorganism strain built in warehouse exists
Under the supplement of nutrient solution, quick flourish, wind pressure control is controlled in standard atmospheric pressure -10Pa, pH value mode standard 7~9
Between.
4, the stage is debugged：After the completion of equipment startup stage, into the equipment debugging stage, with (VOCs3-VOCs4)/VOCs3
Subject to, this parameter is automatically selected or is manually entered according to VOCs1, this stage electrically operated valve 1 and electrically operated valve 2 are opened, motor-driven valve
Door 3 is closed, while ORP value control ensures oxidation effectiveness, while ORP numerical value also receives (VOCs1- between 300~400
VOCs3)/VOCs1 controls, and ORP numerical value is automatically selected or is manually entered also according to VOCs1.
5, the stabilization sub stage：After (VOCs3-VOCs4)/VOCs3 reaches a certain numerical value, the indication debugging stage terminates, and enters
Stabilization sub stage, it is subject to (VOCs2-VOCs3)/VOCs2, this parameter is automatically selected or is manually entered according to VOCs1, this stage electricity
Movable valve 1 is opened, and electrically operated valve 2 and electrically operated valve 3 are closed, while ORP controls ensure oxidation effectiveness between 200~300,
ORP value also receives (VOCs1-VOCs2)/VOCs1 controls simultaneously, and ORP value is automatically selected or is manually entered also according to VOCs1.
6, normal operating phase：After (VOCs2-VOCs3)/VOCs2 reaches a certain numerical value, the indication stabilization sub stage terminates,
Into normal operating phase, this stage motor-driven valve 1, electrically operated valve 2, electrically operated valve 3 are turned off, and water circulating pump is closed, only logical
The operation for crossing the monitor value regulation and control induced draft fans of wind pressure, ensures exhausting effect.
Preferably, one ORP of each installation settings meters on three warehouses, the organic exhaust gas enter first warehouse
Monitoring data, that is, VOCs1 of inlet points are three data segments, low concentration：Less than 500mg/m3, middle concentration：500-1000mg/m3
And high concentration：More than 1000mg/m3, it is less than 500mg/m when VOCs1 is in3When, the ORP value of three warehouses presses airflow direction successively
Control is 800,600,600, when VOCs1 is in 500-1000mg/m3When, the ORP value of three warehouses is controlled successively by airflow direction
System is more than 1000mg/m 900,700,600, when VOCs1 is in3When, the ORP value of three warehouses is controlled successively by airflow direction
900,800,600.
Preferably, in the stabilization sub stage, the numberical range that (VOCs3-VOCs4)/VOCs3 reaches is 50-60%, normal operation
(VOCs2-VOCs3)/VOCs2 reaches in 80-90% in stage.
Preferably, the position of wind channel is one high and one low on warehouse, and one of wind channel position is higher than upper layer air distribution plate
Position, another wind channel position is less than the position of lower layer's air distribution plate, and organic exhaust gas passes through less than lower layer's air distribution plate position
Wind channel enters warehouse, and flow trace of the organic exhaust gas in three warehouses is S types, forms the state of low in and high out.
The present invention imports and exports VOCs, recirculated water oxidation-reduction potential, recirculated water acid-base value, each warehouse outlet by monitoring
VOCs values, pipeline pressure, the data such as air draft air quantity, each segment process parameter of auto-control, founding mathematical models.The mathematical model
Built-in three sets of Standard Control Procedures, make waste gas treatment equipment be run according to plug-in, reduce manpower consumption, reduce the energy and material
Material consumption, while easy to operate, control is stablized.Compared with prior art, exhaust gas is controlled using intelligent control technology of the present invention
For processing procedure, it can be achieved that unattended formula operates, 20% or more reagent cost, equipment operation are saved in the operation of system automatic stabilisation
95% or more compliance rate.
Description of the drawings
Fig. 1 is the flow diagram of the present invention；
Fig. 2 is the structural schematic diagram of the three warehouse formula organic waste gas treatment equipments of the present invention；
In figure：1- warehouses；2- air distribution plates；3- water distributors；4- wind channels；5- cyclic water tanks.
Specific implementation mode
The specific implementation mode of the present invention is described further below in conjunction with the accompanying drawings, as shown in Figure 1, 2, the present invention provides
Having for three warehouse is arranged in a kind of Intelligentized control method based on three warehouse formula organic waste gas treatment equipments, this method first
Three warehouses 1 of machine waste gas treatment equipment, this equipment are transversely arranged, are respectively provided with upper layer and lower layer air distribution plate 2 in each warehouse 1, and two
Filling is conducive to the biologic packing material of microorganism fungus kind absorption between layer air distribution plate 2, and water distributor 3, cloth is arranged in the top of upper layer air distribution plate 2
The electrically operated valve of the water inlet end installation control flow of hydrophone 3, according to organic exhaust gas flow through the path electrically operated valves of three warehouses 1 according to
Secondary to be denoted as electrically operated valve 1, electrically operated valve 2, electrically operated valve 3,1 bottom of warehouse is provided with diversion trench for accepting the nutrition sprayed
Liquid, nutrient solution is pooled in a cyclic water tank 5, then is connected with electrically operated valve by circulating pump and pipeline, between adjacent warehouse 1
There is wind channel to communicate, organic exhaust gas enters first warehouse through piping, then in turn through being sprayed, connect in three warehouses
The degradations such as oxidation, absorption, bio-trickling technique are touched, then are discharged by the wind channel 4 of the last one warehouse.
Further, the position of wind channel 4 is one high and one low on warehouse 1, and one of wind channel position is higher than upper layer
The position of air distribution plate 2, another wind channel position are less than the position of lower layer's air distribution plate 2, and organic exhaust gas is by being less than lower layer's cloth wind
The wind channel of 2 position of plate enters warehouse 1, and flow trace of the organic exhaust gas in three warehouses 1 is S types, forms low in and high out
State.
For effectively monitoring data, enter the inlet of first warehouse, at the wind channel of two warehouses in organic exhaust gas,
VOCs monitors are respectively set in the exit of organic exhaust gas, the organic exhaust gas data monitored be denoted as respectively VOCs1, VOCs2,
VOCs3 and VOCs4, the inlet setting airflow pressure monitor that first warehouse is entered in organic exhaust gas monitor air quantity and wind
Pressure, is arranged PH meters, ORP meters, soda acid dosing pump and oxidant dosing pump on cyclic water tank, and PH meters and ORP meters are used to monitor battalion
The pH value and ORP value of nutrient solution connect induced draft fans, induced draft fans at the wind channel of the organic exhaust gas discharge of the last one warehouse
Regulated and controled by fan frequency converter, intelligent control box is arranged in three warehouse formula organic waste gas treatment equipments, and intelligent control box collects each monitoring
Data are simultaneously handled, then regulate and control connection electrically operated valve, circulating pump, soda acid dosing pump, oxidant dosing pump and fan frequency converter,
Airflow pressure monitor monitoring numerical value feedback signal controls fan frequency converter, and ORP counts feedback signal and controls oxidant dosing pump, pH
It counts feedback signal and controls soda acid dosing pump.
This method controls program by intelligent control box accepted standard and is divided into three kinds：Low-concentration organic exhaust gas controls journey
Sequence, middle concentration organic exhaust gas control program and high-concentration organic waste gas control program.Low-concentration organic exhaust gas controls program, is applicable in
In VOCs total amounts 500mg/m3Organic exhaust gas below, which can manually select, and after option program, system is according to feedback coefficient
According to being controlled by intelligent control system control model, automatic running, and be adjusted to technique.The program can also pass through inspection
Import VOCs concentration is surveyed, is automatically selected, and voluntarily controlled by intelligent control system control model, automatically according to feedback data
Operation.
The principle of above-mentioned intelligent control system control model is：
1, monitoring parameters are set：Air quantity, wind pressure, VOCs1, VOCs2, VOCs3, VOCs4, ORP value, pH value.Control mode：
1, wind pressure value, control control fan frequency converter in standard atmospheric pressure -10Pa, feedback signal；2, ORP value, the ORP in cyclic water tank
Between 200~400, feedback signal controls oxidant dosing pump for value control；3, pH value, mode standard control between 7~9,
Feedback signal controls soda acid dosing pump.
2, equipment starts：After booting, equipment automatically records the time, is subject to actual run time, and run time is 120 small
When.This stage, electrically operated valve 1, electrically operated valve 2, electrically operated valve 3 are all turned on, and the acclimated microorganism strain built in warehouse exists
Under the supplement of nutrient solution, quick flourish, wind pressure control is controlled in standard atmospheric pressure -10Pa, pH value mode standard 7~9
Between.
3, the stage is debugged：After the completion of equipment startup stage, into the equipment debugging stage, with (VOCs3-VOCs4)/VOCs3
Subject to, this parameter is automatically selected or is manually entered according to VOCs1, this stage electrically operated valve 1 and electrically operated valve 2 are opened, motor-driven valve
Door 3 is closed, while ORP value control ensures oxidation effectiveness, while ORP numerical value also receives (VOCs1- between 300~400
VOCs3)/VOCs1 controls, and ORP numerical value is automatically selected or is manually entered also according to VOCs1.
4, the stabilization sub stage：When (VOCs3-VOCs4)/VOCs3 reaches 50-60%, the indication debugging stage terminates, into steady
Determine the stage, be subject to (VOCs2-VOCs3)/VOCs2, this parameter is automatically selected or is manually entered according to VOCs1, this stage is electronic
Valve 1 is opened, and electrically operated valve 2 and electrically operated valve 3 are closed, while ORP controls ensure oxidation effectiveness, together between 200~300
When ORP value also receive (VOCs1-VOCs2)/VOCs1 controls, and ORP value is automatically selected or is manually entered also according to VOCs1.
5, normal operating phase：When (VOCs2-VOCs3)/VOCs2 reaches 80-90%, the indication stabilization sub stage terminates, into
Enter normal operating phase, this stage motor-driven valve 1, electrically operated valve 2, electrically operated valve 3 are turned off, and water circulating pump is closed, and is only passed through
The operation of the monitor value regulation and control induced draft fans of wind pressure, ensures exhausting effect.
The intelligent control system of middle concentration organic exhaust gas control program and high-concentration organic waste gas control program controls mould
Formula is identical as above-mentioned low-concentration organic exhaust gas control program, and difference is the control of the ORP value of lower three warehouses of different concentration
Value processed is different, see the table below：
Then it is the nutrient solution regulated and controled by circulating pump in cyclic water tank when the ORP value on three warehouses is not in setting value
Raise up to water distributor the ORP value being adjusted in warehouse.
When air quantity change dramatically or larger each phase process efficiency (removal rate) amplitude of variation, system can enter adjustment
State is modified, and is divided into following three kinds of states according to variation range：
| State | General variation | Big variation | Canceration |
| Variation range | 0~10% | 10~20% | 20% or more |
| Program acquiescence enters the stage | Normal operating phase | Stabilization sub stage | The debugging stage |
This method earlier stage treatment process is based on physical oxidation, supplemented by biological oxidation, with the passage of process, biological bacterium colony
It is formed, biological oxidation reaches certain effect, immediately to technical arrangement plan, adjusts to biological oxidation position, physics oxygen
It turns to auxiliary；Finally realize that this equipment abuts biological oxidation, processing capacity is met the requirements.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the general of this field
For logical technical staff, the invention may be variously modified and varied；All within the spirits and principles of the present invention, appoint made by
What modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of Intelligentized control method based on three warehouse formula organic waste gas treatment equipments, it is characterised in that：Including following step
Suddenly：
Equipment is installed：Three warehouse formula organic waste gas treatment equipments are set, and three warehouses are transversely arranged, are respectively provided in each warehouse
Lower two layers of air distribution plate, between two layers of air distribution plate filling be conducive to the biologic packing material of microorganism fungus kind absorption, the top of upper layer air distribution plate
Water distributor is set, and the electrically operated valve of the water inlet end installation control flow of water distributor flows through the road of three warehouses according to organic exhaust gas
Diameter electrically operated valve is denoted as electrically operated valve 1, electrically operated valve 2, electrically operated valve 3 successively, warehouse bottom be provided with diversion trench for accept spray
The nutrient solution drenched, nutrient solution are pooled in a cyclic water tank, then are connected with electrically operated valve by circulating pump and pipeline, phase
There is wind channel to communicate between adjacent warehouse, organic exhaust gas enters first warehouse through piping, then in turn through in three warehouses
Sprayed, catalytic oxidation, absorption, the degradations such as bio-trickling technique, then pass through the wind channel of the last one warehouse and be discharged；
Data monitoring：Enter the inlet of first warehouse, at the wind channel of two warehouses in organic exhaust gas, organic exhaust gas goes out
VOCs monitors are respectively set at mouthful, the organic exhaust gas data monitored are denoted as VOCs1, VOCs2, VOCs3 and VOCs4 respectively,
The inlet setting airflow pressure monitor for entering first warehouse in organic exhaust gas monitors air quantity and wind pressure, on cyclic water tank
PH meters, ORP meters, soda acid dosing pump and oxidant dosing pump are set, and PH meters and ORP count pH value and ORP for monitoring nutrient solution
Value connects induced draft fans at the wind channel of the organic exhaust gas discharge of the last one warehouse, and induced draft fans are by fan frequency converter tune
Intelligent control box is arranged in control, the three warehouses formula organic waste gas treatment equipment, and intelligent control box is collected each monitoring data and carried out
Processing, then regulate and control connection electrically operated valve, circulating pump, soda acid dosing pump, oxidant dosing pump and fan frequency converter, airflow pressure prison
It surveys instrument monitoring numerical value feedback signal and controls fan frequency converter, ORP counts feedback signal and controls oxidant dosing pump, pH meter feedback signal
Control soda acid dosing pump；
Equipment starts：After booting, equipment automatically records the time, is subject to actual run time, and run time is 120 hours, this
Stage, electrically operated valve 1, electrically operated valve 2, electrically operated valve 3 are all turned on, and the acclimated microorganism strain built in warehouse is in nutrient solution
Supplement under, quick flourish, in standard atmospheric pressure -10Pa, pH value mode standard controls between 7~9 for wind pressure control；
The debugging stage：After the completion of equipment startup stage, into the equipment debugging stage, it is subject to (VOCs3-VOCs4)/VOCs3, this
Parameter is automatically selected or is manually entered according to VOCs1, this stage electrically operated valve 1 and electrically operated valve 2 are opened, and electrically operated valve 3 is closed,
ORP value control simultaneously ensures oxidation effectiveness, while ORP numerical value also receives (VOCs1-VOCs3)/VOCs1 between 300~400
Control, and ORP numerical value is automatically selected or is manually entered also according to VOCs1；
Stabilization sub stage：After (VOCs3-VOCs4)/VOCs3 reaches a certain numerical value, the indication debugging stage terminates, into stablizing rank
Section, is subject to (VOCs2-VOCs3)/VOCs2, this parameter is automatically selected or is manually entered according to VOCs1, this stage electrically operated valve
1 opens, and electrically operated valve 2 and electrically operated valve 3 are closed, while ORP controls ensure oxidation effectiveness, while ORP between 200~300
Value also receives (VOCs1-VOCs2)/VOCs1 controls, and ORP value is automatically selected or is manually entered also according to VOCs1；
Normal operating phase：After (VOCs2-VOCs3)/VOCs2 reaches a certain numerical value, the indication stabilization sub stage terminates, into just
Normal operation phase, this stage motor-driven valve 1, electrically operated valve 2, electrically operated valve 3 are turned off, and water circulating pump is closed, and wind pressure is only passed through
Monitor value regulation and control induced draft fans operation, ensure exhausting effect.
2. the Intelligentized control method according to claim 1 based on three warehouse formula organic waste gas treatment equipments, feature
It is：One ORP meter of each installation settings, the organic exhaust gas enter the prison of the inlet of first warehouse on three warehouses
Measured data, that is, VOCs1 points are three data segments, low concentration：Less than 500mg/m3, middle concentration：500-1000mg/m3 and high concentration：
More than 1000mg/m3, it is less than 500mg/m when VOCs1 is in3When, the ORP value of three warehouses is controlled successively by airflow direction
800,600,600, when VOCs1 is in 500-1000mg/m3When, the ORP value of three warehouses is controlled successively by airflow direction
900,700,600, it is more than 1000mg/m when VOCs1 is in3When, the ORP value of three warehouses is controlled successively by airflow direction
900、800、600。
3. the Intelligentized control method according to claim 2 based on three warehouse formula organic waste gas treatment equipments, feature
It is：In the stabilization sub stage, the numberical range that (VOCs3-VOCs4)/VOCs3 reaches is 50-60%, the normal fortune
(VOCs2-VOCs3)/VOCs2 reaches in 80-90% in row order section.
4. the Intelligentized control method according to claim 1 or 2 or 3 based on three warehouse formula organic waste gas treatment equipments,
It is characterized in that：The position of wind channel is one high and one low on the warehouse, and one of wind channel position is higher than upper layer air distribution plate
Position, another wind channel position is less than the position of lower layer's air distribution plate, and organic exhaust gas passes through less than lower layer's air distribution plate position
Wind channel enters warehouse, and flow trace of the organic exhaust gas in three warehouses is S types, forms the state of low in and high out.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111773917A (en) * | 2020-07-17 | 2020-10-16 | 广东中微环保生物科技有限公司 | Nutrient solution automatic compensation system for waste gas biological treatment device |
| CN111871164A (en) * | 2020-06-15 | 2020-11-03 | 浙江工业大学 | Intelligent regulation and control method for low-temperature plasma catalytic degradation of CVOCs |
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| CN111871164A (en) * | 2020-06-15 | 2020-11-03 | 浙江工业大学 | Intelligent regulation and control method for low-temperature plasma catalytic degradation of CVOCs |
| CN111871164B (en) * | 2020-06-15 | 2023-03-21 | 浙江工业大学 | Intelligent regulation and control method for low-temperature plasma catalytic degradation of CVOCs |
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