CN107703875A - One kind eliminates white cigarette control system and method - Google Patents
One kind eliminates white cigarette control system and method Download PDFInfo
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- CN107703875A CN107703875A CN201711073002.3A CN201711073002A CN107703875A CN 107703875 A CN107703875 A CN 107703875A CN 201711073002 A CN201711073002 A CN 201711073002A CN 107703875 A CN107703875 A CN 107703875A
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- detection module
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- white cigarette
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/14—Plc safety
- G05B2219/14006—Safety, monitoring in general
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- Automation & Control Theory (AREA)
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Abstract
The present invention discloses a kind of elimination white cigarette control system, the control system includes desulfurization unit, dust removing units, control unit and outlet, wherein, the desulfurization unit, dust removing units, control unit and outlet are sequentially connected, described control unit includes detection module, host computer, hot saw PLC, air-introduced machine and mixing module, wherein, the detection module, host computer, hot saw PLC, air-introduced machine and mixing module are sequentially connected.The application provides a kind of elimination white cigarette control system and method, it is the state and atmospheric condition by detecting the pipeline gas after desulfurization and dedusting, temperature and humidity to pipeline gas carry out the regulation of intelligence, and discharge, to reach the purpose for eliminating white cigarette, meanwhile the application also proposes to adjust the method for pipeline gas temperature and humidity to introduce sintering machine waste heat, and the purpose to pipeline gas temperature and humidity progress intelligent control is realized by controlling the input quantity of sintering machine waste heat.
Description
Technical field
The present invention relates to flue gases purification field, and in particular to one kind eliminates white cigarette control system and method.
Background technology
The sulfur method of high-temperature flue gas can be divided into two kinds of dry and wet.Because technology maturation, desulfuration efficiency are high, so wet
Method flue gas desulfurization has turned into maximally efficient, the main technological means of control of acid rain and sulfur dioxide pollution, is applied in China
Also it is very extensive.But wet process of FGD have one it is obvious and be exactly to discharge flue gas meeting at throat the shortcomings that be difficult to overcome
" white cigarette " phenomenon is produced, its harm is quite big, and it is more direct compared with the harm of acid rain.Palpus occurs because in general acid rain phenomenon endangers
Possesses certain condition, i.e., after sulfur dioxide is diffused into atmosphere, it is necessary to reach the water dew point of air, can just produce sulfuric acid liquid
Drop, and in " white cigarette " phenomenon, the actual white cigarette of throat is exactly sulfuric acid droplet, steel construction of building etc. can be produced directly
Corrosion, greatly reduce its service life, growth that also can be to surrounding plants produces very big harm.
And in the currently used method for eliminating white cigarette, exist and eliminate the problem of efficiency is low, i.e., can not be according in pipeline
The state and atmospheric condition of gas carry out Intelligent adjustment to the temperature and humidity of desulfurization white cigarette.
The content of the invention
In view of this, the application provides a kind of elimination white cigarette control system and method, and it is by detecting through desulfurization and dedusting
The state and atmospheric condition of pipeline gas afterwards, temperature to pipeline gas and humidity carry out the regulation of intelligence, and discharge, with up to
To the purpose for eliminating white cigarette, meanwhile, the application also proposes that it is to introduce more than sintering machine to adjust pipeline gas temperature and the method for humidity
Heat, and realize the purpose to pipeline gas temperature and humidity progress intelligent control by controlling the input quantity of sintering machine waste heat.
To solve above technical problem, technical scheme provided by the invention is that one kind eliminates white cigarette control system, the control
System processed includes desulfurization unit, dust removing units, control unit and outlet, wherein, the desulfurization unit, dust removing units, control
Unit and outlet are sequentially connected, and described control unit includes detection module, host computer, hot saw PLC, air-introduced machine and hybrid guided mode
Block, wherein, the detection module, host computer, hot saw PLC, air-introduced machine and mixing module are sequentially connected.
Preferably, the detection module includes detection module 1 and detection module 2, and it passes through Ethernet and host computer phase
Even, wherein, the detection module 1 is used for the state for detecting air in pipeline, and the detection module 2 is used for the shape for detecting air
State.
Preferably, temperature sensing assembly and Humidity Detection component are provided with the detection module 1 and detection module 2.
Preferably, the hot saw PLC includes power distribution cabinet and CPU module, and the power distribution cabinet is provided with PLC and power module.
Preferably, fm components are provided with the air-introduced machine.
Preferably, sintering machine is additionally provided with described control unit, it is connected with air-introduced machine.
A kind of method intelligently eliminated to white cigarette using above-mentioned elimination white cigarette control system, is comprised the following steps：
1) pipeline gas after desulfurization unit and dust removing units processing is delivered at detection module 1, by detecting mould
Block 1 detects the state of pipeline gas, and acquired results are sent to being integrated at host computer；
2) detection module 2 is used to detecting the state of air, and gained testing result is sent to being integrated at host computer；
3) after host computer is integrated to detection module in step 1) and step 2) 1 and the data obtained of detection module 2, tied integrating
Fruit is sent to being handled at hot saw PLC；
4) hot saw PLC carries out processing computing to gathered data according to the master pattern to prestore, and by acquired results send to
At the air-introduced machine being connected with sintering machine, and by controlling the fm components in air-introduced machine to control its working condition, wherein, sintering machine
The input quantity of waste heat is controlled for providing waste heat, and by controlling fm components；
5) waste heat and pipeline gas provided sintering machine is delivered to mixing module and mixed, and is arranged by outlet
To air.
A kind of elimination white cigarette control system provided herein, the control system include desulfurization unit, dust removing units, control
Unit and outlet processed, wherein, the desulfurization unit, dust removing units, control unit and outlet are sequentially connected, and the control is single
Member includes detection module, host computer, hot saw PLC, air-introduced machine and mixing module, wherein, the detection module, host computer, hot saw
PLC, air-introduced machine and mixing module are sequentially connected；Wherein, the detection module includes detection module 1 and detection module 2, and it is logical
Ethernet is crossed with host computer to be connected.It is proposed the pipeline gas through desulfurization unit and dust removing units being delivered to detection mould in the application
Detected in block 1, and acquired results are delivered at host computer by Ethernet and integrated, wherein, wrapped in the detection module 1
Temperature sensing assembly and Humidity Detection component are included, the gaseous state that it can be in real-time monitoring tubular road, and acquired results are delivered to
Integrated at host computer.Meanwhile detection module 2 is additionally provided with the control system, wherein, the detection module 2 includes temperature
Detection components and Humidity Detection component are spent, it is used to monitor atmospheric condition in real time, and acquired results are sent to entering at host computer
Row is integrated.After host computer receives the data that detection module 1 and detection module 2 are sent, it is integrated and by integral data
Send to hot saw PLC, the CPU in hot saw PLC will carry out processing computing according to the data model and reception data that prestore, and will
Gained operation result is sent to the PLC in hot saw PLC, by PLC to air-introduced machine executive control operation.Wherein, the air-introduced machine
Fm components are inside provided with, meanwhile, air-introduced machine is connected with sintering machine, and PLC is by controlling the work shapes of fm components in air-introduced machine
State and the input quantity for controlling sintering machine waste heat, and sintering machine waste heat is mixed in mixing module with pipeline gas, you can
Discharge.Wherein, pipeline gas is heated using the waste heat of sintering machine, reach make pipeline gas heating, dehydration purpose it is same
When control gas saturated water content, make pipeline gas saturated water content be less than air in saturated water content, disappear so as to reach
The purpose of white-smoke-removing.
The positive achievement that the present invention obtains is：
The present invention provides a kind of elimination white cigarette control system, and it is the temperature and humidity and air by detecting pipeline gas
Temperature and humidity, and by integrating calculation process, reaching makes to control the full of gas while pipeline gas heating, dehydration purpose
And water content, the saturated water content of pipeline gas is less than saturated water content in air, so as to reach the purpose for eliminating white cigarette.Its
In, the application is proposed by introducing sintering machine waste heat, contains the saturation water of pipeline gas heating, dehydration, control gas to reach
The purpose of amount, meanwhile, the introducing of waste heat improves the service efficiency of the energy.Can be according to pipeline gas state and big using the system
Gaseity carries out Intelligent adjustment to pipeline gas state, to reach the purpose for eliminating white cigarette, improves and eliminates efficiency.
Brief description of the drawings
Fig. 1 is a kind of herein described elimination white cigarette control system flow chart
Embodiment
In order that those skilled in the art more fully understands technical scheme, with reference to specific embodiment pair
The present invention is described in further detail.
Sulfur dioxide is one of Air Pollutants of face of mankind nowadays, and its pollution sources is divided into two major classes：It is natural dirty
Dye source and man-made pollution source.Natural pollution source is due to measuring less, wide, easily dilutable and purification, and the harm to environment is little, and artificial
Pollution sources are due to measuring big, concentration, concentration height causes to seriously endanger to environment.
For a long time, countries in the world are devoted to the improvement of sulfur-containing smoke gas.Wherein sulfur dioxide volume content 3.5% with
On flue gas typically use contact method relieving haperacidity, this method both can control pollution of the sulfur dioxide to air, and recyclable sulphur；And to low
The sulfur dioxide flue gas of concentration is then without comparatively ideal removal methods.
Put it briefly, the method that generally uses can be divided into before burning and be taken off in desulfurization, burning after desulfurization, burning at present both at home and abroad
Sulphur three major types：Desulfurization before burning, it is before combustion to Desulphurization of fuels, also known as Desulphurization of fuels, mainly using technologies such as coal washing
Washing is carried out to coal, most flammable inorganic sulfur in coal washed away, this method can typically remove 10-20% sulfur；Combustion
Desulfurization is during coal dust firing while puts into a certain amount of desulfurizing agent in burning, and in burning, desulfurizing agent takes off sulfur dioxide
Remove.Desulfurization is the installation desulphurization plant at flue after burning, to the method for flue gas progress desulfurization.To sum up, desulfurization is pressed in flue gas desulfurization
The form difference of agent can be divided into wet method and dry method.
And study carefully the reason for it produces " white cigarette " phenomenon and be：
Flue gas after the desulfurization of absorption tower is drained at throat, if ambient temperature is relatively low, flue-gas temperature reduces after mixing
Amplitude is larger, and when temperature is down to below its dew point, wherein vapor will condense, simultaneously because desulfuration efficiency be not generally possible to be
100%, the processing flue gas of smoke stack emission is finally delivered to still containing a small amount of sulfur dioxide not removed, so can occur following anti-
Should：
H2O+SO2=H2SO3
Sulfurous acid is unstable, is easily oxidized generation sulfuric acid droplet, here it is so-called " white cigarette " phenomenon.
Analyzed more than, the main producing cause of " white cigarette " is that flue gas definitely contains in absorption tower after the mixing of liquid gas
Moisture increases, and causes dew-point temperature to raise, and after draining into air, dew-point temperature reduces, and condenses, so as to produce " white cigarette ".Institute
That pointedly can start with from reduction flue gas dew point temperature to eliminate " white cigarette ".
The reason in the application according to " white cigarette " phenomenon is produced, the purpose for proposing to introduce sintering machine waste heat is, utilizes burning
The waste heat and heat exchange principle of knot machine, raise air in pipeline temperature.Understand, temperature rise, pipeline gas definitely contains
Moisture increase, under the high temperature conditions by the waste heat evaporation section moisture of sintering machine, declines the absolute moisture content of pipeline gas,
And when it is emitted into air, runs into cold air, the temperature of pipeline gas is begun to decline, at the same time, its absolute moisture content
Decline also with temperature starts to reduce, and less than the absolute moisture content in air, so as to reach the purpose for eliminating " white cigarette ", improves
Resource utilization.
The technical scheme that the application provides be it is a kind of eliminate white cigarette control system, the control system include desulfurization unit,
Dust removing units, control unit and outlet, wherein, the desulfurization unit, dust removing units, control unit and outlet phase successively
Even, described control unit includes detection module, host computer, hot saw PLC, air-introduced machine and mixing module, wherein, the detection mould
Block, host computer, hot saw PLC, air-introduced machine and mixing module are sequentially connected；Wherein, the detection module includes detection module 1 and inspection
Module 2 is surveyed, it is connected by Ethernet with host computer, wherein, the detection module 1 is used for the shape for detecting air in pipeline
State, the detection module 2 are used for the state for detecting air；Temperature detection is provided with the detection module 1 and detection module 2
Component and Humidity Detection component；The hot saw PLC includes power distribution cabinet and CPU module, and the power distribution cabinet is provided with PLC and power supply mould
Block；Fm components are provided with the air-introduced machine；Sintering machine is additionally provided with described control unit, it is connected with air-introduced machine.
A kind of method intelligently eliminated to white cigarette using above-mentioned control system, is comprised the following steps：
1) pipeline gas after desulfurization unit and dust removing units processing is delivered at detection module 1, by detecting mould
Block 1 detects the state of pipeline gas, and acquired results are sent to being integrated at host computer；
2) detection module 2 is used to detecting the state of air, and gained testing result is sent to being integrated at host computer；
3) after host computer is integrated to detection module in step 1) and step 2) 1 and the data obtained of detection module 2, tied integrating
Fruit is sent to being handled at hot saw PLC；
4) hot saw PLC carries out processing computing to gathered data according to the master pattern to prestore, and by acquired results send to
At the air-introduced machine being connected with sintering machine, and by controlling the fm components in air-introduced machine to control its working condition, wherein, sintering machine
The input quantity of waste heat is controlled for providing waste heat, and by controlling fm components；
5) waste heat and pipeline gas provided sintering machine is delivered to mixing module and mixed, and is arranged by outlet
To air.
It is proposed the pipeline gas through desulfurization unit and dust removing units being delivered in detection module 1 in the application to be examined
Survey, and acquired results are delivered at host computer by Ethernet and integrated, wherein, the detection module 1 includes temperature detection
Component and Humidity Detection component, the gaseous state that it can be in real-time monitoring tubular road, and acquired results are delivered to whole at host computer
Close.Meanwhile detection module 2 is additionally provided with the control system, wherein, the detection module 2 includes temperature sensing assembly
And Humidity Detection component, it is used to monitor atmospheric condition in real time, and acquired results are sent to being integrated at host computer.Detection
The purpose of atmospheric temperature and humidity is that air state in which equally influences the generation of " white cigarette " phenomenon.The application combines pipe
Road gaseous state carries out Comprehensive Assessment and control with air status, and reaches the purpose of elimination " white cigarette ".
After host computer receives the data that detection module 1 and detection module 2 are sent, it is integrated and by integral data
Send to hot saw PLC, the CPU in hot saw PLC will carry out processing computing according to the data model and reception data that prestore, and will
Gained operation result is sent to the PLC in hot saw PLC, by PLC to air-introduced machine executive control operation.Wherein, the air-introduced machine
Fm components are inside provided with, meanwhile, air-introduced machine is connected with sintering machine, and PLC is by controlling the work shapes of fm components in air-introduced machine
State and the input quantity for controlling sintering machine waste heat, and sintering machine waste heat is mixed in mixing module with pipeline gas, you can
Discharge.Wherein, pipeline gas is heated using the waste heat of sintering machine, reach make pipeline gas heating, dehydration purpose it is same
When control gas saturated water content, make pipeline gas saturated water content be less than air in saturated water content, disappear so as to reach
The purpose of white-smoke-removing.
The method that above-mentioned control system is intelligently eliminated to white cigarette, comprises the following steps：
1) pipeline gas after desulfurization unit and dust removing units processing is delivered at detection module 1 and detected, its
In, temperature sensing assembly and Humidity Detection component are provided with detection module 1, passes through temperature sensing assembly and Humidity Detection component
Detect pipeline gas state in which, and testing result is sent to being integrated at host computer；
2) detection module 2 is used to detect the state of air, wherein, temperature sensing assembly and wet is provided with detection module 2
Detection components are spent, by temperature sensing assembly and Humidity Detection component detection air state in which, and by gained testing result
Integrated at transmission to host computer；
3) host computer is received in step 1) and step 2) after gained detection data, and it is integrated to data, and by institute
Integrated results are sent to being arranged at hot saw PLC；
4) hot saw PLC carries out processing computing to gathered data according to the master pattern to prestore, and by acquired results send to
At the air-introduced machine being connected with sintering machine, and by controlling the fm components in air-introduced machine to control its working condition, wherein, sintering machine
The input quantity of waste heat is controlled for providing waste heat, and by controlling fm components；
5) waste heat and pipeline gas provided sintering machine is delivered to mixing module and mixed, and is arranged by outlet
To air.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
The limitation of the present invention, protection scope of the present invention should be defined by claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as protection scope of the present invention.
Claims (7)
1. one kind eliminates white cigarette control system, it is characterised in that the control system includes desulfurization unit, dust removing units, control
Unit and outlet, wherein, the desulfurization unit, dust removing units, control unit and outlet are sequentially connected, described control unit
Including detection module, host computer, hot saw PLC, air-introduced machine and mixing module, wherein, the detection module, host computer, hot saw
PLC, air-introduced machine and mixing module are sequentially connected.
2. a kind of according to claim 1 eliminate white cigarette control system, it is characterised in that the detection module includes detection
Module 1 and detection module 2, it is connected by Ethernet with host computer, wherein, the detection module 1 is used to detect in pipeline
The state of gas, the detection module 2 are used for the state for detecting air.
3. a kind of according to claim 2 eliminate white cigarette control system, it is characterised in that the detection module 1 and detection
Temperature sensing assembly and Humidity Detection component are provided with module 2.
4. a kind of according to claim 1 eliminate white cigarette control system, it is characterised in that the hot saw PLC includes distribution
Cabinet and CPU module, the power distribution cabinet are provided with PLC and power module.
5. a kind of according to claim 1 eliminate white cigarette control system, it is characterised in that tune is provided with the air-introduced machine
Frequency component.
6. a kind of according to claim 1 eliminate white cigarette control system, it is characterised in that is also set up in described control unit
There is sintering machine, it is connected with air-introduced machine.
A kind of 7. side intelligently eliminated to white cigarette using white cigarette control system is eliminated any one of claim 1-6
Method, it is characterised in that comprise the following steps：
1) pipeline gas after desulfurization unit and dust removing units processing is delivered at detection module 1, examined by detection module 1
Survey the state of pipeline gas, and acquired results are sent to being integrated at host computer；
2) detection module 2 is used to detecting the state of air, and gained testing result is sent to being integrated at host computer；
3) after host computer is integrated to detection module in step 1) and step 2) 1 and the data obtained of detection module 2, integrated results are sent out
Deliver at hot saw PLC and handled；
4) hot saw PLC carries out processing computing to gathered data according to the master pattern to prestore, and by acquired results send to burning
At the connected air-introduced machine of knot machine, and by controlling the fm components in air-introduced machine to control its working condition, wherein, sintering machine is used for
Waste heat is provided, and the input quantity of waste heat is controlled by controlling fm components；
5) waste heat and pipeline gas provided sintering machine is delivered to mixing module and mixed, and is arranged by outlet to big
Gas.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711073002.3A CN107703875A (en) | 2017-11-03 | 2017-11-03 | One kind eliminates white cigarette control system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711073002.3A CN107703875A (en) | 2017-11-03 | 2017-11-03 | One kind eliminates white cigarette control system and method |
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| CN107703875A true CN107703875A (en) | 2018-02-16 |
Family
ID=61177840
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| CN201711073002.3A Pending CN107703875A (en) | 2017-11-03 | 2017-11-03 | One kind eliminates white cigarette control system and method |
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| US11123690B2 (en) | 2018-12-03 | 2021-09-21 | Kunming University Of Science And Technology | Method and device for coupling-suppressing white fog by purifying CO in flue gas |
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Application publication date: 20180216 |