CN109343623A - White intelligent control method is taken off for flue gas - Google Patents
White intelligent control method is taken off for flue gas Download PDFInfo
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- CN109343623A CN109343623A CN201811406066.5A CN201811406066A CN109343623A CN 109343623 A CN109343623 A CN 109343623A CN 201811406066 A CN201811406066 A CN 201811406066A CN 109343623 A CN109343623 A CN 109343623A
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- even wind
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 239000003546 flue gas Substances 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000007791 dehumidification Methods 0.000 claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- 239000000779 smoke Substances 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 230000008676 import Effects 0.000 claims abstract description 4
- 210000000481 breast Anatomy 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000013524 data verification Methods 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims description 3
- 230000001932 seasonal effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 6
- 235000019504 cigarettes Nutrition 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 101100248240 Arabidopsis thaliana RH35 gene Proteins 0.000 description 1
- 101100301835 Arabidopsis thaliana RH45 gene Proteins 0.000 description 1
- 101100033939 Arabidopsis thaliana RH55 gene Proteins 0.000 description 1
- 208000033748 Device issues Diseases 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
-
- 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
- B01D53/26—Drying gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ventilation (AREA)
Abstract
White intelligent control method is taken off for flue gas the present invention relates to a kind of, its intelligence control system includes the even wind system being linked in sequence by pipeline, dehumidification system, secondary even wind system, secondary dehumidification system, frequency conversion fan and chimney, and tunnel gas enters from even wind system import.Intelligent controlling device collects flue-gas temperature humidity, chimney position atmospheric temperature humidity, flue wind speed and pressure and flow using sensor signal, intelligent object is by the calculated result of program, even wind system control device and frequency conversion fan control device are sent in a manner of instruction, start even wind blower and carry out demisting operation, starting frequency conversion fan carries out exhausting smoke discharging.It is of the invention take off white intelligent control method for flue gas and have information collection reception, data are set, program calculates, adjust automatically, the collaboration processing technique for assigning instruction, so that flue gas is taken off white system and reach the continuous automatic intelligent operation that moves in circles, can effectively administer flue gas take off it is white.
Description
Technical field
The invention belongs to be used for the cleaning equipment of flue gas smoke stack emission in industrialized production, being related to will be contained by chimney breast
Vapor supersaturation and cold condensate mist carry out the control system of purification treatment, in particular to a kind of to be used for intelligence control system
Purified treatment carries out flue gas and takes off white intelligent control method.
Background technique
As the resolution of state treatment haze is increasing, promote a conservation culture with beauty China, matter of improving the ecological environment
Amount, by country as the important measure for promoting Green Competitiveness.Chimney emits the problem of white cigarette, has become numerous industrialization
The a great problem of manufacturing enterprise's flue gas emission.Chimney emits the saturation wet flue gas that the problem of white cigarette is chimney breast and temperature is lower
When surrounding air contacts, during smoke temperature drop, institute's containing water vapor supersaturation condenses in flue gas, and the water droplet of condensation produces light
Raw refraction, scattering are called " plume " (being commonly called as " white cigarette ") so that plume be made to show white or grey.Due in flue gas
Containing water vapor ingredient, saturation degree and the synthesis ratio of condensation knot are considerably complicated, especially power plant, chemical industry fertilizer industry, steel smelting
Golden industry is all the maximum pollution sources generation ground that chimney emits white cigarette.Main is water pollution, especially the white cigarette of steam symbiosis
It is most difficult to administer, and current flue gas takes off white collar domain urgent problem to be solved.
For iron and steel metallurgical industry, this flue gas mainly from smoke stack emission system, be relevant enterprise technical staff all
Putting forth effort to solve the problems, such as.Currently, the conventional methods for solving this problem are by cooling to reduce flue-gas temperature or process
Heating reaches raising flue-gas temperature, to carry out that taking off for chimney smoke is white, and specific way has following several:
It is falling temperature method first, by the cold air of cooling coil release or with the method directly sprayed water to reduce flue-gas temperature, makes
It obtains 100 DEG C or so of flue gas and is down to 25 DEG C or so, a part of water is first precipitated in temperature-fall period, reduce flue gas containing wet to reach
Degree, then can reach in discharge subtract it is white or without white purpose.
Followed by heating method directly increases flue-gas temperature using the hot gas of high-temperature heat-exchanging conduction or using high-temp waste gas,
So that 50 DEG C or so of flue gas rises to 100 DEG C or so, reaching in temperature-rise period reduces flue gas moisture content, also makes heating flue gas fast
Fast ascension, just can reach in discharge subtract it is white or without white purpose.
Since exhaust gas volumn generated in industrialized production is all huge, small then tens of thousands of exhaust gas volumns per hour, greatly then
Hundreds of thousands, millions of exhaust gas volumns are administered flue gas using the above method and take off white, and that there is construction investments is high, operation energy consumption is big；Compel
Increase entreprise cost, benefit reduces, and the living environment of enterprise deteriorates, it is difficult to bear.
It is dedicated to researching and developing and a kind of takes off white intelligent control side for flue gas in view of this, flue gas takes off white collar domain scientific research personnel
Method, to improve the Traditional solutions that chimney emits white cigarette.
Summary of the invention
The task of the present invention is provide it is a kind of white intelligent control method is taken off for flue gas, use intellectualized module to control
Take off white system automation set, work compound, and by intellectualized module by receiving live real time information, by modular program meter
The collaboration processing technique of calculating, set, assigning instruction makes even wind system, dehumidification system, blower exhaust system submit to intelligent control
System participates in even wind operation, removes wet construction and blower air draft operation, can effectively administer flue gas and take off white, solve the above-mentioned prior art
The problems of.
Technical solution of the invention is as follows:
A kind of to take off white intelligent control method for flue gas, setting takes off white intelligence control system, the intelligence control for flue gas
System processed includes the even wind system being linked in sequence by pipeline, dehumidification system, secondary even wind system, secondary dehumidification system and change
Frequency blower, tunnel gas enter from even wind system import, the even wind system, dehumidification system, secondary even wind system, secondary dehumidifying
System, frequency conversion fan are respectively by connection intelligent controlling device, in the tail portion of secondary dehumidification system and the connection of frequency conversion fan
Place's installation chimney；
The intelligent controlling device collects flue-gas temperature, humidity using sensor signal；
The intelligent controlling device collects chimney position atmospheric temperature, humidity using sensor signal；
The intelligent controlling device utilizes sensor signal collecting flue wind speed, wind pressure and flow；
The intelligent controlling device is set item by item using the calculation formula that the data got give with intelligent object is collected
Not and program calculate, intelligent object by program it is calculated as a result, be sent in a manner of instruction even wind system control device with
Frequency conversion fan control device；
The instruction that the even wind system control device is issued according to intelligent object, starts even wind blower, according to given power to
Even bellows convey outside air, promote flue gas sufficiently uniform with outside air, and uniform flue gas is supplied to dehumidifier to carry out demisting
Operation；
The instruction that the frequency conversion fan control device is issued according to intelligent object starts frequency conversion fan, according to given blower stream
Amount, flow velocity and wind pressure carry out exhausting smoke discharging；
When seasonal temperature, humidity variation and flue-gas temperature, humidity variation, intelligent object will be according to real-time conditions and practical feelings
Condition decides whether to start secondary even wind system, the progress operation of secondary dehumidification system.
It is described to take off white intelligent control process for flue gas are as follows: cigarette in the flue that intelligent controlling device is passed back by sensor
The signal of temperature degree, humidity and chimney position atmospheric temperature, humidity is converted into readable data, then data are surveyed
It calculates, calculates the temperature of chimney breast dew point, job instruction is assigned to even wind system according to dew-point temperature, is assigned to smoke exhaust fan
Working strength instruction；By wind speed set in chimney, temperature and moisture sensors, passes signal back intelligent controlling device and carry out
Data verification, and constantly receive, convert, calculate and assign instruction, it is ensured that intelligence control system moves in circles work incessantly
Make.
By it is of the invention it is a kind of white intelligent control method is taken off for flue gas, for the containing water vapor supersaturation of chimney breast institute
The control system that purification treatment is carried out with cold condensate mist uses intellectualized module to control and take off white system automation and set, assist
Same operation, and believed in real time by intellectualized module by receiving the flue gas of field external real time environment information and pipeline built-in system
Breath, including even wind system, dehumidification system, the effective information of all kinds of (temperature, humidity, flow velocity, pressure difference etc.) sensors, by module
Program calculates, sets, assigning the collaboration processing technique of instruction, and even wind system, dehumidification system, blower exhaust system is made to submit to intelligence
It can control system and participate in even wind operation, except wet construction and blower air draft operation.
The operating environment severe for climatic environment and operating condition can add the even wind system of second level and dehumidification system, it is ensured that intelligence
The job instruction that the system of can control is assigned is in the controlled management of intelligence control system always.
It is of the invention take off white intelligent control method for flue gas and have information collection reception, data are set, program calculates,
Adjust automatically, the collaboration processing technique for assigning instruction, so that so that flue gas is taken off white system reaches the continuous automation intelligence that moves in circles
It can operation.
Intelligent control method of the invention has the high temperature that not only can apply to south, the north, but also can apply to summer, winter
Poor operation, and equipment has automated job, durable, Reusability function.Taking off white system through flue gas, treated
Flue gas can achieve ultra-clean discharge, for flue gas take off it is white provide new option, have great application value.
Detailed description of the invention
Fig. 1 is a kind of signal that white intelligence control system is taken off for flue gas being arranged by intelligent control method of the invention
Figure, wherein even wind system and frequency conversion fan need to receive the instruction that intelligent controlling device is assigned.
Appended drawing reference:
1 is tunnel gas, and 2 be even wind system, and 3 be dehumidification system, and 4 be secondary even wind system, and 5 be secondary dehumidification system, and 6 be change
Frequency blower, 7 be chimney, and 8 be intelligent controlling device.
Specific embodiment
It elaborates with reference to the accompanying drawings and examples to the present invention.
Referring to Fig. 1, the present invention provide it is a kind of take off white intelligent control method for flue gas, setting takes off white intelligence for flue gas
It can control system, the intelligence control system is mainly by even wind system 2, dehumidification system 3, secondary even wind system 4, secondary dehumidification system
5 and frequency conversion fan 6 form, even wind system 2, dehumidification system 3, secondary even wind system 4, secondary dehumidification system 5 and frequency conversion fan 6
It is connected sequentially through pipeline.
Tunnel gas 1 enters from even 2 import of wind system, and even wind system 2, secondary even wind system 4, secondary removes dehumidification system 3
Wet system 5, frequency conversion fan 6 are respectively by connection intelligent controlling device 8, in tail portion and the frequency conversion fan 6 of secondary dehumidification system 5
Junction install chimney 7.
Intelligent controlling device 8 collects flue-gas temperature, humidity using sensor signal.Intelligent controlling device 8 utilizes sensor
Signal collection chimney position atmospheric temperature, humidity.Intelligent controlling device 8 utilizes sensor signal collecting flue wind speed, wind
Pressure and flow.
Intelligent controlling device 8 is set item by item using the calculation formula that the data got give with intelligent object is collected
Not and program calculate, intelligent object by program it is calculated as a result, be sent in a manner of instruction even 2 control device of wind system with
6 control device of frequency conversion fan.
The instruction that even 2 control device of wind system is issued according to intelligent object, starts even wind blower, according to given power to
Even bellows convey outside air, promote flue gas sufficiently uniform with outside air, and uniform flue gas is supplied to dehumidifier to carry out demisting
Operation.
The instruction that 6 control device of frequency conversion fan is issued according to intelligent object starts frequency conversion fan, according to given blower stream
Amount, flow velocity and wind pressure carry out exhausting smoke discharging.
When seasonal temperature, humidity variation and flue-gas temperature, humidity variation, intelligent object will be according to real-time conditions and reality
Border situation decides whether to start secondary even wind system 4, the progress operation of secondary dehumidification system 5.
Intelligent controlling device 8 has information collection reception, data are set, program calculates, adjust automatically, assigns the function such as instruction
Can, intelligent object is with the collaboration to move in circles and processing technique, it is ensured that flue gas takes off white intelligence control system and operates normally.
Of the invention takes off white intelligent control process for flue gas are as follows: the flue that intelligent controlling device is passed back by sensor
The signal of interior flue-gas temperature, humidity and chimney position atmospheric temperature, humidity is converted into readable data, then data are carried out
Measuring and calculating, calculates the temperature of chimney breast dew point, assigns job instruction, under smoke exhaust fan to even wind system according to dew-point temperature
It is instructed up to working strength；By wind speed set in chimney, temperature and moisture sensors, by signal pass back intelligent controlling device into
Row data verification, and constantly receive, convert, calculate and assign instruction, it is ensured that intelligence control system moves in circles incessantly
Work.
Below with 10000m3/ h air quantity carries out simulated operation to intelligence control system of the invention:
The chimney intake temperature that intelligent controlling device receives is 30 DEG C, humidity RH45%, calculates correspondence automatically by system
Saturation vapour pressure value be 31.82, the dew-point temperature obtained be 14.31 DEG C.
The atmospheric temperature of chimney position that intelligent controlling device receives outlet is 25 DEG C, humidity RH35%, is passed through
It is 23.76 that system calculates corresponding saturation vapour pressure value automatically, and the dew-point temperature obtained is 8.31 DEG C.
Exported according to chimney position 25 DEG C of atmospheric temperature of intelligent controlling device subtract 8.31 DEG C of dew-point temperature and obtain
The minimum temperature of flue gas emission must not be lower than 16.69 DEG C；Then, dew-point temperature 14.31 is subtracted according to 30 DEG C of chimney intake temperature
DEG C show that the minimum temperature of flue gas conveying must not be lower than 15.69 DEG C, it is defeated that the admitted value of default is that exhaust temperature necessarily is greater than
Temperature is sent, the magnitude of current for giving variable-frequency motor at this time is 20A, that is, does not need even wind system and dehumidification system participation work.
Conversely, when the atmospheric temperature of chimney position outlet is down to 10 DEG C, humidity RH55%, corresponding saturation vapour
Pressure value is 9.21, subtracts 5.06 DEG C of dew-point temperature and show that the minimum temperature of flue gas emission must not be lower than 4.94 DEG C；Then, it is assumed that cigarette
30 DEG C of road inlet temperature constant to subtract 14.31 DEG C of dew-point temperature 15.69 DEG C of temperature for obtaining flue gas conveying, the approval of default
Value is that exhaust temperature necessarily is greater than delivery temperature, and even wind system and dehumidification system need to participate in work at this time, at the same by temperature and
Humidity overall reduction, intelligent controlling device issue dynamic instruction, and the magnitude of current for giving variable-frequency motor is 30A-35A, pass through even wind
System increases low temperature air quantity and dehumidification system reduces smoke moisture, until meeting the admitted value of default is that exhaust temperature is necessary
Higher than delivery temperature, so as to circulate back and forth work.
In conclusion taking off white intelligent control method for flue gas using of the invention, controlled by intellectualized module de-
White system automation sets, work compound, and by intellectualized module by receiving live real time information, by modular program meter
The collaboration processing technique of calculating, set, assigning instruction makes even wind system, dehumidification system, blower exhaust system submit to intelligent control
System participates in even wind operation, removes wet construction and blower air draft operation, can effectively administer flue gas take off it is white.
Certainly, those skilled in the art in the art are it should be appreciated that above-described embodiment is intended merely to illustrate this hair
It is bright, and be not used as limitation of the invention, if in spirit of the invention, to the variation of above-described embodiment,
Modification etc. will all be fallen within the scope of the claims.
Claims (2)
1. a kind of take off white intelligent control method for flue gas, it is characterised in that: setting takes off white intelligent control system for flue gas
System, the intelligence control system includes the even wind system (2) being linked in sequence by pipeline, dehumidification system (3), secondary even wind system
It unites (4), secondary dehumidification system (5) and frequency conversion fan (6), tunnel gas (1) enter from (2) import of even wind system, the even wind
System (2), dehumidification system (3), secondary even wind system (4), secondary dehumidification system (5), frequency conversion fan (6) are respectively by connection
Intelligent controlling device (8) installs chimney (7) in the tail portion of secondary dehumidification system (5) and the junction of frequency conversion fan (6)；
The intelligent controlling device (8) collects flue-gas temperature, humidity using sensor signal；
The intelligent controlling device (8) collects chimney position atmospheric temperature, humidity using sensor signal；
The intelligent controlling device (8) utilizes sensor signal collecting flue wind speed, wind pressure and flow；
The calculation formula that the data and intelligent object that the intelligent controlling device (8) is got using collection give carries out item by item
It sets and is calculated with program, intelligent object is calculated as a result, being sent to even wind system (2) control dress in a manner of instruction by program
It sets and frequency conversion fan (6) control device；
The instruction that even wind system (2) control device is issued according to intelligent object, starts even wind blower, according to given power
Outside air is conveyed to even bellows, promotes flue gas sufficiently uniform with outside air, uniform flue gas is supplied to dehumidifier to be removed
Mist operation；
The instruction that frequency conversion fan (6) control device is issued according to intelligent object starts frequency conversion fan, according to given blower
Flow, flow velocity and wind pressure carry out exhausting smoke discharging；
When seasonal temperature, humidity variation and flue-gas temperature, humidity variation, intelligent object will be according to real-time conditions and practical feelings
Condition decides whether to start secondary even wind system (4), secondary dehumidification system (5) progress operation.
2. according to claim 1 take off white intelligent control method for flue gas, it is characterised in that: described de- for flue gas
White intelligent control process are as follows: flue-gas temperature, humidity and chimney position in the flue that intelligent controlling device is passed back by sensor
Atmospheric temperature, humidity signal be converted into readable data, then data are calculated, calculate chimney breast dew point
Temperature assigns job instruction to even wind system according to dew-point temperature, assigns working strength instruction to smoke exhaust fan；By in chimney
Set wind speed, temperature and moisture sensors pass signal back intelligent controlling device and carry out data verification, and constantly receive,
Convert, calculate and assign instruction, it is ensured that intelligence control system moves in circles work incessantly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811406066.5A CN109343623A (en) | 2018-11-23 | 2018-11-23 | White intelligent control method is taken off for flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811406066.5A CN109343623A (en) | 2018-11-23 | 2018-11-23 | White intelligent control method is taken off for flue gas |
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| Publication Number | Publication Date |
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| CN109343623A true CN109343623A (en) | 2019-02-15 |
Family
ID=65317238
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| CN201811406066.5A Pending CN109343623A (en) | 2018-11-23 | 2018-11-23 | White intelligent control method is taken off for flue gas |
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Cited By (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388652A (en) * | 2019-07-16 | 2019-10-29 | 河南迪诺环保科技股份有限公司 | It is a kind of improve heat utilization rate flue gas take off white device |
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Application publication date: 20190215 |