CN110038389A - A kind of processing equipment and processing method of harmful exhaust - Google Patents
A kind of processing equipment and processing method of harmful exhaust Download PDFInfo
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Abstract
The invention belongs to technical field of waste gas treatment, the processing equipment and processing method of a kind of harmful exhaust are disclosed, the processing equipment of harmful exhaust includes exhaust gas constituents detection system, Measurement System of Air Pressure, exhaust gas flow detection system, master control system, gas gathering system, dynamical system, purification system, exhaust system, display system.The present invention facilitates to solve the very big demand of the currently dynamic detecting equipment to Industry Waste wind-force amount detection architecture and air environmental pollution prevention and control by exhaust gas flow detection system, provides another monitoring means for current control atmosphere pollution；Meanwhile acid waste gas and organic exhaust gas, good purification can be removed by purification system simultaneously；First exhaust gas is heated before exhaust gas enters exhaust gas washing tower, is conducive to the reaction activity for increasing emission molecule, is reacted to promote exhaust gas with absorption treatment fluid, is kept the absorption of exhaust gas more thorough, improve clean-up effect.
Description
Technical field
The invention belongs to technical field of waste gas treatment more particularly to the processing equipments and processing method of a kind of harmful exhaust.
Background technique
Exhaust gas refers to the poisonous and hazardous gas that the mankind are discharged in production and life process.Especially chemical plant, steel
The generation of factory, pharmaceutical factory and coking plant and oil plant etc. and the brought life exhaust gas of human lives, the exhaust gas smell of discharge
Greatly, it seriously pollutes environment and influences human health.Many containing pollutant kind in exhaust gas, physics and chemical property are very multiple
Miscellaneous, toxicity is also not quite similar.Contain sulfur dioxide, nitrogen oxides (NOx), hydrocarbon in the exhaust gas of fuel combustion discharge
Deng；Because industrial production is raw materials used different with technique, and a variety of different pernicious gases and solid waste are discharged, contains various groups
Divide such as heavy metal, salt, radioactive substance；The tail gas of motor vehicle emission contains the hydrocarbons such as lead, benzene and phenol.Industry Waste gas bag
Include organic exhaust gas and inorganic waste gases.Organic exhaust gas mainly includes various hydro carbons, alcohols, aldehydes, acids, ketone and amine etc.；Nothing
Machine exhaust gas mainly includes oxysulfide, nitrogen oxides, oxycarbide, halogen and its compound etc..However, existing exhaust-gas treatment mistake
Cheng Zhong, big to the detection device power consumption of exhaust gas flow, measurement accuracy is relatively low, and rangeability is narrow；Meanwhile existing removal organic exhaust gas
Research it is very much, but organic exhaust gas can be removed simultaneously and the purification method of acid waste gas is less.
In conclusion problem of the existing technology is:
Big to the detection device power consumption of exhaust gas flow in existing waste gas treatment process, measurement accuracy is relatively low, rangeability
It is narrow；Meanwhile there are many research of existing removal organic exhaust gas, but the purification side of organic exhaust gas and acid waste gas can be removed simultaneously
Method is less.
The detection accuracy of existing harmful exhaust is not high, while speed is slow；A variety of pernicious gases can not be detected.It is existing
Accurate Prediction is unable to for exhaust gas temperature and humidity relationship in technology, causes exhaust-gas treatment effect undesirable.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of processing equipment of harmful exhaust and processing methods.
The invention is realized in this way a kind of harmful exhaust processing method, the harmful exhaust processing method include:
Exhaust gas constituents data are discharged using the gas detection equipment detection industrial production based on laser absorption spectrum；Utilize gas
Pressure sensor detects barometric information in waste gas treatment process；Utilize the data on flows of exhaust gas flow detector detection exhaust gas；
Exhaust gas is collected using gas gathering mask；
Power operation is provided using ventilation blower for the exhaust gas flowing in waste gas treatment process；
Exhaust gas is heated using cleaning equipment, adsorbs, condense, catalyzed conversion, burning, hot plasma processing；It is useless
Gas passes through heating device, is heated；Heated pretreated exhaust gas enters exhaust gas washing tower under air-introduced machine effect,
It moves from bottom to top；Waste gas absorption treatment fluid is transported in spray system by exhaust gas washing tower liquid storing part by circulating line simultaneously
Spray comes out, and moves from top to bottom；The position counter current contacting of exhaust gas and waste gas absorption treatment fluid in packing layer, waste gas absorption processing
Liquid reacts with acid ingredient in exhaust gas, and liquid falls back to liquid storing part later, stirs evenly, and carries out recycling or further
Recovery processing；Remove gas discharge at the top of the exhaust gas washing tower of acid ingredient；Remove the exhaust gas of acid ingredient successively
By gas drier, gas temperature control apparatus, using the data processing module of cleaning equipment to exhaust gas data of the Temperature and Humidity module
Parameter is analyzed by the method for numerical value calculating, iteration verification, linear fit and statistics, has shown that temperature, relative humidity exist
Situation of change under different situations carries out completion to the data of missing, generates the continuous data under different situations；
It controls in exhaust treatment system and adsorbs intake valve, adsorption outlet valve in opened condition, control desorption intake valve, desorption
Air outlet valve is in closed state, and exhaust gas washing tower, activated carbon adsorber, air-introduced machine, gas discharge section is kept to constitute access；Institute later
It states exhaust gas and enters activated carbon adsorber and purified on activated carbon adsorption layer；After activated carbon adsorption layer adsorption saturation, control
It is in closed state that intake valve, adsorption outlet valve are adsorbed in exhaust treatment system, desorption intake valve, desorption air outlet valve are in open shape
State keeps activated carbon adsorber, catalytic combustion system, desorption blower to constitute close access；The electricity of starting catalytic combustion system adds
Thermal heats air, and hot-air is redirected back into heating of Activated charcoal adsorption layer, organic pollutant in the activated carbon adsorber
It is detached from activated carbon adsorption layer and forms high-concentration organic waste gas；High-concentration organic waste gas in the case where fan action is desorbed, into
Enter catalytic combustion system；By catalyst layer after the heating of the electric heater unit of catalytic combustion system, in high-concentration organic waste gas
Organic pollutant be catalyzed burning；The high temperature hot gas or entered after the cooling of overfill low temperature valve by pipeline that catalysis burning generates
Activated carbon adsorber recycles；Or it is discharged by pipeline by gas discharge section；
The gas generated after exhaust-gas treatment is discharged using exhaust chimney.
Further, the harmful exhaust processing method further comprises: showing exhaust gas constituents, exhaust-gas treatment using display
The air pressure of process, exhaust gas flow data.
Further, the exhaust gas flow detection system detection method includes:
1) exhaust gas flow detector is installed in plant gas discharge outlet to be measured；
2) obtain parameter to be detected: the parameter to be detected includes the gas concentration parameters discharged in chimney channel and gives up
The system parameter of air-flow amount detector, the system parameter of the exhaust gas flow detector include the electricity of the exhaust gas flow detector
Press and convert wind energy into the transfer efficiency of electric energy；
Gas flow is calculated by formula (2) and formula (1) according to the parameter to be detected of acquisition:
Wherein:
P is the power of exhaust gas flow detector, is obtained according to formula (2):
P=U2/ R formula (2),
U is collected exhaust gas flow detector voltage, and R is the load of exhaust gas flow detector；Electricity is converted to for wind energy
The transfer efficiency of energy；It is gas concentration；R is the impeller radius of exhaust gas flow detector；
By being integrated at any time to the instantaneous parameter to be detected measured, the stream of continuous updating discharge gas
Amount.
Further, exhaust gas heated using cleaning equipment, adsorbed, being condensed, catalyzed conversion, burning, hot plasma
In processing,
The exhaust gas for removing acid ingredient passes sequentially through gas drier, gas temperature control apparatus, controls waste gas humidity
Less than 5%, exhaust gas temperature is at 35 DEG C；The operating temperature of active carbon is maintained at 35 DEG C；
In the electric heater unit for starting catalytic combustion system, air is heated to 140 DEG C；Electricity through catalytic combustion system adds
Thermal passes through catalyst layer after being warmed to 260 DEG C；
The high temperature hot gas or pass through pipeline that catalysis burning generates, after overfill low temperature valve is cooled to 130 DEG C, into active carbon
Adsorption tower recycles；Or it is discharged by pipeline by gas discharge section.
Further, the function expression varied with temperature for relative humidity is following form:
RH=a*eb*T+c*ed*T。
Further, coefficient a, b, c, d are determined based on the thought that least square method fits, and are asked using matlab existing program
Result is obtained to be shown below:
RH=42.8 × e0.00154×T+24.36×e0.04189×T；
The related coefficient of fitting function is 0.9821.
Further, relative humidity is asked by the relational expression between temperature T and relative humidity RH:
RH=42.8 × e0.00154×T+24.36×e0.04189×T。
Further, by temperature T, dew-point temperature Td, relationship between relative humidity RH three seek dew-point temperature:
By temperature T, dew-point temperature Td, dew-point temperature difference TbRelationship between three carrys out completion AFR control:
Tb=T-Td；
H: height；Pa: atmospheric pressure；T: the temperature of respective heights；TD: the dew-point temperature of respective heights；Tb: temperature dew point
The difference of difference, temperature and dew-point temperature；RH: relative humidity.
Another object of the present invention is to provide a kind of harmful exhausts of the processing method of harmful exhaust described in implementation
The processing equipment of processing equipment, the harmful exhaust includes:
Exhaust gas constituents detection system, connect with master control system, for detecting industrial production discharge by gas detection equipment
Exhaust gas constituents data；
Measurement System of Air Pressure is connect with master control system, for detecting air pressure in waste gas treatment process by baroceptor
Data；
Exhaust gas flow detection system, connect with master control system, for detecting the flow of exhaust gas by exhaust gas flow detector
Data；
Master control system, with exhaust gas constituents detection system, Measurement System of Air Pressure, exhaust gas flow detection system, gas gathering system, dynamic
Force system, purification system, exhaust system, display system connection, for controlling each system worked well by single-chip microcontroller；
Gas gathering system is connect with master control system, for collecting exhaust gas operation by gas gathering mask；
Dynamical system is connect with master control system, for being provided by ventilation blower for the exhaust gas flowing in waste gas treatment process
Power operation；
Purification system is connect with master control system, for being adsorbed, being condensed to exhaust gas by cleaning equipment, catalyzed conversion,
Burning purified treatment；
Exhaust system is connect with master control system, for being arranged the gas generated after exhaust-gas treatment by exhaust chimney
Out.
Further, the processing equipment of the harmful exhaust further comprises:
Display system is connect with master control system, for showing the gas of exhaust gas constituents, waste gas treatment process by display
Pressure, exhaust gas flow data.
Advantages of the present invention and good effect are as follows:
The present invention by exhaust gas flow detection system can achieve real-time high-precision monitor industrial waste gas flow effect and
It is easy for installation；Secondly, being stored and being supplied to the other component of complete equipment for exhaust gas flow detector institute generated energy, save
The energy realizes the conversion and utilization of exhaust energy, has saved the energy；Again, solution is additionally aided currently to Industry Waste wind-force
The very big demand for measuring the dynamic detecting equipment of detection architecture and air environmental pollution prevention and control, provides separately for current control atmosphere pollution
A kind of outer monitoring means；Meanwhile acid waste gas and organic exhaust gas, good purification can be removed by purification system simultaneously；Useless
Gas first heats exhaust gas before entering exhaust gas washing tower, is conducive to the reaction activity for increasing emission molecule, to promote
It is reacted into exhaust gas with treatment fluid is absorbed, keeps the absorption of exhaust gas more thorough, improve clean-up effect.Exhaust gas is increased simultaneously
The ascending motion of air-flow saves energy consumption to mitigate the work load of air-introduced machine；Using scrubbing tower, scrubbing tower make exhaust gas and
The contact of waste gas absorption treatment fluid is more abundant, improves that absorption efficiency is higher, keeps assimilation effect more prominent；Entering active carbon
Before adsorption tower, the processing of dry and temperature control is first passed through；It is first passed through after into activated carbon adsorber except wet layer does dehumidification treatments, and controlled
The operating temperature of active carbon is stablized at 35 DEG C, makes exhaust gas keep dry and operating ambient temperature control at 35 DEG C, to improve work
Property charcoal absorption exhaust gas in organic principle effect, improve the effect of waste gas purification.
The present invention carries out preliminary treatment to the exhaust gas after heating using plasma producing apparatus, and heat plasma temperature exists
Within the scope of 500~5000K, it is capable of providing energy concentration, the very high reaction environment of temperature, chemical reaction can be increased substantially
Rate removes the pollutant in gas.
The wasted nickel catalyst method for the laser absorption spectrum that the present invention uses has high sensitivity, response quickly and versatility
Strong feature can be realized the detection to a variety of type exhaust gas.
The present invention obtains relative humidity with temperature degree variation relation, and finds out the approximate expression of relative humidity and height.
It show that relative humidity is related to height, temperature, dew-point deficit and dew-point temperature by data with existing analysis, obtains between them
Correlation.It is obtained by known temperature dew-point spread and formula, it can be deduced that the actual value of some relative humidity.With fitting relative humidity
It is compared with existing relative humidity, selects optimal fitting scheme.
Detailed description of the invention
Fig. 1 is the processing equipment structural block diagram of harmful exhaust provided in an embodiment of the present invention.
Fig. 2 is the processing method flow chart of harmful exhaust provided in an embodiment of the present invention.
In figure: 1, exhaust gas constituents detection system；2, Measurement System of Air Pressure；3, exhaust gas flow detection system；4, master control system；
5, gas gathering system；6, dynamical system；7, purification system；8, exhaust system；9, display system.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing
Detailed description includes.
Big to the detection device power consumption of exhaust gas flow in existing waste gas treatment process, measurement accuracy is relatively low, rangeability
It is narrow；Meanwhile there are many research of existing removal organic exhaust gas, but the purification side of organic exhaust gas and acid waste gas can be removed simultaneously
Method is less.The detection accuracy of existing harmful exhaust is not high, while speed is slow；A variety of pernicious gases can not be detected.
To solve the above problems, being explained in detail with reference to the accompanying drawing to structure of the invention.
As shown in Figure 1, the processing equipment of harmful exhaust provided in an embodiment of the present invention include: exhaust gas constituents detection system 1,
Measurement System of Air Pressure 2, exhaust gas flow detection system 3, master control system 4, gas gathering system 5, dynamical system 6, purification system 7, exhaust
System 8, display system 9.
Exhaust gas constituents detection system 1 is connect with master control system 4, for detecting industrial production row by gas detection equipment
Exhaust gas constituents data out；
Measurement System of Air Pressure 2 is connect with master control system 4, for detecting gas in waste gas treatment process by baroceptor
Press data；
Exhaust gas flow detection system 3 is connect with master control system 4, for detecting the stream of exhaust gas by exhaust gas flow detector
Measure data；
Master control system 4, with exhaust gas constituents detection system 1, Measurement System of Air Pressure 2, exhaust gas flow detection system 3, gas collection system
System 5, dynamical system 6, purification system 7, exhaust system 8, display system 9 connect, for controlling each system just by single-chip microcontroller
Often work；
Gas gathering system 5 is connect with master control system 4, for collecting exhaust gas operation by gas gathering mask；
Dynamical system 6 is connect with master control system 4, for being that the exhaust gas flowing in waste gas treatment process is mentioned by ventilation blower
For power operation；
Purification system 7 is connect with master control system 4, is turned for being adsorbed, being condensed to exhaust gas by cleaning equipment, be catalyzed
The purified treatments such as change, burning；
Exhaust system 8 is connect with master control system 4, for being carried out the gas generated after exhaust-gas treatment by exhaust chimney
Discharge；
Display system 9 is connect with master control system 4, for showing the gas of exhaust gas constituents, waste gas treatment process by display
Pressure, exhaust gas flow data.
3 detection method of exhaust gas flow detection system provided by the invention includes:
1) exhaust gas flow detector is installed in plant gas discharge outlet to be measured.
2) obtain parameter to be detected: the parameter to be detected includes the gas concentration parameters discharged in chimney channel and gives up
The system parameter of air-flow amount detector, the system parameter of the exhaust gas flow detector include the electricity of the exhaust gas flow detector
Press and convert wind energy into the transfer efficiency of electric energy；
Gas flow is calculated by formula (2) and formula (1) according to the parameter to be detected of acquisition:
Wherein:
P is the power of exhaust gas flow detector, is obtained according to formula (2):
P=U2/ R formula (2),
U is collected exhaust gas flow detector voltage, and R is the load of exhaust gas flow detector；Electricity is converted to for wind energy
The transfer efficiency of energy；It is gas concentration；R is the impeller radius of exhaust gas flow detector；
Regardless of the size of gas flow when discharge, by being accumulated at any time to the instantaneous parameter to be detected measured
Point, the flow of continuous updating discharge gas.
7 purification method of purification system provided by the invention includes:
(1) exhaust gas passes through heating device, is heated；
(2) heated pretreated exhaust gas enters exhaust gas washing tower under air-introduced machine effect, moves from bottom to top；Simultaneously
Waste gas absorption treatment fluid is transported to spray in spray system by circulating line by exhaust gas washing tower liquid storing part and comes out, from top to bottom
Movement；Exhaust gas and waste gas absorption treatment fluid packing layer position counter current contacting, in waste gas absorption treatment fluid and exhaust gas acidity at
Point react, liquid falls back to liquid storing part later, stirs evenly, be recycled or further recovery processing；It removes
Go the discharge at the top of the exhaust gas washing tower of the gas of acid ingredient；
(3) exhaust gas for removing acid ingredient passes sequentially through gas drier, gas temperature control apparatus, and control exhaust gas is wet
Degree is less than 5%, and exhaust gas temperature is at 35 DEG C；It controls in exhaust treatment system and adsorbs intake valve, adsorption outlet valve in opened condition, control
System desorption intake valve, desorption air outlet valve are in closed state, keep exhaust gas washing tower, activated carbon adsorber, air-introduced machine, gas discharge
Portion constitutes access；The exhaust gas enters activated carbon adsorber and is purified on activated carbon adsorption layer later, the work of active carbon
Temperature is maintained at 35 DEG C；
(4) it after activated carbon adsorption layer adsorption saturation, controls and adsorbs intake valve in exhaust treatment system, adsorption outlet valve is in
Closed state, desorption intake valve, desorption air outlet valve in opened condition, keep activated carbon adsorber, catalytic combustion system, desorption wind
Mechanism is at close access；The electric heater unit for starting catalytic combustion system, is heated to 140 DEG C for air, hot-air is redirected back into
Heating of Activated charcoal adsorption layer in the activated carbon adsorber, organic pollutant are detached from activated carbon adsorption layer and are formed highly concentrated
Spend organic exhaust gas；The high-concentration organic waste gas is in the case where being desorbed fan action, into catalytic combustion system；Through catalytic combustion system
Electric heater unit be warmed to 260 DEG C after by catalyst layer, the organic pollutant in high-concentration organic waste gas is catalyzed burning；
(5) exhaust gas after burning is delivered to negative-pressure pipeline, is forced into plasma by a large amount vacuum pump
In device, the electronics moved in plasma producing apparatus accelerates under the action of electric field, with discarding after heat treatment
Inelastic collision occurs, destroys the stability of molecule of waste gases, the molecule in waste gases is ionized, excite and dissociation survives
Property particle, give off energy and electronics, the electronics released be accelerated in the electric field, continue with waste gases in molecule occur
Inelastic collision, then release energy and electronics, ultimately form the small molecules such as carbon dioxide, water；
(6) by small molecules such as the carbon dioxide of formation, water or by pipeline, after overfill low temperature valve is cooled to 130 DEG C, into
Enter activated carbon adsorber to recycle；Or it is discharged by pipeline by gas discharge section.
As shown in Fig. 2, harmful exhaust processing method provided in an embodiment of the present invention specifically includes:
Exhaust gas constituents data are discharged using the gas detection equipment detection industrial production based on laser absorption spectrum in S101；
Utilize barometric information in baroceptor detection waste gas treatment process；Utilize the flow number of exhaust gas flow detector detection exhaust gas
According to；
S102 collects exhaust gas using gas gathering mask；Power is provided using ventilation blower for the exhaust gas flowing in waste gas treatment process
Operation；Exhaust gas is heated using cleaning equipment, adsorbs, condense, catalyzed conversion, burning, hot plasma processing etc. purification
Processing；
The gas generated after exhaust-gas treatment is discharged using exhaust chimney by S103；
S104 shows exhaust gas constituents, the air pressure of waste gas treatment process, exhaust gas flow data using display.
In step S101, laser absorption spectrum detection method provided in an embodiment of the present invention is specifically included:
(1) according to Lambert-Beer absorption law, it is I that laser, which issues intensity,0, frequency be υ one-wavelength laser, pass through
After length is the absorbing medium of L, in the intensity that receiving end measures are as follows:
I (v)=I0(v)exp(-σ(v)cL) (1)
In formula: L is the optical path length of sample cell；σ (υ) is absorption cross-section；C is the concentration for absorbing gas；
(2) it in Wavelength modulation spectroscopy, in order to realize the modulation to optical maser wavelength, needs on semiconductor laser electric current
Being superimposed an angular frequency isSinusoidal modulation signal, as the centre frequency v of lasercIt is by frequencyModulating wave modulation
When, instantaneous frequency can indicate are as follows:
In formula: δvFor modulation amplitude；
(3) intensity after light is absorbed by sample cell can use I (vc) cosine Fourier space indicate:
Each harmonic component AnIt can be measured by lock-in amplifier；It is generally all full for near-infrared molecule absorption
Foot | σ (v) cL | < < 1, then formula (3) can be approximated to be:
In formula:
Therefore, each harmonic component is directly directly proportional to the concentration N of trace gas；In Harmonic Detection technology, base
The target gas based on tunable diode laser absorption spectroscopy has been widely used in it in the second-harmonic detection of lock-in amplifier
During physical examination is surveyed, second harmonic coefficient in this method are as follows:
I2f∝I0σ0cL (5)
From the above equation, we can see that the second harmonic signal amplitude measured is directly proportional to the concentration of gas is absorbed, therefore can be with
Directly according to treated second harmonic signal amplitude come the concentration of inverting under test gas；If the calibrating gas measured is secondary humorous
Wave signal is { xi, the second harmonic signal of under test gas is { yi, i is sampling number, carries out least square fitting, is intended
Equation y=ax+b is closed, then the relationship of under test gas concentration and standard gas concentration are as follows:
Cd=aCs (6)
In formula: Cd、CSThe respectively concentration of under test gas and calibrating gas.
When the invention works, it is arranged firstly, detecting industrial production using gas detection equipment by exhaust gas constituents detection system 1
Exhaust gas constituents data out；Barometric information in waste gas treatment process is detected using baroceptor by Measurement System of Air Pressure 2；Pass through
Exhaust gas flow detection system 3 detects the data on flows of exhaust gas using exhaust gas flow detector；Secondly, master control system 4 passes through gas collection
System 5 is collected exhaust gas using gas gathering mask and is operated；It is flowed by dynamical system 6 using ventilation blower for the exhaust gas in waste gas treatment process
Power operation is provided；Exhaust gas is heated using cleaning equipment by purification system 7, adsorbs, condense, catalyzed conversion, burning,
The purified treatments such as hot plasma processing；Then, the gas that will be generated after exhaust-gas treatment by exhaust system 8 using exhaust chimney
It is discharged；Finally, showing exhaust gas constituents, the air pressure of waste gas treatment process, exhaust gas flow using display by display system 9
Data.
In embodiments of the present invention, number is passed through to exhaust gas data of the Temperature and Humidity module parameter using the data processing module of cleaning equipment
Value calculates, iteration verification, linear fit and statistics method analyzed, obtained temperature, relative humidity under different situations
Situation of change, completion is carried out to the data of missing, generates the continuous data under different situations；
The function expression that benefit varies with temperature relative humidity is following form:
RH=a*eb*T+c*ed*T。
Coefficient a, b, c, d are determined based on the thought that least square method fits, and acquire result using matlab existing program
It is shown below:
RH=42.8 × e0.00154×T+24.36×e0.04189×T；
The related coefficient of fitting function is 0.9821.
Relative humidity is asked by the relational expression between temperature T and relative humidity RH:
RH=42.8 × e0.00154×T+24.36×e0.04189×T。
By temperature T, dew-point temperature Td, relationship between relative humidity RH three seek dew-point temperature:
By temperature T, dew-point temperature Td, dew-point temperature difference TbRelationship between three carrys out completion AFR control:
Tb=T-Td；
H: height；Pa: atmospheric pressure；T: the temperature of respective heights；TD: the dew-point temperature of respective heights；Tb: temperature dew point
The difference of difference, temperature and dew-point temperature；RH: relative humidity.
The above is only the preferred embodiments of the present invention, and is not intended to limit the present invention in any form,
Any simple modification made to the above embodiment according to the technical essence of the invention, equivalent variations and modification, belong to
In the range of technical solution of the present invention.
Claims (10)
1. a kind of harmful exhaust processing method, which is characterized in that the harmful exhaust processing method includes:
Exhaust gas constituents data are discharged using the gas detection equipment detection industrial production based on laser absorption spectrum；Utilize air pressure transmission
Sensor detects barometric information in waste gas treatment process；Utilize the data on flows of exhaust gas flow detector detection exhaust gas；
Exhaust gas is collected using gas gathering mask；
Power operation is provided using ventilation blower for the exhaust gas flowing in waste gas treatment process；
Exhaust gas is heated using cleaning equipment, adsorbs, condense, catalyzed conversion, burning, hot plasma processing；Exhaust gas warp
Heating device is crossed, is heated；Heated pretreated exhaust gas enters exhaust gas washing tower under air-introduced machine effect, under
It moves upwards；Waste gas absorption treatment fluid, which is transported in spray system by exhaust gas washing tower liquid storing part by circulating line, simultaneously sprays
Out, it moves from top to bottom；Exhaust gas and waste gas absorption treatment fluid packing layer position counter current contacting, waste gas absorption treatment fluid with
Acid ingredient reacts in exhaust gas, and liquid falls back to liquid storing part later, stirs evenly, and be recycled or further returns
Receipts processing；Remove gas discharge at the top of the exhaust gas washing tower of acid ingredient；The exhaust gas for removing acid ingredient passes sequentially through
Gas drier, gas temperature control apparatus, using the data processing module of cleaning equipment to exhaust gas data of the Temperature and Humidity module parameter
It is analyzed by the method for numerical value calculating, iteration verification, linear fit and statistics, has obtained temperature, relative humidity in difference
Situation of change under situation carries out completion to the data of missing, generates the continuous data under different situations；
It controls in exhaust treatment system and adsorbs intake valve, adsorption outlet valve in opened condition, control desorption intake valve, desorption outlet
Valve is in closed state, and exhaust gas washing tower, activated carbon adsorber, air-introduced machine, gas discharge section is kept to constitute access；It is described later useless
Gas enters activated carbon adsorber and is purified on activated carbon adsorption layer；After activated carbon adsorption layer adsorption saturation, exhaust gas is controlled
It is in closed state that intake valve, adsorption outlet valve are adsorbed in processing system, desorption intake valve, desorption air outlet valve in opened condition, are protected
It holds activated carbon adsorber, catalytic combustion system, desorption blower and constitutes close access；Start the electric heating dress of catalytic combustion system
It sets, air is heated, hot-air is redirected back into heating of Activated charcoal adsorption layer in the activated carbon adsorber, and organic pollutant is from work
Property charcoal adsorption layer detaches and forms high-concentration organic waste gas；High-concentration organic waste gas is in the case where being desorbed fan action, into urging
Change burner；Pass through catalyst layer, having in high-concentration organic waste gas after the heating of the electric heater unit of catalytic combustion system
The catalysis burning of machine pollutant；The high temperature hot gas or pass through pipeline that catalysis burning generates, after overfill low temperature valve is cooling, into activity
Charcoal adsorption tower recycles；Or it is discharged by pipeline by gas discharge section；
The gas generated after exhaust-gas treatment is discharged using exhaust chimney.
2. the processing method of harmful exhaust as described in claim 1, which is characterized in that the harmful exhaust processing method is into one
Step includes: to show exhaust gas constituents, the air pressure of waste gas treatment process, exhaust gas flow data using display.
3. the processing method of harmful exhaust as described in claim 1, which is characterized in that the exhaust gas flow detection system detection
Method includes:
1) exhaust gas flow detector is installed in plant gas discharge outlet to be measured；
2) obtain parameter to be detected: the parameter to be detected includes the gas concentration parameters discharged in chimney channel and waste gas stream
The system parameter of amount detector, the system parameter of the exhaust gas flow detector include the voltage of the exhaust gas flow detector with
And convert wind energy into the transfer efficiency of electric energy；
Gas flow is calculated by formula (2) and formula (1) according to the parameter to be detected of acquisition:
Wherein:
P is the power of exhaust gas flow detector, is obtained according to formula (2):
P=U2/ R formula (2),
U is collected exhaust gas flow detector voltage, and R is the load of exhaust gas flow detector；Electric energy is converted to for wind energy
Transfer efficiency；It is gas concentration；R is the impeller radius of exhaust gas flow detector；
By being integrated at any time to the instantaneous parameter to be detected measured, the flow of continuous updating discharge gas.
4. the processing method of harmful exhaust as described in claim 1, which is characterized in that added using cleaning equipment to exhaust gas
During heat, absorption, condensation, catalyzed conversion, burning, hot plasma are handled,
The exhaust gas for removing acid ingredient passes sequentially through gas drier, gas temperature control apparatus, and control waste gas humidity is less than
5%, exhaust gas temperature is at 35 DEG C；The operating temperature of active carbon is maintained at 35 DEG C；
In the electric heater unit for starting catalytic combustion system, air is heated to 140 DEG C；Electric heating dress through catalytic combustion system
It sets and passes through catalyst layer after being warmed to 260 DEG C；
The high temperature hot gas or pass through pipeline that catalysis burning generates, after overfill low temperature valve is cooled to 130 DEG C, into activated carbon adsorption
Tower recycles；Or it is discharged by pipeline by gas discharge section.
5. the processing method of harmful exhaust as described in claim 1, which is characterized in that
The function expression varied with temperature for relative humidity is following form:
RH=a*eb*T+c*ed*T。
6. the processing method of harmful exhaust as claimed in claim 5, which is characterized in that the thought fitted based on least square method
It determines coefficient a, b, c, d, acquires result using matlab existing program and be shown below:
RH=42.8 × e0.00154×T+24.36×e0.04189×T；
The related coefficient of fitting function is 0.9821.
7. the processing method of harmful exhaust as described in claim 1, which is characterized in that by between temperature T and relative humidity RH
Relational expression seek relative humidity:
RH=42.8 × e0.00154×T+24.36×e0.04189×T。
8. the processing method of harmful exhaust as claimed in claim 7, which is characterized in that by temperature T, dew-point temperature Td, it is relatively wet
Relationship between degree RH three seeks dew-point temperature:
By temperature T, dew-point temperature Td, dew-point temperature difference TbRelationship between three carrys out completion AFR control:
Tb=T-Td；
H: height；Pa: atmospheric pressure；T: the temperature of respective heights；TD: the dew-point temperature of respective heights；Tb: dew-point deficit, temperature
The difference of degree and dew-point temperature；RH: relative humidity.
9. a kind of processing equipment of the harmful exhaust for the processing method for implementing harmful exhaust described in claim 1, feature exist
In the processing equipment of the harmful exhaust includes:
Exhaust gas constituents detection system, connect with master control system, and exhaust gas is discharged for detecting industrial production by gas detection equipment
Compositional data；
Measurement System of Air Pressure is connect with master control system, for detecting barometric information in waste gas treatment process by baroceptor；
Exhaust gas flow detection system, connect with master control system, for detecting the data on flows of exhaust gas by exhaust gas flow detector；
Master control system, with exhaust gas constituents detection system, Measurement System of Air Pressure, exhaust gas flow detection system, gas gathering system, dynamical system
System, purification system, exhaust system, display system connection, for controlling each system worked well by single-chip microcontroller；
Gas gathering system is connect with master control system, for collecting exhaust gas operation by gas gathering mask；
Dynamical system is connect with master control system, for providing power by ventilation blower for the exhaust gas flowing in waste gas treatment process
Operation；
Purification system is connect with master control system, for being adsorbed, being condensed, catalyzed conversion, burning to exhaust gas by cleaning equipment
Purified treatment；
Exhaust system is connect with master control system, for the gas generated after exhaust-gas treatment to be discharged by exhaust chimney.
10. the processing equipment of harmful exhaust as claimed in claim 9, which is characterized in that the processing equipment of the harmful exhaust
Further comprise:
Display system is connect with master control system, for showing the air pressure, useless of exhaust gas constituents, waste gas treatment process by display
Throughput data.
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| CN112782368A (en) * | 2021-01-04 | 2021-05-11 | 北京市环境保护科学研究院 | Test system and method for industrial organic waste gas collection efficiency evaluation |
| CN113694711A (en) * | 2021-10-28 | 2021-11-26 | 瑞润化工(南通)有限公司 | Method for recycling waste gas in production of soft-touch leather coating |
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