CN105521692B - A kind of industrial discharge VOCs tail gas Site Detection evaluating apparatus and method - Google Patents
A kind of industrial discharge VOCs tail gas Site Detection evaluating apparatus and method Download PDFInfo
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- CN105521692B CN105521692B CN201610036210.5A CN201610036210A CN105521692B CN 105521692 B CN105521692 B CN 105521692B CN 201610036210 A CN201610036210 A CN 201610036210A CN 105521692 B CN105521692 B CN 105521692B
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 70
- 238000001514 detection method Methods 0.000 title claims description 28
- 238000000034 method Methods 0.000 title abstract description 19
- 230000008878 coupling Effects 0.000 claims abstract description 100
- 238000010168 coupling process Methods 0.000 claims abstract description 100
- 238000005859 coupling reaction Methods 0.000 claims abstract description 100
- 238000001179 sorption measurement Methods 0.000 claims abstract description 77
- 238000003795 desorption Methods 0.000 claims abstract description 65
- 238000010521 absorption reaction Methods 0.000 claims abstract description 55
- 238000004458 analytical method Methods 0.000 claims abstract description 31
- 238000007084 catalytic combustion reaction Methods 0.000 claims abstract description 28
- 239000002904 solvent Substances 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- 238000000926 separation method Methods 0.000 claims abstract description 22
- 238000011156 evaluation Methods 0.000 claims abstract description 20
- 239000007789 gas Substances 0.000 claims description 140
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 238000006555 catalytic reaction Methods 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000003463 adsorbent Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 239000008234 soft water Substances 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000003507 refrigerant Substances 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 5
- 239000004615 ingredient Substances 0.000 claims description 4
- 238000002203 pretreatment Methods 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 4
- 239000002250 absorbent Substances 0.000 claims description 3
- 230000002745 absorbent Effects 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000005416 organic matter Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 241001466460 Alveolata Species 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 239000002808 molecular sieve Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000011065 in-situ storage Methods 0.000 abstract description 4
- 238000003556 assay Methods 0.000 abstract description 3
- 230000004888 barrier function Effects 0.000 abstract description 3
- 239000005030 aluminium foil Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 206010007269 Carcinogenicity Diseases 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 231100000260 carcinogenicity Toxicity 0.000 description 1
- 230000007670 carcinogenicity Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- -1 forms Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Medicinal Chemistry (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- General Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
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- Treating Waste Gases (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
A kind of industrial discharge VOCs tail gas field evaluation device and method, belongs to environmental protection technical field of atmospheric pollution control.It is characterized in that, evaluating apparatus includes pretreating device, catalytic combustion system, absorption/desorption apparatus, heat coupling device, solvent separation unit, on-line analysis device and pipeline；The pretreating device includes filter, surface cooler, booster fan and gaseous mass flowmeter；The catalytic combustion system includes economizer bank and reaction tube；Absorption/the desorption apparatus includes adsorption tube A, adsorption tube B, steam heater, drum, cycle metering pump；The heat coupling device includes filter, thermal coupling clutch.The present invention can directly carry out enterprise's tail gas operating mode in-situ evaluation research, according to assay as a result, selecting the VOCs Treatment process of most suitable enterprise's operating mode, most perplex technical barrier in terms of solving current some exhaust gas containing VOCs discharge enterprise vent gas treatment.
Description
Technical field
The invention belongs to environmental protection technical field of atmospheric pollution control, and in particular to a kind of industrial discharge VOCs tail gas shows
Field detecting evaluating apparatus and method.
Background technology
Industrial discharge organic exhaust gas has become one of China city primary pollution source at present, in industrial discharge organic exhaust gas
The VOCs contained is most of toxic, harmful, has certain carcinogenicity；Photochemical reaction is participated in, forms photochemical fog or production
Raw secondary organic aerosol, causes city large area air " haze ", can partly destroy ozone layer.In recent years, from country to each
VOCs is all prevented a major tasks as environmental protection to grab by provinces and regions, and therefore, industrial VOCS exhaust gas environment protection treating is extremely urgent,
And the situation is tense.
So far, VOCs Treatment process is diversified.But all there are certain applicability drawn games for each administering method
It is sex-limited, and different emission source exhaust gas mainly forms, VOCs levels sizes etc. are all multifarious.Visit numerous VOCs tail gas
Enterprise, especially some medium-sized and small enterprises are administered, controlling device is nearly at closed state at present.By deeply being handed over technical staff
Stream when mainly initially selecting administering method, without reliable design considerations, is only administered according to routine and experience according to selection
Technology, and find to differ greatly with enterprise practical operating mode after actual motion.Therefore, plant energy consumption height is occurred as soon as, equipment investment is big,
There are the technical problems such as secondary pollution.Therefore, how to select suitable for administering method, be that technical barrier most perplexs in current each enterprise.
Domestic shortage can be to industrial VOCs exhaust gas components on-line analysis evaluating apparatus and method at present.Some environmental protection equipments
Enterprise is sampled, then bring laboratory back with gas phase layer using Storage Time in Gas Collecting Bag and aluminium foil bag or stainless steel sampling cylinder to scene
Analysis mass spectrometer (Gc--MS) is analyzed.But when sampling, the displacement and acquisition of gas are all performed manually by, and centre is difficult
It avoids entering back into air.In addition it is necessary to analyze immediately after general collection bag and aluminium foil bag sample, if standing time is longer, due to
Collection bag and aluminium foil bag have absorption property to some gases in itself, and analysis result accuracy is worse.Also some scientific research institutions
Usually in laboratory by the way of distribution is simulated, the selection of VOCs administering methods is carried out.But in industrial actual condition, discharge
Tail gas due in temperature, humidity and tail gas VOCs concentrations etc. be not invariable, and laboratory simulation distribution
Mode more than condition be all very stable, therefore, industrial actual condition can not be simulated completely by simulating the mode of distribution.
Accurate assay is carried out to live tail gas in order to meet VOCs volatile organic waste gas discharge enterprise, urgent need will be opened
Hair is a kind of to be suitable for industrial waste gas ingredient in situ evaluating apparatus, realization is quick, accurate evaluation enterprise operating mode exhaust gas mainly forms,
Can VOCs levels size, recycling design levels, recycling design energy consumption etc. in reuse, removal process.More than
Data are evaluated, enterprise can be made accurately to select the VOCs administering methods of this suitable enterprise operating mode.
Invention content
It is an object of the invention to：In view of the defects existing in the prior art, a kind of industrial discharge VOCs tail gas scene is proposed
Evaluating apparatus and method are detected, it can carry out industrial discharge VOCs tail gas on-the-spot, standardization, deviceization detection evaluation,
Evaluating apparatus is connected to industrial discharge VOCs exhaust ports, using current industrialization purification method, according to device mode by
Step carries out detection and analysis evaluation, finally according to evaluation result, accurately makes suitable for the VOCs administering methods of enterprise's operating mode.
Above-mentioned goal of the invention be by following technical solution be realize：
A kind of industrial discharge VOCs tail gas Site Detection evaluating apparatus, is characterized by, and evaluating apparatus is filled including pre-treatment
Put, catalytic combustion system, absorption/desorption apparatus, heat coupling device, solvent separation unit, on-line analysis device and pipeline；Institute
The pretreating device stated includes filter, surface cooler, booster fan and gaseous mass flowmeter；The catalytic combustion system packet
Include economizer bank and reaction tube；Absorption/the desorption apparatus includes adsorption tube A, adsorption tube B, steam heater, drum, cycle
Metering pump；The heat coupling device includes filter, thermal coupling clutch；The solvent separation unit is cooled down including level-one
Temperature, pressure inspection instrument on device, secondary coolers, oil water separator and above equipment；The on-line analysis device packet
Include VOCs gas concentration detectors and gas chromatograph-mass spectrometer.
Preferably, the pretreating device of the evaluating apparatus, catalytic combustion system, absorption/desorption apparatus, heat coupling
Attach together put, they are as follows by the connection relation of pipeline for solvent separation unit and on-line analysis device：By pretreating device with urging
Change burner, absorption/desorption apparatus, the connection of on-line analysis device, catalytic combustion system, absorption/desorption apparatus and heat coupling
Attach together put, the connection of on-line analysis device, heat coupling device connect with solvent separation unit, solvent separation unit and on-line analysis
Device connects.
Preferably, in the pretreating device of evaluating apparatus, filter is connect by pipeline with surface cooler, and surface cooler passes through
Pipeline is connect with booster fan, and booster fan is connect by pipeline with gas mass flow gauge；Gas mass flow gauge passes through pipe
The economizer bank of line and catalytic combustion system, reaction tube connection；Gas mass flow gauge by pipeline also with absorption/desorption apparatus
Adsorption tube A, adsorption tube B connections；Adsorption tube A, the adsorption tube B of absorption/desorption apparatus are connected with the drain of pipeline；Absorption/
The cycle metering pump output terminal of desorption apparatus is connected with the input terminal of the thermal coupling clutch of heat coupling device；Pass through pipeline thermal coupling
The output terminal of clutch is connected with the steam heater input terminal of absorption/desorption apparatus, steam heater output terminal and drum
Input terminal is connected, and the output terminal of drum passes through the economizer bank of gas control valve and catalytic combustion system, absorption/desorption apparatus
Adsorption tube A is connected with adsorption tube B；The input terminal of thermal coupling clutch is connected with the filter output terminal of heat coupling device, mistake
The reaction tube output terminal of filter input terminal and catalytic combustion system, the adsorption tube A1 of absorption/desorption apparatus and the output of adsorption tube B
End is connected；Cycle metering pump input terminal is connected with the oil water separator output terminal of solvent separation unit, and oil water separator is defeated
The output terminal for entering end with level-one cooler, secondary coolers is connect, level-one cooler, secondary coolers upper end mutually interconnect
It connects, secondary coolers upper end is also connected with the drain of pipeline；The VOCs gas concentrations detection of the on-line analysis device
Instrument is connect with the adsorption tube A and adsorption tube B of absorption/desorption apparatus, the gas mass flow gauge of pretreating device；Described is online
The gas chromatograph-mass spectrometer of analytical equipment and the output terminal of the thermal coupling clutch of heat coupling device, the oil water separator of solvent separation unit
Output terminal is connected.
A kind of industrial discharge VOCs tail gas Site Detection evaluation method, is characterized by, is evaluated as follows：Tail
Gas pre-treatment：The filter that the tail gas containing VOCs of exhaust port discharge is accessed to pretreating device by pipeline first carries out ash
Dirt, the filtering of slag class substance, then enter surface cooler, VOCs exhaust temperatures are down to 30- by surface cooler by 80-140 DEG C by pipeline
40 DEG C, wind turbine is then entered, then be delivered to gas mass flow gauge by wind turbine by pipelined, through the accurate agent of gas mass flow gauge
After amount, according still further to 10-20m3/ h flows are delivered to the adsorption tube A of absorption/desorption apparatus and adsorption tube B respectively, carry out in tail gas
The adsorption assessment of VOCs ingredients；Or catalysis burning evaluation is carried out by the economizer bank of pipelined to catalytic combustion system.
Preferably, the adsorption assessment：Adsorption tube A and adsorption tube B can be with switch operating or work simultaneously in parallel
Make；The particle of industrial application or Alveolate activated carbon, activated alumina, silica gel, molecular sieve industrial adsorption are loaded in adsorption tube A
One kind in agent loads activated carbon fibre in adsorption tube；Tail gas after absorption is timely to gas concentration detector through pipelined
Tracing detection, the tail gas after detection are directly vented；
The catalysis burning evaluation：Be delivered to the economizer bank of catalytic combustion system VOCs tail gas be preheated to 200 DEG C with
On, the preheated pipe of tail gas after preheating is output and then enter reaction tube, and the VOCs tail gas of preheating carries out catalysis burning in reaction tube
Reaction, for reaction temperature at 230 DEG C~210 DEG C, the tail gas after burning, which is delivered in heat coupling device, carries out heat after catalysis burning
Amount coupling；
Tail gas heat quantity couples after catalysis burning：Reaction temperature is at 230 DEG C~210 DEG C after catalysis burning, the tail gas after burning
It is delivered in the filter of heat coupling device, carries out catalyst fines filtering, the gas input thermal coupling clutch after filtering carries out
Heat couples, and the temperature of tail gas is down to 150 DEG C hereinafter, tail gas exports big portion from coupler by 230 DEG C~210 DEG C after heat coupling
Lease making exhausting pipeline, the timely tracing detection of gas concentration detector of a small amount of tail gas through pipelined to line analysis device, detection
Tail gas afterwards is directly vented；Coupler refrigerant temperature rises to 110 DEG C~130 DEG C by room temperature, and absorption/de- is delivered to through thermal coupling clutch
In the steam heater of adsorption device, as desorption steam circulation reuse after heating；
VOCs is desorbed：Industrial soft water is recycled into metering pump through pipelined to absorption/desorption apparatus first, then again through following
Ring metering pump is delivered to by flow in the thermal coupling clutch of heat coupling device, then is delivered to absorption/desorption apparatus through thermal coupling clutch
Steam heater in, the ready heating of steam heater, the saturated vapor of heating is first delivered to drum through steam heater
Middle buffering, the steam after buffering are transported to adsorption tube A and adsorption tube B adsorbent layers, adsorbent through flow control valve and pipeline
It is heated by steam, VOCs is gradually desorbed to flow out with steam, generates desorption steam stream；When adsorbent layer temperature reaches limit value, close
Steam valve is passed through dry air purging through pipeline or vacuumizes, and cooling is spare；
Heat couples after desorption：The temperature of steam stream containing VOCs is at 140 DEG C -160 DEG C after desorption, through adsorption tube A and adsorption tube B
Outlet is delivered to filter, carries out absorbent powder filtering, and the tail gas after filtering, which passes through, carries out heat coupling in filter to coupler,
The stock of steam stream containing VOCs temperature is down to 100 DEG C or so after coupling, out enters in level-one cooler from coupler outlet, coupling
Device refrigerant temperature rises to 80 DEG C or so by room temperature, is delivered in steam heater through thermal coupling clutch, more than coupling heat be used for plus
Hot industrial soft water is reached and is further heated as desorption steam circulation reuse being delivered to heater after certain temperature；
Solvent separates and recovers：The stock of steam stream containing VOCs forms condensate liquid after thermal coupling, from the coupler of heat coupling device
It into level-one cooler, is delivered in oil water separator 113 through level-one cooler condensed liquid, uncondensed gas is through cooling
Device is delivered to secondary coolers and further cools down；It is delivered in oil water separator through secondary coolers condensed liquid, it is uncooled
Gas is vented through cooler upper pipeline, and a small amount of gas is through pipelined to the timely tracing detection of gas chromatograph-mass spectrometer, after detection
Tail gas is directly vented；It is delivered to the condensate liquid of oil water separator under the effect of gravity, organic matter and water are through standing, being layered, upper strata
It is recycled for mixed organic solvents, lower floor's steam condensate (SC) is collected as recirculated water and carries out recirculated water reuse.
Beneficial effects of the present invention：
First, using the present invention, enterprise's tail gas operating mode in situ detection evaluation study can be directly carried out, according to assay
As a result, selecting the VOCs Treatment process schemes of most suitable enterprise's operating mode, solves current some exhaust gas containing VOCs discharge enterprise
The technical barrier most perplexed in terms of vent gas treatment.
Second, the present invention can be pre-processed, be catalyzed burning, absorption/desorption, solvent cooling recycling, preheating reuse, follow
The reuse of ring water is evaluated, and has very extensive practical field.
Third, the present invention are directly used in enterprise's tail gas operating mode in-situ evaluation research, and experimental data is accurate, comprehensive, reliability
It is high.It can be that enterprise's operating mode is selected suitable for the VOCs administering methods of this enterprise operating mode, while be set for enterprise's commercial plant amplification
Meter provides strong foundation.
Description of the drawings
Fig. 1：The structure diagram of apparatus of the present invention
Fig. 2：The structure diagram of apparatus of the present invention, the flow chart of method
In Fig. 1-2,1-pipeline, 101-filter, 102-surface cooler, 103-booster fan, 104-gaseous mass
Flowmeter, 105-adsorption tube A, 106-adsorption tube B, 107-reaction tube, 108-gas concentration detector, 109-filter
, 110-thermal coupling clutch, 111-level-one cooler, 112-secondary coolers, 113-oil water separator, the heating of 114-steam
Device, 115-drum, 116-cycle metering pump, 117-economizer bank, 118-gas chromatograph-mass spectrometer, 1101-pretreating device,
1102-catalytic combustion system, 1103-absorption/desorption apparatus, 1104-heat coupling device, the separation of 1105-solvent
Device, 1106-on-line analysis device.
Specific embodiment
The invention will be further described for embodiment according to represented by Fig. 1-2：
A kind of industrial discharge VOCs tail gas field evaluation device, evaluating apparatus include pretreating device 1101, catalysis burning
Device 1102, absorption/desorption apparatus 1103, heat coupling device 1104, solvent separation unit 1105, on-line analysis device 1106
With pipeline 1；The pretreating device 1101 includes filter 101, surface cooler 102, booster fan 103 and gas mass flow
Meter 104；The catalytic combustion system 1102 includes economizer bank 117 and reaction tube 107；Absorption/the desorption apparatus 1103
Including adsorption tube A105, adsorption tube B106, steam heater 114, drum 115, cycle metering pump 116；The heat coupling
Device 1104 includes filter 109, thermal coupling clutch 110；The solvent separation unit 1105 includes level-one cooler 111, two
Grade cooler 112, oil water separator 113；It is gentle that the on-line analysis device 1106 includes VOCs gas concentration detectors 108
Matter combined instrument 118.
Pretreating device 1101, catalytic combustion system 1102, absorption/desorption apparatus 1103, the heat of the evaluating apparatus
They are as follows by the connection relation of pipeline 1 for coupling device 1104, solvent separation unit 1105 and on-line analysis device 1106：By
Pretreating device 1101 is connect with catalytic combustion system 1102, absorption/desorption apparatus 1103, on-line analysis device 1106, catalysis
Burner 1102, absorption/desorption apparatus 1103 are connect with heat coupling device 1104, on-line analysis device 1106, heat coupling
It attaches together and puts 1104 and connect with solvent separation unit 1105, solvent separation unit 1105 is connect with on-line analysis device 1106.
In the pretreating device 1101 of the evaluating apparatus, filter 101 is connect by pipeline 1 with surface cooler 102, table
Cooler 102 is connect by pipeline 1 with booster fan 103, and booster fan 103 is connected by pipeline 1 and gas mass flow gauge 104
It connects, 104 exhaust-gas treatment amount of mass flowmenter is 10-20m3/h；Gas mass flow gauge 104 passes through pipeline 1 and catalysis burning dress
Put 1102 economizer bank 117, reaction tube 107 connects；Gas mass flow gauge 104 by pipeline 1 also with absorption/desorption apparatus
1103 adsorption tube A105, adsorption tube B106 connections；Adsorption tube A105, the adsorption tube B106 of absorption/desorption apparatus 1103 and pipe
The drain of line 1 is connected；Cycle 116 output terminal of metering pump of absorption/desorption apparatus 1103 and heat coupling device 1104
The input terminal of thermal coupling clutch 110 is connected；Pass through the steaming of the output terminal and absorption/desorption apparatus 1103 of 1 thermal coupling clutch 110 of pipeline
114 input terminal of vapour heater is connected, and 114 output terminal of steam heater is connected with the input terminal of drum 115, drum 115
The suction that output terminal passes through gas control valve D-101 and the economizer bank 117, absorption/desorption apparatus 1103 of catalytic combustion system 1102
Attached pipe A105 is connected with adsorption tube B106；The input terminal of thermal coupling clutch 110 and the filter 109 of heat coupling device 1104 are defeated
Outlet is connected, 107 output terminal of reaction tube of 109 input terminal of filter and catalytic combustion system 1102, absorption/desorption apparatus
1103 adsorption tube A105 is connected with the output terminal of adsorption tube B106；Recycle 116 input terminal of metering pump and solvent separation unit
1105 113 output terminal of oil water separator is connected, 113 input terminal of oil water separator and level-one cooler 111, secondary coolers
112 output terminal connection, the upper end interconnection of level-one cooler 111, secondary coolers 112,112 upper end of secondary coolers
Drain also with pipeline 1 is connected；The VOCs gas concentration detectors 108 of the on-line analysis device 1106 and absorption/
The adsorption tube A105 and adsorption tube B106 of desorption apparatus 1103, the gas mass flow gauge 104 of pretreating device 1101 connect；Institute
It is the output terminal of the gas chromatograph-mass spectrometer 118 for the on-line analysis device 1106 stated and the thermal coupling clutch 110 of heat coupling device 1104, molten
113 output terminal of oil water separator of agent separator 1105 is connected.
A kind of industrial discharge VOCs tail gas field evaluation evaluation method, is evaluated as follows：Tail gas pre-treatment：It is first
First by exhaust port discharge tail gas containing VOCs by pipeline 1 access pretreating device 1101 filter 101 carry out dust,
Slag class substance filters, and then enters surface cooler 102 by pipeline 1, and VOCs exhaust temperatures are down to by surface cooler 102 by 80-140 DEG C
30-40 DEG C, wind turbine 103 is then conveyed into, then be delivered to gas mass flow gauge 104 by wind turbine 103 by pipeline 1, is passed through through gas
After 104 correct dose of mass flowmenter, according still further to 10-20 m3/ h is delivered to the adsorption tube of absorption/desorption apparatus 1103 respectively
A105 and adsorption tube B106 carries out the adsorption assessment of VOCs ingredients in tail gas；Or catalytic combustion system is delivered to by pipeline 1
1102 economizer bank 117 carries out catalysis burning evaluation.
The adsorption assessment：Adsorption tube A105 and adsorption tube B106 parallel connections work at the same time, and work is loaded in adsorption tube A105
The granular active carbon that industry uses loads activated carbon fibre in adsorption tube B106, VOCs components in tail gas is effectively adsorbed；
Tail gas after absorption is delivered to 108 timely tracing detection of gas concentration detector through pipeline 1, leading to without VOCs tail gas after detection
Cross the directly emptying discharge from adsorption tube A105 and adsorption tube B106 of pipeline 1；
The catalysis burning evaluation：The VOCs tail gas for being delivered to the economizer bank 117 of catalytic combustion system 1102 is preheated to
200 DEG C or more, the preheated pipe 117 of tail gas after preheating is output and then enter reaction tube 107, and the VOCs tail gas of preheating is in reaction tube
Catalyst combustion reaction is carried out in 107, for reaction temperature at 230 DEG C~210 DEG C, the tail gas after burning is delivered to heat after catalysis burning
Heat coupling is carried out in the thermal coupling clutch 110 of coupling device 1104；
Tail gas heat quantity couples after catalysis burning：Reaction temperature is at 230 DEG C~210 DEG C after catalysis burning, the tail gas after burning
It is delivered in the filter 109 of heat coupling device 1104, carries out catalyst fines filtering, the gas input thermal coupling after filtering
Device 110 carries out heat coupling；After heat coupling the temperature of tail gas by 230 DEG C~210 DEG C be down to 150 DEG C hereinafter, tail gas from coupling
Device 110 exports major part and is vented through pipeline 1, and a small amount of tail gas is delivered to 118 timely tracing detection of gas chromatograph-mass spectrometer through pipeline 1, inspection
Tail gas after survey is directly vented；110 refrigerant temperature of coupler rises to 110 DEG C~130 DEG C by room temperature, is conveyed through thermal coupling clutch 110
The further heat temperature raising into the steam heater 114 of absorption/desorption apparatus 1103, the saturated vapor of heating are delivered to drum
It is buffered in 115, the steam after buffering is transported to preheater 117 through flow control valve and pipeline 1 and carries out VOCs tail gas preheatings.With
Upper coupling heat is used for heat industrial soft water, reaches and further heats as steam being delivered to heater after certain temperature
It uses；
VOCs is desorbed：Industrial soft water is delivered to absorption/desorption apparatus 1103 through pipeline 1 first and recycles metering pump 116, so
It is delivered to the thermal coupling clutch 110 of heat coupling device 1104 by flow through cycle metering pump 116 again afterwards, then through thermal coupling clutch 110
It is delivered to the steam heater 114 of absorption/desorption apparatus 1103；114 ready heating of steam heater, the saturation of heating are steamed
Vapour is first delivered in drum 115 through steam heater 114 and buffers, and the steam after buffering is conveyed through flow control valve and pipeline 1
To 105 and 106 adsorbent layer of adsorption tube, adsorbent is heated by steam, and VOCs is gradually desorbed to flow out with steam, generates desorption steam
Stream；When adsorbent layer temperature reaches limit value, steam off valve is passed through dry air purging through pipeline 1 or vacuumizes, and cooling is standby
With；
The heat coupling of steam after desorption：The temperature of steam stream containing VOCs is at 140 DEG C -160 DEG C after desorption, through adsorption tube A105
Go out to be delivered to filter 109 with adsorption tube B106, carry out absorbent powder filtering, the tail gas after filtering is by filter 109 to coupling
Heat coupling is carried out in device 110, the stock of steam stream containing VOCs temperature is down to 100 DEG C or so after coupling, goes out from 110 outlet of coupler
Enter in level-one cooler 111,110 refrigerant temperature of coupler rises to 80 DEG C or so by room temperature, be delivered to through thermal coupling clutch 110
In steam heater 114, more than coupling heat be used for heat industrial soft water, be delivered to heater after reaching certain temperature
Further heating is as desorption steam circulation reuse.
Solvent separates and recovers：The stock of steam stream containing VOCs forms condensate liquid after thermal coupling, from the coupling of heat coupling device 1104
Clutch 110 enters in level-one cooler 111, is delivered in oil water separator 113 through 111 condensed liquid of level-one cooler, not
Condensed gas is delivered to secondary coolers 112 through cooler 111 and further cools down；It is defeated through 112 condensed liquid of secondary coolers
It send into oil water separator 113, uncondensed gas is vented through 112 upper pipeline 1 of cooler, and a small amount of gas is delivered to through pipeline 1
118 timely tracing detection of gas chromatograph-mass spectrometer, the tail gas after detection are directly vented；The condensate liquid for being delivered to oil water separator 113 exists
Under gravity, through standing, being layered, upper strata is recycled for mixed organic solvents for organic matter and water, and lower floor's steam condensate (SC) is used as and follows
Ring water is collected and carries out recirculated water reuse.
Claims (3)
1. a kind of industrial discharge VOCs tail gas Site Detection evaluating apparatus, which is characterized in that evaluating apparatus includes pretreating device
（1101）, catalytic combustion system（1102）, absorption/desorption apparatus（1103）, heat coupling device（1104）, solvent separation unit
（1105）, on-line analysis device（1106）And pipeline（1）；The pretreating device（1101）Including filter（101）, table it is cold
Device（102）, booster fan（103）With gaseous mass flowmeter（104）；The catalytic combustion system（1102）Including economizer bank
（117）And reaction tube（107）；Absorption/the desorption apparatus（1103）Including adsorption tube A（105）, adsorption tube B（106）, steam
Vapour heater（114）, drum（115）, cycle metering pump（116）；The heat coupling device（1104）Including filter
（109）, thermal coupling clutch（110）；The solvent separation unit（1105）Including level-one cooler（111）, secondary coolers
（112）, oil water separator（113）；The on-line analysis device（1106）Including VOCs gas concentration detectors（108）It is gentle
Matter combined instrument（118）；
The pretreating device of the evaluating apparatus（1101）, catalytic combustion system（1102）, absorption/desorption apparatus（1103）, heat
Measure coupling device（1104）, solvent separation unit（1105）With on-line analysis device（1106）They pass through pipeline（1）Connection
Relationship is as follows：By pretreating device（1101）With catalytic combustion system（1102）, absorption/desorption apparatus（1103）, on-line analysis
Device（1106）Connection, catalytic combustion system（1102）, absorption/desorption apparatus（1103）With heat coupling device（1104）,
Line analysis device（1106）Connection, heat coupling device（1104）With solvent separation unit（1105）Connection, solvent separation unit
（1105）With on-line analysis device（1106）Connection；
The pretreating device of the evaluating apparatus（1101）In, filter（101）Pass through pipeline（1）With surface cooler（102）Even
It connects, surface cooler（102）Pass through pipeline（1）With booster fan（103）Connection, booster fan（103）Pass through pipeline（1）With gas matter
Measure flowmeter（104）Connection；Gas mass flow gauge（104）Pass through pipeline（1）With catalytic combustion system（1102）Economizer bank
（117）Connection, economizer bank（117）With reaction tube（107）Connection；Gas mass flow gauge（104）Pass through pipeline（1）Also with suction
Attached/desorption apparatus（1103）Adsorption tube A（105）, adsorption tube B（106）Connection；Absorption/desorption apparatus（1103）Adsorption tube A
（105）, adsorption tube B（106）With pipeline（1）Drain be connected；Absorption/desorption apparatus（1103）Cycle metering pump
（116）Output terminal and heat coupling device（1104）Thermal coupling clutch（110）Input terminal be connected；Pass through pipeline（1）Thermal coupling
Clutch（110）Output terminal and absorption/desorption apparatus（1103）Steam heater（114）Input terminal is connected, steam heating
Device（114）Output terminal and drum（115）Input terminal be connected, drum（115）Output terminal pass through gas control valve with catalysis
Burner（1102）Economizer bank（117）, absorption/desorption apparatus（1103）Adsorption tube A（105）With adsorption tube B（106）Phase
Connection；Thermal coupling clutch（110）Input terminal and heat coupling device（1104）Filter（109）Output terminal is connected, filtering
Device（109）Input terminal and catalytic combustion system（1102）Reaction tube（107）Output terminal, absorption/desorption apparatus（1103）Suction
Attached pipe A（105）With adsorption tube B（106）Output terminal be connected；Recycle metering pump（116）Input terminal and solvent separation unit
（1105）Oil water separator（113）Output terminal is connected, oil water separator（113）Input terminal and level-one cooler（111）, two
Grade cooler（112）Output terminal connection, level-one cooler（111）, secondary coolers（112）Upper end be connected with each other, two level
Cooler（112）Upper end also with pipeline（1）Drain be connected；The on-line analysis device（1106）VOCs gases it is dense
Spend detector（108）With absorption/desorption apparatus（1103）Adsorption tube A（105）With adsorption tube B（106）, pretreating device
（1101）Gas mass flow gauge（104）Connection；The on-line analysis device（1106）Gas chromatograph-mass spectrometer（118）With heat
Measure coupling device（1104）Thermal coupling clutch（110）Output terminal, solvent separation unit（1105）Oil water separator（113）It is defeated
Outlet is connected.
2. a kind of industrial discharge VOCs tail gas Site Detection evaluation method, which is characterized in that evaluated as follows：Tail gas
Pre-treatment：The tail gas containing VOCs that exhaust port discharges is passed through into pipeline first（1）Access pretreating device（1101）Filtering
Device（109）Dust, the filtering of slag class substance are carried out, then passes through pipeline（1）Into surface cooler（102）, surface cooler（102）By VOCs
Exhaust temperature is down to 30-40 DEG C by 80-140 DEG C, then by pipeline（1）It is conveyed into wind turbine（103）, then by wind turbine（103）Conveying
To gas mass flow gauge（104）, through gas mass flow gauge（104）After correct dose, according still further to 10-20m3/ h flows point
It is not delivered to absorption/desorption apparatus（1103）Adsorption tube A（105）With adsorption tube B（106）, carry out VOCs ingredients in tail gas
Adsorption assessment；Or pass through pipeline（1）It is delivered to catalytic combustion system（1102）Economizer bank（117）And reaction tube（107）In
Carry out catalysis burning evaluation.
3. a kind of industrial discharge VOCs tail gas Site Detection evaluation method according to claim 2, which is characterized in that described
Adsorption assessment：Adsorption tube A（105）With adsorption tube B（106）It can be worked at the same time with switch operating or parallel connection；Adsorption tube A
（105）In the middle filling particle of industrial application or Alveolate activated carbon, activated alumina, silica gel, molecular sieve industrial adsorbents
One kind, adsorption tube B（106）Middle filling activated carbon fibre；Tail gas after absorption is through pipeline（1）It is delivered to gas concentration detector
（108）Timely tracing detection, the tail gas after detection are directly vented；
The catalysis burning evaluation：It is delivered to catalytic combustion system（1102）Economizer bank（117）VOCs tail gas be preheated to
200 DEG C or more, the preheated pipe of tail gas after preheating（117）It is output and then enter reaction tube（107）, the VOCs tail gas of preheating reacting
Pipe（107）Middle carry out catalyst combustion reaction, at 230 DEG C~210 DEG C, the tail gas after burning is delivered to reaction temperature after catalysis burning
Heat coupling device（1104）Middle progress heat coupling；
Tail gas heat quantity couples after catalysis burning：Reaction temperature is at 230 DEG C~210 DEG C after catalysis burning, the tail gas conveying after burning
To heat coupling device（1104）Filter（109）In, catalyst fines filtering is carried out, the gas input thermal coupling after filtering
Device（110）Carry out heat coupling, after heat coupling the temperature of tail gas by 230 DEG C~210 DEG C be down to 150 DEG C hereinafter, tail gas from coupling
Clutch（110）Output is most of through pipeline（1）Emptying, a small amount of tail gas is through pipeline（1）It is delivered to line analysis device（1106）Gas
Bulk concentration detector（108）Timely tracing detection, the tail gas after detection are directly vented；Coupler（110）Refrigerant temperature is by room temperature
110 DEG C~130 DEG C are risen to, through thermal coupling clutch（110）It is delivered to absorption/desorption apparatus（1103）Steam heater（114）In,
As desorption steam circulation reuse after heating；
VOCs is desorbed：First by industrial soft water through pipeline（1）It is delivered to absorption/desorption apparatus（1103）Recycle metering pump（116）,
Then again through recycling metering pump（116）Heat coupling device is delivered to by flow（1104）Thermal coupling clutch（110）In, then through heat
Coupler（110）It is delivered to absorption/desorption apparatus（1103）Steam heater（114）In, steam heater（114）Prepare just
Thread heats up, and the saturated vapor of heating is first through steam heater（114）It is delivered to drum（115）Middle buffering, the steam warp after buffering
Flow control valve and pipeline（1）It is transported to adsorption tube A（105）With adsorption tube B（106）Adsorbent layer, adsorbent are added by steam
Heat, VOCs is gradually desorbed to flow out with steam, generates desorption steam stream；When adsorbent layer temperature reaches limit value, steam off valve,
Through pipeline（1）It is passed through dry air purging or vacuumizes, cooling is spare；
Heat couples after desorption：The temperature of steam stream containing VOCs is at 140 DEG C -160 DEG C after desorption, through adsorption tube A（105）And adsorption tube
B（106）Outlet is delivered to filter（109）, absorbent powder filtering is carried out, the tail gas after filtering passes through filter（109）To coupling
Device（110）Middle progress heat coupling, the stock of steam stream containing VOCs temperature is down to 100 DEG C or so after coupling, from coupler（110）Outlet
Pipe out enters level-one cooler（111）In, coupler（110）Refrigerant temperature rises to 80 DEG C or so by room temperature, through thermal coupling clutch
（110）It is delivered to steam heater（114）In, more than coupling heat be used for heat industrial soft water, after reaching certain temperature
Heater is delivered to again further to heat as desorption steam circulation reuse；
Solvent separates and recovers：The stock of steam stream containing VOCs forms condensate liquid after thermal coupling, from heat coupling device（1104）Coupling
Device（110）Into level-one cooler（111）In, through level-one cooler（111）Condensed liquid is delivered to oil water separator（113）
In, uncondensed gas is through level-one cooler（111）It is delivered to secondary coolers（112）Further cooling；Through secondary coolers
（112）Condensed liquid is delivered to oil water separator（113）In, uncondensed gas is through secondary coolers（112）Upper pipeline（1）
Emptying, a small amount of gas is through pipeline（1）It is delivered to gas chromatograph-mass spectrometer（118）Timely tracing detection, the tail gas after detection are directly vented；
It is delivered to oil water separator（113）Condensate liquid under the effect of gravity, organic matter and water are through standing, being layered, and upper strata is is mixed with
Solvent recycles, and lower floor's steam condensate (SC) is collected as recirculated water and carries out recirculated water reuse.
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| CN110026049A (en) * | 2019-03-26 | 2019-07-19 | 合肥工业大学 | A kind of organic exhaust gas adsorption desorption catalyzing combustion testing platform |
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| CN106018622A (en) * | 2016-07-12 | 2016-10-12 | 中国石油化工股份有限公司 | Testing device and method for analyzing performance of organic gas treating system |
| TWI657887B (en) * | 2017-08-25 | 2019-05-01 | 賽默飛世爾（上海）儀器有限公司 | ALL-IN-ONE VOCs MEASUREMENT INSTRUMENT |
| TWI657888B (en) * | 2017-08-28 | 2019-05-01 | 大陸商賽默飛世爾（上海）儀器有限公司 | AUTOMATIC AUDIT OF THE VOCs SYSTEM |
| CN107930340A (en) * | 2017-11-29 | 2018-04-20 | 西南化工研究设计院有限公司 | Test the temperature swing adsorption system and method for volatile organic matter adsorbance and desorption quantity |
| CN110940752B (en) * | 2019-12-17 | 2022-08-05 | 陕西延长石油（集团）有限责任公司 | Multi-element low-carbon hydrocarbon adsorption and desorption evaluation device and method |
| IT202000027308A1 (en) * | 2020-11-16 | 2021-02-16 | Sense Square S R L | Raman Air Quality Monitoring (SMR) System |
| CN112588113A (en) * | 2021-03-04 | 2021-04-02 | 山东蓝驰环境科技股份有限公司 | VOCs waste gas treatment equipment based on catalytic oxidation technology |
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| CN204865540U (en) * | 2015-08-13 | 2015-12-16 | 中国石油化工股份有限公司 | Catalytic oxidation processing apparatus |
| CN205280707U (en) * | 2016-01-20 | 2016-06-01 | 义乌市中科院兰州化物所功能材料中心 | VOCs tail gas witnessed inspections evaluation device is discharged in industry |
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