CN209576201U - A kind of analog processing system of volatile organic compounds - Google Patents
A kind of analog processing system of volatile organic compounds Download PDFInfo
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- CN209576201U CN209576201U CN201822268965.5U CN201822268965U CN209576201U CN 209576201 U CN209576201 U CN 209576201U CN 201822268965 U CN201822268965 U CN 201822268965U CN 209576201 U CN209576201 U CN 209576201U
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 91
- 238000012545 processing Methods 0.000 title claims abstract description 69
- 238000001179 sorption measurement Methods 0.000 claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 33
- 238000002156 mixing Methods 0.000 claims abstract description 26
- 239000003463 adsorbent Substances 0.000 claims abstract description 24
- 239000012159 carrier gas Substances 0.000 claims abstract description 21
- 238000010521 absorption reaction Methods 0.000 claims abstract description 17
- 238000004088 simulation Methods 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 238000005485 electric heating Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 239000003610 charcoal Substances 0.000 claims description 2
- 238000003795 desorption Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 239000002912 waste gas Substances 0.000 abstract description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 48
- 239000002808 molecular sieve Substances 0.000 description 22
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 22
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 19
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 18
- 238000011069 regeneration method Methods 0.000 description 10
- 229910001220 stainless steel Inorganic materials 0.000 description 9
- 239000010935 stainless steel Substances 0.000 description 9
- 230000008929 regeneration Effects 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000000741 silica gel Substances 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
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- 239000004215 Carbon black (E152) Substances 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- -1 Nitrogen hydrocarbon Chemical class 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical group [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
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- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
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- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a kind of analog processing systems of volatile organic compounds, processing system is for assessing the absorption and regenerability of adsorbent material in the case where simulating Practical Project working condition, processing system includes that gaseous state VOCs generating device, carrier gas are passed through pipeline, mixing arrangement, adsorption tower, circulating fan, air inlet and exhaust outlet are offered on adsorption tower, processing system further includes the first concentration detector, the second concentration detector, gas-heating apparatus, the processing system has the first use state and the second use state, that is, integrates adsorption treatment and desorption processing.After adsorbent material reaches saturation absorption under the first use state, system can be immediately switched to the second use state, it can carry out it under different operating condition service conditions (flow velocity, humidity, temperature) being capable of simulation process, all kinds of project of waste gas administration conditions are simulated to greatest extent, more excellent operating parameter is obtained, enterprise's debugging cost on Practical Project is reduced.
Description
Technical field
The utility model relates to a kind of analog processing systems of volatile organic compounds.
Background technique
Currently, volatile organic compounds (Volatile Organic Compounds, VOCs) refers in normal temperature and pressure
Under, have higher vapor pressure, volatile organic compound, mainly include alkane, alkene, aromatic hydrocarbon and various oxygen-containing hydrocarbons,
Nitrogen hydrocarbon, sulphur hydrocarbon, halogenated hydrocarbons, low boiling point polycyclic aromatic hydrocarbon etc. are one of main atmosphere pollutions.Studies have shown that VOCs and nitrogen oxygen
Compound then forms the Air Pollutants based on PM2.5 by a series of processes such as oxidations, cohesion, coring in an atmosphere.
Meanwhile most of VOCs has very strong toxicity and irritation, has larger harm to human health, can damage liver and nerve
System, there are also carcinogenicities, hereditary Poisoning by part VOCs.Relative to traditional active carbon adsorption material, molecular sieve adsorbent material
It has the feature that 1, zeolite is inorganic matter, therefore is noncombustible matter.2, zeolite can tolerate high temperature to 1000 °C, therefore regenerate
When can be used higher temperature, high boiling substance can be handled.3, the molecular sieve after hydrophobically modified is low to the affinity of water, has relatively strong
Hydrophobicity, especially in relative humidity RH=60% compare active carbon can be seen that difference.Electronics, semiconductor, printing and dyeing, LED, lithium
Industrial organic exhaust gas caused by the industries such as battery has the characteristics that concentration is low, air quantity is big, complicated components, need to be directed to specific operating condition
Condition selects suitable molecular sieve adsorbent material.Since different operating condition service conditions (flow velocity, humidity, temperature etc.) will affect
To final treatment effect, therefore a set of simulation industrial organic exhaust gas processing system device of design is particularly critical, is especially to aid in
The absorption of adsorbent material selected by enterprise evaluation and regenerability and selection preferably operating parameter, can reduce enterprise in engineering
The debugging of early period is invested.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies of the prior art and provide a kind of volatile organic
Close the analog processing system of object.
In order to solve the above technical problems, the technical solution that the utility model is taken is as follows:
A kind of analog processing system of volatile organic compounds, processing system are used in simulation Practical Project working condition
The absorption and regenerability of lower assessment adsorbent material, processing system includes gaseous state VOCs generating device, for providing the load of carrier gas
Gas, which is passed through pipeline, pipeline is passed through with gaseous state VOCs generating device and carrier gas is connected to and is arranged and for by carrier gas and gaseous state VOCs progress
Mixed mixing arrangement, adsorption tower, circulating fan for carrying out Adsorption to the VOCs in mixed gas, adsorption tower
On offer air inlet and exhaust outlet, admission line is connected on air inlet, exhaust pipe, processing system are connected on exhaust outlet
It further include the first concentration detector on admission line, the second concentration detector and air inlet pipe on exhaust pipe
The gas-heating apparatus that road can be connected to, the setting that mixing arrangement can be connected to admission line, processing system have absorption
The first use state of VOCs and the second use state for VOCs in adsorption tower to be desorbed, when admission line with mix
When device is connected to and gas-heating apparatus and admission line disconnect, processing system is allowed hand over to the first use state, when
When admission line is connected to gas-heating apparatus and mixing arrangement and admission line disconnect, processing system is allowed hand over to the
Two use states.
When system switches to the first use state, by adsorption tower air inlet and exhaust outlet in the first concentration detector
With total VOCs concentration shown by the second concentration detector, the system under set temperature, flow and flow velocity can be calculated
Whole removal efficiency.Total VOCs concentration shown by the second concentration detector reaches VOCs shown by the first concentration detector
When concentration 10%, whole system is closed.When system switches to the second use state, first starts circulating fan and adjust air stream
Amount is to setting flow, and air is heated to set temperature by gas-heating apparatus, subsequently into the suction that adsorption saturation is housed
In the adsorption tower of enclosure material, make the heated desorption and regeneration of the VOCs in adsorbent material.When the second concentration detector shows that total VOCs is dense
When degree is zero, illustrates that regneration of adsorbent material is completed, whole system can be closed at this time.
Preferably, gaseous state VOCs generating device is passed through pipeline by VOCs with mixing arrangement and is connected to setting, and processing system is also
Including being set to the first flow controller that VOCs is passed through on pipeline, the second flow controller for being passed through set on carrier gas pipeline.
Preferably, gas-heating apparatus is connected by hot gas duct with admission line, and processing system further includes being set to heat
Third flow controller in feed channel.
Preferably, gaseous state VOCs generating device includes for holding the container of liquid VOCs, for heating to container
So that the heating component of liquid VOCs gasification.
Preferably, heating component include water-bath, set on water-bath inner circumferential for being heated to the water in water-bath
Electric heating cover.By heating to the water held in water-bath, and water ring is embraced in the foreign side side of container, so as to heated
Water the liquid VOCs in container can be evenly heated, heating effect is more preferable, to adjust the saturation of VOCs compound
Vapour pressure.
Preferably, processing system further includes the exhaust gas processing device being connected to exhaust pipe, is filled out inside exhaust gas processing device
Fill interchangeable active carbon honeycomb or active carbon particle or active carbon web plate.Gas after desorption enters vent gas treatment case, purification
After be discharged into atmosphere.
Preferably, processing system further includes the gas chromatograph being connected to admission line and exhaust pipe, gas-chromatography
Instrument is connected to setting by detecting pipeline with admission line, detects and is provided with the first valve on pipeline.The gas chromatograph uses six
Port valve sample introduction can monitor the type and relative concentration of residual VOCs compound on-line by comparing with standard diagram.
Preferably, it is provided with the second valve on admission line, third valve is provided on exhaust pipe.
Preferably, mixing arrangement is Venturi tube or SV type mixer or SH type mixer or SK type mixer.
Preferably, adsorption tower is fixed-bed type adsorption tower comprising cabinet covers the case lid closed on cabinet, for case
The sealing ring that body and case lid are sealed.Cabinet is stainless steel material, and shape is cuboid, and wherein tank ends are to open wide to set
Meter circulates for gas.A certain amount of adsorbent material can be filled in box house, and sealing ring is high-temperature silica gel sealing strip, sticks at case
Internal wall, thickness are about 3 mm.Case lid is stainless steel material, and shape is tetragonal pyramid, having a size of corresponding with cabinet；Case lid and case
By four stainless steel buckle connections between body, to guarantee its air-tightness.
Due to the implementation of above technical scheme, the utility model has the advantages that compared with prior art
The analog processing system of the volatile organic compounds of the utility model, can be in different operating condition service conditions
Carried out at (flow velocity, humidity, temperature) its can simulation process, with the absorption of comprehensive verification adsorbent material, de- pay a performance, maximum limit
All kinds of project of waste gas administration conditions of the simulation of degree obtain more excellent operating parameter, reduce enterprise's debugging cost on Practical Project；It should
Processing system has the first use state and the second use state, that is, integrates adsorption treatment and desorption processing.Work as adsorption material
After material reaches saturation absorption under the first use state, system can be immediately switched to the second use state.When adsorption saturation is adsorbed
After the complete desorption and regeneration of material, system can be immediately switched under the first use state again.So on circulate, between two states
Mutually switching, on the one hand the adsorption-regeneration data of available one group of complete adsorbent material, reduce systematic error, another party
Face can make operation more simple and feasible, reduce the disassembly installation of device.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the processing system of the utility model；
Wherein: 10, container；11, water-bath；12, electric heating cover；2, mixing arrangement；3, adsorption tower；4, gas heating dress
It sets；5, gas chromatograph；6, exhaust gas processing device；100, circulating fan；G1, admission line；G2, exhaust pipe；G3, VOCs are logical
Enter pipeline；G4, carrier gas are passed through pipeline；G5, hot gas duct；G6, detection pipeline；J1, the first concentration detector；J2, the second concentration
Detector；L1, first flow controller；L2, second flow controller；L3, third flow controller；F1, the first valve；f2,
Second valve；F3, third valve.
Specific embodiment
The utility model is described in more detail with specific embodiment with reference to the accompanying drawing.
As shown in Figure 1, a kind of analog processing system of volatile organic compounds, processing system is used to simulate practical work
The absorption and regenerability of adsorbent material are assessed under journey working condition, processing system includes gaseous state VOCs generating device, for mentioning
Carrier gas for carrier gas is passed through pipeline g4, pipeline g4 is passed through with gaseous state VOCs generating device and carrier gas is connected to and be arranged and for by carrier gas
The mixing arrangement 2(carrier gas mixed with gaseous state VOCs is sufficiently mixed in mixing arrangement 2 with gaseous state VOCs, forms simulation work
Industry organic exhaust gas, mixing arrangement 2 are Venturi tube or SV type mixer or SH type mixer or SK type mixer), for mixed
VOCs in gas after conjunction carries out adsorption tower 3, the circulating fan 100 of Adsorption, offers air inlet and row on adsorption tower 3
Port is connected with admission line g1 on air inlet, and exhaust pipe g2 is connected on exhaust outlet, and processing system further includes being set to air inlet
The first concentration detector j1 on pipeline g1, the second concentration detector j2 on exhaust pipe g2 and admission line g1 energy
The gas-heating apparatus 4(gas-heating apparatus 4 being enough connected to is tubular gas heater, embeds stainless steel mica heating coil, heat
Air draught can be heated to 0 ~ 300 °C by one of runner spring heating coil or quartz heating-pipe) and exhaust pipe g2 company
Interchangeable active carbon honeycomb or active carbon particle or activity are filled inside the logical exhaust gas processing device 6(exhaust gas processing device 6
Charcoal web plate), the setting that mixing arrangement 2 can be connected to admission line g1, circulating fan 100 is arranged on exhaust pipe g2, this
In example, there is processing system the first use state of absorption VOCs and second for VOCs in adsorption tower 3 to be desorbed to make
With state, when admission line g1 is connected to mixing arrangement 2 and gas-heating apparatus 4 and admission line g1 are disconnected, processing
System is allowed hand over to the first use state, when admission line g1 is connected to and mixing arrangement 2 and air inlet pipe with gas-heating apparatus 4
When road g1 is disconnected, processing system is allowed hand over to the second use state.First concentration detector j1 and the second Concentration Testing
The range of device j2 is 0 ~ 1000 ppm, and precision is 0.01 ppm, the detection of free diffusing formula on-line continuous is all made of, for examining
Survey the VOCs compound concentration of 3 air inlet of adsorption tower and exhaust outlet.
When system switches to the first use state, by 3 air inlet of adsorption tower and exhaust outlet in the first Concentration Testing
Total VOCs concentration shown by device j1 and the second concentration detector j2, can be calculated under set temperature, flow and flow velocity
The whole removal efficiency of system.Total VOCs concentration shown by the second concentration detector j2 reaches the first concentration detector j1 institute
When the VOCs concentration 10% shown, whole system is closed.When system switches to the second use state, first start circulating fan 100
And air mass flow is adjusted to setting flow is arrived, air is heated to set temperature by gas-heating apparatus 4, subsequently into being equipped with
In the adsorption tower 3 of the adsorbent material of adsorption saturation, make the heated desorption and regeneration of the VOCs in adsorbent material.When the second concentration detector
When j2 shows that total VOCs concentration is zero, illustrates that regneration of adsorbent material is completed, whole system can be closed at this time.
Specifically, gaseous state VOCs generating device is passed through pipeline g3 by VOCs with mixing arrangement 2 and is connected to setting, processing system
It further include the first flow controller L1 being passed through on pipeline g3 set on VOCs, the second flow control for being passed through set on carrier gas pipeline g4
Device L2.Gas-heating apparatus 4 is connected by hot gas duct g5 with admission line g1, and processing system further includes being set to hot gas duct
Third flow controller L3 on g5.Each flow controller includes solenoid valve and electronic flow detector, and each flow control
Device can make gas flow in 0 ~ 100 m3Controllable adjustment within the scope of/h.
Gaseous state VOCs generating device include for holding the container 10 of liquid VOCs, for being heated to container 10 so that
The heating component of liquid VOCs gasification.The heating component includes water-bath 11, is set to 11 inner circumferential of water-bath for water-bath 11
The electric heating cover 12 that interior water is heated.By heating to the water held in water-bath 11, and water ring is embraced in container 10
Foreign side side, the liquid VOCs in container 10 can be evenly heated so as to heated water, heating effect is more preferable,
To adjust the saturated vapour pressure of VOCs compound.In this example, the water of about 1/2 volume is contained in water-bath 11.In addition, heating
Component further includes having the temperature control device (containing temperature probe) controlled for the heating to electric heating cover 12, runs power by temperature
Control equipment control to adjust, by adjust electric heating cover 12 operation power can make water temperature room temperature (about 25 °C) to boil (about
100 °C) in adjust.The container 10 for holding liquid VOCs organic matter is one of glass beaker, stainless steel barrel or plastic barrel, inner
Face holds the liquid of quantitative simulation VOCs compound, usually one of toluene, dimethylbenzene, ethylbenzene, acetone, isopropanol or more
Kind mixing.
Further, processing system further includes the gas chromatograph 5 being connected to admission line g1 and exhaust pipe g2, gas
Chromatography 5 is connected to setting by detecting pipeline g6 with admission line g1, detects and is provided with the first valve f1, air inlet on pipeline g6
It is provided with the second valve f2 on pipeline g1, third valve f3 is provided on exhaust pipe g2.The gas chromatograph 5 uses six-way valve
Sample introduction can monitor the type and relative concentration of residual VOCs compound on-line by comparing with standard diagram.
In this example, adsorption tower 3 is fixed-bed type adsorption tower 3 comprising cabinet, lid close case lid on cabinet, for pair
The sealing ring that cabinet and case lid are sealed.Cabinet is stainless steel material, and shape is cuboid, and wherein tank ends are to open wide to set
Meter circulates for gas.A certain amount of adsorbent material can be filled in box house, and sealing ring is high-temperature silica gel sealing strip, sticks at case
Internal wall, thickness are about 3 mm.Case lid is stainless steel material, and shape is tetragonal pyramid, having a size of corresponding with cabinet；Case lid and case
By four stainless steel buckle connections between body, to guarantee its air-tightness；In this example, a certain amount of molecular sieve bee is can be filled in box house
One of nest, molecular sieve sphere or molecular sieve fiber, molecular sieve used are in FAU, MFI, MOR, MWW or LTA molecular sieve
It is one or more.
It is listed below (inhaling in the first use state for the analog processing system of the volatile organic compounds of the utility model
It is attached) under two kinds of particular condition in use and a kind of particular condition in use under the second use state (desorption):
First use state (one): the electric heating cover 12 and regulation power in gaseous state VOCs generating device are 1. opened, water is made
Water in bath 11 reaches 40 °C.The toluene liquid of about 1/4 volume is poured into the container 10 for holding liquid VOCs.2. starting circulation
Blower 100, adjusting second flow controller L2 makes 18 m3/h of carrier gas flux.Mixing arrangement 2 is Venturi tube.Carrier gas and first
Benzene gas is sufficiently mixed in Venturi tube, forms simulation industrial organic exhaust gas.This is organic shown by first concentration detector j1
Exhaust gas toluene level is 200 ppm.3. 3 type selecting of fixed-bed type adsorption tower is the rectangular of the mm × 600 of 100 mm × 100 mm
Body cabinet, interior adsorbent material are six pieces of molecular sieve honeycomb of the mm × 100 of 100 mm × 100 mm, are filled out in a stacked
It fills in the cabinet of adsorption tower 3, high-temperature silica gel sealing strip is embedded between molecular sieve honeycomb and cabinet wall.Molecular sieve used is FAU/
The mixing of MFI molecular sieve, its ratio be FAU/MFI=1/3.4. simulation industrial organic exhaust gas flows through fixed-bed type adsorption tower 3, meter
Calculation flow velocity is 0.5 m/s.Toluene component in exhaust gas is filled the absorption of the molecular sieve honeycomb in adsorption tower 3.Second Concentration Testing
Device j2 shows that gas outlet toluene concentration is 5 ppm.It can be calculated flow is 18 m3/h, flow velocity is 0.5 m/s, temperature is room
Under warm (about 20 °C), the operating parameter that initial toluene total concentration is 200 ppm, system is 97.5% to the synthesis removal rate of toluene.
After 5. system runs 12 as a child under the setup parameter, when the toluene concentration that the second concentration detector j2 is shown starts slowly
When the registration of raising and the second concentration detector j2 reach 20 ppm, indicates molecular sieve honeycomb adsorption saturation used, close whole
A system.
First use state (two): the electric heating cover 12 and regulation power in gaseous state VOCs generating device are 1. opened, water is made
Water in bath 11 reaches 50 °C, and toluene/dimethylbenzene/acetone of about 1/4 volume is poured into the container 10 of Xiang Shengfang liquid VOCs
Mixture, ratio are about toluene/dimethylbenzene/acetone=2/3/1.2. starting circulating fan 100, second flow controller is adjusted
L2 makes 36 m3/h of carrier gas flux.Mixing arrangement 2 is Venturi tube, and carrier gas and toluene/dimethylbenzene/acetone mixed gas are in text
It is sufficiently mixed in venturi, forms simulation industrial organic exhaust gas.Through the total first of the organic exhaust gas shown by the first concentration detector j1
Benzene/dimethylbenzene/content of acetone is 300 ppm.3. 3 type selecting of fixed-bed type adsorption tower is the mm × 600 of 100 mm × 100 mm
Rectangular box body, interior adsorbent material be molecular sieve sphere, be filled in accumulation mode in the cabinet of adsorption tower 3, molecular sieve
High-temperature silica gel sealing strip is embedded between sphere and cabinet wall.Molecular sieve used is the mixing of MFI/MOR/MWW molecular sieve, its ratio be
MFI/MOR/MWW=3/2/1.4. simulation industrial organic exhaust gas flows through fixed-bed type adsorption tower 3, calculating flow velocity is 1 m/s.It is useless
Toluene/dimethylbenzene/acetone component in gas is filled the absorption of the molecular sieve sphere in adsorption tower 3.Second concentration detector j2 is aobvious
Showing port toluene concentration is 7 ppm.It can be calculated flow is 36 m3/h, flow velocity is 1 m/s, temperature is (about 20 ° of room temperature
C), under the operating parameter that initial toluene/dimethylbenzene/acetone total concentration is 300 ppm, system is comprehensive to toluene/dimethylbenzene/acetone
Closing removal rate is 97.67%.5. being shown after system runs 8 as a child under the setup parameter as the second concentration detector j2
When toluene/dimethylbenzene/acetone mixture concentration starts slowly to increase and the registration of the second concentration detector j2 reaches 30 ppm, table
Show molecular sieve sphere adsorption saturation used, closes whole system.
Second use state: 1. starting circulating fan 100, introduce air into gas-heating apparatus 4, by adjusting the
Three flow controller L3 make that 5 m3/h of air mass flow is desorbed.It opens gas-heating apparatus 4 and is set as regeneration air temperature
150°C。
2. the regeneration gas heated flows through fixed-bed type adsorption tower 3, the heated hair of the molecular sieve honeycomb of wherein adsorption saturation
Raw desorption and regeneration.The registration of second concentration detector j2 is stepped up, and is about reached 897 ppm of peak after forty minutes, is then existed
Fluctuation up and down at 850 ppm.The registration of the second concentration detector j242 reaches zero after about 1.5 hours, shows the molecular sieve honeycomb
Complete desorption and regeneration closes whole system at this time.
In conclusion the analog processing system of the volatile organic compounds of the utility model, it can be in different works
Carried out under condition service condition (flow velocity, humidity, temperature) its can simulation process, with the absorption of comprehensive verification adsorbent material, de- pay
Performance；The processing system has the first use state and the second use state, that is, integrates adsorption treatment and desorption processing.When
After adsorbent material reaches saturation absorption under the first use state, system can be immediately switched to the second use state.When absorption is full
After the complete desorption and regeneration of adsorbent material, system can be immediately switched under the first use state again.So on circulate, at two
Mutually switch between state, on the one hand the adsorption-regeneration data of available one group of complete adsorbent material, reduce systematic error,
On the other hand operation can be made more simple and feasible, reduce the disassembly installation of device.
In addition, as a set of VOCs analog processing system, the utility model processing system possesses multiple adjustable parameters.For
The different working conditions of actual industrial VOCs treatment engineering, the invention device can corresponding flow, the flow velocitys for adjusting exhaust gas
And concentration, component of contained VOCs compound etc., all kinds of project of waste gas administration conditions are simulated to greatest extent, obtain more excellent operation
Parameter reduces enterprise's debugging cost on Practical Project.
Fixed-bed type adsorption tower adds stainless steel buckle dual sealing manner using high-temperature silica gel sealing strip, it is ensured that cabinet
Air-tightness is good.All kinds of different-shape adsorbent materials can be loaded according to actual requirement of engineering in cabinet, as honeycomb, graininess,
Fibrous paper, plate stratiform etc., have a wide range of application.
The utility model is described in detail above, its object is to allow the personage for being familiar with this field technology can be much of that
It solves the content of the utility model and is implemented, do not limit the protection scope of the present invention, it is all practical according to this
Equivalent change or modification made by novel Spirit Essence should all cover within the protection scope of the present utility model.
Claims (10)
1. a kind of analog processing system of volatile organic compounds, it is characterised in that: the processing system is used for real in simulation
The absorption and regenerability of adsorbent material are assessed under the engineering working condition of border, the processing system includes that gaseous state VOCs is filled
It sets, be passed through pipeline for providing the carrier gas of carrier gas, being passed through pipeline with the gaseous state VOCs generating device and carrier gas and be connected to setting simultaneously
Mixing arrangement for mixing carrier gas with gaseous state VOCs is used to carry out Adsorption to the VOCs in mixed gas
Adsorption tower, circulating fan, offer air inlet and exhaust outlet on the adsorption tower, be connected with air inlet pipe on the air inlet
Road, exhaust pipe is connected on the exhaust outlet, and the processing system further includes the first concentration on the admission line
Detector, the second concentration detector on the exhaust pipe are filled with the gas heating that the admission line can be connected to
It sets, the setting that the mixing arrangement can be connected to the admission line, the processing system has the first of absorption VOCs to make
The second use state with state and for VOCs in adsorption tower to be desorbed, when the admission line is connected to mixing arrangement
And the gas-heating apparatus and the admission line, when disconnecting, the processing system allows hand over to first and uses shape
State, when the admission line is connected to gas-heating apparatus and the mixing arrangement and the admission line disconnect, institute
Processing system is stated to allow hand over to the second use state.
2. the analog processing system of volatile organic compounds according to claim 1, it is characterised in that: the gaseous state
VOCs generating device is passed through pipeline by VOCs with the mixing arrangement and is connected to setting, and the processing system further includes set on described
First flow controller that VOCs is passed through on pipeline, the second flow controller that pipeline is passed through set on the carrier gas.
3. the analog processing system of volatile organic compounds according to claim 2, it is characterised in that: the gas adds
Thermal is connected by hot gas duct with the admission line, and the processing system further includes being set on the hot gas duct
Third flow controller.
4. the analog processing system of volatile organic compounds according to claim 1, it is characterised in that: the gaseous state
VOCs generating device includes for holding the container of liquid VOCs, for being heated to the container so that liquid VOCs gasifies
Heating component.
5. the analog processing system of volatile organic compounds according to claim 4, it is characterised in that: the heating group
Part includes water-bath, the electric heating cover set on the water-bath inner circumferential for being heated to the water in the water-bath.
6. the analog processing system of volatile organic compounds according to claim 1, it is characterised in that: the processing system
System further includes the exhaust gas processing device being connected to the exhaust pipe, and filling is alternatively active inside the exhaust gas processing device
Charcoal honeycomb or active carbon particle or active carbon web plate.
7. the analog processing system of volatile organic compounds according to claim 1, it is characterised in that: the processing system
System further includes the gas chromatograph being connected to the admission line and exhaust pipe, the gas chromatograph and the air inlet pipe
Road is arranged by detection pipeline connection, is provided with the first valve on the detection pipeline.
8. the analog processing system of volatile organic compounds according to claim 7, it is characterised in that: the air inlet pipe
It is provided with the second valve on road, third valve is provided on the exhaust pipe.
9. the analog processing system of volatile organic compounds according to claim 1, it is characterised in that: the mixing dress
It is set to Venturi tube or SV type mixer or SH type mixer or SK type mixer.
10. the analog processing system of volatile organic compounds according to claim 1, it is characterised in that: the absorption
Tower is fixed-bed type adsorption tower comprising cabinet covers the case lid closed on the cabinet, for carrying out to the cabinet and case lid
The sealing ring of sealing.
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Effective date of registration: 20231208 Address after: No.2, Weixin Road, industrial park, Suzhou, Jiangsu Province, 215000 Patentee after: JIANGSU SUJING GROUP Co.,Ltd. Patentee after: Sujing Yingtaike Environmental Equipment (Yancheng) Co.,Ltd. Address before: No.2, Weixin Road, Suzhou Industrial Park, Suzhou, Jiangsu Province, 215000 Patentee before: JIANGSU SUJING GROUP Co.,Ltd. |