CN207413119U - A kind of processing unit of middle low concentration VOCs gases - Google Patents
A kind of processing unit of middle low concentration VOCs gases Download PDFInfo
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- CN207413119U CN207413119U CN201721256020.0U CN201721256020U CN207413119U CN 207413119 U CN207413119 U CN 207413119U CN 201721256020 U CN201721256020 U CN 201721256020U CN 207413119 U CN207413119 U CN 207413119U
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Abstract
A kind of processing unit of middle low concentration VOCs gases, including：Babinet, both ends are respectively equipped with air inlet and exhaust outlet；In babinet, it is disposed with along air inlet to exhaust outlet direction：Filter device；At least two processing units, each processing unit are made of molecular sieve module and UVC lighting modules, and the UVC lighting modules are by several low pressure UVC lamp groups into being respectively arranged at the both sides of molecular sieve module；Radiator, between two processing unit；Ozone filter device, the exhaust ports in babinet；VOCs concentration monitoring devices, arranged on babinet exhaust ports.The utility model device integrally takes up little area, and saves the input of pipeline arrangement, effectively reduces wind turbine power consumption, and upgrading optimization is convenient, and input cost is controllable, has good cost performance, O＆M cost is low.
Description
Technical field
The utility model belongs to VOCs treatment field, and in particular to a kind of processing dress of middle low concentration VOCs gases
It puts.
Background technology
VOCs refers at normal temperatures, the various volatile organic compounds that 50 DEG C~260 DEG C of boiling point, and the VOCs of broad sense is reachable
Millions of kinds, be one of major pollutants of air.By its chemical constitution, following major class can be divided into：Hydro carbons (alkanes, alkene and
Aromatic hydrocarbons), esters, aldehydes, ketone, alcohols, phenols, amine, nitrile (cyanogen) class and organic halogen system derivative etc..
Most volatile organic compounds have toxicity, have wide, toxic pollution, foul smelling, discharge capacity is big, concentration is low
The characteristics of, good processing is the problem of environmental protection industry (epi).Because all kinds of VOCs molecular structures are different, bond energy height differs, category is many
More, very big variable is presented in processing procedure；And usually gas flow is larger, humiture differs, these cause middle low concentration
VOCs processing it is difficult.
At present, to the processing of VOCs, exist or equipment manufacturing cost is higher or O＆M cost is expensive or treatment effect is not good enough or
The situations such as security risk is more, the processing mode of mainstream have following several：
1st, non-thermal plasma trap.Treatment effect：About 50%；Operating cost：It is higher；It is applicable in：The VOCs gas of low concentration
Body；Overall merit：Processing capacity is limited, high voltage arcing, once there is the precedent for generating detonation.
2nd, flame combustion method (RCO/RTO).Treatment effect：>=90%；Operating cost：It is high；It is applicable in：Higher concentration, stream
Measure smaller VOCs gases；Overall merit：The energy consumption of big flow gas compression is higher, and equipment disposably puts into costliness, need to constantly add
Add catalyst or fuel, O＆M cost is high.
3rd, absorption method：Mainly adsorption module is made using activated carbon, nano zeolite etc. in market.Treatment effect：>=70%；
Operating cost：It is higher；It is applicable in：The VOCs gases of middle low concentration；Overall merit：Easy adsorption saturation is desorbed cost with catalyst
It is higher, it constantly replaces adsorption module and generates solid waste again.The most common activated carbon in market also have temperature it is higher when the hidden danger that smolders.
4th, UVC photocatalysis.Treatment effect：About 50%；Operating cost：Generally；It is applicable in：The VOCs gases of middle low concentration；It is comprehensive
Close evaluation：The UVC photocatalysis equipment of market operation, does not pay attention to adjusting, the raising of light efficiency of UVC light intensity generally, may in processing
The problems such as ozone concentration of generation is insufficient or excessively high and VOCs gas temperatures are excessively high.
At present, UVC photocatalysis+active carbon adsorption or UVC photocatalysis+low-temperature plasma+active carbon adsorption are utilized though having
Association schemes, still, the online desorption problem of unresolved adsorbent.In the prior art, have by setting two groups of absorption
The scheme that bed works alternatively after one group of adsorbent bed adsorption saturation, switches VOCs gas passages, starts another group of adsorbent bed work
Make；The adsorbent bed of adsorption saturation is desorbed, when desorption need to add catalyst and need after being compressed to desorption gas,
The device burned again.Moreover, the program fails to realize real-time online desorption, and the program takes up an area bigger, project cost and fortune
It is also high to tie up cost.
Utility model content
The purpose of this utility model is to provide a kind of processing units of middle low concentration VOCs gases, overcome the prior art
The problem of middle centering low concentration VOCs gas treatment effects are undesirable, of high cost, the utility model can realize that absorption is real with desorption
When carry out online, without additional energy, reduce O＆M cost.
In order to achieve the above objectives, the utility model provides following technical solution：
A kind of processing unit of middle low concentration VOCs gases, including：Babinet, both ends are respectively equipped with air inlet and exhaust
Mouthful, in babinet, it is disposed with along air inlet to exhaust outlet direction：Filter device, be strainer or filter membrane, in babinet into
At gas port；At least two processing units, each processing unit are made of molecular sieve module and UVC lighting modules；The UVC illumination mould
Block is by several low pressure UVC lamp groups into being respectively arranged at the both sides of molecular sieve module；Radiator, arranged on two processing unit
Between；Ozone filter device, the exhaust ports in babinet；VOCs concentration monitoring devices, arranged on babinet exhaust ports.
Further, the molecular sieve module is made of sorbing material and photocatalyst material.
Also, the photocatalyst material is nano-TiO2, the molecular sieve mould sorbing material in the block for nano zeolite or
Flyash.
Preferably, in the processing unit adjacent with ozone filter device, molecular sieve module is close to ozone equipment one side
Low pressure UVC lamps are unicast peak low pressure UVC lamps.
Preferably, between filter device and processing unit, it is additionally provided with radiator.
Preferably, if the radiator is dry heat pipe.
Also, the babinet or cabinet wall are made of minute surface SUS304 materials.
Using the processing unit of the middle low concentration VOCs gases of the utility model, the filtered device filtering of VOCs gases is dispelled
After particulate matter, into processing unit, make VOCs gases by UVC photodegradations, light excitation oxidation, ozone oxidation, molecular sieve absorption
With desorption, carried out sufficiently decomposing oxidation, then the UVC photodegradations residual ozone through unicast peak 253.7nm and passed through
After the filtering of ozone filter device, detection discharge.
In actual use, the VOCs gas temperatures that can be handled as needed are adjusted, if VOCs gas temperatures
Higher than 60 DEG C, then temperature control device can be set to radiate, before treatment reduce VOCs gas temperatures, to ensure that UVC luminous environments are stablized,
Treatment effect is good.
The utility model sets temperature regulating device in two groups of processing units, the waste heat mistake that can be simultaneously generated to avoid UVC illumination
It is more and influence treatment effect, if derived heat is more, it also may be recovered utilization, more energy saving；The utility model passes through mirror
Plane materiel matter and the adjusting of UVC light intensity output, optimize the light-catalysed treatment effeciencies of traditional UVC, improve the energy utilization of UVC lamps
Rate extends the service life of UVC fluorescent tubes.
The utility model is discharged again after being filtered using UVC photodegradations residual ozone and ozone filter device, is effectively kept away
Exempted from due to ozone concentration is excessively high and cause secondary pollution, discharge it is exceeded the problem of, meanwhile, exhaust section is provided with VOCs concentration
Real-time monitoring device, it is ensured that emission compliance.
Compared with prior art, the utility model has the advantages that：
1) using the utility model, the middle low concentration VOCs gases to volatilize in production can be handled well, and O＆M is simple, is not required to
It wants noble metal catalyst and gas compression, burn process, non-secondary pollution, advantage of lower cost is low dense in environmental protection industry (epi)
Degree VOCs gas treatments have great practical value.
2) the utility model device integrally takes up little area, and can arrange to save the throwing of pipeline and wind turbine layout indoors or roof
Enter, and effectively reduce the power consumption of induced draft fans.It when actual producing line is put into, can flexibly select, upgrading optimization is also very convenient, input
Cost is controllable, has good cost performance.
3) the utility model O＆M cost is low, and work efficiency is high, without any catalyst, additive, is also not required to gas pressure
Contracting and high temperature incineration.The sustainable use of molecular sieve adsorption and desorption module, does not generate solid waste, and energy consumption is relatively low；Securely and reliably,
Security risk of the total system without burning, explosion.
Description of the drawings
Fig. 1 is the VOCs gas treatment equipment schematic diagrames in the utility model embodiment.
Specific embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail.
Referring to Fig. 1, a kind of middle low concentration VOCs gas treatment equipments of the utility model, including：Babinet 1, both ends point
It She You not air inlet 101 and exhaust outlet 102；Along air inlet 101 to exhaust outlet 102 in babinet, successively equipped with filter device 2,
For strainer or filter membrane, at air inlet 101 in babinet 1；First, second processing unit 3,3 ', first processing units 3 are by molecule
Sieve module 31 and UVC lighting modules 32 form；The UVC lighting modules 32 are by several low pressure UVC lamp groups into being respectively arranged at
The both sides of molecular sieve module 31；Second processing unit 3 ' is made of molecular sieve module 31 ' and UVC lighting modules 32 ', 33 '；It dissipates
Thermal 4, between first, second processing unit 3,3 '；Ozone filter device 5, exhaust outlet 102 in babinet
Place；Wherein, in second processing unit 3 ', molecular sieve module leans on the low pressure UVC lamp groups 33 ' of 5 one side of ozone filter device, transmitting
Unicast peak 253.7nm ultraviolet lights are mainly used for carrying out molecular sieve module light-catalyzed reaction and decompose residual ozone；VOCs concentration
Monitoring device 6, at babinet exhaust outlet 102, connect digital displaying meter, while can with environmental protection administration's networking transport data, with reality
It is monitored when real.
Further, radiator 4 ' is arranged between filter device 2 and first processing units 3.
In the present embodiment, middle low concentration VOCs gases carry out initial filter by strainer or filter membrane, dispel particulate matter；After filtering
VOCs gases enter first processing units 3, carry out UVC light irradiation, with VOCs gases UVC photodegradations occur for UVC photons, light swashs
Hair oxidation, ozone oxidation and light-catalyzed reaction, VOCs gases pass through by sorbing material and photocatalyst material (such as nano-TiO2) system
Into molecular sieve module, adsorbed and be desorbed, VOCs gases enter second processing unit 3 ', again carry out UVC photons with
UVC photodegradations, light excitation oxidation, ozone oxidation and light-catalyzed reaction, VOCs gases, which occur, for VOCs gases passes through by sorbing material
And nano-TiO2Molecular sieve module made of photocatalyst, it is synchronous to realize absorption and desorption, then the UVC light through unicast peak 253.7nm
It decomposes residual ozone, by ozone filter device, is most discharged afterwards after VOCs Concentration Testings.
UVC fluorescent tubes and electric-control system melt electric light source technology (Shanghai) by coloured silk and have used in UVC light irradiation in the present embodiment
Limit company provides.
Further, if entered VOCs gas temperatures<50 DEG C, then it need not separately arrange heat pipe heat radiation.If entered VOCs
Gas temperature at 60~100 DEG C of sections, and in engineering in order to it is cost-effective, do not use heat pipe heat radiation, UVC light sources also may be used at this time
Using the low pressure amalgam vapour lamp of Cai Rong electric light source technologies (Shanghai) Co., Ltd., power density is higher, tolerance more high environment temperature,
It can be in 60~100 DEG C of good steady operations in section；If entered VOCs gas temperatures are 100 DEG C or more, need using temperature control system
System export waste heat is with sharp steady operation.
Claims (9)
1. a kind of processing unit of middle low concentration VOCs gases, which is characterized in that including,
Babinet, both ends are respectively equipped with air inlet and exhaust outlet；
In babinet, it is disposed with along air inlet to exhaust outlet direction：
Filter device is strainer or filter membrane, at air inlet in babinet；
At least two processing units, each processing unit are made of molecular sieve module and UVC lighting modules；The UVC lighting modules
By several low pressure UVC lamp groups into being respectively arranged at the both sides of molecular sieve module；
Radiator, between two processing unit；
Ozone filter device, the exhaust ports in babinet；
VOCs concentration monitoring devices, arranged on babinet exhaust ports.
2. the processing unit of middle low concentration VOCs gases according to claim 1, which is characterized in that in filter device and place
Between managing unit, radiator is additionally provided with.
3. the processing unit of middle low concentration VOCs gases according to claim 1 or 2, which is characterized in that the heat dissipation dress
If it is set to dry heat pipe.
4. the processing unit of middle low concentration VOCs gases according to claim 1, which is characterized in that the molecular sieve module
It is made of sorbing material and photocatalyst material.
5. the processing unit of middle low concentration VOCs gases according to claim 4, which is characterized in that the photocatalyst material
For nano-TiO2。
6. the processing unit of middle low concentration VOCs gases according to claim 4, which is characterized in that the molecular sieve module
Sorbing material be nano zeolite or flyash.
7. the processing unit of middle low concentration VOCs gases according to claim 1, which is characterized in that filled being filtered with ozone
It puts in adjacent processing unit, the low pressure UVC lamps of molecular sieve module close to ozone equipment one side are unicast peak low pressure UVC lamps.
8. according to the processing unit of low concentration VOCs gases in claim 1~2 or 4~7 any one of them, feature exists
In the babinet or cabinet wall are made of minute surface SUS304 materials.
9. the processing unit of middle low concentration VOCs gases according to claim 3, which is characterized in that the babinet or babinet
Inner wall is made of minute surface SUS304 materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721256020.0U CN207413119U (en) | 2017-09-28 | 2017-09-28 | A kind of processing unit of middle low concentration VOCs gases |
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| CN201721256020.0U CN207413119U (en) | 2017-09-28 | 2017-09-28 | A kind of processing unit of middle low concentration VOCs gases |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107569987A (en) * | 2017-09-28 | 2018-01-12 | 彩融电光源技术（上海）有限公司 | A kind of processing method and processing device of middle low concentration VOCs gases |
| CN109012142A (en) * | 2018-07-05 | 2018-12-18 | 杨柳锋 | A kind of lacquer spraying waste gas processing unit |
-
2017
- 2017-09-28 CN CN201721256020.0U patent/CN207413119U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107569987A (en) * | 2017-09-28 | 2018-01-12 | 彩融电光源技术（上海）有限公司 | A kind of processing method and processing device of middle low concentration VOCs gases |
| CN109012142A (en) * | 2018-07-05 | 2018-12-18 | 杨柳锋 | A kind of lacquer spraying waste gas processing unit |
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