CN207307604U - A kind of volatile organic compounds catalytic oxidation reaction device of lower resistance - Google Patents
A kind of volatile organic compounds catalytic oxidation reaction device of lower resistance Download PDFInfo
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- CN207307604U CN207307604U CN201721084044.2U CN201721084044U CN207307604U CN 207307604 U CN207307604 U CN 207307604U CN 201721084044 U CN201721084044 U CN 201721084044U CN 207307604 U CN207307604 U CN 207307604U
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Abstract
The utility model discloses a kind of volatile organic compounds catalytic oxidation reaction device of lower resistance, for purifying the exhaust gas of the volatile organic matter containing middle and high concentration, it includes reaction unit main body, the reaction unit main body both ends are respectively arranged with the gas access being connected with reaction unit body lumen and gas vent, the gas access is connected with exhaust piping, gas vent is connected with exhaust duct, it is also horizontally disposed in the inner cavity of the reaction unit main body to have catalyst module, airflow-distribution board is provided between the gas access and catalyst module, it is at least used to carry out gas distribution to the exhaust gas from gas access entered in reaction unit main body, make after exhaust gas bypassed air flow distribution grid that the internal pipeline of reacted apparatus main body enters catalyst module and reacted again.The structure design of the utility model is reasonable, avoids exhaust gas and passes through thicker catalyst layer, the overall pressure drop of reaction unit is reduced, so as to fulfill the high-efficient purification of volatile organic matter.
Description
Technical field
The utility model is related to waste gas purification technical field, and in particular to a kind of lower resistance containing volatile organic matter
Exhaust fume catalytic oxidation reaction apparatus, the purification available for the exhaust gas of the volatile organic matter containing middle and high concentration.
Background technology
With economic fast development, many industrial processes can produce a large amount of volatile organic matters (VOCs), such as oil
Paint the industries such as spraying, Printing ink producing, chemical industry, oil.These volatile organic matters have toxicity more, know from experience through respiratory tract into people
Harm health.At the same time, photochemical reaction occurs in an atmosphere for volatile organic matter, is to produce the secondary dirts such as ozone, PM2.5
Contaminate the main source of thing.Therefore, the purification to the exhaust gas containing volatile organic matter is to improve the main of China's air quality to appoint
Business.
At present, it is various containing low-concentration organic waste gas purifier species, wherein, catalytic oxidation technologies treatment effeciency
Height, good purification, is a kind of effective organic compounds purification technique.Catalyst oxidation reactor common at present mainly uses
Particle or honeycombed catalyst, reactor is based on horizontal or vertical.Wherein, catalyst Vertical Loading in horizontal reactor, stands
Formula catalyst reactor horizontal loading, under certain air speed, catalyst bed layer thickness is larger, causes reactor resistance big, makes
It is high into purifier power energy consumption.
Utility model content
The main purpose of the utility model is that provide a kind of volatile organic compounds catalytic oxidation of lower resistance
Device, the exhaust gas containing volatile organic matter are purified after the device, while the device is low with resistance, purification efficiency
The characteristics of high, to overcome deficiency of the prior art.
To realize object defined above, the technical solution adopted in the utility model includes：
The utility model embodiment provides a kind of volatile organic compounds catalytic oxidation reaction device of lower resistance, uses
In the exhaust gas of volatile organic matter of the purification containing middle and high concentration, it includes reaction unit main body, it is characterised in that the reaction
Device is horizontal type fixed bed reactor, and the reaction unit main body both ends are respectively arranged with and the reaction unit body lumen phase
The gas access of connection and gas vent, the gas access are connected with exhaust piping, the gas vent and exhaust duct
Be connected, it is also horizontally disposed in the inner cavity of the reaction unit main body to have more than one catalyst module, the gas access with
It is provided with airflow-distribution board between more than one catalyst module, the airflow-distribution board is at least used for from the gas access
Into in reaction unit main body the exhaust gas carry out gas distribution, make the exhaust gas bypass the airflow-distribution board after again through institute
The internal pipeline for stating reaction unit main body enters more than one described catalyst module and is reacted.
One of preferably, the reaction unit main body includes cuboid housing, and the housing forward end passes through
Diffuser is connected with exhaust piping, and the housing rear end is connected by collapsible tube with exhaust duct.
One of preferably, the catalyst module includes a plurality of levels being vertically spaced apart
Catalyst bed, is provided with the passage passed through for the exhaust gas between two neighboring catalyst bed, into catalyst module
The exhaust gas flow through the passage and the catalyst bed with passage both sides is reacted respectively.
It is furthermore preferred that along direction from the top down, the front end of first catalyst bed and the reaction unit main body
Top airtight connection, the rear end of first catalyst bed and the rear end airtight connection of second catalyst bed, second is urged
The front end of agent bed and the front end airtight connection or closed with the bottom of the reaction unit main body of the 3rd catalyst bed
Connection, and so on, in the case where n is even number more than or equal to 2, the front end of (n+1) a catalyst bed with n-th
The front end airtight connection of catalyst bed or the bottom airtight connection with the reaction unit main body, (n+1) a catalyst bed
The rear end airtight connection of rear end and (n+2) a catalyst bed of layer, and the front end of last catalyst bed with it is described
The bottom airtight connection of reaction unit main body.
Further, the quantity of the catalyst bed is 2~8, is preferably 2,4,6 or 8, especially preferably 4.
Further, the thickness of the catalyst bed is 20~100mm, is preferably 50mm.
Further, the catalyst bed includes catalyst and to load the sieve plate of the catalyst.
Further, the catalyst is granular or has a honeycomb structure.Specifically, the catalyst includes
Any one or two or more combinations in carried noble metal platinum or palladium, transition metal copper or cobalt or iron, cerium or lanthanum
Graininess or honeycombed catalyst.
One of preferably, the airflow-distribution board is vertically arranged, and the upper end of the airflow-distribution board with
Between the top of the reaction unit main body, between the bottom of the lower end of the airflow-distribution board and the reaction unit main body
Leave setting spacing.
One of preferably, the exhaust duct is connected with follow-up heat-exchanger rig.
Compared with prior art, include the advantages of the utility model：
The structure design of the utility model is reasonable, and the exhaust gas of the volatile organic matter containing middle and high concentration passes through airflow-distribution board
Gas is uniformly distributed with internal pipeline, the exhaust gas passes through catalyst bed up or down, under the action of catalyst, into
Row catalytic oxidation, organic matter and oxygen reaction generation carbon dioxide and water, the final qualified discharge of exhaust gas, avoid described useless
Gas passes through thicker catalyst layer, so as to reduce circulating resistance, reduces the overall pressure drop of reactor, overall presure drop is than traditional
The reactor of Vertical Loading 200mm catalyst declines more than 50%, while keeps higher purification efficiency, so as to fulfill volatility
The high-efficient purification of organic matter.
Brief description of the drawings
Fig. 1 is a kind of volatile organic compounds catalytic oxidation dress of lower resistance in the preferred embodiment in the utility model
The structure diagram put.
Description of reference numerals：1- housings；2- airflow-distribution boards；3- catalyst modules；A- airflow directions.
Embodiment
The technical solution of the utility model is carried out below in conjunction with attached drawing and some exemplary embodiments clear, complete
Description.
A kind of refering to Figure 1, volatile organic compounds catalytic oxidation dress of lower resistance for the present embodiment
Put, for purifying the exhaust gas of the volatile organic matter containing middle and high concentration, it includes reaction unit main body, and the reaction unit is
Horizontal type fixed bed reactor, the reaction unit main body both ends are respectively arranged with what is be connected with the reaction unit body lumen
Gas access and gas vent, the gas access are connected with exhaust piping, and the gas vent is connected with exhaust duct.
The reaction unit main body includes a stainless steel cuboid housing 1, and the housing forward end is connected by diffuser with exhaust piping
Logical, the housing rear end is connected by collapsible tube with exhaust duct, and the exhaust duct is connected with follow-up heat-exchanger rig.
Wherein, being horizontally disposed with the reaction unit body lumen has catalyst module 3, the gas access and catalysis
Airflow-distribution board 2 is provided between agent module 3, the airflow-distribution board is at least used to fill to entering reaction from the gas access
The exhaust gas put in main body carries out gas distribution, the exhaust gas is filled again through the reaction after bypassing the airflow-distribution board 2
The internal pipeline for putting main body enters catalyst module 3 and is reacted.The airflow-distribution board 2 (can also be known as baffle) is vertical
Set, and between the upper end of the airflow-distribution board 2 and the top of the reaction unit main body, the lower end of the airflow-distribution board
Setting spacing is left between the bottom of the reaction unit main body, is passed through for the exhaust gas.The exhaust gas enters reaction and fills
Postpone and bypass baffle, reacted through internal pipeline into catalyst bed.
Exhaust gas containing volatile organic matter (such as alcohols, ethers, esters, acrylonitrile, styrene etc.) is by being heated to
After predetermined reaction temperature, into reaction unit, carry out gas distribution through baffle first, then by reaction unit internal pipeline into
Enter horizontal catalyst bed to be reacted, under the action of catalyst, oxygen and organic matter reaction generation water and carbon dioxide, warp
Exhaust outlet is discharged into follow-up heat-exchanger rig.
The catalyst module 3 includes a plurality of horizontally disposed catalyst beds, is set between adjacent two catalyst bed
Be equipped with the passage passed through for the exhaust gas, into catalyst module the exhaust gas flow through the passage and respectively upwards and to
The lower catalyst bed with passage both sides is reacted.Specifically, along direction from the top down, before first catalyst bed
End and the top airtight connection of the reaction unit main body, the rear end of first catalyst bed and second catalyst bed
Rear end airtight connection, the front end airtight connection of the front end of second catalyst bed and the 3rd catalyst bed or with it is described anti-
The bottom airtight connection of apparatus main body is answered, and so on, in the case where n is even number more than or equal to 2, the (n+1) is a urges
Bottom closed company of the front end of agent bed with the front end airtight connection of n-th catalyst bed or with the reaction unit main body
Connect, the rear end of (n+1) a catalyst bed and the rear end airtight connection of (n+2) a catalyst bed, and last is urged
The front end of agent bed and the bottom airtight connection of the reaction unit main body.Further, the reaction unit preferably fills
There are four groups of horizontal positioned catalyst beds, the reacted device interior conduit of gas enters catalyst bed, respectively up and down
Reacted by catalyst bed, the gas collection after reaction is into reaction unit tail end collapsible tube, through outlet drain to row
Feed channel.The thickness of each catalyst bed is 50mm, and further, the catalyst bed includes catalyst and use
To load the sieve plate of the catalyst.Wherein, the catalyst include carried noble metal platinum or palladium, transition metal copper or cobalt or
The graininess or honeycombed catalyst of any one or two or more combinations in iron, cerium or lanthanum, but not limited to this.
The volatile organic compounds catalytic oxidation reaction device of the lower resistance of the utility model, catalyst are put for level
Put, be uniformly distributed gas by internal pipeline, it is the catalyst bed of 50mm by thickness respectively, so as to reduce anti-
The overall pressure drop of device is answered, overall presure drop declines more than 50% than the reactor of traditional Vertical Loading 200mm catalyst, realizes at the same time
The high-efficient purification of volatile organic matter.
Below by way of some embodiments and the technical solution of the utility model is further described with reference to attached drawing.However,
Selected embodiment is merely to illustrate the utility model, without limiting the scope of the utility model.
Embodiment 1：Wastewater disposal basin volatilization waste gas purification containing aromatic hydrocarbons
Containing 4000mg/m3The organic exhaust gas of benzene homologues is with 10000m3The flow velocity of/h, empty tower gas velocity is 0.5m/ in reactor
S, in the housing 1 for the organic exhaust gas catalytic oxidation reaction device for entering lower resistance by air supply duct, by expansion pipe, bypasses
Baffle 2, is divided into two by reacting internal pipeline, passes through the catalysis of horizontal positioned catalyst module 3 respectively up or down
Agent bed, on a catalyst, organic molecule and oxygen reaction, organic matter are oxidized to carbon dioxide and water so that in exhaust gas
Benzene series Concentrations drop to 10mg/m3Hereinafter, the concentration of wherein benzene is reduced to 1mg/m3Hereinafter, finally merge reacted device to go out
Mouth discharge.On this condition, reactor bed pressure drop is less than 200Pa, and the pressure drop being disposed vertically using 4 layers of 50mm catalyst is surpassed
Cross 1000Pa.
Comparative example 1：Wastewater disposal basin volatilization waste gas purification containing aromatic hydrocarbons, using Vertical Loading catalyst
Containing 4000mg/m3The organic exhaust gas of benzene homologues is with 10000m3The flow velocity of/h, empty tower gas velocity is 0.5m/ in reactor
S, is entering catalyst oxidation reactor by air supply duct, by expansion pipe, passes through the catalyst bed of Vertical Loading, catalysis
Agent thickness is 200mm, and on a catalyst, organic molecule and oxygen reaction, organic matter are oxidized to carbon dioxide and water so that
Benzene series Concentrations in exhaust gas drop to 10mg/m3Hereinafter, the concentration of wherein benzene is reduced to 1mg/m3Hereinafter, finally merge through anti-
Answer device outlet drain.On this condition, reactor bed pressure drop is 1000Pa.
Embodiment 2：Certain disposal of coking plant waste water pond organic waste-gas purification
Disposal of coking plant waste water produce organic exhaust gas complicated, mainly using benzene,toluene,xylene, phenol, naphthalene as
Main, non-methane total hydrocarbons concentration is 300mg/m3, have obvious stink, after over-molecular sieve Adsorption Concentration, concentration is brought up to the exhaust gas
3000mg/m3, the organic exhaust gas after concentration is with 15000m3The flow velocity of/h, empty tower gas velocity is 0.8m/s in reactor, is being passed through
Air supply duct enters the housing 1 of the organic exhaust gas catalytic oxidation reaction device of lower resistance, by expansion pipe, around baffle 2, leads to
Reaction internal pipeline is crossed to be divided into two, up or down respectively by the catalyst bed of horizontal positioned catalyst module 3,
On catalyst, organic molecule and oxygen reaction, oxidation operation is into carbon dioxide and water so that the non-methane total hydrocarbons in exhaust gas
Concentration drops to 5mg/m3Hereinafter, the concentration of wherein benzene drops to 1mg/m3Hereinafter, finally merge reacted device outlet drain, give up
Gas odorless.On this condition, reactor bed pressure drop is less than 200Pa.
Embodiment 3：Certain acrylonitrile-butadiene-styrene copolymer (ABS) process units exhaust gas
The exhaust gas of ABS process units mainly contains acrylonitrile, styrene, is exhaled from ABS vacuum volatilizations and acrylonitrile storage tank
It is 50000mg/m to inhale non-methane total hydrocarbons concentration in the exhaust gas of valve3, the wherein concentration of acrylonitrile is 20000mg/m3, it is high-concentration waste
Gas, there is obvious peculiar smell, and organic exhaust gas concentration after dilution is reduced to 5000mg/m3, with 20000m3The flow velocity of/h, is reacting
Empty tower gas velocity is 1.0m/s in device, in the housing for the organic exhaust gas catalytic oxidation reaction device for entering lower resistance by air supply duct
1, by expansion pipe, around baffle 2, it is divided into two by reacting internal pipeline, up or down respectively by horizontal positioned
Catalyst module 3 catalyst bed, on a catalyst, organic molecule and oxygen reaction, oxidation operation is into titanium dioxide
Carbon and water so that the non-methane total hydrocarbons concentration in exhaust gas drops to 20mg/m3Hereinafter, the concentration of wherein acrylonitrile drops to
0.5mg/m3Hereinafter, reacted device outlet drain, exhaust gas odorless are finally merged.On this condition, reactor bed pressure drop is small
In 200Pa.
Embodiment 4：Certain printing equipment exhaust gas
Printing equipment exhaust gas mainly contains the volatile organic matters such as ethyl acetate, butyl acetate and isopropanol, non-in exhaust gas
Methane total hydrocarbon concentration is 300mg/m3, after over-molecular sieve or activated carbon adsorption concentration, concentration is promoted to the organic exhaust gas
3000mg/m3, with 30000m3The flow velocity of/h, empty tower gas velocity is 1.5m/s in reactor, is entering low-resistance by air supply duct
The housing 1 of the organic exhaust gas catalytic oxidation reaction device of power, by expansion pipe, around baffle 2, by reacting internal pipeline one
It is divided into two, passes through the catalyst bed of horizontal positioned catalyst module 3, on a catalyst, organic matter respectively up or down
Molecule and oxygen reaction, oxidation operation is into carbon dioxide and water so that the non-methane total hydrocarbons concentration in exhaust gas drops to 15mg/
m3Hereinafter, reacted device outlet drain, exhaust gas odorless are finally merged.On this condition, reactor bed pressure drop is less than
200Pa。
Embodiment 5：Certain rubber Process Technology of Polymer device exhaust gas
Rubber processing equipment exhaust gas mainly contains hexane, pentane volatile organic matter, and non-methane total hydrocarbons concentration is in exhaust gas
200mg/m3, for the organic exhaust gas after over-molecular sieve or activated carbon adsorption concentration, concentration is promoted to 3000mg/m3, with 30000m3/
The flow velocity of h, empty tower gas velocity is 1.5m/s in reactor, and the organic exhaust gas catalysis oxidation of lower resistance is being entered by air supply duct
The housing 1 of reaction unit, by expansion pipe, around baffle 2, is divided into two by reacting internal pipeline, divided up or down
Not by the catalyst bed of horizontal positioned catalyst module 3, on a catalyst, organic molecule and oxygen reaction are organic
Thing is oxidized to carbon dioxide and water so that the non-methane total hydrocarbons concentration in exhaust gas drops to 15mg/m3Hereinafter, finally merge through anti-
Answer device outlet drain, exhaust gas odorless.On this condition, reactor bed pressure drop is less than 200Pa.
Embodiment 6：Certain oil paint coating device exhaust gas
Oil paint coating device exhaust gas mainly contains dimethylbenzene, ethyl acetate volatile organic matter, non-methane total hydrocarbons in exhaust gas
Concentration is 200mg/m3, for the organic exhaust gas after over-molecular sieve or activated carbon adsorption concentration, concentration is promoted to 2000mg/m3, with
30000m3The flow velocity of/h, empty tower gas velocity is 1.5m/s in reactor, and the organic exhaust gas of lower resistance is being entered by air supply duct
The housing 1 of catalytic oxidation reaction device, by expansion pipe, around baffle 2, is divided into two, upwards by reacting internal pipeline
Or downwards respectively by the catalyst bed of horizontal positioned catalyst module 3, on a catalyst, organic molecule is anti-with oxygen
Should, oxidation operation is into carbon dioxide and water so that the non-methane total hydrocarbons concentration in exhaust gas drops to 15mg/m3Hereinafter, finally
Merge reacted device outlet drain, exhaust gas odorless.On this condition, reactor bed pressure drop is less than 200Pa.
Embodiment 7：Certain production device for acrylic nitrile tail gas from absorption tower
Contain the organic matters, wherein propane, propylene such as propane, propylene, acrylonitrile in production device for acrylic nitrile tail gas from absorption tower
Concentration be 4000mg/m3, acrylonitrile concentration 300mg/m3, with 30000m3The flow velocity of/h, empty tower gas velocity is in reactor
1.5m/s, in the housing 1 for the organic exhaust gas catalytic oxidation reaction device for entering lower resistance by air supply duct, is managed by expansion
Road, around baffle 2, is divided into two by reacting internal pipeline, passes through horizontal positioned catalyst module 3 respectively up or down
Catalyst bed, on a catalyst, organic molecule and oxygen reaction, oxidation operation is into carbon dioxide and water so that useless
Non-methane total hydrocarbons concentration in gas drops to 15mg/m3Hereinafter, acrylonitrile concentration is down to 0.5mg/m3Hereinafter, finally merge through anti-
Answer device outlet drain, exhaust gas odorless.On this condition, reactor bed pressure drop is less than 200Pa.
Embodiment 8：Certain benzene,toluene,xylene, ethylbenzene, styrene storage tank breather valve tail gas
Contain the organic matters such as benzene,toluene,xylene, ethylbenzene, styrene in benzene homologues storage tank breather valve exhaust gas, after condensed
Its content is 10000-20000mg/m3, exhaust gas concentration after dilution is down to 5000mg/m3, with 20000m3The flow velocity of/h,
Empty tower gas velocity is 1.0m/s in reactor, and the organic exhaust gas catalytic oxidation reaction device of lower resistance is being entered by air supply duct
Housing 1, by expansion pipe, around baffle 2, is divided into two by reacting internal pipeline, passes through level respectively up or down
The catalyst bed of the catalyst module 3 of placement, on a catalyst, organic molecule and oxygen reaction, oxidation operation is into two
Carbonoxide and water so that the non-methane total hydrocarbons concentration in exhaust gas drops to 15mg/m3Hereinafter, benzene concentration is down to 1.0mg/m3Hereinafter,
Finally merge reacted device outlet drain, exhaust gas odorless.On this condition, reactor bed pressure drop is less than 200Pa.
By above-mentioned technical proposal, in the present embodiment, organic exhaust gas passes through airflow-distribution board and internal pipeline by gas
It is uniformly distributed, organic exhaust gas passes through catalyst bed up or down, under the action of catalyst, carries out catalytic oxidation,
Organic matter and oxygen reaction generation carbon dioxide and water, the final qualified discharge of exhaust gas, avoid organic exhaust gas and are urged through thicker
Agent layer, so as to reduce circulating resistance, reduces the overall pressure drop of reactor, overall presure drop is than traditional Vertical Loading 200mm
The reactor of catalyst declines more than 50%, while keeps higher purification efficiency, so as to fulfill the efficient of volatile organic matter
Purification.
The technology contents and technical characteristic of the utility model have revealed that as above, but those skilled in the art still may be used
Teaching and announcement that can be based on the utility model and make a variety of replacements and modification without departing substantially from the utility model spirit, therefore, this
Utility model protection scope should be not limited to the revealed content of embodiment, and should include the various replacements without departing substantially from the utility model
And modification, and covered by present patent application claim.
Claims (10)
- A kind of 1. volatile organic compounds catalytic oxidation reaction device of lower resistance, for purifying the volatilization containing middle and high concentration The exhaust gas of property organic matter, it includes reaction unit main body, it is characterised in that and the reaction unit is horizontal type fixed bed reactor, The reaction unit main body both ends are respectively arranged with the gas access being connected with the reaction unit body lumen and gas goes out Mouthful, the gas access is connected with exhaust piping, and the gas vent is connected with exhaust duct, the reaction unit main body Inner cavity in it is also horizontally disposed have more than one catalyst module, set between the gas access and more than one catalyst module It is equipped with airflow-distribution board, the airflow-distribution board is at least used for described in entering from the gas access in reaction unit main body Exhaust gas carries out gas distribution, makes the exhaust gas around the internal pipeline after the airflow-distribution board again through the reaction unit main body Into more than one described catalyst module and reacted.
- 2. the volatile organic compounds catalytic oxidation reaction device of lower resistance according to claim 1, it is characterised in that： The reaction unit main body includes cuboid housing, and the housing forward end is connected by diffuser with exhaust piping, the shell Body rear end is connected by collapsible tube with exhaust duct.
- 3. the volatile organic compounds catalytic oxidation reaction device of lower resistance according to claim 1, it is characterised in that： The catalyst module includes a plurality of horizontal catalyst beds being vertically spaced apart, two neighboring catalyst bed Between be provided with the passage passed through for the exhaust gas, into catalyst module the exhaust gas flow through the passage and respectively with The catalyst bed of passage both sides is reacted.
- 4. the volatile organic compounds catalytic oxidation reaction device of lower resistance according to claim 3, it is characterised in that： Along direction from the top down, the front end of first catalyst bed and the top airtight connection of the reaction unit main body, first The rear end of a catalyst bed and the rear end airtight connection of second catalyst bed, the front end of second catalyst bed and the The front end airtight connection of three catalyst beds or the bottom airtight connection with the reaction unit main body, and so on, it is in n In the case of even number more than or equal to 2, the front end and the front end of n-th of catalyst bed of (n+1) a catalyst bed are close Connection or the bottom airtight connection with the reaction unit main body are closed, the rear end of (n+1) a catalyst bed and (n+2) are a The rear end airtight connection of catalyst bed, and the front end of last catalyst bed and the bottom of the reaction unit main body are close Close connection.
- 5. the volatile organic compounds catalytic oxidation reaction device of lower resistance according to claim 4, it is characterised in that： The quantity of the catalyst bed is 2~8.
- 6. the volatile organic compounds catalytic oxidation reaction device of lower resistance according to claim 4, its feature exist In：The thickness of the catalyst bed is 20~100mm.
- 7. the volatile organic compounds catalytic oxidation reaction device of the lower resistance according to any one of claim 3-6, It is characterized in that：The catalyst bed includes catalyst and to load the sieve plate of the catalyst.
- 8. the volatile organic compounds catalytic oxidation reaction device of lower resistance according to claim 7, it is characterised in that： The catalyst is granular or has a honeycomb structure.
- 9. the volatile organic compounds catalytic oxidation dress of the lower resistance according to any one of claim 1-6,8 Put, it is characterised in that：The airflow-distribution board is vertically arranged, and the upper end of the airflow-distribution board and the reaction unit main body Top between, between the bottom of the lower end of the airflow-distribution board and the reaction unit main body leave setting spacing.
- 10. the volatile organic compounds catalytic oxidation reaction device of lower resistance according to claim 2, its feature exist In：The exhaust duct is connected with follow-up heat-exchanger rig.
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| CN201721084044.2U CN207307604U (en) | 2017-08-28 | 2017-08-28 | A kind of volatile organic compounds catalytic oxidation reaction device of lower resistance |
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| CN201721084044.2U CN207307604U (en) | 2017-08-28 | 2017-08-28 | A kind of volatile organic compounds catalytic oxidation reaction device of lower resistance |
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| CN207307604U true CN207307604U (en) | 2018-05-04 |
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| CN201721084044.2U Expired - Fee Related CN207307604U (en) | 2017-08-28 | 2017-08-28 | A kind of volatile organic compounds catalytic oxidation reaction device of lower resistance |
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Address after: 215000 No. 3688, Chengyang Road, Weitang Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: SUZHOU (XIANGCHENG) Research Institute BUCT Patentee after: TIANJIN LIANSHENG YIZHONG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Patentee after: Suzhou Zhongmai New Energy Technology Co.,Ltd. Patentee after: SUZHOU HUANSHENLI ENERGY SAVING ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Address before: 215000 No. 3688, Chengyang Road, Weitang Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU (XIANGCHENG) Research Institute BUCT Patentee before: TIANJIN LIANSHENG YIZHONG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Patentee before: SUZHOU MOEWE ENVIRONMENTAL ENGINEERING Co.,Ltd. Patentee before: SUZHOU HUANSHENLI ENERGY SAVING ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 |