CN209423337U - A kind of plant gas processing VOC purification apparatus based on photooxidation catalysis technique - Google Patents
A kind of plant gas processing VOC purification apparatus based on photooxidation catalysis technique Download PDFInfo
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- CN209423337U CN209423337U CN201822020047.0U CN201822020047U CN209423337U CN 209423337 U CN209423337 U CN 209423337U CN 201822020047 U CN201822020047 U CN 201822020047U CN 209423337 U CN209423337 U CN 209423337U
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- exhaust gas
- filter
- photooxidation
- equipment
- filtering
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The utility model discloses a kind of, and the plant gas based on photooxidation catalysis technique is handled with VOC purification apparatus, enter subtube including exhaust gas, exhaust gas enters main pipeline, waste gas circulation screen pipe, photooxidation catalytic filtration equipment, VOC concentration detector and secondary filter equipment, air inlet fixed installation exhaust gas enters main pipeline one end on the left of the photooxidation catalytic filtration equipment, exhaust gas, which enters the main pipeline other end several exhaust gas are fixedly mounted by interconnecting piece, enters subtube, filtering exhaust emission tube one end is fixedly mounted in photooxidation catalytic filtration equipment right side air-out mouth, it filters the exhaust emission tube other end and secondary filter equipment is fixedly mounted, one end of waste gas circulation screen pipe is fixedly mounted in the top for filtering exhaust emission tube, the other end of waste gas circulation screen pipe is connected to another air inlet at the top of photooxidation catalytic filtration equipment, in waste gas circulation screen pipe Setting waste gas circulation filters the blower equipment and to VOC exhaust gas can be filtered for multiple times reaching discharge standard.
Description
Technical field
The utility model relates to VOC purified treatment field, at specifically a kind of plant gas based on photooxidation catalysis technique
Reason VOC purification apparatus.
Background technique
Existing plant gas is handled with VOC purification apparatus when being handled by photooxidation catalysis technique exhaust gas,
Often only in light sun catalytic unit single treatment is carried out, treated, and that exhaust gas may be unable to reach is net using photooxidation catalysis technique
The maximum value for changing processing treatment effect, due to there was only the treatment effeciency of 45%-70%, institute when photooxidation catalysis technique handles VOC exhaust gas
Reach the ideal effect of VOC exhaust-gas treatment to need handle again to treated VOC exhaust gas.
Utility model content
At the plant gas processing VOC purification based on photooxidation catalysis technique that the purpose of this utility model is to provide a kind of
Equipment is managed, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions:
A kind of plant gas processing VOC purification apparatus based on photooxidation catalysis technique, including exhaust gas entrance are in charge of
Road, exhaust gas enter main pipeline, waste gas circulation screen pipe, photooxidation catalytic filtration equipment, VOC concentration detector and secondary filter and set
Standby, air inlet is fixedly installed with one end that exhaust gas enters main pipeline on the left of the photooxidation catalytic filtration equipment, and exhaust gas enters supervisor
The other end in road is fixedly installed with several exhaust gas by interconnecting piece and enters subtube, and exhaust gas enters subtube and exhaust gas enters supervisor
Road is interconnected, and exhaust gas enters subtube end equipped with exhaust gas entrance, and the exhaust gas, which enters on subtube, is provided with exhaust gas sucking
Blower, photooxidation catalytic filtration equipment right side air-out mouth are fixedly installed with one end of filtering exhaust emission tube and and filtering exhaust gas discharge
Pipe connection, the other end for filtering exhaust emission tube are fixedly installed with secondary filter equipment and are connected to secondary filter equipment inside,
The top of the filtering exhaust emission tube is equipped with the one end for being open and being fixedly installed with waste gas circulation screen pipe, waste gas circulation filtering
The other end of pipe is connected to another air inlet at the top of photooxidation catalytic filtration equipment, is provided with VOC in the filtering exhaust emission tube
Concentration detector, VOC concentration detector is located at the filtering open-topped left side of exhaust emission tube, described to be circulated throughout setting in chimney filter
There is the first motor-driven valve, the second electrically operated valve is provided in the filtering exhaust emission tube, the second electrically operated valve is located at filtering exhaust gas
Discharge pipe open-topped right side is provided with waste gas circulation filtering blower, the filtering exhaust gas in the waste gas circulation screen pipe
Exhaust gas discharge blower is provided in discharge pipe, the secondary filter equipment includes arc filter plate and filter holder, secondary filter
Opening is equipped on the left of equipment, the top on the inside of secondary filter equipment is fixedly installed with the top of arc filter plate, and secondary filter is set
Standby inside bottom is fixedly installed with the bottom of arc filter plate, extends transversely through on arc filter plate and offers several filter hole, mistake
Covering is equipped with activated carbon filter layer on filter opening surrounding inner wall, is provided with several filter holders, mistake in the secondary filter equipment
The two sides of filter bracket, which cover, is equipped with non-woven fabrics strainer, and the fixed blackout in the top and bottom of filter holder is equipped with limit
Plate, the limit plate clamping positioned at filter holder bottom are placed in the slot that secondary filter equipment inside bottom opens up, and are located at filtering
The limit plate sliding of cradle top is placed in the through slot opened up at the top of secondary filter equipment.
As a further solution of the present invention: the limit plate top at the top of the filter holder is fixedly installed with hand
Handle, the secondary filter equipment right side opening are equipped with air outlet.
The exhaust gas sucking blower includes Fan Box and fan main body, wind as a further solution of the present invention,
The inside top of machine box is fixedly installed with fan main body, and through air inlet is offered, the top of Fan Box is run through for Fan Box bottom
Air outlet is offered, waste gas circulation, which filters blower and exhaust gas discharge blower, to be had and the exhaust gas sucking identical structure of blower.
Photooxidation catalytic filtration equipment bottom is fixedly installed with support as a further solution of the present invention,
Leg.
Display is provided with outside the VOC concentration detector as a further solution of the present invention,.
Compared with prior art, the utility model has the beneficial effects that exhaust gas is sucked by using exhaust gas sucking blower
Exhaust gas enters in subtube, then is delivered in photooxidation catalytic filtration equipment and is handled using photooxidation catalysis technique exhaust gas, place
Exhaust gas after reason detects exhaust gas concentration by VOC concentration detector via when filtering exhaust emission tube discharge, works as detection
As a result when not up to standard, enabling waste gas circulation filtering blower, which imports exhaust gas again in photooxidation catalytic filtration equipment, recycle only
Change, until up to standard, so that exhaust gas concentration of emission is precisely reached setting value by multiple circulating filtration, it is up to standard after exhaust gas
It is expelled in secondary filter equipment, second adsorption is carried out to remaining harmful substance by activated carbon filter layer and non-woven fabrics strainer,
To make exhaust-gas treatment purify more thorough, purified air is cleaner.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that VOC purification apparatus is used in the plant gas processing based on photooxidation catalysis technique.
Fig. 2 is secondary filter equipment in the plant gas processing VOC purification apparatus based on photooxidation catalysis technique
Structural schematic diagram.
Fig. 3 is that exhaust gas sucks blower in the plant gas processing VOC purification apparatus based on photooxidation catalysis technique
Structural schematic diagram.
Fig. 4 is the side view of filter holder in the plant gas processing VOC purification apparatus based on photooxidation catalysis technique
Figure.
In figure: exhaust gas entrance 1, exhaust gas sucking blower 2, exhaust gas enter subtube 3, interconnecting piece 4, exhaust gas enter main pipeline 5,
Waste gas circulation filters blower 6, waste gas circulation screen pipe 7, the first motor-driven valve 8, filtering exhaust emission tube 9, control air valve 10, photooxidation
Blower is discharged in catalytic filtration equipment 11, supporting leg 12, VOC concentration detector 13, display 14, the second electrically operated valve 15, exhaust gas
16, secondary filter equipment 17, handle 18, non-woven fabrics strainer 19, filter holder 20, limit plate 21, activated carbon filter layer 22, arc
Filter plate 23, filter hole 24, fan main body 25 and Fan Box 26.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~4, in the utility model embodiment, a kind of plant gas based on photooxidation catalysis technique, which is handled, to be used
VOC purification apparatus, including exhaust gas entrance 1, exhaust gas sucking blower 2, exhaust gas enter subtube 3, interconnecting piece 4, exhaust gas and enter
Main pipeline 5, waste gas circulation filtering blower 6, waste gas circulation screen pipe 7, the first motor-driven valve 8, filtering exhaust emission tube 9, control air-valve
Door 10, photooxidation catalytic filtration equipment 11, supporting leg 12, VOC concentration detector 13, display 14, the second electrically operated valve 15, exhaust gas
Blower 16, secondary filter equipment 17, handle 18, non-woven fabrics strainer 19, filter holder 20, limit plate 21, active carbon filtering is discharged
Layer 22, arc filter plate 23, filter hole 24, fan main body 25 and Fan Box 26,11 left side of photooxidation catalytic filtration equipment into
Air port is fixedly installed with one end that exhaust gas enters main pipeline 5, and the other end that exhaust gas enters main pipeline 5 passes through the fixed peace of interconnecting piece 4
Enter subtube 3 equipped with several exhaust gas, exhaust gas enters subtube 3 and exhaust gas enters main pipeline 5 and is interconnected, and exhaust gas enters and is in charge of
3 end of road is equipped with exhaust gas entrance 1, and the exhaust gas, which enters on subtube 3, is provided with exhaust gas sucking blower 2, and photooxidation oxidation catalyst filter is set
Standby 11 right side air-out mouths are fixedly installed with one end of filtering exhaust emission tube 9 and are connected to filtering exhaust emission tube 9, filter exhaust gas
The other end of discharge pipe 9 be fixedly installed with secondary filter equipment 17 and be connected to inside secondary filter equipment 17, the filtering is useless
The top of gas discharge pipe 9, which is equipped with, is open and is fixedly installed with one end of waste gas circulation screen pipe 7, waste gas circulation screen pipe 7 it is another
One end is connected to another air inlet at the top of photooxidation catalytic filtration equipment, and the inspection of VOC concentration is provided in the filtering exhaust emission tube 9
Device 13 is surveyed, VOC concentration detector 13, which is located at, filters the open-topped left side of exhaust emission tube 9, in the waste gas circulation screen pipe 7
It is provided with the first motor-driven valve 8, the second electrically operated valve 15, the second electrically operated valve 15 are provided in the filtering exhaust emission tube 9
In the filtering open-topped right side of exhaust emission tube 9, waste gas circulation filtering blower 6 is provided in the waste gas circulation screen pipe 7,
Exhaust gas discharge blower 16 is provided in the filtering exhaust emission tube 9, the secondary filter equipment 17 includes arc filter plate 23
With filter holder 20, opening is equipped on the left of secondary filter equipment 17, the top of 17 inside of secondary filter equipment is fixedly installed with arc
The top of shape filter plate 23,17 inside bottom of secondary filter equipment are fixedly installed with the bottom of arc filter plate 23, arc filtering
It being extended transversely through on plate 23 and offers several filter hole 24, covering is equipped with activated carbon filter layer 22 on 24 surrounding inner wall of filter hole,
Several filter holders 20 are provided in the secondary filter equipment 17, the two sides of filter holder 20, which cover, is equipped with non-woven fabrics filter
Net 19, the fixed blackout in the top and bottom of filter holder 20 are equipped with limit plate 21, the limit positioned at 20 bottom of filter holder
The clamping of plate 21 is placed in the slot that 17 inside bottom of secondary filter equipment opens up, and the limit plate 21 positioned at 20 top of filter holder is sliding
It is dynamic to be placed in the through slot opened up at the top of secondary filter equipment 17, fixed peace at the top of the limit plate 21 at 20 top of filter holder
Equipped with handle 18,17 right side opening of secondary filter equipment is equipped with air outlet, and the exhaust gas sucking blower 2 includes 26 He of Fan Box
Fan main body 25, the inside top of Fan Box 26 are fixedly installed with fan main body 25, and 26 bottom of Fan Box, which is run through, offers air inlet
Mouthful, the top of Fan Box 26 is through air outlet is offered, and waste gas circulation filters blower 6 and exhaust gas discharge blower 16 has and exhaust gas
The identical structure of blower 2 is sucked, 11 bottom of photooxidation catalytic filtration equipment is fixedly installed with supporting leg 12, the VOC
It is provided with display 14 outside concentration detector 13, at the plant gas processing VOC purification based on photooxidation catalysis technique
Equipment is managed, each exhaust gas enters the place that subtube 3 is distributed in plant gas generation, and 1 face exhaust gas of each exhaust gas entrance
Drain position sucks blower 2 by exhaust gas and enters exhaust gas sucking exhaust gas in subtube 3, enters subtube 3 by exhaust gas and convey
Enter in main pipeline 5 to exhaust gas, is delivered in photooxidation catalytic filtration equipment 11 entering main pipeline 5 by exhaust gas, passes through photooxidation
Catalysis handles exhaust gas, and photooxidation catalysis technique excitation catalyst under the light irradiation of certain wavelength generates electron hole
Right, the water of hole decomposition catalyst adsorption generates hydroxyl radical free radical, and electronics makes the oxygen in reducing atmosphere, forms peroxidating
Hydrogen, to have extremely strong redox ability, to be adsorbed using its Strong oxdiative reducing power to exhaust gas and pass through oxygen
Change reduction reaction and neutralization decomposition is carried out to it, treated, and exhaust gas is discharged via filtering exhaust emission tube 9, examines by VOC concentration
Exhaust gas concentration is detected when surveying device 13, when testing result is not up to standard, it is electronic to close the second electrically operated valve 15 opening first
Valve 8, enabling waste gas circulation filtering blower 6 imports exhaust gas in photooxidation catalytic filtration equipment 11 again to be purified, until up to standard
Until, it is up to standard after exhaust gas from filtering exhaust emission tube 9 in be expelled in secondary filter equipment 17, since photooxidation oxidation catalyst filter is set
Standby 11 treatment effeciency only has 45% to 70%, so needing to pass through activated carbon filter layer 22 by treatment and purification again to exhaust gas
The harmful substance in exhaust gas is adsorbed, then harmful substance is absorbed again by non-woven fabrics strainer 19, to make exhaust-gas treatment
Purify more thorough, purified air is cleaner.
It is purified the working principle of the utility model is: being handled using the plant gas based on photooxidation catalysis technique with VOC
Processing equipment, each exhaust gas enters the place that subtube 3 is distributed in plant gas generation, and 1 face of each exhaust gas entrance is useless
Gas drain position sucks blower 2 by exhaust gas and enters exhaust gas sucking exhaust gas in subtube 3, and it is defeated to enter subtube 3 by exhaust gas
It send to exhaust gas and enters in main pipeline 5, be delivered in photooxidation catalytic filtration equipment 11 entering main pipeline 5 by exhaust gas, pass through light
Oxygen catalysis handles exhaust gas, and photooxidation catalysis technique excitation catalyst under the light irradiation of certain wavelength generates electron hole
Right, the water of hole decomposition catalyst adsorption generates hydroxyl radical free radical, and electronics makes the oxygen in reducing atmosphere, forms peroxidating
Hydrogen, to have extremely strong redox ability, to be adsorbed using its Strong oxdiative reducing power to exhaust gas and pass through oxygen
Change reduction reaction and neutralization decomposition is carried out to it, treated, and exhaust gas is discharged via filtering exhaust emission tube 9, examines by VOC concentration
Exhaust gas concentration is detected when surveying device 13, when testing result is not up to standard, it is electronic to close the second electrically operated valve 15 opening first
Valve 8, enabling waste gas circulation filtering blower 6 imports exhaust gas in photooxidation catalytic filtration equipment 11 again to be purified, until up to standard
Until, it is up to standard after exhaust gas from filtering exhaust emission tube 9 in be expelled in secondary filter equipment 17, since photooxidation oxidation catalyst filter is set
Standby 11 treatment effeciency only has 45% to 70%, so needing to pass through activated carbon filter layer 22 by treatment and purification again to exhaust gas
The harmful substance in exhaust gas is adsorbed, then harmful substance is absorbed again by non-woven fabrics strainer 19, to make exhaust-gas treatment
Purify more thorough, purified air is cleaner.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (5)
1. a kind of plant gas processing based on photooxidation catalysis technique uses VOC purification apparatus, including exhaust gas to enter subtube
(3), exhaust gas enters main pipeline (5), waste gas circulation screen pipe (7), photooxidation catalytic filtration equipment (11), VOC concentration detector
(13) and secondary filter equipment (17), which is characterized in that air inlet is fixedly mounted on the left of the photooxidation catalytic filtration equipment (11)
There is exhaust gas to enter one end of main pipeline (5), the other end that exhaust gas enters main pipeline (5) passes through interconnecting piece (4) if being fixedly installed with
Dry exhaust gas enters subtube (3), and exhaust gas enters subtube (3) and exhaust gas enters main pipeline (5) and is interconnected, and exhaust gas enters and is in charge of
Road (3) end is equipped with exhaust gas entrance (1), and the exhaust gas, which enters on subtube (3), is provided with exhaust gas sucking blower (2), and photooxidation is urged
Change one end and and filtering exhaust emission tube that filter plant (11) right side air-out mouth is fixedly installed with filtering exhaust emission tube (9)
(9) be connected to, filtering exhaust emission tube (9) the other end be fixedly installed with secondary filter equipment (17) and with secondary filter equipment
(17) internal connection, the top of filtering exhaust emission tube (9), which is equipped with, to be open and is fixedly installed with waste gas circulation screen pipe (7)
One end, the other end of waste gas circulation screen pipe (7) is connected to another air inlet at the top of photooxidation catalytic filtration equipment, the filtering
It is provided with VOC concentration detector (13) in exhaust emission tube (9), VOC concentration detector (13) is located at filtering exhaust emission tube (9)
Open-topped left side, the waste gas circulation screen pipe (7) is interior to be provided with the first motor-driven valve (8), the filtering exhaust emission tube
(9) it is provided with the second electrically operated valve (15) in, the second electrically operated valve (15) is located at filtering exhaust emission tube (9) open-topped right side
Side, the waste gas circulation screen pipe (7) is interior to be provided with waste gas circulation filtering blower (6), sets in the filtering exhaust emission tube (9)
It is equipped with exhaust gas discharge blower (16), the secondary filter equipment (17) includes arc filter plate (23) and filter holder (20), and two
Opening is equipped on the left of secondary filter plant (17), the top on the inside of secondary filter equipment (17) is fixedly installed with arc filter plate (23)
Top, secondary filter equipment (17) inside bottom is fixedly installed with the bottom of arc filter plate (23), arc filter plate (23)
On extend transversely through and offer several filter hole (24), covering is equipped with activated carbon filter layer on filter hole (24) surrounding inner wall
(22), it is provided with several filter holders (20) in the secondary filter equipment (17), the two sides of filter holder (20) cover peace
Equipped with non-woven fabrics strainer (19), the fixed blackout in the top and bottom of filter holder (20) is equipped with limit plate (21), is located at
Limit plate (21) clamping of filter bracket (20) bottom is placed in the slot that secondary filter equipment (17) inside bottom opens up, and is located at
Limit plate (21) sliding at the top of filter bracket (20) is placed in the through slot opened up at the top of secondary filter equipment (17).
2. the plant gas processing VOC purification apparatus according to claim 1 based on photooxidation catalysis technique, special
Sign is, is fixedly installed with handle (18) at the top of the limit plate (21) at the top of the filter holder (20), the secondary filter is set
Standby (17) right side opening is equipped with air outlet.
3. the plant gas processing VOC purification apparatus according to claim 1 based on photooxidation catalysis technique, special
Sign is that exhaust gas sucking blower (2) includes Fan Box (26) and fan main body (25), and the inside top of Fan Box (26) is solid
Dingan County is equipped with fan main body (25), and through air inlet is offered, the top of Fan Box (26), which is run through, to be opened up for Fan Box (26) bottom
There is air outlet, waste gas circulation filters blower (6) and exhaust gas discharge blower (16) with identical with exhaust gas sucking blower (2)
Structure.
4. the plant gas processing VOC purification apparatus according to claim 1 based on photooxidation catalysis technique, described
Photooxidation catalytic filtration equipment (11) bottom is fixedly installed with supporting leg (12).
5. the plant gas processing VOC purification apparatus according to claim 1 based on photooxidation catalysis technique, described
Display (14) are provided with outside VOC concentration detector (13).
Priority Applications (1)
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CN201822020047.0U CN209423337U (en) | 2018-12-04 | 2018-12-04 | A kind of plant gas processing VOC purification apparatus based on photooxidation catalysis technique |
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CN201822020047.0U CN209423337U (en) | 2018-12-04 | 2018-12-04 | A kind of plant gas processing VOC purification apparatus based on photooxidation catalysis technique |
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CN201822020047.0U Expired - Fee Related CN209423337U (en) | 2018-12-04 | 2018-12-04 | A kind of plant gas processing VOC purification apparatus based on photooxidation catalysis technique |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112473362A (en) * | 2020-11-06 | 2021-03-12 | 中物院成都科学技术发展中心 | Device and method for enhancing oxidative degradation of organic waste gas |
CN112604408A (en) * | 2020-11-27 | 2021-04-06 | 盐城中创环保科技有限公司 | Exhaust gas purification system with self-checking device |
CN115388602A (en) * | 2022-08-29 | 2022-11-25 | 海信冰箱有限公司 | Refrigerator and peculiar smell purification method thereof |
-
2018
- 2018-12-04 CN CN201822020047.0U patent/CN209423337U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112473362A (en) * | 2020-11-06 | 2021-03-12 | 中物院成都科学技术发展中心 | Device and method for enhancing oxidative degradation of organic waste gas |
CN112473362B (en) * | 2020-11-06 | 2022-08-30 | 中物院成都科学技术发展中心 | Device and method for enhancing oxidative degradation of organic waste gas |
CN112604408A (en) * | 2020-11-27 | 2021-04-06 | 盐城中创环保科技有限公司 | Exhaust gas purification system with self-checking device |
CN115388602A (en) * | 2022-08-29 | 2022-11-25 | 海信冰箱有限公司 | Refrigerator and peculiar smell purification method thereof |
CN115388602B (en) * | 2022-08-29 | 2023-09-22 | 海信冰箱有限公司 | Refrigerator and peculiar smell purifying method thereof |
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