CN206823397U - A kind of VOC off-gas cleaning equipments - Google Patents
A kind of VOC off-gas cleaning equipments Download PDFInfo
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- CN206823397U CN206823397U CN201720363164.XU CN201720363164U CN206823397U CN 206823397 U CN206823397 U CN 206823397U CN 201720363164 U CN201720363164 U CN 201720363164U CN 206823397 U CN206823397 U CN 206823397U
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- photocatalysis
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Abstract
The utility model discloses a kind of VOC off-gas cleaning equipments, its drip irrigation device is：Including air inlet pipe, processing tube and escape pipe, dust removing units, photocatalysis unit and plasma cleaning unit are sequentially provided with processing tube, photocatalysis unit includes photocatalysis net and the uviol lamp being arranged in front of photocatalysis net, plasma cleaning unit are made up of some energetic ion pipes.Waste gas is entered in processing tube out of air inlet pipe, dust removing units are first filtered bulky grain thing, then, waste gas enters photocatalysis unit, uviol lamp is with photocatalysis net as photocatalysis unit, uviol lamp can both play bactericidal purifying effect to waste gas, while can also coordinate with photocatalysis net and waste gas is further purified；Then, waste gas is further purified by plasma cleaning unit, the free radical and quasi-molecule of the release of energetic ion pipe to waste gas.Clean unit is few, but clean-up effect can still be guaranteed, and the service life length of equipment, stability are good.
Description
Technical field
A kind of waste gas treatment equipment is the utility model is related to, more specifically, it relates to a kind of VOC off-gas cleaning equipments.
Background technology
In modern industrial production, some poisonous and hazardous waste gas, this waste gas can be produced unavoidably along with production process
It is directly discharged in air, air quality is polluted, serious harm is produced to health.The relevant laws and regulations of country
And professional standard all has strict restriction to the discharge standard of gas, it is the pass for improving environmental quality that dusty gas, which administer,
Key.
Therefore, notification number provides a kind of modularization emission-control equipment for CN205109220U utility model patent.
Photocatalysis treatment unit, plasma processing apparatus and ultraviolet are provided with including air inlet pipe, processing tube and escape pipe, in processing tube
Line processing unit etc..Waste gas passes sequentially through unit, realizes purification and processing to waste gas.
But in actual use, emission-control equipment of the prior art.Clean unit is excessive, so not only results in
Emission-control equipment is complicated, while it is too high to will also result in energy consumption, wastes the energy, therefore, how to provide a kind of clean unit
It is few, while and can ensures the emission-control equipment of clean-up effect with regard to highly desirable.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of VOC off-gas cleaning equipments, can both subtract
Few clean unit, the clean-up effect of waste gas can be ensured again.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of VOC waste gas purifications
Equipment, including air inlet pipe, processing tube and the escape pipe being sequentially connected, dust removing units, photocatalysis are sequentially provided with the processing tube
Unit and plasma cleaning unit, the photocatalysis unit include the photocatalysis net coated with photochemical catalyst and are arranged on light
Uviol lamp in front of catalysis net, the plasma cleaning unit are made up of some energetic ion pipes.
By using above-mentioned technical proposal：Waste gas is entered in processing tube out of air inlet pipe, and dust removing units are first to bulky grain
Material is filtered, and then, waste gas enters photocatalysis unit, ultraviolet using uviol lamp and photocatalysis net as photocatalysis unit
Lamp can both play bactericidal purifying effect to waste gas, while can also coordinate with photocatalysis net, waste gas be carried out further net
Change, simple in construction, purification efficiency is high；Then, waste gas passes through plasma cleaning unit, the free radical and standard of the release of energetic ion pipe
Molecule is further purified to waste gas.Clean unit is few, but clean-up effect can still be guaranteed, and equipment
Service life is grown, and stability is good.
Preferably, the photocatalysis unit includes two groups of uviol lamps and photocatalysis net being set up in parallel.
By using above-mentioned technical proposal：Two groups of uviol lamps and photocatalysis net are set, waste gas can be carried out net twice
Change, ensure that the reliability and clean-up effect of purification process.It is ultraviolet using uviol lamp and photocatalysis net as photocatalysis unit
Lamp can both play bactericidal purifying effect to waste gas, while can also coordinate with photocatalysis net, waste gas be carried out further net
Change, simple in construction, purification efficiency is high.
Preferably, the wavelength close to the uviol lamp of dust removing units is 254nm, the wavelength of the uviol lamp away from dust removing units
For 185nm.
By using above-mentioned technical proposal：The molecular link in foul gas molecule is cracked using 254nm light beams, destroys bacterium
Nucleic acid（DNA）, it is allowed to become extremely unstable C keys, -0H, O ions.Then, decomposed using 185nm light beams in air
Oxygen molecule produces active oxygen, because free oxygen takes positron-electron imbalance so need to be combined with oxygen molecule, and then generate ozone；It is smelly
Oxygen polymerize with what is cracked by 254nm light beams in free state polluter atom, generates new, harmless or low harmful material, such as
CO2、H2O etc., meanwhile, Pre-Ozonation on Organic Matter has extremely strong oxidation, has to foul gas and other excitant peculiar smell vertical
Pole is shown in the elimination effect of shadow.
It is used to uviol lamp be installed preferably, rotating to be provided with positioned at the front of photocatalysis net on the inwall of the processing tube
Lamp bracket, the uviol lamp circumference array are arranged on lamp bracket.
By using above-mentioned technical proposal：So at work, even if a uviol lamp is in damaged condition, due to ultraviolet
Lamp is circumferentially to be distributed and can be rotated under the drive of lamp bracket, it is ensured that photocatalysis net can obtain enough illumination,
Clean-up effect is ensure that, improves the reliability in the course of work.
Preferably, the photocatalysis net includes being square, the rack of setting and the web-roll core that is arranged in rack, described
Processing tube is provided with the cleaning plant for the impurity for being used for clearing up in web-roll core.
By using above-mentioned technical proposal：After using a period of time, cleaning plant can be cleared up web-roll core, protect
The purification efficiency and clean-up effect of web-roll core are demonstrate,proved.Improve the lasting usage time of cleaning equipment.
Preferably, the rack is arranged in processing tube along sliding, the processing tube, which is provided with, to be used to fix rack
Fixture, the processing tube are provided with the cleaning box slipped into for rack, and the cleaning plant includes the wind being arranged on cleaning box
Machine.
By using above-mentioned technical proposal：When wanting to clear up photocatalysis net, the fixation of fixture is released,
Photocatalysis net is slipped into cleaning box, now, opens blower fan, you can photocatalysis net is cleared up.Individually cleaning is set
Box, in cleaning, the impurity on photocatalysis net is not fallen out in processing tube, avoids the phenomenon for secondary pollution occur.
Preferably, the side in the processing tube with respect to cleaning box is provided with for placing the accommodating of standby photocatalysis net
Box, the container are communicated with processing tube, and after photocatalysis net is put into container, the light that fixture is released in processing tube is urged
Change the fixation of net.
By using above-mentioned technical proposal：The fixation of releasing fixture that so need not be extra, when new photocatalysis net
After inserting in container, fixture can release fixation, and the photocatalysis net in processing tube can be slipped into cleaning box.Position
It can be slipped into the photocatalysis net in container in processing tube.The replacing of photocatalysis net can be now completed, operation is very simple
It is single.
Preferably, the inwall of the processing tube is provided with the protection device for being used for coating the electrode outside energetic ion pipe.
By using above-mentioned technical proposal：Because the electrode needs on energetic ion pipe are exposed outside, in order to extend electrode
Service life, protection device can play a protective role to electrode, effectively extend the service life of electrode.
Preferably, the photochemical catalyst selects Wastewater by Nanometer Anatase TiO2Photochemical catalyst.
By using above-mentioned technical proposal：Experiment shows, Wastewater by Nanometer Anatase TiO2The catalysis effect of photochemical catalyst in practice
Rate is best, can further optimize photocatalysis effect.
In summary, the utility model has the advantages that：
1st, small volume, in light weight, floor space is only the 1/5-1/10 of biological deodorizing equipment, is highly suitable for having landscape will
Ask, characteristics of compact layout, narrow field, the project of the particular/special requirement such as intermittent duty；
2nd, SR is small, and energy consumption is low, and blower fan resistance is small, it is not necessary to which powerful blower fan is as driving, and power is low, energy consumption
It is low.
3rd, stench is efficiently removed：TiO2Photodissociation oxidation equipment can efficiently remove volatile organic matter（VOC）, inorganic matter,
The major pollutants such as hydrogen sulfide, ammonia, thio-alcohol, and various foul smells, deodorising effect substantially exceed country and promulgated for 1993
's（GB14554-93）Emission standard for odor pollutants.Nine major classes, 114 kinds of pollutants that Environmental Protection Agency announces are proved can
It is governed by photodissociation catalysis oxidation, even if to hetero atom organic matter such as halogenated hydrocarbons, fuel, itrogenous organic substance, organophosphorus insecticidal
Worm agent also has good removal effect.（The life-span of TiO2 catalyst is indefinite extension, without changing）
4th, any chemical substance need not be added：Only need to set corresponding exhaust duct and air draft power, make foul gas
Deodorization decomposing, purifying is carried out by this equipment, chemical reaction is participated in without adding any chemical substance.
5th, it is applied widely：High and low concentration is suitable for, atm number, the deodorization purified treatment of different foul gas materials can
Daily 24 continuous throughout the twenty-four hour24, stable and reliable operation.
Brief description of the drawings
Fig. 1 is the sectional arrangement drawing of the present embodiment；
Fig. 2 is the integral installation schematic diagram of the present embodiment；
Fig. 3 is the photocatalysis unit sectional arrangement drawing of the present embodiment；
Fig. 4 is A portions enlarged drawing in Fig. 3；
Fig. 5 is the traveller driving schematic diagram of the present embodiment；
Fig. 6 is B portions enlarged drawing in Fig. 5；
Fig. 7 is the present embodiment kind drive rod structural representation.
In figure：1st, air inlet pipe；2nd, processing tube；21st, dust removing units；22nd, photocatalysis unit；23rd, plasma cleaning unit；
24th, activated carbon filter layer；25th, chute；26th, container；27th, projection；271st, spring；28th, screen pack；3rd, escape pipe；4th, lamp bracket；
41st, motor；42nd, uviol lamp；5th, photocatalysis net；51st, rack；52nd, web-roll core；6th, cleaning box；61st, blower fan；62nd, network interface is taken；7th, it is sliding
Post；71st, through groove；8th, drive rod；81st, bar is abutted；82nd, connecting rod；83rd, cross bar；831st, voussoir；9th, energetic ion pipe；91st, protect
Set；10th, plate is abutted.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing 1-7.
A kind of VOC off-gas cleaning equipments, including air inlet pipe 1, processing tube 2 and the escape pipe 3 being sequentially connected, in processing tube
Dust removing units 21, photocatalysis unit 22 and plasma cleaning unit 23 are sequentially provided with 2.Dust removing units 21 by screen pack 28 or
Person's other filter elements composition, for being filtered to the bulky grain thing in waste gas.Close to the one of escape pipe 3 in processing tube 2
End is provided with activated carbon filter layer 24, and activated carbon filter layer 24 carries out the purification of final step to waste gas, protected as purifying layer three times
Eligible state can be in by having demonstrate,proved the gas discharged from escape pipe 3.
Rotated on the inwall of processing tube 2 and be provided with lamp bracket 4, the circumference array of uviol lamp 42 is arranged on lamp bracket 4, in processing tube
2 outer wall is provided with the motor 41 that driving lamp bracket 4 rotates, and during work, lamp bracket 4 drives uviol lamp 42 to rotate, accordingly even when one
Uviol lamp 42 is in damaged condition, can also ensure that photocatalysis net 5 can obtain enough illumination, ensure that clean-up effect, carry
Reliability in the high course of work.In addition, experiment shows, when the distance between uviol lamp 42 and corresponding lamp bracket 4 are 12-
During 15cm, photocatalysis effect is best；Meanwhile the distance between two uviol lamps 42 are when be 35cm, at the purification of waste gas
It is best to manage effect.
Photocatalysis net 5 include being square setting rack 51 and the web-roll core 52 that is arranged in rack 51, on web-roll core 52
Provided with photochemical catalyst, when by ultraviolet light, this photochemical catalyst, which is stimulated, produces electron-hole pair, and electronics and hole make
The oxygen and hydrone of surrounding turn into living radical, and living radical can be by organic or inorganic pollutant in air, such as nitrogen
Oxygen compound（NOx）, formaldehyde, benzene, sulfur dioxide etc., directly resolve into harmless material, to eliminate pollution, purification empty so as to reach
The purpose of gas.
In the present embodiment, photochemical catalyst selects Wastewater by Nanometer Anatase TiO2Photochemical catalyst.Experiment shows, Wastewater by Nanometer Anatase TiO2
The catalytic efficiency of photochemical catalyst in practice is best, can further optimize photocatalysis effect.
The cleaning plant for the impurity for being used for clearing up in web-roll core 52 is provided with processing tube 2, after using a period of time, clearly
Reason device can be cleared up web-roll core 52, ensure that the purification efficiency and clean-up effect of web-roll core 52.In the inwall of processing tube 2
On be vertically provided with chute 25, the sliding of photocatalysis net 5 is arranged in processing tube 2, is provided with processing tube 2 and is used to urge light
Change the fixture that net 5 is fixed in chute 25, cleaning plant includes the cleaning box 6 being arranged in processing tube 2, cleaning box 6 and place
Reason pipe 2 and chute 25 are communicated, and after the fixation for releasing fixture, photocatalysis net 5 can be fallen into cleaning box 6, in cleaning box 6
On towards photocatalysis net 5 be provided with blower fan 61.
The side of cleaning box 6, which is provided with, to be used to take network interface 62 by what photocatalysis net 5 took out, after cleaning out, can be incited somebody to action
Photocatalysis net 5 takes out out of cleaning box 6.Fixture includes sliding and is arranged on traveller 7 on cleaning box 6, the traveller 7 perpendicular to
Photocatalysis net 5 slides the top for being arranged on cleaning box 6, can be with the bottom of photocatalysis net 5 after traveller 7 is stretched into cleaning box 6
Face abuts, and traveller 7 is several, is set along the width array of cleaning box 6, in width of the bottom of processing tube 2 along cleaning box 6
Direction is provided with projection 27, and the spring 271 that can be abutted with the end face of traveller 7, after installing, spring are fixed with projection 27
271 can drive traveller 7 to slip into cleaning box 6.
Container 26 is provided with the top surface of processing tube 2, container 26 is used to increase new photocatalysis net into processing tube 2
5, container 26 communicates with processing tube 2 and chute 25, and size and the photocatalysis net 5 of container 26 coordinate, and are set on cleaning box 6
There is actuator, after container 26 inserts photocatalysis net 5, actuator driving traveller 7 skids off cleaning box 6.Volume is not needed so
Traveller 7 is operated outside, after actuator driving traveller 7 skids off cleaning box 6, the photocatalysis net 5 in processing tube 2
Slip into cleaning box 6.Photocatalysis net 5 in container 26 can be slipped into processing tube 2.
In the present embodiment, actuator includes the drive rod 8 for the setting that takes the shape of the letter U, and drive rod 8 is by stretching into the abutting in container 26
Bar 81, the cross bar 83 that can be inserted perpendicularly into traveller 7 and connection abut the connecting rod 82 of bar 81 and cross bar 83, are set on cross bar 83
There is the voussoir 831 for driving traveller 7 to slide, be provided with traveller 7 and run through groove 71 for what cross bar 83 slid, when photocatalysis net 5
After inserting in container 26, abut bar 81 and be ejected container 26, drive cross bar 83 to slide in and out, voussoir 831 slips into traveller 7
On in the groove 71, driving traveller 7 slides in and out, and realizes the unblock of the photocatalysis net 5 in processing tube 2.
In order to which stable realization abuts the slip of bar 81, in the present embodiment, it is two to abut bar 81, two abutting bars 81
End is connected by abutting plate 10, abut plate 10 be sliding be arranged in container 26, set abut plate 10, can increase with
The contact area of the side of rack 51, reduce the abrasion of photocatalysis net 5.
Be provided with plasma cleaning unit 23 in the downstream of photocatalysis unit 22, plasma cleaning unit 23 by some high energy from
Sub- pipe 9 forms, and in the discharge process of energetic ion pipe 9, substantial amounts of free radical and quasi-molecule is produced, such as hydroxyl radical free radical, oxygen
Free radical, NO free radical etc., their chemical property are very active, it is easy to and other atoms, molecule or other free radicals
React and form stable atom or molecule.
In the present embodiment, plasma cleaning unit 23 using multimedium barrier discharge low-temperature plasma process, low temperature etc. from
Daughter density is big, reaches conventional plasma technology（Corona discharge）1000 times.
In the present embodiment, plasma cleaning unit 23 is made up of two row plasmatrons, each column four, and two row plasmas
Pipe vertical distribution, network structure is formed, the purification of waste gas so can be more uniformly realized, is externally provided with energetic ion pipe 9
Electrode, in order to avoid exposed electrode is eroded by waste gas, in the present embodiment, protection device is externally provided with electrode, protected
Device can play a protective role to electrode, effectively extend the service life of electrode.
Protection device includes the protective case 91 set in a ring being located at outside electrode, and protective case 91 is bonded energetic ion pipe
9 outer wall and electrode is set, and protective case 91 made of rubber, can be not only brought into close contact with energetic ion pipe 9, protection effect
It is good, simultaneously because rubber has insulating properties, therefore, will not the normal use of energetic ion pipe 9 impact.
The course of work is summarized：Waste gas is entered out of air inlet pipe 1 in processing tube 2, and screen pack 28 first filters bulky grain thing
Fall, then, waste gas enters photocatalysis unit 22, and 254nm light beams crack the molecular link in foul gas, destroy the nucleic acid of bacterium
（DNA）, it is allowed to become extremely unstable C keys, -0H, O ions.The oxygen molecule that 185nm light beams are decomposed in air produces activity
Oxygen, because free oxygen takes positron-electron imbalance so need to be combined with oxygen molecule, and then generate ozone；Ozone is with being in free state
Polluter atom polymerize, and generates new, harmless or low harmful material, such as CO2、H2O etc..Then, waste gas passes through plasma cleaning
Unit 23, the free radical and quasi-molecule that energetic ion pipe 9 discharges further are purified to waste gas.
When photocatalysis net 5 needs to change, new photocatalysis net 5 is added into container 26, positioned at container 26
Interior photocatalysis net 5 can will abut plate 10 and outwards push up, and drive cross bar 83 to slide, voussoir 831, which is slipped into traveller 7, runs through groove 71
It is interior, traveller 7 is ejected into cleaning box 6, now, the photocatalysis net 5 in processing tube 2 can be fallen into cleaning box 6, positioned at accommodating
Photocatalysis net 5 in box 26 can enter in processing tube 2.It need not shut down and the replacing of photocatalysis net 5 can be achieved, safeguard
When, do not interfere with the normal use of cleaning equipment.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (9)
1. a kind of VOC off-gas cleaning equipments, including air inlet pipe (1), processing tube (2) and the escape pipe (3) being sequentially connected, the place
Dust removing units (21), photocatalysis unit (22) and plasma cleaning unit (23), its feature are sequentially provided with reason pipe (2) to exist
In：The photocatalysis unit (22) includes the photocatalysis net (5) coated with photochemical catalyst and is arranged in front of photocatalysis net (5)
Uviol lamp (42), the plasma cleaning unit (23) is made up of some energetic ion pipes (9).
A kind of 2. VOC off-gas cleaning equipments according to claim 1, it is characterised in that：Photocatalysis unit (22) bag
Include two groups of uviol lamps being set up in parallel (42) and photocatalysis net (5).
A kind of 3. VOC off-gas cleaning equipments according to claim 2, it is characterised in that：Close to the purple of dust removing units (21)
The wavelength of outer lamp (42) is 254nm, and the wavelength of the uviol lamp (42) away from dust removing units (21) is 185nm.
A kind of 4. VOC off-gas cleaning equipments according to Claims 2 or 3, it is characterised in that：The processing tube (2) it is interior
The lamp bracket (4) for being provided with and being used for installing uviol lamp (42), uviol lamp (42) circle are rotated on wall positioned at the front of photocatalysis net (5)
All arrays are arranged on lamp bracket (4).
A kind of 5. VOC off-gas cleaning equipments according to claim 2, it is characterised in that：The photocatalysis net (5) includes
The rack (51) of square setting and the web-roll core (52) being arranged in rack (51), the processing tube (2), which is provided with, to be used to clear up
The cleaning plant of impurity in web-roll core (52).
A kind of 6. VOC off-gas cleaning equipments according to claim 5, it is characterised in that：Rack (51) sliding is set
In processing tube (2), the processing tube (2) is provided with the fixture for being used for fixing rack (51), and the processing tube (2) is provided with
The cleaning box (6) slipped into for rack (51), the cleaning plant include the blower fan (61) being arranged on cleaning box (6).
A kind of 7. VOC off-gas cleaning equipments according to claim 6, it is characterised in that：It is relatively clear on the processing tube (2)
The side of reason box (6) is provided with the container (26) for being used for placing standby photocatalysis net (5), the container (26) and processing tube
(2) communicate, after photocatalysis net (5) are put into container (26), fixture releases the photocatalysis net (5) in processing tube (2)
Fixation.
A kind of 8. VOC off-gas cleaning equipments according to claim 6, it is characterised in that：On the inwall of the processing tube (2)
Provided with the protection device for coating the electrode of energetic ion pipe (9) outside.
A kind of 9. VOC off-gas cleaning equipments according to claim 1, it is characterised in that：The photochemical catalyst selects nanometer
Anatase titanium dioxide TiO2Photochemical catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720363164.XU CN206823397U (en) | 2017-04-08 | 2017-04-08 | A kind of VOC off-gas cleaning equipments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720363164.XU CN206823397U (en) | 2017-04-08 | 2017-04-08 | A kind of VOC off-gas cleaning equipments |
Publications (1)
| Publication Number | Publication Date |
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| CN206823397U true CN206823397U (en) | 2018-01-02 |
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ID=60766985
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| CN201720363164.XU Active CN206823397U (en) | 2017-04-08 | 2017-04-08 | A kind of VOC off-gas cleaning equipments |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106861389A (en) * | 2017-04-08 | 2017-06-20 | 苏州鱼翔环境工程有限公司 | A kind of VOC off-gas cleaning equipments and purification method |
| CN108310948A (en) * | 2018-03-14 | 2018-07-24 | 常州大学 | The absorption plant and absorption process of acetone contained by a kind of exhaust gas |
| WO2020216362A1 (en) * | 2019-04-25 | 2020-10-29 | 上海必修福企业管理有限公司 | System and method for treating voc gas in engine exhaust gas |
-
2017
- 2017-04-08 CN CN201720363164.XU patent/CN206823397U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106861389A (en) * | 2017-04-08 | 2017-06-20 | 苏州鱼翔环境工程有限公司 | A kind of VOC off-gas cleaning equipments and purification method |
| CN106861389B (en) * | 2017-04-08 | 2020-06-23 | 苏州鱼翔环境工程有限公司 | VOC waste gas purification equipment and purification method |
| CN108310948A (en) * | 2018-03-14 | 2018-07-24 | 常州大学 | The absorption plant and absorption process of acetone contained by a kind of exhaust gas |
| WO2020216362A1 (en) * | 2019-04-25 | 2020-10-29 | 上海必修福企业管理有限公司 | System and method for treating voc gas in engine exhaust gas |
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