CN205598920U - Cleaning equipment for waste organic gas - Google Patents
Cleaning equipment for waste organic gas Download PDFInfo
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- CN205598920U CN205598920U CN201620405374.6U CN201620405374U CN205598920U CN 205598920 U CN205598920 U CN 205598920U CN 201620405374 U CN201620405374 U CN 201620405374U CN 205598920 U CN205598920 U CN 205598920U
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Abstract
The application discloses cleaning equipment for waste organic gas, including the casing, the both sides of this casing are formed with air intake and air outlet respectively, set gradually between air intake and air outlet in the casing and filtered dust collector, plasma catalysis device and light catalytic oxidation device in coordination, plasma catalysis in coordination device includes that the needle array that sets gradually along airflow direction cooperates with the device to board corona discharge assembly with catalysis. The utility model discloses a positive direct current time of needle array is discharged, has improved corona discharge's energy density, can produce more active stronger energetic electrons, carries out the activation degradation to the organic waste gas molecule. Through the synergism of noble metal and manganese dioxide catalyst, change reaction path, reduce reaction activation energy, make organic waste gas become carbon dioxide and water by the exhaustive oxidation, reduce intermediate. Nanometer titanium dioxide produces photon and electron hole under ultraviolet irradiation, and then forms extremely strong particle of oxidability such as hydroxyl and oxyradical and the reaction of pollutant emergence photochemical oxidation.
Description
Technical field
The application belongs to technical field of waste gas treatment, particularly relates to a kind of cleaning equipment for waste organic gas.
Background technology
Main TREATMENT OF VOCs method includes: absorption method, absorption process, combustion method, plasma and photochemical catalytic oxidation etc..Owing to major part VOCs is water insoluble, absorption process treatment effeciency is relatively low, is only used as preprocessing means.Adsorption method for purifying efficiency is high, can process multicomponent gas, and its shortcoming is that equipment is huge, and adsorbent is expensive, saturated after need regeneration or change, the solid waste of generation also needs to process further.Combustion method is applicable to process high concentration, the imflammable gas of little tolerance, and purification efficiency is high, and organic exhaust gas is decomposed by exhaustive oxidation, but its processing cost is high, need to add fuel, ceramic heat storage body or catalyst, be easily formed secondary pollution.Low temperature plasma and photocatalysis technology are the Treatment process of the novel gaseous contaminant received much concern in recent years, are cross-synthesis electron chemistry technology integrating physics, chemistry and environmental science.This technology has high efficiency, low energy consumption, range is wide, treating capacity is big, the feature such as simple to operate, its application and promote significant to the improvement of industrial circle organic exhaust gas and foul gas.
The lower temperature plasma technology of commercial Application mainly uses gas discharge mode to occur at present, and its concrete discharge mode is divided into again dielectric barrier discharge and corona discharge.
Dielectric barrier discharge can produce highdensity plasma, can make most of organic exhaust gas oxidation Decomposition under high energy electron and Free Radical.But in industry Wind Volume waste gas purification, all pending waste gas are all too high through discharge range then installation cost and energy consumption, and electrode is easily contaminated and lost efficacy.So have employing fresh air by dielectric barrier discharge produce after plasma again with dusty gas hybrid reaction.
Corona discharge divides main wired cartridge type, board-like, the needle plate type of line etc. from electrode structure；High voltage power supply waveform divides direct current, exchange and pulse etc..Pulsed discharge is high because of energy consumption, power supply and reactor coupling difficulty, and high voltage device, by reasons such as the pulse shock life-span are short, is applied less.Corona plasma common on market is the cellular DC corona discharge combined by multiple spools, and line electrode is high-pressure stage, and cylinder is ground electrode.This corona discharge pattern is to industrial electro dedusting and needs to produce the application demand of a small amount of anion, it is possible to well meet.But volatile organic matter to be removed, opens the chemical bond of organic molecule so that it is occur chemical reaction and by exhaustive oxidation, this discharge mode is then difficult to be competent at.At this moment the streamer-discahrge that can produce electron energy level at 5-10eV high energy electron it is accomplished by.
Utility model content
The purpose of this utility model is to provide a kind of energy Effec-tive Function steady in a long-term, processing cost is low, energy consumption is low, non-secondary pollution, it is adaptable to Wind Volume, middle low concentration, the cleaning equipment for waste organic gas of complicated component and method.
For achieving the above object, the following technical scheme of this utility model offer:
The embodiment of the present application discloses a kind of cleaning equipment for waste organic gas, including housing, the both sides of this housing are respectively formed with air inlet and air outlet, being disposed with dust removal by filtration device, plasma-catalytic collaborative device and photocatalytic oxidation device between air inlet and air outlet in described housing, described plasma-catalytic collaborative device includes needle-matrix-to-plate corona discharge device and the catalyzing cooperation device set gradually along airflow direction.
Preferably, in above-mentioned cleaning equipment for waste organic gas, described dust removal by filtration device includes the multiple filter cylinders being set up in parallel, described filter cylinder is horizontally disposed with, the arrival end of described filter cylinder connects with described air inlet, the port of export of each described filter cylinder is connected to a Venturi tube, and the port of export of described Venturi tube connects with described plasma-catalytic collaborative device.
Preferably, in above-mentioned cleaning equipment for waste organic gas, the port of export of described Venturi tube is additionally provided with pulse spraying equipment, and described filter cylinder is provided with pressure transducer.
Preferably, in above-mentioned cleaning equipment for waste organic gas, described pin array corona discharge assembly includes electrode plate with high voltage and the ground electrode plate being arranged alternately, described electrode plate with high voltage and ground electrode plate surface array have protruded out multiple needle point body, spacing 20～40mm between needle point body, needle point height 5～7mm, electrode plate with high voltage and ground electrode plate spacing 20～40mm, electrode plate with high voltage is added high pressure 10～20kV.
Preferably, in above-mentioned cleaning equipment for waste organic gas, described catalyzing cooperation device includes carrier and is carried on supported catalyst.
Preferably, in above-mentioned cleaning equipment for waste organic gas, described carrier is Alveolate activated carbon, and described catalyst is selected from Ag, Pt, Pd, MnO2。
Preferably, in above-mentioned cleaning equipment for waste organic gas, described photocatalytic oxidation device includes the first ultraviolet source, the first photocatalysis apparatus, the second ultraviolet source and the second photocatalysis apparatus set gradually, the wavelength of described first ultraviolet source and the second ultraviolet source is respectively 185nm and 254nm, and described first photocatalysis apparatus and the second catalytic unit include titanium deoxide catalyst.
Preferably, in above-mentioned cleaning equipment for waste organic gas, described titanium deoxide catalyst is with cellular aluminum net as carrier.
Compared with prior art, the utility model has the advantage of:
This utility model uses pin array positive direct-current streamer-discahrge, improves the energy density of corona discharge, can produce the high energy electron that more activity is higher, and organic exhaust gas molecule carries out activation degraded.
By noble metal and the synergism of manganese dioxide-catalyst, change reaction path, reduce reaction activity, promote organic exhaust gas to be become carbon dioxide and water by exhaustive oxidation, reduce intermediate product.
Nano titanium oxide produces photon and electron hole under ultraviolet light irradiates, and then forms the particle that the oxidisability such as hydroxyl and oxygen-derived free radicals is extremely strong, and the reaction of pollutant generation photochemical oxidation.
This utility model to industrial organic exhaust gas removal efficiency height, non-secondary pollution, energy consumption less investment low, disposable, the poorly rated scope of operating cost extensively, can process the cleaning system of various different air force as required.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments described in the application, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 show the structural representation of cleaning equipment for waste organic gas in this utility model specific embodiment；
Fig. 2 show the structural representation of needle-matrix-to-plate corona discharge device in this utility model specific embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is described in detail, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained on the premise of not making creative work, broadly fall into the scope of this utility model protection.
Shown in Fig. 1, cleaning equipment for waste organic gas, including housing 1, the both sides of this housing are respectively formed with air inlet 101 and air outlet 102, being disposed with dust removal by filtration device 2, plasma-catalytic collaborative device 3 and photocatalytic oxidation device 4 between air inlet 101 and air outlet 102 in housing 1, plasma-catalytic collaborative device 3 includes needle-matrix-to-plate corona discharge device 301 and the catalyzing cooperation device 302 set gradually along airflow direction.
Dust removal by filtration device 2 includes the multiple filter cylinders 201 being set up in parallel, and filter cylinder 201 is horizontally disposed with, and the arrival end of filter cylinder connects with air inlet, and the port of export of each filter cylinder is connected to a Venturi tube 202, and the port of export of Venturi tube connects with plasma-catalytic collaborative device 3.
In this technical scheme, filter cylinder uses nanoscale composite highly effective filter material, and this composite highly effective filter material is preferably nanofiber, in order to ensure that the gas of cleaning is discharged, to alleviate grit plasma energy expenditure and to prevent various catalyst poisoning from inactivating.
Further, the port of export of Venturi tube 202 is additionally provided with pulse spraying equipment (not shown), and filter cylinder 201 is additionally provided with pressure transducer.
In this technical scheme, realize online pressure detecting by pressure transducer, when filter cylinder dust is more, when windage is excessive, automatically carry out pulse jetting deashing, it is ensured that whole system energy efficient stable runs.
Shown in Fig. 2, needle-matrix-to-plate corona discharge device 301 uses pin array to plate positive direct-current streamer-discahrge mode, including the electrode plate with high voltage 3011 being arranged alternately and ground electrode plate 3012, electrode plate with high voltage 3011 and ground electrode plate 3012 surface array have protruded out multiple needle point body 3013, spacing 20～40mm between needle point body 3013, needle point height 5～7mm, electrode plate with high voltage and ground electrode plate spacing 20～40mm, electrode plate with high voltage is added high pressure 10～20kV.
In a preferred embodiment, can use steel plate stamping extrude square formation arrangement triangular tip or many Saw blade ordered arrangement as needle point body.
In a preferred embodiment, needle-matrix-to-plate corona discharge device 301 includes two independent casings, set gradually along airflow direction, the a length of 1m of each casing, installs 7 unit modules in each casing, each unit module installs two layers of electric discharge tooth bar, 14 layers of electric discharge tooth bar are installed altogether, each unit module thickness is 12.5, and the distance between tooth bar and tooth bar is 3cm, and each unit module needs 3 power supplys and powers.Power supply uses external to fix.
In this technical scheme, needle-matrix-to-plate corona discharge device is divided into two casings, it is simple to transports and installs, and the rear of each casing is respectively provided with a catalyzing cooperation device.
Catalyzing cooperation device includes carrier and is carried on supported catalyst.Carrier is preferably Alveolate activated carbon, and catalyst preferably is selected from Ag, Pt, Pd, MnO2。
Photocatalytic oxidation device 4 includes the first ultraviolet source the 401, first photocatalysis apparatus the 402, second ultraviolet source 403 and the second photocatalysis apparatus 404 set gradually, the wavelength of the first ultraviolet source 401 and the second ultraviolet source 403 is respectively 185nm and 254nm, and the first photocatalysis apparatus 402 and the second catalytic unit 404 include titanium deoxide catalyst.Titanium deoxide catalyst is preferably with cellular aluminum net as carrier, and it is online that nanometer anatase titania catalyst is carried on aluminum with liquid phase deposition.
The cleaning principle of this case organic exhaust gas is:
Waste gas enters purifier from air inlet, first passes around pretreatment dust removal part, nanoscale filter material grit trapping in waste gas separated；Be then passed through plasma part, streamer-discahrge the high energy electron produced collides with dusty gas molecule so that it is intramolecule chemical bond rupture activates；Eventually pass ultraviolet catalytic part, ultraviolet light irradiate nano titanic oxide catalyst and produce multiple free radical and electron hole, by organic exhaust gas oxidation Decomposition；Gas after final purification is by air outlet qualified discharge.
It should be noted that, in this article, the relational terms of such as first and second or the like is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires or imply the relation or sequentially that there is any this reality between these entities or operation.And, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, article or equipment.
The above is only the detailed description of the invention of the application; it should be pointed out that, for those skilled in the art, on the premise of without departing from the application principle; can also make some improvements and modifications, these improvements and modifications also should be regarded as the protection domain of the application.
Claims (8)
1. a cleaning equipment for waste organic gas, it is characterized in that, including housing, the both sides of this housing are respectively formed with air inlet and air outlet, being disposed with dust removal by filtration device, plasma-catalytic collaborative device and photocatalytic oxidation device between air inlet and air outlet in described housing, described plasma-catalytic collaborative device includes needle-matrix-to-plate corona discharge device and the catalyzing cooperation device set gradually along airflow direction.
Cleaning equipment for waste organic gas the most according to claim 1, it is characterized in that: described dust removal by filtration device includes the multiple filter cylinders being set up in parallel, described filter cylinder is horizontally disposed with, the arrival end of described filter cylinder connects with described air inlet, the port of export of each described filter cylinder is connected to a Venturi tube, and the port of export of described Venturi tube connects with described plasma-catalytic collaborative device.
Cleaning equipment for waste organic gas the most according to claim 2, it is characterised in that: the port of export of described Venturi tube is additionally provided with pulse spraying equipment, and described filter cylinder is provided with pressure transducer.
Cleaning equipment for waste organic gas the most according to claim 1, it is characterized in that: described pin array corona discharge assembly includes electrode plate with high voltage and the ground electrode plate being arranged alternately, described electrode plate with high voltage and ground electrode plate surface array have protruded out multiple needle point body, spacing 20～40mm between needle point body, needle point height 5～7mm, electrode plate with high voltage and ground electrode plate spacing 20～40mm, electrode plate with high voltage is added high pressure 10～20kV.
Cleaning equipment for waste organic gas the most according to claim 1, it is characterised in that: described catalyzing cooperation device includes carrier and is carried on supported catalyst.
Cleaning equipment for waste organic gas the most according to claim 5, it is characterised in that: described carrier is Alveolate activated carbon, and described catalyst is selected from Ag, Pt, Pd, MnO2。
Cleaning equipment for waste organic gas the most according to claim 1, it is characterized in that: described photocatalytic oxidation device includes the first ultraviolet source, the first photocatalysis apparatus, the second ultraviolet source and the second photocatalysis apparatus set gradually, the wavelength of described first ultraviolet source and the second ultraviolet source is respectively 185nm and 254nm, and described first photocatalysis apparatus and the second catalytic unit include titanium deoxide catalyst.
Cleaning equipment for waste organic gas the most according to claim 7, it is characterised in that: described titanium deoxide catalyst is with cellular aluminum net as carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620405374.6U CN205598920U (en) | 2016-05-06 | 2016-05-06 | Cleaning equipment for waste organic gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620405374.6U CN205598920U (en) | 2016-05-06 | 2016-05-06 | Cleaning equipment for waste organic gas |
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| CN205598920U true CN205598920U (en) | 2016-09-28 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105921007A (en) * | 2016-05-06 | 2016-09-07 | 张家港市艾尔环保设备有限公司 | Organic waste gas purifying device and method |
| CN107469535A (en) * | 2017-09-04 | 2017-12-15 | 合肥天翔环境工程有限公司 | A kind of equipment for treating industrial waste gas |
| WO2019200725A1 (en) * | 2018-04-18 | 2019-10-24 | 清华大学 | Cobalt-manganese composite oxide catalyst, preparation method therefor, and method for coupling cobalt-manganese composite oxide catalyst with plasma to purify organic waste gas |
| CN112023686A (en) * | 2020-08-11 | 2020-12-04 | 澳斯意环保工程(苏州)有限公司 | Photocatalytic oxidation treatment exhaust gas device |
| CN113610326A (en) * | 2021-09-09 | 2021-11-05 | 中国科学院生态环境研究中心 | Method for predicting environmentally persistent radical generation performance |
| CN113996440A (en) * | 2021-09-09 | 2022-02-01 | 华北电力大学 | Purification device for cooperatively treating VOCs waste gas based on plasma and electrostatic dust removal |
| CN114804014A (en) * | 2022-06-29 | 2022-07-29 | 中电科奥义健康科技有限公司 | Silicon needle array preparation method and killing factor generation device |
-
2016
- 2016-05-06 CN CN201620405374.6U patent/CN205598920U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105921007A (en) * | 2016-05-06 | 2016-09-07 | 张家港市艾尔环保设备有限公司 | Organic waste gas purifying device and method |
| CN107469535A (en) * | 2017-09-04 | 2017-12-15 | 合肥天翔环境工程有限公司 | A kind of equipment for treating industrial waste gas |
| WO2019200725A1 (en) * | 2018-04-18 | 2019-10-24 | 清华大学 | Cobalt-manganese composite oxide catalyst, preparation method therefor, and method for coupling cobalt-manganese composite oxide catalyst with plasma to purify organic waste gas |
| CN112023686A (en) * | 2020-08-11 | 2020-12-04 | 澳斯意环保工程(苏州)有限公司 | Photocatalytic oxidation treatment exhaust gas device |
| CN113610326A (en) * | 2021-09-09 | 2021-11-05 | 中国科学院生态环境研究中心 | Method for predicting environmentally persistent radical generation performance |
| CN113996440A (en) * | 2021-09-09 | 2022-02-01 | 华北电力大学 | Purification device for cooperatively treating VOCs waste gas based on plasma and electrostatic dust removal |
| CN113996440B (en) * | 2021-09-09 | 2023-01-24 | 华北电力大学 | Purifier based on plasma and electrostatic precipitator coprocessing VOCs waste gas |
| CN113610326B (en) * | 2021-09-09 | 2023-05-12 | 中国科学院生态环境研究中心 | Method for predicting environmental persistent radical generation performance |
| CN114804014A (en) * | 2022-06-29 | 2022-07-29 | 中电科奥义健康科技有限公司 | Silicon needle array preparation method and killing factor generation device |
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| C14 | Grant of patent or utility model | ||
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| CP03 | Change of name, title or address |
Address after: 215626 Zhangjiagang City, Suzhou, Jiangsu Province, Zhangjiagang City, Zhangjiagang, Jinxing Longtan Bay Industrial District Zhangjiagang city Eyre Environmental Protection Engineering Co., Ltd. Patentee after: Zhangjiagang Eyre Environmental Protection Engineering Co., Ltd. Address before: 215626 Zhangjiagang Eyre environmental protection equipment Co., Ltd., Fengzhen, Jiangsu, Hebei Province, the United States and the United States and the Gulf of Zhangjiagang Industrial Zone Longtan Patentee before: Zhangjiagang Al Environmental Protection Equipment Co.,Ltd. |
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| CP03 | Change of name, title or address |