CN104857847A - Organic waste gas treatment system based on photocatalysis - Google Patents

Organic waste gas treatment system based on photocatalysis Download PDF

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Publication number
CN104857847A
CN104857847A CN201510276639.7A CN201510276639A CN104857847A CN 104857847 A CN104857847 A CN 104857847A CN 201510276639 A CN201510276639 A CN 201510276639A CN 104857847 A CN104857847 A CN 104857847A
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CN
China
Prior art keywords
waste gas
organic waste
gas treatment
photocatalysis
assembly
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Pending
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CN201510276639.7A
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Chinese (zh)
Inventor
韦建敏
赵兴文
张晓蓓
张小波
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Chengdu Honghua Environmental Protection Technology Co Ltd
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Chengdu Honghua Environmental Protection Technology Co Ltd
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Priority to CN201510276639.7A priority Critical patent/CN104857847A/en
Publication of CN104857847A publication Critical patent/CN104857847A/en
Pending legal-status Critical Current

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  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

The invention discloses an organic waste gas treatment system based on photocatalysis. The organic waste gas treatment system comprises a plurality of organic waste gas treatment devices and a PLC control cabinet, and the organic waste gas treatment devices are used for performing remote on-off control through the PLC control cabinet; each organic waste gas treatment device comprises a prefilter assembly, one or more photocatalysis assemblies, an induced draft fan and an exhaust assembly; the prefilter assembly, the photocatalysis assemblies, the induced draft fan and the exhaust assembly are connected in sequence through pipelines; each photocatalysis assembly comprises a photocatalysis shell and a plurality of ultraviolet lamps arranged inside the photocatalysis shell; the intervals among the ultraviolet lamps are the same as those between the ultraviolet lamps and the shell, and the mounting directions of the ultraviolet lamps are parallel to the airflow direction; a titanium dioxide coating is arranged on the inner wall of the photocatalysis shell. According to the organic waste gas treatment system, the organic waste gas treatment device is remotely controlled through the PLC control cabinet, and the system is safe and reliable.

Description

A kind of based on light-catalysed organic waste gas treatment system
Technical field
The present invention relates to a kind of based on light-catalysed organic waste gas treatment system.
Background technology
Along with the progress of society and the continuous expansion of industrial technology, weaving with the production of the buntings such as Compound Fabric, gold stamping cloth, moulding cloth of textile is more and more general, the buntings such as Compound Fabric, gold stamping cloth, moulding cloth can make a large amount of organic solvents as organic solvents such as polyester, resin, glue, butanone, diluents in process of production, these can become volatile organic waste gas through the organic solvent such as polyester, resin, glue, butanone, diluent of heating, these organic exhaust gas are directly emptying, severe contamination will be caused to environment, be detrimental to health and ecological environment.In order to protection of the environment; avoid atmosphere pollution; purified treatment must be carried out before entering air containing the waste gas of pernicious gas; enter the pernicious gas amount of air or harmful gas concentration and must not exceed the numerical value that discharge standard specifies; as high altitude discharge only solves the pollution problem in some areas; the nuisance total amount entering air does not reduce, and does not fundamentally solve atmosphere polluting problem.Existing waste gas treatment equipment is as photocatalysis VOCs treatment device, due to the dust granules thing containing part in organic exhaust gas, if dust granules is remained in processor by during photocatalysis VOCs treatment device, thus have impact on the normal work of light-catalyzed reaction, in addition, because waste gas has certain temperature, if directly processed waste gas by photocatalysis, then reaction efficiency and the quality of waste gas can be reduced.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of based on light-catalysed organic waste gas treatment system.
The object of the invention is to be achieved through the following technical solutions: a kind of based on light-catalysed organic waste gas treatment system, it comprises multiple organic waste gas treatment device and a PLC control cabinet, and described organic waste gas treatment device carries out long-range open and close controlling by PLC control cabinet;
Described organic waste gas treatment device comprises a pre-filtering assembly, at least one photocatalysis assembly, air-introduced machine and gas deflation assembly; Described pre-filtering assembly, photocatalysis assembly, air-introduced machine are connected by pipeline successively with gas deflation assembly;
Described pre-filtering assembly comprises filter shell and multiple filter being set in parallel in filter shell inside; Described filter shell inwall is provided with filter with the use of slot; Described filter comprises frame for installing, be arranged on the filter of frame for installing inside and be arranged on the screen pack on filter two sides; Described filter is arranged on filter shell inside by slot;
Described photocatalysis assembly comprises photocatalysis shell and multiple quartz burner being arranged on photocatalysis enclosure; Interval between described quartz burner and the interval between quartz burner and housing identical, the installation direction of quartz burner is parallel with airflow direction; The inwall of described photocatalysis shell is provided with coating of titanium dioxide.
Described filter is activated carbon fibre filtering plate.
The filter shell of described pre-filtering assembly is provided with first body of convenient guarantee, first described body is provided with handle.
Described photocatalysis assembly also comprises multiple activated carbon fiber with nano titanium dioxide photocatalyst be arranged on around quartz burner.
Described photocatalysis assembly is also provided with second body with observation window, and second described body is provided with handle.
Described air-introduced machine is the air-introduced machine of negative-pressure operation.
Described gas deflation assembly is high 15 meters.
The invention has the beneficial effects as follows: 1, by PLC control cabinet, Long-distance Control is carried out to organic waste gas treatment device, safe and reliable.2, by pre-filtering assembly and multilayer activated carbon filtration plate structure, effectively remove organic granular and improve organic exhaust gas degradation rate.3, effectively can ensure the reflection degradation time of organic exhaust gas, meet high-level processing requirements.4, the demolition, installation of NACF filter and maintenance, replacing can be facilitated, lower use cost.5, facilitate the dust of ultraviolet lamp tube-surface and the cleaning of greasy dirt, ensure ultraviolet penetrance and exposure intensity.6, there is the features such as stable and reliable operation, operating cost is low, easy to maintenance.7, multi-stage light catalytic module is adopted, better effects if.
Accompanying drawing explanation
Fig. 1 is block diagram of the present invention;
Fig. 2 is organic waste gas treatment device structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail: as shown in Figure 1, a kind of based on light-catalysed organic waste gas treatment system, it comprises multiple organic waste gas treatment device and a PLC control cabinet, and described organic waste gas treatment device carries out long-range open and close controlling by PLC control cabinet;
As shown in Figure 2, described organic waste gas treatment device comprises a pre-filtering assembly, at least one photocatalysis assembly, air-introduced machine and gas deflation assembly; Described pre-filtering assembly, photocatalysis assembly, air-introduced machine are connected by pipeline successively with gas deflation assembly;
Described pre-filtering assembly comprises filter shell and multiple filter being set in parallel in filter shell inside; Described filter shell inwall is provided with filter with the use of slot; Described filter comprises frame for installing, be arranged on the filter of frame for installing inside and be arranged on the screen pack on filter two sides; Described filter is arranged on filter shell inside by slot;
Described photocatalysis assembly comprises photocatalysis shell and multiple quartz burner being arranged on photocatalysis enclosure; Interval between described quartz burner and the interval between quartz burner and housing identical, the installation direction of quartz burner is parallel with airflow direction; The inwall of described photocatalysis shell is provided with coating of titanium dioxide.
Described filter is activated carbon fibre filtering plate.
The filter shell of described pre-filtering assembly is provided with first body of convenient guarantee, first described body is provided with handle.
Described photocatalysis assembly also comprises multiple activated carbon fiber with nano titanium dioxide photocatalyst be arranged on around quartz burner.
Described photocatalysis assembly is also provided with second body with observation window, and second described body is provided with handle.
Described air-introduced machine is the air-introduced machine of negative-pressure operation.
Described gas deflation assembly is high 15 meters.
During real work, organic exhaust gas enters in light catalytic module by after the process of pre-filtering component filters, after high energy ultraviolet photodissociation catalytic oxidation treatment, then by draining into 15 meters of high-altitude qualified discharges outside the air-introduced machine of negative-pressure operation; PLC control cabinet controls the operation of organic waste gas treatment device.
In photocatalysis assembly, high energy ultraviolet Line beam and air, titanium dioxide react the ozone, the OH (hydroxyl radical free radical) that produce to carry out collaborative decomposing oxidation reaction to foul gas, large molecule foul gas makes its chain structure rupture under action of ultraviolet radiation simultaneously, foul gas Substance Transformation is made to be micromolecular compound or the permineralization of odorless, generate water and CO2, enter air through exhaust duct after up to standard, whole decomposition oxidizing process completed in 1 second, utilize high energy ultraviolet Line beam, make in air, to produce a large amount of free electrons, these electronics major parts can obtain by oxygen, form negative oxygen ion (O3-), negative oxygen ion is unstable, be easy to lose an electronics and become active oxygen (ozone), ozone is advanced oxidation agent, can oxidation Decomposition organic matter and inorganic matter, under the effect of ozone, these foul gas are broken down into small-molecule substance by macromolecular substances, until mineralising, photocatalysis assembly efficiently can remove volatile organic matter (VOC), inorganic matter, hydrogen sulfide, ammonia, the major pollutants such as thio-alcohol, and each specific aim foul smell, deodorization efficiency is up to more than 96%.
The speed that ultraviolet is decayed in atmosphere is very fast, and the distance of quartz burner and organic exhaust gas is nearer, and better, namely distance is inversely proportional to effect the effect of organic matter photodissociation.Ultraviolet irradiating dose is the leading indicator ensureing organic exhaust gas photodissociation rate, when irradiation time is fixing, ensures that uitraviolet intensity is most important to meeting organic exhaust gas photodissociation rate.So be evenly arranged in housing by quartz burner, the ultraviolet of surrounding scattering carries out light degradation to the organic exhaust gas entering photocatalysis treatment component all effectively, improve degradation efficiency.
The present invention designs a kind of process of filtering organic exhaust gas successively, react and discharging, rational in infrastructure, has the effect of saving material, improving purification.

Claims (7)

1. based on a light-catalysed organic waste gas treatment system, it is characterized in that: it comprises multiple organic waste gas treatment device and a PLC control cabinet, and described organic waste gas treatment device carries out long-range open and close controlling by PLC control cabinet;
Described organic waste gas treatment device comprises a pre-filtering assembly, at least one photocatalysis assembly, air-introduced machine and gas deflation assembly; Described pre-filtering assembly, photocatalysis assembly, air-introduced machine are connected by pipeline successively with gas deflation assembly;
Described pre-filtering assembly comprises filter shell and multiple filter being set in parallel in filter shell inside; Described filter shell inwall is provided with filter with the use of slot; Described filter comprises frame for installing, be arranged on the filter of frame for installing inside and be arranged on the screen pack on filter two sides; Described filter is arranged on filter shell inside by slot;
Described photocatalysis assembly comprises photocatalysis shell and multiple quartz burner being arranged on photocatalysis enclosure; Interval between described quartz burner and the interval between quartz burner and housing identical, the installation direction of quartz burner is parallel with airflow direction; The inwall of described photocatalysis shell is provided with coating of titanium dioxide.
2. one according to claim 1 is based on light-catalysed organic waste gas treatment system, it is characterized in that: described filter is activated carbon fibre filtering plate.
3. one according to claim 1 is based on light-catalysed organic waste gas treatment system, it is characterized in that: first body filter shell of described pre-filtering assembly being provided with convenient guarantee, first described body is provided with handle.
4. one according to claim 1 is based on light-catalysed organic waste gas treatment system, it is characterized in that: described photocatalysis assembly also comprises multiple activated carbon fiber with nano titanium dioxide photocatalyst be arranged on around quartz burner.
5. one according to claim 1 is based on light-catalysed organic waste gas treatment system, it is characterized in that: described photocatalysis assembly is also provided with second body with observation window, and second described body is provided with handle.
6. one according to claim 1 is based on light-catalysed organic waste gas treatment system, it is characterized in that: described air-introduced machine is the air-introduced machine of negative-pressure operation.
7. one according to claim 1 is based on light-catalysed organic waste gas treatment system, it is characterized in that: described gas deflation assembly is high 15 meters.
CN201510276639.7A 2015-05-27 2015-05-27 Organic waste gas treatment system based on photocatalysis Pending CN104857847A (en)

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Application Number Priority Date Filing Date Title
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CN104857847A true CN104857847A (en) 2015-08-26

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016188208A1 (en) * 2015-05-27 2016-12-01 成都虹华环保科技股份有限公司 Safe and reliable cyclic washing type waste gas treatment system
CN108479381A (en) * 2018-03-26 2018-09-04 安徽科耀环保科技有限公司 Organic waste gas treatment method based on photooxidation
CN108926991A (en) * 2017-05-25 2018-12-04 鹰儒环保科技(上海)有限公司 A kind of organic waste gas treatment device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2151632C1 (en) * 1998-10-20 2000-06-27 Балихин Игорь Львович Photocatalytic element and method for manufacture thereof
JP2004294153A (en) * 2003-03-26 2004-10-21 Mitsui Eng & Shipbuild Co Ltd Leak detection method of exhaust gas treating apparatus
JP2006289205A (en) * 2005-04-07 2006-10-26 Ishikawajima Harima Heavy Ind Co Ltd Organic waste treating equipment
JP4014412B2 (en) * 2002-01-28 2007-11-28 日本碍子株式会社 Organohalogen decomposition catalyst and process for producing the same
CN204193786U (en) * 2014-09-15 2015-03-11 杭州青云环境工程有限公司 A kind of organic waste gas treatment system
CN204637993U (en) * 2015-05-27 2015-09-16 成都虹华环保科技股份有限公司 A kind of based on light-catalysed organic waste gas treatment system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2151632C1 (en) * 1998-10-20 2000-06-27 Балихин Игорь Львович Photocatalytic element and method for manufacture thereof
JP4014412B2 (en) * 2002-01-28 2007-11-28 日本碍子株式会社 Organohalogen decomposition catalyst and process for producing the same
JP2004294153A (en) * 2003-03-26 2004-10-21 Mitsui Eng & Shipbuild Co Ltd Leak detection method of exhaust gas treating apparatus
JP2006289205A (en) * 2005-04-07 2006-10-26 Ishikawajima Harima Heavy Ind Co Ltd Organic waste treating equipment
CN204193786U (en) * 2014-09-15 2015-03-11 杭州青云环境工程有限公司 A kind of organic waste gas treatment system
CN204637993U (en) * 2015-05-27 2015-09-16 成都虹华环保科技股份有限公司 A kind of based on light-catalysed organic waste gas treatment system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016188208A1 (en) * 2015-05-27 2016-12-01 成都虹华环保科技股份有限公司 Safe and reliable cyclic washing type waste gas treatment system
CN108926991A (en) * 2017-05-25 2018-12-04 鹰儒环保科技(上海)有限公司 A kind of organic waste gas treatment device
CN108479381A (en) * 2018-03-26 2018-09-04 安徽科耀环保科技有限公司 Organic waste gas treatment method based on photooxidation

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Application publication date: 20150826

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