CN111841281A - Equipment for purifying VOCs (volatile organic compounds) in industrial place and using method thereof - Google Patents

Equipment for purifying VOCs (volatile organic compounds) in industrial place and using method thereof Download PDF

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Publication number
CN111841281A
CN111841281A CN202010637410.2A CN202010637410A CN111841281A CN 111841281 A CN111841281 A CN 111841281A CN 202010637410 A CN202010637410 A CN 202010637410A CN 111841281 A CN111841281 A CN 111841281A
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equipment
water circulation
gas
water
purification device
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Inventor
刘保江
晏凌峰
高品
余本先
姚文瑾
杨瑞祥
梁爽
朱晨妙
杨瑞颖
胡春艳
朱智甲
钟山
张漓杉
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Donghua University
National Dong Hwa University
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Donghua University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75—Multi-step processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/38—Removing components of undefined structure
    • B01D53/44—Organic components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/76—Gas phase processes, e.g. by using aerosols
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8678—Removing components of undefined structure
    • B01D53/8687—Organic components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/10—Oxidants
    • B01D2251/104—Ozone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708—Volatile organic compounds V.O.C.'s
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/91—Bacteria; Microorganisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B01D2259/4508—Gas separation or purification devices adapted for specific applications for cleaning air in buildings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
    • B01D2259/818—Employing electrical discharges or the generation of a plasma
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

Abstract

The invention provides equipment for purifying VOCs (volatile organic compounds) in industrial places and a using method thereof.A waste gas to be treated is filtered by a PM2.5 filter device, part of suspended solid particles are removed by using an intelligent humidifying water circulation exchange system, then the waste gas enters a gas absorption purification device through a pipeline for pretreatment, enters an ozone plasma integrated reactor for treatment after advanced oxidation purification treatment of a catalytic fiber purification device, and is discharged outdoors through a gas exchange system after being detected to be qualified; the rest is recycled after being treated by the recycled water. The invention treats indoor air pollution from the source, reduces PM2.5 in the indoor air, removes organic gas pollutants in the indoor air of industrial places, has good purification effect, no secondary pollution, no side effect on human bodies, low cost, low technical energy consumption, simple product maintenance, no special site requirement, no matching with other purification methods, convenient implementation and easy development and popularization, and can reach the emission standard of tail gas.

Description

Equipment for purifying VOCs (volatile organic compounds) in industrial place and using method thereof
Technical Field
The invention belongs to the technical field of environmental protection, and particularly relates to equipment for purifying VOCs (volatile organic compounds) in an industrial place and a using method thereof.
Background
The clean energy technology becomes a main means for solving energy and environmental problems in the world, especially in China, and meanwhile, the clean energy technology is also a great strategic demand for realizing sustainable and rapid development of economy and society. The problem of Volatile Organic Compounds (VOCs) pollution is an important issue facing today's society. The comprehensive treatment force of the environment is increased, and the pollutant discharge reaching the standard and the total emission reduction are greatly promoted. VOCs treatment has become a national mandatory requirement, and VOCs treatment will rapidly increase in the last three years or even longer, and is expected to reach a market scale of 2 trillion. Common commercial techniques for treating VOCs include: adsorption, condensation recovery, membrane separation, biodegradation, thermal catalytic oxidation, plasma and photocatalysis are commonly used. The adsorption method has low recovery efficiency, is easy to adsorb saturation and causes secondary pollution. The condensation recovery method is suitable for organic matters with higher boiling points, but has the problems of high energy consumption, high cost and the like. The thermal catalytic oxidation technology has good treatment effect, but has the problems of high equipment requirement, high process energy consumption, secondary pollution caused by dioxin easily appearing in combustion tail gas and the like. The biological method has low removal rate to VOCs with high concentration or poor biodegradability and difficult biodegradation. The membrane separation technology is suitable for high-concentration VOCs, and has the problems of poor membrane stability and high maintenance cost. The plasma technology is only suitable for low-concentration VOCs and has higher requirements on equipment. The photocatalysis technology has the advantages of operation at normal temperature and normal pressure, simple equipment, convenient maintenance and the like, is widely regarded as a VOCs treatment technology with wide application prospect, and becomes a research hotspot at present.
Aiming at the problems that the indoor pollution of industrial places is more and more serious and the indoor pollution is difficult to solve by the existing treatment technology, the invention combines the modern textile technology, the photocatalytic air purification technology, the new technology of high-performance material preparation and the electromechanical intelligent technology into a whole, integrates innovation, breaks through the technical limitation of the existing industrial indoor air treatment, has the air purification efficiency higher than 99 percent, advanced technology and lower treatment cost, meets the national indoor air treatment requirement of the industrial places, and has higher application prospect and market prospect.
Disclosure of Invention
The invention aims to solve the technical problem of providing equipment for purifying VOCs (volatile organic compounds) in an industrial site and a using method thereof, which can solve the defects of complex process, long process flow, high cost and the like in the prior art, and can solve the problems that the tail gas discharged by a factory meets the requirements of the comprehensive emission standard of atmospheric pollutants (GB 16297-.
The technical scheme adopted by the invention for solving the technical problem is as follows: a VOCs (volatile organic compounds) equipment for purifying air in an industrial place comprises a water circulation system, a gas exchange system, a PM2.5 filtering device, an intelligent humidifying water circulation exchange system, a gas absorption, purification and regeneration device, a catalytic fiber purification device, a temperature and humidity monitoring and control system and an ozone plasma integrated reactor; indoor pollution gas enters an intelligent humidifying water circulation exchange system after being filtered by a PM2.5 filter device, the intelligent humidifying water circulation exchange system is communicated with one end of a gas absorption and purification device, the other end of the gas absorption and purification device is connected to a catalytic fiber purification device through a pipeline, the catalytic fiber purification device is provided with water cooling and is internally provided with a temperature and humidity monitoring and controlling system, an ozone plasma integrated reactor is arranged at the outlet of the catalytic fiber purification device, the outlet of the ozone plasma integrated reactor is connected to the inlet of the gas exchange system through a pipeline, and after the indoor pollution gas after deep treatment is detected by an industrial tail gas online monitoring system to meet the national standard, the indoor pollution gas is discharged into the air through the outlet of the gas exchange system; water in the catalytic fiber purification device and the intelligent humidifying water circulation exchange system is condensed and then enters the water circulation system through a pipeline, and the water in the water circulation system is added with a green medicament through a medicament adding groove for harmless treatment, and is subjected to ClO treatment 2The disinfection tank is deeply purified, and the water outlet of the water circulation system is divided into two paths: the first path returns to the inlet of the intelligent humidifying water circulation exchange system, and the second path returns to the inlet of the catalytic fiber purification device.
The system further comprises an equipment fault self-checking device, an equipment operation online monitoring device and an Internet of things intelligent control system terminal, wherein the equipment fault self-checking device is used for detecting faults occurring in operation in the system and prompting a maintenance position; the equipment operation on-line monitoring device is used for detecting the operation condition of the equipment on line and recording parameters such as the operation condition of the equipment, the purification efficiency of the equipment and the like in real time; the intelligent control system terminal of the Internet of things is used for controlling equipment to operate through the Internet of things system, and timely operating and closing the equipment as required.
Furthermore, the water circulation system is provided with a floating water quality multi-parameter detector which is communicated with the water circulation system and is used for monitoring the water quality condition in the water circulation system.
Furthermore, the catalytic fiber purification device consists of a nano piezoelectric photocatalytic fiber reactor, an automatic lifting device and a xenon lamp light source and is used for oxidizing and removing the polluted gas in the factory after the previous process treatment.
Further, the gas absorption purification regeneration device consists of a mass ratio of 4: 1-10: 1 Honeycomb activated carbon and MOF-177 (C) 54H15O13Zn4) Filling composition; the green medicament consists of activated carbon fiber/FeVO 4, H2O2 and carboxylated chitosan derivatives.
Furthermore, the intelligent humidifying water circulation exchange system consists of a chamber body and an air draft filtering system and is used for humidifying, dedusting and promoting advanced oxidation and degradation of pollutants, and the water circulation system consists of a water tank, a water curtain plate and a free water suction pump and is used for providing a water source for the catalytic fiber purification device and the intelligent humidifying water circulation exchange system and recycling water used by the catalytic fiber purification device and the intelligent humidifying water circulation exchange system after treatment.
Furthermore, a metal rubber filter screen, a ventilation nylon filter screen, a metal filter screen and a nanometer cobweb filter screen are sequentially arranged in the PM2.5 filter device and used for removing particles in the air in industrial places.
The invention also comprises a using method of the equipment for purifying VOCs in the industrial site, which comprises the following steps:
(1) firstly, starting an equipment fault self-checking device, detecting whether an operation fault occurs in a system, if the fault indicates a position needing to be maintained, otherwise, displaying that the equipment is normal, starting the equipment, filtering the to-be-treated industrial waste gas which is collected in a centralized manner through a pipeline by a PM2.5 filtering device, then removing part of suspended solid particles by using an intelligent humidifying water circulation exchange system, and then entering a gas absorption and purification device through the pipeline for pretreatment, wherein the filtering speed is 200-500 m3/h, and the filtering period is 10-30 min;
(2) After the pretreated industrial gas is subjected to advanced oxidation purification treatment by a catalytic fiber purification device, the residual gas enters an ozone-plasma integrated reactor, the gas treated by the ozone-plasma integrated reactor meets the requirements of the comprehensive emission standard of atmospheric pollutants, and the gas is detected to be qualified by an industrial tail gas online monitoring system and then is discharged to outdoor atmosphere through a gas exchange system;
(3) the water used by the catalytic fiber purification device and the intelligent humidifying water circulation exchange system flows into the water circulation system, is treated by adding a green medicament into the medicament adding tank and treating the green medicament by using the ClO2 disinfection tank, meets the requirement of sanitary Standard for Drinking Water, and the water outlet of the water circulation system is divided into two paths: the first path returns to the inlet of the intelligent humidifying water circulation exchange system and is used for increasing the absorption processing speed of the gas absorption and purification device, and the second path returns to the inlet of the catalytic fiber purification device and is used for increasing the deep processing speed of the catalytic fiber purification device;
(4) in the operation process of the equipment, the equipment operation online monitoring device always detects the operation condition of the equipment on line and records the operation condition of the equipment, the purification efficiency of the equipment and other parameters in real time; the Internet of things system controls the operation of the equipment through the Internet of things intelligent control system terminal, and timely operates and closes the equipment as required.
Further, in the step (1), the gas absorption and purification device is subjected to low-intensity back flushing cleaning at the end of the filtering period, and the back flushing intensity of a water pump is 2-6L/(m)2And s), backwashing for 5-8 min, and recycling the water after backwashing through a water circulation system.
Further, in step (1), the PM2.5 filter unit is subjected to cyclic chemical cleaning at the end of the filtration cycle, with 1% H2O2The cleaning agent is water treated by a water circulation system, and the cleaned water is recycled after being treated by the water circulation system.
The invention has the beneficial effects that:
(1) the method treats indoor air pollution from the source, can reduce PM2.5 in the indoor air, can resist bacteria and deodorize, quickly removes organic gas pollutants in the indoor air of industrial places, and can ensure that tail gas discharged by the tail gas can reach the national emission standard of related industries.
(2) The novel photocatalytic air purification device integrates a modern textile technology, a photocatalytic air purification technology, a novel high-performance material preparation technology and an electromechanical intelligent technology, and has the advantages of good purification effect, no secondary pollution, no side effect on a human body, low cost and wide application range.
(3) The technology has low energy consumption, the manufacturing cost of the integrated equipment is lower, the added value of the product is high, the application cost is lower, and the product maintenance is simple.
(4) The method does not need special site requirements, does not need to be matched with other purification methods, is convenient to implement and is easy to develop and popularize.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a catalytic fiber purification apparatus according to the present invention;
FIG. 3 is a schematic structural diagram of an intelligent humidifying water circulation exchange system and a water circulation system according to the present invention;
fig. 4 is a schematic structural diagram of the PM2.5 purification apparatus of the present invention.
1. Equipment failure self-checking device, 2, equipment operation on-line monitoring device, 3, thing networking intelligent control system terminal, 4, catalytic fiber purifier, 5, temperature and humidity monitoring control system, 6, integrative reactor of ozone plasma, 7, intelligent humidification water circulation exchange system, 8, gas absorption purification regenerating unit, 9, water circulation system, 10, ClO2A disinfection tank, 11, a floating water quality multi-parameter detector, 12, a dosing tank, 13, an industrial tail gas online monitoring system, 14, a PM2.5 filtering device, 15, a gas exchange system, 16, a nano piezoelectric photocatalytic fiber reactor, 17, an automatic lifting device, 18, a xenon lamp light source, 19, a chamber body, 20, a water tank, 21, a water curtain plate, 22, a free water suction pump, 23, an air draft filtering system, 24, a metal rubber filter screen, 25, a ventilation nylon filter screen, 26, a metal filter screen, 27 and a nano spider web filter screen.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
As shown in fig. 1, the present embodiment includes a water circulation system 9, a gas exchange system 15, a PM2.5 filter device 14, a chemical dosing tank 12, an intelligent humidifying water circulation exchange system 7, a gas absorption purification regeneration device 8, a catalytic fiber purification device 4, a temperature and humidity monitoring control system 5, an ozone-plasma integrated reactor 6, and a ClO2The system comprises a disinfection tank 10, a floating water quality multi-parameter detector 11, an industrial tail gas online monitoring system 13, an equipment fault self-checking device 1, an equipment operation online monitoring device 2 and an Internet of things intelligent control system terminal 3.
Indoor polluted gas is filtered by a PM2.5 filtering device 14 and then sequentially passes through an intelligent humidifying water circulation exchange system 7 and a gas absorption and purification device 8, the treated gas is connected to a catalytic fiber purification device 4 through a pipeline, the catalytic fiber purification device 4 is provided with water cooling and is internally provided with a temperature and humidity monitoring and control system 5, the outlet of the catalytic fiber purification device 4 is communicated with an ozone plasma integrated reactor 6, the outlet of the ozone plasma integrated reactor 6 is connected to the inlet of a gas exchange system 15 through a pipeline, the outlet of the gas exchange system 15 is provided with an industrial tail gas online monitoring system 13, and the deeply treated gas is discharged into the air after being detected by the industrial tail gas online monitoring system 13 to meet the national standard.
The water in the catalytic fiber purification device 4 is condensed and then enters the water circulation system 9 through a pipeline, the water used by the intelligent humidifying water circulation exchange system 7 also returns to the water circulation system 9, and the water circulation system 9 is added with green medicament harmless treatment and ClO through the medicament adding groove 122The disinfection tank 10 is used for deep purification, wherein the green medicament consists of activated carbon fiber/FeVO 4, H2O2 and carboxylated chitosan derivatives. The water outlet of the water circulation system 9 is divided into two paths: the first path returns to the inlet of the intelligent humidifying water circulation exchange system for increasing the absorption processing speed of the gas absorption and purification device 8, and the second path returns to the catalytic fiber purification device 4And the inlet is used for increasing the advanced treatment speed of the catalytic fiber purification device.
The equipment fault self-checking device 1 is used for detecting faults occurring in operation in a system and prompting a maintenance position; the equipment operation online monitoring device 2 is used for online detecting the equipment operation condition and recording parameters such as the equipment operation condition, the equipment purification efficiency and the like in real time; the intelligent control system terminal 3 of the internet of things is used for controlling equipment to operate through the internet of things system, and timely operating and closing the equipment according to needs.
As shown in fig. 2, the catalytic fiber purification device is composed of a nano piezoelectric photocatalytic fiber reactor 16, an automatic lifting device 17 and a xenon lamp light source 18, and is used for removing pollution gas in a factory after being subjected to a previous process by oxidation.
As shown in fig. 3, the intelligent humidifying water circulation exchange system 7 is composed of a chamber body 19 and an air draft filtering system 23, and is used for humidifying, dedusting and promoting advanced oxidation and degradation of pollutants, and the water circulation system 9 is composed of a water tank 20, a water curtain plate 21 and a free water suction pump 22, and is used for providing water sources for the catalytic fiber purification device 4 and the intelligent humidifying water circulation exchange system 7, and recycling the water used by the catalytic fiber purification device 4 and the intelligent humidifying water circulation exchange system 7 after treatment. The water circulation system 9 is provided with a floating water quality multi-parameter detector 11 which is communicated with the water circulation system and is used for monitoring the water quality condition in the water circulation system.
As shown in fig. 4, a metal rubber filter screen, a ventilation nylon filter screen, a metal filter screen and a nano-cobweb filter screen are sequentially arranged in the PM2.5 filter device 14 for removing particles in the air in an industrial place.
The gas absorption purification regeneration device 8 is composed of a mass ratio of 4: 1-10: 1 Honeycomb activated carbon and MOF-177C54H15O13Zn4And (4) filling.
When the device is used, the device fault self-detection device 1 is started firstly to detect whether running faults occur in the system, if the faults indicate positions needing maintenance, otherwise, the display device is normal, at the moment, the device is started, industrial waste gas to be treated which is collected in a centralized mode is filtered by the PM2.5 filtering device 14 through the pipeline, and then the industrial waste gas to be treated is removed by the intelligent humidification water circulation exchange system 7 Removing part of suspended solid particles, and then entering a gas absorption and purification device 8) through a pipeline for pretreatment, wherein the filtering speed is 200-500 m3The filtering period is 10-30 min;
the pretreated industrial gas is subjected to advanced oxidation purification treatment by a catalytic fiber purification device 4, and the residual gas is treated by an ozone-plasma integrated reactor to meet the requirements of the Integrated emission Standard for atmospheric pollutants GB/T18920-plus 2002 and is discharged into outdoor atmosphere through a gas exchange system 15. The residual water is added with green medicament and ClO through the medicament adding tank 122The disinfection tank 10 is treated to reach the sanitary Standard for Drinking Water GB5749-85, and the effluent is completely recycled to the intelligent humidifying water circulation exchange system or the link of the factory with higher requirement on water quality.
Carrying out low-intensity back flushing cleaning on the gas absorption and purification device 8 at the end of the filtering period, wherein the back flushing intensity of a water pump is 2-6L/m2S, backwashing for 5-8 min, and recycling the water after backwashing through a water circulation system 9; at the end of the filtration cycle, the PM2.5 filtration unit 14 is also subjected to a cyclic chemical cleaning with 1% H2O2The cleaning agent is water treated by a water circulation system 9, and the water after cleaning is treated by the water circulation system 9 and then recycled.
In the operation process of the equipment, the equipment operation online monitoring device 2 always detects the operation condition of the equipment on line and records the operation condition of the equipment, the purification efficiency of the equipment and other parameters in real time; the Internet of things system controls the operation of the equipment through the Internet of things intelligent control system terminal 3, and timely operates and closes the equipment as required.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered in the protection scope of the present invention.

Claims (10)

1. Air-conditioner in industrial placeVOCs equipment for gas purification comprises a water circulation system (9), a gas exchange system (15), a PM2.5 filtering device (14), an intelligent humidifying water circulation exchange system (7), a gas absorption purification regeneration device (8), a catalytic fiber purification device (4), a temperature and humidity monitoring control system (5) and an ozone plasma integrated reactor (6), and is characterized in that indoor pollution gas enters the intelligent humidifying water circulation exchange system (7) after being filtered by the PM2.5 purification device (14), the intelligent humidifying water circulation exchange system (7) is communicated with one end of the gas absorption purification device (8), the other end of the gas absorption purification device (8) is connected to the catalytic fiber purification device (4) through a pipeline, the catalytic fiber purification device (4) is provided with water cooling and is internally provided with the temperature and humidity monitoring control system (5), an ozone and plasma integrated reactor (6) is arranged at the outlet of the catalytic fiber purification device (4), the outlet of the ozone and plasma integrated reactor (6) is connected to the inlet of the gas exchange system (15) through a pipeline, and indoor pollution gas after advanced treatment is detected by an industrial tail gas online monitoring system (13) to meet the national standard and then is discharged into the air through the outlet of the gas exchange system (15); the water in the catalytic fiber purification device (4) and the intelligent humidifying water circulation exchange system (7) enters the water circulation system (9) through a pipeline after being condensed, the water in the water circulation system (9) is added with a green medicament through a medicament adding groove (12) for harmless treatment, and the ClO is 2The disinfection tank (10) is used for deep purification, and the water outlet of the water circulation system (9) is divided into two paths: the first path returns to the inlet of the intelligent humidifying water circulation exchange system (7), and the second path returns to the inlet of the catalytic fiber purification device (4).
2. The use method of the VOCs equipment for air purification in the industrial site according to claim 1, further comprising an equipment fault self-checking device (1), an equipment operation online monitoring device (2) and an Internet of things intelligent control system terminal (3), wherein the equipment fault self-checking device (1) is used for detecting faults occurring in operation in the system and prompting a maintenance position; the equipment operation online monitoring device (2) is used for detecting the equipment operation condition on line and recording parameters such as the equipment operation condition, the equipment purification efficiency and the like in real time; the intelligent control system terminal (3) of the Internet of things is used for controlling equipment to operate through the Internet of things system, and timely operating and closing the equipment as required.
3. An apparatus for purifying VOCs in the air of an industrial site according to claim 1, wherein the water circulation system (9) is provided with a floating water quality multi-parameter detector (11) communicated with the water circulation system for monitoring the water quality condition of the water circulation system (9).
4. The equipment for purifying VOCs in the industrial site according to claim 1, wherein the catalytic fiber purification device (4) is composed of a nano-pressure electro-optic catalytic fiber reactor (16), an automatic lifting device (17) and a xenon lamp light source (18) and is used for removing pollution gas in a factory after the previous process treatment by oxidation.
5. An apparatus for purifying VOCs from air in an industrial site as claimed in claim 1 wherein said gas absorption purification regeneration means (8) is comprised of a mass ratio of 4: 1-10: 1 Honeycomb activated carbon and MOF-177 (C)54H15O13Zn4) Filling composition; the green medicament is prepared from activated carbon fiber/FeVO4、H2O2And a carboxylated chitosan derivative.
6. An equipment for purifying VOCs in the industrial site according to claim 1, wherein the intelligent humidifying water circulation exchange system (7) is composed of a chamber body (19) and an air draft filtering system (23) and is used for humidifying, dedusting and promoting advanced oxidation degradation of pollutants, and the water circulation system (9) is composed of a water tank (20), a water curtain plate (21) and a free water suction pump (22) and is used for providing water sources for the catalytic fiber purification device (4) and the intelligent humidifying water circulation exchange system (7) and recycling water used by the catalytic fiber purification device (4) and the intelligent humidifying water circulation exchange system (7) after treatment.
7. The equipment for purifying VOCs in the industrial site according to claim 1, wherein a metal rubber filter screen, a ventilation nylon filter screen, a metal filter screen and a nano spider web filter screen are sequentially arranged in the PM2.5 filter device (14) and used for removing particles in the air in the industrial site.
8. A method of using the apparatus for purifying VOCs from air in an industrial site as claimed in claim 1, comprising the steps of:
(1) firstly, starting an equipment fault self-detection device (1), detecting whether an operation fault occurs in a system, if the fault indicates a position needing maintenance, otherwise, displaying that the equipment is normal, starting the equipment, filtering the to-be-treated industrial waste gas collected in a centralized manner by a PM2.5 filtering device (14) through a pipeline, then removing part of suspended solid particles by using an intelligent humidifying water circulation exchange system (7), and then entering a gas absorption and purification device (8) through the pipeline for pretreatment, wherein the filtering speed is 200-500 m3The filtering period is 10-30 min;
(2) after the pretreated industrial gas is subjected to advanced oxidation purification treatment by a catalytic fiber purification device (4), residual gas enters an ozone-plasma integrated reactor (6), the gas treated by the ozone-plasma integrated reactor (6) meets the requirements of the comprehensive emission standard of atmospheric pollutants, and the gas is detected to be qualified by an industrial tail gas online monitoring system (13) and then is discharged to outdoor atmosphere through a gas exchange system (15);
(3) the water used by the catalytic fiber purification device (4) and the intelligent humidifying water circulation exchange system (7) flows into the water circulation system (9), is treated by adding a green medicament into the medicament adding tank (12) and is treated by the ClO2 disinfection tank (10), the requirement of sanitary Standard for Drinking Water is met, and the water outlet of the water circulation system (9) is divided into two paths: the first path returns to the inlet of the intelligent humidifying water circulation exchange system (7) for increasing the absorption treatment speed of the gas absorption and purification device (8), and the second path returns to the inlet of the catalytic fiber purification device (4) for increasing the deep treatment speed of the catalytic fiber purification device (4);
(4) In the operation process of the equipment, the equipment operation online monitoring device (2) always detects the operation condition of the equipment on line and records the operation condition of the equipment, the purification efficiency of the equipment and other parameters in real time; the Internet of things system controls the operation of the equipment through the Internet of things intelligent control system terminal (3), and timely operates and closes the equipment as required.
9. The use method of equipment for purifying VOCs in the industrial site according to claim 7, wherein in the step (1), the gas absorption and purification device (8) is subjected to low-intensity back flush cleaning at the end of the filtration period, and the back flush intensity of the water pump is 2-6L/(m < m >)2S) and backwashing for 5-8 min, and treating the water after backwashing through a water circulation system (9) for recycling.
10. Use of an apparatus for purifying VOCs in an industrial site according to claim 7, wherein in step (1), the PM2.5 purifier (14) is subjected to cyclic chemical cleaning with 1% H at the end of the filtration cycle2O2The cleaning agent is water treated by a water circulation system (9), and the cleaned water is recycled after being treated by the water circulation system (9).
CN202010637410.2A 2020-07-03 2020-07-03 Equipment for purifying VOCs (volatile organic compounds) in industrial place and using method thereof Pending CN111841281A (en)

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Application publication date: 20201030