CN209917632U

CN209917632U - Low concentration VOCs organic waste gas purifying equipment

Info

Publication number: CN209917632U
Application number: CN201920418525.5U
Authority: CN
Inventors: 曾德城; 方青松; 陈燕贵
Original assignee: Xiamen Cleaner Environmental Protection Technology Co Ltd
Current assignee: Xiamen Cleaner Environmental Protection Technology Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-01-10
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a low concentration VOCs organic waste gas purifying equipment, including the equipment body, its characterized in that: the device body is provided with a power switch, a front filter screen, a rear filter screen, a quick assembly component, a plurality of UV lamp tubes and a plurality of titanium dioxide screens; the power switch controls the on-off of the UV lamp tube; the two ends of the equipment body are respectively provided with a quick assembly, and the front filter screen and the rear filter screen are respectively inserted into the quick assembly; the titanium dioxide screen plates are distributed at equal intervals behind the front filter screen, and the UV lamp tubes are sequentially distributed at equal intervals between two adjacent titanium dioxide screen plates; the UV lamp tube is also connected with an electronic ballast. The utility model discloses get rid of efficient, easy and simple to handle, no secondary pollution, working costs are low, are the green low concentration VOCs treatment facility of an ideal, are suitable for popularization and application.

Description

Low concentration VOCs organic waste gas purifying equipment

Technical Field

The utility model relates to an environmental protection equipment field, in particular to low concentration VOCs organic waste gas purification equipment.

Background

At present, in the industries of surface powder spraying, injection molding, printing, baking, small-scale paint spraying and the like, production procedures often generate a certain amount of low-concentration VOCs, the concentration of the VOCs is low, the problems of volume recovery, high catalytic combustion investment and the like are not achieved, pollution is formed when the VOCs are not treated, therefore, the VOCs are required to be effectively treated by an economic and effective method, the environment pollution is avoided, and effective low-concentration VOCs organic waste gas purification technology and equipment are urgently needed.

The low concentration treatment methods commonly used at present include physical adsorption, chemical washing, ion, catalytic combustion, and the like.

Physical adsorption method: the malodorous substances are adsorbed by porous media such as active carbon, zeolite and the like, and the active carbon is most widely applied. The method has the advantages of simple process, low one-time investment, short service life of the medium (regeneration or even replacement is needed once the medium is saturated), unstable treatment efficiency and low treatment efficiency.

Chemical washing method: the chemical liquid medicine and organic waste gas molecules are subjected to chemical reaction to generate odorless substances so as to achieve the aim of removing. The method is effective for soluble organic waste gas, but has high operation cost, secondary pollution and no effect on insoluble waste gas.

An ion method: high-density high-energy active ions are generated by high-frequency high-voltage electrostatic special pulse discharge, the high-energy active ions are contacted with low-concentration VOCs, and molecular chemical bonds of the low-concentration VOCs are opened and decomposed into carbon dioxide and water, so that the gas is purified. The method has the advantages of relatively small volume of treatment equipment, light dead weight, suitability for occasions with compact arrangement, narrow site and the like, but higher one-time investment cost and higher operation and maintenance cost of the equipment.

A catalytic combustion method: the method for eliminating organic matter waste gas pollutants by heating and oxidizing low-concentration VOCs is characterized in that waste gas is catalytically combusted under the conditions of 300-500 ℃ and 0.4-0.5 s of residence time in the presence of a catalyst and decomposed into pollution-free gas, and the method is only suitable for organic waste gas with high concentration. Additional fuel is needed, energy consumption is too large, and one-time investment is large.

In addition, some similar photocatalytic devices can remove low-concentration VOCs, but the phenomena that granular substances such as dust particles and paint mist are easy to block and wrap conventional photocatalytic lamp tubes and titanium dioxide grids are easy to occur, the filter screen is easy to block and replace, the replacement is inconvenient, and the system is not normal in operation.

Disclosure of Invention

The utility model aims at overcoming the not enough of prior art and providing a simple structure, convenient to use, the cost is low, and the treatment effect is good, and convenient low concentration VOCs organic waste gas purifying equipment is changed to the filter screen.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a low concentration VOCs organic waste gas purifying device comprises a device body. The equipment body on be equipped with switch, leading filter screen, rearmounted filter screen, fast-assembling subassembly, a plurality of UV fluorescent tube and a plurality of titanium dioxide otter board. And the power switch controls the opening and closing of the UV lamp tube. The device comprises a device body, wherein the device body is provided with a front filter screen and a rear filter screen, the front filter screen and the rear filter screen are respectively arranged at two ends of the device body, and the front filter screen and the rear filter screen are respectively inserted into the quick assembly. The system is convenient to flexibly and regularly replace according to the actual situation so as to solve the problem of inconvenience in replacement of the conventional common system. The titanium dioxide screen plates are distributed at equal intervals behind the front filter screen, and the UV lamp tubes are sequentially distributed at equal intervals between two adjacent titanium dioxide screen plates; the UV lamp tube is also connected with an electronic ballast.

Furthermore, the fast assembly comprises a positioning plate, a pin and an upper cover; the positioning plates are positioned at two ends of the equipment body, and sliding chutes for inserting the front filter screen or the rear filter screen are respectively arranged at two sides of the positioning plates; one end of the upper cover is hinged with one end of the positioning plate and used for fixing the front filter screen or the rear filter screen; a first round hole is formed in the other end of the upper cover, and a second round hole corresponding to the first round hole is formed in the other end of the positioning plate; the pin is inserted into the first round hole and used for fixing the upper cover on the positioning plate.

Further, the equipment body is also provided with a fan for radiating the equipment.

Further, the equipment body is also provided with a power indicator lamp for displaying whether the equipment runs.

After the technical scheme is adopted, the utility model discloses following effect has: the utility model discloses a physics, the method that UV photocatalysis treatment combines, at first utilize the filter screen interception particulate matter etc, the filter screen adopts portable fast-assembling mode, can simply accomplish change work rapidly, prevent the influence of particulate matter to back end system, the photocatalysis system that specific UV light of rethread and titanium dioxide net are constituteed, utilize the strong oxide matter that the system produced, with VOCs molecular oxidation for innoxious gaseous matter such as carbon dioxide, because waste gas air inlet concentration is lower, the system treatment load is not high, can be comparatively thorough with pollutant innoxious treatment. The technology has the advantages of high removal efficiency, simple and convenient operation, no secondary pollution and low operation cost, and is an ideal green low-concentration VOCs treatment technology.

Drawings

Fig. 1 is a schematic top view of the present invention.

Fig. 2 is a left side view structure diagram of the present invention.

Fig. 3 is a schematic perspective view of the present invention.

Fig. 4 is the schematic view of the three-dimensional structure of the utility model with a small section of the front filter screen.

Description of the main component symbols:

1. the device comprises a device body, 2, a front filter screen, 3, a UV lamp tube, 4, a rear filter screen, 5, an electronic ballast, 6, a power switch, 7, a titanium dioxide screen plate, 8, a power indicator lamp, 9, a fan, 10, a fast-assembly component, 101, a positioning plate, 102, an upper cover, 103, a pin, 104, a second round hole, 105, a sliding groove, 106 and a first round hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

As shown in fig. 1-4, the utility model discloses a low concentration VOCs organic waste gas purifying equipment, which comprises an equipment body 1. The device body 1 is provided with a power switch 6, a front filter screen 2, a rear filter screen 4, a quick assembly component, a plurality of UV lamp tubes 3 and a plurality of titanium dioxide screen plates 7. The power switch 6 is used for controlling the on and off of the UV lamp tube 3. Two ends of the equipment body are respectively provided with a quick assembly 10, and the front filter screen 2 and the rear filter screen 4 are respectively inserted into the quick assembly 10. The system is convenient to flexibly and regularly replace according to the actual situation so as to solve the problem of inconvenience in replacement of the conventional common system. The package assembly 10 includes a positioning plate 101, a pin 103 and a top cover 102. The positioning plate 101 is positioned at two ends of the equipment body, and two sides of the positioning plate 101 are respectively provided with a sliding chute 105 for inserting the front filter screen 2 or the rear filter screen 4; one end of the upper cover 102 is hinged with one end of the positioning plate 101, can be turned up and down and is used for fixing the front filter screen 2 or the rear filter screen 4; the other end of the upper cover 102 is provided with a first round hole 106, and the other end of the positioning plate is provided with a second round hole 104 corresponding to the first round hole 106. The pins 103 are inserted into the first and second

circular holes

106 and 104 for fixing the upper cover 102 to the positioning plate 101.

The titanium dioxide net plates 7 are distributed at equal intervals behind the front filter screen 2, and the UV lamp tubes 3 are sequentially distributed at equal intervals between two adjacent titanium dioxide net plates 7. The UV lamp tube 3 is also connected with an electronic ballast 5. The apparatus body 1 is further provided with a fan 9 for heat dissipation of the apparatus and a power indicator lamp 8 for indicating whether the apparatus is operating.

The front filter screen 2 and the rear filter screen 4 are made of activated carbon filter sponge. The active carbon sponge is an air purification filter material prepared by adopting a high-molecular bonding material to load high-quality powdery catalytic active carbon with strong adsorption property on a polyurethane foaming carrier. The carbon content is about 30-50%, and the adsorbent has good adsorption performance.

The front filter screen 2 pre-filters the waste gas, removes dust and the like possibly carried in the waste gas, and avoids the ultraviolet lamp tube from being stained and influenced in light transmission performance.

The rear filter screen 4 can further adsorb and intercept the residual pollutants, and enhance the removal of the pollutants.

The UV lamp tube 3 is used for generating high-energy ultraviolet light beams and ozone through excitation of an external access electrode, cracking and degrading industrial waste gas and converting the industrial waste gas into low-molecular compounds such as CO2 and H2O, and therefore the waste gas is treated.

The titanium dioxide mesh plate 7 has the following functions: under the irradiation of ultraviolet rays, hydroxyl (-OH) and active oxygen (-0) with extremely strong oxidizing power can be generated, and hydrocarbon around the hydroxyl is decomposed into CO2 and H2O. Has strong sterilization, purification and self-cleaning functions, and can be replaced for more than 10 years.

The utility model discloses an use flow as follows:

open equipment switch 6, send into low concentration VOCs organic waste gas purification equipment through the gas after silence fan collects, waste gas is at first through leading filter screen 2, with dust particulate matter, moisture separation from gaseous, prevent follow-up equipment scale deposit. Then the gas gets into UV photocatalytic system, photocatalytic system adopts grid formula titanium dioxide net 7, through under the irradiation of specific wave band UV fluorescent tube 3, produce strong oxidation material in the equipment main part, hydroxyl (-OH) and active oxygen (-0), decompose the removal with VOCs composition, the oxidation forms harmless gases such as CO2, then in the system of rearmounted filter screen 4, utilize the adsorption that rearmounted filter screen 4 has to adsorb fixed the processing to remaining waste gas, realize the purification treatment of waste gas, thereby reach the purpose of thoroughly eliminating VOCs. The front filter screen 2 and the rear filter screen 4 are quick-assembly and plug-in type and can be flexibly and periodically replaced according to actual conditions, so that the inconvenience of replacement of the conventional common system is solved. When the filter screen is replaced, only the pin needs to be taken out, the upper cover is lifted, the front filter screen 2 or the rear filter screen 4 which needs to be replaced is taken out, then the new front filter screen 2 or the new rear filter screen 4 is completely inserted into the sliding groove 105, the upper cover 102 is covered, and the upper cover 102 is fixed by the pin 103, so that the filter screen replacement is convenient and simple.

To sum up, the utility model discloses get rid of efficient, easy and simple to handle, no secondary pollution, working costs are low, are the green low concentration VOCs treatment facility of an ideal, are suitable for popularization and application.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims

1. The utility model provides a low concentration VOCs organic waste gas purifying equipment, includes the equipment body, its characterized in that: the device body is provided with a power switch, a front filter screen, a rear filter screen, a quick assembly component, a plurality of UV lamp tubes and a plurality of titanium dioxide screens; the power switch controls the on-off of the UV lamp tube; the two ends of the equipment body are respectively provided with a quick assembly, and the front filter screen and the rear filter screen are respectively inserted into the quick assembly; the titanium dioxide screen plates are distributed at equal intervals behind the front filter screen, and the UV lamp tubes are sequentially distributed at equal intervals between two adjacent titanium dioxide screen plates; the UV lamp tube is also connected with an electronic ballast.

2. The apparatus for purifying organic waste gases containing low concentrations of VOCs as claimed in claim 1, wherein: the quick assembly component comprises a positioning plate, a pin and an upper cover; the positioning plates are positioned at two ends of the equipment body, and sliding chutes for inserting the front filter screen or the rear filter screen are respectively arranged at two sides of the positioning plates; one end of the upper cover is hinged with one end of the positioning plate and used for fixing the front filter screen or the rear filter screen; a first round hole is formed in the other end of the upper cover, and a second round hole corresponding to the first round hole is formed in the other end of the positioning plate; the pin is inserted into the first round hole and used for fixing the upper cover on the positioning plate.

3. The apparatus for purifying organic waste gases containing low concentrations of VOCs as claimed in claim 1, wherein: the front filter screen and the rear filter screen are made of activated carbon filter sponge.

4. The apparatus for purifying organic waste gases containing low concentrations of VOCs as claimed in claim 1, wherein: the equipment body is also provided with a fan for radiating the equipment.

5. The apparatus for purifying organic waste gases containing low concentrations of VOCs as claimed in claim 1, wherein: the equipment body is also provided with a power indicator lamp for displaying whether the equipment runs.