CN209917632U - A low-concentration VOCs organic waste gas purification equipment - Google Patents

Abstract

The utility model discloses a low-concentration VOCs organic waste gas purification device, comprising a device body, which is characterized in that: the device body is provided with a power switch, a pre-filter, a rear-filter, a quick-installing component, a plurality of UV The lamp tube and several titanium dioxide mesh plates; the power switch controls the opening and closing of the UV lamp tube; the two ends of the equipment body are provided with quick-installing components, and the pre-filter and the rear filter are respectively inserted into the quick-installing components above; the titanium dioxide mesh plates are arranged at equal intervals behind the pre-filter screen, and the UV lamps are sequentially arranged between two adjacent titanium dioxide mesh plates at equal intervals; the UV lamps are also connected with an electronic ballast streamer. The utility model 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 equipment, which is suitable for popularization and application.

Description

A low-concentration VOCs organic waste gas purification equipment

technical field

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

Background technique

At present, in the industries of surface powder spraying, injection molding, printing, baking and small-scale spray painting, the production process often produces a certain amount of low-concentration VOCs. Treatment will also cause pollution. For this reason, it is necessary to use economical and effective methods to effectively treat it to avoid polluting the environment. Therefore, effective low-concentration VOCs organic waste gas purification technology and equipment are urgently needed.

At present, the commonly used low-concentration treatment methods include physical adsorption method, chemical washing method, ion method, catalytic combustion method, etc.

Physical adsorption method: Activated carbon, zeolite and other porous media are used to adsorb malodorous substances, and activated carbon is the most widely used. The method is relatively simple in process, with less one-time investment, but the medium has a short service life (it needs to be regenerated or even replaced once saturated), the treatment efficiency is unstable, and the treatment efficiency is low.

Chemical washing method: use chemical liquid to chemically react with organic waste gas molecules to generate odorless substances to achieve the purpose of removal. This method is effective for soluble organic waste gas, but has high operating cost and secondary pollution, and is ineffective for insoluble waste gas.

Ion method: high-frequency high-voltage electrostatic special pulse discharge is used to generate high-density and high-energy active ions. The high-energy active ions contact with low-concentration VOCs, open the molecular chemical bonds of low-concentration VOCs, and decompose into carbon dioxide and water, so that the gas can achieve the purpose of purification. The processing equipment of this method is relatively small in size and light in weight, and is suitable for occasions such as compact layout and small space, but the one-time investment cost of the equipment is relatively large, and the operation and maintenance cost is relatively high.

Catalytic combustion method: a method of eliminating organic waste gas pollutants by heating and oxidizing low-concentration VOCs. Under the condition of catalyst, the exhaust gas is catalytically burned at a temperature of 300-500 °C and a residence time of 0.4-0.5s, and decomposed into non-polluting gas. , this is only applicable to the organic waste gas with higher concentration. Need to add fuel, etc., the energy consumption is too large, a large investment.

Other similar photocatalytic equipment can remove low-concentration VOCs, but it is prone to dust particles, paint mist and other particulate matter that easily block and wrap conventional photocatalytic lamps, titanium dioxide grids, etc., and the installation of filters is easy to block. Not functioning properly.

SUMMARY OF THE INVENTION

The purpose of the utility model is to provide a low-concentration VOCs organic waste gas purification device with simple structure, convenient use, low cost, good treatment effect and convenient filter screen replacement in order to overcome the shortcomings of the prior art.

To achieve the above object, the utility model adopts the following technical solutions:

A low-concentration VOCs organic waste gas purification device, comprising a device body. The device body is provided with a power switch, a front filter, a rear filter, a quick assembly, a number of UV lamps and a number of titanium dioxide mesh plates. The power switch controls the opening and closing of the UV lamp. Both ends of the device body are provided with quick-installing components, and the pre-filter and the rear-filter are respectively inserted into the quick-installing components. It is convenient for flexible and regular replacement according to the actual situation, so as to solve the inconvenience of replacement of the current common system. The titanium dioxide mesh plates are arranged at equal intervals behind the pre-filter screen, and the UV lamps are sequentially arranged between two adjacent titanium dioxide mesh plates at equal intervals; the UV lamps are also connected with electronic ballasts .

Further, the quick assembly assembly includes a positioning plate, a pin and an upper cover; the positioning plate is located at both ends of the equipment body, and the two sides of the positioning plate are respectively provided with slides for inserting a pre-filter or a rear filter. one end of the upper cover is hinged to one end of the positioning plate for fixing the pre-filter or the rear filter; the other end of the upper cover is provided with a first round hole, and the other end of the positioning plate is provided with a first circular hole. a second round hole corresponding to the round hole; the pin is inserted into the first round hole and the first round hole for fixing the upper cover on the positioning plate.

Further, the device body is also provided with a fan for cooling the device.

Further, the device body is also provided with a power indicator light for displaying whether the device is running.

After the above technical solution is adopted, the utility model has the following effects: the utility model adopts the method of combining physics and UV photocatalytic treatment, firstly, the filter screen is used to intercept particulate matter, etc. Prevent the impact of particulate matter on the rear system, and then use the photocatalytic system composed of specific UV light and titanium dioxide grid to use the strong oxidizing substances generated by the system to oxidize VOCs molecules into harmless gas substances such as carbon dioxide. Low, the system processing load is not high, and the pollutants can be treated more thoroughly and harmlessly. The technology has high removal efficiency, simple operation, no secondary pollution, and low operating costs. It is an ideal green low-concentration VOCs treatment technology.

Description of drawings

FIG. 1 is a schematic top view of the structure of the present invention.

FIG. 2 is a left view structural schematic diagram of the utility model.

FIG. 3 is a schematic diagram of the three-dimensional structure of the present invention.

4 is a schematic diagram of the three-dimensional structure of the utility model after a small section of the pre-filter is extracted.

Explanation of main component symbols:

1. Equipment body, 2. Pre-filter, 3. UV lamp, 4. Rear filter, 5. Electronic ballast, 6. Power switch, 7. Titanium dioxide screen, 8. Power indicator, 9 , fan, 10, quick assembly, 101, positioning plate, 102, upper cover, 103, pin, 104, second round hole, 105, chute, 106, first round hole.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

As shown in FIGS. 1-4 , the present utility model discloses a low-concentration VOCs organic waste gas purification device, including a device body 1 . The device body 1 is provided with a power switch 6 , a front filter 2 , a rear filter 4 , quick-installing components, a number of UV lamps 3 and a number of titanium dioxide mesh plates 7 . The power switch 6 is used to control the opening and closing of the UV lamp 3 . Both ends of the device body are provided with quick-installing assemblies 10 , and the pre-filter 2 and the rear filter 4 are respectively inserted into the quick-installing assemblies 10 . It is convenient for flexible and regular replacement according to the actual situation, so as to solve the inconvenience of replacement of the current common system. The quick assembly 10 includes a positioning plate 101 , a pin 103 and an upper cover 102 . The positioning plate 101 is located at both ends of the device body, and the two sides of the positioning plate 101 are respectively provided with chute 105 for inserting the pre-filter 2 or the rear filter 4; one end of the upper cover 102 is hinged to one end of the positioning plate 101 and can be turned up and down , used to fix the front filter 2 or the rear filter 4; the other end of the upper cover 102 is provided with a first circular hole 106, and the other end of the positioning plate is provided with a second circular hole 104 corresponding to the first circular hole 106 . The pins 103 are inserted into the first round holes 106 and the second round holes 104 for fixing the upper cover 102 on the positioning plate 101 .

The titanium dioxide mesh plates 7 are arranged at equal intervals behind the pre-filter screen 2 , and the UV lamps 3 are arranged at equal intervals in sequence between two adjacent titanium dioxide mesh plates 7 . The UV lamp tube 3 is also connected with an electronic ballast 5 . The device body 1 is also provided with a fan 9 for cooling the device and a power indicator 8 for displaying whether the device is running.

The pre-filter 2 and the rear filter 4 are activated carbon filter sponges. Activated carbon sponge is an air purification filter material made of high-quality, strong adsorption powder catalytic activated carbon supported on a polyurethane foam carrier by using a polymer binder material. Its carbon content is about 30-50%, and it has good adsorption performance.

The pre-filter 2 pre-filters the exhaust gas to remove dust that may be carried in the exhaust gas, so as to prevent it from causing contamination to the UV lamp tube and affecting its light transmission performance.

The rear filter 4 can further adsorb and intercept the remaining pollutants to enhance the removal of pollutants.

The function of the UV lamp 3 is to generate high-energy ultraviolet light beam and ozone through the excitation of the external access electrode, crack and degrade industrial waste gas, and convert it into low molecular compounds, such as CO2 and H2O, so as to achieve waste gas treatment.

The role of the titanium dioxide mesh plate 7 is: under the irradiation of ultraviolet rays, it can generate hydroxyl groups (-OH) and active oxygen (-0) with strong oxidizing power, and decompose the surrounding hydrocarbons into CO2 and H2O . It has strong sterilization, purification and self-cleaning functions, and can be used for more than 10 years without replacement.

The use process of the present utility model is as follows:

Turn on the power switch 6 of the equipment, and send the collected gas from the exhaust gas to the low-concentration VOCs organic exhaust gas purification equipment through the silent fan. The exhaust gas first passes through the pre-filter 2 to separate the dust particles and moisture from the gas to prevent the subsequent equipment from scaling. . Then the gas enters the UV photocatalytic system. The photocatalytic system uses a mesh-type titanium dioxide mesh 7. Under the irradiation of the UV lamp 3 in a specific wavelength band, strong oxidizing substances, hydroxyl groups (-OH) and active oxygen (-0) are generated in the main body of the device. ), the VOCs components are decomposed and removed, oxidized to form harmless gases such as CO2, and then in the post-filter 4 system, the residual exhaust gas is adsorbed and fixed by the adsorption effect of the post-filter 4 to realize the exhaust gas. Purification treatment, so as to achieve the purpose of completely eliminating VOCs. The pre-filter 2 and the rear filter 4 are quick-installed and plug-in, which can be flexibly and regularly replaced according to the actual situation, so as to solve the inconvenience of replacement of the current commonly used systems. When replacing, just take out the pin, lift the top cover, take out the pre-filter 2 or rear filter 4 to be replaced, and then insert the new pre-filter 2 or rear filter 4 into the chute completely. Inside 105, cover the upper cover 102, and fix the upper cover 102 with the pins 103, which is convenient and simple.

To sum up, the utility model has the advantages of high removal efficiency, simple operation, no secondary pollution and low operation cost, and is an ideal green low-concentration VOCs treatment equipment, which is suitable for popularization and application.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. The changes or replacements should be covered within the protection scope of the present invention.

Claims (5)

1. a low-concentration VOCs organic waste gas purification equipment, comprising the equipment body, it is characterized in that: the described equipment body is provided with a power switch, a pre-filter, a rear-mounted filter, a quick assembly, a number of UV lamps and Several titanium dioxide mesh plates; the power switch controls the opening and closing of the UV lamp; the two ends of the equipment body are provided with quick-install components, and the pre-filter and the rear filter are respectively inserted on the quick-install components; The titanium dioxide mesh plates are arranged at equal intervals behind the pre-filter screen, and the UV lamps are sequentially arranged between two adjacent titanium dioxide mesh plates at equal intervals; the UV lamps are also connected with electronic ballasts. 2. The low-concentration VOCs organic waste gas purification equipment according to claim 1, wherein the quick-installation assembly comprises a positioning plate, a pin and an upper cover; the positioning plate is located at both ends of the equipment body, and the positioning plate The two sides are respectively provided with a chute for inserting the pre-filter or the rear filter; one end of the upper cover is hinged with one end of the positioning plate for fixing the pre-filter or the rear filter; the upper cover is another One end is provided with a first circular hole, and the other end of the positioning plate is provided with a second circular hole corresponding to the first circular hole; the pin is inserted into the first circular hole and the first circular hole for fixing the upper cover on the positioning plate. 3. The low-concentration VOCs organic waste gas purification equipment according to claim 1, wherein the pre-filter and the rear-filter are activated carbon filter sponges. 4. The low-concentration VOCs organic waste gas purification equipment according to claim 1, wherein the equipment body is further provided with a fan for heat dissipation of the equipment. 5 . The low-concentration VOCs organic waste gas purification device according to claim 1 , wherein the device body is further provided with a power indicator light for displaying whether the device is running. 6 .

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