CN206980453U - VOC purifier in a kind of flue gas - Google Patents

Abstract

The utility model relates to a purification device for volatile organic compounds in flue gas, which comprises a casing, an air inlet is arranged at the left end of the casing, an air outlet is arranged at the right end of the casing, a recovery box is arranged at the lower end of the casing, and inside the casing there are sequentially arranged The first purification pipeline and the second purification pipeline, a deflector is arranged between the first purification pipeline and the second purification pipeline, a first filter device and a second filter device are sequentially arranged in the first purification pipeline from left to right, and the second filter device is installed in the first purification pipeline. A filter device is installed obliquely in the first purification pipeline, the air inlet is arranged below the first filter device, the second filter device includes a filter screen, a storage tank and a feed pipe, and the upper end of the shell is provided with a liquid feed port, and the liquid The feeding port is arranged above the filter screen, and the storage tank is connected with the liquid feeding port through a feeding pipe; the utility model is provided with a first filtering device, a second filtering device, an ultraviolet lamp and a packing layer, which can sequentially filter the gas. Filtration effectively improves the efficiency of gas purification.

Description

A device for purifying volatile organic compounds in flue gas

technical field

The utility model belongs to the field of atmospheric treatment equipment, in particular to a device for purifying volatile organic compounds in flue gas.

Background technique

Volatile organic gases (VOCs) are common air pollutants. VOCs have a wide range of sources, and industrial sources mainly come from key industries such as petrochemicals, pharmaceuticals, printing, painting, and steel. Most of these organic substances are toxic, and volatilization into the atmosphere will not only endanger human health, but some organic waste gases will also form photochemical smog, which will lead to haze weather, therefore, it will have a certain impact on people's living environment.

The treatment technologies for waste gas in the prior art mainly include: absorption method, oxidation method, adsorption method, biological method, membrane treatment method, etc., which can effectively remove harmful substances in the waste gas and reduce the pollution of harmful substances to the environment. Purification devices have also been produced to treat the waste gas. Although the existing purification devices have a certain removal effect on the substances in the waste gas, the removal effect is limited and the removal rate is relatively low. Therefore, how to produce medium and high-efficiency purification devices has become a Many manufacturers have to solve the problem.

Utility model content

Aiming at the deficiencies in the prior art, the utility model provides a purification device for volatile organic compounds in flue gas to solve the problems in the prior art.

In order to achieve the above object, the technical scheme adopted by the utility model is as follows:

A device for purifying volatile organic compounds in flue gas, comprising a housing, the left end of the housing is provided with an air inlet, the right end of the housing is provided with an air outlet, and the lower end of the housing is provided with a recovery box, and the inside of the housing is from left to The first purification pipeline and the second purification pipeline are provided in turn on the right, and a deflector is arranged between the first purification pipeline and the second purification pipeline, and the first filter is arranged in sequence from left to right in the first purification pipeline. device and a second filter device, the first filter device is obliquely arranged in the first purification pipeline, the air inlet is arranged below the first filter device, and the second filter device includes a filter screen, a storage tank and Feed pipe, the upper end of the shell is provided with a liquid feed port, the liquid feed port is arranged above the filter screen, the storage tank is connected with the liquid feed port through the feed pipe; the second purification pipeline From left to right, ultraviolet lamps and packing layers are provided in turn; the filter screen is a W-shaped filter screen.

As an improvement of the utility model, the first filter device is a filter plate.

As an improvement of the utility model, the acute angle formed between the filter plate and the first purification pipeline is 45°.

As an improvement of the utility model, the angle formed between the deflector and the second purification pipeline is 145°.

As an improvement of the utility model, the number of said filter nets is at least two.

Owing to having adopted above technology, the utility model has the beneficial effect compared with prior art as follows:

The utility model is a device for purifying volatile organic compounds in flue gas with simple structure, safety and reliability, convenient use and low cost. The utility model is equipped with a first filter device, a second filter device, an ultraviolet lamp and a filler layer, which can filter the gas in turn, and effectively remove dust and impurities in the gas, effectively improving the efficiency of gas purification; the filter in the utility model is a W-shaped filter, which can disperse and filter the gas, effectively improving the efficiency of gas purification. The efficiency of the reaction.

Description of drawings

Fig. 1 is a schematic structural view of a purification device for volatile organic compounds in flue gas;

In the figure: 1. shell, 2. air inlet, 3. air outlet, 4. recovery box, 5. first purification pipeline, 6. second purification pipeline, 7. deflector, 8. first filter device, 9. Second filtering device, 10. Filter screen, 11. Storage tank, 12. Feeding pipe, 13. Liquid feeding port, 14. Ultraviolet lamp, 15. Packing layer.

detailed description

Below in conjunction with accompanying drawing and specific embodiment, further illustrate the utility model.

It can be seen from the accompanying drawings that a device for purifying volatile organic compounds in flue gas includes a housing 1, the left end of the housing 1 is provided with an air inlet 2, the right end of the housing 1 is provided with an air outlet 3, and the lower end of the housing 1 is provided with There is a recovery box 4, and the shell 1 is provided with a first purification pipeline 5 and a second purification pipeline 6 sequentially from left to right, and a deflector 7 is arranged between the first purification pipeline 5 and the second purification pipeline 6 , the first filter device 8 and the second filter device 9 are sequentially arranged in the first purification pipeline 5 from left to right, the first filter device 8 is obliquely arranged in the first purification pipeline 5, and the air inlet 2 is arranged below the first filter device 8, the second filter device 9 includes a filter screen 10, a storage tank 11 and a feed pipe 12, the upper end of the shell 1 is provided with a liquid feed port 13, and the liquid feed The feed port 13 is arranged above the filter screen 10, and the storage tank 11 is connected to the liquid feed port 13 through the feed pipe 12; an ultraviolet lamp 14 and a packing layer are sequentially arranged in the second purification pipeline 6 from left to right 15.

The first filter device 8 is a filter plate.

The acute angle formed between the filter plate and the first purification pipeline 5 is 45°, and the filter plate arranged obliquely can quickly filter the gas, and quickly drop the dust and impurities on the filter plate into the recovery box 4 Inside, and the gas is recovered and filtered.

The angle formed between the deflector 7 and the second purification pipeline 6 is 145°, so that the air passing through the first purification pipeline 5 can quickly enter the second purification pipeline 6 to purify the gas.

The number of the filter screens 10 is at least two, and the filter screens 10 are W-shaped filter screens 10, which can increase the contact area between the gas and the circulating fluid, and effectively improve the filtering efficiency.

The storage tank 11 is equipped with common circulating liquids such as sodium hypochlorite, hydrogen peroxide and Fenton's reagent. The circulating liquid passes through the feed pipe 12 and enters the liquid feed port 13, and falls onto the filter screen 10. The gas passes through the filter coated with the circulating liquid. The net 10 and the filter net 10 can disperse the gas, and the dispersed gas reacts with the circulating liquid stained on the filter net 10, which effectively improves the efficiency of the gas reaction.

The motor is connected with the purification device.

The utility model, the specific use process is as follows: the volatile organic gas enters the device from the air inlet 2, and is filtered by the first filter device 8, and the impurities and dust in the gas are effectively removed; the gas after being filtered once passes through The second filter device 9 passes through the filter screen 10 sprayed with circulating liquid, and performs secondary filtration on the flue gas, and the gas after air filtration enters the second purification pipeline 6 and is irradiated by the ultraviolet lamp 14 The chemical oxidation is carried out, and the gas is passed into the packing layer 15. After the packing layer 15 absorbs the gas, the gas is discharged out of the device through the gas outlet 3.

The recovery box 4 can recover the impurities generated in the process of gas filtration, effectively reducing the pollution to the environment.

The utility model is equipped with a first filter device 8, a second filter device 9, an ultraviolet lamp 14 and a packing layer 15, which can filter the gas in sequence, and effectively remove dust and impurities in the gas, effectively improving the efficiency of gas purification . In the utility model, the circulating liquid is added dropwise to the filter screen 10 and the gas is filtered, which can effectively increase the contact area between the gas and the circulating liquid, thereby effectively improving the filtration efficiency of gas recovery.

The above-described embodiments are only preferred technical solutions of the present utility model, and should not be regarded as limitations on the present utility model. The protection scope of the present utility model should be the technical solution described in the claims, including the technical features in the technical solution described in the claims. The equivalent replacement scheme is the protection scope, that is, the equivalent replacement improvement within this scope is also within the protection scope of the present invention.

Claims (5)

1. A purification device for volatile organic compounds in flue gas, characterized in that: it comprises a shell, the left end of the shell is provided with an air inlet, the right end of the shell is provided with an air outlet, and the lower end of the shell is provided with a recovery box, so A first purification pipeline and a second purification pipeline are provided in sequence from left to right in the casing, and a deflector is arranged between the first purification pipeline and the second purification pipeline. A first filter device and a second filter device are provided in sequence, the first filter device is obliquely arranged in the first purification pipeline, the air inlet is arranged below the first filter device, and the second filter device includes a filter Net, storage tank and feed pipe, the upper end of the shell is provided with a liquid feed port, the liquid feed port is arranged above the filter screen, and the storage tank is connected to the liquid feed port through the feed pipe; Ultraviolet lamps and packing layers are sequentially arranged in the second purification pipeline from left to right; the filter screen is a W-shaped filter screen. 2 . The device for purifying volatile organic compounds in flue gas according to claim 1 , wherein the first filter device is a filter plate. 3 . 3. The device for purifying volatile organic compounds in flue gas according to claim 2, characterized in that: the acute angle formed between the filter plate and the first purification pipeline is 45°. 4 . The device for purifying volatile organic compounds in flue gas according to claim 1 , wherein the angle formed between the guide plate and the second purification pipe is 145°. 5 . The device for purifying volatile organic compounds in flue gas according to claim 1 , wherein the number of said filter screens is at least two. 5 .