CN220531224U - Biological purification waste gas device - Google Patents

Abstract

The utility model relates to a biological waste gas purifying device in the field of waste gas purifying devices, which comprises a purifying box body, an air inlet and an air outlet, wherein a first filtering chamber, a second filtering chamber and a third filtering chamber are arranged in the purifying box body, a packing layer is arranged in the second filtering chamber, a demisting layer is arranged in the third filtering chamber, a spraying assembly is also arranged in the purifying box body, the spraying assembly comprises a pre-spraying head, a watering head, a circulating water tank and a circulating water pump, the pre-spraying head is arranged in the first filtering chamber, the spraying head is arranged in the second filtering chamber, the watering head is arranged in the packing layer, liquid can fully wet the whole packing layer through the watering head, so that microorganisms can grow more uniformly in the packing layer, the waste gas purifying effect is improved, the waste gas is sprayed through the pre-spraying head, particles such as dust can be attached to the surface of water drops on the bottom surface of the first filtering chamber, and the packing layer is prevented from being blocked by the particles such as dust.

Description

Biological purification waste gas device

Technical Field

The utility model relates to the field of waste gas purifying devices, in particular to a biological waste gas purifying device.

Background

Exhaust gas treatment is also known as exhaust gas purification. The waste gas treatment refers to the work of pretreating waste gas generated in industrial places and factory workshops before external discharge so as to reach the national standard of external discharge of waste gas. The common waste gas treatment comprises the aspects of organic waste gas treatment, dust waste gas treatment, acid-base waste gas treatment, peculiar smell waste gas treatment, air sterilization, disinfection, purification and the like.

The spraying system in the existing biotrickling filter sprays to the packing layer from the top of the tower, water flows into the packing layer below the tower body, liquid sprayed from the top of the tower is difficult to uniformly distribute due to a certain thickness of the packing layer, especially microorganisms in the middle and lower packing layers can be insufficient in nutrition and influence the growth of microorganisms, so that the waste gas purifying effect is poor, and the waste gas generally contains more dust and other particles, and the dust and other particles can be adhered to the packing layer when passing through the packing layer, so that the packing layer is easy to block.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a biological waste gas purifying device, which can effectively solve the technical problems that microorganisms in a filler layer grow unevenly and the filler layer is easy to block.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a biological purification exhaust gas unit, includes purifying box, air inlet and gas vent set up respectively in purifying box's both sides, be provided with first filter chamber, second filter chamber and third filter chamber in the purifying box, first filter chamber, second filter chamber and third filter chamber are arranged in proper order from the air inlet to the gas vent direction, through first air flue intercommunication between first filter chamber and the second filter chamber, through second air flue intercommunication between second filter chamber and the third filter chamber, be provided with the packing layer in the second filter chamber, be provided with the defogging layer in the third filter chamber, be provided with the organic filler of being convenient for microorganism and adhere to in the packing layer, still be provided with the spray subassembly in the purifying box, spray the subassembly including pre-shower nozzle, the shower head, the watering head, circulating water tank and circulating water pump, pre-shower nozzle sets up in first filter chamber, the shower head sets up in the second filter chamber, the watering head sets up in the packing layer, pre-shower nozzle, the shower head, the watering head passes through the raceway and is connected with circulating water pump, circulating water pump communicates with circulating water tank.

Further, an air extraction fan is arranged in each of the first air passage and the second air passage.

Further, the defogging layer is through installing support detachable installs in the third filter chamber, and the upper surface and the lower surface of installing support all are provided with ventilative filter screen.

Further, the lower ends of the first filtering chamber and the second filtering chamber are respectively provided with a liquid collecting tank, and the liquid collecting tanks are connected with the circulating water tank through a recycling water pipe.

Further, the one end that is close to the recovery water pipe of circulation water tank is provided with detachable filter core.

Further, the spray heads and the irrigation heads are provided with a plurality of spray heads which are uniformly arranged above the packing layer, and the irrigation heads are uniformly distributed in the packing layer.

Compared with the prior art, the utility model has the beneficial effects that: be provided with the watering head, the watering head sets up in the packing layer, make the whole packing layer of liquid ability fully moisten, prevent that the upper end of packing layer and the humidity degree of lower extreme from inconsistent and the microorganism business of leading to the lower extreme from being insufficient, make microorganism growth more even in the packing layer, improve waste gas purifying effect, be provided with the shower nozzle in advance, waste gas is before getting into the second filter chamber, spray it through the shower nozzle in advance in first filter chamber, make particulate matters such as dust in the waste gas adhere to the surface of water droplet, and along with the water droplet fall on the bottom surface of first filter chamber, prevent particulate matters such as dust get into the second filter chamber and make the packing layer jam.

Drawings

FIG. 1 is a schematic diagram of a biological waste gas purifying device according to the present utility model;

FIG. 2 is a schematic diagram of a packing layer in a biological waste gas purifying device according to the present utility model;

the reference numbers in the figure are 1-purifying box body, 2-air inlet, 3-air outlet, 4-first filtering chamber, 5-second filtering chamber, 6-third filtering chamber, 7-first air passage, 8-second air passage, 9-packing layer, 10-demisting layer, 11-organic filler, 12-pre-spray head, 13-spray head, 14-irrigation head, 15-circulating water tank, 16-circulating water pump, 17-water pipe, 18-recovering water pipe, 19-filtering element, 20-air suction fan, 21-mounting bracket, 22-ventilation filtering net and 23-liquid collecting tank.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

A biological purification exhaust gas apparatus of the present utility model will be described in detail with reference to fig. 1 and 2 as follows:

the utility model provides a biological purification exhaust gas device, includes purifying box 1, air inlet 2 and gas vent 3, and air inlet 2 and gas vent 3 set up respectively in purifying box 1's both sides, be provided with first filter chamber 4, second filter chamber 5 and third filter chamber 6 in the purifying box 1, first filter chamber 4, second filter chamber 5 and third filter chamber 6 arrange in proper order from air inlet 2 to gas vent 3 direction, communicate through first air flue 7 between first filter chamber 4 and the second filter chamber 5, communicate through second air flue 8 between second filter chamber 5 and the third filter chamber 6, all be provided with air exhaust fan 20 in first air flue 7 and the second air flue 8, mist elimination layer 10 is through installing support 21 detachable installation in third filter chamber 6, and the upper surface and the lower surface of installing support 21 all are provided with ventilative filter screen 22.

The filter chamber 5 is internally provided with a packing layer 9, the third filter chamber 6 is internally provided with a mist removing layer 10, the packing layer 9 is internally provided with an organic filler 11 which is convenient for microorganism adhesion, the purifying box body 1 is internally provided with a spraying component, the spraying component comprises a pre-spray head 12, a spray head 13, a watering head 14, a circulating water tank 15 and a circulating water pump 16, the pre-spray head 12 is arranged in the first filter chamber 4, the spray head 13 is arranged in the second filter chamber 5, the watering head 14 is arranged in the packing layer 9, the pre-spray head 12, the spray head 13 and the watering head 14 are connected with the circulating water pump 16 through a water pipe 17, the circulating water pump 16 is communicated with the circulating water tank 15, the lower ends of the first filter chamber 4 and the second filter chamber 5 are both provided with a liquid collecting tank 23, the liquid collecting tank 23 is connected with the circulating water tank 15 through a circulating water pipe 18, one end of the circulating water tank 15, which is close to the circulating water pipe 18, the spray head 13 and the watering head 14 are provided with a plurality of detachable filter cores 19, the plurality of spray heads 13 are uniformly arranged above the packing layer 9, and the plurality of heads 14 are uniformly distributed in the packing layer 9.

In the biological waste gas purifying device of the embodiment, waste gas enters the purifying box body 1 and is pre-sprayed in the first filtering chamber 4, harmful substances are filtered in the second filtering chamber 5 through the packing layer 9, and finally moisture in the gas is removed in the third filtering chamber 6 through the mist removing layer 10 and finally discharged. Be provided with watering head 14, watering head 14 sets up in packing layer 9, make the whole packing layer 9 of liquid ability fully moisten, prevent that the upper end of packing layer 9 and the moist degree of lower extreme from inconsistent and leading to the microorganism business of lower extreme from being insufficient, make microorganism grow more even in packing layer 9, improve the waste gas purifying effect, be provided with the pre-spray head 12, waste gas is before getting into second filter chamber 5, spray it through pre-spray head 12 in first filter chamber 4 earlier, make the particulate matter such as dust in the waste gas adhere to the surface of water droplet, and along with the water droplet falls on the bottom surface of first filter chamber 4, prevent particulate matter such as dust from getting into second filter chamber 5 and making packing layer 9 jam.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a biological purification exhaust gas device, includes purifying box, air inlet and gas vent, and air inlet and gas vent set up in purifying box's both sides, its characterized in that respectively: the purifying box body is internally provided with a first filtering chamber, a second filtering chamber and a third filtering chamber, the first filtering chamber, the second filtering chamber and the third filtering chamber are sequentially arranged from an air inlet to an air outlet, the first filtering chamber is communicated with the second filtering chamber through a first air passage, the second filtering chamber is communicated with the third filtering chamber through a second air passage, a packing layer is arranged in the second filtering chamber, a defogging layer is arranged in the third filtering chamber, organic fillers which are convenient for microorganism adhesion are arranged in the packing layer, a spraying assembly is further arranged in the purifying box body, the spraying assembly comprises a pre-spraying head, a watering head, a circulating water tank and a circulating water pump, the pre-spraying head is arranged in the first filtering chamber, the spraying head is arranged in the second filtering chamber, the pre-spraying head, the watering head are connected with the circulating water tank through a water pipe, and the circulating water pump is communicated with the circulating water tank.

2. A biological purification exhaust gas apparatus according to claim 1, wherein: and air extraction fans are arranged in the first air passage and the second air passage.

3. A biological purification exhaust gas apparatus according to claim 1, wherein: the defogging layer is through installing support detachable installs in the third filter chamber, and the upper surface and the lower surface of installing support all are provided with ventilative filter screen.

4. A biological purification exhaust gas apparatus according to any one of claims 1-3, characterized in that: the lower ends of the first filtering chamber and the second filtering chamber are respectively provided with a liquid collecting tank, and the liquid collecting tanks are connected with the circulating water tank through a recycling water pipe.

5. The apparatus for biologically purifying an exhaust gas according to claim 4, wherein: and a detachable filter element is arranged at one end of the circulating water tank, which is close to the recovery water pipe.

6. A biological purification exhaust gas apparatus according to any one of claims 1-3, characterized in that: the shower heads and the irrigation heads are provided with a plurality of shower heads which are uniformly arranged above the packing layer, and the irrigation heads are uniformly distributed in the packing layer.