CN217188847U

CN217188847U - Biological filter purifier for exhaust-gas treatment

Info

Publication number: CN217188847U
Application number: CN202122772000.1U
Authority: CN
Inventors: 施佳鸣; 习虎
Original assignee: Yulan Environmental Protection Technology Suzhou Co ltd
Current assignee: Yulan Environmental Protection Technology Suzhou Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-08-16
Anticipated expiration: 2031-11-12

Abstract

The utility model relates to a waste water treatment technical field specifically is a biological filter purifier for exhaust-gas treatment, including scrubbing tower, biological filter tower, storage water tank and tank, the top of scrubbing tower is equipped with waste gas and gets into the pipeline, and the bottom of scrubbing tower is equipped with exhaust gas discharge pipe, and exhaust gas discharge pipe communicates with the bottom of biological filter tower, and the top inboard of scrubbing tower is equipped with first shower, and the bottom of scrubbing tower is equipped with first waste water discharge pipe, and first shower passes through the washer pump and is connected with storage water tank, first waste water discharge pipe and water tank connection. The utility model provides a scrubbing tower can get rid of most solid particle in the waste gas to avoid the impurity in the waste gas to destroy the biomembrane, the nutrient solution top-down blowout in the biological filtration tower in addition also can wash the impurity that adheres to on the biomembrane, thereby improved exhaust-gas treatment efficiency.

Description

Biological filter purifier for exhaust-gas treatment

Technical Field

The utility model relates to a waste water treatment technical field specifically is a biological filter purifier for exhaust-gas treatment.

Background

The biomembrane purifying technology is one effective method developed in recent years and with low operation cost, and is used in organic biodegradation process in natural world for treating industrial waste gas, especially for purifying organic waste gas. At present, the treatment device for purifying waste gas by using microbial degradation is still generally less, and in the use process, because of lacking of a corresponding waste gas washing mechanism, the waste gas is directly introduced into the purification device, so that solid particles in the waste gas easily damage a biological membrane or are attached to the surface of the biological membrane, and then the degradation capability of microorganisms is reduced. Therefore, we propose a biofilter purification device for exhaust gas treatment to solve the above disadvantages well.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a biological filter purifier for exhaust-gas treatment through setting up the scrubbing tower in order to carry out the preliminary treatment to waste gas, has solved the problem that proposes among the above-mentioned background art.

The utility model discloses a can realize through following technical scheme:

a biofilter purification device for waste gas treatment comprises a washing tower, a biological filter tower, a water storage tank and a water storage tank, wherein a waste gas inlet pipeline is arranged at the top of the washing tower, a waste gas discharge pipeline is arranged at the bottom of the washing tower and is communicated with the bottom of the biological filter tower, a first spray pipe is arranged on the inner side of the top of the washing tower, a first waste water discharge pipe is arranged at the bottom of the washing tower, the first spray pipe is connected with the water storage tank through a washing pump, and the first waste water discharge pipe is connected with the water storage tank; a microorganism filtering mechanism is arranged in the middle section of the interior of the biological filtering tower, a second spraying pipe is arranged in the biological filtering tower and above the microorganism filtering mechanism, the second spraying pipe is connected with the water storage tank through a spraying pump, a purified gas discharge pipeline is arranged at the top of the biological filtering tower, a second wastewater discharge pipe is arranged at the bottom of the biological filtering tower, and the second wastewater discharge pipe is connected with the water storage tank; still include the sewage treatment pond, storage water tank and tank are all connected with the sewage treatment pond through the pipeline.

Preferably, the biological filter mechanism comprises a grating and biological filler stacked on the grating.

Preferably, the inside of storage water tank is equipped with the filter screen, the filter screen separates into waste water cavity and purified water cavity with the inner space of storage water tank, first waste water discharge pipe and waste water cavity intercommunication, the washing pump is communicated with the purified water cavity.

Preferably, the lateral wall of scrubbing tower is equipped with first access hole, the lateral wall of biological filtration tower is equipped with the second access hole.

Compared with the prior art, the utility model provides a biological filter purifier for exhaust-gas treatment possesses following beneficial effect:

1. the washing tower in the utility model can remove most solid particles in the waste gas, thereby avoiding the impurities in the waste gas from damaging the biological membrane, and in addition, the nutrient solution in the biological filter tower is sprayed from top to bottom, and the impurities attached to the biological membrane can be washed out, thereby improving the waste gas treatment efficiency;

2. the utility model discloses utilize storage water tank and tank to send into water and nutrient solution respectively in scrubbing tower and the biological filter tower, and send into water and the nutrient solution in scrubbing tower and the biological filter tower and finally can return in storage water tank and the tank equally to constitute a circulation, help practicing thrift manufacturing resource, reduce purification cost.

Drawings

FIG. 1 is a process flow chart of the present invention.

In the figure: 1. a washing tower; 2. a biological filtration tower; 3. a water storage tank; 4. a water storage tank; 5. waste gas enters a pipeline; 6. an exhaust gas discharge line; 7. a first shower pipe; 8. a first wastewater discharge pipe; 9. a microbial filtration mechanism; 10. a second shower pipe; 11. a clean gas discharge duct; 12. a second wastewater discharge pipe; 13. a filter screen; 14. a sewage treatment tank; 15. a first access opening; 16. and a second access opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment is as follows: referring to fig. 1, a biofilter purification device for waste gas treatment comprises a washing tower 1, a biofilter 2, a water storage tank 3, a water storage tank 4, and a sewage treatment tank 14, wherein a waste gas inlet pipe 5 is arranged at the top of the washing tower 1, a waste gas outlet pipe 6 is arranged at the bottom of the washing tower 1, and the waste gas discharge pipeline 6 is communicated with the bottom of the biological filter tower 2, the waste gas enters the washing tower 1 from the waste gas inlet pipeline 5 and then enters the biological filter tower 2 through the waste gas discharge pipeline 6, the inner side of the top of the washing tower 1 is provided with a first spray pipe 7, the bottom of the washing tower 1 is provided with a first waste water discharge pipe 8, the first spray pipe 7 is connected with the water storage tank 3 through a washing pump, the first waste water discharge pipe 8 is connected with the water storage tank 3, that is, the washing pump sends the water in the water storage tank 3 into the first spraying pipe 7, and the water sprayed from the first spraying pipe 7 carries impurities in the waste gas and then returns to the water storage tank 3 through the first waste water discharge pipe 8; a filter screen 13 is arranged inside the water storage tank 3, the filter screen 13 divides the inner space of the water storage tank 3 into a wastewater cavity and a purified water cavity, wherein the first wastewater discharge pipe 8 is communicated with the wastewater cavity, and the washing pump is communicated with the purified water cavity; the water storage tank 3 and the water storage tank 4 are connected to a sewage treatment tank 14 through pipes.

The inside middle section of biological filtration tower 2 is equipped with microorganism filtering mechanism 9, microorganism filtering mechanism 9 includes the grid and piles up the biofilm carrier on the grid, the accumulational thickness of biofilm carrier is about 1.5 meters, the particle diameter of biofilm carrier is 10 millimeters to 50 millimeters, the inside of biological filtration tower 2 and the top that is located microorganism filtering mechanism 9 are equipped with second shower 10, second shower 10 passes through the spray pump and is connected with tank 4, the top of biological filtration tower 2 is equipped with net gas discharge pipe 11, the bottom of biological filtration tower 2 is equipped with second waste water discharge pipe 12, second waste water discharge pipe 12 is connected with tank 4, the waste gas that enters into biological filtration tower 2 inside moves from bottom to top, discharge from net gas discharge pipe 11 after passing through the biofilm carrier, and the nutrient solution that passes through the biofilm carrier is then returned to tank 4 through second waste water discharge pipe 12 again.

The lateral wall of scrubbing tower 1 is equipped with first access hole 15, and the lateral wall of biological filter tower 2 is equipped with second access hole 16, makes things convenient for the staff to get into scrubbing tower 1 and biological filter tower 2 and overhauls.

To sum up, the utility model discloses in the use, waste gas gets into inside the scrubbing tower 1 from waste gas entering pipeline 5, rethread waste gas discharge pipe 6 gets into in the biological filter tower 2, the waste gas that enters into biological filter tower 2 inside passes behind the biofilm carrier through clean gas discharge pipe 11 discharges, wherein, scrubbing tower 1 inside is equipped with first shower 7, first shower 7's effect is to carrying out preliminary treatment and humidification to waste gas, and get rid of the large granule impurity in the waste gas, biological filter tower 2 inside is provided with second shower 10, second shower 10 is used for spraying the nutrient solution to the biofilm carrier, a growth needs for supplying the microorganism, after waste gas passes the biofilm carrier, pollutant in the waste gas can be absorbed and converted into carbon dioxide by the microorganism, water, inorganic salt and mineral substance, thereby reach peculiar smell purification's purpose.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a biological filter purifier for exhaust-gas treatment which characterized in that: the biological filter comprises a washing tower (1), a biological filter tower (2), a water storage tank (3) and a water storage tank (4), wherein a waste gas inlet pipeline (5) is arranged at the top of the washing tower (1), a waste gas discharge pipeline (6) is arranged at the bottom of the washing tower (1), the waste gas discharge pipeline (6) is communicated with the bottom of the biological filter tower (2), a first spray pipe (7) is arranged on the inner side of the top of the washing tower (1), a first waste water discharge pipe (8) is arranged at the bottom of the washing tower (1), the first spray pipe (7) is connected with the water storage tank (3) through a washing pump, and the first waste water discharge pipe (8) is connected with the water storage tank (3); a microorganism filtering mechanism (9) is arranged in the middle section of the interior of the biological filtering tower (2), a second spraying pipe (10) is arranged in the biological filtering tower (2) and above the microorganism filtering mechanism (9), the second spraying pipe (10) is connected with the water storage tank (4) through a spraying pump, a purified gas discharge pipeline (11) is arranged at the top of the biological filtering tower (2), a second wastewater discharge pipe (12) is arranged at the bottom of the biological filtering tower (2), and the second wastewater discharge pipe (12) is connected with the water storage tank (4); still include sewage treatment pond (14), storage water tank (3) and storage water tank (4) all are connected with sewage treatment pond (14) through the pipeline.

2. A biofilter purification apparatus for exhaust gas treatment according to claim 1, wherein: the microorganism filtering mechanism (9) comprises a grating and biological fillers stacked on the grating.

3. A biofilter purification apparatus for exhaust gas treatment according to claim 1, wherein: the inside of storage water tank (3) is equipped with filter screen (13), filter screen (13) separate into waste water cavity and water purification cavity with the inner space of storage water tank (3), first waste water discharge pipe (8) and waste water cavity intercommunication, the washing pump communicates with the water purification cavity.

4. A biofilter purification apparatus for exhaust gas treatment according to claim 1, wherein: the lateral wall of scrubbing tower (1) is equipped with first access hole (15), the lateral wall of biological filtration tower (2) is equipped with second access hole (16).