CN210944999U

CN210944999U - Submerged aerobic biofilter

Info

Publication number: CN210944999U
Application number: CN201921831022.7U
Authority: CN
Inventors: 陈晓英
Original assignee: Shanghai Xinyun Environmental Protection Technology Co ltd
Current assignee: Shanghai Xinyun Environmental Protection Technology Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-07-07
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a submerged aerobic biofilter, including primary filter, the lateral wall is close to the right-hand member and is provided with the filter grid around primary filter is inside, primary filter right-hand member surface is close to the upper end and is provided with the inlet tube, a water pump is installed near the left end to the inside back lateral wall in primary filter, a valve is installed to primary filter lower extreme, primary filter left side is provided with aerobic biofilter, the aerobic biofilter inside wall is close to the bottom and is provided with the biological biofilm carrier medium, biological biofilm carrier upper end surface is provided with aerobic flora, the fan is installed on aerobic biofilter right side, the guide duct is installed to the fan left end. This submerged aerobic biofilter is provided with sludge dewaterer and conveyer belt, makes things convenient for the staff to handle silt, can effectually detach the ammonia nitrogen part of aquatic, the effectual water economy water that has utilized.

Description

Submerged aerobic biofilter

Technical Field

The utility model relates to a filtering pond technical field specifically is a submerged aerobic biological filter.

Background

The filter is used for filtering, some filters are used for removing suspended matters in water to obtain water with lower turbidity, some filters are used for removing water in sludge to obtain sludge with lower water content, and the filters are of various types and can be divided into a fast filter and a slow filter according to the size of a filtering speed.

The filter tank on the market has poor filtering effect, wastes a large amount of water resources during cleaning, cannot well treat generated sludge, and brings trouble to users.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a submerged aerobic biofilter to solve the filtering pond filter effect on the market that proposes in the above-mentioned background art not good, extravagant a large amount of water resources when wasing, to the processing that the silt that produces can not be fine, bring troublesome problem for the user.

In order to achieve the above object, the utility model provides a following technical scheme: a submerged aerobic biofilter comprises a primary filter, wherein the front and rear side walls in the primary filter are provided with filter grids close to the right end, the surface of the right end of the primary filter is provided with a water inlet pipe close to the upper end, the rear side wall in the primary filter is provided with a water pump close to the left end, the lower end of the primary filter is provided with a valve, the left side of the primary filter is provided with the aerobic biofilter, the inner side wall of the aerobic biofilter is provided with a biofilm medium close to the bottom end, the upper end surface of the biofilm medium is provided with an aerobic flora, the right side of the aerobic biofilter is provided with a fan, the left end of the fan is provided with a wind guide pipe, the upper end surface of the wind guide pipe is provided with a plurality of groups of air outlets, the left side of the aerobic biofilter is provided with a secondary filter, the front and rear side walls, no. two valves are installed to second grade filtering pond lower extreme, second grade filtering pond right-hand member surface is close to the lower extreme and is provided with the drain pipe, second grade filtering pond right side is close to the below and is provided with the sedimentation tank, sedimentation tank inside bottom is provided with alum, the inside back lateral wall of sedimentation tank is close to the right-hand member and installs No. three water pumps, the sedimentation tank right side is provided with sludge dewaterer, sludge inlet has been seted up to sludge dewaterer left end, sludge dewaterer right-hand member is provided with two sets of supports, install the conveyer belt between two sets of supports, No. three water pumps are.

Preferably, the biofilm culturing medium consists of a plurality of groups of cobblestones, and the aerobic flora is attached to the surfaces of the plurality of groups of cobblestones.

Preferably, a plurality of groups of the air outlets are equidistantly distributed on the surface of the upper end of the air guide pipe.

Preferably, the conveying belt is movably arranged inside the sludge dewatering machine through the matching of a motor and a support.

Preferably, the double-layer filter plate consists of an activated carbon plate and a microporous filter membrane, and a plurality of groups of holes with the diameter of five millimeters are uniformly distributed on the surface of the filter grid.

Preferably, the alum in the plurality of groups is uniformly distributed in the sedimentation tank in a granular shape.

Compared with the prior art, the beneficial effects of the utility model are that: the sewage subjected to primary treatment in the submerged aerobic biofilter can remove part of ammonia nitrogen impurities in the sewage under the action of aerobic flora, meanwhile, solid impurities in the water can be removed under the action of a double-layer filter plate, the filtered water is pumped back to the aerobic biofilter through a second water pump, and then the steps are repeated, so that the ammonia nitrogen part in the water can be well removed through multiple times of circulating filtration, and the water is effectively purified;

when the submerged aerobic biofilter is cleaned, water flow enters the secondary filter from the drain pipe, solid suspended matters, generation and biological solids on the surfaces of the right end and the right end of the double-layer filter plate can be effectively removed according to the back flushing principle, impurities and waste water can enter the sedimentation tank, a plurality of groups of alum are uniformly distributed in the sedimentation tank in a granular form and can be fully mixed with soluble impurities in the water to form solid suspended matters to be precipitated at the bottom end of the sedimentation tank, the clean water at the upper end of the sedimentation tank can back flush the primary filter under the action of the third water pump, the impurities and the waste water can enter the sedimentation tank, the filter can be well flushed, and water resources are effectively utilized;

this submerged aerobic biofilter is through being provided with sludge dewaterer, and the silt that washs the production can carry out solid-liquid separation under sludge dewaterer's effect, and the motor drives the conveyer belt and can transport the solid of separating out from sludge dewaterer in, makes things convenient for the staff to handle silt.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the aerobic biofilter of the present invention;

FIG. 3 is a schematic view of the sludge dewatering machine of the present invention.

In the figure: 1. a primary filter tank; 2. a filter grid; 3. a water pump I; 4. an aerobic biofilter; 5. an aerobic flora; 6. a biofilm formation medium; 7. a fan; 8. an air guide pipe; 9. an air outlet; 10. a secondary filter tank; 11. a double-layer filter plate; 12. a second water pump; 13. a first valve; 14. a second valve; 15. a sedimentation tank; 16. alum; 17. a third water pump; 18. a water pipe; 19. a sludge dewatering machine; 20. a sludge inlet; 21. a support; 22. a conveyor belt; 23. a water inlet pipe; 24. and a water discharge pipe.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a submerged aerobic biofilter comprises a primary filter 1, a filter grid 2, a first water pump 3, an aerobic biofilter 4, an aerobic flora 5, a biofilm culturing medium 6, a fan 7, an air guide pipe 8, an air outlet 9, a secondary filter 10, a double-layer filter plate 11, a second water pump 12, a first valve 13, a second valve 14, a sedimentation tank 15, alum 16, a third water pump 17, a water pipe 18, a sludge dewatering machine 19, a sludge inlet 20, a bracket 21, a conveyor belt 22, a water inlet pipe 23 and a water drain pipe 24, wherein the filter grid 2 is arranged on the front side wall and the rear side wall of the interior of the primary filter 1 close to the right end, a plurality of groups of holes with the diameter of five millimeters are uniformly distributed on the surface of the filter grid 2, solid impurities such as sand stones and the like in water can be effectively filtered, the water inlet pipe 23 is arranged on the surface of the right end of the primary filter 1 close to the, the lower end of the primary filter 1 is provided with a first valve 13;

a biofilm culturing medium 6 is arranged on the inner side wall of the aerobic biofilter 4 close to the bottom end, aerobic biological groups 5 are arranged on the upper end surface of the biofilm culturing medium 6, the biofilm culturing medium 6 is composed of a plurality of groups of cobblestones, the cobblestone support performance and the biofilm culturing performance are good, the aerobic biological groups 5 can be well attached to the surfaces of the cobblestones, a fan 7 is arranged on the right side of the aerobic biofilter 4, an air guide pipe 8 is arranged at the left end of the fan 7, a plurality of groups of air outlets 9 are formed in the upper end surface of the air guide pipe 8, and the fan 7 can provide sufficient oxygen required for survival for the aerobic biological groups 5 in the aerobic biofilter 4 through the air outlets 9;

the front side wall and the rear side wall of the interior of the secondary filter 10 are provided with double-layer filter plates 11, the double-layer filter plates 11 are composed of activated carbon plates and micro-porous filter membranes, solid suspended matters and generated biological solids in water can be effectively filtered, a second water pump 12 is arranged at the bottom end of the interior of the secondary filter 10 close to the left side, a second valve 14 is arranged at the lower end of the secondary filter 10, and a drain pipe 24 is arranged at the surface of the right end of the secondary filter 10;

the bottom end in the sedimentation tank 15 is provided with alum 16, a plurality of groups of alum 16 are evenly distributed in the sedimentation tank 15 in a granular shape and can be fully mixed with soluble impurities in water to form solid suspended matters to be removed, a third water pump 17 is arranged on the rear side wall close to the right end in the sedimentation tank 15, a sludge dewatering machine 19 is arranged on the right side of the sedimentation tank 15, can well separate solid and liquid from the sludge at the bottom end in the sedimentation tank 15, is convenient for workers to treat the sludge generated by the equipment, the left end of the sludge dewatering machine 19 is provided with a sludge inlet 20, the right end of the sludge dewatering machine 19 is provided with two groups of brackets 21, a conveyor belt 22 is arranged between the two groups of brackets 21, the conveyor belt 22 is movably arranged in the sludge dewatering machine 19 by matching a motor and the brackets 21, the separated solid can be well conveyed out of the sludge dewatering machine 19, the treatment by workers is convenient, and the third water pump 17 is connected with the primary filter tank 1 through a water pipe 18.

The working principle is as follows: for the submerged aerobic biofilter, firstly, a third water pump 17 is connected with a water pipe 18 with the primary filter 1, sewage enters the primary filter 1 through a water inlet pipe 23, a plurality of groups of holes with the diameter of five millimeters are uniformly distributed on the surface of a filter grid 2, solid impurities such as sand and stone in the water can be effectively filtered, the primarily filtered water enters the aerobic biofilter 4 through a first water pump 3, an aerobic flora 5 arranged on the upper end surface of a biofilm medium 6 at the bottom end of the aerobic biofilter 4 can partially convert ammonia nitrogen in the water into biosolids, a fan 7 can provide oxygen required by sufficient survival for the aerobic flora 5 in the aerobic biofilter 4 through a plurality of groups of air outlets 9, and biosolids generated by newly formed metabolism of the biosolids 5 enter the secondary filter 10 under the action of water flow, the double-layer filter plate 11 consists of an activated carbon plate and a microporous filtering membrane, solid suspended matters in water and generated biological solids can be effectively reserved at the right end of the double-layer filter plate 11, the filtered water can return to the aerobic biofilter 4 through a second water pump 12 to be filtered again, ammonia nitrogen parts in the water can be effectively removed through multiple circulation, clean water can be discharged from a drain pipe 24, a first valve 13 and a second valve 14 are opened after filtering is finished, the water flows into the secondary filter 10 from the drain pipe 24, the solid suspended matters and generated and biological solids on the surfaces of the right end and the right end of the double-layer filter plate 11 can be effectively removed according to the back washing principle, impurities can enter the sedimentation tank 15, a plurality of groups of alum 16 are uniformly distributed in the sedimentation tank 15 in a granular manner and can be fully mixed with soluble impurities in the water to form solid suspended matters to be precipitated at the bottom end of the, the cleaner water in the upper end of the sedimentation tank 15 can be used for backwashing the primary filter tank 1 under the action of the third water pump 17, so that water resources are effectively utilized, the sludge generated by cleaning can be subjected to solid-liquid separation under the action of the sludge dewatering machine 19, the conveyor belt 22 can convey separated solids out of the sludge dewatering machine 19 through the matching of the motor and the support 21, and the treatment of workers is facilitated.

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. A submerged aerobic biofilter comprising a primary filter (1), characterized in that: the aerobic biofilter is characterized in that a filter grid (2) is arranged on the front side wall and the rear side wall inside the primary filter (1) close to the right end, a water inlet pipe (23) is arranged on the surface of the right end of the primary filter (1) close to the upper end, a water pump (3) is arranged on the rear side wall inside the primary filter (1) close to the left end, a valve (13) is arranged at the lower end of the primary filter (1), an aerobic biofilter (4) is arranged on the left side of the primary filter (1), a biofilm media (6) is arranged on the inner side wall of the aerobic biofilter (4) close to the bottom end, an aerobic flora (5) is arranged on the upper end surface of the biofilm media (6), a fan (7) is arranged on the right side of the aerobic biofilter (4), an air guide pipe (8) is arranged at the left end of the fan (7), a plurality of air outlets (9) are, double-deck filter (11) are installed to the inside front and back lateral wall in second grade filtering pond (10), No. two water pump (12) are installed near the left side in the inside bottom in second grade filtering pond (10), No. two valve (14) are installed to second grade filtering pond (10) lower extreme, second grade filtering pond (10) right-hand member surface is close to the lower extreme and is provided with drain pipe (24), second grade filtering pond (10) right side is close to the below and is provided with sedimentation tank (15).

2. A submerged aerobic biological filter according to claim 1 wherein: and alum (16) is arranged at the bottom end inside the sedimentation tank (15).

3. A submerged aerobic biological filter according to claim 2 wherein: the inside back lateral wall of sedimentation tank (15) is close to the right-hand member and installs No. three water pump (17), sedimentation tank (15) right side is provided with sludge dewaterer (19).

4. A submerged aerobic biological filter according to claim 3 wherein: the left end of the sludge dewatering machine (19) is provided with a sludge inlet (20).

5. A submerged aerobic biological filter according to claim 3 wherein: sludge dewaterer (19) right-hand member is provided with two sets of supports (21), install conveyer belt (22) between two sets of supports (21), No. three water pump (17) are connected with water pipe (18) with primary filter (1).

6. A submerged aerobic biological filter according to claim 1 wherein: the biological biofilm culturing medium (6) is composed of a plurality of groups of cobblestones, and the aerobic biological groups (5) are attached to the surfaces of the cobblestones.

7. A submerged aerobic biological filter according to claim 1 wherein: the air outlets (9) of a plurality of groups are distributed on the upper end surface of the air guide pipe (8) at equal intervals.

8. A submerged aerobic biological filter according to claim 5, wherein: the conveying belt (22) is movably arranged in the sludge dewatering machine (19) through the matching of a motor and the bracket (21).

9. A submerged aerobic biological filter according to claim 1 wherein: the double-layer filter plate (11) consists of an activated carbon plate and a microporous filter membrane, and a plurality of groups of holes with the diameter of five millimeters are uniformly distributed on the surface of the filter grid (2).

10. A submerged aerobic biological filter according to claim 2 wherein: the alum (16) in a plurality of groups are uniformly distributed in the sedimentation tank (15) in a granular shape.