CN211999321U

CN211999321U - Biological aerated filter

Info

Publication number: CN211999321U
Application number: CN201922078119.1U
Authority: CN
Inventors: 赵丰伟; 赵丽亚; 孙小燕; 战镜宇
Original assignee: Yuhong Environment Protection Tech Co ltd Zhengzhou
Current assignee: Yuhong Environment Protection Tech Co ltd Zhengzhou
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-11-24
Anticipated expiration: 2029-11-30

Abstract

The utility model discloses a biological aerated filter, the on-line screen storage device comprises a base, the upside fixed mounting of base has primary sedimentation tank, primary sedimentation tank's right side is provided with biological aerated filter, biological aerated filter's right side fixed mounting has first fixed plate, the upside fixed mounting of first fixed plate has aeration blower, aeration blower's left side fixed mounting has the aeration pipe, aeration pipe's fixed surface installs the aeration cover, aeration pipe's upside is provided with biological filter material, the inside first water pump that is provided with of primary sedimentation tank, the delivery port fixed mounting of first water pump has first pipe, the other end of first pipe extends to biological aerated filter's bottom. The utility model discloses coarse strainer and fine filter screen in the primary sedimentation tank carry out first filtration to sewage, make it reach aeration biological filter's the requirement of intaking, reduce the concentration of intaking, avoid causing biological filter material to conglomerate and block up, make aeration biological filter's intaking more smooth and easy.

Description

Biological aerated filter

Technical Field

The utility model relates to the technical field of wastewater treatment, in particular to a biological aerated filter.

Background

The biological aerated filter is called BAF for short, the process has the functions of removing SS, COD, BOD, nitrification, denitrification, dephosphorization and removing AOX (harmful substances), the biological aerated filter has mature technology and equipment in the countries such as France, England, Australia and the like in the early 90 s of the 20 th century, and a part of large-scale sewage plants also adopt the biological aerated filter process.

In the prior art, the biological aerated filter has high requirement on water inlet, the filter material can be agglomerated and blocked when the water inlet concentration is high, and the water quality of outlet water can be influenced if the biological filter material is not sufficiently washed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a biological aerated filter possesses elementary sediment and the filtration to sewage, reduces biological aerated filter's the concentration of intaking, sets up the disinfection pond, improves the advantage of the quality of water quality after purifying, has solved biological aerated filter and has higher to the requirement of intaking, and the concentration of intaking is great will cause the filter material to conglomerate and block up, if the biological filter material washes inadequately abundant, can make water quality of water receive the problem of influence.

In order to achieve the above object, the utility model provides a following technical scheme: a biological aerated filter comprises a base, wherein a primary sedimentation tank is fixedly mounted on the upper side of the base, a biological aerated filter is arranged on the right side of the primary sedimentation tank, a first fixing plate is fixedly mounted on the right side of the biological aerated filter, an aeration blower is fixedly mounted on the upper side of the first fixing plate, an aeration pipe is fixedly mounted on the left side of the aeration blower, an aeration cover is fixedly mounted on the surface of the aeration pipe, a biological filter material is arranged on the upper side of the aeration pipe, a first water pump is arranged inside the primary sedimentation tank, a first guide pipe is fixedly mounted at a water outlet of the first water pump, the other end of the first guide pipe extends to the bottom of the biological aerated filter, a clean water tank is arranged on the right side of the biological aerated filter, a first connecting pipe is fixedly connected between the biological aerated filter and the clean water tank, and a second water pump is, the water inlet fixed mounting of second water pump has the second pipe, the other end of second pipe extends to the bottom in clean water basin, the delivery port fixed mounting of second water pump has the third pipe, the other end of third pipe extends to the bottom in bological aerated filter, the right side in clean water basin is provided with the disinfection pond, fixedly connected with second connecting pipe between disinfection pond and the clean water basin, the surface of second connecting pipe is provided with first valve.

Preferably, a water outlet pipe is arranged on the right side of the disinfection tank, and a second valve is fixedly mounted inside the water outlet pipe.

Preferably, a coarse filter screen and a fine filter screen are fixedly arranged in the primary sedimentation tank.

Preferably, a sewage pump is fixedly installed on the left side of the primary sedimentation tank, and a sludge discharge pipe is fixedly installed on one side of the sewage pump.

Preferably, a second fixing plate is fixedly mounted on the right side of the disinfection tank, a disinfectant barrel is fixedly mounted on the upper side of the second fixing plate, a third water pump is arranged on the upper side of the disinfectant barrel, a medicine inlet pipe is fixedly connected to one side of the third water pump, and the other end of the medicine inlet pipe extends to the inside of the disinfection tank.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a coarse strainer and fine filter screen in the primary sedimentation tank carry out first filtration to sewage, make it reach the requirement of intaking in bological aerated filter, reduce the concentration of intaking, avoid causing biological filter material to conglomerate and block up, make bological aerated filter intake more smooth and easy.

2. The utility model discloses a disinfection pond disinfects to the water after purifying, improves the quality of water after the aeration purifies, and disinfectant barrel passes through the third water pump, makes the antiseptic solution in the disinfectant barrel can enter into the disinfection pond automatically, reduces the manual work volume, makes things convenient for putting in of disinfectant.

Drawings

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

fig. 2 is a schematic structural view of the cross section of the present invention.

In the figure: the device comprises a base 1, a primary sedimentation tank 2, an aeration biological tank 3, a first fixing plate 4, an aeration blower 5, an aeration pipe 6, an aeration cover 7, a biological filter material 8, a first connecting pipe 9, a first water pump 10, a third pipe 11, a first pipe 12, a clean water tank 13, a disinfection tank 14, a first valve 15, a second pipe 16, a second water pump 17, a second connecting pipe 18, a second fixing plate 19, a disinfectant barrel 20, a third water pump 21, a medicine inlet pipe 22, a water outlet pipe 23, a second valve 24, a sewage pump 25, a sludge discharge pipe 26, a coarse strainer 27 and a fine strainer 28.

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. 1-2, an aeration biological filter comprises a base 1, a primary sedimentation tank 2 is fixedly installed on the upper side of the base 1, sewage is primarily precipitated through the primary sedimentation tank 2 to meet the water inlet requirement of the aeration biological filter 3, the water inlet concentration is reduced, the agglomeration and blockage of biological filter materials are avoided, the water inlet of the aeration biological filter 3 is smoother, the aeration biological filter 3 is arranged on the right side of the primary sedimentation tank 2, a first fixing plate 4 is fixedly installed on the right side of the aeration biological filter 3, an aeration blower 5 is fixedly installed on the upper side of the first fixing plate 4, an aeration pipe 6 is fixedly installed on the left side of the aeration blower 5, an aeration cover 7 is fixedly installed on the surface of the aeration pipe 6, a biological filter material 8 is arranged on the upper side of the aeration pipe 6, a first water pump 10 is arranged inside the primary sedimentation tank 2, a first conduit 12 is fixedly installed at the water outlet of the first water pump, the other end of the first conduit 12 extends to the bottom of the biological aerated filter 3, a clean water tank 13 is arranged on the right side of the biological aerated filter 3, a first connecting pipe 9 is fixedly connected between the biological aerated filter 3 and the clean water tank 13, a second water pump 17 is arranged on the left side of the clean water tank 13, a second conduit 16 is fixedly mounted at a water inlet of the second water pump 17, the other end of the second conduit 16 extends to the bottom of the clean water tank 13, a third conduit 11 is fixedly mounted at a water outlet of the second water pump 17, the other end of the third conduit 11 extends to the bottom of the biological aerated filter 3, a disinfection tank 14 is arranged on the right side of the clean water tank 13, a second connecting pipe 18 is fixedly connected between the disinfection tank 14 and the clean water tank 13, a first valve 15 is arranged on the surface of the second connecting pipe 18, purified water is disinfected through the disinfection tank 14, and the quality.

Referring to fig. 2, a water outlet pipe 23 is disposed at the right side of the disinfection tank 14, a second valve 24 is fixedly installed inside the water outlet pipe 23, the purified sewage is conveniently discharged after being purified by the water outlet pipe 23, and the flow rate of the purified water is controlled by the second valve 24.

Referring to fig. 2, a coarse filter screen 27 and a fine filter screen 28 are fixedly installed inside the primary sedimentation tank 2, and sewage is primarily filtered through the coarse filter screen 27 and the fine filter screen 28 in the primary sedimentation tank 2, so that the sewage meets the water inlet requirement of the biological aerated filter 3, the water inlet concentration is reduced, the biological filter material 8 is prevented from being agglomerated and blocked, and the water inlet of the biological aerated filter 3 is smoother.

Referring to fig. 2, a sewage pump 25 is fixedly installed at the left side of the primary sedimentation tank 2, a sludge discharge pipe 26 is fixedly installed at one side of the sewage pump 25, and pollutants deposited at the bottom of the primary sedimentation tank 2 are discharged out of the primary sedimentation tank 2 through the sewage pump 25.

Referring to fig. 2, a second fixing plate 19 is fixedly mounted on the right side of the disinfection tank 14, a disinfectant barrel 20 is fixedly mounted on the upper side of the second fixing plate 19, a third water pump 21 is arranged on the upper side of the disinfectant barrel 20, a drug inlet pipe 22 is fixedly connected to one side of the third water pump 21, the other end of the drug inlet pipe 22 extends into the disinfection tank 14, and the disinfectant barrel 20 passes through the third water pump 21, so that a disinfectant in the disinfectant barrel 20 can automatically enter the disinfection tank 14, the workload of workers is reduced, and the disinfectant can be conveniently put in.

The working principle is as follows: when purifying sewage, putting the sewage into a primary sedimentation tank 2, filtering the sewage through a coarse filter screen 27 and a fine filter screen 28, conveying the primarily filtered sewage into a biological aerated filter 3 through a first water pump 10, starting an aeration blower 5, enabling the sewage to flow upwards in the biological aerated filter 3 through an aeration pipe 6, filtering the sewage through a biological filter screen 8, enabling filtered clean water to enter a clean water tank 13 through a first connecting pipe 9, closing a first valve 15 on a second connecting pipe 18, opening a second water pump 17, enabling the water in the clean water tank 13 to enter the biological aerated filter 3 again through the second water pump 17, circularly flushing the clean water, closing the second water pump 17, opening the first valve 15, enabling the repeatedly flushed clean water to enter a disinfection tank 14 through the second connecting pipe 18, conveying disinfectant in a disinfectant barrel 20 into the disinfection tank 14 through a disinfection pipe 22, the second valve 23 is opened to allow the sterilized purified water to be discharged through the outlet pipe 23.

All the electric equipment in the scheme supplies power through the external power supply.

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 aerated filter, includes base (1), its characterized in that: the upper side fixed mounting of base (1) has primary sedimentation tank (2), the right side of primary sedimentation tank (2) is provided with bological aerated filter (3), the right side fixed mounting of bological aerated filter (3) has first fixed plate (4), the upside fixed mounting of first fixed plate (4) has aeration blower (5), the left side fixed mounting of aeration blower (5) has aeration pipe (6), the fixed surface of aeration pipe (6) installs aeration cover (7), the upside of aeration pipe (6) is provided with biological filter material (8), primary sedimentation tank (2) inside is provided with first water pump (10), the delivery port fixed mounting of first water pump (10) has first pipe (12), the other end of first pipe (12) extends to the bottom of bological aerated filter (3), the right side of bological aerated filter (3) is provided with clean water basin (13), the utility model discloses a biological aerated filter, including aeration biological filter (3), first connecting pipe of fixedly connected with (9) between clean water basin (13), the left side of clean water basin (13) is provided with second water pump (17), the water inlet fixed mounting of second water pump (17) has second pipe (16), the other end of second pipe (16) extends to the bottom of clean water basin (13), the delivery port fixed mounting of second water pump (17) has third pipe (11), the other end of third pipe (11) extends to the bottom of aeration biological filter (3), the right side of clean water basin (13) is provided with disinfection pond (14), fixedly connected with second connecting pipe (18) between disinfection pond (14) and clean water basin (13), the surface of second connecting pipe (18) is provided with first valve (15).

2. A biological aerated filter according to claim 1, wherein: a water outlet pipe (23) is arranged on the right side of the disinfection tank (14), and a second valve (24) is fixedly arranged in the water outlet pipe (23).

3. A biological aerated filter according to claim 1, wherein: the primary sedimentation tank (2) is internally and fixedly provided with a coarse filter screen (27) and a fine filter screen (28).

4. A biological aerated filter according to claim 1, wherein: the left side fixed mounting of elementary sedimentation tank (2) has dredge pump (25), one side fixed mounting of dredge pump (25) has sludge discharge pipe (26).

5. A biological aerated filter according to claim 1, wherein: the right side fixed mounting of disinfection pond (14) has second fixed plate (19), the upside fixed mounting of second fixed plate (19) has disinfectant bucket (20), the upside of disinfectant bucket (20) is provided with third water pump (21), one side fixedly connected with of third water pump (21) advances pencil (22), the other end that advances pencil (22) extends to the inside of disinfection pond (14).