CN213326931U

CN213326931U - Denitrification deep bed filter tank structure

Info

Publication number: CN213326931U
Application number: CN202022060045.1U
Authority: CN
Inventors: 李伟伟; 张宜静
Original assignee: Tianjin Dachuan Environmental Protection Technology Co ltd
Current assignee: Tianjin Dachuan Environmental Protection Technology Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-06-01
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a denitrification deep bed filtering pond structure, including the agitator tank, the fixed introduction port that is provided with in agitator tank upper portion left side, and the fixed stabilizer blade that is provided with in agitator tank lateral wall, and the fixed first motor that rotates that is provided with in agitator tank outside middle part, first motor end portion of rotating is provided with first puddler, the fixed second that is provided with in agitator tank upper portion rotates the motor, the second rotates the motor lower part and rotates and be provided with the second puddler, the fixed pipeline that is provided with of agitator tank right side wall, the fixed filtering pond that is provided with of the pipeline other end, the inside fixed packing layer that is provided with in filtering pond, the fixed air-blower that is provided with in filtering pond bottom left end, the fixed discharge that is provided with in filtering pond upper portion, the fixed backwash tank that is provided with of the discharge other end. The denitrification deep bed filter has a simple structure, can not only furthest use energy, but also ensure the raw materials to be uniformly stirred and prevent the raw materials from being layered.

Description

Denitrification deep bed filter tank structure

Technical Field

The utility model relates to a sewage treatment field specifically is a denitrification deep bed filtering pond structure.

Background

The denitrification deep bed filter tank is a processing unit integrating biological denitrification and filtering functions, and is an advanced treatment process which has higher acceptance in the industry and combines denitrification and filtering. The first denitrification filter emerged in the world in 1969. In the last 40 years, hundreds of systems in the denitrification filter chamber are in normal operation all over the world. The filter material adopts 2-3 mm quartz sand medium, the depth of the filter bed is usually 1.83m, and the filter tank can ensure that the SS of the outlet water is lower than 5 mg/L. Most of the filter surface layers are easy to block or harden and lose water heads quickly, and the unique homogeneous quartz sand allows solid impurities to penetrate through the surface layer of the filter bed and go deep into the filter material of the filter, so that the excellent effect of intercepting solid matters in the depth of the whole filter is achieved.

The important step of the operation of the denitrification deep bed filter during gas back flushing and liquid back flushing is that kinetic energy contained in gas after the gas back flushing is wasted and is not effectively utilized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a denitrification deep bed filtering pond structure to the important step of denitrification deep bed filtering pond work when solving above-mentioned background art and proposing because gaseous back flush and liquid back flush, kinetic energy of containing in the gas after the gaseous back flush is wasted, does not have the problem that is got up by effectual utilization.

In order to achieve the above object, the utility model provides a following technical scheme: a denitrification deep bed filter structure comprises a stirring box, wherein a sample inlet is fixedly arranged on the left side of the upper part of the stirring box, supporting legs are fixedly arranged on the side wall of the stirring box, a first rotating motor is fixedly arranged in the middle of the outer side of the stirring box, a first stirring rod is rotatably arranged at the end part of the first rotating motor, a second rotating motor is fixedly arranged on the upper part of the stirring box, a second stirring rod is rotatably arranged at the lower part of the second rotating motor, a pipeline is fixedly arranged on the right side wall of the stirring box, a filter tank is fixedly arranged at the other end of the pipeline, a packing layer is fixedly arranged in the filter tank, an air blower is fixedly arranged at the left end of the bottom of the filter tank, a gas collecting pipe is fixedly arranged on the upper part of the filter tank, a backwashing water tank is fixedly arranged at the other end, the other end of the buffer spring is fixed at the bottom of the backwashing water tank, a water pipe is fixedly arranged at the bottom of the backwashing water tank, the other end of the water pipe is fixed at the bottom of the right end of the filter tank, a water valve is fixedly arranged on the left side of the backwashing water tank, and a water storage tank is fixedly arranged at the other end of the water valve.

Preferably, the first stirring rod and the second stirring rod are both positioned inside the stirring box and are perpendicular to each other.

Preferably, heating wires are arranged inside the first stirring rod and the second stirring rod.

Preferably, the piston is located in the middle of the backwash water tank, and the upper portion of the backwash water tank is arranged in a hollow mode.

Preferably, the first rotating motor and the second rotating motor are connected with the first stirring rod and the second stirring rod through couplers.

Preferably, the filler layer is made of 3mm quartz sand material.

Preferably, the buffer springs are arranged in two groups, and the buffer springs are symmetrical about the central axis of the piston.

Compared with the prior art, the beneficial effects of the utility model are that: when the utility model is used, raw materials are added into the stirring tank from the sample inlet, the first rotating motor and the second rotating motor are started to respectively drive the first stirring rod and the second stirring rod to rotate, and the first stirring rod and the second stirring rod are both positioned in the stirring tank and are mutually vertical, so that liquid is prevented from being layered and the stirring is more uniform, then the raw materials enter the filter tank, and the filtering is finished after passing through the packing layer; and then, the air blower is started to perform gas backflushing on the packing layer, the gas enters the backflushing water tank through the gas collecting pipe, the piston is extruded downwards, and the piston backflushes the water in the backflushing water tank through the water pipe to perform liquid backflushing on the packing layer.

The utility model discloses simple structure not only can the furthest practical energy, and can the raw materials guarantee the stirring, prevents its layering.

Drawings

FIG. 1 is a schematic structural view of a denitrification deep bed filter structure of the present invention;

FIG. 2 is a schematic view of a denitrification deep bed filter structure of the utility model showing a backwash water tank and a connection structure thereof;

fig. 3 is the structure schematic diagram of the structure a of the denitrification deep bed filter structure of the utility model.

In the figure: 1. a stirring box; 2. a sample inlet; 3. a first rotating electric machine; 4. a support leg; 5. a first stirring rod; 6. a second rotating electric machine; 7. a second stirring rod; 8. a pipeline; 9. a filter chamber; 10. a gas collecting pipe; 11. a filler layer; 12. a blower; 13. a water pipe; 14. a backwash tank; 15. a piston; 16. a buffer spring; 17. a water valve; 18. a water storage tank; 19. a heating wire.

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 denitrification deep bed filter structure comprises a stirring box 1, wherein a sample inlet 2 is fixedly arranged on the left side of the upper part of the stirring box 1 through screw threads, support legs 4 are fixedly welded on the side wall of the stirring box 1, a first rotating motor 3 is fixedly arranged in the middle of the outer side of the stirring box 1 through screws, a first stirring rod 5 is rotatably arranged at the end part of the first rotating motor 3, a second rotating motor 6 is fixedly arranged on the upper part of the stirring box 1 through screws, a second stirring rod 7 is rotatably arranged at the lower part of the second rotating motor 6, the first stirring rod 5 and the second stirring rod 7 are both positioned in the stirring box 1, the first stirring rod 5 and the second stirring rod 7 are mutually vertical, heating wires 19 are respectively arranged in the first stirring rod 5 and the second stirring rod 7, a pipeline 8 is fixedly arranged on the right side wall of the stirring box 1 through screw threads, a filter 9 is fixedly arranged at the other end of the pipeline 8 through screw threads, the packing layer 11 is made of 3mm quartz sand material, an air blower 12 is fixedly arranged at the left end of the bottom of the filter 9 in a threaded manner, an air collecting pipe 10 is fixedly arranged at the upper portion of the filter 9 in a threaded manner, a backwashing water tank 14 is fixedly arranged at the other end of the air collecting pipe 10 in a threaded manner, a piston 15 is slidably arranged in the backwashing water tank 14, the piston 15 is located in the middle of the backwashing water tank 14, the upper portion of the backwashing water tank 14 is arranged in a hollow manner, buffer springs 16 are fixedly welded at the bottom of the piston 15, the buffer springs 16 are arranged in two groups, the buffer springs 16 are symmetrical about the axis of the piston 15, the other end of each buffer spring 16 is fixed at the bottom of the backwashing water tank 14, a water pipe 13 is fixedly arranged at the bottom of the backwashing water tank 14 in a threaded manner, the other end of the water pipe 13 is fixed at the bottom of the filter 9, a water valve 17 is fixedly arranged at the left side in.

The working principle is as follows: when the denitrification deep bed filter structure is used, raw materials are added into a stirring box 1 from a sample inlet 2, a first rotating motor 3 and a second rotating motor 6 are started to respectively drive a first stirring rod 5 and a second stirring rod 7 to rotate, and because the first stirring rod 5 and the second stirring rod 7 are positioned in the stirring box 1 and the first stirring rod 5 and the second stirring rod 7 are vertical to each other, liquid stratification is prevented, the stirring is more uniform, then the raw materials enter a filter 9, and the filtration is finished after the raw materials pass through a filler layer 11; then, the blower 12 is turned on to perform gas backflushing on the packing layer 11, the gas enters the backflushing water tank 14 through the gas collecting pipe 10, the piston 15 is extruded downwards, and the piston 15 backflushes the water in the backflushing water tank 14 through the water pipe 13 to perform liquid backflushing on the packing layer 11.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 denitrification deep bed filtering pond structure, includes agitator tank (1), its characterized in that: the device is characterized in that a sample inlet (2) is fixedly arranged on the left side of the upper portion of the stirring box (1), support legs (4) are fixedly arranged on the side wall of the stirring box (1), a first rotating motor (3) is fixedly arranged in the middle of the outer side of the stirring box (1), a first stirring rod (5) is rotatably arranged at the end of the first rotating motor (3), a second rotating motor (6) is fixedly arranged on the upper portion of the stirring box (1), a second stirring rod (7) is rotatably arranged on the lower portion of the second rotating motor (6), a pipeline (8) is fixedly arranged on the right side wall of the stirring box (1), a filtering pool (9) is fixedly arranged at the other end of the pipeline (8), a packing layer (11) is fixedly arranged in the filtering pool (9), an air blower (12) is fixedly arranged at the left end of the bottom of the filtering pool (, gas collecting pipe (10) other end is fixed and is provided with backwash water tank (14), the inside slip of backwash water tank (14) is provided with piston (15), fixed buffer spring (16) that is provided with in piston (15) bottom, buffer spring (16) other end is fixed in backwash water tank (14) bottom, fixed water pipe (13) that is provided with in backwash water tank (14) bottom, water pipe (13) other end is fixed in filtering pond (9) right-hand member bottom, fixed water valve (17) that is provided with in backwash water tank (14) left side, water valve (17) other end is fixed and is provided with storage water tank (18).

2. A denitrification deep bed filter structure according to claim 1, wherein: first puddler (5) and second puddler (7) all are located agitator tank (1) inside, and first puddler (5) and second puddler (7) mutually perpendicular.

3. A denitrification deep bed filter structure according to claim 1, wherein: heating wires (19) are arranged inside the first stirring rod (5) and the second stirring rod (7).

4. A denitrification deep bed filter structure according to claim 1, wherein: the piston (15) is positioned in the middle of the backwashing water tank (14), and the upper part of the backwashing water tank (14) is arranged in a hollow manner.

5. A denitrification deep bed filter structure according to claim 1, wherein: the first rotating motor (3) and the second rotating motor (6) are connected with the first stirring rod (5) and the second stirring rod (7) through couplers.

6. A denitrification deep bed filter structure according to claim 1, wherein: the packing layer (11) is made of a quartz sand material with the thickness of 3 mm.

7. A denitrification deep bed filter structure according to claim 1, wherein: the buffer springs (16) are arranged in two groups, and the buffer springs (16) are symmetrical about the central axis of the piston (15).