CN211170048U

CN211170048U - Aeration biological filter tank

Info

Publication number: CN211170048U
Application number: CN201922170367.9U
Authority: CN
Inventors: 陈善敏
Original assignee: Guangxi Jufeng Environmental Protection Technology Co ltd
Current assignee: Guangxi Jufeng Environmental Protection Technology Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-08-04
Anticipated expiration: 2029-12-06

Abstract

The utility model relates to and sewage treatment technical field, concretely relates to biological filter tank of aeration, include: filter tank body, stirring subassembly and pressurization subassembly, wherein: the filter tank body is an accommodating cavity with an opening at the upper end, the middle part of the side wall of the filter tank body is communicated with a water inlet pipe and a gas inlet pipe, and the side wall close to the bottom of the filter tank body is communicated with a water outlet pipe; the stirring component is arranged in the filter tank body and comprises a stirring rotating shaft and a stirring rod; the pressurizing assembly is arranged in the filter tank body and comprises a crankshaft, a pressurizing plate and a transmission rod, and the stirring assembly is in transmission connection with the pressurizing assembly. The aeration biological filter tank of the utility model increases the dissolved oxygen amount of sewage through 2 different action modes, and is connected with two different action modes through a transmission belt, and the aeration biological filter tank has novel design and reasonable structure.

Description

Aeration biological filter tank

Technical Field

The utility model relates to the technical field of sewage treatment, concretely relates to biological filter tank of aeration.

Background

With the rapid development of social economy in China, the discharge amount of industrial sewage and urban domestic sewage is increasing day by day, and various sewage treatment methods and processes are also in use for eliminating sewage. In the current sewage treatment, the biological aeration method is widely applied. The biological aeration method is to artificially introduce air into a sewage purification container, and generally introduces air into the sewage purification container through an aeration pipe with aeration micropores, so that the contact between sewage and air can be increased, and the dissolved oxygen content of sewage can be increased, thereby ensuring that microorganism materials in the container decompose organic matters in sewage under the condition of sufficient dissolved oxygen. However, the method for improving the dissolved oxygen content of the sewage has a single action mode, and the dissolved oxygen content of the sewage which can be increased is limited.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aeration biological filter tank to solve the effect mode that current biological aeration method improves sewage dissolved oxygen volume method single, the limited problem of sewage dissolved oxygen volume that can increase.

In order to achieve the above purpose, the utility model provides a following technical scheme:

an aerated biological filter tank comprising: filter tank body, stirring subassembly and pressurization subassembly, wherein: the filter tank body is an accommodating cavity with an opening at the upper end, and the bottom of the filter tank body is fixed on the base plate; a motor fixing seat is arranged on the base plate, a motor is installed on the motor fixing seat, and a driving wheel is fixed on an output shaft of the motor; the middle part of the side wall of the filter tank body is communicated with a water inlet pipe and an air inlet pipe, and the side wall close to the bottom of the filter tank body is communicated with a water outlet pipe; the stirring assembly is arranged in the filter tank body and is positioned below the water inlet pipe and the air inlet pipe, the stirring assembly comprises a stirring rotating shaft and a stirring rod, and the stirring rod is uniformly arranged on the outer wall of the stirring rotating shaft; one end of the stirring rotating shaft along the radial direction of the filter tank body is connected to the filter tank body through a first belt bearing, the other end of the stirring rotating shaft extends out of the filter tank body through a second belt bearing, a first driven wheel and a second driven wheel are fixed on one end of the stirring rotating shaft extending out of the filter tank body, and the first driven wheel corresponds to the driving wheel in position and is in transmission connection through a first transmission belt; the pressurizing assembly is arranged in the filter tank body and is positioned above the water inlet pipe and the air inlet pipe, the pressurizing assembly comprises a crankshaft, a pressurizing plate and a transmission rod, one end of the crankshaft is connected to the filter tank body through a third bearing with a seat along the radial direction of the filter tank body, the other end of the crankshaft extends out of the filter tank body through a fourth bearing with a seat, a third driven wheel is fixed at one end of the crankshaft, which extends out of the filter tank body, and the third driven wheel corresponds to the second driven wheel in position and is in transmission connection with the second driven wheel through a second transmission belt; the outer diameter of the pressurizing plate is attached to the inner wall of the filter tank body, and a connecting piece is arranged in the middle of the upper surface of the pressurizing plate; one end of the transmission rod is rotatably connected with the crankshaft, and the other end of the transmission rod is rotatably connected with the connecting piece.

Preferably, an aerobic biological filler layer is further arranged in the filter tank body and is positioned above the water outlet pipe.

Preferably, a sealing plate is fixed to the upper end opening of the filter tank body through a screw, and a vent hole is formed in the sealing plate.

Preferably, the other end of the air inlet pipe is connected with an aerator.

Preferably, the driving wheel, the first driven wheel, the second driven wheel and the third driven wheel are chain wheels, and the first transmission belt and the second transmission belt are chains.

Preferably, two ends of the transmission rod are respectively welded with a bearing, an inner ring of the bearing at one end of the transmission rod is connected with the crankshaft in an interference fit mode, and an inner ring of the bearing at the other end of the transmission rod is connected with the connecting piece in an interference fit mode.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the aeration biological filter tank of the utility model is provided with a stirring component and a pressurizing component, sewage enters the filter tank body from a water inlet pipe, an aerator expands air into water through a gas inlet pipe, and the stirring component stirs the sewage during working to increase the contact area between the sewage and the air, thereby increasing the dissolved oxygen content of the sewage; in addition, the stirring assembly is in transmission connection with the pressurizing assembly, when the stirring assembly works, the extrusion plate in the pressurizing assembly reciprocates up and down along the inner wall of the filter tank body, and when the extrusion plate moves downwards, air blown into the filter tank body can be extruded. According to physical molecular science, when the temperature is unchanged, the solubility of the gas is in direct proportion to the pressure in a certain range, and a large amount of oxygen in the air is dissolved into the sewage when the air is extruded, so that the dissolved oxygen of the sewage is increased. Therefore, the utility model discloses an aeration biological filter tank handles sewage through the effect mode of stirring subassembly and two kinds of differences of pressurization subassembly, can show the dissolved oxygen volume that improves sewage, improves the decomposition rate of organic matter in the sewage, improves the treatment effeciency of sewage, shortens sewage branch treatment process.

(2) The aeration biological filter tank of the utility model increases the dissolved oxygen amount of sewage through 2 different action modes, and is connected with two different action modes through a transmission belt, and the aeration biological filter tank has novel design and reasonable structure.

Drawings

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

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a front view of FIG. 2;

description of the main reference numerals:

100-a filter tank body, 101-a water inlet pipe, 102-a gas inlet pipe, 103-a water outlet pipe, 200-a stirring assembly, 201-a stirring rotating shaft, 202-a stirring rod, 2011-a first driven wheel, 2012-a second driven wheel, 300-a pressurizing assembly, 301-a crankshaft, 3011-a third driven wheel, 302-a pressurizing plate, 3021-a connecting piece, 303-a transmission rod, 400-a base plate, 500-a motor fixing seat, 501-a motor, 5011-a driving wheel, 601-a first belt seat bearing, 602-a second belt seat bearing, 603-a third belt seat bearing, 604-a fourth belt seat bearing, 701-a first transmission belt, 702-a second transmission belt, 800-an aerobic biological filler layer, 900-a sealing plate and 901-a vent hole.

Detailed Description

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

In the description of the present invention, it should be noted that the directions or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case to those skilled in the art.

Referring to fig. 1-3, an aerated biological canister comprising: canister body 100, stirring assembly 200 and pressurization assembly 300, wherein: the filter tank body 100 is an accommodating cavity with an opening at the upper end, and the bottom of the filter tank body 100 is fixed on the base plate 400; a motor fixing seat 500 is arranged on the base plate 400, a motor 501 is arranged on the motor fixing seat 500, a driving wheel 5011 is fixed on an output shaft of the motor 501, and the motor 501 is electrically connected with an external power supply; the middle part of the side wall of the filter tank body 100 is communicated with a water inlet pipe 101 and an air inlet pipe 102, the other end of the air inlet pipe 102 is connected with an aerator (not shown in the drawing) which is electrically connected with an external power supply, and the side wall close to the bottom of the filter tank body 100 is communicated with a water outlet pipe 103;

the stirring assembly 200 is arranged in the filter tank body 100 and is positioned below the water inlet pipe 101 and the air inlet pipe 102, the stirring assembly 200 comprises a stirring rotating shaft 201 and a stirring rod 202, and the stirring rod 202 is uniformly arranged on the outer wall of the stirring rotating shaft 201; one end of a stirring rotating shaft 201 along the radial direction of the filter tank body 100 is connected to the filter tank body 100 through a first bearing with a seat 601, the other end of the stirring rotating shaft extends out of the filter tank body 100 through a second bearing with a seat 602, a first driven wheel 2011 and a second driven wheel 2012 are fixed on one end of the stirring rotating shaft 201 extending out of the filter tank body 100, and the first driven wheel 2011 corresponds to the driving wheel 5011 in position and is in transmission connection through a first transmission belt 701;

the pressurizing assembly 300 is arranged in the canister body 100 and is positioned above the water inlet pipe 101 and the air inlet pipe 102, the pressurizing assembly 300 comprises a crankshaft 301, a pressurizing plate 302 and a transmission rod 303, one end of the crankshaft 301 along the radial direction of the canister body 100 is connected to the canister body 100 through a third bearing with a seat 603, the other end of the crankshaft 301 extends out of the canister body 100 through a fourth bearing with a seat 604, a third driven wheel 3011 is fixed at one end of the crankshaft 301 extending out of the canister body 100, and the third driven wheel 3011 corresponds to the second driven wheel 2012 in position and is in transmission connection through a second transmission belt 702; the outer diameter of the pressure plate 302 is attached to the inner wall of the canister body 100, and a connecting piece 3021 is arranged in the middle of the upper surface of the pressure plate 302; one end of the transmission rod 303 is rotatably connected with the crankshaft 301, and the other end is rotatably connected with the connecting piece 3021; in this embodiment, the specific structure and connection manner of the transmission rod 303 are as follows: two ends of the transmission rod 303 are respectively welded with a bearing (not shown in the figures), an inner ring of the bearing at one end of the transmission rod 303 is connected with the crankshaft 301 in an interference fit manner, and an inner ring of the bearing at the other end of the transmission rod 303 is connected with the connecting piece 3021 in an interference fit manner.

In addition, in this embodiment, an aerobic biological filler layer 800 is further disposed in the canister body 100, and the aerobic biological filler layer 800 is located above the water outlet pipe 103; a sealing plate 900 is fixed on the upper end opening of the filter tank body 100 through a screw, and a vent hole 901 is formed in the sealing plate 900; the driving wheel 5011, the first driven wheel 2011, the second driven wheel 2012 and the third driven wheel 3011 are all chain wheels, and the first transmission belt 701 and the second transmission belt 702 are both chains.

The working principle is as follows: sewage enters the filter tank body 100 from the water inlet pipe 101, and air blown out when the aerator starts to work enters the filter tank body 100 from the air inlet pipe 102. Starting the motor 501, wherein the motor 501 drives the stirring assembly 200 to stir the sewage in the filter tank body 100 through the driving wheel 5011 and the first driving belt 701; the contact area between the sewage and the air can be increased when the stirring assembly 200 stirs the sewage, so that the dissolved oxygen amount of the sewage is increased. In addition, the stirring assembly 200 drives the crankshaft 301 to rotate through the second driven wheel 2012 and the second transmission belt 702, and the crankshaft 301 drives the pressurizing plate 302 to reciprocate up and down along the inner wall of the canister body 100 through the transmission rod 303 when rotating. The air in the canister body 100 can be extruded when the pressure plate 302 moves downwards, so that oxygen in the air is greatly dissolved into sewage, the dissolved oxygen amount in the sewage is further improved, the organic matters in the sewage are decomposed by the subsequent aerobic biological packing layer 800, and the treated sewage is discharged to the outside of the canister body 100 through the water outlet pipe 103. Because the dissolved oxygen in the sewage is improved, the decomposition rate and the decomposition speed of the aerobic biological packing layer on organic matters can be improved, thereby improving the sewage treatment efficiency and shortening the sewage separate treatment process.

The aeration biological filter tank can increase the dissolved oxygen amount of the sewage through 2 different action modes, can improve the sewage treatment efficiency, and shortens the sewage separate treatment process; in addition, the two different action modes are in transmission connection through the transmission belt, the design is novel, and the structure is reasonable.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. An aerated biological filter tank, comprising: filter tank body, stirring subassembly and pressurization subassembly, wherein:

the filter tank body is an accommodating cavity with an opening at the upper end, and the bottom of the filter tank body is fixed on the base plate; a motor fixing seat is arranged on the base plate, a motor is installed on the motor fixing seat, and a driving wheel is fixed on an output shaft of the motor; the middle part of the side wall of the filter tank body is communicated with a water inlet pipe and an air inlet pipe, and the side wall close to the bottom of the filter tank body is communicated with a water outlet pipe;

the stirring assembly is arranged in the filter tank body and is positioned below the water inlet pipe and the air inlet pipe, the stirring assembly comprises a stirring rotating shaft and a stirring rod, and the stirring rod is uniformly arranged on the outer wall of the stirring rotating shaft; one end of the stirring rotating shaft along the radial direction of the filter tank body is connected to the filter tank body through a first belt bearing, the other end of the stirring rotating shaft extends out of the filter tank body through a second belt bearing, a first driven wheel and a second driven wheel are fixed on one end of the stirring rotating shaft extending out of the filter tank body, and the first driven wheel corresponds to the driving wheel in position and is in transmission connection through a first transmission belt;

the pressurizing assembly is arranged in the filter tank body and is positioned above the water inlet pipe and the air inlet pipe, the pressurizing assembly comprises a crankshaft, a pressurizing plate and a transmission rod, one end of the crankshaft is connected to the filter tank body through a third bearing with a seat along the radial direction of the filter tank body, the other end of the crankshaft extends out of the filter tank body through a fourth bearing with a seat, a third driven wheel is fixed at one end of the crankshaft, which extends out of the filter tank body, and the third driven wheel corresponds to the second driven wheel in position and is in transmission connection with the second driven wheel through a second transmission belt; the outer diameter of the pressurizing plate is attached to the inner wall of the filter tank body, and a connecting piece is arranged in the middle of the upper surface of the pressurizing plate; one end of the transmission rod is rotatably connected with the crankshaft, and the other end of the transmission rod is rotatably connected with the connecting piece.

2. An aerated biological filter tank according to claim 1 wherein an aerobic bio-filler layer is further provided within the filter tank body, said aerobic bio-filler layer being located above said outlet pipe.

3. An aerated biological filter tank according to claim 1 wherein a sealing plate is fixed to the upper end opening of the filter tank body by screws, the sealing plate being provided with vent holes.

4. An aerated biological filter tank according to claim 1 wherein an aerator is connected to the other end of said air inlet pipe.

5. An aerated biological filter according to claim 1 wherein the driving wheel, the first driven wheel, the second driven wheel and the third driven wheel are all sprockets and the first and second drive belts are both chains.

6. An aerated biological filter tank according to claim 1, wherein a bearing is welded to each end of the transmission rod, and the inner ring of the bearing at one end of the transmission rod is connected to the crankshaft by interference fit, and the inner ring of the bearing at the other end of the transmission rod is connected to the connecting member by interference fit.