CN212998689U

CN212998689U - Outer tank for sewage treatment device

Info

Publication number: CN212998689U
Application number: CN202021740484.0U
Authority: CN
Inventors: 陈建华
Original assignee: Henan Hexu Environmental Technology Co ltd
Current assignee: Henan Hexu Environmental Technology Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-04-20
Anticipated expiration: 2030-08-19

Abstract

The embodiment of the utility model relates to the technical field of sewage treatment, in particular to an outer tank for a sewage treatment device, which comprises a tank body, wherein the inner wall of the tank body is provided with a filter screen, the top of the filter screen is provided with a limiting part, the bottom of the filter screen is provided with a supporting piece for supporting the filter screen, the middle part of the limiting part is provided with a first through hole for installing an inner tank, and the middle part of the supporting piece is provided with a second through hole for installing the inner tank; the utility model discloses a set up the filter screen at jar internal wall, can prevent to remain the spot at jar internal wall when the in-process of sewage through jar internal wall, can slow down the corrosion rate of the jar body, extension jar body life, through set up the back flush water pipe in the filter screen outside, when needs clearance filter screen, the external pressure water pump of back flush water pipe, toward filter screen cavity in wash-in clear water, can wash filter pulp and mesh, convenient cleanness, the practicality has been improved, through setting up setting element and seal ring at the back flush water pipe outer wall, can guarantee the sealing performance of the jar body.

Description

Outer tank for sewage treatment device

Technical Field

The utility model relates to a sewage treatment technical field, concretely relates to outer jar for sewage treatment plant.

Background

Along with the acceleration of overall planning pace of urban and rural areas and the overall promotion of new rural construction, the rural sewage treatment makes a certain progress; however, the treatment capacity of the existing rural domestic sewage still cannot meet the increasing sewage treatment requirement.

In view of the dispersed living in rural areas of China, various terrains and large mountain areas. Rural domestic sewage treatment has a plurality of pain points such as large investment in pipe network construction, inconvenient equipment installation, high operation and maintenance cost, unobvious treatment effect and the like, and the sewage treatment is suitable for adopting a decentralized treatment mode. In order to adapt to various rural environmental conditions, meet the reform requirement of rural household toilets, improve the pollutant removal efficiency through adjustment and reach the corresponding discharge standard, a device for distributed sewage treatment, which has the advantages of convenient transportation, rapid installation, convenient operation, high treatment efficiency, lower cost and various functions, is required.

The stainless steel casing of individual layer is adopted more to current formula of burying sewage treatment jar, and inside setting is used for filterable subassembly, just can be used for sewage purification, but it has following shortcoming: 1. the single-layer stainless steel shell is adopted, so that the corrosion speed is accelerated, and sewage is easy to leak after corrosion; 2. the inner wall of the tank body is easy to remain substances, so that the inner wall of the tank body is corroded, the inner part of the tank body cannot be washed clean, the service life of the tank body is greatly shortened, and therefore the outer tank for the sewage treatment device, which can prevent stains from remaining on the inner wall of the tank body, is convenient to clean and can prolong the service life of the tank body, is needed to overcome the problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the embodiment of the utility model provides an outer tank for a sewage treatment device, which comprises a tank body, wherein the inner wall of the tank body is provided with a filter screen, the top of the filter screen is provided with a limiting part, the bottom of the filter screen is provided with a supporting part for supporting the filter screen, the middle part of the limiting part is provided with a first through hole for installing an inner tank, and the middle part of the supporting part is provided with a second through hole for installing the inner tank;

the filter screen is characterized in that a cavity is formed in the filter screen, a plurality of uniformly distributed meshes are formed in the inner wall of the filter screen, a filter layer is arranged on one side, close to the meshes, in the cavity, a threaded hole is formed in the outer wall of the bottom of the filter screen, a backwashing water pipe is connected to the threaded hole in an internal thread mode, and the other end of the backwashing water pipe extends to the outside of the tank body.

Furthermore, a connecting groove is formed in one side, close to the backwashing water pipe, of the outer wall of the tank body, the connecting groove is circular, the backwashing water pipe is located on the inner side of the connecting groove, and a positioning piece for fixing the backwashing water pipe is arranged in the connecting groove.

Furthermore, a sealing washer is arranged at the joint of the inner side of the positioning piece and the outer wall of the tank body, and the inner ring of the sealing washer is tightly attached to the outer wall of the backwashing water pipe.

Further, a mounting groove is formed in the top of the filter screen and communicated with the cavity, and an end cover is arranged in the mounting groove.

Further, a plurality of evenly distributed positioning guide grooves used for installing the filter screen are formed in the inner wall of the tank body, and a plurality of convex strips matched with the positioning guide grooves are arranged on the outer wall of the filter screen.

Furthermore, the cross-sectional views of the positioning guide groove and the raised line are both arc-shaped.

Further, the filter layer is filter cotton.

The utility model discloses beneficial effect does: the utility model discloses a set up the filter screen at jar internal wall, can prevent to remain the spot at jar internal wall when the in-process of sewage through jar internal wall, can slow down the corrosion rate of the jar body, extension jar body life, through set up the back flush water pipe in the filter screen outside, when needs clearance filter screen, the external pressure water pump of back flush water pipe, toward filter screen cavity in wash-in clear water, can wash filter pulp and mesh, convenient cleanness, the practicality has been improved, through setting up setting element and seal ring at the back flush water pipe outer wall, can guarantee the sealing performance of the jar body.

Drawings

Fig. 1 is a schematic sectional structure view of the main view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1;

FIG. 4 is a schematic view of the cross-sectional structure of the tank body in the present invention;

fig. 5 is a schematic structural view of the main view of the middle filter screen of the present invention.

In the figure: 1. a tank body; 2. a filter screen; 21. mounting grooves; 22. an end cap; 23. a cavity; 24. a filter layer; 25. mesh openings; 26. a convex strip; 27. a threaded hole; 28. a second through hole; 3. a limiting member; 31. a first through hole; 4. backwashing the water pipe; 5. a positioning member; 6. a sealing gasket; 7. connecting grooves; 8. positioning the guide groove; 9. and a support member.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

Example 1

As shown in figures 1-5, an outer tank for a sewage treatment device comprises a tank body 1, a filter screen 2 is installed on the inner wall of the tank body 1, the filter screen 2 is arranged on the inner wall of the tank body 1, when sewage passes through the inner wall of the tank body 1, stain can be prevented from remaining on the inner wall of the tank body 1, the corrosion speed of the tank body 1 can be slowed down, the service life of the tank body 1 is prolonged, the filter screen 2 is made of flexible material, the filter screen 2 can be conveniently installed in the tank body 1, the filter screen 2 is cylindrical in a use state and rectangular in a non-use state, a plurality of positioning guide grooves 8 which are uniformly distributed and used for installing the filter screen 2 are arranged on the inner wall of the tank body 1, a plurality of convex strips 26 matched with the positioning guide grooves 8 are arranged on the outer wall of the filter screen 2, the cross-sectional views of the positioning guide, on the other hand, the filter screen 2 can be prevented from rotating, the limiting part 3 is installed at the top of the filter screen 2, the supporting part 9 for supporting the filter screen 2 is installed at the bottom of the filter screen, the supporting part 9 is fixedly connected with the inner wall of the tank body 1, the cross-sectional views of the supporting part 9 and the limiting part 3 are both T-shaped, the supporting effect on the inner wall of the filter screen 2 can be achieved, the convex strip 26 is prevented from being separated from the positioning guide groove 8, the first through hole 31 for installing the inner tank is formed in the middle of the limiting part 3, the second through hole 28 for installing the inner tank is formed in the middle of the supporting part 9, the diameters of the first through hole 31 and the second;

a cavity 23 is reserved in the filter screen 2, a plurality of uniformly distributed meshes 25 are formed in the inner wall of the filter screen 2, a filter layer 24 is arranged on one side, close to the meshes 25, in the cavity 23, the filter layer 24 is made of filter cotton, the filter screen 2 can filter sewage entering the cavity 23 and reduce the possibility that impurities are retained on the inner wall of the cavity 23, an installation groove 21 is formed in the top of the filter screen 2, the installation groove 21 is communicated with the cavity 23, an end cover 22 is arranged in the installation groove 21, the end cover 22 is arranged, on one hand, the sewage can be prevented from directly entering the cavity 23 from the installation groove 21, on the other hand, the filter layer 24 is convenient to replace, when the filter layer 24 is replaced, the limiting part 3 is taken out, the filter layer 24 can be taken out by opening the end cover 22, a threaded hole 27 is, through set up back flush water pipe 4 in filter screen 2 outside, when needs clearance filter screen 2, the external pressure water pump of back flush water pipe 4 toward filter screen 2 cavity 23 in the flush clear water, can wash filter pulp and mesh 25, convenient cleanness has improved the practicality.

In order to ensure the stability of the backwashing water pipe 4, a connecting groove 7 is formed in one side, close to the backwashing water pipe 4, of the outer wall of the tank body 1, the connecting groove 7 is in a circular ring shape, the backwashing water pipe 4 is located on the inner side of the connecting groove 7, and a positioning piece 5 for fixing the backwashing water pipe 4 is arranged in the connecting groove 7; in order to ensure the sealing performance of the tank body 1, a sealing washer 6 is arranged at the joint of the inner side of the positioning piece 5 and the outer wall of the tank body 1, and the inner ring of the sealing washer 6 is tightly attached to the outer wall of the backwashing water pipe 4.

In the process of installing the filter screen 2, the filter screen 2 is firstly rolled into a cylindrical shape, the position of the convex strip 26 corresponds to the position of the positioning guide groove 8, the convex strip 26 is completely installed in the positioning guide groove 8, the threaded hole 27 in the filter screen 2 corresponds to the position of the backwashing water pipe 4 at the moment, the limiting part 3 is pressed at the top of the filter screen 2, the backwashing water pipe 4 is butted with the threaded hole 27, the installation of the filter screen 2 is completed, the position of the backwashing water pipe 4 can be fixed by rotating the positioning part 5, and the backwashing water pipe 4 is prevented from shaking.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 invention can be understood by those skilled in the art according to specific situations.

The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, 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, article, or apparatus.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. The utility model provides a sewage treatment plant uses outer jar, includes a jar body, its characterized in that: a filter screen is arranged on the inner wall of the tank body, a limiting piece is arranged at the top of the filter screen, a supporting piece for supporting the filter screen is arranged at the bottom of the filter screen, a first through hole for installing the inner tank is formed in the middle of the limiting piece, and a second through hole for installing the inner tank is formed in the middle of the supporting piece;

2. The outer tank for a sewage treatment apparatus according to claim 1, wherein: the tank body is characterized in that a connecting groove is formed in one side, close to the backwashing water pipe, of the outer wall of the tank body, the connecting groove is circular, the backwashing water pipe is located on the inner side of the connecting groove, and a positioning piece for fixing the backwashing water pipe is arranged in the connecting groove.

3. The outer tank for a sewage treatment apparatus according to claim 2, wherein: and a sealing washer is arranged at the joint of the inner side of the positioning piece and the outer wall of the tank body, and the inner ring of the sealing washer is tightly attached to the outer wall of the backwashing water pipe.

4. The outer tank for a sewage treatment apparatus according to claim 1, wherein: the filter screen top has seted up the mounting groove, the mounting groove with the cavity intercommunication, be provided with the end cover in the mounting groove.

5. The outer tank for a sewage treatment apparatus according to claim 1, wherein: a plurality of evenly distributed are seted up to jar internal wall and are used for installing the location guide slot of filter screen, the filter screen outer wall be provided with a plurality ofly with location guide slot matched with sand grip.

6. The outer tank for a sewage treatment apparatus according to claim 5, wherein: the cross-sectional views of the positioning guide groove and the raised line are circular arc-shaped.

7. The outer tank for a sewage treatment apparatus according to claim 1, wherein: the filter layer is made of filter cotton.