CN219091350U

CN219091350U - Sand filter for sewage treatment

Info

Publication number: CN219091350U
Application number: CN202320014436.0U
Authority: CN
Inventors: 黄义忠; 何锐
Original assignee: Anhui Huirun Environmental Protection Technology Co ltd
Current assignee: Anhui Huirun Environmental Protection Technology Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-05-30
Anticipated expiration: 2033-01-04

Abstract

The utility model discloses a sand filter for sewage treatment, and relates to the technical field of sand filters. The sand filter comprises a sand filter body, wherein the sand filter body comprises a tank body, and a tank cover is movably connected to the top of the tank body; a positioning plate is fixed at the bottom of the inner wall of the tank body, and a plurality of positioning holes are formed in the surface of the positioning plate; the upper surface of the positioning plate is movably connected with a screen plate, and a plurality of positioning rods are fixed at the bottom of the screen plate; the upper surface of the screen plate is fixed with a plurality of support rods, and one end of each support rod is fixed with a handle; the side surface of the screen plate is fixed with a sealing air bag; an air outlet pipe is fixed at the outer end of the sealing air bag, and a valve is fixed at one end of the air outlet pipe. The device can facilitate a user to clean the inside of the tank body in time through the effect of the sealing air bag, and the sealing air bag is arranged on the outer side of the screen plate, so that the sealing air bag is inflated during normal use, the gap between the screen plate and the inner wall of the tank body can be filled, and the quality of filtered water is ensured under the condition of facilitating cleaning of the gravel filtering layer.

Description

Sand filter for sewage treatment

Technical Field

The utility model belongs to the technical field of sand filters, and particularly relates to a sand filter for sewage treatment.

Background

The sand filter is a shallow medium filter, and is a high-efficiency filtering device for removing suspended matters, microorganisms and other fine particles in water by using a filtering medium, and finally achieving the effects of reducing the turbidity of the water and purifying the water quality. Under the long-term use of sand filters, the interior needs to be overhauled, wherein elements in the interior need to be detached and replaced during overhauling.

The utility model with the publication number of CN215962287U and the name of sand filter convenient for maintenance discloses a sand filter, which mainly takes out the elements from the interior of a filter tank through disassembly, is simpler to operate, and saves a great amount of manpower and material resources during subsequent cleaning and maintenance. But set up the component as detachable, the gap is great between the component also can appear, and sewage leaks in the gap easily to lead to polluting the condition of water purification, reduced the filter effect.

Disclosure of Invention

The utility model aims to provide a sand filter for sewage treatment, which can facilitate a user to clean the inside of a tank body in time through the action of a sealing air bag, and the sealing air bag is arranged on the outer side of a screen plate, so that the sand filter can fill a gap between the screen plate and the inner wall of the tank body when the sand filter is used normally, the quality of filtered water is ensured under the condition that a gravel filter layer is convenient to clean, the problems that the existing elements are detachable, gaps among the elements are large, sewage is easy to leak out from the gaps, the condition of polluting purified water is caused, and the filtering effect is reduced are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the sand filter for sewage treatment comprises a sand filter body, wherein the sand filter body comprises a tank body, and a tank cover is movably connected to the top of the tank body.

The bottom of the inner wall of the tank body is fixedly provided with a positioning plate, and a plurality of positioning holes are formed in the surface of the positioning plate.

The upper surface of the positioning plate is movably connected with a screen plate, and a plurality of positioning rods are fixed at the bottom of the screen plate.

The upper surface of the screen plate is fixedly provided with a plurality of supporting rods, and one end of each supporting rod is fixedly provided with a handle.

The side surface of the screen plate is fixed with a sealing air bag.

An air outlet pipe is fixed at the outer end of the sealing air bag, and a valve is fixed at one end of the air outlet pipe.

The side of the tank body is provided with a through hole, and the air outlet pipe penetrates through the through hole.

A plurality of gravel filter layers are fixed in the tank body.

The utility model is further provided with: the upper surface of the tank body is provided with a sealing groove, and a plurality of first mounting plates are fixed on the outer surface of the tank body.

The utility model is further provided with: a plurality of second mounting plates are fixed on one side of the tank cover, and threaded holes are formed in the surfaces of the second mounting plates and the first mounting plates.

And a sealing strip is fixed on one side of the tank cover.

The utility model is further provided with: the sewage inlet pipe is fixed in the tank cover, and the water outlet pipe is fixed at the bottom of the tank body.

The utility model is further provided with: the locating rod is of a cylindrical structure, and the locating rod is matched with the locating hole.

The utility model has the following beneficial effects:

1. the device can facilitate a user to clean the inside of the tank body in time through the effect of the sealing air bag, and the sealing air bag is arranged on the outer side of the screen plate, so that the sealing air bag is inflated during normal use, the gap between the screen plate and the inner wall of the tank body can be filled, and the quality of filtered water is ensured under the condition of facilitating cleaning of the gravel filtering layer.

2. According to the tank cover cleaning device, through the functions of the first mounting plate and the second mounting plate, after the tank body is cleaned, the tank cover can be covered back to the top of the tank body, and tools such as bolts are utilized to rotate into the threaded holes, so that the tank cover is fixed.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a sand filter for sewage treatment according to the present utility model.

Fig. 2 is a schematic diagram of the internal structure of the present utility model.

Fig. 3 is a schematic view of the internal structure of the can body of the present utility model.

Fig. 4 is a schematic view of the can lid according to the present utility model.

Fig. 5 is a schematic view of the structure of the support rod according to the present utility model.

Fig. 6 is an enlarged view of a portion of fig. 5 a in accordance with the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

the sand filter comprises a 1-sand filter body, a 2-tank body, a 3-tank cover, a 4-locating plate, 5-locating holes, a 6-screen plate, 7-locating rods, 8-supporting rods, 9-handles, 10-sealing air bags, 11-air outlet pipes, 12-valves, 13-through holes, 14-gravel filter layers, 15-sealing grooves, 16-first mounting plates, 17-second mounting plates, 18-threaded holes, 19-sealing strips, 20-sewage inlet pipes and 21-water outlet pipes.

Detailed Description

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Example 1

Referring to fig. 1-6, the present utility model provides the following technical solutions:

the sand filter for sewage treatment comprises a sand filter body 1, wherein the sand filter body 1 comprises a tank body 2, and a tank cover 3 is movably connected to the top of the tank body 2; a positioning plate 4 is fixed at the bottom of the inner wall of the tank body 2, and a plurality of positioning holes 5 are formed in the surface of the positioning plate 4; the upper surface of the positioning plate 4 is movably connected with a screen plate 6, and a plurality of positioning rods 7 are fixed at the bottom of the screen plate 6; a plurality of support rods 8 are fixed on the upper surface of the screen plate 6, and a handle 9 is fixed at one end of each support rod 8; the side surface of the screen plate 6 is fixed with a sealing air bag 10; the outer end of the sealed air bag 10 is fixed with an air outlet pipe 11, and one end of the air outlet pipe 11 is fixed with a valve 12; a through hole 13 is formed in the side face of the tank body 2, and the air outlet pipe 11 penetrates through the through hole 13; a plurality of gravel filter layers 14 are fixed in the tank body 2; when the sand filter is used, sewage enters the sand filter body 1 through the sewage inlet pipe 20, the sewage is filtered through the sand filter layer 14 layer by layer, the sewage is discharged through the water outlet pipe 21 after the filtering is finished, after a period of use, if the inside of the tank body 2 needs to be cleaned, after the tank cover 3 is opened through screwing out a bolt and other fixing tools in the threaded hole 18, the valve 12 is opened again, the valve 12 discharges gas in the sealing airbag 10, after the sealing airbag 10 is shrunken, the whole supporting rod 8 and the screen 6 at the bottom of the supporting rod are lifted upwards by the handle 9, in the process, the sand filter layer 14 in the tank body 2 is lifted along with the sand filter layer, the device can be convenient for a user to clean the inside of the tank body 2 in time, and the sealing airbag 10 is arranged outside the screen 6, the sealing airbag 10 is inflated, gaps between the screen 6 and the inner wall of the tank body 2 can be filled in during normal use, and the quality of filtered water is ensured under the condition that the sand filter layer 14 is convenient to clean.

Example two

Referring to fig. 3-4, the present utility model provides the following technical solutions based on the first embodiment:

the upper surface of the tank body 2 is provided with a sealing groove 15, and a plurality of first mounting plates 16 are fixed on the outer ring of the tank body 2; a plurality of second mounting plates 17 are fixed on one side of the tank cover 3, and threaded holes 18 are formed in the surfaces of the second mounting plates 17 and the first mounting plates 16; a sealing strip 19 is fixed on one side of the tank cover 3; a sewage inlet pipe 20 is fixed in the tank cover 3, and an outlet pipe 21 is fixed at the bottom of the tank body 2; the positioning rod 7 is of a cylindrical structure, and the positioning rod 7 is matched with the positioning hole 5; when the device is used, after the tank body 2 is cleaned, the tank cover 3 can be covered back to the top of the tank body 2, and tools such as bolts are utilized to rotate into the threaded holes 18, so that the tank cover 3 is fixed, the device can flexibly install and detach the tank cover 3, and a user can clean or maintain the inside of the tank body 2 conveniently.

The utility model provides a sand filter for sewage treatment, which has the following working principle: when the sand filter is used, sewage enters the sand filter body 1 through the sewage inlet pipe 20, is filtered through the gravel filter layer 14 layer by layer, is discharged through the water outlet pipe 21 after the filtration is finished, after a period of use, if the inside of the tank body 2 needs to be cleaned, the tank cover 3 can be opened through screwing out a fixing tool such as a bolt in the threaded hole 18, the valve 12 is opened again, the gas in the sealing air bag 10 is discharged through the valve 12, the sealing air bag 10 is shrunken, the whole supporting rod 8 and the screen 6 at the bottom of the supporting rod are lifted upwards through the handle 9, the gravel filter layer 14 in the tank body 2 is lifted along with the inside of the tank body, the device can be convenient for a user to clean the inside of the tank body 2 in time, and after the tank body 2 is cleaned, the tank cover 3 can be covered back to the top of the tank body 2 and is rotated into the threaded hole 18 through a tool such as a bolt, so as to fix the tank cover 3; and be provided with sealed gasbag 10 in the otter board 6 outside, in normal use, aerify to sealed gasbag 10 in for it can fill up the space between otter board 6 and the jar body 2 inner wall, under the circumstances that makes things convenient for gravel filter layer 14 clean, guarantees the quality of filtering water.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a sand filter for sewage treatment, includes sand filter body (1), its characterized in that: the sand filter body (1) comprises a tank body (2), and a tank cover (3) is movably connected to the top of the tank body (2);

a positioning plate (4) is fixed at the bottom of the inner wall of the tank body (2), and a plurality of positioning holes (5) are formed in the surface of the positioning plate (4);

the upper surface of the positioning plate (4) is movably connected with a screen plate (6), and a plurality of positioning rods (7) are fixed at the bottom of the screen plate (6);

a plurality of support rods (8) are fixed on the upper surface of the screen plate (6), and a handle (9) is fixed at one end of each support rod (8);

a sealing air bag (10) is fixed on the side surface of the screen plate (6);

an air outlet pipe (11) is fixed at the outer end of the sealing air bag (10), and a valve (12) is fixed at one end of the air outlet pipe (11);

a through hole (13) is formed in the side face of the tank body (2), and the air outlet pipe (11) penetrates through the through hole (13);

a plurality of gravel filter layers (14) are fixed in the tank body (2).

2. The sand filter for sewage treatment according to claim 1, wherein a sealing groove (15) is formed in the upper surface of the tank body (2), and a plurality of first mounting plates (16) are fixed on the outer ring of the tank body (2).

3. A sand filter for sewage treatment according to claim 2, characterized in that a plurality of second mounting plates (17) are fixed on one side of the tank cover (3), and threaded holes (18) are formed on the surfaces of the second mounting plates (17) and the first mounting plates (16);

one side of the tank cover (3) is fixed with a sealing strip (19).

4. The sand filter for sewage treatment according to claim 1, wherein a sewage inlet pipe (20) is fixed inside the tank cover (3), and a water outlet pipe (21) is fixed at the bottom of the tank body (2).

5. A sand filter for sewage treatment according to claim 1, characterized in that the positioning rod (7) has a cylindrical structure, and the positioning rod (7) is matched with the positioning hole (5).