CN223233382U - A sewage treatment pre-filtration device - Google Patents

Abstract

The utility model discloses a sewage treatment pre-filtering device, which belongs to the technical field of sewage pre-treatment devices; it comprises a pool body; the interior of the pool body is divided into a filter chamber and a garbage chamber by a partition, a liftable garbage bin is provided in the garbage chamber, a water inlet pipe with a variable length of extension into the filter chamber is provided on one side of the filter chamber, a water outlet pipe is provided below the filter chamber, a rotatable rotating shaft is provided above the partition, the rotating shaft is connected to a filter box in the filter chamber, and the garbage bin is driven to rotate by the rotating shaft, so that the sewage flowing out of the water inlet pipe will first be filtered through the filter box and then discharged from the outlet pipe. After the filter box has been filtering for a period of time, it can be rotated to transfer the filtered garbage to the garbage bin, and then the garbage bin can be raised to make it easier for workers to take out the garbage in the garbage bin, so that the filter box will not be blocked.

Description

Sewage treatment prefilter

Technical Field

The utility model provides a sewage treatment prefilter, and belongs to the technical field of sewage pretreatment devices.

Background

The sewage is a water body which is used in life and production activities and loses the original use function, contains various harmful or harmless suspended matters, colloid, soluble matters, microorganisms and other pollutants, is derived from a plurality of fields of families, businesses, industries, agriculture and the like, contains various components such as pathogens, grease, heavy metals, chemical matters and the like, and can seriously pollute surface water bodies and underground water and destroy aquatic ecosystems if being directly discharged untreated, and the safety and public health of drinking water of human beings can be influenced.

The prior sewage treatment mainly comprises a first pretreatment step of removing larger suspended solids, garbage and floaters in the sewage, a second primary treatment step of removing suspended solids with larger specific gravity and grease substances with smaller specific gravity in the sewage, a third secondary treatment step of biological treatment, wherein organic matters in the sewage are removed, the biological treatment step mainly comprises an activated sludge method and a biological membrane method, a fourth tertiary treatment step of advanced treatment is to further remove pollutants which cannot be removed by the second treatment step, and chemical precipitation, filtration, adsorption, membrane treatment such as reverse osmosis, nanofiltration, disinfection such as chlorination, ultraviolet rays and the like can be adopted to meet the discharge requirements of higher standards or meet the standards of reuse water, and a fifth step of sludge treatment is to properly treat sludge generated in the sewage treatment process through concentration, digestion, dehydration and final treatment such as land utilization, incineration or landfill.

At present, a filter screen is generally adopted to filter sewage during sewage pretreatment, so that garbage in the sewage can remain on the surface of the filter screen, and the filter screen is easy to be blocked.

Disclosure of utility model

The utility model aims to solve the technical problem that when a filter screen is used for prefiltering sewage at present, the filter screen is easy to block.

The technical scheme is that the sewage treatment prefilter comprises a tank body, wherein the interior of the tank body is divided into a filter cavity and a garbage cavity through a partition plate, a liftable garbage can is arranged in the garbage cavity, a water inlet pipe capable of changing the length of the garbage can extending into the filter cavity is arranged on one side of the filter cavity, a water outlet pipe is arranged below the filter cavity, a rotatable rotating shaft is arranged above the partition plate, and the rotating shaft is connected to the filter box in the filter cavity.

As an improvement, the middle parts of the two sides of the filter cavity and the garbage cavity below the tank body are respectively provided with supporting legs;

as an improvement, the upper end of the baffle plate is positioned at the upper part of the tank body;

as an improvement, the four corners of the dustbin below the tank body are respectively provided with a first cylinder, the cylinder shaft of the first cylinder penetrates through the tank body to be connected with the dustbin, when the cylinder shaft of the first cylinder stretches, the dustbin protrudes out of the tank body, and the lower end of the first cylinder is positioned above the lower end of the supporting leg;

As an improvement, the water inlet pipe comprises a main water pipe arranged on the outer side of the tank body, a sliding auxiliary water pipe is arranged at one end of the main water pipe, which is flush with the inner wall of the filter cavity, a valve is arranged at the end part of the auxiliary water pipe, two sides of the tank body, which are positioned on the main water pipe, are respectively provided with a second cylinder, a cylinder shaft of the second cylinder penetrates through the side wall of the tank body and is connected with the end part of the auxiliary water pipe through a connecting plate, and when the cylinder shaft of the second cylinder drives the auxiliary water pipe to stretch, the end part of the auxiliary water pipe is positioned above the filter box;

as an improvement, one side of the tank body is provided with a motor which is connected with the rotating shaft through a key;

As an improvement, when the motor drives the filter box to rotate through the rotating shaft, the filter box is not contacted with the side wall of the filter cavity, and when the filter box rotates 180 degrees, the upper end face of the filter box is attached to the upper end face of the dustbin when the cylinder shaft of the first cylinder is shortened;

As an improvement, a pull-out door is arranged at one side of the dustbin.

The utility model has the beneficial effects that:

The dustbin is driven to rotate through the rotating shaft, sewage flowing out of the water inlet pipe can be filtered through the filter tank and then discharged from the water outlet pipe, after the filter tank filters for a period of time, the filtered garbage can be rotated to be transferred into the dustbin, then the dustbin is lifted, so that workers can conveniently take out the garbage in the dustbin, and the filter tank cannot be blocked.

Drawings

FIG. 1 is a schematic diagram of a sewage treatment prefilter device according to the present utility model.

FIG. 2 is a schematic diagram showing a rotation state of a filter box of a sewage treatment prefilter device according to the present utility model.

FIG. 3 is a schematic view of a sewage treatment prefilter of the present utility model with a dustbin elevated.

FIG. 4 is a cross-sectional view of a tank body of a sewage treatment prefilter device of the present utility model.

1. The device comprises a tank body, 101, a partition plate, 102, a filter cavity, 103, a garbage cavity, 104, a supporting leg, 2, a garbage bin, 201, a first cylinder, 202, a door, 3, a water inlet pipe, 301, a main water pipe, 302, a secondary water pipe, 303, a valve, 304, a second cylinder, 305, a connecting plate, 4, a water outlet pipe, 5, a rotating shaft, 501, a motor and 6, and a filter box.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

According to the utility model, as shown in figures 1-4, the sewage treatment prefilter comprises a tank body 1, wherein the interior of the tank body 1 is divided into a filter cavity 102 and a garbage cavity 103 through a partition board 101, a liftable garbage can 2 is arranged in the garbage cavity 103, one side of the filter cavity 102 is provided with a water inlet pipe 3 which can change the length of the filter cavity 102, a water outlet pipe 4 is arranged below the filter cavity 102, a rotatable rotating shaft 5 is arranged above the partition board 101, the rotating shaft 5 is connected with a filter box 6 arranged in the filter cavity 102, supporting legs 104 are respectively arranged in the middle parts of two sides of the filter cavity 102 and the garbage cavity 103 below the tank body 1, the upper end of the partition board 101 is positioned at the upper part of the tank body 1, the garbage can 2 is driven to rotate by arranging the rotating shaft 5, so that sewage flowing out from the water inlet pipe 3 can be filtered by the filter box 6 and then discharged from the water outlet pipe 4, after the filter box 2 is filtered for a period of time, the filtered garbage can be transferred into the garbage can 2, and then workers can conveniently take out the garbage in the garbage can 2 by lifting the garbage can not be blocked;

The garbage can comprises a garbage can 2, a supporting leg 104, a first cylinder 201, a second cylinder 201, a first supporting leg 104, a second cylinder 202, a third cylinder 201, a fourth cylinder 201, a fifth cylinder 201, a sixth cylinder 201 and a fourth cylinder 201, wherein the first cylinder 201 is arranged at four corners of the garbage can 2 below the pool body 1 respectively, the first cylinder 201 penetrates through the pool body 1 to be connected with the garbage can 2, when the first cylinder 201 extends, the garbage can 2 protrudes out of the pool body 1, the lower end of the first cylinder 201 is located above the lower end of the supporting leg 104, and a pull-out door 202 is arranged on one side of the garbage can 1;

The water inlet pipe 3 comprises a main water pipe 301 arranged on the outer side of the tank body 1, a sliding auxiliary water pipe 302 is arranged at one end of the main water pipe 301 which is flush with the inner wall of the filter cavity 102, a valve 303 is arranged at the end part of the auxiliary water pipe 302, two cylinders 304 are respectively arranged at two sides of the main water pipe 301 of the tank body 1, cylinder shafts of the cylinders 304 penetrate through the side wall of the tank body 1 and are connected with the end part of the auxiliary water pipe 302 through connecting plates 305, and when the cylinder shafts of the cylinders 304 drive the auxiliary water pipe 302 to extend, the end part of the auxiliary water pipe 302 is positioned above the filter box 6;

According to the embodiment shown in figures 1, 2 and 3, a motor 501 which is in key connection with a rotating shaft 5 is arranged on one side of a tank body 1, when the motor 501 drives a filter box 6 to rotate through the rotating shaft 5, the filter box 6 does not contact with the side wall of a filter cavity 102, when the filter box 6 rotates 180 degrees, the upper end face of the filter box 6 is attached to the upper end face of a dustbin 2 when the cylinder shaft of a first cylinder 201 is shortened, and therefore when the motor 501 drives the filter box 6 to rotate through the rotating shaft 5, the upper end of the filter box 6 contacts with the upper end of the dustbin 2, garbage in the filter box 6 can be impacted to a certain extent, and therefore garbage in the filter box 6 can fall into the dustbin 2 completely.

When the garbage filtering device is used, the water inlet pipe 3 is communicated with the sewage pipe, sewage in the sewage pipe flows out from the water outlet pipe 4 after being filtered by the main water pipe 301 and the auxiliary water pipe 302 through the filter box 6, after the filter box 6 filters one end of the sewage, the garbage can remain in the filter box 6 and is easy to block, the filtering effect is affected, at the moment, the valve 303 is closed, the cylinder shaft of the cylinder II 304 is contracted, the extension length of the auxiliary water pipe 302 is shortened by the connecting plate 305, then the motor 501 is started, the motor 501 drives the filter box 6 to rotate through the rotating shaft 5 until the upper end surface of the filter box 6 contacts the upper end surface of the garbage box 2, the garbage in the filter box 6 is impacted to a certain degree, and then the output shaft of the motor 501 is reversed, so that the filter box 6 is reset, then the auxiliary water pipe 302 is prolonged, the valve 303 is opened, then the cylinder shaft of the cylinder I201 is prolonged, the garbage box 2 is protruded out of the tank body 1, then the garbage is completely taken out, and after the valve 202 is replaced and the cylinder seat of the cylinder I201 is contracted, so that the garbage box 2 is not reset, and the garbage box 6 cannot be blocked.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (8)

1. A sewage treatment prefilter comprises a tank body (1) and is characterized in that the interior of the tank body (1) is divided into a filter cavity (102) and a garbage cavity (103) through a partition board (101), a lifting garbage can (2) is arranged in the garbage cavity (103), a water inlet pipe (3) capable of changing the length of the filter cavity (102) is arranged on one side of the filter cavity (102), a water outlet pipe (4) is arranged below the filter cavity (102), a rotatable rotating shaft (5) is arranged above the partition board (101), and the rotating shaft (5) is connected with a filter box (6) arranged in the filter cavity (102).

2. The sewage treatment prefilter device of claim 1, wherein the lower part of the tank body (1) is provided with supporting legs (104) at the middle parts of the two sides of the filter cavity (102) and the garbage cavity (103) respectively.

3. A sewage treatment prefilter device according to claim 1, wherein the upper end of said partition plate (101) is located at the upper portion of the tank body (1).

4. The sewage treatment prefilter device of claim 2, wherein first air cylinders (201) are respectively arranged at four corners of the dustbin (2) below the tank body (1), air cylinder shafts of the first air cylinders (201) penetrate through the tank body (1) to be connected with the dustbin (2), when the air cylinder shafts of the first air cylinders (201) stretch, the dustbin (2) protrudes out of the tank body (1), and the lower ends of the first air cylinders (201) are located above the lower ends of the supporting legs (104).

5. The sewage treatment prefilter device of claim 1, wherein the water inlet pipe (3) comprises a main water pipe (301) arranged on the outer side of the tank body (1), a sliding auxiliary water pipe (302) is arranged at one end of the main water pipe (301) flush with the inner wall of the filter cavity (102), a valve (303) is arranged at the end part of the auxiliary water pipe (302), two air cylinders (304) are respectively arranged at two sides of the main water pipe (301) of the tank body (1), air cylinder shafts of the two air cylinders (304) penetrate through the side wall of the tank body (1) and are connected with the end parts of the auxiliary water pipe (302) through connecting plates (305), and when the air cylinder shafts of the two air cylinders (304) drive the auxiliary water pipe (302) to stretch, the end parts of the auxiliary water pipe (302) are located above the filter tank (6).

6. A sewage treatment prefilter according to claim 4, wherein a motor (501) is provided on one side of the tank body (1) and is keyed to the shaft (5).

7. The sewage treatment prefilter device of claim 6, wherein when the motor (501) drives the filter box (6) to rotate through the rotating shaft (5), the filter box (6) does not contact the side wall of the filter cavity (102), and when the filter box (6) rotates 180 degrees, the upper end face of the filter box (6) is attached to the upper end face of the dustbin (2) when the cylinder shaft of the first cylinder (201) is shortened.

8. A sewage treatment prefilter according to claim 1, wherein a pull-out door (202) is provided on one side of the dustbin (2).