CN222173396U - A sewage pretreatment filtration system - Google Patents

Abstract

The utility model discloses a sewage pretreatment filtering system which comprises a filtering box and a net barrel, wherein a barrel is arranged in the filtering box and is obliquely provided with a floating material spiral blade, the right end of the barrel is provided with a first motor in transmission connection with the floating material spiral blade, the lower surface of the barrel is provided with a discharging pipe, the net barrel is rotationally connected with the left end of the barrel, the floating material spiral blade extends into the net barrel, the net barrel is internally provided with a linkage rod, the floating material spiral blade is connected with the linkage rod, a scraping plate corresponding to the net barrel is arranged in the filtering box, the floating material spiral blade discharges the floating material along the barrel, the floating material in sewage is separated and treated independently, the first motor drives the net barrel to rotate through the floating material spiral blade, and when the surface of the net barrel is provided with attachments, the rotating net barrel contacts with the scraping plate, so that attachments on the net barrel can be cleaned without manual frequent cleaning and delay of sewage filtration.

Description

Sewage pretreatment filtration system

Technical Field

The utility model relates to the technical field of sewage pretreatment, in particular to a sewage pretreatment filtering system.

Background

The sewage pretreatment equipment can effectively treat domestic sewage, industrial wastewater and the like in urban areas, prevent sewage and pollutants from directly flowing into water areas, and improve ecological environment. The prior sewage treatment equipment uses grids with different meshes to filter impurities in water with different sizes, and then separates the impurities. However, after the grid is used for a long time, a large amount of sundries are accumulated on the surface of the grid, so that the resistance of water passing through the grid is increased, the filtering efficiency is gradually deteriorated, at the moment, a user is required to manually clean or replace the filter screen plate again, and if the water is not clear enough, the cleaning is more inconvenient, and the pretreatment of sewage is delayed.

Disclosure of utility model

The utility model aims to provide a sewage pretreatment filtering system for solving the problems in the background technology.

The sewage pretreatment filtering system comprises a filtering box, wherein a bobbin is installed in the filtering box and is obliquely arranged, a floating material helical blade is installed in the bobbin, a first motor in transmission connection with the floating material helical blade is installed at the right end of the bobbin, a discharging pipe is arranged on the lower surface of the bobbin, and impurities are conveyed out of the filtering box by using the floating material helical blade;

The net barrel is rotationally connected with the left end of the bobbin, the floating material helical blade extends into the net barrel, a linkage rod is arranged in the net barrel, the floating material helical blade is connected with the linkage rod, a scraping plate corresponding to the net barrel is arranged in the filter box, and dirt on the surface is scraped by the scraping plate when the net barrel rotates, so that the automatic cleaning of the net barrel can be realized, and frequent manual cleaning is not needed;

The guide plate is fixedly connected to the inner wall of the filter box and inserted into the net barrel, so that floating impurities in sewage can be completely introduced into the net barrel, and floating impurities in water can be separated.

Further, the filter tank lower surface mounting has subsides conveyer pipe, and subsides conveyer pipe and filter tank intercommunication, subsides conveyer pipe internally mounted has the spiral blade of sinking material, subsides conveyer pipe surface mounting has the second motor of being connected with the spiral blade transmission of sinking material, subsides conveyer pipe lower surface is equipped with the scum pipe, and the impurity of sinking in the filter tank bottom enters into subsides conveyer pipe inside, and the rethread subsides spiral blade is got rid of the impurity.

Further, the filter tank lower surface mounting has the catch basin with the filter tank intercommunication, the catch basin upper surface rotates and is connected with the inspection lid, the catch basin lower surface is equipped with the blow off pipe, and the sewage after being filtered enters into the catch basin, and when some less impurity fell to the catch basin bottom, was discharged through the blow off pipe.

The filter box is internally provided with a supporting seat, the supporting seat is rotationally connected with the net drum, and the net drum is supported in an auxiliary mode, so that the stability of rotation of the net drum is improved.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The sewage is sent into the filter tank through the water inlet pipe, flows into the water collecting tank after being filtered by the net drum, floats in the sewage all enter the net drum, the floats are discharged along the bobbin by the float spiral blades, and the floats in the sewage are separated for independent treatment, so that the treatment of the sewage is not influenced.

(2) When the sediment in the sewage falls to the bottom of the filter tank, the sediment flows into the slag discharging pipe, and the sediment spiral blades rotate to discharge the sediment along the sedimentation conveying pipe, so that the sediment in the sewage is separated for independent treatment, and the sewage treatment is not influenced.

(3) The first motor drives the net drum to rotate through the floating material helical blade, when the surface of the net drum is provided with attachments, the rotating net drum is contacted with the scraping plate, attachments on the net drum can be cleaned, manual frequent cleaning is not needed, and filtration of sewage cannot be delayed.

Drawings

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

FIG. 2 is a cross-sectional view of the present utility model;

fig. 3 is a cross-sectional view of the sump of the present utility model.

In the figure, 1, a filter box; 2, a water inlet pipe, 3, a sealing cover, 4, a bobbin, 5, a first motor, 6, a discharge pipe, 7, a sedimentation conveying pipe, 8, a slag discharging pipe, 9, a second motor, 10, a water collecting tank, 11, a blow-down pipe, 12, a net drum, 13, a horn pipe, 14, a guide plate, 15, a floating material helical blade, 16, a supporting seat, 17, a sinking material helical blade, 18, a linkage rod, 19, an inspection cover, 20 and a scraping plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples:

Referring to fig. 1-3, the utility model provides a sewage pretreatment filtering system, which comprises a filtering box 1, wherein a bobbin 4 is installed in the filtering box 1, the bobbin 4 is obliquely arranged, a floating material helical blade 15 is installed in the bobbin 4, a first motor 5 in transmission connection with the floating material helical blade 15 is installed at the right end of the bobbin 4, and a discharging pipe 6 is arranged on the lower surface of the bobbin 4;

The bobbin 4 is low on the left and high on the right, the first motor 5 drives the floating material helical blade 15 to rotate, and when the floating impurities enter the bobbin 4, the floating impurities are automatically shot out from the filter box 1 by utilizing the pushing force of the floating material helical blade 15;

The net barrel 12 is rotationally connected with the left end of the bobbin 4, the floating material helical blade 15 extends into the net barrel 12, a linkage rod 18 is arranged in the net barrel 12, the floating material helical blade 15 is connected with the linkage rod 18, a scraper 20 corresponding to the net barrel 12 is arranged in the filter box 1, and the net barrel 12 and the floating material helical blade 15 synchronously rotate, so that the scraper 20 can be guaranteed to comprehensively clean the net barrel 12;

The grid is bent to form the net barrel 12, the size of a cavity on the net barrel 12 can be confirmed according to the size of a floating object, and the scraping plate 20 is made of an elastic material, so that the scraping plate 20 can clean the net barrel 12 and prevent the net barrel 12 and the scraping plate 20 from being damaged;

The guide plate 14 is fixedly connected to the inner wall of the filter box 1, the guide plate 14 is inserted into the net barrel 12, and the guide plate 14 guides the floating objects to enter the net barrel 12, so that the floating objects are prevented from being missed.

In this embodiment, as shown in fig. 2, a sedimentation conveying pipe 7 is installed on the lower surface of the filtering box 1, and the sedimentation conveying pipe 7 is communicated with the filtering box 1, so that sediment can smoothly fall into the sedimentation conveying pipe 7, and the lower part of the filtering box 1 is conical to guide the sediment to flow to the sedimentation conveying pipe 7;

The sedimentation conveying pipe 7 is internally provided with a sedimentation material helical blade 17, the surface of the sedimentation conveying pipe 7 is provided with a second motor 9 which is in transmission connection with the sedimentation material helical blade 17, the lower surface of the sedimentation conveying pipe 7 is provided with a slag discharging pipe 8, sediment discharged by the sedimentation material helical blade 17 is discharged through the slag discharging pipe 8, and a material receiving trolley or other containers can be used for receiving the sediment.

In this embodiment, as shown in fig. 1 and 3, the lower surface of the filtering tank 1 is provided with a water collecting tank 10 communicated with the filtering tank 1, the upper surface of the water collecting tank 10 is rotatably connected with a check cover 19, the lower surface of the water collecting tank 10 is provided with a sewage discharge pipe 11, the check cover 19 is opened to check whether sewage is filtered completely, the sewage can be treated again in the water collecting tank 10, and the flocculant can be used to precipitate the particulate impurities in the sewage and discharge the particulate impurities through the sewage discharge pipe 11.

In this embodiment, as shown in fig. 1 and 2, the filter box 1 is provided with a cover 3, the left side surface of the filter box 1 is provided with a water inlet pipe 2, the net drum 12 can be cleaned manually by opening the cover 3, and sewage is sent into the filter box 1 through the water inlet pipe 2.

In this embodiment, as shown in fig. 2, a flare tube 13 is fixedly connected to the inner wall of the net drum 12, and the floats are guided to enter the bobbin 4 by the flare tube 13, so as to improve the discharge efficiency of the floats.

In this embodiment, as shown in fig. 2, a supporting seat 16 is disposed inside the filtering box 1, and the supporting seat 16 is rotatably connected with the net drum 12, so as to ensure that the net drum 12 does not shake when rotating, and reduce wear of the net drum 12.

Specifically, when the sewage treatment device is used, sewage enters the filter tank 1 through the water inlet pipe 2, and flows into the water collecting tank 10 after flowing through the net barrel 12, so that floating matters in the sewage are collected by the net barrel 12, the first motor 5 drives the floating material helical blade 15 to rotate, the floating material helical blade 15 is matched with the bobbin 4 to convey the floating matters, the floating material helical blade 15 drives the net barrel 12 to rotate through the linkage rod 18, and when the net barrel 12 is contacted with the scraping plate 20, the rotating net barrel 12 is cleaned by the scraping plate 20 without frequent manual cleaning;

When the sediment in the sewage falls to the bottom of the filter tank 1, the sediment flows towards the sedimentation conveying pipe 7, the second motor 9 drives the sedimentation spiral blade 17 to rotate, the sedimentation spiral blade 17 is matched with the sedimentation conveying pipe 7, the sediment is discharged, and the sediment and the floaters in the sewage are separated.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A wastewater pretreatment filtration system, comprising:

The filter box (1), filter box (1) internally mounted has bobbin (4), and bobbin (4) are the slope setting, bobbin (4) internally mounted has floating material helical blade (15), bobbin (4) right-hand member install with floating material helical blade (15) transmission connection first motor (5), bobbin (4) lower surface is equipped with row material pipe (6);

The net barrel (12), the net barrel (12) is rotationally connected with the left end of the bobbin (4), the floating material helical blade (15) extends into the net barrel (12), a linkage rod (18) is arranged in the net barrel (12), the floating material helical blade (15) is connected with the linkage rod (18), and a scraping plate (20) corresponding to the net barrel (12) is arranged in the filter box (1);

The guide plate (14), guide plate (14) fixed connection is at rose box (1) inner wall, guide plate (14) intubate net section of thick bamboo (12) inside.

2. The sewage pretreatment filtering system according to claim 1, wherein a sedimentation conveying pipe (7) is arranged on the lower surface of the filtering box (1), the sedimentation conveying pipe (7) is communicated with the filtering box (1), a sedimentation spiral blade (17) is arranged in the sedimentation conveying pipe (7), a second motor (9) in transmission connection with the sedimentation spiral blade (17) is arranged on the surface of the sedimentation conveying pipe (7), and a slag discharging pipe (8) is arranged on the lower surface of the sedimentation conveying pipe (7).

3. The sewage pretreatment filtering system according to claim 1, wherein a water collecting tank (10) communicated with the filtering tank (1) is arranged on the lower surface of the filtering tank (1), an inspection cover (19) is rotatably connected to the upper surface of the water collecting tank (10), and a drain pipe (11) is arranged on the lower surface of the water collecting tank (10).

4. The sewage pretreatment filter system according to claim 1, wherein the filter box (1) is provided with a sealing cover (3), and the left side surface of the filter box (1) is provided with a water inlet pipe (2).

5. The sewage pretreatment filter system according to claim 1, wherein a horn tube (13) is fixedly connected to the inner wall of the net drum (12).

6. The sewage pretreatment filter system according to claim 1, wherein a supporting seat (16) is arranged in the filter box (1), and the supporting seat (16) is rotatably connected with the net drum (12).