CN219355563U

CN219355563U - Waste water purifying treatment device

Info

Publication number: CN219355563U
Application number: CN202320660280.3U
Authority: CN
Inventors: 张倚铭; 易分; 杨梅; 游茂林
Original assignee: Sichuan Vocational College of Chemical Technology
Current assignee: Sichuan Vocational College of Chemical Technology
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-07-18
Anticipated expiration: 2033-03-30

Abstract

The utility model discloses a wastewater purification treatment device, which comprises a tank, a sieve plate, a rotating shaft and rotating equipment, wherein the sieve plate is arranged on the tank; the sieve plate divides the tank interior into an upper part and a lower part, the rotating equipment is used for driving the rotating shaft to rotate, the rotating shaft is a hollow rod, one end of the rotating shaft extends into the lower part of the tank and is fixedly provided with a scraper, a floater inlet which is radially arranged along the rotating shaft is arranged at the connection part of the rotating shaft and the scraper, and the shape of the scraper is configured to push impurities to the floater inlet when the scraper rotates along with the rotating shaft; the other end of the rotating shaft extends upwards to the outside of the tank, and a shutoff mechanism for controlling the starting and stopping of the internal channel of the rotating shaft is further arranged on the rotating shaft. This device sets up two solid material exports, utilizes the filter interception solid material, and the scraper blade is clear up impurity on the filter and is collected floating class waste product, and the impurity of density ratio water is discharged from the tank bottoms, and the impurity that the leakproofness is lighter than water relies on buoyancy to discharge through the pivot, therefore, the solid impurity of multiple density can be handled to this device, has reduced the requirement to the raw materials, and application scope is wide.

Description

Waste water purifying treatment device

Technical Field

The utility model relates to the technical field of sewage treatment equipment, in particular to a sewage pretreatment technology, and specifically relates to a wastewater purification treatment device.

Background

Waste water, also known as sewage, is a general term for water discharged during activities of residents and runoff rainwater. There are many sources such as domestic sewage and industrial wastewater, and specific treatment means of various wastewater are related to impurity components and content, but almost all wastewater contains solid impurities, so that pretreatment devices are arranged to treat the solids.

In the prior art, a plurality of economical solid treatment means are available, one is to adopt a valveless filter to filter impurities, the filter is pushed to flow in the direction of fluid in the filter by means of siphon effect after raw material water is accumulated, so that back flushing is carried out, filter materials in the filter are regenerated, power equipment is hardly needed in the whole process, the energy-saving effect is obvious, the raw material water consumption is high, and a large amount of wastewater with medium impurity content (higher than the solid impurity content of raw material sewage) is generated, such as CN202120976117.9; another technology is to adopt a filter screen or a plate to filter, and clean the filter screen or the plate by arranging a scraping plate and the like, so as to realize the cleaning while filtering, and the equipment realizes the cleaning of a filter component by means of external power, so that the power consumption is relatively more, but the waste water production is less, such as CN202222359688.5. However, the solid impurities aimed at by these devices are mainly solid impurities with large specific gravity (density is greater than that of wastewater), and for low-density solid impurities, such as foam blocks, rubber and other floating solids, there is a general need to provide a larger standing space in the previous procedure, such as a sedimentation tank, so that these floating objects slowly flow in the sedimentation tank, stand Shi Fupiao on the liquid surface, and are removed by salvage and other modes, but this increases the occupied area of the device, also reduces the application range of the device, and for places without sedimentation for salvaging floating objects, such as fluid with higher flow velocity and insufficient standing separation time, such floating solids on the liquid surface can enter and accumulate in the device, thereby causing problems such as blockage and the like, which seriously affect the operation period of the device.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a wastewater purification treatment device, which is provided with two solid material outlets, solid impurities are intercepted by utilizing a sieve plate, the sieve plate is used for cleaning waste on the sieve plate and collecting floating impurities, impurities with density heavier than water are discharged from the bottom of a tank by gravity sedimentation, and impurities with tightness lighter than water are discharged from an upper outlet through a channel in a rotating shaft by means of buoyancy.

In order to solve the problems, the technical scheme provided by the utility model is as follows:

the waste water purifying treatment device comprises a tank, a sieve plate, a rotating shaft, rotating equipment and a scraping plate, wherein the sieve plate is horizontally arranged in the tank and divides the interior of the tank into an upper part and a lower part, the lower part of the tank is provided with a raw material inlet and a first slag discharge port, and the upper part of the tank is provided with a purified water outlet; the rotating equipment is used for driving the rotating shaft to rotate; the rotating shaft is a hollow rod, one end of the rotating shaft extends into the lower part of the tank and is fixedly provided with a scraper, a floater inlet which is radially arranged along the rotating shaft is arranged at the connecting part of the rotating shaft and the scraper, and the scraper at least partially extends along the radial direction of the sieve plate and is configured to push fluid and impurities to the floater inlet when rotating along with the rotating shaft; the other end of the rotating shaft extends upwards and extends out of the tank, and a shutoff mechanism for controlling the activation and deactivation (closing and opening) of the internal channel of the rotating shaft is arranged on the rotating shaft.

As a specific embodiment of the utility model, the shutoff mechanism is a valve;

as a specific embodiment of the present utility model, the shutoff mechanism is two valves connected in series and spaced apart by a certain distance.

As a specific implementation mode of the utility model, the scraping plate is in sliding connection with the rotating shaft along the axial key groove of the rotating shaft, and the device further comprises an elastic element for pushing the scraping plate to abut against the sieve plate.

As a specific embodiment of the utility model, the scraping plate is arc-shaped, and one end of the scraping plate, which is fixed with the rotating shaft, is positioned behind the other end along the rotation direction of the scraping plate.

As a specific embodiment of the utility model, the scraping plate is a plane plate, and one end of the scraping plate, which is fixed with the rotating shaft, is positioned behind the other end along the rotation direction of the scraping plate.

The cleaning component is positioned in the upper part of the tank and is abutted against the sieve plate, and the rotating shaft is connected with the cleaning component and used for driving the cleaning component to rotate along the plane of the sieve plate.

The beneficial effects are that:

the purification device is provided with two solid material outlets, solid materials are intercepted by the sieve plate, the scraper plate is used for cleaning impurities on the sieve plate and collecting floating wastes, impurities with density heavier than water are discharged from a slag discharge port at the bottom of the tank by gravity sedimentation, and impurities with tightness lighter than water are discharged through the rotating shaft by means of buoyancy. Therefore, the device can treat solid impurities with various densities, reduces the requirement on raw materials and has wide application range.

Drawings

FIG. 1 is a sectional view of a wastewater purification treatment apparatus in example 1 of the present utility model;

FIG. 2 is a schematic view showing the construction of a rotating blade assembly in example 1;

FIG. 3 is a sectional view of a wastewater purifying apparatus in example 2 of the present utility model;

FIG. 4 is a top view of the screed of example 2;

in the figure: a tank 100; a screen plate 200; a rotation shaft 300; a rotating device 400; a scraper 500; a pin 600; a spring 700, a cleaning assembly 800;

a raw material inlet 101; a bottom slag discharge port 102; a purified water outlet 103; a float inlet 301; a shutoff mechanism 302.

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.

Example 1

Referring to fig. 1, fig. 1 is a cross-sectional view showing the overall structure of the wastewater purification apparatus of the present embodiment, which includes a tank 100, a screen 200, a rotary shaft 300, a rotary device 400, and a scraper 500.

The tank 100 is a hollow rotating body structure, the sieve plate 200 is horizontally arranged in the tank 100 and divides the interior of the tank 100 into an upper part and a lower part, wherein the lower part of the tank 100 is provided with a raw material inlet 101 and a bottom slag discharge port 102, the upper part of the tank 100 is provided with a purified water outlet 103, the waste water raw material containing solid impurities enters the tank 100 from the raw material inlet 101, and flows out from the purified water outlet 103 after being filtered by the sieve plate 200, and the solid impurities are intercepted by the sieve plate 200. Part of impurities (e.g., stones) having a high density to water are settled by gravity to the bottom of the tank 100 and discharged from the bottom slag hole 102, and part of impurities (e.g., foam blocks) having a lower density than water float under the screen plate 100, but of course, some impurities are adhered to the screen plate 200.

The rotating device 400 is used for driving the rotating shaft 300 to rotate, the rotating shaft 300 is a hollow rod, one end of the rotating shaft 300 extends into the lower part of the tank 100 and is connected with the scraping plate 500, referring to fig. 2, fig. 2 is a schematic diagram of a combined structure of the rotating shaft scraping plate, a floater inlet 301 arranged along the radial direction of the rotating shaft 300 is arranged at the connecting part of the rotating shaft 300 and the scraping plate 500, at least part of the scraping plate 500 extends along the radial direction of the sieve plate 200 and is configured to push fluid and impurities to the floater inlet 301 when rotating along with the rotating shaft 300, so that floating impurities are collected in the hollow part of the rotating shaft 300; the other end of the rotating shaft 300 extends upwards and extends out of the tank 100, a shut-off mechanism 302 for controlling the opening and closing of the internal channel of the rotating shaft 300 is arranged at the part of the rotating shaft 300 located outside the tank 100, after the shut-off mechanism 302 closes the internal channel of the rotating shaft 300, the interior of the tank 100 is isolated from the outside, impurities with lower density at the lower part of the tank 100 can move upwards and float in the rotating shaft after being gathered into the rotating shaft 300, after the shut-off mechanism 302 opens the internal channel of the rotating shaft 300, the interior of the tank 100 is communicated with the outside, the impurities with lower density float on the liquid surface and can be easily taken out, and thus the blockage caused by the floating of the impurities in the tank 100 is avoided. Meanwhile, the scraping plate 500 also scrapes the impurities adhered on the sieve plate 200 in the rotating process, so as to clean the sieve plate 200.

In order to enable the scraping plate 500 to clean the screen plate 200 better in the rotating process, a sliding groove extending along the axial direction of the scraping plate is arranged on the outer wall of the rotating shaft 300, the scraping plate 500 is in sliding connection with the rotating shaft 300 along the sliding groove, so that the scraping plate 500 can slide along the axial direction of the rotating shaft 300 and cannot rotate around the rotating shaft, one end of the spring 700 is fixed on the rotating shaft 300 through the pin 600, and the other end of the spring 700 presses the lower end of the scraping plate 500, so that the scraping plate 500 is pushed to move upwards and abut against the screen plate 200.

Specifically, in this embodiment, the shutoff mechanism 302 is a valve, the scraper 500 is arc-shaped, and one end of the scraper 500 fixed to the rotating shaft 300 is located at the rear of the other end along the rotation direction of the scraper 500; the particular manner in which the rotary apparatus 400 drives the shaft 300 is a conventional arrangement, such as a conventional sprocket drive, belt drive, gear drive, and so forth, and which will not be described in detail herein,

example 2

Referring to fig. 3 and 4, the difference between the present embodiment and embodiment 1 is the following three aspects:

1. the shut-off mechanism is different, the shut-off mechanism in the embodiment is two valves which are connected in series and are spaced at a certain distance, a cavity between the two valves can be used as a place for temporarily storing floating solid impurities, the floating impurities can be taken out after the lower valve is closed and the upper valve is opened, and in the process, water in the tank 100 cannot overflow and be sprayed out from the rotating shaft 300; after the upper valve is closed and the lower valve is opened, floating impurities can enter the cavity between the two valves to be stored, so that the floating impurities can be intermittently taken out through the cyclic operation, and the operation of taking out the floating impurities has small influence on the sewage purification device.

2. In this embodiment, the cleaning member 800 is added, the cleaning member 800 is located in the upper portion of the tank 100 and abuts against the screen plate 200, and the rotating shaft 300 is connected with the cleaning member 800 and is used for driving the cleaning member to rotate along the plane where the screen plate 200 is located, so as to further clean the sieve holes of the screen plate 200.

3. The scraper 500 of the embodiment is a flat plate, and along the rotation direction of the scraper, one end of the scraper 500 fixed to the rotating shaft is located downstream of the other end.

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

1. The waste water purifying treatment device comprises a tank and a sieve plate, wherein the sieve plate is horizontally arranged in the tank and divides the interior of the tank into an upper part and a lower part, the lower part of the tank is provided with a raw material inlet and a slag discharge port, and the upper part of the tank is provided with a purified water outlet; the other end of the rotating shaft extends upwards at least partially and extends out of the tank, and a shutoff mechanism for opening and closing the internal channel of the rotating shaft is arranged on the rotating shaft.

2. The wastewater purification treatment apparatus of claim 1, wherein the shut-off mechanism is a valve.

3. The wastewater purification treatment apparatus of claim 1, wherein the shut-off mechanism comprises two valves in series and spaced apart.

4. The wastewater purification treatment apparatus of claim 1, wherein the scraper is slidably connected to the shaft along an axial keyway of the shaft; the wastewater purification treatment device further comprises an elastic element for pushing the scraping plate to abut against the sieve plate.

5. The apparatus according to claim 1, wherein the scraper is arc-shaped, and one end of the scraper fixed to the shaft is located behind the other end in the direction of rotation of the scraper.

6. The apparatus according to claim 1, wherein the scraper is a flat plate, and one end of the scraper fixed to the shaft is located behind the other end in the direction of rotation of the scraper.

7. The wastewater purification treatment apparatus of claim 1, further comprising a cleaning member positioned in an upper portion of the tank and abutting the screen plate, the shaft being connected to the cleaning member for driving the cleaning member to rotate along a plane in which the screen plate is positioned.