CN210656407U

CN210656407U - Sewage treatment device

Info

Publication number: CN210656407U
Application number: CN201921121687.9U
Authority: CN
Inventors: 解莹; 彭文启; 渠晓东; 张敏; 陈松; 张海萍; 余杨; 陈军
Original assignee: China Institute of Water Resources and Hydropower Research; China Construction Water Affairs Environmental Protection Co Ltd
Current assignee: China Institute of Water Resources and Hydropower Research; China Construction Water Affairs Environmental Protection Co Ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-06-02
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a sewage treatment device, it includes: the top of the first shell is provided with a sewage inlet, the bottom of the first shell is provided with a clear water outlet, and a first filter screen and a second filter screen are sequentially horizontally connected in the first shell from top to bottom; the water distributor comprises a second shell, a water guide pipe and a water stop plug; the cleaning mechanism comprises a plurality of brushes, a plurality of elastic components, a second rod body and a second rope body. The utility model utilizes the buoyancy of water to drive the buoyancy ball to move up and down, and further drive the hairbrush to move back and forth relative to the first filter screen, so that the first filter screen has the self-cleaning function, and the first filter screen is prevented from being blocked, and the filtering efficiency is prevented from being influenced; the utility model discloses simple structure, and need not additionally to provide the power supply that the drive brush removed, greatly reduced filters the cost.

Description

Sewage treatment device

Technical Field

The utility model relates to a water treatment facilities technical field. More specifically, the utility model relates to a sewage treatment device.

Background

Along with the rapid development of social economy, the sewage volume of life and industry is increasing day by day, especially people's domestic sewage, not only the volume is big but also in time quick discharge, in order to prevent that domestic sewage can be discharged to the pipeline in ground fast, usually need carry out primary filtration with domestic sewage, it is mainly in order to get rid of residues such as bulky leaf, vegetable leaf and the great stone in the sewage, with the pressure that alleviates follow-up sewage treatment. When carrying out the primary filtration, above residue is very easy with the mesh jam of filter screen, needs the periodic replacement filter screen, washs the filter screen, wastes time and energy, has increased the filtration cost, and is changing filter screen formula sewage treatment and has to suspend, seriously influences domestic sewage filterable efficiency.

Therefore, it is necessary to design a sewage treatment device with a self-cleaning filter net to achieve the purpose of improving the filtering efficiency.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.

The utility model also aims to provide a sewage treatment device, which utilizes the buoyancy of water to drive the buoyancy ball to move up and down and further drive the hairbrush to move back and forth relative to the first filter screen, thereby leading the first filter screen to have the self-cleaning function, avoiding the blockage of the first filter screen and influencing the filtering efficiency; the utility model discloses simple structure, and need not additionally to provide the power supply that the drive brush removed, greatly reduced filters the cost.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a sewage treatment apparatus including:

the sewage treatment device comprises a first shell, a second shell and a water tank, wherein the first shell is of a hollow cubic structure, the top of the first shell is provided with a sewage inlet, and the bottom of the first shell is provided with a clean water outlet; a first filter screen and a second filter screen are horizontally connected in the first shell from top to bottom in sequence, and the first filter screen and the second filter screen divide the interior of the first shell into an upper space, a middle space and a lower space which are not communicated with each other;

a water distributor located in the upper space, the water distributor including:

the second shell is of a hollow cubic structure, the top of the second shell is hermetically connected with the inner wall of the top surface of the first shell, the bottom of the second shell is not contacted with the first filter screen, and a drain hole is formed in the bottom of the second shell; the sewage inlet is communicated with the inside of the second shell; a limiting mark line is arranged on the inner wall of the upper part of the second shell;

the water guide pipe is vertically positioned at the bottom of the second shell, and the upper end of the water guide pipe is communicated with the drain hole;

the water stop plug is positioned inside the second shell and can seal and cover the drain hole, the top of the water stop plug is connected with a buoyancy ball through a first rope body, the bottom of the water stop plug is connected with an inverted T-shaped limiting rod, the end part of the vertical part of the limiting rod is connected with the bottom of the water stop plug, the other end of the vertical part of the limiting rod vertically penetrates through the drain hole downwards and is connected with the horizontal part, the length of the horizontal part of the limiting rod is smaller than the diameter of the water guide pipe and is larger than the diameter of the drain hole, and the water guide pipe does not limit the movement of the limiting rod along the vertical direction; a cleaning mechanism, comprising:

the hairbrush is positioned between the horizontal part of the limiting rod and the first filter screen, the hairbrush comprises a horizontally arranged first rod body and a plurality of bristles uniformly distributed at the bottom of the first rod body at intervals, the first rod body extends along the length direction of the first shell, two ends of the first rod body are connected with the inner wall of the first shell in a sliding mode, and the bottom of any bristle is in contact with the upper surface of the first filter screen; one side of the first rod body is connected with the inner wall of one side surface of the first shell body which is arranged at intervals along the width direction of the first shell body through a plurality of springs, the plurality of springs are uniformly arranged at intervals along the length direction of the first rod body, and any one spring is horizontally arranged and is vertical to the first rod body;

one end of the second rod body is hinged with the side part of the buoyancy ball, and the other end of the second rod body obliquely extends upwards towards the direction close to the other side surface of the first shell arranged at intervals along the width direction of the first shell and penetrates out of the side surface of the second shell; the middle part of the second rod body is hinged with the side surface of the second shell, and the second shell does not limit the rotation of the second rod body around a hinged point;

the second rope body, its one end with the other end of the second body of rod is connected, and other end downwardly extending twines through the fixed pulley, continues to extend towards the direction that is close to one of them side of its width direction interval setting of edge of first casing, and with the middle part of the first body of rod is connected, the fixed pulley is located the top of the first body of rod, the pivot of fixed pulley with the first body of rod is parallel, just the both ends of the pivot of fixed pulley with the inner wall of first casing is connected.

Preferably, the sewage treatment device further comprises a stirring mechanism, the stirring mechanism comprises a stirring rod vertically located in the lower space and a motor fixedly arranged on the outer wall of the bottom surface of the first shell, the lower end of the stirring rod penetrates out of the bottom surface of the first shell and is connected with an output shaft of the motor, the first shell does not limit the rotation of the stirring rod around the axis of the first shell, a plurality of stirring blades are arranged on the stirring rod at intervals, and an activated carbon bag is arranged in front of the surface of any stirring blade.

Preferably, in the sewage treatment device, the aperture of the first filter screen is larger than that of the second filter screen.

Preferably, in the sewage treatment apparatus, the first filter screen includes a first portion and two second portions, the first portion and the two second portions are horizontally disposed, the two second portions are respectively located at two sides of the first portion, the two sides are spaced apart in the width direction of the first housing, and any one of the two second portions is obliquely disposed downward from the first portion to the inner wall of the first housing; all sides of the first part and the two second parts are connected with the inner wall of the first shell in a sealing way.

Preferably, in the sewage treatment apparatus, two side surfaces of the first housing, which are spaced apart in the width direction thereof, are respectively provided with a sludge discharge port, the bottom of any one of the sludge discharge ports is positioned flush with the bottom of the corresponding second portion, and an openable/closable cover is provided on the outer side of the sludge discharge port.

Preferably, the water stop plug of the sewage treatment device is of a disc structure horizontally arranged and is made of rubber.

Preferably, in the sewage treatment apparatus, a ratio of the diameter of the water guide pipe, the diameter of the water stop plug, the diameter of the drain hole to the length of the horizontal portion of the stopper rod is 1:1.1:0.5: 0.8.

The utility model discloses at least, include following beneficial effect:

the utility model utilizes the change of water buoyancy to drive the buoyancy ball to move up and down, and further drive the hairbrush to move back and forth relative to the first filter screen, thereby leading the first filter screen to have the self-cleaning function, avoiding the first filter screen from being blocked and influencing the filtering efficiency; the utility model discloses simple structure, and need not additionally to provide the power supply that the drive brush removed, greatly reduced filters the cost.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic structural view of a sewage treatment apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a sewage treatment apparatus according to another embodiment of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials are commercially available unless otherwise specified.

In the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in figures 1-2, the utility model provides a sewage treatment device, it includes:

the device comprises a first shell 1, a second shell and a third shell, wherein the first shell 1 is of a hollow cubic structure, the top of the first shell 1 is provided with a sewage inlet 11, and the bottom of the first shell is provided with a clear water outlet 12; a first filter screen and a second filter screen 3 are horizontally connected in the first shell 1 from top to bottom in sequence, and the first filter screen and the second filter screen 3 divide the interior of the first shell 1 into an upper space, a middle space and a lower space which are not communicated with each other;

the second casing 41 is of a hollow cubic structure, the top of the second casing is hermetically connected with the inner wall of the top surface of the first casing 1, the bottom of the second casing is not in contact with the first filter screen, and a drain hole 411 is formed in the bottom of the second casing 41; the sewage inlet 11 communicates with the inside of the second housing 41; a limiting mark line 412 is arranged on the inner wall of the upper part of the second shell 41;

a water guide pipe 42 vertically positioned at the bottom of the second housing 41, an upper end of the water guide pipe 42 communicating with the water discharge hole 411;

a water stop plug 43 located inside the second housing 41 and capable of sealing and covering the drain hole 411, wherein the top of the water stop plug 43 is connected with a buoyancy ball 431 through a first rope 432, the bottom of the water stop plug is connected with an inverted T-shaped stop lever 44, the end of the vertical part of the stop lever 44 is connected with the bottom of the water stop plug 43, the other end of the stop lever passes through the drain hole 411 vertically and downwards and is connected with the horizontal part, the length of the horizontal part of the stop lever 44 is smaller than the diameter of the water guide pipe 42 and larger than the diameter of the drain hole 411, and the water guide pipe 42 does not limit the movement of the stop lever 44 along the vertical direction;

a cleaning mechanism, comprising:

the brush is positioned between the horizontal part of the limiting rod 44 and the first filter screen, when the horizontal part of the limiting rod 44 moves downwards to the limit position, the horizontal part is still not contacted with the brush, so that the interference of the horizontal part of the limiting rod 44 on the back-and-forth movement of the brush is avoided, the brush comprises a first rod body 51 which is horizontally arranged and a plurality of brush bristles 511 which are uniformly distributed at the bottom of the first rod body 51 at intervals, the first rod body 51 extends along the length direction of the first shell 1, two ends of the first rod body 51 are in sliding connection with the inner wall of the first shell 1, so that the first rod body 51 can move along the horizontal direction relative to the first shell 1, and the bottom of any brush bristle 511 is contacted with the upper surface of the first filter screen; one side of the first rod 51 is connected with the inner wall of one side of the first shell 1 at intervals along the width direction thereof through a plurality of springs 52, the plurality of springs 52 are uniformly arranged at intervals along the length direction of the first rod 51, and any one of the springs 52 is horizontally arranged and is vertical to the first rod 51;

a second rod 53 having one end hinged to a side of the buoyant ball 431 and the other end extending upward and inclined toward the other side of the first casing 1 spaced apart in the width direction thereof and penetrating out of the side of the second casing 41; the middle part of the second rod 53 is hinged to the side surface of the second shell 41, and the second shell 41 does not limit the rotation of the second rod 53 around the hinged point; in order to reduce the amount of sewage flowing out of the gap between the second rod 53 and the second housing 41, an elastic foam layer may be coated on the portion of the side surface of the second rod 53 corresponding to the contact portion of the side surface of the second housing 41, so as to reduce the amount of sewage leaking out of the through hole of the second rod 53;

a second rope 54, one end of which is connected to the other end of the second rod 53, and the other end of which extends downward and winds around a fixed pulley 55, and continues to extend toward a direction close to one of the side faces of the first casing 1 along the width direction thereof at intervals, and is connected to the middle of the first rod 51, the fixed pulley 55 is located above the first rod 51, the rotating shaft of the fixed pulley 55 is parallel to the first rod 51, and the two ends of the rotating shaft of the fixed pulley 55 are connected to the inner wall of the first casing 1.

In the above technical solution, the starting state of the present invention is that, the water stop plug 43 contacts with the bottom surface of the second housing 41, the buoyancy ball 431 is located on the upper surface of the water stop plug 43, the first rope 432 is wound between the buoyancy ball 431 and the water stop plug 43, the second rod 53 is inclined and extends downwards from left to right, the plurality of springs 52 are all stretched, and any brush 511 contacts with the upper surface of the first part 21 of the first filter screen; the limit rod 44 is located at the lowest limit position, and the horizontal part of the limit rod 44 penetrates through the bottom of the water conduit 42 and is located in the first housing 1;

when sewage needs to be primarily filtered, domestic sewage to be filtered is guided into the second shell 41 from the sewage inlet 11, the buoyancy ball 431 moves vertically upwards under the action of water buoyancy along with the increase of the sewage inlet amount, the first rope body 432 is straightened upwards, the water stop plug 43 is pulled vertically upwards, and therefore the water drainage hole 411 at the bottom of the second shell 41 is opened, the sewage enters the first shell 1 through the water drainage hole 411, automatically flows downwards and is filtered through the first filter screen and the second filter screen 3; the limiting rod 44 is driven by the water stop plug 43 to move upwards vertically;

the buoyancy ball 431 vertically moves upwards and simultaneously drives one end of the second rod body 53 to move upwards, so that the second rod body 53 rotates around a hinge point to drive the other end of the second rod body 53 to vertically move downwards, the second rope body 54 moves towards one side surface (arranged at intervals along the width direction of the second rope body, such as the right side shown in fig. 1-2) close to the first shell 1 under the action of the self elasticity of the springs 52, and then the bristles 511 are driven to move rightwards relative to the first filter screen;

the primary filtration of the utility model is to intermittently and periodically inject the sewage to be filtered into the second shell 41, and the water flow rate of each water injection is larger than the water discharge rate from the water discharge hole 411; the amount of the sewage injected into the second housing 41 from the sewage inlet 11 is controlled by the limit mark line 412, and partial sewage is introduced into the second housing 41, so that the water level does not exceed the limit mark line 412, after the water stop plug 43 moves downwards to block the drain hole 411, water is injected into the second housing 41 through the sewage inlet 11 again, most of the sewage injected each time can flow into the first housing 1 through the drain hole 411, and a small amount of water is present at the bottom of the second housing 41 and cannot be completely drained away, in practical application, after several water injection-drainage cycles, the buoyancy ball 431, the first rope body 432 and the water stop plug 43 are manually lifted upwards, and the sewage in the second housing 41 is completely drained into the first housing 1; the length of the first rope 432 can be designed to be as short as possible, so as to reduce the amount of sewage staying in the second housing 41;

when the amount of added sewage is the maximum amount of the horizontal plane flush with the limit marking line 412, the buoyancy ball 431 moves up to the maximum limit position, any spring 52 is in a natural extension state, the first rod body 51 moves towards the right side to the limit position, the second rod body 53 rotates to a state of extending upwards from left to right in an inclined manner, and the horizontal part of the limit rod 44 moves to the maximum limit position contacting with the outer wall of the bottom surface of the second shell 41 and is blocked by the water drainage hole 411; the limiting rod 44 is used for ensuring that the water stop plug 43 and the buoyancy ball 431 can return to the drain hole 411 in the drainage process of the second shell 41, and the water stop plug 43 can accurately block the drain hole 411;

after each water injection, the buoyancy ball 431 moves upwards to the horizontal plane, and in the process that sewage flows into the first shell 1 through the water discharge hole 411, the buoyancy ball 431 and the water stop plug 43 move downwards, the downward movement of the buoyancy ball 431 drives the second rod body 53 to rotate relative to the second shell 41, so that one end of the second rod body 53 moves downwards along with the buoyancy ball 431, the other end of the second rod body moves upwards, one end of the first rope body 432 is driven to move upwards, the brush is driven to move leftwards (illustrated by the attached drawings 1-2), and the brush bristles 511 horizontally move relative to the first filter screen, so that residues (leaves, vegetable leaves or other residues) on the upper surface of the first filter screen are scraped to the left side of the first shell 1, and the residues are prevented from blocking the first filter screen and affecting the filtering efficiency; in the same principle, the brush moves rightwards in the process of injecting water into the second shell 41 every time, and moves leftwards in the process of discharging water out of the second shell 41 every time, namely, the water injection and water discharge processes can realize self-cleaning of the first filter screen, so that the sewage filtering effect and the sewage filtering speed are ensured.

In another technical solution, the sewage treatment apparatus, the stirring mechanism, includes a stirring rod 61 vertically located in the lower space and a motor 62 fixedly disposed on an outer wall of a bottom surface of the first housing 1, a lower end of the stirring rod 61 penetrates through the bottom surface of the first housing 1 and is connected to an output shaft of the motor 62, the first housing 1 does not limit rotation of the stirring rod 61 around its own axis, the stirring rod 61 is provided with a plurality of stirring blades 611 at intervals, and an activated carbon pack is provided in front of a surface of any one of the stirring blades 611. The bottom sets up rabbling mechanism for sewage downwardly moving's speed, and then reach the purpose that improves the filtration efficiency of sewage. Meanwhile, the activated carbon bag is embedded in the stirring blade 611, so that peculiar smell in water can be adsorbed, and the primary filtering effect of sewage is improved.

In another technical scheme, in the sewage treatment device, the aperture of the first filter screen is larger than that of the second filter screen 3. The residue with larger volume is blocked on the first filter screen, and the residue retained on the first filter screen is scraped through the cleaning mechanism, so that the primary filtering efficiency of the sewage is ensured.

In another technical solution, in the sewage treatment apparatus, the first filter screen includes a first portion 21 and two second portions 22, which are horizontally disposed, the two second portions 22 are respectively located at two sides of the first portion 21, which are spaced apart in the width direction of the first housing 1, and any one of the second portions 22 is disposed obliquely downward from the first portion 21 to the inner wall of the first housing 1; all the sides of the first portion 21 and the two second portions 22 are sealingly connected to the inner wall of said first housing 1.

In above-mentioned technical scheme, set up the both sides of first filter screen into the decurrent structure of slope, be convenient for pile up the residue that the brush made a round trip to scratch, regularly clear up the residue of piling up on two second parts 22, guarantee the filtration efficiency of first filter screen.

In another technical scheme, in the sewage treatment device, two side surfaces of the first shell 1, which are arranged at intervals along the width direction, are respectively provided with a sludge discharge port 13, the bottom of any sludge discharge port 13 is positioned at the same level as the bottom of the corresponding second part 22, and the outer side of the sludge discharge port 13 is provided with an openable/closable cover body. The residue that is piled up in two second portions 22 department can be discharged regularly through opening the lid, avoids the residue to pile up too much and influences the efficiency of the primary filter of sewage.

In another technical solution, the water stop plug 43 of the sewage treatment device is a horizontally arranged disc structure and is made of rubber. In the preferred technical scheme, the circle center of the water stop plug 43 and the circle center of the drain hole 411 are both located on the axis of the water guide pipe 42, so that the drain hole 411 can be accurately controlled to be opened and closed by moving the water stop plug 43 up and down. The rubber water stop 43 has a certain buoyancy to reduce the amount of sewage retained at the bottom of the second housing 41 in each water injection-drainage cycle as much as possible.

In another technical solution, in the sewage treatment apparatus, a ratio of the diameter of the water guide pipe 42, the diameter of the water stop plug 43, the diameter of the drain hole 411, and the length of the horizontal portion of the stopper rod 44 is 1:1.1:0.5: 0.8. The water stop plug 43 can be ensured to block the drain hole 411, and meanwhile, the horizontal part of the limiting rod 44 can limit the upward movement of the water stop plug 43 to the limiting position.

The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims

1. Sewage treatment plant, its characterized in that, it includes:

the water stop plug is positioned inside the second shell and can seal and cover the drain hole, the top of the water stop plug is connected with a buoyancy ball through a first rope body, the bottom of the water stop plug is connected with an inverted T-shaped limiting rod, one end of the vertical part of the limiting rod is connected with the bottom of the water stop plug, the other end of the vertical part of the limiting rod vertically penetrates through the drain hole downwards and is connected with the horizontal part, the length of the horizontal part of the limiting rod is smaller than the diameter of the water guide pipe and is larger than the diameter of the drain hole, and the water guide pipe does not limit the movement of the limiting rod along the vertical direction;

a cleaning mechanism, comprising:

2. The sewage treatment device according to claim 1, further comprising a stirring mechanism including a stirring rod vertically positioned in the lower space and a motor fixedly arranged on an outer wall of the bottom surface of the first housing, wherein a lower end of the stirring rod penetrates through the bottom surface of the first housing and is connected with an output shaft of the motor, the first housing does not limit the rotation of the stirring rod around the axis of the first housing, a plurality of stirring blades are arranged on the stirring rod at intervals, and an activated carbon bag is arranged in front of the surface of any one of the stirring blades.

3. The wastewater treatment apparatus according to claim 2, wherein the first filter has a larger pore size than the second filter.

4. The sewage treatment apparatus according to claim 3, wherein the first filter includes a first portion and two second portions, the first portion and the two second portions being disposed horizontally, the two second portions being disposed on two sides of the first portion, the two sides being spaced apart in a width direction of the first housing, and either one of the two second portions being disposed obliquely downward in a direction from the first portion to an inner wall of the first housing; all sides of the first part and the two second parts are connected with the inner wall of the first shell in a sealing way.

5. The sewage treatment apparatus according to claim 4, wherein the first housing has sludge discharge ports on both sides thereof spaced apart in the width direction thereof, a bottom of any one of the sludge discharge ports being flush with a bottom of the corresponding second portion, and a cover body which is openable/closable is provided outside the sludge discharge port.

6. The sewage treatment device according to claim 5, wherein the water stop plug is of a horizontally arranged disc structure and is made of rubber.

7. The sewage treatment device according to claim 6, wherein the ratio of the diameter of the water guide pipe, the diameter of the water stop plug, the diameter of the drain hole to the length of the horizontal portion of the stopper rod is 1:1.1:0.5: 0.8.