CN117205624A

CN117205624A - Sand-water separation device

Info

Publication number: CN117205624A
Application number: CN202311393795.2A
Authority: CN
Inventors: 曾凯; 吴胜之; 肖俊; 周佳琳; 胡昌顺; 熊飞翔; 陈旺平; 李恒涛; 崔宇航; 黄志辉
Original assignee: Xinyu Jindalai Environmental Protection Co ltd; Jiangxi Jdl Environmental Protection Co ltd
Current assignee: Xinyu Jindalai Environmental Protection Co ltd; Jiangxi Jdl Environmental Protection Co ltd
Priority date: 2023-10-25
Filing date: 2023-10-25
Publication date: 2023-12-12

Abstract

The invention provides a sand-water separation device, which comprises a shell, wherein a water outlet pipe and a plurality of water inlet pipes are sequentially arranged on the outer side wall of the shell from top to bottom, a baffle plate and a containing bucket are sequentially connected on the inner side wall of the shell from top to bottom, the baffle plate is arranged around the inner side wall of the shell, an overflow port is formed in the baffle plate, the containing bucket is used for containing impurities which are separated in sewage to be treated and sink along with gravity, one end of the containing bucket, which faces the baffle plate, is connected with a bracket group, the bracket group is positioned between the baffle plate and the containing bucket, the bracket group is sequentially connected with a plurality of flow guide parts from top to bottom, the side wall of each flow guide part is inclined, the bottom of each flow guide part is provided with a first opening, and the top of each flow guide part is provided with a second opening. Through setting up a plurality of water conservancy diversion portion that the lateral wall is the slope form, carry multistage sand setting to sewage, have good sand setting effect and sand-water separation efficiency, through setting up the baffle, prevent that the sewage of waiting to handle from appearing the short flow condition and carrying the mud sand and directly flowing to the outlet pipe.

Description

Sand-water separation device

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a sand-water separation device.

Background

In the sewage treatment process of a sewage treatment plant, the separation of inorganic silt in water is a crucial step. Inorganic silt carried in sewage is an important factor influencing the final treatment effect, if sand and water cannot be effectively separated at the front end of the sewage treatment system, the subsequent treatment steps are negatively affected, and the effective volume of the reaction tank can be reduced due to accumulation of a large amount of silt.

In the pretreatment link of sewage treatment, a sand setting tank is usually adopted, and comprises a horizontal flow sand setting tank, an aeration sand setting tank and a rotational flow sand setting tank.

The conventional sand setting process adopts a primary sand setting device, the sand setting effect is limited, and the problems that the aeration sand setting tank with relatively high efficiency in three sand setting tanks is easy to cause the blockage of an aeration pipe and the like in operation lead to the reduction of the sand setting efficiency. The sand-water separation effect is reduced, so that the treatment effect of the subsequent biochemical reaction tank is reduced, and after a sewage plant runs for a long time, the sewage plant needs to manually enter the biochemical reaction tank to carry out cleaning operation, so that the sewage treatment device has a large potential safety hazard.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a sand-water separation device which aims at solving the problem of lower sand-water separation efficiency in the sewage treatment process in the prior art.

In order to achieve the above object, the present invention is achieved by the following technical scheme:

the utility model provides a sand-water separator, includes the casing, the lateral wall top-down of casing sets gradually outlet pipe and a plurality of inlet tube, top-down connects gradually the baffle on the inside wall of casing and holds the fill, the baffle encircles the inside wall setting of casing, set up the gap on the baffle, hold and fight and be arranged in holding the impurity of being separated the back along with gravity sinking in the sewage of waiting to handle, hold the fill orientation the one end linking bridge group of baffle, the support group is located the baffle with hold between the fill, the support group top-down connects gradually a plurality of water conservancy diversion portion, the lateral wall of water conservancy diversion portion is the slope form, first opening is seted up to the bottom of water conservancy diversion portion, the second opening is seted up at the top of water conservancy diversion portion.

Compared with the prior art, the invention has the beneficial effects that: the sewage to be treated entering the sand-water separation device is guided by arranging the plurality of guide parts with inclined side walls, and is matched with the shell to form rotational flow, impurities in the sewage to be treated are precipitated under the action of gravity when contacting with the inclined surfaces of the guide parts according to the shallow precipitation principle, and are deposited to the accommodating hopper at the bottom, the sand-water separation device can perform multistage sand setting on the sewage, has good sand setting effect and sand-water separation efficiency, and does not need to be provided with electric equipment with a stirring function, so that the energy consumption is further saved; by arranging the baffle, the sewage to be treated is prevented from short-flow condition and carrying impurities such as muddy sand and the like to directly flow to the water outlet pipe.

Further, the cross section of casing is circular, the inlet tube along the tangential of casing with the casing is connected, inlet tube with the outlet pipe all with the inside intercommunication of casing.

Still further, hold the fill and include plummer and bucket body, the lateral wall of bucket body encircles the inside wall setting of casing, the plummer encircles the inside wall setting of bucket body, the plummer is located the bucket body is close to the one end of baffle.

Further, one end of the bucket body, which is far away from the baffle plate, is communicated with a discharge pipe, and one end of the discharge pipe penetrates through the shell and is arranged outside the shell, so that impurities in the accommodating bucket are discharged to the outside of the sand-water separation device.

Still further, the plummer is close to the one side of baffle is connected a plurality of connecting block, the connecting block is used for fixing the support group, the support group includes a plurality of support, every the support all connects a plurality of water conservancy diversion portion.

Furthermore, one end of the flow guiding part, which is far away from the first opening, is provided with a plurality of connecting parts, and the connecting parts are connected with the bracket.

Further, the cross-sectional areas of the diversion parts gradually decrease from top to bottom.

Still further, the cross-sectional area of the baffle gradually increases from top to bottom.

Drawings

FIG. 1 is a schematic diagram of a sand-water separator according to an embodiment of the present invention;

FIG. 2 is a schematic top view of a flow guiding portion of a sand-water separator according to an embodiment of the present invention;

FIG. 3 is a schematic top view of a housing bucket of the sand-water separator according to an embodiment of the present invention;

FIG. 4 is a schematic view of a partially disassembled structure of a sand-water separator according to an embodiment of the present invention;

description of main reference numerals:

shell body	100	Water inlet pipe	110
				Water outlet pipe	120	Baffle plate	200
Flow guiding part	310	A first opening	311
				Connecting part	312	Support frame	400
Holding bucket	500	Bucket body	510
				Bearing table	520	Connecting block	530
Discharge pipe	600

The invention will be further described in the following detailed description in conjunction with the above-described figures.

Detailed Description

In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Several embodiments of the invention are presented in the figures. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, 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 invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, the sand-water separation device in the embodiment of the invention includes a housing 100, a water outlet pipe 120 and a plurality of water inlet pipes 110 are sequentially disposed on a side wall of the housing 100 from top to bottom, the cross section of the housing 100 is circular, the water inlet pipes 110 are connected with the housing 100 along a tangential direction of the housing 100, the water inlet pipes 110 and the water outlet pipes 120 are both communicated with an interior of the housing 100, a baffle 200 and a holding bucket 500 are sequentially connected on the inner side wall of the housing 100 from top to bottom, the baffle 200 is disposed around the inner side wall of the housing 100, an overflow port is formed on the baffle 200, a cross section area of the baffle 200 gradually increases from top to bottom, and the holding bucket 500 is used for holding sand separated from sewage to be treated. Preferably, the baffle 200, the accommodating bucket 500, and the inner side wall of the housing 100 enclose to form a separation area, the baffle 200 and the inner side wall of one end of the housing 100, which is far away from the accommodating bucket 500, enclose to form a water overflow area, the separation area is communicated with the water overflow area through the water overflow opening, so that sewage enters the water overflow area through the water overflow opening after being subjected to sand-water separation in the separation area, and is discharged through the water outlet pipe 120, the baffle 200 is inclined in a side wall shape, and has a narrow upper part and a wide lower part, the position where the baffle 200 is connected with the housing 100 is located below the water outlet pipe 120, a plurality of water inlet pipes 110 are parallel to each other, and a lifting pump can be used to lift the sewage or enable the sewage to flow from the water storage device, and the sewage in the water storage device enters the sand-water separation device along a tangential direction through a self-flowing mode. It will be appreciated that the sewage to be treated is continuously injected into the sand-water separator, and is separated by sand-water in the separation area, and as the water level rises, the separated sewage can only enter the overflow area through the overflow port and then be discharged through the water outlet pipe 120, and the inclined baffle 200 can prevent the sewage from directly flowing upwards into the water outlet pipe 120 without passing through the separation area, and prevent the muddy sand from being discharged with water without precipitation.

The holding bucket 500 is towards one end of baffle 200 connects the support group, the support group is located baffle 200 with hold between the bucket 500, the support group top-down connects gradually a plurality of guiding portion 310, further, hold bucket 500 and include plummer 520 and bucket body 510, the lateral wall of bucket body 510 encircles the inside wall setting of casing 100, plummer 520 encircles the inside wall setting of bucket body 510, plummer 520 is located the bucket body 510 is close to one end of baffle 200, plummer 520 is close to one side of baffle 200 connects a plurality of connecting block 530, connecting block 530 is used for fixing the support group, the support group includes a plurality of support 400, every support 400 all connects a plurality of guiding portion 310, the lateral wall of guiding portion 310 is the slope form, the cross-sectional area of guiding portion 310 all reduces gradually from top to bottom, first opening 311 is seted up to the bottom of guiding portion 310, the second opening is seted up at the top of guiding portion 310, guiding portion 310 is kept away from one end of baffle 200 connects a plurality of connecting block 530, a plurality of support 400 are connected.

Preferably, the bracket set 400 surrounds the diversion portion 310, the connection portion 312 is connected with the bracket 400 by bolts, the distance between the diversion portion 310 and the inner wall of the housing 100 can be specifically adjusted according to engineering application, the position of the water inlet pipe 110 corresponds to the position of the diversion portion 310, and the position of each water inlet pipe 110 is lower than the top edge of the corresponding diversion portion 310. As will be appreciated, the sewage to be treated enters the separation area through the water inlet pipe tangentially arranged along the housing 100, and as the cross-sectional shape of the housing 100 is circular, the sewage to be treated flows along the inner side wall of the housing 100 in a rotating manner, is further swirled under the guiding action of the guiding part 310, and the water level gradually rises, when the impurities in the sewage to be treated hit the guiding part 310, the impurities are deposited downwards into the holding bucket 500 along the inclined plate under the action of gravity, the separated sewage is formed in the separation area, finally the separated sewage overflows to contact the baffle 200, further deposits silt, enters the overflow area through the overflow port, and is discharged through the water outlet pipe 120. Specifically, the separation of impurities utilizes the cyclone flow of sewage combined with shallow precipitation theory, wherein the larger the particle size is, the faster the precipitation speed of the particles is, the smaller the particle size is, the more difficult the precipitation is, the impurities can be efficiently separated by adopting a multi-stage precipitation mode, and the muddy sand with the particle size smaller than 60 microns can be removed. In some embodiments, three diversion portions 310 are provided, and the water inflow amount is 16m ³ Under the condition of/h, the total sand removal rate can reach more than 95%, the sand content of water in the subsequent process of the sewage treatment system is greatly reduced, and good conditions are created for biochemical treatment.

One end of the bucket body 510 far away from the baffle 200 is communicated with the discharge pipe 600, and one end of the discharge pipe 600 penetrates through the shell 100 and is arranged outside the shell 100, so that sand in the accommodating bucket 500 is discharged to the outside of the sand-water separation device. Preferably, an acute angle is formed between an outer sidewall of the bucket body 510 and an inner sidewall of the housing 100, and the discharge pipe 600 is connected to an external system for treating muddy sand. It will be appreciated that the acute angle formed between the outer sidewall of the bucket body 510 and the inner sidewall of the housing 100 facilitates sand settling to the bottom of the receiving bucket 500.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 invention. 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 foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. The utility model provides a sand-water separation device, its characterized in that, includes the casing, the lateral wall top-down of casing sets gradually outlet pipe and a plurality of inlet tube, top-down connects gradually the baffle on the inside wall of casing and holds the fill, the baffle encircles the inside wall setting of casing, set up the gap on the baffle, hold and fight and be arranged in holding the impurity of being separated the back sinking along with gravity in the sewage of waiting to handle, hold the fill orientation one end linking bridge group of baffle, the support group is located the baffle with hold between the fill, a plurality of water conservancy diversion portion is connected gradually to support group top-down, the lateral wall of water conservancy diversion portion is the slope form, first opening is seted up to the bottom of water conservancy diversion portion, the second opening is seted up at the top of water conservancy diversion portion.

2. A sand-water separator as claimed in claim 1, wherein the cross section of the housing is circular, the water inlet pipe is connected to the housing in a tangential direction of the housing, and the water inlet pipe and the water outlet pipe are both communicated with the interior of the housing.

3. The sand-water separator of claim 1 wherein the containment vessel includes a carrier and a vessel, the vessel side wall surrounding the housing side wall, the carrier surrounding the vessel side wall, the carrier positioned at an end of the vessel adjacent the baffle.

4. A sand-water separator as claimed in claim 3, wherein an end of the hopper body remote from the baffle communicates with a drain pipe, and an end of the drain pipe extends through the housing and is disposed outside the housing to drain impurities from the interior of the receiving hopper to the exterior of the sand-water separator.

5. A sand-water separator according to claim 3, wherein one surface of the bearing table, which is close to the baffle plate, is connected with a plurality of connecting blocks, the connecting blocks are used for fixing the bracket set, the bracket set comprises a plurality of brackets, and each bracket is connected with a plurality of guide parts.

6. The sand-water separator of claim 5, wherein the end of the flow guiding portion remote from the first opening is provided with a plurality of connecting portions, and the connecting portions are connected with the bracket.

7. A sand-water separator as claimed in claim 1, wherein the cross-sectional areas of the flow guide portions each decrease gradually from top to bottom.

8. A sand-water separation device as claimed in claim 1 wherein the cross-sectional area of the baffle increases progressively from top to bottom.