CN220758179U

CN220758179U - Curved surface hydraulic screen

Info

Publication number: CN220758179U
Application number: CN202322528298.0U
Authority: CN
Inventors: 罗其海
Original assignee: Zhejiang Lanhai Environmental Protection Co ltd
Current assignee: Zhejiang Lanhai Environmental Protection Co ltd
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-04-12
Anticipated expiration: 2033-09-18

Abstract

The utility model discloses a curved surface hydraulic screen, which comprises a screen frame, wherein a curved surface screen is arranged on the screen frame, a plurality of filtering holes are formed in the screen, the filtering holes are wedge-shaped holes, the pore diameters of the filtering holes gradually increase from the surface of the screen to the inner surface of the screen, a water distribution tank is arranged at the left upper end of the screen frame, the water distribution tank is positioned above the side of the curved surface screen, a collecting hopper is arranged at the right lower end of the screen frame, the collecting hopper is positioned below the side of the curved surface screen, a water collecting tank is arranged below the screen frame, and the water collecting tank is positioned right below the curved surface screen. The utility model has the advantages that the holes of the filtering holes on the surface of the screen are small and smooth, the holes of the filtering holes on the back surface are large, so that the water is smoothly discharged, the solid matters are not easy to block, the solid matters can be trapped on the surface of the screen, the filtered water flows out of the filtering holes of the screen, and the solid matters are pushed to the lower end of the screen plate to be discharged into the collecting hopper under the action of water power, so that the solid-liquid separation aim is achieved.

Description

Curved surface hydraulic screen

Technical Field

The utility model relates to the technical field of hydraulic sieves, in particular to a curved surface hydraulic sieve.

Background

The hydraulic screen (also called hydraulic screen) is a simple, high-efficiency and convenient-maintenance trash device for intercepting suspended matters in liquid by adopting meshed materials, and is mainly suitable for removing solid suspended impurities from sewage. Is commonly used for treating industrial wastewater such as printing and dyeing wastewater, poultry processing and the like, treating urban sewage and recycling useful solid impurities. Traditional mesh screen adopts inclined plate type structure, and rivers flow along the inclined plane from top to bottom, and flow velocity is fast, and the suspended solid content of sewage is high, and filtration area is less. Therefore, the efficiency of the solid-liquid separation of the mesh screen is limited, and the quality of the solid-liquid separation of the mesh screen is reduced. Therefore, it is necessary to invent a curved surface hydraulic screen.

Disclosure of Invention

The present utility model is directed to solving at least one of the problems of the prior art. Therefore, the utility model aims to provide a curved surface hydraulic screen.

In order to achieve the above purpose, the utility model provides a curved surface hydraulic screen, which comprises a screen frame, wherein a curved surface screen is arranged on the screen frame, a plurality of filtering holes are formed in the screen, the filtering holes are wedge-shaped holes, the aperture of each filtering hole gradually increases from the surface of the screen to the inner surface of the screen, a water distribution tank is arranged at the left upper end of the screen frame, the water distribution tank is positioned above the side of the curved surface screen, a collecting hopper is arranged at the right lower end of the screen frame, the collecting hopper is positioned below the side of the curved surface screen, a water collecting tank is arranged below the screen frame, and the water collecting tank is positioned right below the curved surface screen.

Preferably, a water inlet pipe is arranged in the water distribution tank, the water inlet pipe is positioned above the side of the curved screen, and a plurality of water outlet holes which are distributed at equal intervals are formed in the water inlet pipe.

Preferably, a water outlet pipe is arranged at the bottom of the water collecting tank and communicated with the water collecting tank.

Preferably, two sides of the frame are respectively provided with a guide plate, and the guide plates play a role in preventing splashing of sewage, so that the sewage can be smoothly filtered on the surface of the screen.

The utility model has the beneficial effects that:

1. the utility model has the advantages that the holes of the filtering holes on the surface of the screen are small and smooth, the holes of the filtering holes on the back surface are large, so that the water is smoothly discharged, the solid matters are not easy to block, the solid matters can be trapped on the surface of the screen, the filtered water flows out of the filtering holes of the screen, and the solid matters are pushed to the lower end of the screen plate to be discharged into the collecting hopper under the action of water power, so that the solid-liquid separation aim is achieved.

2. The utility model adopts the curved screen, increases the filtering area of the screen, improves the solid-liquid separation efficiency of the screen and improves the solid-liquid separation quality of the screen.

The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a side view of the present utility model;

figure 3 is a cross-sectional view of a screen of the present utility model.

In the figure: 1. the device comprises a screen frame, a screen, a filtering hole, a water distribution tank, a collecting hopper, a water collecting tank, a water inlet pipe, a water outlet hole, a guide plate and a water outlet pipe.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus consistent with some aspects of the present application as detailed in the accompanying claims.

The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. Unless defined otherwise, technical or scientific terms used herein should be understood as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terms "a" or "an" and the like as used in the description and the claims do not denote a limitation of quantity, but rather denote the presence of at least one. The term "plurality" includes two, corresponding to at least two. The word "comprising" or "comprises", and the like, means that elements or items appearing before "comprising" or "comprising" are encompassed by the element or item recited after "comprising" or "comprising" and equivalents thereof, and that other elements or items are not excluded. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

Referring to fig. 1-3, a curved hydraulic screen comprises a screen frame 1, wherein a curved screen 2 is arranged on the screen frame 1, the curved screen 2 is fixed on the screen frame 1 through a fastener, the curved screen 2 reduces the flow speed of a solid-liquid mixture during solid-liquid separation, and increases the filtering area of the solid-liquid mixture, so that the solid-liquid mixture can be better separated.

Further, a plurality of filtering holes 3 are formed in the screen 2, the filtering holes 3 are wedge-shaped holes, the aperture of the filtering holes 3 gradually increases from the surface of the screen 2 to the inner face of the screen 2, in short, the aperture of the wedge-shaped holes, which is positioned at the surface of the screen 2, is smaller than the aperture of the inner face of the screen 2, and the filtering holes 3 on the back face are large because the filtering holes 3 on the surface of the screen 2 are small and smooth, so that water is smoothly discharged and difficult to block, solid matters are trapped on the surface of the screen 2, and filtered water flows out of the filtering holes 3 of the screen 2.

As the preferable scheme in the embodiment, the screen 2 is made of stainless steel, and has the advantages of corrosion resistance, high strength and long service life.

As an alternative in this embodiment, the form of the curved screen 2 and the size of the filter holes 3 may be selected according to the type of sewage.

In the embodiment, the upper left end of the screen frame 1 is provided with a water distribution tank 4, the water distribution tank 4 is positioned above the side of the curved screen 2, and the water distribution tank 4 is used for distributing solid-liquid mixture; the right lower end of the screen frame 1 is provided with a collecting hopper 5, the collecting hopper 5 is positioned below the side of the curved screen 2, and the collecting hopper 5 is used for collecting solid matters separated by the screen 2; a water collecting tank 6 is arranged below the screen frame 1, the water collecting tank 6 is positioned right below the curved screen 2, and the water collecting tank 6 is used for collecting liquid separated by the screen 2.

Further, a water inlet pipe 7 is arranged in the water distribution tank 4, the water inlet pipe 7 is positioned above the side of the curved screen 2, a plurality of water outlet holes 8 which are distributed at equal intervals are arranged on the water inlet pipe 7, the solid-liquid mixture enters the curved screen 2 through the water outlet holes 8, and the equidistant water outlet holes 8 are designed to enable the solid-liquid mixture to flow on the curved screen 2 as uniformly as possible, so that the contact surface between the solid-liquid mixture and the curved screen 2 is increased; the bottom of the water collecting tank 6 is provided with a water outlet pipe which is communicated with the water collecting tank 6, and liquid in the water collecting tank 6 can be led out through the water outlet pipe.

In this embodiment, two sides of the screen frame 1 are respectively provided with a baffle 9, and the baffle 9 plays a role in preventing splashing of sewage, so that the sewage can be smoothly filtered on the surface of the screen 2.

In other possible embodiments, a door which can be opened or closed may be provided on any side wall of the collecting hopper 5, a sealing ring is provided on the inner side of the door, the door is sealed by the sealing ring when closed, liquid leakage is prevented, and when the collecting hopper 5 needs cleaning, the door can be opened, and then the solid matters in the collecting hopper 5 can be cleaned.

Working principle: the sewage to be treated is evenly distributed on the screen 2 through the water outlet holes 8 on the water inlet pipe 7 in the water distribution tank 4, and because the holes of the filtering holes 3 on the surface of the screen 2 are small and smooth and the holes of the filtering holes 3 on the back surface are large, the water is smoothly discharged, the solid substances are not easy to block, the solid substances are trapped on the surface of the screen 2, the filtered water flows into the water collection tank 6 from the filtering holes 3 of the screen 2, and meanwhile, under the action of water power and gravity, the solid substances are pushed to the collecting hopper 5 in the lower end of the screen 2, so that the purpose of solid-liquid separation is achieved, the suspended solids of the sewage can be effectively reduced by the arc-shaped water flow, and the treatment load of subsequent procedures is lightened.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a curved surface hydraulic screen, includes the screen frame, its characterized in that, be provided with curved surface screen cloth on the screen frame, be provided with a plurality of filtration holes on the screen cloth, the filtration hole is the wedge hole, and the aperture of filtration hole is from the surface of screen cloth towards the inner face of screen cloth increase gradually, and screen frame left side upper end is provided with the water distribution box, and the water distribution box is located curved surface screen cloth's side top, and screen frame right side lower extreme is provided with the collecting hopper, and the collecting hopper is located curved surface screen cloth's side below, and screen frame below is provided with the header tank, and the header tank is located curved surface screen cloth under.

2. The curved surface hydraulic screen according to claim 1, wherein a water inlet pipe is arranged in the water distribution tank, the water inlet pipe is positioned above the side of the curved surface screen, and a plurality of water outlet holes which are distributed at equal intervals are formed in the water inlet pipe.

3. The curved surface hydraulic screen according to claim 2, wherein a water outlet pipe is arranged at the bottom of the water collection tank, and the water outlet pipe is communicated with the water collection tank.

4. A curved hydraulic screen according to claim 3, wherein a baffle is provided on each side of the frame, the baffle acting to prevent splashing of the sewage to allow smooth filtration of the sewage on the screen surface.