Centrifugal dewatering system

Abstract

The invention belongs to the technical field of sewage treatment, and discloses a centrifugal dewatering system which comprises a rotating shaft, an outer cylinder and a turntable are arranged on the rotating shaft, the outer cylinder is located on the periphery of the turntable, and leakage holes are formed in the outer cylinder. At least one layer of rotating disc is arranged, the diameter of the rotating disc is sequentially increased from top to bottom, and through holes are formed in the rotating disc. According to the centrifugal dewatering system, efficient dewatering is achieved through the multiple layers of rotating discs, maintenance and installation are convenient, and the dewatering effect is good.

Description

Technical Field

[0001] The invention belongs to the technical field of sewage treatment, and in particular relates to a centrifugal dehydration system. Background Art

[0002] Existing dry-wet separators have difficulty in handling raw materials with excessively high water content when separating solid and liquid materials, and the effect is poor. For example, when separating sewage sludge, the dry-wet separator is not ideal, resulting in high cost for dehydrating sewage sludge. Summary of the invention

[0003] The present invention aims to solve the above technical problems at least to a certain extent. To this end, the present invention aims to provide a centrifugal dehydration system.

[0004] The technical solution adopted by the present invention is:

[0005] A centrifugal dehydration system comprises a rotating shaft, an outer cylinder and a rotating disk are arranged on the rotating shaft, the outer cylinder is located at the periphery of the rotating disk, and a leakage hole is opened on the outer cylinder.

[0006] Preferably, the turntable is provided with at least one layer; when the turntable is provided with multiple layers, the diameter of the turntable increases from top to bottom, and a through hole is opened on the turntable.

[0007] Preferably, a water retaining plate is provided in an annular shape on the inner wall and / or the outer wall of the outer cylinder, and the water retaining plate is provided with at least one layer. Alternatively, the outer wall of the outer cylinder is a corrugated surface provided from top to bottom.

[0008] Preferably, the upper surface of the turntable is evenly distributed with baffles around the circumference, and the baffles are arranged protruding from the upper surface of the turntable. The baffles are arc-shaped structures.

[0009] Preferably, a slag collecting plate is provided on the rotating shaft, and the slag collecting plate is located below the outer cylinder and the rotating disk. A circle of water collecting plates is provided at the lower end of the outer cylinder.

[0010] Preferably, the rotating shaft is provided with an inner cylinder, and the rotating disk is mounted on the inner cylinder. The rotating shaft is mounted on a bracket through a bearing, and a delivery pipe is provided on the bracket, and the lower end of the delivery pipe is opposite to the rotating disk.

[0011] The beneficial effects of the present invention are:

[0012] The centrifugal dehydration system provided by the present invention realizes efficient dehydration through multi-layer turntables, is easy to maintain and install, and has a good dehydration effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the centrifugal dehydration system of the present invention.

[0014] Figure 2 It is a top view of the turntable of the present invention.

[0015] Figure 3 Schematic diagram of a centrifugal dehydration system in another embodiment of the present invention.

[0016] Figure 4 It is a schematic diagram of a centrifugal dehydration system in another embodiment of the present invention.

[0017] In the figure: 1-rotating shaft; 2-outer cylinder; 3-turntable; 4-water baffle; 5-baffle bar; 6-slag collecting plate; 7-water collecting plate; 8-slag outlet; 9-inner cylinder; 10-bearing. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and are not to be construed as limiting the present invention. The components of the embodiments of the present invention generally described and shown in the drawings herein may be arranged and designed in a variety of different configurations.

[0019] In the present invention, unless otherwise clearly stipulated and limited, terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two elements.

[0020] like Figure 1 and Figure 2 As shown, a centrifugal dehydration system for treating sludge and sewage in this embodiment includes a rotating shaft 1, which is connected to a driving unit. The rotating shaft 1 is installed on a bracket through two upper and lower bearings 10. An outer cylinder 2 and a turntable 3 are provided on the rotating shaft 1. The outer cylinder 2 is located at the periphery of the turntable 3. The outer cylinder 2 is roughly truncated cone-shaped. The diameter of the outer cylinder 2 increases from top to bottom. Leakage holes are evenly opened on the outer cylinder 2. Water retaining plates 4 are annularly provided on the inner and outer walls of the outer cylinder 2, and the water retaining plates 4 are provided in multiple layers.

[0021] The turntable 3 is provided with multiple layers, and an inner cylinder 9 is provided on the rotating shaft 1. The inner cylinder 9 is cylindrical, and the multiple turntables 3 are all installed on the inner cylinder 9. The outer cylinder 2 is connected to the rotating shaft 1 through a connecting rod (not shown in the figure). The synchronous rotation of the outer cylinder 2 makes it easier for the sludge and sewage on the outer cylinder 2 to fall off. The diameter of the turntable 3 increases from top to bottom, and a through hole is provided on the turntable 3, which allows the sludge and sewage to fall from top to bottom, so that each layer of the turntable 3 carries sludge and sewage, and can throw the sludge and sewage to the outer cylinder 2, thereby improving the dehydration efficiency.

[0022] The upper surface of the turntable 3 is evenly distributed with baffles 5, which are protruding from the upper surface of the turntable 3. The turntable 3 rotates in a circle during operation. The baffles 5 can prevent the sludge and sewage on the turntable 3 from flowing in a circle, so that the sludge and sewage can be effectively thrown to the outer cylinder 2, and can also make the sludge and sewage falling from the upper turntable more evenly distributed; Figure 2 As shown, the barrier strip 5 is an arc-shaped structure.

[0023] A slag collecting plate 6 is provided on the rotating shaft 1 , and the slag collecting plate 6 is located below the outer cylinder 2 and the turntable 3 . A circle of water collecting plates 7 is provided at the lower end of the outer cylinder 2 .

[0024] A conveying pipe is provided on the bracket, and the lower end of the conveying pipe is opposite to the turntable 3. The sewage mixed with sludge is sent to the turntable 3 through the conveying pipe. The turntable 3 rotates in a circle driven by the rotating shaft 1 to throw the sludge to the outer cylinder 2, and the water falls out from the leakage hole. The solid slag is blocked on the inner wall of the outer cylinder 2 and falls down. The water baffle 4 can effectively prevent the water from flowing back into the outer cylinder 2 from the leakage hole when falling, thereby affecting the dehydration effect; the water falls on the water collecting plate 7 for collection and discharge, and the solid slag falls on the slag collecting plate 6. The slag collecting plate 6 also rotates in a circle driven by the rotating shaft 1. Therefore, the solid slag on the slag collecting plate 6 is discharged from the slag outlet 8 of the slag collecting plate 6 and the water collecting plate 7 under the action of centrifugal force; through this centrifugal dehydration system, sewage can be continuously introduced, dehydrated continuously, and slag and liquid can be discharged.

[0025] It should be noted that sludge includes feces and sewage, so the centrifugal dewatering system is also suitable for the treatment of sewage mixed with feces and sewage.

[0026] like Figure 3 As shown, in another embodiment, the inner cylinder 9 is in the shape of a truncated cone.

[0027] like Figure 4 As shown, in another embodiment, the water baffle 4 is not arranged on the outer cylinder 2, but the outer wall of the outer cylinder 2 is a wavy surface arranged from top to bottom. This arrangement can also prevent water from flowing into the outer cylinder 2 from the leakage hole when falling after water falls out of the leakage hole.

[0028] In other embodiments, the rotating disk 3 and the water baffle 4 are each provided with only one layer, and no through hole is provided on the rotating disk 3 .

[0029] The present invention is not limited to the above-mentioned optional implementation modes. Anyone can derive other various forms of products under the inspiration of the present invention. However, no matter what changes are made in the shape or structure, all technical solutions that fall within the scope defined by the claims of the present invention fall within the protection scope of the present invention.

Claims

1. A centrifugal dehydration system, characterized in that: The invention comprises a rotating shaft (1), an outer cylinder (2) and a rotating disk (3) are arranged on the rotating shaft (1), the outer cylinder (2) is located outside the rotating disk (3), and a leakage hole is opened on the outer cylinder (2).

2. The centrifugal dehydration system according to claim 1, characterized in that: The turntable (3) is provided with at least one layer; when the turntable (3) is provided with multiple layers, the diameter of the turntable (3) increases from top to bottom, and a through hole is provided on the turntable (3).

3. The centrifugal dehydration system according to claim 1 or 2, characterized in that: A water baffle (4) is provided in an annular shape on the inner wall and / or the outer wall of the outer cylinder (2), and the water baffle (4) is provided with at least one layer.

4. The centrifugal dehydration system according to claim 1 or 2, characterized in that: The outer wall of the outer cylinder (2) is a corrugated surface arranged from top to bottom.

5. The centrifugal dehydration system according to claim 1, characterized in that: Baffle bars (5) are evenly distributed on the circumference of the upper surface of the turntable (3), and the baffle bars (5) are arranged protruding from the upper surface of the turntable (3).

6. The centrifugal dehydration system according to claim 5, characterized in that: The baffle (5) is an arc-shaped structure.

7. The centrifugal dehydration system according to claim 1, characterized in that: The rotating shaft (1) is provided with a slag collecting plate (6), and the slag collecting plate (6) is located below the outer cylinder (2) and the rotating disk (3).

8. The centrifugal dehydration system according to claim 1, characterized in that: A circle of water collecting plates (7) is provided at the lower end of the outer cylinder (2).

9. The centrifugal dehydration system according to claim 1, characterized in that: An inner cylinder (9) is provided on the rotating shaft (1), and a rotating disk (3) is mounted on the inner cylinder (9).

10. The centrifugal dehydration system according to claim 1, characterized in that: The rotating shaft (1) is mounted on a bracket via a bearing (10), and a delivery pipe is provided on the bracket, wherein the lower end of the delivery pipe is opposite to the rotating disk (3).

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