Solid-liquid separation device for sludge

Abstract

The utility model relates to the technical field of sludge treatment devices, in particular to a solid-liquid separation device for sludge, which comprises a device body, a separation working cavity is arranged in the device body, two electric push rods which are symmetrically arranged are connected to the top end face of the separation working cavity, and a separation cylinder is arranged in the separation working cavity. Connecting blocks with the top end faces connected with the output ends of the electric push rods are symmetrically arranged on the two sides of the top of the separation barrel, a high-pressure water pipe is arranged on the outer side of the separation barrel in a surrounding mode, a plurality of high-pressure spray heads communicated with the high-pressure water pipe are arranged on the high-pressure water pipe, and an inner feeding pipe communicated with an inner cavity of the separation barrel is arranged on one side of the separation barrel. According to the sludge solid-liquid separation device, cleaning can be carried out after solid-liquid separation, and the situation that a large amount of sludge residues are left on the separation barrel after solid-liquid separation of sludge, and consequently filtering holes in the separation barrel are blocked is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge treatment devices, in particular to a solid-liquid separation device for sludge. Background Art

[0002] Sludge refers to the sediment, particulate matter and floating matter produced when wastewater is treated by physical, chemical, physicochemical and biological methods. It has a high water content. In the process of sludge treatment, solid-liquid separation equipment is needed to perform solid-liquid separation treatment on the sludge.

[0003] The existing solid-liquid separation device will have a lot of sludge residues left after the sludge is separated from the solid and liquid. After the sludge is air-dried and solidified, it is easy to cause blockage, affecting the subsequent solid-liquid separation effect. Utility Model Content

[0004] The purpose of the utility model is to provide a solid-liquid separation device for sludge in view of the defects of the prior art, so as to solve the problem that a lot of sludge residues will remain in the existing solid-liquid separation device after the solid-liquid separation of the sludge, which is easy to cause blockage after the sludge is air-dried and solidified, thus affecting the subsequent solid-liquid separation effect.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A solid-liquid separation device for sludge comprises a device body, a separation working chamber is opened in the device body, two symmetrically arranged electric push rods are connected to the top end surface of the separation working chamber, a separation cylinder is arranged in the separation working chamber, connecting blocks connected to the top end surfaces of the electric push rods are symmetrically arranged on both sides of the top of the separation cylinder, a high-pressure water pipe is arranged around the outside of the separation cylinder, a plurality of high-pressure nozzles connected thereto are arranged on the high-pressure water pipe, an inner feed pipe connected to the inner chamber of one side of the separation cylinder is arranged on the top, a hydraulic cylinder is arranged on the top end surface of the device body, a drive rod is arranged at the output end of the hydraulic cylinder extending into the separation working chamber, and a pressure plate is arranged at the bottom of the drive rod extending into the separation cylinder.

[0007] As a preferred technical solution of the utility model, an external feed pipe is provided on one side of the top of the device body, and the external feed pipe is connected to the internal feed pipe through a feed bellows.

[0008] As a preferred technical solution of the utility model, a water storage tank is provided on one side of the device body, a water pipe connected to the high-pressure water pipe is provided on the top of the water storage tank, and a water pump is provided on the water pipe.

[0009] As a preferred technical solution of the utility model, a plurality of filter holes are formed through the separation cylinder.

[0010] In order to improve the stability of the connection between the separation cylinder and the device body during separation processing, a fixing groove capable of being clamped after the separation cylinder is displaced downward is provided on the bottom end surface of the separation working chamber.

[0011] As a preferred technical solution of the utility model, a drainage pipe connected to the separation working chamber is provided on one side of the bottom of the device body.

[0012] In order to improve the connection strength between the high-pressure water pipe and the device body, the high-pressure water pipe is connected to the inner side wall of the separation working chamber through a plurality of fixing rods.

[0013] In order to facilitate the staff to take out the sludge after the liquid is separated, a box door is movably installed on the front side of the device body.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] When in use, the sludge that needs solid-liquid separation is first injected from the external feed pipe, the sludge enters the separation cylinder through the feed bellows and the internal feed pipe, the hydraulic cylinder is started to drive the pressure plate to move downward, the sludge is squeezed and dehydrated in the separation cylinder for solid-liquid separation, the sewage flows out through the filter holes on the separation cylinder, and then the sewage is discharged from the device body through the discharge pipe. After the solid-liquid separation of the sludge is completed, the hydraulic cylinder drives the pressure plate to move upward and reset, and at the same time, the electric push rod is started to drive the separation cylinder to move upward, so as to quickly export the sludge inside the separation cylinder. The staff opens the box door to take out the sludge after solid-liquid separation in the device body, then closes the box door, starts the water pump, and guides the water in the water storage tank into the high-pressure water pipe through the water guide pipe, and sprays water onto the surface of the separation cylinder for cleaning through the high-pressure nozzle on the high-pressure water pipe. The utility model can clean after solid-liquid separation, avoids a lot of sludge residues remaining on the separation cylinder after the solid-liquid separation of the sludge, which causes the filter holes on the separation cylinder to be blocked, greatly improving the subsequent solid-liquid separation effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0018] Figure 3 This is a diagram showing the connection relationship between the high-pressure water pipe and the high-pressure nozzle of the utility model;

[0019] In the figure: 1. device body; 2. separation working chamber; 3. electric push rod; 4. separation cylinder; 5. hydraulic cylinder; 6. driving rod; 7. pressure plate; 8. high-pressure water pipe; 9. water storage tank; 10. water pump; 11. box door; 12. high-pressure nozzle; 13. fixing rod; 14. water guide pipe; 15. inner feed pipe; 16. outer feed pipe; 17. feed bellows; 18. fixing groove; 19. drain pipe; 20. connecting block. DETAILED DESCRIPTION

[0020] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0021] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0022] Example

[0023] Combination Figure 1-3 As shown, a solid-liquid separation device for sludge comprises a device body 1, a separation working chamber 2 is provided in the device body 1, two symmetrically arranged electric push rods 3 are connected to the top end surface of the separation working chamber 2, a separation cylinder 4 is provided in the separation working chamber 2, a plurality of filter holes are penetrated through the separation cylinder 4, and connection blocks 20 connected to the output ends of the electric push rods 3 are symmetrically provided on both sides of the top of the separation cylinder 4, the connection blocks 20 and the separation cylinder 4 are welded to improve the connection strength and service life of the two, and a high-pressure water pipe 8 with an annular structure is provided around the outer side of the separation cylinder 4. The high-pressure water pipe 8 is connected to the inner wall of the separation working chamber 2 through a plurality of fixed rods 13. The high-pressure water pipe 8 is provided with a plurality of high-pressure nozzles 12 connected thereto. The top of one side of the separation cylinder 4 is provided with an inner feed pipe 15 connected to its inner cavity. A hydraulic cylinder 5 is provided on the top end surface of the device body 1. The output end of the hydraulic cylinder 5 extends to the separation working chamber 2 where a driving rod 6 is provided. The bottom of the driving rod 6 extends to the separation cylinder 4 where a pressure plate 7 is provided. A water storage tank 9 is provided on one side of the device body 1. A water conduit 14 connected to the high-pressure water pipe 8 is provided on the top of the water storage tank 9. A water pump 10 is provided on the water conduit 14.

[0024] A box door 11 is movably installed at the front side of the device body 1 , and the setting of the box door 11 makes it convenient for workers to take out the sludge after solid-liquid separation in the device body 1 .

[0025] Among them, an external feed pipe 16 is provided on one side of the top of the device body 1, and the external feed pipe 16 is connected to the internal feed pipe 15 through a feed bellows 17, and the feed bellows 17 and the external feed pipe 16 and the internal feed pipe 15 are detachably arranged to facilitate maintenance and disassembly by the staff. At the same time, the feed bellows 17 does not affect the connection between the external feed pipe 16 and the internal feed pipe 15 when the separation cylinder 4 moves up and down.

[0026] Among them, a fixing groove 18 is opened on the bottom end surface of the separation working chamber 2, which can be used for the bottom of the separation cylinder 4 to be clamped after the separation cylinder 4 moves downward. Through the setting of the fixing groove 18, the connection strength and stability between the separation cylinder 4 and the device body 1 are improved after the separation cylinder 4 moves downward.

[0027] A drainage pipe 19 communicating with the separation working chamber 2 is provided on one side of the bottom of the device body 1 , so as to facilitate the discharge of sewage after the solid-liquid separation of the sludge and the cleaning of the separation cylinder 4 .

[0028] like Figure 3 The high-pressure water pipe 8 and the high-pressure nozzle 12 shown, the high-pressure nozzle 12 at the top of the high-pressure water pipe 8 and the high-pressure nozzle 12 at the bottom of the high-pressure water pipe 8 both have a certain inclination angle, thereby improving the cleaning effect of the separation cylinder 4 and avoiding the situation of inadequate cleaning.

[0029] The working principle of the utility model is:

[0030] When in use, first inject the sludge that needs solid-liquid separation from the external feed pipe 16, the sludge enters the separation cylinder 4 through the feed bellows 17 and the internal feed pipe 15, start the hydraulic cylinder 5 to drive the pressing plate 7 to move downward, squeeze the sludge inside the separation cylinder 4 for dehydration and solid-liquid separation, and the sewage flows out through the filter holes on the separation cylinder 4, and then the sewage is discharged from the device body 1 through the drain pipe 19. After the solid-liquid separation of the sludge is completed, the hydraulic cylinder 5 drives the pressing plate 7 to move upward and reset, and at the same time starts the electric push rod 3 to drive the separation cylinder 4 to move upward, so that the sewage inside the separation cylinder 4 The mud is quickly discharged, and the staff opens the box door 11 to take out the sludge after solid-liquid separation in the device body 1, then closes the box door 11, starts the water pump 10, and guides the water in the water storage tank 9 into the high-pressure water pipe 8 through the water guide pipe 14, and sprays water onto the surface of the separation cylinder 4 through the high-pressure nozzle 12 on the high-pressure water pipe 8 for cleaning. The utility model can clean after solid-liquid separation, avoiding a lot of sludge residues on the separation cylinder 4 after solid-liquid separation, causing the filter holes on the separation cylinder 4 to be blocked, which greatly improves the subsequent solid-liquid separation effect of the device.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A solid-liquid separation device for sludge, comprising a device body (1), characterized in that: A separation working chamber (2) is provided in the device body (1), and two symmetrically arranged electric push rods (3) are connected to the top end surface of the separation working chamber (2). A separation cylinder (4) is provided in the separation working chamber (2), and connection blocks (20) are symmetrically provided on both sides of the top of the separation cylinder (4), and the top end surfaces are connected to the output ends of the electric push rods (3). A high-pressure water pipe (8) is arranged around the outer side of the separation cylinder (4), and a plurality of high-pressure nozzles (12) connected thereto are arranged on the high-pressure water pipe (8). An inner feed pipe (15) connected to the inner chamber of the separation cylinder (4) is arranged on the top of one side of the separation cylinder (4). A hydraulic cylinder (5) is provided on the top end surface of the device body (1), and a driving rod (6) is provided at the output end of the hydraulic cylinder (5) extending to the separation working chamber (2), and a pressure plate (7) is provided at the bottom of the driving rod (6) extending to the separation cylinder (4).

2. A solid-liquid separation device for sludge according to claim 1, characterized in that: An external feed pipe (16) is provided on one side of the top of the device body (1), and the external feed pipe (16) is connected to the internal feed pipe (15) via a feed bellows (17).

3. A solid-liquid separation device for sludge according to claim 1, characterized in that: A water storage tank (9) is provided on one side of the device body (1), a water pipe (14) connected to the high-pressure water pipe (8) is provided on the top of the water storage tank (9), and a water pump (10) is provided on the water pipe (14).

4. A solid-liquid separation device for sludge according to claim 1, characterized in that: The separation cylinder (4) is provided with a plurality of filtering holes.

5. The solid-liquid separation device for sludge according to claim 1, characterized in that: The bottom end surface of the separation working chamber (2) is provided with a fixing groove (18) capable of being engaged by the separation cylinder (4) after it is displaced downward.

6. The solid-liquid separation device for sludge according to claim 1, characterized in that: A liquid discharge pipe (19) connected to the separation working chamber (2) is provided on one side of the bottom of the device body (1).

7. A solid-liquid separation device for sludge according to claim 1, characterized in that: The high-pressure water pipe (8) is connected to the inner wall of the separation working chamber (2) via a plurality of fixing rods (13).

8. The solid-liquid separation device for sludge according to claim 1, characterized in that: A box door (11) is movably mounted on the front side of the device body (1).

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