Vibrating-pressing ultrafiltration automatic solid-liquid separation system

Abstract

The utility model discloses a vibration pressure ultrafiltration automatic solid-liquid separation system which comprises an extrusion dehydration device, the extrusion dehydration device comprises a barrel, the bottom of the barrel is conical, a discharge port is formed in the bottom of the barrel, a discharge valve is arranged at the discharge port, a filter bag is arranged in the barrel, and the filter bag is connected with the extrusion dehydration device. The shape of the filter bag is attached to the inner wall of the barrel, openings are formed in the top and the bottom of the filter bag, an extrusion plate is connected to the opening in the top of the filter bag, an opening in the bottom of the filter bag is connected with a discharging port, a lifting extrusion mechanism is connected to the top of the extrusion plate, a feeding port is formed in the extrusion plate, and the lifting extrusion mechanism is connected with a discharging port. According to the utility model, a horizontal linear vibration screening technology and a membrane cloth filter pressing technology are combined, the aperture of meshes in the existing separation and extrusion technology is reduced from about 150 microns to below 40 microns, large deformable solids are prevented from being extruded back into liquid again in a spiral extrusion dehydration process, and the separation efficiency is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of water treatment, in particular to the technical field of solid-liquid separation system. BACKGROUND

[0002] The existing solid-liquid separation technology mainly takes the drum filter spiral extrusion type solid-liquid separator, inclined plate filter spiral extrusion type solid-liquid separator as the main mode, and the separation technology is not enough in separation fineness, generally can only reach 150 microns, and is easy to block the screen, and the separation efficiency is not high, especially a large amount of fine solid after dehydration extrusion returns to the liquid, and the high-efficiency fine separation target cannot be reached.

[0003] The existing linear vibrating screen is mainly for the purpose of separation and dehydration, the vibrating screen amplitude is large, the operation is unbalanced and stable, the impact force on the screen plate and screen is large, the fine separation screen wire is thin and the hole is small, and cannot withstand the impact of the excitation force and is easy to be damaged, therefore, the screen wire used at present is generally thick and large, although there is a linear vibrating screen with a mesh size close to 120 mesh on the market, but the highest filtration and separation particle can only reach 110 microns, at the same time, after spiral extrusion, a part of the solid with a size of more than 150 microns returns to the liquid, and the effective microfiltration effect cannot be reached, therefore, the linear vibrating screen is rarely used in the current production practice.

[0004] In the prior art, the main problems of the solid-liquid separation system are that the separation fineness is not enough, the fine screen is easy to be damaged, the solid moisture content is high, and the separation efficiency and processing capacity are low. SUMMARY

[0005] The utility model discloses a kind of vibration pressure ultrafiltration automated solid-liquid separation systems, which can solve the above problems.

[0006] To achieve the above object, the utility model provides a kind of vibration pressure ultrafiltration automated solid-liquid separation system, including extrusion dehydration device, the extrusion dehydration device includes cylinder body, the bottom of the cylinder body is conical, the bottom of the cylinder body is equipped with discharge port, the discharge port is equipped with discharge valve, the cylinder body is equipped with filter bag, the shape of the filter bag is attached to the inner wall of the cylinder body, the top and bottom of the filter bag are equipped with opening, the top opening of the filter bag is connected with extrusion plate, the bottom opening of the filter bag is connected with discharge port, the top of the extrusion plate is connected with lifting extrusion mechanism, the extrusion plate is equipped with feed inlet, the feed inlet is equipped with counterflow valve, the lower of the cylinder body is equipped with water outlet, the water outlet is connected with flow guide pipe, the flow guide pipe is arranged at the inner wall of cylinder body, the flow guide pipe is equipped with several water inlets in height direction.

[0007] As preferred, the extrusion dewatering device is connected with a horizontal linear vibration screen, a liquid collecting groove is arranged below the horizontal linear vibration screen, and a solid collecting device is arranged at the discharging end of the horizontal linear vibration screen and connected with the extrusion dewatering device through a conveying device.

[0008] As preferred, the horizontal linear vibration screen comprises a screen box, a vibration motor is arranged on the screen box, the screen box is connected with a support through springs, and a screen is arranged in the screen box.

[0009] As preferred, the screen comprises a frame, injection-molded grids and filter screens are arranged in the frame, and the filter screens are inlaid into the injection-molded grids.

[0010] The filter screens are bonded and combined with the injection-molded grids through a hot melting process, so that the overall strength of the screen is improved and the screen is not easy to be damaged.

[0011] As preferred, the filter screens have a filter hole diameter less than 40 microns.

[0012] As preferred, two extrusion dewatering devices are arranged, a distribution hopper is arranged above the two extrusion dewatering devices, the discharging end of the conveying device is connected with the distribution hopper, the distribution hopper is provided with two discharging channels, and the output ends of the discharging channels are located at the feeding ports.

[0013] As preferred, the lifting extrusion mechanism is a telescopic hydraulic cylinder or a telescopic air cylinder, and a push rod of the lifting extrusion mechanism is connected with the extrusion plate.

[0014] As preferred, a top plate is arranged above the cylinder body, a guide groove is formed in the top plate, a guide column is slidably arranged in the guide groove, and the guide column is connected with the extrusion plate.

[0015] The filter screen aperture control based on the utility model separates small solid matters from water, does not add any medicament, does not affect the full use of the solid part, and does not affect the water treatment technology process at the rear end; the utility model combines the horizontal linear vibration screen separation technology with the membrane cloth pressure filtration process, reduces the existing separation extrusion technology mesh hole diameter from about 150 microns to below 40 microns; the utility model optimizes the design parameters and processing technology of the vibration screen, makes the vibration stable, reduces the impact of excitation on the screen, and accelerates the material meshing rate; the utility model adopts the injection-bonded frame composite microfiltration vibration screen technology, improves the firmness and stability of the screen, changes the dehydration mode from the spiral extrusion mode to the membrane cloth pressure filtration mode, greatly reduces the proportion of small solid matters re-extruded back into the water, and ensures the separation efficiency.

[0016] The features and advantages of the utility model will be described in detail with reference to the embodiments and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic diagram of the utility model;

[0018] Figure 2 is a schematic diagram of the extrusion dewatering device of the utility model;

[0019] Figure 3 is a schematic diagram of the screen of the utility model;

[0020] Figure 4 is a schematic diagram of the flow guide pipe of the utility model.

[0021] In the figure: 1, extrusion dewatering device; 2, cylinder; 3, discharge port; 4, discharge valve; 5, filter bag; 6, extrusion plate; 7, lifting extrusion mechanism; 8, feed inlet; 9, flow guide pipe; 10, horizontal linear vibrating screen; 11, solid collection device; 12, conveying device; 13, screen frame; 14, injection grid; 15, filter screen; 20, distribution hopper; 21, top plate; 22, guide groove; 23, guide column. DETAILED DESCRIPTION

[0022] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , a kind of vibration pressure ultrafiltration automation solid-liquid separation system, including extrusion dewatering device 1, the extrusion dewatering device 1 including cylinder 2, the bottom of the cylinder 2 is conical, the bottom of the cylinder 2 is provided with discharge port 3, the discharge port 3 is equipped with discharge valve 4, the cylinder 2 is equipped with filter bag 5, the shape of the filter bag 5 is attached to the inner wall of the cylinder 2, the top and bottom of the filter bag 5 are equipped with opening, the top opening of the filter bag 5 is connected with extrusion plate 6, the bottom opening of the filter bag 5 is connected with discharge port 3, the top of the extrusion plate 6 is connected with lifting extrusion mechanism 7, the extrusion plate 6 is provided with feed inlet 8, the feed inlet 8 is equipped with counterflow valve, the lower of the cylinder 2 is equipped with water outlet, the water outlet is connected with flow guide pipe 9, the flow guide pipe 9 is arranged at the inner wall of cylinder 2, the flow guide pipe 9 is provided with several water inlet holes in height direction.

[0023] The extrusion dewatering device 1 is connected with horizontal linear vibrating screen 10, the lower of the horizontal linear vibrating screen 10 is equipped with liquid collection groove, the discharge end of the horizontal linear vibrating screen 10 is equipped with solid collection device 11, the solid collection device 11 is connected with extrusion dewatering device 1 by conveying device 12.

[0024] The horizontal linear vibrating screen 10 includes screen box, the screen box is equipped with vibration motor, the screen box is connected with support by spring, the screen box is installed with screen.

[0025] The screen comprises a screen frame 13, an injection-molded grid 14 and a filter screen 15 are arranged in the screen frame 13, and the part of the filter screen 15 in contact with the injection-molded grid 14 is embedded in the injection-molded grid 14.

[0026] The filter screen 15 has a filter hole diameter less than 40 microns.

[0027] The two extrusion dewatering devices 1 are provided with a distribution hopper 20 above them, the discharge end of the conveying device 12 is connected with the distribution hopper 20, the distribution hopper 20 is provided with two discharge channels, and the output ends of the discharge channels are located at the feeding port 8.

[0028] The lifting extrusion mechanism 7 is a telescopic hydraulic cylinder or a telescopic air cylinder.

[0029] The top plate 21 is provided with a guide groove 22, a guide column 23 is slidably arranged in the guide groove 22, and the guide column 23 is connected with the extrusion plate 6.

[0030] The working process of the utility model:

[0031] The water body containing solid matters is passed through the horizontal linear vibrating screen, under the action of the vibrating motor, the material jumps forward along the surface of the superfine frame composite screen in the screen box, under the action of the exciting force and gravity, the particles with a particle size less than the mesh hole diameter in the water body pass through the screen and the liquid to enter the liquid collecting groove below the screen box, and are conveyed to the liquid collecting pool through the pipeline; the solid matters with a particle size greater than the mesh hole diameter and the combined water and attached water thereof continue to jump forward until the end of the screen surface enters the solid matter collecting device.

[0032] The solid matters enter the filter bag through the feeding port, after being filled, the extrusion plate extrudes the filter bag to extrude the moisture in the solid matters out of the outside of the filter cloth, the liquid flows out of the cylinder through the flow guide pipe and the water outlet; the dewatered solid matters are extruded below the cylinder, and after the dehydration time and the dryness degree are reached, the solid matters are discharged from the discharge port through the discharge valve, and the solid-liquid separation process is completed.

[0033] The utility model realizes the ultramicro separation of the fine solid matters in the water body without adding medicaments, and obtains the solid matters with low water content through pressure filtration dewatering, and simultaneously simplifies the depth treatment process of the water body.

[0034] The above examples are used to illustrate the utility model, and are not used to limit the utility model, and any simple transformation of the utility model belongs to the protection range of the utility model.

Claims

1. A vibratory pressure ultrafiltration automated solid-liquid separation system, characterized in that: The extrusion dewatering device (1) is connected with a horizontal linear vibrating screen (10), the lower portion of the horizontal linear vibrating screen (10) is provided with a liquid collecting groove, and the discharge end of the horizontal linear vibrating screen (10) is provided with a solid collecting device (11); the solid collecting device (11) is connected with the extrusion dewatering device (1) through a conveying device (12).

2. The vibratory pressure ultrafiltration automated solid-liquid separation system of claim 1, wherein: The horizontal linear vibrating screen (10) comprises a screen box, a vibrating motor is arranged on the screen box, the screen box is connected with a support through a spring, and a screen mesh is arranged in the screen box.

3. The vibratory pressure ultrafiltration automated solid-liquid separation system of claim 2, wherein: The screen mesh comprises a mesh frame (13), an injection-molded grid (14) and a filter screen (15) are arranged in the mesh frame (13), and the part, at which the filter screen (15) is in contact with the injection-molded grid (14), is embedded into the injection-molded grid (14).

4. The vibratory pressure ultrafiltration automated solid-liquid separation system of claim 3, wherein: The filter screen (15) has a filter hole diameter of less than 40 microns.

5. The vibratory pressure ultrafiltration automated solid-liquid separation system of claim 4, wherein: The extrusion dewatering device (1) is provided with two extrusion dewatering devices (1), the upper portions of the two extrusion dewatering devices (1) are provided with a distribution hopper (20), the discharge end of the conveying device (12) is connected with the distribution hopper (20), the distribution hopper (20) is provided with two discharge channels, and the output ends of the discharge channels are located at the feeding ports (8).

6. The vibratory pressure ultrafiltration automated solid-liquid separation system of claim 2, wherein: The lifting extrusion mechanism (7) is a telescopic hydraulic cylinder or a telescopic air cylinder, and a push rod of the lifting extrusion mechanism (7) is connected with the extrusion plate (6).

7. The vibratory pressure ultrafiltration automated solid-liquid separation system of claim 1, wherein: The upper portion of the cylinder body (2) is provided with a top plate (21), the top plate (21) is provided with a guide groove (22), a guide column (23) is slidably arranged in the guide groove (22), and the guide column (23) is connected with the extrusion plate (6).

8. The vibratory pressure ultrafiltration automated solid-liquid separation system of claim 1, wherein: ​

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