CN210964258U

CN210964258U - Solid-liquid separator

Info

Publication number: CN210964258U
Application number: CN201921582570.0U
Authority: CN
Inventors: 姚孝清; 阴艳华; 章北霖
Original assignee: Wuhan Fund Environment Protection Co ltd
Current assignee: Wuhan Fund Environment Protection Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-07-10
Anticipated expiration: 2029-09-23

Abstract

The utility model discloses a solid-liquid separation machine, include: the automatic sedimentation device comprises a frame, a sedimentation tank, a water collecting tank and a water collecting tank, wherein the frame is divided into an upper layer and a lower layer, a self-sedimentation tank is formed on the upper layer, and the water collecting tank is formed on the lower layer; the pushing assembly comprises a filter cylinder, a rotating shaft, a blade and a motor; the filter cylinder is provided with a notch along the axial direction, and the notch which faces upwards is horizontally erected between the self-sedimentation tank and the water collecting tank; the rotating shaft is coaxially arranged in the filter cylinder; the blades are spiral, the inner edges of the blades are fixed on the rotating shaft, and the outer edges of the blades are close to the inner wall of the filter cylinder; the motor is in driving connection with the rotating shaft; the filter screen is obliquely arranged above the water collecting tank, one end of the filter screen is lapped on the upper edge of the self-sedimentation tank, and the opposite end of the filter screen is lapped on the edge of the cut of the filter cylinder. Compared with a solid-liquid separator in the prior art, the solid-liquid separator has the advantages that solid impurities in sewage are separated by the filter screen aiming at the sewage with a small solid-liquid ratio, and the rapid solid-liquid separation of a large amount of sewage is realized.

Description

Solid-liquid separator

Technical Field

The utility model relates to a sewage treatment field, concretely relates to solid-liquid separation machine.

Background

For solid-liquid separation of sewage with a small solid-liquid ratio, a settling tank is usually used for standing and settling the sewage. But the settling tank requires a long waiting time and heavy settling tank dredging work. The existing solid-liquid separator mainly has a centrifugal type and an extrusion type, but the centrifugal type has higher cost and smaller specification, and is not suitable for treating a large amount of sewage. The extrusion type depends on a mechanical component to squeeze water in solid materials, and sewage with small solid-liquid ratio cannot be effectively treated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the technical insufficiency, provide one kind, solve among the prior art technical problem that the sewage treatment efficiency is low that the solid-liquid ratio is little.

In order to achieve the technical purpose, the technical scheme of the utility model provides a solid-liquid separation machine, include:

the automatic sedimentation device comprises a frame, a sedimentation tank, a water collecting tank and a water collecting tank, wherein the frame is divided into an upper layer and a lower layer, a self-sedimentation tank is formed on the upper layer, and the water collecting tank is formed on the lower layer;

the pushing assembly comprises a filter cylinder, a rotating shaft, a blade and a motor; the filter cartridge is provided with a cut along the axial direction, the cut of the filter cartridge is upward and is horizontally erected between the self-settling tank and the water collecting tank; the rotating shaft is coaxially arranged in the filter cylinder; the blades are spiral, the inner edges of the blades are fixed on the rotating shaft, and the outer edges of the blades are close to the inner wall of the filter cylinder; the motor is in driving connection with the rotating shaft;

the filter screen is obliquely arranged above the water collecting tank, one end of the filter screen is lapped on the upper edge of the self-sedimentation tank, and the opposite end of the filter screen is lapped on the edge of the cut of the filter cylinder.

Compared with the prior art, the beneficial effects of the utility model include: the sewage is injected into a self-sedimentation tank positioned on the upper layer, and impurities with higher density are preliminarily precipitated. Then sewage fills the self-sedimentation tank and extends to the filter screen, water permeates the filter screen and enters the water collecting tank under the filtration of the filter screen, solid impurities are left on the upper surface of the filter screen, and finally slide down to the filter cylinder at the bottom end of the filter screen along the inclined filter screen under the flushing of gravity and water flow. Under the pushing of the helical blade of the pushing component, the solid impurities are pushed and extruded to further remove residual moisture, and the moisture permeates into the water collecting tank from the filter cylinder. Finally, the solid impurities are discharged out of the solid-liquid separator under the pushing of the blades. Compared with a solid-liquid separator in the prior art, the solid-liquid separator has the advantages that solid impurities in sewage are separated by the filter screen aiming at the sewage with a small solid-liquid ratio, and the rapid solid-liquid separation of a large amount of sewage is realized.

Drawings

FIG. 1 is a schematic diagram of a front structure of a solid-liquid separator according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a back structure of a solid-liquid separator according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of an elastic supporting member according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the pushing assembly, the laminating assembly and the pushing assembly according to the embodiment of the present invention;

fig. 5 is an exploded schematic view of the laminated assembly according to the embodiment of the present invention;

fig. 6 is an exploded view of the pushing assembly of the embodiment of the present invention;

FIG. 7 is a schematic structural view of a flushing assembly according to an embodiment of the present invention;

FIG. 8 is a schematic view of a blade structure according to an embodiment of the present invention;

FIG. 9 is a schematic view of a filter cartridge according to an embodiment of the present invention;

fig. 10 is a schematic view of a filter screen structure according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model provides a solid-liquid separation machine, include frame 100, push away material subassembly 200, filter screen 300, fold and press subassembly 400, bulldoze subassembly 500 and flushing assembly 600.

The frame 100 is divided into an upper layer and a lower layer, the upper layer is formed with a self-sedimentation tank 110, the upper part of the self-sedimentation tank 110 is provided with an inlet 111, and the bottom of the self-sedimentation tank 110 is recessed downwards to form a cone shape and is provided with an outlet 112. A water collecting tank 120 is formed at the lower layer of the frame 100, the bottom surface of the water collecting tank 120 has a slope, and a water outlet 121 is formed at the bottom end of the slope.

The pushing assembly 200 includes a filter cartridge 210, a rotating shaft 220, a blade 230 and a motor 240, the filter cartridge 210 has a notch 211 formed in an axial direction, and the filter cartridge 210 is mounted on the upper end of the sump 120. The filter cartridge 210 includes a cartridge housing 212 and a cartridge net 213, the cartridge housing 212 is a cylindrical frame structure, and the cartridge net 213 is embedded in the frame. The rotating shaft 220 is coaxially disposed in the filter cartridge 210, and both ends thereof are fixed to the frame 100 by bearings. The motor 240 may drive the rotating shaft 220 in various connection manners, and the embodiment preferably uses a manner of directly connecting with the rotating shaft. The blades 230 are spirally arranged around the rotating shaft 220, the inner edges of the blades 230 are fixed on the rotating shaft 220, and the outer edges of the blades 230 are close to the inner wall of the filter cartridge. And the pitch of the blades 230 is arranged to be smaller and smaller along the conveying direction, and the gradually-smaller pitch can extrude the materials in the process of pushing the materials and discharge the moisture in the materials. It should be noted that in order to ensure that the motor 240 is installed without affecting the discharging of the pusher assembly 200, the motor 240 should be placed at the beginning of the conveying direction.

The filter screen 300 is obliquely arranged and comprises a rectangular frame 310 and a wire mesh 320, wherein the wire mesh 320 is embedded in the rectangular frame 310, one end of the filter screen 300 is lapped on the upper edge of the self-sedimentation tank 110, and the opposite end is lapped on the edge of the notch 211 of the filter cartridge 210. The filter screen 300 is fixed on the elastic supporting member 130 of the frame 100, the elastic supporting member 130 includes a spring 131, a sliding seat 132 and a guide rod 133, the guide rod 133 is fixed on the frame 100, the sliding seat 132 is slidably disposed on the guide rod 133, one end of the spring 131 abuts against the sliding seat 132, the other end abuts against the frame 100, and the filter screen 300 is fixed on the sliding seat 132. The four elastic supporting members 130 are respectively provided with four corners for supporting the filter net 300. Meanwhile, the filter 300 is further provided with a vibration member 330, the vibration member 330 includes a cross bar 331 and a vibration motor 332, the cross bar 331 is fixed on the rectangular frame 310, and the vibration motor 332 is mounted on the cross bar 331. Under the vibration of the vibration motor 332, the vibration motor can drive the filter screen 300 to vibrate, and the vibrating filter screen 300 facilitates the penetration of water and the penetration of the water through the filter screen 300, and at the same time, can organize the solid impurities to be attached to the meshes of the filter screen 300, thereby facilitating the solid impurities to fall into the filter cartridge 210.

The laminating assembly 400 is arranged at the terminal of the pushing assembly 200 for conveying materials, the laminating assembly 400 comprises a plurality of movable rings 410, fixed rings 420 and supporting rods 430 which are closely and alternately arranged, four supporting rods 430 are respectively provided with four square corners to be fixed on the machine frame, and four clamping grooves are formed in the four corners of the fixed rings 420 to enable the fixed rings 420 to be clamped between the four supporting rods 430. The moving ring 410 is inserted between the fixed rings 420, and the inner edge thereof abuts against the outer edge of the spiral vane 230, and when the vane 230 rotates, the inner edge periodically floats with the rotation of the vane 230. The periodic floating of the moving ring 410 in the stack 400 further squeezes the water from the solid material, and the squeezed water seal can permeate out from the gap between the moving ring 410 and the stationary ring 420.

In order to control the moisture content in the solid material more strictly, the pressing assembly 500 including the pressing plate 510 and the pressing cylinder 520 is further installed at the discharge end of the laminating assembly 400, the pressing plate 510 is slidably disposed on the axis of the laminating assembly, in this embodiment, the pressing plate 510 is preferably installed by matching a guide rod with a clamping interface, and the pressing cylinder 520 drives the pressing plate 510 to cover the discharge end of the laminating assembly 400. The greater the pressure of the pushing plate 510, the greater the pressure transmitted to the material, and the greater the pressure transmitted to the material, the moisture content in the material will be reduced by the extrusion of the material, and in practical applications, the pressure transmitted to the material by the pushing plate 510 can be controlled by controlling the air pressure of the pushing cylinder 520.

The washing assembly 600 is provided to wash solid foreign substances on the surface of the screen 300 to prevent the foreign substances from clogging the mesh holes of the screen 300. The wash assembly 600 includes a water pump 610, a hose 620, a wash pipe 630, a slide 640, a pivot 650, a swivel arm 660, a cylinder arm 670, and a cylinder 680, wherein the two slides 630 are respectively laid under the screen 300 along the two inclined sides of the rectangular frame 310 of the screen 300. The flushing pipe 630 is horizontally disposed, two ends of the flushing pipe are respectively slidably disposed on the slide ways 640, and two ends of the flushing pipe penetrate through the slide ways 640 to form two clamping interfaces. The rinsing pipe 630 has a plurality of uniformly distributed rinsing holes 632 formed on a generatrix adjacent to the filter screen 300. One end of the hose 620 is connected to the output end of the water pump 310, and the other end is connected to the flushing pipe 630, so that the water pump 310 can extract the filtrate of the sewage or can adopt clean water. The pivot 650 is disposed parallel to the wash pipe 630 and is fixed at both ends thereof to the frame 100 by means of bearings. The two rotating arms 660 are respectively disposed at two ends of the flushing pipe 630, one end of each rotating arm is fixed to the pivot 650, and the other end of each rotating arm is provided with a chute 661 to be sleeved on the clamping port. The cylinder 680 is hinged to the frame, and the piston rod is hinged to one end of the cylinder arm 670, and the other end of the cylinder arm 670 is fixedly connected to the pivot 650.

The piston rod of the cylinder 680 extends and retracts to push the cylinder arm 670 to rotate, thereby driving the pivot 650 to rotate. The pivot 650 drives the rotating arm 660 to rotate, and the washing pipe 630 is driven to slide along the slide rail 640 by the rotation of the rotating arm 660 through the matching relationship between the chute 661 and the clamping interface 631 of the rotating arm 660, so that the washing pipe 630 can wash the filter screen surface 300 from bottom to top.

The sewage is injected into the self-settling tank 110 located at the upper layer to primarily settle impurities with a higher density. Then, after the self-sedimentation tank 110 is filled with sewage, the sewage spreads to the filter screen 300, under the filtration of the filter screen 300, the water penetrates through the filter screen 300 and enters the water collecting tank 120, solid impurities are left on the upper surface of the filter screen 300, the washing pipe 630 washes the filter screen 300 from bottom to top, the solid impurities are prevented from blocking meshes of the filter screen 300, and finally, the sewage slides down to the filter cylinder 210 at the bottom end of the filter screen 300 along the inclined filter screen 300 under the washing of gravity and water flow. The pitch of the blade 230 of the pushing assembly 200 is gradually decreased along the conveying direction, and the solid impurities are pushed by the blade 230 to further remove the residual water, so that the water permeates into the water collecting tank 120 from the filter cartridge 210. The final solid impurities at the output end of the pusher assembly 200 are pushed by the blades 230 to be discharged out of the solid-liquid separator. Compared with a solid-liquid separator in the prior art, the solid-liquid separator utilizes the filter screen 300 to separate solid impurities in sewage aiming at sewage with small solid-liquid ratio, and realizes quick solid-liquid separation of a large amount of sewage.

The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A solid-liquid separator, comprising:

2. The solid-liquid separator according to claim 1, wherein the frame further comprises a plurality of elastic supporting members, and the strainer is fixed to the elastic supporting members; and the solid-liquid separator also comprises a vibrating piece, and the vibrating piece is connected with the filter screen.

3. A solid-liquid separator according to claim 1, wherein the pitch of said blades decreases in the direction of advance of the material.

4. The solid-liquid separator according to claim 3, wherein the pushing assembly is provided with a laminating assembly at the end with the smaller pitch of the blade; the pressure-superposed assembly comprises a plurality of moving rings and fixed rings which are closely and alternately arranged, the fixed rings are fixedly arranged, and the inner edges of the moving rings are abutted to the outer edges of the blades and periodically float along with the rotation of the blades.

5. The solid-liquid separator according to claim 4, further comprising a pushing assembly, wherein the pushing assembly comprises a pushing plate and a pushing cylinder, and the pushing cylinder drives the pushing plate to press against the discharge end of the laminated assembly.

6. The solid-liquid separator according to claim 1, wherein a flushing component is further arranged on the filter screen, and comprises a water pump, a hose and a flushing pipe; the flushing pipe is horizontally arranged and is arranged on the lower surface of the filter screen in a sliding manner, and a plurality of flushing holes which are uniformly distributed are formed in a bus close to the filter screen; one end of the hose is connected with the output end of the water pump, and the other end of the hose is communicated with the flushing pipe.

7. The solid-liquid separator according to claim 6, wherein the two sides of the filter screen are respectively provided with a slideway, and the two ends of the flushing pipe are respectively arranged on the slideways at the two sides in a sliding manner.

8. The solid-liquid separator according to claim 7, wherein the flushing assembly further comprises a pivot, a rotating arm, a cylinder; the pivot is parallel to the flushing pipe, and two ends of the pivot are respectively hinged to the rack; one end of the rotating arm is fixed on the pivot, and the other end of the rotating arm is provided with a sliding groove; the two rotating arms are oppositely arranged, and the two sliding chutes are respectively sleeved at the two ends of the flushing pipe; one end of the cylinder arm is fixed on the rotating shaft, the cylinder body of the cylinder is hinged to the rack, and the piston rod of the cylinder is hinged to the free end of the cylinder arm.