CN210934033U

CN210934033U - Double-deck screening solid-liquid separation equipment

Info

Publication number: CN210934033U
Application number: CN201920953351.2U
Authority: CN
Inventors: 康涛; 文国军; 王玉丹; 王巍; 刘浩杰; 陈方; 邱望德
Original assignee: China University of Geosciences
Current assignee: China University of Geosciences
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-07-07
Anticipated expiration: 2029-06-24

Abstract

The utility model relates to the field of garbage disposal equipment, in particular to a double-layer screening solid-liquid separation device, which comprises a frame, a first feeding channel, a third feeding chute and a screening mechanism, wherein the third feeding chute is arranged at the rear part above the frame, the front end of the third feeding chute is arranged forwards, the rear end of the third feeding chute inclines downwards and extends out of the frame, the third feeding chute is fixedly connected with the frame through a first fixing part, the first feeding channel is provided with a feeding end and a discharging end, the first feeding channel is arranged at the front end of the third feeding chute and is in sliding connection with the frame, a driving mechanism is arranged on the frame and is in transmission connection with the first feeding channel, the driving mechanism drives the first feeding channel to move to the front end close to or far away from the third feeding chute along the front-back direction, the screening mechanism is provided with a feeding end, a liquid substance discharging end and a solid substance discharging end, the third feeding chute is arranged below the third feeding chute and is fixedly connected with the rack.

Description

Double-deck screening solid-liquid separation equipment

Technical Field

The utility model relates to a refuse handling installation field especially relates to a double-deck screening solid-liquid separation equipment.

Background

In real life, immovable solid-liquid mixtures such as urban wastewater, industrial products and wastewater, metallurgical wastewater, infrastructure slurry and the like generated under many conditions are important judgment bases for judging the working process and the construction progress of the wastewater. At present, the separation of solid matter and liquid material is not carried out to unmovable solid-liquid mixture processing mode at home and abroad, but directly discharges the processing, and this makes the regional space environment of the place of solid-liquid mixture become abominable, causes environmental pollution even, consequently, the utility model aims at providing a separation's that solid composition material and liquid composition material go on device in can realizing the solid-liquid mixture.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a double-deck screening solid-liquid separation equipment.

The utility model provides a double-deck screening solid-liquid separation equipment, including frame, first pay-off passageway, third pay-off spout, and screening mechanism and actuating mechanism, the third pay-off spout sets up in the frame top, and its front end sets up forward, and its rear end downward sloping extends to outside the frame, the third pay-off spout through first mounting with frame fixed connection, the first pay-off passageway sets up the front end of third pay-off spout, and with frame sliding connection, actuating mechanism sets up in the frame, and with first pay-off passageway transmission connection, actuating mechanism drives the first pay-off passageway along the fore-and-aft direction move to be close to or keep away from the front end of third pay-off spout, screening mechanism has feed end, liquid substance discharge end and solid substance discharge end, and it sets up the below of third pay-off spout, and with frame fixed connection, work as first pay-off passageway is kept away from when the third pay-off spout, the discharge end of first pay-off passageway with the feed end intercommunication of screening mechanism, first pay-off passageway is used for carrying solid-liquid mixture extremely third pay-off spout or screening mechanism department, screening mechanism is used for separating the liquid material and the solid matter of solid-liquid mixture, the rear end of third pay-off spout the below of the liquid material discharge end and the solid matter discharge end of screening mechanism all is equipped with the device that gathers materials.

Further, the first feeding channel is composed of a first feeding chute and a second feeding chute, the first feeding chute and the second feeding chute are both in strip structures, the third feeding chute is in an L-shaped structure, the rear end of the third feeding chute faces the right side of the rack, the first feeding chute is arranged in front of the front end of the third feeding chute in a forward and backward direction in a downward inclining manner and is fixedly connected with the rack through a third fixing member, the second feeding chute is arranged between the first feeding chute and the third feeding chute, the front end of the second feeding chute is arranged upwards, the rear end of the second feeding chute is arranged in a downward inclining manner and faces the front end of the third feeding chute, the front end of the second feeding chute is connected with the lower end of the rear end of the first feeding chute in a sliding manner and can slide back and forth along the rear end of the first feeding chute, and the first feeding chute, The second feeding chute and the third feeding chute are both positioned on the same inclined plane, and the driving mechanism is in transmission connection with the second feeding chute and drives the rear end of the second feeding chute to be close to or far away from the front end of the third feeding chute.

Further, actuating mechanism includes electronic jar and push pedal, electronic jar sets up the below of first pay-off spout, its actuating lever sets up towards the back to through the second mounting with frame fixed connection, the push pedal is "L" type structure, its horizontal end with the actuating lever fixed connection of electronic jar, its vertical end with the lower extreme fixed connection of second pay-off spout, electronic jar is through its actuating lever drive the push pedal drives second pay-off spout removes along the fore-and-aft direction.

Furthermore, the screening mechanism comprises a first sieve plate, a second sieve plate and a water tank, a support table horizontally arranged is arranged on the frame, the water tank is of a rectangular structure and is hollow, the upper end of the water tank is open, the water tank is obliquely and downwards arranged below the third feeding chute along the front-back direction, the lower end of the water tank is fixed at the upper end of the support table through a plurality of fixing units, the first sieve plate and the second sieve plate are of rectangular structures and are vertically spaced and are obliquely and downwards arranged at the upper end of the water tank along the front-back direction, the left side and the right side of the first sieve plate and the left side and the right side of the second sieve plate are respectively and fixedly connected with the upper ends of the corresponding sides of the water tank through fixing plates, a first sieve plate is arranged on the first sieve plate, a second sieve plate is arranged on the second sieve plate, the aperture of the first sieve plate is larger than that of the second sieve plate, the left rear end of the water tank is provided with a liquid outlet communicated with the inside of the water tank, a guide pipe is arranged at the position of the liquid outlet, the material collecting devices are arranged below the guide groove and the guide pipe, and the lower end of the water tank is provided with an electric vibrator.

Furthermore, the number of the fixing units is four, the fixing units are correspondingly arranged at the lower ends of four right angles of the water tank, each fixing unit comprises a spring and two sleeves, the two sleeves are vertically arranged, one sleeve is arranged at the upper end of the supporting table, the other sleeve is arranged at the lower end of any right angle of the water tank, the two sleeves are positioned on the same straight line, the spring is vertically arranged between the two sleeves, the upper end of the spring is fixedly connected with the sleeve at the lower end of the water tank, and the lower end of the spring is fixedly connected with the sleeve at the upper end of the supporting table.

Furthermore, the collecting device is a collecting barrel, and the collecting barrel is of a cylindrical structure with the lower end closed.

The utility model provides a beneficial effect that technical scheme brought is: (1) a double-deck screening solid-liquid separation equipment, through setting up first pay-off spout, second pay-off spout and third pay-off spout slope, need not manual operation or with the help of the effect of outside electric power facility, just can directly collect in carrying the device that gathers materials with solid-liquid mixture, have advantages such as convenient operation and energy-concerving and environment-protective, and gravity carries power and still has the fast advantage of transport speed, is favorable to improving solid-liquid separation equipment's separation efficiency.

(2) The handle and the caster are arranged, so that the solid-liquid separation device can be conveniently moved at will, and the separation test is not limited by a field.

(3) The screening mechanism has a double screening function so as to improve the screening precision of the screening mechanism, and the first screen, the second screen and the water tank are obliquely arranged, wherein the first screen and the second screen are obliquely arranged, so that on one hand, the solid-liquid mixture is favorably dispersed after falling on the first screen and the second screen, the accumulation of the solid-liquid mixture is prevented, the screening speed of the solid-liquid mixture can be accelerated, on the other hand, the solid substances can be directly conveyed to the notches and the diversion trenches without the help of manual or electric equipment, and the screening mechanism has the advantages of energy conservation and environmental protection; the inclined arrangement of the water tank is also beneficial to the automatic discharge of liquid substances.

(4) Electric vibrator can reach the mesh that improves the screening ability of first screen cloth and second screen cloth through the vibration range that improves the water tank, and then in order to improve the screening speed of screening mechanism.

Drawings

FIG. 1 is a schematic structural diagram of a double-deck screening solid-liquid separation device according to the present invention;

FIG. 2 is a schematic structural diagram of a double-deck screening solid-liquid separation device according to the present invention;

FIG. 3 is a schematic structural diagram of a double-deck screening solid-liquid separation device according to the present invention;

fig. 4 is a schematic structural view of the sieving mechanism of the present invention;

fig. 5 is a schematic structural view of another embodiment of the screening mechanism of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.

Referring to fig. 1-2, an embodiment of the present invention provides a double-deck sieving solid-liquid separation device, which includes a frame 10, a third feeding chute 20, a first feeding channel, a sieving mechanism and a driving mechanism, wherein the frame 10 has a supporting table 13 horizontally disposed thereon, the lower end of the frame 10 is provided with a plurality of casters 14, the upper end of the frame 10 is provided with two first supporting rods 15, the first supporting rods 15 are all made of angle steel, the two first supporting rods 15 are disposed at the upper end of the frame 10 in parallel and spaced left and right directions, a handle 16 disposed along the left and right directions is disposed between the front ends of the two first supporting rods 15, the rear ends of the two first supporting rods are all disposed in a downward-inclined manner, the third feeding chute 20 is of an L-shaped structure and horizontally disposed at the rear portion above the frame 10 along the front and rear direction, and the left and right sides of the third feeding chute are respectively connected and fixed with the two first supporting rods 15 through a first fixing, wherein the first fixing member 21 is also an angle steel, the rear end of the third feeding chute 20 is inclined downward and extends to the outside of the frame 10, the first feeding channel has a feeding end and a discharging end, and is slidably mounted at the upper ends of the two first supporting rods 15, a driving mechanism is arranged between the two first supporting rods 15, the driving mechanism is in transmission connection with the first feeding channel and drives the first feeding channel to move forward and backward to be close to or far away from the front end of the third feeding chute 20, the screening mechanism is arranged below the third feeding chute 20 and is fixedly connected with the frame 10, the screening mechanism has a feeding end, a liquid material discharging end and a solid material discharging end, when the first feeding channel is far away from the third feeding chute 20, the discharging end of the first feeding channel is communicated with the feeding end of the screening mechanism, the first feeding channel is used for conveying the solid-liquid mixture to the third feeding chute 20 or the screening mechanism, the screening device is used for separating liquid substances and solid substances of the solid-liquid mixture, and the material collecting device 30 is arranged at the rear end of the third feeding chute 20 and below the liquid substance discharging end and the solid substance discharging end of the screening mechanism.

In the above embodiment, the solid-liquid mixture enters the first feed channel through the feed end of the first feed channel. When the solid-liquid mixture does not need to be separated into liquid substances and solid substances, the driving mechanism drives the first feeding channel to move to the position close to the front end of the third feeding chute 20, at the moment, the feeding end of the first feeding channel is communicated with the front end of the third feeding chute 20 and conveys the solid-liquid mixture into the third feeding chute 20, and the solid-liquid mixture automatically moves to the rear end of the third feeding chute 20 under the action of gravity and falls into a material collecting barrel arranged at the rear end of the third feeding chute 20 to be collected; when needing the solid-liquid mixture to carry out liquid material and solid matter separation processing, actuating mechanism drives the feed end of first feedstock channel and keeps away from the front end of third feeding spout, at this moment, the discharge end of first feedstock channel and the feed end intercommunication of screening mechanism, first feedstock channel carries the solid-liquid mixture to in the feed end of screening mechanism, liquid material and solid matter among the solid-liquid mixture are carried out the separation processing by screening mechanism, the liquid material is exported from the liquid material discharge end of screening mechanism, and retrieve by establishing the device 30 that gathers materials below the liquid material discharge end, the solid matter is exported from the solid matter discharge end of screening mechanism, and retrieve by establishing the device 30 that gathers materials below the solid matter discharge end. According to the solid-liquid separation device, the third feeding chute 20 is obliquely arranged, so that a solid-liquid mixture can be directly conveyed into the material collecting device 30 for collection without manual operation or under the action of an external electric facility, and the solid-liquid separation device has the advantages of convenience in operation, energy conservation, environmental friendliness and the like, and the gravity conveying power has the advantage of high conveying speed, so that the separation efficiency of the solid-liquid separation device is improved; the handle 16 and the caster 14 are arranged to facilitate the random movement of the solid-liquid separation device, so that the separation test is not limited by the field.

In the above embodiment, the first feeding path is composed of a first feeding chute 40 and a second feeding chute 41, the first feeding chute 40 and the second feeding chute 41 are both in a strip structure, the first feeding chute 40 is obliquely arranged in front of the third feeding chute 20 in the front-back direction, and is fixedly connected to the two first support rods 15 through a third fixing member 44, the front end of the first feeding chute 40 is arranged upward, the rear end of the first feeding chute is obliquely arranged downward, the first feeding chute 40 and the third feeding chute 20 are arranged on the same inclined plane, the second feeding chute 41 is arranged between the first feeding chute 40 and the third feeding chute 20, the front end of the second feeding chute is arranged upward, is slidably connected to the lower end of the rear end of the first feeding chute 40, can slide back and forth along the rear end of the first feeding chute 40, and the rear end of the second feeding chute 41 is obliquely arranged downward and faces the front end of the third feeding chute 20, the first feeding chute 40, the second feeding chute 41 and the third feeding chute 20 are all located on the same inclined plane, and the driving mechanism is in transmission connection with the second feeding chute 41 and drives the rear end of the second feeding chute 41 to be close to or far away from the front end of the third feeding chute 20. The third fixing member 44 includes two angle steels spaced from each other in the front-rear direction at the upper end of the first support rod 15, and the angle steels are arranged in the left-right direction.

In the above embodiment, the front end of the first feeding chute 40 forms the feeding end of the first feeding channel, the rear ends of the second feeding chutes 41 form the discharging ends of the first feeding channel, and the solid-liquid mixture enters the first feeding channel through the front end of the first feeding chute 40. When the solid-liquid mixture does not need to be subjected to liquid material and solid material separation treatment, the driving mechanism drives the second feeding chute 41 to move backwards until the rear end of the second feeding chute is close to the front end of the third feeding chute 20 and is communicated with the front end of the third feeding chute 20; when the solid-liquid mixture is required to be subjected to liquid material and solid material separation treatment, the driving mechanism drives the second feeding chute 41 to move forwards and far away from the front end of the third feeding chute, so that a feeding channel is formed between the second feeding chute 41 and the third feeding chute 20, at the moment, the feeding channel is communicated with the feeding end of the screening mechanism, and the solid-liquid mixture passes through the first feeding chute 40, the second feeding chute 41 and the feeding channel respectively and is conveyed into the feeding end of the screening mechanism. As another embodiment of the first feeding path, the first feeding chute 40 and the second feeding chute 41 may be integrally formed as a feeding chute having a strip structure, and are obliquely arranged on the two first support rods 15 in the front-rear direction, and the rear ends thereof are driven by the driving mechanism to be close to the front end of the third feeding chute 20.

In the above embodiment, the driving mechanism includes an electric cylinder 50 and a push plate 51, the electric cylinder 50 is disposed between the two first support rods 15 along the front-back direction, the driving rod thereof is disposed toward the back, the electric cylinder 50 is fixedly connected to the two first support rods 15 through a second fixing member, the push plate 51 is of an "L" type structure, the horizontal end of the push plate is fixedly connected to the driving rod of the electric cylinder 50, the vertical end of the push plate is fixedly connected to the lower end of the second material feeding chute 41, and the electric cylinder 50 drives the push plate 51 to drive the second material feeding chute 41 to move along the front-back direction through the driving rod thereof. Wherein, the push plate 51 and the second fixing member are both angle steels. The electric cylinder 50 in this embodiment has the advantages of accurate driving direction, high driving speed, convenience in operation and the like.

In the above embodiment, as shown in fig. 3-4, the screening mechanism includes a first screen plate 60, a second screen plate 61 and a water tank 62, the support table 13 is horizontally disposed on the frame 10, the water tank 62 is a rectangular structure, the interior of the water tank 62 is hollow, the upper end of the water tank is open, the water tank 62 is disposed below the third feeding chute 20 in an inclined manner along the front-back direction, the inclined direction of the water tank is inclined from front to back, the lower end of the water tank is fixed on the upper end of the support table 13 through a plurality of fixing units, the first screen plate 60 and the second screen plate 61 are both rectangular structures, the upper end and the lower end of the water tank 62 are spaced and both arranged in an inclined manner along the front-back direction, the left side and the right side of the first screen plate 60 and the right side of the second screen plate 61 are respectively fixedly connected with the upper end of the corresponding, be equipped with second screen cloth 65 on the second sieve 61, the aperture of first screen cloth 64 is greater than the aperture of second screen cloth 65, the rear end of second sieve 61 is equipped with guiding gutter 66, the left rear end of basin 62 is equipped with the play liquid hole rather than inside intercommunication, and liquid outlet department is equipped with pipe 67, guiding gutter 66 with the below of pipe 67 all is equipped with the device 30 that gathers materials, the lower extreme of basin 62 is equipped with electric vibrator 68. The first screen 64, the second screen 65 and the water tank 62 have the same length and width, and the front ends of the first screen and the second screen are located below the rear end of the first feeding chute 40. The lower ends of the left side and the right side of the second sieve plate 61 are fixedly connected with the upper end of the corresponding side of the water tank 62 through bolts and nuts, and the two sides of the first sieve plate 60 and the corresponding side of the second sieve plate 61 are fixedly connected through a vertically arranged strip-shaped fixing plate 63; the guiding gutter 66 includes trapezium structure's baffle and two blocks of curb plates, the baffle slope sets up downwards, the one end of its front end base length with the breach intercommunication, the short one end tilt down of its base of its rear end extends, two the curb plate is vertical setting respectively on two sloping sides of baffle, and with baffle fixed connection, and the height of two blocks of curb plates all extend to and set up between first sieve 60 and second sieve 61 the upper end of fixed plate 63, the front end of guiding gutter 66 reduces to the water conservancy diversion area of rear end gradually, is favorable to concentrating the solid matter in flowing to the device of gathering materials 30 from the rear end of guiding gutter 66, prevents leaking outward of solid matter.

In the above embodiment, the guiding gutter 66 and the duct 67 constitute the discharge end of the solid substance and the discharge end of the liquid substance, respectively; when the solid-liquid mixture passes through the separation of the solid matter and the liquid matter, the solid-liquid mixture falls on the first screen 64 and is double-screened by the first screen 64 and the second screen 65, respectively, to leave the solid matter in the solid-liquid mixture on the first screen 64 and the second screen 65, respectively, while the liquid matter enters the water tank 62 through the first screen 64 and the second screen 65, respectively, under the action of gravity and the double seating of the electric vibrator 68, the solid matter on the first screen 64 and the second screen 65 moves to the corresponding rear ends thereof and falls into the collecting device 30 disposed below the guiding groove 66 through the notch and the guiding groove 66 to be collected by the collecting device 30, while the liquid matter also moves to the lower end of the bottom of the water tank 62 under the action of gravity and flows into the collecting device 30 disposed below the guiding groove 67 through the discharge port and the guiding pipe 67, and collected by the collecting device 30. The screening mechanism in the embodiment has a double screening function so as to improve the screening precision, and the first screen 64, the second screen 65 and the water tank 62 are obliquely arranged, wherein the oblique arrangement of the first screen 64 and the second screen 65 is beneficial to dispersing the solid-liquid mixture after the solid-liquid mixture falls on the first screen 64 and the second screen 65, so that the solid-liquid mixture is prevented from being accumulated, and the screening speed of the solid-liquid mixture can be increased; the inclined arrangement of the water trough 62 also facilitates automatic discharge of liquid substances. The electric vibrator 68 can increase the screening capacity of the first screen 64 and the second screen 65 by increasing the vibration amplitude of the water tank, so as to increase the screening speed of the screening mechanism.

As another embodiment of the screening mechanism, as shown in fig. 5, the screening mechanism includes a first screen plate 60, a second screen plate 61 and a separation box 62, the frame 10 is provided with a support platform 13 disposed horizontally, the separation box 62 is hollow and has an open upper end, and is disposed below the third feeding chute 20 in a front-back direction in an inclined manner, the inclined direction of the separation box is from front to back and is inclined downward, the separation box 62 is fixed on the support platform 13 through a plurality of fixing units, the first screen plate 60 and the second screen plate 61 are both disposed in the separation box 62 in an inclined manner in the front-back direction and are disposed at intervals up and down, the peripheries of the first screen plate 60 and the second screen plate 61 extend to be fixedly connected with four inner side walls of the separation box 62, the first screen plate 60 is provided with a first screen 64, the second screen plate 61 is provided with a second screen 65, just the aperture of first screen cloth 64 is greater than the aperture of second screen cloth 65, the upper portion of separator box 62 rear side is equipped with the rectangle breach rather than inside intercommunication, just the lower extreme of breach extend to with the rear end parallel and level of second screen cloth 65, breach department is equipped with guiding gutter 66, the left rear end of separator box 62 is equipped with rather than the inside liquid hole that communicates, and liquid outlet department is equipped with pipe 67, guiding gutter 66 with the below of pipe 67 all is equipped with the device 30 that gathers materials, the lower extreme of separator box 62 is equipped with electric vibrator 68. Wherein the front end of the separator box 62 is located below the rear end of the first feed chute 40. The guiding gutter 66 includes trapezium structure's baffle and two blocks of curb plates, the baffle slope sets up downwards, the one end of its front end base length with the breach intercommunication, the short one end tilt down extension of its base in its rear end, two the curb plate is vertical setting respectively on two sloping sides of baffle, and with baffle fixed connection, it is close to one side of separator box 62 all with the rear side of separator box 62 is connected fixedly, and the front end of guiding gutter 66 reduces to the water conservancy diversion area of rear end gradually, is favorable to concentrating the solid matter in flowing to the device of gathering materials 30 from the rear end of guiding gutter 66, prevents leaking outward of solid matter.

In the above embodiment, there are 4 fixing units, and the fixing units are correspondingly disposed at the lower ends of four corners of the water tank 62, each fixing unit includes a spring 70 and two sleeves 71, the two sleeves 71 are vertically disposed, one of the sleeves 71 is disposed at the upper end of the supporting platform 13, the other sleeve 71 is disposed at the lower end of any corner of the water tank 62, the two sleeves 71 are located on the same straight line, the spring 70 is vertically disposed between the two sleeves 71, the upper end thereof is fixedly connected to the sleeve 71 at the lower end of the water tank 62, and the lower end thereof is fixedly connected to the sleeve 71 at the upper end of the supporting platform 13. Wherein, brace table 13 can constitute for the steel sheet, also can constitute for the billet that the interval set up about by two, and in this embodiment, brace table 13 constitutes for the billet that the interval set up about two, and this is favorable to alleviateing solid-liquid separation equipment's weight.

In the above embodiment, the material collecting device 30 is a material collecting barrel, and the material collecting barrel is a cylindrical structure with a closed lower end.

In the above embodiment, the solid-liquid separation device further comprises a first control button 71 for controlling the operation of the electric cylinder 50 and a second control button 72 for controlling the electric vibrator 68, and the electric cylinder 50 and the electric vibrator 68 can be correspondingly turned on or off by pressing the first control button 71 and the second control button 72 respectively. Wherein, the connection relation of the first control button and the electric cylinder and the principle of controlling the starting and closing of the electric cylinder are both the prior art, and the connection relation of the second control button and the electric vibrator and the principle of controlling the starting and closing of the electric vibrator are also both the prior art, and are not repeated herein.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The double-layer screening solid-liquid separation device is characterized by comprising a rack (10), a first feeding channel, a third feeding chute (20), a screening mechanism and a driving mechanism, wherein the third feeding chute (20) is arranged above the rack (10), the front end of the third feeding chute is arranged forwards, the rear end of the third feeding chute inclines downwards and extends out of the rack (10), the third feeding chute (20) is fixedly connected with the rack (10) through a first fixing piece (21), the first feeding channel is arranged at the front end of the third feeding chute (20) and is in sliding connection with the rack (10), the driving mechanism is arranged on the rack (10) and is in transmission connection with the first feeding channel, the driving mechanism drives the first feeding channel to move to the front end close to or far away from the third feeding chute (20) along the front-back direction, screening mechanism has feed end, liquid substance discharge end and solid matter discharge end, and it sets up the below of third pay-off spout (20), and with frame (10) fixed connection, work as first pay-off passageway is kept away from when third pay-off spout (20), the discharge end of first pay-off passageway with screening mechanism's feed end intercommunication, first pay-off passageway is used for carrying solid-liquid mixture extremely third pay-off spout (20) or screening mechanism department, screening mechanism is used for separating solid-liquid mixture's liquid substance and solid matter, the rear end of third pay-off spout (20) the below of screening mechanism's liquid substance discharge end and solid matter discharge end all is equipped with aggregate unit (30).

2. The double-deck screening solid-liquid separation device according to claim 1, wherein the first feeding path is composed of a first feeding chute (40) and a second feeding chute (41), the first feeding chute (40) and the second feeding chute (41) are both of a strip structure, the third feeding chute (20) is of an "L" type structure, the rear end of the third feeding chute is disposed toward the right side of the frame (10), the first feeding chute (40) is disposed forward and backward and obliquely downward in front of the front end of the third feeding chute (20) and is fixedly connected to the frame (10) by a third fixing member (44), the second feeding chute (41) is disposed between the first feeding chute (40) and the third feeding chute (20), the front end of the second feeding chute is disposed upward, the rear end of the second feeding chute is disposed downward and is disposed toward the front end of the third feeding chute (20), the front end of the second feeding chute (41) is connected with the lower end of the rear end of the first feeding chute (40) in a sliding mode, the rear end of the first feeding chute (40) can slide back and forth, the first feeding chute (40), the second feeding chute (41) and the third feeding chute (20) are all located on the same inclined plane, and the driving mechanism is in transmission connection with the second feeding chute (41) and drives the rear end of the second feeding chute (41) to be close to or far away from the front end of the third feeding chute (20).

3. The double-layer screening solid-liquid separation device of claim 2, wherein the driving mechanism comprises an electric cylinder (50) and a push plate (51), the electric cylinder (50) is arranged below the first feeding chute (40), a driving rod of the electric cylinder is arranged backwards and is fixedly connected with the rack (10) through a second fixing piece, the push plate (51) is of an L-shaped structure, a horizontal end of the push plate is fixedly connected with the driving rod of the electric cylinder (50), a vertical end of the push plate is fixedly connected with the lower end of the second feeding chute (41), and the electric cylinder (50) drives the push plate (51) through the driving rod of the electric cylinder to drive the second feeding chute (41) to move in the front-back direction.

4. The double-deck screening solid-liquid separation device of claim 1, wherein the screening mechanism comprises a first screen plate (60), a second screen plate (61) and a water tank (62), the frame (10) is provided with a horizontally arranged support table (13), the water tank (62) is of a rectangular structure, the interior of the water tank is hollow, the upper end of the water tank is open, the water tank (62) is arranged below the third feeding chute (20) in a forward and backward inclined manner, the lower end of the water tank is fixed at the upper end of the support table (13) through a plurality of fixing units, the first screen plate (60) and the second screen plate (61) are both of a rectangular structure, the upper end and the lower end of the water tank (62) are arranged at intervals, the lower end of the water tank (62) in an inclined manner in the forward and backward directions, the left side and the right side of the first screen plate (60) and the right side of the second screen plate (61) are respectively fixedly connected with the upper end of the, be equipped with first screen cloth (64) on first sieve (60), be equipped with second screen cloth (65) on second sieve (61), the aperture of first screen cloth (64) is greater than the aperture of second screen cloth (65), the rear end of second sieve (61) is equipped with guiding gutter (66), the left rear end of basin (62) is equipped with the play liquid hole rather than inside intercommunication, and liquid outlet department is equipped with pipe (67), guiding gutter (66) with the below of pipe (67) all is equipped with aggregate device (30), the lower extreme of basin (62) is equipped with electric vibrator (68).

5. The double-deck screening solid-liquid separation device of claim 4, characterized in that said fixed units are provided with four and correspondingly arranged at the lower ends of four corners of said water tank (62), each of said fixed units comprises a spring (70) and two sleeves (71), two of said sleeves (71) are vertically arranged, one of said sleeves (71) is arranged at the upper end of said supporting platform (13), the other of said sleeves (71) is arranged at the lower end of any corner of said water tank (62), and two of said sleeves (71) are positioned on the same straight line, said spring (70) is vertically arranged between two of said sleeves (71), the upper end thereof is fixedly connected with said sleeve (71) at the lower end of said water tank (62), and the lower end thereof is fixedly connected with said sleeve (71) at the upper end of said supporting platform (13).

6. The double-deck screening solid-liquid separation device of claim 1, wherein the aggregate unit (30) is a collecting barrel having a cylindrical structure with a closed lower end.