CN-224227760-U - Solid-liquid mixture particle screening, grading and spreading device

CN224227760UCN 224227760 UCN224227760 UCN 224227760UCN-224227760-U

Abstract

The utility model relates to a solid-liquid mixture particle screening, grading and spreading device, and belongs to the technical field of soil treatment. The device comprises a screening box body with an inlet and an outlet, wherein a multi-stage screening mechanism is sequentially arranged in the box body, each stage comprises an inclined screen plate and a driving assembly, the screen plates realize the actions of digging, transporting and throwing through eccentric wheel linkage swinging connecting rods, the mesh sizes of the screen plates are gradually reduced to separate particles with different particle diameters, and oversize materials are conveyed to independent scattering openings through corresponding screw bins. In the working process of the device, small particles preferentially screen and improve soil through a bottom layer, and large particles are sprayed on the surface to strengthen the wind-sand resistance, so that soil fertility improvement and sand fixation effects are synchronously realized. Through the optimal design of the swing path of the sieve plate and the accurate material conveying of the screw bin, the problem that the solid-liquid mixture is difficult to cover in a layering manner in desert control is solved, the separation efficiency and the spreading uniformity are improved, and the device has the characteristics of compact structure, reliable driving and strong applicability, and is suitable for large-scale control of desertification and saline-alkali soil.

Inventors

ZHOU XIAOLEI
NI HOUMING
SHI KEBING
WANG YUXIN

Assignees

江苏爱索新材料科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250414

Claims (7)

1. A solid-liquid mixture particle screening, classifying and spreading device, which is characterized by comprising: the screening box body is provided with a material inlet and a material outlet at two ends respectively; multistage screening mechanism that establishes ties sets gradually in screening box along the material flow direction, and every stage screening mechanism contains: a sloping screen plate having a predetermined mesh size, the installation angle of which is inclined toward the outlet direction; The driving assembly comprises an eccentric wheel group connected with the driving motor and a swinging connecting rod mechanism connected with the sieve plate and the eccentric wheel, wherein the swinging connecting rod is provided with an extension chute and a sliding pin shaft capable of moving along the chute, and the swinging axis of the sieve plate is changed by adjusting the fixed position of the sliding pin shaft in the chute; The screen plate mesh sizes in the multi-stage series screening mechanism are gradually decreased along the material flow direction, and the screen plate mesh sizes are driven by the corresponding driving components to generate periodic swing, so that the material is screened step by step and conveyed in a directional manner; The multi-stage screw bin is correspondingly connected with each stage of screening mechanism, the inlet of each stage of screw bin is in butt joint with the discharge end of the sieve plate, and each stage of screw bin is provided with an independent sprinkling port; wherein, driving motor drive eccentric wheel drives the sieve swing for the sieve is carried out in proper order and is excavated, transport and shed the action.
2. The solid-liquid mixture particle screening and classifying distributing device according to claim 1, wherein the sliding pin is positioned on the adjusting plate, and the sliding pin of the adjusting plate can slide up and down in the chute of the swing connecting rod through the screw motor, so as to adjust the swing axis of the sieve plate.
3. A solid-liquid mixture particle screening and classifying applicator according to claim 1, wherein the swing trajectory of the screen deck is arranged to include three phases performed in sequence: in the digging stage, the digging end of the sieve plate is lowered to the bottom of the screening box body to collect the material to be treated; In the lifting phase, the lifting device is used for lifting the lifting device, the sieve plate is obliquely lifted to push the oversize materials to move towards the screw bin; and in the discharging stage, the discharging end of the sieve plate swings to the position above the feeding hole of the screw bin to finish the transfer of the oversize material.
4. The solid-liquid mixture particle screening and classifying applicator of claim 1, wherein the drive motor drives each eccentric set via a timing belt.
5. The solid-liquid mixture particle screening, classifying and scattering device according to claim 1, wherein the bottom of the screening box body is provided with a concave part at the digging position.
6. The solid-liquid mixture particle screening and classifying and spreading device according to claim 1, wherein a rotating screw is arranged in the screw bin, and the solid-liquid mixture is uniformly conveyed to the corresponding spreading opening through the rotation of the screw.
7. A solid-liquid mixture particle screening and classifying applicator as claimed in claim 1 wherein said screen deck is inclined at an angle of 20 ° to 45 ° toward the outlet.

Description

Solid-liquid mixture particle screening, grading and spreading device Technical Field The utility model relates to a screening, grading and spreading device, in particular to a screening, grading and spreading device for solid-liquid mixture particles. Background In the technology for treating desert and saline-alkali soil by utilizing coal gangue, the coal gangue is crushed to form a solid-liquid mixture, the solid-liquid mixture is conveyed to a region to be treated and then is spread on the desert and the saline-alkali soil, and the coal gangue is utilized to improve the fertility condition of the soil and the air permeability and the water permeability of the soil. In the treatment, the small particle mixture can be applied first and then covered by the solid-liquid mixture with larger particles in sequence. At the moment, larger particles can be on the surface, so that the effects of wind prevention and sand fixation are achieved, and the retention of the solid-liquid mixture on the desert is effectively promoted. Accordingly, those skilled in the art have been directed to developing a solid-liquid mixture particle screening, classifying and dispensing device. Disclosure of utility model In order to achieve the above object, the present utility model provides a solid-liquid mixture particle screening, classifying and spreading device, comprising: the screening box body is provided with a material inlet and a material outlet at two ends respectively; multistage screening mechanism that establishes ties sets gradually in screening box along the material flow direction, and every stage screening mechanism contains: a sloping screen plate having a predetermined mesh size, the installation angle of which is inclined toward the outlet direction; The driving assembly comprises an eccentric wheel group connected with the driving motor and a swinging connecting rod mechanism connected with the sieve plate and the eccentric wheel, wherein the swinging connecting rod is provided with an extension chute and a sliding pin shaft capable of moving along the chute, and the swinging axis of the sieve plate is changed by adjusting the fixed position of the sliding pin shaft in the chute; The screen plate mesh sizes in the multi-stage screening mechanism are gradually decreased along the material flow direction, and the screen plate mesh sizes are driven by the corresponding driving components to generate periodic swing, so that the material is screened stage by stage and conveyed in a directional manner; The multi-stage screw bin is correspondingly connected with each stage of screening mechanism, the inlet of each stage of screw bin is in butt joint with the discharge end of the sieve plate, and each stage of screw bin is provided with an independent sprinkling port; wherein, driving motor drive eccentric wheel drives the sieve swing for the sieve is carried out in proper order and is excavated, transport and shed the action. Further, the sliding pin shaft is positioned on the adjusting plate, and the sliding pin shaft of the adjusting plate can slide up and down in the sliding groove of the swinging connecting rod through the screw rod motor, so that the swinging axle center of the sieve plate is adjusted. Further, the swing track of the screen plate comprises three stages which are sequentially executed, namely a digging stage, a lifting stage and a discharging stage, wherein the digging end of the screen plate is downwards detected to the bottom of the screening box body to collect materials to be treated, the screen plate is obliquely lifted to push the materials on the screen to move to the screw bin, and the discharging end of the screen plate is swung above the feed inlet of the screw bin to finish the transfer of the materials on the screen. Further, the driving motor drives each eccentric wheel group through a synchronous belt. Further, the bottom of the screening box body is correspondingly provided with a concave part at the digging position. Further, a rotary screw is arranged in the screw bin, and the solid-liquid mixture is uniformly conveyed to the corresponding sprinkling opening through rotation of the screw. Further, the sieve plate is obliquely arranged towards the outlet direction, and the inclination angle is 20-45 degrees. The utility model realizes the efficient classified screening and accurate spreading of solid-liquid mixture particles through the design of the multistage serial screening mechanism and the dynamically swinging sieve plates, wherein particles with different particle diameters are separated step by step in the continuous actions of digging, transporting and spreading of the sieve plates, the particles are guided to the corresponding spreading openings through the independent screw bins, so that the priority of the tiny particles for improving the soil fertility is ensured, and the surface layer of the large particles is covered to enhance the windproof and sand-fixing effect. Th