CN211660491U

CN211660491U - Screening feeding device

Info

Publication number: CN211660491U
Application number: CN202020227836.6U
Authority: CN
Inventors: 刘宝良; 冯晓艳; 南景富; 盖芳芳
Original assignee: Guangdong University of Petrochemical Technology
Current assignee: Guangdong University of Petrochemical Technology
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-10-13
Anticipated expiration: 2030-02-28

Abstract

The utility model discloses a screening and feeding device, which comprises a screening mechanism and a feeding mechanism, wherein the feeding mechanism comprises a storage box and a feeding funnel; each outlet of the screening mechanism is respectively connected with the material storage box; the screening mechanism comprises a roller system screening assembly, a silk screen screening assembly and a round hole screening assembly which are sequentially arranged from top to bottom, and adjacent screening assemblies are V-shaped. The utility model discloses a roller is screening surface, silk screen cloth and round hole screen cloth carry out multistage sorting to the building rubbish after sorting crushing, and the material after screening through multistage is transported to different storage casees respectively according to the size of granularity, guarantees the granularity size and the corresponding ratio of regeneration building materials raw materials to improve the quality of regeneration building materials.

Description

Screening feeding device

Technical Field

The utility model relates to a building rubbish retrieves the field, especially relates to a screening feeding device.

Background

The construction waste refers to the general name of waste soil, waste concrete, waste brick and stone and other wastes generated in the production activities of the construction industry such as the removal, construction, decoration and renovation of various buildings, structures, pipe networks and the like by construction and construction units or individuals. The construction waste can be classified into engineering residue soil, decoration waste, demolition waste, engineering slurry and the like according to the production source; the construction waste can be classified into slag, concrete blocks, broken stone blocks, broken bricks and tiles, waste mortar, slurry, asphalt blocks, waste plastics, waste metals, waste bamboo and wood and the like according to the composition. Along with the acceleration of the industrialization and urbanization processes, the construction industry is rapidly developed, the quantity of the Chinese construction waste is more than one third of the total quantity of the urban waste along with the increase of the quantity of the generated construction waste. China is in the period of high-speed development of economic construction, hundreds of millions of tons of construction wastes are inevitably generated every year, and if the construction wastes are not timely treated and utilized, the adverse effects on the society, the environment and resources are certainly brought.

The main treatment method of the construction waste in China is to bury the construction waste underground, which not only causes a large amount of resource waste, but also causes additional cost increase for the transportation and the landfill of the construction waste, and meanwhile, the landfill also causes pollution to the environment of a landfill site and influences the lives of surrounding residents, and the existing reutilization of the construction waste is generally only to burn or simply crush the construction waste to fill a roadbed, so that the recovery means is single, the consumption is low, and more construction waste generated along with economic construction cannot be treated. At present, the research and the recycling technology for producing the recycled building materials by using the recycled aggregates obtained after crushing and screening the waste concrete in China have achieved certain achievements, but the performance of the recycled products made of the construction wastes cannot reach the expectation of people, and the fundamental reason is that the construction wastes are directly applied to the production of recycled materials after being sorted and crushed, the sizes of particles in the materials generated after crushing are uneven, secondary multi-stage screening is not carried out on the materials, and the particles are added into the raw materials of the recycled building materials in proportion, so that the quality of the recycled building materials is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a screening feeding device to solve the problem that above-mentioned prior art exists, carry out the multistage screening of secondary to the building rubbish after selecting and smashing, and add the raw and other materials of regeneration building materials according to a certain proportion, improve the quality of regeneration building materials.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides a screening and feeding device, which comprises a screening mechanism and a feeding mechanism arranged below the screening mechanism, wherein the feeding mechanism comprises a storage box and a feeding funnel; each outlet of the screening mechanism is connected with the material storage box respectively; screening mechanism including jar body and set up in jar internal from the top down roller system screening subassembly, silk screen screening subassembly and the round hole screening subassembly of installing in proper order, adjacent screening subassembly is the V font and arranges.

The roller system screening assembly comprises a roller system screening surface and an inclined sliding plate right below the roller system screening surface, the screen screening assembly comprises a screen mesh and an inclined sliding plate right below the screen mesh, and the round hole screening assembly comprises a round hole screen and an inclined sliding plate arranged in a V shape with the round hole screen; the roller system screening surface, the screen mesh and the circular hole screen mesh are arranged in a downward inclined mode; the topmost of slide that inclines with jar internal jar wall fixed connection, the bottommost with there is the interval jar wall, just the bottommost of slide that inclines is located the right-hand side of next screening subassembly.

The roller system screening surface comprises a horizontally arranged roller system fixing seat and screening rollers vertical to the roller system fixing seat, and gaps are reserved between the adjacent screening rollers; the aperture of the silk screen is larger than that of the round hole screen and smaller than the distance between the adjacent screening rollers.

Preferably, a stirring mechanism is arranged in the feeding funnel, and a meter is arranged below the feeding funnel.

Preferably, the lower edges of the screen mesh and the circular hole screen mesh are provided with vibration mechanisms.

Preferably, the silk screen and the round hole screen are respectively connected with the inclined sliding plate below the silk screen and the round hole screen through connecting rods.

Preferably, the storage box is provided with a feeding hole, an overflow hole and a discharging hole, and the discharging hole is connected with the feeding funnel; the feed inlet is connected with each outlet of the screening mechanism.

Preferably, the bottom of the storage box is provided with a meter.

Preferably, the roller system screening surface and the inclined sliding plate right below the roller system screening surface are arranged in parallel; the silk screen mesh and the inclined sliding plate right below the silk screen mesh are arranged in parallel.

The utility model discloses a following technological effect: the utility model discloses a roller system screening surface, silk screen and round hole screen carry out multistage sorting to the construction waste after sorting crushing, and the material after passing through multistage screening is transported to different storage casees respectively according to the size of granularity, guarantees the accuracy of granularity size and corresponding proportion in the regeneration building materials; the granularity of the raw materials of the regenerated building materials and the corresponding proportion are ensured, thereby improving the quality of the regenerated building materials.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic structural view of the screening and feeding mechanism of the present invention;

FIG. 2 is a schematic structural view of a roller system screening surface;

FIG. 3 is a front view of a wire mesh screen;

figure 4 is a front view of a round hole screen.

Wherein, 1 is a roller system screening surface, 11 is a roller system fixing seat, 12 is a screening roller, 2 is a screen mesh, 3 is a round hole screen mesh, 4 is an inclined sliding plate, 5 is a tank wall, 6 is a storage box, 61 is a feeding hole, 62 is an overflow outlet, 63 is a discharging hole, 7 is a feeding funnel, 71 is a stirring mechanism, and 72 is a meter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1-4, the utility model provides a screening feeding device, including screening mechanism and the feeding mechanism who sets up in screening mechanism below. Each outlet of the screening mechanism is respectively connected with a material storage box 6; screening mechanism including jar body and set up in jar internal from the top down sets gradually roller system screening subassembly, silk screen screening subassembly and round hole screening subassembly, adjacent screening subassembly is the V font and arranges.

The roller system screening assembly comprises a roller system screening surface 1 and an inclined sliding plate 4 right below the roller system screening surface 1, the screen screening assembly comprises a screen 2 and the inclined sliding plate 4 right below the screen 2, and the round hole screening assembly comprises a round hole screen 3 and an inclined sliding plate 4 arranged in a V shape with the round hole screen 3; the roller system screening surface 1, the screen mesh 2 and the round hole screen mesh 3 are arranged in a downward inclined mode, and the roller system screening surface 1 and an inclined sliding plate 4 right below the roller system screening surface 1 are arranged in parallel; the screen mesh 2 is arranged in parallel with the inclined sliding plate 4 right below the screen mesh 2. The topmost end of the inclined sliding plate 4 is fixedly connected with a tank wall 5 in the tank body, the bottommost end of the inclined sliding plate is spaced from the tank wall 5, and the bottommost end of the inclined sliding plate 4 is located right above the next screening assembly.

The lower edges of the screen mesh 2 and the round hole screen mesh 3 are provided with vibrating mechanisms, the lower edges of the screen mesh 2 and the round hole screen mesh 3 are both in a closed design, vibrating devices are arranged in blank areas at two ends of the screen mesh, and the screen mesh 2 and the round hole screen mesh 3 are respectively connected with an inclined sliding plate 4 below the screen mesh through connecting rods. In the screening overshoot, the vibrating device enables the screen mesh 2, the round hole screen mesh 3 and the inclined sliding plate 4 below the screen mesh and the round hole screen mesh to vibrate, so that the blocking condition is effectively reduced, and the screening efficiency is improved.

The roller system screening surface 1 comprises a roller system fixing seat 11 arranged horizontally and screening rollers 12 vertical to the roller system fixing seat 11, gaps exist between the adjacent screening rollers 12, and the size of the gaps is determined according to different construction wastes; the roller system fixing seat 11 is fixed on the tank wall 5, and the screening roller 12 is driven by a motor; according to different screening materials, one motor can be selected to drive one screening roller 12 to move, or one motor can be selected to drive a plurality of screening rollers 12 to move through a transmission device. Meanwhile, the movement direction of the materials is the same as the axial direction of the screening roller, so that the roller system is not easy to block and operate smoothly, and the screening efficiency is improved. The aperture of the screen mesh 2 is larger than that of the round hole screen mesh 3 and smaller than the distance between the adjacent screening rollers 12.

The feeding mechanism comprises a material storage box 6 and a feeding hopper 7; the storage box 6 is provided with a feed inlet 61, an overflow outlet 62 and a discharge outlet 63, the feed inlet 61 is connected with each outlet of the screening mechanism, the discharge outlet 63 is connected with the feeding hopper 7, and the overflow outlet 62 is connected with an external team through a pipeline or a conveyor belt. The storage case 6 bottom is provided with the counter to set for a limit value, when the counter of storage case bottom reached the limit value, opened overflow outlet 62, made the material that the screening was good transport out storage case 6, when guaranteeing that there is sufficient material in the storage case 6, the condition of exploding the storehouse can not appear.

A stirring mechanism 71 is arranged in the feeding funnel 7, and a meter 72 is arranged below the feeding funnel. The required storage boxes and the number of the storage boxes are determined according to the granularity and the corresponding proportion required by the regenerated building materials, the weight required to be added is determined according to the corresponding proportion, the numerical value of the metering device is set, the accuracy of the granularity and the corresponding proportion in the regenerated building materials is guaranteed, and the quality of the regenerated building materials is effectively improved.

The utility model discloses screening feeding device's working process: the construction waste after sorting and crushing enters a screening device through a feeding port above a screening mechanism, and is screened for the first time by a screening roller 12 in a roller system screening surface 1, so that some materials with larger volume are screened out and discharged out of the screening device through a discharging port; the materials falling onto the inclined sliding plate 4 through the gap between the screening rollers 12 can continue to move under the action of gravity, move to the lowest part and fall to the uppermost end of the screen mesh 2, and the inclined sliding plate 4 is designed to ensure that all the materials falling from the previous screening assembly pass through the second screening assembly, so that the screening thoroughness is ensured; the material selected by the silk screen 2 also falls to the uppermost end of the round hole screen 3 through the inclined sliding plate 4 for the third screening. The materials after passing through the multi-stage screening are respectively conveyed to different storage boxes according to the particle sizes. Determining the required material storage boxes 6 and the number according to the granularity and the corresponding proportion required by the regenerated building materials, determining the weight required to be added according to the corresponding proportion, and setting the numerical value of a meter to ensure the accuracy of the granularity and the corresponding proportion in the regenerated building materials; and a plurality of feeding hoppers are arranged according to the types and the proportions of other materials in the proportion, so that the granularity of the raw materials of the regenerated building materials and the corresponding proportion are ensured, and the quality of the regenerated building materials is ensured.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a screening feeding device, including screening mechanism with set up in the feeding mechanism of screening mechanism below, its characterized in that: the feeding mechanism comprises a storage box (6) and a feeding hopper (7); each outlet of the screening mechanism is respectively connected with the material storage box (6); the screening mechanism comprises a tank body, and a roller system screening assembly, a wire mesh screening assembly and a circular hole screening assembly which are arranged in the tank body from top to bottom in sequence, wherein adjacent screening assemblies are arranged in a V shape;

the roller system screening assembly comprises a roller system screening surface (1) and an inclined sliding plate (4) right below the roller system screening surface (1), the screen screening assembly comprises a screen mesh (2) and the inclined sliding plate (4) right below the screen mesh (2), and the round hole screening assembly comprises a round hole screen mesh (3) and an inclined sliding plate (4) arranged in a V shape with the round hole screen mesh (3); the roller system screening surface (1), the screen mesh (2) and the round hole screen mesh (3) are arranged in a downward inclined manner; the uppermost end of the inclined sliding plate (4) is fixedly connected with a tank wall (5) in the tank body, the lowermost end of the inclined sliding plate is spaced from the tank wall (5), and the lowermost end of the inclined sliding plate (4) is positioned right above the next screening assembly;

the roller system screening surface (1) comprises a roller system fixing seat (11) arranged horizontally and a plurality of screening rollers (12) vertical to the roller system fixing seat (11), and gaps are reserved between the adjacent screening rollers (12); the aperture of the silk screen (2) is larger than that of the round hole screen (3) and smaller than the distance between the adjacent screening rollers (12).

2. The screening charging device according to claim 1, characterized in that: a stirring mechanism (71) is arranged in the feeding funnel (7), and a meter (72) is arranged below the feeding funnel (7).

3. The screening charging device according to claim 1, characterized in that: and the lower edges of the silk screen (2) and the circular hole screen (3) are provided with vibration mechanisms.

4. The screening charging device according to claim 1, characterized in that: the silk screen (2) and the round hole screen (3) are respectively connected with an inclined sliding plate (4) below the silk screen and the round hole screen through connecting rods.

5. The screening charging device according to claim 1, characterized in that: the storage box (6) is provided with a feeding hole (61), an overflow hole (62) and a discharging hole (63), and the discharging hole (63) is connected with the feeding funnel (7); the feed inlets (61) are connected with the outlets of the screening mechanism.

6. The screening charging device according to claim 1, characterized in that: the bottom of the material storage box (6) is provided with a meter (72).

7. The screening charging device according to claim 1, characterized in that: the roller system screening surface (1) and an inclined sliding plate (4) right below the roller system screening surface (1) are arranged in parallel; the silk screen (2) and the inclined sliding plate (4) right below the silk screen (2) are arranged in parallel.