Efficient anti-blocking structure of drum screen for separating building decoration stale garbage

By installing nylon wire cleaners and flexible impact strips on the outside of the drum of the rotary screen, and high wear-resistant polyurethane vibrating balls on the inside, the problem of screen clogging in the rotary screen is solved, achieving efficient separation and reducing labor intensity.

CN223517919UActive Publication Date: 2025-11-07ZHENGZHOU DINGSHENG HI TECH ENERGY ENG TECH CO LTD
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Patent Information

Application Number
CN202422904806.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-11-07
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

Existing rotary drum screens are prone to clogging of screen holes during the screening process when processing old construction and decoration waste with high moisture content, high soil content, and high content of lightweight and flexible materials, leading to separation difficulties.

Method used

A nylon wire cleaner and a flexible striking strip are installed on the outside of the drum of the rotary screen, and four rows of high wear-resistant polyurethane vibrating balls are installed on the inside. Through the combined action of the cleaner and the vibrating balls, the screen is prevented from clogging.

Benefits of technology

It effectively prevents the screen mesh from clogging, ensures efficient separation of materials of different particle sizes, reduces the labor intensity of workers, and improves the economic benefits of enterprises.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an efficient anti-blocking structure of a drum screen for separating stale garbage in building decoration, which comprises a drum screen drum, an isolation cover box is covered outside the drum screen drum, a sweeper is axially arranged on one side of the drum screen drum, the sweeper is mounted on the inner wall of the isolation cover box through an adjustable support frame, and the adjustable support frame is arranged on the inner wall of the isolation cover box. A flexible striking strip is axially arranged on the other side of the drum screen roller, and a vibrating ball is installed on the inner wall of the drum screen roller. By utilizing the combined action of the row of sweepers and the row of flexible striking strips on the outer side of the rotary screen mesh and the four rows of vibrating balls on the inner side of the rotary screen mesh, the phenomenon that meshes of the rotary screen mesh are blocked can be effectively prevented, so that the rotary screen can efficiently separate materials with different particle sizes; labor intensity of workers for frequently cleaning the screen is reduced, and economic benefits of enterprises are increased.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of equipment for separating material according to the size of material particle size, in particular to a kind of high-efficiency anti-blocking structure of drum screen for separating building decoration stale garbage. BACKGROUND

[0002] In the fields of metallurgy, building materials, environmental protection, chemical industry, food, light industry, medicine, etc., material separation or classification equipment is widely used. A drum-type separator usually consists of a long cylindrical screen frame and a rotating drum. The surface of the drum is usually covered with different size screen holes or screen plates for material separation or classification.

[0003] The drum-type separator is generally driven by a shaftless mechanism in the middle, with the power end supported by bearings on the frame and the other end supported by a roller to support the drum body. The mechanism mainly consists of a transmission part, a rotating drum, a frame, a roller part, a screen upper material hopper, a screen lower material hopper, a dust prevention device, and a material distributor. The screen is made of steel wire woven mesh or steel plate mesh. The working process is as follows:

[0004] 1. Material feeding: The material enters the inside of the drum screen through the feeding port.

[0005] 2. Screening process: The drum starts to rotate, and the material on the surface of the drum is subjected to centrifugal force while moving along the length of the drum. Smaller particles will pass through the screen holes or screen plates, while larger particles will be blocked on the screen.

[0006] 3. Classification and separation: According to the size of the screen holes or screen plates, the material is classified into different size levels. Smaller particles pass through the screen holes or screen plates, while larger particles are retained on the inner surface of the drum.

[0007] 4. Discharge: After screening, different size materials move forward along the length of the drum and are discharged from the drum screen through the discharge port.

[0008] The drum screen for separating building decoration stale garbage is a drum screen specifically designed for separating building decoration stale garbage. It is commonly used in the environmental protection industry for recycling and utilizing renewable resources such as building decoration stale garbage. Building decoration stale garbage pollutes the environment and occupies land resources, so it needs to be separated and recycled. The current situation of building decoration stale garbage treatment is urgent, but most of the existing separation and treatment equipment can only classify and separate single or several materials, and cannot be applied to the treatment of various building decoration stale garbage, especially the building decoration stale garbage with high water content, much soil, light material and flexible material. The screen holes are easily blocked during the screening process, causing separation difficulties. SUMMARY

[0009] The utility model discloses a high -efficient anti -blocking structure of drum screen for building decoration stale garbage separation effectively prevents the phenomenon that the mesh of drum screen screen mesh is blocked, guarantees that drum screen carries out the separation work of different particle size material efficiently, alleviates the labor intensity of the worker who often cleans the screen mesh, and increases the economic benefit of enterprise.

[0010] The utility model discloses a high -efficient anti -blocking structure of drum screen for building decoration stale garbage separation effectively prevents the phenomenon that the mesh of drum screen screen mesh is blocked, guarantees that drum screen carries out the separation work of different particle size material efficiently, alleviates the labor intensity of the worker who often cleans the screen mesh, and increases the economic benefit of enterprise.

[0011] A high -efficient anti -blocking structure of drum screen for building decoration stale garbage separation, including drum screen drum, the drum screen drum cover is equipped with the isolating cover box, is provided with the sweeper in the one side shaft direction of drum screen drum, and the sweeper is installed on the inner wall of isolating cover box through adjustable support frame, and the flexible striking strip is provided in the other side shaft direction of drum screen drum, and the vibration beating ball is installed on the inner wall of drum screen drum.

[0012] The above-mentioned high -efficient anti -blocking structure of drum screen for building decoration stale garbage separation, the sweeper is nylon silk sweeper, the adjustable support frame includes the axial support that is fixed on the inner wall of isolating cover box, and the vertical support is installed on one end of axial support, and the vertical support is provided with strip hole, and the rotating shaft both ends of nylon sweeper pass through corresponding strip hole and are fastened on the vertical support through bolt.

[0013] The above-mentioned high -efficient anti -blocking structure of drum screen for building decoration stale garbage separation, the flexible striking strip has a plurality of, and is evenly installed on the rotating shaft, and the both ends of rotating shaft are installed bearing, and the bearing is installed on the inner wall of isolating cover box through bearing seat, and the small -size motor is installed at one end of rotating shaft correspondingly, and the small -size motor drives rotating shaft rotation.

[0014] The above-mentioned high -efficient anti -blocking structure of drum screen for building decoration stale garbage separation, the vibration beating ball is four rows, and the inner wall of drum screen drum is correspondingly radial.

[0015] The above-mentioned high -efficient anti -blocking structure of drum screen for building decoration stale garbage separation, the inner wall of drum screen drum is provided with four rows vibration beating ball mounting bracket in the shaft direction, and the vibration beating ball is hung on vibration beating ball mounting bracket through bolt.

[0016] Compared with the prior art, the utility model has the following technical effects:

[0017] The utility model utilizes the comprehensive effect of one row of sweeper and one row of flexible striking strip on the outside of drum screen screen mesh and four rows of vibration beating balls on the inside of drum screen screen mesh, can effectively prevent the phenomenon that the mesh of drum screen screen mesh is blocked, guarantees that drum screen carries out the separation work of different particle size material efficiently, alleviates the labor intensity of the worker who often cleans the screen mesh, and increases the economic benefit of enterprise. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model structure schematic diagram.

[0019] Figure 2 for Figure 1 A-direction view.

[0020] Figure 3 yes Figure 1 Enlarged view of region B in the middle. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0022] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0023] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0024] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0025] The following is in conjunction with the appendix Figures 1-3 The structure and working process of this utility model will be described in detail.

[0026] The existing rotary drum screen has a support frame 9 at its power end, with a rotating shaft 10 at its center. The rotating shaft is fixed to the frame by bearings. A sprocket 14 is installed on the outside of the power end of the rotary drum screen, and the sprocket 14 is connected to a reducer 11 via a chain 15. The lower part of the other end of the rotary drum screen rests on a support roller 13. Here, the support frame, rotating shaft, and reducer are... Figure 1 The display shows that the chain is... Figure 1Nothing is displayed above. Figure 2 Yes, it is displayed. The working process of a rotary drum screen is as follows: 1. Material feeding: The material enters the interior of the rotary drum screen through the feed inlet. 2. Screening process: The drum begins to rotate, and the material is subjected to centrifugal force on the drum surface, moving along the length of the drum. Smaller particles pass through the screen holes or screen plate, while larger particles are blocked on the screen. 3. Grading and separation: According to the size of the screen holes or screen plate, the material is divided into different size grades. Smaller particles pass through the screen holes or screen plate, while larger particles are retained on the inner surface of the drum. 4. Discharge: After screening, materials of different sizes move forward along the length of the drum and are discharged from the rotary drum screen through the discharge port. This type of rotary drum screen is prone to clogging the screen holes during the screening process for old construction and decoration waste with high water content, high soil content, and high content of lightweight and flexible materials, making separation difficult.

[0027] In response to this situation, this utility model improves the drum of the rotary screen.

[0028] This invention not only improves the drum screen of the above-mentioned structure, but is also applicable to the drum screens of all models of drum separators.

[0029] Combination Figures 1-3 This utility model discloses a highly efficient anti-clogging structure for a rotary screen used in separating aged construction and decoration waste. It includes a rotary screen drum 1. To meet environmental protection requirements, the drum drum is covered by an isolation cover box 7. The entire drum drum is installed within a sealed isolation cover box with a dust collection port, completely eliminating dust and lumpy splashes during the screening process and preventing pollution of the working environment. To prevent clogging of the drum screen, a cleaner 3 is axially installed on one side of the drum drum. The cleaner is mounted on the inner wall of the isolation cover box via an adjustable support frame. Flexible impact strips 5 are axially installed on the other side of the drum drum, and vibrating balls 4 are installed on the inner wall of the drum drum.

[0030] This utility model describes a high-efficiency anti-clogging structure for a rotary screen used in separating aged building waste. The cleaner is a nylon filament cleaner, placed close to the outside of the rotary screen drum. It is used to clean the dirt adhering to the outside of the drum and the fine materials clogging the mesh of the drum. It utilizes the elasticity of the nylon filaments to penetrate deep into the mesh of the drum, removing the fine materials clogging the mesh. As the wear-resistant nylon filaments wear down, an adjustable support frame is used to adjust the nylon filaments inward, allowing the cleaner to continue functioning until it fails and needs replacement. The adjustable support frame includes an axial support 16 fixed to the inner wall of the isolation cover. A vertical frame is installed at one end of each axial support, and each vertical frame has a slotted hole. The two ends of the nylon cleaner's rotating shaft pass through the corresponding slotted holes and are secured to the vertical frame with bolts.

[0031] The flexible beating bar 5 is the other side of the outside of the screen center line of the drum screen drum, and a row of high wear-resistant rubber flexible beating devices is arranged and installed along the screen shaft diameter direction, the width and length of the rubber flexible beating bar are optimized in size according to different drum screen mesh diameters, so that the rubber flexible beating bar can effectively beat the rotating drum screen mesh, and the particle-shaped and powder-shaped substances blocked in the mesh holes are beaten off by the beating and exciting force.

[0032] The flexible beating bar 5 is the other side of the outside of the screen center line of the drum screen drum, and a row of high wear-resistant rubber flexible beating devices is arranged and installed along the screen shaft diameter direction, the width and length of the rubber flexible beating bar are optimized in size according to different drum screen mesh diameters, so that the rubber flexible beating bar can effectively beat the rotating drum screen mesh, and the particle-shaped and powder-shaped substances blocked in the mesh holes are beaten off by the beating and exciting force.

[0033] The flexible beating bar 5 is the other side of the outside of the screen center line of the drum screen drum, and a row of high wear-resistant rubber flexible beating devices is arranged and installed along the screen shaft diameter direction, the width and length of the rubber flexible beating bar are optimized in size according to different drum screen mesh diameters, so that the rubber flexible beating bar can effectively beat the rotating drum screen mesh, and the particle-shaped and powder-shaped substances blocked in the mesh holes are beaten off by the beating and exciting force.

[0034] The flexible beating bar 5 is the other side of the outside of the screen center line of the drum screen drum, and a row of high wear-resistant rubber flexible beating devices is arranged and installed along the screen shaft diameter direction, the width and length of the rubber flexible beating bar are optimized in size according to different drum screen mesh diameters, so that the rubber flexible beating bar can effectively beat the rotating drum screen mesh, and the particle-shaped and powder-shaped substances blocked in the mesh holes are beaten off by the beating and exciting force.

Claims

1. A high-efficiency anti-clogging structure for a rotary screen used for separating aged construction and decoration waste, comprising a rotary screen drum (1), characterized in that: The drum screen drum cover is provided with an isolation cover box (7), a sweeper is arranged axially on one side of the drum screen drum, the sweeper is installed on the inner wall of the isolation cover box through an adjustable support frame, flexible beating strips (5) are arranged axially on the other side of the drum screen drum, and beating balls (4) are installed on the inner wall of the drum screen drum.

2. The high-efficiency anti-blocking structure for the drum screen for separating construction decoration stale garbage according to claim 1, characterized in that: The sweeper is a nylon wire sweeper, the adjustable support frame comprises an axial support frame fixed on the inner wall of the isolation cover box, vertical supports are installed on one end of the axial support frame, strip-shaped holes are arranged on the vertical supports, and the rotating shafts of the nylon wire sweepers are fastened to the vertical supports through bolts after penetrating the corresponding strip-shaped holes.

3. The high-efficiency anti-blocking structure for the drum screen for separating construction decoration stale garbage according to claim 1, characterized in that: The flexible beating strips are a plurality of and are uniformly installed on the rotating shaft, bearings are installed on both ends of the rotating shaft, the bearings are installed on the inner wall of the isolation cover box through bearing seats, small motors are installed on one end of the rotating shaft correspondingly, and the small motors drive the rotating shaft to rotate.

4. The high-efficiency anti-blocking structure for the drum screen for separating construction decoration stale garbage according to claim 1, characterized in that: The beating balls are four rows and correspond to the inner wall of the drum screen drum in the radial direction.

5. The high-efficiency anti-blocking structure for the drum screen for separating construction decoration stale garbage according to claim 4, characterized in that: Four rows of beating ball mounting frames are arranged axially on the inner wall of the drum screen drum, and the beating balls are hung on the beating ball mounting frames through bolts.