Rapid screening device for mixed garbage
The hybrid waste screening device, designed with spiral feeding ribs and electromagnetic components, automatically screens ironware, solving the problems of manual cleaning and poor screening in existing devices, and achieving efficient and automated screening.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-07
- Publication Date
- 2026-04-10
AI Technical Summary
Existing waste sorting devices require manual intervention to clean the iron objects on the electromagnets, and the sorting effect is not good, especially for small iron objects.
The design employs a spiral feeding rib and a cylindrical tube with built-in electromagnetic components. The electromagnet attracts the iron, which then falls off after the cylindrical tube rotates to a high position and is de-energized. Combined with a C-shaped conductive component and a slide, automatic screening is achieved.
It improves the screening effect of ironware, reduces manual operation steps, and enhances screening efficiency and convenience.
Smart Images

Figure CN224100902U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of garbage screening device. BACKGROUND
[0002] In the garbage incineration power plant, the garbage is screened before entering the furnace for incineration, one of the screening is to screen out the ironware such as screw, nut, iron nail mixed in the garbage, to realize the recycling of the value part of the garbage.
[0003] The existing screening device comprises a conveying belt and a crane, the lifting end of the crane is provided with an electromagnet, the electromagnet is located above the conveying belt, the garbage passes below the electromagnet under the action of the conveying belt, the ironware is attracted by the electromagnet and fixed on the electromagnet, and the remaining garbage continues to move to the discharge end of the conveying belt.
[0004] The existing screening device can screen out most of the ironware in the garbage, but there are certain defects, when the ironware adsorbed on the electromagnet reaches a certain amount, in order to keep the garbage passing smoothly below the electromagnet, the ironware on the electromagnet needs to be cleaned down, the specific way is to stop the conveying belt first, use the crane to lift the electromagnet and move the electromagnet away from above the conveying belt, then stop the power supply of the electromagnet, the ironware on the electromagnet will fall off, then the electromagnet is moved to above the conveying belt by the crane, the electromagnet and the conveying belt are started, and the ironware continues to be adsorbed. The existing screening device needs manual intervention to clean the ironware from the electromagnet, which leads to more troublesome use.
[0005] In the existing screening device, the garbage and the conveying belt remain relatively stationary, some ironware with small mass and located at the bottom of the garbage are difficult to be attracted by the electromagnet due to the compression of the remaining garbage, which leads to poor screening effect. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a kind of mixed garbage rapid screening device. The utility model has the advantages of good screening effect and convenient use.
[0007] The technical scheme of the utility model: a kind of mixed garbage rapid screening device, including the horizontal setting cylindrical pipe, the bottom of cylindrical pipe is equipped with driving mechanism and support mechanism, spiral feeding rib is equipped on the inner wall of cylindrical pipe, the inside of cylindrical pipe is equipped with inclined slide, one end of slide extends cylindrical pipe, electromagnetic assembly is embedded in the peripheral wall of cylindrical pipe, one end of cylindrical pipe is equipped with ring seat fixed with ground, C-shaped conducting assembly is equipped on the end face of ring seat towards cylindrical pipe, one end of conducting assembly is located at the top of ring seat, one side of conducting assembly is equipped with contact piece assembly fixed with cylindrical pipe, electromagnetic assembly is connected with contact piece assembly.
[0008] The electromagnetic assembly is multiple, and the multiple electromagnetic assemblies are evenly distributed in the circumferential direction of the axis of the cylindrical pipe.
[0009] The electromagnetic assembly is multiple, and the multiple electromagnetic assemblies are evenly distributed in the circumferential direction of the axis of the cylindrical pipe.
[0010] The driving mechanism comprises a motor fixed to the ground, and a gear wheel is arranged at the output end of the motor.
[0011] The support mechanism comprises multiple linearly arranged support units, and each support unit comprises a follower wheel arranged at the bottom of the cylindrical pipe.
[0012] The cross section of the slide is V-shaped.
[0013] Compared with the prior art, the cylindrical pipe with the spiral feeding rib inside is used to convey the garbage, when the cylindrical pipe rotates, the garbage rolls and advances in the cylindrical pipe, and the ironware in the garbage can be better screened out, and the screening effect is good; the electromagnetic assembly is embedded in the peripheral wall of the cylindrical pipe, so that the ironware can be adsorbed on the inner wall of the cylindrical pipe and moved to a high position along with the rotation of the cylindrical pipe; the C-shaped conductive assembly is arranged at the end of the cylindrical pipe, so that the electromagnetic assembly loses power after the ironware is moved to the high position, and the ironware can freely fall into the slide and be discharged through the slide, realizing the screening of the ironware, and reducing the manual intervention steps in the whole screening process, so that the use of the utility model is more convenient. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is a front view structural schematic diagram of the utility model.
[0015] Figure 2 is a left view structural schematic diagram of the utility model.
[0016] Figure 3 is a structural schematic diagram of the conductive assembly.
[0017] Figure 4 is a distribution schematic diagram of the contact patch assembly on the end face of the cylindrical pipe.
[0018] The marks in the drawings are: 1-cylindrical pipe, 2-feeding rib, 3-slide, 4-ring seat, 5-conductive assembly, 6-contact patch assembly, 7-electromagnet, 8-motor, 9-gear wheel, 10-gear ring, 11-follower wheel, 12-wheel frame. DETAILED DESCRIPTION
[0019] The utility model will be further explained in connection with the drawings and examples below, but not as the basis for limiting the utility model.
[0020] Embodiment: a kind of mixed garbage rapid screening device, as shown in Figure 1 And Figure 2 Shown, including horizontally arranged cylindrical pipe 1, the left side of cylindrical pipe 1 is feed end, the right side of cylindrical pipe 1 is discharge end, the bottom of cylindrical pipe 1 is equipped with driving mechanism and support mechanism, the inner wall of cylindrical pipe 1 is equipped with helical feeding rib 2, the inside of cylindrical pipe 1 is equipped with inclined slide 3, slide 3 is high on the left and low on the right, slide is fixed with ground through corresponding support ( Figure 1 Omitted) with ground, one end of slide 3 extends cylindrical pipe 1, the section of slide 3 is V-shaped.
[0021] Three electromagnetic assemblies are embedded in the peripheral wall of the cylindrical pipe 1, and the three electromagnetic assemblies are evenly distributed circumferentially around the axis of the cylindrical pipe 1; the electromagnetic assembly is composed of a plurality of electromagnets 7 connected in parallel, so that the remaining electromagnets 7 can still be used normally after any one electromagnet 7 fails; the plurality of electromagnets 7 are arranged in a straight line and the arrangement direction is parallel to the axis of the cylindrical pipe 1.
[0022] One end of the cylindrical pipe 1 is provided with a ring seat 4 fixed to the ground, and the end face of the ring seat 4 facing the cylindrical pipe 1 is provided with a C-shaped conductive assembly 5, the included angle of the conductive assembly 5 is between 220°-270°, one end of the conductive assembly 5 is located at the top of the ring seat 4, and the conductive assembly 5 is provided with three contact piece assemblies 6 fixed to the cylindrical pipe 1 on one side, and the three electromagnetic assemblies are connected to the three contact piece assemblies 6 respectively.
[0023] The form of the conductive assembly 5 and the contact piece assembly 6 is determined according to the energization state of the electromagnet 7, for example, when the electromagnet 7 uses a direct current power supply, as shown in Figure 3 The conductive assembly 5 is composed of two C-shaped copper bars, the two copper bars are uniformly spaced, the contact piece assembly 6 is correspondingly composed of two copper springs, the two copper springs are connected to the positive and negative poles of the electromagnet 7 respectively, and the positions of the two copper springs correspond to the positions of the two copper bars respectively. If the electromagnet 7 uses a three-phase alternating current power supply, the conductive assembly 5 is composed of three copper bars, and the contact piece assembly 6 is composed of three copper springs.
[0024] The driving mechanism includes a motor 8 fixed to the ground, a gear 9 is arranged on the output end of the motor 8, and a gear ring 10 fixed to the cylindrical pipe 1 is arranged on one side of the gear 9. The support mechanism includes a plurality of linearly arranged support units, the support unit includes a follower 11 located on both sides of the bottom of the cylindrical pipe 1, the follower 11 is connected to the ground through a wheel frame 12, the follower 11 is rotatably connected to the wheel frame 12, and the wheel frame 12 is fixed to the ground.
[0025] Working principle: motor 8 drives gear 9 to rotate, gear 9 drives cylindrical pipe 1 to rotate through gear ring 10. Garbage enters from the left side of cylindrical pipe 1, slowly moves to the right under the action of feeding rib 2, and due to the rotating state of cylindrical pipe 1, the garbage also rolls.
[0026] When the electromagnetic assembly operates to the low position, the conductive assembly 5 has connected the contact piece assembly 6, the electromagnetic assembly is located at the bottom of the garbage and is closest to the garbage, the corresponding electromagnet 7 adsorbs the iron in the garbage, the iron continues to rotate upwards along with the cylindrical pipe 1, and until reaches the high position, at this time, the contact piece assembly 6 on the electromagnetic assembly is separated from the conductive assembly 5, the corresponding electromagnet 7 is disconnected, loses the adsorption force on the iron, and the iron falls onto the slide 3 and slides out of the cylindrical pipe 1, realizing the screening of the iron from the garbage.
[0027] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
Claims
1. A rapid screening device for mixed waste, characterized in that: The device includes a horizontally arranged cylindrical tube (1), a driving mechanism and a support mechanism at the bottom of the cylindrical tube (1), a spiral feeding rib (2) on the inner wall of the cylindrical tube (1), an inclined slide (3) inside the cylindrical tube (1), one end of the slide (3) extending out of the cylindrical tube (1), an electromagnetic component embedded in the peripheral wall of the cylindrical tube (1), a ring seat (4) fixed to the ground at one end of the cylindrical tube (1), a C-shaped conductive component (5) on the end face of the ring seat (4) facing the cylindrical tube (1), one end of the conductive component (5) located at the top of the ring seat (4), a contact assembly (6) fixed to the cylindrical tube (1) on one side of the conductive component (5), and the electromagnetic component connected to the contact assembly (6).
2. The rapid screening device for mixed waste according to claim 1, characterized in that: There are multiple electromagnetic components, which are evenly distributed around the axis of the cylindrical tube (1).
3. The rapid screening device for mixed waste according to claim 1, characterized in that: The electromagnetic component consists of multiple electromagnets (7) connected in parallel, with the multiple electromagnets (7) arranged in a straight line and the arrangement direction parallel to the axis of the cylindrical tube (1).
4. The rapid screening device for mixed waste according to claim 1, characterized in that: The drive mechanism includes a motor (8) fixed to the ground, and a gear (9) is provided at the output end of the motor (8). A gear ring (10) fixed to the cylindrical tube (1) is provided on one side of the gear (9).
5. The rapid screening device for mixed waste according to claim 1, characterized in that: The support mechanism includes multiple support units arranged in a straight line. Each support unit includes follower wheels (11) located on both sides of the bottom of the cylindrical tube (1). The follower wheels (11) are connected to the ground through wheel frames (12).
6. The rapid screening device for mixed waste according to claim 1, characterized in that: The slide (3) has a V-shaped cross section.