A negative pressure adsorption screening device for existing waste

By combining negative pressure adsorption screening equipment with disc sorting and cyclone separator, the problem of lightweight fine plastics flying in waste treatment is solved, and high-quality humus soil sorting is achieved. It is a negative pressure adsorption screening equipment suitable for the field of waste treatment.

CN224423559UActive Publication Date: 2026-06-30GUANGDONG HENGYI ENVIRONMENTAL PROTECTION GRP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG HENGYI ENVIRONMENTAL PROTECTION GRP CO LTD
Filing Date
2025-07-29
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

When sorting humus soil, existing waste treatment equipment easily causes lightweight fine plastics to fly around, affecting the environment and resulting in low sorting quality, leading to the mixing of fine plastics into the humus soil.

Method used

The negative pressure adsorption screening equipment uses a combination of disc sorting mechanism and cyclone separator to remove light and fine plastics through negative pressure adsorption and centrifugal separation technology, thereby improving the screening quality of humus soil.

Benefits of technology

It effectively removes fine plastics from humus, improves sorting quality, and ensures that the fine soil is basically free of impurities, making it suitable for further processing.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224423559U_ABST
    Figure CN224423559U_ABST
Patent Text Reader

Abstract

This utility model discloses a negative pressure adsorption screening device for existing waste, including a support platform, a support frame vertically mounted on the support platform, and a disc sorting mechanism mounted on the support frame. A first transmission mechanism is provided between the disc sorting mechanism and the support frame to carry and transport small particulate waste separated by the disc sorting mechanism. The first transmission mechanism is horizontally mounted on the support platform. A negative pressure adsorption mechanism is provided on one side of the first transmission mechanism to remove light and fine plastics from the small particulate waste screened off by the disc sorting mechanism. A second transmission mechanism is provided on one side of the disc sorting mechanism to carry and transport large particulate waste separated by it. The second transmission mechanism is horizontally mounted at one end of the first transmission mechanism and located at the bottom end of the negative pressure adsorption mechanism.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of waste treatment, and in particular to a negative pressure adsorption screening device for existing waste. Background Technology

[0002] Waste humus is one type of existing waste, and it usually refers to soil conditioner or fertilizer rich in humus that has been transformed from municipal waste (especially organic waste, such as kitchen waste and garden waste) through a biodegradation process. However, existing waste treatment equipment simply relies on the physical method of manually shaking the screen for sorting. During the sorting process, the light and fine plastics in the waste will fly around, affecting the environment. Also, the waste still contains fine plastics, resulting in low screening quality of humus. Therefore, a negative pressure adsorption screening device for existing waste is proposed. Utility Model Content

[0003] To overcome the shortcomings mentioned above, this utility model aims to provide a technical solution that can solve the above problems.

[0004] A negative pressure adsorption screening device for existing waste includes a support platform, a support frame vertically mounted on the support platform, and a disc sorting mechanism mounted on the support frame. A first transmission mechanism is provided between the disc sorting mechanism and the support frame to carry and transport small particulate waste separated by the disc sorting mechanism. The first transmission mechanism is horizontally mounted on the support platform. A negative pressure adsorption mechanism is provided on one side of the first transmission mechanism to remove light and fine plastics from the small particulate waste screened off by the disc sorting mechanism. A second transmission mechanism is provided on one side of the disc sorting mechanism to carry and transport large particulate waste separated therefrom. The second transmission mechanism is horizontally mounted at one end of the first transmission mechanism and located at the bottom end of the negative pressure adsorption mechanism.

[0005] Preferably, the negative pressure adsorption mechanism includes a cyclone tube fixing frame disposed on the second transmission mechanism, a cyclone tube vertically disposed inside the cyclone tube fixing frame and horizontally mounted on the second transmission mechanism, a first pipe connected to one side of the cyclone tube, and a second pipe disposed at the other end of the first pipe and horizontally mounted on the first transmission mechanism, a fan disposed on one side of the cyclone tube fixing frame, a third pipe connected to one side of the fan, and the other end of the third pipe connected to the cyclone tube.

[0006] Preferably, the cyclone is equipped with a discharge valve for discharging the lightweight fine plastic collected inside, and the discharge valve is mounted horizontally on the second transmission mechanism.

[0007] Preferably, the disc sorting mechanism includes a housing disposed above and communicating with the support frame, and the housing is provided with a disc drive main shaft that rotates inside it and a disc driven shaft that drives and cooperates with the disc drive main shaft. Both the disc drive main shaft and the disc driven shaft are provided with disc groups that rotate synchronously with them, and the disc groups are staggered with each other.

[0008] Preferably, both sides of the outer shell are provided with standing platforms for personnel to stand on, and the bottom of the standing platform is provided with a first motor that is connected to the disc drive spindle.

[0009] Preferably, the disc sorting mechanism further includes a discharge pipe, which is vertically located on one side of the bottom end of the housing, and the discharge pipe is connected to the housing and is horizontally mounted on the second transmission mechanism.

[0010] Preferably, the first transmission mechanism includes a second transmission support frame disposed on a support platform, and the second transmission support frame is provided with roller assemblies that roll over its top end. The roller assemblies are all connected to a first transmission belt in a transmission manner. A second motor that is driven to drive the roller assemblies is disposed on one side of the second transmission support frame, and a second pipe is laid horizontally on the first transmission belt.

[0011] Preferably, the second transmission mechanism includes a first transmission support frame disposed on one side of the support platform and spanned across the first transmission mechanism, and the first transmission support frame is provided with a second transmission belt that drives its surface. The first transmission support frame is also provided with mounting plates on both sides of its interior and with material dropping traction inclined plates on both sides of its top end, and the top end of the mounting plate is provided with a flow channel.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: When the waste humus falls into the disc sorting mechanism, the disc sorting mechanism stirs and separates the waste humus. During the stirring process, the small particles of waste separated by the disc sorting mechanism gradually fall out from inside the disc sorting mechanism and onto the first conveying mechanism for transportation. Furthermore, during the process of the small particles of waste being screened onto the first conveying mechanism, the blower adsorbs the lightweight fine plastic particles that are blown out during the screening process. This adsorption is then carried by the airflow through the third pipe into the cyclone separator, and the airflow from the blower into the cyclone separator creates centrifugal force inside the cyclone separator, thereby enabling the cyclone separator to cooperate with... The first and second pipes centrifuge the small particulate waste transported on the first conveying mechanism, thereby removing and collecting the residual lightweight fine plastics in the small particulate waste. This effectively removes fine plastics mixed in with the humus, improving the screening quality of the humus. Large particulate waste that cannot be separated by stirring will gradually move along the transport direction inside the disc sorting mechanism until it falls onto the second conveying mechanism, where it will be transported for further processing by other processing equipment. After the second conveying mechanism has finished transporting the large particulate waste, the negative pressure adsorption mechanism discharges the adsorbed and collected lightweight fine plastics onto the second conveying mechanism for further transport.

[0013] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of a negative pressure adsorption screening device for existing waste.

[0016] Figure 2 This is a schematic diagram of the disc sorting mechanism;

[0017] Figure 3 This is a schematic diagram of the negative pressure adsorption mechanism;

[0018] Figure 4 This is another schematic diagram of a disc sorting mechanism.

[0019] The diagram shows: 1. Standing platform, 2. Housing, 3. Disc drive main shaft, 4. Disc driven shaft, 5. First motor, 6. Discharge pipe, 7. First transmission support frame, 8. First transmission belt, 9. Discharge traction inclined plate, 10. Second transmission belt, 11. Second motor, 12. Roller assembly, 13. Support frame, 14. Mounting plate, 15. Flow channel, 16. Support platform, 17. Second transmission support frame, 18. Cyclone tube fixing frame, 19. First pipe, 20. Second pipe, 21. Cyclone tube, 22. Third pipe, 23. Fan, 24. Discharge valve. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-4 In this embodiment of the present invention, a negative pressure adsorption screening device for stock waste includes a support platform 16, a support frame 13 vertically arranged on the support platform 16, a disc sorting mechanism arranged on the support frame 13, a first transmission mechanism for carrying and transporting small particulate waste sorted by the disc sorting mechanism between the disc sorting mechanism and the support frame 13, and the first transmission mechanism is horizontally mounted on the support platform 16, and a negative pressure adsorption mechanism for removing light and fine plastics from the small particulate waste screened by the disc sorting mechanism is arranged on one side of the first transmission mechanism, and a second transmission mechanism for carrying and transporting large particulate waste sorted by the disc sorting mechanism is arranged on one side of the disc sorting mechanism, and the second transmission mechanism is horizontally mounted at one end of the first transmission mechanism and located at the bottom end of the negative pressure adsorption mechanism;

[0022] Therefore, based on the above combination of institutions, the specific implementation steps are as follows:

[0023] When the waste humus falls into the disc sorting mechanism, the disc sorting mechanism agitates and separates the waste humus. During the agitation process, the small particles of waste separated by the disc sorting mechanism gradually fall out of the disc sorting mechanism and onto the first conveying mechanism for transportation. As the small particles of waste are screened onto the first conveying mechanism, the negative pressure adsorption mechanism adsorbs the small particles of waste during the screening process, thereby removing and collecting any light and fine plastic particles mixed in with the waste. Large particles of waste that cannot be separated by agitation will gradually move along the transport direction inside the disc sorting mechanism until they fall onto the second conveying mechanism, where they will be transported for further processing by other processing equipment. After the second conveying mechanism has finished transporting the large particles of waste, the negative pressure adsorption mechanism discharges the adsorbed and collected light and fine plastic particles onto the second conveying mechanism for further transport.

[0024] The negative pressure adsorption mechanism includes a cyclone cylinder fixing frame 18 mounted on a second transmission mechanism, a cyclone cylinder 21 vertically mounted inside the cyclone cylinder fixing frame 18, and the cyclone cylinder 21 horizontally mounted on the second transmission mechanism. A first pipe 19 is connected to one side of the cyclone cylinder 21, and a second pipe 20 is connected to the other end of the first pipe 19, which is also horizontally mounted on the first transmission mechanism. A fan 23 is mounted on one side of the cyclone cylinder fixing frame 18, and a third pipe 22 is connected to one side of the fan 23. The other end of the third pipe 22 is connected to the cyclone cylinder 21. Thus, when the disc sorting mechanism separates the small particulate material... During the process of the waste falling from the screen to the first conveying mechanism, the blower 23 adsorbs the light and fine plastics that are blown out during the screening of small particulate waste. The plastics flow into the cyclone 21 through the third pipe 22, and the airflow from the blower 23 into the cyclone 21 creates centrifugal force inside the cyclone 21. This causes the cyclone 21, in conjunction with the first pipe 19 and the second pipe 20, to centrifugally separate the small particulate waste transported on the first conveying mechanism. This removes and collects the remaining light and fine plastics from the small particulate waste. The collected light and fine plastics can then be discharged again through the cyclone 21 onto the second conveying mechanism for transport.

[0025] The cyclone 21 is equipped with a discharge valve 24 for discharging the lightweight fine plastic collected inside it. The discharge valve 24 is mounted horizontally on the second transmission mechanism, thereby discharging the lightweight fine plastic inside the cyclone 21 onto the second transmission mechanism through the discharge valve 24.

[0026] The disc sorting mechanism includes a housing 2 disposed above and communicating with the support frame 13. The housing 2 houses a disc drive shaft 3 that rotates within it, and a disc driven shaft 4 that drives and cooperates with the disc drive shaft 3. Both the disc drive shaft 3 and the disc driven shaft 4 are equipped with disc groups (not shown in the figure) that rotate synchronously with them. The disc groups are staggered, so that when the disc drive shaft 3 rotates and drives the disc driven shaft 4 to rotate, the disc groups on the disc drive shaft 3 and the disc driven shaft 4 are staggered. The rotation of the discs causes the garbage humus soil, which is inverted inside the housing 2, to rotate along with the disc drive main shaft 3 and the disc driven shaft 4. The soil is cut off by the discs and bounces evenly, separating small particles of garbage from the garbage humus soil. That is, small particles of garbage smaller than the gaps in the discs fall onto the first transmission mechanism and are sent out during the movement of the discs. The screened material of 5-10mm and below can be screened out. The fine soil that comes out is basically free of impurities, and the large particles of garbage that are not cut off are discharged from the inside of the housing 2 onto the second transmission mechanism along the movement direction of the discs.

[0027] Both sides of the outer shell 1 are horizontally provided with standing platforms 1 for personnel to stand on. The bottom of the standing platform 1 is provided with a first motor 5 that is driven and connected to the disc drive shaft 3. The first motor 5 and the disc drive shaft 3 are driven to rotate at high speed by a belt drive or gear drive device, which simultaneously drives the disc driven shaft 4 to drive. The disc drive shaft 3 and the disc driven shaft 4 rotate at the same time, which drives the disc assembly to rotate, so as to cut off the garbage compost. The disc drive shaft 3 and the disc driven shaft 4 are synchronously driven by a chain link transmission method. The transmission connection method between the above-mentioned mechanisms is not an innovation of this utility model and can be implemented with reference to the existing technology, so it will not be described in detail.

[0028] The disc sorting mechanism also includes a discharge pipe 6, which is vertically located on one side of the bottom end of the housing 2. The discharge pipe 6 is connected to the housing 2 and is horizontally mounted on the second transmission mechanism. Thus, the large particle waste material screened by the disc sorting mechanism can be discharged from its interior to the second transmission mechanism through the discharge pipe 6.

[0029] The first transmission mechanism includes a second transmission support frame 17 mounted on a support platform 16, and the second transmission support frame 17 is provided with roller assemblies 12 that roll over its top. Each roller assembly 12 is connected to a first transmission belt 8 in a transmission manner. A second motor 11 is provided on one side of the second transmission support frame 8 and is connected to the roller assemblies 12 in a drive manner. A second pipe 20 is laid across the first transmission belt 8. The second motor 11 and the roller assemblies 12 are synchronously driven by a chain link transmission method. This transmission connection method is not an innovation of this utility model and can be implemented with reference to existing technology, so it will not be described in detail. When the second motor 11 drives the roller assemblies 12 to roll on the second transmission support frame 8, it drives the first transmission belt 8 to roll, thereby conveying the small particle waste sorted by the disc sorting mechanism.

[0030] The second transmission mechanism includes a first transmission support frame 7 disposed on one side of the support platform 16 and horizontally mounted on the first transmission mechanism. The first transmission support frame 7 is provided with a second transmission belt 10 that drives its surface. The first transmission support frame 7 is also provided with mounting plates 14 on both sides inside and material dropping traction inclined plates 9 on both sides at its top. The top of the mounting plate 14 is provided with a flow channel 15, so that large particulate waste discharged from the disc sorting mechanism falls onto the material dropping traction inclined plates 9. Since the material dropping traction inclined plates 9 are inclined, the large particulate waste slides into the flow channel 15. Since the flow channel 15 is inclined, the large particulate waste inside will flow onto the second transmission belt 10 in sequence, and then the large particulate waste is transported by the second transmission belt 10.

[0031] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.

Claims

1. A negative pressure adsorption screening apparatus for stock refuse, characterized by, The device includes a support platform, a support frame vertically mounted on the support platform, and a disc sorting mechanism mounted on the support frame. A first transmission mechanism is provided between the disc sorting mechanism and the support frame to carry and transport small particulate waste separated by the disc sorting mechanism. The first transmission mechanism is horizontally mounted on the support platform. A negative pressure adsorption mechanism is provided on one side of the first transmission mechanism to remove lightweight fine plastics from the small particulate waste screened off by the disc sorting mechanism. A second transmission mechanism is provided on one side of the disc sorting mechanism to carry and transport large particulate waste separated by it. The second transmission mechanism is horizontally mounted at one end of the first transmission mechanism and located at the bottom end of the negative pressure adsorption mechanism.

2. The negative pressure adsorption screening equipment for existing waste according to claim 1, characterized in that, The negative pressure adsorption mechanism includes a cyclone tube fixing frame mounted on the second transmission mechanism, a cyclone tube vertically mounted inside the cyclone tube fixing frame, and the cyclone tube horizontally mounted on the second transmission mechanism. A first pipe is connected to one side of the cyclone tube, and a second pipe is installed at the other end of the first pipe, and the second pipe is horizontally mounted on the first transmission mechanism. A fan is mounted on one side of the cyclone tube fixing frame, and a third pipe is connected to one side of the fan, and the other end of the third pipe is connected to the cyclone tube.

3. The negative pressure adsorption screening equipment for existing waste according to claim 2, characterized in that, The cyclone is equipped with a discharge valve that discharges the lightweight fine plastics collected inside, and the discharge valve is mounted horizontally on the second transmission mechanism.

4. The negative pressure adsorption screening equipment for existing waste according to claim 1, characterized in that, The disc sorting mechanism includes a housing disposed above and communicating with the support frame, and the housing is provided with a disc drive main shaft that rotates inside it and a disc driven shaft that drives and cooperates with the disc drive main shaft. Both the disc drive main shaft and the disc driven shaft are provided with disc groups that rotate synchronously with them, and the disc groups are staggered with each other.

5. The negative pressure adsorption screening equipment for existing waste according to claim 4, characterized in that, Both sides of the outer shell are horizontally provided with standing platforms for personnel to stand on, and the bottom of the standing platform is provided with a first motor that is connected to the disc drive spindle.

6. The negative pressure adsorption screening equipment for existing waste according to claim 4, characterized in that, The disc sorting mechanism also includes a discharge pipe, which is vertically located on one side of the bottom of the housing, and the discharge pipe is connected to the housing and is horizontally mounted on the second transmission mechanism.

7. The negative pressure adsorption screening equipment for existing waste according to claim 1, characterized in that, The first transmission mechanism includes a second transmission support frame disposed on a support platform, and the second transmission support frame is provided with roller assemblies that roll over its top end. The roller assemblies are all connected to a first transmission belt in a transmission manner. A second motor that is driven to the roller assemblies is disposed on one side of the second transmission support frame, and a second pipe is laid across the first transmission belt.

8. The negative pressure adsorption screening equipment for existing waste according to claim 1, characterized in that, The second transmission mechanism includes a first transmission support frame disposed on one side of the support platform and horizontally mounted on the first transmission mechanism. The first transmission support frame is provided with a second transmission belt that drives its surface. The first transmission support frame is also provided with mounting plates on both sides of its interior and with material dropping traction inclined plates on both sides of its top. The top of the mounting plate is provided with a flow channel.