Solid waste multi-stage drying pretreatment device

By designing a combination of a four-way pipe, a filter box, and a fan in a multi-stage drying and pretreatment device for solid waste, the filtration and reuse of waste heat gas were achieved, solving the problem that waste heat gas could not be utilized in existing technologies, reducing energy consumption, and improving the overall efficiency of the device.

CN223965844UActive Publication Date: 2026-03-03LINYI JINDONG ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

In existing multi-stage drying and pretreatment devices for solid waste, the waste heat generated during drying cannot be effectively utilized, leading to increased energy consumption.

Method used

A multi-stage drying and pretreatment device for solid waste was designed. By combining a four-way pipe with a filter box and a fan, the waste heat gas can be filtered and reused, and the waste heat can be used to heat the liquid by the fan.

Benefits of technology

It enables the filtration and reuse of waste heat gases, reduces energy consumption, and improves the overall efficiency of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a solid waste multistage drying pretreatment device, which relates to the technical field of solid waste treatment, and comprises drying pretreatment equipment, a four-way pipe is arranged above the drying pretreatment equipment, three of the four-way pipe is fixedly communicated with the top of the drying pretreatment equipment, the other end of the four-way pipe is fixedly communicated with a filter box, and the filter box is fixedly communicated with a filter screen. A filter plate is arranged in the filter box, and the top of the filter plate penetrates through the top of the filter box and is fixedly connected with a mounting plate. Waste heat in the drying pretreatment equipment can be sucked in from the four-way pipe through the fan, at the moment, waste heat gas can penetrate through the filter plate, the effect of filtering particles in the waste heat gas can be achieved, and therefore the effect of preventing harmful gas from being directly exhausted into the external environment can be achieved; and meanwhile, the filtered waste hot gas can penetrate through the interior of the fixing cylinder through the interior of the U-shaped plate, the effect of heating the liquid in the box body can be achieved, and therefore the effect of reutilizing the waste hot gas can be achieved.
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Description

Technical Field

[0001] This utility model relates to the field of solid waste treatment technology, and in particular to a multi-stage drying and pretreatment device for solid waste. Background Technology

[0002] A multi-stage drying pretreatment device for solid waste is a type of equipment used to treat solid waste, commonly found in fields such as waste incineration, resource recycling, and environmental protection. The main function of this device is to evaporate the moisture in solid waste through multi-stage drying, thereby improving the efficiency of subsequent treatment or utilization.

[0003] Existing multi-stage drying pretreatment devices for solid waste typically discharge the waste heat generated during the multi-stage drying process directly, failing to effectively utilize it and leading to a significant increase in the overall energy consumption of the device. Therefore, a multi-stage drying pretreatment device for solid waste is needed to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to solve the problem in the existing technology that the generated drying waste heat gas is usually discharged directly and cannot be effectively utilized, and to propose a multi-stage drying pretreatment device for solid waste.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a multi-stage drying pretreatment device for solid waste, comprising a drying pretreatment equipment, a four-way pipe above the drying pretreatment equipment, three of the four-way pipes being fixedly connected to the top of the drying pretreatment equipment, a filter box being fixedly connected to the other end of the four-way pipe, a filter plate being provided inside the filter box, the top of the filter plate penetrating the top of the filter box and being fixedly connected to an mounting plate, a fan being fixedly connected to the surface of the filter box, a box body being fixedly connected to one side wall of the drying pretreatment equipment, a connecting pipe being fixedly connected between the fan and the box body, a U-shaped plate being fixedly connected to the top inner wall of the box body near the center, and fixing cylinders being provided at equal intervals on both sides of the U-shaped plate, both ends of the fixing cylinders penetrating the box body and the U-shaped plate and being fixedly connected to them.

[0006] Preferably, a fixing plate is fixedly connected to both ends of the filter box and near the top, and a screw is fixedly connected to the top of each fixing plate. The top of the screw passes through the mounting plate and is threadedly connected to a rotating component.

[0007] Preferably, a handle is fixedly connected to the top of the mounting plate near the center.

[0008] Preferably, both ends of the box are fixedly connected to a box cover, and a smoke exhaust pipe is fixed and connected to one side wall of the box cover near the center.

[0009] Preferably, the top of the box is fixed and connected to an inlet pipe, and one side wall of the box, located below the U-shaped plate, is fixed and connected to an outlet pipe.

[0010] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0011] 1. In this utility model, the waste heat in the drying pretreatment equipment can be drawn in through the four-way pipe by the fan. At this time, the waste heat gas will pass through the filter plate, which can filter the particles in the waste heat gas, thereby preventing harmful gases from being directly discharged into the external environment. At the same time, the filtered waste heat gas will pass through the inside of the U-shaped plate and the inside of the fixed cylinder, which can heat the liquid in the box, thereby achieving the function of reusing the waste heat gas.

[0012] 2. In this utility model, by disengaging the screw through the rotating part, the filter plate can be removed from the filter box by gripping the handle, thereby facilitating the cleaning or replacement of the filter plate. Attached Figure Description

[0013] Figure 1 This utility model provides an overall structural perspective view of a multi-stage drying and pretreatment device for solid waste.

[0014] Figure 2 This utility model provides an overall structural cross-sectional view of a multi-stage drying and pretreatment device for solid waste.

[0015] Figure 3 This utility model provides a partial three-dimensional structural view of a multi-stage drying and pretreatment device for solid waste.

[0016] Figure 4 This utility model presents a three-dimensional view of the filter screen structure of a multi-stage drying pretreatment device for solid waste.

[0017] Legend: 1. Drying pretreatment equipment; 2. Four-way pipe; 3. Filter box; 4. Filter plate; 5. Mounting plate; 6. Handle; 7. Fixing plate; 8. Screw; 9. Rotary part; 10. Fan; 11. Box body; 12. U-shaped plate; 13. Connecting pipe; 14. Fixing cylinder; 15. Box cover; 16. Exhaust pipe; 17. Liquid inlet pipe; 18. Liquid outlet pipe. Detailed Implementation

[0018] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0019] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0020] Example 1, as Figure 1-4 As shown, this utility model provides a multi-stage drying pretreatment device for solid waste, including a drying pretreatment device 1. A four-way pipe 2 is provided above the drying pretreatment device 1. Three of the pipes of the four-way pipe 2 are fixedly connected to the top of the drying pretreatment device 1. The other end of the four-way pipe 2 is fixedly connected to a filter box 3. A filter plate 4 is provided inside the filter box 3. The top of the filter plate 4 passes through the top of the filter box 3 and is fixedly connected to an mounting plate 5. A fan 10 is fixedly connected to the surface of the filter box 3. A box body 11 is fixedly connected to one side wall of the drying pretreatment device 1. A connecting pipe 13 is fixedly connected between the fan 10 and the box body 11. A U-shaped plate 12 is fixedly connected to the inner wall of the top of the box body 11 near the center. Fixed cylinders 14 are provided at equal intervals on both sides of the U-shaped plate 12. Both ends of the fixed cylinders 14 pass through the box body 11 and the U-shaped plate 12 and are fixedly connected to them.

[0021] The overall effect of Embodiment 1 is as follows: a four-way pipe 2 is installed above the drying pretreatment equipment 1, three of which are fixedly connected to the top of the drying pretreatment equipment 1. The other end of the four-way pipe 2 is fixedly connected to a filter box 3. A filter plate 4 is installed inside the filter box 3, which allows waste heat gas to enter the filter box 3 through the four-way pipe 2 and pass through the filter plate 4, thereby achieving the effect of filtering the waste heat gas. A mounting plate 5 is fixedly connected to the top of the filter box 3 through the top of the filter plate 4. A fan 10 is fixedly connected to the surface of the filter box 3. A housing 11 is fixedly connected to one side wall of the treatment equipment 1. A connecting pipe 13 is fixedly connected between the fan 10 and the housing 11. A U-shaped plate 12 is fixedly connected to the inner top wall of the housing 11 near the center. Fixed cylinders 14 are provided at equal intervals on both sides of the U-shaped plate 12. Both ends of the fixed cylinders 14 pass through the housing 11 and the U-shaped plate 12 and are fixedly connected to them. This allows the fan 10 to pass the filtered waste heat gas through the inside of the U-shaped plate 12 and through the inside of the fixed cylinders 14, which can heat the liquid in the housing 11, thereby achieving the function of reusing the waste heat gas.

[0022] Example 2, as Figure 1-4As shown, fixing plates 7 are fixedly connected to both ends of the filter box 3 near the top, and screws 8 are fixedly connected to the top of the fixing plates 7. The top of the screws 8 passes through the mounting plate 5 and is threadedly connected to the rotating parts 9. A handle 6 is fixedly connected to the top of the mounting plate 5 near the center. A box cover 15 is fixedly connected to both ends of the box body 11. A smoke exhaust pipe 16 is fixed and connected to one side wall of the box cover 15 near the center. An inlet pipe 17 is fixed and connected to the top of the box body 11. An outlet pipe 18 is fixed and connected to one side wall of the box body 11 below the U-shaped plate 12.

[0023] The overall effect of embodiment 2 is as follows: Fixing plates 7 are fixedly connected to both ends of the filter box 3 near the top; screws 8 are fixedly connected to the top of each fixing plate 7; the top of each screw 8 passes through the mounting plate 5 and is threadedly connected to a rotating part 9, which can effectively fix the mounting plate 5; a handle 6 is fixedly connected to the top of the mounting plate 5 near the center, which can effectively pull up the disassembled mounting plate 5; a box cover 15 is fixedly connected to both ends of the box body 11; a smoke exhaust pipe 16 is fixedly connected to one side wall of the box cover 15 near the center, which can effectively exhaust exhaust gas; an inlet pipe 17 is fixedly connected to the top of the box body 11; and an outlet pipe 18 is fixedly connected to one side wall of the box body 11 below the U-shaped plate 12, which can effectively allow liquid to enter and exit the box body 11.

[0024] Working principle: The waste heat in the drying pretreatment equipment 1 is drawn in through the four-way pipe 2 by the fan 10. The waste heat gas passes through the filter plate 4, which can filter the particles in the waste heat gas. At the same time, the filtered waste heat gas enters the U-shaped plate 12 through the connecting pipe 13. The waste heat gas in the U-shaped plate 12 passes through the fixed cylinder 14, which can heat the liquid in the box 11, thus achieving the function of reusing the waste heat gas. At the same time, the rotating part 9 disengages from the screw 8, which can be used to hold the handle 6 to remove the filter plate 4 from the filter box 3, thus facilitating the cleaning or replacement of the filter plate 4.

[0025] The wiring diagrams of the drying pretreatment equipment 1 and the fan 10 in this utility model are common knowledge in the field. Their working principle is a well-known technology. The appropriate model is selected according to actual use. Therefore, the control method and wiring layout of the drying pretreatment equipment 1 and the fan 10 will not be explained in detail.

[0026] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A multi-stage drying and pretreatment device for solid waste, comprising drying and pretreatment equipment (1), characterized in that: The drying pretreatment equipment (1) is provided with a four-way pipe (2) above it. Three of the four-way pipes (2) are fixedly connected to the top of the drying pretreatment equipment (1). The other end of the four-way pipe (2) is fixedly connected to a filter box (3). The filter box (3) is provided with a filter plate (4) inside. The top of the filter plate (4) passes through the top of the filter box (3) and is fixedly connected to an installation plate (5). The surface of the filter box (3) is fixedly connected to a fan (10). A box body (11) is fixedly connected to one side wall of the drying pretreatment equipment (1). A connecting pipe (13) is fixedly connected between the fan (10) and the box body (11). A U-shaped plate (12) is fixedly connected to the top inner wall of the box body (11) near the center. Fixed cylinders (14) are provided at equal intervals on both sides of the U-shaped plate (12). Both ends of the fixed cylinders (14) pass through the box body (11) and the U-shaped plate (12) and are fixedly connected to them.

2. The multi-stage drying and pretreatment device for solid waste according to claim 1, characterized in that: The filter box (3) is fixedly connected to both ends and near the top with fixing plates (7), and the top of the fixing plates (7) is fixedly connected with screws (8). The top of the screws (8) passes through the mounting plate (5) and is threadedly connected to a rotating part (9).

3. The multi-stage drying and pretreatment device for solid waste according to claim 1, characterized in that: A handle (6) is fixedly connected to the top of the mounting plate (5) and near the center.

4. The multi-stage drying and pretreatment device for solid waste according to claim 1, characterized in that: Both ends of the box (11) are fixedly connected to the box cover (15), and a smoke exhaust pipe (16) is fixed and connected to one side wall of the box cover (15) near the center.

5. The multi-stage drying and pretreatment device for solid waste according to claim 1, characterized in that: The top of the box (11) is fixed and connected to an inlet pipe (17), and one side wall of the box (11) located below the U-shaped plate (12) is fixed and connected to an outlet pipe (18).