Earth surface high-temperature sterilization device's soil discharge dust reduction structure
Patent Information
- Application Number
- CN202521941789.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-10
- Publication Date
- 2026-08-21
- Estimated Expiration
- 2035-09-10
AI Technical Summary
现有技术中的土壤高温消毒设备较多,但是基本都是在移动过程中,利用火焰直喷等高温加热作用于地表土壤,而且为了提高对深层土壤的热处理效果,有的设备还在加热前同步对土壤进行铲起或抛扬处理,使得深层土壤暴露至外界并可有效接触高温明火
[0010]本实用新型工作过程如下:
Smart Images

Figure CN224654059U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of agricultural equipment technology, and in particular relates to a soil discharge and dust reduction structure for a surface high-temperature disinfection device. Background Technology
[0002] High-temperature soil sterilization technology differs from traditional pesticide disinfection methods. It utilizes a high-temperature environment to treat the soil, killing pests, insect eggs, viruses, and other microorganisms, as well as removing residual pesticides and other chemical agents. While there are many existing high-temperature soil sterilization devices, most operate on the move, using direct flame injection to heat the surface soil. To improve the heat treatment effect on deeper soil layers, some devices simultaneously shovel or toss the soil before heating, exposing deeper soil to the high-temperature flame. However, this method also generates a large amount of dust, and the high-temperature smoke from the open flame results in a very poor working environment. Utility Model Content
[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a dust removal structure for a high-temperature surface disinfection device. This utility model can effectively reduce dust during operation and at the same time drag and level the heated ground soil, thereby improving the working environment.
[0004] To achieve the above objectives, the present invention provides the following technical solution: A dust suppression structure for a surface high-temperature disinfection device includes a frame with a movable wheel at one end in the length direction and a detachable connection to a traction device at the other end. The top of the frame and both sides in the width direction are covered by heat insulation plates to form a combustion chamber. Several rows of burners are provided on the frame inside the combustion chamber. The frame is also fixed with a soil-shoveling plate at one end near the traction equipment. The soil-shoveling plate is inclined with its bottom end cutting into the ground and its top end away from the traction equipment. Several chains are also provided at the end of the heat insulation plate at the top that is away from the traction equipment. The chains are arranged along the width of the frame and form a dust curtain with its bottom end in contact with the ground.
[0005] Preferably, the top end of the chain is connected to the shaft body, the two ends of the shaft are rotatably mounted on the bracket, and the bracket is fixedly connected to the top surface of the heat insulation plate.
[0006] Preferably, one end of the rotating shaft extends through the corresponding bracket and is perpendicularly connected to the crank handle.
[0007] Preferably, the bracket is further provided with a positioning rack and a spring. The bottom end of the positioning rack is rotatably connected to the bracket via a pin, and the spring is located above the bottom end of the positioning rack and connects the positioning rack and the bracket body.
[0008] Preferably, a positioning gear is also fixedly sleeved on the shaft that extends through the outside of the bracket, and the positioning gear meshes with the positioning rack.
[0009] Preferably, the spring is always in a stretched state.
[0010] The working process of this utility model is as follows: As the traction equipment moves the frame, the bottom edge of the shovel cuts into the ground. The surface soil, pushed upwards by the subsequent movement of the soil, rises along the shovel and falls to the ground, achieving tilling and soil loosening. Simultaneously, the burner's nozzle emits high-temperature flames that contact the soil. The exhaust fumes from the combustion and the dust generated by the falling soil are eventually discharged from the rear of the combustion chamber. Upon contact with the dust curtain formed by the chains, they cannot quickly dissipate and tend to move downwards. The high-temperature exhaust fumes also re-contact the ground soil for secondary heat transfer. Furthermore, the dragging action of the chains on the ground also contributes to soil leveling.
[0011] When this utility model is not in operation or is moving on the road, it can overcome the spring force to separate the positioning rack and the positioning gear. Then, by rotating the shaft with the crank handle, the chain is wound onto the shaft. Then, the spring drives the positioning rack to reset and mesh with the positioning gear, thereby limiting the shaft and preventing the chain from contacting and wearing with the road surface.
[0012] Compared with the prior art, the present invention has the following advantages: The present invention has a simple structure, can effectively reduce dust during the high-temperature burning process, and can also drag and level the heated ground soil to improve the working environment. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the dust suppression structure of the surface high-temperature disinfection device described in a specific embodiment. Figure 2 This is a schematic diagram of the internal structure of the combustion chamber as described in a specific embodiment. Detailed Implementation
[0014] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0015] like Figure 1-2As shown, the combustion chamber structure of a surface high-temperature disinfection device includes a frame 1 with a moving wheel 11 at one end in the length direction and a soil-shoveling plate 12 at the other end. The top of the frame 1 and both sides in the width direction are covered by heat insulation plates 2 to form a combustion chamber. Several rows of burners 14 are provided on the frame 1 inside the combustion chamber. The frame 1 has drawbars 13 on both sides in the width direction. The drawbars 13 pass through the combustion chamber 2 and are detachably connected to the tractor, so that the end of the frame with the shovel plate 12 is set towards the working direction. Several rows of burners 14 are evenly spaced along the length of the frame 1. Each burner 14 is a diesel flame burner, and its oil inlet pipe is equipped with a pump group and passes through the combustion chamber and is connected to the tractor's fuel tank. Two supports 3 are provided at the end of the heat insulation plate at the top away from the traction equipment. A rotating shaft 31 is mounted on the two supports 3. Several chains 32 are connected at equal intervals on the shaft of the rotating shaft 31. One end of the rotating shaft 31 passes through the corresponding support 3 and is provided with a positioning gear 33 and a rocker handle 34 in sequence.
[0016] The bracket 3 is also provided with a positioning rack 36 and a spring 37 that is always in a stretched state. The bottom end of the positioning rack 36 is rotatably connected to the bracket 3 via a pin 35, and the top end is used to mesh with the positioning gear 33. The spring 37 is located above the bottom end of the positioning rack 36 and connects the positioning rack 36 and the bracket 3 frame.
[0017] The bottom end of the chain 32 can contact the ground and form a dust curtain.
[0018] A high-temperature resistant conveyor belt 15 for transporting soil is also rotatably mounted on the frame 1 below the burner 14. The drive shaft 16 of the conveyor belt 15 is connected to the output end 19 of the reducer 17 via a sprocket drive structure 18. The input shaft 110 of the reducer 17 is connected to the PTO shaft of the tractor via a coupling. The shovel plate 12 is inclined and its bottom end is used to cut into the ground surface for shoveling operations, while its top end extends to the top belt body of the connecting conveyor belt 15.
[0019] The working process of this utility model is as follows: The tractor is connected to the frame 1 via the drawbar 13, and the tractor's PTO shaft and the input shaft 110 of the reducer 17 are connected via a coupling, thus completing the connection between the frame 1 and the tractor.
[0020] Then the tractor is driven and the frame 1 is moved in the field. At the same time, the PTO shaft outputs power through the output shaft 110 of the reducer 17. During the rotation of the output shaft 19, the drive shaft 16 of the conveyor belt 15 and the rotation of the conveyor belt 15 are realized through the sprocket transmission structure 18.
[0021] As frame 1 is moved by the tractor: Because the bottom edge of the shovel plate 12 cuts into the ground surface (the cutting depth can be adjusted according to requirements, i.e., adjusting the specific position or size of the shovel plate on the frame), the surface soil moves continuously upward along the shovel plate 12 under the pushing action of the subsequent soil. The soil eventually enters the conveyor belt 15 in the combustion chamber, while the burner 14 sprays high-temperature flames to contact the soil during the movement and perform high-temperature sterilization. When the soil moves to the top of the conveyor belt 15 at the end of the belt drive direction, the soil is thrown out by inertia and falls to the ground after contacting the chain 32, thus indirectly completing the soil loosening process.
[0022] The exhaust fumes from fuel combustion and the dust generated by falling soil will eventually be discharged from the rear of the combustion chamber. Upon contact with the dust curtain formed by chains 32, they cannot dissipate quickly and tend to move downwards. Simultaneously, the high-temperature exhaust fumes will again contact the soil for secondary heat conduction. Furthermore, as chains 32 move, their dragging action on the ground will also contribute to leveling the soil to some extent.
[0023] When this utility model is not in operation or is moving on the road, the positioning rack 36 and positioning gear 33 can be separated by overcoming the elastic force of spring 37. Then, the rotating shaft 31 is rotated by the crank handle 34, and the chain 32 is wound onto the rotating shaft 31. Then, spring 37 drives the positioning rack 36 to reset and engage the positioning gear 33, thereby limiting the rotation shaft 31 and preventing the chain from contacting and wearing with the road surface. The high-temperature resistant conveyor belt described in this embodiment can adopt a metal track structure or a metal-supported mesh belt structure.
Claims
1. A dust suppression structure for a surface high-temperature disinfection device, comprising a frame with a movable wheel at one end along its length and detachably connected to a traction device at the other end, characterized in that, The top of the frame and both sides in the width direction are covered by heat insulation plates to form a combustion chamber, and several rows of burners are provided on the frame inside the combustion chamber; The frame is also fixed with a soil-shoveling plate at one end near the traction equipment. The soil-shoveling plate is inclined with its bottom end cutting into the ground and its top end away from the traction equipment. Several chains are also provided at the end of the heat insulation plate at the top that is away from the traction equipment. The chains are arranged along the width of the frame and form a dust curtain with its bottom end in contact with the ground.
2. The dust suppression structure of the surface high-temperature disinfection device as described in claim 1, characterized in that, The top of the chain is connected to the shaft body, and the two ends of the shaft are rotatably mounted on the bracket, which is fixedly connected to the top surface of the heat insulation board.
3. The dust suppression structure of the surface high-temperature disinfection device as described in claim 2, characterized in that, One end of the rotating shaft passes through the corresponding bracket and is perpendicularly connected to the crank handle.
4. The dust suppression structure of the surface high-temperature disinfection device as described in claim 3, characterized in that, The bracket is also equipped with a positioning rack and a spring. The bottom end of the positioning rack is rotatably connected to the bracket via a pin, and the spring is located above the bottom end of the positioning rack and connects the positioning rack and the bracket body.
5. The dust suppression structure of the surface high-temperature disinfection device as described in claim 4, characterized in that, A positioning gear is also fixedly fitted on the shaft that extends through the outside of the bracket. The positioning gear meshes with the positioning rack.
6. The dust suppression structure of the surface high-temperature disinfection device as described in claim 4, characterized in that, The spring is always in a stretched state.