An organic soil treatment device for soil remediation projects

Abstract

The application discloses a kind of organic soil treatment devices for soil remediation engineering, and relate to soil remediation technical field;The organic soil treatment device for soil remediation engineering, the feed inlet of the pretreatment structure is provided with drying device, and the discharge port of the pretreatment structure is provided with conveying device;The organic soil treatment device for soil remediation engineering is preliminarily crushed by being provided with pretreatment structure, using crushing shaft and rolling hammer, while screening inclined screen is used to screen the soil after primary crushing, and the irregular soil blocks are driven for secondary crushing by cooperating with vertical auger, so that the contaminated soil is repeatedly broken, the soil can be uniformly broken, and the soil can be fully reacted after entering the drying device, thereby improving the processing effect of the device.

Description

Technical Field

[0001] This invention relates to the field of soil remediation technology, specifically to an organic soil treatment device for soil remediation engineering. Background Technology

[0002] Soil pollution is a significant aspect of environmental issues, posing a potential threat to ecosystems and human health. Soil remediation is one way to address soil pollution, and it involves technical measures to restore contaminated soil to its normal function. This is achieved by using physical, chemical, and biological methods to transfer, absorb, degrade, and transform pollutants in the soil, reducing their concentration to acceptable levels, or converting toxic and harmful pollutants into harmless substances. Fundamentally, the technical principles of contaminated soil remediation can include altering the form in which pollutants exist in the soil or how they bind to it, reducing their mobility and bioavailability in the environment, and lowering the concentration of harmful substances in the soil.

[0003] According to the patent publication number CN116412408B, an incineration-type organic soil treatment device for soil remediation engineering proposes that "by sliding the paired toothed scrapers alternately, large clumps of soil are broken into smaller pieces, increasing the soil's heating area and simultaneously stirring the soil to ensure uniform heating and accelerate the treatment of volatile organic compounds in the soil."

[0004] However, the above solution still has some shortcomings in actual use. The solution uses a conveyor belt to crush and dry the soil, but it does not have a secondary crushing structure. As a result, the incompletely crushed soil will gradually clog the device, which will affect the normal operation of the device.

[0005] Furthermore, the solution is ineffective in transporting the treated soil outwards, resulting in a significant reduction in transport efficiency. Summary of the Invention

[0006] This invention provides an organic soil treatment device for soil remediation engineering to solve the problems in the prior art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: an organic soil treatment device for soil remediation engineering, comprising a pretreatment structure, wherein a drying device is provided at the inlet of the pretreatment structure and a conveying device is provided at the outlet of the pretreatment structure;

[0008] The pretreatment structure includes a pretreatment cylinder and a return cylinder. The inner wall of the pretreatment cylinder is provided with a crushing toothed shaft. A falling arc plate is fixedly installed on the inner wall of the pretreatment cylinder. A crushing hammer is provided on the inner side of the falling arc plate. A bearing plate is rotatably connected to the inner wall of the pretreatment cylinder through a rotating shaft. The bearing plate is located directly below the crushing hammer. A screening inclined screen is fixedly connected to the inner wall of the pretreatment cylinder.

[0009] The inner wall of the reflux cylinder is provided with a vertical auger. The connection between the reflux cylinder and the pretreatment cylinder is located below the inclined screen. The reflux cylinder is fixedly connected to a reflux pipe, which is located above the opening of the pretreatment cylinder.

[0010] The drying device includes a drying chamber and a side plate. The drying chamber and the pretreatment cylinder are connected by a connecting pipe. The drying cylinder is fixedly installed on the inner wall of the drying chamber. The inner wall of the pretreatment cylinder is provided with an internal conveyor belt. The inner wall of the side plate is provided with a transverse auger and a flame pipe. The transverse auger is located inside the drying cylinder, and the flame pipe is located above the internal conveyor belt.

[0011] A water storage tank is fixedly installed on the inner wall of the drying chamber, and a heating box is fixedly connected to the outer side of the water storage tank. A spiral heat exchange tube is wound around the surface of the drying cylinder. The water storage tank, the heating box and the spiral heat exchange tube are connected by a circulation pump.

[0012] Furthermore, two guide inclined plates are fixedly installed on the inner wall of the pretreatment cylinder, the crushing hammer is located between the two guide inclined plates, and a blocking strip is fixedly connected to the top of the bearing plate, the blocking strip being located diagonally below the guide inclined plates.

[0013] Furthermore, a discharge pipe is fixedly installed at the discharge port of the drying cylinder. The discharge pipe is located above the built-in conveyor belt, and the output end of the built-in conveyor belt is connected to the conveying device through a guide arc plate.

[0014] Furthermore, a dustproof net is provided at the top of the drying chamber, and ventilation holes are provided on the side of the drying chamber.

[0015] Furthermore, a partition is fixedly connected to the inner wall of the heating box, and an electric heating rod is fixedly installed on the surface of the partition.

[0016] Furthermore, the conveying end surface of the transverse conveyor belt is provided with a guide belt, and the guide belt and the conveying end of the transverse conveyor belt are in the same conveying direction.

[0017] Furthermore, a baffle plate is fixedly installed at the farthest end of the transverse conveyor belt, and a pusher plate is provided at the top end of the transverse conveyor belt, with the pusher plate located in front of the baffle plate.

[0018] Furthermore, the conveying device includes a transverse conveyor belt and a longitudinal conveyor belt, which are connected to each other by a connecting plate.

[0019] Compared with the prior art, the present invention provides an organic soil treatment device for soil remediation engineering, which has the following beneficial effects:

[0020] 1. The organic soil treatment device used in this soil remediation project, through the setting of a pretreatment structure, uses a crushing shaft and a rolling hammer to initially crush the soil located in the pretreatment cylinder. At the same time, a screening inclined screen screens the soil after the initial crushing. In addition, a vertical auger can drive irregular soil clods for secondary crushing, so that the contaminated soil is repeatedly crushed, so that the soil can be crushed evenly, and promotes the soil to react fully after entering the drying device, thereby improving the treatment effect of the device.

[0021] 2. The organic soil treatment device used in this soil remediation project has a drying device. The water in the spiral heat exchange tube is rapidly heated by an electric heating rod and exchanged with the drying cylinder. The soil in the drying cylinder is then conveyed and dried by a horizontal auger. In addition, the burner tube can burn the soil on the built-in conveyor belt, burning and decomposing the last remaining organic matter. The thoroughly dried soil is turned into powder, thus ensuring the treatment effect of the device.

[0022] 3. The organic soil treatment device used in this soil remediation project uses a conveying device. The guide belt guides the soil on the transverse conveyor belt, and the pusher plate pushes the soil from the transverse conveyor belt to the longitudinal conveyor belt, which facilitates the movement of materials and avoids accumulation. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of an organic soil treatment device for soil remediation engineering according to the present invention;

[0024] Figure 2 This is a cross-sectional view of the pretreatment structure of an organic soil treatment device for soil remediation engineering according to the present invention;

[0025] Figure 3 for Figure 2 Enlarged schematic diagram of the structure at point A in the middle;

[0026] Figure 4 This is a cross-sectional view of the drying device of an organic soil treatment apparatus for soil remediation engineering according to the present invention;

[0027] Figure 5 This is a cross-sectional view of the heating box structure of an organic soil treatment device for soil remediation engineering according to the present invention;

[0028] Figure 6 This is a schematic diagram of the conveying device of an organic soil treatment apparatus for soil remediation engineering according to the present invention.

[0029] In the diagram: 1. Pretreatment structure; 101. Pretreatment cylinder; 102. Return cylinder; 103. Crushing toothed shaft; 104. Falling arc plate; 105. Compactor hammer; 106. Guide inclined plate; 107. Bearing plate; 108. Rotating shaft; 109. Blocking bar; 110. Screening inclined screen; 111. Return pipe; 112. Vertical auger; 2. Drying device; 201. Drying chamber; 202. Side plate; 203. Connecting pipe; 204. Drying... 205. Dry cylinder; 206. Transverse auger; 207. Built-in conveyor belt; 208. Outlet arc plate; 209. Water storage tank; 200. Heating box; 210. Electric heating rod; 211. Circulating pump; 212. Spiral heat exchange tube; 213. Feed pipe; 214. Flame pipe; 3. Conveying device; 301. Transverse conveyor belt; 302. Longitudinal conveyor belt; 303. Connecting plate; 304. Guide belt; 305. Baffle plate; 306. Pushing plate. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Please see Figure 1-6This invention discloses an organic soil treatment device for soil remediation engineering, including a pretreatment structure 1. The pretreatment structure 1 has a drying device 2 at its inlet and a conveying device 3 at its outlet. The pretreatment structure 1 includes a pretreatment cylinder 101 and a return cylinder 102. A crushing toothed shaft 103 is provided on the inner wall of the pretreatment cylinder 101. A falling arc plate 104 is fixedly installed on the inner wall of the pretreatment cylinder 101. A crushing hammer 105 is provided on the inner side of the falling arc plate 104. A bearing plate 107 is rotatably connected to the inner wall of the pretreatment cylinder 101 via a rotating shaft 108. The bearing plate 107 is located directly below the crushing hammer 105. A screening inclined screen 110 is fixedly connected to the inner wall of the pretreatment cylinder 101. The inner wall of the return cylinder 102 is provided with a vertical auger 112. The connection between the return cylinder 102 and the pretreatment cylinder 101 is located below the screening inclined screen 110. The return cylinder 102 is fixedly connected to a return pipe 111, which is located above the opening of the pretreatment cylinder 101. By setting up the pretreatment structure 1, the soil in the pretreatment cylinder 101 can be initially crushed by the crushing shaft and the crushing hammer 105. At the same time, the screening inclined screen 110 screens the soil after the initial crushing. In addition, the vertical auger 112 can drive irregular soil clods to be crushed a second time, so that the contaminated soil is repeatedly crushed, so that the soil can be crushed evenly, and the soil can react fully after entering the drying device 2, thereby improving the treatment effect of the device.

[0032] The drying device 2 includes a drying chamber 201 and a side plate 202. The drying chamber 201 and the pretreatment cylinder 101 are connected by a connecting pipe 203. The drying cylinder 204 is fixedly installed on the inner wall of the drying chamber 201. The inner wall of the pretreatment cylinder 101 is provided with an internal conveyor belt 206. The discharge port of the drying cylinder 204 is fixedly installed with a discharge pipe 213, which is located above the internal conveyor belt 206. The inner wall of the side plate 202 is provided with a transverse auger 205 and a flame pipe 214. The transverse auger 205 is located inside the drying cylinder 204, and the flame pipe 214 is located above the internal conveyor belt 206.

[0033] A water storage tank 208 is fixedly installed on the inner wall of the drying chamber 201. A heating box 209 is fixedly connected to the outer side of the water storage tank 208. A spiral heat exchange tube 212 is wound around the surface of the drying cylinder 204. The water storage tank 208, the heating box 209 and the spiral heat exchange tube 212 are connected by a circulation pump 211. A partition is fixedly connected to the inner wall of the heating box 209. An electric heating rod 210 is fixedly installed on the surface of the partition.

[0034] By setting up the drying device 2, the water in the spiral heat exchange tube 212 can be rapidly heated by the electric heating rod 210 and exchanged with the drying cylinder 204. The soil in the drying cylinder 204 is then conveyed and dried by the transverse auger 205. In addition, the flame pipe 214 can burn the soil on the built-in conveyor belt 206, burning and decomposing the last remaining organic matter. The thoroughly dried soil is turned into powder, thus ensuring the treatment effect of the device.

[0035] The conveying device 3 includes a transverse conveyor belt 301 and a longitudinal conveyor belt 302. The transverse conveyor belt 301 and the longitudinal conveyor belt 302 are connected to each other by a connecting plate 303. A guide belt 304 is provided on the conveying end surface of the transverse conveyor belt 301, and the guide belt 304 and the conveying end of the transverse conveyor belt 301 are in the same conveying direction. A baffle plate 305 is fixedly installed at the farthest end of the transverse conveyor belt 301. A pusher plate 306 is provided at the top of the transverse conveyor belt 301, and the pusher plate 306 is located in front of the baffle plate 305.

[0036] By setting up the conveying device 3, the soil on the transverse conveyor belt 301 can be guided and conveyed by the guide belt 304. In addition, the pusher plate 306 can push the soil from the transverse conveyor belt 301 to the longitudinal conveyor belt 302, which facilitates the pushing of materials and avoids the phenomenon of accumulation.

[0037] Specifically, two guide inclined plates 106 are fixedly installed on the inner wall of the pretreatment cylinder 101, the rolling hammer 105 is located between the two guide inclined plates 106, and a blocking strip 109 is fixedly connected to the top of the bearing plate 107. The blocking strip 109 is located diagonally below the guide inclined plates 106.

[0038] In this embodiment, the guide ramp 106 can guide the soil sliding off the falling arc plate 104 onto the bearing plate 107, thereby preventing the soil sliding off the falling arc plate 104 from splashing everywhere.

[0039] Furthermore, the blocking strip 109 can prevent soil from splashing when the compaction hammer 105 impacts the bearing plate 107.

[0040] Specifically, the output end of the built-in conveyor belt 206 is connected to the conveying device 3 via the outgoing arc plate 207.

[0041] In this embodiment, the soil on the built-in conveyor belt 206 can be stably transported to the transverse conveyor belt 301 by using the outgoing arc plate 207.

[0042] Specifically, a dustproof net is provided at the top of the drying chamber 201, and ventilation holes are provided on the side of the drying chamber 201.

[0043] In this implementation plan, the dustproof net and ventilation holes enable the drying chamber 201 to exchange air with the outside air. The heat is used to move upward with the airflow, causing the organic matter attached to the soil to evaporate. The airflow also quickly separates the volatile organic matter from the soil, preventing the volatile organic matter from re-merging with the soil and causing incomplete treatment.

[0044] In use, soil blocks are first put into the pretreatment cylinder 101, and then the crushing tooth shaft 103 and the compaction hammer 105 are driven by an external power supply. The crushing tooth shaft 103 begins to crush the soil blocks, and the crushed soil falls into the two guide inclined plates 106 along the falling arc plate 104, causing the soil to finally fall onto the bearing plate 107. Then the compaction hammer 105 begins to continuously hammer the soil on the bearing plate 107, so that the soil is compacted.

[0045] Next, the rotating shaft 108 is started by an external power supply to rotate, so that the rotating shaft 108 drives the bearing plate 107 to flip, causing the compacted soil to fall automatically from the bearing plate 107.

[0046] The soil then automatically falls onto the screening screen 110. Soil that meets the filtration rules of the screening screen 110 will pass through the screening screen 110 and enter the drying chamber 201, while soil that does not meet the filtration rules of the screening screen 110 will enter the return cylinder 102 along the direction of the screening screen 110. Then, the vertical auger 112 is started by an external power supply, which causes the vertical auger 112 to lift the soil up, so that the soil is sent back into the pretreatment cylinder 101 for secondary crushing.

[0047] The soil entering the drying chamber 201 will fall into the drying cylinder 204. Then, the horizontal auger 205 will be started by an external power source, so that the soil in the drying cylinder 204 will be stirred and transported horizontally at the same time.

[0048] During the transportation process, the circulation pump 211 and the electric heating rod 210 start to work. The circulation pump 211 starts to drive the water to circulate continuously between the water storage tank 208, the heating box 209 and the spiral heat exchange tube 212. The heat generated by the electric heating rod 210 heats the water inside the heating box 209, so that the heated spiral heat exchange tube 212 performs heat exchange treatment on the drying cylinder 204, so that the impurities and organic matter in the soil are dried.

[0049] The dried soil will fall onto the built-in conveyor belt 206 through the feed pipe 213. Then, the fuel-filled flame pipe 214 will be ignited. Flames will then burst out from the outlet of the flame pipe 214, burning the soil on the surface of the built-in conveyor belt 206, burning and decomposing the last remaining organic matter, and turning the thoroughly dried soil into powder.

[0050] The incinerated soil then falls onto the transverse conveyor belt 301 through the guide plate 207. The transverse conveyor belt 301 then begins to move the soil toward the barrier plate 305. The guide belt 304 forms a guide conveying channel on the transverse conveyor belt 301, which enables the soil to be transported in a directional manner, thereby improving the conveying effect.

[0051] As the soil gradually approaches the barrier plate 305, the pusher plate 306 is activated by an external power source, enabling the pusher plate 306 to push the soil from the transverse conveyor belt 301 to the longitudinal conveyor belt 302, which facilitates the pushing of materials and avoids accumulation.

[0052] In summary, the organic soil treatment device for this soil remediation project, through the pretreatment structure 1, utilizes a crushing shaft and a roller 105 to initially crush the soil located in the pretreatment cylinder 101. Simultaneously, a screening screen 110 screens the initially crushed soil. Furthermore, a vertical auger 112 drives irregularly shaped soil clods for secondary crushing, resulting in repeated and uniform crushing of the contaminated soil. This ensures the soil reacts fully upon entering the drying device 2, thereby improving the treatment effect of the device. The drying device 2, using an electric heating rod 210, rapidly heats the water in the spiral heat exchange tube 212 and... The soil in the drying cylinder 204 is subjected to heat exchange treatment, allowing it to be conveyed and dried under the drive of the transverse auger 205. In addition, the burner pipe 214 can burn the soil on the internal conveyor belt 206, burning and decomposing the last remaining organic matter. The thoroughly dried soil is turned into powder, thus ensuring the treatment effect of the device. By setting up the conveying device 3, the guide belt 304 can guide and convey the soil on the transverse conveyor belt 301. In addition, the pusher plate 306 can push the soil from the transverse conveyor belt 301 to the longitudinal conveyor belt 302, which facilitates the pushing of the material and avoids the accumulation of the material.

[0053] All standard parts used in this application can be purchased from the market, and can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art and is common knowledge in the field. Since this application is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail in this application.

[0054] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An organic soil treatment device for soil remediation engineering, comprising a drying device (2), characterized in that: The inlet of the drying device (2) is provided with a pretreatment structure (1), and the outlet of the drying device (2) is provided with a conveying device (3). The pretreatment structure (1) includes a pretreatment cylinder (101) and a return cylinder (102). The inner wall of the pretreatment cylinder (101) is provided with a crushing toothed shaft (103). A falling arc plate (104) is fixedly installed on the inner wall of the pretreatment cylinder (101). A crushing hammer (105) is provided on the inner side of the falling arc plate (104). A bearing plate (107) is rotatably connected to the inner wall of the pretreatment cylinder (101) through a rotating shaft (108). The bearing plate (107) is located at... Directly below the crushing hammer (105), a screening inclined screen (110) is fixedly connected to the inner wall of the pretreatment cylinder (101); a vertical auger (112) is provided on the inner wall of the return cylinder (102); the connection between the return cylinder (102) and the pretreatment cylinder (101) is located above the downward inclined end of the screening inclined screen (110); a return pipe (111) is fixedly connected to the return cylinder (102); the return pipe (111) is located obliquely above the opening of the pretreatment cylinder (101); The drying device (2) includes a drying chamber (201) and a side plate (202). The drying chamber (201) and the pretreatment cylinder (101) are connected by a connecting pipe (203). A drying cylinder (204) is fixedly installed on the inner wall of the drying chamber (201). An internal conveyor belt (206) is provided on the inner wall of the drying chamber (201). A transverse auger (205) and a flame pipe (214) are provided on the inner wall of the side plate (202). Inside the drying cylinder (204), the flame pipe (214) is located above the built-in conveyor belt (206); a water storage tank (208) is fixedly installed on the inner wall of the drying chamber (201), and a heating box (209) is fixedly connected to the outer side of the water storage tank (208); a spiral heat exchange tube (212) is wound around the surface of the drying cylinder (204); the water storage tank (208), the heating box (209) and the spiral heat exchange tube (212) are connected by a circulating pump (211); The inner wall of the pretreatment cylinder (101) is fixedly installed with two guide inclined plates (106), the rolling hammer (105) is located between the two guide inclined plates (106), the top of the bearing plate (107) is fixedly connected with a blocking strip (109), and the blocking strip (109) is located diagonally below the guide inclined plates (106); the top of the drying box (201) is provided with a dustproof net, and the side of the drying box (201) is provided with ventilation holes; The discharge port of the drying cylinder (204) is fixedly equipped with a discharge pipe (213), which is located above the built-in conveyor belt (206). The output end of the built-in conveyor belt (206) is connected to the conveying device (3) through the guide arc plate (207).

2. The organic soil treatment device for soil remediation engineering according to claim 1, characterized in that: The inner wall of the heating box (209) is fixedly connected to a partition, and an electric heating rod (210) is fixedly installed on the surface of the partition.

3. The organic soil treatment device for soil remediation engineering according to claim 1, characterized in that: The conveying device (3) includes a transverse conveyor belt (301) and a longitudinal conveyor belt (302).

4. The organic soil treatment device for soil remediation engineering according to claim 3, characterized in that: The conveying end surface of the transverse conveyor belt (301) is provided with a guide belt (304), and the guide belt (304) and the conveying end of the transverse conveyor belt (301) are in the same conveying direction.

5. An organic soil treatment device for soil remediation engineering according to claim 4, characterized in that: A baffle plate (305) is fixedly installed at the farthest end of the transverse conveyor belt (301), and a pusher plate (306) is provided at the top of the transverse conveyor belt (301), with the pusher plate (306) located in front of the baffle plate (305).

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