A severely polluted soil remediation device and remediation method thereof

Abstract

The invention discloses a heavily contaminated soil remediation device and a remediation method thereof, comprising: a vehicle frame; four wheel assemblies, the four wheel assemblies are arranged in an array, and the four wheel assemblies are rotatably mounted on the vehicle frame; a first rotating shaft, the first rotating shaft is horizontally rotatably mounted on the vehicle frame; and a plurality of blades, the plurality of blades are spaced apart and mounted on the first rotating shaft. The invention has a good remediation effect.

Description

Technical Field

[0001] The present invention relates to the technical field of soil remediation, and in particular to a heavily polluted soil remediation device and a remediation method thereof. Background Art

[0002] Soil contamination, especially contamination of agricultural soils, can be caused by many things, including, for example, the presence of non-naturally occurring substances in the natural soil environment. Contamination can be caused by, for example, leaking underground oil storage tanks, the use of pesticides, the penetration of contaminated surface water into underground formations, oil and fuel discharges, leaching of waste from landfills, or direct discharge of industrial waste into the soil. Some common substances found in contaminated soil include petroleum hydrocarbons, solvents, pesticides, lead and other heavy metals.

[0003] A soil remediation agent spraying device for soil remediation is disclosed in Chinese Patent Application No.: 202010739896.0, which specifically relates to the field of soil remediation technology, including an outer frame and a push handle, a base and a support seat, a driving mechanism is provided at the bottom of the base, a universal wheel is fixedly connected to the other side of the bottom of the base, a push handle is welded to one side of the top of the base, and a controller is fixedly connected to one side of the push handle. The present invention is provided with a telescopic structure on one side of the base, and the water pump draws out the liquid inside the water tank through a water pipe and sprays it onto the soil through a nozzle through a fixed frame. This technical solution can only repair the soil surface, but cannot repair the lower soil. In view of this, the present application is proposed. Summary of the invention

[0004] In order to solve at least one of the technical problems existing in the background technology, the present invention provides a heavily contaminated soil remediation device and a remediation method thereof.

[0005] The present invention provides a heavily contaminated soil remediation device, comprising:

[0006] Frame;

[0007] Four wheel assemblies, the four wheel assemblies are distributed in an array, and the four wheel assemblies are rotatably mounted on the frame;

[0008] a first rotating shaft, the first rotating shaft being horizontally rotatably mounted on the frame;

[0009] A plurality of blades, wherein the plurality of blades are installed on the first rotating shaft at intervals;

[0010] A first motor, wherein the first motor is mounted on the vehicle frame, and an output end of the first motor is connected to the first rotating shaft;

[0011] Connecting rope;

[0012] A pressing plate, the pressing plate is located behind the first rotating shaft, and the pressing plate is movably connected to the frame through the connecting rope;

[0013] a first material supply box, wherein the first material supply box is arranged on the frame;

[0014] A repair mechanism, wherein the repair mechanism is arranged on the frame, the repair mechanism is connected to the first feed box, and the repair mechanism has a first liquid outlet, and the first liquid outlet is located between the blade and the pressure plate.

[0015] Preferably, the repair mechanism comprises:

[0016] A first batching box, wherein the first batching box is arranged on the frame;

[0017] A first connecting pipe, wherein two ends of the first connecting pipe are respectively connected to the first material supply box and the first material distribution box;

[0018] a first valve, wherein the first valve is installed on the first connecting pipe;

[0019] A mounting plate connected to the vehicle frame;

[0020] A plurality of repair parts are arranged at intervals, and the repair parts include:

[0021] a first hose, wherein a first end of the first hose is in communication with the first ingredient tank;

[0022] a first outer tube, the first outer tube being mounted on the mounting plate and having a first end connected to the second end of the first hose;

[0023] A second outer tube, wherein the first end of the second outer tube is connected to the second end of the first outer tube; wherein the first liquid outlet is provided on the second outer tube.

[0024] Preferably, the repair mechanism further comprises:

[0025] A second material supply box and a second material distribution box, wherein the second material supply box and the second material distribution box are mounted on the frame, and the second material distribution box is located inside the first material distribution box;

[0026] A second connecting pipe, two ends of which are respectively connected to the second material supply box and the second material distribution box;

[0027] a second valve, the second valve being mounted on the second connecting pipe;

[0028] The repair unit also includes:

[0029] A second hose, the second hose is located inside the first hose, and a first end of the second hose is connected to the first batching box;

[0030] a first inner tube, the first inner tube being located inside the first outer tube and connected to the first outer tube; a first end of the first inner tube being connected to a second end of the second hose;

[0031] The second inner tube is located inside the second outer tube and connected to the second outer tube; the first end of the second inner tube is connected to the second end of the first inner tube; wherein the second liquid outlet is provided on the second inner tube.

[0032] Preferably, the second liquid outlet hole is located below the first liquid outlet hole.

[0033] Preferably, the second outer tube is rotatably connected to the first outer tube; the second inner tube is rotatably connected to the first inner tube;

[0034] Each of the first outer tubes is provided with a worm gear;

[0035] The device also includes a worm and a second motor. The worm is meshed with the worm wheel. The worm is connected to an output end of the second motor. The second motor is mounted on the vehicle frame.

[0036] Preferably, a crushing piece is provided on the second outer tube.

[0037] Preferably, the device further comprises:

[0038] A second rotating shaft, the second rotating shaft is rotatably connected to the first batching box and extends deep into the second batching box;

[0039] A first blade and a second blade, wherein the first blade and the second blade are both mounted on the second rotating shaft and are respectively located in the first ingredient box and the second ingredient box;

[0040] A third motor, wherein an output end of the third motor is connected to the second rotating shaft.

[0041] Preferably, the device further comprises:

[0042] A third rotating shaft, the third rotating shaft is rotatably connected to the frame; wherein the mounting plate is rotatably connected to the third rotating shaft;

[0043] An adjusting mechanism is used to drive the mounting plate to rotate.

[0044] Preferably, the adjustment mechanism comprises:

[0045] A first connecting rod, wherein a sliding groove is provided at a first end of the first connecting rod; and a flange is provided on the first connecting rod;

[0046] a second connecting rod, wherein a first end of the second connecting rod is connected to the mounting plate and a second end of the second connecting rod is located in the sliding groove;

[0047] a spring, wherein the spring is sleeved on the second connecting rod, one end of the spring is connected to the second connecting rod, and the other end of the spring is connected to the first connecting rod;

[0048] A sliding rod, a first end of which is connected to the mounting plate, and the sliding rod is slidably connected to the flange;

[0049] A limit block, the limit block is installed at the second end of the slide bar and is located on a side of the flange away from the mounting plate;

[0050] A cylinder, wherein the output end of the cylinder is connected to the second end of the first connecting rod.

[0051] The present invention also discloses a method for remediating heavily contaminated soil, comprising:

[0052] S1. Place the device on the soil to be repaired and move the device;

[0053] S2, turning on the first motor to drive the first rotating shaft to rotate and using the blade to break the soil;

[0054] S3. Use the repair mechanism to introduce the repair reagent into the soil:

[0055] S4. Use a pressing plate to flatten the soil.

[0056] The beneficial effects brought by the present invention are:

[0057] The first supply box is used to introduce the first repair reagent into the repair mechanism. The first repair reagent is sprayed on the soil through the first liquid outlet. Since the soil is broken, the first repair reagent can be sprayed on the lower layer of the soil, and the soil in the lower layer can be repaired.

[0058] In order to ensure the repair effect and avoid the evaporation of the first repair reagent, a pressure plate is set, and the pressure plate has a large mass. During the movement, the pressure plate flattens the soil again and covers the first repair reagent, so that the first repair reagent is located in the soil and fully contacts the soil, thereby improving the repair effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0059] Figure 1 The structure disclosed in the present invention is shown in FIG. Figure 1 ;

[0060] Figure 2 The structure disclosed in the present invention is shown in FIG. Figure 2 ;

[0061] Figure 3 It is a partial schematic diagram disclosed by the present invention;

[0062] Figure 4 A cross-sectional view of the present invention;

[0063] Figure 5 The present invention discloses Figure 4 Middle part schematic diagram;

[0064] Figure 6 is a cross-sectional view of the second outer tube etc. disclosed in the present invention;

[0065] Figure 7 It is a schematic diagram of the first connecting rod etc. disclosed in the present invention. DETAILED DESCRIPTION

[0066] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other; the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0067] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left" and "right" etc. indicate directions or positional relationships based on directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the positions or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limitations of the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense, for example, "connection" can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or a transmission connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements or the interaction relationship between two elements.

[0068] Reference Figure 1-7 The present invention proposes a heavily contaminated soil remediation device, comprising: a frame 1, four wheel assemblies 2, a first rotating shaft, a plurality of blades 4, a first motor 5, a connecting rope 6, a pressing plate 7, a first feed box 8, and a remediation mechanism.

[0069] The four wheel assemblies 2 are distributed in an array, and the four wheel assemblies 2 are rotatably mounted on the frame 1; the first rotating shaft is horizontally rotatably mounted on the frame 1; a plurality of blades 4 are installed on the first rotating shaft at intervals; the first motor 5 is installed on the frame 1, and the output end of the first motor 5 is connected to the first rotating shaft.

[0070] The pressing plate 7 is located behind the first rotating shaft, and the pressing plate 7 is movably connected to the frame 1 through the connecting rope 6. When the frame 1 moves, the pressing plate 7 is pulled to move by the connecting rope 6.

[0071] The first supply box 8 is arranged on the frame 1. The first supply box 8 can be filled with a first repair reagent.

[0072] The repair mechanism is disposed on the vehicle frame 1 , and is connected to the first feed box 8 . The repair mechanism has a first liquid outlet 9 , and the first liquid outlet 9 is located between the blade 4 and the pressure plate 7 .

[0073] A handle can be provided on the frame 1 to facilitate pushing the frame 1 , and the wheel assembly 2 can be driven to rotate by a motor, or the frame 1 can be pushed to move by manpower.

[0074] The frame 1 is placed in the land to be repaired, and the first motor 5 is used to drive the first rotating shaft and the blade 4 to rotate, and the blade 4 is used to break the soil, thereby driving the frame 1 to move.

[0075] The first repair agent is introduced into the repair mechanism by the first feed box 8. The first repair agent is sprayed on the soil through the first liquid outlet 9. Since the soil is broken, the first repair agent can be sprayed on the lower layer of the soil, and the soil in the lower layer can be repaired.

[0076] In order to ensure the repair effect and prevent the first repair reagent from evaporating, a pressing plate 7 is provided, and the pressing plate 7 has a large mass. During the movement, the pressing plate 7 flattens the soil again and covers the first repair reagent, so that the first repair reagent is located in the soil and fully contacts the soil, thereby improving the repair effect.

[0077] In this embodiment, the repair mechanism includes: a first batching box 10, a first connecting pipe 11, a first valve 12, a mounting plate 13, and a plurality of repair parts.

[0078] The first batching box 10 is arranged on the frame 1; the two ends of the first connecting pipe 11 are respectively connected to the first supply box 8 and the first batching box 10; the first valve 12 is installed on the first connecting pipe 11; the mounting plate 13 is connected to the frame 1; and multiple repair parts are arranged at intervals.

[0079] When in use, the first valve 12 is opened, and the first repair reagent in the first supply box 8 enters the first batching box 10 through the first connecting pipe 11, and then is sprayed on the soil through the repair part.

[0080] The repair part includes: a first hose 14, a first outer tube 15, a second outer tube 16,

[0081] The first end of the first hose 14 is communicated with the first batching box 10 ; the first outer tube 15 is installed on the mounting plate 13 , and the first end thereof is communicated with the second end of the first hose 14 .

[0082] The first end of the second outer tube 16 is in communication with the second end of the first outer tube 15 ; wherein the first liquid outlet 9 is provided on the second outer tube 16 .

[0083] The first repair reagent in the first batching box 10 is sprayed onto the soil through the first hose 14, the first outer tube 15, the second outer tube, and the first liquid outlet 9 to repair the soil.

[0084] In another embodiment, the following improvement can be made: the repair mechanism further includes: a second material supply box 17 , a second material distribution box 18 , a second connecting pipe 19 , and a second valve 20 .

[0085] The second material supply box 17 and the second material distribution box 18 are installed on the frame 1, and the second material distribution box 18 is located inside the first material distribution box 10; the two ends of the second connecting pipe 19 are respectively connected to the second material supply box 17 and the second material distribution box 18; the second valve 20 is installed on the second connecting pipe 19;

[0086] The repair part further includes: a second hose 21 , a first inner tube 22 , and a second inner tube 23 .

[0087] The second hose 21 is located inside the first hose 14, and the first end of the second hose 21 is connected to the first batching box 10;

[0088] The first inner tube 22 is located inside the first outer tube 15 and connected to the first outer tube 15; the first end of the first inner tube 22 is connected to the second end of the second hose 21;

[0089] The second inner tube 23 is located inside the second outer tube 16 and connected to the second outer tube 16 ; the first end of the second inner tube 23 is connected to the second end of the first inner tube 22 ; wherein the second inner tube 23 is provided with the second liquid outlet 24 .

[0090] An accommodating cavity is formed between the first hose 14 , the first outer tube 15 , the second outer tube 16 , the second hose 21 , the first inner tube 22 , and the second inner tube 23 , and the first liquid outlet 9 is connected to the first batching box 10 through the accommodating cavity.

[0091] A second repair reagent is added into the second supply box 17 .

[0092] When in use, the second valve 20 is opened to allow the second repair reagent to enter the second batching box 18 through the second connecting pipe 19, and then sprayed on the soil through the second hose 21, the first inner tube 22, the second inner tube 23, and the second liquid outlet 24 to repair the soil.

[0093] In this embodiment, the first liquid outlet 9 and the second liquid outlet 24 can be used to spray two different first repair reagents and second repair reagents to better repair the soil.

[0094] Furthermore, the second liquid outlet 24 is located below the first liquid outlet 9. Different positions of the soil may require different repair reagents for repair. By making the positions of the first liquid outlet 9 and the second liquid outlet 24 different, the first repair reagent and the second repair reagent can be sprayed on different soil layers respectively, so that the first repair reagent and the second repair reagent can repair soil layers at different heights, further improving the repair effect.

[0095] In another embodiment, the following improvement may be made: the second outer tube 16 is rotatably connected to the first outer tube 15 ; the second inner tube 23 is rotatably connected to the first inner tube 22 .

[0096] Each of the first outer tubes 15 is provided with a worm gear 25 ; the device further comprises a worm 26 and a second motor 27 , wherein the worm 26 meshes with the worm gear 25 , the worm 26 is connected to the output end of the second motor 27 , and the second motor 27 is mounted on the vehicle frame 1 .

[0097] The second motor 27 is used to drive the worm 26 to rotate, and drive the material and the first outer tube 15 to rotate, so that the first repair reagent and the second repair reagent can be sprayed more evenly, thereby improving the repair effect.

[0098] Furthermore, a crushing member 28 is provided on the second outer tube 16. When the second outer tube 16 rotates, the crushing member 28 is used to break up large pieces of soil, so as to facilitate full contact between the soil and the first repair reagent and the second repair reagent, thereby improving the repair effect.

[0099] The device further comprises: a second rotating shaft 29 , a first blade 30 , a second blade 31 , and a third motor 32 .

[0100] The second rotating shaft 29 is rotatably connected to the first batching box 10 and extends deep into the second batching box 18 .

[0101] The first blade 30 and the second blade 31 are both mounted on the second rotating shaft 29 and are located in the first batching box 10 and the second batching box 18 respectively; the output end of the third motor 32 is connected to the second rotating shaft 29 .

[0102] The third motor 32 is used to drive the second rotating shaft 29 to rotate, and the first blade 30 and the second blade 31 are used to stir the first repair reagent and the second repair reagent in the first batching box 10 and the second batching box 18 respectively to avoid the precipitation of fixed particles in the first repair reagent and the second repair reagent, thereby improving the repair effect.

[0103] In another embodiment, the following improvements can be made: the device also includes: a third rotating shaft 33, an adjusting mechanism, the third rotating shaft 33 is rotatably connected to the frame 1; wherein the mounting plate 13 is rotatably connected to the third rotating shaft 33; the adjusting mechanism is used to drive the mounting plate 13 to rotate.

[0104] The mounting plate 13 is driven to rotate by the adjusting mechanism to adjust the positions of the first liquid outlet 9 and the second liquid outlet 24, so that different positions of the soil can be repaired as needed, with good adaptability.

[0105] In another embodiment, the following improvements can be made:

[0106] The adjustment mechanism includes: a first connecting rod 34 , a second connecting rod 35 , a spring 36 , a sliding rod 37 , a limiting block 39 , and a cylinder 40 .

[0107] A sliding groove is provided at the first end of the first connecting rod 34 ; a flange 38 is provided on the first connecting rod 34 ; a first end of the second connecting rod 35 is connected to the mounting plate 13 , and a second end thereof is located in the sliding groove.

[0108] The spring 36 is sleeved on the second connecting rod 35 , one end of the spring 36 is connected to the second connecting rod 35 , and the other end of the spring 36 is connected to the first connecting rod 34 .

[0109] The first end of the slide rod 37 is connected to the mounting plate 13, and the slide rod 37 is slidably connected to the flange 38; the limit block 39 is installed at the second end of the slide rod 37, and is located on the side of the flange 38 away from the mounting plate 13; the output end of the cylinder 40 is connected to the second end of the first connecting rod 34.

[0110] The output end of the cylinder 40 drives the mounting plate 13 to move through the first connecting rod 34, the flange 38, the sliding rod 37, and the second connecting rod 35, and adjusts the positions of the first liquid outlet 9 and the second liquid outlet 24, so as to facilitate spraying the first repair agent and the second repair agent on different positions of the soil, and has good adaptability.

[0111] During use, when the mounting plate 13 is accidentally subjected to greater resistance from the ground, it can overcome the resistance of the spring 36 and rotate upward, thus avoiding damage and providing good safety.

[0112] In another embodiment, a method for remediating heavily contaminated soil is also disclosed, comprising:

[0113] S1. Place the device on the soil to be repaired and move the device;

[0114] S2, turning on the first motor to drive the first rotating shaft to rotate and using the blade to break the soil;

[0115] S3. Use the repair mechanism to introduce the repair reagent into the soil:

[0116] S4. Use a pressing plate to flatten the soil.

[0117] This embodiment utilizes a blade to break up the soil, utilizes a repair mechanism to spray the first repair agent and the second repair agent, facilitates spraying the first repair agent and the second repair agent on the lower soil, utilizes a pressing plate to flatten the soil again, facilitates full contact between the first repair agent and the second repair agent and the soil, and improves the repair effect.

[0118] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A heavily contaminated soil remediation device, characterized in that: include: Frame; Four wheel assemblies, the four wheel assemblies are distributed in an array, and the four wheel assemblies are rotatably mounted on the frame; a first rotating shaft, the first rotating shaft being horizontally rotatably mounted on the frame; A plurality of blades, wherein the plurality of blades are installed on the first rotating shaft at intervals; A first motor, wherein the first motor is mounted on the vehicle frame, and an output end of the first motor is connected to the first rotating shaft; Connecting rope; A pressing plate, the pressing plate is located behind the first rotating shaft, and the pressing plate is movably connected to the frame through the connecting rope; a first material supply box, wherein the first material supply box is arranged on the frame; A repair mechanism, the repair mechanism is arranged on the frame, the repair mechanism is connected to the first feed box, the repair mechanism has a first liquid outlet, and the first liquid outlet is located between the blade and the pressure plate; The repair mechanism comprises: A first batching box, wherein the first batching box is arranged on the frame; A first connecting pipe, wherein two ends of the first connecting pipe are respectively connected to the first material supply box and the first material distribution box; a first valve, wherein the first valve is installed on the first connecting pipe; A mounting plate connected to the vehicle frame; A plurality of repair parts are arranged at intervals, and the repair parts include: a first hose, wherein a first end of the first hose is in communication with the first ingredient tank; a first outer tube, the first outer tube being mounted on the mounting plate and having a first end connected to the second end of the first hose; a second outer tube, wherein the first end of the second outer tube is connected to the second end of the first outer tube; wherein the first liquid outlet is provided on the second outer tube; The repair mechanism also includes: A second material supply box and a second material distribution box, wherein the second material supply box and the second material distribution box are mounted on the frame, and the second material distribution box is located inside the first material distribution box; A second connecting pipe, two ends of which are respectively connected to the second material supply box and the second material distribution box; a second valve, the second valve being mounted on the second connecting pipe; The repair unit also includes: A second hose, the second hose is located inside the first hose, and a first end of the second hose is connected to the first batching box; a first inner tube, the first inner tube being located inside the first outer tube and connected to the first outer tube; a first end of the first inner tube being connected to a second end of the second hose; a second inner tube, the second inner tube being located inside the second outer tube and connected to the second outer tube; a first end of the second inner tube being connected to a second end of the first inner tube; wherein a second liquid outlet is provided on the second inner tube; The second liquid outlet is located below the first liquid outlet; the second outer tube is rotatably connected to the first outer tube; the second inner tube is rotatably connected to the first inner tube; Each of the first outer tubes is provided with a worm gear; The device further comprises a worm and a second motor, wherein the worm is meshed with the worm wheel, the worm is connected to the output end of the second motor, and the second motor is mounted on the frame; a crushing piece is provided on the second outer tube; and the device further comprises: A second rotating shaft, the second rotating shaft is rotatably connected to the first batching box and extends deep into the second batching box; A first blade and a second blade, wherein the first blade and the second blade are both mounted on the second rotating shaft and are respectively located in the first ingredient box and the second ingredient box; a third motor, wherein an output end of the third motor is connected to the second rotating shaft; The device also includes: A third rotating shaft, the third rotating shaft is rotatably connected to the frame; wherein the mounting plate is rotatably connected to the third rotating shaft; An adjusting mechanism, the adjusting mechanism is used to drive the mounting plate to rotate; the adjusting mechanism comprises: A first connecting rod, wherein a sliding groove is provided at a first end of the first connecting rod; and a flange is provided on the first connecting rod; a second connecting rod, wherein a first end of the second connecting rod is connected to the mounting plate and a second end of the second connecting rod is located in the sliding groove; a spring, wherein the spring is sleeved on the second connecting rod, one end of the spring is connected to the second connecting rod, and the other end of the spring is connected to the first connecting rod; A sliding rod, a first end of which is connected to the mounting plate, and the sliding rod is slidably connected to the flange; A limit block, the limit block is installed at the second end of the slide bar and is located on a side of the flange away from the mounting plate; A cylinder, wherein the output end of the cylinder is connected to the second end of the first connecting rod.

2. A method for remediating heavily contaminated soil, characterized in that: The heavily contaminated soil remediation device according to claim 1 comprises: S1. Place the device on the soil to be repaired and move the device; S2, turning on the first motor to drive the first rotating shaft to rotate and using the blade to break the soil; S3. Use the repair mechanism to introduce the repair reagent into the soil: S4. Use a pressing plate to flatten the soil.

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