Large-scale soil pollution remediation device

Abstract

The invention discloses a large soil pollution remediation device which comprises a bearing assembly, a soil breaking assembly and a pesticide spreading assembly, the bearing assembly comprises a bearing framework, and the bearing framework is connected to a tractor through a hanging plate arranged at the front end; the soil breaking assembly comprises a rotary tillage wheel and a ploughing roller, the rotary tillage wheel is fixed to the ploughing roller, and the ploughing roller is connected to the bearing framework; the pesticide spreading assembly comprises spray head fixing frames, atomizing spray heads and a pesticide box, the spray head fixing frames are arranged on the two sides of the bearing framework respectively, the atomizing spray heads are arranged on the bottom faces of the spray head fixing frames, and the pesticide box is fixed to the top face of the bearing framework and connected with the spray head fixing frames through liquid conveying pipes. The device disclosed by the invention is driven by the tractor to carry out soil remediation work, so that large-area polluted land can be quickly remedied, the working efficiency is improved, the labor intensity is reduced, and the labor cost is saved; spray head fixing frames are arranged on the two sides of the bearing assembly, so that the contact area between the medicament and the soil is effectively increased, and the soil pollution remediation effect is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of soil pollution remediation equipment, and in particular to a large-scale soil pollution remediation device. Background Art

[0002] Soil remediation technology involves the use of physical, chemical and biological means to transfer, absorb, degrade and transform pollutants in the soil, aiming to reduce the concentration of pollutants to an acceptable threshold or convert them into non-toxic substances. From the perspective of technical principles, soil pollution remediation mainly includes the following two aspects: by changing the existing form of pollutants in the soil or their binding state with the soil matrix, so as to reduce their migration ability and bioavailability in the environment; reducing the content of harmful substances in the soil. Current soil pollution remediation equipment usually uses the method of tilling the soil and spraying soil pollution remediation agents on the tilled soil to remediate the soil.

[0003] Prior art, in the Chinese patent document with the publication number CN 118649998 A, soil pollution remediation equipment and remediation method are disclosed, including: a suction water pump is installed on the side wall of the reagent box, and a horizontally arranged water spray pipe is hoisted at the bottom of the remediation equipment frame, a row of installation boxes are welded on the water spray pipe at equal intervals, and a spraying component is welded at the bottom of each row of installation boxes; the dredging assembly is a star-shaped structure, and the whole is composed of a circle of vertical dredging shafts and a central sliding shaft welded together; the water spray pipe and a row of installation boxes are pushed through by springs to slide and install a driving sliding shaft, and the driving sliding shaft and the central sliding shaft of the dredging assembly are rotatably connected with an inclined second pull rod. The above technical solution has the following shortcomings: after the soil is plowed, the chemical is sprayed, the soil and chemical contact area is small, and the soil remediation effect is poor; the above equipment is not suitable for large-scale soil remediation work, and the soil remediation work is carried out by manual walking operation of the equipment, which has high labor intensity and low work efficiency. Summary of the invention

[0004] The purpose of the present invention is to solve the problems raised in the above background technology, and then propose a large-scale soil pollution remediation device. The bearing assembly of the device disclosed in the present invention is connected to a tractor through a hanging plate, and the tractor drives the device to perform remediation work, which can not only quickly repair large areas of polluted land, improve work efficiency, but also reduce labor intensity and save labor costs; nozzle fixing frames are arranged on both sides of the bearing assembly, which effectively increases the contact area between the agent and the soil and improves the soil pollution remediation effect.

[0005] The technical solution adopted by the present invention to solve the technical problem is:

[0006] A large-scale soil pollution remediation device comprises a bearing assembly, a soil-breaking assembly and a medicine-spreading assembly, wherein the soil-breaking assembly and the medicine-spreading assembly are respectively arranged on the bearing assembly, the bearing assembly comprises a bearing frame, a hanging plate is arranged at the front end of the bearing frame, the bearing assembly is connected to a tractor through the hanging plate, and the tractor is used to drive the device to run, thereby improving work efficiency and being able to quickly treat a large area of ​​polluted land; the soil-breaking assembly comprises a rotary tillage wheel and a tillage roller, the rotary tillage wheel is fixed on the tillage roller, the bearing frame is provided with a roller hole, and the tillage roller is connected to the bearing frame through the roller hole; the medicine-spreading assembly comprises a nozzle fixing frame, an atomizing nozzle and a medicine box, the nozzle fixing frames are respectively arranged on both sides of the bearing frame, and can spray medicine before and after the land is tilled, thereby increasing the contact area between the medicine and the soil and improving the soil pollution remediation effect, the atomizing nozzle is arranged on the bottom surface of the nozzle fixing frame, the medicine box is fixed on the top surface of the bearing frame, and the medicine box is connected to the nozzle fixing frame through an infusion tube.

[0007] Preferably, the load-bearing assembly also includes a transport component, which includes a lifting rod, a fork frame and wheels connected in sequence, the lifting rod is respectively arranged at the four corners of the bottom of the load-bearing frame, the fork frame is fixed to the bottom of the lifting rod, and the wheel is arranged in the fork frame. During the transportation of the equipment, the lifting rod is lowered, the wheel touches the ground, the rotary tiller wheel is away from the ground, and the device moves with the tractor; during the soil pollution remediation process, the lifting rod is raised, the wheel gradually leaves the ground, the rotary tiller wheel gradually contacts the ground, and work can begin.

[0008] Preferably, the rotary tiller wheel includes a wheel body and wheel wings, wherein the wheel wings are arranged on the outer circle of the wheel body, the wheel wings are knife-shaped, and a soil retaining plate is arranged on the back of the wheel wings to increase the contact area with the soil and improve the soil turning effect. A circular hole is arranged at the center of the wheel body, and the rotary tiller wheel is connected to the tilling roller through the circular hole in the center of the wheel body. Fixed plates are respectively arranged on both sides of the circular hole in the center of the wheel body, and the fixed plates fix the rotary tiller wheel to the tilling roller through bolts.

[0009] Preferably, hollow holes are provided on the wheel body to reduce the weight of the rotary tiller wheel and increase the rotation speed, thereby improving the soil turning effect and reducing the cost.

[0010] Preferably, the soil-breaking component also includes an internal combustion engine and a fuel tank, the internal combustion engine including a fuselage, a machine shaft is arranged at one end of the fuselage, a second pulley is arranged at one end of the machine shaft, a first pulley is arranged on the tilling roller, a rectangular through hole is arranged on the top surface of the supporting frame, a transmission belt is arranged on the second pulley and the first pulley, and the transmission belt passes through the rectangular through hole; an internal combustion engine fixed base is arranged at the bottom of the fuselage, a fuel tank is arranged on the side of the internal combustion engine fixed base, a through hole one is arranged on both sides of the internal combustion engine fixed base, and two fixing holes are arranged on the top surface of the supporting frame, the through hole one and the fixing hole two are axially aligned and have the same number, the internal combustion engine is fixed to the top surface of the supporting frame by bolts, and the internal combustion engine is arranged to improve the soil turning effect and work efficiency, increase the contact area between the agent and the soil, and improve the soil remediation effect.

[0011] Preferably, two latching tongues are provided on both sides of the top plate of the load-bearing frame, and one ear plate is provided on the side of the nozzle fixing frame, and the nozzle fixing frame is rotatably connected to the load-bearing frame through the cooperation of the one ear plate and the two latching tongues; a vertical pole is fixedly provided on the side of the load-bearing frame, and the vertical pole and the two latching tongues are located on the same vertical line, a latching tongue is provided on the outer side of the vertical pole, and two ear plates are provided on the bottom surfaces of the columns on both sides of the nozzle fixing frame, and the spraying assembly also includes a telescopic rod, an ear plate three is provided at one end of the telescopic rod, and a latching tongue three is provided at the other end of the telescopic rod, the telescopic rod is rotatably connected to the vertical pole through the cooperation of the three ear plates and the one latching tongue, and the telescopic rod is rotatably connected to the nozzle fixing frame through the cooperation of the three latching tongues and the two ear plates, and the nozzle fixing frame is flipped up and down by the telescopic rod. During the storage and transportation of the device, the telescopic rod is contracted and the nozzle fixing frame moves toward the load-bearing frame. During the operation of the device, the telescopic rod is extended and the nozzle fixing frame is parallel to the ground to achieve an optimal spraying angle.

[0012] Preferably, the medicine spreading assembly also includes a spray water pump, which is fixedly connected to the medicine box. The spray water pump includes a pump body and a power supply. The pump body is arranged on the top of the power supply, and the pump body is electrically connected to the power supply. A water pump fixing base is arranged at the bottom of the power supply. Two through holes are arranged on both sides of the water pump fixing base, and a fixing hole one is arranged on the top surface of the supporting frame. The through hole two and the fixing hole one are axially aligned and have the same number. The spray water pump is fixed to the top surface of the supporting frame by bolts. During the operation of the device, the medicine liquid is sprayed in a mist form, and the increased spraying area further increases the contact area between the medicine and the soil, thereby improving the soil remediation effect.

[0013] Preferably, two rows of atomizing nozzles are arranged, and the two rows of atomizing nozzles are staggered with each other to reduce the spraying blind area and increase the spraying density of the agent. A controller is arranged on the side of the nozzle fixing frame, and the controller controls the switch of each row of atomizing nozzles. The atomizing nozzles are selectively turned on according to the land conditions. When repairing lightly polluted land, only one row of atomizing nozzles needs to be turned on, otherwise two rows of atomizing nozzles need to be turned on to save resources.

[0014] Preferably, the medicine box is divided into two chambers, both of which are connected to the spray water pump through an infusion tube, and the other end of the infusion tube is connected to the nozzle fixing frame. The front and rear two groups of nozzle fixing frames can spray different medicines, and can use complex land remediation processes to improve work efficiency.

[0015] Preferably, the control terminal is electrically connected to the lifting rod, internal combustion engine, telescopic rod and spray water pump respectively, and the control terminal is placed in the cab of the tractor. The staff can control the operation of the device in the cab, thereby improving the intelligence level and work efficiency.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The bearing assembly of the device disclosed in the present invention is connected to a tractor through a hanging plate, and the tractor drives the device to perform repair work, which can not only quickly repair large areas of polluted land, improve work efficiency, but also reduce labor intensity and save labor costs; nozzle fixing frames are arranged on both sides of the bearing assembly, which effectively increases the contact area between the agent and the soil and improves the soil pollution repair effect.

[0018] 2. The device disclosed by the present invention improves the transportation efficiency of the device by arranging the transportation components, avoids the rotary tiller wheel from touching the ground and being damaged, and reduces the cost.

[0019] 3. The rotary tiller wheel provided in the device disclosed in the present invention increases the contact area with the soil during tillage, improves the soil turning effect, and further improves the soil repair effect; hollow holes are provided on the wheel body to reduce the weight of the rotary tiller wheel, increase the rotation speed, thereby improving the soil turning effect and reducing costs at the same time.

[0020] 4. The device disclosed in the present invention drives the rotary tillage wheel to rotate through an internal combustion engine, thereby improving the soil turning effect and work efficiency, increasing the contact area between the agent and the soil, and improving the soil treatment effect.

[0021] 5. The nozzle fixing frame of the device disclosed in the present invention can be folded and stretched as needed, which improves the intelligence level of the device and avoids damage to the spraying components during transportation.

[0022] 6. The device disclosed in the present invention can selectively open the atomizing nozzles according to the land conditions through two rows of atomizing nozzles that are staggered from each other and corresponding controllers. When treating lightly polluted land, only one row of atomizing nozzles needs to be opened, otherwise two rows of atomizing nozzles need to be opened, thereby saving resources.

[0023] 7. The medicine box of the device disclosed in the present invention is divided into two chambers, which can store different medicines. The front and rear groups of nozzle fixing frames can spray different medicines, and complex land remediation processes can be used to improve work efficiency and soil remediation effects.

[0024] 8. The device disclosed by the present invention is provided with a control terminal, which is placed in the cab of the tractor. The staff in the cab can control the operation of the device, thereby improving the intelligence level and work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the front isometric structure of the device disclosed in the present invention;

[0026] Figure 2 It is a schematic diagram of the isometric structure of the back side of the device disclosed in the present invention;

[0027] Figure 3 It is a structural schematic diagram of the bearing assembly of the device disclosed in the present invention;

[0028] Figure 4 This is a schematic diagram of the structure of the medicine spreading component of the device disclosed in the present invention;

[0029] Figure 5 A bottom view of the medicine dispensing assembly of the device disclosed in the present invention;

[0030] Figure 6 It is a schematic diagram of the structure of the internal combustion engine, fuel tank, spray water pump and medicine box of the device disclosed by the present invention;

[0031] Figure 7 It is a structural schematic diagram of the transport component of the device disclosed in the present invention;

[0032] Figure 8 It is a structural schematic diagram of the telescopic rod of the device disclosed in the present invention;

[0033] Fig. 9 It is a structural schematic diagram of the rotary tilling wheel of the device disclosed in the present invention;

[0034] Fig.10 The present invention discloses a schematic structural diagram of the coordination between a pulley 1 and a transmission belt of the device.

[0035] Among them: 1. Load-bearing frame; 101. Clamp tongue 1; 102. Clamp tongue 2; 103. Roller hole; 104. Fixing hole 1; 105. Rectangular through hole; 106. Fixing hole 2; 107. Hanging plate; 108. Vertical pole; 2. Transport parts; 201. Lifting rod; 202. Fork frame; 203. Wheel; 3. Rotary tiller; 301. Wheel wing; 302. Retaining plate; 303. Hollow hole; 304. Fixing plate; 305. Wheel body; 4. Tillage roller; 401. Pulley 1; 5. Internal combustion engine; 501, transmission belt; 502, pulley two; 503, internal combustion engine fixed base; 504, through hole one; 505, fuselage; 6, fuel tank; 7, nozzle fixing bracket; 701, ear plate one; 702, ear plate two; 703, controller; 8, atomizing nozzle; 9, telescopic rod; 901, ear plate three; 902, tongue three; 10, spray water pump; 1001, pump body; 1002, power supply; 1003, water pump fixed base; 1004, through hole two; 11, medicine box; 1101; infusion tube. DETAILED DESCRIPTION

[0036] It should be noted that the following detailed descriptions are illustrative and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present application belongs.

[0037] Embodiment 1, as Figure 1-10 As shown, a large-scale soil pollution remediation device includes a bearing assembly, a soil-breaking assembly and a medicine-spreading assembly, wherein the soil-breaking assembly and the medicine-spreading assembly are respectively arranged on the bearing assembly, and the bearing assembly includes a bearing frame 1, and a hanging plate 107 is arranged at the front end of the bearing frame 1. The bearing assembly is connected to a tractor through the hanging plate 107, and the tractor is used to drive the device to run, thereby improving the work efficiency and being able to quickly treat a large area of ​​polluted land; the soil-breaking assembly includes a rotary tillage wheel 3 and a tillage roller 4, and the rotary tillage wheel 3 is fixed on the tillage roller 4, and the bearing frame 1 is provided with a roller hole 103, and the tilling roller 4 is connected to the supporting frame 1 through the roller hole 103; the medicine spreading assembly includes a nozzle fixing frame 7, an atomizing nozzle 8 and a medicine box 11, and the nozzle fixing frame 7 is respectively arranged on both sides of the supporting frame 1, and can spray the medicine before and after the land is tilled, thereby increasing the contact area between the medicine and the soil and improving the soil pollution remediation effect, the atomizing nozzle 8 is arranged on the bottom surface of the nozzle fixing frame 7, and the medicine box 11 is fixed on the top surface of the supporting frame 1, and the medicine box 11 is connected to the nozzle fixing frame 7 through an infusion tube 1101.

[0038] like Figure 7As shown, it is a structural schematic diagram of the transport component of the device disclosed in the present invention, the bearing assembly also includes a transport component 2, the transport component 2 includes a lifting rod 201, a fork frame 202 and a wheel 203 connected in sequence, the lifting rod 201 is respectively arranged at the four corners of the bottom of the bearing frame 1, the fork frame 202 is fixed at the bottom of the lifting rod 201, and the wheel 203 is arranged in the fork frame 202. During the transportation of the equipment, the lifting rod 201 is lowered, the wheel 203 touches the ground, the rotary tiller wheel 3 is away from the ground, and the device moves with the tractor; during the soil pollution remediation process, the lifting rod 201 is raised, the wheel 203 gradually leaves the ground, the rotary tiller wheel 3 gradually touches the ground, and can start working.

[0039] like Fig. 9 As shown, it is a schematic diagram of the structure of the rotary tilling wheel of the device disclosed in the present invention, the rotary tilling wheel 3 comprises a wheel body 305 and a wheel wing 301, the wheel wing 301 is arranged on the outer circle of the wheel body 305, the wheel wing 301 is knife-shaped, and a retaining plate 302 is arranged on the back of the wheel wing 301 to increase the contact area with the soil and improve the soil turning effect, a circular hole is arranged at the center of the wheel body 305, the rotary tilling wheel 3 is connected to the tilling roller 4 through the circular hole in the center of the wheel body 305, and fixing plates 304 are respectively arranged on both sides of the circular hole in the center of the wheel body 305, and the fixing plates 304 fix the rotary tilling wheel 3 to the tilling roller 4 through bolts;

[0040] The wheel body 305 is provided with hollow holes 303 to reduce the weight of the rotary tiller wheel 3 and increase the rotation speed, thereby improving the soil turning effect and reducing the cost.

[0041] like Figure 1-Figure 3 , Figure 6 and Fig.10 As shown, the soil breaking assembly also includes an internal combustion engine 5 and a fuel tank 6. The internal combustion engine 5 includes a fuselage 505, a crankshaft is arranged at one end of the fuselage 505, a pulley 2 502 is arranged at one end of the crankshaft, a pulley 1 401 is arranged on the tilling roller 4, a rectangular through hole 105 is arranged on the top surface of the bearing frame 1, a transmission belt 501 is arranged on the pulley 2 502 and the pulley 1 401, and the transmission belt 501 passes through the rectangular through hole 105; an internal combustion engine 505 is arranged at the bottom of the fuselage 505. A combustion engine fixed base 503, an oil tank 6 is arranged on the side of the internal combustion engine fixed base 503, through holes 1 504 are arranged on both sides of the internal combustion engine fixed base 503, and fixing holes 2 106 are arranged on the top surface of the supporting frame 1. The through holes 1 504 and the fixing holes 2 106 are axially aligned and have the same number. The internal combustion engine 5 is fixed to the top surface of the supporting frame 1 by bolts. The internal combustion engine 5 is arranged to improve the soil turning effect and work efficiency, increase the contact area between the agent and the soil, and improve the soil remediation effect.

[0042] It should be noted that a protective shell needs to be provided on the outer sides of the above-mentioned pulley 1 401, transmission belt 501 and pulley 2 502 to prevent soil and other debris from accidentally entering between the belt and the pulley.

[0043] like Figure 1-Figure 5 and Figure 8 As shown, two latch tongues 102 are arranged on both sides of the top plate of the load-bearing frame 1, and two ear plates 701 are arranged on the side of the nozzle fixing frame 7. The nozzle fixing frame 7 is rotatably connected to the load-bearing frame 1 through the cooperation of the ear plate 701 and the two latch tongues 102; a vertical pole 108 is fixedly arranged on the side of the load-bearing frame 1, and the vertical pole 108 and the two latch tongues 102 are located on the same vertical line, and a latch tongue 101 is arranged on the outer side of the vertical pole 108, and two ear plates 702 are arranged on the bottom surfaces of the columns on both sides of the nozzle fixing frame 7, and the medicine spreading assembly also includes a telescopic rod 9, and the telescopic rod 9- An ear plate three 901 is provided at one end of the telescopic rod 9, and a tongue three 902 is provided at the other end of the telescopic rod 9. The telescopic rod 9 is rotatably connected to the vertical pole 108 through the ear plate three 901 and the tongue one 101. The telescopic rod 9 is rotatably connected to the nozzle fixing frame 7 through the tongue three 902 and the ear plate two 702. The nozzle fixing frame 7 is flipped up and down by the telescopic rod 9. During the storage and transportation of the device, the telescopic rod 9 is contracted and the nozzle fixing frame 7 moves toward the load-bearing frame 1. During the operation of the device, the telescopic rod 9 is extended and the nozzle fixing frame 7 is parallel to the ground to achieve the best spraying angle.

[0044] like Figure 3 and Figure 6 As shown, the medicine spreading assembly also includes a spray water pump 10, and the spray water pump 10 is fixedly connected to the medicine box 11. The spray water pump 10 includes a pump body 1001 and a power supply 1002. The pump body 1001 is arranged on the top of the power supply 1002, and the pump body 1001 is electrically connected to the power supply 1002. A water pump fixing base 1003 is arranged at the bottom of the power supply 1002, and through holes 1004 are arranged on both sides of the water pump fixing base 1003. A fixing hole 104 is arranged on the top surface of the supporting frame 1, and the axes of the through holes 1004 and the fixing holes 104 are aligned, and the number is the same. The spray water pump 10 is fixed to the top surface of the supporting frame 1 by bolts. During the operation of the device, the medicine liquid is sprayed in a mist form, and the increased spraying area further increases the contact area between the medicine and the soil, thereby improving the soil remediation effect.

[0045] like Figure 4 and Figure 5As shown, the atomizing nozzles 8 are arranged in two rows, and the two rows of atomizing nozzles 8 are staggered with each other to reduce the spraying blind area and improve the spraying density of the agent. A controller 703 is arranged on the side of the nozzle fixing frame 7. The controller 703 controls the switch of each row of atomizing nozzles 8. According to the land conditions, the atomizing nozzles 8 are selectively turned on. When repairing lightly polluted land, only one row of atomizing nozzles 8 needs to be turned on, otherwise two rows of atomizing nozzles 8 need to be turned on to save resources.

[0046] like Figure 6 As shown, the medicine box 11 is divided into two chambers, both of which are connected to the spray water pump 10 through an infusion tube 1101. The other end of the infusion tube 1101 is connected to the nozzle fixing frame 7. The front and rear groups of nozzle fixing frames 7 can spray different medicines, and can use complex land restoration processes to improve work efficiency.

[0047] like Figure 1 , Figure 2 and Figure 6 As shown, it also includes a control terminal, which is electrically connected to the lifting rod 201, the internal combustion engine 5, the telescopic rod 9 and the spray water pump 10 respectively. The control terminal is placed in the cab of the tractor, and the staff can control the operation of the device in the cab, thereby improving the intelligence level and work efficiency.

[0048] In embodiment 2, the structure of the load-bearing frame 1 is not unique, and it can bear other equipment and be mounted on a tractor; the pulley 1 401, the transmission belt 501 and the pulley 2 502 provided in the earth-breaking component cooperate with the transmission structure, and a chain transmission structure or other structure with the same function can also be used.

[0049] In the description of the present invention, the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the purpose of describing the present invention rather than requiring the present invention to be constructed or operated in a specific position, and therefore should not be construed as limiting the present invention. The terms "connected" and "connected" in the present invention should be understood in a broad sense, for example, it can be a connection or a detachable connection; it can be a direct connection or an indirect connection through an intermediate component. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0050] The above is the preferred operation mode of the present invention, and the description of the specific operation mode is only used to better understand the concept of the present invention. For ordinary technicians in this technical field, several improvements or equivalent substitutions can be made according to the principles of the present invention, and these improvements or equivalent substitutions are also considered to fall within the protection scope of the present invention.

Claims

1. A large-scale soil pollution remediation device, comprising a bearing assembly, a soil-breaking assembly and a medicine-spreading assembly, wherein the soil-breaking assembly and the medicine-spreading assembly are respectively arranged on the bearing assembly, characterized in that: The bearing assembly comprises a bearing frame (1), a hanging plate (107) is arranged at the front end of the bearing frame (1), and the bearing assembly is connected to the tractor through the hanging plate (107); the soil-breaking assembly comprises a rotary tilling wheel (3) and a tilling roller (4), the rotary tilling wheel (3) is fixed on the tilling roller (4), the bearing frame (1) is provided with a roller hole (103), and the tilling roller (4) is connected to the bearing frame (1) through the roller hole (103); the medicine-spreading assembly comprises a nozzle fixing frame (7), an atomizing nozzle (8) and a medicine box (11), the nozzle fixing frame (7) is respectively arranged on both sides of the bearing frame (1), the atomizing nozzle (8) is arranged on the bottom surface of the nozzle fixing frame (7), the medicine box (11) is fixed on the top surface of the bearing frame (1), and the medicine box (11) is connected to the nozzle fixing frame (7) through an infusion tube (1101).

2. A large-scale soil pollution remediation device according to claim 1, characterized in that: The load-bearing assembly further comprises a transport component (2), wherein the transport component (2) comprises a lifting rod (201), a fork frame (202) and a wheel (203) connected in sequence, wherein the lifting rod (201) is respectively arranged at four corners of the bottom of the load-bearing frame (1), the fork frame (202) is fixed to the bottom of the lifting rod (201), and the wheel (203) is arranged in the fork frame (202).

3. A large-scale soil pollution remediation device according to claim 1, characterized in that: The rotary tiller (3) comprises a wheel body (305) and wheel wings (301); the wheel wings (301) are arranged on the outer circle of the wheel body (305); the wheel wings (301) are knife-shaped; a soil retaining plate (302) is arranged on the back of the wheel wings (301); a circular hole is arranged at the center of the wheel body (305); the rotary tiller (3) is connected to the tilling roller (4) through the circular hole in the center of the wheel body (305); fixing plates (304) are respectively arranged on both sides of the circular hole in the center of the wheel body (305); the fixing plates (304) fix the rotary tiller (3) to the tilling roller (4) through bolts.

4. A large-scale soil pollution remediation device according to claim 3, characterized in that: The wheel body (305) is provided with a hollow hole (303).

5. A large-scale soil pollution remediation device according to claim 2, characterized in that: The soil-breaking assembly also includes an internal combustion engine (5) and a fuel tank (6), the internal combustion engine (5) includes a body (505), a crankshaft is arranged at one end of the body (505), a belt pulley 2 (502) is arranged at one end of the crankshaft, a belt pulley 1 (401) is arranged on the tilling roller (4), a rectangular through hole (105) is arranged on the top surface of the supporting frame (1), a transmission belt (501) is arranged on the belt pulley 2 (502) and the belt pulley 1 (401), and the transmission belt (501) is passed through A rectangular through hole (105) is provided at the bottom of the fuselage (505), a fuel tank (6) is provided on the side of the internal combustion engine fixed base (503), through holes (504) are provided on both sides of the internal combustion engine fixed base (503), and fixing holes (106) are provided on the top surface of the load-bearing frame (1), the axes of the through holes (504) and the fixing holes (106) are aligned, and the number is the same, and the internal combustion engine (5) is fixed to the top surface of the load-bearing frame (1) by bolts.

6. A large-scale soil pollution remediation device according to claim 5, characterized in that: Two latching tongues (102) are arranged on both sides of the top plate of the load-bearing frame (1); an ear plate (701) is arranged on the side of the nozzle fixing frame (7); the nozzle fixing frame (7) is rotatably connected to the load-bearing frame (1) through the cooperation of the ear plate (701) and the latching tongue (102); a vertical pole (108) is fixedly arranged on the side of the load-bearing frame (1); the vertical pole (108) and the latching tongue (102) are located on the same vertical line; a latching tongue (101) is arranged on the outer side of the vertical pole (108); and the nozzle fixing frame (7) is rotatably connected to the load-bearing frame (1) through the cooperation of the ear plate (701) and the latching tongue (102). Ear plate 2 (702) is arranged on the bottom surface of the columns on both sides of the fixing frame (7), and the medicine spreading assembly also includes a telescopic rod (9), ear plate 3 (901) is arranged at one end of the telescopic rod (9), and tongue 3 (902) is arranged at the other end of the telescopic rod (9), and the telescopic rod (9) is rotatably connected to the vertical rod (108) through the cooperation of ear plate 3 (901) and tongue 1 (101), and the telescopic rod (9) is rotatably connected to the nozzle fixing frame (7) through the cooperation of tongue 3 (902) and ear plate 2 (702).

7. A large-scale soil pollution remediation device according to claim 6, characterized in that: The spraying assembly also includes a spray water pump (10), the spray water pump (10) and the medicine box (11) are fixedly connected, the spray water pump (10) includes a pump body (1001) and a power supply (1002), the pump body (1001) is arranged on the top of the power supply (1002), the pump body (1001) is electrically connected to the power supply (1002), a water pump fixing base (1003) is arranged at the bottom of the power supply (1002), through holes (1004) are arranged on both sides of the water pump fixing base (1003), a fixing hole (104) is arranged on the top surface of the supporting frame (1), the through holes (1004) and the fixing holes (104) are axially aligned and have the same number, and the spray water pump (10) is fixed to the top surface of the supporting frame (1) by bolts.

8. A large-scale soil pollution remediation device according to claim 1, characterized in that: The atomizing nozzles (8) are arranged in two rows, and the two rows of atomizing nozzles (8) are arranged in a staggered manner. A controller (703) is arranged on the side of the nozzle fixing frame (7), and the controller (703) controls the switch of each row of atomizing nozzles (8).

9. A large-scale soil pollution remediation device according to claim 7, characterized in that: The medicine box (11) is divided into two chambers, both of which are connected to the spray water pump (10) through a liquid infusion tube (1101), and the other end of the liquid infusion tube (1101) is connected to the spray head fixing frame (7).

10. A large-scale soil pollution remediation device according to claim 7, characterized in that: It also includes a control terminal, which is electrically connected to the lifting rod (201), the internal combustion engine (5), the telescopic rod (9) and the spray water pump (10) respectively.

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