CN108580541B - In-situ foreign soil restoration equipment and method for farmland contaminated soil - Google Patents
In-situ foreign soil restoration equipment and method for farmland contaminated soil Download PDFInfo
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- CN108580541B CN108580541B CN201810385133.3A CN201810385133A CN108580541B CN 108580541 B CN108580541 B CN 108580541B CN 201810385133 A CN201810385133 A CN 201810385133A CN 108580541 B CN108580541 B CN 108580541B
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- stirring
- accommodating cavity
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- modifier
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
Abstract
The invention relates to the field of agricultural contaminated soil restoration, in particular to farmland contaminated soil in-situ soil-dressing restoration equipment and method. The device comprises a frame, an excavating device, a stirring device, a medicament delivery device, a conveying device, a detection and analysis mechanism and a control mechanism. After the surface layer polluted soil is dug up, adding a powdery passivating agent and a liquid passivating agent, stirring and mixing uniformly, then sending the mixture into a bottom layer, after the deep non-polluted soil is dug up, adding a powdery modifying agent and a liquid modifying agent, stirring and mixing uniformly, and placing the mixture on the surface layer to achieve the purpose of farmland soil restoration. The soil with the polluted surface layer can be accurately completely excavated, and no residue exists. And can accurately match proper soil passivating agent and modifier and proper dosage of soil passivating agent and modifier according to the polluted degree of surface soil, thereby accurately repairing and improving the soil.
Description
Technical Field
The invention relates to the field of agriculture, in particular to in-situ soil-dressing restoration equipment and method for farmland contaminated soil.
Background
A phenomenon in which soil properties deteriorate and plant physiological functions are disturbed due to entry of physiologically toxic substances or excessive plant nutrient elements into soil is called soil pollution.
The soil is in the center of inorganic world and biological world in the land ecological system, not only energy and substances are circulated in the system, but also substances are continuously exchanged with water, atmosphere and organisms, and once pollution occurs, the three substances are mutually transferred. Contaminants absorbed and accumulated by crops from the soil often affect human health by being transported through the food chain.
After farmland pollution, the growth of crops is seriously affected.
The common farmland contaminated soil restoration equipment in the prior art is coarser, and can not accurately restore and improve the contaminated farmland.
Disclosure of Invention
The invention aims to provide in-situ foreign soil restoration equipment for farmland contaminated soil, which can accurately restore and improve contaminated farmland.
The invention aims to provide an in-situ foreign soil restoration method for farmland contaminated soil, which has high accuracy and good restoration effect on farmland soil.
In order to achieve the above object, the technical scheme adopted by the embodiment of the invention is as follows:
an in-situ soil remediation device for farmland contaminated soil, comprising: a frame; an excavating device; the excavating device is connected to the frame; the excavating device can move along the X axis, the Y axis and the Z axis; a stirring device; the stirring device comprises a first stirring device and a second stirring device; the first stirring device is configured for passivating the contaminated soil of the surface layer; the second stirring device is configured for conditioning deep uncontaminated but non-nutrient soil; the first stirring device is provided with a first accommodating cavity and a first stirring assembly; the second stirring device is provided with a second accommodating cavity and a second stirring assembly; the first accommodating cavity and the second accommodating cavity are provided with discharge openings; a medicament delivery device; the medicament delivery device is arranged on the frame and is arranged above the first accommodating cavity and the second accommodating cavity; the medicament delivery device comprises a powder passivating agent delivery device for delivering the powder passivating agent into the polluted soil on the inner surface layer of the first accommodating cavity; the liquid passivating agent spraying device is used for adding a liquid passivating agent into the polluted soil on the inner surface layer of the first accommodating cavity; a powdery modifier feeding device for feeding a powdery modifier into the non-polluted non-nutrient soil in the second accommodating cavity; a liquid modifier spraying device for adding a liquid modifier into the non-polluted non-nutrient soil in the second accommodating cavity; the conveying device comprises a first conveying belt, a second conveying belt and a roll shaft, wherein the roll shaft is arranged on the frame and drives the first conveying belt and the second conveying belt to move; the first conveyer belt is arranged at the discharge opening of the first stirring device, and the second conveyer belt is arranged at the discharge opening of the second stirring device; a detection and analysis mechanism; the detection and analysis mechanism is arranged on the frame and is used for detecting the thickness of the polluted soil and the soil pollution degree and sending out the thickness information and the soil pollution degree information; a control mechanism; the control mechanism comprises a computer and a plurality of driving mechanisms; the detection and analysis mechanism is connected with the computer in a communication way; the stirring device, the medicament delivery device, the conveying device and the excavating device are respectively and electrically connected with the driving mechanisms; the control mechanism is configured to control the excavating device to excavate surface soil with corresponding thickness according to the thickness information detected by the received detection and analysis mechanism, dump the surface soil into the first accommodating cavity, and dump the surface soil on the first conveyor belt after passivation; simultaneously, the excavating device is controlled to excavate deep soil and then pour the deep soil into the second accommodating cavity, and the deep soil is unloaded on the second conveying belt after improvement; and the control mechanism is configured to control the powdery modifier adding device and the liquid modifier spraying device to add the modifier to the second accommodating cavity; and controlling the powder passivating agent adding device and the liquid passivating agent spraying device to add the passivating agent into the first accommodating cavity according to the received surface soil pollution degree information detected by the detection and analysis mechanism.
In a preferred embodiment of the present invention, the excavating device includes a bucket and a robotic arm; the bucket is connected to the mechanical arm; the mechanical arm is connected to the frame.
In a preferred embodiment of the invention, the frame comprises a support frame and a track structure; the crawler belt structure is rotationally connected to the supporting frame; the excavating device, the conveying device, the medicament delivery device, the stirring device, the detection and analysis mechanism and the control mechanism are all connected to the supporting frame.
In a preferred embodiment of the invention, the first conveyor belt and the second conveyor belt each comprise a vibrating assembly and a screen assembly; the vibration component is arranged at the bottom of the screen component; the screen assembly is arranged on the frame; the screen assembly is used for placing deep soil.
In a preferred embodiment of the invention, the vibration assembly comprises a cam mechanism, a sliding plate and a motor, wherein the motor is connected with the cam mechanism in a transmission way; the cam mechanism is connected with the sliding plate in a transmission way, the sliding plate is connected with the screen assembly in a transmission way, and the screen assembly can reciprocate on the sliding plate under the driving of the cam mechanism.
In a preferred embodiment of the present invention, the first and second stirring assemblies each include a stirring portion and a crushing portion.
In a preferred embodiment of the present invention, the stirring part includes a plurality of stirring teeth and a supporting rod, the plurality of stirring teeth are all connected to the supporting rod, and the supporting rod is rotatably connected to the first accommodating cavity or the second accommodating cavity; the crushing part comprises a plurality of blades which are rotatably connected in the first accommodating cavity or the second accommodating cavity.
In a preferred embodiment of the invention, the liquid passivating agent spraying device and the liquid modifying agent spraying device both comprise a first conveying pump, a first spraying main pipe and a plurality of first spray heads; the first spray heads are connected to the first spray main pipe; the first spraying main pipe is connected with the first conveying pump; the plurality of first spraying main pipes all adopt spiral nozzles; the spiral nozzles are respectively arranged at intervals along the length direction of the first spraying main pipe; the powder passivating agent feeding device and the powder modifying agent feeding device both comprise a solid medicament tank and a screw conveyor; the discharge port of the solid medicament tank is connected with the feed port of the screw conveyor; the discharge hole of the screw conveyor is communicated with the first accommodating cavity and the second accommodating cavity.
In a preferred embodiment of the invention, the detection and analysis mechanism comprises a contamination detection probe; the pollution detection probe is used for sending the result to the computer after the soil is subjected to pollution detection.
An in-situ foreign soil remediation method for farmland contaminated soil, comprising: the detection and analysis mechanism detects the thickness of the contaminated soil and the soil pollution degree in the farmland and sends thickness information to the computer; the computer makes an excavating command according to the thickness information, the excavating device excavates the corresponding thick surface soil according to the excavating command, the surface soil is poured into the first stirring device, the deep soil is poured into the second stirring device, the computer makes a powder passivating agent adding command and a liquid passivating agent spraying command according to the pollution degree information of the surface soil, the powder passivating agent adding device adds a proper powder passivating agent according to the adding command, and the liquid passivating agent adding device sprays a proper liquid soil conditioner passivating agent according to the spraying command; the powder modifier adding device adds the powder modifier of the powder modifier into the second stirring device; the liquid modifier spraying device is used for adding a liquid modifier into the non-polluted non-nutrient soil in the second stirring device; pouring the surface soil subjected to passivation treatment onto a first conveying belt, and vibrating and scattering the surface soil into farmlands; pouring the improved deep soil onto a second conveyer belt, and vibrating and scattering to cover the passivated surface soil.
The beneficial effects of the invention are as follows:
the invention provides farmland contaminated soil in-situ soil-alien repair equipment which comprises a frame, an excavating device, a stirring device, a medicament throwing device, a conveying device, a detection and analysis mechanism and a control mechanism. After the surface layer polluted soil is dug up, adding a powdery stabilizer and a liquid stabilizer, stirring and mixing uniformly, then sending the mixture into a bottom layer, after the deep non-polluted soil is dug up, adding a powdery modifier and a liquid modifier, stirring and mixing uniformly, and placing the mixture on the surface layer to achieve the aim of improving farmland soil. In the process, the soil with the polluted surface layer can be accurately completely excavated, and no residue exists. And can accurately match proper soil conditioner and proper dosage of soil conditioner according to the contaminated degree of surface soil, thereby accurately repairing and improving soil. Compared with the prior art, the farmland contaminated soil in-situ foreign soil restoration equipment is high in automation degree, accurate in restoration of farmland and good in restoration effect.
The invention provides a farmland contaminated soil in-situ soil-dressing restoration method, which comprises the following steps: the detection and analysis mechanism detects the thickness of the contaminated soil in the farmland and the soil pollution degree. The excavating device excavates the correspondingly thick surface soil according to the excavating command and dumps the soil into the stirring device. The medicament delivery device sprays proper soil conditioner according to the spraying command. Pouring the surface soil added with the modifier to the bottom layer, and covering the deep soil on the surface soil. The method has high accuracy and good restoration effect on farmland soil.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of an in-situ soil remediation device for farmland contaminated soil, according to a first embodiment of the present invention;
fig. 2 is a schematic view of an operation room structure of an in-situ soil-dressing apparatus for farmland contaminated soil according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a liquid agent spraying device of an in-situ soil-dressing restoration device for farmland contaminated soil according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a solid medicament delivery device of an in-situ soil remediation device for farmland contaminated soil according to a first embodiment of the present invention;
fig. 5 is a schematic structural view of a vibration assembly of an in-situ soil remediation device for farmland contaminated soil according to a first embodiment of the present invention;
fig. 6 is a schematic structural view of a stirring device of an in-situ soil remediation device for farmland contaminated soil according to a first embodiment of the present invention.
Icon: 100-farmland contaminated soil in-situ soil-dressing restoration equipment; 110-a frame; 111-supporting frames; 112-track structure; 113-an operating room; 120-excavating device; 121-a bucket; 122-a mechanical arm; 130-stirring device; 131-a first accommodation chamber; 132-a first stirring assembly; 133-stirring part; 134-crushing section; 135-a second receiving chamber; 140-a medicament delivery device; 141-a transfer pump; 142-spraying a main pipe; 143-spray heads; 144-solid medicament tank; 145-screw conveyor; 150-a conveying device; 154-a vibration assembly; 155-a cam mechanism; 156-skateboard; 157-a motor; 158-a screen assembly; 160-detecting and analyzing mechanism; 170-control mechanism.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In describing embodiments of the present invention, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "inner", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that the inventive product is conventionally put in use, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
First embodiment
Referring to fig. 1-6, the present embodiment provides an in-situ soil remediation device 100 for farmland contaminated soil, which includes a frame 110, an excavating device 120, a stirring device 130, a medicament delivery device 140, a conveying device 150, a detection and analysis mechanism 160 and a control mechanism 170.
Further, the frame 110 includes a support frame 111 and a track structure 112. The track structure 112 is rotatably connected to the support frame 111. The excavating device 120, the transporting device 150, the medicine dispensing device 140, the stirring device 130, the detection and analysis mechanism 160, and the control mechanism 170 are connected to the support frame 111.
Further, an operation room 113 is provided on the frame 110. And detect analysis mechanism 160, control mechanism 170, the part that medicament input device 140 added modifier and passivating agent all set up in operating room 113 to operating personnel can drive, detect the analysis to soil to whole farmland contaminated soil normal position soil alien soil repair equipment 100 in operating room 113, are favorable to guaranteeing farmland prosthetic accuracy.
By arranging the crawler belt structure 112, the movement of the whole farmland contaminated soil in-situ soil-alien-site soil remediation device 100 in the farmland is facilitated, and the inconsistent rolling degree of different areas of farmland soil cannot be caused in the transportation process. The particular track structure 112 may be selected from tracks common in the art.
Further, the support frame 111 is rotatably connected to the crawler structure 112, which is beneficial for the excavating device 120 arranged on the support frame 111 to excavate the farmland.
In alternative embodiments of the present invention, the track structure 112 described above may be replaced with a wheel structure.
Further, the excavating device 120 includes a bucket 121 and a robot arm 122; bucket 121 is connected to robotic arm 122; the robot arm 122 is coupled to the frame 110.
The bucket 121 is connected to the frame 110 by the mechanical arm 122, so that the bucket 121 can flexibly move, and further movement along three directions of an X axis, a Y axis and a Z axis is realized. The specific configuration of the robotic arm 122 may be selected from those commonly available in the art.
In alternative embodiments of the invention, the bucket 121 described above may be replaced with a milling drum or plow.
Further, the stirring device 130 includes a first stirring device and a second stirring device. Wherein the first stirring device comprises a first accommodating cavity 131 and a first stirring assembly 132; the first stirring assembly 132 is disposed in the first accommodating chamber 131; the first accommodating cavity 131 is connected to the frame 110; the first receiving chamber 131 has a discharge opening.
Further, the first stirring assembly 132 includes a stirring portion 133 and a crushing portion 134, and the crushing portion 134 and the stirring portion 133 are both connected in the first accommodating chamber 131. The stirring part 133 comprises a plurality of stirring teeth and a supporting rod, the plurality of stirring teeth are connected with the supporting rod, and the supporting rod is rotatably connected in the first accommodating cavity 131; the crushing portion 134 includes a plurality of blades rotatably coupled within the first receiving chamber 131.
Through setting up first stirring subassembly 132, when the top layer soil is emptyd to in the first holding chamber 131, spray the soil improvement agent in this first holding chamber 131 can be through this first stirring subassembly 132 stirring, and then improve the restoration effect to soil. By providing the crushing portion 134, some of the larger pieces of soil or the cohesive soil can be crushed, thereby improving the stirring effect.
In alternative embodiments of the present invention, the breaker portion 134 may be a blade with knife blade.
The basic structure of the second stirring device is identical to that of the first stirring device, and will not be described here again. The second stirring device is configured for conditioning deep uncontaminated but non-nutrient soil.
Further, the medicine dispensing device 140 includes a powder passivating agent dispensing device for dispensing a powder passivating agent into the contaminated soil on the inner surface layer of the first accommodating chamber 131; a liquid passivating agent spraying device for spraying a liquid passivating agent into the polluted soil on the inner surface layer of the first accommodating cavity 131; a powdery modifier feeding device for feeding a powdery modifier into the non-polluted non-nutrient soil in the second accommodation chamber 135, and a liquid modifier spraying device for feeding a liquid modifier into the non-polluted non-nutrient soil in the second accommodation chamber 135.
By arranging the medicament delivery device 140 on the housing 110, and the medicament delivery device 140 is arranged above the first receiving chamber 131 and the second receiving chamber 135. When the surface soil is poured into the accommodating cavity, the soil conditioner can be accurately sprayed into the first accommodating cavity 131, so that the accuracy of soil remediation is further improved.
Further, the liquid passivating agent spraying device and the liquid modifying agent spraying device each comprise a first conveying pump 141, a first spraying main pipe 142 and a plurality of first spray heads 143; the first spray nozzles 143 are connected to the first spray main pipe 142; the first spray main 142 is connected to the first transfer pump 141; the plurality of first spray main pipes 142 are all spiral nozzles; the plurality of spiral nozzles are disposed at intervals along the length direction of the first spray main pipe 142, respectively.
Further, the powder passivating agent feeding device and the powder modifying agent feeding device each include a solid medicament tank 144 and a screw conveyor 145. The discharge port of the solid medicine tank 144 is connected with the feed port of the screw conveyor 145. The discharge port of the screw conveyor 145 is communicated with the first accommodating chamber 131 and the second accommodating chamber 135.
In the present embodiment, the screw conveyor 145 is disposed above the first and second receiving chambers 131 and 135, respectively, so that the powdered passivating agent and the powdered modifying agent can be fed into the first and second receiving chambers 131 and 135 through the screw conveyor 145.
Through setting up liquid passivating agent sprinkler, liquid modifier sprinkler and likepowder passivating agent dosing device and likepowder modifier dosing device, can further improve the homogeneity of the mixture of top layer soil and soil modifier, and then be favorable to improving soil prosthetic accuracy.
Further, the conveying device 150 includes a first conveying belt, a second conveying belt, and a roller, which is disposed on the frame 110 and drives the first conveying belt and the second conveying belt to move; the first conveyor belt is arranged at the discharge opening. The second conveyer belt is arranged at the discharge opening of the second stirring device.
Further, the first and second conveyor belts each include a vibration assembly 154 and a screen assembly 158. The vibration assembly 154 is disposed at the bottom of the screen assembly 158. A screen assembly 158 is disposed on the frame 110.
When the surface soil and the soil conditioner are uniformly mixed, the surface soil and the soil conditioner are poured onto the first conveyor belt, and the vibration assembly 154 can vibrate the first conveyor belt, so that the surface soil is vibrated and scattered into farmlands. Further, by providing the screen assembly 158, surface soil can be freed of some debris or large particulate matter through the screen during the vibration spill. Further improving the precision of farmland restoration. Further, also when the deep soil is poured onto the second conveyor belt and then sprayed onto the farmland by vibration, it is covered on the above-mentioned modified surface soil, and impurities or large particles are removed by the screen assembly 158.
It should be noted that the method may be used to screen out large foreign matters before adding the passivating agent or the modifying agent to the soil.
Further, the vibration assembly 154 includes a cam mechanism 155, a slide plate 156, and a motor 157, the motor 157 being drivingly connected to the cam mechanism 155; the cam mechanism 155 is in transmission connection with the sliding plate 156, the sliding plate 156 is in transmission connection with the screen assembly 158, and the screen assembly 158 can reciprocate on the sliding plate 156 under the driving of the cam mechanism 155.
Specifically, a cam mechanism 155, a slide plate 156, and a motor 157 are provided at both ends of the first conveyor belt. The output shaft transmission of motor 157 is connected in cam mechanism 155, and cam mechanism 155 makes a round trip under the drive of motor 157 to drive slide 156 makes a round trip to rock, and the first transport of fixed connection on slide 156 is rocked along with slide 156 is violently, and then will place soil on it and spill into screen assembly 158 uniformly, and is further unrestrained to the farmland.
Further, the detection and analysis mechanism 160 is disposed on the frame 110, and the detection and analysis mechanism 160 is configured to detect the thickness of the contaminated soil and the soil pollution level, and send the thickness information and the soil pollution level information out.
Further, the detection and analysis mechanism 160 includes a contamination detection probe; the pollution detection probe is used for sending the result to the computer after the soil is subjected to pollution detection.
The contamination detection probes described above may be selected from available probe structures commonly known in the art. Analysis software is stored in the computer in advance, so that information detected by the pollution detection probe can be analyzed, and a command is sent.
In alternative embodiments of the invention, other removable terminals may be selected.
Further, the control mechanism 170 includes a computer and a plurality of driving mechanisms; the detection and analysis mechanism 160 is communicatively connected to a computer; the stirring device 130, the medicine dispensing device 140, the delivery device 150, and the excavating device 120 are electrically connected to a plurality of driving mechanisms, respectively.
Wherein, the control mechanism 170 is configured to control the digging component to dig the surface soil with corresponding thickness according to the thickness information detected by the received detection and analysis mechanism 160, and dump the surface soil into the first accommodating cavity 131, and dump the surface soil on the first conveyor after passivation; meanwhile, the excavating component is controlled to excavate the deep soil and then pour the deep soil into the second accommodating cavity 135, and the deep soil is discharged on the second conveyor belt after improvement. The control mechanism 170 is configured to control the feeding of the modifier in powder form and the spraying of the modifier in liquid form to the second containing chamber 135; and controlling the powder passivating agent adding device and the liquid passivating agent spraying device to add the passivating agent into the first accommodating cavity 131 according to the received surface soil pollution degree information detected by the detection and analysis mechanism 160.
Second embodiment
The embodiment provides a farmland contaminated soil in-situ soil-dressing restoration method, which comprises the following steps:
the detection and analysis mechanism detects the thickness of the contaminated soil and the soil pollution degree in the farmland and sends thickness information to the computer;
the computer makes an excavating command according to the thickness information, the excavating device excavates the corresponding thick surface soil according to the excavating command, the surface soil is poured into the first stirring device, the deep soil is poured into the second stirring device, the computer makes a powder passivating agent adding command and a liquid passivating agent spraying command according to the pollution degree information of the surface soil, the powder passivating agent adding device adds a proper powder passivating agent according to the adding command, and the liquid passivating agent spraying device sprays a proper liquid soil modifying agent according to the spraying command;
the powder modifier adding device adds the powder modifier of the powder modifier into the second stirring device; the liquid modifier spraying device is used for adding a liquid modifier into the non-polluted non-nutrient soil in the second stirring device;
pouring the surface soil subjected to passivation treatment onto a first conveying belt, and vibrating and scattering the surface soil into farmlands; pouring the improved deep soil onto a second conveyer belt, and vibrating and scattering to cover the passivated surface soil.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Claims (8)
1. Farmland contaminated soil normal position alien earth repair equipment, characterized by, include:
a frame;
an excavating device; the excavating device is connected to the frame; the excavating device can move along three directions of an X axis, a Y axis and a Z axis;
a stirring device; the stirring device comprises a first stirring device and a second stirring device; the first stirring device is configured for passivating the contaminated soil of the surface layer; the second stirring device is configured for conditioning deep soil; the first stirring device is provided with a first accommodating cavity and a first stirring assembly; the second stirring device is provided with a second accommodating cavity and a second stirring assembly; the first accommodating cavity and the second accommodating cavity are provided with discharge openings; the deep soil refers to soil which is deep and uncontaminated but not nutrient;
a medicament delivery device; the medicament delivery device is arranged on the frame and is arranged above the first accommodating cavity and the second accommodating cavity; the medicament delivery device comprises a powder passivating agent delivery device for delivering powder passivating agent into polluted soil on the inner surface layer of the first accommodating cavity; the liquid passivating agent spraying device is used for adding a liquid passivating agent into the polluted soil on the inner surface layer of the first accommodating cavity; a powdery modifier feeding device for feeding a powdery modifier into the non-polluted non-nutrient soil in the second accommodating cavity; a liquid modifier spraying device for adding a liquid modifier into the non-polluted non-nutrient soil in the second accommodating cavity;
the conveying device comprises a first conveying belt, a second conveying belt and a roll shaft, wherein the roll shaft is arranged on the frame and drives the first conveying belt and the second conveying belt to move; the first conveyer belt is arranged at the discharge opening of the first stirring device, and the second conveyer belt is arranged at the discharge opening of the second stirring device; the first conveyor belt and the second conveyor belt each comprise a vibrating assembly and a screen assembly; the vibration assembly is arranged at the bottom of the screen assembly; the screen assembly is arranged on the frame;
a detection and analysis mechanism; the detection and analysis mechanism is arranged on the frame and is used for detecting the thickness of the polluted soil and the soil pollution degree and sending out thickness information and soil pollution degree information;
a control mechanism; the control mechanism comprises a computer and a plurality of driving mechanisms; the detection and analysis mechanism is connected with the computer in a communication way; the stirring device, the medicament delivery device, the conveying device and the excavating device are respectively and electrically connected with the driving mechanisms;
the control mechanism is configured to control the excavating device to excavate surface soil with corresponding thickness according to the received thickness information detected by the detection and analysis mechanism, dump the surface soil into the first accommodating cavity, and dump the surface soil on the first conveyor belt after passivation; simultaneously, the excavating device is controlled to excavate the deep soil and then pour the deep soil into the second accommodating cavity, and the deep soil is unloaded on the second conveying belt after improvement; and
the control mechanism is configured to control the powdery modifier adding device and the liquid modifier spraying device to add modifier to the second accommodating cavity; controlling the powder passivating agent adding device and the liquid passivating agent spraying device to add the passivating agent into the first accommodating cavity according to the received surface soil pollution degree information detected by the detection and analysis mechanism;
the detection and analysis mechanism detects the thickness of the contaminated soil and the soil pollution degree in the farmland and sends thickness information to the computer;
the computer makes an excavating command according to the thickness information, the excavating device excavates the surface soil with corresponding thickness according to the excavating command, the surface soil is poured into the first stirring device, the deep soil is poured into the second stirring device, the computer makes a powder passivating agent adding command and a liquid passivating agent spraying command according to the surface soil pollution degree information, the powder passivating agent adding device adds a proper powder passivating agent according to the adding command, and the liquid passivating agent adding device sprays a proper liquid soil modifier passivating agent according to the spraying command;
the powdery modifier adding device adds powdery modifier into the second stirring device; the liquid modifier spraying device is used for adding a liquid modifier into the deep soil in the second stirring device;
pouring the surface soil subjected to passivation treatment onto the first conveyor belt, and vibrating and scattering the surface soil into the farmland; pouring the improved deep soil onto the second conveying belt, and vibrating and scattering the deep soil to cover the passivated surface soil.
2. The farmland contaminated soil in-situ soil remediation apparatus according to claim 1, wherein,
the excavating device comprises a bucket and a mechanical arm;
the bucket is connected to the mechanical arm;
the mechanical arm is connected to the frame.
3. The farmland contaminated soil in-situ soil remediation apparatus according to claim 2, wherein,
the frame comprises a support frame and a crawler structure;
the crawler belt structure is rotatably connected to the supporting frame;
the excavating device, the conveying device, the medicament delivery device, the stirring device, the detection and analysis mechanism and the control mechanism are all connected to the supporting frame.
4. The farmland contaminated soil in-situ soil remediation apparatus according to claim 1, wherein,
the vibration assembly comprises a cam mechanism, a sliding plate and a motor, and the motor is connected with the cam mechanism in a transmission way; the cam mechanism is in transmission connection with the sliding plate, the sliding plate is in transmission connection with the screen assembly, and the screen assembly can reciprocate on the sliding plate under the driving of the cam mechanism.
5. The farmland contaminated soil in-situ soil remediation apparatus according to claim 1, wherein,
the first stirring assembly and the second stirring assembly each comprise a stirring portion and a crushing portion.
6. The farmland contaminated soil in-situ soil remediation apparatus of claim 5 wherein,
the stirring part comprises a plurality of stirring teeth and a supporting rod, the stirring teeth are connected with the supporting rod, and the supporting rod is rotationally connected in the first accommodating cavity or the second accommodating cavity;
the crushing part comprises a plurality of blades, and the blades are rotatably connected in the first accommodating cavity or the second accommodating cavity.
7. The farmland contaminated soil in-situ soil remediation apparatus according to claim 1, wherein,
the liquid passivating agent spraying device and the liquid modifying agent spraying device comprise a first conveying pump, a first spraying main pipe and a plurality of first spray heads; the first spray heads are connected to the first spray main pipe; the first spraying main pipe is connected with the first conveying pump; the plurality of first spraying main pipes adopt spiral nozzles; the spiral nozzles are respectively arranged at intervals along the length direction of the first spraying main pipe;
the powder passivating agent adding device and the powder modifying agent adding device both comprise a solid medicament tank and a screw conveyor; the discharge port of the solid medicament tank is connected with the feed port of the screw conveyor; the discharge hole of the screw conveyor is communicated with the first accommodating cavity and the second accommodating cavity.
8. An in-situ soil remediation apparatus for farmland contaminated soil according to any one of claims 1 to 7,
the detection and analysis mechanism comprises a pollution detection probe;
the pollution detection probe is used for sending the result to the computer after the pollution detection is carried out on the soil.
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| CN109604328B (en) * | 2019-01-16 | 2020-12-25 | 安徽工程大学 | Device for repairing heavy metal contaminated soil and repairing method thereof |
| CN109565988A (en) * | 2019-01-31 | 2019-04-05 | 中国盐业总公司盐业地质勘查大队 | Alkaline land soil governing system and its administering method |
| CN111056718B (en) * | 2019-12-09 | 2022-08-02 | 上海大学 | Intelligent dosing system for sludge in-situ treatment |
| CN115026119B (en) * | 2022-01-30 | 2023-05-02 | 湖北理工学院 | Contaminated soil mixed detection treatment restoration device and application method thereof |
| CN115365287B (en) * | 2022-08-04 | 2024-01-23 | 北京科技大学 | A excavate stirring medicine injection equipment for deep contaminated soil normal position is restoreed |
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