CN213728533U - A automation equipment for handling heavy metal contaminated soil - Google Patents
A automation equipment for handling heavy metal contaminated soil Download PDFInfo
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- CN213728533U CN213728533U CN202022795845.8U CN202022795845U CN213728533U CN 213728533 U CN213728533 U CN 213728533U CN 202022795845 U CN202022795845 U CN 202022795845U CN 213728533 U CN213728533 U CN 213728533U
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Abstract
The utility model relates to an automation equipment for handling heavy metal contaminated soil belongs to and pollutes soil processing apparatus technical field. The utility model is provided with a soil sampling device, and can complete the automatic sampling process by a material taking hopper, a conveying chain and a belt conveyor; the sampling box is provided with a heavy metal detector for detecting the heavy metal ion indexes in the treated soil. After the detection is finished, the sampling box opens an electric opening and closing door at the bottom of the sampling box, and the soil falls back to the treatment box; and then the sampling box closes the electric opening and closing door at the bottom of the sampling box, so that preparation is prepared for next sampling detection. The soil treatment condition can be monitored in real time by repeating the process. When the soil treatment reaches the standard, the control system can control the contaminated soil treatment device to stop running; then discharging the waste liquid; and finally, collecting the treated soil. The utility model discloses with the help of current conventional computer control program, then can realize polluting the automation of soil process.
Description
Technical Field
The utility model relates to an automation equipment for handling heavy metal contaminated soil belongs to and pollutes soil processing apparatus technical field.
Background
According to the second national pollution census result, the soil environment quality problem in China is not negligible, and the statistical result shows that the inorganic substance pollution in the polluted soil accounts for more than 80%, wherein the heavy metal pollution is a major problem. Because heavy metal pollutants have enrichment property and biotoxicity, the heavy metal pollutants not only have great harm to the ecological environment and biodiversity, but also accumulate in soil and are absorbed by plants, so that the heavy metal pollutants enter human bodies through food chains in an accumulated mode and pose great threat to human health, and therefore the heavy metal polluted soil restoration and treatment become the focus of increasing attention of people.
Most of the existing electrochemical devices for treating heavy metal contaminated soil adopt an artificial adding mode when an eluting agent is added, the determination of the heavy metal in the treated soil needs manual soil taking and determination, more manpower and material resources need to be consumed in the treatment mode, and unnecessary waste can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the automatic device for treating the heavy metal contaminated soil is beneficial to realizing the automation of the contaminated soil process.
For solving the technical problem the utility model discloses the technical scheme who adopts is: the automatic device for treating the heavy metal contaminated soil comprises a treatment box with a feeding hole at the top, wherein a spraying device is arranged at the upper part of the treatment box, the spraying direction of the spraying device faces the treatment box, the spraying device is provided with a liquid inlet pipe and an infusion pump in a matched mode, a conductive anode and a conductive cathode are arranged in the treatment box, and the conductive anode and the conductive cathode are both electrically connected with an electrode control power supply; the processing box is provided with a soil sampling device, and the soil sampling device comprises a sampling box, a material taking hopper, a hopper conveying device and a belt conveyor; the hopper conveying device comprises a conveying rack vertically arranged in the processing box, a conveying chain is installed on the conveying rack through a driving wheel, the conveying direction of the conveying chain is vertically arranged, the upper end of the material taking hopper is of an open structure, the lower end of the material taking hopper is arranged to be sharp, the material taking hopper is fixedly arranged on the conveying chain, the driving wheel arranged at the upper end of the conveying rack is provided with a driving motor in a matching mode, the material taking hopper is driven by the conveying chain to move to the upper end of the conveying rack, when the material taking hopper overturns for discharging, the material taking hopper is located at a discharging station, the feeding end of the belt conveyor is matched with the discharging station of the material taking hopper, and the discharging end of the belt conveyor is matched with the position of the feeding port of the sampling box; the sampling box sets up in the top of handling the case, and the bottom plate of sampling box sets up electronic open-close door, is provided with the heavy metal detector in the sampling box, and the feed liquor pipe sets up the flowmeter, and electronic open-close door, electrode control power, band conveyer, hopper conveyer, heavy metal detector, flowmeter and transfer pump all are connected with control system electrical.
Further, the method comprises the following steps: the plurality of material taking hoppers are arranged, and each material taking hopper is respectively provided with a hopper conveying device and a belt conveyor.
Further, the method comprises the following steps: the bottom in the treatment box is provided with a stirring device which is electrically connected with the control system.
Further, the method comprises the following steps: the bottom in the sampling box is provided with a stirring device which is electrically connected with the control system.
Further, the method comprises the following steps: handle lateral wall bottom and be provided with the leakage fluid dram, the leakage fluid dram has set electric valve, electric valve and control system electrical connection.
Further, the method comprises the following steps: the bottom plate of the treatment box is provided with an electric switch door structure, and a soil discharging funnel is arranged below the electric switch door; the electric switch door is electrically connected with the control system.
The utility model has the advantages that: be provided with soil sampling device, after in getting the hopper and inserting soil downwards, soil can get into from getting the hopper top, gets the material and accomplishes the back, and the conveying chain drives gets the hopper and goes upward, and after reaching the stroke peak, the conveying chain then can drive and get the hopper upset, emptys the soil material of acquireing to band conveyer on, carries to the sampling case via band conveyer, accomplishes the automatic sampling process. The heavy metal detector is used for detecting the indexes of heavy metal ions in the treated soil, and belongs to the prior art. After the detection is finished, the sampling box opens an electric opening and closing door at the bottom of the sampling box, and the soil falls back to the treatment box; and then the sampling box closes the electric opening and closing door at the bottom of the sampling box, so that preparation is prepared for next sampling detection. The soil sampling detection period can be designed in advance according to experimental conditions, and the soil treatment condition can be monitored in real time by repeating the process. When the soil treatment reaches the standard, the control system can control the contaminated soil treatment device to stop running; then discharging the waste liquid; and finally, collecting the treated soil. The utility model discloses with the help of current conventional computer control program, then can realize polluting the automation of soil process.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of the middle hopper conveying device of the present invention.
The labels in the figure are: handle case 1, feed liquor pipe 2, electrically conductive positive pole 3, electrically conductive negative pole 4, electrode control power supply 5, sample case 6, get hopper 7, hopper conveyer 8, band conveyer 9, conveying chain 10, driving motor 11, heavy metal detector 12, agitating unit 13, control system 14, agitating unit 15, leakage fluid dram 16, soil discharge funnel 17, eluent accumulator 18, waste liquid collection device 19, soil holds device 20, drive wheel 21.
Detailed Description
For the purpose of facilitating understanding and practicing the invention, preferred embodiments of the invention are further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the utility model comprises a treatment box 1 with a feed inlet at the top, a spraying device is arranged at the upper part of the treatment box 1, the spraying direction of the spraying device faces the treatment box 1, the spraying device is provided with a feed liquor pipe 2 and an infusion pump, a conductive anode 3 and a conductive cathode 4 are arranged in the treatment box 1, and the conductive anode 3 and the conductive cathode 4 are both electrically connected with an electrode control power supply 5; the processing box 1 is provided with a soil sampling device, and the soil sampling device comprises a sampling box 6, a material taking hopper 7, a hopper conveying device 8 and a belt conveyor 9; the hopper conveying device 8 comprises a conveying rack vertically arranged in the processing box 1, a conveying chain 10 is installed on the conveying rack through a driving wheel 21, the conveying direction of the conveying chain 10 is vertically arranged, the upper end of the material taking hopper 7 is of an open structure, the lower end of the material taking hopper 7 is of a sharp shape, the material taking hopper 7 is fixedly arranged on the conveying chain 10, the driving wheel 21 positioned at the upper end of the conveying rack is provided with a driving motor 11 in a matching mode, when the conveying chain 10 drives the material taking hopper 7 to move to the upper end of the conveying rack, the material taking hopper 7 is located at a material discharging station when the material taking hopper 7 overturns to discharge, the material taking hopper 9 is located at the material discharging station of the material taking hopper 7, and the material discharging end of the belt conveyor 9 is located at the material feeding station of the sampling box 6; the sampling box 6 is arranged above the treatment box 1, the bottom plate of the sampling box 6 is provided with an electric opening and closing door, the sampling box 6 is internally provided with a heavy metal detector 12, the liquid inlet pipe 2 is provided with a flow meter 13, and the electric opening and closing door, the electrode control power supply 5, the belt conveyor 9, the hopper conveying device 8, the heavy metal detector 12, the flow meter 13 and the infusion pump are all electrically connected with a control system 14. The lower end of the material taking hopper 7 is designed to be sharp so as to be convenient for inserting into the soil, for example, the material taking hopper 7 is cylindrical, and the lower end of the material taking hopper 7 can be designed to be conical; the material taking hopper 7 is of a rectangular section, the lower ends of two oppositely arranged side wall plates can be directly connected, and the connecting part of the two side wall plates forms a sharp angle. After the material taking hopper 7 is inserted into soil downwards, the soil can enter from the top of the material taking hopper 7, after the material taking is completed, the conveying chain 10 drives the material taking hopper 7 to go upwards, and after the highest point of the stroke is reached, the conveying chain 10 can drive the material taking hopper 7 to turn over, so that the obtained soil material is poured onto the belt conveyor 9 and is conveyed to the sampling box 6 through the belt conveyor 9, and the automatic sampling process is completed. The heavy metal detector 12 is used for detecting indexes of heavy metal ions in the treated soil, and belongs to the prior art. After the detection is finished, the sampling box 6 opens an electric opening and closing door at the bottom of the sampling box, and the soil falls back to the treatment box 1; then the sampling box 6 closes the electric opening and closing door at the bottom thereof, and prepares for the next sampling detection. The soil sampling detection period can be designed in advance according to experimental conditions, and the soil treatment condition can be monitored in real time by repeating the process. When the soil treatment reaches the standard, the control system 14 can control the contaminated soil treatment device to stop running; then discharging the waste liquid; and finally, collecting the treated soil. The utility model discloses with the help of current conventional computer control program, then can realize polluting the automation of soil process.
In order to improve the accuracy of the sampling result, a plurality of material taking hoppers 7 are arranged, and each material taking hopper 7 is respectively provided with a hopper conveying device 8 and a belt conveyor 9. Each of the sampling hoppers 7 corresponds to a sampling point, and can sample from different positions in the treatment tank 1. In this embodiment, the number of the material-taking hoppers 7 is 5.
In order to improve the accuracy of the sampling result, a stirring device 15 is arranged at the bottom in the processing box 1, and the stirring device 15 is electrically connected with the control system 14; the sampling chamber 6 is also provided with a stirring device 15 at the bottom, the stirring device 15 being electrically connected to the control system 14.
In order to collect waste liquid, the bottom end of the side wall of the treatment box 1 is provided with a liquid outlet 16, and the liquid outlet 16 is provided with an electric valve which is electrically connected with the control system 14.
The soil after the treatment is convenient to automatically collect; the bottom plate of the treatment box 1 is provided with an electric switch door structure, and a soil discharging funnel 17 is arranged below the electric switch door; the power switch door is electrically connected to the control system 14.
The utility model discloses the electronic door that opens and shuts that sets at the bottom plate of sampling case 6 is current conventional technology at the electric switch door that sets of the bottom plate of handling case 1, can adopt the structure of opening of rotation type or picture peg formula generally to open the structure.
The utility model discloses when concrete implementation, the accessible is realized with following step: before the device is operated, the eluent is added into the eluent storage 18 with large capacity at one time. Then, after a fixed amount of contaminated soil is put into the treatment box 1, a system operation button is clicked to start operation. During operation, the control system 14 controls the stirring device 15 at the bottom of the treatment box 1 to start, and after stirring for a period of time at a certain stirring speed, the polluted soil is uniformly mixed.
The control system 14 loads the soil sample of 5 points taken by the running soil sampling device into the sampling box 6, then the soil sample is uniformly mixed by the stirring device 15 in the sampling box 6, and the heavy metal content in the soil sample is measured by the heavy metal detector 12. After the data is transmitted to the control system 14, the amount of eluent added is automatically analyzed by the system. After the output instruction reaches the automatic metering device, the automatic metering device measures a corresponding amount of eluent and enters the processing box 1 through a pipeline, the flow meter 13 can monitor the input amount of the eluent, and the spraying device stops running when the dosage of the eluent set by the control system 14 is reached; in the process, the stirring device 15 at the bottom of the treatment box 1 keeps a stirring state, and the soil and the eluting agent are uniformly mixed; after the eluent is added for a certain time, the stirring device 15 at the bottom of the treatment box 1 stops running, at the moment, the control system 14 controls the electrode control power supply 5 to be switched on, direct current starts to be supplied to the treatment box 1, and heavy metals in the soil move from the soil to the electrode and are adsorbed on the electrode, so that the aim of removing the heavy metals is fulfilled.
After the soil sampling device starts to operate for the first time, the control system 14 operates the soil sampling device at intervals, 5 soil samples are taken and are loaded into the sampling box 6, then the soil samples are uniformly mixed through the stirring device 15 in the sampling box 6, the heavy metal content in the soil samples is measured through the heavy metal detector 12, data are transmitted to the control system 14 for analysis, and when the heavy metal content is lower than a value which is required to be processed, the control system 14 controls the electrode to control the power supply 5, so that the electrochemical reaction in the processing box 1 is stopped.
The control system 14 controls an electric valve on a liquid outlet 16 of the treatment box 1 to open, so that the waste liquid flows into a waste liquid collecting device 19 at the side through a pipeline; after the waste liquid is collected, the electric valve on the liquid outlet 16 of the treatment box 1 is controlled by the control system 14 to be closed, and the electric switch door at the bottom of the treatment box 1 is opened, so that the soil falls into the soil containing device 20 from the soil outlet at the lower end of the soil discharging funnel 17. The control system 14 then controls the electrically operated opening and closing door at the bottom of the treatment chamber 1 to close.
Wherein, soil sampling device's operation process does: from the beginning of operation, the control system 14 will control the driving motor 11 to start once every certain time to drive the driving wheel 21 to rotate, so that the transmission chain 10 sleeved on the driving wheel 21 also rotates, the material taking hopper 7 fixed on the transmission chain 10 will move along the operation direction of the transmission chain 10 until entering the soil to take soil, then the driving motor 11 operates in the direction, the transmission chain 10 drives the material taking hopper 7 to transport upwards, after reaching the highest point, the soil is poured on the belt conveyor 9, and the belt conveyor 9 conveys the soil sample into the sampling box 6. The material taking hopper 7 returns to the initial position along the running direction of the conveying chain 10, and is ready for the next sampling, and the driving motor 11 stops running.
Claims (6)
1. The automatic device for treating the heavy metal contaminated soil comprises a treatment box (1) with a feeding hole in the top, wherein a spraying device is arranged on the upper portion of the treatment box (1), the spraying direction of the spraying device faces towards the treatment box (1), the spraying device is provided with a liquid inlet pipe (2) and an infusion pump in a matching mode, a conductive anode (3) and a conductive cathode (4) are arranged in the treatment box (1), and the conductive anode (3) and the conductive cathode (4) are both electrically connected with an electrode control power supply (5); the method is characterized in that: the treatment box (1) is provided with a soil sampling device, and the soil sampling device comprises a sampling box (6), a sampling hopper (7), a hopper conveying device (8) and a belt conveyor (9); the hopper conveying device (8) comprises a conveying rack vertically arranged in the processing box (1), a conveying chain (10) is installed on the conveying rack through a driving wheel (21), the conveying direction of the conveying chain (10) is vertically arranged, the upper end of the material taking hopper (7) is of an open structure, the lower end of the material taking hopper is of a sharp shape, the material taking hopper (7) is fixedly arranged on the conveying chain (10), the driving wheel (21) positioned at the upper end of the conveying rack is provided with a driving motor (11), when the conveying chain (10) drives the material taking hopper (7) to move to the upper end of the conveying rack, the material taking hopper (7) is positioned at a discharging station when the material taking hopper (7) overturns for discharging, the feeding end of the belt conveyor (9) is matched with the discharging station of the material taking hopper (7), and the discharging end of the belt conveyor (9) is matched with the feeding port of the sampling box (6); the sampling box (6) is arranged above the processing box (1), the bottom plate of the sampling box (6) is provided with an electric opening and closing door, a heavy metal detector (12) is arranged in the sampling box (6), the liquid inlet pipe (2) is provided with a flow meter (13), and the electric opening and closing door, the electrode control power supply (5), the belt conveyor (9), the hopper conveying device (8), the heavy metal detector (12), the flow meter (13) and the infusion pump are all electrically connected with a control system (14).
2. The automated apparatus for treating soil contaminated with heavy metals according to claim 1, wherein: a plurality of material taking hoppers (7) are arranged, and each material taking hopper (7) is respectively provided with a hopper conveying device (8) and a belt conveyor (9).
3. The automated apparatus for treating soil contaminated with heavy metals according to claim 1, wherein: a stirring device (15) is arranged at the bottom in the treatment tank (1), and the stirring device (15) is electrically connected with the control system (14).
4. The automated apparatus for treating soil contaminated with heavy metals according to claim 1, wherein: a stirring device (15) is arranged at the bottom in the sampling box (6), and the stirring device (15) is electrically connected with the control system (14).
5. The automated device for treating soil contaminated with heavy metals according to any one of claims 1 to 4, characterized in that: a liquid outlet (16) is formed in the bottom end of the side wall of the treatment box (1), and an electric valve is arranged on the liquid outlet (16) and is electrically connected with the control system (14).
6. The automated apparatus for treating soil contaminated with heavy metals according to claim 5, wherein: the bottom plate of the treatment box (1) is provided with an electric switch door structure, and a soil discharge hopper (17) is arranged below the electric switch door; the electric switch door is electrically connected with the control system (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022795845.8U CN213728533U (en) | 2020-11-27 | 2020-11-27 | A automation equipment for handling heavy metal contaminated soil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022795845.8U CN213728533U (en) | 2020-11-27 | 2020-11-27 | A automation equipment for handling heavy metal contaminated soil |
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| CN213728533U true CN213728533U (en) | 2021-07-20 |
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| CN202022795845.8U Active CN213728533U (en) | 2020-11-27 | 2020-11-27 | A automation equipment for handling heavy metal contaminated soil |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453042A (en) * | 2020-11-27 | 2021-03-09 | 中国电建集团成都勘测设计研究院有限公司 | A automation equipment for handling heavy metal contaminated soil |
| JP7460866B1 (en) | 2023-12-07 | 2024-04-03 | 生態環境部南京環境科学研究所 | Apparatus and method for remediating heavy metal contaminated soil based on humic acid leaching |
-
2020
- 2020-11-27 CN CN202022795845.8U patent/CN213728533U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453042A (en) * | 2020-11-27 | 2021-03-09 | 中国电建集团成都勘测设计研究院有限公司 | A automation equipment for handling heavy metal contaminated soil |
| JP7460866B1 (en) | 2023-12-07 | 2024-04-03 | 生態環境部南京環境科学研究所 | Apparatus and method for remediating heavy metal contaminated soil based on humic acid leaching |
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