CN112858639B - Device for simulating longitudinal migration of heavy metals in actual soil environment - Google Patents
Device for simulating longitudinal migration of heavy metals in actual soil environment Download PDFInfo
- Publication number
- CN112858639B CN112858639B CN202110248056.9A CN202110248056A CN112858639B CN 112858639 B CN112858639 B CN 112858639B CN 202110248056 A CN202110248056 A CN 202110248056A CN 112858639 B CN112858639 B CN 112858639B
- Authority
- CN
- China
- Prior art keywords
- water
- sampling
- organic
- outlet pipe
- constant temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 48
- 239000002689 soil Substances 0.000 title claims abstract description 46
- 238000013508 migration Methods 0.000 title claims abstract description 30
- 230000005012 migration Effects 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 114
- 238000005070 sampling Methods 0.000 claims abstract description 74
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 238000002386 leaching Methods 0.000 claims abstract description 27
- 238000012806 monitoring device Methods 0.000 claims abstract description 17
- 238000004088 simulation Methods 0.000 claims abstract description 5
- 239000011521 glass Substances 0.000 claims description 52
- 239000000706 filtrate Substances 0.000 claims description 23
- 230000002572 peristaltic effect Effects 0.000 claims description 15
- 238000007142 ring opening reaction Methods 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 11
- 238000005056 compaction Methods 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 238000002474 experimental method Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 241000282412 Homo Species 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 231100000693 bioaccumulation Toxicity 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Analytical Chemistry (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a device for simulating longitudinal migration of heavy metals in an actual soil environment, and belongs to the technical field of mine geotechnical engineering environment science. Comprises a bracket device, a leaching column device, a water supply device, a water outlet device, a collecting device, a sampling device and the like. The bracket device is used for supporting and fixing devices required by experiments; the leaching device is used for providing water for leaching; the leaching column device is used for reacting the heavy metal migration process, and the water supply device is used for supplying required water to the constant-temperature heating device and collecting the used water; the collecting device is used for collecting the leachate; the sampling device is used for respectively taking out the soil of each layer; the circulating device is used for repeated circulation in the leaching column device; the flow rate monitoring device is used for monitoring and controlling the flow rate of the liquid. The device provided by the invention can simulate the longitudinal migration capacity of heavy metals and the concentration of heavy metals in each layer under the condition of actual temperature environment. The invention has the advantages of strong authenticity, convenient installation, detachability, good leaching effect and good simulation effect.
Description
Technical Field
The invention relates to a device for simulating longitudinal migration of heavy metals in an actual soil environment, and belongs to the technical field of mine geotechnical engineering environment science.
Background
Heavy metals are widely distributed in the atmosphere, water, soil, and organisms. Soil is the basis of human survival, the development speed and scale of mineral resources are continuously increased nowadays, the types and the quantity of heavy metals in tailings penetrating into the soil environment are increased, serious soil pollution threatens the human survival, and sediment is often a heavy metal storage warehouse and a final destination. When the environment changes, the heavy metal form in the bottom mud is converted and released to cause pollution. Heavy metals are not biodegradable, but are bioaccumulative and can directly threaten higher organisms, including humans. Therefore, it is important to study the heavy metal content and the longitudinal migration rule of the actual soil.
At present, the traditional method mainly uses traditional soil column experiments, so that the migration rule of heavy metals in soil is known. Although the earth pillar experiments can grasp the migration rule of heavy metals to a certain extent, the heavy metal content and the migration rule of each layer cannot be specifically researched, and the actual migration environment of the heavy metals cannot be ensured. The prior experimental device is used for drawing a conclusion based on a theoretical level, the practical application value is not very high, the traditional earth column device is single, and the obtained experimental result is not enough obvious.
Therefore, a device for simulating the longitudinal migration of heavy metals in an actual soil environment needs to be designed, and the designed device not only can solve the actual problem, but also is easy to operate, high in controllability and has a certain innovation.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a device for simulating longitudinal migration of heavy metals in an actual soil environment, which simulates the longitudinal migration conditions of different layers of heavy metals at the actual temperature through a constant temperature device, a temperature monitoring and measuring system and a sampling device.
The technical scheme adopted by the invention is as follows: the utility model provides a device of heavy metal longitudinal migration in simulation actual soil environment which characterized in that: comprises a bracket device, a leaching column device, a water supply device, a water outlet device, a collecting device, a sampling device, a circulating device, a flow rate monitoring device, a temperature monitoring device and a constant-temperature heating device;
the bracket device comprises a bracket base 1, a vertical supporting rod 20, a horizontal fixing rod 14, a supporting rod fixing nut 15, a fixing clamp 16 and a telescopic rod 22;
the leaching device comprises a water reservoir 24, a leaching solution inlet pipe 23 and a spray head 19;
the leaching column device comprises an organic columnar glass column 17, a top gravel layer 18 and a bottom gravel layer 34;
the water supply device comprises a water storage bottle 44, a water inlet pipe 43 of the constant temperature device, a water supply flowmeter 39 and a temperature sensor 40;
the water outlet device comprises a water outlet pipe 29 and a plurality of water outlet pipes which are communicated with the side wall of the organic columnar glass column 17 and are distributed at intervals up and down; a screen display 33 for detecting and displaying the temperature of the discharged water is mounted on the water outlet pipe 29;
the temperature monitoring device is a temperature sensor 40 arranged on a water inlet pipe 43 of the constant temperature device;
the sampling device comprises a sampling ring opening 12, a sampling drawer 21 and a leakage-proof plugboard 13; the leak-proof plugboard 13 is used for opening and closing the sampling ring opening 12, and the sampling drawer 21 extends into the sampling ring opening 12;
the circulating device comprises a water tank 2, a first circulating pipe 6, an upper peristaltic pump 42, a lower peristaltic pump 9, a water stop clamp 10 and a second circulating pipe 7;
the flow speed monitoring device is arranged in the frequency conversion box 3;
the constant temperature heating device comprises a constant temperature outer shell 8, a constant temperature inner shell 52 and a constant temperature base; a heat preservation layer is arranged between the constant temperature outer shell 8 and the constant temperature inner shell 52, a constant temperature base is arranged in the heat preservation layer at the bottom, a heating cavity is arranged at the inner side of the constant temperature inner shell 52, and an organic columnar glass column 17 is positioned in the heating cavity and is arranged at intervals with the constant temperature inner shell 52;
the vertical support rod 20 is installed on one side of the support base 1, the upper end of the inside of the vertical support rod 20 is connected with a telescopic rod 22, the telescopic rod 22 is connected with one end of a horizontal fixing rod 14 through a support rod fixing nut 15, the other end of the horizontal fixing rod 14 sequentially passes through a constant temperature outer shell 8 and a constant temperature inner shell 52 and then is connected with a fixing clamp 16, the fixing clamp 16 is fixed on the outer side of an organic columnar glass column 17, the top end of the organic columnar glass column 17 is open and is internally provided with a top gravel layer 18 and a bottom gravel layer 34, a plurality of sampling ring openings 12 which are distributed at intervals up and down are arranged on the side wall of the organic columnar glass column 17 between the top gravel layer 18 and the bottom gravel layer 34, a water receiver 24 is connected with a spray head 19 through a solution inlet pipe 23, the spray head 19 is positioned above the organic columnar glass column 17 and is connected with a flow rate monitoring device, the water storage bottle 44 is communicated with the upper end of a heating cavity through a constant temperature device inlet pipe 43, the lower end of the heating cavity is connected with a water outlet pipe 29, the outlet pipe 29 and the outlet end of each liquid outlet pipe is respectively connected with a collecting device, the water tank 2 is placed on the support base 1, the lower end of the first 6 extends into the water tank 2, the upper end of the circulating pipe is connected with an upper peristaltic pump 42 and the upper peristaltic pump 17 and the upper end of the water tank 7 is connected with the upper end of the water inlet pipe 7 and the water inlet pipe 9 and the water outlet pipe is connected with the water inlet pipe 9.
Specifically, the sampling ring port 12 includes an upper sampling port slide rail 58 and a lower sampling port slide rail 57, the leak-proof insert plate 13 is disposed outside the sampling ring port 12 and slides on the upper sampling port slide rail 58 and the lower sampling port slide rail 57, and the middle of the sampling drawer 21 is a net or a plate.
Preferably, the sampling drawer 21 is provided with a drawer handle 38.
Preferably, the sampling ring ports 12 include an upper part, a middle part and a lower part, and a liquid outlet pipe is connected above each sampling ring port 12, and is respectively a top liquid outlet pipe 32, a middle liquid outlet pipe 31 and a bottom liquid outlet pipe 30.
Specifically, the collecting device comprises a filtrate collector 28, an automatic stirrer 27; the outlet ends of the water outlet pipe 29 and the liquid outlet pipes extend into the respective filtrate collectors 28 respectively, the automatic stirrer 27 is arranged in the filtrate collectors 28, and a switch button connected with the automatic stirrer 27 is arranged outside the filtrate collectors 28.
Preferably, a fixing device 45 is arranged at the upper part of the organic columnar glass column 17, the lower end of the fixing device 45 is connected with a compaction hammer 41, the compaction hammer 41 is driven to ascend when a magnet is placed on the fixing device 45, and the compaction hammer 41 falls on soil in the organic columnar glass column 17 when the magnet is not placed on the fixing device 45.
Preferably, nylon mesh cloth 11 is arranged at the inlets of the second circulating pipe 7 and each liquid outlet pipe.
Preferably, the organic columnar glass column 17, the leaching solution inlet pipe 23, the constant temperature device inlet pipe 43, the circulating pipe I6, the circulating pipe II 7, the water outlet pipe 29 and each liquid outlet pipe are made of rubber materials.
Preferably, the fixing clip 16 is fixed to the organic columnar glass column 17 by a fixing clip nut 37.
The beneficial effects of the invention are as follows:
1. the invention can analyze and compare the concentration of heavy metals in the filtrate under the condition of simulating the actual temperature.
2. The invention lays a foundation for analyzing the concentration of heavy metals in soil by sampling the soil in different layers.
3. According to the invention, the soil is in an actual temperature environment at all times through the temperature sensor and the temperature monitoring range of the constant-temperature screen display at all times, so that the simulation is more realistic.
4. According to the invention, the sampling drawer is arranged, so that the sampling is simple and convenient, and the experimental purpose can be achieved.
5. The invention can simulate the temperature in the real environment and effectively understand the migration rule of the heavy metal in the soil. The device is simple and practical, convenient to detach and more similar to the real environment.
6. The invention can control the speed of water flow through the frequency conversion box, so that the simulation effect is more obvious.
7. According to the invention, the circulating device is arranged, so that the concentration of the filtrate can be more accurate.
Drawings
FIG. 1 is a schematic view of the structure of the device of the present invention;
FIG. 2 is a schematic diagram of a thermostatic control device according to the present invention;
FIG. 3 is a schematic diagram of the structure of the inverter box;
fig. 4 is a schematic diagram of the structure of the sampling device.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific embodiments.
Example 1: as shown in fig. 1 to 4, a device for simulating longitudinal migration of heavy metals in an actual soil environment is characterized in that: comprises a bracket device, a leaching column device, a water supply device, a water outlet device, a collecting device, a sampling device, a circulating device, a flow rate monitoring device, a temperature monitoring device and a constant-temperature heating device;
the bracket device comprises a bracket base 1, a vertical supporting rod 20, a horizontal fixing rod 14, a supporting rod fixing nut 15, a fixing clamp 16 and a telescopic rod 22;
the telescopic rod 22 is connected to the support rod fixing nut 15, the horizontal fixing rod 14, the fixing clip 16 and the fixing clip nut 37, thereby fixing the organic columnar glass column 17 and moving the organic columnar glass column 17 up and down.
The leaching device comprises a water reservoir 24, a leaching solution inlet pipe 23 and a spray head 19;
the leaching column device comprises an organic columnar glass column 17, a top gravel layer 18 and a bottom gravel layer 34;
the water supply device comprises a water storage bottle 44, a water inlet pipe 43 of the constant temperature device, a water supply flowmeter 39 and a temperature sensor 40;
the water outlet device comprises a water outlet pipe 29 and a plurality of water outlet pipes which are communicated with the side wall of the organic columnar glass column 17 and are distributed at intervals up and down; a screen display 33 for detecting and displaying the temperature of the discharged water is mounted on the water outlet pipe 29;
the temperature monitoring device is a temperature sensor 40 arranged on a water inlet pipe 43 of the constant temperature device;
the sampling device comprises a sampling ring opening 12, a sampling drawer 21 and a leakage-proof plugboard 13; the leak-proof plugboard 13 is used for opening and closing the sampling ring opening 12, and the sampling drawer 21 extends into the sampling ring opening 12;
the circulating device comprises a water tank 2, a first circulating pipe 6, an upper peristaltic pump 42, a lower peristaltic pump 9, a water stop clamp 10 and a second circulating pipe 7;
the flow speed monitoring device is arranged in the frequency conversion box 3;
the constant temperature heating device comprises a constant temperature outer shell 8, a constant temperature inner shell 52 and a constant temperature base; a heat preservation layer is arranged between the constant temperature outer shell 8 and the constant temperature inner shell 52, a constant temperature base is arranged in the heat preservation layer at the bottom, a heating cavity is arranged at the inner side of the constant temperature inner shell 52, and an organic columnar glass column 17 is positioned in the heating cavity and is arranged at intervals with the constant temperature inner shell 52;
the vertical support rod 20 is installed on one side of the support base 1, the upper end of the inside of the vertical support rod 20 is connected with the telescopic rod 22, the telescopic rod 22 is connected with one end of the horizontal fixing rod 14 through the support rod fixing nut 15, the other end of the horizontal fixing rod 14 sequentially passes through the constant temperature outer shell 8 and the constant temperature inner shell 52 and then is connected with the fixing clamp 16, the fixing clamp 16 is fixed on the outer side of the organic columnar glass column 17, the top end of the organic columnar glass column 17 is opened and is internally provided with the top gravel layer 18 and the bottom gravel layer 34, the top gravel layer 18 and the bottom gravel layer 34 can prevent soil from being blocked, the side wall of the organic columnar glass column 17 between the top gravel layer 18 and the bottom gravel layer 34 is provided with a plurality of sampling circular ring openings 12 which are distributed at intervals up and down, the water receiver 24 is connected with the spray head 19 through the solution inlet pipe 23, the spray head 19 is positioned above the organic columnar glass column 17 and is connected with the flow rate monitoring device, the water storage bottle 44 is communicated with the upper end of the heating cavity through the constant temperature device inlet pipe 43, the lower end of the heating cavity is connected with the water outlet pipe 29, the outlet end of each liquid outlet pipe 29 is respectively connected with the collecting device, the water tank 2 is placed on the support base 1, the lower end of the first number 6 stretches into the water tank 2, the upper end of the water tank 2 is connected with the circulating pipe 7, the peristaltic pump 10 is connected with the water inlet pipe 17, the peristaltic pump 10 and the peristaltic pump 10 is connected with the water inlet pipe 17, the water inlet pipe and the peristaltic pump 10 is connected with the water inlet pipe and the water inlet device is connected with the water inlet device.
The external structure of the constant temperature heating device consists of a constant temperature outer shell 8, a constant temperature inner shell 52 and a constant temperature base, the internal structure of the constant temperature base consists of a heating machine 51, a lever system 46, a spring 48, a soft magnet 49, a key switch 50, a permanent magnet 47, upper and lower contacts between the lever system 46 and the key switch 50, and the heating machine 51 is connected with an external power supply socket 25 through an electric wire 26 to play a role of heating and heat preservation. The heating principle of the constant temperature base in the invention is similar to that of the electric cooker, and is a known technology and is not described in detail herein. When the temperature in the organic columnar glass column 17 is increased, a valve on the water inlet pipe 43 of the constant temperature device is opened to introduce cold water into the organic columnar glass column 17, so that the effect of adjusting the temperature is achieved.
The circulating device repeatedly circulates the water in the water tank 2 and the liquid in the organic columnar glass column 17, so that the concentration of heavy metals in the leaching solution is more accurate.
Further, the sampling ring port 12 includes an upper sampling port slide rail 58 and a lower sampling port slide rail 57, the leak-proof insert plate 13 is disposed outside the sampling ring port 12 and slides on the upper sampling port slide rail 58 and the lower sampling port slide rail 57, and the middle of the sampling drawer 21 is a net or a plate. The sampling drawer 21 is provided with a drawer handle 38.
The sampling device consists of two parts, including a sampling collar 12 and a sampling drawer 21. Before sampling soil, the organic columnar glass column 17 reserves a sampling circular ring opening 12, a sampling opening lower sliding rail 57 and a sampling opening upper sliding rail 58 are arranged on the upper side and the lower side of the sampling circular ring opening 12, the upper sliding rail and the lower sliding rail are connected with a leakage-proof inserting plate 13, and the leakage-proof inserting plate 13 has the following functions: the leakage of the material in the organic columnar glass column 17 is prevented before and after the soil extraction. When the soil is sampled, the leak-proof plugboard 13 is connected and slid to one side along the sliding rail, and the sampling drawer 21 is stretched into the sampling port by holding the drawer handle 38 by hand, so that the soil can be sampled. After the soil is taken out, the sampling drawer 21 is slowly pulled out, and then the leak-proof plugboard 13 is closed.
Further, in this embodiment, the sampling ring ports 12 include an upper part, a middle part and a lower part, and a liquid outlet pipe is connected above each sampling ring port 12, and is a top liquid outlet pipe 32, a middle liquid outlet pipe 31 and a bottom liquid outlet pipe 30 respectively, and a control valve identical to the bottom control valve 35 and a flowmeter identical to the middle flowmeter 36 are installed on each liquid outlet pipe. Three liquid outlet pipes are adopted, and the leaching solution in the upper part, the middle part and the lower part is just taken.
The constant temperature device comprises two layers of columnar outer shells, 7 holes are formed in each of the constant temperature outer shell 8 and the constant temperature inner shell 52, two holes are formed in the left side, and 5 holes are formed in the right side. The middle hole on the left is used for extending the horizontal fixing rod 14 in, and the lower hole is connected with the circulating pipe No. 7; the holes on the right are respectively connected with the water inlet pipe 43, the top liquid outlet pipe 32, the middle liquid outlet pipe 31, the bottom liquid outlet pipe 30 and the water outlet pipe 29 of the constant temperature device from top to bottom.
Further, the collecting device comprises a filtrate collector 28 and an automatic stirrer 27; the outlet ends of the water outlet pipe 29 and the liquid outlet pipes extend into the respective filtrate collectors 28 respectively, the filtrate collectors 28 in the collecting device are used for collecting the leaching solution flowing through the organic columnar glass column 17 and the water in the heating cavity between the organic columnar glass column 17 and the constant-temperature inner shell 52, the automatic stirrer 27 is arranged in the filtrate collectors 28, so that the concentration of the filtrate is uniform, the switch button is arranged outside the filtrate collectors 28, and the switch button is pressed when the automatic stirrer 27 is required to work. And a foundation is laid for improving the precision of the concentration of heavy metals in the filtrate by stirring.
Further, a fixing device 45 is arranged at the upper part of the organic columnar glass column 17, the lower end of the fixing device 45 is connected with a compaction hammer 41, the compaction hammer 41 is driven to ascend when a magnet is placed on the fixing device 45, and the compaction hammer 41 falls on soil in the organic columnar glass column 17 when the magnet is not placed on the fixing device 45. The integrated device can be used to compact soil within the organic columnar glass column 17 with compaction hammers 41 prior to use.
Further, nylon mesh cloth 11 is arranged at the inlets of the second circulating pipe 7 and each liquid outlet pipe, and the nylon mesh cloth 11 can prevent other substances in soil from entering the filtrate collector 28, so that a great error is caused to the concentration of heavy metals.
Further, the organic column glass column 17, the leaching solution inlet pipe 23, the constant temperature device inlet pipe 43, the circulating pipe I6, the circulating pipe II 7, the water outlet pipe 29 and the liquid outlet pipes are made of rubber materials.
Further, the fixing clip 16 is fixed to the organic columnar glass column 17 by a fixing clip nut 37.
Further, the flow rate monitoring device is arranged in an electric frequency box 3 and comprises a power indicator lamp 53, a power master switch 54, a variable frequency indicator lamp 55, a variable frequency switch 56, a variable frequency regulator 5 and a display 4. The flow rate monitoring means is used to detect and control the effect of the flow rate of liquid in the spray head 19.
The working principle of the device for simulating the longitudinal migration of heavy metals in the actual soil environment is as follows:
water in the water reservoir 24 flows into the organic columnar glass column 17 through the spray head 19 via the leaching solution inlet pipe 23, the leaching solution is formed after the water and soil in the organic columnar glass column 17 are mixed, and the control valves 35 on the water inlet pipe 43, the top-layer liquid outlet pipe 32, the middle-layer liquid outlet pipe 31, the bottom-layer liquid outlet pipe 30 and the water outlet pipe 29 of the constant-temperature device are closed. Initially, the showering solution flowing through the organic columnar glass column 17 moves from the upper layer to the lower layer, flows into the water tank 2 through the left circulating pipe No. 7, then flows into the organic columnar glass column 17 again under the action of the peristaltic pump 42 through the circulating pipe No. 6, and after repeated circulation for several times, the control valves on the top layer liquid outlet pipe 32, the middle layer liquid outlet pipe 31 and the bottom layer liquid outlet pipe 30 on the right are opened, and then the filtrate is collected by the filtrate collector 28, so that convenience is provided for subsequent determination and analysis of the concentration of heavy metals in different layers. After the filtrate is collected, the upper, middle and lower layers of soil are extracted by utilizing a sampling device, so that the heavy metal content in the soil of different layers can be conveniently measured, the heavy metal concentration in each layer of soil can be qualitatively compared, and further the longitudinal migration rule of the heavy metal can be analyzed.
Then simulating the longitudinal migration of heavy metals in the real environment, namely, a real soil environment must be created. The thermostat device solves this problem: the internal parts of the thermostat play a role in heating, and the water inlet pipe 43 of the thermostat and the water storage bottle 44 play a role in regulating the temperature, when the screen display 33 on the water outlet pipe 29 shows that the temperature inside the organic columnar glass column 17 is too high, the valve on the water inlet pipe 43 of the thermostat is opened so that cold water flows into the heating inner cavity of the constant-temperature inner shell 52 to achieve the purpose of cooling. When the screen display 33 on the water outlet pipe 29 shows that the temperature inside the organic columnar glass column 17 is too low, the heating machine 51 in the constant temperature base is electrified, so that the constant temperature base starts to be heated, the purpose of heating is achieved, and the temperature inside the organic columnar glass column 17 is further kept constant.
The detection signals of the water supply flowmeter 39, the temperature sensor 40 and the flowmeters on the liquid outlet pipes can be displayed through the display or an external display, and the staff can manually adjust the water quantity and the temperature of each part according to the detection signals according to the experiment requirement.
The device not only realizes the collection of heavy metals in the filtrate of different layers, but also realizes the simple sampling of the heavy metals of different layers in the soil, and further realizes the migration of the heavy metals in the simulated real environment, realizes the circulation of the filtrate, and improves the precision of the heavy metals. The device is utilized to research the longitudinal migration rule of heavy metals in actual soil, so that the theory is better combined with the actual soil, and a foundation is laid for reducing heavy metal pollution after the migration condition of the heavy metals is known.
While the present invention has been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. The utility model provides a device of heavy metal longitudinal migration in simulation actual soil environment which characterized in that: comprises a bracket device, a leaching column device, a water supply device, a water outlet device, a collecting device, a sampling device, a circulating device, a flow rate monitoring device, a temperature monitoring device and a constant-temperature heating device;
the bracket device comprises a bracket base (1), a vertical supporting rod (20), a horizontal fixing rod (14), a supporting rod fixing nut (15), a fixing clamp (16) and a telescopic rod (22);
the leaching device comprises a water receiver (24), a leaching solution inlet pipe (23) and a spray head (19);
the leaching column device comprises an organic columnar glass column (17), a top gravel layer (18) and a bottom gravel layer (34);
the water supply device comprises a water storage bottle (44), a water inlet pipe (43) of the constant temperature device, a water supply flowmeter (39) and a temperature sensor (40);
the water outlet device comprises a water outlet pipe (29) and a plurality of liquid outlet pipes which are communicated with the side wall of the organic columnar glass column (17) and are distributed at intervals up and down; a screen display (33) for detecting and displaying the temperature of the discharged water is arranged on the water outlet pipe (29);
the temperature monitoring device is a temperature sensor (40) arranged on a water inlet pipe (43) of the constant temperature device;
the sampling device comprises a sampling ring opening (12), a sampling drawer (21) and a leakage-proof plugboard (13); the leak-proof inserting plate (13) is used for opening and closing the sampling circular opening (12), and the sampling drawer (21) extends into the sampling circular opening (12);
the circulating device comprises a water tank (2), a first circulating pipe (6), an upper peristaltic pump (42), a lower peristaltic pump (9), a water stop clamp (10) and a second circulating pipe (7);
the flow speed monitoring device is arranged in the variable frequency box (3);
the constant temperature heating device comprises a constant temperature outer shell (8), a constant temperature inner shell (52) and a constant temperature base; a heat preservation layer is arranged between the constant temperature outer shell (8) and the constant temperature inner shell (52), a constant temperature base is arranged in the heat preservation layer at the bottom, a heating cavity is arranged at the inner side of the constant temperature inner shell (52), and an organic columnar glass column (17) is positioned in the heating cavity and is arranged at intervals with the constant temperature inner shell (52);
the vertical support rod (20) is arranged on one side of the support base (1), the upper end of the inside of the vertical support rod is connected with the telescopic rod (22), the telescopic rod (22) is connected with one end of the horizontal fixing rod (14) through a support rod fixing nut (15), the other end of the horizontal fixing rod (14) sequentially passes through the constant temperature outer shell (8) and the constant temperature inner shell (52) and then is connected with the fixing clamp (16), the fixing clamp (16) is fixed on the outer side of the organic columnar glass column (17), the top end opening of the organic columnar glass column (17) is internally provided with the top gravel layer (18) and the bottom gravel layer (34), a plurality of sampling circular ring openings (12) which are distributed at intervals are arranged on the side wall of the organic columnar glass column (17) between the top gravel layer (18) and the bottom gravel layer (34), the water storage device (24) is connected with the spray head (19) through a leaching solution inlet pipe (23), the spray head (19) is positioned above the organic columnar glass column (17) and is connected with the flow rate monitoring device, the water storage bottle (44) is communicated with the upper end of the heating cavity through the water inlet pipe (43), the lower end of the heating cavity is connected with the water outlet pipe (29), the water outlet pipe (29) is respectively connected with the water outlet pipe (29) and the water outlet pipe (2) in the water outlet pipe (2) and the water outlet pipe (2) is placed in the water tank (2), the upper end is connected with an upper peristaltic pump (42) and is positioned above the organic columnar glass column (17), the lower end of the circulating pipe II (7) extends into the water tank (2), the upper end is connected with a lower peristaltic pump (9) and a water stop clamp (10) and is communicated with the lower part of the organic columnar glass column (17), and a water inlet pipe (43) of the constant-temperature device and each liquid outlet pipe are provided with a flowmeter and a control valve;
the sampling ring opening (12) comprises an upper sampling opening sliding rail (58) and a lower sampling opening sliding rail (57), the leakage-proof inserting plate (13) is arranged on the outer side of the sampling ring opening (12) and slides on the upper sampling opening sliding rail (58) and the lower sampling opening sliding rail (57), and the middle part of the sampling drawer (21) is a net or a plate;
a drawer handle (38) is arranged on the sampling drawer (21).
2. The device for simulating longitudinal migration of heavy metals in an actual soil environment according to claim 1, wherein: the sampling circular ports (12) comprise an upper part, a middle part and a lower part, and a liquid outlet pipe is connected above each sampling circular port (12) and is respectively a top layer liquid outlet pipe (32), a middle layer liquid outlet pipe (31) and a bottom layer liquid outlet pipe (30).
3. The device for simulating longitudinal migration of heavy metals in an actual soil environment according to claim 1, wherein: the collecting device comprises a filtrate collector (28) and an automatic stirrer (27); the outlet ends of the water outlet pipe (29) and the liquid outlet pipes extend into the respective filtrate collectors (28), the automatic stirrer (27) is arranged in the filtrate collectors (28), and a switch button connected with the automatic stirrer (27) is arranged outside the filtrate collectors (28).
4. The device for simulating longitudinal migration of heavy metals in an actual soil environment according to claim 1, wherein: the device is characterized in that a fixing device (45) is arranged on the upper portion of the organic columnar glass column (17), the lower end of the fixing device (45) is connected with a compaction hammer (41), the compaction hammer (41) is driven to ascend when a magnet is placed on the fixing device (45), and the compaction hammer (41) falls onto soil in the organic columnar glass column (17) in a smashing mode when the magnet is not placed on the fixing device (45).
5. A device for simulating longitudinal migration of heavy metals in an actual soil environment according to claim 1 or 3, characterized in that: nylon mesh cloth (11) is arranged at the inlets of the second circulating pipe (7) and each liquid outlet pipe.
6. The device for simulating longitudinal migration of heavy metals in an actual soil environment according to claim 1, wherein: the organic columnar glass column (17), the leaching solution inlet pipe (23), the thermostatic device inlet pipe (43), the circulating pipe I (6), the circulating pipe II (7), the water outlet pipe (29) and all the liquid outlet pipes are made of rubber materials.
7. The device for simulating longitudinal migration of heavy metals in an actual soil environment according to claim 1, wherein: the fixing clamp (16) is fixed on the organic columnar glass column (17) through a fixing clamp nut (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110248056.9A CN112858639B (en) | 2021-03-07 | 2021-03-07 | Device for simulating longitudinal migration of heavy metals in actual soil environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110248056.9A CN112858639B (en) | 2021-03-07 | 2021-03-07 | Device for simulating longitudinal migration of heavy metals in actual soil environment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112858639A CN112858639A (en) | 2021-05-28 |
| CN112858639B true CN112858639B (en) | 2024-03-01 |
Family
ID=75994209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110248056.9A Active CN112858639B (en) | 2021-03-07 | 2021-03-07 | Device for simulating longitudinal migration of heavy metals in actual soil environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112858639B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957301A (en) * | 2010-08-18 | 2011-01-26 | 上海化工研究院 | Dissolving-out analog device and method for measuring sustained-release fertilizer nutrients |
| CN103279158A (en) * | 2013-04-18 | 2013-09-04 | 中国地质大学（武汉） | Temperature control-pressure control underground water transfluent pollution simulation system |
| CN103543249A (en) * | 2013-10-16 | 2014-01-29 | 河海大学 | Experimental device and experimental method used for research of thin film water migration laws |
| CN105334309A (en) * | 2015-10-27 | 2016-02-17 | 中国科学院武汉岩土力学研究所 | Soil heavy metal migration and transformation simulating device |
| KR101650651B1 (en) * | 2015-02-17 | 2016-08-23 | 충북대학교 산학협력단 | Automated co_2 analysis system for real-time monitoring of degradation rates of soil-amended biodegradable materials and activities of associated micro organisms |
| CN206974870U (en) * | 2017-06-22 | 2018-02-06 | 长春黄金研究院 | A kind of slag leaching device of controllable temperature |
| CN108593889A (en) * | 2018-05-25 | 2018-09-28 | 宁夏大学 | Movable type pressure sand gravel leaching liquor migration of element collects monitoring device automatically |
| CN109799172A (en) * | 2019-01-28 | 2019-05-24 | 安徽科技学院 | The release and transport and imitative experimental appliance of antimony in a kind of heavy metal polluted soil in mine field |
| CN110108857A (en) * | 2019-05-20 | 2019-08-09 | 浙江省农业科学院 | Soil nutrient vertical migration microsimulation earth pillar device and method |
| AU2020103611A4 (en) * | 2020-11-23 | 2021-02-04 | Jilin University | Simulation Device and Experimental Method for Three-dimensional Solute Migration in Porous Medium |
| WO2021128858A1 (en) * | 2019-12-24 | 2021-07-01 | 中国环境科学研究院 | Leaching agent migration test system and leaching agent migration conversion test system |
| CN214334950U (en) * | 2021-03-07 | 2021-10-01 | 昆明理工大学 | Device for simulating longitudinal migration of heavy metal in actual soil environment |
-
2021
- 2021-03-07 CN CN202110248056.9A patent/CN112858639B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957301A (en) * | 2010-08-18 | 2011-01-26 | 上海化工研究院 | Dissolving-out analog device and method for measuring sustained-release fertilizer nutrients |
| CN103279158A (en) * | 2013-04-18 | 2013-09-04 | 中国地质大学（武汉） | Temperature control-pressure control underground water transfluent pollution simulation system |
| CN103543249A (en) * | 2013-10-16 | 2014-01-29 | 河海大学 | Experimental device and experimental method used for research of thin film water migration laws |
| KR101650651B1 (en) * | 2015-02-17 | 2016-08-23 | 충북대학교 산학협력단 | Automated co_2 analysis system for real-time monitoring of degradation rates of soil-amended biodegradable materials and activities of associated micro organisms |
| CN105334309A (en) * | 2015-10-27 | 2016-02-17 | 中国科学院武汉岩土力学研究所 | Soil heavy metal migration and transformation simulating device |
| CN206974870U (en) * | 2017-06-22 | 2018-02-06 | 长春黄金研究院 | A kind of slag leaching device of controllable temperature |
| CN108593889A (en) * | 2018-05-25 | 2018-09-28 | 宁夏大学 | Movable type pressure sand gravel leaching liquor migration of element collects monitoring device automatically |
| CN109799172A (en) * | 2019-01-28 | 2019-05-24 | 安徽科技学院 | The release and transport and imitative experimental appliance of antimony in a kind of heavy metal polluted soil in mine field |
| CN110108857A (en) * | 2019-05-20 | 2019-08-09 | 浙江省农业科学院 | Soil nutrient vertical migration microsimulation earth pillar device and method |
| WO2021128858A1 (en) * | 2019-12-24 | 2021-07-01 | 中国环境科学研究院 | Leaching agent migration test system and leaching agent migration conversion test system |
| AU2020103611A4 (en) * | 2020-11-23 | 2021-02-04 | Jilin University | Simulation Device and Experimental Method for Three-dimensional Solute Migration in Porous Medium |
| CN214334950U (en) * | 2021-03-07 | 2021-10-01 | 昆明理工大学 | Device for simulating longitudinal migration of heavy metal in actual soil environment |
Non-Patent Citations (2)
| Title |
|---|
| 眭素刚 等.某渣场污染物在非饱和岩土介质中的迁移模拟研究.中南大学学报(自然科学版).2013,第44卷(第05期),第2173-2180页. * |
| 马迎群 等.辽宁省红透山铜矿区土壤中重金属迁移特征研究.环境污染与防治.2013,第35卷(第09期),第1-8页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112858639A (en) | 2021-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205384202U (en) | Rainfall infiltration law test system based on aqueous vapor two -phase flow | |
| CN204116337U (en) | A kind of native fish device of contaminant transportation simulation | |
| CN106932556B (en) | Permafrost active layer water sport and ground ice frozen-thaw process tracer and method | |
| CN204228377U (en) | A kind of multifunction experiment apparatus of hydrogeological parameter synthesis measuring | |
| CN110681685A (en) | Polluted site soil-underground water integrated simulation restoration device and method | |
| CN108318386B (en) | Multifunctional simulation experiment device and method for migration and infiltration rules of river pollutants | |
| CN205898792U (en) | Many states undisturbed soil column rainfall infiltration modularization analogue means | |
| CN101556269A (en) | Trough for simulating groundwater pollution | |
| CN109490147A (en) | A kind of experimental rig for simulating multi-environment lower pollutant Transport And Transformation behavior in soil | |
| CN101441207A (en) | Integrated apparatus for researching sediment sampling and laminated gradient | |
| CN105929138A (en) | Coal gangue leachate melting and infiltration soil column simulation system and characteristic parameter determination method | |
| CN207215709U (en) | Device for rock cranny three-phase flow displacement disperse capture research | |
| CN102707035A (en) | Fully-automatic earth pillar leaching experiment device | |
| CN106093347A (en) | Multiple intensity gangue leachate simulating system and characteristic parameter assay method | |
| CN201352216Y (en) | Integrated system for sediment sampling and stratification gradient research | |
| CN101736716B (en) | Large-sized earth pillar series connection simulator for soil solute transport | |
| CN109374494A (en) | A kind of earth pillar permeability intensity system of changeable simulated rainfall form | |
| CN103865757B (en) | Drip emitter periphyton membrane simulation culture apparatus and application thereof | |
| CN106018747A (en) | Coal gangue leachate infiltration soil column simulation system and characteristic parameter determination method | |
| CN214334950U (en) | Device for simulating longitudinal migration of heavy metal in actual soil environment | |
| CN112858639B (en) | Device for simulating longitudinal migration of heavy metals in actual soil environment | |
| CN113884654A (en) | Simulation device and simulation method for spraying sand control slurry on sandy soil | |
| CN108593889A (en) | Movable type pressure sand gravel leaching liquor migration of element collects monitoring device automatically | |
| CN205898790U (en) | Multiple intensity gangue leachate of modularization infiltrates native column experiment device | |
| CN113029869A (en) | Three-dimensional visual simulation analysis device for pollutant leaching during backfilling of renewable solid material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |