CN108333073B - Detection apparatus for heavy metal zinc in agricultural soil - Google Patents
Detection apparatus for heavy metal zinc in agricultural soil Download PDFInfo
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- CN108333073B CN108333073B CN201810127574.3A CN201810127574A CN108333073B CN 108333073 B CN108333073 B CN 108333073B CN 201810127574 A CN201810127574 A CN 201810127574A CN 108333073 B CN108333073 B CN 108333073B
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- 239000002689 soil Substances 0.000 title claims abstract description 44
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 31
- 239000011701 zinc Substances 0.000 title claims abstract description 31
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 25
- 238000001514 detection method Methods 0.000 title claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 79
- 238000002474 experimental method Methods 0.000 claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 238000005303 weighing Methods 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 11
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims abstract description 9
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 19
- 230000000979 retarding effect Effects 0.000 claims description 12
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 229910052748 manganese Inorganic materials 0.000 claims description 7
- 239000011572 manganese Substances 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- 229910052742 iron Inorganic materials 0.000 description 9
- 239000011259 mixed solution Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 206010016952 Food poisoning Diseases 0.000 description 2
- 208000019331 Foodborne disease Diseases 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229940099596 manganese sulfate Drugs 0.000 description 1
- 235000007079 manganese sulphate Nutrition 0.000 description 1
- 239000011702 manganese sulphate Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021654 trace metal Inorganic materials 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
-
- 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
-
- 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
- G01N33/245—Earth materials for agricultural purposes
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The invention discloses a detection device for heavy metal zinc in agricultural soil, which comprises a test bench, wherein a chemical reaction mechanism is arranged on the test bench, the chemical reaction mechanism is provided with a holding platform, a circular groove, an electronic weighing device, a small display screen, a first reaction beaker, a material holding bottle, agricultural soil, a solution holding bottle, a ferric sulfate solution, a recording meter, an elastic line pen and an accelerated reaction mechanism, the accelerated reaction mechanism is provided with a reaction platform, a constant temperature heater, a support frame, a stirring mechanism, a timer and a loudspeaker, the test bench is provided with a filtering mechanism, the filtering mechanism is provided with support legs, a holding plate, through holes, a first filter screen and a flared bottle, the test bench is provided with a displacement reaction mechanism, the test bench is provided with a zinc-iron separation mechanism, the zinc-iron separation mechanism is provided with a solution collecting barrel, a second filter screen, a permanent magnet and a collecting box, and a controller is arranged on the experiment table. The invention has the advantages of simple structure and strong practicability.
Description
Technical Field
The invention relates to the field of agricultural soil heavy metal detection, in particular to a detection device for heavy metal zinc in agricultural soil.
Background
The soil heavy metal pollution means that the content of trace metal elements in soil exceeds a background value due to human activities, and the excessive deposition causes the growth of polluted crops with overhigh content in the soil with overhigh heavy metal content, the heavy metal content of the crops is also overhigh, once the crops are eaten by people, the phenomena of food poisoning and the like are caused, and the harm is caused to human bodies.
Disclosure of Invention
The invention aims to solve the problems and designs a detection device for heavy metal zinc in agricultural soil.
The technical scheme of the invention is that the device for detecting the heavy metal zinc in the agricultural soil comprises a laboratory table, wherein the laboratory table is placed on the ground in a laboratory, a chemical reaction mechanism is arranged on the laboratory table, and the chemical reaction mechanism comprises a holding table fixedly arranged on the upper surface of the laboratory table, a circular groove positioned on the upper surface of the holding table, an electronic weighing device arranged in the circular groove, a small display screen positioned on one side of the upper surface of the electronic weighing device, a reaction beaker I arranged on the upper surface of the electronic weighing device, a plurality of material holding bottles arranged on the upper surface of the laboratory table, the agricultural soil arranged in the material holding bottles, a solution holding bottle arranged on the upper surface of the laboratory table, ferric sulfate solution arranged in the solution holding bottle, a recording table arranged on the upper surface of the laboratory table, and an elastic line pen fixedly arranged on one side of the upper surface of the laboratory table, The reaction acceleration mechanism is fixedly arranged on the upper surface of the experiment table and positioned on one side of the containing table, the reaction acceleration mechanism consists of a reaction table fixedly arranged on the upper surface of the experiment table and positioned on one side of the containing table, a constant temperature heater fixedly arranged on the upper surface of the reaction table, a support frame fixedly arranged on the upper surface of the experiment table and positioned on two sides of the reaction table, an agitating mechanism fixedly arranged on the lower surface of the support frame, a timer fixedly arranged on one side of the upper surface of the reaction table, a signal transmitter positioned in the timer and a loudspeaker fixedly arranged on the other side of the upper surface of the reaction table, a filtering mechanism is arranged on the experiment table and consists of four supporting legs fixedly arranged on one side of the reaction table on the upper surface of the experiment table, a multilayer containing plate fixedly arranged between the supporting legs, a through hole respectively positioned at the central position of the containing plate, a filter screen fixedly arranged, Place the flaring bottle that is located filter screen one below at laboratory bench upper surface and constitute jointly, be equipped with replacement reaction mechanism on the laboratory bench, replacement reaction mechanism is by placing the reaction beaker two at laboratory bench upper surface, place the metal holding bottle at laboratory bench upper surface, place the massive metal manganese in the metal holding bottle, place the tweezers that constitute jointly at laboratory bench upper surface, be equipped with zinc-iron separating mechanism on the laboratory bench, zinc-iron separating mechanism is by placing the subaerial solution collecting vessel that lies in laboratory bench one side, place filter screen two at laboratory bench upper surface, place the permanent magnet at laboratory bench upper surface, place the collection box that constitutes jointly at laboratory bench upper surface, be equipped with the controller on the laboratory bench.
The electronic weighing device is a high-precision electronic weighing device, and a rechargeable battery is arranged in the electronic weighing device.
The agricultural soil is taken from the same region, and the agricultural soil in each material holding bottle is increased according to a fixed proportion.
The elastic line pen is composed of a base fixedly arranged on one side of the upper surface of the experiment table, a pen cap fixedly arranged on the base, a carbon pen inserted in the pen cap, and an elastic line, one end of the elastic line is fixedly connected with the base, the other end of the elastic line is fixedly connected with the upper end of the carbon pen.
The rabbling mechanism comprises the slow motor of fixed mounting at support frame lower surface center, the shaft coupling of fixed mounting at the rotatory end of slow motor, fixed mounting in the frame of support frame lower surface, fixed bearing that fixed mounting corresponds with the rotatory end of slow motor in the frame, the drive shaft of one end and shaft coupling fixed connection other end top cartridge in fixed bearing, the axis of rotation of one end fixed suit in fixed bearing, fixed mounting is in the rolling disc of axis of rotation lower surface, the stirring rod of fixed mounting in rolling disc lower surface both sides constitutes jointly.
The material containing bottle, the solution containing bottle and the metal containing bottle are all adhered with corresponding labels.
The upper surface of the experiment table is provided with an electric jack.
An electric plug, a capacitive display screen, a signal receiver and a PLC system are arranged in the controller.
The signal transmitter is connected with the signal receiver through a Bluetooth signal.
The controller is electrically connected with the constant temperature heater, the timer, the loudspeaker, the retarding motor and the like and is controlled by the PLC system.
According to the detection device for the heavy metal zinc in the agricultural soil, which is manufactured by the technical scheme of the invention, the zinc hidden in the soil is separated by chemical reaction according to the principle of element activity, the content of the zinc is calculated, and the result is more accurate through multiple experiments. .
Drawings
FIG. 1 is a schematic structural diagram of a detection device for heavy metal zinc in agricultural soil according to the invention;
FIG. 2 is a partial schematic view of a chemical reaction mechanism according to the present invention;
FIG. 3 is a partial schematic view of an elastic thread pen according to the present invention;
FIG. 4 is a partial schematic view of the agitation mechanism of the present invention;
FIG. 5 is a partial schematic view of the controller of the present invention;
in the figure, 1, a laboratory bench; 2. a containing table; 3. a circular groove; 4. an electronic weighing machine; 5. a small display screen; 6. a first reaction beaker; 7. a first reaction beaker; 8. agricultural soil; 9. a solution holding bottle; 10. a ferric sulfate solution; 11. recording a table; 12. an elastic thread pen; 13. a reaction platform; 14. a constant temperature heater; 15. a support frame; 16. a timer; 17. a signal transmitter; 18. a speaker; 19. supporting legs; 20. a holding plate; 21. a through hole; 22. a first filter screen; 23. flaring a bottle; 24. a second reaction beaker; 25. a metal holding bottle; 26. bulk manganese metal; 27. tweezers; 28. a solution collection barrel; 29. a second filter screen; 30. a permanent magnet; 31. a collection box; 32. a controller; 33. a rechargeable battery; 34. a base; 35. a pen cap; 36. a carbon pen; 37. an elastic thread; 38. a retarding motor; 39. a coupling; 40. a frame; 41. fixing the bearing; 42. a drive shaft; 43. a rotating shaft; 44. rotating the disc; 45. rotating the disc; 46. a label; 47. an electricity utilization jack; 48. a power utilization plug; 49. a capacitive display screen; 50. a signal receiver; 51. a PLC system.
Detailed Description
The invention is described in detail with reference to the accompanying drawings, and as shown in fig. 1-5, the device for detecting heavy metal zinc in agricultural soil comprises a laboratory table 1, the laboratory table 1 is placed on the ground in a laboratory, a chemical reaction mechanism is arranged on the laboratory table 1, and the chemical reaction mechanism comprises a holding table 2 fixedly arranged on the upper surface of the laboratory table 1, a circular groove 3 positioned on the upper surface of the holding table 2, an electronic weighing device 4 positioned in the circular groove 3, a small display screen 5 positioned on one side of the upper surface of the electronic weighing device 4, a reaction beaker 6 positioned on the upper surface of the electronic weighing device 4, a plurality of material holding bottles 7 positioned on the upper surface of the laboratory table 1, agricultural soil 8 positioned in the material holding bottles 7, a solution holding bottle 9 positioned on the upper surface of the laboratory table 1, and ferric sulfate solution 10 positioned in the solution holding bottle 9, The device comprises a recording meter 11 placed on the upper surface of an experiment table 1, an elastic line pen 12 fixedly installed on one side of the upper surface of the experiment table 1, an accelerated reaction mechanism fixedly installed on the upper surface of the experiment table 1 and positioned on one side of a containing table 2, a constant temperature heater 14 fixedly installed on the upper surface of the reaction table 13, support frames 15 fixedly installed on the upper surface of the experiment table 1 and positioned on two sides of the reaction table 13, a stirring mechanism fixedly installed on the lower surface of the support frames 15, a timer 16 fixedly installed on one side of the upper surface of the reaction table 13, a signal emitter 17 positioned in the timer 16, and a loudspeaker 18 fixedly installed on the other side of the upper surface of the reaction table 13, wherein the experiment table 1 is provided with a filtering mechanism which is composed of four 19 supporting legs fixedly installed on the upper surface of the experiment table 1 and positioned on one side of the reaction table 13, The multi-layer containing plate 20 fixedly arranged between the supporting legs 19, the through hole 21 respectively positioned at the central position of the containing plate 20, the filter screen 22 fixedly arranged on the containing plate 20 and covering the through hole 21, the flared bottle 23 placed on the upper surface of the experiment table 1 and positioned below the filter screen 22 jointly form a displacement reaction mechanism on the experiment table 1, the displacement reaction mechanism comprises a reaction beaker II 24 placed on the upper surface of the experiment table 1, a metal containing bottle 25 placed on the upper surface of the experiment table 1, massive manganese metal 26 placed in the metal containing bottle 25 and tweezers 27 placed on the upper surface of the experiment table 1 jointly, the experiment table 1 is provided with a zinc-iron separation mechanism, and the zinc-iron separation mechanism comprises a solution collecting barrel 28 placed on one side of the experiment table 1 on the ground, a filter screen II 29 placed on the upper surface of the experiment table 1, a permanent magnet 30 placed on the upper surface of the experiment table 1, The collecting box 31 arranged on the upper surface of the experiment table 1 is formed together, and a controller 32 is arranged on the experiment table 1; the electronic weighing device 4 is a high-precision electronic weighing device 4, and a rechargeable battery 33 is arranged in the electronic weighing device 4; the agricultural soil 8 is taken from the same region, and the agricultural soil 8 in each material holding bottle 7 is increased according to a fixed proportion; the elastic line pen 12 is composed of a base 34 fixedly arranged on one side of the upper surface of the experiment table 1, a pen cap 35 fixedly arranged on the base 34, a carbon pen 36 inserted in the pen cap 35, and an elastic line 37, one end of which is fixedly connected with the base 34, and the other end of which is fixedly connected with the upper end of the carbon pen 36; the stirring mechanism is composed of a retarding motor 38 fixedly arranged at the center of the lower surface of the support frame 15, a coupler 39 fixedly arranged at the rotating end of the retarding motor 38, a frame 40 fixedly arranged at the lower surface of the support frame 15, a fixed bearing 41 fixedly arranged in the frame 40 and corresponding to the rotating end of the retarding motor 38, a driving shaft 42 with one end fixedly connected with the coupler 39 and the other end inserted in the fixed bearing 41 from the upper part, a rotating shaft 43 with one end fixedly sleeved in the fixed bearing 42, a rotating disc 44 fixedly arranged at the lower surface of the rotating shaft 43 and stirring rods 45 fixedly arranged at two sides of the lower surface of the rotating disc 44; the material containing bottle 7, the solution containing bottle 9 and the metal containing bottle 25 are all stuck with corresponding labels 46; the upper surface of the experiment table 1 is provided with an electricity utilization jack 47; the controller 32 is internally provided with an electric plug 48, a capacitance display screen 49, a signal receiver 50 and a PLC system 51; the signal transmitter 17 is connected with the signal receiver 50 through a Bluetooth signal; the controller 32 is electrically connected to the thermostatic heater 14, the timer 16, the speaker 18, the retarder motor 38, and the like, and is controlled by a PLC system 51.
The embodiment is characterized in that the experiment table is placed on the ground in the experiment room, a chemical reaction mechanism is arranged on the experiment table and consists of a holding table fixedly arranged on the upper surface of the experiment table, a circular groove positioned on the upper surface of the holding table, an electronic weighing device arranged in the circular groove, a small display screen positioned on one side of the upper surface of the electronic weighing device, a first reaction beaker arranged on the upper surface of the electronic weighing device, a plurality of material holding bottles arranged on the upper surface of the experiment table, agricultural soil arranged in the material holding bottles, a solution holding bottle arranged on the upper surface of the experiment table, ferric sulfate solution arranged in the solution holding bottle, a recording table arranged on the upper surface of the experiment table, an elastic line pen fixedly arranged on one side of the upper surface of the experiment table, and an accelerated reaction mechanism fixedly arranged on one side of the holding table on the upper surface of the experiment table, wherein the accelerated reaction mechanism consists of a reaction table fixedly arranged on one side of the holding table, The constant temperature heater is fixedly arranged on the upper surface of the reaction table, the support frame is fixedly arranged on the upper surface of the experiment table and positioned on two sides of the reaction table, the stirring mechanism is fixedly arranged on the lower surface of the support frame, the timer is fixedly arranged on one side of the upper surface of the reaction table, the signal transmitter is positioned in the timer, the loudspeaker is fixedly arranged on the other side of the upper surface of the reaction table and jointly formed, the experiment table is provided with a filtering mechanism, the filtering mechanism is formed by four supporting legs fixedly arranged on one side of the reaction table on the upper surface of the experiment table, a plurality of layers of containing plates are fixedly arranged between the supporting legs, through holes respectively positioned at the central positions of the containing plates, a first filter screen fixedly arranged on the containing plates and covering the through holes, and a flared bottle arranged below the first filter screen on the upper surface of the experiment table, the experiment table is provided with a displacement reaction mechanism, The metal containing bottle is placed on the upper surface of the experiment table, the blocky metal manganese is placed in the metal containing bottle, tweezers placed on the upper surface of the experiment table jointly form the metal containing bottle, a zinc-iron separating mechanism is arranged on the experiment table, the zinc-iron separating mechanism is composed of a solution collecting barrel placed on one side of the experiment table on the ground, a second filter screen placed on the upper surface of the experiment table, a permanent magnet placed on the upper surface of the experiment table, a collecting box placed on the upper surface of the experiment table jointly form the metal containing bottle, a controller is arranged on the experiment table, a device for using chemical reaction, extracting and separating zinc in soil and detecting heavy metal zinc in agricultural soil recorded by experimental data is used, the method is convenient, fast and pollution-free, whether the content of zinc in soil exceeds the standard or not is effectively detected, the food safety of crops is guaranteed, food poisoning is reduced, and human health is protected.
In the embodiment, a material holding bottle is taken out, agricultural soil in the material holding bottle is poured into a first reaction beaker, the weight of the agricultural soil is displayed on an electronic weighing device, an elastic line pen is used for recording on a recording meter, a solution holding bottle is taken out, excessive ferric sulfate is added into the first reaction beaker, the first reaction beaker is placed on a constant temperature heater, the constant temperature heater is started, a retarding motor is started, a stirring rod is driven by the retarding motor to stir in the first reaction beaker to enable the first reaction beaker to react fully, the activity of zinc is higher than that of iron, a replacement reaction can occur, the new iron mixed in the soil is replaced to generate zinc sulfate, ferric sulfate and other mixed solutions and simple substances of iron, the time is set on a timer, a signal is sent to a controller after the countdown is finished, the constant temperature heater and the retarding motor are controlled by the controller to be closed, and a loudspeaker sounds, reminding the reaction to be finished, taking up the first reaction beaker, pouring the mixed solution in the first reaction beaker on a containing plate, enabling the mixed solution to fall into a flared bottle, intercepting impurities by a first filter screen, pouring the mixed solution in the flared bottle into a second reaction beaker, weighing the second reaction beaker on an electronic weighing device, recording data, adding excessive massive metal manganese into the second reaction beaker by using tweezers, weighing, recording data, placing the second reaction beaker on a constant-temperature heater for accelerating reaction, performing sufficient replacement reaction on the manganese and the mixed solution to generate elementary substances of iron and zinc, manganese sulfate and other mixed solution, placing the second filter screen on a solution collecting barrel, pouring the solution in the second reaction beaker into the solution collecting barrel, intercepting the second filter screen on a permanent magnet, attracting the iron, pouring the zinc into a collecting box, weighing and recording data, then, putting more agricultural soil, carrying out a plurality of experiments, comparing the experimental records, obtaining accurate data, and completing the whole working process, wherein the chemical reaction in the process is based on the activity of elements, manganese is one level higher than zinc, zinc is one level higher than iron, after adding ferric sulfate solution, the displacement reaction in the soil is only heavy metal more active than iron, and generating corresponding solution, after adding manganese, only metal inactive than manganese is subjected to displacement reaction to generate iron and zinc, and then attracting iron through a permanent magnet to obtain zinc, thereby completing the whole chemical reaction.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a detection apparatus for heavy metal zinc among agricultural soil, includes laboratory bench (1), its characterized in that, laboratory bench (1) is placed subaerial in the laboratory, be equipped with chemical reaction mechanism on laboratory bench (1), chemical reaction mechanism is by fixed mounting hold platform (2) of laboratory bench (1) upper surface, be located circular recess (3) that hold platform (2) upper surface, place electronic weighing machine (4) in circular recess (3), be located small-size display screen (5) of electronic weighing machine (4) upper surface one side, place reaction beaker (6) at electronic weighing machine (4) upper surface, place a plurality of materials of laboratory bench (1) upper surface and hold bottle (7), place agricultural soil (8) in material holds bottle (7), place solution at laboratory bench (1) upper surface and hold bottle (9), The device comprises a ferric sulfate solution (10) placed in a solution containing bottle (9), a recording meter (11) placed on the upper surface of an experiment table (1), an elastic line pen (12) fixedly installed on one side of the upper surface of the experiment table (1), and an accelerated reaction mechanism fixedly installed on the upper surface of the experiment table (1) and located on one side of a containing table (2), wherein the accelerated reaction mechanism is composed of a reaction table (13) fixedly installed on the upper surface of the experiment table (1) and located on one side of the containing table (2), a constant temperature heater (14) fixedly installed on the upper surface of the reaction table (13), a support frame (15) fixedly installed on the upper surface of the experiment table (1) and located on two sides of the reaction table (13), a stirring mechanism fixedly installed on the lower surface of the support frame (15), a timer (16) fixedly installed on one side of the upper surface of the reaction table (13), and a signal emitter (17) located in the timer (, Fixed mounting is at speaker (18) of reaction platform (13) upper surface opposite side constitute jointly, be equipped with filtering mechanism on laboratory bench (1), filtering mechanism is by four supporting legs (19) that fixed mounting is located reaction platform (13) one side on laboratory bench (1) upper surface, multilayer between supporting leg (19) hold board (20), be located respectively that hold through-hole (21) that board (20) central point put, fixed mounting on holding board (20) cover through-hole (21) filter screen (22), place and hold flaring bottle (23) that are located filter screen (22) below at laboratory bench (1) upper surface jointly and constitute, be equipped with replacement reaction mechanism on laboratory bench (1), replacement reaction mechanism is by placing reaction beaker two (24) at laboratory bench (1) upper surface, place metal holding bottle (25) at laboratory bench (1) upper surface, Place blocky metal manganese (26) in metal holding bottle (25), place tweezers (27) of laboratory bench (1) upper surface and constitute jointly, be equipped with zinc-iron separating mechanism on laboratory bench (1), zinc-iron separating mechanism comprises solution collecting vessel (28), the filter screen two (29) of placing at laboratory bench (1) upper surface, place permanent magnet (30) at laboratory bench (1) upper surface, the collection box (31) of placing at laboratory bench (1) upper surface jointly by placing subaerial lieing in laboratory bench (1) one side, be equipped with controller (32) on laboratory bench (1).
2. The device for detecting the heavy metal zinc in the agricultural soil according to claim 1, wherein the electronic weighing machine (4) is a high-precision electronic weighing machine (4), and a rechargeable battery (33) is arranged inside the electronic weighing machine.
3. The device for detecting the heavy metal zinc in agricultural soil according to claim 1, characterized in that the agricultural soil (8) is taken from the same territory, and the agricultural soil (8) in each material holding bottle (7) is increased according to a fixed proportion.
4. The device for detecting the heavy metal zinc in the agricultural soil according to claim 1, wherein the elastic wire pen (12) is composed of a base (34) fixedly installed on one side of the upper surface of the experiment table (1), a pen cap (35) fixedly installed on the base (34), a carbon pen (36) inserted in the pen cap (35), and an elastic wire (37) with one end fixedly connected with the base (34) and the other end fixedly connected with the upper end of the carbon pen (36).
5. The device for detecting the heavy metal zinc in the agricultural soil according to claim 1, the stirring mechanism is composed of a retarding motor (38) fixedly installed at the center of the lower surface of a support frame (15), a coupler (39) fixedly installed at the rotating end of the retarding motor (38), a rack (40) fixedly installed at the lower surface of the support frame (15), a fixed bearing (41) fixedly installed in the rack (40) and corresponding to the rotating end of the retarding motor (38), a driving shaft (42) with one end fixedly connected with the coupler (39) and the other end inserted in the fixed bearing (41) from the upper part, a rotating shaft (43) with one end fixedly installed in the fixed bearing (42), a rotating disc (44) fixedly installed at the lower surface of the rotating shaft (43), and stirring rods (45) fixedly installed at two sides of the lower surface of the rotating disc (44) jointly.
6. The device for detecting the heavy metal zinc in the agricultural soil according to claim 1, wherein corresponding labels (46) are attached to the material containing bottle (7), the solution containing bottle (9) and the metal containing bottle (25).
7. The device for detecting the heavy metal zinc in the agricultural soil according to claim 1, wherein a useful electric jack (47) is arranged on the upper surface of the experiment table (1).
8. The device for detecting the heavy metal zinc in the agricultural soil according to claim 1, wherein an electric plug (48), a capacitance display screen (49), a signal receiver (50) and a PLC system (51) are arranged in the controller (32).
9. The device for detecting the heavy metal zinc in the agricultural soil according to claim 1, wherein the signal transmitter (17) is connected with the signal receiver (50) through a Bluetooth signal.
10. The device for detecting the heavy metal zinc in the agricultural soil according to claim 1, wherein the controller (32) is electrically connected with the constant temperature heater (14), the timer (16), the loudspeaker (18) and the retarding motor (38) and is controlled by a PLC system (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810127574.3A CN108333073B (en) | 2018-02-08 | 2018-02-08 | Detection apparatus for heavy metal zinc in agricultural soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810127574.3A CN108333073B (en) | 2018-02-08 | 2018-02-08 | Detection apparatus for heavy metal zinc in agricultural soil |
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| Publication Number | Publication Date |
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| UA87343U (en) * | 2013-05-27 | 2014-02-10 | Державна Установа Інститут Сільського Господарства Степової Зони Національної Академії Аграрних Наук України | Method for diagnostics of content of movable compounds of manganese, zinc, iron microelements in black earths |
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