CN108680603A - A kind of heavy metal-polluted soil detection device and method - Google Patents
A kind of heavy metal-polluted soil detection device and method Download PDFInfo
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- CN108680603A CN108680603A CN201811006449.3A CN201811006449A CN108680603A CN 108680603 A CN108680603 A CN 108680603A CN 201811006449 A CN201811006449 A CN 201811006449A CN 108680603 A CN108680603 A CN 108680603A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/18—Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/72—Investigating presence of flaws
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Abstract
Include infrared temperature detection sensor, head cover, thermocouple, barrel, V-block clamping plate, threaded mandrel, spring, slideway end cap, pedestal, heating chassis, sleeve, control system the invention discloses a kind of heavy metal-polluted soil detection device.Heat-conducting silicone grease and pedotheque are transferred heat to using heating chassis.Since the heat diffusion capabilities of heavy metal element are much larger than common heavy metal free contaminated soil, can by testing soil along the thermal diffusion coefficient of barrel axis direction come judge sample whether heavy metals exceeding standard, thus have many advantages, such as using the device and method of the heavy metal pollution degree of soil thermal diffusion coefficient indirectly testing soil easy to operate, of low cost, anti-interference strong, efficient, rapidly pedotheque can be qualitatively judged, greatly improve soil environment and investigate efficiency.
Description
Technical field
The present invention relates to environmental protection technical fields, more particularly, to a kind of heavy metal-polluted soil detection device.
Background technology
Soil is one of important natural resources for the survival of mankind, directly influences the safety of grain.With the modern times
Industrial-scale develops, and soil is increasingly severe by the pollution of heavy metal, and heavy metal refers to the gold that proportion is equal to or more than 5.0
Belong to, such as Fe, Mn, Zn, Cd, Hg, Ni, Co, As, heavy metal is accumulated in human body to be reached a certain level, it will cause it is chronic in
Poison.It is exceeded that relevant report shows that the rice that the multiple areas in China produce is found cadmium, and soil pollution has seriously endangered food security.
However, contaminated by heavy metals soil most of at present is not repaired effectively, especially heavy industry gathering area
Has there is the case where severe overweight in content of beary metal, cause the agricultural arable land in periphery can not output quality inspection qualification grain, cause big
The idle waste in area soil.The composition complex of soil, include not only minerals, organic matter also include living organism,
Moisture and air increase the difficulty and cost of determining heavy metals and extractive technique, hinder the scale of soil remediation.Therefore
How to improve the detection technique of heavy metal pollution and soil remediation method is that current grain and field of environment protection are urgently to be resolved hurrily
Important topic.Heavy metal analysis technology includes mainly heavy metal solution separation detection method at present(CN2017114049784、
CN2018101275743、CN201721163675、CN2017114173654), spectroscopic analysis methods(CN2018102537495、
CN2017113339597、CN2017219010470、CN2017217379175、2017215811747), electromagnetic detection method
(CN2017113243128、), electrochemical assay(CN2017111058071、CN201620128424.0)Deng above method
With higher detection sensitivity and accuracy, while there is pre-treatment requirement complicated, bulky, to pedotheque
Drawback higher, testing cost is expensive, analysis time is longer, flow is more complex.Especially for the initial stage of soil pollution exploration
Stage needs the fast qualitative detection for carrying out heavy metal pollution to soil in a short time.If being sent to after soil is sampled
Specialized laboratory, which measures, will extend detection cycle, increase testing cost.The present invention is to overcome the shortcomings of above-mentioned technology, develops one
Kind analysis is quickly, testing cost is low, easy to carry, flow is simple, a kind of easy-operating heavy metal-polluted soil detection device, can be right
Whether a large amount of pedotheques carry out rapid screening and judge it by heavy metal pollution.
Description
In view of the above problems, the present invention has developed a kind of heavy metal-polluted soil detection device, according to soil thermal diffusion coefficient and a huge sum of money
Belong to the positively related characteristic of content, quickly measure soil sample thermal diffusion coefficient, by being compared with the normal data of pollution-free soil
Realize that quickly whether judgement soil is by heavy metal pollution and pollution intensity.
A kind of heavy metal-polluted soil detection device include infrared temperature detection sensor, head cover, thermocouple,
Barrel, V-block clamping plate, threaded mandrel, spring, slideway end cap, pedestal, heating chassis, sleeve, control system, heat bottom
For disk by being threaded into pedestal, base upper surface is welded with rectangle slideway, and slideway end cap is connected by screw and slideway, V-type
Block clamping plate is inserted into the rectangular channel in slideway, and V-block clamping plate, spring one end and V-type can be inwardly held out against by rotating threaded mandrel
Block clamping plate welds, and the other end is contacted with slideway end cap, and barrel is placed on the upper surface of pedestal, is clamped by V-block clamping plate, makes barrel
It is coaxial with the central through hole of pedestal, it heats and fills heat-conducting silicone grease in the circular groove on chassis, pedotheque, which is packed into barrel, passes through heat conduction
Silicone grease is connected through a screw thread with the heat transfer of heating chassis, barrel with pedestal, and head cover is connected through a screw thread with barrel, infrared temperature detection
Sensor is fixed by screws in by acquiring the infrared temperature signal of pedotheque upper surface on head cover, and thermocouple passes through head cover
It is inserted into barrel.Soil is cylindrical sample through cold-press moulding by being inserted in barrel after drying, and heating chassis passes through thermal conductive silicon
Fat transfers heat to pedotheque, and heat is spread inside pedotheque, and upper surface is transferred to along the axis of cylindrical sample, red
Outer temperature detection sensor detects the temperature conditions of pedotheque upper surface, and rule of thumb formula calculates thermal diffusion coefficient, will
Result of calculation judges the pollution level of pedotheque with normal data comparison.Control system includes power module, infrared temperature inspection
Survey module, jacket temperature acquisition module, Keysheet module, STM32 microcontrollers, display module, heater control module, alarm mould
The mode of block, power module power supply is that USB power supplies are adopted, between MAX232 electrical level transferring chips completion RS232 and UART
Interface communication, display module show that heater control module is logical using the UART serial port liquid crystal screens of 2.4 cun of 240*320 resolution ratio
Cross 8050NPN types triode and STM32 microcontrollers, when I/O mouthfuls of output high level, transistor collector is connected with emitter, makes
Relay both ends obtain 5V direct currents and complete to be attracted, and realize that the control of electric heating tube, alarm module are expanded stream using triode, passed through
The height of I/O mouthfuls of current potentials come adjust triode conducting with cut-off to control the normal work of buzzer, to prevent heating bottom
Disk overheats, and Keysheet module constantly detects each button closed state with the frequency of 10 times of machine clocks by microcontroller, executes corresponding
The subprogram of button, infrared temperature detection module are mounted in infrared temperature detection sensor using SMTIR9901 chips and are used for
Pedotheque upper surface temperature change is detected, jacket temperature acquisition module, will using temperature in sonde-type thermocouple detection sleeve
Voltage signal is passed to STM32 microcontrollers.
Further, infrared temperature detection sensor of the present invention uses high-precision SMTIR9901 modules, temperature to miss
Difference is less than 0.05 DEG C, sampling time interval 2ms-5ms.
Further, as a specific structural form, sleeve of the present invention uses heat-resisting and coefficient of thermal expansion
Smaller polytetrafluoroethylene material, sleeve top and bottom are machined with internal thread, are connect respectively with head cover and pedestal, the bottom of close to
Symmetrical machining is used to support threaded mandrel there are two internal thread hole on the cylindrical surface of seat.
Further, as a specific structural form, tube chamber welds with base of the present invention has a rectangle slideway, in pedestal
The heart is machined with through-hole, and the upper surface of pedotheque pedestal for placed is clamped by V-block clamping plate, makes the centre bore of barrel and pedestal
Coaxially.
Further, as a specific structural form, head cover profit of the present invention is screwed infrared temperature
Detection sensor, infrared temperature detection sensor are believed by the temperature of the through-hole acquisition cylindrical soil upper surface of top cap central
Number, thermocouple is inserted through in head cover insertion sleeve to detect the temperature of sleeve inner, be machined on head cover a diameter of 0.5mm ~
1.5 exhaust hole.
Further, as a specific structural form, in V-block clamping plate inserted base slideway of the present invention
In rectangular channel, V-block clamping plate can be inwardly held out against by rotating threaded mandrel, spring one end is welded with V-block clamping plate, the other end with
Slideway end cap contacts.
Further, as a specific structural form, heating chassis of the present invention uses Resistant heating, adds
Hot chassis and the upper surface of base contacts are machined with circular groove, and heat-conducting silicone grease is filled in groove, make pedotheque and heating bottom
Disk can completely attach to, can be to avoid the generation in gap.
Further, as a specific structural form, barrel of the present invention uses Al2O3Thermally insulative ceramic material
By casting forming, there is higher heat resistance and crushing resistance.
Further, control system of the present invention is adopted comprising power module, infrared temperature detection module, jacket temperature
Collect module, Keysheet module, STM32 microcontrollers, display module, heater control module, alarm module.
Description of the drawings
Below with attached drawing, the present invention is further illustrated, but the embodiment in attached drawing is not constituted to the present invention
Any restrictions.
Fig. 1 is a kind of explosive view of the assembly of heavy metal-polluted soil detection device of the present invention;
Fig. 2 is a kind of front view of the assembly of heavy metal-polluted soil detection device of the present invention;
Fig. 3 is a kind of left view of the assembly of heavy metal-polluted soil detection device of the present invention;
Fig. 4 is a kind of vertical view of the assembly of heavy metal-polluted soil detection device of the present invention;
Fig. 5 is a kind of front view of the pedestal of heavy metal-polluted soil detection device of the present invention;
Fig. 6 is a kind of left view of the pedestal of heavy metal-polluted soil detection device of the present invention;
Fig. 7 is a kind of vertical view of the pedestal of heavy metal-polluted soil detection device of the present invention;
Fig. 8 is a kind of front view of the slideway end cap of heavy metal-polluted soil detection device of the present invention;
Fig. 9 is a kind of left view of the slideway end cap of heavy metal-polluted soil detection device of the present invention;
Figure 10 is a kind of vertical view of the slideway end cap of heavy metal-polluted soil detection device of the present invention;
Figure 11 is a kind of front view of the head cover of heavy metal-polluted soil detection device of the present invention;
Figure 12 is a kind of left view of the head cover of heavy metal-polluted soil detection device of the present invention;
Figure 13 is a kind of vertical view of the head cover of heavy metal-polluted soil detection device of the present invention;
Figure 14 is a kind of front view of the sleeve of heavy metal-polluted soil detection device of the present invention;
Figure 15 is a kind of left view of the sleeve of heavy metal-polluted soil detection device of the present invention;
Figure 16 is a kind of front view of the V-block clamping plate of heavy metal-polluted soil detection device of the present invention;
Figure 17 is a kind of left view of the V-block clamping plate of heavy metal-polluted soil detection device of the present invention;
Figure 18 is a kind of vertical view of the V-block clamping plate of heavy metal-polluted soil detection device of the present invention;
Figure 19 is a kind of principle schematic of the control system of heavy metal-polluted soil detection device of the present invention;
Figure 20 is a kind of circuit structure of the heater control module of the control system of heavy metal-polluted soil detection device of the present invention
Figure;
Figure 21 is a kind of circuit knot of the infrared temperature detection module of the control system of heavy metal-polluted soil detection device of the present invention
Composition.
Specific implementation mode
As shown in Fig. 1 to Figure 21, a kind of heavy metal-polluted soil detection device includes infrared temperature detection sensor(1)、
Head cover(2), thermocouple(3), barrel(4), V-block clamping plate(5), threaded mandrel(6), spring(7), slideway end cap(8), pedestal
(9), heating chassis(10), sleeve(11), control system(12), heat chassis(10)By being threaded into pedestal(9)It is interior, pedestal
(9)Upper surface is welded with rectangle slideway, slideway end cap(8)It is connected by screw and slideway, V-block clamping plate(5)It is inserted into slideway
Rectangular channel in, pass through rotate threaded mandrel(6)V-block clamping plate can inwardly be held out against(5), spring(7)One end and V-block clamping plate
(5)Welding, the other end and slideway end cap(8)Contact, barrel(4)It is placed on pedestal(9)Upper surface, pass through V-block clamping plate(5)Folder
Tightly, make barrel(4)With pedestal(9)Central through hole it is coaxial, heat chassis(10)Circular groove in fill heat-conducting silicone grease, pedotheque
It is packed into barrel(4)It is interior to pass through heat-conducting silicone grease and heating chassis(10)Heat transfer, barrel(4)With pedestal(9)It is connected through a screw thread, head cover
(2)With barrel(4)It is connected through a screw thread, infrared temperature detection sensor(1)It is fixed by screws in head cover(2)On pass through acquisition
The infrared temperature signal of pedotheque upper surface, thermocouple(3)Pass through head cover(2)It is inserted into barrel(4)It is interior.After soil is by drying
Insert barrel(4)It is interior, it is cylindrical sample through cold-press moulding, heats chassis(10)Soil is transferred heat to by heat-conducting silicone grease
Sample, heat are spread inside pedotheque, and upper surface, infrared temperature detection sensor are transferred to along the axis of cylindrical sample
(1)The temperature conditions of pedotheque upper surface is detected, rule of thumb formula calculates thermal diffusion coefficient, by result of calculation and standard
Data comparison judges the pollution level of pedotheque.Control system(12)Including power module(1201), infrared temperature detect mould
Block(1202), jacket temperature acquisition module(1203), Keysheet module(1204), STM32 microcontrollers(1205), display module
(1206), heater control module(1207), alarm module(1208), power module(1201)The mode of power supply is powered for USB
It adopts, the interface communication between RS232 and UART, display module is completed with MAX232 electrical level transferring chips(1206)Using 2.4
The UART serial port liquid crystal screens of very little 240*320 resolution ratio show, heater control module(1207)By 8050NPN types triode with
STM32 microcontrollers(1205), I/O mouthfuls output high level when, transistor collector is connected with emitter, make relay both ends acquisition
5V direct currents are completed to be attracted, and realize the control of electric heating tube, alarm module(1208)Expanded using triode and flowed, passes through I/O mouthfuls of electricity
Position height come adjust triode conducting with cut-off to control the normal work of buzzer, to prevent heating chassis(10)It crosses
Heat, Keysheet module(1204)Each button closed state is constantly detected by microcontroller with the frequency of 10 times of machine clocks, executes phase
The subprogram of button, infrared temperature detection module is answered to be mounted on infrared temperature detection sensor using SMTIR9901 chips(1)It is interior
For detecting pedotheque upper surface temperature change, jacket temperature acquisition module utilizes temperature in sonde-type thermocouple detection sleeve
Degree, STM32 microcontrollers are passed to by voltage signal(1205).
Embodiment
Pedotheque is put into 105 DEG C of heating furnace first and is dried to moisture content less than 2%, then pedotheque is inserted
Barrel(4)Interior, through cold press punching press, pressure is set as 40 ~ 50MPa, the cylindrical pedotheque block of acquisition, by barrel(4)
And sample passes through V-block clamping plate(5)Clamping is positioned over pedestal(9)Upper surface, make barrel(4)With pedestal(9)Central through hole
Coaxially.Heat chassis(10)Circular groove in fill heat-conducting silicone grease, can to avoid filling soil sample with heating chassis(10)Between
Gap.When test, heating chassis is utilized(10)Transfer heat to heat-conducting silicone grease and pedotheque.Due to containing heavy metal element
The heat diffusion capabilities of soil are much larger than common heavy metal free contaminated soil, can be by testing soil along barrel(4)Axis side
To thermal diffusion coefficient determine whether heavy metals exceeding standard, be set to head cover(2)On infrared temperature detection sensor(1)It can be with
It is quickly obtained the temperature change on pedotheque surface, the sampling period is 10 times of Singlechip clocks, further according to empirical equationa=
0.1188×h×h/t, whereinaIndicate thermal diffusion coefficient,hIndicate height of specimen,tIndicate that sample surface temperature is increased to maximum
It is worth required time when half, can be determined that tested soil whether by heavy metal test result and normal data comparison
Pollution and the degree for qualitatively judging pollution.The present invention utilizes the heavy metal pollution journey of soil thermal diffusion coefficient indirectly testing soil
The device and method of degree have many advantages, such as it is easy to operate, of low cost, anti-interference strong, efficient, can be rapidly to soil-like
Product are qualitatively judged, and soil environment remediation efficiency is greatly improved.
The above, only present pre-ferred embodiments, therefore cannot limit the scope of implementation of the present invention successively, i.e., according to
The equivalent changes and modifications that the scope of the claims of the present invention and description are done all should still belong in the range of the present invention covers.
Claims (9)
1. a kind of heavy metal-polluted soil detection device includes infrared temperature detection sensor(1), head cover(2), thermocouple(3)、
Barrel(4), V-block clamping plate(5), threaded mandrel(6), spring(7), slideway end cap(8), pedestal(9), heating chassis
(10), sleeve(11), control system(12), heat chassis(10)By being threaded into pedestal(9)It is interior, pedestal(9)It welds upper surface
It is connected to rectangle slideway, slideway end cap(8)It is connected by screw and slideway, V-block clamping plate(5)It is inserted into the rectangular channel in slideway,
By rotating threaded mandrel(6)V-block clamping plate can inwardly be held out against(5), spring(7)One end and V-block clamping plate(5)Welding, it is another
End and slideway end cap(8)Contact, barrel(4)It is placed on pedestal(9)Upper surface, pass through V-block clamping plate(5)It clamps, makes barrel(4)
With pedestal(9)Central through hole it is coaxial, heat chassis(10)Circular groove in fill heat-conducting silicone grease, pedotheque be packed into barrel(4)
It is interior to pass through heat-conducting silicone grease and heating chassis(10)Heat transfer, barrel(4)With pedestal(9)It is connected through a screw thread, head cover(2)With barrel
(4)It is connected through a screw thread, infrared temperature detection sensor(1)It is fixed by screws in head cover(2)It is upper to pass through acquisition pedotheque
The infrared temperature signal of upper surface, thermocouple(3)Pass through head cover(2)It is inserted into barrel(4)Interior, soil after drying by inserting barrel
(4)It is interior, it is cylindrical sample through cold-press moulding, heats chassis(10)Pedotheque is transferred heat to by heat-conducting silicone grease, heat
Amount is spread inside pedotheque, and upper surface, infrared temperature detection sensor are transferred to along the axis of cylindrical sample(1)Detection soil
The temperature conditions of earth sample upper surface, rule of thumb formula calculate thermal diffusion coefficient, result of calculation and normal data are compared
Judge the pollution level of pedotheque, control system(12)Including power module(1201), infrared temperature detection module(1202)、
Jacket temperature acquisition module(1203), Keysheet module(1204), STM32 microcontrollers(1205), display module(1206), heater
Control module(1207), alarm module(1208), power module(1201)The mode of power supply is that USB power supplies are adopted, with MAX232 electricity
Flat conversion chip completes the interface communication between RS232 and UART, display module(1206)It is differentiated using 2.4 cun of 240*320
The UART serial port liquid crystal screens of rate show, heater control module(1207)Pass through 8050NPN types triode and STM32 microcontrollers
(1205), I/O mouthfuls output high level when, transistor collector is connected with emitter, make relay both ends acquisition 5V direct currents it is complete
At actuation, the control of electric heating tube, alarm module are realized(1208)Using triode expand flow, by the height of I/O mouthfuls of current potentials come
It adjusts the conducting of triode and ends to control the normal work of buzzer, to prevent heating chassis(10)Overheat, keyboard mould
Block(1204)Each button closed state is constantly detected by microcontroller with the frequency of 10 times of machine clocks, executes the son of respective keys
Program, infrared temperature detection module are mounted on infrared temperature detection sensor using SMTIR9901 chips(1)It is interior to be used to detect soil
Earth sample upper surface temperature change, jacket temperature acquisition module are believed voltage using temperature in sonde-type thermocouple detection sleeve
Number incoming STM32 microcontrollers(1205).
2. a kind of heavy metal-polluted soil detection device according to claim 1, it is characterised in that the sleeve(11)Using
Heat-resisting and smaller coefficient of thermal expansion polytetrafluoroethylene material, sleeve(11)Top and bottom is machined with internal thread, respectively with
Head cover(2)And pedestal(9)Connection, close to pedestal(9)Cylindrical surface on symmetrical machining be used to support screw thread there are two internal thread hole
Mandril(6).
3. a kind of heavy metal-polluted soil detection device according to claim 1, it is characterised in that the tube chamber welds with base has square
Shape slideway, pedestal(9)Center is machined with through-hole, pedotheque pedestal for placed(9)Upper surface, pass through V-block clamping plate(5)Folder
Tightly, make barrel(4)With pedestal(9)Centre bore it is coaxial.
4. a kind of heavy metal-polluted soil detection device according to claim 1, it is characterised in that the head cover(2)Utilize spiral shell
The fixed infrared temperature detection sensor of nail(1), infrared temperature detection sensor(1)Pass through head cover(2)The through-hole acquisition circle at center
The temperature signal of cylindricality soil upper surface, thermocouple(3)It is inserted through head cover(2)Insertion sleeve(11)It is interior to detect sleeve(11)
Internal temperature, head cover(2)On be machined with the exhaust holes of a diameter of 0.5mm ~ 1.5.
5. a kind of heavy metal-polluted soil detection device according to claim 1, it is characterised in that the V-block clamping plate(5)
Inserted base(9)In rectangular channel in slideway, by rotating threaded mandrel(6)V-block clamping plate can inwardly be held out against(5), spring(7)
One end and V-block clamping plate(5)Welding, the other end and slideway end cap(8)Contact.
6. a kind of heavy metal-polluted soil detection device according to claim 1, it is characterised in that the heating chassis(10)
Using Resistant heating, chassis and pedestal are heated(9)The upper surface of contact is machined with circular groove, and thermal conductive silicon is filled in groove
Fat makes pedotheque and heating chassis(10)It can completely attach to, it can be to avoid the generation in gap.
7. a kind of heavy metal-polluted soil detection device according to claim 1, it is characterised in that the barrel(4)Using
Al2O3Thermally insulative ceramic material has higher heat resistance and crushing resistance by die cast.
8. a kind of heavy metal-polluted soil detection device according to claim 1, it is characterised in that the control system(12)
Including power module(1201), infrared temperature detection module(1202), jacket temperature acquisition module(1203), Keysheet module
(1204), STM32 microcontrollers(1205), display module(1206), heater control module(1207), alarm module(1208).
9. a kind of heavy metal-polluted soil detection device, it is characterised in that utilize the thermal diffusion energy using the soil containing heavy metal element
Power is much larger than the characteristic of common heavy metal free contaminated soil, by testing soil along barrel(4)The thermal diffusion system of axis direction
It counts to determine whether heavy metals exceeding standard, is set to head cover(2)On infrared temperature detection sensor(1)Soil can be quickly obtained
The temperature change of sample surfaces, and then rule of thumb formula calculates thermal diffusion coefficient, by by test result and normal data pair
Than can be determined that tested soil whether by heavy metal pollution and qualitatively judge pollution degree.
Priority Applications (1)
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CN201811006449.3A CN108680603A (en) | 2018-08-30 | 2018-08-30 | A kind of heavy metal-polluted soil detection device and method |
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CN201811006449.3A CN108680603A (en) | 2018-08-30 | 2018-08-30 | A kind of heavy metal-polluted soil detection device and method |
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CN201811006449.3A Withdrawn CN108680603A (en) | 2018-08-30 | 2018-08-30 | A kind of heavy metal-polluted soil detection device and method |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110376221A (en) * | 2019-07-15 | 2019-10-25 | 安徽大学 | The automation pressure-like device and method of heavy metal-polluted soil instrument |
CN110567835A (en) * | 2019-09-30 | 2019-12-13 | 安徽金联地矿科技有限公司 | Soil sample treatment device and method based on heavy metal detection |
CN115088411A (en) * | 2022-07-05 | 2022-09-23 | 徐西川 | Integrated ecological environment index intelligent detection, monitoring and disposal device |
-
2018
- 2018-08-30 CN CN201811006449.3A patent/CN108680603A/en not_active Withdrawn
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110376221A (en) * | 2019-07-15 | 2019-10-25 | 安徽大学 | The automation pressure-like device and method of heavy metal-polluted soil instrument |
CN110376221B (en) * | 2019-07-15 | 2024-02-13 | 安徽大学 | Automatic sample pressing device and method for soil heavy metal instrument |
CN110567835A (en) * | 2019-09-30 | 2019-12-13 | 安徽金联地矿科技有限公司 | Soil sample treatment device and method based on heavy metal detection |
CN115088411A (en) * | 2022-07-05 | 2022-09-23 | 徐西川 | Integrated ecological environment index intelligent detection, monitoring and disposal device |
CN115088411B (en) * | 2022-07-05 | 2023-11-10 | 徐西川 | Integrated ecological environment index intelligent detection monitoring disposal device |
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Application publication date: 20181019 |