CN109855912B - Quantitative detection device and detection method for heavy metal ions - Google Patents
Quantitative detection device and detection method for heavy metal ions Download PDFInfo
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- CN109855912B CN109855912B CN201910055301.7A CN201910055301A CN109855912B CN 109855912 B CN109855912 B CN 109855912B CN 201910055301 A CN201910055301 A CN 201910055301A CN 109855912 B CN109855912 B CN 109855912B
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Abstract
The invention discloses a quantitative detection device and a detection method for heavy metal ions, and the device comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a quantitative box, two sides of the top of the quantitative box are fixedly connected with connecting blocks, a metering box is fixedly connected between the tops of the two connecting blocks, two sides of the top of the metering box are fixedly connected with fixed blocks, a rotating shaft is rotatably connected between the two fixed blocks, and two ends of the rotating shaft penetrate through one side of each fixed block and extend to the other side of each fixed block. This quantitative determination device and detection method of heavy metal ion utilize piston up-and-down motion, and then will wait to detect liquid and take out into the batch meter in, rise through the kickboard and touch first control switch and close the motor, then will wait to detect the liquid and flow into the inlet pipe in, utilize first slide to rise and touch second control switch and close the solenoid valve, can carry out quantitative determination to heavy metal ion to need not test multiunit, the simple operation.
Description
Technical Field
The invention relates to the technical field of quantitative detection devices, in particular to a quantitative detection device and a detection method for heavy metal ions.
Background
The heavy metal is metal with specific gravity of more than 5, including gold, silver, copper, iron, mercury, lead, cadmium and the like, and the heavy metal is accumulated in a human body to a certain degree to cause chronic poisoning. What is heavy metal is not strictly defined uniformly at present, and the heavy metal in the aspect of environmental pollution mainly refers to heavy elements with significant biological toxicity, such as mercury, cadmium, lead, chromium, metalloid arsenic and the like. Heavy metals are very difficult to biodegrade, but instead can be concentrated hundreds of times under the action of biological amplification of the food chain and finally enter the human body. Heavy metals can interact strongly with proteins and enzymes in the human body, so that the heavy metals lose activity and can also accumulate in certain organs of the human body to cause chronic poisoning. The metal ions are ions of metal elements after a certain substance is dissolved in water, and are simply metal elements in a substance composed of molecules, and most of the metal ions are cations.
The existing heavy metal ion detection device can not perform good quantitative detection when detection is performed, so that the detection efficiency is often reduced due to too small quantity in the detection process, or the accuracy of detection data is influenced due to too large quantity, and the multiple groups are required to be tested to perform reference comparison, so that the operation process is complicated.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a quantitative detection device and a detection method for heavy metal ions, and solves the problems that the conventional detection device for heavy metal ions cannot perform quantitative detection well during detection, needs to test multiple groups for reference comparison and is complicated in operation process.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a quantitative detection device for heavy metal ions comprises a bottom plate, wherein a quantitative box is fixedly connected to the top of the bottom plate, connecting blocks are fixedly connected to two sides of the top of the quantitative box, a metering box is fixedly connected between the tops of the two connecting blocks, fixed blocks are fixedly connected to two sides of the top of the metering box, a rotating shaft is rotatably connected between the two fixed blocks, two ends of the rotating shaft penetrate through one side of each fixed block and extend to the other side of the fixed block, a U-shaped shaft is fixedly connected to two ends of the two rotating shafts, a fixed box is fixedly connected to the top of the bottom plate and located on two sides of the quantitative box, a vertical plate is fixedly connected to one side of the top of each fixed box, one side of each vertical plate is rotatably connected with one end of the U-shaped shaft, a piston is slidably connected to the inner surface of each fixed box, and a movable column is fixedly connected to the top of the piston, the top end of the movable column is rotatably connected with a thin rod, the top end of the thin rod is rotatably connected with the outer surface of the U-shaped shaft, one side of the fixed box is communicated with a liquid suction pipe, one end of the liquid suction pipe is communicated with one side of the metering box, two sides of the top of the inner cavity of the metering box are fixedly connected with a first control switch, the inner part of the metering box is slidably connected with a floating plate, the inner part of the metering box is fixedly connected with a transverse plate, the bottom of the transverse plate is fixedly connected with a partition plate, the bottom of the partition plate is fixedly connected with the bottom of the inner cavity of the metering box, two sides of the bottom of the transverse plate are fixedly connected with airtight plates, a first sliding plate is slidably connected between the two airtight plates and the partition plate, two second sliding plates are slidably connected with two sides of the inner wall of the metering box, the front side and the rear side of the metering box are respectively communicated with liquid outlet pipes, and the number of the liquid outlet pipes is four, the bottom of diaphragm just is located first slide directly over fixedly connected with second control switch, the top of bottom plate just is located the equal fixedly connected with detection case in both sides around the batch meter case, and the detection case is provided with four, the fixed surface of batch meter case is connected with liquid crystal display, the inside intercommunication of diaphragm has the feed liquor pipe, and the feed liquor pipe is provided with four, the equal fixedly connected with solenoid valve in surface of feed liquor pipe, the bottom intercommunication of batch meter case has the connecting pipe, the bottom of connecting pipe runs through the inside that the batch meter case extended to the batch meter case, two the both sides of fixed bin all communicate there is the former feed pipe.
Preferably, the top of batch meter and the outside cover that is located the pivot are equipped with the steady piece, the top fixedly connected with motor of steady piece, the one end of motor output shaft is through shaft joint fixedly connected with bull stick.
Preferably, the surface of the rotating rod is fixedly connected with a first gear, the surface of the rotating shaft is fixedly connected with a second gear, and one side of the second gear is meshed with one side of the first gear.
The invention also discloses a quantitative detection method of heavy metal ions, which specifically comprises the following steps:
step one, a starting motor drives a rotating rod to rotate through a coupler so as to drive a first gear to rotate, the first gear rotates so as to drive a meshed second gear to rotate, then a rotating shaft rotates, and further a U-shaped shaft is driven to rotate;
secondly, the U-shaped shaft rotates to drive the thin rod to move up and down, the movable column is further driven to rotate, so that the piston is driven to slide up and down in the fixed box, then the liquid to be detected containing heavy metal ions is pumped into the fixed box through the raw material pipe by utilizing atmospheric pressure, and the liquid to be detected containing heavy metal ions is pumped into the metering box through the liquid pumping pipe when the piston moves downwards;
step three, pumping the liquid to be detected containing the heavy metal ions into the metering box to enable the floating plate to ascend, after the set volume is reached, enabling the floating plate to touch the first control switch, stopping the motor from working, opening an electric control valve on the connecting pipe at the moment, and enabling the liquid to be detected containing the heavy metal ions to enter the metering box through the connecting pipe;
step four, the liquid to be detected containing the heavy metal ions flows in through the four liquid inlet pipes, and then the second sliding plate is driven to move downwards, so that the first sliding plate slides upwards, when the liquid to be detected containing the heavy metal ions reaches a set volume, the first sliding plate touches the second control switch, the corresponding electromagnetic valve is closed, and finally the liquid to be detected containing the heavy metal ions uniformly flows into the four liquid inlet pipes;
and step five, opening an electric control valve of a liquid outlet pipe on the quantitative box, so that the liquid to be detected containing the heavy metal ions flows into the detection box for detection, and finally, displaying the detection result through a liquid crystal display screen.
(III) advantageous effects
The invention provides a quantitative detection device and a detection method for heavy metal ions. Compared with the prior art, the method has the following beneficial effects:
(1) the quantitative detection device and the detection method of the heavy metal ions are characterized in that a quantitative box is fixedly connected to the top of a bottom plate, connecting blocks are fixedly connected to two sides of the top of the quantitative box, a metering box is fixedly connected between the tops of the two connecting blocks, fixed blocks are fixedly connected to two sides of the top of the metering box, a rotating shaft is rotatably connected between the two fixed blocks, two ends of the rotating shaft penetrate through one side of each fixed block and extend to the other side of the corresponding fixed block, a U-shaped shaft is fixedly connected to two ends of the two rotating shafts, a fixed box is fixedly connected to the top of the bottom plate and located on two sides of the quantitative box, a vertical plate is fixedly connected to one side of the top of the two fixed boxes, one side of the vertical plate is rotatably connected with one end of the U-shaped shaft, a piston is slidably connected to the inner surface of the fixed box, a movable column is fixedly connected to the top of the piston, and a thin rod is rotatably connected to the top end of the movable column, the top end of the thin rod is rotatably connected with the outer surface of the U-shaped shaft, one side of the fixed box is communicated with a liquid suction pipe, one end of the liquid suction pipe is communicated with one side of the metering box, two sides of the top of the inner cavity of the metering box are fixedly connected with first control switches, a floating plate is slidably connected inside the metering box, a transverse plate is fixedly connected inside the metering box, the bottom of the transverse plate is fixedly connected with a partition plate, the bottom of the partition plate is fixedly connected with the bottom of the inner cavity of the metering box, two sides of the bottom of the transverse plate are fixedly connected with airtight plates, a first sliding plate is slidably connected between the two airtight plates and the partition plate, two airtight plates and two sides of the inner wall of the metering box are slidably connected with second sliding plates, the inside of the transverse plate is communicated with liquid inlet pipes, four liquid inlet pipes are arranged, electromagnetic valves are fixedly connected to the surfaces of the liquid inlet pipes, and liquid to be detected is further pumped into the metering box by utilizing the up-down movement of the pistons, the motor is closed through the ascending touching first control switch of kickboard, then will detect the liquid inflow inlet pipe, utilizes the ascending touching second control switch of first slide to close the solenoid valve, can carry out quantitative determination to heavy metal ion to need not test multiunit, the simple operation.
(2) This heavy metal ion's quantitative determination device and detection method, both sides all communicate there is the drain pipe through around the ration case, and the drain pipe is provided with four, the top of bottom plate and the equal fixedly connected with detection case in both sides around being located the ration case, and the detection case is provided with four, the fixed surface of ration case is connected with liquid crystal display, cooperation through above-mentioned structure, with quantitative good waiting to detect liquid and flow into the detection case through the drain pipe, and show the testing result in the detection case through liquid crystal display, can audio-visual observation testing result.
Drawings
FIG. 1 is a front view of the outer structure of the present invention;
FIG. 2 is a front view of the internal structure of the present invention;
FIG. 3 is a front view of a portion of the structure of the present invention;
fig. 4 is a side view of an outer structure of the present invention.
In the figure, 1-bottom plate, 2-quantitative box, 3-connecting block, 4-metering box, 5-fixed block, 6-rotating shaft, 7-U-shaped shaft, 8-fixed box, 9-vertical plate, 10-piston, 11-movable column, 12-thin rod, 13-liquid pumping pipe, 14-first control switch, 15-floating plate, 16-transverse plate, 17-separation plate, 18-airtight plate, 19-first sliding plate, 20-second sliding plate, 21-liquid outlet pipe, 22-second control switch, 23-detection box, 24-liquid crystal display screen, 25-stable block, 26-motor, 27-rotating rod, 28-first gear, 29-second gear, 30-liquid inlet pipe, 31-electromagnetic valve, 32-connecting pipe, 33-raw material tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: a quantitative detection device for heavy metal ions comprises a bottom plate 1, wherein detection boxes 23 are fixedly connected to the top of the bottom plate 1 and positioned on the front side and the rear side of a quantitative box 2, detection heads are arranged in the detection boxes 23 and used for detecting liquid to be detected and electrically connected with liquid crystal display screens 24, four detection boxes 23 are arranged, the surface of the quantitative box 2 is fixedly connected with the liquid crystal display screens 24, the top of the bottom plate 1 is fixedly connected with the quantitative box 2, the front side and the rear side of the quantitative box 2 are communicated with liquid outlet pipes 21, electric control valves are arranged on the liquid outlet pipes 21, four liquid outlet pipes 21 are arranged, a second control switch 22 is fixedly connected to the bottom of a transverse plate 16 and positioned right above a first sliding plate 19, the second control switch 22 is electrically connected with an electromagnetic valve 31, connecting blocks 3 are fixedly connected to the two sides of the top of the quantitative box 2, and a metering box 4 is fixedly connected between the tops of the two connecting blocks 3, the bottom of the metering box 4 is communicated with a connecting pipe 32, an electric control valve is arranged on the connecting pipe 32, the bottom end of the connecting pipe 32 penetrates through the metering box 2 and extends to the inside of the metering box 2, a stabilizing block 25 is sleeved at the top of the metering box 4 and positioned outside the rotating shaft 6, a motor 26 is fixedly connected with the top of the stabilizing block 25, the motor 26 is electrically connected with a first control switch 14, one end of an output shaft of the motor 26 is fixedly connected with a rotating rod 27 through a coupler, the surface of the rotating rod 27 is fixedly connected with a first gear 28, the surface of the rotating shaft 6 is fixedly connected with a second gear 29, one side of the second gear 29 is meshed with one side of the first gear 28, two sides of the top of the metering box 4 are fixedly connected with fixed blocks 5, the rotating shaft 6 is rotatably connected between the two fixed blocks 5, two ends of the rotating shaft 6 penetrate through one sides of the fixed blocks 5 and extend to the other sides of the fixed blocks 5, two ends of the two rotating shafts 6 are fixedly connected with U-shaped shafts 7, the top of the bottom plate 1 and two sides of the metering box 2 are fixedly connected with fixed boxes 8, two sides of the two fixed boxes 8 are communicated with a raw material pipe 33, the raw material pipe 33 is provided with a one-way valve, the raw material pipe 33 is communicated with a liquid to be detected, one side of the top of the two fixed boxes 8 is fixedly connected with a vertical plate 9, one side of the vertical plate 9 is rotatably connected with one end of a U-shaped shaft 7, the inner surface of the fixed box 8 is slidably connected with a piston 10, the top of the piston 10 is fixedly connected with a movable column 11, the top of the movable column 11 is rotatably connected with a thin rod 12, the top of the thin rod 12 is rotatably connected with the outer surface of the U-shaped shaft 7, one side of the fixed box 8 is communicated with a liquid pumping pipe 13, the liquid pumping pipe 13 is provided with the one-way valve, one end of the liquid pumping pipe 13 is communicated with one side of the metering box 4, two sides of the top of the inner cavity of the metering box 4 are fixedly connected with a first control switch 14, the inner part of the metering box 4 is slidably connected with a floating plate 15, a plurality of small holes are formed in the floating plate 15, a transverse plate 16 is fixedly connected inside the quantitative box 2, a liquid inlet pipe 30 is communicated inside the transverse plate 16, four liquid inlet pipes 30 are arranged, electromagnetic valves 31 are fixedly connected to the surface of each liquid inlet pipe 30, a partition plate 17 is fixedly connected to the bottom of each transverse plate 16, the bottom of each partition plate 17 is fixedly connected with the bottom of an inner cavity of the quantitative box 2, airtight plates 18 are fixedly connected to two sides of the bottom of each transverse plate 16, first sliding plates 19 are slidably connected between the two airtight plates 18 and the partition plate 17, second sliding plates 20 are slidably connected to two airtight plates 18 and two sides of the inner wall of the quantitative box 2, liquid to be detected is pumped into the metering box 4 by means of up-and-down movement of the piston 10, the liquid to be detected rises through the floating plate 15 to touch the first control switch 14 to close the motor 26, then the liquid to be detected flows into the liquid inlet pipe 30, the second control switch 22 rises by means of the first sliding plates 19 to close the electromagnetic valves 31, can carry out quantitative determination to heavy metal ion to need not to test multiunit, the simple operation.
The invention also discloses a quantitative detection method of heavy metal ions, which specifically comprises the following steps:
step one, a starting motor 26 drives a rotating rod 27 to rotate through a coupler, so as to drive a first gear 28 to rotate, the first gear 28 rotates to drive a meshed second gear 29 to rotate, and then a rotating shaft 6 rotates, so as to drive a U-shaped shaft 7 to rotate;
step two, the U-shaped shaft 7 rotates to drive the thin rod 12 to move up and down, the movable column 11 is further driven to rotate, the piston 10 is driven to slide up and down in the fixed box 8, then the liquid to be detected containing heavy metal ions is pumped into the fixed box 8 through the raw material pipe 33 by utilizing atmospheric pressure, and the liquid to be detected containing heavy metal ions is pumped into the metering box 4 through the liquid pumping pipe 13 when the piston 10 moves down;
step three, the floating plate 15 can be lifted by the liquid to be detected containing the heavy metal ions pumped into the metering box 4, after the set volume is reached, the floating plate 15 touches the first control switch 14, the motor 26 stops working, at the moment, the electric control valve on the connecting pipe 32 is opened, and the liquid to be detected containing the heavy metal ions enters the quantifying box 2 through the connecting pipe 32;
step four, the liquid to be detected containing the heavy metal ions flows in through the four liquid inlet pipes 30, and then the second sliding plate 20 is driven to move downwards, so that the first sliding plate 19 slides upwards, when the liquid to be detected containing the heavy metal ions reaches a set volume, the first sliding plate 19 touches the second control switch 22, the corresponding electromagnetic valve 31 is closed, and finally the liquid to be detected containing the heavy metal ions uniformly flows into the four liquid inlet pipes 30;
and step five, opening an electric control valve of a liquid outlet pipe 21 on the quantitative box 2, further enabling the liquid to be detected containing the heavy metal ions to flow into a detection box 23 for detection, and finally displaying the detection result through a liquid crystal display screen 24.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a heavy metal ion's quantitative determination device, includes bottom plate (1), bottom plate (1) top fixedly connected with batch tank (2), the equal fixedly connected with connecting block (3) in both sides at batch tank (2) top, two fixedly connected with batch meter (4), its characterized in that between the top of connecting block (3): the measuring box is characterized in that fixed blocks (5) are fixedly connected to two sides of the top of the measuring box (4), a rotating shaft (6) is rotatably connected between the two fixed blocks (5), two ends of the rotating shaft (6) penetrate through one side of each fixed block (5) and extend to the other side of each fixed block (5), two ends of the rotating shaft (6) are fixedly connected with a U-shaped shaft (7), fixed boxes (8) are fixedly connected to two sides of the top of the bottom plate (1) and located on the measuring box (2), vertical plates (9) are fixedly connected to one sides of the tops of the two fixed boxes (8), one sides of the vertical plates (9) are rotatably connected with one ends of the U-shaped shafts (7), pistons (10) are slidably connected to the inner surfaces of the fixed boxes (8), movable columns (11) are fixedly connected to the tops of the pistons (10), thin rods (12) are rotatably connected to the tops of the movable columns (11), the top end of the thin rod (12) is rotatably connected with the outer surface of the U-shaped shaft (7), one side of the fixed box (8) is communicated with a liquid pumping pipe (13), one end of the liquid pumping pipe (13) is communicated with one side of the metering box (4), two sides of the top of the inner cavity of the metering box (4) are fixedly connected with a first control switch (14), the inner part of the metering box (4) is slidably connected with a floating plate (15), the inner part of the metering box (2) is fixedly connected with a transverse plate (16), the bottom of the transverse plate (16) is fixedly connected with a partition plate (17), the bottom of the partition plate (17) is fixedly connected with the bottom of the inner cavity of the metering box (2), two sides of the bottom of the transverse plate (16) are fixedly connected with air-tight plates (18), a first sliding plate (19) is slidably connected between the two air-tight plates (18) and the partition plate (17), and two sides of the inner walls of the two air-tight plates (18) and the metering box (2) are slidably connected with a second sliding plate (20), both sides all communicate with drain pipe (21) around dosing tank (2), and drain pipe (21) are provided with four, the bottom of diaphragm (16) is just located fixedly connected with second control switch (22) directly over first slide (19), the top of bottom plate (1) is just located both sides all fixedly connected with detection case (23) around dosing tank (2), and detection case (23) are provided with four, the fixed surface of dosing tank (2) is connected with liquid crystal display (24), the inside intercommunication of diaphragm (16) has feed liquor pipe (30), and feed liquor pipe (30) is provided with four, the fixed surface of feed liquor pipe (30) all is connected with solenoid valve (31), the bottom intercommunication of metering tank (4) has connecting pipe (32), the bottom of connecting pipe (32) runs through dosing tank (2) and extends to the inside of dosing tank (2), two sides of the two fixed boxes (8) are communicated with raw material pipes (33).
2. The device for quantitatively detecting heavy metal ions according to claim 1, wherein: the top of batch meter (4) and the outside cover that is located pivot (6) are equipped with steady piece (25), the top fixedly connected with motor (26) of steady piece (25), shaft coupling fixedly connected with bull stick (27) is passed through to the one end of motor (26) output shaft.
3. The device for quantitatively detecting heavy metal ions according to claim 2, wherein: the surface of the rotating rod (27) is fixedly connected with a first gear (28), the surface of the rotating shaft (6) is fixedly connected with a second gear (29), and one side of the second gear (29) is meshed with one side of the first gear (28).
4. The method for detecting a device for quantitatively detecting a heavy metal ion according to claim 3, wherein: the method comprises the following steps:
step one, a starting motor (26) drives a rotating rod (27) to rotate through a coupler so as to drive a first gear (28) to rotate, the first gear (28) rotates so as to drive a meshed second gear (29) to rotate, then a rotating shaft (6) rotates, and further a U-shaped shaft (7) is driven to rotate;
secondly, the U-shaped shaft (7) is rotated to drive the thin rod (12) to move up and down, the movable column (11) is further driven to rotate, so that the piston (10) is driven to slide up and down in the fixed box (8), then the liquid to be detected containing heavy metal ions is pumped into the fixed box (8) through the raw material pipe (33) by utilizing atmospheric pressure, and the liquid to be detected containing heavy metal ions is pumped into the metering box (4) through the liquid pumping pipe (13) when the piston (10) moves down;
step three, pumping the liquid to be detected containing the heavy metal ions in the metering box (4) to enable the floating plate (15) to ascend, after the set volume is reached, enabling the floating plate (15) to touch the first control switch (14), stopping the motor (26), opening an electric control valve on the connecting pipe (32), and enabling the liquid to be detected containing the heavy metal ions to enter the metering box (2) through the connecting pipe (32);
step four, the liquid to be detected containing the heavy metal ions flows in through the four liquid inlet pipes (30), and then the second sliding plate (20) is driven to move downwards, so that the first sliding plate (19) slides upwards, when the liquid to be detected containing the heavy metal ions reaches a set volume, the first sliding plate (19) touches the second control switch (22), the corresponding electromagnetic valve (31) is closed, and finally the liquid to be detected containing the heavy metal ions uniformly flows into the four liquid inlet pipes (30);
and step five, opening an electric control valve of a liquid outlet pipe (21) on the quantitative box (2), further enabling the liquid containing the heavy metal ions to be detected to flow into a detection box (23) for detection, and finally displaying the detection result through a liquid crystal display screen (24).
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| CN112353013B (en) * | 2020-12-09 | 2023-05-12 | 深圳市方盈电子科技有限公司 | Oiling device for electronic cigarette manufacturing |
| CN113311113B (en) * | 2021-05-26 | 2023-08-15 | 浙江广泰环境技术有限公司 | NMP product metal ion content determination system and analysis method thereof |
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| CN102680462B (en) * | 2012-05-16 | 2015-04-22 | 王磊 | Method and device for on-line monitoring of contents of multiple heavy metals in water body |
| CN202676591U (en) * | 2012-07-17 | 2013-01-16 | 西安洛克仪器设备有限公司 | Water quality automatic detector |
| CN203630085U (en) * | 2013-12-18 | 2014-06-04 | 上海仪电科学仪器股份有限公司 | Online water quality total heavy metal content monitor |
| CN204714544U (en) * | 2015-01-21 | 2015-10-21 | 苏州市和源环保科技有限公司 | A kind of heavy metal containing sewage high-efficient treatment device |
| KR101756960B1 (en) * | 2016-05-31 | 2017-07-13 | (주)아세아항측 | Monitoring method of heavy metals in soil using the aerial hyperspectral images |
| CN207068138U (en) * | 2017-06-16 | 2018-03-02 | 广州乐校通信息科技有限公司 | A kind of proportioning device for liquid automatic vending equipment |
| CN107655957B (en) * | 2017-09-20 | 2019-07-05 | 中冶华天南京工程技术有限公司 | A kind of device applied to villages and small towns river heavy metal pollution on-line monitoring |
| CN108152076A (en) * | 2017-12-11 | 2018-06-12 | 百奥森（江苏）食品安全科技有限公司 | A kind of TDS water quality detections quantitative sampling device |
| CN207699167U (en) * | 2017-12-13 | 2018-08-07 | 昆山金城试剂有限公司 | A kind of bottled reagent quantitative bottle placer |
| CN108218045B (en) * | 2018-03-09 | 2018-11-23 | 宁海利航机电设备设计有限公司 | A kind of heavy metal wastewater thereby recyclable device |
| CN108627375A (en) * | 2018-04-26 | 2018-10-09 | 南京新循环保科技有限公司 | The method that heavy metal ion quickly detects |
| CN208155971U (en) * | 2018-05-06 | 2018-11-27 | 石狮市肯森迪自动化有限公司 | A kind of harmful gas detecting device |
| CN109163955B (en) * | 2018-10-10 | 2021-07-02 | 山东志衡环境检测有限公司 | Pretreatment device for water quality detection |
| CN109115977B (en) * | 2018-10-10 | 2020-12-29 | 信丰县包钢新利稀土有限责任公司 | Tombarthite extraction waste water discharges and uses waste water pollution degree detection device |
| CN109181743A (en) * | 2018-10-15 | 2019-01-11 | 林琳 | A kind of molecular distillation petroleum extraction element |
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