CN215492665U - Ammonia nitrogen water quality automatic monitoring device - Google Patents
Ammonia nitrogen water quality automatic monitoring device Download PDFInfo
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- CN215492665U CN215492665U CN202122082931.9U CN202122082931U CN215492665U CN 215492665 U CN215492665 U CN 215492665U CN 202122082931 U CN202122082931 U CN 202122082931U CN 215492665 U CN215492665 U CN 215492665U
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- water
- ammonia nitrogen
- water level
- monitoring
- floating
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 174
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 238000012806 monitoring device Methods 0.000 title claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 78
- 238000007667 floating Methods 0.000 claims abstract description 42
- 230000008878 coupling Effects 0.000 claims abstract description 19
- 238000010168 coupling process Methods 0.000 claims abstract description 19
- 238000005859 coupling reaction Methods 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005187 foaming Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of water quality monitoring equipment, in particular to an automatic ammonia nitrogen water quality monitoring device, which comprises a water level rod, a monitoring box, a floating component and a monitoring terminal, wherein the water level rod is arranged in water to be detected through a base at the bottom end of the water level rod, the monitoring box is arranged at the top end of the water level rod, a controller, a water pump, an ammonia nitrogen detector and other equipment are arranged in the monitoring box, the water pump periodically pumps water through the floating component and conveys the water to the ammonia nitrogen detector for detection, the controller sends detection data to the monitoring terminal, so that the monitor terminal is to its analysis processes, showy subassembly movable mounting on the water level pole and along with water level altitude variation, showy subassembly includes floats board, showy piece and filter head, floats the board movable sleeve and establish on the water level pole and support by a plurality of showy pieces, floats and install the coupling hose with the water pump intercommunication on the board, and the filter head is installed and is filtered in order to filter coupling hose's the end of drawing water in the bottom surface of floating the board.
Description
Technical Field
The utility model relates to the technical field of water quality monitoring equipment, in particular to an automatic ammonia nitrogen water quality monitoring device.
Background
The water quality monitoring is a process for monitoring and measuring the types of pollutants in the water body, the concentrations and the variation trends of various pollutants and evaluating the water quality condition. The monitoring range is very wide, and the monitoring range comprises uncontaminated and contaminated natural water (rivers, lakes, seas and underground water), various industrial drainage and the like. The main monitoring projects can be divided into two main categories: one is a comprehensive index reflecting the water quality conditions, such as temperature, chroma, turbidity, pH value, conductivity, suspended matters, dissolved oxygen, chemical oxygen demand, biochemical oxygen demand and the like; the other is some toxic substances, such as phenol, cyanogen, arsenic, lead, chromium, cadmium, mercury, organic pesticides and the like. In order to objectively evaluate the water quality of rivers and oceans, it is sometimes necessary to measure the flow velocity and flow rate in addition to the above-mentioned monitoring items.
In order to ensure the grain safety, the monitoring of the water quality for irrigating the farmland on the water channel of the farmland is an important task at present, most areas of the farmland adopt water channel diversion at present, and a person in charge or a person needs to frequently sample the water source in the water channel or carry out real-time water quality monitoring for a period of time, so that the automatic water quality monitoring equipment convenient for long-term use on the water surface is needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides an automatic ammonia nitrogen water quality monitoring device which comprises a water level rod, a monitoring box, a floating component and a monitoring terminal, wherein the water level rod is installed in water to be detected through a base at the bottom end of the water level rod, the monitoring box is installed at the top end of the water level rod, a controller, a water pump, an ammonia nitrogen detector and other equipment are arranged in the monitoring box, the water pump periodically pumps water through the floating component and conveys the water to the ammonia nitrogen detector for detection, the controller sends detection data to the monitoring terminal, so that the monitor terminal is to its analysis processes, showy subassembly movable mounting on the water level pole and along with water level altitude variation, showy subassembly includes floats board, showy piece and filter head, floats the board movable sleeve and establish on the water level pole and support by a plurality of showy pieces, floats and install the coupling hose with the water pump intercommunication on the board, and the filter head is installed and is filtered in order to filter coupling hose's the end of drawing water in the bottom surface of floating the board.
The utility model provides an automatic ammonia nitrogen water quality monitoring device, which comprises a water level rod, a monitoring box, a floating assembly and a monitoring terminal, wherein a base and a mounting plate are respectively and fixedly arranged at two ends of the water level rod, a water level scale is arranged on the water level rod, the water level rod is vertically and fixedly arranged in water to be detected through the base, the monitoring box is positioned at the top end of the water level rod and is connected with the mounting plate, a water pump, a controller and an ammonia nitrogen detector are arranged in the monitoring box, the controller is electrically connected with the water pump and the ammonia nitrogen detector to control the action of the water pump and the ammonia nitrogen detector and receive detection data of the ammonia nitrogen detector, the controller is also communicated with the control terminal through wireless signals to realize the exchange of data and instructions, the water outlet end of the water pump is communicated with the water inlet of the ammonia nitrogen detector, the water outlet of the ammonia nitrogen detector is communicated with the outside of the monitoring box, the floating assembly is movably arranged on the water level rod, the showy subassembly is including floating board, showy piece and filter head, floats the annular plate that the board movable sleeve was established on the water level pole, floats the bottom surface of board all with set firmly a plurality of blocks that float, the filter head is uncovered and evenly set up the box body of a plurality of meshs on the section of thick bamboo wall in the top, and the filter head sets firmly in the bottom surface of floating the board, floats to be fixed on the board and wears to be equipped with coupling hose, and coupling hose's one end is located the filter head, the other end and the water inlet intercommunication of water pump.
As a further scheme of the ammonia nitrogen water quality automatic monitoring device, a sliding groove is formed in the water level rod along the rod length direction, a sliding block is arranged in the sliding groove and fixedly connected with a floating plate, a distance measuring sensor for detecting the distance between the sliding block and the top end of the water level rod is mounted on the sliding block, and the distance measuring sensor is electrically connected with a controller to send detection data to the controller.
As a further scheme of the ammonia nitrogen water quality automatic monitoring device, the filter head comprises an inner cylinder, an outer cylinder and a bottom plate, wherein the inner cylinder and the outer cylinder are cylinders with openings at the upper end and the lower end, the inner cylinder and the outer cylinder are vertically and fixedly connected to the bottom surface of the floating plate, the inner cylinder penetrates through the outer cylinder, the bottom plate is an annular plate, the upper plate surface of the bottom plate is fixedly connected with the bottom ends of the outer cylinder and the inner cylinder, a plurality of meshes are formed in the bottom plate, the inner cylinder and the outer cylinder, and one end, located in the filter head, of the connecting hose is located between the inner cylinder and the outer cylinder.
As a further scheme of the ammonia nitrogen water quality automatic monitoring device, a plurality of floating blocks are uniformly and fixedly arranged on the inner wall of the inner barrel and the outer wall of the outer barrel along the circumferential direction, and the floating blocks are made of foamed polyurethane.
As a further scheme of the ammonia nitrogen water quality automatic monitoring device, one or more of a pH value monitoring sensor, a dissolved oxygen monitoring sensor, a conductivity monitoring sensor and a turbidity monitoring sensor are arranged in the filter head.
As a further scheme of the ammonia nitrogen water quality automatic monitoring device, a storage battery for supplying power is further installed in the monitoring box, and a solar cell panel is installed at the top of the monitoring box.
As a further scheme of the ammonia nitrogen water quality automatic monitoring device, an opening is formed in the bottom of the monitoring box, and a water outlet of the ammonia nitrogen detector is communicated with the opening in the bottom of the monitoring box.
Compared with the prior art, the utility model has the following beneficial effects: this device is convenient for install, can conveniently be connected its bottom with the river water that awaits measuring and the pond water that awaits measuring through the base, and float subassembly movable mounting can go up and down along with the water level change on the water level pole, still can make things convenient for equipment to the detection of water level when making things convenient for the water pump to draw water the sampling, still can install the pH value monitoring sensor, dissolved oxygen monitoring sensor, conductivity monitoring sensor and the turbidity monitoring sensor that are used for carrying out many convenient detections to water in the filter head of float subassembly.
Drawings
FIG. 1 is an external structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic diagram of the monitoring box of the present invention;
FIG. 4 is a schematic structural view of the floatation assembly of the present invention;
the labels in the figure are: 1. the device comprises a water level rod, 2, a monitoring box, 3, a base, 4, a mounting plate, 5, a water pump, 6, an ammonia nitrogen detector, 7, a floating plate, 8, a floating block, 9, a filter head, 10 and a sliding block.
Detailed Description
As shown in the figure: an automatic ammonia nitrogen water quality monitoring device comprises a water level rod 1, a monitoring box 2, a floating assembly and a monitoring terminal, wherein the bottom end and the top end of the water level rod 1 are respectively and fixedly provided with a base 3 and a mounting plate 4, the water level rod 1 is vertically and fixedly arranged in water to be detected through the base 3, the base 3 is fixedly connected with the bottom of a pool or a river bottom of the water to be detected through connecting pieces such as screws or screw rods, the water level rod 1 is provided with water level scales, the mounting plate 4 is a flat plate, the mounting plate 4 is horizontally and fixedly arranged at the top end of the water level rod 1, the monitoring box 2 is arranged on the mounting plate 4, a water pump 5, a controller and an ammonia nitrogen detector 6 are arranged in the monitoring box 2, the ammonia nitrogen detector 6 is a device which can be purchased from the market and is used for detecting the ammonia nitrogen content in the water, the ammonia nitrogen detector 6 is provided with a water inlet and a water outlet, the water to be detected is added into the device from the water inlet and is discharged from the water outlet after being detected by an ammonia nitrogen detection sensor in the ammonia nitrogen detector 6, the water outlet of the water pump 5 is communicated with the water inlet of the ammonia nitrogen detector 6, the water pump 5 is used for pumping the water to be detected into the ammonia nitrogen detector 6, the controller is electrically connected with the water pump 5 and the ammonia nitrogen detector 6 to control the action of the water pump 5 and the ammonia nitrogen detector 6 and receive detection data of the ammonia nitrogen detector 6, the controller is a single chip microcomputer, the controller periodically controls the water pump 5 to work, part of water is extracted and sent to the ammonia nitrogen detector 6, the controller receives detection results of the ammonia nitrogen detector 6 and sends the detection results to the monitoring terminal, the monitoring terminal comprises display equipment, a processor, storage equipment and the like, the monitoring terminal receives the data of the detection results and analyzes and stores the data, so that personnel can know in real time, a network communicator is further installed in the monitoring box 2, and the controller is in signal communication with the control terminal through the network communicator to receive instructions of the monitoring terminal and send data to the monitoring terminal.
The floating component is movably arranged on the water level pole 1 and comprises a floating plate 7, floating blocks 8 and a filter head 9, the floating plate 7 is movably sleeved on an annular plate on the water level pole 1, a plurality of floating blocks 8 are fixedly arranged on the bottom surface of the floating plate 7, the floating plate 7 floats on the water surface through the floating blocks 8, and go up and down along with the water level height, preferably, the water level pole 1 is last to have seted up the spout along the pole length direction, be provided with slider 10 in the spout, slider 10 and floating plate 7 rigid coupling make floating plate 7 can go up and down along with the water level height and can not rotate around water level pole 1 simultaneously, install the range finding sensor who is used for detecting its and water level pole 1 top distance on the slider 10, range finding sensor is connected with the controller electricity and sends the detected data to the controller, after the controller sent the data that range finding sensor sent to monitor terminal, monitor terminal carried out its analysis and calculation and can acquire water level height information. The filter head 9 is a box body with an open top end and a plurality of meshes uniformly arranged on the wall of the box body, the filter head 9 is fixedly arranged on the bottom surface of the floating plate 7 and is immersed in water, the filter head 9 comprises an inner cylinder, an outer cylinder and a bottom plate, wherein the inner cylinder and the outer cylinder are cylinders with openings at the upper end and the lower end, the inner cylinder and the outer cylinder are vertically and fixedly connected with the bottom surface of the floating plate 7, the inner cylinder is sleeved outside the water level rod 1 and penetrates through the inner part of the outer cylinder, the bottom plate is an annular plate, the bottom plate is movably sleeved outside the water level rod 1, the equal rigid coupling in bottom of face and urceolus and inner tube above that, the bottom plate, a plurality of meshs have all been seted up on inner tube and the urceolus, float and fixedly wear to be equipped with coupling hose on the board 7, coupling hose's one end is located filter 9 and is located between inner tube and the urceolus, coupling hose's the water inlet intercommunication with water pump 5, water pump 5 is through the water in the coupling hose extraction water that awaits measuring, filter 9 filters the water of extraction and avoids coupling hose to block up or influence equipment normal operating. The floating block 8 is made of foamed polyurethane, a plurality of floating blocks 8 are uniformly and fixedly arranged on the inner wall of the inner barrel and the outer wall of the outer barrel along the circumferential direction, the floating plate 7 is supported and attached on the water surface through the floating blocks 8, one or more of a pH value monitoring sensor, a dissolved oxygen monitoring sensor, a conductivity monitoring sensor and a turbidity monitoring sensor are installed in the filter head 9, and the controller is electrically connected with one or more sensors installed in the filter head 9 to receive the monitored data. The monitoring box is characterized in that a storage battery is further installed in the monitoring box 2, the storage battery is electrically connected with equipment such as a controller, a water pump 5 and an ammonia nitrogen detector 6 to supply power to the storage battery, a solar cell panel is installed at the top of the monitoring box 2, a voltage conversion element matched with the solar cell panel is installed in the monitoring box 2, so that the solar cell panel supplies power to the storage battery, an opening is formed in the bottom of the monitoring box 2, a water outlet of the ammonia nitrogen detector 6 is communicated with the opening in the bottom of the monitoring box 2, and water detected by the ammonia nitrogen detector 6 is discharged from the opening in the bottom of the monitoring box 2.
When the device is used for detecting the water quality of a river or a water tank, the device is arranged at the bottom of the river or the water tank through the base 3, under the action of water, the floating component floats on the water surface and adaptively adjusts the position along with the change of the water level height, the controller periodically controls the water pump 5 to work and collect water for detection, when in detection, the water pump 5 pumps part of water to enable the part of water to pass through the ammonia nitrogen detector 6, the ammonia nitrogen detector 6 detects the water, the detected water is discharged from the ammonia nitrogen detector 6 and the opening of the monitoring box 2, the controller sends the detected data to the monitoring terminal through the network communicator after receiving the detected data, simultaneously sends the water level height data, the pH value data, the dissolved oxygen data, the conductivity data, the turbidity data and the like of the time point, after the corresponding parts in the monitoring terminal receive the data, the corresponding parts are arranged, analyzed and stored so as to be convenient for people to know in time, the controller is a single chip microcomputer device which is universal in industry, by setting the program written therein, the frequency of sampling detection can be set to improve the monitoring accuracy.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (7)
1. The utility model provides an ammonia nitrogen quality of water automatic monitoring device which characterized in that: the water level monitoring device comprises a water level rod (1), a monitoring box (2), a floating assembly and a monitoring terminal, wherein a base (3) and a mounting plate (4) are fixedly arranged at two ends of the water level rod (1) respectively, water level scales are arranged on the water level rod (1), the water level rod (1) is vertically and fixedly arranged in water to be monitored through the base (3), the monitoring box (2) is positioned at the top end of the water level rod (1) and is connected with the mounting plate (4), a water pump (5), a controller and an ammonia nitrogen detector (6) are arranged in the monitoring box (2), the controller is electrically connected with the water pump (5) and the ammonia nitrogen detector (6) respectively to control the action of the water pump and the ammonia nitrogen detector and receive detection data of the ammonia nitrogen detector (6), the controller is also communicated with the control terminal through wireless signals to realize the exchange of data and instructions, a water outlet end of the water pump (5) is communicated with a water inlet of the ammonia nitrogen detector (6), a water outlet of the ammonia nitrogen detector (6) is communicated with the outside of the monitoring box (2), the activity of floating assembly sets up on water level pole (1), and floating assembly includes floats board (7), floats piece (8) and filter head (9), floats board (7) activity cover and establishes the annular plate on water level pole (1), floats the bottom surface of board (7) all with set firmly a plurality of float pieces (8), filter head (9) are uncovered and evenly set up the box body of a plurality of meshs on the section of thick bamboo wall in the top, and filter head (9) set firmly the bottom surface at floating board (7), float and fixedly on board (7) and wear to be equipped with coupling hose, coupling hose's one end is located filter head (9), the water inlet intercommunication of the other end and water pump (5).
2. The automatic ammonia nitrogen water quality monitoring device of claim 1, which is characterized in that: the water level pole (1) is gone up and has been seted up the spout along the pole length direction, is provided with slider (10) in the spout, and slider (10) and floating board (7) rigid coupling are installed on slider (10) and are used for detecting its range sensor with water level pole (1) top distance, and range sensor is connected in order to send the detection data for the controller with the controller electricity.
3. The automatic ammonia nitrogen water quality monitoring device of claim 1, which is characterized in that: the utility model discloses a filter, including filter head (9), inner tube, urceolus and bottom plate, filter head (9) includes inner tube, urceolus and bottom plate, and the open drum in both ends about inner tube and urceolus are, and the equal vertical rigid coupling of the two is in the bottom surface of floating board (7), and inside the urceolus was worn to establish by the inner tube, the bottom plate is the annular plate, and a plurality of meshs have all been seted up on bottom plate, inner tube and the urceolus to the last face of bottom plate and the equal rigid coupling in bottom of urceolus and inner tube, the one end that coupling hose is located filter head (9) is located between inner tube and the urceolus.
4. The automatic ammonia nitrogen water quality monitoring device of claim 3, which is characterized in that: the inner wall of inner tube and the outer wall of urceolus all set firmly a plurality of floating blocks (8) along the circumferencial direction, floating block (8) are the foaming polyurethane material.
5. The automatic ammonia nitrogen water quality monitoring device of claim 3, which is characterized in that: one or more of a pH value monitoring sensor, a dissolved oxygen monitoring sensor, a conductivity monitoring sensor and a turbidity monitoring sensor are arranged in the filter head (9).
6. The automatic ammonia nitrogen water quality monitoring device of claim 1, which is characterized in that: the monitoring box (2) is also internally provided with a storage battery for supplying power, and the top of the monitoring box (2) is provided with a solar panel.
7. The automatic ammonia nitrogen water quality monitoring device of claim 1, which is characterized in that: an opening is formed in the bottom of the monitoring box (2), and a water outlet of the ammonia nitrogen detector (6) is communicated with the opening in the bottom of the monitoring box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122082931.9U CN215492665U (en) | 2021-08-31 | 2021-08-31 | Ammonia nitrogen water quality automatic monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122082931.9U CN215492665U (en) | 2021-08-31 | 2021-08-31 | Ammonia nitrogen water quality automatic monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN215492665U true CN215492665U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122082931.9U Expired - Fee Related CN215492665U (en) | 2021-08-31 | 2021-08-31 | Ammonia nitrogen water quality automatic monitoring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324491A (en) * | 2022-03-10 | 2022-04-12 | 深圳市检验检疫科学研究院 | Equipment and method for detecting heavy metal content by applying amino chelate resin |
| CN114414762A (en) * | 2022-01-29 | 2022-04-29 | 杨卫卫 | Water ecology monitoring system |
| CN114924049A (en) * | 2022-04-19 | 2022-08-19 | 郑州富铭环保科技股份有限公司 | Liftable outdoor water quality monitoring equipment of formula |
-
2021
- 2021-08-31 CN CN202122082931.9U patent/CN215492665U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114414762A (en) * | 2022-01-29 | 2022-04-29 | 杨卫卫 | Water ecology monitoring system |
| CN114414762B (en) * | 2022-01-29 | 2024-03-26 | 杨卫卫 | Water ecology monitoring system |
| CN114324491A (en) * | 2022-03-10 | 2022-04-12 | 深圳市检验检疫科学研究院 | Equipment and method for detecting heavy metal content by applying amino chelate resin |
| CN114924049A (en) * | 2022-04-19 | 2022-08-19 | 郑州富铭环保科技股份有限公司 | Liftable outdoor water quality monitoring equipment of formula |
| CN114924049B (en) * | 2022-04-19 | 2024-03-01 | 郑州富铭科技股份有限公司 | Liftable outdoor water quality monitoring equipment |
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Granted publication date: 20220111 |