CN221594425U - Reverse osmosis scale inhibitor concentration measuring device - Google Patents
Reverse osmosis scale inhibitor concentration measuring device Download PDFInfo
- Publication number
- CN221594425U CN221594425U CN202421705556.6U CN202421705556U CN221594425U CN 221594425 U CN221594425 U CN 221594425U CN 202421705556 U CN202421705556 U CN 202421705556U CN 221594425 U CN221594425 U CN 221594425U
- Authority
- CN
- China
- Prior art keywords
- module
- sampling
- reverse osmosis
- micro
- scale inhibitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002455 scale inhibitor Substances 0.000 title claims abstract description 38
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 30
- 238000005070 sampling Methods 0.000 claims abstract description 71
- 238000001514 detection method Methods 0.000 claims abstract description 37
- 238000001228 spectrum Methods 0.000 claims abstract description 31
- 238000004506 ultrasonic cleaning Methods 0.000 claims abstract description 21
- 238000001035 drying Methods 0.000 claims abstract description 14
- 238000004891 communication Methods 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 9
- 239000000523 sample Substances 0.000 description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 239000012528 membrane Substances 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005370 electroosmosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009285 membrane fouling Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 150000003003 phosphines Chemical class 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to the field of concentration measurement, in particular to a reverse osmosis scale inhibitor concentration measurement device. The utility model provides a reverse osmosis scale inhibitor concentration measuring device which comprises a micro sampling module, a spectrum detection module, an ultrasonic cleaning module and an intelligent control module, wherein the micro sampling module comprises a sampling needle, a microfluidic pump and an electric cylinder, the spectrum detection module comprises a sample platform and a spectrum detection system, the ultrasonic cleaning module comprises an ultrasonic emitter and a drying device, and the intelligent control module comprises a processor, a wireless communication module and a power supply. In order to solve the problems that in the prior art, a reverse osmosis scale inhibitor concentration testing device is easy to cause blockage of sampling equipment and pollution of a detection platform, the utility model provides a reverse osmosis scale inhibitor concentration measuring device which can protect a sampling needle from being damaged and also ensure that the whole device is not polluted by blockage.
Description
Technical Field
The utility model relates to the field of concentration measurement, in particular to a reverse osmosis scale inhibitor concentration measurement device.
Background
The reverse osmosis scale inhibitor is an important chemical additive in the field of water treatment, and is mainly used for preventing and controlling the membrane surface scaling phenomenon in a reverse osmosis system so as to ensure the system operation efficiency and prolong the service life of a membrane component. In the advanced water treatment process, the reverse osmosis technology is a key step for removing impurities such as soluble solids, organic matters, bacteria and the like in water, and the application of the scale inhibitor is an important guarantee for ensuring the smooth progress of the process. The reverse osmosis scale inhibitor plays a role through various mechanisms, certain components in the scale inhibitor can form stable chelates with multivalent cations such as calcium, magnesium and the like in water to prevent the ions from combining with anions to form hard scale, and for the formed micro scale crystals, the scale inhibitor can wrap and disperse the micro scale crystals in the water to prevent the micro scale crystals from further gathering to form large particle scale layers, the scale inhibitor can change the growth direction and the form of the scale crystals, so that the scale crystals become fine and loose and are easy to be taken away by water flow, and part of the scale inhibitor also has certain corrosion inhibition performance and can protect reverse osmosis membranes from being corroded by corrosive substances.
The concentration of the scale inhibitor has a direct relationship with its scale inhibiting effect. Too low a concentration may not be sufficient to effectively inhibit scale formation, resulting in increased membrane fouling and reduced water yield and quality; while too high a concentration not only increases the operating costs, but may also cause physical or chemical damage to the reverse osmosis membrane, such as increasing the organic pollution load on the membrane surface, or adverse reactions with certain membrane materials. Therefore, it is important to determine the proper concentration of the scale inhibitor, and the optimal addition concentration is usually determined through calculation and field test according to the factors such as raw water quality, temperature, pressure, recovery rate and the like.
The utility model provides a reverse osmosis scale inhibitor mainly divide into compound scale inhibitor, RO scale inhibitor, organic phosphine series scale inhibitor, inorganic polyphosphate and biological base scale inhibitor, determine these reverse osmosis scale inhibitor concentration can pass through chemical titration method, spectral analysis, high performance liquid chromatography etc. CN218496873U discloses a reverse osmosis scale inhibitor concentration measuring device, including moving the seat, the top fixed mounting who moves the seat has the buffer seat, the top fixed mounting organic machine case of buffer seat, the inside of machine case is equipped with the battery, the top both sides of machine case are equipped with joint mechanism, liquid concentration detector is installed through joint mechanism at the top of machine case, the top that moves the seat is located the outside of buffer seat and is equipped with protection machanism. However, raw water in the reverse osmosis system may contain suspended substances, colloids, microorganisms and other impurities, which are easily accumulated at the sampling port, so that a sampling pipeline is blocked, and the representative sampling is affected. When the concentration test of the scale inhibitor is carried out, if the pretreatment of the sample is improper or the cleaning of the test equipment is incomplete, the test platform can be polluted by pollutants in the sample, and the accuracy of the test result is affected.
Disclosure of utility model
In order to solve the problems that in the prior art, a reverse osmosis scale inhibitor concentration testing device is easy to cause the blockage of sampling equipment and the pollution of a sample platform, the application provides a reverse osmosis scale inhibitor concentration testing device which can protect a sampling needle from being damaged and also ensure that a microsampling system is not polluted by blockage.
The application provides a reverse osmosis scale inhibitor concentration measuring device which comprises a micro-sampling module, a spectrum detection module, an ultrasonic cleaning module and an intelligent control module, wherein the micro-sampling module is connected with the spectrum detection module through a flow pipeline, and the micro-sampling module, the spectrum detection module and the ultrasonic cleaning module are electrically connected with the intelligent control module;
The micro sampling module comprises a sampling needle, a micro-fluidic pump and an electric cylinder, wherein the sampling needle is connected with the micro-fluidic pump through a flow pipeline, the electric cylinder is arranged on the upper part of the micro-fluidic pump, and the intelligent control module comprises a processor, a wireless communication module and a power supply which are electrically connected.
Still further, the sampling needle is provided with a microporous filter screen at the needle head.
Still further, the ultrasonic cleaning module comprises a first ultrasonic emitter which is arranged at two sides of the joint of the sampling needle and the flow pipeline.
Still further, the spectrum detection module comprises a sample platform, the ultrasonic cleaning module comprises a second ultrasonic emitter and a drying device, the drying device is arranged below the sample platform, and the second ultrasonic emitter is arranged on one side of the sample platform.
Still further, microsampling module, spectrum detection module, ultrasonic cleaning module and intelligent control module integrate in the shell.
Furthermore, the shell is divided into an upper part and a lower part, the spectrum detection module and the intelligent control module are integrated in the upper part, and the micro sampling module is arranged in the lower part.
Still further, the drying device is a resistance wire or an infrared heater.
The micro sampling module adopts a sampling needle, a micro channel is formed inside the micro sampling module, a very small amount of sample is accurately controlled to be sucked into the spectrum detection module through the micro fluidic pump, the micro sampling module is driven by the electric cylinder, the sampling needle stretches out to the outside water body for sampling, and the sampling needle can be retracted into the inner side of the device through the electric cylinder when the micro sampling module is not used, so that the sampling needle is protected from being damaged. The sampling needle and the microfluidic pump can be completed through a quick connector or a Luer lock connector, so that sealing is ensured and replacement is convenient. The other end of the sampling needle is designed as a sharp needle head so as to obtain a trace amount of sample to be measured. The sampling needle head part is designed with a replaceable microporous filter screen, so that large-particle impurities are effectively filtered, and a subsequent detection assembly is protected.
When needs cleaning, ultrasonic transmitter produces high-frequency vibration, effectively gets rid of dirt and biomembrane attached to sampling needle and runner pipeline inner wall, guarantees accuracy and the repeatability of testing result, still is provided with drying device in sample platform below, guarantees that sample platform does not have moisture and remains.
The whole system is packaged in a waterproof and anti-corrosion shell, the shell is divided into an upper part and a lower part, and the waterproof sealing ring is connected with a fastening screw, so that the installation and maintenance of internal components are facilitated.
The intelligent control module comprises a processor, a wireless communication module and a power supply which are electrically connected, and is responsible for coordinating the work of each component, processing data and communicating with external equipment through the wireless communication module. The power supply adopts rechargeable batteries or external power supply, and is positioned at the rear side of the device, so that the device is convenient to replace. The data collected by the spectrum sensor is transmitted to the processor, and after being processed, the data can be transmitted to the remote monitoring platform through the wireless module.
The beneficial effects of the application are as follows:
1. Through the accurate control of the micro-fluidic pump, the accurate suction of a very small amount of water sample is realized, the influence of sampling on the environment is reduced, and the sensitivity and the accuracy of detection are improved. The telescopic design of the sampling needle and the built-in microporous filter screen effectively prevent the blockage and pollution in the sampling process, and ensure the true representativeness of the sample.
2. The introduction of the ultrasonic cleaning module effectively eliminates dirt and biological films on the inner walls of the sampling needle and the flow pipeline, and ensures the consistency and repeatability of each detection. The modularized design and the integrated shell of the device are convenient for the installation and maintenance of the internal components, and the split design of the upper part and the lower part is reasonably arranged, so that the convenience of operation is improved.
3. The intelligent control module manages and coordinates the work of each part through the processor, realizes automatic operation, has a wireless communication function, can remotely transmit processed data to the monitoring platform, provides real-time monitoring and data analysis for users, and is convenient for remote management and decision making. By adopting a rechargeable battery or external power supply mode and combining an efficient power management system, the device ensures effective energy supply under the multitasking of ultrasonic cleaning, spectrum detection, remote communication and the like, prolongs the working time of equipment and reduces the running cost.
Drawings
FIG. 1 is a schematic diagram of a reverse osmosis scale inhibitor concentration measuring device.
In the figure: 1. a sampling needle; 2. a microfluidic pump; 3. an electric cylinder; 4. a sample platform; 5. a microporous filter screen; 601. a first ultrasonic transmitter; 602. a second ultrasonic generator; 7. a drying device; 8. a flow conduit; 9. a housing; 10. a sample; 11. a spectrum detection module; 12. an intelligent control module; 13. and a microsampling module.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the embodiments of the present application, it should be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on those shown in the drawings, or those conventionally put in place when the product of the application is used, or those conventionally understood by those skilled in the art, merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
As shown in fig. 1, the concentration measuring device for reverse osmosis scale inhibitor provided by the application comprises a micro sampling module 13, a spectrum detection module 11, an ultrasonic cleaning module and an intelligent control module 12, wherein the micro sampling module 13 is connected with the spectrum detection module 11 through a flow pipeline 8, and the micro sampling module 13, the spectrum detection module 11 and the ultrasonic cleaning module are electrically connected with the intelligent control module 12;
The micro sampling module 13 comprises a sampling needle 1, a microfluidic pump 2 and an electric cylinder 3, wherein the sampling needle 1 is connected with the microfluidic pump 2 through a flow pipeline 8, the electric cylinder 3 is arranged on the upper part of the microfluidic pump 2, and the intelligent control module 12 comprises a processor, a wireless communication module and a power supply which are electrically connected. The microfluidic pump is one of a precision injection pump, a micro gear pump, a pressure pump or an electroosmosis pump.
The sampling needle 1 is provided with a microporous filter screen 5 at the needle head. The ultrasonic cleaning module comprises a first ultrasonic emitter 601, and the first ultrasonic emitter 601 is arranged on two sides of the joint of the sampling needle 1 and the flow pipeline. The spectrum detection module 11 comprises a sample platform 4, the ultrasonic cleaning module comprises a second ultrasonic emitter 602 and a drying device 7, the drying device 7 is arranged below the sample platform 4, and the second ultrasonic emitter 602 is arranged on one side of the sample platform 4. The micro sampling module 13, the spectrum detection module 11, the ultrasonic cleaning module and the intelligent control module 12 are integrated in the shell 9. The shell 9 is divided into an upper part and a lower part, the spectrum detection module 11 and the intelligent control module 12 are integrated in the upper part, and the micro sampling module 13 is arranged in the lower part. The drying device 7 is a resistance wire or an infrared heater.
Wherein, the inside micro channel that forms of sample needle 1, the accurate control of inhaling minimum sample through micro-fluidic pump 2 gets into spectrum detection module 11, stretches out to outside water sample through electric jar 3 drive sample needle 1, can retract the device inboard through electric jar 3 when not using, protection sample needle 1 is not destroyed. The sampling needle 1 and the microfluidic pump 2 can be completed by a quick connector, ensuring sealing and convenient replacement. The other end of the sampling needle 1 is designed as a sharp needle head so as to obtain a trace amount of the sample to be measured. The head of the sampling needle 1 is provided with a replaceable microporous filter screen 5, so that large-particle impurities are effectively filtered, and a subsequent detection assembly is protected.
When cleaning is needed, the first ultrasonic transmitter 601 generates high-frequency vibration, dirt and biological films attached to the inner walls of the probe and the sampling channel are effectively removed, accuracy and repeatability of detection each time are guaranteed, and the drying device 7 is further arranged below the sample platform 4, so that no moisture remains on the sample platform 4.
The whole system is packaged in a waterproof and anti-corrosion shell 9, the shell 9 is divided into an upper part and a lower part, and the waterproof sealing ring is connected with a fastening screw, so that the installation and maintenance of internal components are facilitated.
The intelligent control module 12 is responsible for coordinating the operation of the various components, processing data, and communicating with external devices via a wireless network. The power supply adopts rechargeable batteries or external power supply, and is positioned at the rear side of the device, so that the device is convenient to replace. The data collected by the spectrum detection system is transmitted to the intelligent control module, and after being processed, the data can be transmitted to the remote monitoring platform through the wireless communication module.
When the concentration of the scale inhibitor in the water sample is required to be detected, the micro sampling module 13 of the device starts to operate, and the micro-fluidic pump 2 sucks a very small amount of water sample into the spectrum detection module 11 through accurate control. The sampling needle 1 is controlled by a telescopic mechanism driven by the electric cylinder 3, automatically stretches out from the inside of the device and is immersed into a water sample for sampling, and the head of the sampling needle 1 is provided with a microporous filter screen 5, so that large-particle impurities can be effectively filtered out, and a subsequent detection component is protected from pollution. After the sampling is finished, the sampling needle 1 automatically retracts into the device, so that the damage to the sampling needle caused by the external environment is avoided. Subsequently, the sample 10 transferred by the micro sampling module 13 enters the spectrum detection module 11, is placed on the sample stage 4, penetrates the sample by using a light source of a specific wavelength, and captures a transmission or reflection spectrum after passing through the sample 10. The spectral signals carry the concentration information of the scale inhibitor, are received by a high-sensitivity optical fiber sensor and converted into electric signals, and are transmitted to a processor in the intelligent control module 12 for analysis and calculation, so that the specific concentration of the reverse osmosis scale inhibitor in the sample 10 is determined. In the continuous use process, in order to ensure the accuracy and repeatability of the detection result, the ultrasonic cleaning module is started periodically. The first ultrasonic emitter 601 and the second ultrasonic emitter 602 generate high-frequency vibration, so that dirt and biofilm accumulation on the sampling needle 1, the inner wall of the flow pipeline 8 and the sample platform 4 are effectively removed. Meanwhile, a drying device 7 such as a resistance wire or an infrared heater at the bottom of the sample platform 4 is started, so that the sample platform 4 is ensured to be dried quickly, no moisture remains, and the pollution risk is further reduced. The cooperation among all modules is uniformly scheduled by the intelligent control module 12, and comprises the steps of sampling, detecting, cleaning, data processing and the like. The processor is not only responsible for processing the data transmitted from the spectrum detection module 11, but also transmits the processed concentration result to the remote monitoring platform through the wireless communication module, so that real-time monitoring and data analysis are facilitated. The whole device is packaged in a waterproof and antiseptic shell 9, so that long-term stable operation is ensured, and maintenance and operation are convenient.
Claims (7)
1. Reverse osmosis antisludging agent concentration determination device, its characterized in that:
The ultrasonic cleaning device comprises a micro-sampling module (13), a spectrum detection module (11), an ultrasonic cleaning module and an intelligent control module (12), wherein the micro-sampling module (13) is connected with the spectrum detection module (11) through a flow pipeline (8), and the micro-sampling module (13), the spectrum detection module (11), the ultrasonic cleaning module and the intelligent control module (12) are electrically connected;
The micro sampling module (13) comprises a sampling needle (1), a micro-fluidic pump (2) and an electric cylinder (3), wherein the sampling needle (1) is connected with the micro-fluidic pump (2) through a flow pipeline (8), the electric cylinder (3) is arranged on the upper portion of the micro-fluidic pump (2), and the intelligent control module (12) comprises a processor, a wireless communication module and a power supply which are electrically connected.
2. The reverse osmosis scale inhibitor concentration measurement device according to claim 1, wherein:
The sampling needle (1) is provided with a microporous filter screen (5) at the needle head.
3. The reverse osmosis scale inhibitor concentration measurement device according to claim 1, wherein:
The ultrasonic cleaning module comprises a first ultrasonic emitter (601), and the first ultrasonic emitter (601) is arranged on two sides of the joint of the sampling needle (1) and the flow pipeline.
4. The reverse osmosis scale inhibitor concentration measurement device according to claim 1, wherein:
The spectrum detection module (11) comprises a sample platform (4), the ultrasonic cleaning module comprises a second ultrasonic emitter (602) and a drying device (7), the drying device (7) is arranged below the sample platform (4), and the second ultrasonic emitter (602) is arranged on one side of the sample platform (4).
5. The reverse osmosis scale inhibitor concentration measurement device according to claim 1, wherein:
The micro sampling module (13), the spectrum detection module (11), the ultrasonic cleaning module and the intelligent control module (12) are integrated in the shell (9).
6. The reverse osmosis scale inhibitor concentration measuring apparatus according to claim 5, wherein:
The shell (9) is divided into an upper part and a lower part, the spectrum detection module (11) and the intelligent control module (12) are integrated at the upper part, and the micro sampling module (13) is arranged at the lower part.
7. The reverse osmosis scale inhibitor concentration measuring apparatus according to claim 4, wherein:
the drying device (7) is a resistance wire or an infrared heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421705556.6U CN221594425U (en) | 2024-07-18 | 2024-07-18 | Reverse osmosis scale inhibitor concentration measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421705556.6U CN221594425U (en) | 2024-07-18 | 2024-07-18 | Reverse osmosis scale inhibitor concentration measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221594425U true CN221594425U (en) | 2024-08-23 |
Family
ID=92415981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421705556.6U Active CN221594425U (en) | 2024-07-18 | 2024-07-18 | Reverse osmosis scale inhibitor concentration measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221594425U (en) |
-
2024
- 2024-07-18 CN CN202421705556.6U patent/CN221594425U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210571575U (en) | Water quality monitoring device for spotted silver carp breeding | |
| CN204594924U (en) | A kind of Water quality detected instrument | |
| CN111579738A (en) | Buoy type water quality monitoring equipment, pollution monitoring and tracing system and method | |
| CN208588728U (en) | A kind of water conservancy water quality monitoring and remote supervisory equipment | |
| CN117232904B (en) | Deep water sampling equipment for water environment monitoring | |
| CN105300732A (en) | Hand-held water quality sampler | |
| CN221594425U (en) | Reverse osmosis scale inhibitor concentration measuring device | |
| US11225422B2 (en) | Field groundwater filtering and sampling and moving-water flow index measuring device and method | |
| CN211453443U (en) | Water body algae concentration monitoring device based on conductivity | |
| CN209542596U (en) | A kind of aquiculture water quality monitoring device | |
| KR101162071B1 (en) | Apparatus for detecting salinity | |
| CN111732162B (en) | Tangential flow in-situ water sample filter and filtering method | |
| CN109991223A (en) | A kind of efficient chromium method COD analyzer with remote alarming device | |
| CN105911109A (en) | Method for online measurement of dissolved oxygen in water, and apparatus thereof | |
| CN112881635A (en) | River pollution monitoring equipment with function of tracing pollution sources | |
| KR20150047350A (en) | Automatic sampling device for soil pore water | |
| CN207894915U (en) | A kind of water quality Intelligent predictive control device with locomotive function | |
| CN107632550B (en) | Suspended matter stirring, filtering, concentrating, collecting and controlling system and method | |
| CN214150700U (en) | Realize quality of water on-line monitoring system of multichannel monitoring | |
| CN106841554B (en) | A kind of water ecological environment parameter acquisition system | |
| CN212540348U (en) | Integrated water quality multi-parameter automatic monitoring system | |
| CN115494215A (en) | Device for measuring volume water content of soil and concentration of nutrient solution | |
| CN212722596U (en) | Sewage on-line measuring device based on ultraviolet spectral analysis | |
| GB2619362A (en) | In-situ measurement device for marine radon and measurement method thereof | |
| CN211734116U (en) | Integrated sewage treatment equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |