CN219417420U - Water quality on-line monitoring system and small outdoor water quality monitoring station - Google Patents
Water quality on-line monitoring system and small outdoor water quality monitoring station Download PDFInfo
- Publication number
- CN219417420U CN219417420U CN202221151253.5U CN202221151253U CN219417420U CN 219417420 U CN219417420 U CN 219417420U CN 202221151253 U CN202221151253 U CN 202221151253U CN 219417420 U CN219417420 U CN 219417420U
- Authority
- CN
- China
- Prior art keywords
- detection
- water
- water quality
- flow path
- module
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Abstract
The utility model provides a small-sized multi-parameter water quality on-line monitoring system of an integrated flow path and a small-sized outdoor water quality monitoring station, which comprise a sample injection flow path module, a chemical pretreatment module and a spectrum detection module, wherein the sample injection flow path module comprises a pneumatic device formed by a multi-way air valve, a multi-way valve, a peristaltic pump and connecting pipelines thereof, so that effective switching, sequential sample injection and waste discharge of a water sample to be tested, a standard solution, a chemical reagent and pure water are realized; the water sample to be detected and the chemical reagent are sent into a chemical pretreatment module by a sample injection flow path module to be digested at high temperature and high pressure on line, and spectrum detection and analysis are carried out, wherein the chemical pretreatment module comprises an ammonia nitrogen digestion chamber, a permanganate index digestion chamber and a total nitrogen/total phosphorus digestion chamber, wherein the total phosphorus is digested in the same digestion chamber as the total nitrogen. According to the utility model, four chemical module parameters, namely ammonia nitrogen, total phosphorus and total nitrogen permanganate indexes, are synchronously measured through three digestion/colorimetric devices; the multiple parameters are integrated in the integrated flow path, so that the complexity of the whole detection equipment is reduced.
Description
Technical Field
The utility model relates to the technical field of water quality monitoring, in particular to a small multi-parameter water quality on-line monitoring system of an integrated flow path and a small outdoor water quality monitoring station.
Background
The main content of the water quality monitoring is to monitor and measure the types of pollutants in the water body, the concentration and the change trend of various pollutants and evaluate the water quality condition.
The water quality monitoring content is more, including natural water which is not polluted and polluted, various industrial drainage and the like. The main monitoring items of water quality monitoring comprise the following two main categories: one is a comprehensive index reflecting water quality conditions, such as temperature, chromaticity, 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, etc. The most important in water quality monitoring is objective evaluation of water quality conditions of rivers, oceans and the like.
The traditional environment water quality detection work mainly comprises manual sampling and laboratory instrument analysis. The method is complete in analysis means only in a perfect laboratory, the current detection requirement generally requires higher monitoring frequency and smaller sampling error to reflect pollution change condition, and the method conforms to the real detection requirement. According to the existing monitoring requirements, the perfection and striction of corresponding national policies and laws and regulations, high-quality instruments, micro-scale design, simultaneous measurement of multiple parameters, modularized ideas and network informatization concepts become the development trend of new-generation instruments.
The existing online monitoring system is mostly single-parameter or two-parameter, and multiple parameters usually need integration of multiple flow paths to realize complete detection function, so that the whole volume of the equipment is overlarge, the applicable working conditions are few, the site requirements are high, and the equipment integration degree is low. And because repetition of the sample injection flow is complicated, the long test flow is easy to appear in the crossing of multiple reagents and the sharing of the quantitative system, and the stability and accuracy of measurement are affected.
The existing water quality detector can only detect one kind of parameter, and if a plurality of controllers are needed to control a plurality of kinds of sensors for detecting a plurality of kinds of parameters, the function is single, and the observability of data is poor.
The existing water quality multi-parameter on-line monitoring instrument needs a plurality of or a plurality of integrated flow paths to finish multi-parameter measurement work, and the corresponding accessory usage amount and the occupied area of equipment are large. The small multi-parameter detector has the same digestion conditions and oxidants of total nitrogen and total phosphorus, and can share the same digestion chamber, so that the consumption of the digestion chamber and the oxidants is reduced; the digestion and measurement of a plurality of parameters can be completed under the same flow path, so that the occupied area of the equipment is effectively reduced, and the integrity and mobility of the equipment are improved.
The existing multi-parameter online monitoring instrument needs repeated quantitative sampling of reagents, time superposition of a plurality of parameters, low detection speed and low efficiency.
As a water quality monitoring instrument for detecting various parameters, how to solve the problems of redundant detection systems and large volume of the water quality monitoring instrument, and realizing stable measurement of microminiaturization and accuracy of detection of the various parameters is a technical problem to be solved by the technicians in the field.
Disclosure of Invention
In order to solve the above problems, a first object of the present utility model is to provide a small-sized multi-parameter water quality on-line monitoring system of an integrated flow path.
For this purpose, the above object of the present utility model is achieved by the following technical solutions:
a small-size multiparameter quality of water on-line monitoring system of integration flow path, its characterized in that: the system comprises a sample injection flow path module, a chemical pretreatment module and a spectrum detection module, wherein the sample injection flow path module comprises a pneumatic device formed by a multi-way air valve, a multi-way valve, a peristaltic pump and connecting pipelines thereof, so that effective switching, sequential sample injection and waste discharge of a water sample to be detected, a standard solution, a chemical reagent and pure water are realized; the water sample to be detected and the chemical reagent are sent into a chemical pretreatment module by a sample injection flow path module to be digested at high temperature and high pressure on line, and spectrum detection and analysis are carried out, wherein the chemical pretreatment module comprises an ammonia nitrogen digestion chamber, a permanganate index digestion chamber and a total nitrogen/total phosphorus digestion chamber, wherein after the total phosphorus is digested in the same digestion chamber as the total nitrogen, the total phosphorus enters the ammonia nitrogen digestion chamber to be subjected to spectrum detection and analysis.
The utility model can also adopt or combine the following technical proposal when adopting the technical proposal:
as a preferable technical scheme of the utility model: the upper ports of the ammonia nitrogen digestion chamber and the permanganate index digestion chamber are connected with a pneumatic device formed by a multi-way air valve and a multi-way peristaltic pump, and simultaneously a pressure relief ventilation opening is arranged, ammonia nitrogen, total phosphorus and permanganate reagent are simultaneously and accurately quantified through the multi-way peristaltic pump, and are fed into the corresponding digestion chambers through the pneumatic device formed by the multi-way air valve and a second peristaltic pump, and the digestion pipes of the digestion chambers are provided with a temperature control heating device and a fan.
As a preferable technical scheme of the utility model: and optical fibers corresponding to the wavelength of the detection light source exist at two sides outside the digestion tube in each digestion chamber, and spectrum detection and analysis are performed by the spectrum detector.
As a preferable technical scheme of the utility model: and after the ammonia nitrogen spectrum detection and analysis are completed, sending the liquid in the total nitrogen/total phosphorus digestion chamber into the ammonia nitrogen digestion chamber by a second peristaltic pump to test the total phosphorus.
A second object of the present utility model is a small outdoor water quality monitoring station for a small multi-parameter water quality on-line monitoring system using an integrated flow path as described above.
The utility model is realized by the following technical scheme:
the water sample monitoring system comprises a case, a front waterway, a water distribution unit, a detection module, a data acquisition and transmission unit and a control unit, wherein the front waterway is used for acquiring a water sample required by water to be monitored for detection and analysis; the water distribution unit distributes the water sample collected by the front waterway to the detection module for detection analysis; the detection module comprises a chemical detection module and a conventional five-parameter detection pond, the data acquisition and transmission unit acquires and processes detection data and operation parameters by a preset mode, the detection data and the operation parameters are acquired and transmitted to the upper computer by transmission, the control unit comprises a touch screen and a PLC control system, each detection parameter is displayed on the touch screen in real time and is detected by the operation of the PLC control system, the inside of the case is arranged in a layered mode, the lowest layer is provided with a front waterway, the conventional five-parameter detection pond and the chemical detection module are sequentially arranged on the front waterway, and the front waterway respectively passes through laminates of each layer by the water distribution unit to provide detection water samples for the five-parameter detection pond and the chemical detection module.
The utility model can also adopt or combine the following technical proposal when adopting the technical proposal:
as a preferable technical scheme of the utility model: the front waterway comprises a water taking pump and a water taking pipeline, the water taking pipeline is connected with the water distribution unit, and water samples of the five-parameter detection pool and the chemical detection module are sampled, emptied and cleaned.
As a preferable technical scheme of the utility model: the cabinet is provided with an air conditioner for adjusting the internal environment temperature of the cabinet, and an air outlet of the air conditioner is communicated through the side wall of the cabinet.
As a preferable technical scheme of the utility model: the upper end of the front cover of the case is provided with a touch screen, the touch screen is connected with a PLC control system through a circuit, and the PLC control system is arranged at the uppermost layer of the case.
The utility model has the following technical effects:
(1) Four chemical module parameters, namely ammonia nitrogen, total phosphorus and total nitrogen permanganate index, can be synchronously measured through three digestion/colorimetric devices; therefore, the multiple parameters are integrated in an integrated flow path, and the complexity of the whole detection equipment is reduced.
(2) The integrated flow path has the functions of simultaneously and accurately and stably measuring permanganate index, ammonia nitrogen, total nitrogen and total phosphorus, the integration degree of equipment is improved, meanwhile, the equipment has the conventional five-parameter measurement function, the overall integration degree is high, the occupied area of the equipment is small, and the application scene and the working condition are wider.
(3) The integrated flow path detection speed is high, multiple reagents are quantitatively finished at one time, and the multi-parameter test time is shortened. The peristaltic pump pneumatic pushing system ensures the tiny dead volume and the ultrahigh synchronization rate, ensures the stability and accuracy of quantitative sample injection, and finally ensures the accuracy and stability of test data.
(4) The small multi-parameter water quality on-line monitoring system with the integrated flow path is used as a chemical detection module of a small outdoor water quality monitoring station in the small outdoor water quality monitoring station. The method comprises the steps that five-parameter turbidity, conductivity, dissolved oxygen, temperature and pH of a water body are detected through a front waterway, the water body enters an integrated chemical module through peristaltic pump water pumping for detection, ammonia nitrogen, total phosphorus and total nitrogen are synchronously detected in the same flow path system, wherein the permanganate index is used for completing color comparison in an independent digestion chamber, the total phosphorus and the total nitrogen are digested in the same digestion chamber, the total nitrogen is used for completing color comparison, the digested total phosphorus and ammonia nitrogen share the same color comparison device, ammonia nitrogen is digested and color comparison is firstly completed, and then the color comparison of the total phosphorus is carried out.
(5) The small-sized multi-parameter water quality on-line monitoring system of the integrated flow path reduces the number of water samples in various water quality analysis, the total amount of waste liquid and the consumption of consumable materials during maintenance by sharing the water sampling pipe, the pure water pipe and the waste liquid pipe. Each chemical module supports independent operation detection, avoids reagent interference, and improves detection accuracy and detection combination flexibility of equipment.
(6) The optical fibers (total nitrogen xenon lamps) in each digestion system are integrated with the spectrum detector, so that the digestion process is convenient, measurement is completed in the digestion system, and measurement time and flow path space are saved.
(7) The equipment provided by the utility model has the five-parameter probe and chemical module testing functions, the maintenance of each detection function is centralized and convenient, the replacement and maintenance of pure water, waste liquid and reagents are also more centralized, the convenience of equipment management is improved, and the maintenance and starting speed of equipment detection is increased.
(8) The quantitative sample injection mode is simple in structure, good in repeatability and stability, convenient to replace, low in maintenance cost and wider in applicable platform.
Drawings
FIG. 1 is a flow chart of a small multi-parameter water quality on-line monitoring system of an integrated flow path of the utility model;
FIG. 2 is an open front view of a cabinet of the miniature outdoor water quality monitoring station of the present utility model;
FIG. 3 is a rear view of the small outdoor water quality monitoring station of the present utility model with the rear cover of the cabinet open;
in the drawings, a front waterway 1; a water intake line 102; a water distribution unit 2; a conventional five-parameter detection cell 3; a chemical detection module 4; a touch screen 5; a case 6; a peristaltic pump 7; an air conditioner 8; a refrigerator 9; an air pump 10; a PLC control system 11; the device comprises a pneumatic device 13 consisting of a multi-way peristaltic pump 12, a multi-way air valve, an ammonia nitrogen digestion chamber 14, a permanganate index digestion chamber 15, a total nitrogen/total phosphorus digestion chamber 21, a first peristaltic pump 16, a second peristaltic pump 17 (an air pump), a second peristaltic pump 18, a first multi-way valve 19, a second multi-way valve 20 and a liquid level meter 22.
Description of the embodiments
The utility model will be described in further detail with reference to the drawings and specific embodiments.
The utility model discloses a small-sized multi-parameter water quality on-line monitoring system of an integrated flow path, which comprises a sample injection flow path module, a chemical pretreatment module and a spectrum detection module, wherein the sample injection flow path module comprises a pneumatic device formed by a multi-way air valve, a multi-way valve, a peristaltic pump and connecting pipelines thereof, so that effective switching, sequential sample injection and waste discharge of water samples to be tested, standard solutions, chemical reagents and pure water are realized; the water sample to be detected and the chemical reagent are sent to a chemical pretreatment module by a sample injection flow path module to be digested at high temperature and high pressure on line and subjected to spectral detection and analysis, wherein the chemical pretreatment module comprises an ammonia nitrogen digestion chamber 14, a permanganate index digestion chamber 15 and a total nitrogen/total phosphorus digestion chamber 21, wherein after the total phosphorus is digested in the same digestion chamber as the total nitrogen, the total phosphorus enters the ammonia nitrogen digestion chamber to be subjected to spectral detection and analysis.
The utility model relates to a small-sized multi-parameter water quality on-line monitoring system of an integrated flow path, which comprises a pneumatic device formed by a multi-path air valve, a digestion chamber and an air blowing pipeline formed by a multi-connected peristaltic pump air valve; the second peristaltic pump 16 is connected with a first multi-way valve 19, mainly comprising a total nitrogen reagent and a waste liquid channel, and is connected with the ammonia nitrogen digestion chamber 14, the permanganate index digestion chamber 15 and the lower end of the total nitrogen/total phosphorus digestion chamber 21, and the common end of the second multi-way valve 20 is connected with the first multi-way valve 19, mainly comprising water sample, standard solution, pure water and waste liquid channels; the second multi-way valve 20 to the level gauge 21 at the second peristaltic pump 17 serves to quantify the amount of liquid in the multi-way valve.
The upper ports of the ammonia nitrogen digestion chamber 14 and the permanganate index digestion chamber 15 are connected with a pneumatic device 13 and a multi-connected peristaltic pump 12 which are formed by a multi-way air valve, and pressure relief and ventilation openings are arranged at the same time; ammonia nitrogen, total phosphorus and permanganate reagent are simultaneously and accurately quantified through a multi-connected peristaltic pump 12, and are sent into corresponding digestion chambers through an air valve in a pneumatic device 13 formed by a plurality of air valves and a second peristaltic pump 17 which is arranged, a temperature control heating device and a fan are arranged in each digestion chamber digestion pipe, and optical fibers and spectrum detectors which correspond to the wavelength of a detection light source are arranged at two sides outside the digestion pipes.
The total nitrogen is digested in the total nitrogen/total phosphorus digestion chamber 21 due to the fact that the oxidant and digestion conditions are the same as those of the total phosphorus, the total nitrogen is tested, then the total nitrogen is discharged into the ammonia nitrogen digestion chamber 14 through the second peristaltic pump 17, meanwhile, due to the fact that the ammonia nitrogen testing flow is faster and the wavelength of a main channel light source is consistent with that of the total phosphorus, the ammonia nitrogen testing flow is executed before the total phosphorus is digested into the ammonia nitrogen digestion chamber 14, and meanwhile, in order to prevent the reagent from affecting a quantitative ring at the position from the second multiway valve 20 to the second peristaltic pump 17, waste liquid in the ammonia nitrogen digestion chamber 14 is directly discharged through the peristaltic pump 18.
The utility model relates to a small outdoor water quality monitoring station of a small multi-parameter on-line detection system of an integrated flow path, which comprises the following steps:
feeding a reagent (ammonia nitrogen, total phosphorus and permanganate) of a multi-joint peristaltic pump 12, and emptying each digestion tube; the water sample is pumped by the first peristaltic pump 16, quantitatively enters the ammonia nitrogen digestion chamber 14, the permanganate index digestion chamber 15 and the total nitrogen/total phosphorus digestion chamber 21 by the second peristaltic pump 17, pure water is pumped by the first peristaltic pump 16 to clean the total nitrogen/total phosphorus digestion chamber 21, and waste liquid is discharged by the peristaltic pump 18.
Ammonia nitrogen blank detection is carried out in the ammonia nitrogen digestion chamber 14, ammonia nitrogen reagent is fed through the second peristaltic pump 17 and digestion is started, reagent is pumped through the first peristaltic pump 16 in the total nitrogen/total phosphorus digestion chamber 21, total nitrogen is quantitatively fed through the second peristaltic pump 17 and digestion is started, and permanganate index digestion chamber 15 is fed through the second peristaltic pump 17 and digestion is started.
The ammonia nitrogen digestion chamber 14 completes ammonia nitrogen detection, waste liquid is discharged through the peristaltic pump 18, pure water is pumped through the second peristaltic pump 17 to clean the ammonia nitrogen digestion chamber 14, and the waste liquid is discharged through the peristaltic pump 18 again; the total nitrogen/total phosphorus digestion chamber 21 is internally provided with total nitrogen colorimetry, the digestion liquid is pumped into the ammonia nitrogen digestion chamber 14 through the second peristaltic pump 17, the total phosphorus blank detection is carried out, and the total phosphorus reagent is pumped into the total phosphorus colorimetry through the second peristaltic pump 17.
The total nitrogen/total phosphorus digestion chamber 21 is cleaned by pumping pure water through the second peristaltic pump 17, and the total nitrogen blank detection is completed; the permanganate index digestion chamber 15 completes the color comparison of permanganate and the waste liquid is pumped by the first peristaltic pump 16 and discharged into the waste liquid position of the second multi-way valve 20, the pure water is pumped by the first peristaltic pump 16 to clean the ammonia nitrogen digestion chamber 14 and complete the blank detection of permanganate, the waste liquid is pumped by the second peristaltic pump 17 again and discharged into the waste liquid position of the second multi-way valve 20, the ammonia nitrogen digestion chamber 14 completes the total phosphorus detection, the waste liquid is discharged through the peristaltic pump 18, the pure water is pumped by the first peristaltic pump 16 and the waste liquid is discharged through the peristaltic pump 18.
According to the small multi-parameter water quality on-line monitoring system and the small outdoor water quality monitoring station of the integrated flow path, the common digestion pipe of the same digestion chamber is realized by using the same oxidant and digestion conditions of total phosphorus and total nitrogen, meanwhile, the sample injection flow path module, the chemical pretreatment module and the spectrum detection module of the small multi-parameter water quality on-line monitoring system equipment of the integrated flow path are simplified by using the characteristic that the test flow of ammonia nitrogen is faster and the main channel light source wavelength of the ammonia nitrogen is consistent with that of the total phosphorus, and the same spectrum detection module is shared by the total phosphorus and the ammonia nitrogen; the use amount of water samples and reagents is reduced, the water quality monitoring cost is reduced, and the waste discharge cost and the subsequent wastewater treatment cost are also reduced; the utility model relates to a small-sized multi-parameter water quality on-line monitoring system of an integrated flow path.
The integrated flow path taking the multi-pump air pushing technology as the core has high advantage relative to multiple parameters, the system has high integration degree, the synchronous measurement function of multiple parameters can be realized through one flow path, the detection speed is high, multiple reagents can be quantitatively finished at one time, and the multi-parameter test time is reduced.
According to the small multi-parameter water quality on-line monitoring system and the small outdoor water quality monitoring station of the integrated flow path, the accuracy of sample injection is guaranteed through an air pushing mode; the shunt sample injection of the multi-connected peristaltic pump is free from reagent liquid mixing risks and interference, and is suitable for detecting various parameters; the peristaltic pump-air pump quantitative system based on multiple ensures the synchronization rate and the stability and the accuracy of the test.
According to the small multi-parameter water quality on-line monitoring system and the small outdoor water quality monitoring station of the integrated flow path, the synchronous multi-peristaltic pump is used for synchronously quantifying the reagent, and the corresponding reagent pipelines of all pneumatic pushing are independent, so that redundant reagent replacement is avoided, and the overall reagent consumption is reduced.
The small outdoor water quality monitoring station of the integrated flow path based on-line monitoring system for the small multi-parameter water quality is used as a chemical detection module of the small outdoor water quality monitoring station.
The utility model relates to a small-sized outdoor water quality monitoring station of an integrated flow path small-sized multi-parameter water quality on-line monitoring system, which comprises a case, a front waterway, a water distribution unit, a detection module, a data acquisition and transmission unit and a control unit, wherein the front waterway is used for acquiring a water sample required by a water body to be monitored for detection and analysis; the water distribution unit distributes the water sample collected by the front waterway to the detection module for detection analysis; the detection module comprises a chemical detection module and a conventional five-parameter detection pond, the data acquisition and transmission unit acquires and processes detection data and operation parameters by a preset mode, the detection data and the operation parameters are acquired and transmitted to the upper computer by transmission, the control unit comprises a touch screen and a PLC control system, each detection parameter is displayed on the touch screen in real time and is detected by the operation of the PLC control system, the inside of the case is arranged in a layered mode, the lowest layer is provided with a front waterway, the conventional five-parameter detection pond and the chemical detection module are sequentially arranged on the front waterway, and the front waterway respectively passes through laminates of each layer by the water distribution unit to provide detection water samples for the five-parameter detection pond and the chemical detection module.
In the present utility model, the conventional five parameters in the conventional five-parameter measuring cell 3 refer to pH, conductivity, dissolved oxygen, turbidity, temperature.
In the utility model, the front waterway, the conventional five-parameter detection pool and the chemical detection module are arranged in the case 6 in a layered manner, so that the modularized design is convenient for installation and disassembly. The front waterway 1 is arranged at the bottommost layer of the chassis 6, the upper end is divided into two layers to be provided with the chemical detection module 4 and the conventional five-parameter detection tank 3, the detection module is quickly and conveniently installed according to requirements, the reasonable partition arrangement ensures that the occupied area of the detection station in the horizontal direction is small, and the miniaturization and integration of the water quality detection station are realized.
In the utility model, the front waterway 1 comprises a water taking pump and a water taking pipeline 102, the water taking pipeline 102 is connected with the water distribution unit 2, and water samples of the five-parameter detection tank 3 and the chemical monitoring module 4 are sampled, emptied and cleaned.
The case 6 is provided with an air conditioner 8 for adjusting the internal environment temperature of the case 6, and an air outlet of the air conditioner 8 is communicated with the side wall of the case 6.
The upper end of the front cover of the case 6 is provided with a touch screen 5, the touch screen 5 is connected with a PLC control system through a circuit, and the PLC control system is arranged at the uppermost layer of the case 6.
In the utility model, the water distribution unit 4 comprises a peristaltic pump 7 arranged on the side wall of the case 6, and the peristaltic pump is provided with an air pump 10 for pushing chemical reagents to enter the chemical detection module 4 through the peristaltic pump.
The refrigerator 9 is also provided for storing medicament reagents required by chemical detection, and the refrigerator 9 is arranged in the cabinet 6 near the back and at the lower end of the chemical detection module 4.
The small outdoor water quality monitoring station of the integrated flow path small multi-parameter water quality on-line monitoring system is used as a chemical detection module of the small outdoor water quality monitoring station, integrates an industrial personal computer, a plurality of chemical modules and conventional five parameters into a whole, can realize multi-parameter flexible combination detection, selects a detection range, has a synchronous conventional five-parameter probe function, and is suitable for real-time detection of surface water.
The above detailed description is intended to illustrate the present utility model by way of example only and not to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the precise embodiments disclosed, and any modifications, equivalents, improvements, etc. that fall within the spirit and scope of the utility model as defined by the appended claims.
Claims (7)
1. A small-size multiparameter quality of water on-line monitoring system of integration flow path, its characterized in that: the system comprises a sample injection flow path module, a chemical pretreatment module and a spectrum detection module, wherein the sample injection flow path module comprises a pneumatic device formed by a multi-way air valve, a multi-way valve, a peristaltic pump and connecting pipelines thereof, so that effective switching, sequential sample injection and waste discharge of a water sample to be detected, a standard solution, a chemical reagent and pure water are realized; the water sample to be detected and the chemical reagent are sent into a chemical pretreatment module by a sample injection flow path module to be digested at high temperature and high pressure on line, and spectrum detection and analysis are carried out, wherein the chemical pretreatment module comprises an ammonia nitrogen digestion chamber, a permanganate index digestion chamber and a total nitrogen/total phosphorus digestion chamber, wherein after the total phosphorus is digested in the same digestion chamber as the total nitrogen, the total phosphorus enters the ammonia nitrogen digestion chamber to be subjected to spectrum detection and analysis.
2. The integrated flow path compact multi-parameter water quality on-line monitoring system of claim 1, wherein: the upper ports of the ammonia nitrogen digestion chamber and the permanganate index digestion chamber are connected with a pneumatic device formed by a multi-way air valve and a multi-way peristaltic pump, and simultaneously a pressure relief ventilation opening is arranged, ammonia nitrogen, total phosphorus and permanganate reagent are simultaneously and accurately quantified through the multi-way peristaltic pump, and are fed into the corresponding digestion chambers through the pneumatic device formed by the multi-way air valve and a second peristaltic pump, and the digestion pipes of the digestion chambers are provided with a temperature control heating device and a fan.
3. The integrated flow path compact multi-parameter water quality on-line monitoring system of claim 2, wherein: and optical fibers corresponding to the wavelength of the detection light source exist at two sides outside the digestion tube in each digestion chamber, and spectrum detection and analysis are performed by the spectrum detector.
4. A miniature outdoor water quality monitoring station incorporating a flowline miniature multi-parameter water quality on-line monitoring system as claimed in any one of claims 1 to 3, wherein: the water sample monitoring system comprises a case, a front waterway, a water distribution unit, a detection module, a data acquisition and transmission unit and a control unit, wherein the front waterway is used for acquiring a water sample required by water to be monitored for detection and analysis; the water distribution unit distributes the water sample collected by the front waterway to the detection module for detection analysis; the detection module comprises a chemical detection module and a conventional five-parameter detection pond, the data acquisition and transmission unit acquires and processes detection data and operation parameters by a preset mode, the detection data and the operation parameters are acquired and transmitted to the upper computer by transmission, the control unit comprises a touch screen and a PLC control system, each detection parameter is displayed on the touch screen in real time and is detected by the operation of the PLC control system, the inside of the case is arranged in a layered mode, the lowest layer is provided with a front waterway, the conventional five-parameter detection pond and the chemical detection module are sequentially arranged on the front waterway, and the front waterway respectively passes through laminates of each layer by the water distribution unit to provide detection water samples for the five-parameter detection pond and the chemical detection module.
5. A miniature outdoor water quality monitoring station as defined in claim 4, wherein: the front waterway comprises a water taking pump and a water taking pipeline, the water taking pipeline is connected with the water distribution unit, and water samples of the five-parameter detection pool and the chemical detection module are sampled, emptied and cleaned.
6. A miniature outdoor water quality monitoring station as defined in claim 4, wherein: the cabinet is provided with an air conditioner for adjusting the internal environment temperature of the cabinet, and an air outlet of the air conditioner is communicated through the side wall of the cabinet.
7. A miniature outdoor water quality monitoring station as defined in claim 4, wherein: the upper end of the front cover of the case is provided with a touch screen, the touch screen is connected with a PLC control system through a circuit, and the PLC control system is arranged at the uppermost layer of the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221151253.5U CN219417420U (en) | 2022-05-13 | 2022-05-13 | Water quality on-line monitoring system and small outdoor water quality monitoring station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221151253.5U CN219417420U (en) | 2022-05-13 | 2022-05-13 | Water quality on-line monitoring system and small outdoor water quality monitoring station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219417420U true CN219417420U (en) | 2023-07-25 |
Family
ID=87240407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221151253.5U Active CN219417420U (en) | 2022-05-13 | 2022-05-13 | Water quality on-line monitoring system and small outdoor water quality monitoring station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219417420U (en) |
-
2022
- 2022-05-13 CN CN202221151253.5U patent/CN219417420U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103033499B (en) | A kind of water quality analytical system | |
| CN206248652U (en) | Real-time in-situ water quality monitor | |
| CN103364461B (en) | Online water heavy metal analyzer | |
| CN106556598B (en) | Automatic in-situ nutritive salt analysis device for seawater monitoring | |
| CN112960867A (en) | Integrated sewage treatment dynamic regulation and control system | |
| CN2921830Y (en) | Total cadmium, total lead, total zinc and total manganese on-line automatic monitoring instrument | |
| CN203241404U (en) | Automatic multi-parameter chemical reagent filling device of water quality online analyzer | |
| CN111796107A (en) | Multi-parameter water quality online monitoring integrated system and monitoring method thereof | |
| CN211626551U (en) | Miniature surface water environmental quality check out test set | |
| CN114965922A (en) | Small-sized multi-parameter water quality online monitoring system and method of integrated flow path and application thereof | |
| CN106645619A (en) | Real-time in-situ water quality monitor and monitoring method thereof | |
| KR101108561B1 (en) | Apparatus for measuring pH by using absorptiometric analysis and measuring method using the same | |
| CN219417420U (en) | Water quality on-line monitoring system and small outdoor water quality monitoring station | |
| CN201974375U (en) | Total nitrogen online water quality analyzer | |
| CN215004953U (en) | Multi-parameter automatic water quality analysis system | |
| CN213302004U (en) | Water quality permanganate index on-line analyzer | |
| CN212432951U (en) | Light path system for multi-parameter water quality on-line analyzer and analyzer | |
| CN115931451B (en) | Sampling analysis unit suitable for surface water monitoring | |
| CN111257313A (en) | High-precision alkali passing amount online analysis system and method | |
| CN111060157A (en) | Miniature surface water environmental quality check out test set | |
| CN109916833A (en) | Multi-parameter water quality detector | |
| CN214668982U (en) | Full-automatic verification quality control device of online monitoring instrument | |
| CN212432950U (en) | Multi-parameter water quality on-line analyzer | |
| CN203376336U (en) | Phosphorus and fluorine content on-line testing analysis meter | |
| CN217424856U (en) | Outdoor small-size water quality testing station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |