CN111707632A - Online total phosphorus, ammonia nitrogen, COD quality of water automatic monitoring device - Google Patents

Online total phosphorus, ammonia nitrogen, COD quality of water automatic monitoring device Download PDF

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Publication number
CN111707632A
CN111707632A CN202010585456.4A CN202010585456A CN111707632A CN 111707632 A CN111707632 A CN 111707632A CN 202010585456 A CN202010585456 A CN 202010585456A CN 111707632 A CN111707632 A CN 111707632A
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CN
China
Prior art keywords
sampling
ammonia nitrogen
output end
total phosphorus
cod
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.)
Pending
Application number
CN202010585456.4A
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Chinese (zh)
Inventor
李文婷
徐基荣
胡海涛
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Jiangsu Jiangda Ecological Environment Technology Co ltd
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Jiangsu Jiangda Ecological Environment Technology Co ltd
Priority date (The priority date 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 date listed.)
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Priority to CN202010585456.4A priority Critical patent/CN111707632A/en
Publication of CN111707632A publication Critical patent/CN111707632A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/33Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultra-violet light
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/01Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with flat filtering elements
    • B01D29/03Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with flat filtering elements self-supporting
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means

Abstract

The invention discloses an online automatic water quality monitoring device for total phosphorus, ammonia nitrogen and COD, which belongs to the technical field of monitoring devices and comprises a filter tank, a sampling tank, a liquid inlet device, a processor and a 4G module, wherein the input end of the filter tank is connected with a river channel through a pump body; the system is convenient for data transmission and notification, so that the data can be processed in time, the water quality of a monitoring place is ensured to be good, and after each successful measurement, the water in the filter tank and the sampling tank is discharged into a river through the drain valve, so that the circulation is good.

Description

Online total phosphorus, ammonia nitrogen, COD quality of water automatic monitoring device
Technical Field
The invention relates to the technical field of monitoring devices, in particular to an online automatic water quality monitoring device for total phosphorus, ammonia nitrogen and COD.
Background
Environmental monitoring refers to the activities of environmental monitoring mechanisms to monitor and measure environmental quality conditions. The environmental monitoring is to monitor and measure the index reflecting the environmental quality to determine the environmental pollution condition and the environmental quality. The environment monitoring mainly comprises the monitoring of physical indexes, the monitoring of chemical indexes and the monitoring of an ecosystem.
The water quality monitoring is a process for monitoring and measuring the types of pollutants in a water body, the concentration and the variation trend of various pollutants and evaluating the water quality condition, the monitoring range is very wide, the monitoring range comprises uncontaminated and polluted natural water (rivers, lakes, seas and underground water) and various industrial drainage and the like, and the main monitoring items can be divided into two categories: one is a comprehensive index reflecting the water quality conditions, such as temperature, chroma, turbidity, pH value, conductivity, suspended matter, 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.
The existing water quality monitoring device is generally characterized in that a floating island is arranged on river and lake water needing to monitor water quality, water quality monitoring equipment is arranged on the floating island, but the river and lake water often has strong wind, the monitoring equipment is usually soaked under the action of the strong wind, the monitoring equipment is damaged under the condition of frequent soaking, so that the monitoring equipment cannot work normally, a monitoring sensor of the existing monitoring device is not provided with a protection device, is easy to damage underwater and is lack of a filtering mode, meanwhile, a conventional scheme of a water quality monitoring station is to detect the water quality by adopting a chemical analysis method, one set of equipment can only detect one parameter, and due to the fact that the chemical analysis method is mainly adopted, a plurality of chemical reagents are needed to participate in reaction, and a plurality of waste liquids are generated in testing and need to be collected and treated regularly, so that a large amount of manpower and material resources are consumed; meanwhile, one set of equipment can only detect one parameter, and when various parameters need to be detected, different equipment can only be added, so that the equipment needs to be placed by covering another house, and the construction cost is high.
Disclosure of Invention
The invention aims to provide an on-line automatic water quality monitoring device for total phosphorus, ammonia nitrogen and COD (chemical oxygen demand), which aims to solve the problems that the existing monitoring equipment in the background art is usually soaked in water, the monitoring equipment is damaged under the condition of frequent soaking, so that the monitoring equipment cannot work normally, a monitoring sensor of the existing monitoring device is not provided with a protection device, the monitoring sensor is easy to damage underwater and lacks a filtering mode, meanwhile, the conventional scheme of a water quality monitoring station is to adopt a chemical analysis method to detect the water quality, one set of equipment can only detect one parameter, and as a chemical analysis method is mainly adopted, a plurality of chemical reagents are needed to participate in the reaction, and a plurality of toxic waste liquids are generated in the test, and the waste liquids need to be collected and treated regularly, so that a large amount of manpower and material resources are; one set of equipment can only detect a parameter simultaneously, when needs detect multiple parameter, can only increase different equipment, just so need cover a house again in addition and place these equipment, problem that construction cost is high.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an online total phosphorus, ammonia nitrogen, COD water quality automatic monitoring device, includes filtering ponds, sampling pond, advances liquid ware, treater and 4G module, the input of filtering ponds passes through the pump body coupling river course, the output of filtering ponds passes through the pump body coupling advance the liquid ware, the output fixed connection of advancing the liquid ware sampling pond, the electrical output end electric connection of sampling pond the treater, the electrical output end electric connection of treater 4G module, the sample cell has been seted up at the top of sampling pond, online COD sensor, online ammonia nitrogen sensor and total phosphorus sensor have been pegged graft to the inside of sampling pond, the inside groove has been seted up to the inboard of liquid ware, the inside sliding connection of inside groove has the filter plate, the left side wall welding of filter plate has the net frame, the inboard contact of net frame has the inner panel, the electrical input end electric connection of treater online COD sensor, On-line ammonia nitrogen sensor with total phosphorus sensor, the electric connection of the electrical property output end electric connection of treater has water level detector, filtering ponds suction pump, filtering ponds drain valve, sample pond suction pump and sample pond drain valve, calibration pond water level detection, calibration pond suction pump and storage module.
Preferably, the bottom of the sampling groove is integrally connected with a bottom groove.
Preferably, a combined frame is welded on the right side wall of the liquid inlet device and is fixedly connected with the output end of the sampling pool through screws.
Preferably, the surface integrated into one piece of net frame is connected with the mesh, the surface integrated into one piece of inner panel is connected with the inner panel hole.
Preferably, the output end of the sampling pool is connected with a calibration pool through a pump body.
Preferably, the electrical output end of the 4G module is electrically connected with a remote monitoring water quality parameter.
Preferably, an electrical output end of the processor is electrically connected with a first voltage reduction module, and an electrical output end of the first voltage reduction module is electrically connected with a second voltage reduction module. The electrical output end of the second voltage reduction module is electrically connected with a lightning protection module.
Compared with the prior art, the invention has the beneficial effects that: the online total phosphorus, ammonia nitrogen and COD automatic water quality monitoring device is applied by combining accessories and comprises a pressure reduction module, a lightning protection module, a processor module, a 4G module and a detection module, wherein an optical sensor is adopted to measure COD value and ammonia nitrogen value in river water, no secondary pollution is generated, the river water is firstly pumped into a filter tank through a water suction pump, is pumped into a sampling tank after standing and precipitating, is matched with a liquid inlet device to carry out effective impurity filtering, is convenient for impurity separation, increases the data stability of monitoring, and sends the COD value, the ammonia nitrogen value and the total phosphorus value of the water quality into a database through the 4G module after data sampling treatment; through system PC end or cell-phone APP customer end, the user can set up the safety value field of monitoring the parameter, in case the front end sensor monitors that certain quality of water parameter surpasss the safety value field, the system will send alarm information to inform the user to in time handle, ensure that the quality of water in the place of monitoring is good, the system passes through the drain valve with the water in filtering ponds and the sampling ponds and discharges into the river after the measurement is successful each time, and the circularity is good.
Drawings
FIG. 1 is a schematic view of the overall frame structure of the present invention;
FIG. 2 is a schematic view of a sampling cell according to the present invention;
FIG. 3 is a schematic diagram of a liquid inlet device according to the present invention;
fig. 4 is a schematic diagram of the filter plate structure of the present invention.
In the figure: 100 filter ponds, 200 sampling ponds, 210 sampling ponds, 220 bottom tanks, 230 online COD sensors, 240 online ammonia nitrogen sensors, 250 total phosphorus sensors, 300 liquid inlet devices, 310 combination racks, 320 internal tanks, 330 filter plates, 331 net frames, 332 meshes, 340 internal plates, 341 internal plate holes, 350 calibration ponds, 400 processors, 410 filter pond water pumps, 420 filter pond water discharge valves, 430 sampling pond water pumps, 440 sampling pond water discharge valves, 450 calibration pond water level detection, 460 calibration pond water pumps, 470 storage modules and 5004G modules.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an on-line total phosphorus, ammonia nitrogen and COD water quality automatic monitoring device, which is combined and applied through accessories, meets the requirements of miniaturization, high precision, high reliability, simple maintenance and low maintenance cost of a water quality monitoring system, and please refer to fig. 1-4, wherein the device comprises a filtering tank 100, a sampling tank 200, a liquid inlet device 300, a processor 400 and a 4G module 500;
referring to fig. 1-4 again, the filtering tank 100 and the liquid inlet device 300, specifically, the input end of the filtering tank 100 is connected to the river channel through the pump body, the output end of the filtering tank 100 is connected to the liquid inlet device 300 through the pump body, the output end of the liquid inlet device 300 is fixedly connected to the sampling tank 200, the top of the sampling tank 200 is provided with a sampling slot 210, the sampling tank 200 is internally inserted with an online COD sensor 230, an online ammonia nitrogen sensor 240 and a total phosphorus sensor 250, the inner side of the liquid inlet device 300 is provided with an inner groove 320, the inner part of the inner groove 320 is slidably connected with a filtering plate 330, the left side wall of the filtering plate 330 is welded with a net frame 331, and the;
referring to fig. 1 again, the processor 400 is electrically connected to the sampling tank 200, specifically, the electrical output terminal of the sampling tank 200 is electrically connected to the processor 400, the electrical input terminal of the processor 400 is electrically connected to the on-line COD sensor 230, the on-line ammonia nitrogen sensor 240 and the total phosphorus sensor 250, the electrical output terminal of the processor 400 is electrically connected to the water level detector, the filtration tank water pump 410, the filtration tank water drain valve 420, the sampling tank water pump 430, the sampling tank water drain valve 440, the calibration tank water level detection 450, the calibration tank water pump 460 and the storage module 470, the on-line ammonia nitrogen sensor 240 is an ammonium ion selective electrode fabricated based on a PVC film, and is used for testing the ammonium ion content in water, and has temperature compensation to ensure that the test is fast, simple, accurate and economical, many organic matters dissolved in water in the on-line COD sensor 230 have an absorption effect on ultraviolet light, through measuring the absorption degree of these organic matters to 254nm wavelength ultraviolet ray, can the total amount of the organic pollutant of accurate measurement aquatic dissolution, COD-208 online COD sensor adopts two way light sources, 254nm ultraviolet ray all the way, 365nm ultraviolet reference light all the way, can compensate and eliminate the interference of graininess suspended solid impurity to a certain extent to the light path decay automatically to realize more reliable and more stable measurement, total phosphorus sensor is based on the spectrophotometry and improves on this basis: reacting a water sample with potassium persulfate in a digestion tank at 120-124 ℃ to convert phosphorus-containing compounds with different forms in water into orthophosphate. Reacting orthophosphate with ammonium molybdate, generating phosphomolybdic heteropoly acid in the presence of antimonate, and immediately reducing the phosphomolybdic heteropoly acid by ascorbic acid to generate a blue complex;
referring to fig. 1 again, the electrical input end of the 4G module 500 is electrically connected to the processor 400, specifically, the electrical output end of the processor 400 is electrically connected to the 4G module 500, and the electrical output end of the 4G module 500 is electrically connected to the remote monitoring water quality parameter;
in specific use, firstly, the river channel and the sampling pool 200 are respectively connected with the two ends of the filtering pool 100, and a liquid inlet device 300 is combined between the sampling pool 200 and the filtering pool 100, a filter plate 330 is arranged in the liquid inlet device 300, a screen frame 331 carrying screen holes 332 and an inner plate 340 carrying inner plate holes 341 are arranged in the filter plate 330, an online COD sensor 230, an online ammonia nitrogen sensor 240 and a total phosphorus sensor 250 are arranged in the sampling pool 200, the sensors are electrically connected with the processor 400, the processor 400 is respectively and electrically connected with the filter tank water pump 410, the filter tank drain valve 420, the sampling tank water pump 430, the sampling tank drain valve 440, the calibration tank water level detection 450 and the calibration tank water pump 460, so as to facilitate the completion of the water extraction process, meanwhile, the processor 400 is electrically connected to the storage module 470 and the 4G module 500, so that data storage and remote data transmission can be performed conveniently, and remote prompt is facilitated.
Referring to fig. 2 again, in order to increase the storage capacity of the sampling tank 210, specifically, the bottom of the sampling tank 210 is integrally connected with a bottom tank 220.
Referring to fig. 2-3 again, in order to facilitate the combination of the liquid inlet device 300 and the sampling tank 200, specifically, a combination rack 310 is welded to the right sidewall of the liquid inlet device 300, and the combination rack 310 is fixedly connected to the output end of the sampling tank 200 through screws.
Referring to fig. 4 again, in order to achieve the filtering effect, specifically, the surface of the mesh frame 331 is integrally connected with the mesh holes 332, and the surface of the inner plate 340 is integrally connected with the inner plate holes 341.
Referring to fig. 1 again, in order to increase the accuracy of data monitoring, specifically, the output end of the sampling cell 200 is connected to a calibration cell 350 through a pump body.
Referring to fig. 1 again, in order to cooperate with the discharge module connection assembly, specifically, the electrical output terminal of the processor 400 is electrically connected to the first voltage-reducing module, and the electrical output terminal of the first voltage-reducing module is electrically connected to the second voltage-reducing module. The electrical output end of the second voltage reduction module is electrically connected with the lightning protection module.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (7)

1. The utility model provides an online total phosphorus, ammonia nitrogen, COD quality of water automatic monitoring device which characterized in that: comprises a filtering tank (100), a sampling tank (200), a liquid inlet device (300), a processor (400) and a 4G module (500), wherein the input end of the filtering tank (100) is connected with a river channel through a pump body, the output end of the filtering tank (100) is connected with the liquid inlet device (300) through a pump body, the output end of the liquid inlet device (300) is fixedly connected with the sampling tank (200), the electrical output end of the sampling tank (200) is electrically connected with the processor (400), the electrical output end of the processor (400) is electrically connected with the 4G module (500), the top of the sampling tank (200) is provided with a sampling groove (210), the sampling tank (200) is internally inserted with an online COD sensor (230), an online ammonia nitrogen sensor (240) and a total phosphorus sensor (250), the inner side of the liquid inlet device (300) is provided with an inner groove (320), and the inner part of the inner groove (320) is slidably connected with a, the left side wall welding of filter plate (330) has net frame (331), the inboard contact of net frame (331) has inner panel (340), the electrical input end electric connection of treater (400) online COD sensor (230), online ammonia nitrogen sensor (240) with total phosphorus sensor (250), the electrical output end electric connection of treater (400) has water level detector, filtering ponds suction pump (410), filtering ponds drain valve (420), sampling ponds suction pump (430) and sampling ponds drain valve (440), calibration pond water level detection (450), calibration pond suction pump (460) and storage module (470).
2. The on-line automatic water quality monitoring device for total phosphorus, ammonia nitrogen and COD according to claim 1, characterized in that: the bottom of the sampling groove (210) is integrally connected with a bottom groove (220).
3. The on-line automatic water quality monitoring device for total phosphorus, ammonia nitrogen and COD according to claim 2, characterized in that: the right side wall of the liquid inlet device (300) is welded with a combined frame (310), and the combined frame (310) is fixedly connected with the output end of the sampling pool (200) through screws.
4. The on-line automatic water quality monitoring device for total phosphorus, ammonia nitrogen and COD according to claim 3, characterized in that: the surface integrated into one piece of net frame (331) is connected with mesh (332), the surface integrated into one piece of inner panel (340) is connected with inner panel hole (341).
5. The on-line automatic water quality monitoring device for total phosphorus, ammonia nitrogen and COD according to claim 4, characterized in that: the output end of the sampling pool (200) is connected with a calibration pool (350) through a pump body.
6. The on-line automatic water quality monitoring device for total phosphorus, ammonia nitrogen and COD according to claim 5, characterized in that: the electrical output end of the 4G module (500) is electrically connected with a remote monitoring water quality parameter.
7. The on-line automatic water quality monitoring device for total phosphorus, ammonia nitrogen and COD according to claim 6, characterized in that: an electrical output end of the processor (400) is electrically connected with a first voltage reduction module, and an electrical output end of the first voltage reduction module is electrically connected with a second voltage reduction module. The electrical output end of the second voltage reduction module is electrically connected with a lightning protection module.
CN202010585456.4A 2020-06-24 2020-06-24 Online total phosphorus, ammonia nitrogen, COD quality of water automatic monitoring device Pending CN111707632A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010585456.4A CN111707632A (en) 2020-06-24 2020-06-24 Online total phosphorus, ammonia nitrogen, COD quality of water automatic monitoring device

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Application Number Priority Date Filing Date Title
CN202010585456.4A CN111707632A (en) 2020-06-24 2020-06-24 Online total phosphorus, ammonia nitrogen, COD quality of water automatic monitoring device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112730293A (en) * 2020-12-28 2021-04-30 深圳市中科云驰环境科技有限公司 Ammonia nitrogen water quality monitor and method based on spectrum analysis method

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CN109738601A (en) * 2018-12-12 2019-05-10 北京博瑞环境工程有限公司 Agricultural non-point source pollution on-line monitoring system

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Publication number Priority date Publication date Assignee Title
CN101699295A (en) * 2009-11-18 2010-04-28 广州市怡文环境科技股份有限公司 Integral cabinet type water quality automatic monitoring device
CN105467139A (en) * 2014-09-12 2016-04-06 西安众智惠泽光电科技有限公司 Chemical oxygen demand online monitoring method
CN205120160U (en) * 2015-10-28 2016-03-30 常州市金坛区水产技术指导站 Culture of chinese mitten crab water quality index internet on -line monitoring , processing management and control system
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