CN203811448U - Dilution system of automatic online monitoring system for aquaculture water quality - Google Patents

Dilution system of automatic online monitoring system for aquaculture water quality Download PDF

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Publication number
CN203811448U
CN203811448U CN201420104753.2U CN201420104753U CN203811448U CN 203811448 U CN203811448 U CN 203811448U CN 201420104753 U CN201420104753 U CN 201420104753U CN 203811448 U CN203811448 U CN 203811448U
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China
Prior art keywords
dilution
solenoid valve
peristaltic pump
water quality
electromagnetic valve
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Expired - Fee Related
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CN201420104753.2U
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Chinese (zh)
Inventor
祝璟琳
杨弘
肖炜
李大宇
邹芝英
乐贻荣
韩珏
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Freshwater Fisheries Research Center of Chinese Academy of Fishery Sciences
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Freshwater Fisheries Research Center of Chinese Academy of Fishery Sciences
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Abstract

The utility model provides a dilution system of an automatic online monitoring system for aquaculture water quality. The dilution system comprises a dilution system main control PLC (Programmable Logic Controller), a first peristaltic pump, a second peristaltic pump, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a two-position three-way fourth electromagnetic valve, a fifth electromagnetic valve, a sample filter barrel, a tap water barrel, a dilution barrel and a stirring machine. The first electromagnetic valve, the tap water barrel, the second electromagnetic valve, the second peristaltic pump and the dilution barrel are connected with water pipes in sequence; the sample filter barrel, the first peristaltic pump, the third electromagnetic valve and the dilution barrel are connected with water pipes in sequence; the two-position three-way fourth electromagnetic valve is respectively connected with the sample filter barrel and the dilution barrel with water pipes and is then connected with a multi-parameter water quality analyzer; a work head of the stirring machine stretches into the dilution barrel, and the fifth electromagnetic valve is connected with the bottom of the dilution barrel. The dilution system realizes online dilution and measurement for water quality samples beyond the range limit of the automatic online monitoring system for the aquaculture water quality.

Description

The dilution system of fishery water quality automatic on-line monitoring system
Technical field
The utility model relates to fishery cultivating facility, especially a kind of dilution system of water quality monitoring system.
Background technology
Breed fish and " support water ", regulating and controlling water quality is most important concerning aquaculture.Carry out regulating and controlling water quality, first will understand the water quality parameter of breeding water body.Conventionally the monitoring of water quality parameter needs collection in worksite water sample, send use for laboratory chemico-analytic method, and the methods such as spectrophotometric method are measured one by one, and the data accuracy of monitoring is high like this, but its project is single, wastes time and energy, and can not whip up.Also can adopt electric pole type water quality tacheometer directly to insert water sample and detect, in time convenient.But more existing electric pole type water quality tacheometers can only detect single index mostly, and can not real time on-line monitoring.Along with scientific and technical progress, large quantities of patent of invention or utility models that relate to the detection of water quality automatic on-line emerge, as, 201210229278.7: a kind of cultivation water monitoring water sample sampling device; ZL 01268242.X: a kind of online water quality testing meter; 03131969.6: a kind of multi-parameter water quality monitoring method and device, etc., can realize fishery multi-parameter water-quality on-line real time monitoring.But once the parameter of fishery water quality surpasses the range of water quality automatic on-line monitoring system, its measurement result maybe cannot be measured with regard to unreliable.As the water-quality guideline in pond, living through winter for tilapia greenhouse, because cultivation density is large, water body is little, changes water frequency low, ammonia nitrogen wherein, and the concentration of the indexs such as nitre nitrogen and nitrite nitrogen, far away higher than the concentration in Aquacultural water, has even exceeded the range of on-line monitoring system.If build again a set of on-line monitoring system, time-consuming, costly, effort.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of dilution system of fishery water quality automatic on-line monitoring system, realization is carried out on-line dilution and measurement to surpassing the water quality sample of fishery water quality automatic on-line monitoring system range ability, makes measurement result more accurate.The technical solution adopted in the utility model is:
A kind of dilution system of fishery water quality automatic on-line monitoring system, comprise dilution system main control PLC, the first peristaltic pump and the second peristaltic pump, the first solenoid valve, the second solenoid valve, the 3rd solenoid valve, two-bit triplet the 4th solenoid valve, the 5th solenoid valve, sample filtering bucket, from the beginning bucket, dilution drum, stirring machine; The main system PLC of dilution system main control PLC and fishery water quality automatic on-line monitoring system is online, the order output terminal of dilution system main control PLC is electrically connected to the first peristaltic pump, the second peristaltic pump, stirring machine, the first solenoid valve, the second solenoid valve, the 3rd solenoid valve, two-bit triplet the 4th solenoid valve, the 5th solenoid valve.
The first solenoid valve, bucket from the beginning, the second solenoid valve, the second peristaltic pump and dilution drum in order water pipe are connected.
Sample filtering bucket, the first peristaltic pump, the 3rd solenoid valve and dilution drum in order water pipe are connected.
Two-bit triplet the 4th solenoid valve is connected with multiparameter water quality analyzer after being connected with dilution drum water pipe respectively at sample filtering bucket.
The working head of stirring machine stretches in dilution drum, and the 5th solenoid valve is connected with dilution drum bottom.
Further, the top of described bucket is from the beginning provided with a tap water run-down pipe.
The utility model has the advantage of: when reaching or surpass in the measurement of setting, fishery water quality testing concentration prescribes a time limit, can be according to the automatic dilution that requires of extension rate, the concentration after assurance dilution is in the range ability of automatic on-line monitoring system.This dilution system is simple in structure, easy to operate, and analysis result is accurate, and reliability is high, avoids causing the inaccurate of measurement result because of water sample concentration no to scale to be measured.
Accompanying drawing explanation
Fig. 1 is electrical connection schematic diagram of the present utility model.
Fig. 2 is that structure of the present utility model forms schematic diagram.
Embodiment
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, a dilution system for fishery water quality automatic on-line monitoring system, comprises dilution system main control PLC (programmable logic controller (PLC)), the first peristaltic pump and the second peristaltic pump, the first solenoid valve, the second solenoid valve, the 3rd solenoid valve, two-bit triplet the 4th solenoid valve, the 5th solenoid valve, sample filtering bucket, bucket from the beginning, dilution drum, stirring machine and tap water run-down pipe etc.The PLC that dilution system main control PLC can adopt Siemens Company to produce.
Fishery water quality automatic on-line monitoring system normally, for monitoring the water quality of outdoor pond fishery water body, mainly comprises main system PLC and multiparameter water quality analyzer etc.When winter is during at fingerlings such as tank interior cultivating tilapias, because tank interior cultivation density is large, ammonia nitrogen wherein, the concentration of the indexs such as nitre nitrogen and nitrite nitrogen, far away higher than the concentration in Aquacultural water, even can surpass the range of multiparameter water quality analyzer.While therefore utilizing existing fishery water quality automatic on-line monitoring system to monitor the high water quality of index concentration, need suitable sample water is diluted.
The dilution system that the utility model provides, as connected as shown in Figure 1 and Figure 2.
The main system PLC of dilution system main control PLC and fishery water quality automatic on-line monitoring system is online, the order output terminal of dilution system main control PLC is electrically connected to the first peristaltic pump, the second peristaltic pump, stirring machine, the first solenoid valve, the second solenoid valve, the 3rd solenoid valve, two-bit triplet the 4th solenoid valve, the 5th solenoid valve, works by controlling the pump valve of dilution system, makes system have water sample dilution function.
The first solenoid valve, bucket from the beginning, the second solenoid valve, the second peristaltic pump and dilution drum in order water pipe are connected.For preventing that the water in bucket from the beginning from overflowing, the top of bucket is provided with a tap water run-down pipe from the beginning.
Sample filtering bucket, the first peristaltic pump, the 3rd solenoid valve and dilution drum in order water pipe are connected.
Two-bit triplet the 4th solenoid valve is connected with multiparameter water quality analyzer after being connected with dilution drum water pipe respectively at sample filtering bucket.
The working head of stirring machine stretches in dilution drum, and the 5th solenoid valve is connected with dilution drum bottom.
The dilution system of above-mentioned fishery water quality automatic on-line monitoring system, utilizes the second solenoid valve to control the working time of the second peristaltic pump, utilizes the 3rd solenoid valve to control the working time of the first peristaltic pump, utilizes the 5th solenoid valve to carry out the water in emptying dilution drum.
The dilution system of above-mentioned fishery water quality automatic on-line monitoring system, utilize the working time Quality control sample size of the 3rd solenoid valve and the first peristaltic pump (sampling pump), utilize working time of the first solenoid valve, the second solenoid valve and the second peristaltic pump (water service pump) to control the input of tap water, after extension rate sample introduction product as requested and tap water, in dilution drum, with mixer, fully stir and evenly mix.
The dilution system of above-mentioned fishery water quality automatic on-line monitoring system, utilize two-bit triplet the 4th solenoid valve control from dilution drum or directly from sample filtering bucket sample drawing enter multiparameter water quality analyzer analysis.
Specific embodiment one: ammonia nitrogen concentration is 2mg/L in water body, the range of fishery water quality automatic on-line monitoring system is 0-2mg/L, and dilution target is 2 times, and the concentration after dilution is 1mg/L.The flow of the first peristaltic pump is 0.5L/min, and the flow of the second peristaltic pump is 1L/min.
First, open the first solenoid valve, the second solenoid valve and the second peristaltic pump, close the 5th solenoid valve, continues 30s, stirs 15s dilution drum is cleaned with stirring machine;
Then, open the 5th solenoid valve 30s, after the water in emptying dilution drum, close the 5th solenoid valve;
Then, open the first solenoid valve, the second solenoid valve and the second peristaltic pump, close the 5th solenoid valve, continues to close the first solenoid valve, the second solenoid valve and the second peristaltic pump after 10s; In this period dilution drum, enter tap water;
Subsequently, open the first peristaltic pump and the 3rd solenoid valve, continue to close the first peristaltic pump and the 3rd solenoid valve after 20s; In this period dilution drum, enter sample to be diluted;
Finally, with mixer, stir 15s, after mixing, open the 4th solenoid valve, take out the dilution in dilution drum after sample to multiparameter water quality analyzer measure.
Specific embodiment two: nitrous nitrogen concentration is 1.5mg/L in water body, fishery water quality automatic on-line monitoring system range is 0-0.3mg/L, and dilution target is 10 times, and the concentration after dilution is 0.15mg/L.The flow of the first peristaltic pump is 0.5L/min, and the flow of the second peristaltic pump is 1L/min.
First, open the first solenoid valve, the second solenoid valve and the second peristaltic pump, close the 5th solenoid valve, continues 30s, stirs 15s dilution drum is cleaned with stirring machine;
Then, open the 5th solenoid valve 30s, after the water in emptying dilution drum, close the 5th solenoid valve;
Then, open the first solenoid valve, the second solenoid valve and the second peristaltic pump, close the 5th solenoid valve, continues to close the first solenoid valve, the second solenoid valve and the second peristaltic pump after 45s; In this period dilution drum, enter tap water;
Subsequently, open the first peristaltic pump and the 3rd solenoid valve, continue to close the first peristaltic pump and the 3rd solenoid valve after 10s; In this period dilution drum, enter sample to be diluted;
Finally, with mixer, stir 15s, after mixing, open the 4th solenoid valve, take out the dilution in dilution drum after sample to multiparameter water quality analyzer measure.

Claims (2)

1. the dilution system of a fishery water quality automatic on-line monitoring system, it is characterized in that, comprise dilution system main control PLC, the first peristaltic pump and the second peristaltic pump, the first solenoid valve, the second solenoid valve, the 3rd solenoid valve, two-bit triplet the 4th solenoid valve, the 5th solenoid valve, sample filtering bucket, bucket from the beginning, dilution drum, stirring machine;
The main system PLC of dilution system main control PLC and fishery water quality automatic on-line monitoring system is online, the order output terminal of dilution system main control PLC is electrically connected to the first peristaltic pump, the second peristaltic pump, stirring machine, the first solenoid valve, the second solenoid valve, the 3rd solenoid valve, two-bit triplet the 4th solenoid valve, the 5th solenoid valve;
The first solenoid valve, bucket from the beginning, the second solenoid valve, the second peristaltic pump and dilution drum in order water pipe are connected;
Sample filtering bucket, the first peristaltic pump, the 3rd solenoid valve and dilution drum in order water pipe are connected;
Two-bit triplet the 4th solenoid valve is connected with multiparameter water quality analyzer after being connected with dilution drum water pipe respectively at sample filtering bucket;
The working head of stirring machine stretches in dilution drum, and the 5th solenoid valve is connected with dilution drum bottom.
2. the dilution system of fishery water quality automatic on-line monitoring system as claimed in claim 1, is characterized in that: the top of described bucket is from the beginning provided with a tap water run-down pipe.
CN201420104753.2U 2014-03-07 2014-03-07 Dilution system of automatic online monitoring system for aquaculture water quality Expired - Fee Related CN203811448U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103868782A (en) * 2014-03-07 2014-06-18 中国水产科学研究院淡水渔业研究中心 Dilution system and dilution method of automatic online monitoring system for fishery water quality
CN105158051A (en) * 2015-10-14 2015-12-16 郑州富铭环保科技有限公司 Dilution device for determination of high-concentration water sample through water-quality on-line analyzer
CN107356771A (en) * 2017-06-26 2017-11-17 中国水产科学研究院淡水渔业研究中心 Freshwater ponds water quality on-line detection method
CN116202979A (en) * 2023-03-24 2023-06-02 郑州航空工业管理学院 Water quality on-line analysis device based on ultraviolet spectroscopy

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103868782A (en) * 2014-03-07 2014-06-18 中国水产科学研究院淡水渔业研究中心 Dilution system and dilution method of automatic online monitoring system for fishery water quality
CN103868782B (en) * 2014-03-07 2016-08-17 中国水产科学研究院淡水渔业研究中心 The dilution system of fishery water quality automatic on-line monitoring system and dilution process
CN105158051A (en) * 2015-10-14 2015-12-16 郑州富铭环保科技有限公司 Dilution device for determination of high-concentration water sample through water-quality on-line analyzer
CN107356771A (en) * 2017-06-26 2017-11-17 中国水产科学研究院淡水渔业研究中心 Freshwater ponds water quality on-line detection method
CN116202979A (en) * 2023-03-24 2023-06-02 郑州航空工业管理学院 Water quality on-line analysis device based on ultraviolet spectroscopy

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Granted publication date: 20140903

Termination date: 20170307