CN106769220A - A kind of water quality monitoring sampling and quality control system - Google Patents

A kind of water quality monitoring sampling and quality control system Download PDF

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Publication number
CN106769220A
CN106769220A CN201710149832.3A CN201710149832A CN106769220A CN 106769220 A CN106769220 A CN 106769220A CN 201710149832 A CN201710149832 A CN 201710149832A CN 106769220 A CN106769220 A CN 106769220A
Authority
CN
China
Prior art keywords
standard specimen
water sample
water
sample pond
instrument
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
CN201710149832.3A
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Chinese (zh)
Inventor
张国峰
陈斌
郑立祥
杨声晖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foochow Fu Guang Water Utilities Science And Technology Ltd
Original Assignee
Foochow Fu Guang Water Utilities Science And Technology 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.)
Filing date
Publication date
Application filed by Foochow Fu Guang Water Utilities Science And Technology Ltd filed Critical Foochow Fu Guang Water Utilities Science And Technology Ltd
Priority to CN201710149832.3A priority Critical patent/CN106769220A/en
Publication of CN106769220A publication Critical patent/CN106769220A/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
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/14Suction devices, e.g. pumps; Ejector devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18Water

Abstract

A kind of water quality sampling and instrument quality control system device, including water quality sampling pump, water sample pond, water sample pond cleaning unit, standard specimen extraction unit, stream switching valve, standard specimen container, standard specimen level monitoring instrument, refrigerator;The water sample pond connects the sampling pump, the standard specimen level monitoring instrument, water sample pond cleaning unit, the standard specimen extraction unit respectively;The standard specimen extraction unit connects the stream switching valve;The standard specimen container is connected to the stream switching valve;The refrigerator, for storing the standard specimen container.The present invention provides a kind of water quality sampling and instrument quality control system, for judging the reliability of instrument monitoring data under various occasions, and can be applied to the remote calibration of instrument.

Description

A kind of water quality monitoring sampling and quality control system
【Technical field】
The invention belongs to environmental technology field, more particularly to a kind of water quality monitoring sampling and quality control system.
【Background technology】
During water station water quality monitoring, due to the influence of external condition, instrument monitoring value may occur larger deviation, nothing Method determines whether truly to reflect the actual conditions of current water sample.
In view of the above problems, it is necessary to design a kind of water quality sampling and instrument quality control system, this system can realize instrument Long-range Quality Control, it is ensured that monitoring result can verify that, and make measuring instrument truly to reflect objective reality by Quality Control.
【The content of the invention】
The technical problems to be solved by the invention are to provide a kind of water quality sampling and instrument quality control system, each for judging The reliability of instrument monitoring data under kind occasion, and can be applied to the remote calibration of instrument.
What the present invention was realized in:
A kind of water quality sampling and instrument quality control system device, it is characterised in that:Including water quality sampling pump, water sample pond, water sample Pond cleaning unit, standard specimen extraction unit, stream switching valve, standard specimen container, standard specimen level monitoring instrument, refrigerator;
The water sample pond connect respectively the sampling pump, the standard specimen level monitoring instrument, water sample pond cleaning unit, The standard specimen extraction unit;
The standard specimen extraction unit connects the stream switching valve;
The standard specimen container is connected to the stream switching valve;
The refrigerator, for storing the standard specimen container.
Further, the water sample pond top is provided with cover plate, and water sample pond cleaning unit is provided with the cover plate; The water sample pond is provided with standard specimen and adds port, overflow pipe port high, low overflow pipe port, bottom drain valve port, water sample to enter Mouth port, taphole port.
Further, water sample pond cleaning unit includes the first motor, gear, drive link, magnetic switch, scraper plate;Institute The first motor is stated to be engaged with the tooth bar on the drive link by a gear;The scraper plate is stretched into the water sample pond;It is described Drive link is located at outside the water sample pond;The scraper plate connects the drive link;The magnetic switch is installed on the drive link, Stroke up and down for controlling scraper plate.
Further, the standard specimen extraction unit, realizes the extraction and injection of standard specimen solution, including the second motor, control Device, execution unit, syringe;The syringe bottom is installed by suction check valve, discharge check valve;The suction check valve connection The stream switching valve;The discharge check valve connects the water sample pond.
Further, the stream switching valve, including six-way valve;The pipeline tap of the six-way valve connects the standard specimen Extraction unit;The pipeline inlet hole of the six-way valve connects each respectively is used to store the standard specimen container of standard liquid.
The advantage of the invention is that:1st, simple system:Most of accessory can be obtained by market purchasing, and system control is adopted Coordinated with Programmable Logic Controller and realized, part standard;2nd, it is easily achieved:Wherein mark-on sample is using fixed water sample and fixed standard specimen Mixing, it is easy to control and easily calculate aggregate sample concentration value;3rd, high precision:High-accuracy micro-injection is used during mark-on sample, Syringe pump repeatability error is within 7 ‰;4th, modular structure, each execution unit module height independence, by technique flexible pipe It is attached;5th, maintainable high, maintenance cost is cheap.
【Brief description of the drawings】
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is system structure diagram of the invention.
【Specific embodiment】
As shown in figure 1, constituting water quality sampling and instrument quality control system (except electric unit):Including water quality sampling pump 1, water Sample pond 6, water sample pond cleaning unit 12, standard specimen extraction unit 15, stream switching valve 16, standard specimen container 17,18,19,20, standard specimen liquid Position monitoring instrument device, refrigerator 22.Water quality sampling and instrument quality control system use modular construction, and work is passed through between unit Skill pipeline and valve are attached, and form organic whole.
Water sample pond 6 and cover plate 8, and water sample pond cleaning unit 12 based on water sample pond 6, it is necessary to be installed together.Water There are six connectors in sample pond 6, wherein:Port a is that standard specimen adds mouth, is connected with mark-on valve 9, controls the entrance of standard specimen;End Mouth b is high-order overfall, is connected with valve 4, the liquid level of control water sample pond 6;Port c is low level overfall, is connected with valve 5 Connect, the liquid level of control water sample pond 6;Port d is sample water inlet, is connected with valve 2, coordinates water quality sampling pump 1, controls external environment Water sample enters;Port e is taphole, is connected with valve 3, and control water sample pond solution supply instrument monitoring is used;Port f is Floss hole, is connected with valve 7, control water sample pond solution discharge.Cover plate 8 and water sample pond 6 are closely connected by fastener, in cover plate On 8, the mounting hole with water sample pond cleaning unit 12 is provided with.Sample pond cleaning unit 12 by motor transmission part 11 (containing motor, Gear), drive link (be cleaning unit body, containing tooth bar), the composition such as magnetic switch 13, scraping blade.
The course of work of water sample pond cleaning unit 12:By the rotating of controlled motor 11, realize that drive link moves up and down, upload Lever is by magnetic switch, and control is spacing up and down.Water sample pond cleaning unit 12 is provided with scraping blade (often to change inside water sample pond 6 Accessory, does not list), by scraping blade to being cleaned inside water sample pond 6.
Standard specimen extraction unit 15 is made up of motor A, controller B, execution unit C, syringe D and check valve E, F, realizes mark The suction and discharge of sample solution.Its workflow:By the operating of controller B controlled motors A so that the portion inside execution unit C Part runs up and down, so as to drive the up and down motion for taking out bucket in syringe D.When the bucket of taking out in syringe D is moved upwards, solution by Check valve E enters, and when the bucket of taking out in syringe D is moved downward, solution is discharged by check valve F.
Stream switching valve 16, is made up of six-way valve and drive part, and standard specimen extraction unit coordinates realization from different marks In sample container, standard liquid is gathered.Stream switching valve is by 6 interfaces, and wherein H1 connection air, H2 connection blank samples, H3 connections are low dense Scale sample, H4 connection high concentration standard specimens, H5 connection mark-on samples, H6 connection standard specimens extraction unit 15, for H2~H5 respective tubes The solution on road is extracted in standard specimen extraction unit 15.Stream switching valve 16 is controlled by its drive part, is capable of achieving H1~H5 points Do not connected with H6.
Standard specimen container 17,18,19,20, for storing various different standard liquids, (standard specimen container 17 stores blank sample, and standard specimen holds Device 18 stores low concentration standard specimen, the storage high concentration standard specimen of standard specimen container 19, the storage mark-on of standard specimen container 20 sample);Standard specimen liquid level is supervised Unit is surveyed, the storage for monitoring standard liquid in standard specimen container realizes low liquid level signal output.Magnetic force is installed in standard specimen container Ball float, when magnetic force ball float drops to the position of magnetic monitoring unit 21, magnetic monitoring unit 21 can export the low signal of liquid level (electrically Automated system receives the signal, you can provide alarm).
Refrigerator 22, is cold-storage refrigerator, for storing standard specimen container, realizes the deepfreeze of standard liquid.
Constitute water quality sampling and instrument quality control system technical process is as follows:When instrument is normally carried out monitoring, water quality sampling pump 1, water sampling is carried out from sampled point (flow cell), after transfer pipeline valve 2 is opened, it is transported to by the water quality sampling pump 1 In water sample pond 6;The water in water sample pond 6, by opening high-order overfall valve 4, it is ensured that water level in water sample pond;The water in water sample pond passes through Opening leads to the valve 3 of measuring instrument survey, and the water sample in water sample pond is supplied instrument monitoring;
During instrument mark-on reclaims, the water in water sample pond 6, by opening low level overfall valve 5, it is ensured that water level exists in water sample pond Low-end trim;Control stream switching valve 16 so that the H5 of stream switching valve is connected with H6;Control standard specimen extraction unit 12 from mark Sample container sucks titer, after the completion of suction, opens the valve 9 with water sample pond connecting line, is drained into water sample pond 6, and Former low level water sample is mixed, and forms new aggregate sample (referred to as mark-on sample);Aggregate sample leads to what measuring instrument was surveyed by opening Water sample in water sample pond, is supplied instrument monitoring by valve 3;
During calibrating indicating instrument, control stream switching valve 16 so that H6 is connected with H3 controls standard specimen extraction unit 15 from standard specimen The inhalation of low concentration standard specimen solution of container 18, after the completion of suction, opens the valve 9 with water sample pond connecting line, is drained into water sample In pond 16;Low concentration standard specimen solution leads to the valve 3 that measuring instrument is surveyed by opening, the low concentration standard specimen solution in water sample pond Supply instrument monitoring, and gauged instrument is low concentration standard specimen state of value;
Control stream switching valve 16 so that H6 is connected with H4, control standard specimen extraction unit 15 is sucked from standard specimen container 19 High concentration standard specimen solution, after the completion of suction, opens the valve 9 with water sample pond connecting line, is drained into water sample pond;High concentration Standard specimen solution leads to the valve 3 that measuring instrument is surveyed by opening, and the high concentration standard specimen solution in water sample pond is supplied instrument monitoring, And gauged instrument is high concentration standard specimen state of value;
During normal workflow, water sample transfer pipeline valve 2 is opened, water sample to water sample pond 6 is gathered by water quality sampling pump 1 In, to open instrument and supply sample pipe valve, supply water sample is to instrument monitoring;When needing to carry out Quality Control, by standard specimen extraction unit 15th, stream switching valve 16 cooperates, and realizes standard specimen solution, is transported in water sample pond 6, opens instrument and supplies sample pipe valve, supplies Monitored to standard specimen level monitoring instrument to water sample;When mark-on reclaims are needed, water sample transfer pipeline valve is opened, adopted by water quality Sample pump 1 gathers water sample in water sample pond 6, and water sample pit level is controlled by opening the flow spill valve in water sample pond, then by standard specimen Extraction unit 15, stream switching valve are cooperated, and realize that standard specimen solution is transported to water sample pond 6, and raw water sample is necessarily matched Mixing, then by opening instrument for sample pipe valve, the solution of certain proportioning, supply instrument monitoring.
In a word, system of the invention can apply to water quality monitoring station, water quality monitoring station system is possessed water quality sampling, mark Sample is verified, mark-on is checked and calibrating indicating instrument function.Using the system, for realizing the steady of water quality monitoring station instrument monitoring data Determine, and Validation of Data has great importance.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent with Modification, should all belong to covering scope of the invention.
Preferable implementation use-case of the invention is the foregoing is only, is not intended to limit the scope of the present invention.It is all Within the spirit and principles in the present invention, any modification, equivalent and improvement for being made etc., should be included in of the invention Within protection domain.

Claims (5)

1. a kind of water quality sampling and instrument quality control system device, it is characterised in that:
Including water quality sampling pump, water sample pond, water sample pond cleaning unit, standard specimen extraction unit, stream switching valve, standard specimen container, mark Sample liquid position monitoring instrument, refrigerator;
The water sample pond connects the sampling pump, the standard specimen level monitoring instrument, water sample pond cleaning unit, described respectively Standard specimen extraction unit;
The standard specimen extraction unit connects the stream switching valve;
The standard specimen container is connected to the stream switching valve;
The refrigerator, for storing the standard specimen container.
2. a kind of water quality sampling as claimed in claim 1 and instrument quality control system device, it is characterised in that:On the water sample pond Side is provided with cover plate, and water sample pond cleaning unit is provided with the cover plate;The water sample pond be provided with standard specimen add port, Overflow pipe port high, low overflow pipe port, bottom drain valve port, sample water inlet port, taphole port.
3. a kind of water quality sampling as claimed in claim 1 and instrument quality control system device, it is characterised in that:The water sample pond is clear Washing unit includes the first motor, gear, drive link, magnetic switch, scraper plate;First motor passes through a gear and the transmission Tooth bar engagement on bar;The scraper plate is stretched into the water sample pond;The drive link is located at outside the water sample pond;The scraper plate Connect the drive link;The magnetic switch is installed, the stroke up and down for controlling scraper plate on the drive link.
4. a kind of water quality sampling as claimed in claim 1 and instrument quality control system device, it is characterised in that:The standard specimen is extracted Unit, realizes the extraction and injection of standard specimen solution, including the second motor, controller, execution unit, syringe;The syringe Bottom is installed by suction check valve, discharge check valve;The suction check valve connects the stream switching valve;The discharge check valve Connect the water sample pond.
5. a kind of water quality sampling as claimed in claim 1 and instrument quality control system device, it is characterised in that:The stream is turned to Valve, including six-way valve;The pipeline tap of the six-way valve connects the standard specimen extraction unit;The pipeline suction of the six-way valve Hole connects each respectively is used to store the standard specimen container of standard liquid.
CN201710149832.3A 2017-03-14 2017-03-14 A kind of water quality monitoring sampling and quality control system Pending CN106769220A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710149832.3A CN106769220A (en) 2017-03-14 2017-03-14 A kind of water quality monitoring sampling and quality control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710149832.3A CN106769220A (en) 2017-03-14 2017-03-14 A kind of water quality monitoring sampling and quality control system

Publications (1)

Publication Number Publication Date
CN106769220A true CN106769220A (en) 2017-05-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710149832.3A Pending CN106769220A (en) 2017-03-14 2017-03-14 A kind of water quality monitoring sampling and quality control system

Country Status (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108254517A (en) * 2017-12-28 2018-07-06 广州华清环境监测有限公司 A kind of multi-point water quality sampling detection device and its method of sampling
CN108956204A (en) * 2018-04-22 2018-12-07 谢远平 A kind of sample detection equipment of water supply draining
CN109702752A (en) * 2018-03-23 2019-05-03 浙江索奥环境技术有限公司 Syringe type mark-on reclaims water quality monitoring quality control machine people
CN110208200A (en) * 2019-06-04 2019-09-06 中国原子能科学研究院 A kind of four, uranic while on-line measurement system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108254517A (en) * 2017-12-28 2018-07-06 广州华清环境监测有限公司 A kind of multi-point water quality sampling detection device and its method of sampling
CN108254517B (en) * 2017-12-28 2019-06-21 广州华清环境监测有限公司 A kind of multi-point water quality sampling detection device and its method of sampling
CN109702752A (en) * 2018-03-23 2019-05-03 浙江索奥环境技术有限公司 Syringe type mark-on reclaims water quality monitoring quality control machine people
CN108956204A (en) * 2018-04-22 2018-12-07 谢远平 A kind of sample detection equipment of water supply draining
CN110208200A (en) * 2019-06-04 2019-09-06 中国原子能科学研究院 A kind of four, uranic while on-line measurement system

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