CN201330168Y - High-capacity automatic distribution and processing system for seawater - Google Patents
High-capacity automatic distribution and processing system for seawater Download PDFInfo
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- CN201330168Y CN201330168Y CNU2008201444194U CN200820144419U CN201330168Y CN 201330168 Y CN201330168 Y CN 201330168Y CN U2008201444194 U CNU2008201444194 U CN U2008201444194U CN 200820144419 U CN200820144419 U CN 200820144419U CN 201330168 Y CN201330168 Y CN 201330168Y
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- seawater
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Abstract
The utility model discloses a high-capacity automatic distribution and processing system for seawater, which comprises a sample introduction unit, a water sample processing unit and a water sample collection unit. The sample introduction unit utilizes a magnetic pump to collect seawater samples; the water sample processing unit comprises filters, electromagnetic valves, a control device, and a flow rate sensor and a connecting pipeline thereof; a liquid level sensor is mounted in the liquid storage tank of the water sample collection unit; three to eight filters and electromagnetic valves are arranged in the casing of the water sample processing unit, and the electromagnetic valves and the filters are arranged in one-one correspondence; the control device comprises a PLC (programmable logic controller), and controls the close and the start of the electromagnetic valves in a circulation manner, ensures that the supply of seawater sample is not affected when the filtration films of the filters are replaced, and realizes full automation of water sample filtration. The water sample processing capacity of the system is large and can reach 500L, and the system is especially suitable for the on-site detection, analysis and study of toxic organic pollutants with low concentration in the seawater.
Description
Technical field
The utility model relates to fluidic allocation process and delivery system, particularly relates to the automatic allocation process and the delivery system of large vol seawater.
Background technology
Organic pollutant confrontation in seawater influence human and biology is very big, and the toxic organic pollutant of extremely low concentration bring very big harm just can for ecotope and human health, even jeopardizes the mankind's life.Detecting distribution, the behavior of organic pollutant in the ocean water body, is the important content of marine pollution monitoring, to protecting the marine environment and Living marine resources have vital role.
Usually, when carrying out the detection of seawater organic pollutant, provide the check and analysis instrument to measure by water pump continuous drawing seawater sample.During field measurement, the seawater sample of water pump continuous drawing need carry out pre-treatment, is filtered by strainer, to ensure check and analysis result's accuracy.
The seawater pretreating device of prior art is made up of water pump, magnetic valve, strainer and control device etc., enters the check and analysis instrument after the switch of control device control magnetic valve, the water sample that water pump extracts filter through filter and measures.Have enough water samples to enter the check and analysis instrument for ensureing after strainer filters, the filtering membrane of strainer needs in time to change.
For the check and analysis of the higher organic pollution materials of concentration in the seawater, required water sample amount is less, can change the strainer filtering membrane in the check and analysis gap, and can not influence the check and analysis research of organic pollution materials.
For the extremely low persistence toxic organic pollutant matter of concentration in the seawater, the required water sample amount of check and analysis is bigger, and the frequency of changing the strainer filtering membrane can increase.The situation that the strainer filtering membrane can appear needing to change in the check and analysis process in the seawater pretreating device of prior art can not realize the full-automation of sea water filter system, influences the on-the-spot check and analysis research of extremely low concentration toxic organic pollutant matter in the seawater.
Summary of the invention
There is the problem of changing filtering membrane in the check and analysis process and influencing on-the-spot check and analysis research in seawater pretreating device at prior art, the utility model is released the automatic allocation process of large vol seawater system, its purpose is a plurality of magnetic valves and strainer and control device are combined, utilize PLC (programmable logic controller) technology to control the open-minded of different magnetic valves and strainer, not interrupting changing the strainer filter membrane under the situation that seawater sample provides, realize the filtering full-automation of seawater sample.
The related automatic allocation process of the large vol seawater system of the utility model comprises sample injection unit, water sample processing unit and water sample collector unit.Sample injection unit, water sample processing unit and water sample collector unit are communicated with by connecting pipeline.
Sample injection unit selects for use magnetic drive pump to realize the seawater sample collection, and magnetic drive pump adopts does not have the design of axle envelope, and the pump housing seals fully, and pump housing material selection polypropylene mixes glass fibre (GFRPP), prevents sea-water corrosion.
The water sample collector unit comprises container for storing liquid, collects from the seawater sample of water sample processing unit and offers the check and analysis instrument.The material selection tetrafluoroethylene of container for storing liquid prevents sea-water corrosion.Liquid level sensor is set in the container for storing liquid, measures the liquid level in the container for storing liquid.
The water sample processing unit comprises strainer, magnetic valve, control device, flow rate sensor and connecting pipeline thereof, is arranged in the corrosion resistant stainless steel cabinet.3～8 cover strainer and magnetic valve, i.e. 3～8 strainers and 3～8 magnetic valves are set in the water sample processing unit cabinet.Two rows before and after strainer and magnetic valve are fixedly installed on respectively, magnetic valve is corresponding one by one with strainer, and the water-in of each strainer water outlet of the magnetic valve corresponding with it respectively connects.The filter membrane that the filtering sea water sample is arranged in the strainer.
Control device is arranged on the top in the water sample processing unit cabinet, comprises PLC (programmable logic controller), display screen and power supply.Display screen is fixed on the front panel of cabinet, the working order of indicating system.
The cabinet both sides have water sample import and water sample outlet respectively, and the water sample import of cabinet is connected with the magnetic drive pump of sample injection unit, and the water sample outlet of cabinet is connected with the container for storing liquid of water sample collector unit.The water sample import of cabinet is communicated with the water-in of magnetic valve respectively again, and the water sample that magnetic drive pump provides can enter its corresponding strainer by each magnetic valve respectively again after the import of cabinet water sample.The water sample outlet and the strainer water outlet pipe connection of cabinet are provided with flow rate sensor on the strainer water outlet pipeline.Water sample flow velocity in the flow sensor measures strainer water outlet pipeline.Water sample after the filtration enters the container for storing liquid of water sample collector unit through filter water outlet pipeline and the outlet of cabinet water sample.The water flowing connecting tube adopts polyfluortetraethylene pipe, prevents sea-water corrosion.
The PLC of control device is connected with magnetic valve, flow rate sensor, liquid level sensor.Flow rate sensor, liquid level sensor are connected with the input terminal of PLC, and magnetic valve is connected with the output terminal of PLC.Front panel fixed display screen is connected with the communication port of PLC, and carries out communication with PLC.The power supply of control device is connected with PLC, magnetic valve, flow rate sensor, liquid level sensor and display screen lead respectively.
The related automatic allocation process of the large vol seawater system of the utility model realizes the filtering full-automation of seawater sample by the opening and closing of control device control magnetic valve.When starting working, the PLC of control device (programmable logic controller) opens No. 1 magnetic valve, after entering water sample processing unit cabinet from the seawater sample of magnetic drive pump collection, filter, enter the container for storing liquid of water sample collector unit then through filter water outlet pipeline by the strainer of No. 1 magnetic valve correspondence.The working condition of strainer reflects by the water sample flow velocity in the strainer water outlet pipeline.When flow velocity during less than a certain value, PLC closes No. 1 magnetic valve and opens magnetic valve No. 2 according to the signal that flow rate sensor provides, and the seawater sample of gathering from magnetic drive pump is filtered by the strainer of No. 2 magnetic valve correspondences, enters the container for storing liquid of water sample collector unit then.After closing No. 1 magnetic valve, change the filter membrane of the strainer of No. 1 magnetic valve correspondence.The working condition of the strainer filter membrane of No. 2 magnetic valve correspondences reflects by the water sample flow velocity in the strainer water outlet pipeline again.When flow velocity during less than a certain value, when promptly the strainer filter membrane of No. 2 magnetic valve correspondences need be changed, the signal that PLC provides according to flow rate sensor, close No. 2 magnetic valves and open magnetic valve No. 3, the seawater sample of gathering from magnetic drive pump is filtered by No. 3 magnetic valves, enters the container for storing liquid of water sample collector unit then.After closing No. 2 magnetic valves, with regard to the strainer filter membrane of replaceable No. 2 magnetic valve correspondences.Like this, the signal that PLC provides according to flow rate sensor is closed corresponding solenoid valve successively and is opened the magnetic valve of next numbering.No. 1 magnetic valve of magnetic valve and unlatching of cutting out last numbering carries out simultaneously.Closing and opening of PLC cycle control magnetic valve do not influence the supply of seawater sample when ensureing the strainer filter membrane replacing, realize the filtering full-automation of seawater sample.
Water sample after the filtration enters the container for storing liquid of collector unit, and container for storing liquid is connected with the water sample inlet of check and analysis instrument.Liquid level sensor in time offers PLC with the water level information in the container for storing liquid that detects, and is used to control the switch of magnetic valve.When the water level in the container for storing liquid was lower than set(ting)value, the prompting and filtering device was started working, and when the water level in the container for storing liquid was higher than set(ting)value, the prompting and filtering device quit work.Being provided with of liquid level sensor helps full-automatic filtering seawater sample and provides to the check and analysis instrument in the container for storing liquid.The related automatic allocation process of the large vol seawater system water sample treatment capacity of the utility model is big, can reach 500L, the on-the-spot check and analysis research of the toxic organic pollutant matter that concentration is extremely low in the more suitable seawater.
Description of drawings
Fig. 1 is the automatic allocation process system architecture of a large vol seawater synoptic diagram.
Description of symbols among the figure:
1, cabinet 2, display screen
3, magnetic drive pump 4, the import of cabinet water sample
5, magnetic valve 6, control device
7, strainer 8, strainer water outlet pipeline
9, flow rate sensor 10, the outlet of cabinet water sample
11, container for storing liquid 12, liquid level sensor
Embodiment
Now the utility model is described in further detail in conjunction with the accompanying drawings.
As shown in Figure 1, the related automatic allocation process of the large vol seawater system of the utility model comprises sample injection unit, water sample processing unit and water sample collector unit three parts, and sample injection unit, water sample processing unit and water sample collector unit are communicated with by connecting pipeline.The magnetic drive pump 3 of sample injection unit is communicated with cabinet inside by the water sample import 4 of water sample processing unit cabinet 1, and the water sample that the container for storing liquid 11 of water sample collector unit passes through water sample processing unit cabinet 1 exports 10 and is communicated with cabinet inside.
Claims (9)
1, the automatic allocation process of a kind of large vol seawater system is characterized in that: comprise sample injection unit, water sample processing unit and water sample collector unit, sample injection unit, water sample processing unit and water sample collector unit are communicated with by connecting pipeline; Sample injection unit is selected magnetic drive pump for use, and the water sample collector unit comprises container for storing liquid, and the water sample processing unit comprises strainer, magnetic valve, control device, flow rate sensor and connecting pipeline thereof; The cabinet internal fixing is provided with 3～8 cover strainer and magnetic valves, two rows before and after strainer and magnetic valve are fixedly installed on respectively, and magnetic valve is corresponding one by one with strainer, and the water-in of each strainer water outlet of the magnetic valve corresponding with it respectively connects; The cabinet both sides have water sample import and water sample outlet respectively, the water sample import is connected with the magnetic drive pump of sample injection unit, the water sample outlet is connected with the container for storing liquid of water sample collector unit, the water sample import is communicated with the water-in of magnetic valve respectively again, the water sample that magnetic drive pump provides can enter its corresponding strainer by each magnetic valve respectively again after the water sample import, the water sample outlet and the strainer water outlet pipe connection of cabinet.
2, the automatic allocation process of large vol seawater according to claim 1 system is characterized in that, control device is arranged on the top in the water sample processing unit cabinet, comprises PLC (programmable logic controller), display screen and power supply; The output terminal of PLC is connected with each magnetic valve respectively.
3, the automatic allocation process of large vol seawater according to claim 2 system is characterized in that display screen is fixed on the front panel of cabinet.
4, the automatic allocation process of large vol seawater according to claim 1 system, it is characterized in that, described strainer and magnetic valve are 5 covers, 5 strainers are fixedly installed on the front row in the water sample processing unit cabinet, 5 magnetic valves are fixedly installed on the back row in the water sample processing unit cabinet, and magnetic valve is corresponding one by one with strainer.
5, the automatic allocation process of large vol seawater according to claim 1 system is characterized in that, in the strainer water outlet pipeline flow rate sensor is set, and flow rate sensor is connected with the input terminal of PLC.
6, the automatic allocation process of large vol seawater according to claim 1 system is characterized in that, liquid level sensor is installed in the container for storing liquid, and liquid level sensor is connected with the input terminal of PLC.
7, the automatic allocation process of large vol seawater according to claim 1 system is characterized in that the cabinet of water sample processing unit is made by corrosion resistant stainless steel.
8, the automatic allocation process of large vol seawater according to claim 1 system is characterized in that, magnetic drive pump adopts does not have the design of axle envelope, and the pump housing seals fully, and pump housing material selection polypropylene mixes glass fibre, prevents sea-water corrosion.
9, the automatic allocation process of large vol seawater according to claim 1 system is characterized in that, the material selection tetrafluoroethylene of described connecting tube and container for storing liquid prevents sea-water corrosion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201444194U CN201330168Y (en) | 2008-12-12 | 2008-12-12 | High-capacity automatic distribution and processing system for seawater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201444194U CN201330168Y (en) | 2008-12-12 | 2008-12-12 | High-capacity automatic distribution and processing system for seawater |
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| Publication Number | Publication Date |
|---|---|
| CN201330168Y true CN201330168Y (en) | 2009-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008201444194U Expired - Fee Related CN201330168Y (en) | 2008-12-12 | 2008-12-12 | High-capacity automatic distribution and processing system for seawater |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499469A (en) * | 2013-10-22 | 2014-01-08 | 中国海洋大学 | Automatic water sample receiving and filtering device |
| CN105352766A (en) * | 2015-10-20 | 2016-02-24 | 杭州市疾病预防控制中心 | Automatic quantitative tap water sampling device and method for detecting cryptosporidia and Giardia lamblia |
| CN105606432A (en) * | 2016-03-17 | 2016-05-25 | 中国石油大学(北京) | Pretreatment device for organic carbon content analysis |
| CN105842012A (en) * | 2016-05-01 | 2016-08-10 | 上海大学 | Automatic water filtering and distributing system |
| CN106932260A (en) * | 2017-02-10 | 2017-07-07 | 上海大学 | Seawater sample automatic fitration and back purge system |
| CN107807005A (en) * | 2017-12-07 | 2018-03-16 | 山东省科学院海洋仪器仪表研究所 | A kind of micro- plastics of Portable seawater sample and the device and method of pre-treatment |
| CN112114002A (en) * | 2020-08-07 | 2020-12-22 | 北京建筑大学 | Precipitation and surface runoff water quality full-parameter online measurement system and application |
| CN113720667A (en) * | 2021-09-02 | 2021-11-30 | 艾萍 | Water sample treatment system and method for environmental monitoring |
-
2008
- 2008-12-12 CN CNU2008201444194U patent/CN201330168Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499469A (en) * | 2013-10-22 | 2014-01-08 | 中国海洋大学 | Automatic water sample receiving and filtering device |
| CN103499469B (en) * | 2013-10-22 | 2015-09-16 | 中国海洋大学 | Water sample automatic reception filtration unit |
| CN105352766A (en) * | 2015-10-20 | 2016-02-24 | 杭州市疾病预防控制中心 | Automatic quantitative tap water sampling device and method for detecting cryptosporidia and Giardia lamblia |
| CN105606432A (en) * | 2016-03-17 | 2016-05-25 | 中国石油大学(北京) | Pretreatment device for organic carbon content analysis |
| CN105842012A (en) * | 2016-05-01 | 2016-08-10 | 上海大学 | Automatic water filtering and distributing system |
| CN105842012B (en) * | 2016-05-01 | 2019-02-01 | 上海大学 | A kind of water quality automatic fitration distribution system |
| CN106932260A (en) * | 2017-02-10 | 2017-07-07 | 上海大学 | Seawater sample automatic fitration and back purge system |
| CN106932260B (en) * | 2017-02-10 | 2020-03-13 | 上海大学 | Automatic filtering and back-flushing device for seawater sample |
| CN107807005A (en) * | 2017-12-07 | 2018-03-16 | 山东省科学院海洋仪器仪表研究所 | A kind of micro- plastics of Portable seawater sample and the device and method of pre-treatment |
| CN112114002A (en) * | 2020-08-07 | 2020-12-22 | 北京建筑大学 | Precipitation and surface runoff water quality full-parameter online measurement system and application |
| CN112114002B (en) * | 2020-08-07 | 2024-06-07 | 北京建筑大学 | Precipitation and surface runoff water quality full-parameter online measurement system and application |
| CN113720667A (en) * | 2021-09-02 | 2021-11-30 | 艾萍 | Water sample treatment system and method for environmental monitoring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091021 Termination date: 20101212 |