CN106932260A - Seawater sample automatic fitration and back purge system - Google Patents
Seawater sample automatic fitration and back purge system Download PDFInfo
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- CN106932260A CN106932260A CN201710072837.0A CN201710072837A CN106932260A CN 106932260 A CN106932260 A CN 106932260A CN 201710072837 A CN201710072837 A CN 201710072837A CN 106932260 A CN106932260 A CN 106932260A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
Abstract
The invention discloses a kind of seawater sample automatic fitration and back purge system, mainly include that seawater automatic filtering system and pipeline back-flushing wash system two large divisions, it is controlled by master control system respectively, mainly including water sampling device, membrane pump, classified filtering device, nutritive salt detector, waste liquid pool, ozone generator and a series of magnetic valves.Apparatus of the present invention can carry out water sample on-line analysis to the water sample for being delivered to nutritive salt detector, and ground control cabinet back is passed analyze data by master controller, automatic fitration and the automatic detection analysis of seawater sample can be realized, and backwashed to completing water distribution pipeline and detecting instrument after filtering, apparatus structure is simple, it is simple to operate, Measurement results are accurate and reliable, the operating risk of marine water quality sampling staff can be reduced, its working strength is reduced, and the automatization level monitored to stepping up island surrounding sea areas has significant application value.
Description
Technical field
The present invention relates to a kind of surface water quality detection means, more particularly to a kind of ocean water sample automatic detection device should
For marine environmental monitoring equipment technical field.
Background technology
Marine environmental monitoring is the important component of Development of Marine strategy, and the current marine monitoring task of country is under the jurisdiction of
Marine management mechanism of China performs, it is intended to monitor and safeguard the safety of China's marine environment.Due to sea faring inclement condition,
Professional monitoring equipment is carried with big ship at present to go to sea execution job task.Single is turned out for work high cost, required corresponding supporting money
Source is up to hundreds thousand of with facility, and nonetheless Detection task stills need a large amount of professionals is carried out at classification to gathered water sample
Reason.Because the operating risk of marine water quality sampling staff is larger, working strength is too high, have impact on the mankind to marine environment
Monitoring capability gives full play to.
The content of the invention
In order to solve prior art problem, it is an object of the invention to overcome the shortcomings of that prior art is present, there is provided a kind of
Seawater sample automatic fitration and back purge system, apparatus structure are simple and reliable, easy to operate, can realize the automatic of seawater sample
Filtering, and the water distribution pipeline and filter after the completion of filtering are backwashed, water sample conveying, detection, analysis are realized substantially
The automation backwashed with water distribution pipeline, the operating risk of marine water quality sampling staff, drop are reduced using apparatus of the present invention
Low its working strength, has been obviously improved the automatization level to the monitoring of island surrounding sea areas.
Purpose is created to reach foregoing invention, the present invention uses following technical proposals：
A kind of seawater sample automatic fitration and back purge system, mainly include that seawater automatic filtering system and pipeline back-flushing are washed
System two large divisions, is controlled by master control system respectively, specific as follows：
Seawater automatic filtering system mainly includes water sampling device, membrane pump, classified filtering device, nutritive salt detector, useless
Liquid pool and a series of magnetic valves, the delivery port of water sampling device are connected with the suction inlet of membrane pump, can be by water acquisition using membrane pump
Seawater sample is drawn and is conveyed by device, filters and examines at least provided with water sample between the delivery port and waste liquid pool of membrane pump
Test tube road, water sample filtering and signal piping are detected by the first magnetic valve, classified filtering device, the second magnetic valve, nutritive salt successively
Instrument and the 3rd magnetic valve are composed in series, and the first magnetic valve is arranged between membrane pump and classified filtering device, nutritive salt detector
Data output end be connected with the information receiving end signal of master control system, the signal of water sampling device, membrane pump and each magnetic valve
Receiving terminal is connected with the instruction information output signal of master control system respectively, the filter water after the filtering of classified filtering device
The requirement of nutritive salt detector detection sample is reached, entering back into nutritive salt detector carries out the detection of water sample nutritive salt and divide
Analysis, so as to complete water sample automatic fitration and automatic detection；
Pipeline back-flushing washes system mainly to be included ozone generator, classified filtering device and is connected with master control system signal
Front end solenoid valve block and rear end solenoid valve block, ozone generator are used to produce ozone gas, the water washed in system to pipeline back-flushing
Sterilizing is carried out, the water inlet of ozone generator is directly connected with tap, by cleaning after ozone generator treatment
Water water-supply-pipe is respectively communicated with the water inlet pipe of the filter elements at different levels of classified filtering device, front end solenoid valve block and rear end magnetic valve
Group is separately positioned on the Inlet and outlet water two ends of classified filtering device, by controlling front end electronics valve group and rear end solenoid valve block to classification
The filter elements at different levels of filter convey washing water respectively, and the pipeline back-flushing system of washing is the profit after water sample automatic detection is completed
The attachment of each water distribution pipeline inwall is washed away to waste liquid pool with High-Pressure Water, and to classified filtering device cross water chamber carry out
Rinse.
As preferred technical scheme of the invention, in seawater automatic filtering system, the mistakes at different levels of classified filtering device
The filter core porosity ranges that filter unit is used are the different filter cores of 0.45~100 μ.
Used as the further preferred technical scheme of such scheme, the filter elements at different levels of classified filtering device are respectively adopted
100 μ filter cores, 1 μ filter cores and 0.45 μ filter cores, filter elements at different levels make water sample according to mistake by being composed in series three-level filter device
The order flowing from high to low of filter opening porosity, passes sequentially through 100 μ filter cores, 1 μ filter cores and 0.45 μ filter cores, finally from 0.45 μ filter cores
The filter water of outflow reaches the requirement of nutritive salt detector detection sample, enters back into rear road detection operation.
As the further preferred technical scheme of such scheme, in pipeline back-flushing washes system, front end solenoid valve block bag
Include the 4th magnetic valve, the 5th magnetic valve and the 6th magnetic valve, rear end solenoid valve block includes the 7th magnetic valve, the 8th magnetic valve and the
Nine magnetic valves, the 4th magnetic valve and the 7th magnetic valve are respectively arranged at the intake-outlet two ends of 100 μ filter cores, in ozone generator
Outlet pipe and waste liquid pool between formed 100 μ filter cores rinse unit pipeline, into the washing water pair of 100 μ filter core flushing lines
100 μ filter cores are rinsed, and the 5th magnetic valve and the 8th magnetic valve are respectively arranged at the intake-outlet two ends of 1 μ filter cores, in ozone
1 μ filter cores are formed between the outlet pipe and waste liquid pool of generator and rinses unit pipeline, into the washing water pair of 1 μ filter core flushing lines
1 μ filter cores are rinsed, and the 6th magnetic valve and the 9th magnetic valve are respectively arranged at the intake-outlet two ends of 0.45 μ filter cores, in ozone
0.45 μ filter cores are formed between the outlet pipe and waste liquid pool of generator and rinses unit pipeline, into washing for 0.45 μ filter core flushing lines
Water purification is rinsed to 0.45 μ filter cores；By controlling front end electronics valve group and rear end solenoid valve block respectively to classified filtering device
Filter elements at different levels conveying washing water, classified filtering device filter elements at different levels are rinsed respectively, by controlling front end
Solenoid valve block and rear end solenoid valve block, the washing water for providing ozone generator are controlled.
As the further preferred technical scheme of such scheme, in seawater automatic filtering system, overvoltage protection is set
Pipeline, pressure protection pipeline is filtered with water sample and signal piping is in parallel, and safety valve is set on overvoltage protection pipeline, makes safety valve
It is arranged between the outlet pipe of the delivery port of membrane pump and waste liquid pool, into the auxiliary security control pipe of seawater automatic filtering system
Road.
As the further preferred technical scheme of such scheme, in seawater automatic filtering system, it is additionally provided with and master control
The auxiliary membrane pump of system signal processed connection, auxiliary membrane pump as the second water pump, the pipe of its pipeline connecting mode and membrane pump
Road connected mode is identical, the delivery port of water sampling device is connected with the suction inlet of auxiliary membrane pump, using aiding in membrane pump
Also seawater sample can be drawn and is conveyed by water sampling device.
As the further preferred technical scheme of such scheme, in pipeline back-flushing washes system, moreover it is possible to by the second electricity
The nutritive salt signal piping that magnet valve, nutritive salt detector and the 3rd magnetic valve are composed in series is cleaned, i.e., by controlling correspondence
Magnetic valve, the washing water for providing the outlet pipe of ozone generator is rinsed to nutrient salt analyzer, and examines nutritive salt
The attachment for crossing water cavity chamber interior walls for surveying pipeline inner wall and nutritive salt detector is washed away to waste liquid pool.
As the further preferred technical scheme of such scheme, in seawater automatic filtering system, in ozone generator
Outfall sewer on be additionally provided with the clean supply mains's magnetic valve being connected with master control system signal, by control clean supply mains electricity
Magnet valve and front end solenoid valve block, make ozone generator provide washing water and are controlled.
Used as the further preferred technical scheme of such scheme, master control system uses PLC, master control system
System can also pass analyze data back ground control cabinet.
Used as the further preferred technical scheme of such scheme, in seawater automatic filtering system, water sampling device is used
Hoist engine, membrane pump is combined with by combining, and seawater sample is drawn and is lifted from the water surface, then by membrane pump journey backward
Operation is conveyed.
The present invention compared with prior art, substantive distinguishing features and remarkable advantage is obviously protruded with following：
1. apparatus of the present invention can carry out automatic fitration, automatic detection and automatically analyze to seawater sample, and to sparge pipe
Road is backwashed, and efficient detection is carried out to seawater quality, and apparatus of the present invention intelligence degree is high, simple to operate, reliable results；
2. apparatus of the present invention compact conformation, light in weight is small, and be easy to carry field work or ocean operation, automaticity
Height, is substantially reduced the operating risk of marine water quality sampling staff, and effectively reduces its working strength, to stepping up island
The automatization level of surrounding sea areas monitoring is significant.
Brief description of the drawings
Fig. 1 is the seawater sample automatic fitration of the embodiment of the present invention one and the pipe-line system attachment structure signal of back purge system
Figure.
Fig. 2 is the pipe-line system attachment structure schematic diagram of the seawater automatic filtering system of the embodiment of the present invention one.
Fig. 3 washes the pipe-line system attachment structure schematic diagram of system for the pipeline back-flushing of the embodiment of the present invention one.
Fig. 4 washes the pipe-line system attachment structure schematic diagram of system for the pipeline back-flushing of the embodiment of the present invention two.
Specific embodiment
Details are as follows for the preferred embodiments of the present invention：
Embodiment one：
In the present embodiment, referring to Fig. 1~3, a kind of seawater sample automatic fitration and back purge system, mainly including seawater
Automatic filtering system and pipeline back-flushing wash system two large divisions, are controlled by master control system respectively, specific as follows：
Seawater automatic filtering system mainly includes water sampling device 2, membrane pump 4, is 0.45~100 by filter core porosity ranges
Classified filtering device, nutritive salt detector 15, waste liquid pool 19 and a series of magnetic valves that the different filter cores of μ are composed in series, water acquisition
The delivery port of device 2 is connected with the suction inlet of membrane pump 4, can be drawn simultaneously seawater sample by water sampling device 2 using membrane pump 4
Conveyed, between the delivery port and waste liquid pool 19 of membrane pump 4 at least provided with water sample filtering and signal piping, water sample filtering and
Signal piping is successively by the first magnetic valve 5, classified filtering device, the second magnetic valve 14, the electromagnetism of nutritive salt detector 15 and the 3rd
Valve 16 is composed in series, and the first magnetic valve 5 is arranged between membrane pump 4 and classified filtering device, the data of nutritive salt detector 15
Output end is connected with the information receiving end signal of master control system, and the signal of water sampling device 2, membrane pump 4 and each magnetic valve is received
End is connected with the instruction information output signal of master control system respectively, is reached by the filter water after the filtering of classified filtering device
The requirement of the detection sample of nutritive salt detector 15, entering back into nutritive salt detector 15 carries out the detection of water sample nutritive salt and divides
Analysis, so as to complete water sample automatic fitration and automatic detection, nutritive salt detector 15 is used to enter field headquarters to the water sample after the completion of filtering
Support salt parameter detecting, every nutritive salt parameter value of real-time analysis water-like, and then judge whether seawater is contaminated, such as Fig. 1 with
Shown in Fig. 2, master control system uses PLC, and PLC is for each circuit elements device in control piper
The opening and closing of part, and then control the working condition of water distribution pipeline.Meanwhile, the data that nutritive salt detector 15 is obtained can be compiled by PLC
Range controller transfers back to ground control cabinet；
Pipeline back-flushing washes system mainly to be included ozone generator 1, classified filtering device and is connected with master control system signal
Front end solenoid valve block and rear end solenoid valve block, ozone generator 1 be used for produce ozone gas, pipeline back-flushing is washed in system
Water carries out sterilizing, it is ensured that pipeline back-flushing is washed and is smoothed out, and the water inlet of ozone generator 1 is directly connected with tap,
Connect respectively with the water inlet pipe of the filter elements at different levels of classified filtering device by the washing water water-supply-pipe after the treatment of ozone generator 1
Logical, front end solenoid valve block and rear end solenoid valve block are separately positioned on the Inlet and outlet water two ends of classified filtering device, by controlling front end
Electronics valve group and rear end solenoid valve block convey washing water respectively to the filter elements at different levels of classified filtering device, and pipeline back-flushing is washed and is
System is after water sample automatic detection is completed, to be washed away to waste liquid pool 19 attachment of each water distribution pipeline inwall using High-Pressure Water,
And the water chamber of crossing to classified filtering device is rinsed, as shown in figures 1 and 3.In the present embodiment, referring to Fig. 1~3, give up
Liquid pool 19 is washed system and is shared by water sample filtration system and pipeline back-flushing.The present embodiment is used for 1 website, 3 different depths
Seawater carries out resampling filter analysis, and water sample directly completes analysis process in nutritive salt detector 15, and by PLC programmable controls
Device processed sends data to control and monitor console.After the completion of one water sample detection of depth, water sample emptying will be remained in pipeline, and to pipeline
Work chamber's inwall of inwall and detecting system, guarantee proceeds next depth seawater sample detection.
In the present embodiment, referring to Fig. 1~3, the filter elements at different levels of classified filtering device are respectively adopted 100 μ filter cores 8,1
The μ filter cores 13 of μ filter cores 9 and 0.45, filter elements at different levels are avoided that filter pipeline occurs by being composed in series three-level filter device, both
Block, while may insure that filtering is more fine, the present embodiment flows water sample order according to filtering porosity from high to low,
100 μ filter cores 8,1 μ filter cores 9 and 0.45 μ filter cores 13 are passed sequentially through, finally the filter water from the outflow of 0.45 μ filter cores 13 reaches nutrition
The requirement of the detection sample of salt detector 15, enters back into rear road detection operation.Referring to Fig. 1 and Fig. 3, system is washed in pipeline back-flushing
In, front end solenoid valve block includes the 4th magnetic valve 10, the 5th magnetic valve 11 and the 6th magnetic valve 12, and rear end solenoid valve block includes the
Seven magnetic valves 6, the 8th magnetic valve 7 and the 9th magnetic valve 17, the 4th magnetic valve 10 and the 7th magnetic valve 6 are respectively arranged at 100 μ filters
The intake-outlet two ends of core 8,100 μ filter cores are formed between the outlet pipe and waste liquid pool 19 of ozone generator 1 and rinse unit pipes
Road, the washing water into 100 μ filter core flushing lines is rinsed to 100 μ filter cores 8, the 5th magnetic valve 11 and the 8th magnetic valve 7
The intake-outlet two ends of 1 μ filter cores 9 are respectively arranged at, 1 μ filter cores are formed between the outlet pipe and waste liquid pool 19 of ozone generator 1
Unit pipeline is rinsed, the washing water into 1 μ filter core flushing lines is rinsed to 1 μ filter cores 9, the 6th magnetic valve 12 and the 9th is electric
Magnet valve 17 is respectively arranged at the intake-outlet two ends of 0.45 μ filter cores 13, between the outlet pipe and waste liquid pool 19 of ozone generator 1
Form 0.45 μ filter cores and rinse unit pipeline, the washing water into 0.45 μ filter core flushing lines is rinsed to 0.45 μ filter cores 13；
Washing water is conveyed to the filter elements at different levels of classified filtering device respectively by controlling front end electronics valve group and rear end solenoid valve block,
Classified filtering device filter elements at different levels are rinsed respectively, by controlling front end solenoid valve block and rear end solenoid valve block, are made
The washing water that ozone generator 1 is provided is controlled.
In the present embodiment, as shown in figures 1 and 3, in seawater automatic filtering system, overvoltage protection pipeline, pressure are set
Protection pipeline is filtered with water sample and signal piping is in parallel, and safety valve 18 is set on overvoltage protection pipeline, safety valve 18 is also set
It is placed between the outlet pipe of the delivery port of membrane pump 4 and waste liquid pool 19, into the auxiliary security control pipe of seawater automatic filtering system
Road.Safety valve 18 is arranged in water distribution pipeline, it is necessary to carry out preset pressure to it, when the hydraulic pressure in pipeline is pre- more than safety valve 18
If during pressure value, safety valve 18 is opened, pressure release is carried out, it is to avoid pipeline bursts because hydraulic pressure is too high.
In the present embodiment, as depicted in figs. 1 and 2, in seawater automatic filtering system, in the water outlet of ozone generator 1
The clean supply mains's magnetic valve 3 being connected with master control system signal is additionally provided with house steward, supply mains's magnetic valve 3 is cleaned by control
With front end solenoid valve block, ozone generator 1 is provided washing water and be controlled.
In the present embodiment, as depicted in figs. 1 and 2, in seawater automatic filtering system, water sampling device 2 uses hoist engine,
Membrane pump 4 is combined with by combining, seawater sample is drawn and is lifted from the water surface, then by the journey operation backward of membrane pump 4
Conveying.The water sampling device 2 of the present embodiment device includes that hoist engine, water pump and particle size water pipe are some.Water pump draws seawater sample
Conveyed in particle size water pipe, then after by hoist engine, water pipe is lifted, apparatus structure is compact, it is easy to assembles and uses.
In the present embodiment, water sample automatic filtering system as shown in Fig. 2 working-flow be water sample filter process such as
Under：
Console staff opens water sample filtration system, and membrane pump 2 is opened, and the first magnetic valve 5 is opened, water sampling device 2
The water sample for collecting enters water distribution pipeline by membrane pump 4, when water distribution pipeline hydraulic pressure is too high reaches 18 setting value of safety valve, peace
Full valve 18 is opened, now the water (flow) direction in pipeline be 2 → membrane pump of water sampling device 4 → the first, 5 → safety valve of magnetic valve 18 →
Waste liquid pool 19.Before carrying out water sample filtering, it is necessary first to which pipeline is infiltrated, by remaining water sample discharge in pipeline, it is to avoid preceding
One-time detection remnants water samples influence this testing result, that is, keep membrane pump 4, the first magnetic valve 5 to open, and open the second electromagnetism
The magnetic valve 16 of valve 14 and the 3rd, keeps the second magnetic valve 14 and the 3rd magnetic valve 16 to open 15 seconds, now the current side in pipeline
To being the electricity of 2 → membrane pump of water sampling device, 4 → the first magnetic valve, 5 → 100 μ filter cores, 8 → 1 μ filter cores, 9 → 0.45 μ filter cores 13 → the second
14 → nutritive salt of magnet valve detector the 15 → the 3rd, 16 → waste liquid pool of magnetic valve 19.The second magnetic valve 14 and the 3rd is controlled within 15 seconds afterwards
Magnetic valve 16 is automatically switched off, and completes pipeline impregnation process.
After the completion of pipeline infiltration, water sample filtering is carried out, that is, keep membrane pump 4, the first magnetic valve 5 to open, while opening the
Two magnetic valves 14, aqueous sample stream enters nutritive salt detector 15 carries out water sample on-line analysis, and analysis result can be compiled by PLC
Range controller is returned to ground control cabinet, and 10 seconds are afterwards, and the storage of nutritive salt detector 15 is full, closes the second magnetic valve 14, now its
His water sample passes through safety valve 18 and discharges because pipeline overvoltage protection is acted on.
, it is necessary to remaining water sample in nutritive salt detector 15 is discharged after water sample analysis terminate, so as to next depth water sample
Storage detection.Membrane pump 4, the first magnetic valve 5 are closed, the second magnetic valve 14 and the 3rd magnetic valve 16 is opened, nutritive salt is detected
Water sample in instrument 15 is expelled to waste liquid pool 19, after 20 seconds afterwards, closes the second magnetic valve 14 and the 3rd magnetic valve 16, water sample depth
Filter is spent to complete.
In the present embodiment, pipeline back-flushing washes system as shown in figure 3, the washed journey of pipeline back-flushing is as follows：
Washed, it is necessary to carry out pipeline back-flushing to filter pipe after the completion of the depth-type filtration of water sample, it is to avoid under residual water sample pollution
The detection of one depth water acquisition water sample.Ozone generator 1 is directly connected with tap, it is ensured that backwash water sample is sufficient.
Console staff opens pipeline backwashing system, that is, open ozone generator 1 and clean supply mains's magnetic valve
3.The backwash of third level filtering is carried out first, that is, cleans 0.45 μ filter cores 13, now open the 6th magnetic valve 12 and the 9th electromagnetism
Valve 17, now water (flow) direction is ozone generator 1 → clean supply mains's 3 → the 6th magnetic valve 12 → 0.45 of magnetic valve μ in pipeline
Filter core 13 → the 9th 17 → waste liquid pool of magnetic valve 19.
10 seconds afterwards, and the backwash of third level filtering is finished, and closes the 6th magnetic valve 12 and the 9th magnetic valve 17, opens the
Five magnetic valves 11 and the 8th magnetic valve 7, carry out the backwash of second level filtering, that is, clean 1 μ filter cores 9, now current side in pipeline
To being ozone generator 1 → clean the 7 → waste liquid of magnetic valve of supply mains's 3 → the 5th magnetic valve of magnetic valve 11 → 1 μ filter cores the 9 → the 8th
Pond 19.
10 seconds afterwards, and second level filter back-flush is finished, and closes the 5th magnetic valve 11 and the 8th magnetic valve 7, opens the 4th
The magnetic valve 6 of magnetic valve 10 and the 7th, carries out the backwash of first order filtering, that is, clean 100 μ filter cores 8, now the current in pipeline
Direction be the magnetic valve 6 of ozone generator 1 → clean supply mains's 3 → the 4th magnetic valve of magnetic valve 10 → 100 μ filter cores the 8 → the 7th →
Waste liquid pool 19.
After first round backwash is finished, order carries out 4 wheels again according to this.Need to carry out 5 backwashes altogether, it is ensured that pipe
Road inwall is without attachment.After the completion of 5 backwashes, ozone generator 1 is closed, and close clean supply mains's magnetic valve 3.This implementation
Example is backwashed successively to three-level candle filter, and the backwash of 0.45 μ filter cores is carried out first, and the time is 10s, is then carried out
The backwash of 1 μ filter cores, after 10s, carries out the backwash of 100 μ filter cores, and total wash number needs to reach 5 times, to ensure pipeline
Inwall is without attachment, it is to avoid block.
The automatic fitration of the present embodiment seawater sample and back purge system, mainly include that water sampling device 2, membrane pump 4, ozone are sent out
If raw device 1,100 μ filter cores 8,1 μ filter cores 9,0.45 μ filter cores 13, safety valve 18,10 magnetic valves, nutritive salt detectors 15, hard tube
Dry, pipe joint is some, PLC one.The present embodiment device can be directly to the water sample distributed to each detecting instrument
Water sample on-line analysis is carried out, and ground control cabinet back is passed analyze data by PLC, seawater water can be realized
The automatic fitration of sample, automatic detection and analysis, and backwashed to completing water distribution pipeline and detecting instrument after filtering, substantially
The automation of water sample filtering and water distribution pipeline backwash is realized, apparatus structure is simple, simple to operate, Measurement results are accurately simultaneously
It is reliable.The present embodiment device can reduce the operating risk of marine water quality sampling staff, reduce its working strength, and to progressively
The automatization level of lifting island surrounding sea areas monitoring has important application value.
Embodiment two：
The present embodiment is essentially identical with embodiment one, is particular in that：
In the present embodiment, as shown in figure 4, in seawater automatic filtering system, being additionally provided with and connecting with master control system signal
The auxiliary membrane pump for connecing, auxiliary membrane pump is used as the second water pump, and its pipeline connecting mode is complete with the pipeline connecting mode of membrane pump 4
It is exactly the same, the delivery port of water sampling device 2 is connected with the suction inlet of auxiliary membrane pump, using aiding in the membrane pump also can be by water acquisition
Seawater sample is drawn and is conveyed by device 2.Two water pumps are installed, when the insufficient water of water pump one in the water distribution pipeline of this implementation
The water pumps of Shi Kaiqi second, are that the steady operation of each detecting system of water sample provides safeguard, and form effective redundancy scheme, it is to avoid match somebody with somebody
Water lines break down because of water sample shortage.
Embodiment three：
The present embodiment is substantially the same as in the previous example, and is particular in that：
In the present embodiment, in pipeline back-flushing washes system, moreover it is possible to by the second magnetic valve 14, the and of nutritive salt detector 15
The nutritive salt signal piping that 3rd magnetic valve 16 is composed in series is cleaned, i.e., by controlling corresponding magnetic valve, send out ozone
The washing water that the outlet pipe of raw device 1 is provided is rinsed to nutrient salt analyzer 24, and makes nutritive salt signal piping inwall and battalion
The attachment for crossing water cavity chamber interior walls for supporting salt detector 15 is washed away to waste liquid pool 19.When carrying out the cleaning of nutritive salt signal piping, open
Open ozone generator 1, clean supply mains's magnetic valve 3, the 6th magnetic valve 12, the second magnetic valve 14 and the 3rd magnetic valve 16, now
Water (flow) direction in pipeline is ozone generator 1 → magnetic valve 14 of 3 → the 6th magnetic valve of clean supply mains's magnetic valve 12 → the second
→ nutritive salt detector 15 → the 3rd 16 → waste liquid pool of magnetic valve 19, is effectively cleaned to nutritive salt signal piping, to protect
The precision that card is detected next time.
The embodiment of the present invention is illustrated above in conjunction with accompanying drawing, but the invention is not restricted to above-described embodiment, can be with
The purpose of innovation and creation of the invention makes various changes, under all Spirit Essence and principle according to technical solution of the present invention
Change, modification, replacement, the combination or simplified made, should be equivalent substitute mode, as long as meeting goal of the invention of the invention,
Without departing from seawater sample automatic fitration of the present invention and know-why and the inventive concept of back purge system, the present invention is belonged to
Protection domain.
Claims (10)
1. a kind of seawater sample automatic fitration and back purge system, it is characterised in that mainly include seawater automatic filtering system and
Pipeline back-flushing washes system two large divisions, is controlled by master control system respectively, specific as follows：
The seawater automatic filtering system mainly includes water sampling device (2), membrane pump (4), classified filtering device, nutritive salt detection
Instrument (15), waste liquid pool (19) and a series of magnetic valves, the delivery port of the water sampling device (2) connect with the suction inlet of membrane pump (4)
It is logical, seawater sample can be drawn and be conveyed by the water sampling device (2) using membrane pump (4), in the membrane pump (4)
Delivery port and waste liquid pool (19) between at least provided with water sample filtering and signal piping, water sample filtering and signal piping are successively
By the first magnetic valve (5), classified filtering device, the second magnetic valve (14), nutritive salt detector (15) and the 3rd magnetic valve (16)
It is composed in series, first magnetic valve (5) is arranged between the membrane pump (4) and the classified filtering device, the nutrition
The data output end of salt detector (15) is connected with the information receiving end signal of the master control system, the water sampling device (2),
The signal receiving end of membrane pump (4) and each magnetic valve connects with the instruction information output signal of the master control system respectively
Connect, the requirement of nutritive salt detector (15) detection sample is reached by the filter water after the filtering of classified filtering device, enter back into
Nutritive salt detector (15) carries out the detection and analysis of water sample nutritive salt, so as to complete water sample automatic fitration and automatic detection；
The pipeline back-flushing washes system mainly to be included ozone generator (1), classified filtering device and believes with the master control system
Number connection front end solenoid valve block and rear end solenoid valve block, the ozone generator (1) for producing ozone gas, to the pipe
Water in the backwashing system of road carries out sterilizing, and the water inlet of the ozone generator (1) is directly connected with tap, warp
The washing water water-supply-pipe crossed after the ozone generator (1) treatment divides with the water inlet pipe of the filter elements at different levels of classified filtering device
Do not connect, front end solenoid valve block and rear end solenoid valve block are separately positioned on the Inlet and outlet water two ends of classified filtering device, by control
Front end electronics valve group and rear end solenoid valve block convey washing water, the pipeline respectively to the filter elements at different levels of classified filtering device
Backwashing system is after water sample automatic detection is completed, to be washed away to institute the attachment of each water distribution pipeline inwall using High-Pressure Water
State waste liquid pool (19), and water chamber of crossing to classified filtering device is rinsed.
2. seawater sample automatic fitration and back purge system according to claim 1, it is characterised in that：It is automatic in the seawater
In filtration system, the filter core porosity ranges that the filter elements at different levels of the classified filtering device are used for 0.45~100 μ not
Same filter core.
3. seawater sample automatic fitration and back purge system according to claim 2, it is characterised in that：Classified filtering device
Filter elements at different levels are respectively adopted 100 μ filter cores (8), 1 μ filter cores (9) and 0.45 μ filter cores (13), and filter elements at different levels are by series connection
Composition three-level filter device, flows water sample order according to filtering porosity from high to low, passes sequentially through 100 μ filter cores (8), 1
μ filter cores (9) and 0.45 μ filter cores (13), finally reach nutritive salt detector (15) inspection from the filter water of 0.45 μ filter cores (13) outflow
The requirement of survey sample, enters back into rear road detection operation.
4. seawater sample automatic fitration and back purge system according to claim 3, it is characterised in that：In the pipeline back-flushing
Wash in system, front end solenoid valve block include the 4th magnetic valve (10), the 5th magnetic valve (11) and the 6th magnetic valve (12), it is described after
End solenoid valve block includes the 7th magnetic valve (6), the 8th magnetic valve (7) and the 9th magnetic valve (17), the 4th magnetic valve (10)
With the intake-outlet two ends that the 7th magnetic valve (6) is respectively arranged at 100 μ filter cores (8), in the water outlet of the ozone generator (1)
100 μ filter cores are formed between pipe and waste liquid pool (19) and rinses unit pipeline, the washing water into 100 μ filter core flushing lines is to 100 μ
Filter core (8) is rinsed, and the 5th magnetic valve (11) and the 8th magnetic valve (7) are respectively arranged at the Inlet and outlet water of 1 μ filter cores (9)
Mouth two ends, 1 μ filter cores are formed between the outlet pipe and waste liquid pool (19) of the ozone generator (1) and rinse unit pipeline, are entered
The washing water of 1 μ filter core flushing lines is rinsed to 1 μ filter cores (9), the 6th magnetic valve (12) and the 9th magnetic valve (17)
The intake-outlet two ends of 0.45 μ filter cores (13) are respectively arranged at, in the outlet pipe and waste liquid pool (19) of the ozone generator (1)
Between form 0.45 μ filter cores and rinse unit pipeline, the washing water into 0.45 μ filter core flushing lines enters to 0.45 μ filter cores (13)
Row is rinsed；Conveyed to the filter elements at different levels of classified filtering device respectively by controlling front end electronics valve group and rear end solenoid valve block
Classified filtering device filter elements at different levels are rinsed by washing water respectively, by controlling front end solenoid valve block and rear end electromagnetism
Valve group, the washing water for providing the ozone generator (1) is controlled.
5. seawater sample automatic fitration and back purge system according to any one in Claims 1 to 4, it is characterised in that：
In the seawater automatic filtering system, overvoltage protection pipeline is set, the pressure protection pipeline is filtered and detected with the water sample
Pipeline is in parallel, and safety valve (18) is set on overvoltage protection pipeline, safety valve (18) is also disposed on going out for the membrane pump (4)
Between the outlet pipe and waste liquid pool (19) at the mouth of a river, into the auxiliary security control piper of seawater automatic filtering system.
6. seawater sample automatic fitration and back purge system according to any one in Claims 1 to 4, it is characterised in that：
In the seawater automatic filtering system, the auxiliary membrane pump being connected with master control system signal is additionally provided with, auxiliary membrane pump is made
It is the second water pump, its pipeline connecting mode is identical with the pipeline connecting mode of the membrane pump (4), makes water sampling device (2)
Delivery port connected with the suction inlet of auxiliary membrane pump, using aiding in the membrane pump also can be by water sampling device (2) by seawater sample
Draw and conveyed.
7. seawater sample automatic fitration and back purge system according to any one in Claims 1 to 4, it is characterised in that：
In the pipeline back-flushing washes system, moreover it is possible to by second magnetic valve (14), nutritive salt detector (15) and the 3rd electromagnetism
The nutritive salt signal piping that valve (16) is composed in series is cleaned, i.e., by controlling corresponding magnetic valve, the ozone occurs
The washing water that the outlet pipe of device (1) is provided is rinsed to the nutrient salt analyzer (24), and makes in nutritive salt signal piping
The attachment for crossing water cavity chamber interior walls of wall and nutritive salt detector (15) is washed away to the waste liquid pool (19).
8. seawater sample automatic fitration and back purge system according to any one in Claims 1 to 4, it is characterised in that：
In the seawater automatic filtering system, it is additionally provided with the outfall sewer of the ozone generator (1) and the main control system
Clean supply mains's magnetic valve (3) of system signal connection, supply mains's magnetic valve (3) and the front end magnetic valve are cleaned by control
Group, makes the ozone generator (1) provide washing water and is controlled.
9. seawater sample automatic fitration and back purge system according to any one in Claims 1 to 4, it is characterised in that：
The master control system uses the PLC, the master control system can also to pass analyze data back ground control cabinet.
10. seawater sample automatic fitration and back purge system according to any one in Claims 1 to 4, it is characterised in that：
In the seawater automatic filtering system, the water sampling device (2) uses hoist engine, and the membrane pump is combined with by combining
(4), seawater sample is drawn and is lifted from the water surface, then journey operation is conveyed backward by membrane pump (4).
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| CN201710072837.0A CN106932260B (en) | 2017-02-10 | 2017-02-10 | Automatic filtering and back-flushing device for seawater sample |
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| CN201710072837.0A CN106932260B (en) | 2017-02-10 | 2017-02-10 | Automatic filtering and back-flushing device for seawater sample |
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| CN108254367A (en) * | 2017-12-21 | 2018-07-06 | 国家海洋局第二海洋研究所 | Boat-carrying or bank base water nutrition detect and prior-warning device and its method automatically |
| CN108414477A (en) * | 2018-01-12 | 2018-08-17 | 山东省科学院海洋仪器仪表研究所 | Seawater chlorophyll a, phycocyanin and phycoerythrin parameter measuring apparatus and method |
| CN109445316A (en) * | 2018-09-07 | 2019-03-08 | 上海大学 | Automatic seawater water quality monitoring and water sample distribution system |
| CN113075377A (en) * | 2021-04-01 | 2021-07-06 | 山东博厚数据科技有限公司 | Intelligent water sample collection system and method for sewage orthophosphate meter |
| CN115290771A (en) * | 2022-07-06 | 2022-11-04 | 上海瑞暨新材料科技有限公司 | Filter device |
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| CN201330168Y (en) * | 2008-12-12 | 2009-10-21 | 国家海洋技术中心 | High-capacity automatic distribution and processing system for seawater |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108254367A (en) * | 2017-12-21 | 2018-07-06 | 国家海洋局第二海洋研究所 | Boat-carrying or bank base water nutrition detect and prior-warning device and its method automatically |
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| CN115290771A (en) * | 2022-07-06 | 2022-11-04 | 上海瑞暨新材料科技有限公司 | Filter device |
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