CN106370445A - Ship ballast water filter performance experiment device - Google Patents
Ship ballast water filter performance experiment device Download PDFInfo
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- CN106370445A CN106370445A CN201610785962.1A CN201610785962A CN106370445A CN 106370445 A CN106370445 A CN 106370445A CN 201610785962 A CN201610785962 A CN 201610785962A CN 106370445 A CN106370445 A CN 106370445A
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
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Abstract
The present invention relates to a ship ballast water filter performance experiment device. The device comprises a circulating water system unit, a heterogeneous product access unit, and a distributed intelligent measurement and control system. The heterogeneous product access unit is configured to improve the mode of the filter access experiment device, take fresh water, sea water or other industrial water as fluid medium, and take plankton, suspended particles and organic carbon granules to simulate the inner impurities of the engineering environment to perform performance test of an automatic reverse cleaning filter access device for engineering of the ship ballast water, the sea drilling platform, the sea water desalination, the nuclear power plant water treatment and wastewater treatment, and the aqueous medium circulation mode accords with the real industry flow mode, so that the test result can reflect the scene real application state to a certain extent. Through building of the invention, the ship ballast water filter performance experiment device can realize the performance test of the automatic reverse cleaning filter access device at home and abroad to lay the foundation for researching a filter with big flow, low loss of pressure and high reliability and pushing the automatic reverse cleaning filter localization.
Description
Technical field
The present invention relates to water medium filtering separation technology field is and in particular to a kind of ballast water for ship filter capability is tested
Device.
Background technology
Domestic at present, conventional filter and sand filtration apparatus are in municipal water supply, the industry cooling such as iron and steel, petrochemical industry, metallurgy, power plant
Recirculated water, the problem of the big flow filtration water occasion such as sewage disposal highlights, and such as easy blocking, cleaning operation inconvenience, flow is little leads
When causing to form large-scale filter station, hardware configuration cost is the features such as increase, for some salinity high, that turbidity is big, granule is big is special
The process general effect of water quality is not good.In terms of international ocean ship, for the exotic effectively preventing ballast water for ship from causing
Plant invasion, International Maritime Organization (imo) passed through " Management of Ships ' Ballast Water and sediment monitoring and management contract " in 2004.
According to the requirement of imo pact, the partly new ship built for 2009 should meet d-2 and require, and all answer to all foreign-going ships in 2017
Meet d-2 to require.Automatically anti-cleaning filter due to tube road pressure duty, have work continuously, need not manually operate, energy consumption
The rapid acquisition of technical advantage such as low, little, life-span length in occupation of land face is extensively applied.But the security reliability of filtration system is followed to industry
Ring water system, ship's navigation etc. have critically important impact, and its performance test is imperative, and perseverance often taken by experimental provision domestic at present
Fast pump excessively stream, adjust flow maintain pipe pressure with reference to Valve controlling, on the one hand frequently adjusting makes the mechanical wear of valve aggravate,
Plant maintenance workload and equipment investment increase；Another aspect control accuracy is poor and causes substantial amounts of waste of energy.Additionally, water pump
The direct power frequency of motor starts the water hammer effect bringing with braking, also has destructive influences to pipe network, valve etc..This mode
Manipulation complex work efficiency is low, lacks precise and safety efficient data collection and analysis management system and supports, anti-corrosion protection deficiency is made
Become recycling rate of waterused low；Based on the Simulation Analysis of fluid, the mathematical modeling complex calculation cycle is long, ideal conditionss and actual work
The product data that the overall situation of condition records also have many diversityes；Though self-cleaning filter product principle is identical, specification pattern
Various, this just brings substantial amounts of pipeline repacking work to access, so that test experiments are inconvenient, the energy consumption such as water power is higher, warp
Ji benefit is low.
Content of the invention
For solving above-mentioned technical problem, the present invention provides a kind of ballast water for ship filter capability experimental provision, this device
Can meet and automatically instead clean the exfactory inspection of filter and the TT＆C requirement of type inspection, and safety, energy-conservation, high working efficiency.
The technical solution adopted in the present invention is: ballast water for ship filter capability experimental provision, described experimental provision bag
Include circulation unit, isomate access unit and distributed intelligence TT＆C system three part；
Described circulation unit includes supply and drain water system, cyclic water tank, first manual valve, water pump, regulating valve and bypass valve,
Supply and drain water system includes water injection valve and the drain valve being connected respectively with cyclic water tank, and the outlet of cyclic water tank is connected with water pump,
First manual valve is arranged on the pipeline between water pump and cyclic water tank, and the water inlet end of water pump and water side are respectively equipped with the second pressure
Force transducer and the 3rd pressure transducer, the water side of water pump is divided into two branch roads by pipeline, and wherein one branch road is back to
In cyclic water tank, bypass valve is arranged on this branch road, and in addition a branch road connects to isomate unit；
Described isomate unit includes the second hand-operated valve, reducer union, tested filter, the 3rd hand-operated valve and pressure and adjusts
Valve, the second hand-operated valve is arranged on the branch road of water pump, and reducer union is arranged on the second hand-operated valve downstream, the water inlet of tested filter
End connects to reducer union, and the water side of tested filter is back to cyclic water tank by pipeline, and this pipeline is sequentially provided with the
Pipeline between three hand-operated valves and pressure-regulating valve, and the 3rd hand-operated valve and pressure-regulating valve is provided with the 4th pressure transducer,
The port of export of pressure-regulating valve is provided with second flow instrument；
Described distributed intelligence TT＆C system includes monitoring water environment system, frequency conversion control system, pressure reduction for controlling water pump
Sensor, system control cabinet, central control station, data acquisition and analysis system, experimental data management system, database server,
Field bus communication system, the network printer；Monitoring water environment system includes tank gage, the water temperature biography being arranged on cyclic water tank
Sensor and first pressure sensor, frequency conversion control system includes pump variable frequency device, pid controller and Fuzzy Controller；Described mould
Paste actuator sets error and the error change trend between flow and first flow instrument according to user, to pid controller
Control parameter carries out on-line tuning, and adjust converter, water pump make stability of flow change；Described differential pressure pickup is connected in parallel on tested
The high-low pressure mouth both sides of the differential pressure controller of examination filter, for measuring pressure drop inside and outside filter element.
As a kind of optimization further of present invention ballast water for ship filter capability experimental provision, described supply and drain water system
Drain valve end be also associated with micro-filter.
As a kind of optimization further of present invention ballast water for ship filter capability experimental provision, described cyclic water tank is
Cylinder enclosed formula, the water outlet that cyclic water tank is connected with water pump is provided with trash rack, is additionally provided with electrolysis anti-soil and prevents in cyclic water tank
Rotten device.
As a kind of optimization further of present invention ballast water for ship filter capability experimental provision, described circulation
Pipe design pressure≤the 1.6mpa of unit.
As a kind of optimization further of present invention ballast water for ship filter capability experimental provision, in described cyclic water tank
It is additionally provided with agitator.
As a kind of optimization further of present invention ballast water for ship filter capability experimental provision, described heterogeneous access list
Unit also includes flexible coupling, and flexible coupling is arranged on reducer union upstream.
As a kind of optimization further of present invention ballast water for ship filter capability experimental provision, described tested filter
The blowoff valve of bottom is communicated to cyclic water tank, and the port of export of blowoff valve is connected with the 3rd flow instrument.
As a kind of optimization further of present invention ballast water for ship filter capability experimental provision, described distributed intelligence
TT＆C system also includes infrared temperature measurement system and the acoustic meter of the performance parameter for measurement demarcation filter.
Compared with prior art, the present invention at least has and has the advantage that and beneficial effect:
The ballast water for ship filter capability experimental provision that the present invention provides takes water pump soft start that water hammer can be reduced or eliminated
Effect, can reduce impact, increase the safety of system operation, extend the system operation life-span, economical and energy saving, safety and environmental protection effect are relatively
Good, compatible many patterns isomery filter product such as horizontal, vertical accesses the extensive work avoiding pipeline repacking, the extension of acquisition channel
Property, signal compatibility good, support rs232/485, fieldbus, the multiple kinds such as EPA, the Internet, permissible
Meet " liquid filter for filtration current techique specification ", " water for industrial use automatic backwashing filter ", " Ballast Management system
Approval directive/guide " standard such as g8 directive/guide test requirements document, and test flow velocity in 20 ~ 1000m/h, a whole set of experimental provision runs
Normally.The present invention is based on plc, industrial configuration Motor, highly integrated automatic data collection analysis system, greatly
Improve work efficiency, alleviate laboratory technician's workload, have a long-range, manual, automatic multiple-working mode, manipulation is more square
Just, ambient adaptability, reliability and stability are high.
Brief description
Fig. 1 is water medium filtering device performance test intelligent measurement and control platform technology schematic flow sheet；
Fig. 2 is TT＆C system major function exploded view；
Fig. 3 is vertical filter access way schematic diagram；
Fig. 4 is horizontal filter access way schematic diagram；
Fig. 5 quickly accesses schematic diagram for vertical filter；
Fig. 6 quickly accesses schematic diagram for horizontal filter；
Fig. 7 is 90 ° of arc piping schematic of threeway；
Fig. 8 is quick coupling structure schematic diagram；
Reference: 1, agitator, 2, first pressure sensor, 3, cooling-water temperature sensor, 4, cyclic water tank, 5, tank gage, 6,
One hand-operated valve, 7, second pressure sensor, 8, water pump, the 9, the 3rd pressure transducer, 10, first flow instrument, 11, regulating valve, 12,
Second hand-operated valve, 13, reducer union, 14, tested filter, the 15, the 3rd hand-operated valve, the 16, the 4th pressure transducer, 17, pressure
Force regulating valve, 18, second flow instrument, 19, differential pressure pickup, the 20, the 3rd flow instrument, 21, water injection valve, 22, drain valve, 23, micro-
Filter, 24, bypass valve, 25, acoustic meter, 26, database server, 27, data acquisition and analysis system, 28, central control station,
29th, network printing center, 30, system control cabinet, 31, snap joint mother's mouth, 32, rubber sheet gasket, 33, snap joint public affairs mouth.
Specific embodiment
For making present disclosure become apparent, below in conjunction with specific embodiment, describe the present invention.
As illustrated, ballast water for ship filter capability experimental provision, described experimental provision include circulation unit,
Isomate access unit and distributed intelligence TT＆C system three part；
Described circulation unit includes supply and drain water system, cyclic water tank 4, first manual valve 6, water pump 8, regulating valve 11 and side
Port valve 24, supply and drain water system includes the water injection valve 21 being connected respectively and drain valve 22, the draining of supply and drain water system with cyclic water tank 4
Valve 22 end is also associated with micro-filter 23, and the outlet of cyclic water tank 4 is connected with water pump 8, and first manual valve 6 is arranged on water pump
On pipeline between 8 and cyclic water tank 4, the water inlet end of water pump 8 and water side are respectively equipped with second pressure sensor 7 and the 3rd pressure
Force transducer 9, the water side of water pump 8 is divided into two branch roads by pipeline, and wherein one branch road is back in cyclic water tank 4, other
Port valve 24 is arranged on this branch road, and in addition a branch road connects to isomate unit；
Described isomate unit includes the second hand-operated valve 12, reducer union 13, tested filter 14, the 3rd hand-operated valve 15 and pressure
Force regulating valve 17, the second hand-operated valve 12 is arranged on the branch road of water pump 8, and reducer union 13 is arranged on the second hand-operated valve 12 downstream,
Reducer union is used for solving the bore difference of the entery and delivery port flange of different product model；The water inlet end of tested filter 14 is even
It is connected to reducer union 13, the water side of tested filter 14 is back to cyclic water tank 4 by pipeline, this pipeline is sequentially provided with
Pipeline between three hand-operated valves 15 and pressure-regulating valve 17, and the 3rd hand-operated valve 15 and pressure-regulating valve 17 is provided with the 4th pressure
Sensor 16, the port of export of pressure-regulating valve 17 is provided with second flow instrument 18, and the blowoff valve of tested filter 14 bottom is communicated to
Cyclic water tank 4, the port of export of blowoff valve is connected with the 3rd flow instrument 20；
Described distributed intelligence TT＆C system includes monitoring water environment system, frequency conversion control system, pressure reduction for controlling water pump 8
Sensor 19, system control cabinet 30, central control station 28, data acquisition and analysis system 27, experimental data management system, data base
Server 26, field bus communication system, network printing center 29；Monitoring water environment system includes being arranged on cyclic water tank 4
Tank gage 5, cooling-water temperature sensor 3 and first pressure sensor 2, frequency conversion control system includes water pump 8 converter, pid controller
And Fuzzy Controller；Described Fuzzy Controller sets error and the error change between flow and first flow instrument 10 according to user
Change trend, carries out on-line tuning to the control parameter of pid controller, and adjust converter, water pump 8 make stability of flow change；Institute
State the high-low pressure mouth both sides that differential pressure pickup 19 is connected in parallel on the differential pressure controller of tested filter 14, for measuring external pressure in filter element
Fall.Described distributed intelligence TT＆C system also includes infrared temperature measurement system and the noise of the performance parameter for measurement demarcation filter
Instrument 25.
Described working media is fresh water, sea water or other water for industrial uses, 5 ~ 70 DEG C of water temperature, is added according to the metering of particulate matter characteristic
Enter the optional mass ratio of mode or volume ratio, test ship ballast water management system self-cleaning filter should be according to " ballast when being
Water management system ratifies directive/guide " indices of the requirement of experiment recycling water formulation of g8 directive/guide, such as the salinity of water, plankton,
Organic carbon granule etc..
Described tested filter is automatically instead to clean filter, is built with metal mesh type in industrial container vessels not under pressure
Filter element, filters to the impurity in industry, marine water, so that the equipment for filtering water that aqueous are purified.Its mounting means
Have vertical and horizontal, built-in filter element pattern quantity has folding and non-collapsible and single and multi-core type, wherein mesh grid filter element filtering
Be provided with thick, smart two grades of filter elements in device, anti-have suction nozzle and spin rinse arm-type when cleaning, can with timing rotation, continuously rotate or sweep
Retouch formula rotation, and using inside and outside filter element formed pressure differential need not be provided separately energy just sustainable carry out filter work.Its skill
Art is characterized as operating pressure 0.1 ~ 1.6mpa, initial differential pressure≤0.015mpa, backwash pressure reduction 0.03 ~ 0.05mpa, filtering accuracy >=
10μm.
The performance test that the present invention is carried out is the dominant term in exfactory inspection and type inspection, specifically includes automatically anti-
Cleaning filter filter effect, pressure drop-discharge characteristic, backwash flow, blowdown flow rate, rotate test, action sensitivity, averagely without reason
Barrier continuous operating time, does not include the water pressure test, joins noise-measuring instrument and adnexa does noise experiment, wherein flow measuring and controlling scope
It is 20 ~ 1000m/h, when being tested from the filter of 25 μm ~ 1mm of filter element filtering precision, in experimental liquid, oil content should not
More than 5mg/l.
The present invention sets altogether and tests liquid collection point at three, i.e. the first collection point p1, the second collection point p2, the 3rd collection point p3；?
First collection point p1 sampling, realizes to the experiment liquid turbidity sampling in cyclic water tank；Sample in the second collection point p2, realize real
Test experiment liquid in contrast cyclic water tank before liquid inflow filter, purify after the sampling of experiment liquid；Sample in the 3rd collection point p3, real
Reality contrasts non-purified front experiment liquid sampling after testing liquid outflow filter；Sample cup for liquid is the uncovered cup of cylinder plastic, transparent, cup
Body indicates containing mark sequence number, and plastic end cover center connects conduction hose, and the flexible buckle in end cap both sides is connected with cup body cooperation.
Described cyclic water tank 4 is cylinder enclosed formula, and the water outlet that cyclic water tank 4 is connected with water pump 8 is provided with trash rack, follows
It is additionally provided with electrolysis anti-soil anti-corrosive apparatus, cyclic water tank inner surface carries out preservative treatment using bituminous epoxy paint, circulation in ring water tank 4
It is additionally provided with agitator 1 in water tank 4.Pipe design pressure≤the 1.6mpa of described circulation unit.Described water pump is vertical
Piping Centrifugal Pumps, takes frequency conversion control system to control.
Described heterogeneous access unit also includes flexible coupling, and flexible coupling is arranged on reducer union 13 upstream, flexible coupling
For compensating axial, radial direction the displacement deviator between flexible duct and reducer union, it is beneficial to vibration damping suction simultaneously and makes an uproar, and coordinate leading portion
The one section of flexible duct connecting makes that isomery filter model machine is vertical, horizontal border is accessed.Described heterogeneous access unit is vertical in access
During filter, as shown in figure 3, being sequentially connected the second hand-operated valve, flexible duct, flexible coupling band lap joint flange, reducer union, quilt
Testing filters, and fixed on the ground with bracing frame, if tested filter is to select corresponding reducing to connect during isomery bore
Head uses clip secure seal, and that is, when α=0 °, fixed length pipeline l, around x2 axle anglec of rotation arcsin β=h2-h1, just can access vertical filter
Device.When accessing horizontal filter, as shown in figure 4, only need will to be converted into l shape by flexible duct bending radius making opening vertically upward,
Other connect with the pipeline of vertical filter, and that is, when α=90 °, fixed length pipeline l, around 90 degree of the y1 axle anglec of rotation, just can access horizontal
Filter.
Described heterogeneous access unit includes electrodynamic valve, snap joint, flexible coupling band lap joint flange, reducer union, bolt
Block blue, tested filter and contain drive motor, blowoff valve, the electrodynamic valve in described z1 with x1 direction is connected with upstream, access
During vertical, horizontal difference filter, two to interlocking；Described snap joint, flexible coupling, reducer union, blue, the tested filtration of bolt card
Device water inlet is sequentially connected；Wherein, described snap joint divides male and female mouth, realizes pipeline by inserting mode and quickly connects；Described
Flexible coupling is used for compensating axial, radial direction the displacement deviator between pipeline and reducer union, is beneficial to vibration damping suction simultaneously and makes an uproar, and coordinates
Snap joint makes that isomery filter model machine is vertical, horizontal convenient access, described reducer union be used for solving the entering of different product model,
The bore of delivery port flanges and the difference of upstream, save the work of pipeline repacking；Described bolt card is blue to be used for reducer union
Convenient sealing with the entery and delivery port of filter, flange dismounting.
Field bus communication system includes fieldbus, gateway, EPA, fieldbus by field data pressure,
Pressure reduction, temperature, flow, i/o signal, equipment operation condition etc. transmit to plc controller, and plc regulates and controls to become further through fieldbus
Frequently, the equipment such as valve, Motor drive, thus form the communication network of the field control level of closed loop control；Described central control station,
Data acquisition and analysis system, experimental data management system, database server, network printing center etc. are formed based on industrial ether
The communication network of the course controlling and managing level of net, by the gateway communication interface in system control cabinet and field control level group of networks
Become field bus communication system, realize to oneself in the intelligent acquisition analysis of experimental data, the generation of form curve, experimentation
Dynamicization manages.
Described distributed network TT＆C system is based on plc, configuration control exploitation, collects observing and controlling, analyzes, manages in one
The Comprehensive Experiment management system of body.Wherein data acquisition and analysis system and central control station are the cores of whole TT＆C system.In
Centre control station and plc adopt c/s service mode, realize experimentation automatization.Pass through human-computer interaction interface work order
Required parameter sends into central control station with test, and central control station is interacted to sensor, each quasi-driver with plc main control unit
Realize data acquisition, adjust the functions such as control, facing sensing device signal (flow, pressure reduction, pressure, temperature, liquid during the input of its process
Position) and the signal such as switching value, its output control actuator (converter, water pump, electrodynamic valve, solenoid directional control valve, motor etc.) is real
Show automatically controlling of experimentation;Based on the self-adjusting pid control method of fuzzy reasoning, effectively overcome pid and control in non-thread
Property, the regulation and control of time-varying, large time delay complication system when parameter tuning is especially difficult and fuzzy control does not have integral element and is difficult to completely
Eliminate the intrinsic deficiency of steady-state error, pipeline flow, filter pressure, filter element pressure reduction and high water tank compared with setting value,
In conjunction with fuzzy algorithmic approach and Fuzzy Controller, converter, pressure-regulating valve, plumbing are controlled by digital output module output signal
System, realizes the closed loop control of flow, pressure and liquid level.
Data collecting system one side is to the working flow of tested filter, pressure, pressure reduction, noise, spare and accessory parts temperature rise
And the on-off model such as motor, valve is acquired being stored in the raw data base of database server, provide for performance evaluation
Data Source；On the other hand to the pipeline flow of circulation, pressure, flow velocity, temperature, liquid level and water pump, motor, valve
It is acquired being formed the system database of database server Deng on-off model, provide for experimentation automatization and support.Number
Pass through to access database server according to data management system, its raw data base is carried out with category filter, removes invalid data, and
Carry out data pre-processing, specifically include summation, maximum, minima, meansigma methodss, variance and unit conversion, backup management etc.；
Data analysis system carries out Data Post on the basis of the above-described procedure, specifically includes the tested filter of automatic drafting
Flow, pressure, pressure reduction, noise, the time dependent real-time curve of temperature rise, history curve, real time data form, historical data report
Table, extracts, prints, deleting benefit etc. for display, inquiry, classification, by being fitted to pressure drop-rating curve, extrapolating filter
The hydraulic loss empirical equation of device；After water sample analysis, evaluate filter cleaning effect, function and the reliability of filter, demarcate filter
Metered flow, cleaning pressure reduction, blowing time, the optimum technology parameter such as blowdown flow rate, surveyed with the storage output experiment of office form
Examination report.
The ballast water for ship filter capability experimental provision that the present invention provides, in test with fresh water, sea water or other works
Industry water is fluid media (medium), with plankton, particle, the internal impurity of organic carbon particle simulation engineering-environment.Experimental provision
Operated under following operating modes: range of flow is 20 ~ 1000m/h, operating pressure is 0 ~ 0.6mpa, and operation temperature is 5 ~ 40
DEG C, operational humidity 30 ~ 80%, 25 μm ~ 1mm of filter element filtering precision, in experimental liquid, oil content should be not more than 5mg/l.Using described
Experimental provision can carry out 1 pressure drop-discharge characteristic, 2 functions and reliability, 3 noise experiment, 4 filtration effects successively to aqueous medium filter
Really.Concrete operation step is as described below:
1 pressure drop-discharge characteristic test:
Pressure drop-discharge characteristic is also referred to as conveyance capacity test, that is, under a certain filtering accuracy, the filter pressure drop of different model with
The change of flow and the characteristic test that changes.When purpose is checking filter normal work, whether maximum functional flow reaches sets
Meter requires and Max pressure loss, measures the functional relationship that filter cleans pressure drop-changes in flow rate, demarcates the initial differential pressure of filter
Should≤15 kpa.
1) open water injection valve 21 to water tank injected clear water, during to designated water level, the supply and drain water system of control centre sends pass
Close instruction, water injection valve 21 is automatically switched off；By mounting means, filter is accessed heterogeneous system, thus being assembled into assay device, from
The high and low pressure pressure tap parallel connection differential pressure pickup of the differential pressure controller of filter, opens filter inlet upstream, cuts out other
Logical loop, makes experimental liquid air by tested filter and in emptying housing.
2) laboratory technician passes through the test work such as the design discharge value of man machine interface input filter of control centre, flow gear number
Skill parameter；Start variable frequency pump, the pid controller of control centre combines FUZZY ALGORITHMS FOR CONTROL storehouse regulation and control water pump, the aperture of valve, makes
Flow instrument first stable in 0. 2 times of design discharges, its undulated control is ± 0.5%.
3) and then make test flow be gradually increased to 1. 2 times of filter design discharge, press suitably equal increasing therebetween
Measurement is not less than 10 flow gears, often adjusts one grade of flow, all should be by data acquisition and analysis system after instrument numerical stability
Automatically record each flow to keep off corresponding filter pressure drop and be stored in experimental data base；From 1. 2 times of filter design discharge gradually
It is reduced to 0. 2 times, aforementioned operation is repeated with the flow that equal decrement is not less than 10 points.
4) by step 3) be repeated once test, to step 3) and 4) in record flow, pressure drop data process, be averaged
Value.Data acquisition and analysis system, by carrying out curve fitting to the discrete data in these experimental data bases, generates pressure drop-flow
Characteristic curve, simulate the hydraulic loss empirical equation of filter；Data acquisition and analysis system passes through to analyze filter change in pressure drop rate,
And the filter element pressure-bearing value of bonded products data base, extrapolate the optimum working flow of filter.
2 functions and reliability testing:
On the basis of pressure drop-Flow characteristic test, function and reliability test are carried out to tested filter, to measure filter
Manually, pressure reduction, regularly, remote control cleaning function whether effectively, signal output whether accurately, motor or other driving, valve, bearings
Deng the technical parameter such as rotating mechanism temperature rise situation and filter equipment Mean continuous operating time.
1) experiment of rotation is after in pressure drop-Flow characteristic test, step 4 finishes, to the rotation being provided with tested filter
Mechanism should carry out load and rotate test.Under declared working condition, rotate each rotatable parts and be no less than 3 times, check each rotatable parts
Whether operating is flexible, if having the unusual conditions such as jam, abnormal noise, special odor.
2) functional experiment, after experiment of rotation step 1 checks and finishes, sets self-cleaning program, with the carrying out filtered, point
Not Cao Zuo filter manual, pressure reduction, regularly, far control cleaning function, when testing pressure reduction functional mode, pressure drop rise inside and outside filter element
During to setting value, the differential pressure controller on filter body should trigger, and sends signal enabling motor rotation, and blowoff valve should be simultaneously
When open；Set after scavenging period time delay terminates, motor shuts down, and blowoff valve should cut out immediately simultaneously, pressure drop falls after rise to first
Beginning pressure drop waits next round circulation.Every kind of control model is tested three times, and TT＆C system records filter mode of operation, pressure reduction automatically
Value, blowdown flow rate etc., whether the feedback loop output signal such as the susceptiveness of differential pressure controller, motor start and stop and blowoff valve open/close states is accurate
Really.
3) reliability testing experiment, under declared working condition, if the mode of operation of filter is the double cleaning model of pressure reduction timing, opens
Dynamic infrared thermal imagery system, is examined online to temperature rises such as the motor on filter body, reductor, valve, bearing, electrical systems
Survey, continuous operating time is no less than 50 hours, and 1 time/h of the imaging acquisition frequency, if filter breaks down and cannot during this period
Automatically recover, TT＆C system will immediately shut off filter and opens bypass circulation, and sound and light alarm alarm occurs, by fault alarm thing
Part and the Mean continuous operating time of the imaging analysis calculating whole machine of filter, thus evaluating the whole aircraft reliability of filter, and
Provide the suggestion of filter equipment preventative repair and maintenance, prevent the Water treatment filtration that filter is applied to the special industries such as nuclear power, ship from separating
When, cause heavy losses because filter equipment fault leads to shut down.
3 filter running noises tests:
On the basis of failtests step 3, synchronously carry out noise fest by the regulation of gb/t 10894 annex e.Measuring point selects
Take and choose for 1m by the horizontal range of the immediate major surfaces of filter: when filter height (is calculated with support bottom or support bottom
Rise) it is less than 1m.Choose measurement height by 1m, water strainer height is higher than 1m, choose measurement height by 1.5m.Repeat the above steps two
Secondary, recording filter running noises acoustic power level data is processed, and averages.
4 filter effect tests:
After pressure drop-Flow characteristic experiment finishes, filter effect test should be carried out to tested filter, to measure the filtration of filter
Cleaning effect is total suspended solid tss, organic matter, the clearance of turbidity ntu, the cleaning pressure reduction of demarcation filter, blowing time, row
The optimum technology parameters such as dirty amount
1) a certain amount of zooplankton, plant, particle, organic carbon granule are added with model engineering to the raw water of cyclic water tank
Environmental interior impurity, control centre start agitator will test liquid mix homogeneously, water environment parameter system by experiment liquid water level,
The information such as temperature, pressure, dirt degree pass to data acquisition and analysis system.
2) open valve, close bypass, supply and drain water system, filter blowoff valve, laboratory technician passes through the man-machine boundary of control centre
The various process parameters such as the flow of face input filter, pressure, cleaning pressure reduction, cleaning frequency, scavenging period, arrange experimental provision
Automatic operation mode；The flow pid controller of control centre constantly regulates and controls variable frequency pump with reference to FUZZY ALGORITHMS FOR CONTROL and filter enters
Mouth valve, makes filter inlet flow instrument 11 stability of flow；Pressure transducer 15 is by filter pressure feedback to control centre, control centre
Pressure p id controller constantly regulate and control pressure-regulating valve 17 with reference to FUZZY ALGORITHMS FOR CONTROL it is ensured that filter operating pressure is stable.Control
Centrally through the mode of timing, be consecutively detected 3 cycle periods of filter time equal when, then decision-making system stably reaches
The process conditions setting, and log-on data acquisition analysis system, start formal test.
3) in filter filter process, water to be filtered enters filter chamber, having more than aperture of filter screen by inlet flange
Machine and inorganic particulate can be retained by filter element, and the clear water after filtration flows to recirculated water by filter screen through filter outlet and export pipeline
Case；Goods and materials with filter element retention are on the increase, and filter element inside and outside differential pressure also constantly raises when reaching setting pressure difference, pressure reduction control
Device processed promptly sends signal, and filter carries out self-cleaning work
In filter cleaning process, the motor on filter drives sewage suction device motion, opens blowoff valve simultaneously.Produce inside filter element
The water that raw pressure drop can flow through filter element reversely flows to, thus the organic and inorganic particle retaining in filter element is flushed out filter,
Sewage enters cyclic water tank through blowoff valve and flow instrument, and after scavenging period countdown terminates, control centre can send rapidly motor
The signal shutting down with electromagnetism blowoff valve.
Each sensor is by filter intake-outlet flow, pressure, filter element inside and outside differential pressure, temperature, blowdown flow rate and filter equipment, pipe
The information such as reason system operation situation pass to control centre；Data acquisition and analysis system first passes through the synchronous high-speed to sensor signal
Sampling, filtering noise reduction, isolation amplifications, the initial data such as large-scale data operational analysis carry out pretreatment, regenerate real time data,
Historical data, real-time curve, history curve data analytical statement, for the management such as display and printing and DB Backup.
4) within the filtration cleaning frequency of filter, from 3 sampled points p1, p2, p3, experiment liquid is sampled, each cycle
Interior sampling number of times is no less than 5 times, and sampling amount is respectively 1 liter, and sampling bottle is numbered in order takes, stores classifiedly；Adopt first
Collection point p1 sampling, realizes to the experiment liquid turbidity sampling in cyclic water tank；Sample in the second collection point p2, realize experiment liquor stream
Enter experiment liquid in contrast cyclic water tank before filter, purify after the sampling of experiment liquid；Sample in the 3rd collection point p3, realize experiment
Non-purified front experiment liquid sampling is contrasted after liquid outflow filter.
5) to step 3) and 4) it is repeated once test, the sample obtaining at three is carried out turbidity ntu, total suspended solid
Tss, the organic phytoplankton less than filtering accuracy and the zooplankton detection more than filtering accuracy, then calculate clearance.
Above-mentioned embodiment is the present invention preferably embodiment, but embodiments of the present invention are not subject to above-described embodiment
Restriction, other any without departing from spirit of the invention and the change made under principle, modification, replacement, combine, simplify,
All should be equivalent substitute mode, be included within protection scope of the present invention.
Claims (8)
1. ballast water for ship filter capability experimental provision it is characterised in that described experimental provision include circulation unit,
Isomate access unit and distributed intelligence TT＆C system three part；
Described circulation unit includes supply and drain water system, cyclic water tank (4), first manual valve (6), water pump (8), regulating valve
(11) and bypass valve (24), supply and drain water system includes the water injection valve (21) being connected respectively and drain valve (22) with cyclic water tank (4),
The outlet of cyclic water tank (4) is connected with water pump (8), and first manual valve (6) is arranged between water pump (8) and cyclic water tank (4)
Pipeline on, the water inlet end of water pump (8) and water side are respectively equipped with second pressure sensor (7) and the 3rd pressure transducer (9),
The water side of water pump (8) is divided into two branch roads by pipeline, and wherein one branch road is back in cyclic water tank (4), bypass valve
(24) it is arranged on this branch road, in addition a branch road connects to isomate unit；
Described isomate unit includes the second hand-operated valve (12), reducer union (13), tested filter (14), the 3rd hand-operated valve
(15) and pressure-regulating valve (17), the second hand-operated valve (12) is arranged on the branch road of water pump (8), and reducer union (13) is arranged on
Two hand-operated valves (12) downstream, the water inlet end of tested filter (14) connects to reducer union (13), the going out of tested filter (14)
Water end (W.E.) is back to cyclic water tank (4) by pipeline, and this pipeline is sequentially provided with the 3rd hand-operated valve (15) and pressure-regulating valve (17),
And the 3rd the pipeline between hand-operated valve (15) and pressure-regulating valve (17) be provided with the 4th pressure transducer (16), pressure-regulating valve
(17) the port of export is provided with second flow instrument (18)；
Described distributed intelligence TT＆C system includes monitoring water environment system, is used for controlling frequency conversion control system, the pressure of water pump (8)
Gap sensor (19), system control cabinet (30), central control station (28), data acquisition and analysis system (27), experimental data management
System, database server (26), field bus communication system, network printing center (29)；Monitoring water environment system includes setting
Put tank gage (5) on cyclic water tank (4), cooling-water temperature sensor (3) and first pressure sensor (2), frequency conversion control system bag
Include water pump (8) converter, pid controller and Fuzzy Controller；Described Fuzzy Controller according to user set flow with first-class
Error between amount instrument (10) and error change trend, carry out on-line tuning to the control parameter of pid controller, and adjust change
Frequency device, water pump (8) make stability of flow change；Described differential pressure pickup (19) is connected in parallel on the differential pressure controller of tested filter (14)
High-low pressure mouth both sides, for measuring pressure drop inside and outside filter element.
2. ballast water for ship filter capability experimental provision as claimed in claim 1 is it is characterised in that described supply and drain water system
Drain valve (22) end be also associated with micro-filter (23).
3. ballast water for ship filter capability experimental provision as claimed in claim 1 is it is characterised in that described cyclic water tank
(4) it is cylinder enclosed formula, the water outlet that cyclic water tank (4) is connected with water pump (8) is provided with trash rack, in cyclic water tank (4) also
It is provided with electrolysis anti-soil anti-corrosive apparatus.
4. ballast water for ship filter capability experimental provision as claimed in claim 1 is it is characterised in that described circulation
Pipe design pressure≤the 1.6mpa of unit.
5. ballast water for ship filter capability experimental provision as claimed in claim 1 is it is characterised in that described cyclic water tank
(4) it is additionally provided with agitator (1) in.
6. ballast water for ship filter capability experimental provision as claimed in claim 1 is it is characterised in that described heterogeneous access list
Unit also includes flexible coupling, and flexible coupling is arranged on reducer union (13) upstream.
7. ballast water for ship filter capability experimental provision as claimed in claim 1 is it is characterised in that described tested filter
(14) blowoff valve of bottom is communicated to cyclic water tank (4), and the port of export of blowoff valve is connected with the 3rd flow instrument (20).
8. ballast water for ship filter capability experimental provision as claimed in claim 1 is it is characterised in that described distributed intelligence
TT＆C system also includes infrared temperature measurement system and the acoustic meter (25) of the performance parameter for measurement demarcation filter.
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| CN107308697A (en) * | 2017-08-21 | 2017-11-03 | 金科水务工程(北京)有限公司 | Liquid purifier is tested in a kind of counter-infiltration |
| CN109520906A (en) * | 2018-11-23 | 2019-03-26 | 川易机电设备启东有限公司 | Multipurpose strainability integrated experiment device and test method |
| CN109745760A (en) * | 2019-02-28 | 2019-05-14 | 洛阳双瑞金属复合材料有限公司 | The Performance Test System and method of marine ballasting water filter |
| CN111308891A (en) * | 2020-02-28 | 2020-06-19 | 上海交通大学 | Self-adaptive control method for water pressure of filter screen flushing unit of ballast water equipment |
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| CN106370445B (en) | 2018-09-18 |
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