CN106706851B - A kind of gravity stream Long-distance Pipeline for Water Conveyance simulator and analogy method - Google Patents
A kind of gravity stream Long-distance Pipeline for Water Conveyance simulator and analogy method Download PDFInfo
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- CN106706851B CN106706851B CN201611185778.XA CN201611185778A CN106706851B CN 106706851 B CN106706851 B CN 106706851B CN 201611185778 A CN201611185778 A CN 201611185778A CN 106706851 B CN106706851 B CN 106706851B
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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
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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
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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
- G01N33/1826—Water organic contamination in water
- G01N2033/184—Water organic contamination in water herbicides, pesticides, fungicides, insecticides, or the like
Abstract
The present invention provides a kind of gravity stream Long-distance Pipeline for Water Conveyance simulator and analogy method, described device includes pipe element, supporting member, the dynamic component for driving pipe element rotation and measurement component, wherein, the water injection pipe in pipe element (2) and sampling blow-down pipe (5) are connected with annular simulation pipeline (1).Analogy method step of the present invention includes, the material of selected annular simulation pipeline (1), set water velocity, source water and medicament is added by water injection pipe (2), adjust pressure, open variable frequency drive motors (9), drive central drum (8) rotation, drive round pallet (6) and thereon annular simulation pipeline (1) rotation.Streamflow regime in relative motion analog Practical Project between source water and tube wall in pipe in the gravity stream long distance water transfer pipe of no benzene, to study growing in pipeline along journey change of water quality and aquatic organism and breeding situation.The present apparatus has the analog capability of closing to reality, has stronger practicability.
Description
Technical field
The present invention relates to water-treatment technology fields, and in particular to a kind of gravity stream Long-distance Pipeline for Water Conveyance simulator and mould
Quasi- method.
Background technique
With China's economic development and the raising of living standards of the people, industry and domestic consumption constantly increase, various
The water intake engineering of various kinds is also increasing, wherein being no lack of gravity stream Long-distance Pipeline for Water Conveyance of the length at ten kilometers or more.No matter
It is fresh water or seawater, is enriched due to wherein growing type, large number of aquatic organism, especially grow fertility very
Strong fouling organism, so that aqueduct is had in face of serious biological self reproducing and blockage problem, it is defeated over long distances to gravity stream
Waterpipe is even more so.In addition, in Long-distance Pipeline for Water Conveyance, dissolved oxygen and certain nutritional substances in source water can be due to
The consumption of aquatic organism and reduce, so as to cause the significant change of water quality.Therefore, source water is specified in gravity stream long distance water transfer pipe
The characteristics such as growth, breeding, migration and the drug resistance of variation of water and aquatic organism in the duct in road, undoubtedly to control
Quality of water conveyance and formulation fouling organism prevent and kill off scheme with important project reference value.
In general, just being needed before the construction of gravity stream Long-distance Pipeline for Water Conveyance for the needs of engineering design and operational management
Will growth to change of water quality feature and aquatic organism and reproductive characteristic define, therefore by the mould of long distance water transfer pipe duct
It proposes the standby Related Experimental Study that carries out and deposits necessity technically and financially.However, in existing patent document, although
The simulator in relation to long distance water transfer has been disclosed, but for gravity stream Long-distance Pipeline for Water Conveyance, is especially likely to occur
The gravity stream Long-distance Pipeline for Water Conveyance of marine fouling organism breeding, the functionality of simulation exist significant insufficient.For example, invention is special
Benefit application (application publication number: CN102392430A) discloses a kind of Water quality simulation device used in long-distance water delivery, and the device is main
Simulate water quality of the water flow under the variation of the natural weathers such as rainfall, illumination and temperature in open channel.Obviously, water quality opening open channel and
Variation (such as reoxygenation difference of water) in closed conduct determines that the device is applied to simulation Long-distance Pipeline for Water Conveyance and is
It is inappropriate.Application for a patent for invention (application publication number: CN105092808A) also discloses a kind of Long-distance Pipeline for Water Conveyance simulation
Device, the device mainly pass through water pump water-filling into device, then push water flow in cylindrical pellet graphite cast iron pipe by impeller
It is flowed in road, achievees the purpose that simulated flow flows for a long time over long distances.But when the device for study aquatic organism growth and
When reproductive characteristic, water pump vane and impeller, especially will be inevitable to the continuous several times strike of fouling organism to aquatic organism,
And water delivery by gravity flow is not present in this point, therefore Long-distance Pipeline for Water Conveyance simulator described in the patent application is same
It cannot be used for simulated gravity stream Long-distance Pipeline for Water Conveyance.
In A/W stream Long-distance Pipeline for Water Conveyance, source water fashionable colors in closing, dark pipeline are longer, water
In various composition will change it is bigger, the vital movement of aquatic organism is also by significant change.It is redesigned more using brand new principle
The gravity stream Long-distance Pipeline for Water Conveyance simulator of closing to reality engineering-environment, is studied aquatic in aqueduct by testing
Object growth and breeding situation just seem very necessary.
Summary of the invention
Technical problem solved by the present invention is provide it is a kind of with Practical Project environment close to gravity stream long distance water transfer pipe
Road simulator realizes the life for studying variation of water and aquatic organism in practical Long-distance Pipeline for Water Conveyance in the lab
Long and breeding situation.
Specifically, in view of the deficiencies of the prior art, the present invention provides the following technical scheme that
On the one hand, the present invention provides a kind of gravity stream Long-distance Pipeline for Water Conveyance simulator, the simulator includes
The dynamic component and measurement component that pipe element, supporting member, driving pipe element rotate, wherein
Pipe element includes annular simulation pipeline 1, the water injection pipe 2 and sampling blow-down pipe that are connected with annular simulation pipeline 1
5；
Supporting member includes round pallet 6；
Dynamic component includes variable frequency drive motors 9 and coupled central drum 8；
Measuring component includes ultrasonic flowmeter 4；
Wherein, the annular simulation pipeline 1 is fixed on the upper surface of round pallet 6；One end of central drum 8 extends to circle
The top at 6 center of shape supporting plate；Annular simulation pipeline 1 is equipped with ultrasonic flowmeter 4.
Preferably, which further includes the pressing element being connected with pipe element, and the pressing element includes being interconnected
Forcing pipe 3, air compressor machine 11 and appendix 12, and positioned at annular simulation pipeline 1 on pressure gauge 13.
Preferably, the water injection pipe 2 and sampling blow-down pipe 5 are respectively positioned on annular simulation pipeline 1；The forcing pipe 3 also position
It simulates on pipeline 1 and communicates therewith in annular；The appendix 12 connects forcing pipe 3 and air compressor machine 11.
Preferably, the supporting member further includes the pallet support that both ends are individually fixed in central drum 8 and round pallet 6
Frame 7 and frame 10；The variable frequency drive motors 9 are fixed on the bottom surface of frame 10；The central drum 8 and frequency conversion drive electricity
Machine 9 is connected with one heart by shaft coupling or is connected by gear.
Preferably, plastic stop valve or ball valve are equipped on the water injection pipe 2, forcing pipe 3 and sampling blow-down pipe 5.
Preferably, the water injection pipe 2, forcing pipe 3 and sampling blow-down pipe 5 and annular simulation pipeline 1 are detachable connection.
Preferably, the water injection pipe 2, forcing pipe 3 and sampling blow-down pipe 5 and annular simulation pipeline 1 are non-disconnectable fixation
Connection.
Preferably, material, inner wall roughness and the tube environment of the annular simulation pipeline 1 simulate A/W stream
Long-distance Pipeline for Water Conveyance；Wherein, the material of the annular simulation pipeline 1 is selected from steel pipe, plastic tube, multiple tube or interior sand of cementing
One of steel pipe of slurry.
Preferably, the material of the round pallet 6 and central drum 8 includes the carbon steel steel of stainless steel or brushing anti-decaying paint
Material.
On the other hand, the present invention provides using the aqueduct simulator simulated determination A/W stream it is long away from
From the method for growing along journey change of water quality and aquatic organism in aqueduct and breeding situation, which is characterized in that the method includes
Following steps:
A. simulated object is determined: selected institute's practical Long-distance Pipeline for Water Conveyance to be simulated；
B. the simulated object determined according to step a selects the material of annular simulation pipeline 1, determines in annular simulation pipeline 1
Water flow relative velocity and it is different in flow rate under fashionable colors；
C. it keeps forcing pipe 3 and the valve sampled on blow-down pipe 5 to be in close state, is simulated by water injection pipe 2 to annular
Source water and medicament are filled it up in pipeline 1 closes water injection pipe 2 after annular simulation pipeline 1 is filled with；
D. the pressurization in annular simulation pipeline 1；
E. variable frequency drive motors 9 are started, round pallet 6, central drum 8 and annular simulation pipeline 1 are started turning；
F. when the registration of ultrasonic flowmeter 4 reaches the water flow relative velocity of step b design, fixed variable frequency drive motors
9 revolving speed；
When g. reaching sample time node, variable frequency drive motors 9 are closed, water sample is taken out by sampling blow-down pipe 5 and are carried out
Analysis；
H. the variable frequency drive motors that rerun 9 repeat the operation of step e-g；
I. it after all timing nodes sample, opens sampling blow-down pipe 5 and is vented the water in annular simulation pipeline 1.
Preferably, pressure method described in step d is the valve opened on forcing pipe 3, opens air compressor machine 11 and adjusts sky
Press 11 is so that the registration of pressure gauge 13 reaches test setting pressure.
Preferably, the test setup pressure value is 0-0.2MPa.
Preferably, the water velocity in the annular simulation pipeline 1 is 0-1.5m/s.
It preferably, include that water quality parameter analysis, medicament residue analysis and aquatic organism are living to the water sample analysis of all taking-ups
Property analysis.
Compared with prior art, it effect of the invention and has an advantage that:
In the lab using the pipeline A Long-distance Pipeline for Water Conveyance for curving annular, significantly reduces simulator and make
Valence.Water flow can form the principle of relative motion with pipeline when the present apparatus is rotated using circulating line, and it is practical to can be good at simulation
Water delivery by gravity flow state avoids water pump vane shocking damage caused by aquatile when driving water flow using water pump.Pass through
The rotation time for adjusting simulation pipeline and the pressure in pipeline, can simulate source water in gravity stream Long-distance Pipeline for Water Conveyance
The pressure-bearing situation of fashionable colors and in-pipe flow.Therefore, the present apparatus has the analog capability of more closing to reality, can simulate
Source water is along the change of water quality of journey and the growth of aquatic organism and breeding situation in research A/W stream aqueduct.In addition, this
The invention analogy method is easy to operate, has stronger practicability in conjunction with simulator.
With reference to the accompanying drawing with each specific embodiment, the present invention and its advantageous effects are described further.
Detailed description of the invention
Fig. 1 is the trans D sectional view of simulator of the present invention；
Fig. 2 is the top view of simulator of the present invention.
The reference numerals are as follows in figure: 1-annular simulation pipeline, 2-water injection pipes, 3-forcing pipes, 4-ultrasonic waves
Flowmeter, 5-sampling blow-down pipes, 6-round pallets, 7-supporting board carriages, 8-central drums, 9-variable frequency drive motors,
10-frames, 11-air compressor machines, 12-appendixs, 13-pressure gauges.
Specific embodiment
As described above, the purpose of the present invention is to provide a kind of gravity stream Long-distance Pipeline for Water Conveyance simulators, preferably
Practical Project environment is simulated, avoids driving water flow using water pump, realizes the simulation of water delivery by gravity flow；Pass through laboratory simulation experiment
Study the growth and breeding situation of the change of water quality and aquatic organism in A/W stream Long-distance Pipeline for Water Conveyance.
The present invention provides a kind of gravity stream Long-distance Pipeline for Water Conveyance simulators, including pipe element, supporting member, drive
The dynamic component and measurement component of dynamic pipe element rotation.Wherein, pipe element includes annular simulation pipeline 1 and coupled
Logical water injection pipe 2 and sampling blow-down pipe 5；Supporting member includes round pallet 6, supporting board carriage 7 and frame 10；Dynamic component packet
Include central drum 8 and variable frequency drive motors 9；Measurement component, which is set to circular die, to be intended on pipeline 1, including 4 He of ultrasonic flowmeter
Pressure gauge 13.In addition, interconnected forcing pipe 3, air compressor machine 11 and appendix 12 form the pressing element of simulator.
Frame 10 is the basic framework of device, and one end of variable frequency drive motors 9 is fixed in frame 10, the other end and center
Rotating cylinder 8 is connected by gear or shaft coupling is connected with one heart, and the other side of central drum 8 is extending to 6 center of round pallet just
Top, central drum 8 are fixed on frame 10 by bearing, and the both ends of supporting board carriage 7 are separately fixed at round pallet 6 in
On heart rotating cylinder 8, annular simulation pipeline 1 is fixed on 6 surface of round pallet, and appendix 12 connects air compressor machine 11 and forcing pipe 3.
The working principle of gravity stream Long-distance Pipeline for Water Conveyance simulator of the present invention are as follows:
Simulator run when, variable frequency drive motors 9 drive central drum 8 rotate, round pallet 6 with central drum 8 with
Identical angular speed rotation, annular simulation 1 oblong supporting plate 6 of pipeline are rotated with identical angular speed, while annular simulation pipeline 1
Interior source water is also rotated with certain speed, but rotational angular velocity and linear velocity are respectively less than annular simulation pipeline 1, produce water
Stream lags behind the relative motion of tube wall, and the revolving speed of annular simulation pipeline 1 is bigger, relative motion of the source water relative to tube wall
Will be big, i.e., linear velocity difference will be big, and from the flowing that can simulate source water in practical Long-distance Pipeline for Water Conveyance.Experiment
When, the speed of related movement of source water and annular simulation pipeline 1 can be made to be equal to by adjusting the revolving speed of variable frequency drive motors 9 practical
The flowing velocity of source water in Long-distance Pipeline for Water Conveyance.
The present invention highly shortened the length of simulation pipeline using the pipeline A Long-distance Pipeline for Water Conveyance for curving annular
Degree, enables simulated experiment to carry out in the lab, and significantly reduce simulator cost.In addition, the present apparatus utilizes
Water flow can form the principle of relative motion with pipeline when circulating line rotates, and avoid and drive water flow using water pump, thus preferably
Simulation aquatic organism is not exposed to the actual conditions that water pump vane is repeatedly hit in A/W stream aqueduct, makes to simulate
Testing reflected aquatic organism growth and breeding situation can preferably be consistent with actual conditions.By adjusting simulation pipeline
Rotation time carrys out fashionable colors of the simulated experiment source water in Long-distance Pipeline for Water Conveyance, (i.e. popular by changing rotation time
Time), it can both investigate situation of change of the water quality of source water in the aqueduct of different length from import to outlet, water Chinese medicine
The residual condition of agent and aquatic organism growth and breeding situation, can also investigate fixed length aqueduct in the source water water quality of certain
It is grown with aquatic organism and breeds situation.
In a preferred embodiment, water injection pipe 2, forcing pipe 3 and sampling blow-down pipe 5 simulate 1 shape of pipeline with annular respectively
It at tee tube, and is supervisor with annular simulation pipeline 1, the material of each branch pipe is identical as supervisor, and branch pipe is cut equipped with plastics
Only valve or ball valve.Water injection pipe 2 is the water filling inlet of annular simulation pipeline 1, and source water or the water that water treatment agent is added pass through note
Water pipe 2 is added in annular simulation pipeline 1.By closing valve closed conduct, forcing pipe 3 is connected with air compressor machine 11, to annular
It simulates and simulated water pressure is provided in pipeline 1.
Relative rotation speed of the ultrasonic flowmeter 4 to source water in measure annular simulation pipeline 1, sampling blow-down pipe 5 are used for
It acquires water sample and carries out water quality monitoring, the source water that can be vented in annular simulation pipeline 1 when needing forms blow-down pipe.Pressure gauge 13 is supervised
Survey the hydraulic pressure in annular simulation pipeline 1.
The present apparatus can realize simulation long distance water transfer pipe in laboratory by adjusting the rotation time of annular simulation pipeline 1
Road, and pipeline material similar with practical Long-distance Pipeline for Water Conveyance, inner wall roughness and unglazed closed tube environment are provided.
When practical pipeline uses steel pipe or plastic pipe, the material of annular simulation pipeline 1 is identical as practical pipeline, and anti-corrosion material
It is identical；When practical pipeline uses armored concrete, annular simulation pipeline 1 can be replaced with the steel pipe of interior mortar of cementing.
In another preferred embodiment, the present invention provides long using the simulator simulated determination A/W stream
Along journey change of water quality and the method for aquatic organism growth and breeding situation in aqueduct, method includes the following steps:
A. simulated object is determined: selected institute's A/W stream Long-distance Pipeline for Water Conveyance to be simulated；
B. the simulated object determined according to step a selects the material of annular simulation pipeline 1, determines in annular simulation pipeline 1
Water flow relative velocity and it is different in flow rate under fashionable colors；
C. it closes forcing pipe 3 and samples the valve on blow-down pipe 5, topped up with water in pipeline 1 is simulated toward annular by water injection pipe 2
Source water and medicament, the valve being then shut off on water injection pipe 2；
D. air compressor machine 11 is opened, is pressurizeed in annular simulation pipeline 1 by appendix 12 and forcing pipe 3, pressure gauge 13
Pressure limit is set as 0-0.2MPa；
E. variable frequency drive motors 9 are started, round pallet 6, central drum 8 and annular simulation pipeline 1 start turning；
F. when the registration of ultrasonic flowmeter 4 reaches the water flow relative velocity corresponding flow of step b design, fixed frequency conversion
The revolving speed of driving motor 9；Preset water flow relative velocity range is 0-1.5m/s；
When g. reaching sample time node, variable frequency drive motors 9 are closed, water sample is taken out by sampling blow-down pipe 5, carries out water
Matter Parameter analysis, medicament residue analysis and aquatic organism activity analysis；
H. the variable frequency drive motors that rerun 9 repeat the operation of step e-g；
I. it after all timing nodes sample, opens sampling blow-down pipe 5 and is vented the water in annular simulation pipeline 1.
Easy to operate, the result closing to reality obtained of simulated experiment is carried out using simulator of the present invention.Therefore,
Gravity stream Long-distance Pipeline for Water Conveyance simulator provided by the invention can be good at simulating the gravity stream in Practical Project it is long away from
From aqueduct, can simulate the fashionable colors of Long-distance Pipeline for Water Conveyance, change of water quality, wall roughness, hydrostatic pressure and
Comparative prevalence speed, the change of water quality and water that can be used in laboratory simulation measurement Practical Project middle and long distance aqueduct along journey
Biological growth and breeding situation.
Material involved in the simulator of gravity stream Long-distance Pipeline for Water Conveyance described in embodiment, the model of instrument, factory
Family is as shown in table 1:
Material, the model of instrument and producer in 1 embodiment of table
| Material/instrument | Model | Producer |
| Annular simulation pipeline | DN100, annular diameter 1.5m | Tianjin clock lion plastic processing makes center |
| Ball valve | DN25 | Tianjin Zheng Yuan Plastic Products Co., Ltd |
| Plastic stop valve | DN25 | Tianjin Zheng Yuan Plastic Products Co., Ltd |
| Ultrasonic flowmeter | SITRANS FUP1010 | Siemens AG Representation |
| Round pallet | 304 stainless steels | Tianjin clock lion plastic processing makes center |
| Variable frequency drive motors | YS8022 type 3.0kW | English dragon electromechanical equipment manufacture in Tianjin is limited |
| Air compressor machine | 550W-8L outlet pressure | Taizhou plain Austria dashes forward this Trade Co., Ltd. |
| Pressure gauge | All steel vibration-proof pressure gauge | Tianjin saran automatic instrument(s) Co., Ltd |
| Central drum | Diameter 0.5m, 304 stainless steels | Tianjin clock lion plastic processing makes center |
Embodiment 1
Gravity stream Long-distance Pipeline for Water Conveyance simulator described in the present embodiment is as depicted in figs. 1 and 2, the composition of the device
Including annular simulation pipeline 1, water injection pipe 2, forcing pipe 3, ultrasonic flowmeter 4, sampling blow-down pipe 5, round pallet 6, supporting plate branch
Support 7, central drum 8, variable frequency drive motors 9, frame 10, air compressor machine 11, appendix 12 and pressure gauge 13.
Wherein, annular simulation pipeline 1 and coupled logical water injection pipe 2 and sampling blow-down pipe 5 form pipe element；Circle
Shape supporting plate 6, supporting board carriage 7 and frame 10 form supporting member；Variable frequency drive motors 9 and central drum 8 form dynamic component；
Forcing pipe 3, air compressor machine 11 and appendix 12 form pressing element；Ultrasonic flowmeter 4 and the composition measurement component of pressure gauge 13.
Frame 10 is cube, is the base support component of the present apparatus, variable frequency drive motors 9 are fixed on the bottom surface of frame 10
On, rotor with central drum 8 is concentric is connected, connection type is shaft coupling connection, is driven from there through variable frequency drive motors 9
Heart rotating cylinder 8 rotates.The top of central drum 8 extends to the surface at 6 center of round pallet, and frame 10, which is equipped with, is used for fixed center
The bearing of rotating cylinder 8, central drum 8 are equipped with air compressor machine 11, and air compressor machine 11 is rotated together with central drum 8.Supporting board carriage 7 is total
4, both ends are separately fixed on round pallet 6 and central drum 8, therefore round pallet 6 can be with 8 turns of central drum
It is dynamic.Annular simulation pipeline 1 is fixed on 6 surface of round pallet, and oblong supporting plate 6 rotates together.It can be seen that annular simulation pipe
Road 1, round pallet 6, air compressor machine 11 and the rotational angular velocity having the same of central drum 8.
Annular simulation pipeline 1 is equipped with water injection pipe 2, forcing pipe 3, ultrasonic flowmeter 4, sampling blow-down pipe 5 and pressure gauge
13.Water injection pipe 2, forcing pipe 3 and sampling blow-down pipe 5 form tee tube with annular simulation pipeline 1 respectively, and with annular simulation pipe
Road 1 is supervisor, and the material of each branch pipe is identical as supervisor, is DN100 carbon steel piping.
Water injection pipe 2 and ultrasonic flowmeter 4 are located at the left and right ends of the trans D of annular simulation pipeline 1, sampling emptying
Pipe 5 is located at the right end of annular simulation pipeline 1.Water injection pipe 2 is the water filling inlet of annular simulation pipeline 1, source water or addition water
The water for the treatment of agent is added in annular simulation pipeline 1 by water injection pipe 2, and water injection pipe 2 is equipped with ball valve, annular simulation pipeline 1
The valve need to be closed when closing.
The measurement range of ultrasonic flowmeter 4 is 0m3/h-42.39m3/ h, the caliber that matched annular simulates pipeline 1 are
100mm.Therefore, the adjusting range of the speed of related movement of source water opposed annular simulation pipeline 1 is 0m/s-1.5m/s.
Sampling blow-down pipe 5 carries out water quality monitoring for acquiring water sample, can be used as blow-down pipe emptying annular simulation pipe when needing
Experimental water in road 1.Plastic stop valve is provided on sampling blow-down pipe 5, closed ring need to close the valve when simulating pipeline 1
It closes.
Pressure gauge 13 and forcing pipe 3 are located at the rear and front end of longitudinal diameter of annular simulation pipeline 1, pressure gauge 13
Corrosion resistance is strong, is applicable not only to fresh water transport, it can also be used to the pressure instruction in seawater transport pipeline.The connection of appendix 12 adds
Pressure pipe 3 and air compressor machine 11, diametrically positioned at the annular same for simulating pipeline 1, appendix is wound when avoiding rotation.Air compressor machine
11 pressure obtained by compressed air pass to forcing pipe 3 via appendix 12, and then provide the water in annular simulation pipeline 1
Pressure, and the outlet pressure of air compressor machine 11 is adjustable.Forcing pipe 3 is equipped with ball valve, to provide hydraulic pressure inside annular simulation pipeline 1
When, the ball valve on forcing pipe 3 is opened.Pressure gauge 13 is used to monitor the pressure value of experimental water in annular simulation pipeline 1.
In said device, the material of round pallet 6, supporting board carriage 7, central drum 8 and device frame 10 is stainless
Steel.
Aqueduct simulator described in the present embodiment is utilized when circulating line rotates, and water flow and pipeline are formed relatively
The principle of movement adjusts water flow and annular in annular simulation pipeline 1 by adjusting the frequency shift revolving speed of variable frequency drive motors 9
The speed of related movement for simulating pipeline 1 provides hydraulic pressure, the present apparatus into annular simulation pipeline 1 in conjunction with air compressor machine 11 and forcing pipe 3
The water flow in Practical Project in water delivery by gravity flow pipeline can effectively be simulated, to study in A/W stream aqueduct along journey
Change of water quality and aquatic organism growth and breeding situation.
Embodiment 2
Sodium hypochlorite biocide using gravity stream Long-distance Pipeline for Water Conveyance simulation analysis doses exists with seawater
Concentration decline situation in gravity stream long-distance pipe.Unit simulation Coast of Hebei Province somewhere about 25km gravity stream armored concrete is defeated
Waterpipe, water flow design current velocity is 0m/s~1.50m/s in pipeline, and fashionable colors when maximum flow rate are 277.8min.
Experiment source water is derived from Coast of Hebei Province somewhere engineering sea area, and the water quality parameter of source water is as shown in table 2.
The water quality of 2 source water of table
Annular simulation pipeline 1 uses DN100 carbon steel piping, and process is welded by being segmented bending machining,
Inside pipe wall hand cements mortar with simulating reinforced concrete inner wall of the pipe.When test, keep on sampling blow-down pipe 5 and forcing pipe 3
Valve be in off state, will experiment seawater by funnel by water injection pipe 2 inject annular simulation pipeline 1 in, while according to
Sodium hypochlorite is added in the effective chlorine density of 5.20mg/L.After annular simulation pipeline 1 fills, the valve on water injection pipe 2 is closed.It beats
The valve on forcing pipe 3 is opened, air compressor machine 11 is opened, and the air outlet valve constantly adjusted on air compressor machine 11 reaches 13 registration of pressure gauge
0.12MPa.Starting variable frequency drive motors 9 starts round pallet 6, supporting board carriage 7, central drum 8 and annular simulation pipeline 1
Rotation, reaches experimental design flow 11.87m to 4 registration of ultrasonic flowmeter3When/h (relative velocity 0.42m/s), fixed frequency conversion
9 revolving speed of driving motor, then starts timing.When reaching sample time node, variable frequency drive motors 9 are shut down, and opens take rapidly
Sample blow-down pipe 5 takes out appropriate water sample, is then shut off sampling blow-down pipe 5 and reopens variable frequency drive motors 9, adjusts frequency conversion drive
The revolving speed of motor makes the relative velocity in pipe reach setting value 0.42m/s, continues to test, until gross sample node sample
It finishes.
Chlorine residue analysis is carried out to institute's water sampling, it is relatively fast to obtain sodium hypochlorite biocide water flow in annular simulation pipeline 1
Degree is that the residual quantity (chlorine content) under 0.42m/s after popular different time is as shown in table 3.
Chlorine content of 3 seawater of table after popular different time
By the data of table 3 it is found that with seawater fashionable colors in pipeline lengthening, chlorinity therein constantly declines,
This in Practical Project in gravity stream Long-distance Pipeline for Water Conveyance it is similar using the chlorine residue variation in water in pipeline after chlorine-containing disinfectant,
Therefore, using gravity stream Long-distance Pipeline for Water Conveyance simulator of the present invention in experiment indoor simulation research Practical Project
Aqueduct in change of water quality be reliable.
By adjusting the revolving speed of variable frequency drive motors 9, the relative velocity of water flow in control annular simulation pipeline 1 can be with mould
Lower change of water quality different in flow rate and aquatic organism growth and situation is bred in quasi- gravity stream pipeline.The present apparatus provides closing to reality
Simulated environment, have stronger analog capability.
A specific embodiment of the invention is described above by embodiment, it will be understood by those skilled in the art that on
Literary embodiment is merely for the purpose of citing, it is not considered that limiting the protection scope of the present invention with this, those skilled in the art are not
It can be modified, change or replacement under the premise of disengaging spirit of that invention, still, according to various etc. made by the present invention
With variation, the range that the present invention is covered is still fallen within.
Claims (32)
1. a kind of gravity stream Long-distance Pipeline for Water Conveyance simulator, which is characterized in that it includes pipe element, supporting member, drive
The dynamic component and measurement component of dynamic pipe element rotation, wherein
Pipe element includes that annular simulation pipeline (1), the water injection pipe (2) being connected with annular simulation pipeline (1) and sampling are vented
It manages (5)；
Supporting member includes round pallet (6)；
Dynamic component includes variable frequency drive motors (9) and coupled central drum (8)；
Measuring component includes ultrasonic flowmeter (4)；
Wherein, annular simulation pipeline (1) is fixed on the upper surface of round pallet (6)；One end of central drum (8) extends to
The top at round pallet (6) center；Annular simulation pipeline (1) is equipped with ultrasonic flowmeter (4)；The supporting member further includes
Both ends are individually fixed in the supporting board carriage (7) of central drum (8) and round pallet (6).
2. simulator according to claim 1, which is characterized in that the device further includes the pressurization being connected with pipe element
Component, the pressing element includes interconnected forcing pipe (3), air compressor machine (11) and appendix (12), and is located at annular
Simulate the pressure gauge (13) on pipeline (1).
3. simulator according to claim 2, which is characterized in that the water injection pipe (2) and sampling blow-down pipe (5) equal position
In in annular simulation pipeline (1)；The forcing pipe (3) also is located in annular simulation pipeline (1) and communicates therewith；The appendix
(12) forcing pipe (3) and air compressor machine (11) are connected.
4. simulator according to claim 1, which is characterized in that the supporting member further includes frame (10)；It is described
Variable frequency drive motors (9) are fixed on the bottom surface of frame (10)；
The central drum (8) and variable frequency drive motors (9) are connected or are connect by gear by the way that shaft coupling is concentric.
5. simulator according to claim 2 or 3, which is characterized in that the supporting member further includes frame (10)；Institute
State the bottom surface that variable frequency drive motors (9) are fixed on frame (10)；
The central drum (8) and variable frequency drive motors (9) are connected or are connect by gear by the way that shaft coupling is concentric.
6. simulator according to claim 2 or 3, which is characterized in that the water injection pipe (2), forcing pipe (3) and sampling
Blow-down pipe is equipped with plastic stop valve or ball valve on (5).
7. simulator according to claim 5, which is characterized in that the water injection pipe (2), forcing pipe (3) and sampling are put
Blank pipe is equipped with plastic stop valve or ball valve on (5).
8. simulator according to claim 2 or 3, which is characterized in that the water injection pipe (2), forcing pipe (3) and sampling
Blow-down pipe (5) and annular simulation pipeline (1) are detachable connection.
9. simulator according to claim 5, which is characterized in that the water injection pipe (2), forcing pipe (3) and sampling are put
Blank pipe (5) and annular simulation pipeline (1) are detachable connection.
10. simulator according to claim 6, which is characterized in that the water injection pipe (2), forcing pipe (3) and sampling are put
Blank pipe (5) and annular simulation pipeline (1) are detachable connection.
11. simulator according to claim 7, which is characterized in that the water injection pipe (2), forcing pipe (3) and sampling are put
Blank pipe (5) and annular simulation pipeline (1) are detachable connection.
12. simulator according to claim 2 or 3, which is characterized in that the water injection pipe (2), forcing pipe (3) and take
Sample blow-down pipe (5) is non-disconnectable be fixedly connected with annular simulation pipeline (1).
13. simulator according to claim 5, which is characterized in that the water injection pipe (2), forcing pipe (3) and sampling are put
Blank pipe (5) is non-disconnectable be fixedly connected with annular simulation pipeline (1).
14. simulator according to claim 6, which is characterized in that the water injection pipe (2), forcing pipe (3) and sampling are put
Blank pipe (5) is non-disconnectable be fixedly connected with annular simulation pipeline (1).
15. simulator according to claim 7, which is characterized in that the water injection pipe (2), forcing pipe (3) and sampling are put
Blank pipe (5) is non-disconnectable be fixedly connected with annular simulation pipeline (1).
16. simulator according to claim 1-4, which is characterized in that the material of annular simulation pipeline (1)
Matter, inner wall roughness and tube environment simulate A/W stream Long-distance Pipeline for Water Conveyance；Wherein, the annular simulation pipeline
(1) one of material selection steel pipe, plastic tube, multiple tube or steel pipe of interior mortar of cementing.
17. simulator according to claim 5, which is characterized in that the material of annular simulation pipeline (1), inner wall
Roughness and tube environment simulate A/W stream Long-distance Pipeline for Water Conveyance；Wherein, the material of annular simulation pipeline (1)
Matter selects one of steel pipe, plastic tube, multiple tube or steel pipe of interior mortar of cementing.
18. simulator according to claim 6, which is characterized in that the material of annular simulation pipeline (1), inner wall
Roughness and tube environment simulate A/W stream Long-distance Pipeline for Water Conveyance；Wherein, the material of annular simulation pipeline (1)
Matter selects one of steel pipe, plastic tube, multiple tube or steel pipe of interior mortar of cementing.
19. simulator according to claim 8, which is characterized in that the material of annular simulation pipeline (1), inner wall
Roughness and tube environment simulate A/W stream Long-distance Pipeline for Water Conveyance；Wherein, the material of annular simulation pipeline (1)
Matter selects one of steel pipe, plastic tube, multiple tube or steel pipe of interior mortar of cementing.
20. simulator according to claim 12, which is characterized in that the material of annular simulation pipeline (1), inner wall
Roughness and tube environment simulate A/W stream Long-distance Pipeline for Water Conveyance；Wherein, the material of annular simulation pipeline (1)
Matter selects one of steel pipe, plastic tube, multiple tube or steel pipe of interior mortar of cementing.
21. simulator according to claim 1-4, which is characterized in that the round pallet (6) and center turn
The material of cylinder (8) includes the carbon steel steel of stainless steel or brushing anti-decaying paint.
22. simulator according to claim 5, which is characterized in that the round pallet (6) and central drum (8)
Material includes the carbon steel steel of stainless steel or brushing anti-decaying paint.
23. simulator according to claim 6, which is characterized in that the round pallet (6) and central drum (8)
Material includes the carbon steel steel of stainless steel or brushing anti-decaying paint.
24. simulator according to claim 8, which is characterized in that the round pallet (6) and central drum (8)
Material includes the carbon steel steel of stainless steel or brushing anti-decaying paint.
25. simulator according to claim 12, which is characterized in that the round pallet (6) and central drum (8)
Material includes the carbon steel steel of stainless steel or brushing anti-decaying paint.
26. simulator according to claim 16, which is characterized in that the round pallet (6) and central drum (8)
Material includes the carbon steel steel of stainless steel or brushing anti-decaying paint.
27. defeated over long distances using the described in any item aqueduct simulator simulated determination A/W streams of claim 1-26
Along journey change of water quality and the method for aquatic organism growth and breeding situation in waterpipe, which is characterized in that the method includes following
Step:
A. simulated object is determined: selected institute's A/W stream Long-distance Pipeline for Water Conveyance to be simulated；
B. the simulated object determined according to step a selects the material of annular simulation pipeline (1), determines in annular simulation pipeline (1)
Water flow relative velocity and it is different in flow rate under fashionable colors；
C. the valve on forcing pipe (3) and sampling blow-down pipe (5) is kept to be in close state, by water injection pipe (2) to circular die
Source water and medicament are filled it up in quasi- pipeline (1), after annular simulation pipeline (1) is filled with, are closed water injection pipe (2)；
D. the pressurization in annular simulation pipeline (1)；
E. variable frequency drive motors (9) are started, round pallet (6), central drum (8) and annular simulation pipeline (1) are started turning；
F. when the registration of ultrasonic flowmeter (4) reaches the water flow relative velocity of step b design, fixed variable frequency drive motors
(9) revolving speed；
It when g. reaching sample time node, closes variable frequency drive motors (9), water sample is taken out by sampling blow-down pipe (5) and carries out
Analysis；
H. the variable frequency drive motors that rerun (9) repeat the operation of step e-g；
I. it after all timing nodes sample, opens sampling blow-down pipe (5) and is vented the water in annular simulation pipeline (1).
28. along journey change of water quality and water in simulated determination A/W stream Long-distance Pipeline for Water Conveyance according to claim 27
The method of biological growth and breeding situation, which is characterized in that pressure method described in step d is the valve opened on forcing pipe (3)
Door opens air compressor machine (11) and adjusts air compressor machine (11) so that the registration of pressure gauge (13) reaches test setting pressure.
29. along journey change of water quality and water in simulated determination A/W stream Long-distance Pipeline for Water Conveyance according to claim 28
The method of biological growth and breeding situation, which is characterized in that the test setup pressure value is 0-0.2MPa.
30. according in the described in any item simulated determination A/W stream Long-distance Pipeline for Water Conveyance of claim 27-29 along Cheng Shui
The method of qualitative change and aquatic organism growth and breeding situation, which is characterized in that the water flow in annular simulation pipeline (1) is opposite
Speed is 0-1.5m/s.
31. according in the described in any item simulated determination A/W stream Long-distance Pipeline for Water Conveyance of claim 27-29 along Cheng Shui
The method of qualitative change and aquatic organism growth and breeding situation, which is characterized in that the water sample analysis to all taking-ups includes water quality ginseng
Number analysis, medicament residue analysis and aquatic organism activity analysis.
32. along journey change of water quality and water in simulated determination A/W stream Long-distance Pipeline for Water Conveyance according to claim 30
The method of biological growth and breeding situation, which is characterized in that the water sample analysis to all taking-ups includes water quality parameter analysis, medicament
Residue analysis and aquatic organism activity analysis.
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| CN108344849B (en) * | 2018-02-10 | 2021-04-30 | 国家海洋局天津海水淡化与综合利用研究所 | Long-distance water intaking dynamic test system |
| CN111537643B (en) * | 2020-05-22 | 2022-09-09 | 无锡工艺职业技术学院 | Method for detecting content of heavy metal organic compounds in water in plastic pipeline |
| CN112362830A (en) * | 2020-09-23 | 2021-02-12 | 宁波市自来水有限公司 | Water delivery simulator for raw water pipeline |
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