Summary of the invention
Goal of the invention: the object of the invention is to for the deficiencies in the prior art, there is provided the wawter bloom under a kind of Influence of Water Conservancy Projects the raw Multi-function experimental Study system that disappears, the algae that can realize under level and smooth solid stream of water environment can't harm growing environment, also can the influence of real embodiment upstream and downstream river construction, the single or step river construction Optimized Operation of algal grown change under complicated hydrodynamic condition change, river channels under realizing quantitative study Influence of Water Conservancy Projects, upstream and downstream suppresses the several functions such as wawter bloom effect analysis and prediction.
Technical scheme: the raw Multi-function experimental Study system that disappears of the wawter bloom under Influence of Water Conservancy Projects of the present invention, comprises pretreatment system, dynamic water circulation experimental bench, dynamic water regulator control system and monitoring analysis system, wherein:
Described pretreatment system be used for for dynamic water circulation experimental bench provide different background concentration containing algae experimental water, comprise algae-containing water and cultivate unit, substrate water memory cell, experimental water engagement unit and water delivery unit; It is algae culture device that described algae-containing water cultivates unit, be made up of transparent culture tank, magnetic mixer, lighting unit, inflator pump and cultivation controller, there is provided algae concentration to be the algae-containing water of c by water delivery unit to experimental water engagement unit, c is not less than 0.3mg/L; Described substrate water memory cell is water tank, and to cultivate unit in parallel with algae-containing water, provides not containing the substrate water of algae by water delivery unit to experimental water engagement unit, and described substrate water is clean water or the water body containing certain nitrogen concentration and certain phosphorus concentration; Described experimental water engagement unit is closed tank, and there are two water inlets front side, and cultivate unit respectively by water delivery unit and algae-containing water and be connected with substrate water memory cell, rear side has a delivery port, is connected with dynamic water circulation experimental bench by water delivery unit;
Described dynamic water circulation experimental bench can't harm growing environment for the algae realized under level and smooth solid stream of water environment, comprises the harmless circulatory system, jacking system and dynamical system; The described harmless circulatory system is communicated with by two head and the tail, the device of arranged in parallel forms, and each device comprises successively: catch basin, catch basin linkage section, supply flume, supply flume linkage section, experimental tank, experimental tank linkage section; Described experimental tank linkage section is connected with the catch basin of another device again, forms circulation; Supply flume wherein contained by each device has two, located side by side; Described jacking system comprises catch basin position sensor, supply flume position sensor, experimental tank position sensor, supply flume water level sensor, supply flume fixed head and supply flume elevator; Described dynamical system comprises supply flume movable floor, movable floor position sensor and movable floor elevator; The water-holding capacity of described catch basin is greater than the water-holding capacity sum of two supply flumes, and the side that catch basin is connected with catch basin linkage section is provided with two parallel catch basin gates, and can control lifting in vertical direction, its position is relative with arranged side by side two supply flumes respectively; Described catch basin linkage section is fixed in the downstream part of catch basin base plate and catch basin gate, and wetted surfaces adopts streamlined, and downstream end is equipped with supply flume position sensor; Described supply flume linkage section is arranged on experimental tank one end near supply flume, can adjust position by the vertical direction by the effect of guide rail and roller, and wetted surfaces adopts streamlined; Described experimental tank linkage section is arranged on the one end of the catch basin that experimental tank is organized near another, can adjust position by the vertical direction by the effect of guide rail and roller, and wetted surfaces adopts streamlined; Described two supply flumes are set up in parallel, be close to experimental tank side and be provided with supply flume gate, lifting can be controlled in vertical direction, the side roof part being close to catch basin is provided with catch basin position sensor, the side roof part being close to experimental tank is provided with experimental tank position sensor, and the side plate inwall of supply flume is provided with supply flume water level sensor, movable floor location sensitive upper change point and movable floor location sensitive lower-limit point; Be provided with adjustable bolt bottom described experimental tank, can regulate bottom of gullet gradient as requested, experimental tank is near one end of supply flume, and top is provided with two supply flume position sensors corresponding two supply flumes respectively; The supply flume elevator of described supply flume fixed head and below is affixed, supply flume fixed head is mounted with movable floor elevator, described supply flume movable floor is fixedly connected with the movable floor elevator of below, and the edge of described supply flume movable floor is provided with movable floor position sensor;
Described dynamic water regulator control system comprises upstream water conservancy engineering simulation unit and downstream water conservancy engineering simulation unit, directly selects the members of dynamic water circulation experimental bench to form; Described upstream water conservancy engineering simulation unit carrys out the supply flume of flow path direction upstream, described dynamic water circulation experimental bench and supply flume gate is formed by being positioned at experimental tank, can experimentally in the upstream water conservancy Project Scheduling operating mode of setting, simulate river-like reservoir upstream river construction inlet flow rate change procedure by regulating the water supply flow of supply flume; Described downstream water conservancy engineering simulation unit by be positioned at experimental tank water (flow) direction downstream, the catch basin of described dynamic water circulation experimental bench and catch basin gate form, can the downstream water conservancy Project Scheduling operating mode of experimentally operating mode setting, simulate river-like reservoir downstream river construction outflow change procedure by regulating the water supply flow of supply flume;
Described monitoring analysis system comprises several level sensors, current meter, flowmeter, video sensor and chlorophyll fluorescence instrument, is connected with calculator by circuit; Described flowmeter is used for water level, flow velocity and changes in flow rate in real-time monitoring test tank, equidistant placement at the madial wall of experimental tank, the space D≤0.2m of same instruments; Described video sensor is arranged on top and the outside of experimental tank, for fluidised form overall in acquisition test tank and the apparent vision signal of wawter bloom; Described chlorophyll fluorescence instrument is arranged on the top of experimental tank, for measuring the algae concentration change in time and space in experimental tank under Influence of Water Conservancy Projects.
Further, each intake-outlet of described experimental water engagement unit all arranges the valve controlling current size, and experimentally required water quality background concn, introduces algae-containing water and substrate water by different proportion, mix rear supply and move water circulation experimental bench; Wherein, the computational methods of the water yield mixed proportion μ of algae-containing water and substrate water are:
c in formula
closealgae concentration needed for experimental water, c be algae-containing water cultivate unit the algae concentration of algae-containing water is provided.
Preferably, described water delivery unit is clear flexible material water-supply-pipe, and nearly horizontal small angle inclination is settled on the top of the shelf, avoids that inclination angle is excessive occurs that torrent affect alga cells activity in water.
Preferably, described supply flume water level sensor distance supply flume top edge 5cm, be water level when supply flume stores full water, described movable floor location sensitive upper change point and movable floor location sensitive lower-limit point can in the vertical direction adjustment positions.
Preferably, described supply flume elevator and movable floor elevator are spiral lifting structure.
The operation method of the raw Multi-function experimental Study system that disappears of the wawter bloom under the Influence of Water Conservancy Projects described in utilization, wherein:
The algae that dynamic water circulation experimental bench runs to realize under level and smooth solid stream of water as follows can't harm growing environment:
(1-1) preparation before experimental bench operation: the setting depth of water of catch basin is H
1, the setting depth of water of experimental tank is h; Have one to be in service position in two supply flumes arranged side by side, the experimental tank position sensor on it contacts with the supply flume position sensor on experimental tank;
For the required flow rate v of experimental tank in experimental design working condition, now corresponding water requirements flow Q is: Q=v (hb
3), in formula, b
3for the width of experimental tank;
For meeting this water requirements flow Q, the first position of operation adjustment movable floor location sensitive upper change point, makes the supply flume water level sensor distance of movable floor location sensitive upper change point and top be H
2, H
2can be drawn by Lei Baike weir flow computing formula:
In formula, Q is water requirements flow, b
2for the width of supply flume gate, P
2for the discrepancy in elevation on supply flume gate opening late gate between edge and supply flume movable floor;
(1-2) operating water-supply control is tested: the supply flume gate being in the supply flume of service position declines immediately, make on its gate along with movable floor location sensitive upper change point at same elevation, simultaneously supply flume movable floor elevator promotes supply flume movable floor with certain speed v
dupwards move with uniform velocity, the water supply flow under this state is above-mentioned water requirements flow Q, wherein movement velocity v
dfor:
v
d=Q/A
d
Wherein, Q is water requirements flow, A
dfor the area of supply flume movable floor;
In this process, current flow into experimental tank, until movable floor position sensor and movable floor location sensitive upper change point meet with constant flow rate Q; Now, close the supply flume gate of this supply flume at once, then by another supply flume according to step (1) and the water supply process repeating last supply flume;
(1-3) operating method for supplementing water is tested: when the supply flume of the former enforcement water supply work in step (1-2) stops supplying water and after closing its supply flume gate, this supply flume moves down under the effect of supply flume elevator, until the supply flume position sensor on its top catch basin position sensor and catch basin linkage section meets; Current flow into this supply flume via catch basin linkage section, refill flow Q
rfor:
Wherein, e is the aperture of catch basin gate, and H is the depth of water in catch basin, and μ is the discharge coefficient of lock hole free discharge, b
1for the water width excessively of catch basin gate;
Catch basin gate should keep certain aperture e, makes flow Q
rmeet following condition:
V/Q
r+ t<V/Q, wherein V=A
d× h
d
Wherein V is the confession water capacity of supply flume, h
dfor depth of water when supply flume stores full, t is the time of supply flume at supply flume elevator move under influence; Q is the water requirements flow of supply flume;
While supply flume water receiving, supply flume movable floor declines, and decrease speed should at 1.0 ~ 1.1Q
r/ A
dscope in, with the unlikely spilling of the water in assure feed water groove; When movable floor position sensor and movable floor location sensitive lower-limit point are met, and when in supply flume, water level goes up to supply flume water level sensor, catch basin gate is closed immediately, supply flume upwards promotes by supply flume elevator, until stop when the supply flume position sensor that experimental tank position sensor and experimental tank linkage section are arranged meets, carrying out supplies water prepares;
After another supply flume supplied water supplies water stopping, starting the supply flume that this moisturizing completes, continue to supply water according to step (1-1) and (1-2); Two ends catch basin and supply flume all by above-mentioned flow process motion, form the closed circuit of current; Owing to not completing water circulation by the mechanical device such as water pump or waterwheel in above-mentioned steps, effectively prevent mechanical device and the destruction of algae and water cell is disturbed;
Dynamic water regulator control system runs to realize the experimental study of river construction management and running on the raw impact that disappears of wawter bloom by the following method:
(2-1) can't harm growing environment according to the operation method of described dynamic water circulation experimental bench with the algae realized under level and smooth solid stream of water;
(2-2) and then, according to the scheduling scheme of actual middle and upper reaches or downstream or step river construction, the letdown flow change procedure of the single or combination river construction of namely actual upstream and downstream, according to model scale, the letdown flow of actual river construction is converted to the letdown flow process of model middle and upper reaches river construction analogue unit and downstream water conservancy engineering simulation unit; When concrete operations, preferably whole research cycle is divided into some periods, regulate within each period and keep the letdown flow of upstream water conservancy engineering simulation unit or downstream water conservancy engineering simulation unit to be certain value, in Different periods, letdown flow is then by presetting change procedure adjustment;
(2-3) simultaneously, start in monitoring analysis system Real Time Monitoring Different periods, the situation of hydrodynamic force Summing Factor algae and water concentration changes with time under river construction scheduling operating mode, under the different regulation and control scheme in upstream or downstream or step river construction of analyzing and researching accordingly, the life of wawter bloom disappears situation.
Compared with prior art, its beneficial effect is in the present invention:
(1) the present invention takes full advantage of fluid mechanics principle and signal of telecommunication trigger theory, need by the conventional mechanical means such as water pump or waterwheel, just can realize the functions such as circulating water chennel ejectment water, bottom horizontal flow sheet, effectively avoiding mechanical device to disturb the destruction of algae and water cell, is the harmless experimental system of a kind of algal physiology activity;
(2) the present invention passes through the new design of channel flow linkage section and elevator, both ensure that the level and smooth continuous-flow of current in tank, also accurately can regulate and control change in flow, guarantee is provided to the certainty of measurement of wawter bloom ecological process under the different river channels of research; Adopt symmetrical mounting layout, two groups of experiments can be carried out simultaneously;
(3) the present invention devises flexible and efficient pretreatment system, devise algae-containing water to be separated with substrate water and to cultivate decomposite pattern, can for different Task and target thereof, experimental water under different background algae concentration, different nutriments concentration or physical condition is provided, easy to operate, applicability is wide;
(4) the present invention is not affecting under the algae under above-mentioned level and smooth solid stream of water environment can't harm growing environment technology prerequisite, the impact that designed river construction regulation device can simulate the hydrodynamic condition change under Influence of Water Conservancy Projects efficiently and accurately and disappear on wawter bloom life, China's surface water quality problem of more fitting is subject to the actual conditions of strong artificial disturbance, has broad application prospects;
(5) the present invention serves many purposes: when water velocity one timing in experimental tank, can as the raw test research device disappeared of wawter bloom under the desirable circumstance of flowing water of research; When changing the flow controlling upstream and downstream river construction analogue unit, the life of wawter bloom under single or the different regulation and control scheme of step river construction can be studied and to disappear situation, for the ecological dispatching scheme formulating river construction provides reference; Artificial interior ripple can also be produced by switching fast single river construction analogue unit, for study reservoir operate in downstream water produce in ripple to the inhibition of wawter bloom.
Embodiment
Below technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to described embodiment.
Embodiment 1: the raw change experimental study that disappears of wawter bloom under desirable river channels
In the present embodiment, entire system schematic diagram of the present invention as shown in Figure 1, as shown in Figure 2, cultivate unit 1001 and adopt PB250 algae large-scale incubator the structure and fuction schematic diagram of system, and substrate water memory cell 1002 is volume 5m by algae-containing water of the present invention
3water butt, be 200cm with the length and width of water engagement unit 1003, high 100cm.Move the structural representation of water circulation experimental bench 2 as shown in Fig. 3 to Fig. 6, the wherein long 100cm of catch basin 2001, wide 50cm, dark 85cm; The projected length of catch basin linkage section 2002 horizontal direction and vertical direction is 10cm; The wide 25cm of supply flume 2003, dark 85cm, along experimental tank direction length 80cm; The projected length of supply flume linkage section 2004 level and vertical direction is 10cm, experimental tank 2005 length 500cm, wide 50cm, dark 80cm; The projected length of experimental tank linkage section 2006 level and vertical direction is 20cm.Monitoring instrument contained by monitoring analysis system 4 makes the space D of identical monitoring instrument be 10cm when arranging.
The process of cultivating under utilizing the present invention to carry out algae river channels is as follows:
(1) adjust the parameter such as illumination, temperature that algae-containing water cultivates unit 1001, make the algae concentration c of algae-containing water be about 1mg/L.Due to the setting algae concentration c of experimental water
close=0.2mg/L, then algae-containing water and substrate water water yield ratio
the flow control valve of two water inlets on front side of regulation experiment use water engagement unit 1003, makes the ratio of the flow of algae-containing water and substrate water be 1:4.After water body fully mixes, open the delivery port on rear side of experimental water engagement unit 1003, experimental water is supplied to the catch basin 2001 of dynamic water circulation experimental bench 2, until the water level of each tank all reaches requirement, close delivery port.
(2) in the experimental tank 2005 experimentally set, required experimental flow rate is v=0.02m/s, and the experiment depth of water is h=45cm, then the required water requirements flow of experiment is:
Q=v (hb
3)=0.02 × (0.45 × 0.5)=4.5 × 10
-3(m
3/ s), the bolt under Adjustment Tests tank 2005, makes current in experimental tank 2005 be open channel uniform flow.
(3) adjust the position of supply flume water level sensor 2014, make it apart from supply flume top along 5cm.H is calculated according to the sharp-crested weir stream calculation formula mentioned in summary of the invention and water requirements flowmeter
2, adjustment movable floor location sensitive upper change point 2201, is located at distance H below supply flume water level sensor 2104
2place, arrange supply flume gate 2102 falling head is 5cm+H simultaneously
2.
(4) start dynamic water circulation experimental bench 2, its process is as follows:
(1) depth of water of each tank is checked, i.e. the depth of water H of two ends catch basin 2001
1=20cm, the depth of water h=45cm of experimental tank 2005, in supply flume 2003, the depth of water is 50cm, and four supply flumes 2003 are all in water supply position.
(2) water supply starts, respectively there is supply flume 2003 water supply start at experimental bench two ends, and the supply flume gate 2102 on it declines, simultaneously, supply flume movable floor elevator 2023 promotes supply flume movable floor 2021 upwards uniform motion, and duty water is constant.
(3) after supply flume movable floor 2021 arrives movable floor location sensitive upper change point 2201, the supply flume gate 2102 of this supply flume 2003 is closed, the supply flume gate 2102 of another supply flume 2003 is opened, and continues the water supply process of last supply flume 2003.Meanwhile, the supply flume 2003 of end of having supplied water drops to catch basin and puts by water level under the effect of supply flume elevator 2016, and namely catch basin position sensor 2011 contacts with the supply flume position sensor 2012 on catch basin linkage section 2002.
(4) behind supply flume 2003 in-position declined, catch basin gate 2101 on the other side is opened, current flow into supply flume 2003 via catch basin linkage section 2002, supply flume movable floor 2021 uniform descent, in supply flume 2003 water level go up to supply flume water level sensor 2104 and supply flume movable floor 2021 drops to movable floor location sensitive lower-limit point 2202 time, catch basin gate 2101 is closed at once.
(5) again supply flume 2003 is moved to water supply position by supply flume elevator 2016, namely experimental tank position sensor 2013 contacts with the supply flume position sensor 2012 on experimental tank 2005.
(6) the above process that circulates can obtain steady and continuous water supply by guarantee test tank, flow direction process for: in the catch basin 2001 of testing stand one end, institute's retaining flows to supply flume 2003 by catch basin linkage section 2002, experimental tank 2005 is entered after supply flume linkage section 2004 is smooth-going, then the catch basin 2001 of the other end is flowed to by experimental tank linkage section 2006, recirculation flow, through corresponding another group catch basin linkage section 2002, supply flume 2003, supply flume linkage section 2004, experimental tank 2005, experimental trough linkage section 2006, so moves in circles.
(5) in experimental tank 2005 after waterflow stabilization, start each level sensor 4001, current meter 4002, flowmeter 4003, video sensor 4004, the chlorophyll fluorescence instrument 4005 of monitoring analysis system 4, by Monitoring Data real-time Transmission to calculator 4006, draw the situation of each hydrodynamic force Summing Factor algae and water concentration changes with time, analysis and research affect the raw hydrodynamic condition feature disappeared of wawter bloom accordingly.
Embodiment 2: the raw Changeement that disappears of step river construction different regulation and control scheme lower storage reservoir wawter bloom
In the present embodiment, entire system schematic diagram of the present invention as shown in Figure 1, as shown in Figure 2, cultivate unit 1001 and adopt PB250 algae large-scale incubator the structure and fuction schematic diagram of system, and substrate water memory cell 1002 is volume 5m by algae-containing water of the present invention
3water butt, be 200cm with the length and width of water engagement unit 1003, high 100cm.Move the structural representation of water circulation experimental bench 2 as shown in Fig. 3 to Fig. 6, the long 100cm of catch basin 2001, wide 50cm, dark 85cm; The projected length of catch basin linkage section 2002 horizontal direction and vertical direction is 10cm; The wide 25cm of supply flume 2003, dark 85cm, along experimental tank direction length 80cm; The projected length of supply flume linkage section 2004 level and vertical direction is 10cm, experimental tank 2005 length 500cm, wide 50cm, dark 80cm; The projected length of experimental tank linkage section 2006 level and vertical direction is 20cm.The space D of identical monitoring instrument is 10cm.
The present invention is utilized to carry out the disappear process of situation research of the life of wawter bloom under the different regulation and control scheme of step river construction as follows:
(1) water-filling pretreatment: adjustment algae-containing water cultivates the parameter such as illumination, temperature of unit 1001, makes the algae concentration c of algae-containing water be about 1mg/L.The algae concentration c of setting experimental water
close=0.2mg/L, then algae-containing water and substrate water water yield ratio
the flow control valve of two water inlets on front side of regulation experiment use water engagement unit 1003, makes the ratio of the flow of algae-containing water and low quality water be 1:4.After water body fully mixes, open the delivery port on rear side of experimental water engagement unit 1003, current are supplied to the catch basin 2001 of dynamic water circulation experimental bench 2, until the water level of each tank all reaches requirement.
(2) scheduling scheme is determined: according to the letdown flow process of actual step river construction upstream and downstream river construction, according to the letdown flow process of upstream and downstream river construction analogue unit in model scale determination experimentation.If the letdown flow of upstream river construction i-th period is Q
upper i, the letdown flow of downstream river construction i-th period is Q
lower i, wherein i=1,2 ..., the time hop count that t, t divides by the dispatching cycle.
(3) dynamic water circulation starts (for each period i):
(1) adjusting movable floor location sensitive upper change point 2201 position below the supply flume water level sensor 2014 corresponding to upstream water conservancy engineering simulation unit 3001, making movable floor location sensitive upper change point 2201 apart from the supply flume water level sensor 2014 of top apart from being H
2, H
2can be drawn by Lei Baike weir flow computing formula:
Q=Q in formula
upper i, b
2for the width of supply flume gate 2102, P
2for the discrepancy in elevation on late gate between edge and supply flume movable floor 2021 opened by supply flume gate 2102.
(2) the supply flume gate 2102 of the supply flume 2003 being in service position corresponding to upstream water conservancy engineering simulation unit 3001 declines immediately, make on its gate along with movable floor location sensitive upper change point 2201 at same elevation, the water supply flow under this state is Q
upper i; Meanwhile, supply flume movable floor elevator 2023 promotes supply flume movable floor 2021 with certain speed v
dupwards move with uniform velocity, movement velocity is:
v
d=Q/A
d
Wherein, Q=Q
upper i, A
dfor the area of supply flume movable floor 2021;
In this process, current flow into the experimental tank 2005 corresponding to upstream water conservancy engineering simulation unit 3001 with constant flow rate Q, until movable floor position sensor 2022 and movable floor location sensitive upper change point 2201 meet; Now, close the supply flume gate 2102 of this supply flume 2003 at once, then repeated the water supply process of last supply flume 2003 by another supply flume 2003 according to step (1) and (2).
(3) when the supply flume 2003 of the former enforcement water supply work in step (2) stops supplying water and after closing its supply flume gate 2102, this supply flume 2003 moves down under the effect of supply flume elevator 2016, until its top catch basin position sensor 2011 meets with the supply flume position sensor 2012 on catch basin linkage section 2002; Current flow into this supply flume 2003, refill flow Q via catch basin linkage section 2002
rfor:
Wherein, e is the aperture of catch basin gate 2101, and H is the depth of water in catch basin 2001, and μ is the discharge coefficient of lock hole free discharge, b
1for the water width excessively of catch basin gate 2101;
Catch basin gate 2101 should keep certain aperture e, makes flow Q
rmeet following condition:
V/Q
r+ t<V/Q, wherein V=A
d× h
d
Wherein V is the confession water capacity of supply flume 2003, h
dfor depth of water when supply flume 2003 stores full, t is the time of supply flume 2003 at supply flume elevator 2016 move under influence; Q is the water requirements flow of supply flume 2003;
While supply flume 2003 water receiving, supply flume movable floor 2021 declines, and decrease speed should at 1.0 ~ 1.1Q
r/ A
dscope in, with the unlikely spilling of the water in assure feed water groove 2003; When movable floor position sensor 2022 and movable floor location sensitive lower-limit point 2202 are met, and when in supply flume 2003, water level goes up to supply flume water level sensor 2014, catch basin gate 2101 is closed immediately, supply flume 2003 upwards promotes by supply flume elevator 2016, until stop when the supply flume position sensor 2012 that experimental tank position sensor 2013 and experimental tank linkage section 2004 are arranged meets, carrying out preparation of supplying water.After another supply flume 2003 supplied water supplies water stopping, starting the supply flume 2003 that this moisturizing completes, continue to supply water according to step (1) and (2).
(4) similar with upstream water conservancy engineering simulation unit 3001, the letdown flow Q of downstream water conservancy engineering simulation each period of unit 3002
lower ialso operate according to the process of step (1) to (3).Upstream and downstream river construction analogue unit runs simultaneously, according to the actual flow process control manipulation respectively of himself Different periods i, go out the scheduling change of reservoir upstream and downstream with accurate simulation, and then in experimental tank 2005, form the hydrodynamic condition of step river construction under design regulation and control scheme.
(4) wawter bloom monitoring analysis: at Different periods, each level sensor 4001, current meter 4002, flowmeter 4003, video sensor 4004, the chlorophyll fluorescence instrument 4005 of monitoring analysis system 4 is started in experimental tank 2005 periodically, by Monitoring Data real-time Transmission to calculator 4006, draw the situation of the lower each hydrodynamic force Summing Factor algae and water concentration changes with time of reservoir dispatching impact, under the different regulation and control scheme of step river construction of analyzing and researching accordingly, the life of wawter bloom disappears situation.
Embodiment 3: implement artificial interior ripple to the inhibition research of wawter bloom via river construction regulation and control
In the present embodiment, entire system schematic diagram of the present invention as shown in Figure 1, as shown in Figure 2, cultivate unit 1001 and adopt PB250 algae large-scale incubator the structure and fuction schematic diagram of system, and substrate water memory cell 1002 is volume 5m by algae-containing water of the present invention
3water butt, be 200cm with the length and width of water engagement unit 1003, high 100cm.Move the structural representation of water circulation experimental bench 2 as shown in Fig. 3 to Fig. 6, the long 100cm of catch basin 2001, wide 50cm, dark 85cm; The projected length of catch basin linkage section 2002 horizontal direction and vertical direction is 10cm; The wide 25cm of supply flume 2003, dark 85cm, along experimental tank direction length 80cm; The projected length of supply flume linkage section 2004 level and vertical direction is 10cm, experimental tank 2005 length 500cm, wide 50cm, dark 80cm; The projected length of experimental tank linkage section 2006 level and vertical direction is 20cm.The space D of identical monitoring instrument is 10cm.
The present invention is utilized to carry out the process of ripple to the inhibition research of wawter bloom in water body as follows:
(1) water-filling pretreatment: adjustment algae-containing water cultivates the parameter such as illumination, temperature of unit 1001, makes the algae concentration c of algae-containing water be about 1mg/L.The algae concentration c of setting experimental water
close=0.2mg/L, then algae-containing water and substrate water water yield ratio
the flow control valve of two water inlets on front side of regulation experiment use water engagement unit 1003, makes the ratio of the flow of algae-containing water and low quality water be 1:4.After water body fully mixes, open the delivery port on rear side of experimental water engagement unit 1003, current are supplied to the catch basin 2001 of dynamic water circulation experimental bench 2, until the water level of each tank all reaches requirement.
(2) interior ripple scheme is determined: the principle that can produce artificial interior ripple according to river construction dynamic regulation letdown flow at downstream water, by the letdown flow design process corresponding to artificial interior ripple scheduling scheme according to model scale, determine the letdown flow process drawing upstream water conservancy engineering simulation unit 3001.If the letdown flow of upstream river construction i-th period is Q
upper iwherein i=1,2 ..., the time hop count that t, t divides by the dispatching cycle.
(3) dynamic water circulation starts (for each period i):
(1) adjusting movable floor location sensitive upper change point 2201 position below the supply flume water level sensor 2014 corresponding to upstream water conservancy engineering simulation unit 3001, making movable floor location sensitive upper change point 2201 apart from the supply flume water level sensor 2014 of top apart from being H
2, H
2can be drawn by Lei Baike weir flow computing formula:
Q=Q in formula
upper i, b
2for the width of supply flume gate 2102, P
2for the discrepancy in elevation on late gate between edge and supply flume movable floor 2021 opened by supply flume gate 2102.
(2) the supply flume gate 2102 of the supply flume 2003 being in service position corresponding to upstream water conservancy engineering simulation unit 3001 declines immediately, make on its gate along with movable floor location sensitive upper change point 2201 at same elevation, the water supply flow under this state is Q
upper i; Meanwhile, supply flume movable floor elevator 2023 promotes supply flume movable floor 2021 with certain speed v
dupwards move with uniform velocity, movement velocity is:
v
d=Q/A
d
Wherein, Q=Q
upper i, A
dfor the area of supply flume movable floor 2021;
In this process, current flow into the experimental tank 2005 corresponding to upstream water conservancy engineering simulation unit 3001 with constant flow rate Q, until movable floor position sensor 2022 and movable floor location sensitive upper change point 2201 meet; Now, close the supply flume gate 2102 of this supply flume 2003 at once, then repeated the water supply process of last supply flume 2003 by another supply flume 2003 according to step (1) and (2).
(3) when the supply flume 2003 of the former enforcement water supply work in step (2) stops supplying water and after closing its supply flume gate 2102, this supply flume 2003 moves down under the effect of supply flume elevator 2016, until its top catch basin position sensor 2011 meets with the supply flume position sensor 2012 on catch basin linkage section 2002; Current flow into this supply flume 2003, refill flow Q via catch basin linkage section 2002
rfor:
Wherein, e is the aperture of catch basin gate 2101, and H is the depth of water in catch basin 2001, and μ is the discharge coefficient of lock hole free discharge, b
1for the water width excessively of catch basin gate 2101;
Catch basin gate 2101 should keep certain aperture e, makes flow Q
rmeet following condition:
V/Q
r+ t<V/Q, wherein V=A
d× h
d
Wherein V is the confession water capacity of supply flume 2003, h
dfor depth of water when supply flume 2003 stores full, t is the time of supply flume 2003 at supply flume elevator 2016 move under influence; Q is the water requirements flow of supply flume 2003;
While supply flume 2003 water receiving, supply flume movable floor 2021 declines, and decrease speed should at 1.0 ~ 1.1Q
r/ A
dscope in, with the unlikely spilling of the water in assure feed water groove 2003; When movable floor position sensor 2022 and movable floor location sensitive lower-limit point 2202 are met, and when in supply flume 2003, water level goes up to supply flume water level sensor 2014, catch basin gate 2101 is closed immediately, supply flume 2003 upwards promotes by supply flume elevator 2016, until stop when the supply flume position sensor 2012 that experimental tank position sensor 2013 and experimental tank linkage section 2004 are arranged meets, carrying out preparation of supplying water.After another supply flume 2003 supplied water supplies water stopping, starting the supply flume 2003 that this moisturizing completes, continue to supply water according to step (1) and (2), form the artificial interior ripple scheduling scheme of upstream river construction.
(4) interior ripple inspection: start level sensor 4001, current meter 4002, flowmeter 4003, the video sensor 4004 in the experimental tank 2005 corresponding to upstream water conservancy engineering simulation unit 3001, by Monitoring Data real-time Transmission to calculator 4006, whether the HYDRODYNAMIC CHARACTERISTICS in inspection experimental trough 2005, formed stable artificial interior ripple by computer real-time monitoring water level and change in flow analysis.
(5) wawter bloom monitoring analysis: after forming artificial interior ripple in experimental tank 2005, start the corresponding chlorophyll luminoscope 4005 of monitoring analysis system 4, by Monitoring Data real-time Transmission to calculator 4006, draw the situation of algae and water concentration changes with time, artificial interior ripple of can analyzing and researching accordingly is to the inhibition of wawter bloom.
As mentioned above, although represented with reference to specific preferred embodiment and described the present invention, it shall not be construed as the restriction to the present invention self.Under the spirit and scope of the present invention prerequisite not departing from claims definition, various change can be made in the form and details to it.