Summary of the invention
Goal of the invention: the object of the invention is to for the deficiencies in the prior art, wawter bloom life under a kind of Influence of Water Conservancy Projects Multi-function experimental Study system that disappears is provided, can realize the harmless growing environment of algae under level and smooth solid stream of water environment, also influence that can the river construction of real embodiment upstream and downstream, realizes that complicated hydrodynamic condition under quantitative study Influence of Water Conservancy Projects changes, algal grown changes under moving water condition, the single or step river construction Optimized Operation of upstream and downstream suppresses the several functions such as wawter bloom effect analysis and prediction.
Technical scheme: the Multi-function experimental Study system that disappears of the wawter bloom life under Influence of Water Conservancy Projects of the present invention, comprise pretreatment system, moving water circulation experimental bench, moving water regulator control system and monitoring analysis system, wherein:
Described pretreatment system be used to moving water circulation experimental bench provide different background concentration containing algae experimental water, comprise that algae-containing water cultivates unit, substrate water memory cell, experimental water engagement unit and water delivery unit; It is algae culture device that described algae-containing water is cultivated unit, formed by transparent culture tank, magnetic mixer, lighting unit, inflator pump and cultivation controller, providing chlorophyll concentration by water delivery unit to experimental water engagement unit is the algae-containing water of c, and c is not less than 0.3mg/L; Described substrate water memory cell is water tank, in parallel with algae-containing water cultivation unit, provides the not substrate water containing algae by water delivery unit to experimental water engagement unit, and described substrate water is clean water or contains certain nitrogen concentration and the water body of certain phosphorus concentration; Described experimental water engagement unit is closed tank, and there are two water inlets front side, cultivates unit be respectively connected with substrate water memory cell by water delivery unit and algae-containing water, and rear side has a delivery port, is connected with moving water circulation experimental bench by water delivery unit;
Described moving water circulation experimental bench, for realizing the harmless growing environment of algae under level and smooth solid stream of water environment, comprises the harmless circulatory system, jacking system and dynamical system; The installation composition that the described harmless circulatory system is communicated with, is walked abreast and settle by two head and the tail, 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; Wherein each installs contained supply flume two, settles 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, can be in vertical direction control lifting, and its position is relative with two supply flumes arranged side by side 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 experimental tank one end near the catch basin of another group, 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, rely on experimental tank one side and be provided with supply flume gate, can be in vertical direction control lifting, a side roof part that relies on catch basin is provided with catch basin position sensor, a side roof part that relies on 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; Described experimental tank bottom is provided with adjustable bolt, can regulate bottom of gullet gradient as requested, and experimental tank is near one end of supply flume, and top is provided with respectively corresponding two supply flumes of two supply flume position sensors; The supply flume elevator of described supply flume fixed head and below is affixed, on supply flume fixed head, be 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 moving water regulator control system comprises water conservancy engineering simulation unit, upstream and water conservancy engineering simulation unit, downstream, directly selects the part module composition of moving water circulation experimental bench; Water conservancy engineering simulation unit, described upstream is made up of the supply flume and the supply flume gate that are positioned at experimental tank and come moving water circulation experimental bench flow path direction upstream, described, can, according to the upstream water conservancy Project Scheduling operating mode of setting in experiment, simulate river-like reservoir upstream river construction inlet flow rate change procedure by the water supply flow that regulates supply flume; Described water conservancy engineering simulation unit, downstream forms by being positioned at catch basin experimental tank water (flow) direction downstream, described moving water circulation experimental bench and catch basin gate, the downstream water conservancy Project Scheduling operating mode that can set according to experiment condition, simulates river-like reservoir downstream river construction outflow change procedure by the water supply flow that regulates 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 for water level, flow velocity and changes in flow rate in real-time monitoring test tank, and equidistant placement is 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 the apparent vision signal of overall fluidised form and wawter bloom in acquisition test tank; Described chlorophyll fluorescence instrument is arranged on the top of experimental tank, for measuring the chlorophyll concentration change in time and space under Influence of Water Conservancy Projects in experimental tank.
Further, each intake-outlet of described experimental water engagement unit all arranges the valve of controlling current size, and the water quality background concn required according to experiment, introduces algae-containing water and substrate water by different proportion, mixes the moving water circulation experimental bench of rear supply; Wherein, the computational methods of the water yield mixed proportion μ of algae-containing water and substrate water are:
c in formula
closefor the required algae concentration of experimental water, the algae concentration that c cultivates for algae-containing water algae-containing water that unit provides.
Preferably, described water delivery unit is transparent 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 affects alga cells activity in water.
Preferably, described supply flume water level sensor is apart from supply flume top edge 5cm, the water level while holding full water for supply flume, and described movable floor location sensitive upper change point and movable floor location sensitive lower-limit point can be adjusted position by the vertical direction.
Preferably, described supply flume elevator and movable floor elevator are spiral lifting structure.
Utilize the disappear operation method of Multi-function experimental Study system of wawter bloom life under described Influence of Water Conservancy Projects, wherein:
Moving water circulation experimental bench moves to realize the harmless growing environment of algae under level and smooth solid stream of water as follows:
(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; In two supply flumes arranged side by side, have one in supplying water state, 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, the supply flume water level sensor distance that makes movable floor location sensitive upper change point and top is 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 between edge and supply flume movable floor on supply flume gate opening late gate;
(1-2) test operating water-supply control: the supply flume gate in the supply flume for water state declines immediately, make on its gate along with movable floor location sensitive upper change point at same elevation, supply flume movable floor elevator promotes supply flume movable floor with certain speed v simultaneously
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 with constant flow rate Q, until movable floor position sensor and movable floor location sensitive upper change point meet; Now, close at once the supply flume gate of this supply flume, then by another supply flume according to step (1) with repeat the water supply process of last supply flume;
(1-3) test operating method for supplementing water: when the supply flume of the former enforcement water supply work in step (1-2) stops supplying water and closes after 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, refill flow Q via catch basin linkage section
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
What wherein V was supply flume supplies water capacity, h
dfor supply flume holds the depth of water when full, t is the time that supply flume moves under the effect of supply flume elevator; Q is the water requirements flow of supply flume;
In supply flume water receiving, supply flume movable floor declines, and decrease speed should be at 1.0~1.1Q
r/ A
dscope in, overflow so that the water in assure feed water groove is unlikely; 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 elevator upwards promotes supply flume, until the supply flume position sensor arranging on experimental tank position sensor and experimental tank linkage section stops while meeting, carrying out supplies water prepares;
After the supply flume water supply that another is supplying water stops, starting the supply flume that this moisturizing completes, continue to supply water according to step (1-1) with (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 avoid mechanical device to disturb the destruction of algae and water cell;
Moving water regulator control system move by the following method to realize river construction management and running on wawter bloom the disappear experimental study of impact of life:
(2-1) can't harm growing environment according to the operation method of described moving water circulation experimental bench with the algae of realizing 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, it is the letdown flow change procedure of the single or combination river construction of 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 water conservancy engineering simulation unit, downstream; When concrete operations, preferably be divided into some periods whole research cycle, within each period, regulating and keeping the letdown flow of water conservancy engineering simulation unit, upstream or water conservancy engineering simulation unit, downstream is certain value, and in the different periods, letdown flow is by default change procedure adjustment;
(2-3) simultaneously, start in the different periods of monitoring analysis system Real Time Monitoring, the hydrodynamic force factor under river construction scheduling operating mode and the situation of algae and water concentration changes with time, the life of the wawter bloom situation that disappears under the different regulation and control scheme of analyze and research accordingly upstream or downstream or step river construction.
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 be 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 active harmless experimental system of a kind of algal physiology;
(2) the present invention, by the new design of channel flow linkage section and elevator, had both guaranteed the level and smooth continuous-flow of current in tank, also can accurately regulate and control change in flow, provided guarantee to the certainty of measurement of studying wawter bloom ecological process under different moving water conditions; Adopt symmetrical mounting layout, can carry out two groups of experiments simultaneously;
(3) the present invention has designed flexible and efficient pretreatment system, design algae-containing water and separated the decomposite pattern of cultivating with substrate water, can be for different Tasks 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 under the harmless growing environment technology prerequisite of algae not affecting under above-mentioned level and smooth solid stream of water environment, designed river construction regulation device can simulate the impact that hydrodynamic condition changes and life disappears on wawter bloom under Influence of Water Conservancy Projects efficiently and accurately, 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 be used as the test research device that under the desirable circumstance of flowing water of research, wawter bloom life disappears; In the time changing the flow of controlling upstream and downstream river construction analogue unit, the life that can study wawter bloom under single or the different regulation and control scheme of the step river construction situation that disappears, for the ecological dispatching scheme of formulating river construction provides reference; Can also produce artificial interior ripple by the single river construction analogue unit of quick switching, operate in interior ripple that downstream water body the produces inhibition to wawter bloom for studying reservoir.
Embodiment
Below technical solution of the present invention is elaborated, but protection scope of the present invention is not limited to described embodiment.
Embodiment 1: the wawter bloom life variation experimental study that disappears under desirable moving water condition
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 the large-scale incubator of PB250 algae for the structure of system and functional schematic by algae-containing water of the present invention, and substrate water memory cell 1002 is volume 5m
3water butt, the length and width of water engagement unit 1003 is 200cm, high 100cm.Move the structural representation of water circulation experimental bench 2 if Fig. 3 is to as shown in Fig. 6, the wherein long 100cm of catch basin 2001, wide 50cm, dark 85cm; The projected length of catch basin linkage section 2002 horizontal directions 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 levels and vertical direction is 10cm, experimental tank 2005 length 500cm, wide 50cm, dark 80cm; The projected length of experimental tank linkage section 2006 levels and vertical direction is 20cm.It is 10cm that the contained monitoring instrument of monitoring analysis system 4 makes the space D of identical monitoring instrument in the time arranging.
Utilize the present invention to carry out the process of cultivating under the moving water condition of algae as follows:
(1) parameter such as illumination, temperature that adjustment algae-containing water is cultivated
unit 1001, makes the chlorophyll concentration c of algae-containing water be about 1mg/L.Due to the setting algae concentration c of experimental water
close=0.2mg/L, algae-containing water and substrate water water yield ratio
the flow control valve of regulation experiment water engagement unit 1,003 two water inlets in front side, the ratio that makes the flow of algae-containing water and substrate water is 1:4.After water body fully mixes, open the delivery port of experimental
water engagement unit 1003 rear sides, experimental water is supplied to the
catch basin 2001 of moving water circulation
experimental bench 2, until the water level of each tank all reaches requirement, close delivery port.
(2) the interior required experiment flow velocity of experimental tank 2005 of setting according to experiment is v=0.02m/s, and the experiment depth of water is h=45cm, tests required water requirements flow to be:
Q=v (hb
3)=0.02 × (0.45 × 0.5)=4.5 × 10
-3(m
3/ s), adjust the bolt under experimental tank 2005, making the interior current of experimental tank 2005 is open channel uniform flow.
(3) position of adjustment supply flume water level sensor 2014, makes it push up along 5cm apart from supply flume.Calculate H according to sharp-crested weir stream computing formula and the water requirements flowmeter mentioned in summary of the invention
2, adjust movable floor location sensitive upper change point 2201, be located at supply flume water level sensor 2104 below distance H
2place, it is 5cm+H that supply flume gate 2102 falling heads are set simultaneously
2.
(4) start moving water circulation experimental bench 2, its process is as follows:
(1) check the depth of water of each tank, 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, the interior depth of water of supply flume 2003 is 50cm, and four supply flumes 2003 are all in water supply position.
(2) supply water and start, respectively there are supply flume 2003 water supply starts at experimental bench two ends, and the supply flume gate 2102 on it declines, simultaneously, supply flume movable floor elevator 2023 promotes upwards uniform motion of supply flume movable floor 2021, and duty water is constant.
(3) when supply flume movable floor 2021 arrives after movable floor location sensitive upper change point 2201, the supply flume gate 2102 of this supply flume 2003 is closed, and 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 the end of having supplied water drops to catch basin and put by water level under the effect of supply flume elevator 2016, and 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-positions that decline, 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 descents, go up while dropping to movable floor location sensitive lower-limit point 2202 to supply flume water level sensor 2104 and supply flume movable floor 2021 until the interior water level of supply flume 2003, catch basin gate 2101 is closed at once.
(5) again supply flume 2003 is moved to water supply position by supply flume elevator 2016, experimental tank position sensor 2013 contacts with the supply flume position sensor 2012 on experimental tank 2005.
(6) the above process that circulates can guarantee test tank obtain steady and continuous and supplies water, 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, after supply flume linkage section 2004 is smooth-going, enter experimental tank 2005, then flow to the catch basin 2001 of the other end 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) after the interior waterflow stabilization of experimental tank 2005, 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 factor and algae and water concentration changes with time, analysis and research affect the hydrodynamic condition feature that wawter bloom life disappears accordingly.
Embodiment 2: the different regulation and control scheme lower storage reservoir of the step river construction wawter bloom life Changeement that disappears
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 the large-scale incubator of PB250 algae for the structure of system and functional schematic by algae-containing water of the present invention, and substrate water memory cell 1002 is volume 5m
3water butt, the length and width of water engagement unit 1003 is 200cm, high 100cm.Move the structural representation of water circulation experimental bench 2 if Fig. 3 is to as shown in Fig. 6, the long 100cm of catch basin 2001, wide 50cm, dark 85cm; The projected length of catch basin linkage section 2002 horizontal directions 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 levels and vertical direction is 10cm, experimental tank 2005 length 500cm, wide 50cm, dark 80cm; The projected length of experimental tank linkage section 2006 levels and vertical direction is 20cm.The space D of identical monitoring instrument is 10cm.
The disappear process of situation research of the life that utilizes the present invention to carry out wawter bloom under the different regulation and control scheme of step river construction is as follows:
(1) water-filling pretreatment: adjust the parameter such as illumination, temperature of algae-containing
water cultivation unit 1001, make the chlorophyll concentration c of algae-containing water be about 1mg/L.Set the algae concentration c of experimental water
close=0.2mg/L, algae-containing water and substrate water water yield ratio
the flow control valve of regulation experiment water engagement unit 1,003 two water inlets in front side, the ratio that makes the flow of algae-containing water and low quality water is 1:4.After water body fully mixes, open the delivery port of experimental
water engagement unit 1003 rear sides, current are supplied to the
catch basin 2001 of moving 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 ratio-dependent experimentation.If the letdown flow of upstream river construction i period is Q
upper i, the letdown flow of downstream river construction i period is Q
lower i, wherein i=1,2 ..., t, the time hop count that t divided for a dispatching cycle.
(3) moving water circulation start (for each period i):
(1) movable floor location sensitive upper change point 2201 positions of adjustment 3001 corresponding supply flume water level sensor 2014 belows, water conservancy engineering simulation unit, upstream, making movable floor location sensitive upper change point 2201 is H apart from supply flume water level sensor 2014 distances of top
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 supply flume gate 2102 open on late gate along and supply flume movable floor 2021 between the discrepancy in elevation.
(2) upstream water conservancy engineering simulation unit 3001 is corresponding declines immediately in the supply flume gate 2102 for the supply flume 2003 of water state, makes that on its gate, edge is with movable floor location sensitive upper change point 2201 at same elevation, and 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 water conservancy engineering simulation unit, upstream 3001 corresponding experimental tanks 2005 with constant flow rate Q, until movable floor position sensor 2022 meets with movable floor location sensitive upper change point 2201; Now, close at once the supply flume gate 2102 of this supply flume 2003, 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 close after 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 interior depth of water of 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 supply flume 2003 holds the depth of water when full, t is the time of supply flume 2003 motion under 2016 effects of supply flume elevator; Q is the water requirements flow of supply flume 2003;
In supply flume 2003 water receivings, supply flume movable floor 2021 declines, and decrease speed should be at 1.0~1.1Q
r/ A
dscope in, overflow so that the water in assure feed water groove 2003 is unlikely; When movable floor position sensor 2022 and movable floor location sensitive lower-limit point 2202 are met, and when the interior water level of supply flume 2003 goes up to supply flume water level sensor 2014, catch basin gate 2101 is closed immediately, supply flume elevator 2016 upwards promotes supply flume 2003, until the supply flume position sensor 2012 arranging on experimental tank position sensor 2013 and experimental tank linkage section 2004 stops while meeting, carrying out supplies water prepares.After supply flume 2003 water supply that another is supplying water stop, starting the supply flume 2003 that this moisturizing completes, continue to supply water according to step (1) and (2).
(4) similar with water conservancy engineering simulation unit 3001, upstream, the letdown flow Q of 3002 each period of water conservancy engineering simulation unit, downstream
lower ialso operate according to step (1) to the process of (3).Upstream and downstream river construction analogue unit moves simultaneously, according to the actual flow process control manipulation respectively of himself different period i, change with the scheduling that accurately simulates reservoir upstream and downstream, and then designing the hydrodynamic condition under regulation and control scheme in the river construction of the interior formation step of experimental tank 2005.
(4) wawter bloom monitoring analysis: in the different periods, start each level sensor 4001, current meter 4002, flowmeter 4003, video sensor 4004, the chlorophyll fluorescence instrument 4005 of monitoring analysis system 4 in the interior periodicity of experimental tank 2005, by Monitoring Data real-time Transmission to calculator 4006, draw the situation of the lower each hydrodynamic force factor of step reservoir scheduling impact and algae and water concentration changes with time, the life of the wawter bloom situation that disappears under the different regulation and control scheme of the step river construction of analyzing and researching accordingly.
Embodiment 3: implement the inhibition research of artificial interior ripple to 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 the large-scale incubator of PB250 algae for the structure of system and functional schematic by algae-containing water of the present invention, and substrate water memory cell 1002 is volume 5m
3water butt, the length and width of water engagement unit 1003 is 200cm, high 100cm.Move the structural representation of water circulation experimental bench 2 if Fig. 3 is to as shown in Fig. 6, the long 100cm of catch basin 2001, wide 50cm, dark 85cm; The projected length of catch basin linkage section 2002 horizontal directions 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 levels and vertical direction is 10cm, experimental tank 2005 length 500cm, wide 50cm, dark 80cm; The projected length of experimental tank linkage section 2006 levels and vertical direction is 20cm.The space D of identical monitoring instrument is 10cm.
Utilize the present invention to carry out the process of the inhibition research of ripple to wawter bloom in water body as follows:
(1) water-filling pretreatment: adjust the parameter such as illumination, temperature of algae-containing
water cultivation unit 1001, make the chlorophyll concentration c of algae-containing water be about 1mg/L.Set the algae concentration c of experimental water
close=0.2mg/L, algae-containing water and substrate water water yield ratio
the flow control valve of regulation experiment water engagement unit 1,003 two water inlets in front side, the ratio that makes the flow of algae-containing water and low quality water is 1:4.After water body fully mixes, open the delivery port of experimental
water engagement unit 1003 rear sides, current are supplied to the
catch basin 2001 of moving 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 at downstream water body artificial interior ripple according to river construction dynamic regulation letdown flow, the corresponding letdown flow design process of artificial interior ripple scheduling scheme, according to model scale, is determined to the letdown flow process that draws water conservancy engineering simulation unit, upstream 3001.If the letdown flow of upstream river construction i period is Q
upper iwherein i=1,2 ..., t, the time hop count that t divided for a dispatching cycle.
(3) moving water circulation start (for each period i):
(1) movable floor location sensitive upper change point 2201 positions of adjustment 3001 corresponding supply flume water level sensor 2014 belows, water conservancy engineering simulation unit, upstream, making movable floor location sensitive upper change point 2201 is H apart from supply flume water level sensor 2014 distances of top
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 supply flume gate 2102 open on late gate along and supply flume movable floor 2021 between the discrepancy in elevation.
(2) upstream water conservancy engineering simulation unit 3001 is corresponding declines immediately in the supply flume gate 2102 for the supply flume 2003 of water state, makes that on its gate, edge is with movable floor location sensitive upper change point 2201 at same elevation, and 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 water conservancy engineering simulation unit, upstream 3001 corresponding experimental tanks 2005 with constant flow rate Q, until movable floor position sensor 2022 meets with movable floor location sensitive upper change point 2201; Now, close at once the supply flume gate 2102 of this supply flume 2003, 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 close after 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 interior depth of water of 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 supply flume 2003 holds the depth of water when full, t is the time of supply flume 2003 motion under 2016 effects of supply flume elevator; Q is the water requirements flow of supply flume 2003;
In supply flume 2003 water receivings, supply flume movable floor 2021 declines, and decrease speed should be at 1.0~1.1Q
r/ A
dscope in, overflow so that the water in assure feed water groove 2003 is unlikely; When movable floor position sensor 2022 and movable floor location sensitive lower-limit point 2202 are met, and when the interior water level of supply flume 2003 goes up to supply flume water level sensor 2014, catch basin gate 2101 is closed immediately, supply flume elevator 2016 upwards promotes supply flume 2003, until the supply flume position sensor 2012 arranging on experimental tank position sensor 2013 and experimental tank linkage section 2004 stops while meeting, carrying out supplies water prepares.After supply flume 2003 water supply that another is supplying water stop, 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 check: start level sensor 4001, current meter 4002, flowmeter 4003, video sensor 4004 in water conservancy engineering simulation unit, upstream 3001 corresponding experimental tanks 2005, by Monitoring Data real-time Transmission to calculator 4006, whether the HYDRODYNAMIC CHARACTERISTICS in check 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 the artificial interior ripple of the interior formation of 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, the inhibition of artificial interior ripple to wawter bloom of can analyzing and researching accordingly.
As mentioned above, although represented and explained the present invention with reference to specific preferred embodiment, it shall not be construed as the restriction to the present invention self.Not departing under the spirit and scope of the present invention prerequisite of claims definition, can make in the form and details various variations to it.