CN205975467U - Leading barricade upstream of reservoir and factory building low reaches temperature contrast observation device - Google Patents
Leading barricade upstream of reservoir and factory building low reaches temperature contrast observation device Download PDFInfo
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- CN205975467U CN205975467U CN201620338334.4U CN201620338334U CN205975467U CN 205975467 U CN205975467 U CN 205975467U CN 201620338334 U CN201620338334 U CN 201620338334U CN 205975467 U CN205975467 U CN 205975467U
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Abstract
The utility model discloses a leading barricade upstream of reservoir and factory building low reaches temperature contrast observation device, including setting up the barricade wall body before dam upper reaches water inlet, barricade wall body installs on the barricade basis, the central line outside of barricade wall body is provided with reservoir district temperature water level and surveys the unit on line in succession, the water inlet links to each other with the diversion tunnel, is provided with reservoir low reaches discharge water temperature and surveys the unit on line in succession in the exit of diversion tunnel, reservoir district temperature water level is surveyd the unit in succession on line and is arranged the reservoir deep and heavy line department on dam warning cable, barricade wall body top is provided with the water inlet side mound, barricade wall body inboard is provided with the barricade and holds up. Adopt observation system to leading barricade of reservoir effect of heating survey carried out comprehensive, synthesize, effective coverage, guaranteed systematic, representativeness, the reliability of reservoir and low reaches temperature change law whole observation and research result.
Description
Technical field
This utility model belongs to Hydraulic and Hydro-Power Engineering hydrological observation technical field, is specifically related to a kind of preposition barricade of reservoir
Upstream and Factory Building downstream water temperature comparative observation device.
Background technology
Hydrologic regime and the water body environment of Reservoir region is changed after the barrage hydraulic structure Cheng Ku such as Hydraulic and Hydro-Power Engineering,
Reservoir had not only been regulated and stored the water yield but also had been stored heat, may result in Reservoir region water body water temperature and vertical layered phenomenon, if not considering
Reservoir surface high-temperature region water body is taken in stratified pumping measure, then reservoir letdown flow is most of is derived from reservoir area deep-water low-temperature area water
Body, and let out under reservoir water at low temperature and can produce long-term, far-reaching influence to downstream river course aquatic ecosystem.
At present, China's Hydraulic and Hydro-Power Engineering is typically with before its water inlet arranging preposition barricade mode and takes reservoir table
Layer water body generates electricity or drain, to have slowed down the method that raw water storehouse water inlet low-temperature discharge affects on downstream river course aquatic ecosystem
Gradually promote, but be still in blank stage with regard to Hydraulic and Hydro-Power Engineering preposition barricade warming effect systematic observation work, preposition gear
Wall warming effect systematic observation operating technology method with require to lack effective unification of Guidelines or specification, cause reservoir and under
The problems such as trip overall water temperature Changing Pattern observation and achievement in research quality generally existing systematicness, representative, reliability are strong, right
The ginseng of the work such as design, construction and the traffic control improve, optimizing the preposition barricade stratified pumping measure of follow-up Hydraulic and Hydro-Power Engineering
Examine and have little significance, open to improving China's temperature of river water Changing Pattern Study on Mathematic Model, empirical equation improvement and its software for calculation
Send out wait work, and promote industry scientific and technological progress reference little.Therefore, how to carry out reservoir preposition barricade warming effect storehouse
Area and the work of downstream water temperature comparative observation, the Influencing Mechanism of research reservoir preposition barricade warming effect, and be associated environmental impacts
Systematic study performs technical support, is current Hydraulic and Hydro-Power Engineering hydrological observation technical field technical problem urgently to be resolved hurrily.
Utility model content
For solving the above problems, this utility model provides a kind of reservoir preposition barricade upstream and the contrast of Factory Building downstream water temperature
Observation device.Thus uniform requirement is made to reservoir preposition barricade warming effect systematic observation technology, to improve reservoir and downstream
The observation of water temperature Changing Pattern and research work technical merit and quality of achievement, overcome the shortcomings of existing for prior art.
This utility model is achieved by following technical solution.
A kind of preposition barricade upstream of reservoir and Factory Building downstream water temperature comparative observation device, including being arranged at the water inlet of dam upstream
Barricade body of wall before mouthful, described barricade body of wall is arranged on retaining wall foundation, is provided with water outside the centrage of described barricade body of wall
The continuous online observation unit of Kuku area water-temperature water-level, described water inlet is connected with diversion tunnel, sets in the exit of diversion tunnel
It is equipped with the continuous online observation unit of mining under reservoir earial drainage water temperature.
Described Reservoir region water-temperature water-level continuous online observation unit peace is arranged in dam and warns the reservoir thalweg on cable
At line.
Water-temperature water-level continuous online observation unit in described Reservoir region includes ball float, probe chain, mass and is arranged on spy
Some groups of water-temperature water-level online observation probes on head chain, wherein ball float is arranged on warning cable, pop one's head in chain upper end and ball float
Connect, lower end is connected with mass.
The continuous online observation unit of described mining under reservoir earial drainage water temperature includes vertical steel pipe, ball float, water temperature online observation are visited
Head and probe chain, wherein, vertical penstock installation is on the left of the draft tube deck and on the outer wall of right side backwater zone, and is fixed by steel pipe
Support is fixed on draft tube deck, and ball float swims in vertical steel duct, and probe chain one end is connected with ball float, the other end and water temperature
Online observation probe connects.
Described barricade body of wall top is provided with water inlet abutment pier.
It is provided with barricade inside described barricade body of wall and help arm.
Described vertical steel duct is additionally provided with maintenance wirerope.
Described water-temperature water-level online observation probe and water temperature online observation probe are all using having remote data on-line normalization
The water-temperature water-level sensor of function, temperature measurement resolution is 0.01 DEG C, and precision is 0.1 DEG C, and scope is -40～100 DEG C, water level
Certainty of measurement is 0.1 meter, and, up to 200 meters, water temperature, the waterlevel data record frequency can be in 10～180 minutes areas for working depth scope
Between arbitrarily arrange.
Lay spacing on described water-temperature water-level online observation probe is vertical on probe chain and be 2 meters to 10 meters.
Described steel pipe fixed support prolongs vertical steel pipe and is placed equidistant up and down, and spacing is 3 meters to 10 meters.
The beneficial effects of the utility model are：
Compared with prior art, this utility model system considers reservoir water inlet preposition barricade engineering distribution elevation feelings
Condition, and Reservoir region Flow Field Distribution is actual, by this observation system, the observation of reservoir preposition barricade warming effect has been carried out complete
Face, synthesis, effectively cover it is ensured that reservoir and downstream water temperature Changing Pattern are integrally observed and the systematicness of achievement in research, representative
Property, reliability.
This utility model heats effect to comprehensive, effective observation reservoir preposition barricade stratified pumping, improves China's reservoir water
Warm Changing Pattern observation operating technology level and quality of achievement, are layered to improving, optimizing the preposition barricade of follow-up Hydraulic and Hydro-Power Engineering
The work such as the design of water intaking measure, construction and traffic control, improve China's temperature of river water Changing Pattern Study on Mathematic Model, experience
The work such as formula improvement and its software for calculation exploitation, and promote industry scientific and technological progress significant.
Brief description
Fig. 1 is preposition barricade arrangement schematic diagram before dam described in the utility model；
Fig. 2 is water-temperature water-level continuous online observation cellular construction schematic diagram in Reservoir region in this utility model；
Fig. 3 is mining under reservoir earial drainage water temperature continuous online observation unit arrangement schematic diagram in this utility model.
In figure：1- water inlet, 2- diversion tunnel, 3- barricade body of wall, 4- barricade helps arm, 5- water inlet abutment pier, 6- barricade base
Plinth, 7- warns cable, 8- ball float, 9- probe chain, and 10- water-temperature water-level online observation is popped one's head in, 11- mass, 12- draft tube deck,
The vertical steel pipe of 13-, 14- steel pipe fixed support, 15- water temperature online observation is popped one's head in, and 16- overhauls wirerope.
Specific embodiment
Further describe the technical solution of the utility model below in conjunction with the accompanying drawings, but claimed scope is not limited to
Described.
As shown in Figure 1 to Figure 3, a kind of preposition barricade upstream of reservoir described in the utility model and the contrast of Factory Building downstream water temperature
Observation device, including the barricade body of wall 3 being arranged at before dam upstream water inlet 1, described barricade body of wall 3 is arranged on retaining wall foundation 6
On, it is provided with Reservoir region water-temperature water-level continuous online observation unit, described water inlet outside the centrage of described barricade body of wall 3
1 is connected with diversion tunnel 2, and the exit of diversion tunnel 2 is provided with the continuous online observation unit of mining under reservoir earial drainage water temperature.?
During actual arrangement, the distance of Reservoir region water-temperature water-level continuous online observation unit and barricade body of wall 3 typically 10m with
On, to prevent the continuous online observation unit of mining under reservoir earial drainage water temperature by flow turbulence impact damage, this system root before water inlet 1
According to reservoir water inlet preposition barricade engineering distribution elevation status, and Reservoir region Flow Field Distribution is actual, by dam upstream
Side and Factory Building tail water is respectively provided with Reservoir region water-temperature water-level continuous online observation unit and mining under reservoir earial drainage water temperature continuously exists
Line observing unit, with guarantee reservoir and downstream water temperature Changing Pattern integrally observe systemic, representative, reliable with achievement in research
Property.
Described Reservoir region water-temperature water-level continuous online observation unit peace is arranged in dam and warns the reservoir thalweg on cable 7
At line.
Water-temperature water-level continuous online observation unit in described Reservoir region includes ball float 8, probe chain 9, mass 11 and setting
Some groups of water-temperature water-level online observation probes 10 on probe chain 9, wherein ball float 8 is arranged on warning cable 7, chain 9 of popping one's head in
Upper end is connected with ball float 8, and lower end is connected with mass 11.
The continuous online observation unit of described mining under reservoir earial drainage water temperature includes vertical steel pipe 13, ball float 8, water temperature online observation
Probe 15 and probe chain 9, wherein, vertical steel pipe 13 is installed on draft tube deck 12 left side and the outer wall of right side backwater zone, and leads to
Cross steel pipe fixed support 14 to be fixed on draft tube deck 12, ball float 8 swims in inside vertical steel pipe 13, pop one's head in chain 9 one end and float
Ball 8 connects, and the other end is connected with water temperature online observation probe 15.Probe chain 9 is used for hanging water temperature online observation probe 15 and connecting
Connect ball float 8, generally 1 meter to 3 meters of probe chain 9 chain link length, its terminal position should be shorter than vertical steel pipe 13 end at least 0.5
Rice, is damaged with guaranteeing water temperature online observation probe 15 not affected by reservoir earial drainage tail water.
Described barricade body of wall 3 top is provided with water inlet abutment pier 5.Water inlet abutment pier 5 be used for connecting barricade body of wall 3 with big
Dam, plays reinforcement firm effect.
It is provided with barricade inside described barricade body of wall 3 and help arm 4.To the 3 reinforcement supporting roles of barricade body of wall.
It is additionally provided with maintenance wirerope 16 inside described vertical steel pipe 13.Maintenance wirerope 16 be for connect ball float 8 with vertical
The wirerope on steel pipe 13 top, lifts water temperature online observation probe 15 for overhaul, change battery in instrument when.
Described ball float 8 refers to the buoyancy aid floating on reservoir surface and bearing certain counterweight, and floating ball diameter is according to needed for counterweight
Buoyancy determines, material should possess shock resistance collision, anti-suppress, the characteristic such as anticorrosive, aging resistance.Ball float should depend on and be installed on reservoir
On the relatively-stationary facility in the front waters in dam, the warning cable 7 of reservoir surface as shown in Figure 2, the reservoir area hydrology survey the positions such as ship, and will
Guarantee that observation instrument is not subject to Reservoir region current etc. to affect and damage.
Described water-temperature water-level online observation probe 10 and water temperature online observation probe 15 are all online using having remote data
The water-temperature water-level sensor of transfer function, temperature measurement resolution is 0.01 DEG C, and precision is 0.1 DEG C, and scope is -40～100 DEG C,
Water level measurement accuracy is 0.1 meter, and, up to 200 meters, water temperature, the waterlevel data record frequency can be at 10～180 points for working depth scope
Clock is interval arbitrarily to be arranged.Water-temperature water-level online observation probe 10 adopts battery as power supply, using the rustless steel of 0.2 millimeter of wall thickness
Shell encapsulates, and amount of stored heat is minimum, and susceptiveness is high, have waterproof, shock resistance collision, anti-suppress, the characteristic such as anticorrosive, aging resistance.
Described probe chain 9 adopts wirerope pattern, for vertical arrangement water-temperature water-level online observation probe 10, and is easy to observe
Instrument maintenance, replacing battery etc., to meet the observation job requirement of reservoir preposition barricade warming effect.Probe chain 9 is connected to ball float 8
Bottom, its length determines according to the observation depth of water.
Described mass 11 be shot etc. can suspension type weight, the chain 9 that is used for guaranteeing popping one's head in keeps vertical, reduces reservoir water body stream
The dynamic influence of fluctuations to probe chain 9.
Generally 2 meters to 10 meters of spacing is laid on described water-temperature water-level online observation probe 10 is vertical on probe chain 9, its
Water-temperature water-level in the corresponding elevation constant interval in the vertical coboundary of water inlet during different reservoir operating level on middle probe chain 9 is online
Observation probe 10 lays closeer, generally 2 meters to 5 meters of spacing.Water-temperature water-level online observation probe 10 is on probe chain 9 is vertical
Concrete spacing of laying is advisable with effectively covering to the observation of reservoir preposition barricade warming effect.
The installation group number of the continuous online observation unit of described Reservoir region water-temperature water-level and concrete arrangement should be according to reservoir dams
Front waters topographic features are paid attention to, and can install one or more groups of, and wherein at least should be installed on the talweg of reservoir dam front waters
One group, remaining each group is considered according to reservoir dam front waters topographic features, and concrete installation group is several smart according to observation work
Degree requires to determine, is advisable with effectively covering to the observation of reservoir preposition barricade warming effect.Described mining under reservoir earial drainage water temperature
Continuous online observation unit installation group number and concrete arrangement, should be comprehensive according to reservoir earial drainage situation and observation instrument safe operation aspect
Close consider it is contemplated that be respectively provided with the left bank of reservoir earial drainage tail water, right bank and downstream river course centrage structures one group or
Multigroup, to reduce observation error, and guarantee not affected by the strong external force such as the impact of reservoir earial drainage, collision.
The length of described vertical steel pipe 13 determines, its bottom should be at least over minimum tail according to reservoir tailwater level excursion
1.5 meters to 3.5 meters of water level, top should be at least over 3 meters to 5 meters of highest tailwater level；The caliber of vertical steel pipe 13 is to meet ball float
8th, water temperature online observation probe 15 is installed and is advisable；Steel pipe fixed support 14 prolongs vertical steel pipe and is placed equidistant about 13, spacing general 3
Rice is to 10 meters.
One kind is using reservoir described in the utility model preposition barricade upstream and Factory Building downstream water temperature comparative observation system to big
The method that dam water temperature is observed, the method is according to reservoir water inlet preposition barricade engineering distribution elevation status, and reservoir
Reservoir area Flow Field Distribution is actual, to reservoir preposition barricade warming effect systematic observation skill, to guarantee reservoir and downstream water temperature change rule
The overall observation of rule and systemic, the representative, reliability of achievement in research.
Described preposition barricade warming effect systematic observation, refers to according to reservoir difference water level ruuning situation in observation cycle,
Reservoir region and downstream are carried out with the synchronous continuous system observation of preposition barricade warming effect overall process, including Reservoir region water temperature
The continuous online observation of water level, the continuous online observation of mining under reservoir earial drainage water temperature, and carry out the vertical boundary interval of reservoir water inlet
Water temperature, the synchronous relative analyses of mining under reservoir earial drainage water temperature calculate, and draw preposition barricade warming effect range value in observation cycle,
Obtained the entirety warming effect observation of preposition barricade after effect range value cumulative statistics and ground by heating of all the period of time in observation cycle again
The method studying carefully achievement.
Described preposition barricade warming effect overall process synchronization continuous system observation, refers to reference to a water year or multiple water
In the observation cycle in civilian year reservoir level normal pool level, level of dead water interval normal operation, by Reservoir region water temperature water
The continuous online observation unit in position, the observation instrument count frequency of mining under reservoir earial drainage water temperature continuous online observation unit, cycle are given
With synchronous setting, so that Continuous Observation and data are carried out to reservoir water inlet vertical boundary interval water temperature, mining under reservoir earial drainage water temperature
Unified reorganization, and give relative analyses calculating.
Described preposition barricade heats effect range value and refers to that in observation cycle, " reservoir water inlet vertical boundary interval water temperature is even
Continuous online observation value " continuous difference with the synchronization of " mining under reservoir earial drainage water temperature continuous online observation value "." reservoir water inlet is vertical
Boundary interval water temperature continuous online observation value " can be the water that " Reservoir region water-temperature water-level continuous online observation unit " observes
The a certain period " at the corresponding elevation water level of water inlet centrage " or " nearest apart from the corresponding elevation water level of water inlet centrage is run in storehouse
The water temperature measured value of place " water-temperature water-level online observation probes records or reservoir run a certain period " on water inlet below
Bound pair answers the elevation interval " meansigma methodss of water temperature measured value of multiple vertical water temperature water level online observation probes records, interpolated value etc.
Water temperature analytically calculated value, concrete value mode requires to be determined according to observation operating accuracy；" mining under reservoir earial drainage water temperature is continuous
Online observation value temperature " i.e. one or more water temperature online observations of mining under reservoir earial drainage water temperature continuous synchronization online observation system are visited
The water temperature measured value (or meansigma methodss) of head record.
Described preposition barricade entirety warming effect observational study achievement refers to the preposition barricade of day part in observation cycle
Cumulative statistics achievement on warming effect range value time dimension, reflection is that the preposition barricade of overall process in observation cycle heats
The statistics achievement of effect range value comparable trend change.
With reference to northern disk river Dongjing hydropower station embodiment, this utility model scheme is described in further detail as follows：
(1) preposition barricade project profile
Dongjing hydropower station is northern Pan Jiang mainstream Construction of Step Hydropower Station afterbody, and downstream is Hongsuihe River Longtan hydropower station, is
Big (2) the type engineering such as II, development task mainly based on generating electricity, shipping take second place, take into account irrigation and the comprehensive benefit such as supply water.Dong Qing
Hydropower Plant Reservoir normal pool level 490.0m, level of dead water 483.0m, generating limiting water level 475.0m, installed capacity 880MW (4 ×
220MW) it is ensured that the 172MW that exerts oneself, average electricity 30.26 hundred million kW h for many years.Dongjing hydropower station generating system by piloting water is arranged in river
Bed right bank, using a hole one machine unit way of supplying water, by right bank ground factory behind tower intake, diversion tunnel, penstock, dam
Room forms.
Dongjing hydropower station tower intake tower body floor elevation 455.0m, tower top elevation 494.5m, tower height 39.5m, water inlet
Mouth front porch width 89.2m, the long 38.15m of Parallel to the flow direction.Dong's mountain valley with clumps of trees and bamboo water temperature of reservoir structure is transitional type, its tower intake base plate
There is the 35.0m discrepancy in elevation apart from normal pool level, if not considering stratified pumping, generating letdown flow major part is before water inlet
Deep-water low-temperature area in 455.0m～470.0m elevation, can produce certain adverse effect to downstream river course aquatic ecosystem.According to
Environmental Protection Department requires, and for mitigating Dongjing hydropower station generating low-temperature discharge adverse effect, considers that Dong's mountain valley with clumps of trees and bamboo reservoir was adjusted for day simultaneously
Section, reservoir level luffing related frequency, determination 13.0m before its water intake for power generation is provided with π type and helps arm-type Reinforced Concrete Retaining Walls
To take the generating of reservoir surface water.
Arm-type armored concrete preposition barricade 13.0m before water inlet helped by Dongjing hydropower station water inlet π type, barricade both sides with
Water inlet abutment pier connects；The high 15.0m of barricade wall, wall thickness 3.0m, help spacing arm 5.0m, arm thickness 2.0m；Barricade cope level
470.0m, barricade bottom is 3.0m thickness reinforced concrete foundation.
(2) Reservoir region water-temperature water-level continuous online observation unit deployment scenarios
As indicated with 2, Dongjing hydropower station Reservoir region water-temperature water-level continuous online observation unit arranges one group, before being arranged in dam
500m warns the reservoir talweg corresponding position on cable 7, substantially not dependent station water inlet generating drain and the punching of other flow fields of reservoir area
Hit impact.
Ball float 8 adopts PE rotational moulding ball float, a diameter of 800mm, possess shock resistance, anti-suppress, the spy such as anticorrosive, aging resistance
Property.The probe a length of 36m of chain 9, a diameter of 0.4cm of wirerope, adopt 20kg shot 11 counterweight in probe chain 9 bottom.
Lay downwards 16 groups of water-temperature water-level online observation probes 10 altogether from reservoir surface on probe chain 9, set at same laying
Put 1 group 2 probes, the using and the reserved, 16 groups totally 32, water-temperature water-level online observation probe 10 is laid in and divides two sections on probe chain 9
Consider：
By storehouse table down 0m～10m scope be probe chain 9 first paragraph, according to spacing 5m lay, lay 3 groups of water temperature water altogether
Position online observation probe 10,0m, 5m, 10m in probe chain 9 are laid respectively.In first paragraph, water-temperature water-level online observation is visited
10 in reservoir operation scheme 490m and level of dead water 483m during normal operation, surveyed water temperature data essentially preposition barricade top
The interval reservoir surface water body water temperature of the above 3m～10m in portion, surveyed water temperature value is as reservoir preposition barricade warming effect observation station
The indirect contrasting data needing.
Be second segment by first paragraph end to chain 9 bottom of popping one's head in, i.e. 10m～36m scope, lay according to spacing 2m, totally 13
Group water-temperature water-level online observation probe 10, respectively the probe 12m of chain 9,14m, 16m, 18m, 20m, 22m, 24m, 26m, 28m,
Laid at 30m, 32m, 34m, 36m.In second segment, water-temperature water-level online observation probe 10 is in reservoir operation scheme 490m
With level of dead water 483m during normal operation, it is total to barricade bottom that surveyed water temperature data is essentially the above 10m in preposition barricade top
The interval reservoir profundal zone water body water temperature of vertical 26m, with to the vertical boundary interval of water inlet under reservoir day part operating water level
Effective covering of water temperature observation, surveyed water temperature value is as the required direct analysis data of reservoir preposition barricade warming effect observation.
In the continuous online observation unit of Dongjing hydropower station Reservoir region water-temperature water-level, water-temperature water-level online observation probe 10
Temperature measurement resolution be 0.01 DEG C, precision be 0.1 DEG C, scope be -40～100 DEG C, water level measurement accuracy be 0.1m, work
Depth bounds is 0～200m.Water-temperature water-level online observation probe 10 adopts battery as power supply, is arranged to every 180 minutes records
Water temperature, a water-level observation data, wherein daily 08:Once, battery life is 2 years in such a mode for 00 necessary observational record.
Using stainless steel casing encapsulation, stainless steel casing only has the wall thickness of 0.2mm, has the amount of stored heat of very little, high using heat conductivity
Fluid sealant it is ensured that the high sensitivity of sensor, minimum temperature delay, have shock resistance collision, anti-suppress, anticorrosive, anti-
The characteristic such as aging.The water temperature of water-temperature water-level online observation probe 10 collection, waterlevel data are communicated by China Mobile's GPRS data
Platform receives and is stored to designated computer.
(3) mining under reservoir earial drainage water temperature continuous online observation unit deployment scenarios
Dongjing hydropower station generating tail water is connected with Longtan hydropower station's reservoir in downstream, and tail water luffing is larger, the change of tailwater level
Change scope is 366.5m～402.5m, and tail water level amplitude reaches 36m.
As shown in figure 3, the vertical steel pipe 13 of the continuous online observation unit of Dongjing hydropower station mining under reservoir earial drainage water temperature is installed
On the outer wall of draft tube deck 12 left side and right side backwater zone, two groups altogether, tail water is fixed on by steel pipe fixed support 14 and puts down
On platform 12, the caliber of vertical steel pipe 13 is 200mm, and vertical steel pipe 13 total length is 41m, and its bottom exceedes minimum tailwater level 2m,
Top exceedes highest tailwater level 3m.Steel pipe fixed support 14 prolongs vertical steel pipe and is placed equidistant about 13, and spacing is 4m, 11 altogether
Horizontal stand, the position of steel pipe fixed support 14 installation place by low side to top be respectively 0m, 4m, 8m, 12m, 16m, 20m,
24m、28m、32m、36m、40m.
Ball float 8 adopts PE rotational moulding ball float, a diameter of 150mm, possess shock resistance collision, anti-suppress, anticorrosive, aging resistance etc.
Characteristic.Probe chain 9 is wirerope, and length is 1.5m, a diameter of 0.3cm.Maintenance wirerope 16 length is 80m, a diameter of 0.4cm.
Probe chain 9 chain link end is provided with 2 water temperature online observation probes 15, the using and the reserved, and water temperature online observation is popped one's head in
15 temperature measurement resolution be 0.01 DEG C, precision be 0.1 DEG C, scope be -40～100 DEG C, working depth scope be 0～
200m.Using battery as power supply, it is arranged to water temperature of every 180 minutes records and observes data, wherein daily 08:00 must see
Survey record once, this mode battery life is 2 years.Using stainless steel casing encapsulation, the only wall thickness of 0.2mm, there is very little
Amount of stored heat, using the high fluid sealant of heat conductivity it is ensured that the high sensitivity of sensor, minimum temperature delay, there is anti-impact
Hit collision, anti-suppress, the characteristic such as anticorrosive, aging resistance.The water temperature data of water temperature online observation probe collection passes through China Mobile
GPRS data communications platform receives and is stored to designated computer.
(4) reservoir preposition barricade warming effect observation work development condition
Dongjing hydropower station starts reservoir preposition barricade warming effect observation work in March, 2012, and program launched schedules to last
The observation work of 10 water years, 3～5 years observing buoy of its near-mid term meet completion of works Environmental Protection Acceptance Check and environmental effect
Post-evaluation job requirement, observing buoy meets entirely northern Pan Jiang basin integrated environment protection scientific research within 5～10 years at a specified future date
Require.
The continuous online observation unit of Dongjing hydropower station Reservoir region water-temperature water-level, mining under reservoir earial drainage water temperature are continuously seen online
Observation instrument count frequency, the cycle of surveying unit are consistent, are every 180 minutes water temperatures of record or water-level observation data, often
Day 08:00 necessary observational record is once.
" the preposition barricade warming effect range value " of Dongjing hydropower station reservoir preposition barricade warming effect observation, on observation rule
In the cycle of drawing, to " the continuous online observation value of reservoir water inlet vertical boundary interval water temperature " with " mining under reservoir earial drainage water temperature is continuous
The synchronous continuous difference of online observation value " has carried out deep relative analyses and research demonstration.
Dongjing hydropower station " the continuous online observation value of reservoir water inlet vertical boundary interval water temperature " employs kinds of schemes and gives
With relative analyses, effect is heated with the preposition barricade engineering of practical investigation, respectively：" Reservoir region water-temperature water-level is continuously online
The reservoir that observing unit " observes runs a certain period " at the corresponding elevation 459.5m water level of water inlet centrage " corresponding water temperature
The water temperature measured value of water level online observation probe 10 record；" apart from corresponding elevation 459.5 water level of water inlet centrage the most nearby "
The water temperature measured value of water-temperature water-level online observation probe 10 record；" it is interval that water inlet up-and-down boundary corresponds to elevation 455m～464m "
The meansigma methodss of the water temperature measured value of multiple vertical water temperature water level online observation probe 10 records；" water inlet up-and-down boundary is corresponding high
The interpolated value of the water temperature measured values of journey 455m～464 interval " multiple vertical water temperature water level online observations probe 10 record." reservoir
Downstream earial drainage water temperature continuous online observation value temperature " is then with two groups of mining under reservoir earial drainage water temperature continuous synchronization online observation system water temperature
The water temperature measured value meansigma methodss of online observation probe 15 record analyze foundation as warming effect.
Dongjing hydropower station " preposition barricade entirety warming effect fruit observational study achievement ", each mainly in the statistical process cycle
In water year, preposition barricade heats the accumulation achievement on effect range value time dimension, each with reflection observation cycle comprehensive, directly perceived
In water year, the preposition barricade of overall process heats the change of effect range value comparable trend.
Claims (10)
1. a kind of preposition barricade upstream of reservoir and Factory Building downstream water temperature comparative observation device it is characterised in that：Big including being arranged at
Barricade body of wall (3) before dam upstream water inlet (1), described barricade body of wall (3) is arranged on retaining wall foundation (6), described barricade wall
It is provided with Reservoir region water-temperature water-level continuous online observation unit, described water inlet (1) and diversion tunnel outside the centrage of body (3)
Hole (2) is connected, and the exit of diversion tunnel (2) is provided with the continuous online observation unit of mining under reservoir earial drainage water temperature.
2. a kind of preposition barricade upstream of reservoir according to claim 1 and Factory Building downstream water temperature comparative observation device, it is special
Levy and be：Described Reservoir region water-temperature water-level continuous online observation unit peace is arranged in dam and warns the reservoir on cable (7) deep
Hong Xianchu.
3. a kind of preposition barricade upstream of reservoir according to claim 1 and Factory Building downstream water temperature comparative observation device, it is special
Levy and be：The continuous online observation unit of described Reservoir region water-temperature water-level include ball float (8), probe chain (9), mass (11) and
It is arranged on some groups of water-temperature water-level online observations probe (10) on probe chain (9), wherein ball float (8) is arranged on warning cable
(7), on, probe chain (9) upper end is connected with ball float (8), and lower end is connected with mass (11).
4. a kind of preposition barricade upstream of reservoir according to claim 1 and Factory Building downstream water temperature comparative observation device, it is special
Levy and be：It is online that the continuous online observation unit of described mining under reservoir earial drainage water temperature includes vertical steel pipe (13), ball float (8), water temperature
Observation probe (15) and probe chain (9), wherein, vertical steel pipe (13) is installed on the left of draft tube deck (12) and right side backwater zone
On outer wall, and it is fixed on draft tube deck (12) by steel pipe fixed support (14), ball float (8) swims in vertical steel pipe (13)
Portion, probe chain (9) one end is connected with ball float (8), and the other end is connected with water temperature online observation probe (15).
5. a kind of preposition barricade upstream of reservoir according to claim 1 and Factory Building downstream water temperature comparative observation device, it is special
Levy and be：Described barricade body of wall (3) top is provided with water inlet abutment pier (5).
6. a kind of preposition barricade upstream of reservoir according to claim 1 and Factory Building downstream water temperature comparative observation device, it is special
Levy and be：It is provided with barricade inside described barricade body of wall (3) and help arm (4).
7. a kind of preposition barricade upstream of reservoir according to claim 4 and Factory Building downstream water temperature comparative observation device, it is special
Levy and be：It is additionally provided with maintenance wirerope (16) inside described vertical steel pipe (13).
8. a kind of preposition barricade upstream of reservoir according to claim 3 and Factory Building downstream water temperature comparative observation device, it is special
Levy and be：Described water-temperature water-level online observation probe (10) is sensed using the water-temperature water-level with remote data on-line normalization function
Device, temperature measurement resolution is 0.01 DEG C, and precision is 0.1 DEG C, and scope is -40～100 DEG C, and water level measurement accuracy is 0.1 meter, work
Make depth bounds up to 200 meters, water temperature, the waterlevel data record frequency can interval at 10～180 minutes arbitrarily be arranged.
9. a kind of preposition barricade upstream of reservoir according to claim 3 and Factory Building downstream water temperature comparative observation device, it is special
Levy and be：Described water-temperature water-level online observation probe (10) is 2 meters to 10 meters in the upper vertical upper laying spacing of probe chain (9).
10. a kind of preposition barricade upstream of reservoir according to claim 4 and Factory Building downstream water temperature comparative observation device, it is special
Levy and be：Described steel pipe fixed support (14) is prolonged vertical steel pipe (13) and is placed equidistant up and down, and spacing is 3 meters to 10 meters.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105756007A (en) * | 2016-04-21 | 2016-07-13 | 中国电建集团贵阳勘测设计研究院有限公司 | Leading barricade upstream of reservoir and factory building low reaches temperature contrast observation system |
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