CN115907545A - Resource utilization method for ice lake water in alpine regions - Google Patents
Resource utilization method for ice lake water in alpine regions Download PDFInfo
- Publication number
- CN115907545A CN115907545A CN202211549620.1A CN202211549620A CN115907545A CN 115907545 A CN115907545 A CN 115907545A CN 202211549620 A CN202211549620 A CN 202211549620A CN 115907545 A CN115907545 A CN 115907545A
- Authority
- CN
- China
- Prior art keywords
- water
- dam
- storage capacity
- water storage
- dam body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention relates to the technical field of disaster prevention and reduction and resource utilization, and particularly discloses a resource utilization method for ice lake water in alpine regions. The method comprises the steps of firstly, obtaining parameters of the ice lake by a method combining multi-source remote sensing measurement and field actual measurement investigation and check, and analyzing the stability of the dam body of the moraine dam; then, distributing and controlling a plurality of rows of pile column structural body engineering facilities according to the analysis result of the dam body stability, the design standard requirement of the downstream protection object of the moraine dam and the predicted burst parameter, thereby reinforcing the dam body; and then obtaining the current water storage capacity, the maximum water storage capacity and the standard water storage capacity of the tillite dam, comprehensively analyzing the relation between the current water storage capacity and the standard water storage capacity and the collected power utilization requirement, and selecting a one-way water resource utilization scheme or a combined water resource utilization scheme. The invention converts the water body with potential hazard into clean energy for utilization, and also reduces the risk of ice lake burst.
Description
Technical Field
The invention relates to the technical field of disaster prevention and reduction and resource utilization, in particular to a resource utilization method for ice lake water in alpine regions.
Background
With global warming, ice lake bursting accidents in high altitude and high cold mountain areas in the world frequently occur, infrastructure such as highways, railways, hydraulic engineering and the like are often damaged, even rivers are blocked to form huge barrier lakes, large-scale bursting floods are further formed, rivers and villages are flushed, the influence range is as long as thousands of kilometers, and serious economic loss and casualties are caused. In the 30 s of the 20 th century to the beginning of the 21 st century, recorded ice lake burst events appear obvious increasing trend in the world, and serious ice lake burst flood debris flow disasters are accumulated in China 33. According to statistics, 17300 iced lakes are distributed in 2015 in China, wherein 11501 iced lake supply lakes account for 74.6 percent of the total area and 66.5 percent of the total amount of the iced lakes in China. The growth of the ice lake is related to the number and the area of the glaciers and the ablation speed of the glaciers, and the growth and the expansion of the ice lake are facilitated when the number of the glaciers is larger, the scale is larger, and the ablation is faster.
The mountain and glaciers widely distributed in the west of China provide basic conditions for the growth of the ice lake, the current climate is warm, a large amount of glaciers shrink, and the generated glacier material loss and the depression formed after the glaciers shrink provide sufficient water supply and development space for the growth and expansion of the ice lake. Estimated that the total amount of water resources of ice lake in 2013 of alpine region in western China is 274.8X 10 8 m 3 And the water quantity of the ice lake is obviously increased.
However, in the prior art: the patent application number is CN201610630522.9; the Chinese patent with the granted publication number of CN106250635B discloses a method for preventing and controlling the collapse type debris flow of an ice lake and an application thereof, and proposes that the collapse type flood discharge process is regulated and controlled by utilizing the reinforcement of a tillite dam body, so that the purpose of controlling the formation of the debris flow is achieved; the patent application number is CN202010714145.3; the invention discloses a method for preventing and controlling bursting type flood debris flow in an ice lake, and provides a method for treating the flood debris flow by taking step-by-step control energy as a core, wherein the publication number of China is CN 111809556B. However, the technical scheme of fully utilizing the naturally formed tillite dam body and the water resources in the ice lake is lacked in the prior art aiming at the characteristics of the ice lake.
Therefore, a research team searches a resource utilization method of ice lake water aiming at the advantages that the ice lake in the alpine and high-altitude areas has the natural dam body and the water body with larger potential energy, not only can the water body with potential hazard be converted into clean energy to be utilized, but also the risk of breaking the ice lake can be reduced, and the method has obvious practical significance and development and application values.
Disclosure of Invention
Aiming at the defect that the prior art is short of a scheme for utilizing water resources of ice lakes in alpine and high-altitude areas, the invention provides a method for recycling the ice lake water in alpine and high-cold areas, which is used for converting water bodies with potential hazards into clean energy to be utilized and reducing the risk of bursting of the ice lake.
The invention provides a resource utilization method for ice lake water in alpine regions, and aims to determine a water resource utilization scheme for an ice lake with a moraine dam. The method comprises the steps of firstly, obtaining parameters of the ice lake by a method combining multi-source remote sensing measurement and field actual measurement investigation and check, and analyzing the stability of the dam body of the moraine dam; then, distributing and controlling a plurality of rows of pile column structural body engineering facilities according to the analysis result of the dam body stability, the design standard requirement of the downstream protection object of the moraine dam and the predicted burst parameter, thereby reinforcing the dam body; and then obtaining the current water storage capacity, the maximum water storage capacity and the standard water storage capacity of the tillite dam, comprehensively analyzing the relation between the current water storage capacity and the standard water storage capacity and the collected power utilization requirement, and selecting a one-way water resource utilization scheme or a combined water resource utilization scheme.
The ice lake parameters comprise: the average water level, the average width of the dam crest, the average height of the dam body, the volume of the dam body, the cross section area of lake water at the dam body and the median particle size of dam body substances;
the predicted crash parameters include: length of the breach section.
Further, the obtaining of the current water storage capacity, the maximum water storage capacity and the standard water storage capacity of the moraine dam specifically means: firstly, point convergence is carried out on a topographic map by using a topographic contour method to obtain a relation curve of the water level of the ice lake and the storage capacity of the ice lake, and the relation curve is marked as a water level-storage capacity curve; estimating the safety superelevation of the dam body according to the related historical parameters of the ice lake, and calculating to obtain a standard water storage level according to the difference between the average height of the dam body and the safety superelevation of the dam body; and finally, acquiring the standard water storage capacity corresponding to the standard water storage level, the maximum water storage capacity corresponding to the average height of the dam body and the current water storage capacity corresponding to the average water level measured in field actual measurement survey on the water level-reservoir capacity curve.
Further, when the relation between the current water storage capacity and the standard water storage capacity and the collected power demand are comprehensively analyzed and a water resource utilization scheme is selected:
if the current water storage capacity is obviously smaller than the standard water storage capacity, adopting a one-way water resource utilization scheme;
if the current water storage capacity is obviously greater than the standard water storage capacity and the electricity demand changes less, adopting a one-way water resource utilization scheme;
if the current water storage capacity is obviously greater than the standard water storage capacity and the electricity demand changes greatly, a combined water resource utilization scheme is adopted;
if the difference value between the current water storage capacity and the standard water storage capacity is small, a scheme of utilizing water resources in a unidirectional mode or a scheme of utilizing water resources in a combined mode can be adopted;
the difference between the current water storage capacity and the standard water storage capacity is not more than 10%, and the difference is small, the daily average power consumption is in the condition of large power demand change in the peak power consumption period and the low power consumption period.
Further, the one-way water resource utilization scheme adopted when the current water storage capacity is obviously less than the standard water storage capacity specifically means that: the one-way water resource utilization scheme adopted when the current water storage capacity is obviously less than the standard water storage capacity specifically means that: firstly, building a water retaining building on a riverway at the downstream of the moraine dam, and forming a reservoir between the moraine dam and the water retaining building; building a water diversion channel in the water retaining structure, and installing a hydroelectric generation device at the tail part of the water retaining structure; and then, putting one end of a water conduit into the ice lake in the moraine dam across the top of the dam, putting the other end of the water conduit into the water reservoir, introducing the water in the ice lake into the water reservoir by utilizing a siphon principle, generating the water in the water reservoir through a hydroelectric generation device after the water storage capacity of the water reservoir is equivalent to the standard water storage capacity of the moraine dam, and irrigating or directly discharging downstream tail water discharged through a tail water pipe of the hydroelectric generation device to a main river channel.
Further, the unidirectional water resource utilization scheme that current water storage capacity is obviously greater than standard water storage capacity and electricity demand changes when less adopts specifically indicates: the hydroelectric generation device is directly installed on the tail part of the reinforced dam body, a water diversion channel is opened on the dam body, water in the ice lake in the tillite dam is led to the hydroelectric generation device, the fall is utilized for power generation, and downstream tail water discharged through a tail water pipeline of the hydroelectric generation device is used for irrigation or is directly discharged to a main river channel.
Further, the combined type water resource utilization scheme that adopts when current water storage capacity is obviously greater than standard water storage capacity and power consumption demand changes greatly specifically indicates: firstly, building a water retaining building in a riverway at the downstream of a tillite dam, forming a reservoir between the tillite dam and the water retaining building, and respectively installing hydraulic power generation devices on a reinforcing dam body and the water retaining building, namely arranging two water-pumping energy storage power stations by utilizing the dam body and the water retaining building; then, taking the dam body of the tillite dam as an upper reservoir, taking the water retaining building as a lower reservoir, and pumping water from the lower reservoir into the reservoir by using the high-power water pump until the accumulated water storage capacity of the reservoir is equivalent to the current water storage capacity of the tillite dam, and stopping pumping water; the hydroelectric power is generated by only utilizing the pumped storage power stations on the dam body during the electricity utilization low peak period, and the hydroelectric power is generated by simultaneously utilizing the two pumped storage power stations on the dam body and the water retaining building during the electricity utilization high peak period; introducing tail water discharged from a pumped storage power station tail water pipeline on the dam body into a reservoir; tail water discharged from a tail water pipeline of a pumped storage power station on a water retaining building is used for irrigation or directly discharged to a main river channel.
Furthermore, when two pumped storage power stations simultaneously carry out hydroelectric power generation, a high-power water pump is used for pumping water from the reservoir to the upper reservoir to supplement water, so that the power generation efficiency is improved.
Further, the size of the water stop building is consistent with that of the moraine dam, and is made using a reinforced concrete material.
It should be noted that in the above water resource utilization schemes, both the unidirectional water resource utilization scheme and the compound water resource utilization scheme convert potential energy formed by water flow fall into electric energy, and the water diversion mode in each specific scheme is not exactly the same only due to differences in parameters such as elevation, water quantity, downstream electricity consumption and the like of the ice lake.
Further, the analyzing the stability of the dam body of the moraine dam specifically comprises: according to a calculation formula of the landform dimensionless accumulation body index, calculating a stability parameter DBI according to the average height of the dam body, the volume of the dam body and the area of the cross section of lake water at the dam body; then according to the calculation formula of the median particle diameter, calculating a median particle diameter parameter lgd from the median particle diameter of the dam body material 50 (ii) a Finally, the comprehensive stability parameter DBI and the median diameter parameter lgd 50 Analyzing the stability of the dam body: if DBI < 3.6 and lgd 50 If the dam body is more than 2.1, the dam body is in a stable state; if DBI > 3.6 or lgd 50 If the dam body is less than 1.0, the dam body is in a destabilization state.
Furthermore, the multi-row pile structure engineering adopts a distribution control mode of three rows of pile structures; the distance between the first row of pile structures and the axis of the top of the moraine dam is 0-0.2 of the average width of the top of the moraine dam, the distance between the second row of pile structures and the axis of the top of the moraine dam is 0.4-0.6 of the average width of the top of the moraine dam, and the distance between the third row of pile structures and the axis of the top of the moraine dam is 0.8-1.0 of the average width of the top of the moraine dam; the distance between the pile structures in the same row is 0.1-0.4 of the length of the burst opening section in the predicted burst parameters; the single pile structure body is a cylindrical structure with the diameter of 0.5-2.0m, and the height of the single pile structure body is 0.5-0.7 of the average height of the dam body; the pile structure body is of a concrete structure or a reinforced concrete structure.
The invention has the following beneficial effects:
(1) According to the resource utilization method for the ice lake water in the alpine regions, the relation between the current water storage capacity and the standard water storage capacity and the electricity demand data are comprehensively analyzed, and a one-way water resource utilization scheme or a combined water resource utilization scheme is selected to utilize the ice lake water resource; not only water resources are converted into clean energy for utilization, but also the risk of forming flood debris flow due to the burst of the ice lake is reduced;
(2) According to the resource utilization method for the ice lake water in the alpine region, disclosed by the invention, the threats and hazards to railways, roads, water conservancy facilities and the like in the downstream region of the ice lake can be reduced to the greatest extent, and the optimization and adjustment of an industrial structure and an energy structure are facilitated, so that the energy conservation and emission reduction are realized;
(3) According to the resource utilization method for the ice lake water in the alpine region, water resources are not used for power generation, agricultural irrigation and the like, but the dam body of the ice moraine dam is reinforced in advance by combining ice lake parameters, so that on one hand, the flood debris flow caused by water storage collapse of the ice lake can be effectively prevented, on the other hand, the reinforced ice moraine dam is utilized to form the upper reservoir of the pumped storage power station, the marginal characteristics are fully utilized, and the resource utilization is more reasonable.
Drawings
Fig. 1 is a schematic structural diagram of a hydraulic engineering in a unidirectional water resource utilization method.
Fig. 2 is a schematic structural diagram of hydraulic engineering in another unidirectional water resource utilization method.
Fig. 3 is a schematic structural diagram of hydraulic engineering in a combined water resource utilization method.
In the figure: 1. an ice lake; 2. a tillite dam; 31. a first row of pile structures; 32. a second row of pile structures; 33. a third row of pile structures; 4. a hydroelectric power generating device; 5. a water conduit; 6. a draft tube; 7. a water diversion channel; 8. a water retaining building.
Detailed Description
The present invention will be described in further detail with reference to the following examples. This should not be understood as limiting the scope of the above-described subject matter of the present invention to the following examples. Various substitutions and alterations according to the general knowledge and conventional practice in the art are intended to be included within the scope of the present invention without departing from the technical spirit of the present invention as described above.
Example 1:
the embodiment discloses a resource utilization method for ice lake water in alpine regions, and a water resource utilization scheme is determined for an ice lake 1 with a moraine dam 2. The method comprises the steps of firstly, obtaining ice lake parameters by a method combining multi-source remote sensing measurement and field actual measurement investigation and check, and analyzing the dam body stability of the moraine dam 2; then, performing multi-row pile structure engineering facility distribution control according to the analysis result of the dam body stability, the design standard requirement of the downstream protection object of the moraine dam 2 and the predicted burst parameter, thereby reinforcing the dam body; and then obtaining the current water storage capacity, the maximum water storage capacity and the standard water storage capacity of the tillite dam 2, comprehensively analyzing the relation between the current water storage capacity and the standard water storage capacity and the collected power utilization requirement, and then selecting a one-way water resource utilization scheme or a combined water resource utilization scheme.
When multi-source remote sensing measurement is carried out, a plurality of mature technologies such as a large-scale map measurement technology and the like are adopted, and a plurality of ice lake parameters are obtained together by means of on-site actual measurement, survey, check and the like and are used as one of important reference data of subsequent engineering design. In practical engineering design, the parameters of the ice lake involved are very many, including but not limited to: the average water level, the average width of the dam crest, the average height of the dam body, the volume of the dam body, the cross-sectional area of the lake water at the dam body, the median particle size of the dam body substance, the storage capacity of the ice lake, the elevation of the dam crest, the axial length of the dam crest and the like, and the related historical parameters of the ice lake. Likewise, in actual engineering design, the number of predicted crash parameters involved is very large, including but not limited to: the length of the burst port section, the flood volume, the downstream flood volume and the like are only the length of the burst port section, which is the main data used in the technical scheme. The length of the burst opening section is the length of the position of the icetil dam 2 where the burst is likely to occur along the direction vertical to the river, and can be obtained by field mapping.
In order to prevent the collapse disaster caused by the instability of the moraine dam 2 in the water resource utilization process, the stability of the moraine dam 2 needs to be analyzed, and corresponding reinforcing measures are selected according to the stable state of the moraine dam. Usually, the dam body is only required to be reinforced when in an unstable state, but the requirements of stability, service life and the like of the hydraulic engineering are comprehensively considered, and the dam body is required to be reinforced whether the dam body is stable or not in the method, and only the reinforcement measures are different.
Compared with the prior art, the method of the embodiment provides two different ice lake water resource utilization schemes, namely a one-way water resource utilization scheme and a composite water resource utilization scheme; and a scientific method for determining a water resource utilization scheme suitable for each ice lake 1 by comprehensively analyzing the collected power demand data according to the relation between the current water storage capacity and the standard water storage capacity is provided.
Example 2:
the embodiment further illustrates, based on embodiment 1, that the resource utilization method of the ice lake water in the alpine and alpine regions specifically includes the following steps S1 to S5.
Step S1: firstly, a plurality of ice lake parameters are obtained by a method of combining multi-source remote sensing measurement and field actual measurement investigation and check.
The ice lake parameters include:
the average water level h is m;
the average width B of the dam crest is m;
the average height H of the dam body is m;
dam volume V, unit: m is 3 ；
Lake water cross section area A at dam body C The unit: m is 2 ；
Median particle diameter d50 of dam material, unit: mm;
the predicted crash parameters include:
length L of burst section 0 Unit ofIs m.
Step S2: the stability of the body of the tillite dam 2 was analyzed.
In the study of dam stability discrimination, a deposit Index, english Block Index, BI for short, is proposed by the predecessor; the calculation formula is as follows:
subsequently, IERMINI et al provide a landform Dimensionless stacking Index for effectively judging the stability of the dam body by using the verification of 84 actual cases, wherein the English is a Dimensionless Block Index, DBI for short; the calculation formula is as follows:
the average height index of the dam body is newly added in the formula and used as an important quantity value for evaluating whether the dam body is stable under overtopping and piping damage. However, the DBI formula cannot achieve complete accuracy of the determination result, and the influence of the dam material composition needs to be further considered to increase the reliability of the determination result; therefore, stability parameter DBI and median particle size parameter lgd are used 50 And analyzing the stability of the dam body.
The principle of judging the dam body by using the formula is as follows: if DBI < 3.6 and lgd 50 If the dam body is more than 2.1, the dam body is in a stable state; if DBI > 3.6 or lgd 50 If the dam body is less than 1.0, the dam body is in a destabilization state.
And step S3: and then, performing multi-row pile structure engineering facility distribution control according to the analysis result of the dam body stability, the design standard requirement of the downstream protection object of the moraine dam 2 and the predicted burst parameter, thereby reinforcing the dam body.
In order to prevent the collapse disaster caused by the instability of the moraine dam 2 in the process of utilizing the water resources, the dam body of the moraine dam 2 needs to be reinforced. The adopted reinforcement measure is used in the way of' patent application No. CN201610630522.9; the pile structure engineering adopted in the Chinese invention patent with the granted publication number of CN 106250635B' is basically the same.
When a row of pile structures are arranged, the distance between the pile structures and the axis of the dam crest is 0-0.2 of the average width B of the dam crest.
When two rows of pile structures are arranged, the distance between the first row of pile structures 31 and the axis of the dam crest is 0-0.2 of the average width B of the dam crest, and the distance between the second row of pile structures 32 and the axis of the dam crest is 0.4-0.6 of the average width B of the dam crest.
When three rows of pile structures are arranged, the distance between the first row of pile structures 31 and the axis of the dam crest is 0-0.2 of the average width B of the dam crest, the distance between the second row of pile structures 32 and the axis of the dam crest is 0.4-0.6 of the average width B of the dam crest, and the distance between the third row of pile structures 33 and the axis of the dam crest is 0.8-1.0 of the average width B of the dam crest.
After the requirements of stability, service life and the like of the whole hydraulic engineering are comprehensively considered, as a preferred embodiment, a scheme for laying three rows of pile structures is generally selected. And the distance b between the pile structures in the same row is the length L of the burst section in the predicted burst parameter 0 0.1-0.4.
Furthermore, the single pile structure body is a cylinder structure with the diameter of 0.5-2.0m, and the height of the single pile structure body is 0.5-0.7 of the average height of the dam body.
Furthermore, the pile structure is of a concrete structure or a reinforced concrete structure. The concrete is generally C20 or C25, and the reinforcement ratio of the reinforced concrete pile structure is generally 0.5 to 1.5 percent.
And step S4: obtaining the current water storage V of the ice tillite dam 2 n Maximum water storage volume V max And standard water storage volume V S 。
Firstly, point convergence is carried out on a topographic map by using a topographic contour method to obtain a relation curve of the water level of the ice lake and the storage capacity of the ice lake, and the relation curve is marked as a water level-storage capacity curve.
And then estimating the safety superelevation of the dam body according to the related historical parameters of the ice lake, and calculating to obtain the standard water storage level according to the difference value of the average height of the dam body and the safety superelevation of the dam body.
Namely, the standard water storage level is calculated according to the following formula:
wherein R is p The water level climbing value of the accumulated frequency p can be taken in the range of 0.99-2.66 according to the actual situation;
h z in the scheme, the influence of the wind waves is not considered, and the value is 0;
a is a safe heightening value generally in the range of 0.5-1.5.
d is the dam body is ultrahigh in safety and unit: m;
h is the average height of the dam body, unit: m;
H S is a standard water storage level, unit: and m is selected.
Of course, the dam body safety is ultrahigh, and the empirical value can be directly obtained without the calculation.
Finally, on the water level-reservoir capacity curve, obtaining the current water storage volume V corresponding to the average water level h measured in the field measurement investigation n The maximum water storage capacity V corresponding to the average height H of the dam body max And a standard water storage level H S Corresponding standard water storage capacity V S 。
Specifically, the method comprises the following steps: obtaining the corresponding current water storage capacity V on the water level-reservoir capacity curve by the average water level h obtained by field actual measurement n Obtaining the corresponding maximum water storage volume V on the water level-reservoir capacity curve according to the average height H of the dam body max From a standard water level H S Obtaining corresponding standard water storage capacity V on a water level-reservoir capacity curve S 。
Step S5: after the relation between the current water storage capacity and the standard water storage capacity and the collected power utilization demand are comprehensively analyzed, a one-way water resource utilization scheme or a combined water resource utilization scheme is selected.
The ice lake 1 is generally positioned above the altitude of 3500m, and has strong potential energy characteristics, if the icetil dam 2 is burst, the high potential energy of the burst flood is converted into strong kinetic energy, the high potential energy water resources of the ice lake 1 can be effectively utilized by referring to the construction thought of the conventional large reservoir, and two methods of direct one-way utilization and compound utilization are provided; and a proper water resource utilization scheme is selected according to the comparison result of the current water storage capacity and the standard water storage capacity and the electricity utilization requirements of nearby residents, enterprises and the like.
Further, the relation between the current water storage capacity and the standard water storage capacity is comprehensively analyzed, and four main situations are mainly classified when the water resource utilization scheme is selected according to the collected power demand. The difference between the current water storage capacity and the standard water storage capacity is not more than 10%, and the difference is small, and the daily average power consumption has the condition that the power consumption peak period and the power consumption low peak period are large in power consumption demand change.
The first type: if the current water storage capacity is obviously less than the standard water storage capacity, a one-way water resource utilization scheme is adopted.
The unidirectional water resource utilization scheme at this moment specifically means: firstly, building a water retaining building 8 in a river channel at the downstream of the moraine dam 2, forming a reservoir between the moraine dam 2 and the water retaining building 8, and installing a hydroelectric generation device 4 at the tail part of the water retaining building 8; and then one end of a water conduit 5 is placed in the ice lake 1 in the moraine dam 2 across the top of the dam, the other end of the water conduit 5 is placed in the reservoir, water in the ice lake 1 is introduced into the reservoir by utilizing the siphon principle, after the water storage capacity of the reservoir is equivalent to the standard water storage capacity of the moraine dam 2, the water in the reservoir is used for generating power through a hydroelectric generation device 4, and downstream tail water discharged through a tail water pipe 6 of the hydroelectric generation device 4 is used for irrigating or is directly discharged to a main river channel.
The second type: if the current water storage capacity is obviously larger than the standard water storage capacity and the electricity demand changes less, a one-way water resource utilization scheme is adopted.
The unidirectional water resource utilization scheme at this moment specifically means: the hydroelectric generation device 4 is directly installed at the tail part of the reinforced dam body, a water diversion channel 7 is opened on the dam body, water in the ice lake 1 in the ice-tilth dam 2 is led to the hydroelectric generation device 4, the fall is utilized for generating electricity, and downstream tail water discharged through a tail water pipe 6 of the hydroelectric generation device 4 is used for irrigation or is directly discharged to a main river channel.
In the third category: if the current water storage capacity is obviously larger than the standard water storage capacity and the electricity demand changes greatly, a combined water resource utilization scheme is adopted.
At this moment, the combined water resource utilization scheme specifically refers to: firstly, building a water-retaining building 8 in a river channel at the downstream of the icetil dam 2, forming a reservoir between the icetil dam 2 and the water-retaining building 8, and respectively installing hydraulic power generation devices 4 on a reinforcing dam body and the water-retaining building 8, namely setting two water-pumping energy-storage power stations by utilizing the dam body and the water-retaining building 8; then, taking the dam body of the moraine dam 2 as an upper reservoir, taking the water retaining building 8 as a lower reservoir, and pumping water from the lower reservoir to the reservoir by using the high-power water pump until the accumulated water storage capacity of the reservoir is equivalent to the current water storage capacity of the moraine dam 2, and stopping pumping water; hydroelectric power generation is carried out only by using the pumped storage power stations on the dam body during the electricity utilization low peak period, and hydroelectric power generation is carried out simultaneously by using the two pumped storage power stations on the dam body and the water retaining building 8 during the electricity utilization high peak period; introducing tail water discharged from a pumped storage power station tail water pipe 6 on the dam body into a reservoir; the tail water discharged through the pumped storage power station draft tube 6 on the water retaining building 8 is used for irrigation or directly discharged to the main river. Furthermore, when two pumped storage power stations simultaneously carry out hydroelectric power generation, a high-power water pump is used for pumping water from the reservoir to the upper reservoir to supplement water, so that the power generation efficiency is improved.
Wherein, a proper high-power water pump is selected according to the pumping amount per hour. The hourly water pumping amount is generally calculated by the following method: firstly, the water quantity V of glacier is utilized in the related historical parameters of the ice lake 1 Water melting amount V for ice and snow on day 2 The sum of the daily water storage V d (ii) a Then according to the storage capacity V of the reservoir n Daily water storage capacity V d The ratio of the time t of the power consumption peak in the power consumption demand to the time Q of the power consumption peak is finally obtained, namely:
V d = V 1 +V 2 （3）
Q =（V n - V d ）/ t （4）。
the fourth type: if the difference value between the current water storage capacity and the standard water storage capacity is small, a scheme of utilizing water resources in a unidirectional mode or a scheme of utilizing water resources in a combined mode can be adopted.
That is, when the difference between the current water storage capacity and the standard water storage capacity is small, any one of the hydraulic engineering design schemes provided in the three situations can be adopted.
In another embodiment, the size of the water retaining building 8 is identical to that of the moraine dam 2, and is made of a reinforced concrete material.
In another embodiment the hydro-power generation device 4 comprises a turbine generator set, a penstock 5, a draft tube 6, a floodgate, etc. The hydroelectric generation device 4 is a mature technology, and the structure of the hydroelectric generation device 4 is not improved in the invention, but the commercial hydroelectric generation device 4 is used for generating electricity, so that the detailed description is omitted.
Example 3:
this example is described in more detail with reference to specific examples on the basis of example 1 or example 2.
An ice lake 1 exists in a certain watershed of the mountain area at an altitude of 3800m, the length of a channel in a downstream area of the ice lake 1 is 70km, and the average longitudinal ratio is reduced by 5%. Through field investigation, the storage capacity of the ice lake 1 is 200 × 10 when the ice lake is filled with water 4 m 3 In order to furthest ensure the safety of downstream engineering infrastructure and the principle of water resource utilization and conversion, a resource utilization method of ice lake water in alpine regions is adopted, and the specific implementation steps are as follows.
Firstly, through large scale measurement and on-site investigation and check, the average height H of the dam body of the moraine dam 2 is 60m, the average width B of the dam crest is 12m, and the axial length L of the dam crest is found b Is 150m, the predicted burst length L 0 40m, the current water level elevation of the ice lake 1 is 3850m, the average water level of the lake is 45m, and the median particle size d of the dam body material is determined by sampling on site and carrying out a screening test 50 20mm, the catchment area is called the lake water cross section area A at the dam body C Is 30 x 10 6 m 2 Dam bodyVolume V of 3.6X 10 6 m 3 。
Calculating stability parameter DBI and median diameter parameter lgd according to DBI formula and median diameter parameter calculation formula 50 ：
Since DBI < 3.6,1.0 < lg (d) 50 ) If the dam body is less than 2.1, the dam body does not conform to a complete stable state, so in order to prevent the damage caused by the dam body, engineering measures are needed to be taken for reinforcement.
And then, reinforcing the dam body of the moraine dam 2 by adopting a multi-row pile structural body engineering. Specifically, 3 rows of pile structures are arranged downstream of the top axis of the ice tilery dam 2, the distance between the first row of pile structures 31 and the top axis of the dam is 0.2 times and 2.4m larger than the average width B of the top of the body of the ice tilery dam 2, the distance between the second row of pile structures 32 and the top axis of the dam is 0.5 times and 6.0m larger than the average width B of the top of the body of the ice tilery dam 2, and the distance between the third row of pile structures 33 and the top axis of the dam is 0.8 times and 9.6m larger than the average width B of the top of the body of the ice tilery dam 2. In order to ensure that the distance distribution of the pile structures meets the requirement of suitability, the distance b between the pile structures in the same row is the length L of the burst section 0 0.2 times of (A), 8m. The pile structure body is a cylindrical structure with the diameter of 2.0m, and the height of the pile structure body is 30m which is 0.5 times of the average height H of the moraine dam 2 body. The pile structure adopts a reinforced concrete structure, the concrete is C25, and the reinforcement ratio of the reinforced concrete pile structure is 1.5%.
Then, the safe super-high distance d is taken to be 3.0 according to experience, and the standard water storage level H is determined S = H-d =57, unit m; then according to the average water level H, the average dam height H and the standard water storage level H measured in the field actual measurement investigation S Finding out the corresponding current water storage volume V on the water level-storage capacity curve n Is 150X 10 4 m 3 Maximum water storage volume V max Is 200X 10 4 m 3 Standard water storage volume V S Is 170 multiplied by 10 4 m 3 。
Finally, due to the current water storage volume V n Is obviously less than the standard water storage volume V S And a direct one-way water resource utilization scheme is adopted. At this time, as shown in fig. 2, a water-blocking building 8 is built in the river channel downstream of the moraine dam 2, and a reservoir is formed between the moraine dam 2 and the water-blocking building 8; building a water diversion channel 7 in the water retaining structure 8, and installing a hydroelectric generation device 4 at the tail part of the water retaining structure 8; and then one end of a water conduit 5 is placed in the ice lake 1 in the moraine dam 2 across the top of the dam, the other end of the water conduit 5 is placed in the water reservoir, water in the ice lake 1 is introduced into the reservoir by utilizing the siphon principle, after the water storage capacity of the reservoir is equivalent to the standard water storage capacity of the moraine dam 2, a reservoir water storage valve is started, the water in the reservoir is used for generating power through a hydroelectric generation device 4 and is used by downstream residents, and downstream tail water discharged through a tail water pipe 6 of the hydroelectric generation device 4 is used for irrigating or is directly discharged to a main river channel.
In order to meet the requirement for water resource utilization, the large-length water guide pipe 5 is used for penetrating into a reservoir formed by the ice lake 1, the water-retaining building 8 and the moraine dam 2, the lake water in the dam body is guided into the reservoir by utilizing the siphon principle, the accumulation is carried out, after the water storage capacity in the reservoir basically reaches the standard water storage capacity of the dam body, the water storage valve of the reservoir is started, the turbine generator set in the hydroelectric generation device 4 is used for generating electricity for downstream residents, and the tail water passes through the tail water pipe 6 and is drained to a farmland area through the downstream for irrigation.
Example 4:
this example is described in more detail with reference to specific examples on the basis of example 1 or example 2.
An ice lake 1 exists at the altitude of 3500m of a certain watershed of the Qinghai-Tibet plateau, the length of a channel of a downstream area of the ice lake 1 is 50km, and the average longitudinal ratio is reduced by 6%. Through field investigation, the total water storage capacity of the ice lake 1 under the condition of full water is 500 multiplied by 10 4 m 3 In order to furthest ensure the safety of downstream engineering infrastructure and the principle of water resource utilization and conversion, the concrete implementation steps are as follows:
firstly, the large scale measurement and the on-site investigation and check are carried outThe average height H of the dam body of the ice-making tillite dam 2 is 60m, the average width B of the top of the dam is 12m, and the axial length L of the top of the dam b Is 150m, predicted burst length L 0 40m, the current water level elevation of the ice lake 1 is 3560m, the average water level of the lake is 50m, and the median particle size d of the dam body material is determined by field sampling and screening test 50 250mm, the catchment area is called the lake water cross section area A at the dam body c Is 50X 10 6 m 2 The volume V of the dam body is 1.5 multiplied by 10 6 m 3 。
Calculating stability parameter DBI and median diameter parameter lgd according to DBI formula and median diameter parameter calculation formula 50 ：
Since DBI < 3.6,lg (d) 50 ) If the dam body is more than 2.1, the dam body accords with the stable state, and if the engineering cost is considered, no reinforcing measure can be carried out, or only a foundation reinforcing measure is adopted. However, in consideration of the service life, stability and the like of the whole hydraulic engineering, reinforcement measures are still adopted.
Then, the safe super-high distance d is taken to be 3.0 according to experience, and the standard water storage level H is calculated and determined S = H-d =57, unit m; then according to the average water level H, the average dam height H and the standard water storage level H measured in the field actual measurement investigation S The corresponding current water storage capacity V is searched on the water level-storage capacity curve n Is 467 × 10 4 m 3 Maximum water storage volume V max Is 500X 10 4 m 3 Standard water storage V S Is 405X 10 4 m 3 。
Due to the current water storage volume V n Obviously greater than the standard water storage capacity V S And when the electricity demand changes less, the scheme of unidirectional water resource utilization is adopted. At this time, as shown in fig. 1, the hydroelectric power generation device is directly arranged at the tail part of the reinforced dam bodyAnd 4, opening a water diversion channel 7 on the dam body, or arranging a pressure steel pipe with the diameter of 1m in the water diversion channel 7, leading the water in the ice lake 1 in the moraine dam 2 to the hydroelectric generation device 4, generating power by utilizing the fall, and using the downstream tail water discharged by the tail water pipe 6 of the hydroelectric generation device 4 for irrigation or directly discharging to the main river channel.
Example 5:
this example is described in more detail with reference to specific examples on the basis of example 1 or example 2.
An ice lake 1 exists in a certain watershed of the mountain area at the altitude of 4500m, the length of a channel in the downstream area of the ice lake 1 is 100km, and the average longitudinal ratio is reduced by 5%. Through field investigation, the storage capacity of the ice lake 1 is 600X 10 under the condition of full water storage 4 m 3 In order to guarantee the safety of downstream engineering infrastructure and the principle of water resource utilization and conversion to the greatest extent and meet the power consumption requirements of downstream residents in low peak and high peak periods of power consumption, a resource utilization method of ice lake water in alpine regions is adopted, and the specific implementation steps are as follows.
Firstly, through large scale measurement and on-site investigation and check, the average height H of the dam body of the moraine dam 2 is 100m, the average width B of the dam crest is 20m, and the axial length L of the dam crest is found b A predicted burst length L of 260m 0 The height of the current water level of the ice lake 1 is 4590m, the average water level of the lake is 83m, and the median particle size d of dam body substances is determined by sampling on site and performing a screening test 50 35mm, the catchment area is called the lake water cross section area A at the dam body C Is 70X 10 6 m 2 The volume V of the dam body is 2.43 multiplied by 10 8 m 3 。
Calculating stability parameter DBI and median diameter parameter lgd according to DBI formula and median diameter parameter calculation formula 50 ：
Since DBI < 3.6,1.0 < lg (d) 50 ) If the dam body is less than 2.1, the dam body does not conform to a complete stable state, so in order to prevent the damage caused by the dam body, engineering measures are needed to be taken for reinforcement.
And then reinforcing the dam body of the moraine dam 2 by adopting a multi-row pile structure engineering. Specifically, 3 rows of pile structures are arranged downstream of the top axis of the ice tillite dam 2, the distance from the first row of pile structures 31 to the top axis of the dam is 0.2 times and 4m of the average top width B of the ice tillite dam 2, the distance from the second row of pile structures 32 to the top axis of the dam is 0.5 times and 10m of the average top width B of the ice tillite dam 2, and the distance from the third row of pile structures 33 to the top axis of the dam is 0.8 times and 16m of the average top width B of the ice tillite dam 2. In order to ensure that the distance distribution of the pile structures meets the requirement of suitability, the distance b between the pile structures in the same row is the length L of the burst section 0 Is 16m at 0.2 times of the total. The pile structure body is a cylindrical structure with the diameter of 2.0m, and the height of the pile structure body is 50m which is 0.5 times of the average height H of the body of the moraine dam 2. The pile structure adopts a reinforced concrete structure, the concrete is C25, and the reinforcement ratio of the reinforced concrete pile structure is 1.5%.
Then, the safe super-high distance d is taken to be 3.0 according to experience, and the standard water storage level H is determined S H-d =97, unit m; then according to the average water level H, the average dam height H and the standard water storage level H measured in the field actual measurement investigation S Finding out the corresponding current water storage volume V on the water level-storage capacity curve n Is 500X 10 4 m 3 Maximum water storage capacity V max Is 600 x 10 4 m 3 Standard water storage volume V S Is 450X 10 4 m 3 。
Further on-site visit investigation finds that daily average electricity consumption of residents and factories at the downstream of the dam body is not kept unchanged, but the electricity consumption peak and the electricity consumption low peak exist in a certain period. For the sake of cost of electricity generation, at the same time due to the current water storage volume V n Greater than standard water storage capacity V S Therefore, a combined water resource utilization scheme is adopted for converting and utilizing water resources.
As shown in fig. 3, a hydroelectric power generating device 4 is firstly built in a reinforced dam body; a water retaining building 8 is built at a river channel at the downstream of the dam body, the size of the water retaining building 8 is consistent with that of the dam body, meanwhile, a hydroelectric generation device 4 is also built in the water retaining building 8, and the hydroelectric generation device 4 is consistent with the hydroelectric generation device 4 in the dam body; the dam body and the water retaining building 8 are used as two pumped storage power stations, the reinforced moraine dam 2 is an upper reservoir of the pumped storage power station, and the water retaining building 8 at the downstream river channel is used as a lower reservoir of the pumped storage power station; and pumping water from the lower reservoir into the reservoir by using the high-power water pump until the accumulated water storage amount of the reservoir is equivalent to the current water storage amount of the moraine dam 2, and stopping pumping water. The hydroelectric power generating device 4 is a water diversion power generating facility.
Hydroelectric power generation is carried out only by using the pumped storage power stations on the dam body during the electricity consumption peak period, and hydroelectric power generation is carried out simultaneously by using the two pumped storage power stations on the dam body and the water retaining building 8 during the electricity consumption peak period; introducing tail water discharged from a pumped storage power station tail water pipe 6 on the dam body into a reservoir; the tailwater discharged via the pumped storage power station tailwater pipe 6 on the retaining structure 8 is used for irrigation or directly discharged.
Investigation of glaciers and ice lakes 1 in this area confirmed that glaciers V are currently being used 1 Is 450X 10 4 m 3 Day ice and snow melting amount V 2 Is 8640m 3 The daily water demand V d About 450X 10 4 m 3 When the peak time is 11h, the hourly water pumping quantity Q of the selected water pump is Q = (500 x 10) 4 -450×10 4 ）/11=4.55×10 4 And (t/h), water can be pumped by using 70 water pumps with the power of 650 t/h. When the water volume in the dam body and the reservoir is insufficient, the high-power water pump is used for pumping water from the reservoir to the water storage tank to supplement water, the power generation efficiency is improved, and the power consumption requirements of downstream residents and factories can be met.
Example 6:
this example is described in more detail with reference to specific examples on the basis of example 1 or example 2.
An ice lake 1 exists at the place of a certain river basin of the Qinghai-Tibet plateau with the altitude of 4000m, the length of a channel of the downstream area of the ice lake 1 is 20km, and the average longitudinal ratio is reduced by 6%. Through field investigation, the storage capacity of the ice lake 1 is 300 under the condition of full water storage×10 4 m 3 Once the iced lake 1 burst disaster occurs, serious threats are caused to downstream engineering infrastructure and residents, and the method provided by the invention can be utilized to convert the burst threat into resources beneficial to people by taking the utilization value of iced lake water resources into consideration, and the specific implementation steps are as follows:
firstly, through large scale measurement and on-site investigation and check, the average height H of the dam body of the moraine dam 2 is 45m, the average width B of the dam crest is 15m, and the axial length L of the dam crest is found b Is 80m, the predicted length L of the burst section 0 20m, 4050m and 40m, and determining the median particle diameter d of dam material by sampling in situ and performing a screening test 50 30mm, the catchment area is called the lake water cross section area A at the dam body c Is 20X 10 6 m 2 The volume V of the dam body is 2.8 multiplied by 10 6 m 3 。
Calculating stability parameter DBI and median particle diameter parameter lgd according to DBI formula and median particle diameter parameter calculation formula 50 ：
Since DBI < 3.6,1.0 < lg (d) 50 ) If the dam body is less than 2.1, the dam body does not conform to a complete stable state, so in order to prevent the damage caused by the dam body, engineering measures are needed to be taken for reinforcement.
And then, reinforcing the dam body of the moraine dam 2 by adopting a multi-row pile structural body engineering. Specifically, 3 rows of pile structures are arranged downstream of the top axis of the ice and moraine dam 2, the distance from the first row of pile structures 31 to the top axis of the dam is 0.2 times and 3m of the average top width B of the ice and moraine dam 2, the distance from the second row of pile structures 32 to the top axis of the dam is 0.5 times and 7.5m of the average top width B of the ice and moraine dam 2, and the distance from the third row of pile structures 33 to the top axis of the dam is the average top width B of the ice and moraine dam 2The width B was 12m, 0.8 times the width B. In order to ensure that the distance distribution of the pile structures meets the requirement of suitability, the distance b between the pile structures in the same row is the length L of the burst section 0 0.2 times of (1) and is 4m. The pile structure body is a cylinder structure with the diameter of 2.0m, and the height of the pile structure body is 0.5 time of the average height H of the moraine dam 2 body and is 22.5m. The pile structure is of a reinforced concrete structure, the concrete is C25, and the reinforcement rate of the reinforced concrete pile structure is 1.5%.
Then, the safe super-high distance d is taken to be 3.0 according to experience, and the standard water storage level H is calculated and determined S H-d = 42, unit m; then according to the average water level H, the average dam height H and the standard water storage level H measured in the field actual measurement investigation S Finding out the corresponding current water storage volume V on the water level-storage capacity curve n Is 180 x 10 4 m 3 Maximum water storage volume V max Is 300 x 10 4 m 3 Standard water storage V S Is 170X 10 4 m 3 。
Finally, due to the standard water storage V S The upper and lower fluctuation 10% is 153X 10 4 m 3 -187×10 4 m 3 Therefore, the difference between the two is not great, and a one-way water resource utilization scheme as shown in fig. 1 or fig. 2 can be selected. This embodiment sets up diversion channel 7 at the position that ice and moraine dam 2 apart from 5m above the lakebed and be less than standard water storage level, and the installation diameter is 1.0 m's pressure steel pipe in the diversion channel 7, and the low reaches are connected with the generating set factory building, through the turbo generator set hydroelectric generation who installs in the generating set factory building, supply the low reaches resident to use, and the tail water passes through draft pipe 6 and excretes to the farmland district via the low reaches and irrigate.
The other parts of this embodiment are the same as those of embodiment 1 or 2, and thus are not described again.
Example 7:
this example is described in more detail with reference to specific examples based on example 1 or example 2.
In this embodiment, a penstock is provided in the penstock 7 and is connected to the penstock 5. The diameter of the pressure steel pipe is 0.5-1.0m. The installation positions of the pressure steel pipes are arranged among the pile structures, and a plurality of pressure steel pipes are arranged at equal intervals; the installation height of the pressure steel pipe is 5-10m above the bottom of the ice lake 1.
The waterproof valve is installed between the first row of pile structures 31 and the second row of pile structures 32. The turbine generator set is connected with the voltage receiving end and stores the electric energy converted from the water energy.
When the waterproof valve is opened, water flows through the pressure steel pipe and enters the water conduit 5 to drive the turbine generator set to work to generate electricity, and then is discharged or transferred to the next group of hydroelectric generation devices 4 through the tail water pipe 6.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are within the scope of the present invention.
Claims (10)
1. A resource utilization method of ice lake water in alpine regions of a mountain is characterized in that a water resource utilization scheme is determined for an ice lake (1) with a moraine dam (2), the method is characterized in that firstly, by means of a method combining multi-source remote sensing measurement and field actual measurement investigation and check, ice lake parameters are obtained, and the stability of a dam body of the moraine dam (2) is analyzed; then, performing multi-row pile column structure engineering facility distribution control according to the analysis result of the dam body stability, the design standard requirement of the downstream protection object of the moraine dam (2) and the predicted burst parameter, thereby reinforcing the dam body; then obtaining the current water storage capacity, the maximum water storage capacity and the standard water storage capacity of the tillite dam (2), comprehensively analyzing the relation between the current water storage capacity and the standard water storage capacity and the collected power utilization requirement, and selecting a one-way water resource utilization scheme or a combined water resource utilization scheme;
the ice lake parameters include: the average water level, the average width of the dam crest, the average height of the dam body, the volume of the dam body, the cross section area of lake water at the dam body and the median particle size of dam body substances;
the predicted crash parameters include: length of the breach section.
2. The resource utilization method for the ice lake water in the alpine regions as claimed in claim 1, wherein the obtaining of the current water storage capacity, the maximum water storage capacity and the standard water storage capacity of the tillite dam (2) specifically means: firstly, point convergence is carried out on a topographic map by using a topographic contour method to obtain a relation curve of the water level of the ice lake and the storage capacity of the ice lake, and the relation curve is marked as a water level-storage capacity curve; then estimating the safety superelevation of the dam body according to the related historical parameters of the ice lake, and calculating to obtain a standard water storage level according to the difference value of the average height of the dam body and the safety superelevation of the dam body; and finally, acquiring the standard water storage amount corresponding to the standard water storage level, the maximum water storage amount corresponding to the average height of the dam body and the current water storage amount corresponding to the average water level measured in field actual measurement investigation on the water level-storage capacity curve.
3. The resource utilization method of the ice lake water in the alpine regions of the alpine regions as claimed in claim 1,
if the current water storage capacity is obviously smaller than the standard water storage capacity, adopting a one-way water resource utilization scheme;
if the current water storage capacity is obviously greater than the standard water storage capacity and the electricity demand changes less, adopting a one-way water resource utilization scheme;
if the current water storage capacity is obviously greater than the standard water storage capacity and the electricity demand changes greatly, a combined water resource utilization scheme is adopted;
if the difference value between the current water storage capacity and the standard water storage capacity is small, a scheme of utilizing water resources in a unidirectional mode or a scheme of utilizing water resources in a combined mode can be adopted;
the difference between the current water storage capacity and the standard water storage capacity is not more than 10%, and the difference is small, the daily average power consumption is in the condition of large power demand change in the peak power consumption period and the low power consumption period.
4. The resource utilization method for the ice lake water in the alpine regions as claimed in claim 3, wherein the unidirectional water resource utilization scheme adopted when the current water storage capacity is significantly less than the standard water storage capacity specifically means: firstly, building a water retaining building (8) in a river channel at the downstream of the moraine dam (2), and forming a reservoir between the moraine dam (2) and the water retaining building (8); building a water diversion channel (7) in the water retaining structure (8), and installing a hydroelectric generation device (4) at the tail of the water retaining structure (8); and then one end of a water conduit (5) is placed in the ice lake (1) in the moraine dam (2) across the top of the dam, the other end of the water conduit (5) is placed in the water reservoir, water in the ice lake (1) is introduced into the water reservoir by utilizing the siphon principle, after the water storage capacity of the water reservoir is equivalent to the standard water storage capacity of the moraine dam (2), the water in the water reservoir is used for generating electricity through a hydroelectric generation device (4), and downstream tail water discharged through a tail water pipe (6) of the hydroelectric generation device (4) is used for irrigating or is directly discharged to a main river channel.
5. The resource utilization method for the ice lake water in the alpine region of the alpine region as claimed in claim 3, wherein the one-way water resource utilization scheme adopted when the current water storage capacity is obviously greater than the standard water storage capacity and the electricity demand changes little is specifically as follows: the hydroelectric generation device (4) is directly installed at the tail of the reinforced dam body, a water diversion channel (7) is opened on the dam body, water in the ice lake (1) in the moraine dam (2) is led to the hydroelectric generation device (4), the fall is utilized for power generation, and downstream tail water discharged through a tail water pipe (6) of the hydroelectric generation device (4) is used for irrigation or directly discharged to a main river channel.
6. The resource utilization method for the ice lake water in the alpine regions of the mountains and the alpine regions as claimed in claim 3, wherein the composite water resource utilization scheme adopted when the current water storage capacity is obviously greater than the standard water storage capacity and the power demand changes greatly specifically means that: firstly, building a water retaining building (8) in a river channel at the downstream of the moraine dam (2), forming a reservoir between the moraine dam (2) and the water retaining building (8), and respectively installing hydroelectric generation devices (4) on a reinforcing dam body and the water retaining building (8), namely setting two water-pumping energy-storage power stations by utilizing the dam body and the water retaining building (8); then, taking the dam body of the tillite dam (2) as an upper reservoir, taking the water retaining building (8) as a lower reservoir, and pumping water from the lower reservoir into the reservoir by using the high-power water pump until the accumulated water storage capacity of the reservoir is equivalent to the current water storage capacity of the tillite dam (2), and stopping pumping water; hydroelectric power generation is carried out only by using the pumped storage power stations on the dam body during the electricity consumption peak period, and hydroelectric power generation is carried out simultaneously by using the two pumped storage power stations on the dam body and the water retaining structure (8) during the electricity consumption peak period; introducing tail water discharged from a pumped storage power station tail water pipe (6) on the dam body into the reservoir; the tail water discharged from the tail water pipe (6) of the pumped storage power station on the water retaining building (8) is used for irrigation or directly discharged to a main river channel.
7. The resource utilization method for the ice lake water in the alpine region of the alpine region as claimed in claim 6, wherein when two pumped storage power stations perform hydraulic power generation simultaneously, a high-power water pump is used for pumping water from the reservoir to the upper reservoir to supplement the water, so that the power generation efficiency is improved.
8. The resource utilization method of the ice lake water in the alpine regions as claimed in any one of claims 4 to 7, wherein the size of the water retaining structure (8) is consistent with that of the moraine dam (2), and the water retaining structure is made of reinforced concrete material.
9. The resource utilization method for the ice lake water in the alpine regions as claimed in claim 8, wherein the analyzing the stability of the dam body of the tillite dam (2) specifically means: according to a calculation formula of the landform dimensionless accumulation body index, calculating a stability parameter DBI according to the average height of the dam body, the volume of the dam body and the area of the cross section of lake water at the dam body; then according to the calculation formula of the median particle diameter, calculating a median particle diameter parameter lgd from the median particle diameter of the dam body material 50 (ii) a Finally, the comprehensive stability parameter DBI and the median diameter parameter lgd 50 Analyzing the dam body stability: if DBI < 3.6 and lgd 50 If the dam body is more than 2.1, the dam body is in a stable state; if DBI > 3.6 or lgd 50 If the dam body is less than 1.0, the dam body is in a destabilization state.
10. The resource utilization method of the ice lake water in the alpine region of the alpine region according to any one of claims 1, 2, 3, 4, 5, 6, 7 and 9, characterized in that the multi-row pile structure engineering adopts a distribution and control mode of three rows of pile structures; the distance between the first row of pile structures (31) and the axis of the top of the dam is 0-0.2 of the average width of the top of the moraine dam (2), the distance between the second row of pile structures (32) and the axis of the top of the dam is 0.4-0.6 of the average width of the top of the moraine dam (2), and the distance between the third row of pile structures (33) and the axis of the top of the dam is 0.8-1.0 of the average width of the top of the moraine dam (2); the distance between the pile structures in the same row is 0.1-0.4 of the length of the burst opening section in the predicted burst parameters; the single pile structure body is a cylindrical structure with the diameter of 0.5-2.0m, and the height of the single pile structure body is 0.5-0.7 of the average height of the dam body; the pile structure body is of a concrete structure or a reinforced concrete structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211549620.1A CN115907545A (en) | 2022-12-05 | 2022-12-05 | Resource utilization method for ice lake water in alpine regions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211549620.1A CN115907545A (en) | 2022-12-05 | 2022-12-05 | Resource utilization method for ice lake water in alpine regions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115907545A true CN115907545A (en) | 2023-04-04 |
Family
ID=86486642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211549620.1A Pending CN115907545A (en) | 2022-12-05 | 2022-12-05 | Resource utilization method for ice lake water in alpine regions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115907545A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117291551A (en) * | 2023-11-24 | 2023-12-26 | 南通欧贝达电子科技有限公司 | Environmental monitoring early warning system based on digital visualization |
-
2022
- 2022-12-05 CN CN202211549620.1A patent/CN115907545A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117291551A (en) * | 2023-11-24 | 2023-12-26 | 南通欧贝达电子科技有限公司 | Environmental monitoring early warning system based on digital visualization |
| CN117291551B (en) * | 2023-11-24 | 2024-03-08 | 南通欧贝达电子科技有限公司 | Environmental monitoring early warning system based on digital visualization |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Katsaprakakis et al. | Technical details regarding the design, the construction and the operation of seawater pumped storage systems | |
| CN100469980C (en) | Water taking gallery of self flow type for underground reservoir | |
| CN107989151A (en) | A kind of region rainwater catchment system engineering system and concocting method | |
| CN106383923A (en) | Mountain area river ecological runoff calculating and application method | |
| EP4065832B1 (en) | Energy generation and water conservation | |
| CN115907545A (en) | Resource utilization method for ice lake water in alpine regions | |
| CN108035423A (en) | Potential energy pressurized rainwater drainage and storage system and method for sponge city | |
| CN106368187B (en) | City lower storage reservoir group in a distributed manner | |
| CN108425349A (en) | A kind of method of construction of the big library pumped-storage power station of high dam | |
| CN106613749B (en) | Farmland rainwater collection, storage, drainage and irrigation-saving system | |
| CN203383196U (en) | Flexible double-pipeline water diversion power generation water storage integrated equipment applicable to mountain stream | |
| CN101251078A (en) | Application of low ebb electricity in water-utilization project | |
| CN111353120B (en) | Design method and design device for long-distance high-altitude water delivery line | |
| CN106400931A (en) | Along-river dirt-carrying flexible sewage regulating reservoir | |
| CN207998907U (en) | A kind of region rainwater catchment system engineering system | |
| CN102146693A (en) | Comprehensive utilization method for rainwater energy resource | |
| CN206273911U (en) | The clean storage in rain water on roof source based on sponge the idea of the city oozes device | |
| CN208456765U (en) | A kind of artesian water power generator | |
| CN207863099U (en) | A kind of potential energy pressurization rainwater for sponge city arranges storage system | |
| CN212477589U (en) | Siphon type self-adjusting desilting ecological dam | |
| Weisensee et al. | Integrated wind and solar qattara depression project with pumped storage as part of desertec | |
| CN107083729A (en) | One kind stores permeable module and preparation method thereof | |
| CN206157689U (en) | City distributing type groundwater reservoir crowd | |
| CN108798967A (en) | A kind of artesian water electricity-generating method | |
| CN104912154A (en) | Rainwater collection-storage-utilization system suitable for drought mountainous tobacco-growing areas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |