CN203383196U - Flexible double-pipeline water diversion power generation water storage integrated equipment applicable to mountain stream - Google Patents

Flexible double-pipeline water diversion power generation water storage integrated equipment applicable to mountain stream Download PDF

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Publication number
CN203383196U
CN203383196U CN201320439031.8U CN201320439031U CN203383196U CN 203383196 U CN203383196 U CN 203383196U CN 201320439031 U CN201320439031 U CN 201320439031U CN 203383196 U CN203383196 U CN 203383196U
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section
pipeline
flexible
power generation
streams
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CN201320439031.8U
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李青云
陈进
曹慧群
林绍忠
赵伟华
曹小欢
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Changjiang River Scientific Research Institute Changjiang Water Resources Commission
Changjiang Waterway Planning Design and Research Institute
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Changjiang River Scientific Research Institute Changjiang Water Resources Commission
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    • 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

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Abstract

The utility model provides flexible double-pipeline water diversion power generation water storage integrated equipment applicable to a mountain stream. The equipment sequentially comprises an inlet desilting section, a water delivery section, a pipeline and machine electricity integrated power generation section and an outlet water storage section from top to bottom, wherein the water delivery section is formed by two flexible pipelines; the irrigating gate and the water outlet of each flexible pipeline are communicated with the inlet desilting section and the pipeline and machine electricity integrated power generation section respectively; service valves and a sand sediment trap are arranged on the flexible pipelines; the flexible pipelines are arranged in a segmentation manner; a service valve is arranged on each section of pipeline; a pipeline between the irrigating gate and the water outlet of each flexible pipeline is arranged at the same elevation as the mountain; a power generation mechanism is mounted in the pipeline and machine electricity integrated power generation section; the outlet water storage section is positioned behind the pipeline and machine electricity integrated power generation section. According to the utility model, the flexible water delivery pipelines are combined with the rigid pressure-bearing power generation pipelines, and the pipeline and machine electricity integrated technology is also utilized, so that the integration of the water diversion and power generation of a small hydropower station is realized, and the purposes that the cycle of hydropower construction in a rural area is shortened, and the damage to the ecological environment is reduced are achieved.

Description

A kind of two-tube diversion and power retaining of flexibility integration apparatus that is applicable to the streams, mountain area
Technical field
The utility model relates to the hydro-electric power generating equipment field, specifically a kind of two-tube diversion and power retaining of flexibility integration apparatus that is applicable to the streams, mountain area.
Background technology
China mountain area is vast in territory, the streams drop is large, hydraulic power potentials is abundant, suitablely develops on the spot small-sized water power.In addition, mountain area, rural area load, power supply cost is high, be not suitable for large electrical network length distance and carry power supply, and small power station can divide dispersal point, and power supply has nearby been played key effect on the rural electricity consumption problem of solution remote mountain areas.By 2011,4.5 ten thousand of rural hydropower station were built up in the whole nation, installed capacity more than 5,900 ten thousand kW, and plan in 5 years and will increase rural hydropower installation 1,500 ten thousand kW newly.Many, the widespread Small Hydropower Constructions of quantity day by day highlight the impact of local environment.Small power station's major part is water channeling type, traditional diversion facility adopts channel, tunnel or steel pipe etc., there are three shortcomings, the one, relate to large-scale excavation and backfill operation in work progress, a large amount of dregs rejected materials has a negative impact to the ecological environment of local mountain area fragility; The 2nd, the construction period is long, scale of investment is larger; The 3rd, the seepage of water-drawing channel, evaporation have greatly reduced water resource utilization efficiency.Country advocates and greatly develops small power station, the principle of simultaneously also propose exploitation in order, conscientiously preserving the ecological environment.Along with the fast development of pipeline material, the flexiplast pipeline, as the diversion facility of water channeling type small power station, has significant advantage.
About small-sized diversion and power device and pipe generator, carried out correlative study both at home and abroad.A kind of water supply pipe or interior small generator of factory's aqueduct of being arranged on of Japan's research and development, generated output is 3-100kW; The Hong Kong Polytechnic University researches and develops a kind of water pipe generating set, outside hydrogenerator and spherical hydroturbine, consists of, and this device can be 4 compact fluorescent bulb power supplies; Patent CN2711233Y and patent CN201473931U all disclose a kind of device of diversion and power along the river, aqueduct in this device is parallel to riverbed, and water storage device need to be set to gather the water yield, the crooked complicated characteristics of rural area alpine terrain are not considered in this utility model research, and priming device arranges relatively simple; Pipe generator research aspect, patent CN202579016U, CN201714559U, CN101741175A and CN201661409U all disclose a kind of water pipe electricity generator, are mainly used in the rigid pipelines of minor diameter such as city tap-water pipe and gutter; Patent CN101349245A discloses a kind of man-made airflow, water flow double electric generating apparatus, and this device adopts the isocontour inclined-plane of vertical massif arrangement form, is applicable to the diversion and power of the km discrepancy in elevation, and is not suitable for the rural small hydropower of remote mountain areas.Above utility model and research are not all proved the diameter of pipeline, material etc.
Therefore, for the exploitation on the spot of rural hydropower, the characteristics of powering nearby, in conjunction with the research of flexible conduit pipe, develop that a kind of installation is simple and easy, long service life, diversion efficiency is high, later maintenance is simple, streams, eco-friendly mountain area diversion and power device, is very significant.
The utility model content
The utility model provides a kind of simple and easy, long service life, diversion efficiency is high, later maintenance simply is applicable to the streams, mountain area the two-tube diversion and power retaining of flexibility integration apparatus installed.
Technical problem to be solved in the utility model is achieved by the following technical solution:
A kind of two-tube diversion and power retaining of flexibility integration apparatus that is applicable to the streams, mountain area, comprise successively import desilting section from top to bottom, water delivery section, the electrical integrated generating section of pipe machine and outlet retaining section, water delivery section consists of two flexible ducts, the irrigating gate of flexible duct is communicated with import desilting section, the delivery port of flexible duct is communicated with the electrical integrated generating section of pipe machine, service valve and sand sediment trap are set on flexible duct, the mode that flexible duct takes merogenesis to arrange, every pipe joint arranges service valve between road, flexible duct adopts high density polyethylene (HDPE) to make, the irrigating gate of flexible duct and the pipeline between delivery port are roughly along the same elevation arrangement of massif, in the electrical integrated generating section of pipe machine, power facility is installed, after outlet retaining section is positioned at the electrical integrated generating section of pipe machine, for accumulating the electrical integrated generating section generating of pipe machine water outlet afterwards.
Further, described import desilting section comprises a sand trap be communicated with streams or river, for precipitating the coarse granule suspension of removing natural streams or river; Sand trap is positioned at the import department of water delivery section, and an end of two flexible ducts is communicated with described sand trap.
Further, the electrical integrated generating section of pipe machine also comprises rigid conduit, the superpressure relief valve be communicated with the flexible duct other end, described power facility comprises the hydraulic turbine be arranged in rigid conduit, the microgenerator docked with the turning cylinder of the hydraulic turbine, flexible duct and rigid conduit junction arrange the superpressure relief valve, and hydraulic turbine turning cylinder overlaps with the central axis of rigid conduit.
Further, described rigid conduit adopts cast iron to make.
Further, hydraulic turbine place pipeline section diameter is less than the rigid conduit diameter of hydraulic turbine front end.
Further, the valve of service valve and pipeline junction are installed expansion bend.
The utility model, by flexible aqueduct and the combination of rigidity pressure-bearing power generation pipeline, simultaneously in conjunction with the pipeline electromechanical integration technology, realizes that small power station's diversion and power is integrated, reaches the purpose of accelerating the rural hydro-power construction cycle, reducing environmental destruction.With traditional diversion and power facility, compare, this equipment has from heavy and light, corrosion-resistant, safe and sanitary, avoid that seepage and evaporation, resistance to water-flow are little, energy conservation, saving metal, long service life, the characteristics such as easy for installation, avoid extensive domatic excavation and backfill operation simultaneously, be very suitable for the mountain area, rural area of ecological environment frailty.
The accompanying drawing explanation
Fig. 1 is the positive facade sectional structure of the utility model schematic diagram;
Fig. 2 is the utility model plan structure schematic diagram.
In figure: 1-import desilting section, 2-water delivery section, the electrical integrated generating section of 3-pipe machine, 4-outlet retaining section, 5-sand trap, 6-service valve, 7-flexible duct, 8-sand sediment trap, 9-superpressure relief valve, 10-rigid conduit, 11-hydraulic turbine, 12-microgenerator, 13-reservoir.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the utility model is clearly and completely described.
One of them embodiment of the utility model provides a kind of two-tube diversion and power retaining of flexibility integration apparatus that is applicable to the streams, mountain area, comprises successively import desilting section 1, water delivery section 2, the electrical integrated generating section 3 of pipe machine and outlet retaining section 4 from top to bottom.
Described import desilting section 1 comprises a sand trap 5 be communicated with streams or river, and described sand trap 5 is positioned at water delivery section 2 import departments, for precipitating the coarse granule suspension of removing natural streams or river, prevents the aqueduct silting in water delivery section 2.Sand content, the silt grating of the size of sand trap 5 in the diversion current determined, the desirable 4-5m of its working depth, and desilting section mean flow rate 0.25-0.5m/s, sand trap 5 is regularly cleaned according to the Sediment Siltation amount.
Water delivery section 2 forms (as shown in Figure 2) by two flexible ducts 7, and service valve 6 and sand sediment trap 8 are set on flexible duct 7.The irrigating gate of flexible duct 7 is communicated with sand trap 5, and the delivery port of flexible duct 7 is communicated with the electrical integrated generating section 3 of pipe machine.The irrigating gate of flexible duct 7 and the pipeline between delivery port are roughly along the same elevation arrangement of massif, vertical gradient is determined according to the hydraulic loss of flexible duct 7 water deliverys, total length is determined by the diversion path, diversion line is comprehensively determined according to conditions such as the topography and geomorphology in diversion mode, local mountain area, communications and transportation, and is avoided the engineering geology defective sectors such as landslide, avalanche, depression.
The mode that flexible duct 7 takes merogenesis to arrange, every pipe joint arranges service valve 6 between road.Flexible duct 7 materials are high density polyethylene, and corrosion resistance is strong; The density of material of flexible duct 7 is less than 1t/m 3, only have 1/8 of steel pipe; Flexible duct 7 can bear the operating pressure of 2MPa left and right, can require and the external environment condition characteristics according to small hydropower station water delivery pressure, is designed to meet all kinds of pipelines that bear inside and outside pressure requirement; The pliability of flexible duct 7 is good, and maximum axial allows distortion 1%, and maximum radial allows distortion 5%, adapts to the crooked landform of massif; Flexible duct 7 diameter 300-500mm, inner-walls of duct is smooth, and friction factor is less than 0.01, and conveyance power of water is strong; Pipeline elasticity modulus is greater than 750MPa, tensile strength is greater than 20MPa, compressive strength 15-1000MPa, flexural strength 18-25MPa, impact strength 36kg/m; According to small plant's external environment condition requirement, also can take heater by service to flexible duct 7.
The spacing of service valve 6 is definite according to situations such as diversion pipeline complex situations, tubing intensity and accident expected probabilities, and general every 2km arranges a service valve 6; Service valve 6 has good sealing performance, and in working pressure range, under closed condition, leakage rate is zero; The valve of service valve 6 and pipeline junction are installed expansion bend, prevent the damage pipelines such as Pipeline Ground Non-uniform Settlement and thermal stresses.
Flexible duct 7 is set to two, its effect: the one, when a pipeline maintenance, another root pipeline can normally move, guarantee to continue generating, the 2nd, under equal flow, the diameter of two pipelines is less than the diameter of a pipeline, small pipeline is lightweight, be easier to construction, cost is lower, very necessary for the mountain area, rural area.
Sand sediment trap 8 shaft bottom elevations are lower than flexible duct 7 lowest elevation, and Jing Ding is provided with well lid, can regularly to the mud of sand sediment trap, be removed.Sand sediment trap 8, for precipitating the fine grained suspension of removing flexible duct 7, prevents the aqueduct silting.The mode that concrete spud pile, 10-20m left and right layout screw rivet combine is arranged in the fixing employing 50m left and right of flexible duct 7.
The electrical integrated generating section 3 of pipe machine consists of rigid conduit 10, superpressure relief valve 9, the hydraulic turbine 11 and microgenerator 12.Rigid conduit 10 materials are cast iron, minimum tensile strength 420MPa, and SMYS 300MPa, minimum elongation per unit length 7%, rigid conduit 10 is arranged along the hillside crestal line, caliber 400-800mm, wall thickness 9mm.Flexible duct 7 arranges superpressure relief valve 9 with rigid conduit 10 junctions, and while preventing the generator failure flow backwards, flexible duct 7 pressure are excessive; The 1/5-1/4 that the nominal diameter of superpressure relief valve 9 is the main pipeline diameter; The pressure release value of superpressure relief valve 9 is determined according to maximum working pressure and the tubing intensity of conduit pipe, or maximum working pressure adds 0.15-0.2MPa.
The hydraulic turbine 11 place pipeline section diameters are less than rigid conduit 10 diameters of the hydraulic turbine 11 front ends, can increase like this flow velocity, improve generating efficiency.The hydraulic turbine 11 is connected by power transmission shaft with microgenerator 12.The hydraulic turbine 11 is directly installed in rigid conduit 10, and the turning cylinder of the hydraulic turbine 11 overlaps with the central axis of rigid conduit 10, and the current in rigid conduit 10 are axially flow to and axially flow out while passing through the hydraulic turbine 11; Microgenerator 12 is positioned at the pipeline top, and the generator power scope is 100-500kW.
After outlet retaining section 4 is positioned at the electrical integrated generating section 3 of pipe machine, for accumulating the electrical integrated generating section 3 generating water outlets afterwards of pipe machine, for hillman provides water source.
The two-tube diversion and power retaining of the flexibility integration apparatus of the utility model design, mainly be applicable to the small hydropower station of installed capacity 100-500kW on the streams, remote mountain areas.According to " People's Republic of China's Rural Water energy resources investigation achievement general report in 2008 ", following China 100-500kW small hydropower station amount 157.3 ten thousand kW to be developed,, the utlity model has wide market prospects by approximately 5881.
The above; it is only the specific embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly belong to those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.

Claims (6)

1. the two-tube diversion and power retaining of a flexibility integration apparatus that is applicable to the streams, mountain area, comprise successively import desilting section (1) from top to bottom, water delivery section (2), the electrical integrated generating section of pipe machine (3) and outlet retaining section (4), it is characterized in that: water delivery section (2) consists of two flexible ducts (7), the irrigating gate of flexible duct (7) is communicated with import desilting section (1), the delivery port of flexible duct (7) is communicated with the electrical integrated generating section of pipe machine (3), service valve (6) and sand sediment trap (8) are set on flexible duct (7), the mode that flexible duct (7) takes merogenesis to arrange, service valve (6) is set between every pipe joint road, flexible duct (7) adopts high density polyethylene (HDPE) to make, the irrigating gate of flexible duct (7) and the pipeline between delivery port are roughly along the same elevation arrangement of massif, in the electrical integrated generating section of pipe machine (3), power facility is installed, outlet retaining section (4) is positioned at the electrical integrated generating section of pipe machine (3) afterwards, for accumulating the electrical integrated generating section of pipe machine (3) generating water outlet afterwards.
2. the two-tube diversion and power retaining of the flexibility integration apparatus that is applicable to the streams, mountain area as claimed in claim 1, it is characterized in that: described import desilting section (1) comprises a sand trap be communicated with streams or river (5), for precipitating the coarse granule suspension of removing natural streams or river; Sand trap (5) is positioned at the import department of water delivery section (2), and an end of two flexible ducts (7) is communicated with described sand trap (5).
3. the two-tube diversion and power retaining of the flexibility integration apparatus that is applicable to the streams, mountain area as claimed in claim 1 or 2, it is characterized in that: the electrical integrated generating section of pipe machine (3) also comprises the rigid conduit (10) be communicated with flexible duct (7) other end, superpressure relief valve (9), rigid conduit (10) is arranged along the hillside crestal line, described power facility comprises the hydraulic turbine (11) be arranged in rigid conduit (10), the microgenerator (12) docked with the turning cylinder of the hydraulic turbine (11), flexible duct (7) arranges superpressure relief valve (9) with rigid conduit (10) junction, the hydraulic turbine (11) turning cylinder overlaps with the central axis of rigid conduit (10).
4. the two-tube diversion and power retaining of the flexibility integration apparatus that is applicable to the streams, mountain area as claimed in claim 3 is characterized in that: described rigid conduit (10) adopts cast iron to make.
5. the two-tube diversion and power retaining of the flexibility integration apparatus that is applicable to the streams, mountain area as claimed in claim 3, it is characterized in that: the hydraulic turbine (11) place pipeline section diameter is less than rigid conduit (10) diameter of the hydraulic turbine (11) front end.
6. the two-tube diversion and power retaining of the flexibility integration apparatus that is applicable to the streams, mountain area as claimed in claim 1, it is characterized in that: valve and the pipeline junction of service valve (6) are equipped with expansion bend.
CN201320439031.8U 2013-07-23 2013-07-23 Flexible double-pipeline water diversion power generation water storage integrated equipment applicable to mountain stream Withdrawn - After Issue CN203383196U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103352452A (en) * 2013-07-23 2013-10-16 长江水利委员会长江科学院 Flexible double-tube water diversion, electricity generation and water storage integrated device suitable for rivulets in mountainous areas
CN105064264A (en) * 2015-08-11 2015-11-18 赵金龙 Super-large-scale water conservancy project and construction technology thereof
CN107559123A (en) * 2017-08-31 2018-01-09 天津大学 A kind of portable conduction pipe TRT
RU2667080C2 (en) * 2016-11-02 2018-09-14 Общество с ограниченной ответственностью "ИМПУЛЬС" Device for the composite mobile derivative water conduit and the method of its erection
CN110927360A (en) * 2019-11-29 2020-03-27 成都理工大学 Slope stability dynamic evaluation method based on rainfall seepage path and water content change

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103352452A (en) * 2013-07-23 2013-10-16 长江水利委员会长江科学院 Flexible double-tube water diversion, electricity generation and water storage integrated device suitable for rivulets in mountainous areas
CN103352452B (en) * 2013-07-23 2015-07-08 长江水利委员会长江科学院 Flexible double-tube water diversion, electricity generation and water storage integrated device suitable for rivulets in mountainous areas
CN105064264A (en) * 2015-08-11 2015-11-18 赵金龙 Super-large-scale water conservancy project and construction technology thereof
RU2667080C2 (en) * 2016-11-02 2018-09-14 Общество с ограниченной ответственностью "ИМПУЛЬС" Device for the composite mobile derivative water conduit and the method of its erection
CN107559123A (en) * 2017-08-31 2018-01-09 天津大学 A kind of portable conduction pipe TRT
CN110927360A (en) * 2019-11-29 2020-03-27 成都理工大学 Slope stability dynamic evaluation method based on rainfall seepage path and water content change

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