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Qanat type underground reservoir water collection gallery in arid region

A technology for water collection corridors and underground reservoirs, applied in water supply installations, drinking water installations, water resource protection, etc., can solve the problems of water intake and delivery projects that cannot be organically combined with each other, effective water level reduction and water delivery projects, and unfavorable pipe jacking applications and other issues to achieve the effect of reducing investment

Active Publication Date: 2016-06-01
新疆水利水电规划设计管理局
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention provides a karez-type underground reservoir water collection corridor in arid areas, which overcomes the above-mentioned deficiencies in the prior art, and can effectively solve the existing karez-type The effective water level drop of the underground reservoir water collection corridor is greatly reduced compared with the water level drop near the Fufu well, and the water intake and water delivery projects cannot be organically combined with each other, which is not conducive to the application of modern pipe jacking technologies.

Method used

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  • Qanat type underground reservoir water collection gallery in arid region
  • Qanat type underground reservoir water collection gallery in arid region
  • Qanat type underground reservoir water collection gallery in arid region

Examples

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Embodiment 1

[0024] Embodiment 1, as attached figure 1 , 2 , 3, the water collection corridor of the Karez underground reservoir in the arid area includes a water collection corridor 1, a radiation water collection pipe 3, a shaft 4, a water delivery pipeline 5 and a water delivery main canal 6; the water collection corridor 1 is set in the arid area The spring water of medium or small rivers overflows into the gravel aquifer at the front edge of zone 2 and is arranged along the water level line 14, and at least one row of radiation collectors are respectively arranged on the side walls of both sides of the water collection corridor 1 from top to bottom. The water pipe 3 and the radiating water collecting pipe 3 are located in the sand and gravel aquifer, and the outlet end of the radiating water collecting pipe 3 is located in the water collecting corridor 1, and the distance between two adjacent radiating water collecting pipes 3 in the same row is 1 to 2 meters. At the same time, A...

Embodiment 2

[0029] Embodiment 2, as an optimization of Embodiment 1, according to actual needs, in the shaft 4 at the junction of the water collection corridor 1 and the water delivery pipeline 5, an adjustment gate valve 7 capable of adjusting the outlet water flow of the water collection corridor is provided. The different openings of the gate valve 7 make the outlet water volume of the underground reservoir vary from 0 to the maximum, and the adjustment gate valve 7 is used to precisely control and adjust the outlet water flow of the water collection corridor 1; or / and, close to the water collection corridor 1 A control valve 8 is provided at the outlet of the radiant water collection pipe 3, and the water supply volume can be precisely adjusted by opening and closing the control valve 8 at the outlet of each radiant water collection pipe 3, so that the flow rate of each section of the water collection corridor 1 can be artificially controlled during operation. The amount of water har...

Embodiment 3

[0030] Embodiment 3, as an optimization of the above embodiment, according to actual needs, the specific location of the water collection corridor 1 is that the groundwater level is 3 meters to 5 meters, the permeability coefficient is 20 meters / day to 50 meters / day, and the aquifer A formation with a thickness greater than 50 meters, and the catchment corridor 1 is below the groundwater table. For example, the water collection corridor 1 of an underground reservoir with a storage capacity of 2 million cubic meters to 5 million cubic meters generally has a length of 300 meters to 600 meters, and the buried depth of the water collection corridor 1 is preferably below the groundwater level. The specific depth should be determined through technical and economic comparison.

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Abstract

The invention relates to the technical field of qanat type underground reservoirs, in particular to a qanat type underground reservoir water collection gallery in an arid region. The qanat type underground reservoir water collection gallery in the arid region comprises a water collection gallery body, radiating water collection pipes, shafts, a water delivery pipeline and a water delivery main canal. The water collection gallery body is arranged in a sand gravel water-bearing stratum on the front edge of a spring water overflow belt of a river or a small river in the arid region and is arranged along the water-table contour, at least one row of radiating water collection pipes is arranged on the two side walls of the water collection gallery body respectively from top to bottom, the separation distance of the adjacent radiating water collection pipes of the same row is 1 to 2 m, and meanwhile at least two shafts vertically communicated with the water collection gallery body are arranged on the water collection gallery body. The effective storage of each qanat type underground reservoir in the prior art is doubled approximately, meanwhile water delivery and a water collection building can be integrated in one, the investment for a water delivery project is reduced, and accurate adjustment of outlet water flows of the underground reservoirs and application of modern pipe jacking and other technologies in conduction are facilitated.

Description

technical field [0001] The invention relates to the technical field of Karez-type underground reservoirs, and relates to a water-collecting gallery of Karez-type underground reservoirs in arid areas. Background technique [0002] Water resources are irreplaceable resources for maintaining the ecology of arid areas and developing the national economy. Due to the excessive concentration of natural water inflows from inland rivers in arid areas within a year and the great differences in inter-annual changes in abundance and drought, it is necessary for reservoirs to replenish water resources. , so the reservoir has become the most important water conservancy project to ensure water supply for urban life, industry, and agriculture. At present, surface reservoirs in arid areas are the most commonly used technical solutions for regulating and storing water resources. Over the years, surface reservoirs have played an important role in ensuring water supply for the national econom...

Claims

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Application Information

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IPC IPC(8): E03B3/08E03B3/11E03B3/34E03B11/14
CPCY02A20/406E03B3/08E03B3/11E03B3/34E03B11/14
Inventor 邓铭江裴建生
Owner 新疆水利水电规划设计管理局
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