Well type heat-insulating water outlet

A water outlet and well-type technology, which is applied in the field of groundwater drainage structures in cold regions, can solve the problems of unstable performance of the cone-type thermal insulation water outlet and easy freezing of the water outlet, so as to prolong the drainage time in winter, reduce the occurrence of freezing damage, and avoid frost heaving The effect of destruction

Inactive Publication Date: 2009-05-13
COLD & ARID REGIONS ENVIRONMENTAL & ENG RES INST CHINESE
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Problems solved by technology

[0004] In order to overcome the defects that the general water outlet is easy to freeze and the performance of the cone-type

Method used

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  • Well type heat-insulating water outlet
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  • Well type heat-insulating water outlet

Examples

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Example Embodiment

[0028] In order to better understand the present invention, the following examples are used to further illustrate, but they are not a limitation of the present invention.

[0029] Take the well-type insulated water outlet used in K106+146 of Lamo Highway in Daxinganling as an example. Geographical coordinates: N50°55.734', E120°01.563'. At an altitude of 738m, it belongs to a high-latitude island-like permafrost area.

[0030] The construction process is: dig a cylindrical pit at the water outlet, about 170cm deep, and the bottom is 10cm from the upper limit of permafrost. Such as Figure 1-Figure 5 As shown, a circular hole with a diameter of 20 cm is provided in the upper part and the lower part of the prefabricated reinforced concrete round pipe 4, and the heat-preserving water outlet pipe 6 and the water inlet pipe 5 are pre-connected. The bottom of the reinforced concrete round pipe 4 is closed with a 15cm-thick extruded polyethylene plate for bottom insulation and water insul...

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Abstract

The invention relates to a well type heat-insulated outlet, which consists of an earth layer, a hay heat-insulating layer, plastic extruding polyethylene heat-insulating materials, a reinforced concrete circular pipe, a water inlet pipe, a heat-insulated water outlet pipe, a single door and a block stone layer, wherein the well wall is provided with the preformed reinforced concrete circular pipe; the water inlet pipe is positioned on the lower part of the reinforced concrete circular pipe, and the heat-insulated water outlet pipe is positioned on the upper part of the reinforced concrete circular pipe; the plastic extruding polyethylene heat-insulating materials are arranged on the circumference of the reinforced concrete circular pipe; the block stone layer is stacked inside a well; and the earth surface is provided with the hay heat-insulating layer and the earth layer. The well type heat-insulated outlet has a simple structure and ideal heat-insulating effect, is easy and quick to construct, is favorable for drainage, reduces engineering freezing damage due to unsmooth drainage in winter, and can be widely applied to roads in cold districts and engineering underground drainage systems such as underground mines.

Description

technical field [0001] The invention relates to an underground water drainage structure in cold areas, which is suitable for underground drainage systems of road engineering and mine engineering in cold areas. Background technique [0002] Most of my country's land area is in the cold region. Road engineering and mine engineering in cold regions all involve the discharge of groundwater. Because drainage lines and water outlets are often blocked by freezing in winter, the entire drainage system fails, causing groundwater to overflow everywhere and forming ground ice, which threatens the safety of buildings. The most common is salivary icing disease, which threatens road safety. When the groundwater drainage system fails, the water overflows from the top of the roadbed, freezes, pours down from the hillside and the side slope of the roadbed, spreads to the road surface, and congests the ground drainage system. The ice and snow melt in spring, and the drainage channels are bl...

Claims

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Application Information

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IPC IPC(8): E01F5/00E02D19/06E02D31/00
Inventor 喻文兵赖远明郭明
Owner COLD & ARID REGIONS ENVIRONMENTAL & ENG RES INST CHINESE
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