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Anti-seepage system combining anti-seepage film with salt pond plate and construction method and application thereof

A construction method and technology of salt pool slabs, applied in the field of anti-seepage systems, can solve the problems of geomembrane damage, loss of production resources, safety threats to production personnel and equipment, etc., and achieve the effects of reducing maintenance costs, prolonging life, and not easily damaged.

Pending Publication Date: 2020-02-04
ENG TECH INST CO LTD OF CNSIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the actual application of geomembrane, due to the needs of large-scale mechanical mining, it is very easy to damage the geomembrane; and some beach drying sites are built on the salt lake deposit, and the local damage of the geomembrane causes the minerals in the lower part to dissolve and form deep holes. And gradually expand, it not only causes the loss of production resources, production interruption, but also poses a great threat to the safety of production personnel and equipment

Method used

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  • Anti-seepage system combining anti-seepage film with salt pond plate and construction method and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0038] Such as figure 1 As shown, the present embodiment provides an anti-seepage system combining a geomembrane and a salt pool plate, including a base soil layer, a geomembrane and a salt pool plate, wherein the thickness of the base soil layer is 30 cm, the number of geomembrane layers is 1, and the thickness is 1.5 cm. mm.

[0039] The construction method is as follows:

[0040] (1) Clean, level, and mechanically compact the soil layer at the bottom of the beach drying pond. If the soil layer is too dry, some fresh water can be sprayed to increase the water content to facilitate rolling. The obtained foundation soil layer has a thickness of 30cm and a compressive strength ≥1.5kgf / cm 2 , dry bulk density ≥ 1.6g / cm3 .

[0041] (2) Lay geomembrane on the foundation soil layer and pass the inspection.

[0042] (3) Pour new brine into the beach drying pool where the geomembrane is laid, and the crystalline salt is sodium chloride. In the process of sodium chloride crystall...

Embodiment 2

[0046] Others are the same as in Example 1, the only difference is that the thickness of the base soil layer is 35cm, the number of geomembrane layers is 2 layers, the thickness of the single-layer geomembrane is 1mm, and the thickness of the salt pool plate is 40cm, and the construction method is the same as in Example 1 .

[0047] After testing, the compressive strength of the anti-seepage system can reach 2.5kgf / cm 2 Above, the service life can reach more than 10 years, and the geomembrane will not be damaged during use.

Embodiment 3

[0049] Others are the same as in Example 1, the only difference being that the thickness of the base soil layer is 20cm, the number of geomembrane layers is 1 layer, the thickness of a single-layer geomembrane is 0.35mm, and the thickness of the salt pool plate is 20cm. Construction method and embodiment 1 same.

[0050] After testing, the compressive strength of the anti-seepage system can reach 1.5kgf / cm 2 Above, the service life can reach more than 10 years, and the geomembrane will not be damaged during use.

[0051] It can be seen from the above examples that the anti-seepage system provided by the present invention is a double anti-seepage system of geomembrane and salt pool plate, which combines the short-term anti-seepage of geomembrane with the long-term anti-seepage and compressive strength of salt pool plate to realize The technical effect of meeting the compressive strength requirements of mechanically collected ore while preventing seepage; and the construction m...

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Abstract

The invention relates to the technical field of anti-seepage of solar and airing ponds, and provides an anti-seepage system combining an anti-seepage film with a salt pond plate and a construction method and application thereof. The anti-seepage system sequentially comprises a basic soil layer, the anti-seepage film and the salt pond plate from bottom to top, wherein the salt pond plate is a fixed-salt salt pond plate, and crystal salt in the salt pond plate is sodium chloride. According to the system, traditional anti-seepage film anti-seepage is enhanced to be double anti-seepage of the anti-seepage film and the salt pond plate, the compressive strength of a solar and airing area is improved while the anti-seepage effect is remarkably improved, subsequent mining, maintenance and other production operations are facilitated, meanwhile, due to the fact that the salt pond plate covers the anti-seepage film, the anti-seepage film is not easy to damage, the service life of the anti-seepagefilm can be prolonged, the maintenance cost is reduced, the construction method is simple in steps and easy to carry out, the structure of an original solar and airing pond does not need to be changed, the cost is low, the laying and use of large-area production of salt pans is facilitated, the existing resources can be fully utilized, and the production efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of anti-seepage of beach sun pools, in particular to an anti-seepage system combining an anti-seepage film and a salt pool plate, a construction method and an application thereof. Background technique [0002] The beach-drying method was originally a seawater salt production process. It uses a large area of ​​coastal tidal flats to make full use of solar and wind energy to accelerate evaporation to produce sea salt. It is a natural, energy-saving, environmentally friendly, and low-carbon production process. Now it is also suitable for arid areas and plateau areas in Northwest China with vast land, dry climate and strong sunshine intensity. It plays an important role in making full use of natural resources, reducing production costs and improving enterprise competitiveness. [0003] However, in actual production, because soil infiltration will cause great losses to brine resources, it is the focus of work to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D31/00C01D3/06
CPCE02D31/004C01D3/06E02D2450/106
Inventor 马俊涛王玉杰韩帅赵淑芳李广林
Owner ENG TECH INST CO LTD OF CNSIC
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