CN101560759A - Desert treatment technology - Google Patents

Abstract

The invention discloses a desert treatment technology, and is characterized in that: sand and stones in desert are piled into square, bar or crisscross sand barriers and are compacted, and then cement paste or lime mortar is sprayed or smeared on the surfaces of the sand barriers so as to form hard concrete epidermal layer; then drought-enduring vegetative cover is planted between sand barriers; the sand barriers are built on the desert in the combination with building materials such as cement and lime by using natural resources sand and stones in desert, thereby having the functions of sand fixation, water retention, windproof performance, soil and water loss prevention, easy plant growth, and achieving the effects of long-term desert treatment at low cost; therefore, the invention is a simple, convenient and easy technology for desert treatment, which is capable of manual work and also mechanical construction.

Description

Desert treatment technology

One, technical field

The invention discloses a kind of desert treatment technology, belong to the desert treatment technology field.

Two, background technology

The technology of current improvement desertification mainly contains controlling sediment by plant, chemical sand control, mechanical sand control, solid sand control and current are carried sand control etc., and controlling sediment by plant is subjected to geography, climatic influences bigger; Be difficult to extensive enforcement; The chemistry sand control is to use aircraft in sand dune surface sprinkling chemical organic compounds, and its cost is too high, and is unfavorable for plant growing; Mechanical sand control is to make straw checkerboard barrier with straw etc. on the sand dune to reach the purpose of checking winds and fixing drifting sand, its raw material transportation difficulty, and the treatment cost height, the period of validity time is short; The solid sand control is to adopt clay and various member to erect the little dykes and dams of a lot of on the sand dune, and it is subjected to the geographical environment restriction bigger, is not easy to construction; It is to utilize the souring of current that sandstone are transported to the appointed place that current are carried sand control, and its regulation effect is subjected to the restriction of geographical conditions bigger.

Three, summary of the invention

Purpose of the present invention is intended to overcome the deficiency of above-mentioned prior art, discloses that a kind of cost is low, the life-span long, effective, the desert treatment technology that is not subjected to the geographical conditions restriction.

For achieving the above object, the technical solution used in the present invention is: a kind of desert treatment technology, it is characterized in that: at first the sandstone on the desert are erected the sand-protecting barrier and the compacting of criss-cross, bar shaped or crisscross formula, spray with cement paste or lime mortar then or spread upon on the sand-protecting barrier surface, make it form hard concrete epidermal area, the more drought-enduring vegetation of plantation between sand-protecting barrier and sand-protecting barrier.

The good effect that compared with the prior art the present invention has is, the present invention adopts hardening technique to make sand-protecting barrier form hard concrete epidermis, and between sand-protecting barrier, plant drought enduring plant, thereby play fixed dune, windproof, concentrate rainwater when preventing erosion, reducing underground moisture evaporation, rainfall and can be washed into the effect that the vegetation place is easy to vegetation growth to supracutaneous dust, to reach the purpose of administering desert; Because its construction costs is cheap, long service life is so can reach low-cost, administer the effect of desert for a long time, it is a kind of easy, easy row, not restricted by geographical environment, both can manual work, the technology of improvement desert that also can the extensive construction of mechanization.

Four, description of drawings

Fig. 1 is an improvement schematic diagram of the present invention.

Five, the specific embodiment

For a better understanding of the present invention, below in conjunction with drawings and Examples it is done further detailed elaboration.

As shown in Figure 1, on the natural resources sandstone layer 1 of desert, artificial or with the machinery sand-protecting barrier 4 also compactings that sandstone side of erecting on desert is crisscross, sand-protecting barrier should adopt serpentine to distribute, the sand-protecting barrier height is 0.2m-0.4m, sand-protecting barrier height and gap ratio are 1: 5-1: 10, and adding an amount of water with the Portland cement (GB175) of portland cement and the above label of 425#, to make density be 1.8-1.9g/cm ³Cement paste, perhaps add water and make lime mortar with lime, cement paste or lime mortar sprayed, spread upon on sand-protecting barrier, the sandy land surface uniformly and floating, the concrete epidermis 2 that to make smooth, the hard thickness of its formations be 1-5mm, and between sand-protecting barrier and sand-protecting barrier, plant drought-enduring vegetation 3 and get final product.Spray water mud or lime mortar should be avoided high-temperature time section and severe cold season as far as possible, to guarantee the effect of desert treatment.

Claims (1)

1, a kind of desert treatment technology, it is characterized in that: at first the sandstone on the desert are erected the sand-protecting barrier and the compacting of criss-cross, bar shaped or crisscross formula, spray with cement paste or lime mortar then or spread upon on the sand-protecting barrier surface, make it form hard concrete epidermal area, the more drought-enduring vegetation of plantation between sand-protecting barrier and sand-protecting barrier.

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