Soil configuration during waste land second ploughing and land reclamation method

A wasteland and soil technology, applied in the direction of site preparation, earth square drilling, filling, etc., can solve the problems of low crop yield, water conservation, moisture conservation, poor fertilizer conservation performance, and inability to restore the use value of abandoned land in subsidence areas to the greatest extent, etc. problems, achieve good soil water retention, avoid rapid loss, and improve water retention

Inactive Publication Date: 2015-12-09
ENVIRONMENTAL PROTECTION RES INST OF LIGHT IND +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is that the soil structure formed by the existing coal gangue filling method has poor soil water retention, moisture retention, and fertilizer retention performance, and the yield of cultivated crops is low, and the use value of the abandoned land in the subsidence area cannot be restored to the greatest extent. question

Method used

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  • Soil configuration during waste land second ploughing and land reclamation method
  • Soil configuration during waste land second ploughing and land reclamation method
  • Soil configuration during waste land second ploughing and land reclamation method

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Embodiment 1

[0037] like Figure 1-3 As shown, the soil configuration in the reclamation of abandoned land provided by the embodiment of the present invention includes a mixed layer 6, a raw soil layer 2 and a cultivated layer 1 arranged sequentially from bottom to top on the abandoned ground floor 4 to be filled. Layer 2 includes coal gangue filling area 3 and raw soil filling area 5; raw soil filling area 5 is composed of a plurality of isolated line segment areas to form a glyph structure, in the present embodiment, the width of the isolated line segment area is 2.5m, and raw soil filling area 5 will The coal gangue filling area 3 is isolated into multiple parts. The slope of the ground surface to be filled with the abandoned subterranean layer 4 is ≤3° and the stability of land settlement is ensured.

[0038] In this embodiment, in order to achieve water retention more effectively, the glyph structure is "Tian" or "M", and there are multiple glyph structures, and each glyph occupies a...

Embodiment 2

[0042] Embodiment 2 of the present invention provides a method of land consolidation in abandoned land reclamation, comprising the following steps:

[0043] S1: According to the geographical form of the abandoned ground floor, determine the area to be filled with land for remediation;

[0044] S2: Leveling and rolling the surface of the abandoned ground floor 4, the slope after leveling and rolling is less than 3, and ensuring stable settlement;

[0045] S3: dividing the abandoned ground floor 4 described in step S2 into multiple unit areas;

[0046] S4: Draw a line in the unit area according to the set font to form an isolated line segment area. In this embodiment, the font is "Tian" or "米";

[0047] S5: filling raw soil in the isolated line segment area to form a raw soil filling area 5;

[0048] S6: Fill coal gangue in the area outside the isolated line segment area in the unit area to form a coal gangue filling area 3, the thickness of the coal gangue filling area 3 is c...

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Abstract

The invention relates to the technical field of land reclamation engineering and in particular relates to a soil configuration during waste land second ploughing and a land reclamation method. The soil configuration orderly comprises a stereoscopic mixing layer, an immature soil layer and a plough layer from bottom to top on a to-be-filled waste land bottom layer, wherein in an immature soil filling area of the mixing layer, a plurality of separation line section areas form a font structure; a gangue filling area is divided into a plurality of parts by the immature soil filling area; moisture can be remained in the immature soil filling area; moisture can be transplanted even though the gangue filling area cannot remain moisture; and with the establishment of the immature soil filling area in a grid structure, the moisture can be transplanted and remained in the immature soil filling area, so moisture loss can be avoided and moisture retention rate can be greatly improved. The font structure of the immature soil filling area can be effectively formed by the use of the soil reclamation method, so an effective moisture transplantation mode can be built; and the land reclamation method is advantaged by convenient construction and quickness.

Description

technical field [0001] The invention relates to the technical field of land consolidation engineering, in particular to a soil configuration and a land consolidation method in abandoned land reclamation. Background technique [0002] Due to the development of industrial and mining industries, a large number of industrial and mining abandoned lands have appeared in my country, resulting in a large amount of land resources being abandoned or unable to be cultivated; at the same time, a large amount of coal gangue will be produced in the process of coal mining, processing and utilization, and coal gangue will accumulate on the surface all the year round, forming a Such coal gangue hills are prone to spontaneous combustion, and are easy to pollute the environment after being leached by rainwater. At the same time, they also occupy land resources. The existing coal gangue filling reclamation generally adopts the method of directly filling the subsidence area with coal gangue and t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/00E21F15/00
Inventor 刘永兵类淑霞李翔张伟袁顺全臧振远李梓涵罗楠王佳佳
Owner ENVIRONMENTAL PROTECTION RES INST OF LIGHT IND
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