Drought-resistant vegetation brick manufactured from sludge or biogas residue and manufacturing method thereof

Abstract

The invention discloses a drought-resistant vegetation brick manufactured from sludge or a biogas residue and a manufacturing method thereof. The structure of the drought-resistant vegetation brick comprises a brick body and a brick cover; the brick body is provided with a cavity, the bottom of the brick body is provided with a plurality of blind holes with downward small openings, and the cavity of the brick body is filled with a mixed powder of a decomposed organic fertilizer, sandy soil of a vegetation land, soil and a water-absorption and water-retaining agent; the brick cover is provided with a hole, and stone paper at the lower end surface of the brick cover can prevent loss of the powder in transportation; through the hole in the brick cover, water is injected into the cavity of the brick body and a sapling or seed is planted into cavity of the brick body; the effects of thermal insulation and reduction in moisture evaporation are obtained, and the recessed surface of the brick cover collects rainwater. The brick body and the brick cover can be processed into a variety of specifications and shapes and can be slowly degraded into an organic fertilizer and soil components by fungi when buried in sand, thereby improving physical and chemical properties of sandy soil and improving water retention capability of sandy soil and the survival rate of vegetation plants. Desertification control is a huge and long lasting project; the brick in the invention also provides a new approach for resourceful utilization of fresh sludge of an urban sewage treatment plant or for a fresh biogas residue produced in production of biogas from sludge.

Description

technical field [0001] The invention relates to a drought-resistant vegetation brick with the functions of drought resistance, water retention and improvement of vegetation sand layer, which is made by using fresh sludge from urban domestic sewage treatment plants or fresh biogas residue produced by using sludge as a main material, and a production method thereof. Background technique [0002] Global warming has made desertification more and more serious. The main control methods are energy saving, emission reduction, low-carbon environmental protection and planting trees and grass. However, in arid and rainless sandy areas or deserts, greening vegetation, water and organic matter are important links in vegetation engineering. The existing sand control vegetation methods have low efficiency and slow speed; existing composite bricks and greening bricks cannot be biodegradable. Layers have no improved effect, and often fail to achieve the expected results. Contents of the in...

AI Technical Summary

Problems solved by technology

However, water and organic matter are important links in vegetation engineering in arid and rainless sandy areas or deserts. The existing sand control vegetation methods have low efficiency and slow speed; existing composite bricks and greening bricks cannot be biodegraded. The layer has no improvement effect, and often fails to achieve the expected effect

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