Non-earth grass blanket preparation based on sludge compositing

A production method, soilless grass technology, applied in soilless cultivation, preparation of organic fertilizers, botanical equipment and methods, etc., can solve problems that have not yet entered the stage of practical application, achieve convenient management, wide application range, and save resources Effect

Inactive Publication Date: 2008-09-03
曾智 +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, some research work has been carried out in this area

Method used

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  • Non-earth grass blanket preparation based on sludge compositing
  • Non-earth grass blanket preparation based on sludge compositing
  • Non-earth grass blanket preparation based on sludge compositing

Examples

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Embodiment Construction

[0026] The content of the present invention will be further described below through specific embodiments:

[0027] The stacking site is a concrete structure, with a plastic film rainproof roof above the site. The ground is laid with "Feng"-shaped PVC ventilation pipes, and there are small holes around the ventilation pipes. One end of the ventilation pipe is sealed, and the other end is connected with the blower.

[0028] The sludge used in this example is digested and dewatered sludge from Liede Sewage Treatment Plant in Guangzhou City. About 60% (the most intuitive judgment is "the hand holds the compost material tightly, there are water marks, but the water drops do not drip out" is the degree), pile it up and cover the surface with plastic film. Oxygen is supplied to the sludge pile by the gap forced ventilation method, and the ventilation frequency is 0.50m 3 / (t min), ventilate for 30 minutes every 3 hours.

[0029] Please refer to the operation process of this examp...

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Abstract

The invention provides a high-efficient, low-cost and environment-friendly method for producing a soil-less grass covering, which comprises the following steps: (1) composting sludge pile: taking sludge as the raw material, adding bulking agent and adopting the composting technology of compulsory intermittent ventilation, so as to obtain mature sludge compost and provide culture matrix for the production of soil-less grass coverings; (2) building and planting: taking the sludge compost obtained by step (1) as the culture matrix, taking non-woven fabric as the supporting carrier, sowing the grass seeds and cultivating the soil-less grass covering. The method has the following advantages: 1) the method can push forward the environmental governance through benefiting from waste resources, and realize high-efficient utilization of waste resources, which conforms to the concept of circular economy and to the requirement of saving energy and reducing emission; 2) the method has wide applications and great value: the novel soil-less covering is light, can replace prior grass coverings for ground surface greening, can be used as the facade covering for bridges and buildings, and can be used as a covering for greening the roof; 3) the method is convenient to manage and resource-saving.

Description

technical field [0001] The invention relates to a method for producing a soilless grass blanket based on sludge composting. technical background [0002] Municipal sludge is a difficult problem in the pollution control of urban rivers, and it is also a difficulty that sewage treatment plants need to solve urgently. [0003] There are many studies on the treatment of municipal sludge, but most of them stay at the theoretical level. At present, the common sludge disposal methods at home and abroad include: landfill, incineration treatment and land utilization, etc., but they all have insurmountable defects. Landfilling began in the 1960s. It requires a large area of ​​land and a lot of transportation costs, and the foundation needs to be treated to prevent seepage to prevent groundwater pollution. Therefore, the proportion of sludge landfill disposal has become smaller and smaller in recent years. The biggest advantage of sludge incineration is that it can reduce the volume ...

Claims

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Application Information

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IPC IPC(8): A01G1/12A01G31/00C05F17/00
CPCY02P60/21Y02W30/40
Inventor 曾智庆之吴文昱
Owner 曾智
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