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Soil conditioner and preparation method thereof

A soil conditioner and sludge technology, applied in the preparation and application of organic fertilizers, organic fertilizers, etc., can solve environmental pollution, restrict the healthy development of fly maggot industry and other problems, achieve convenient use, increase soil water and fertilizer retention capacity, The effect of promoting crop growth

Inactive Publication Date: 2017-01-11
杭州太一科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, people use organic waste such as livestock and poultry manure and kitchen waste to raise fly maggots. While obtaining high-protein fly maggots, a large amount of fly maggot manure is produced. If it is discharged randomly, it will cause environmental pollution and restrict the fly maggot industry. healthy development of

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] On a dry basis, the following raw materials were weighed by weight percentage: 400kg of remaining activated sludge, 250kg of fly maggot manure, 150kg of peat, 150kg of fly ash, and 50kg of quicklime.

[0039] The remaining activated sludge and fly ash are provided by Wanhua Chemical Ningbo Co., Ltd.

[0040] The excess activated sludge is freshly dehydrated excess activated sludge produced in the process of activated sludge water treatment. The moisture content of the sludge is about 80%.

[0041] The maggot manure is the maggot manure after the maggots are cultivated on a large scale by using pig manure and the maggots are separated. The contents of nitrogen, phosphorus and potassium are 3.1%, 2.42% and 1.45% respectively, and the organic matter content is 56%.

[0042] Peat is low-level natural peat, with a pH value of 5.0-6.0, which contains the following components in mass percentages: more than 16% of organic matter, 14% of humic acid and more than 3% of the total ...

Embodiment 2

[0047] On a dry basis, the following raw materials were weighed by weight percentage: 350kg of residual activated sludge, 200kg of fly maggot manure, 250kg of peat, 100kg of fly ash, and 100kg of lime nitrogen.

[0048] The remaining activated sludge and fly ash are provided by Wanhua Chemical Ningbo Co., Ltd.

[0049] The excess activated sludge is freshly dehydrated excess activated sludge produced in the process of activated sludge water treatment. The moisture content of the sludge is about 80%.

[0050] Fly maggot feces are the feces of fly maggots that have been cultured and separated from kitchen waste on a large scale. The contents of nitrogen, phosphorus, and potassium are 3.3%, 2.6%, and 1.48% respectively, and the average organic matter content is 55%.

[0051] Peat is low-level natural peat, with a pH value of 5.0-6.0, which contains the following components in mass percentages: more than 16% of organic matter, 14% of humic acid and more than 3% of the total amount...

Embodiment 3

[0056] On a dry basis, the following raw materials were weighed by weight percentage: 550kg of residual activated sludge, 150kg of fly maggot manure, 100kg of peat, 100kg of fly ash, and 100kg of limestone.

[0057] The remaining activated sludge and fly ash are provided by Wanhua Chemical Ningbo Co., Ltd.

[0058] The excess activated sludge is freshly dehydrated excess activated sludge produced in the process of activated sludge water treatment. The moisture content of the sludge is about 80%.

[0059] The fly maggot droppings are the fly maggot droppings after the fly maggots are cultivated on a large scale using distiller's grains and the fly maggots are separated. The nitrogen, phosphorus, and potassium contents are 3.6%, 2.53%, and 1.54% respectively, and the average organic matter content is 60%.

[0060] Peat is low-level natural peat, with a pH value of 5.0-6.0, which contains the following components in mass percentages: more than 16% of organic matter, 14% of humic ...

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Abstract

The invention discloses a soil conditioner and a preparation method thereof. The soil conditioner is prepared from the following components in percentage by weight: 35-60 percent of remained activated sludge, 15-40 percent of fly larva speck, 10-30 percent of peat, 10-20 percent of pulverized fuel ash and 5-10 percent of calcareous substances. The preparation method comprises the following steps: weighing the components in weight percentage, uniformly mixing, and regulating the water content; covering the pile surface with a straw layer, fermenting at normal temperature, maintaining when the pile temperature rises in two days, turning the pile every two days, and supplying water; and drying and grinding the matured materials, and filling bags to obtain the soil conditioner. The soil conditioner can be used for effectively regulating the physical and chemical properties of soil, optimizing the microflora of soil, repairing degraded soil, promoting plant growth and recycling sludge, fly larva speck and other solid waste, and accords with the strategy of sustainable development.

Description

technical field [0001] The invention belongs to the field of soil conditioners, in particular to a soil conditioner and a preparation method thereof. Background technique [0002] With my country's emphasis on environmental protection and the strengthening of environmental governance, the amount of sewage treatment has continued to increase, and the degree of treatment has continued to deepen, resulting in a substantial increase in sludge production. How to properly deal with sludge from sewage treatment plants has become a very urgent task. Sludge disposal methods mainly include sanitary landfill, incineration and composting. Among them, the operation of sludge sanitary landfill is simple, but it takes up a lot of land and is easy to cause secondary pollution; the cost of sludge incineration technology is high, and it will produce many toxic and harmful gases, which is easy to cause air pollution; sludge composting is comparable to other treatment methods. Compared with i...

Claims

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Application Information

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IPC IPC(8): C05G3/04C05G3/80
CPCC05C7/00C05D3/02C05G3/80C05D9/00C05F3/00C05F7/00C05F11/02C05F17/00
Inventor 张余岳
Owner 杭州太一科技有限公司
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