Organic and compound fertilizer produced by domestic sludge and manufacture method thereof

A technology of domestic sludge and compound fertilizer, applied in the direction of organic fertilizer, sewage/sludge fertilizer, excretion fertilizer, etc., can solve the problems of environmental hazards, polluted soil and groundwater resources, high water content, and achieve the effect of reducing pollution

Active Publication Date: 2011-01-05
李桓宇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the composition of domestic sludge is relatively complex, the water content is high, and it is difficult to treat, especially heavy metals. If they are directly buried without treatment, they will pollute soil and groundwater resources, easily produce new secondary pollution, and cause serious damage to the environment. harm

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] The sediment produced during the treatment of domestic sewage in the sewage treatment plant and the floating residue on the surface of the sewage are digested and treated by mechanical dehydration, deodorization, disinfection and sterilization, and then the mature sludge is dried, ground, and separated. After selection, make domestic sludge powder with a particle size of less than -0.18mm;

[0047] A type of pig soil manure made from the soil and grass in the pigpen after being discharged after the activities of the pig. After deodorization, disinfection and sterilization, drying, grinding, and sorting, it is made into a pig with a particle size of less than -0.18mm. Stable manure powder;

[0048] The pigeon feces discharged from the pigeon farm are cleaned, deodorized, disinfected, dried, ground, and sorted into pigeon feces powder with a particle size of less than -0.18mm;

[0049] The mixed feces discharged from the rabbit farms are cleaned, deodorized, sterilized, dried, ...

Embodiment 2

[0052] Take 55 kg of domestic sludge powder, 30 kg of pig stable manure powder, 20 kg of pigeon manure powder, 20 kg of rabbit manure powder of Example 1, and then take 15 kg of quicklime powder, 13 kg of calcium hydrogen phosphate, 6 kg of ammonium nitrate, and 6 kg of potassium sulfate. , 0.3kg of sodium borate, 1.5kg of ferrous sulfate, 5kg of magnesium sulfate and 0.6kg of Li polymer heavy metal pu agglutinant. The above raw materials are mixed uniformly by a biaxial blade mixer and packaged into a domestic sludge organic compound fertilizer product . The tested nitrogen content is: 2.63%; the phosphorus content is: 2.04%; the potassium content is: 0.28%; the organic matter content is: 46.9%; the water content: 15.6%; pH: 6.1; all reach Ny-2002 Chinese People Republic industry standard. It is a qualified product.

Embodiment 3

[0054] Take the domestic sludge powder 60kg, pig stable manure powder 25kg, pigeon manure powder 25kg, rabbit manure powder 15kg, then take quicklime powder 18kg, calcium hydrogen phosphate 10kg, ammonium nitrate 8kg, potassium sulfate 5kg , 0.4kg of sodium borate, 1kg of ferrous sulfate, 6kg of magnesium sulfate and 05kg of Li polymer heavy metal pu-collecting agent. The above-mentioned raw materials are mixed uniformly by a biaxial blade mixer and packaged into a domestic sludge organic compound fertilizer product. The tested nitrogen content is: 2.68%; the phosphorus content is: 2.15%; the potassium content is: 0.26%; the organic matter content is: 46.2%; the water content: 17.5%; pH: 6.5; all reach Ny-2002 Chinese People Republic industry standard. It is a qualified product.

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Abstract

The invention relates to an organic and compound fertilizer produced by domestic sludge and a manufacture method thereof, which is characterized in that the domestic sludge, pig manure, dove manure, rabbit manure, ground quick lime, calcium hydrophosphate, ammonium nitrate, lemery salt, sodium borate, green copperas, magnesium sulfate and an Li macromolecule and heavy metal trapping agent are used as raw materials, and are mixed and stirred by a blender to manufacture finished products. The organic and compound fertilizer contains nitrogen, phosphorus, potassium, a plurality of microelements and nutrients, such as organic acid, and the like, which can meet requirements on plant growth and has the obvious advantages of no pollution, low cost, good interest, secondary pollution prevention, environment prevention and land saving.

Description

Technical field [0001] The invention relates to an organic compound fertilizer produced from domestic sludge. Specifically, it is the sludge discharged in the process of treating domestic sewage in a sewage treatment plant, after being mechanically dehydrated, and then dried, ground, and sorted. The organic compound fertilizer produced with powder and pig, pigeon and rabbit manure as the main raw materials belongs to the field of waste treatment. [0002] The invention also relates to a manufacturing method of the organic compound fertilizer. Background technique [0003] Domestic sludge is the sedimentation material produced during the treatment of domestic sewage discharged by residents in daily life by urban sewage treatment plants using chemical methods and the mixed flotation residue floating on the surface of the sewage. Sludge is the solid part of sewage, and is a kind of semi-solid waste with high moisture content between inorganic and organic matter in composition. A sec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/04C05F7/00C05F3/00C05G3/80
CPCY02A40/20
Inventor 李桓宇
Owner 李桓宇
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