Technical content With the improvement of people's living standards, people put forward new requirements for food quality, and green foods mainly produced by applying organic fertilizers are favored by consumers. At present, the production of green foods has a large demand for organic fertilizers, thus promoting the processing and production of organic fertilizers. Organic fertilizers can provide the nutrients needed for crop growth, improve soil structure, enhance soil fertility, increase soil biological activity, stimulate crop growth, and purify the soil environment. The application of traditional organic fertilizers is the direct application of raw manure; the second is the application after artificial heaping. Direct application of raw manure and untreated (fermented) good artificial composting can cause certain damage to crops, mainly the following: 1 spread pests and diseases; 2 fermented burning seedlings; 3 poisonous gas hazards; 4 soil hypoxia; Slow fertilizer efficiency; 6 low active ingredients, inconvenient transportation, high cost of use. This article takes chicken manure as an example to discuss the production and application of high-efficiency organic fertilizer.
1 Production of high-efficiency organic fertilizer
1.1 Raw materials for efficient organic fertilizer production
a. Chicken manure Chicken feces in poultry and livestock manure have the lowest carbon content, the highest nitrogen content, easy fermentation and decomposition, and have quick-acting properties, which are the basic raw materials of this product.
b. Active silicic acid sol is a colorless liquid with excellent deodorizing properties.
c. Silica A white or colorless powder that reacts with a molten base when in the form of fine particles and acts as a dispersing agent in the manufacture of the product.
d. Sulfuric acid is a colorless oily liquid. The industrial product contains impurities and is yellow, brown and other colors. It has the function of accelerating chicken manure fertilizer in the manufacture of this product, and the concentration is preferably 90%-98%.
1.2 Production of fertilizer 1
First, 0.5 parts of the active silica sol is uniformly mixed with 100 parts of 70% silica, and 10 parts of the mixture, 10 parts of concentrated sulfuric acid of 90% or more, and 100 parts of chicken manure having a water content of about 50% are added together. In the reaction kettle, stirring was carried out at a rotation speed of 30 r/min. At this time, the temperature in the autoclave was raised, and cooling water was introduced into the jacket to control the reaction temperature at 75-80 ° C. After the reaction for a certain period of time, the temperature in the autoclave began to decrease. When steam is introduced into the jacket, the reaction is continued until the mixture in the kettle gradually turns reddish brown, the heating is stopped, the reaction is completed, and the whole reaction time is about 1 h, which gives a reddish brown slurry, which is highly efficient organic. Fertilizer 1, the finished product has a pH of about 6.5, a water content of about 5.6%, a nitrogen content of about 4.2%, and an ash content of about 45%.
1.3 Production of fertilizer 2
1 part of active silica sol, 10 parts of 98% content of silica powder, 10 parts of concentrated sulfuric acid of 90% or more, 100 parts of chicken manure with a water content of about 50% are added to the reaction kettle, and the production is carried out according to the conditions of the fertilizer 1 The reaction temperature is controlled at 65-70 ° C for about 1 h, and the red-brown high-efficiency organic fertilizer without foul smell is obtained.
1 Production of high-efficiency organic fertilizer
1.1 Raw materials for efficient organic fertilizer production
a. Chicken manure Chicken feces in poultry and livestock manure have the lowest carbon content, the highest nitrogen content, easy fermentation and decomposition, and have quick-acting properties, which are the basic raw materials of this product.
b. Active silicic acid sol is a colorless liquid with excellent deodorizing properties.
c. Silica A white or colorless powder that reacts with a molten base when in the form of fine particles and acts as a dispersing agent in the manufacture of the product.
d. Sulfuric acid is a colorless oily liquid. The industrial product contains impurities and is yellow, brown and other colors. It has the function of accelerating chicken manure fertilizer in the manufacture of this product, and the concentration is preferably 90%-98%.
1.2 Production of fertilizer 1
First, 0.5 parts of the active silica sol is uniformly mixed with 100 parts of 70% silica, and 10 parts of the mixture, 10 parts of concentrated sulfuric acid of 90% or more, and 100 parts of chicken manure having a water content of about 50% are added together. In the reaction kettle, stirring was carried out at a rotation speed of 30 r/min. At this time, the temperature in the autoclave was raised, and cooling water was introduced into the jacket to control the reaction temperature at 75-80 ° C. After the reaction for a certain period of time, the temperature in the autoclave began to decrease. When steam is introduced into the jacket, the reaction is continued until the mixture in the kettle gradually turns reddish brown, the heating is stopped, the reaction is completed, and the whole reaction time is about 1 h, which gives a reddish brown slurry, which is highly efficient organic. Fertilizer 1, the finished product has a pH of about 6.5, a water content of about 5.6%, a nitrogen content of about 4.2%, and an ash content of about 45%.
1.3 Production of fertilizer 2
1 part of active silica sol, 10 parts of 98% content of silica powder, 10 parts of concentrated sulfuric acid of 90% or more, 100 parts of chicken manure with a water content of about 50% are added to the reaction kettle, and the production is carried out according to the conditions of the fertilizer 1 The reaction temperature is controlled at 65-70 ° C for about 1 h, and the red-brown high-efficiency organic fertilizer without foul smell is obtained.
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