Environment-friendly and harmless novel technology for producing organic fertilizers by utilizing agricultural wastes

Abstract

The invention discloses an environment-friendly and harmless novel technology for producing organic fertilizers by utilizing agricultural wastes, and relates to a technology for producing the organic fertilizers. The technology comprises three steps of pretreatment, primary fermentation and posttreatment. The specific technological process is as follows: 1, preparing main materials, auxiliary materials and a compound microorganism agent, and mixing and stirring the materials; 2, through adopting a compost aerobic fermentation technology, performing biochemical degradation on organic wastes by utilizing microorganism under an aerobic condition, wherein the critical technology is main fermentation and postfermentation; 3, performing necessary treatment on completely cured organic fertilizers subjected to fermentation process; and 4, spreading the treated fertilizers for air drying, crushing and screening, carrying out quality inspection, weighing and subpackaging. According to the novel technology, the aerobic fermentation technology of microorganism technology is utilized, the high-efficient compound microorganism agent, cow dung and asparagus straws are mixed according to a certain ratio and naturally fermented (heating is not needed) in a fermentation tank, and the high-efficient non-poisonous and harmless organic fertilizers are prepared after 15-20 days.

Description

technical field [0001] The invention relates to a process for producing organic fertilizer, in particular to a new process for producing organic fertilizer by environmentally friendly, energy-saving and harmless utilization of agricultural waste. Background technique [0002] To produce organic fertilizer from agricultural waste, the traditional method of burying compost has many disadvantages: 1. It takes a long time to mature, usually more than six months; 2. Operation method: manual turning and natural ventilation; 3. There are few types of waste, Generally it is livestock and poultry manure; 4. Ambient air: foul smell; 5. Environmental sewage: cross flow; 6. High-temperature disinfection: heating and energy consumption are required; 7. Operation process: complicated and labor-intensive; 8. Fertilizer quality: not good, unstable. [0003] China Patent No. 201410527762 patent "a process for producing high-efficiency bio-organic fertilizer by resourceful utilization of co...

AI Technical Summary

Problems solved by technology

This patented process has many deficiencies: 1). Anaerobic fermentation will inevitably produce a large amount of stench. In order to solve the stench and not affect the environment, it is necessary to invest a large amount of processing equipment, and the investment in production line construction is large; 2). Among the process characteristics, A. biological There are too many types of materials in the process links such as starter preparation, B. mixing, and D. ingredients; 3). The process needs to be heated and controlled (25-35°C)

Therefore, it is difficult to ensure that the organic fertilizer produced by this process is a non-toxic and harmless organic fertilizer.