8results about How to "Shorten composting cycle" patented technology

The invention provides a soil conditioner for acidified soil remediation and a preparation method thereof, and belongs to the technical field of soil conditioners. The invention discloses a soil conditioner for acidified soil remediation. The soil conditioner is prepared from the following raw materials in parts by weight: 25-30 parts of decomposed organic matters, 15-23 parts of calcined alkaline slag powder, 20-30 parts of a biochar-based composite material, 6-13 parts of a microbial agent and 10-20 parts of a bio-based adhesive. According to the soil conditioner for acidified soil remediation, the unbalance state of acidified soil is improved, and the acidification process is relieved.

The present invention discloses a strain of Siamese Bacillus with lignocellulose degradation ability and its application, which relates to the technical field of solid organic waste disposal and resource utilization. The Siamese Bacillus was deposited in the General Microbiological Center of China Microbiological Culture Collection Committee on May 27, 2024, with the deposit address at No. 3, Yard No. 1, Beichen West Road, Chaoyang District, Beijing, and the deposit number is CGMCC No. 30775. The Siamese Bacillus provided by the present invention was isolated by the inventor from the compost of garden greening waste under different light radiation conditions. It has strong adaptability to compost with high lignocellulose content and special lighting conditions, and has strong degradation ability for lignocellulose. Applying it to compost can significantly improve the degradation efficiency of lignocellulose, increase the compost temperature, extend the high temperature period of compost, accelerate the compost maturity, and shorten the compost cycle.

The invention relates to the technical field of microorganisms, in particular to high-temperature-resistant bacillus megaterium and application thereof, the high-temperature-resistant bacillus megaterium is named as LYGW-R2, and the preservation number is CCTCC (China Center for Type Culture Collection) NO: M2024962. Soil is collected from a field test field, the soil is obtained through enrichment culture, Congo red dyeing and aniline blue fading screening, the degradation bacterial strains are sequenced by determining the activity of degradation bacteria cellulase, hemicellulase and ligninase, performing a filter paper strip disintegration test and straw degradation rate research and adopting 16s rDNA (ribosomal deoxyribonucleic acid), and the content of the degradation bacterial strains is determined. And finally, the high-temperature-resistant bacillus megaterium LYGW-R2 with a relatively high degradation rate on lignin and cellulose is selected out. The bacillus megaterium is used for straw decomposition, can still keep excellent biological activity at a relatively high composting temperature, generates cellulose degrading enzyme and lignin degrading enzyme, and can promote degradation of lignin and cellulose in a straw composting process, shorten a composting period and improve compost maturity and straw utilization rate.

A method for aerobic composting of Auricularia auricula-judae mushroom residue, relating to the field of Auricularia auricula-judae mushroom residue treatment, is disclosed to address the problems of slow temperature rise, insufficient composting, and unstable product quality associated with existing methods. The method comprises: 1. Mixing Auricularia auricula-judae mushroom residue, cow dung, and chicken dung to obtain a mixture; 2. Inoculating the mixture with lignocellulose-degrading bacteria; 3. Performing aerobic composting fermentation on the mixture after inoculation with lignocellulose-degrading bacteria, employing a staged intermittent composting process. This method promotes the composting and lignocellulose degradation of Auricularia auricula-judae mushroom residue, significantly increasing the composting rate, promoting the biotransformation of Auricularia auricula-judae mushroom residue, improving composting efficiency, and resulting in higher product quality stability. This invention is for the aerobic composting of Auricularia auricula-judae mushroom residue.

The utility model provides a dynamic aerobic composting device suitable for mixed fermentation of traditional Chinese medicine residues and organic wastes, which relates to the field of biomass aerobic fermentation and comprises a sealed cylinder, a stirring shaft with a hollow structure and a ventilation fan, the sealing cylinder is obliquely arranged up and down in the horizontal direction, the two ends of the sealing cylinder are rotationally connected with the front wall plate and the rear wall plate correspondingly, and the sealing cylinder is used for mixed fermentation of traditional Chinese medicine residues and organic waste; the stirring shaft is fixed in the sealing barrel in the axial direction of the sealing barrel, double-helix blades are evenly arranged on the stirring shaft, vent holes are evenly formed in the stirring shaft in the length direction of the stirring shaft, and an air outlet pipe of the ventilation fan is sealed with the rear wall plate and the tail end of the sealing barrel and then penetrates into a cavity of the stirring shaft; an oxygen sensor, a humidity sensor, a temperature sensor and a water inlet are arranged on the sealed cylinder at intervals. The problem of long composting period caused by difficulty in precise and automatic linkage regulation and control of multiple indexes of temperature, humidity and oxygen during synergistic fermentation of the traditional Chinese medicine residues and the organic wastes is solved.

The invention relates to a straw ultrahigh-temperature aerobic composting fermentation technology. The method specifically comprises the following steps: (1) mechanically crushing straws into 0.125 mm straw particles; (2) mixing the straw particles with chicken manure according to a preparation ratio of 1: 1, and adding 10% of a hyperthermophilic microbial agent according to a weight ratio; and (3) performing composting fermentation on the raw materials, using a self-made reactor, arranging a ventilation pipe in a composting reactor, using a PT100 thermocouple to measure the temperature, and performing the operation of turning once every three days during the composting period. The moisture content of the pile body is adjusted to 55%, C / N is 30, and the ventilation quantity is 500 mL / min. According to the method disclosed by the invention, the hyperthermophilic microorganisms are used in the aerobic composting of the straws, so that the method has the advantages of high composting body temperature, long high-temperature lasting time, short composting period and good composting product quality, and a scheme is provided for high-value utilization of the straws.

This invention discloses a method for preparing functional compost, belonging to the field of agricultural waste resource utilization and grassland ecological restoration technology. The key technical points include: mixing fresh sheep manure, wheat straw, and corn straw at a specific wet weight ratio and adding superphosphate to obtain a basic mixture; inoculating this mixture with a compound microbial fermentation agent composed of *Bacillus steatophilus*, *Bacillus subtilis*, and *Bacillus mucilaginosus* at a specific viable count ratio to obtain an inoculum; subjecting the inoculum to aerobic composting fermentation and implementing dynamic turning control based on dual temperature thresholds to maintain the compost within a specific high-temperature range for a sufficient number of days; and finally, aging the material until its seed germination index reaches a specific range to obtain functional compost. The functional compost prepared by this method is mainly used for restoring degraded grazing grasslands.

The utility model discloses an animal excrement composting device, including composting bucket, composting bucket is cylindrical structure, and the bottom of composting bucket is plane structure and is provided with four supporting legs, and the top of composting bucket is open type interface and is hinged with upper cover plate. The device improves the composting efficiency of animal excrement through the synergies of stirring mechanism, gas injection mechanism and heating plate. The spiral stirring blade ensures uniform mixing of materials, promotes full contact between aerobic microorganisms and excrement, the annular pipe design of the gas injection mechanism uniformly delivers oxygen through multiple exhaust ports, optimizes the aerobic fermentation environment, and the heating plate is attached to the inner wall to provide stable heat, maintain the appropriate fermentation temperature, and shorten the composting period. The temperature sensor monitors in real time and automatically adjusts the operating state of each component through the controller to avoid temperature fluctuations during the fermentation process. This multifunctional integrated design makes the composting process more efficient, especially suitable for small and medium-sized farms to quickly process excrement and produce high-quality organic fertilizer.