7results about How to "Improve the fermentation environment" patented technology

The invention relates to the technical field of bacterial cellulose preparation, in particular to a composite flora for producing bacterial cellulose and a preparation method thereof, and the preparation method comprises the following steps: screening gluconobacter oxydans, obtaining culture medium preparation materials and preparation tools, preparing a slant culture medium set, preparing an enriched liquid culture medium set, and preparing composite flora mixed inoculation liquid. The method comprises the following steps: preparing a waste tobacco leaf leaching solution, extracting a proportional leaching solution from the waste tobacco leaf leaching solution according to a preset proportion, obtaining a mixed fermentation culture medium based on a preparation tool and the proportional leaching solution, and carrying out inoculation operation on a composite flora mixed inoculation solution by using the mixed fermentation culture medium to obtain a dry cellulose membrane; calculating the yield of the bacterial cellulose based on the dry cellulose membrane, and completing the preparation of the composite flora for producing the bacterial cellulose based on the yield of the bacterial cellulose. The method can be used for scientifically, efficiently and stably preparing the composite flora.

The utility model belongs to the technical field of fungus fermentation, and particularly relates to a gas discharge device in an edible fungus fermentation process, which comprises a gas discharge valve, a gas discharge pipe, a gas discharge pipe, a gas discharge pipe and a gas discharge pipe, the pressure sensor is arranged at the top of the tank body and used for monitoring the pressure in the tank body in real time; the controller is electrically connected with the pressure sensor and used for controlling operation of the exhaust valve according to a pressure signal monitored by the pressure sensor; the defoaming assembly is mounted at the upper part of the tank body and is used for crushing foams in the tank body and reducing accumulation of the foams; the foam sensor is mounted on the tank body and is used for monitoring the thickness of foam in the tank body in real time and transmitting a monitored foam thickness signal to the controller; when the pressure sensor monitors that the pressure in the tank body exceeds the preset threshold value and the foam sensor monitors that the foam thickness exceeds the preset threshold value, the controller controls the exhaust valve and the defoaming assembly to operate cooperatively, and invalid exhaust caused by foam blockage is avoided.

The utility model discloses a kind of straw dry fermentation reactor, it includes reactor shell and stirring mechanism.The reactor shell is rectangular, the bottom end of the reactor is fixedly connected with reactor bottom plate, multiple groups of the stirring mechanism are arranged in the cavity formed by the reactor bottom plate and the reactor shell with horizontal array, multiple the upper end of the back baffle of the reactor shell is equipped with multiple observation holes, multiple the observation holes are sealed using double glazing;The stirring mechanism includes stirring shaft and stirring vane, the stirring shaft is fixedly connected with four stirring vanes by four stirring connecting rods.The utility model solves the technical problem of poor material mixing uniformity, low fermentation efficiency, poor fermentation effect and low space utilization in the field of straw fermentation technology.

This invention provides a rumen methane inhibitor and its application, belonging to the field of ruminant farming. The active ingredients of the rumen methane inhibitor of this invention include: *Lactobacillus reuteri* inoculum, *Lactobacillus gasseri* inoculum, *Lactobacillus casei* inoculum, amylase, phytase, xylanase, cellulase, and β-glucanase. The rumen methane inhibitor can effectively regulate the intestinal microbiota of dairy cows, promote the decomposition of fibrous material in the rumen, optimize the rumen fermentation environment, thereby controlling rumen function, reducing methane production, and improving the productivity of ruminants. The rumen methane inhibitor is safe and environmentally friendly, which is conducive to its application in ruminant farming, agriculture, and other fields, and has good practicality.

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 fermentation device for bread processing comprises a cabinet body, the cabinet body comprises ventilation layers and fermentation layers which are sequentially and alternately arranged from top to bottom, the fermentation layers further comprise fermentation bins and ventilation bins which are continuously and alternately arranged from left to right, and sliding rails parallel to each other are arranged on the two sides in a cavity of each fermentation bin; a tray assembly is arranged between the sliding rails on the two sides in a sliding mode, door plates which are oppositely opened are arranged on the two sides of an opening in the front end of the fermentation bin, every two door plates are connected with the corresponding tray assembly, and each fermentation layer is transversely communicated and rotationally provided with a transmission shaft; the transmission shaft of each fermentation layer is transversely arranged at the bottoms of the sliding rails, a transmission gear is arranged at the end, between the two sliding rails of the fermentation bin, of the transmission shaft, the transmission gear is in transmission connection with the tray assembly, a ventilation assembly is arranged on the transmission shaft arranged on the ventilation bin, the ventilation assembly in each ventilation bin extends upwards to the ventilation layer, and the effect is better.

This utility model belongs to the field of food fermentation technology, specifically a broken rice fermentation processing device, including a fermentation tank, and further including: a motor, fixed to the bottom of the fermentation tank; a turning component, disposed inside the fermentation tank and connected to the output end of the motor; a gas conveying component, disposed on the outside of the second fixed frame, with the gas conveying end disposed on the inside of the turning component; and a cover plate assembly, disposed on the inside of the top of the fermentation tank. This utility model provides a broken rice fermentation processing device that, through a motor-driven turning component, periodically turns the broken rice raw material inside the fermentation tank during the fermentation process, ensuring the uniformity of the fermentation process, avoiding incomplete or excessive fermentation in certain areas, and helping to release the gas generated during fermentation, maintaining gas circulation, preventing gas accumulation, avoiding oxygen deficiency or overheating, and ensuring a suitable fermentation environment.