18 results about "Fermentation rate" patented technology

The present application belongs to the technical field of liquid organic fertilizer fermentation, in particular to a liquid bio-organic fertilizer fermentation device, which comprises a fermentation tank, a support frame is sleeved and fixedly connected to the outer wall of the fermentation tank, and a top cover is arranged at the opening of the top of the fermentation tank; the device further comprises a raw material adding auxiliary assembly; the raw material adding auxiliary assembly comprises a reciprocating rod which is slidingly connected to one side of the top of the fermentation tank, and a discharge cylinder is fixedly connected to the lower end of the reciprocating rod. The raw material adding auxiliary assembly is used to uniformly disperse the raw material to all parts of the inner cavity of the fermentation tank. At this time, the raw material is stirred by the plurality of stirring rods, and since the raw material has been uniformly dispersed to all parts of the inner cavity of the fermentation tank, the raw material can be uniformly mixed only by a short stirring time, thereby being beneficial to improving the fermentation speed. Moreover, the raw material in the discharge cylinder can be extruded by the pressure plate to crush the caked raw material, thereby avoiding the situation that the fermentation speed is affected due to the caking of the raw material.

The utility model discloses a kind of composite enzyme fermentation devices for bioengineering, it is related to composite enzyme fermentation technical field, solve the technical problem that the current reaction kettle in stirring process, single stirring rod drives stirring blade to rotate, and then make that material cannot be fully mixed, reduce the fermentation rate of composite enzyme, including stirring box, the feeding pipe is fixedly installed on the stirring box upper wall, the steam inlet pipe is fixedly installed on the stirring box side wall, the steam exhaust pipe is fixedly installed on the other side wall of stirring box, the utility model is mixed evenly by longitudinal stirring of stirring assembly to material, improve the fermentation rate of composite enzyme, by steam inlet pipe and steam exhaust pipe import hot steam, and then heat inner bag, assist composite enzyme to ferment, and then heat fermentation for material, by shock-absorbing component shock-absorbing protection to shock-absorbing box, provide stable support when material fermentation.

The utility model belongs to the field of waste composting technology, concretely relates to livestock breeding waste composting fermentation device, including support leg and control box, control box fixedly connected at the top of support leg, the top of control box is provided with feed pipe, the bottom of control box is provided with discharge valve, the utility model discloses the setting of stirring device makes the stirring rod on the circumference of connecting ring fixedly and drives the stress rotation of auxiliary plate, makes the rotation of auxiliary plate in the control box, stirs the breeding waste in the control box, makes the breeding waste be stirred and heated, and the heating is more even, accelerates the heating speed of breeding waste, speeds up the fermentation speed of breeding waste, solves the problem that the breeding waste in the control box cannot be stirred, leads to the breeding waste not being stirred and heated more evenly, cannot accelerate and speed up the fermentation speed of breeding waste.

The application discloses an intelligent fermentation control system for a beer brewing process and relates to the technical field of beer brewing.The system comprises the following steps: crushing malt, saccharifying, filtering, obtaining qualified wort, detecting the concentration, pH value and dissolved oxygen content of the wort, leading the wort into a fermentation tank and sterilizing the wort; detecting the temperature, pH value, carbon dioxide concentration, reducing sugar concentration, alcohol concentration and dissolved oxygen content by using a sensor and standardizing the temperature, pH value, carbon dioxide concentration, reducing sugar concentration, alcohol concentration and dissolved oxygen content; calculating the deviation between each data and the optimal value by using the standardized temperature, standardized pH value and dissolved oxygen content, wherein the optimal value is the medium value of the value allowed during brewing and the minimum value, and adjusting and correcting by using a PID algorithm; calculating a brewing index by using a fermentation environment index and a fermentation rate index, and judging the brewing condition according to the brewing index.

The application relates to the technical field of tea processing process control, and discloses a temperature and humidity synergic control method based on a fermentation process of Jiugu Hongmei. The method comprises the following steps: collecting real-time temperature, humidity and tea internal humidity distribution signals in a fermentation environment; pre-processing and feature extraction are performed on the collected data to obtain a temperature and humidity sequence and a humidity distribution feature sequence; fermentation rate change characteristics are extracted based on the temperature and humidity sequence, a current fermentation stage is determined by combining humidity distribution features and identifying stage turning points; synergic control strategy parameters are generated according to the influence of temperature and humidity interaction in the current stage; a fermentation environment fine-tuning scheme is constructed, and a control instruction is generated through historical verification and secondary calibration; a control signal is outputted, and a fermentation rate trajectory is tracked; when deviating from a preset path, a correction signal is fed back. The application improves the temperature and humidity control accuracy and stability.

A method for monitoring an ethanol fermentation process involves positioning an accelerometer at or above the liquid level of a process stream in a fermentation vessel. The method includes collecting vibration data from the accelerometer during fermentation, analyzing the frequency spectra of the vibration data, and determining the fermentation rate based on the analysis. The system can also incorporate temperature data to improve prediction accuracy. The method can identify amplitude ranges in the frequency spectra, correlate these to carbon dioxide bubble production, and determine parameters such as bubble size, depth of origin, and microorganism location. The system can provide alerts for deviations in fermentation rate and recommend interventions. Additionally, the system can monitor various stages of ethanol production, including liquefaction, oil separation, centrifugation, evaporation, and drying, using multiple accelerometers to determine process parameters such as viscosity, composition, and equipment performance.

The utility model discloses a kind of pure grain solid fermentation liquor devices, belong to liquor fermentation technical field, including support seat, support plate and fermentation tank, the support plate is rotatably connected with support seat by hinge, the bottom wall of the inner chamber of support seat is equipped with two hydraulic cylinders, the surface of support plate is fixed with two fixed plates of fermentation tank fixed connection, one the outer wall of fixed plate is equipped with rotating electrical machine, the output of rotating electrical machine is fixed with rotating shaft, the both sides outer wall of rotating shaft is fixed with multiple stirring paddles, and the both sides outer wall of rotating shaft is fixed with two fixed columns, the outer wall of one side of fixed column is fixed with fixed box, and the outer wall of one side of fixed box is movably connected with scraper, the bottom of fermentation tank is fixed with discharge pipe, the discharge pipe is threadedly connected with filter plate. The pure grain solid fermentation liquor device, not only convenient to the inner wall of fermentation tank is cleaned, but also can improve the fermentation speed of liquor.

This invention belongs to the field of feed processing, specifically disclosing a method for improving the quality of rehydrated corn kernel silage using fresh grass press liquor. The method involves mixing corn kernels obtained after crushing them with fresh grass press liquor, then filling the mixture into silage bags or silage tanks, sealing them, and then anaerobically storing them for 90-180 days. This method utilizes the attached lactic acid bacteria, soluble sugars, vitamins, and other nutrients contained in the fresh grass press liquor, which can quickly initiate the fermentation of rehydrated corn kernel silage, resulting in rapid fermentation and good fermentation quality. Secondly, it produces less gas during fermentation, minimizing the loss of dry matter in the corn kernels. Furthermore, the pH decreases rapidly and significantly, inhibiting the growth of harmful bacteria and prolonging the aerobic stability of the silage after opening. The acidic aroma produced in this method also improves the palatability of the feed, increasing animal feed intake.

The application discloses a Yarrowia lipolytica capable of degrading cellulose and application of the Yarrowia lipolytica in improving rumen fermentation efficiency. The Yarrowia lipolytica strain (Yarrowia lipolytica LY6) has been preserved in the China Center for Type Culture Collection, and the preservation number is CCTCC NO: M2025327. The strain is separated and screened from soil around a fermented feed production enterprise, can degrade cellulose and grow in the range of 10-40 DEG C. The application aims at the deficiencies of conventional yeasts, such as the inability to directly degrade cellulose and the anaerobic energy consumption for producing alcohol when the conventional yeasts are used to improve the rumen fermentation rate. The new type of yeast feed additive developed by using the characteristics of the Yarrowia lipolytica, such as strong stress resistance, wide temperature adaptability, the inability to grow anaerobically and the inability to produce alcohol, has the advantages of remarkable effect, low cost and stable action, and has a good market prospect.

This invention relates to the field of bio-fermentation, and discloses a probiotic composition and its application in the fermentation of traditional Chinese medicine. The probiotic composition of this invention includes *Saccharomyces cerevisiae* and *Lactobacillus*. This probiotic composition exhibits excellent fermentation performance, possesses a rapid fermentation rate, and can significantly shorten the production cycle. It is suitable for the fermentation of traditional Chinese medicine, especially in the synthesis of flavonoids and polyphenolic compounds. These strains can not only achieve efficient conversion but also effectively increase the yield of the final product. Furthermore, the flavonoids and polyphenols produced by these strains have extremely high antioxidant activity, and the efficacy of the product can be guaranteed even over a long shelf life.

This invention discloses a probiotic compound agent and its application that improves the quality and metabolic characteristics of fermented milk, belonging to the field of microbial and fermented dairy product processing technology. Co-culturing *Lactobacillus helveticus* DYNDL_20-5 with L-fucose can produce high levels of EPS (extracellular starch). The probiotic compound agent of this invention can improve the quality and metabolic characteristics of fermented milk, specifically by: altering the monosaccharide composition of EPS to produce fucose-type EPS; reducing the fermentation rate of fermented milk and increasing its acidification capacity; increasing microbial abundance and enriching beneficial bacteria; improving the texture characteristics of fermented milk; and enhancing sensory quality, nutritional value, and the concentration of various health-beneficial metabolites. This invention provides an important foundation for developing efficient and adaptable dairy starter cultures, offering new solutions for improving the quality of fermented milk, increasing fermentation efficiency, and developing functional fermented milk products.

The application discloses a method for synchronously and efficiently metabolizing mixed sugar based on a Pichia pastoris mixed flora and application thereof. The Pichia pastoris mixed flora comprises at least one Pichia pastoris engineering strain for xylose metabolism and one Pichia pastoris engineering strain for oligosaccharide metabolism. By means of functional division of the strains, the interference of glucose signal on the xylose metabolic pathway is physically and genetically isolated, and the synchronous metabolism of xylose and cellulosic oligosaccharide is realized. The metabolic burden of each strain is reduced, the exclusive pathway of each strain can be optimized, the pathway competition and the imbalance of auxiliary factors are avoided, the overall fermentation rate and the sugar conversion rate are improved. The mixed flora system has a certain buffering capacity to environmental fluctuations and is more stable than a single strain. The strategy is particularly suitable for complex lignocellulose hydrolysate, and can effectively solve the problem of asynchronous utilization of multiple fermentable sugars in the lignocellulose hydrolysate and improve the total utilization rate of raw materials. In the process of simultaneous saccharification and fermentation of the mixed flora, the utilization rate of xylose and cellulosic oligosaccharide is improved, and the integrated biorefinery cycle is shortened.

The present application belongs to the technical field of organic fertilizer production, and discloses a rapid fermentation system for organic fertilizer, which comprises a closed fermentation tank, a central screw stirring device for vertically lifting materials and a multi-layer tangential aeration device for forming horizontal rotating airflow are arranged in the closed fermentation tank, and the two devices work together to make the materials in a three-dimensional spiral fluidized state; an intelligent control unit which is based on the parameters collected by sensors and their change rates, and uses a fuzzy control algorithm to predictively and adaptively regulate the fermentation process; and an integrated circulation system which re-mixes the collected percolate into the aeration airflow through atomizing injection devices, and preheats fresh intake air through a heat exchanger using the discharged high-temperature waste gas. Through the collaborative innovation of structure and control, the present application realizes efficient and uniform fermentation of the materials, and completes the closed-loop circulation of energy and nutrients, and has the advantages of fast fermentation speed, low energy consumption and no secondary pollution.

This utility model discloses an acetic acid fermentation platform for producing buckwheat vinegar, relating to the field of acetic acid fermentation. The acetic acid fermentation platform for producing buckwheat vinegar includes a fermentation tank, a rotating rod, a reduction unit, an adjustment ring, and a drive unit. The platform employs a structure with a temperature sensor installed inside the rotating rod. The rotating rod uses a heat-conducting material, and the drive unit drives the temperature sensor to slide up and down within the rotating rod. Simultaneously, multiple sets of heating wires on the inner wall of the fermentation tank facilitate heating of the interior. The sliding temperature sensor allows for temperature detection within the fermentation tank, identifying whether a temperature difference has formed. When a temperature difference is established, the heating wires can be used to target specific areas, ensuring the fermentation rate and quality.

Provided are a Saccharomyces cerevisiae strain and use thereof in the fermentation production of ethanol. The strain is a Saccharomyces cerevisiae strain that is resistant to low temperatures, high sugar, ethanol, and low pH. When a sugar solution with a concentration greater than 300 g / L is fermented with the strain at 10 °C to 22 °C, a relatively high fermentation alcohol concentration can be achieved in a shorter period of time, the fermentation is fast, the fermentation period is short, and there is less residual sugar. The present invention effectively solves the problems with the existing alcohol fermentation techniques: when a sugar solution with a high concentration is fermented at a low temperature, the fermentation is slow, the fermentation efficiency is low, and the production costs are high.

The application provides a tobacco automatic continuous solid-state fermentation line and a use method, comprising a feeding unit, a spraying and mixing unit, a fermentation liquid preparation unit, a fermentation unit and a discharging unit, wherein the fermentation unit is adjusted through a large-span speed ratio to realize rapid cleaning and slow fermentation and realize the continuity of the fermentation process; the fermentation liquid preparation unit is configured through a pipeline and a container to realize the compatible configuration of bacterial liquid and enzyme liquid, improve the equipment utilization, realize the on-site preparation of fermentation liquid and improve the flexibility of the experiment; the feeding unit is adjusted through a large-span speed ratio to realize the rapidness and continuity of the humidification and detection of tobacco raw materials. After the overall coordination, the automatic tobacco fermentation equipment is formed, and problems such as fermentation liquid preparation, fermentation speed control, raw material humidification and feeding speed control are solved.