42results about How to "Guaranteed fermentation temperature" patented technology

The invention relates to a yoghourt ferment cabinet and a manufacturing method for fermenting yoghourt, the yoghourt ferment cabinet comprises a cabinet body and a cabinet door. The inside of the cabinet body is provided with a refrigeration part, a heat preservation part, a constant-temperature fermentation part and an automatic sterilization part. The upper part of the cabinet body is provided with an electric part. The cabinet body wall is made of two layers of metal plates, and foaming material is filled between the two layers. The door body is made from hollow glass, the outer layer is steel glass, and the inner layer is reflecting glass. The inside of the cabinet body is equipped with a layered gridding type vessel frame for dividing into different ferment control sections. A sealed vessel with a cover, a semi-sealed vessel with the cover or a vessel without the cover is arranged on the vessel frame. The cabinet door of the cabinet body is equipped with a lockset which comprises an artificial manual external padlock or an intelligent electronic control lock. Detection shows that the cabinet of the invention can ensure the content of active lactobacillus in the yoghourt to be 2400 times higher than the national standard, no pathogen can be detected, and coliform group is much lower than the national standard.

The invention discloses a methane tank with a novel structure, which comprises a main tank and a water pressure chamber, wherein the main tank comprises a methane storage room and a fermentation tank, a methane guide pipe is arranged at the top of the methane storage chamber, an excrement inlet is formed in one side of the main tank, and the other side of the main tank is communicated with the water pressure room; an overflow opening is formed in the water pressure chamber, and the excrement inlet is formed in the sidewall of the fermentation tank; an excrement outlet is formed between the fermentation tank and the water pressure chamber, and the excrement outlet is located in the other sidewall of the fermentation tank; the upper edge of the excrement inlet and the top end of the excrement outlet are on the same horizontal line; the bottom of the fermentation tank downwards inclines to the water pressure chamber from the sidewall, where the excrement inlet is located in, and extends to the sidewall where the overflow opening of the water pressure chamber is located in; an excrement dreg drainage channel with a concave semi-spherical cross section is arranged at the bottom of the fermentation tank; the whole methane storage chamber takes the shape of a trapezoid wider in upper part and narrow in lower part, the upper edge of the excrement inlet is arranged at the bottom end of the sidewall of the methane storage chamber, the methane guide pipe is located at the top of the trapezoid and provided with a safety valve. The invention aims to provide the methane tank with the novel structure, which is constant in pressure, convenient for discharging dreg, low in probability of incrustation and high in methane output.

The invention discloses a novel anaerobic fermentation tank and an up-flow full-mixing type anaerobic fermentation system. The fermentation tank comprises an underground base tank, a feeding chamber and an upper tank wall. The base tank is internally provided with multiple layers of waterproof membranes, an inner gas storage membrane and an outer gas storage membrane are mounted on the upper tank wall, and an air blower is connected between the inner gas storage membrane and the outer gas storage membrane. Compared with concrete or a steel tank, the fermentation tank with the underground portion in a form of the directly coated base tank has advantages of convenience in construction and low manufacturing cost; external mechanical feeding devices are few, production halting caused by mechanical faults is avoided, and convenience in maintenance and low energy consumption are realized; by a heat exchanger, circulation biogas slurry can be heated directly by biogas power generation waste heat and then injected into the fermentation tank, so that fermentation temperature is guaranteed; multiple nozzles are in uniform arrangement and available for injection order switching to guarantee completeness in spraying and stirring; no mechanical device requiring maintenance is arranged in the tank, so that the risk of tank clearing due to faults of equipment in the tank is completely avoided.

The invention belongs to the technical field of agricultural machinery and relates to an overturning plate type continuous fermentation system. The system comprises a fermentation chamber, a feeding device, a discharging device, a gas storage device and a control device. The top of the fermentation chamber is provided with a feeding port connected with the feeding device, the upper portion of the fermentation chamber is provided with an exhaust port communicated with the gas storage device, the lower portion of the fermentation chamber is provided with a discharging port connected with the discharging device, and a liquid collection tank is arranged at the bottom of the fermentation chamber. Biogas slurry spraying devices communicated with the liquid collection tank are uniformly distributed at the inner top of the fermentation chamber, and overturning plate type fermentation devices are arranged in the fermentation chamber. The overturning plate type continuous fermentation system is capable of continuously performing uninterrupted fermentation, keeping suitable fermentation humidity and temperature in fermentation and enabling biogas generated by materials in fermentation to be easily discharged, and automatic control in operation of the whole fermentation system can be realized.

The invention relates to a biogas fermentation tank heating system, belonging to the field of development of renewable energy sources. The biogas fermentation tank heating system comprises a regulation tank (1) and heat exchangers (11), wherein the heat exchangers (11) are uniformly distributed in the regulation tank (1) and are connected with a hot water circulating pipe (14); insulation layer (2) is arranged on the outer side of the regulation tank (1), and an insulation cover plate (12) is arranged on the top of the regulation tank (1); a feeding pump (3) is arranged in the regulation tank (1) and is connected with a fermentation tank feeding hole (8) through a fermentation tank feeding pipe (9); a regulation tank feeding hole (13) is formed in the upper part of the regulation tank (1). According to the biogas fermentation tank heating system, the defects of weak heating purpose, high heat exchange equipment investment, low heating efficiency and high maintenance management cost in the prior art are overcome; the heating efficiency and the reliability are high, a heat exchanger is convenient to maintain and manage, the equipment cost and the operation cost of the heating system can be lowered, and the fermentation temperature in a fermentation tank can be effectively guaranteed.

The invention relates to a fermentation tank for biogas engineering, which comprises a tank body. The tank body is provided with a feed pipe, a discharge pipe and an air outlet pipe, wherein the feed pipe and the discharge pipe are arranged on the both corresponding bottom sides of the tank body, the tank body is connected with a storage pool through the feed pipe and connected with a biogas residue treatment plant through the discharge pipe, the air outlet pipe which communicates the tank body and the biogas purification plant is arranged at the top of the tank body, the tank body is provided with a heating pipe which connects the tank body and the heating boiler, and a thermometer is arranged on the tank body. According to the invention, the thermometer is arranged inside the fermentation tank for monitoring the internal temperature of the fermentation tank, and meanwhile the fermentation tank is provided with the heating pipe which communicates the fermentation tank and the heating boiler for heating the fermentation tank in cold season, so as to ensure the fermentation temperature in fermentation tank and the biogas production.

The invention relates to liquid slow release compound fertilizer and a preparation method thereof. The fertilizer includes the following raw material components: water absorbing resin, a straw fermentation broth, an inorganic fertilizer solution, and a silicon solution; the water absorbing resin is prepared by reacting acrylic acid, 2-acrylamide-2-methyl propanesulfonic acid, methoxy polyethyleneglycol 550 monomethacrylate, a Sr-10 emulsifier, methyl methacrylate, acrylamide, vinyl acetate, ammonium persulfate with fertilizer water; the straw fermentation broth is prepared by reacting straw,trichoderma spp, fertilizer water, an amino acid liquid, peptone, livestock and poultry feces and waste, and kitchen waste; the inorganic fertilizer solution is prepared by reacting urea, the amino acid liquid, potassium dihydrogen phosphate, the fertilizer water, boric acid with zinc sulfate; and the silicon solution is prepared by reacting silicon mud, the fertilizer water with the amino acid liquid. The fertilizer has excellent slow release performance.

The invention discloses a human and animal feces sewage biological fermentation device. The device comprises a fermentation tank, a stirring mechanism, a gas bin and a material lifting device; the stirring mechanism is arranged in the fermentation tank and comprises a first stirring shaft and a second stirring shaft, the first stirring shaft is arranged in the second stirring shaft, and the firststirring shaft and the second stirring shaft are respectively connected with driving devices which are used for driving the first stirring shaft and the second stirring shaft to rotate; the gas bin isarranged below the fermentation tank and isolated from the interior of the fermentation tank through an isolation layer, and gas in the gas bin can enter the fermentation tank; the material lifting device is arranged at one side of the fermentation tank and used for lifting a material.

The invention discloses a floating cover type dry fermentation biogas digester device. The outer side of a sealed water tank is provided with a thermal insulation layer; the sealed water tank is positioned on the periphery of a dry fermentation tank; a sealed water layer is arranged between the sealed water tank and the dry fermentation tank; a gas storage floating cover is positioned between thesealed water tank and the dry fermentation tank; a gas-guide pipe is arranged in the dry fermentation tank; the lower part of one side of the dry fermentation tank is provided with a discharge port and a tapping control valve; the lower part of the gas storage floating cover is provided with a lower guide branch wheel and a pressure-relief vent; the gas storage floating cover is also provided with a feed port, a viewing port, a biogas pressure gauge, a lifting ring, a primary desulfurizer and an escape pipe; an upper guide support wheel is arranged above the sealed water tank; the bottom in the dry fermentation tank is provided with a drain pipe which is connected with a stirrer in the gas storage floating cover through a circulating mud pump and a hose; and a water outlet pipe is connected with a steam boiler through the circulating mud pump. The floating cover type dry fermentation biogas digester device can control the gas transmission pressure by using the floating cover, can stirfermentation raw materials in operation by using the circulating mud pump and a biogas slurry stirrer, can be used all the year around, and is simple to construct.

The invention discloses a constant-temperature fermentation process for fermented soya bean production, which comprises the following steps: configuring the fermentation environment, placing fermented soya bean, sealing the environment, adjusting temperature difference, and fermenting. Circulate to the top of the hanging box to fill the tank, so that the temperature error between the upper part of the tank and the lower part of the tank tends to be smaller; in order to solve the difficulty of sampling in the existing fermentation process, the acidity adjustment efficiency is low, which leads to the fermentation tank The acidity inside is also not easy to control.

The present invention relates to a sauce base preparation method by utilizing after-product of soy sauce and a sun-brewing device. The sauce base preparation method comprises the following steps: (1) pretreating the after-product of soy sauce through heating; (2) mixing the pretreated after-product of soy sauce with soybeans through stirring to prepare a mixture; (3) adding water into the mixture and cooking; (4) mixing the cooked mixture with flour through stirring, and dividing the mixture into a material part A and a material part B; (5) inoculating shanghai brewing 3.042 aspergillus oryzae on the material part A to prepare a Daqu, and inoculating AS3.350 aspergillus niger on the material part B to prepare a Daqu; (6) adding saline into the material part A and the material part B and mixing the mixture through stirring, and placing the mixture into a sun-brewing pool to conduct early stage fermentation; and (7) after the early stage fermentation, turning over the materials and transferring the materials to another pool to conduct later stage fermentation, and preparing the finished sauce base through the later stage fermentation. The present invention can fully utilize the remaining about 22% of protein and a lot of aromatic substances in the after-product of high-grade soy sauce made from soybeans and flour so as to largely improve the utilization value of the after-product.

The invention discloses a black tea fermentation tank, and belongs to the technical field of black tea processing. A thermal insulation layer is arranged at the bottom of a tank body, a water pipe layer is arranged above the thermal insulation layer in a laying manner, a gravel layer is arranged above the water pipe layer in the laying manner, a temperature sensing device is arranged inside the gravel layer, a cement layer is arranged above the gravel layer, a water replenishing device is arranged above a heater, the heater is connected with a warmer through a pipeline, and the warmer is connected with a water inlet pipeline of the water pipe layer. The design is reasonable, the operation is easy and convenient and the installation is convenient. The temperature sensing device is arranged inside the gravel layer and controls the heating of hot water in the heater through a PLC controller, and the temperature of the hot water is transmitted through the water pipe layer to keep the fermentation temperature within an effective range, so that the fermentation quality and fermentation efficiency of black tea can be effectively improved, while outdoor open-air fermentation is adopted in the fermentation tank, so that the construction investment is small, and the large-scale black tea fermentation processing is suitable.

The invention discloses a split-type heating methane tank, which comprises a methane tank and an efficient methane reactor. The split-type heating methane tank is characterized in that a heat exchanger is arranged inside the efficient methane reactor; an insulating layer is arranged at the outside the efficient methane reactor; discharge and feeding pipes are connected with the methane tank; an escape pipe is connected with the escape pipe of the methane tank; a water pump is assembled on a feeding pipe of the efficient methane reactor; a temperature sensor of a temperature controller is arranged inside the efficient methane reactor; the temperature controller is connected to the water pump; and the heat exchanger in the efficient methane reactor is connected with hot water inlet and outlet pipes. The split-type heating methane tank has the beneficial effects that the efficient methane reactor is added to a common methane tank to heat; the improvement on the common methane tank is facilitated; the construction cost of heating and heat preservation is reduced; the temperature in the efficient methane reactor is ensured by heating; the temperature in the methane tank is also improved at the same time; and the methane gas yield is increased. The split-type heating methane tank plays a stirring role through circulation of the water pump and ]methane fermentation is promoted.

The invention belongs to the technical field of agricultural machinery and relates to an overturning plate type continuous fermentation system. The system comprises a fermentation chamber, a feeding device, a discharging device, a gas storage device and a control device. The top of the fermentation chamber is provided with a feeding port connected with the feeding device, the upper portion of the fermentation chamber is provided with an exhaust port communicated with the gas storage device, the lower portion of the fermentation chamber is provided with a discharging port connected with the discharging device, and a liquid collection tank is arranged at the bottom of the fermentation chamber. Biogas slurry spraying devices communicated with the liquid collection tank are uniformly distributed at the inner top of the fermentation chamber, and overturning plate type fermentation devices are arranged in the fermentation chamber. The overturning plate type continuous fermentation system is capable of continuously performing uninterrupted fermentation, keeping suitable fermentation humidity and temperature in fermentation and enabling biogas generated by materials in fermentation to be easily discharged, and automatic control in operation of the whole fermentation system can be realized.

An environmentally friendly breeding method to improve the quality of meat ducks. First, mix sawdust and rice husks and adjust the water to make litter; second, use thermal umbrellas to adjust the temperature throughout the brooding period, and adjust the temperature according to the age of the ducks. Adjust the stocking density and feeding amount of ducklings accordingly; in the growing period, in addition to the same adjustment of stocking density and feeding amount, it also involves adding dry-scattered strains to the litter, plowing the litter, and adjusting water. Circular fermentation of litter; Finally, in the early stage of listing, by limiting the stocking density and feeding amount, and carrying out sampling and weighing, the meat ducks will reach the predetermined target when they are released. The method of the invention can improve the quality of the meat duck, reduce the death rate of the meat duck, effectively solve environmental problems such as manure treatment and waste water discharge, ensure the appearance of the meat duck to be clean, and improve the breeding efficiency.

The invention discloses a domestic garbage fermenting container and device and belongs to the field of environment-friendly equipment. A condensate water stopping device is arranged on the top of the fermenting container and used for stopping condensate water volatilized and condensed in the fermenting process and preventing the condensate water from flowing back to materials again. According to the domestic garbage fermenting container, as the condensate water stopping device is additionally arranged in a cylinder body of the fermenting container and stops the condensate water, fermenting temperature and temperature rising speed can be ensured, and drying and decomposition of materials are accelerated.

The invention discloses a fermentation box for distiller's grains, wherein the fermentation box includes a box body; a box cover is arranged on the box body; the fermentation box also includes a heatexchange structure arranged on the box body; the heat exchange structure is a hollow heat exchange channel arranged in the middle of the side wall of the box body and running through two opposite sidewalls. The heat exchange structure can make the inner part of the fermentation box conduct heat transfer with the outside to ensure the fermentation temperature of the distiller's grains in the fermentation box, and the problems of high temperature of distiller's grains in the middle and low surrounding temperature are solved.

The invention discloses a device for presenting a fermentation experiment, pertaining to a field of medical and laboratory equipment technology. The device comprises a plastic head dropper (2) which is interspersed inside a round hole of a rubber block (3). The plastic head dropper (2) is arranged inside a glass tube (1), wherein a rubber hose portion of the plastic head dropper (2) faces the bottom of the glass tube (1), and an opening portion of the dropper (2) faces an opening portion of the glass tube (1). The plastic head dropper which contains a microbial culture medium is embedded in the tube which contains clean water. Therefore the device of the invention only needs to be placed into warm water to maintain fermentation temperature. Gas generated in fermentation can emerge in the form of bubbles through the sharp mouth of the plastic head dropper, such that the experiment is very intuitive.

The invention discloses a composite flocculant for pig farm wastewater and a biological fermentation treatment method and equipment. The composite flocculant is formed by mixing equal masses of modified attapulgite clay and sodium dichloroisocyanurate When in use, the pig farm wastewater to be treated is mixed with activated sludge and then added to an anaerobic fermentation tank to form a mixed solution, and a compound nutrient salt is added to the mixed solution for fermentation, and finally the fermented solution is further processed with a compound flocculant. Can. The invention overcomes the technical defects that the existing composite flocculants are easy to cause secondary pollution when treating pig farm wastewater, the treatment cost is high and the use is limited.

Disclosed is a human and animal feces biological sewage fermentation device, comprising a fermentation tank; a stirring mechanism arranged inside the fermentation tank and comprising a first stirring shaft and a second stirring shaft, wherein the first stirring shaft is arranged inside the second stirring shaft, and each of the first stirring shaft and the second stirring shaft is connected to a driving device for driving the rotation thereof; a gas bin that is arranged below the fermentation tank, wherein the gas bin is isolated from the inside of the fermentation tank by an isolation layer, and gas in the gas bin can enter the fermentation tank; and a material lifting device arranged on one side of the fermentation tank and used for lifting a material.

The invention discloses an intestinal-tract type biogas generating system, and belongs to the field of biogas production devices. The intestinal-tract type biogas generating system comprises a multiple-entrance feeding device, an intestinal-tract type fermentation pipe path and a biogas collecting device. The multiple-entrance feeding device mainly comprises a plurality of sewage collectors which are arranged at a high place, collecting pipes connected with the sewage collectors and a total feeding pipe. The intestinal-tract type fermentation pipe path comprises a pipe storage chamber which is deeply digged underground, and multilayer-overlaying fermentation pipelines, wherein the fermentation pipelines are buried underground, and are bended and spiraled like the intestinal tract. A feeding port of the fermentation pipelines is connected with the total feeding pipe. The biogas collecting device comprises a plurality of biogas collecting pipes and a gas storage component, and the plurality of biogas collecting pipes are respectively leaded out from a plurality of gas taking ports of the uppermost fermentation pipeline. Through use of the intestinal-tract type biogas generating system, organic materials such as excrements and the like can be fully fermented, automatic feeding, automatic feed-discharging, automatic separating of the materials, and automatic conveying of the materials to the fields can be realized, and no caking and no slag is produced, so that the intestinal-tract type biogas generating system is energy saving and environmentally friendly.