17results about How to "Improve filtration stability" patented technology

The invention belongs to the technical field of fruit wine preparation, and provides a method for improving fermentation stability and quality of mulberry wine, and the method specifically comprises the following steps: selecting and pretreating raw materials; carrying out inoculation and culture by adopting filmed saccharomyces fibuligerus; fermentation conditions are controlled, yeast assimilable nitrogen, pectinase and glucosidase are added, intermittent stirring is carried out, and an anaerobic environment is changed along with increase of the alcohol concentration; after the fermentation is finished, carrying out multiple times of tank pouring, filtering, and adding a preservative and an antioxidant; finally, filtering by using diatomite, bottling, and sterilizing; according to the mulberry wine, the fermentation stability of the mulberry wine can be improved by using the filmed yeast; by adding yeast assimilable nitrogen, pectinase and glucosidase, the fermentation environment can be optimized, the growth and metabolism of yeast are promoted, and the instability in the fermentation process is reduced; and through ageing and cold stabilizing treatment, the wine body can be more mature and mellow, and the taste is richer.

The invention relates to the technical field of fermentation, in particular to a calcium propionate fermentation device which comprises a fermentation tank body, a rotating cylinder and a feeding frame installed on the top of the fermentation tank body, a bearing is fixedly installed at the center of the top of the fermentation tank body through a bolt, and the rotating cylinder is connected to the center movable position, passing through the bearing, of the fermentation tank body. A rotary stirring blade is fixedly mounted at the bottom of the rotary cylinder in the fermentation tank body through bolts, a plurality of supporting rods are fixedly mounted at the center of one side of the top of the fermentation tank body through bolts, and a feeding frame is fixedly mounted between the top ends of the supporting rods through bolts. A lifting block is driven by a screw to stably ascend and descend, the lifting block drives a rack plate on a limiting base to conduct reciprocating pushing back and forth through meshing of a rotating plate, a connecting plate, a rotating rod and a half gear in the movement process, and the movement of the rack plate controls an arc-shaped cleaning rod through a movable block and a movable rod; the inner wall of the fermentation tank body is scraped and cleaned, the cleaning effect is good, and the structure is stable.

The utility model relates to the technical field of powder filtering processing, in particular to a powder filtering barrel which comprises a filtering barrel shell, an observation window fixedly arranged on the outer wall of the filtering barrel shell, a sealing cabinet door rotatably mounted on the outer wall of the observation window, three clamping plates fixedly arranged on the outer wall of the sealing cabinet door, and a cover plate arranged above the filtering barrel shell. Limiting rings are fixedly arranged at one end of the filter barrel shell and one end of the cover plate, mounting grooves with the same size are formed in the two limiting rings, a limiting frame is fixedly arranged at the position, located under the mounting groove, of the bottom of one limiting ring, guide rods are fixedly arranged in the limiting frame, and a filter cartridge is arranged in the filter barrel shell; a dismounting structure is fixedly arranged on the outer wall of the filter cartridge, and comprises four supporting plates fixedly mounted on the inner wall of the filter barrel shell, so that the filter cartridge can be quickly dismounted and mounted, and an internal filter screen can be cleaned.

The application relates to a filtering device and a sample pretreatment system, the filtering device comprising: a filtering device, the filtering device comprising a limiting plate and a dripping tube, the dripping tube being detachably inserted into the limiting plate from top to bottom, and the dripping tube being used for filtering supernatant to obtain filtrate; and a pipetting device, the pipetting device comprising a carrier plate, a floating plate, an elastic connecting piece and a sealing plug, the floating plate being arranged at the lower end of the carrier plate, the elastic connecting piece being used for elastically connecting the carrier plate and the floating plate, the sealing plug being fixed to the carrier plate, and the upper end of the sealing plug being connected with a pipetting mechanism, the lower end of the sealing plug being connected with a pipetting tube, the pipetting mechanism being used for driving the pipetting tube to suck the supernatant, and the pipetting mechanism also being used for driving the pipetting tube to inject the supernatant into the dripping tube, in the process of injecting the supernatant into the dripping tube by the pipetting tube, the floating plate abuts against the upper end of the dripping tube, and the elastic connecting piece is compressed between the carrier plate and the floating plate. The application not only facilitates the mounting and dismounting of the dripping tube, improves the processing efficiency, and improves the filtering stability.

The utility model belongs to the field of water treatment, and provides a gymnodiptychus pachylatus water treatment system device to solve the problem that a water source is inconvenient to uniformly filter and treat, the gymnodiptychus pachylatus water treatment system device comprises a first treatment box and a collection filter plate, the collection filter plate is arranged in the first treatment box, and the other end of a spring is fixedly connected with a limiting plate. According to the water treatment device, through the arrangement of the partition plate, when water is treated, large impurities in the water can be separated through filtration of the collection filter plate, then water flow is filtered through biochemical filter cotton, liquid is discharged into the second treatment box through the drainage pipe on the first treatment box, and when the water is treated in the second treatment box, the large impurities in the water can be separated through filtration of the collection filter plate. Under the blocking of the partition plate, the flow velocity of water flow is slowed down, the uniformity of water treatment is improved, impurities in water can be filtered through the filter screen plate, harmful substances in water can be adsorbed through the activated carbon plate, then beneficial bacteria are cultured through the bacteria culture filter plate, and the quality of water treatment is improved.

The invention relates to the technical field of fermentation devices, in particular to a method for preparing snail flavor peptide by the aid of the fermentation device.A fermentation tank is included, a tank cover is fixedly connected to the outer wall of the top end of the fermentation tank, a water tank is fixedly connected to the outer wall of one side of the fermentation tank, and a pump body is mounted on the outer wall of the top end of the water tank; a water inlet pipe is inserted into the output end of the pump body, a supporting pipe is rotatably arranged on the inner wall of the tank cover, a movable pipe is rotatably arranged on the inner wall of the fermentation tank, and flow dividing holes are formed in the outer walls of the top and the bottom of the movable pipe; the bimetallic strip is cooled and bent reversely to drive the rotating disc to rotate reversely, an acid solution in the second liquid storage chamber enters the fermentation tank to adjust the appropriate PH value, the resistance value of the arc-shaped slide rheostat is reduced, the temperature in the water tank is increased, and fermentation materials in the fermentation tank are increased appropriately, so that the fermentation stability of the snail taste-active peptide is guaranteed; and the temperature and the pH value of the fermented material are adjusted through linkage of the structure, so that the preparation and fermentation efficiency of the snail taste-active peptide is improved.

This invention discloses a tea brewing barrel with filtering and stirring functions, specifically relating to the technical field of tea brewing barrels. It includes a barrel body, a top cover, a transmission gear on the top of the cover, a transmission shaft connected inside the cover, and a stirring assembly connected to the bottom of the transmission shaft. A filtering assembly is located at the bottom of the barrel body. A gear washer is located at the upper end of the transmission gear, and a gear retainer is located at the lower end of the transmission gear. A bearing sealing cavity is located below the top cover, and inside the bearing sealing cavity, from top to bottom, an upper limit bearing, an upper limit retainer, a lower limit retainer, and a lower limit bearing are sequentially assembled. A filter screen and a tea dispensing assembly are located at the bottom of the barrel body. The invention employs trapezoidal stirring blades, narrower at the top and wider at the bottom, to create differentiated water flow within the barrel, ensuring the full dissolution of effective substances from the tea leaves and improving the uniformity of tea extraction and the quality of the final product. The transmission parts are equipped with a sealed bearing sealing cavity, which not only prevents moisture from causing parts to jam but also allows for the addition of lubricating oil within the sealing cavity.

This invention discloses a method and its application for enhancing the antibacterial activity of *Propionibacterium f. reudenreichii* subsp. *shermanii* metabolites by adding carrageenan to a semi-solid culture medium. The method uses *Propionibacterium f. reudenreichii* subsp. *shermanii* NBRC No. 12426 as the experimental strain and *Pichia anomala* SICC 2.894 as the indicator strain. It discloses a method for enhancing the antibacterial activity of *Propionibacterium f. reudenreichii* subsp. *shermanii* metabolites against the indicator strain *Pichia anomala* by adding carrageenan to the culture medium. Based on the culture conditions and method of *Propionibacterium f. reudenreichii* subsp. *shermanii* in this invention, the optimal amount of carrageenan added is selected as 0.6%, which significantly enhances the antibacterial activity of the *Propionibacterium f. reudenreichii* subsp. *shermanii* metabolites.

The invention relates to a plant source liquid fertilizer and a preparation method thereof, and belongs to the technical field of liquid fertilizer preparation, and the specific preparation method comprises the following steps: S1, collecting a composite plant raw material, and pretreating the raw material to obtain a fermentation substrate; s2, selecting a composite strain, performing fermentation treatment on the fermentation substrate, then filtering, and collecting a fermentation product; and S3, mixing the fermentation product with a system stabilizer. The invention provides a plant source liquid fertilizer and a preparation method thereof. According to the technical scheme, azadirachta indica leaves and agricultural wastes are used as fermentation substrates, and reutilization of plant resources and recycling of the agricultural wastes are realized through a multi-bacteria compound fermentation technology. By introducing the synergistic mechanism of the organic acid and the system stabilizer, the stability and nutrient content of the liquid fertilizer are effectively improved, and the problems of environmental pollution, low fermentation efficiency, poor stability and the like in the preparation and application processes of the existing liquid fertilizer are solved.

The utility model discloses a kind of combined device for producing biogas and generating electricity by biogas feed liquid, it is related to green new energy technical field, and it includes: storage tank, monitoring mechanism, stirring mechanism and feeding mechanism;Monitoring mechanism includes PH monitor, temperature sensor and biogas component sensor;Stirring mechanism includes mounting shaft, screw thread leaf and stirring frame;Feeding mechanism includes storage barrel and weighing sensor.Utilize monitoring mechanism to realize the real-time feedback of PH, temperature and biogas component data, dynamic adjustment fungicide addition amount, effectively reduce artificial intervention, improve fermentation stability, utilize screw thread leaf can axial advance feed liquid, enhance vertical mixing, stirring frame can be radially stirred, break scum layer and promote mass transfer, prevent bottom precipitation, utilize weighing sensor can accurately control microorganism fungicide addition amount, by electromechanical integration design, the efficient closed loop of monitoring-regulation-gas production-power generation is realized, especially suitable for small and medium scale biogas engineering.

The invention discloses a method for preventing and treating bacteriophage pollution in microbial industrial fermentation, and belongs to the technical field of microbial fermentation culture. The prevention and control method comprises the following steps: carrying out disinfection treatment on a fermentation environment by using an alkaline protease solution to obtain a clean fermentation environment; adding the fermentation culture solution into a fermentation tank in a clean fermentation environment, then inoculating the seed culture solution, and carrying out fermentation culture to obtain an initial fermentation solution; and continuously adding the supplementary culture solution into the initial fermentation solution, and continuously carrying out fermentation culture to obtain a fermentation product. According to the method, the fermentation environment is killed by utilizing the strong degradation effect of the alkaline protease on the bacteriophage protein shell, then a large amount of ammonium salt is used for replacing part of organic nitrogen sources in the fermentation culture solution, and the pollution of the bacteriophage in the microbial industrial fermentation process is remarkably reduced and the success rate of fermentation is improved in an internal and external combination manner. Therefore, the control method has a good application prospect in microbial industrial fermentation.

The utility model discloses a molten aluminum filtering device, which relates to the technical field of molten aluminum filtering and comprises a filtering box, a discharging pipe is fixedly connected to the inner wall of the filtering box, a butterfly valve is rotatably connected to the inner wall of the discharging pipe, a feeding pipe is fixedly connected to the inner wall of the top of the discharging pipe, and the butterfly valve is rotatably connected to the inner wall of the feeding pipe. A filtering mechanism is arranged on the outer wall of the filtering box and comprises an L-shaped plate, through the fixing rod and the filtering plate, when the disc rotates, the fixing rod is driven to do circular motion, when the fixing rod moves, the connecting rod is driven to do arc-shaped motion, when the connecting rod moves, the rotating shaft is driven to move, and then the rotating shaft drives the U-shaped plate to move back and forth; and meanwhile, the U-shaped plate slides in the sliding rail and the square groove, and then drives the filtering plate to move when the U-shaped plate moves, so that the filtering efficiency is improved, the flowing speed of the molten aluminum is changed through vertical movement of the filtering plate, and the situation that the flowing speed of the molten aluminum in the equipment is low, and consequently the filtering efficiency of the molten aluminum is reduced is avoided.

The utility model discloses waste gas treatment equipment for building coating, which belongs to the technical field of waste gas treatment of building coating and is characterized by comprising a storage box, a gas suction machine, a triangular guide plate, a dust falling component, a filtering component, a reinforcing block and an exhaust pipe, by arranging a storage box, an air suction machine, a triangular flow guide plate, a dust falling assembly, a filtering assembly, a reinforcing block and an exhaust pipe, waste gas and dust generated by coating spraying can be sucked into the storage box to be stored through power-on starting of the air suction machine, and then water can be diffused and sprayed into the waste gas and the dust through the dust falling assembly through power-on starting of the dust falling assembly; dust falls onto a triangular guide plate, dust falls onto a filtering assembly through guiding of the triangular guide plate, dust particles and waste gas are adsorbed through the filtering assembly, secondary waste gas generated by the dust particles after dust falling can be avoided, the stability of the filtering assembly can be improved through a reinforcing block, and the reinforcing block can fix an exhaust pipe.

The utility model discloses an edible oil processing and extracting device, and belongs to the technical field of edible oil processing. Comprising a box body, a top cover arranged at the top end of the box body, a feeding opening formed in the top cover, a filtering assembly arranged in the box body in a sliding mode, a vacuum pump arranged on the side wall of the box body and a discharging opening formed in the bottom end of the box body. The filter assembly comprises a filter cartridge, a plurality of filter screens and a limiting assembly; the filter cartridge is arranged in the box body in a sliding manner; the top end and the bottom end of the filter cartridge are opened; the plurality of filter screens are distributed in the filter cartridge up and down and are detachably connected with the filter cartridge; and in the plurality of filter screens, the hole diameters of meshes are gradually reduced from top to bottom. According to the multi-stage filter structure, solid impurities with different particle sizes can be filtered by different filter screens in a graded manner, so that the blockage probability of the filter screens is reduced, the single-time filtering time is prolonged, the cleaning frequency of the filter screens can be effectively reduced, and the filtering efficiency is improved.

The utility model discloses a kind of filtering and impurity removing equipment of printing ink waste liquid, including filter shell, and it is installed three groups of staggered filter assembly and collection assembly by support frame. Filter assembly contains outer filter ring, inner filter ring, inner filter screen etc., and large particle impurities are filtered through inner filter screen, and impurities are cleaned by scraping rod. Collection assembly is formed by outer filter screen etc., and is used to collect impurities. Driving shaft is rotated by connecting ring, main shaft drive driving ring. Guiding ring guides waste liquid flow, and inner filter ring controls liquid flow. Sealing structure is arranged between driving shaft and infusion tube. The equipment solves the problems of low filtering efficiency, impurity blockage, inconvenience of collection and processing, poor liquid flow and poor driving sealing of traditional equipment, realizes efficient filtering and impurity removal of printing ink waste liquid, and meets the needs of environmental protection and resource recovery.

This invention discloses an integrated switch-on filter, comprising a housing, a filtering mechanism, and a water-stopping mechanism. The housing has an inner cavity, with an inlet pipe and an outlet pipe communicating with the inner cavity. A switch valve is installed on the inlet pipe to open or close the inlet pipe. The filtering mechanism is detachably connected to the inner cavity and positioned between the inlet and outlet pipes, filtering water. The water-stopping mechanism includes a check valve and a sealing ring. The check valve is fixedly connected to the inlet pipe, and the switch valve is positioned between the check valve and the filtering mechanism. The check valve prevents water from flowing from the filtering mechanism to the inlet pipe, and the sealing ring is positioned between the check valve and the inlet pipe. This integrated switch-on filter not only prevents water backflow into the water pipe, thus preventing water source pollution, but also improves the filter's integration, reduces the installation space required, and enhances the user experience.

Relates to the field of food processing, and discloses a cooked wheaten food fermentation box which comprises a supporting device arranged in the fermentation box and used for placing fermented dough and a water storage device arranged on the inner bottom wall of the fermentation box, and further comprises a water level detection device arranged on one side of the fermentation box and connected with the water storage device; the water storage device comprises a water tank, the upper end of the water tank is provided with an opening, and the water tank is detachably fixed in the fermentation box; the tank cover is adjustably arranged at the upper end of the water tank; the cleaning mechanism is arranged in the water tank and connected with the tank cover, the interior of the water tank can be regularly and automatically cleaned through the cleaning mechanism, the complexity of manual cleaning is reduced, and the placement table can be flexibly adjusted up and down or front and back on the mounting frame through the adjusting mechanism; the design meets the requirements of dough with different sizes, shapes and fermentation requirements on placement space, and the universality and flexibility of the fermentation box are improved.