57results about How to "Reduce the chance of bacterial infection" patented technology

The invention discloses a multipoint sampling device for fermented grains of white spirits and an application method thereof and belongs to the technical field of brewing equipment. The invention further discloses an application method of the multipoint sampling device. The invention provides the multipoint sampling device for fermented grains of white spirits and a user is capable of carrying out multipoint and quantitative sampling according to point locations with needed depths and quantities during a sampling process by using the multipoint sampling device. The invention further provides the application method with which the user carries out the multipoint and quantitative sampling by using the multipoint sampling device in an operation. According to the multipoint sampling device, a plurality of corresponding sampling openings and sampling bin openings are arranged on an outer sleeve and an inner sleeve along the longitudinal direction. Besides, a tile-shaped sampling blade arranged in the longitudinal direction is installed on one longitudinal edge of each sampling opening. Then, when the user needs to carry out sampling of fermented grains on multiple point locations with different depths in a fermentation cellar of fermented grains of white spirits, the multipoint sampling device is assembled first, the sampling bins at the point locations with the depths where sampling is not needed are sealed, and then sampling is carried out.

The invention discloses a preparation method of probiotics-fermented Chinese wolfberry concentrated slurry. The preparation method comprises the following steps of crushing fresh Chinese wolfberry, dried Chinese wolfberry and Chinese wolfberry powder, so as to obtain Chinese wolfberry slurry, wherein the content of soluble solids is controlled to 15 to 30%; treating by ultrasonic waves, standing and hydrolyzing by enzyme, sterilizing, and inoculating with probiotics; warming at the temperature of 20 to 45 DEG C, and fermenting; naturally stopping fermenting, or finishing fermenting when the pH(potential of hydrogen) value reaches 3.0 to 4.5, so as to obtain probiotics-fermented Chinese wolfberry raw juice; separating the probiotics-fermented Chinese wolfberry raw juice, so as to obtain probiotics-fermented Chinese wolfberry paste; mixing 10 to 50% of probiotics-fermented Chinese wolfberry raw juice and 0 to 10% of probiotics-fermented Chinese wolfberry paste, and adding a proper amount of honey, syrup or white granulated sugar, stabilizer, sodium citrate, essence, sodium erythorbate, oligosaccharide, lutein, taurine, zinc gluconate, Vc (vitamin c) and other nutrition enhancers, soas to obtain the probiotics-fermented Chinese wolfberry concentrated slurry. The obtained probiotics-fermented Chinese wolfberry concentrated slurry has the advantages that the rich nutrients are contained, the color is bright and attractable, the flavor is elegant, and the bioactivity is higher.

The invention discloses an automatic rotary microbial spore incubator. The incubator contains a rack, a sterile air adding tube, a steam adding tube, a vent pipe, an incubation box, an electric motor controller, an electric motor, a reduction gearbox and a temperature controller. The automatic rotary microbial spore incubator is characterized in that the incubation box is composed of an outer box body and an inner box body; a water storage cavity is between the outer box body and the inner box body; a heating rod is fixed in the water storage cavity; the inner wall of the incubation cavity is provided with a temperature-sensing probe; the heating rod and the temperature-sensing probe are connected with the temperature controller through wires; rotation shafts on the outer walls of both sides of the outer box body are fixed in two positioning bases of the rack through bearings respectively; the driving shaft of the reduction gearbox is fixedly connected with one rotation shaft on the outer box body; and the end part of the vent pipe passes through the other rotation shaft of the outer box body to enter the incubation cavity. By adopting the automatic rotary microbial spore incubator, spores can be produced automatically; and the produced spores have uniform and stable quality and can be widely used in microbial fermentation production enterprises.

The invention discloses a magnetic stirring bioreactor and a magnetic stirring system, which comprises a magnetic steel driving disc, a magnetic steel driven disc, a fixed shaft, a stirring shaft, a stirring paddle and a positioning piece, wherein the magnetic steel driving disc is arranged outside a reaction cavity and rotates under the action of a driving force; the magnetic steel driven disc is arranged in a reaction cavity and at the bottom of the reaction cavity; the stirring shaft is arranged in the reaction cavity and fixedly connected with the magnetic steel driven disc and is sleevedon the fixed shaft together with the magnetic steel driven disc; the stirring paddle is arranged on the stirring shaft; and the positioning piece is arranged on the stirring shaft and pressed againstthe fixed shaft for regulating the distance between the magnetic steel driven disc and the magnetic steel driving disc. In the invention, a static seal magnetic force-driven stirring shaft without dynamic shaft seal feeding is used to reduce the chance for microbiological contamination and solve the leakage problem of the medium in the reactor. In addition, with a single-end supporting structure,the magnetic stirring bioreactor can be installed and cleaned more conveniently, and the structure of the reactor is more reasonable.

The invention belongs to the field of stevioside preparation, and in particular relates to an extraction method of stevioside based on a membrane method. The method comprises the following steps: firstly, carrying out rough treatment on stevioside leach liquor so as to obtain a penetrating liquid; filtering the penetrating liquid with a tubular microfiltration membrane or ultrafiltration membrane so as to obtain filtrate; filtering the filtrate with a nanofiltration membrane so as to obtain a concentrated liquid; filtering produced water obtained by nanofiltration membrane filtration excluding the concentrated liquid with a reverse osmosis membrane, reusing the filtered produced water to a stevioside leaching process or a resin absorption process so as to carry out top washing on a resin column, and outwardly discharging after the concentrated liquid obtained by reverse osmosis membrane filtration is qualified by treatment; and finally, filtering the concentrated liquid with the ultrafiltration membrane so as to obtain a transmission liquid, and purifying the transmission liquid in the resin absorption process so as to obtain the stevioside. By using the method, the problems that the yield is low and the purity of the product is low in the existing stevioside extraction process are solved, and especially, the problems that production cost is high and environmental pollution is severe in the conventional extraction process are solved.

An industrialized mushroom production method comprises the following steps of making wood scraps; mixing materials; packaging the materials into bags; sterilizing the materials; feeding fungus barrels to a sterilizing chamber and sterilizing the fungus by using steam; directly feeding the fungus barrels to an inoculation workshop after the fungus barrels are sterilized; performing inoculation on the fungus barrel; and fruiting. Industrialized mushroom production is realized by the steps. The industrialized mushroom production system comprises a scrap making device, a weighing and mixing device, a fungus barrel packaging device, a sterilizing chamber, an inoculation workshop and a fruiting workshop, wherein the scrap making device is connected with the weighing and mixing device through a conveying device; the weighing and mixing device is connected with the fungus barrel packaging device through the conveying device; a first sealing door and a second sealing door are respectively arranged at two ends of the sterilizing chamber; the first sealing door is close to the fungus barrel packaging device as much as possible; and the second sealing door is directly positioned in the inoculation workshop. The probability that the fungus barrels are infected by infectious microbes is reduced in a production process, the inoculation efficiency is improved, and the labor intensity is reduced. Moreover, the utilization rate of equipment is improved, and continuous production is realized.

A crystallization process for glucose production features several horizontal crystallizers connected serially for continuous feeding, continuous crystallization and continuous discharging. The stable continuous operation of the crystallization process is maintained by controlling the material inlet temperature, discharging temperature and other several main parameters. Compared with the traditional crystallization process, the present invention has the advantages of low investment in equipment, high production efficiency, continuous stable operation of crystallization process, high product quality and high yield of crystallized glucose.

The invention relates to a method for utilizing sorgo straw waste residue after ethanol preparation, which comprises the following steps: weighing the sorgo straw waste residue after ethanol preparation in a loose state at a temperature of between 80 and 100 DEG C according to the demanded weight standard, bagging the waste residue, extracting vacuum by a vacuum package machine, and sealing the waste residue to prepare the sterile vacuum-packed sorgo straw waste residue. The method adopts the principle that the sorgo straw waste residue is distilled for more than 20 minutes in the steam at a temperature of more than 100 DEG C and achieves the sterilizing effect, and the hot sorgo straw waste residue is packed into a heat-resisting plastic packing bag, vacuumized in time and sealed, so the fodder greatly reduces contamination chance; and when the temperature of the fodder is reduced, the packing bag further shrinks, so the fresh-preservation period of the fodder is greatly prolonged, the fodder is convenient to store and transport, is healthy for part livestock and poultry, and avoids resource waste.

The invention provides compound feed for micropterus salmoides fries. The compound feed comprises the following raw materials, by weight: 40-50 parts of bran, 21-26 parts of soybean dreg, 15-20 partsof cuttlefish powder, 15-20 parts of chicken liver powder, 10-16 parts of buckwheat, 2-6 parts of water snake meat powder, 4-8 parts of castor oil residues, 2-6 parts of a feed additive, 0.6-1.8 partsof a mineral salt mixture and 0.5-1.5 parts of a multi-vitamin premix. The feed additive is prepared by using raw materails: 75 to 85wt% of main traditional Chinese medicine extract, 10 to 15 wt% ofolive oil and 5 to 10 wt% of medical stone powder. The traditional Chinese medicine extract is mainly prepared by using the following materials: grape seeds, black rice, poria cocos, lotus seeds, longans, Chinese yams, Chinese thorowax root, mulberries, selfheal and earthworm powder through enzymolysis and boiling extraction. With the feed, the bacterial infection rate of fries can be reduced; theimmunity can be improved; the oxygen uptake rate of the fries can be enhanced; the activeness of the fries can be improved and the survival rate can be increased.

The invention discloses a preparation method of a provenance spore microbial agent used in an Aspergillus niger koji making process. The method includes the steps of firstly, culturing provenance spores in a cob culture medium; secondly, preparing the provenance spore microbial agent by using a carrier adsorption separation method; thirdly, inoculating a bran koji culture container with the prepared provenance spore microbial agent to culture and prepare koji. The method has the advantages that the problems of limitation and instability of eggplant-shaped bottle provenance are solved, provenance production quantity is lowered greatly, inoculation operation steps during koji making are reduced, contamination is avoided, enterprise manpower cost is reduced greatly, and good economic benefitsare created for enterprises.

The invention provides a two-way self-disinfection door handle, and discloses the self-disinfection door handle. According to the self-disinfection door handle, the door handle is disinfected and cleaned through the door opening action, the disinfection is timely, the cost is low, the self-disinfection door handle is convenient to popularize and use. The two-way self-disinfection door handle is characterized in that one end of a main fixing rod is vertically connected with one end of a main handle, the other end of the main handle is provided with a fixing seat, one end of a lock sleeve is disposed on the other end of the main handle, the lock sleeve is a square tube, a bearing is interposed between the fixing seat and the main handle, two screw holes are symmetrically formed in the fixingseat, the other end of the main fixing rod is provided with a wired hole, the outer wall of the main fixing rod is provided with a sliding groove, a main sliding cylinder sleeves the main fixing rod,a wired groove is formed in the main sliding cylinder, a limiting ring sleeves the main sliding cylinder, a limiting block is arranged on the main fixing rod, the limiting ring is attached to the limiting block, and a main disinfecting ring sleeves the main sliding cylinder.

The invention relates to the field of an article for livestock breeding, in particular to a cow fence mat. The cow fence mat comprises a cow fence mat body, wherein the cow fence mat body comprises edge rubber arranged at two sides, an upper covering rubber layer, a middle rubber pasting layer and a lower covering rubber layer, the upper covering rubber layer, the middle rubber pasting layer and the lower covering rubber layer are arranged between the edge rubber arranged at two sides, a bag body is arranged in the middle rubber pasting layer in a separated way, and an upper framework layer and a lower framework layer are respectively arranged above and under the bag body. The cow fence mat is characterized in that a separation film layer is also arranged between the upper framework layer and the lower framework layer, an air inflation or liquid filling nozzle leading to the outside is arranged in the bag body, the separation film layer is a silicone oil separation film layer, and the rubber pasting thickness between the upper framework layer and the upper covering rubber layer and the rubber pasting thickness between the lower framework layer and the lower covering rubber layer are respectively 1.2 to 2.0mm. The cow fence mat has the beneficial effects that the mat body has higher elasticity, and in addition, when air or liquid in the bag body leaks in the use process, the adhesion of the upper framework layer and the lower framework layer cannot be caused. Therefore the service life of the cow fence mat is greatly prolonged.

The invention provides a fermentation tank capable of defoaming by using ultrasonic waves. The fermentation tank comprises a fermentation tank shell and an ultrasonic wave generating device, and is provided with a stirring motor and a cyclone separator, wherein the cyclone separator is arranged at the upper part of the fermentation tank; the ultrasonic wave generating device is composed of a defoaming reactor, an ultrasonic wave transducer, a controller and a power supply; and the defoaming reactor is arranged at the bottom of the cyclone separator and is connected with the upper top of the fermentation tank shell. The fermentation tank provided by the invention is low in investment, simple and easy to install and easy to popularize, and can effectively eliminate fermentation foam, reduce the consumption of defoaming agent and improve the product quality. Thus, the fermentation tank has favorable popularization and application value in industries such as fermentation, chemical engineering and the like.

The invention relates to a granisetron hydrochloride glucose injection and a preparation method thereof. Single dose comprises 3.35 mg of granisetron hydrochloride, and the dosage of glucose is 5% of water for injection. The granisetron hydrochloride glucose injection and the preparation method thereof have the advantages that the production time is shortened greatly, contamination opportunities are reduced, and a large amount of energy can be saved; and prepared products have the advantages that toxic and side effects can be reduced, the quality is more stable, and higher safety and reliability are achieved.

The invention discloses elevator control equipment. The elevator control equipment comprises a shell, a reflectometer, a photography instrument, an image reading device and an integrated chip, wherein the reflectometer is used for forming control button images on the shell through reflection; the photography instrument is used for collecting the control button images on the shell; the image reading device is electrically connected with the photography instrument and used for identifying the control button images collected by the photography instrument; and the integrated chip is connected with the image reading device and the reflectometer and used for controlling an elevator to operate according to identification results of the image reading device. By the adoption of the elevator control equipment, elevator operation can be controlled without direct contact, so that the probability of bacterial infection is greatly decreased; and the situation that normal operation of the elevator is influenced due to button damage is avoided, the probability of electric shock caused by electric leakage is decreased, and accordingly the reliability of elevator operation is greatly improved.

The invention relates to a method for preparing a feed leavening agent through a mixed fermentation technology, and mainly aims at solving the problems that due to the fact that at preset, aerobic bacteria and anaerobic bacteria are cultured separately, more production links are needed, and the bacterial contamination probability is increased. The method comprises the steps that a seed solution A, a seed solution B and a synthetic culture medium are prepared, and a fermentation tank is disinfected; feeding, disinfecting and inoculating are conducted in sequence, standing is conducted for two hours after inoculating is conducted, an exhaust valve arranged on the fermentation tank is switched on, oxygen is introduced for aerobic culture, the oxygen is introduced for 8 hours, sampling is conducted for a microscopic examination, the growth rates of the aerobic bacteria and the anaerobic bacteria are observed, when the aerobic bacteria reach 75%, oxygen adding is stopped, an air valve is switched off for anaerobic culture for about 8 hours, then a microscopic examination is conducted, when the anaerobic bacteria account for 70%, the air valve arranged on the fermentation tank is switched on for aerobic culture for 8 hours, then a microscopic examination is conducted, when the aerobic bacteria account for 80% or above, oxygen adding is stopped, anaerobic culture is conducted completely, and culture is finished after 48 hours. The method has the advantages of reducing the production links and the bacterial contamination probability.

The invention discloses face cream for removing acne and preventing infection and a preparation method thereof. The face cream is prepared from traditional Chinese medicine extracts and face cream auxiliary materials. The traditional Chinese medicine extracts are prepared from the following raw materials in parts by weight: 10 to 20 parts of leaf of shrubby baeckea, 5 to 15 parts of herba emiliaesonchifoliae, 10 to 20 parts of bamboo shoots, 5 to 10 parts of herba taraxaci, 5 to 10 parts of fructus gardeniae, 5 to 15 parts of mung bean, 10 to 20 parts of white gourd, 5 to 10 parts of spica prunellae, 5 to 10 parts of herba violet and 3 to 10 parts of mulberry leaves; the face cream auxiliary materials are prepared from the following raw materials including isopropyl myristate, glycerol, vaseline, glycerin monostearate, propanediol, honey, EDTA disodium, rose essential oil and essence. The face cream has a good acne removal effect, has the anti-infection effects and does not have toxicand side effects on the human body, wherein the traditional Chinese herbal medicine is prepared by a reasonable recipe through extraction, is mild and in-irritative; the heat toxin of the skin in theaffected parts can be effectively cleared; the skin inner environment can be improved from the sources; the skin resistance is enhanced; the bacterium infection possibility is reduced; after the cure, the acne mark and acne spots are not left after the cure; the recurrence cannot easily occur.

The invention provides an intelligent earwax cleaning rod. The intelligent earwax cleaning rod comprises an earpick, a camera, a bendable connecting rod and a fixing assembly; the earpick and the camera are located in the fixing assembly and are fixedly installed at one end of the bendable connecting rod through the fixing assembly; the end, away from the fixing assembly, of the bendable connecting rod is used for being in close fit with a handheld shell; the fixing assembly comprises a fixing cylinder and a connecting cylinder; one end of the fixing cylinder is connected to one end of the bendable connecting rod in a sleeving mode; the connecting cylinder is screwed with one end, far away from the bendable connecting rod, of the fixing cylinder; a mounting part of the earpick is propped between one end, far away from the fixing cylinder, of the connecting cylinder and one end, far away from the bendable connecting rod, of the fixing cylinder; and the whole camera is located in the fixing cylinder, and the camera is located between the mounting part of the earpick and the bendable connecting rod, so that the earpick and the camera are bent compared with a handheld handle, the convenience of the earpick during earwax cleaning is improved, and the camera can conveniently change the camera shooting area along with the change of the working angle of the earpick.

The invention provides a shiitake mushroom industrialized cultivation method for creating stable growth environment. The shiitake mushroom industrialized cultivation method comprises the following process steps of (1) preparing a culture material and performing bagging, wherein a solid part of the culture material is prepared from the following materials in percentage by weight of 78% of broad-leaved tree sawdust, 20% of bran, 1% of gypsum and 1% of magnesium sulfat, water is added into the solid part of the culture material to be evenly mixed, and the culture material is bagged to prepare mushroom sticks; (2) performing sterilizing; (3) performing inoculation; (4) cultivating mushrooms, namely controlling temperature, the humidity and the light to cultivate the mushrooms; and (5) performing fruiting management, namely carrying the mushroom sticks subjected to mushroom cultivation to a fruiting workshop for fruiting, arranging a temperature adjustment, humidity adjustment and forced ventilation device in the fruiting workshop, and managing the fruiting process of the mushroom sticks until shiitake mushrooms are mature. According to the method, the reasonable culture material is adopted, the probability that the mushroom sticks are infected with infectious microbes is reduced, reasonable technical parameters are set in the mushroom cultivation and fruiting process, a stable shiitake mushroom growth environment is created, and the high-quality shiitake mushrooms can be obtained easily.

The invention belongs to the technical field of amino acid production, and discloses a glutamic acid fermentation method for improving the utilization rate of thallus. The method comprises the following steps of: preparing a glutamic acid fermentation liquid: inoculating a seed solution of glutamic acid producing bacteria into a seed tank, carrying out infectious microbe detection, and carrying out fermentation culture by using the seed solution without infectious microbes to obtain the glutamic acid fermentation liquid; separating a glutamic acid material liquid and mycoprotein in the obtained glutamic acid fermentation liquid by using a high-speed disc separator to remove fermentation thallus; carrying out low-temperature evaporation concentration by using a multi-effect plate evaporator to obtain a glutamic acid concentrate; and extracting glutamic acid based on the obtained glutamic acid concentrate. The method effectively prolongs the glutamic acid fermentation acid production period and improves the sugar acid conversion rate. Glutamic acid fermentation waste thallus are used to prepare a fermentation medium to realize secondary utilization for glutamic acid fermentation, and high-speed centrifugal separation effectively improves the yield of the thallus, fully performs the fermentation characteristics of the thallus and improves the utilization rate of the thallus.

The invention discloses a method for preparing crispy and tasty cabbage leaf food convenient to eat. The method includes steps of weighing 20-70 parts of cabbage leaves, cooking the cabbage leaves in water, filtering the water and circularly drying the cabbage leaves by the aid of hot air at the temperature of 40-70 DEG C until the moisture content of the cabbage leaves is 5-15wt%; soaking the cabbage leaves in 100-140 parts of edible alcohol with the purity of 90-94% at the room temperature, heating the cabbage leaves until the temperatures of the cabbage leaves reach 40-60 DEG C, stirring the cabbage leaves, drying the cabbage leaves until the solid content of the cabbage leaves is 60-80wt%, stirring the cabbage leaves until the cabbage leaves are granular and drying the cabbage leaves until the solid content of the cabbage leaves is 88-94wt% so as to obtain first prepared materials; adding 5-15 parts of sweeteners and 1-3 parts of table salt into the first prepared materials, uniformly mixing the first prepared materials, the sweeteners and the table salt with one another to obtain mixtures and drying the mixtures by the aid of microwave to obtain second prepared materials; adding 4-20 parts of gelatin into the second prepared materials, uniformly stirring the second prepared materials and the gelatin to obtain mixtures, spraying 20-40 parts of peanut powder on the mixtures in stirring states to obtain mixtures and drying the mixtures under vacuum conditions to obtain the crispy and tasty cabbage leaf food convenient to eat.