187results about How to "Guaranteed sterilization effect" patented technology

The invention discloses a low-salt liquid state fermented soy sauce production process, comprising the following main processes: preparing koji in a koji-maker machine; mixing the wheat which is fried and smashed with koji, inoculating the mixture in soybean meal and bran which are cooked; preparing finished koji in a koji making disc machine; mixing the finished koji with brine, sending the mixture in a fermenting vat for fermentation; preparing the finished soy sauce through soaking, pouring oil, filtrating, mixing, sterilizing and filling to obtain the finished soy sauce. The soy sauce is characterized in that materials containing zygosaccharomyces Rouxii 2.180 accounting for 1.5-2.5% of the total weight of materials and torulopsis candida 2.202 accounting for 1.5-2.5% of the total weight of materials are added during the medium term of the fermentation process and the raw materials--soybean meal and bran are cooked by high temperature short-time continuous cooking process. Compared with the prior art, the raw material digestion rate can reach 88-90%, the protein utilization rate can reach 83%, the activity of neutral protease of the finished koji can reach 2000mu / g, the enzymesystem is complete, the defects such as long period of high-salt liquid state fermentation (180 days), burnt flavour and heavy bitter taste of low-salt solid state fermentation and the like are overcame and the produced soy sauce is characterized by strong soysauce-like aroma, alcohol-like aroma and ester-like aroma and the like.

The invention discloses an inner tub cleaning device for a washing machine, which comprises a washing machine drum and a jacket outside the drum. The inner tub cleaning device is characterized in that brush strips are disposed on the outer wall of the drum and axially disposed on the jacket, bristles on the brush strips on the outer wall of the drum and the jacket respectively contact with the jacket wall and the outer wall of the drum, and the bristles on the brush strips on the outer wall of the drum and the jacket are mutually staggered. When a drum washing machine or sleeve washing machine operates and rotates normally, the outer wall of the drum and the jacket wall can be cleaned through brushes to prevent dirt from accumulating on the outer wall of the drum and the jacket wall, and the dirt can be discharged with laundry sewage. Electromagnets and the drum are in coordinated positive-reverse rotation to fully clean the outer wall of the drum and the jacket wall. Using the inner tub cleaning device guarantees cleaning and disinfecting effects of the washing machine.

The invention provides a treatment method of manure waste generated in the process of soaking manure in water in a breeding farm, which comprises the following steps: (1) performing solid-liquid separation of the manure waste to form a solid substance and waste water; (2) adjusting the solid substance into a solid fermentable substance with a solid mass content of 6%-12%; (3) performing anaerobic fermentation of the solid fermentable substance to generate biogas residues, biogas liquid, and biogas; (4) performing waste water anaerobic fermentation of the waste water generated in step (1) and the biogas liquid generated in step (3) to generate biogas and fertilized water; (5) collecting the biogas generated in step (3) and step (4). The invention can increase the biogas yield by 15%-30%, and save the volume of the anaerobic reactor by 50%-80%; fertilizer production by biogas residues is performed after the solid substance in pig manure is anaerobically fermented, so the sterilization effect of the fertilizer is ensured; and the production process does not require changes of the breeding mode or control of the water content of pig manure.

The invention concerns a leucocyte filter, which belongs to medical transfusion apparatus for removing leucocyte in blood. It consists of upper duct 1, elastic soft body 2, upper fastening body 3, down duct 6, down fastening body 7, microporous membrane 10 and characterizes in that a body case is assembled by elastic soft body 2, upper fastening body 3, down fastening body 7 and only upper duct 1 and down duct 6 inside the body case communicates to the outside, the rest of which is closed.

The invention discloses a sterilization method for fresh-kept wet rice noodles, belonging to the technical field of food processing. The sterilization method has the following preparation process: cleaning milled early long-grain nonglutinous rice, carrying out soaking, pulping and pulp blending, then performing one-time extrusion molding by using a fully-automatic rice flour machine, and carryingout dispersing; sterilizing dispersed fresh wet rice noodles by using acidic electrolyzed oxidizing water in a closed soaking or spraying manner; draining the sterilized fresh wet rice noodles in a sterile or clean environment, packaging the drained rice noodles into a proper packaging bag, and sealing the packaging bag after the packaging bag is not vacuumized or moderately vacuumized; and carrying out pasteurization on the packaged rice noodles, and carrying out cooling so as to obtain the fresh-kept wet rice noodle product. The method provided by the invention is highly-efficient and thorough in sterilization, simple in process, convenient to operate, low in cost, free of pollution and residues, free of damage to the taste and quality of the fresh wet rice noodles and wide in market prospect.

The invention discloses an infusion bag overturning distribution device which comprises a machine frame, an overturning mechanism, a conveying mechanism and a clamping hand unit. The device is characterized in that the clamping hand unit comprises a transverse expansion mechanism and a plurality of clamping hand assemblies. The clamping hand assemblies are installed at the lower end of the transverse expansion mechanism in different groups. The transverse expansion mechanism adjusts the group distance through a transverse expansion air cylinder. According to the infusion bag overturning distribution device, the tail portions of infusion bags are clamped through clamping hands, and the bodies of the infusion bags are positioned through vacuum suction cups so as to be prevented from waggling. The distance adjusting cylinder is used for grouping the infusion bags, the group gap is ensured, and the infusion bags are kept horizontal when placed into a mold, and the sterilizing effect is ensured; the problem that the product percent of pass is lowered due to the quality problem in the sterilizing process is avoided.

The invention relates to a double-layer steam sterilization pot and a moveable medical waste emergent disposal system. The sterilization pot comprises a pulse vacuum steam sterilizer pot body, a middle jacket layer and a heat preservation layer, wherein the middle jacket layer is arranged on the outer surface of the pulse vacuum steam sterilizer pot body, a middle jacket layer in a tightly connected manner; a middle interlayer is arranged on the outer surface of the pulse vacuum steam sterilizer pot body, a middle jacket layer and the inner surface of the middle jacket layer; the middle interlayer is capable of containing and introducing steam; the heat preservation layer is arranged on the outer surface of the middle jacket layer in a tightly connected manner; and the system comprises a feeding system, a discharge system, a high-temperature steam sterilization system, a steam generation system, a cooling system, a crushing packaging system, a waste gas treatment system, a wastewater pretreatment system and an auxiliary sterilization system. The system can be applied to emergent disposal on medical wastes involved in an epidemic situation and / or medical wastes of sudden disasters and / or daily medical wastes.

The invention relates to a steam sterilizing device of a crude drug of a Tibetan medicine, comprising a sterilizing bin and a cooling bin, wherein the sterilizing bin is provided with a sterilizing bin feeding hole and a sterilizing bin discharging hole, and the cooling bin is provided with a cooling bin feeding hole and a cooling bin discharging hole; the cooling bin feeding hole is connected with the sterilizing bin discharging hole; a gas exhaust port is arranged on the upper part of the sterilizing bin; a rotary agitator is arranged in the sterilizing bin which is provided with a hot air inlet; the hot air inlet is provided with a first branch air inlet and a second branch air inlet; the first branch air inlet is connected with a first hot air induced draft fan through a pneumatic valve; and the second branch air inlet is respectively connected with a second hot air induced draft and a steam generator through an energy-accumulated steam heat exchanger. The invention solves the problems that the steam sterilizing device in the prior art does not preheat or thoroughly preheat and is easy to generate condensed water, is especially suitable for sterilizing devices of crude medicinal materials of the Tibetan medicine, traditional Chinese medicinal materials, Chinese patent drugs, food, seasonings and other raw materials.

The invention relates to multifunctional rainwater collection, purification and recycling apparatus for buildings. The apparatus comprises a bottom plate, a rotary stirring device positioned on the bottom plate, a frame device arranged on the rotary stirring device, an electric cylinder device positioned above the bottom plate, a purifying device arranged in the frame device, a filtering device positioned above the purifying device, and a piston device arranged on the filtering device. According to the invention, a piston continuously moves up and down, and then the flow rate of rainwater canbe effectively changed, so that impurities are effectively prevented from blocking filter holes, and the smooth purification is ensured; in addition, water periodically flows into the inner part, so that the sewage treatment effect can be improved; and the rainwater can be driven to fully flow when the rainwater is disinfected, so that the sterilization and disinfection effect on the rainwater isensured, the further treatment of the rainwater in a lager period is facilitated, and the rainwater purification effect is ensured.

The invention discloses a medical low-temperature steam formaldehyde sterilization cabinet and a sterilization method thereof. The medical low-temperature steam formaldehyde sterilization cabinet comprises a cabinet body, a sterilization cavity, a formaldehyde water solution medicine feeding device, a steam generator, an electric control device, an evacuating device and a clean air supplying system, wherein the sterilization cavity comprises a sterilization chamber, a heating jacket and a sterilization chamber door; the steam generator comprises a heat supply medium box; a formaldehyde vaporization pipeline, a heating device, a heat supply medium pipeline port, a low-temperature steam outlet and a waste liquid outlet are formed in the heat supply medium box; a medicine outlet pipeline of the formaldehyde water solution medicine feeding device is connected to the inlet of the formaldehyde vaporization pipeline; the outlet of the formaldehyde vaporization pipeline is connected to the sterilization chamber; the low-temperature steam outlet is connected to the sterilization chamber and the heating jacket through pipelines; the evacuating port of the evacuating device is connected to the sterilization chamber; the air supply end of the clean air supplying system is connected to the sterilization chamber. By mixing the low-temperature steam and the formaldehyde gas for sterilization at the vacuum state, the sterilization effect is complete without dead angle, and the residual formaldehyde gas can be eliminated completely after sterilizing.

The invention discloses a high-protein marinated dried tofu and a marinating method thereof, and a preparation method of a sauce for marinating the high-protein marinated dried tofu, belonging to the field of manufacturing techniques of dried tofu. The preparation method of the sauce for marinating the high-protein marinated dried tofu comprises the following steps: A. immersing the soybean raw material, carrying out dry steaming, and cooling; B. adding flour and fermentation auxiliary materials into the soybeans, stirring uniformly, spreading, and fermenting; and C. pouring the fermented soybeans into saline water, storing, and drying in the sun to prepare the soybean sauce. The marinating method of the high-protein marinated dried tofu comprises the following steps: immersing the soybeans, grinding, filtering, steaming, curdling, forming, pressing, slicing and boiling with soda to remove the bean flavor, thereby preparing the dried tofu billets; decocting the marinating material from the soybean sauce, putting the dried tofu billets into the marinating material, and marinating to obtain the marinated dried tofu; and sterilizing the marinated dried tofu. The marinated dried tofu prepared by the marinating method effectively avoids loss of nutrients, and has higher protein content.

The invention relates to a photocatalytic aerated disinfecting and fertilizer supplementing device which comprises a micro-nano bubble generating device, a photocatalytic disinfection device, a nitration reaction device, a regulating reservoir and an aerator, wherein the micro-nano bubble generating device is communicated with the aerator; the outlet of the photocatalytic disinfection device is communicated with the inlet of the regulating reservoir; the outlet of the photocatalytic disinfection device is communicated with the inlet of the nitration reaction device; and the outlet of the nitration reaction device is communicated with the inlet of the regulating reservoir. According to the device disclosed by the invention, air can be rapidly dispersed in a liquid phase in a micro-nano bubble form, the dissolved oxygen value in a water body is improved, the conversion efficiency of a subsequent nitration reaction is improved, growth of the plant root system can be promoted, and particularly for hydroponic plants in soilless culture, the root rot phenomenon caused by oxygen lack of the root system can be avoided.

The invention relates to a circulating cooling water treatment apparatus. The apparatus comprises a rotary switch, a liquid adding hole, hollow connection rods, an internal scraper, a liquid dispersion chamber, a wiring tube, a water treatment sleeve and an electric control cabinet, the water treatment sleeve is provided with the electric control cabinet and a liquid storage room used for containing a cleaning liquid, the liquid storage room is provided with the liquid adding hole, the water treatment sleeve is connected with an ultrasonic wave generator through a bottom support, the electric control room is electrically connected with the electric control cabinet and the ultrasonic wave generator through the line tube, one ends of the hollow connection rods are connected with the liquid storage room, the other ends of the hollow connection rods are connected with the liquid dispersion chamber, and the lower portion of the liquid dispersion chamber is provided with a hole allowing the cleaning liquid to permeate to the internal scraper arranged on the inner wall of the water treatment sleeve. The apparatus has the advantages of self cleaning, environmental protection, high efficiency, realization of the circulating cooling water treatment through the organic combination of ultrasonic waves, ultraviolet ray and photo-catalysis, full utilization of clean low-cost solar energy and a photo-catalytic system almost having no material loss, stable running, maintaining convenience, and high automation degree.

The invention relates to a preparation process of a beverage containing a rose flower extracting solution. The method comprises the following steps of: (1) extracting washed rose flowers with water to obtain the rose flower extracting solution; (2) adding propolis, citric acid and honey into the rose flower extracting solution and uniformly mixing to obtain a mixed solution, wherein the mass ratio of the rose flower extracting solution to the propolis to the citric acid to the honey is 50 to 10 to 15 to 7; and (3) sterilizing the mixed solution to prepare the beverage containing the rose flowers. The preparation process of the beverage containing the rose flower extracting solution, provided by the invention, has the advantages of high nutrient component content, good taste, long guarantee period and the like.

The invention discloses a programmed temperature rise sterilization method of an edible fungi culture material, and belongs to the technical field of edible fungi cultivation. The sterilization method adopts a three-step ladder type, and comprises the following steps: firstly, putting the culture material into a sterilization pot, rising the temperature to 90 to 95 DEG C, keeping the temperature for 60 min, secondly, rising the temperature to 105 to 110 DEG C continuously, keeping the temperature for 60 min, thirdly, rising the temperature to 121 to 125 DEG C continuously, keeping the temperature for 90 min, braising the culture material for 90 min, fourthly, opening the sterilization pot when the air pressure of the sterilization pot is reduced to zero and the temperature is reduced to 85 to 95 DEG C, starting an air filter, and cooling the culture material. The method can reduce the loss of nutrient substances namely folic acid, nicotinic acid, vitamin B and vitamin C required by the edible fungi during the sterilization process, provides more nutrient elements for the thallus growth, and simultaneously guarantees the sterilization effect.

The invention relates to the technical field of air conditioners, and particularly provides a control method of an air conditioner. The invention aims to solve the problem that the running state of a degerming device cannot be adjusted in time according to a specific use scene in the prior art. In order to achieve the purpose, the control method comprises the steps of obtaining a number of people in the indoor space; comparing the number of people with a first preset number of people; if the number of people is greater than the first preset number of people, controlling the degerming device to operate in a degerming mode; and if the number of people is less than or equal to the first preset number of people, controlling the degerming device to operate in a health-care mode. The step of controlling the degerming device to operate in the degerming mode further comprises the step of controlling a positive emission head and a negative emission head to operate at the same time. The step of controlling the degerming device to operate in a health-care mode further comprises the step of only controlling the negative emission head to operate. The operation mode of the degerming device is adjusted in real time according to the actual number of people in the indoor space, and therefore the requirements of users can be better met.

The invention discloses an energy beverage suitable for patients before operation to drink and belongs to the field of processing a special medicine formula food. Each 100ml of the energy beverage comprises 10-15g of carbohydrate, 0.2-0.5g of dietary fibers, 70-80mg of sodium ions and 60-70mg of potassium ions. The energy beverage provides energy ingestion for patients before operation, the gastrointestinal tract loads can be reduced, energy requirements of the patients during operation can be met, and the insulin resistance and proteolysis metabolism of the patients after operation can be effectively alleviated. The energy beverage is particularly suitable for energy supplement of patients before surgical operation.

An automatic ozone circulation mixing device for pesticide-free crop virus killing comprises a mixing tank, a water jet device and a booster water pump. The mixing tank comprises a tank body, a jet mixing cavity, a rotary water spray mixer, an annular channel, a rotary mixing cavity, a water outlet channel, a collecting box and a circulating pipe. A gas-liquid nozzle at the lower end of the water jet device is connected to the upper portion of the mixing tank and communicated with the jet mixing cavity, an air suction chamber of the water jet device is provided with a circulating pipe connector and an ozone connector, the circulating pipe connector is connected with one end of the circulating pipe, the other end of the circulating pipe is communicated with the collecting box, and the booster water pump is connected onto a water inlet pipe or a water outlet pipe of the mixing tank. Different mixing cavities are used for mixing, ozone is easier to be evenly mixed and can be sufficiently mixed with liquor to be dissolved, the ozone is repeatedly mixed by the circulating pipe until being dissolved, and sufficient dissolving is ensured, so that sterilization capacity and sterilization stability are ensured. Various water-vapor mixing modes are integrated, and accordingly, the automatic ozone circulation mixing device is more conveniently combined with other spraying equipment and is simple and compact in structure, low in manufacturing cost and convenient in processing and popularization.

The present invention discloses normal temperature pressurizing CO2 sterilization method. The sterilization method includes introducing CO2 to eliminate residual air from autoclave, filling liquid to be sterilized to at most 75 vol% of the autoclave, balancing the temperature of the autoclave in water bath at 25-45 deg.c for 10-15 min, introducing CO2 at 2-8 MPa and 25-45 deg.c, and maintaining the pressure for 5-120 min. The present invention has broad spectrum sterilization of killing Gram+ bacterium, Gram- bacterium, saccharomycetes, mildew and other microbes. The normal temperature operation is suitable for sterilizing heat sensitive matter and maintaining food flavor, and lowering pressure while prolonging the pressure maintaining period can reduce the deactivation and hydrolysis of enzyme, protein and other matters. Small amount of alcohol may be added to raise the sterilization effect, save power and reduce operation period.

The invention discloses a portable tissue sample box, and belongs to the field of experimental apparatuses. The portable tissue sample box comprises a box body with a cover, wherein a sample frame is arranged in the box body with the cover; a functional cavity is formed in a cover body of the box body with the cover; a fan and an ultraviolet light source group are arranged on the upper surface of the functional cavity; the fan is connected with a driving device; and the driving device is arranged in the functional cavity. According to the portable tissue sample box, sample storage and sterilization functions are integrated into one box body, so that the portable tissue sample box is convenient to carry; a biological sample, particularly tissue and organ samples, can be sterilized immediately after being collected and then stored at normal temperature; and therefore, substance components in the samples cannot be destroyed.

The present invention discloses a processing method of freshly squeezed pomegranate juice and relates to the technical field of drink processing. The processing method mainly comprises the following steps: (1) raw material selecting; (2) pomegranate juice squeezing; (3) raw pomegranate juice astringency removing; (4) pomegranate juice blending; (5) homogenizing and degassing, (6) sterilizing, and (7) aseptic filling. The processing method of the freshly squeezed pomegranate juice is simple in technology, excellent in mouthfeel, and good in nutritional value. A spherical astringency removing agent is used to rapidly remove the astringent taste of the raw pomegranate juice, short in astringency removing treatment time, and good in effects. After the astringency removing, the raw pomegranate juice is completely free of the astringent taste in drinking. At the same time, an instantaneous high temperature sterilization and an ice water instantaneous cooling operation are used, and the processing method ensures the sterilization effects and at the same time ensures nutritional value of the pomegranate juice.

The invention discloses a refrigerator fresh-keeping device based on gas adjustment, and relates to the technical field of refrigerator fresh-keeping. In the refrigerator fresh-keeping device, air inlets are formed in the upper parts of corresponding refrigerator compartments; return air inlets are formed in the lower parts of the corresponding refrigerator compartments; substrate membranes and gas adjustment devices are sequentially mounted on each of the air inlets and the return air inlets; the gas adjustment devices comprise motor devices, gas adjustment membranes and physical absorption devices; the motor devices retain nitrogen and exhaust oxygen actively and passively; sterilization deodorization devices and space electric field devices are mounted on the corresponding refrigeratorcompartments; and the sterilization deodorization devices comprise UV-irradiation devices, photocatalytic generation devices, ion generation devices and water ion generation devices. Different refrigerator compartments are arranged to store different foods, so that food tainting and cross contamination are avoided; and the gas adjustment devices and a breathable and moisture-proof membranes are mounted on each of the air inlets and the return air inlets, and the sterilization deodorization devices and the space electric field devices are arranged, so that the environment and the sterilizing and fresh-keeping effects in a refrigerator are ensured.

The invention discloses an elevator button. The elevator button comprises a button shell. The surface of the button shell is coated with a third sterilization coating. A sensing device used for detecting the elevator button pressing frequency by people, automatic sterilization equipment used for carrying out sterilization on the elevator button, a control device used for controlling the automatic sterilization equipment to work, and a power supply unit used for providing a power source for the automatic sterilization equipment are arranged in the button shell. The automatic sterilization equipment is connected with the control device and the power supply unit. The control device is connected with the sensing device. The automatic sterilization equipment comprises an ultraviolet sterilization lamp. By means of the elevator button, the elevator button can be sterilized in a targeted mode, and the sterilization effect is good and lasts long.

The invention discloses a dendrobium cultivation method in a natural state. According to the method, firstly moss is overgrown on waxberry tree bark, high-quality waxberry trees which are robust, richin root system and free of diseases and insect pests are selected, the bark is thoroughly cut in the direction parallel to trunks, and the base of the wood is not injured, wherein the length is 30 cm, and the interval is 30 cm. Bryopsida moss is selected, preferably funaria hygrometrica, and the moss is fixed to the waxberry tree bark through a wood splinter and is tied with a hemp rope. After the moss covers the waxberry tree bark and the hemp rope, 2-year-old dendrobium seedlings robust in root hairs are selected, the hemp rope is untied, the dendrobium seedlings are inserted between the moss and the bark, and finally the untied hemp rope is tied. Before tying, the waxberry trees and the moss overgrown on the waxberry trees are subjected to disinfection and sterilization treatment through a special device and a special disinfectant.

The invention discloses a plasma sterilization device for a hospital exhaust system. The plasma sterilization device mainly comprises a box body, a control system, an inlet exhaust fan and an outlet exhaust fan, wherein a partition plate is arranged in the box body, a plasma generator is arranged on the left side of the partition plate, an ultraviolet UV light source chamber is arranged on the other side of the partition plate, vent holes are formed in two sides of the box body correspondingly, the vent holes are connected with the inlet exhaust fan and the outlet exhaust fan through an air inlet pipe and an air outlet pipe correspondingly, a gas flow regulator is arranged on the air inlet pipe, an alarm is arranged on the air outlet pipe, and the control system is arranged on the outer wall of the box body. According to the device, the exhaust fans are used for feeding ambient air containing microorganisms such as bacteria and germs into the low-temperature ultrahigh-pressure plasma generator through a filter screen, so that the microorganisms lose activity under the action of active groups of plasma, high-speed particle breakdown, ultraviolet rays and the like, meanwhile, conventional ultraviolet disinfection is assisted, the sterilization quality is further ensured, and the device has the characteristics of simple structure, convenience in operation, high safety and good disinfection sterilization effect.

The invention discloses a low-salt liquid state fermented soy sauce production process, comprising the following main processes: preparing koji in a koji-maker machine; mixing the wheat which is fried and smashed with koji, inoculating the mixture in soybean meal and bran which are cooked; preparing finished koji in a koji making disc machine; mixing the finished koji with brine, sending the mixture in a fermenting vat for fermentation; preparing the finished soy sauce through soaking, pouring oil, filtrating, mixing, sterilizing and filling to obtain the finished soy sauce. The soy sauce is characterized in that materials containing zygosaccharomyces Rouxii 2.180 accounting for 1.5-2.5% of the total weight of materials and torulopsis candida 2.202 accounting for 1.5-2.5% of the total weight of materials are added during the medium term of the fermentation process and the raw materials--soybean meal and bran are cooked by high temperature short-time continuous cooking process. Compared with the prior art, the raw material digestion rate can reach 88-90%, the protein utilization rate can reach 83%, the activity of neutral protease of the finished koji can reach 2000mu / g, the enzymesystem is complete, the defects such as long period of high-salt liquid state fermentation (180 days), burnt flavour and heavy bitter taste of low-salt solid state fermentation and the like are overcame and the produced soy sauce is characterized by strong soysauce-like aroma, alcohol-like aroma and ester-like aroma and the like.

The invention provides a slow-release air purification and disinfection integrated machine. The slow-release air purification and disinfection integrated machine comprises a machine body, the machinebody comprises a front housing with an air inlet and a rear housing connected with the front housing, and a purification and disinfection cavity is formed between the front housing and the rear housing; a purification and disinfection device is arranged in the purification and disinfection cavity; the purification and disinfection device comprises a filtration device and a slow-release solid chlorine dioxide disinfection device; the filtration device purifies air entering the purification and disinfection cavity; and the slow-release solid chlorine dioxide disinfection device slowly releases chlorine dioxide gas to disinfect the air entering the purification and disinfection cavity. According to the slow-release air purification and disinfection integrated machine, a solid chlorine dioxideslow-release technology is utilized to slowly release the chlorine dioxide gas continuously, the air is continuously and effectively sterilized and disinfected, secondary pollution caused by air filtration matter is avoided, and various harmful microorganisms and toxic substances are inactivated while the air is purified.

The invention relates to an edaravone sodium chloride injection liquid and a preparation method thereof. 100 ml of the injection liquid comprises 20-40 mg of edaravone, 0.6-1.0 g of sodium chloride, 100-150 mg of propylene glycol, 2.5-3.5 g of vitamin C, and 0.3-1.0 g of sodium hydrogen carbonate, wherein the pH is adjusted to 3.5-5.0. The preparation process of the injection liquid comprises thesteps: liquid preparation, filtration, filling, capping, sterilization and lamp inspection; liquid preparation adopts a two-step preparation method, and the preparation process adopts low temperaturepreparation. The adopted method is simple to operate and low in cost, and the prepared edaravone sodium chloride injection liquid has good drug stability and fewer side effects, can effectively reducethe generation of impurities, has high patient compliance with medication and safety, can be used for improving neurological symptoms, daily living activities and function disorder caused by acute cerebral infarction, and can effectively prevent and treat brain injury.

The invention discloses antibacterial liquid soap. The liquid soap is prepared from the following raw materials in parts by weight: 3-8 parts of dodecyl dimethyl betaine, 15-25 parts of soap base, 1-3 parts of alpha-phenylphenol, 15-20 parts of traditional Chinese medicine decoction with concentration of 2-2.5g / ml and 1-5 parts of scutellaria baicalensis extract. Compared with liquid soap in the prior art, the antibacterial liquid soap is safer to use, has better antibacterial, bacteriostatic and moistening effects, and cannot generate drug resistance on bacteria.

The invention discloses a sterilization and disinfection system of an exhaust pipe of a negative-pressure ambulance, and relates to the technical field of ambulance accessories. The system includes anexhaust connecting pipe, wherein the air inlet end of the exhaust connecting pipe communicates with the exhaust end of an exhaust fan in the negative-pressure ambulance, the air outlet end of the exhaust connecting pipe penetrates the front part of the tail gas-exhausting exhaust pipe of the negative-pressure ambulance, and extends to the outside. The exhaust connecting pipe which communicates with the exhaust fan in the negative-pressure ambulance extends into the exhaust pipe of the ambulance, and gas in the exhaust connecting pipe is treated through high temperature of 500-600 DEG C in theexhaust pipe of the negative-pressure ambulance; not only can the air in an infected area of the ambulance pass through a filter of the ambulance, but also the filtered air enters a high-temperatureenvironment again, so that infectious sources, bacteria, viruses and other substances in the air are killed, and the cleanliness of the exhausted gas is ensured.