39results about How to "Rapid sterilization" patented technology

The utility model discloses a medlar processing and sterilizing device which comprises a sterilizing water tank, a feeding end is arranged at the front end of the sterilizing water tank, a discharging end is arranged at the rear end of the sterilizing water tank, a vertical partition plate is arranged in the middle of the interior of the sterilizing water tank to divide the sterilizing water tank into a front water tank and a rear water tank, the front water tank is a high-temperature sterilizing water tank, and the rear water tank is a low-temperature cooling water tank. A driven gear is coaxially fixed to the lower end of the vertical shaft; a driving gear capable of being meshed with the driven gear is arranged on one side of the driven gear; a first motor is arranged below the driving gear, and the first motor is fixed to the mounting plate; the driving gear is coaxially fixed to an output shaft of the first motor, and a longitudinal horizontal guide rail is arranged at the upper end of the vertical shaft. The device disclosed by the utility model can be used for quickly carrying out secondary sterilization on microbial bacteria in the wolfberry puree, is high in sterilization efficiency and high in sterilization speed, and can be used for greatly prolonging the shelf life of the wolfberry puree.

The utility model discloses rapid sterilization equipment for prefabricated dish production, which comprises a sterilization equipment main body, a bending plate and a control panel, and further comprises a feeding device, a discharging device, a sterilization device, a control device, a control device and a control device, wherein the bending plate and the control panel are arranged on the outer wall of the sterilization equipment main body, and the control panel is arranged on the outer wall of the sterilization equipment main body; the inner wall is mounted on the sterilization equipment main body; the sterilization device is mounted on the outer wall of the bent plate; and the heat recovery device is mounted on the outer wall of the bent plate. The utility model relates to the technical field of food processing, according to the quick sterilization equipment for producing the prefabricated dishes, the feeding device is matched with the sterilization device to sterilize the processed prefabricated dishes, and a plurality of sterilization spaces arranged on the feeding device can intermittently sterilize the prefabricated dishes; in the process, other sterilization spaces cannot be affected by taking and placing the prefabricated dishes, the prefabricated dishes are convenient to take after being sterilized, rapid sterilization of the prefabricated dishes is achieved, and the production efficiency of the prefabricated dishes is improved.

The invention discloses temperature-sensitive antibacterial hydrogel based on ultra-small-particle-size copper nanoparticles and a preparation method of the temperature-sensitive antibacterial hydrogel, and relates to the technical field of biomedical materials. The preparation method of the temperature-sensitive antibacterial hydrogel comprises the step of uniformly mixing the gel matrix, the stabilizer, the pH buffer solution and the ultra-small-particle-size copper nanoparticles to prepare the temperature-sensitive antibacterial hydrogel. The preparation method of the copper nanoparticles with the ultra-small particle size comprises the following steps that lactoferrin is dissolved in water, copper sulfate pentahydrate is added, an alkali solution is added to adjust the pH of the solution to be 8-14, then a reducing agent is added for a reaction, dialysis and drying treatment are conducted, and the copper nanoparticles with the ultra-small particle size are obtained. The hydrogel has good injectability, can release the copper nanoparticles under specific conditions and rapidly sterilize, in addition, the hydrogel is convenient to synthesize and simple to operate, has good biocompatibility, shows relatively low cytotoxicity to cells, and has relatively great application potential in the process of treating skin wound infection.

The invention relates to the technical field of biological medicine, in particular to cyclic cationic polyamino acid and a preparation method and application thereof, and the cyclic cationic polyamino acid has a structure as shown in a formula I. The cyclic cationic polyamino acid provided by the invention shows a good in-vitro sterilization effect on gram-positive bacteria, gram-negative bacteria and methicillin-resistant staphylococcus aureus, has high selectivity, can quickly sterilize, and is not easy to induce the bacteria to generate drug resistance. The synthesized cyclic antibacterial polyamino acid can destroy the integrity of bacterial cell membranes through physical action, has rapid bactericidal kinetics, can kill 99% or more of bacteria within 30 minutes, and is not easy to induce the bacteria to generate drug resistance.

The invention relates to the technical field of intravascular stents, and discloses an implantation device for an intravascular stent, the implantation device comprises a box body, the box body is provided with a disinfection mechanism, and the disinfection mechanism comprises a rotating shaft, a knob, a placement disc, a fixing rod, a rotating cylinder and a UVC sterilization lamp; the rotating shaft penetrates through the back face of the box body through a bearing, the rotary knob is fixedly connected to one end of the rotating shaft, the outer wall of the rotating shaft is fixedly sleeved with the containing disc, the fixing rod is fixedly connected to the inner wall of the box body, the rotating cylinder is rotationally connected with the fixing rod through a bearing, and the number of the UVC sterilization lamps is two. And the two UVC germicidal lamps are symmetrically arranged on the inner wall of the rotary drum. By arranging the box body and the box cover, catheters can be stored, the situation that secondary infection is caused in the transportation process, and consequently the success rate of an operation is affected is avoided, the catheters in the box body can be rapidly sterilized and disinfected by arranging the UVC sterilization lamp, and therefore the success rate of intravascular stent implantation is increased.

The invention discloses a laundry detergent capable of rapidly sterilizing and killing mites and a preparation method thereof, and relates to the technical field of laundry detergents. Methyl sorbate and 5-hydroxytryptamine react to form an amido bond, hydrolytic stability and hard water resistance are enhanced, methyl sorbate and indole structures are introduced, and the effect of rapid sterilization is achieved; then reacting with butyl glycidyl ether to prolong the length of a hydrophobic chain, reduce interfacial tension and realize a degreasing effect; and then the modified antistatic agent is compounded, so that the overall solubilizing capacity is improved, and a strong decontamination effect is achieved. Wherein the modified antistatic agent is prepared by co-polymerizing dimethyl diallyl ammonium chloride, vinyl benzenesulfonic acid and acrylic acid-2-methoxyethyl ester; a quaternary ammonium salt structure is introduced, so that a conductive layer mainly based on water ionization can be formed, lone pair electrons can be generated, and the antistatic capacity of the clothes is improved; a sulfonic acid group is introduced, and is matched with an ethyoxyl chain of acrylic acid-2-methoxyethyl ester, so that the diffusion effect is enhanced, and the decontamination and antistatic effects are improved.

The invention relates to a food material sterilization device which comprises a mixing cavity, a gas injection cavity, a degassing cavity and an overflow assembly, the mixing cavity is provided with a material inlet, the gas injection cavity is provided with a body inlet, the gas injection cavity is arranged on the side of the mixing cavity, and the gas injection cavity and the mixing cavity are communicated through a gas injection hole; the degassing cavity is arranged below the mixing cavity, the degassing cavity and the mixing cavity are communicated through a material guide channel, the overflow assembly comprises a rotating shaft, a multi-layer overflow disc and a rotary driving device, the multi-layer overflow disc is connected to the rotating shaft, the multi-layer overflow disc sequentially receives falling food materials, and the rotary driving device is used for driving the rotating shaft to rotate. According to the food material sterilization device, the high-viscosity materials can be uniformly and rapidly heated, on the basis of not increasing the water content of the materials and not influencing the quality of the materials, the gas content of the materials is reduced, the quality of the materials is improved, and rapid sterilization of the high-viscosity food materials is achieved.

The utility model belongs to the technical field of ultraviolet sterilization, and particularly relates to a microphone base with an ultraviolet sterilization function, which comprises a support body, a microphone sterilization groove, a rotating mechanism and a deep ultraviolet light-emitting diode (LED) sterilization module. The rotating mechanism is arranged in the middle of the microphone sterilization tank, and the deep ultraviolet LED sterilization module is arranged at the bottom of the microphone sterilization tank. According to the utility model, the microphone is sterilized through the deep ultraviolet LED sterilization module, the driving gear drives the driven gear to rotate, and the microphone rotates along with the rotation of the driven gear, so that the surface and gaps of the microphone can be fully irradiated by ultraviolet rays, and compared with a fixed structure, the sterilization effect is better, no dead angle exists, and the sterilization effect is good. And the purpose of rapid sterilization can be achieved.

The invention belongs to the technical field of medical chemistry, and discloses a 5-O-carbon mould amine tylosin lactone derivative with a double-target combined antibacterial effect as well as a preparation method and application of the 5-O-carbon mould amine tylosin lactone derivative. The derivative is a compound as shown in a formula I, and pharmaceutically acceptable salt, eutectic, tautomer, polymorphic substance, solvate, prodrug or isotope labeled compound thereof. The compound can act on a bacterial ribosome 50S subunit and DNA topoisomerase IV at the same time, and shows an excellent antibacterial effect in an antibacterial activity test, and the minimum inhibitory concentration (MIC) reaches 0.0625 mu g / mL. The compound has the advantages of being high in antibacterial activity, wide in antibacterial spectrum and capable of achieving rapid sterilization, and a new choice is provided for developing drugs with antibacterial activity.

The utility model relates to a constant-temperature tableware disinfection cabinet, in particular to a constant-temperature tableware disinfection cabinet which performs disinfection through internal circulation constant-temperature hot air. The constant-temperature tableware disinfection cabinet comprises a disinfection inner container, the disinfection inner container is provided with an inner cavity forming a disinfection chamber, the disinfection inner container is provided with a hot air heating device and a temperature sensor, the hot air heating device and the temperature sensor are electrically connected with a control module, and the air inlet end and the air outlet end of the hot air heating device are communicated with the disinfection chamber. Air in the disinfection chamber enters the hot air heating device through the air inlet end and is heated to form hot air, the hot air is conveyed into the disinfection chamber through the air outlet end to achieve hot air internal circulation conveying of the disinfection chamber, and the control module controls the hot air heating device to conduct constant-temperature heating according to the temperature of the disinfection chamber. The disinfection cabinet can control the hot air heating device to perform constant-temperature heating according to the temperature of the disinfection chamber, so that the hot air temperature in the disinfection chamber is constant, the control is simple, no disinfection dead angle exists, the disinfection effect is good, the heater workload is low, the service life is prolonged, and the energy consumption is reduced.

The utility model provides a water quality regulation device with water disinfection, which relates to the technical field of water quality regulation and comprises a water quality regulation pool, a filter cartridge and a disinfection box are respectively arranged on the outer wall of the water quality regulation pool along the water flow direction, a water inlet pump is arranged at a water inlet of the filter cartridge, and a water outlet of the filter cartridge is connected with a water inlet of the disinfection box through a pipeline. A U-shaped insertion plate is mounted in the disinfection box, a water source sequentially passes through the filter cartridge and the disinfection box under the pumping action of the water inlet pump through the arrangement of the filter cartridge and the disinfection box, impurities in water are filtered and disinfected, then the water finally enters the water quality adjusting tank for water quality adjustment, and the filtered water enters the disinfection box and flows in the disinfection box; and rapid sterilization is realized through ultraviolet rays generated by the ultraviolet lamp tubes in the insertion frames.

The application relates to the technical field of medical devices, and provides a visual laryngoscope, which comprises a handle main body, a front end support connected to the distal end of the handle main body, a first expansion member and a second expansion member which are respectively hinged to the front end support and each comprise a support base body and a flexible buffer layer, a driving assembly arranged on the handle main body, and a transmission mechanism connecting the driving assembly and the two expansion members, wherein the transmission mechanism converts power into synchronous reverse deflection movements of the two expansion members around respective hinged shafts in response to the driving of the driving assembly to realize bidirectional expansion of a target cavity. The application realizes bidirectional flexible expansion of a pharyngeal cavity and noninvasive clear exposure of a glottis, and improves the success rate and safety of difficult airway intubation.

The invention discloses a preparation method of an AgNPS-(SBA-15) molecular sieve antibacterial material and an anti-deterioration treatment method of tobacco charging essence, and the preparation method of the AgNPS-(SBA-15) molecular sieve antibacterial material comprises the following steps: mixing 3-aminopropyltriethoxysilane and SBA-15 in a toluene solution, and placing in an oil bath for reflux stirring; performing suction filtration and washing; placing the filtered sample in a Soxhlet extractor, performing reflux extraction with dichloromethane, and performing vacuum drying to obtain pretreated SBA-15; dissolving silver nitrate in distilled water under the assistance of ultrasonic waves, and slowly dropwise adding ammonia water until a transparent solution is formed; and adding the pretreated SBA-15 molecular sieve, continuously stirring, adding stearic acid, stirring and dissolving, slowly adding a hydrazine hydrate solution into the solution, continuously reacting for 1 hour after dropwise adding, filtering, cleaning, and carrying out vacuum drying to obtain the AgNPS-(SBA-15) molecular sieve antibacterial material. The AgNPS-(SBA-15) molecular sieve antibacterial material provided by the invention can be used for quickly sterilizing the cigarette flavoring essence, so that the shelf life of the flavoring essence is prolonged, and the quality stability of the flavoring essence is improved.

The present invention relates to the technical field of sterilization systems, and in particular to an elevator handrail sterilization system, which includes an outer shell component, an elastic reset mechanism, a generator set, a generator control board, and an ultraviolet light source board; the generator control board and the ultraviolet light source board are respectively fixedly arranged on both sides of the elastic reset component; the generator set is embedded in the elastic reset mechanism, and the generator set is electrically connected to the generator control board through a wire; the generator control board is electrically connected to the ultraviolet light source board; the outer shell component cover is arranged on the outside of the elastic reset mechanism. The elevator handrail sterilization system can quickly sterilize the elevator handrail in real time while ensuring the stable operation of the elevator, thereby improving the safety of the elevator handrail.

The present invention discloses a small molecule antimicrobial peptide mimetic and application thereof. The small molecule antimicrobial peptide mimetic is based on a cysteine ​​skeleton structure and is obtained by chemically modifying an amino terminal, a carboxyl terminal, or a side chain thiol group. The general formula thereof is: The small molecule antimicrobial peptide mimetic of the present invention can cause cell membrane depolarization, destroy cell membrane integrity, quickly kill bacteria, inhibit biofilm formation, have certain biofilm removal activity, and are not prone to inducing bacterial resistance. It has good activity against Gram-positive bacteria and exhibits good antimicrobial activity against resistant bacteria such as MRSA and VRE. It can solve the current problem of lack of drugs against resistant bacteria, has the function of replacing or assisting current clinical antibiotics in treating infectious diseases caused by various resistant bacteria, can be used for the treatment of infectious diseases caused by sensitive bacteria and resistant bacteria, has high-efficiency antimicrobial activity, low toxicity, and is not affected by traditional resistance mechanisms.

The invention provides an antibacterial flexible patch and a sterilization method, and relates to the technical field of antibiosis, the antibacterial flexible patch comprises a hydrogel patch, a power supply and a controller, a plurality of through holes are formed in the hydrogel patch, the axial direction of the through holes is consistent with the thickness direction of the hydrogel patch, the through holes are filled with liquid metal, and the liquid metal is arranged in the hydrogel patch. The liquid metal is eutectic gallium indium alloy; the controller is electrically connected with the power supply; and the power supply is used for applying current to the liquid metal. When the antibacterial flexible patch provided by the invention is used, the controller is used for controlling the magnitude of current applied to the liquid metal by the power supply, so that the concentration of Ga < 3 + > released by the liquid metal is controlled, and rapid sterilization and rapid repair of tissues can be realized.

The invention relates to a preparation process of a mildew-proof antibacterial self-cleaning coating. The preparation method comprises the following steps: preparation of a waterborne polyurethane emulsion, synthesis of waterborne polyurethane (WPU-TNO) of TNO, preparation of an antibacterial mildew-proof fatting agent through esterification reaction, preparation of dendritic mesoporous silica, modification of the dendritic mesoporous silica by APTES, preparation of a silica-loaded nano-silver antibacterial agent, and preparation of nano TiO2 self-cleaning hydrosol. According to preparation of the silicon dioxide loaded nano-silver / TiO2 self-cleaning / WPU-TNO antibacterial coating, an emulsification method and a lipidation method are creatively combined, the prepared material shows a good self-cleaning function and excellent antibacterial and mildew-proof performance, and the silicon dioxide loaded nano-silver / TiO2 self-cleaning / WPU-TNO antibacterial coating has the advantages of being stable, environmentally friendly, biosafe, excellent in self-cleaning function, mildew-proof, antibacterial and the like.

The utility model belongs to the technical field of coconut juice production, particularly relates to a high-temperature sterilization kettle for coconut juice production, and aims to solve the drainage problem. A sterilization shell is fixedly connected to the upper surface of the supporting column; the upper surface of the sterilization shell is fixedly connected with a connecting rod; the upper surface of the connecting rod is fixedly connected with a water tank; the upper surface of the water tank is fixedly connected with a water adding pipe; a breather pipe is fixedly connected to the outer surface of one side of the water tank; the inner surface of the water tank is fixedly connected with a heater; a socket is fixedly connected to the outer surface of one side of the water tank; the inner surface of the sterilization shell is fixedly connected with a communicating pipe; and the lower surface of the sterilization shell is fixedly connected with an exhaust pipe. Through the arrangement of the exhaust pipe and the exhaust fan, the exhaust fan can discharge water vapor in the sterilization shell, the heating efficiency is improved, condensate water can be generated after heating, the exhaust pipe can discharge the condensate water, and therefore water accumulation in the sterilization shell is prevented.

The invention discloses a sterilization device for coconut drinks, which comprises a mixing and stirring box, a quantitative water distribution mechanism for providing clear water for the mixing and stirring box, a quantitative dosing mechanism for providing particles for the mixing and stirring box, a heating box and a steam generator for providing superheated steam for the heating box, a heated pipe which is bent in a reciprocating mode is further arranged in the heating box, the two ends of the heated pipe penetrate out of the heating box respectively, the mixing and stirring box is communicated with one end of the heated pipe through the second flow pump, the water filtering and discharging mechanism is communicated with the other end of the heated pipe, and the sterilizing device further comprises a controller. A water level sensor is further arranged in the mixing and stirring box, and the quantitative water distribution mechanism, the quantitative batching mechanism, the water level sensor and the second flow pump are all electrically connected with the controller. The device can be used for quickly sterilizing particles in a short time, so that the taste change of the particles is reduced, and the product quality of the coconut beverage is improved.

The utility model belongs to the technical field of fungus inoculation tools, and particularly discloses a fungus slant inoculation tool. The inoculation tool is used for solving the problems that spores cannot be collected thoroughly when being scraped by an existing inoculation tool, and the spores are easy to scatter. The fungus slant inoculation tool comprises a handle, a connecting rod and a scraping shovel, the front end of the handle is fixedly connected with the rear end of the connecting rod, and the front end of the connecting rod is connected with the middle position of the rear end of the scraping shovel; the scraping shovel comprises a shovel face and blocking pieces, the blocking pieces are arranged on the periphery of the shovel face, the front end of the shovel face is concaved inwards to be in a crescent shape, a gap is reserved between the blocking piece located on the front side of the shovel face and the front end edge of the shovel face, the vertical distance between the lower edge of the blocking piece located on the front side of the shovel face and the crescent shovel face is 1-2 mm, and the upper edges of the blocking pieces are flush with one another. According to the utility model, the crescent shovel surface is matched with the baffle plate positioned on the front side of the shovel surface, so that the spores on the inclined surface can be quickly scraped and collected, the spores are prevented from overflowing and scattering, and infectious microbe pollution and strain waste are reduced.

The utility model relates to the technical field of hot water system sterilization, and provides a double-heat-source hot water sterilization system which comprises heat sources, a water storage tank, a water supply pipeline and a water return pipeline. The heat source comprises an air energy heat pump and a water heater system which are arranged in parallel; the water supply pipeline is used for supplying hot water to the domestic water tail end, the water supply pipeline comprises a first water supply pipeline section and a second water supply pipeline section, and water heated by the heat source flows into the water storage tank through the first water supply pipeline section and is supplied to the domestic water tail end by the water storage tank through the second water supply pipeline section; the water return pipeline is used for enabling a part of water in the water storage tank and the water supply pipeline to flow back to the air energy heat pump to be heated and sterilized, and enabling the other part of water in the water storage tank and the water supply pipeline to flow back to the water heater system to be heated and sterilized. According to the embodiment of the invention, the heating sterilization efficiency of the hot water system can be improved.

The application discloses an antibacterial and antiviral agent, which comprises the following components in parts by weight: 100 parts of water, 0.04-0.1 parts of cetylpyridinium chloride, 0.2-0.6 parts of benzalkonium chloride, 0.1-0.3 parts of polyhexamethylene biguanide hydrochloride, 0.04-0.16 parts of phenoxyethanol, 0.5-5 parts of silica-supported metal silver nanoparticles, 0.4-1.0 parts of propylene glycol, 0.02-0.06 parts of glycerol and 0.02-0.06 parts of EDTA-2Na. The application further discloses a preparation method of the antibacterial and antiviral agent. The antibacterial and antiviral agent provided by the application can synergistically enhance the effect by compounding cetylpyridinium chloride, benzalkonium chloride, polyhexamethylene biguanide hydrochloride and silica-supported metal silver nanoparticles, reduces the active ingredients such as cetylpyridinium chloride and benzalkonium chloride, and maintains excellent bactericidal effect; and the combination of silica-supported metal silver nanoparticles with different particle sizes enables the sanitary wet wipe liquid to not only quickly kill bacteria but also kill bacteria for a long time, and effectively improves the bactericidal efficiency and bactericidal timeliness of the sanitary wet wipe liquid.

The utility model relates to the technical field of bean curd production, in particular to a fresh-keeping bean curd production system, which is characterized in that a tipping bucket machine is connected with a packaging machine through a conveying device, a belt conveyor is arranged at an outlet of the packaging machine, an output end of the belt conveyor is connected with a sterilization machine, the sterilization machine is connected with a cooling machine, and the cooling machine is connected with a turnover air dryer; a material receiving frame is arranged at an outlet of the overturning air dryer. In the fresh-keeping bean curd production system, bean curd can be primarily sterilized in saline water through the design of the tipping bucket machine, meanwhile, the sterilization effect is further enhanced through the ultraviolet sterilization device, and the sanitary quality of the bean curd is guaranteed. Due to the arrangement of the conveying device, the bean curd can be stably conveyed among the working procedures, and damage and pollution caused by manual carrying are avoided. By means of the packaging machine, automatic weighing and sealing of bean curds are achieved, packaging efficiency and packaging quality are improved, and labor cost is reduced. And the belt conveyor and the sterilization machine are matched, so that the bean curd can be quickly sterilized after being packaged, and the shelf life is further prolonged.

The utility model discloses a tracheostomy tube full-flow intelligent processor based on multi-mode sterilization, which comprises a casing, a soaking cabin, a boiling cabin and a drying cabin are sequentially arranged in the casing from top to bottom, a control panel and a power switch are arranged at the top of the casing, the soaking cabin is provided with a first cabin door and a first liquid inlet, and the boiling cabin is provided with a second cabin door and a second liquid inlet. A stirring device, a concentration sensor and an automatic liquid supplementing device are arranged in the soaking cabin, the boiling cabin is provided with a second cabin door and a second liquid inlet, a heating disc is arranged in the boiling cabin, one side of the boiling cabin is connected with a miniature vacuum pump, the drying cabin is provided with a third cabin door and a first liquid outlet, and a hot air nozzle is arranged in the drying cabin. The hot air nozzles are connected with an air blower located on one side of the drying cabin. The three-dimensional action mechanism of chemical decomposition, physical inactivation and mechanical stripping is constructed, the technical limitation of a traditional single sterilization mode is broken through, a three-cabin integrated structure is adopted, rapid sterilization can be achieved, and the cleaning efficiency of a tracheotomy sleeve cavity is greatly improved.

The present application relates to a kind of pyraclostrobin chlorothalonil water emulsion and its preparation method, it relates to the technical field of pesticide preparation, wherein, by mass percentage, the water emulsion includes pyraclostrobin 8-12%, chlorothalonil 16-24%, solvent 10-18%, composite surfactant 8-15%, photosynthesis promoter 2-6%, penetration spreader 3-8%, epichlorohydrin 1-3%, glycerol 3-6%, organic silicon defoaming agent 0.1-0.5%, the rest is water;The mass ratio of pyraclostrobin and chlorothalonil is 1:2.The present application realizes the rapid penetration of liquid medicine and the rapid dry of disease spot by accurate particle size control and formula system, simultaneously significantly enhances the photosynthesis of crops using photosynthesis promoter, realizes the dual effect of spot control and leaf, quality increase and yield increase while high-efficiency sterilization.

The present invention discloses a VHP sterilization pipeline structure and sterilization method, including a nitrogen pipeline, a first sterilization recovery pipeline, a vacuum pipeline, a second sterilization recovery pipeline, a vacuum breaking pipeline, a third sterilization recovery pipeline and a sterilization recovery main pipeline; one end of the nitrogen pipeline is connected to a nitrogen source through a first valve, and the other end is connected to the first port of the equipment in the isolator; one end of the first sterilization recovery pipeline is connected to the first valve, and the other end is connected to the sterilization recovery main pipeline through a first control valve; the vacuum pipeline includes a first vacuum pipeline and a second vacuum pipeline; the vacuum breaking pipeline includes a first vacuum breaking pipeline and a second vacuum breaking pipeline; one end of the third sterilization recovery pipeline is connected to the second valve, and the other end is connected to the second sterilization recovery pipeline; the second vacuum pipeline is equipped with a switching valve, and the second vacuum breaking pipeline is connected to the switching valve. The present invention achieves the purpose of sterilizing the internal pipeline system of the isolator without opening it through the cooperation of the above-mentioned devices.

The preparation method of the special cow house disinfectant for the dairy farm comprises the following steps: S01, adding excessive ammonia water into a zinc lactate solution, heating to 30-50 DEG C, stirring for 1.5-3.5 hours, slowly adding a mixture of ethanol and ethylene glycol, continuously stirring for 1-3 hours, cooling and filtering to obtain a precursor; s02, deionized water, a dispersing agent and a mixture of tartaric acid and lactic acid are added into the precursor, the pH value is adjusted, stirring is conducted for 0.5-2.5 h at the normal temperature, the pH value is adjusted to 6-8, and the cowshed disinfectant is prepared.

The invention discloses a preparation method of a CuNPS-(ZSM-5) molecular sieve antibacterial material and an anti-deterioration treatment method of tobacco charging essence, and the preparation method of the CuNPS-(ZSM-5) molecular sieve antibacterial material comprises the following steps: dispersing ZSM-5 in a toluene solution, adding a certain mass of n-octyltriethoxysilane, placing in an oil bath at 130-160 DEG C, and condensing and refluxing for 20-24 hours; carrying out suction filtration and toluene washing; performing vacuum drying to obtain pretreated ZSM-5; under magnetic stirring, slowly dissolving Arabic gum in distilled water, adding the pretreated ZSM-5 molecular sieve, stirring for 30 minutes, dropwise adding a copper sulfate solution, continuously stirring for 30 minutes, adding a hydrazine hydrate solution, continuously stirring for 1 hour, filtering, washing with 95% ethanol, and performing vacuum drying to obtain the CuNPS-(ZSM-5) molecular sieve antibacterial material. The CuNPS-(ZSM-5) molecular sieve antibacterial material provided by the invention can be used for quickly sterilizing the tobacco flavoring essence, so that the shelf life of the flavoring essence is prolonged, and the quality stability of the flavoring essence is improved.

The invention belongs to the technical field of medicines, and particularly relates to application of a myrtle ketone derivative in preparation of an antibacterial drug and the antibacterial drug. A novel myrtle ketone derivative is synthesized, the myrtle ketone derivative has inhibitory activity on gram-positive bacteria, and a compound 27 is the most effective DNA (deoxyribonucleic acid) gyrase and Topo IV inhibitor. Biological activity determination shows that the compound 27 not only has the advantage of rapid sterilization on methicillin-resistant staphylococcus aureus, but also has low toxicity, is not easy to induce bacterial drug resistance, and shows a synergistic effect with first-line antibacterial drugs such as ofloxacin, amikacin, cefpiramide and ceftazidime; this makes it a potential candidate for novel antibacterial agents.

The invention relates to a circulating water treatment agent containing dibromocyanoacetamide and a preparation method of the circulating water treatment agent, and belongs to the technical field of water treatment agents. A carboxymethyl cellulose grafted copolymer, polyaspartic acid and acrylic acid-2-acrylamide-2-methylpropanesulfonic acid-acrylic acid long-chain alkyl ester-allyl cyclodextrin copolymer have a synergistic effect, so that the circulating water treatment agent containing dibromocyanoacetamide is prepared; the circulating water treatment agent has excellent scale inhibition performance, the acrylic acid-2-acrylamide-2-methylpropanesulfonic acid-acrylic acid long-chain alkyl ester-allyl cyclodextrin copolymer can infiltrate and permeate into biological slime, the biological slime deposited on the surface of a pipeline is stripped and dispersed in circulating water, secondary aggregation is avoided, and the scale inhibition effect is good. Meanwhile, bacteria and algae killed by the antibacterial agent can be adsorbed, the situation that the killed bacteria and algae aggregate to form a large amount of biological slime to be deposited on the surface of the pipeline is avoided, and the sterilization efficiency is remarkably improved through the synergistic effect of the two antibacterial agents of dibromocyanoacetamide and isothiazolinone.