298 results about "Steam sterilization" patented technology

The invention provides a preparation method of a stable-size and high-strength laminated timber, which comprises the following steps of: mixing boric acid and choline chloride, and heating and melting at 90 DEG C to form a uniform, stable and transparent liquid, so as to obtain a deep eutectic solvent DES; the preparation method comprises the following steps: under the vacuum degree of-0.1 MPa, dipping wood veneers in DES, performing high-temperature steam sterilization treatment under the condition of 121 DEG C, assembling the veneers subjected to multi-layer treatment according to a rift-grain mode, and performing hot pressing at 160 DEG C to obtain the laminated timber with stable size and high strength. The prepared laminated timber has dimensional stability and good mechanical properties, has structural applicability of direct contact with a moisture environment, and has the advantages of mildew resistance, corrosion resistance, flame retardance and the like.

The invention relates to a steam sterilization method and system for a reusable medical instrument. The method comprises the following steps: collecting at least two temperature values of a sterilization chamber of sterilization equipment and at least two pressure values of steam pressure of the sterilization chamber; calculating the at least two temperature values and the at least two pressure values based on a preset risk prediction model, and determining a temperature uniformity safety margin and a temperature fluctuation margin; and determining an alarm threshold value based on a temperature uniformity reference threshold value of a temperature uniformity safety margin and / or a sterilization temperature fluctuation threshold value of a temperature fluctuation margin, the alarm threshold value being close to the temperature uniformity reference threshold value or the sterilization temperature fluctuation threshold value, so that the sterilization equipment is debugged before a fault occurs. According to the invention, maintenance personnel can be timely notified to carry out debugging before the sterilization equipment has a real fault, the influence of temperature on hardware equipment of the sterilization equipment is reduced, the service life is prolonged, and the stability of the sterilization effect can be timely maintained through debugging.

The utility model provides a high-temperature steam sterilization one-piece tank, and relates to the field of medical waste treatment. The problems that an existing medical waste treatment device is high in energy consumption, low in efficiency, complex in operation and large in influence on the environment are solved. The high-temperature steam sterilization conjoined tank comprises a sterilization tank; the steam generating device is arranged below the sterilization tank and is communicated with the sterilization tank; the transfer tank is arranged above the sterilization tank and is communicated with the sterilization tank; the feeding tank is arranged above the transfer tank and is communicated with the transfer tank; a mounting plate is arranged on one side of the transfer tank, a mounting hole communicated with the interior of the transfer tank is formed in the mounting plate, one end of a crushing cutter penetrates through the mounting hole to be arranged in the transfer tank, and the other end of the crushing cutter is fixedly connected with the mounting plate. According to the scheme of the utility model, the rapid treatment of the medical wastes is realized, the treatment efficiency of the medical wastes is improved, and meanwhile, the device has the advantages of small volume, low energy consumption, simplicity in operation and no pollution.

The application discloses a surface treatment process of an antistatic and low-fuzz surgical drape, and relates to the field of layered products.The treatment process comprises the following steps: S1, using a dielectric barrier discharge plasma to treat the surgical drape; S2, using a padding method or a spraying method to apply an antistatic agent solution; S3, uniformly spraying an end-capping agent solution on the surface of the drape treated in the step S2; and S4, steam sterilization, and obtaining the antistatic and low-fuzz surgical drape after cooling.The low-melting-point polymer is compounded with the water-soluble end-capping agent, and combined with high-pressure steam sterilization, so that the polymer can migrate to the end along the capillary effect of the fiber surface after contacting the surface of the drape, and the auxiliary film-forming agent can be instantaneously swelled when meeting water vapor, the polymer can be guided to wrap the fiber end breaking point, and the polymer can be solidified to form a microspherical mechanical lock after cooling.The physical wrapping mechanism of the application can more completely control the falling of the fuzz, so that the risk of foreign body reaction or infection of a surgical incision caused by the falling of the fuzz can be further reduced.

The invention discloses a fermentation humidifying culture device for biological colony synthesis, and relates to the technical field of fermentation humidifying culture devices.The fermentation humidifying culture device comprises a first box body, a water storage tank is installed at the top of the first box body, a heating box is installed at the top of the water storage tank, and a third water passing pipe is installed at the output end of the front face of the water storage tank; and a second electromagnetic valve is installed at the output end of the third water passing pipe, a water pump is installed at the top of the first box body, and a fourth water passing pipe is installed at the output end of the water pump. Water can be heated and sterilized through the heating box, so that the situation that bacteria in water pollute bacterial colonies and affect growth of target bacterial colonies when external water enters the first box body for humidification can be avoided, and fan blades are driven by a motor to rotate to convey air in the first box body into the heating box for steam sterilization; and meanwhile, water vapor in the heating box can enter the first box body, sterilization of the inner wall and the plate body of the first box body is achieved, and pollution of infectious microbes to normal bacterial colonies is reduced.

The utility model discloses a sterilization device for milk powder packaging tin cover production. Comprising a sterilization box, a milk powder packaging tin cover containing box rotationally arranged in the sterilization box through a motor and provided with a hollowed-out bottom, and a blocking vibration mechanism arranged in the sterilization box in a liftable mode through an electric push rod and capable of blocking the bottom of the milk powder packaging tin cover containing box. The water spraying flushing mechanism is fixedly arranged at the top of the sterilization box and used for flushing sundries on the milk powder packaging tin cover, and the ultraviolet sterilization mechanism is fixedly arranged on the sterilization box and used for conducting primary sterilization on the milk powder packaging tin cover. The steam sterilization mechanism is fixedly arranged on the sterilization box and used for conducting supplementary sterilization on the milk powder packaging tin cover, and the sterile hot air mechanism is fixedly arranged on the sterilization box and used for conducting air drying on the milk powder packaging tin cover. According to the utility model, the milk powder packaging tin cover is flushed firstly, and then the ultraviolet sterilization mechanism and the steam sterilization mechanism are utilized to perform double sterilization on the milk powder packaging tin cover, so that the sterilization effect of the milk powder packaging tin cover sterilization device can be effectively improved.

The present application relates to the technical field of agricultural product processing machinery, and discloses a layered and unfolded bearing device for high-temperature steam sterilization of organic white melon seeds, which comprises a device main body connected with a high-temperature steam supply device, and a plurality of layered bearing and conveying assemblies horizontally arranged in the device main body, the layered bearing and conveying assemblies being staggered in the vertical direction, and the discharge end of a preceding layered bearing and conveying assembly being located above the feeding end of a subsequent layered bearing and conveying assembly; the bearing and conveying assembly is provided with a gas-permeable bearing member, the gas-permeable bearing member is provided with steam-permeable holes, and the cross section of the gas-permeable bearing member is in a continuous undulating structure; and a dispersion assembly is arranged between the discharge end of the bearing and conveying assembly and the feeding end of the subsequent layered bearing and conveying assembly, and is used for dispersing the white melon seed materials falling between the layers. The present application ensures that the front and back surfaces of each white melon seed can be uniformly heated by high-temperature steam in the multi-layered and alternating conveying, eliminates the dead angle of material accumulation, and solves the problem of uneven heating caused by single-sided continuous heating.

The application belongs to the technical field of fabric disinfection and discloses a fabric disinfection and sterilization device for medical garment production, which comprises a steam box and further comprises: a steam sterilization and killing mechanism, which rotates in the steam box; and a guide mechanism, which rotates in the steam box and rotates reversely with the steam sterilization and killing mechanism. In the application, the steam can flatten the fabric by overturning the adjusting assembly in the process of opening the adjusting assembly in the second through groove by pressure and overturning the adjusting assembly into a vertical shape. In this process, the second overturning plate is limited in the second groove while overturning with the first overturning plate, and the second overturning plate also slides in the first overturning plate, so that the holes on the surfaces of the first overturning plate and the second overturning plate gradually coincide from staggered, part of the steam is discharged to both sides through the first overturning plate and the second overturning plate, and the fabric is further flattened.

This invention discloses a fermentation process and application of wheat germ, belonging to the field of feed additive technology. The fermentation process includes the following steps: mixing Bacillus coagulans powder (accession number CGMCC No. 1.17145), Lactobacillus salivarius powder (accession number CCTCC NO: M 2022848), and steam-sterilized and cooled wheat germ; performing solid-state fermentation in a sealed environment; and then sterilizing with ozone after fermentation to obtain fermented wheat germ. This invention produces highly nutritious fermented wheat germ through simple steps. This fermented wheat germ can be used as a feed additive for laying hens, improving their production performance.

The utility model relates to the technical field of sterilization cabinets, and discloses a sealing structure and a pure steam sterilization cabinet thereof, the sealing structure comprises a side door, one side of the side door is fixedly connected with a sealing plate, and the outer wall surface of the sealing plate is provided with a rubber sealing gasket; clamping plates are fixedly mounted at the top end and the bottom end, on one side of the sealing plate, of the side door, and a blocking plate is further arranged on one side of the sealing plate; the limiting assembly comprises a lifting plate and a plurality of rectangular plates, and a driving unit is arranged on one side of each rectangular plate; and the clamping assembly comprises a lifting box and a lifting block, and a lifting unit is arranged in a cavity of the lifting box. One side of the side door is fixedly connected with the sealing plate, the rubber sealing gasket is arranged on the outer wall surface of the sealing plate to play a sealing role, in order to avoid air leakage caused by movement of the side door in the working process, the limiting assembly and the clamping assembly are arranged to tightly fix the side door and the cabinet body, and then the sealing performance and the sealing effect of the device are effectively improved.

This application provides a steam sterilization device, comprising: a shell, the shell including an outer cylinder and an inner cylinder, the outer cylinder and the inner cylinder forming a first chamber, the interior of the inner cylinder forming a second chamber, the second chamber for containing objects to be sterilized, the shell being configured as a pressure-resistant container capable of withstanding at least 0.4 MPa; a steam supply section including a pressure regulating valve connected to the first chamber; an inner cylinder steam supply valve disposed in an inner-outer cylinder connecting pipe connecting the first chamber and the second chamber; a vacuum pump connected to the second chamber; and a controller configured to, during the step of replacing the air in the second chamber with steam, after adjusting the air pressure in the first chamber to at least 0.4 MPa, open the inner-outer cylinder connecting pipe to introduce steam from the first chamber into the second chamber. By enabling the shell to withstand at least 0.4 MPa of air pressure, the pressure difference between the outer cylinder and the inner cylinder is increased, shortening the time for the air inside the inner cylinder to be replaced with saturated steam, thereby improving the performance and efficiency of the steam sterilization device.

The invention discloses sterile cold filling and online sterilization integrated production equipment for beverages, and relates to the technical field of sterile cold filling, the sterile cold filling and online sterilization integrated production equipment comprises an integrated machine body, the integrated machine body is provided with a conveying belt body used for conveying filling containers, and the integrated machine body is further fixedly provided with a beverage storage tank used for storing filling beverages; a discharging port of the beverage storage tank is provided with a discharging pipe, a sterile cold filling mechanism used for beverage cold filling is arranged below the discharging pipe, the integrated machine body is further provided with an online sterilization mechanism used for conducting steam sterilization on the sterile cold filling mechanism, and a filling positioning mechanism used for limiting movement of a filling container on the conveying belt body is further arranged above the conveying belt body. During use, the conversion push rod and the conversion rotating rod are arranged to drive the material guide wheel to rotate and reverse, and after the filling push rod is reset, the filling piston excessively retracts to expose the steam sterilization opening, so that precise switching between a material passage and a sterilization passage is realized, communication between steam and the beverage storage tank as well as the discharging pipe is cut off structurally, and materials are prevented from being polluted by the steam.

A test device for monitoring sterilization using a steam sterilant in a chamber is provided. The test device includes a test stack. The test stack includes an entrance layer including an entrance hole. The test stack further includes a sensor layer spaced apart from the entrance layer. The sensor layer includes a pair of electrodes disposed on the sensor layer. The test stack further includes a sensor coating disposed on a portion of the sensor layer and including an electrically active polymer. The test stack further includes a channel layer disposed between the entrance layer and the sensor layer. The channel layer includes an internal channel. The internal channel is configured to allow a flow of steam sterilant from the entrance hole to the sensor coating.

The invention discloses a high-temperature steam sterilization method for large-caliber aluminum two-piece can canned food. High-temperature steam is adopted for sterilization, and the sterilization process comprises a stepped heating process, a constant-pressure and constant-temperature sterilization process and a stepped depressurization and cooling process. The stepped heating, depressurization and cooling process comprises a plurality of different heating and cooling stages, and the pressure in the kettle needs to be adjusted according to the temperatures of different stages to control the pressure difference between the inside and the outside of the can. Compared with the prior art, the problems that large-caliber (1068 and 1070 can types) aluminum two-piece can canned food is flat in the sterilization process, and the can cover and the can bottom have convex corners can be thoroughly solved.

The application belongs to the technical field of plant disease prevention and treatment, and relates to a determination method for visually and rapidly evaluating the effect of pesticides on inhibition of soil-borne pathogen infection on crop root systems. Agar powder is added to deionized water and boiled until dissolved, sterilized by high-pressure steam and cooled to 60-65 DEG C to obtain an agar culture medium, and the agar culture medium is poured into a culture dish and continuously cooled to solidification. A double-layer filter paper is laid on the solidified culture medium, pre-germinated seeds are placed above the filter paper and cultivated until the root system expands. After the root system of the seedling expands, the pathogen is inoculated and pesticide liquid is applied; and the activity of the pesticide on the pathogen is evaluated. The advantages of the application are that rapid inoculation can be realized, symptoms can be observed in real time, nematodes can be rapidly inoculated and dyed, pesticides can be applied at different stages before, during and after pathogen infection, and the protective and therapeutic activities of the pesticide can be rapidly evaluated. The application greatly facilitates the related research on pathogen or nematode infection, and provides a rapid and efficient method for evaluating the activity of the pesticide on the soil-borne pathogen.

The application relates to the technical field of edible fungus inoculation, and discloses an edible fungus inoculation device, which comprises an inoculation box, the two sides of the inoculation box are fixedly installed with side horizontal plates away from each other, the bottom of each side horizontal plate is fixedly installed with a lifting oil cylinder, the movable end of each lifting oil cylinder is fixedly installed with a top cover, and the bottom of each top cover is fixedly installed with a sealing plug. The edible fungus inoculation device is provided with a steam sterilization assembly on the top of the top cover; before inoculation is carried out in a culture bottle, high-temperature steam is generated by using a steam generator and is transmitted into the steam pipe through a main pipe, the high-temperature steam is transmitted into the culture bottle for high-temperature sterilization, then culture ingredients are put into the culture bottle, and then the fungus is inoculated into the culture bottle, so that the inoculation is completed; the culture bottle does not need to be moved, and the problem that, after the culture container is sterilized, the culture container is in contact with the external environment during the moving process into the incubator, so that the pollution rate is increased is solved.

The invention provides a nerve soothing and mind stabilizing pill and a preparation method thereof, and belongs to the technical field of traditional Chinese medicine preparations. The preparation method comprises the following steps: cleaning, infiltrating, cutting, drying, performing high-pressure steam sterilization on genuine medicinal materials such as poria cocos, poria with hostwood, ginseng, polygala tenuifolia, rhizoma acori graminei and the like in a formula of the mind-tranquilizing and mind-tranquilizing pill, mixing and crushing at low temperature to obtain fine powder, adding refined honey to prepare pills, and finally coating with cinnabar powder to obtain the mind-tranquilizing and mind-tranquilizing pill. The contents of polygala-ketone III, 3, 6 '-dimustard acyl sucrose, ginsenoside Rb1, beta-asarone, dehydrotumoic acid, pachymic acid and calcium salt in the prepared nerve-soothing and mind-stabilizing pill are high, the loss of index components in the pelleting process is small, and the dissolution time limit and microbial limit of the pill meet the requirements of Chinese Pharmacopoeia of 2025 edition. The preparation process of the mind-tranquilizing and mind-stabilizing pill is stable, and the prepared mind-tranquilizing and mind-stabilizing pill can effectively improve cognitive impairment, inflammation and oxidative stress injury caused by insomnia.

The utility model discloses a cooking sterilization device for eel processing, and particularly relates to the technical field of eel processing equipment.The cooking sterilization device comprises a cooking box and a plurality of trays, a plurality of cooking cavities are formed in the cooking box from top to bottom, a steam generating cavity is formed in the bottom of the cooking box, and sliding groove blocks are fixedly installed on the left side wall and the right side wall of each cooking cavity; sliding grooves are formed in the middles of the sliding groove blocks, sliding blocks are fixedly installed at the left end and the right end of the tray correspondingly, and a plurality of air holes are formed in the bottom of the tray. According to the cooking sterilization device for eel processing, the vibration assembly is arranged, in the cooking process, a miniature vibrator works, a movable plate is driven to vibrate left and right, and a sliding block is extruded under the action of the elastic force of a spring, so that the tray is driven to move left and right through the sliding block, and eels are cooked in the cooking sterilization device in the process of moving left and right in the tray. Therefore, the situation that the eel skin adheres to the tray, and the cooking quality of the eel is affected is avoided.

The invention relates to the technical field of tea leaf processing, in particular to a combined sterilization method for tea leaves and application of the combined sterilization method. The invention provides a combined sterilization method of tea leaves. The combined sterilization method comprises the following steps: firstly, carrying out heat sterilization on the tea leaves and then carrying out cold sterilization on the tea leaves, the thermal sterilization method comprises hot air sterilization and / or steam sterilization, and the cold sterilization method comprises high-voltage pulse electric field sterilization. Detection results show that the bacterial colony killing rate and the mould killing rate in the tea leaves can reach 90% or above by adopting the combined sterilization method. In addition, sterilization modes can be flexibly selected for killing different microorganisms according to the types of tea leaves and the requirement for the number of the microorganisms.

The utility model provides a food making high-temperature sterilization device which comprises a steam sterilization box, a support is arranged below the steam sterilization box, a belt conveyor passing through the lower portion of the steam sterilization box is arranged on the support, and guide shafts which are vertically and evenly distributed in the circumferential direction are arranged on the periphery of the belt conveyor. The guide shaft is arranged in an axial sliding mode, one end of the guide shaft is fixedly connected with a tray located outside the belt conveyor, an inlet and outlet communicated with the inner cavity is formed in the bottom of the steam sterilization box, and a lifting rod located below the inlet and outlet and used in cooperation with the guide shaft is arranged in the belt conveyor. According to the utility model, the belt conveyor, the lifting rod, the guide shaft and the inlet / outlet are arranged, and the belt conveyor operates to cooperate with the lifting action of the lifting rod, so that a plurality of trays carried on the periphery of the belt conveyor can be pushed to and taken away from the inlet / outlet in turn, and the prefabricated vegetables placed on the trays can enter and leave the steam sterilization box more quickly; the high-temperature sterilization treatment efficiency of the batch prefabricated vegetables is improved.

The utility model provides a brewing workshop electric steam generating device which comprises a steam generator, a steam distributing pocket, a steam sampling device and a sampling steam branch pipe, a water inlet is installed on the steam generator, the steam distributing pocket is connected with the output end of the steam generator, and the steam distributing pocket is connected with the steam sampling device through the sampling steam branch pipe. According to the electric steam generating device for the brewing workshop, the manual valve is arranged between the steam sampling device and the steam distributing pocket, so that a sampling steam branch pipe is independently used, the use of produced steam is not influenced, and sanitation inspection sampling steam sterilization of a laboratory can be guaranteed during a production stop period; meanwhile, condensate enters the main body shell through the water inlet pipe to cool the steam pipe, and the condensate also cools the sampling box when passing through the bracket, so that the situation that the steam is not sufficiently cooled in the steam pipe is prevented, and the cooling speed is also increased.

The application relates to a feedback device for a steam sterilization and maturation equipment, and belongs to the technical field of feed processing equipment. The device comprises a temperature measuring mechanism, a material containing mechanism, a conversion mechanism and a control mechanism. The temperature measuring mechanism is arranged in a sterilization and maturation tank and is used for detecting the temperature of feed. The material containing mechanism is arranged below the sterilization and maturation tank and is used for receiving the feed in the sterilization and maturation tank. The conversion mechanism is arranged below the outlet of the sterilization and maturation tank and above the material containing mechanism and the input end of a conveying mechanism. The conversion mechanism is used for selectively connecting the outlet of the sterilization and maturation tank with the material containing mechanism or the input end of the conveying mechanism. The control mechanism is electrically connected with the sterilization and maturation tank, the temperature measuring mechanism and the conversion mechanism. The application can solve the problem of excessively high maturation degree of feed after sterilization and maturation.

The application discloses a kind of medical instrument sterilization packaging equipment, comprising: the device shell for medical instrument to carry out high-pressure steam sterilization operation, the lower film assembly is detachably installed in the device shell by pulling support, the device shell inside is also provided with upper film assembly for mutually cooperating packaging medical instrument with lower film assembly;Water storage tank is arranged at the bottom of device shell, the heating element is arranged at the bottom side of water storage tank;Film packaging structure is located above upper film assembly, for compressing and connecting the film of upper film assembly and the film of lower film assembly and carrying out heat sealing operation;Steam drive structure is arranged in the device shell, for driving film packaging structure to operate by steam to compress the film of upper film assembly and the film of lower film assembly.The application can implement high-pressure steam sterilization operation to medical instrument in the device shell, and simultaneously, utilize steam drive structure to control film packaging structure to operate synchronously to complete the packaging of medical instrument.

The invention relates to the technical field of traditional Chinese medicinal material extraction, and discloses traditional Chinese medicinal material extract pressure steam sterilization equipment which comprises a tank body, a feeding port is formed in the top of the tank body, a hydraulic motor is fixedly connected to the top of the tank body, a discharging pipe is fixedly connected to the bottom of the tank body, and a steam pipe penetrates through the tank body. The stirring mechanism is arranged in the tank body and extends into the tank body, and a mixing mechanism is arranged in the tank body; the mixing mechanism comprises a vertical shaft, a sliding sleeve and a first sliding groove, the first stirring rod rotates and moves up and down in a reciprocating mode, steam is evenly introduced into the tank body and makes full contact with a coptis chinensis extracting solution, high-temperature sterilization is conducted, the sterilization effect of the steam on the coptis chinensis extracting solution is improved, and the practicability is high. A coptis chinensis extracting solution in the tank body continuously flows through the rotation of the first stirring rod, the contact uniformity of steam and the coptis chinensis extracting solution is further improved, and sediments on the inner wall of the tank body can be scraped by a scraping plate and are prevented from influencing the sterilization effect and the equipment performance.

The utility model discloses microwave sterilization equipment which comprises an equipment support, a motor, an extrusion pipe and two steam pumps, an extrusion screw used for conveying materials is rotationally connected in the extrusion pipe, and the extrusion screw is fixedly connected to an output shaft of the motor through a coupler. A steam mechanism used for steam sterilization is arranged at the tail end of the extrusion pipe, the steam mechanism comprises a steam pipe fixed to the tail end of the extrusion pipe, an air channel used for air flowing is formed in the steam pipe, and the two steam pumps communicate with the air channel through air inlet pipes; the efficient and uniform steam sterilization effect is achieved through the steam mechanism, a steam pump in the steam mechanism conveys steam to a steam pipe, the steam is sprayed out from a plurality of air outlets and makes contact with materials in all directions, it is ensured that all parts of the materials are evenly heated, microorganisms are effectively killed, and microwaves generated by a microwave generator in the sterilization mechanism penetrate into the materials for sterilization; the inactivation effect on the heat-resistant spores is greatly improved.

The utility model relates to the technical field of food sterilization and purification equipment, and discloses a high-pressure steam sterilization pot which comprises a sterilization pot body, the top of the sterilization pot body is connected with a pot cover through a locking mechanism, a containing cylinder is arranged in the sterilization pot body, and through air holes are formed in the outer surfaces of the bottom and the middle of the containing cylinder; a supporting frame is arranged on one side of the inner wall of the containing cylinder and comprises a longitudinal sliding way, and a plurality of positioning sliding ways are arranged on one side of the longitudinal sliding way and arranged in an up-down array mode. According to the high-pressure steam sterilization pot, the slide blocks slide in the longitudinal slide ways, so that the slide blocks drive the trays to move to a specified height, and the positioning slide ways support the trays through the slide blocks and fix the positions of the trays, so that the distance between the two trays can be conveniently adjusted according to the size of food; a plurality of trays can be installed according to the number of food, the utilization area of the trays is large, and the effect that large food can be placed according to the size of the trays is achieved.

This invention belongs to the technical field of traditional Chinese medicine extraction equipment, specifically relating to an automated sterilization process for the entire pipeline of traditional Chinese veterinary medicine extraction. This application modifies the entire pipeline of traditional Chinese veterinary medicine extraction to meet the requirements of high-temperature and high-pressure steam sterilization. Before the extraction of traditional Chinese veterinary medicine, high-temperature and high-pressure steam is used to sterilize the entire pipeline. Then, the extraction temperature in the extraction tank is controlled to ensure the sterilization of the extract, thereby ensuring that the final oral liquid meets the sterilization requirements. This saves on the terminal sterilization process and allows for direct filling with non-high-temperature resistant packaging, greatly saving manufacturing costs.

The invention relates to the technical field of sterilization pipelines, in particular to a steam sterilization pipeline and an operation method thereof.The steam sterilization pipeline comprises a first steam conveying pipe fixedly installed in a sterilization cleaning machine and used for conveying steam; the second steam conveying pipe is fixedly connected with the first steam conveying pipe, and the first steam conveying pipe conveys steam into the second steam conveying pipe; the steam injection assemblies are symmetrically mounted on the second steam conveying pipe and are used for injecting steam into the sterilization cleaning machine; the invention further relates to an installation and operation method of the steam sterilization pipeline. The installation and operation method comprises the following steps: step 1, installation of the second steam conveying pipe; 2, positioning the steam jet; step 3, sealing the steam injection pipe; and 4, fixing and rotating the steam jet.

The invention belongs to the technical field of polymeric membrane materials, and particularly relates to a high-pressure steam sterilization resistant ultrafiltration membrane and a preparation method thereof. The ultrafiltration membrane provided by the invention is prepared from the following raw materials in percentage by mass: 16 to 22 percent of polyether sulfone, 1 to 8 percent of polyethylene glycol, 0.5 to 10 percent of polyvinylpyrrolidone, 0.5 to 2 percent of chitosan, 0 to 15 percent of additive and the balance of solvent. By using the raw material formula and combining a specific spinning process and a specific post-treatment process, the microstructure of the prepared ultrafiltration membrane silk is modified, residues of an organic solvent are greatly reduced through cortex interception and reduction of increase of spongy pores, and the ultrafiltration membrane has the advantages of simple preparation process and low cost. The secondary dissolution of the organic solvent on the membrane filaments during high-temperature steam sterilization and the micropore collapse and expansion caused by the secondary dissolution are avoided.

The invention discloses a Chinese patent medicine processing steam sterilization device, which comprises a box body, a steam generator, a placing box and a hollow net disc, the output end of the steam generator is communicated with an output pipe, the top end of the output pipe is provided with an electric control valve I, and one end, far away from the steam generator, of the output pipe is communicated with an external pipe; a vacuumizing pump is fixedly installed at the top of the box body, the input end of the vacuumizing pump communicates with an extraction pipe, and a second electric control valve is installed in the extraction pipe; the arrangement of the placing box facilitates the laying of multiple layers of hollow net discs and medicine raw materials in the placing box, facilitates the carrying of operators, and also can improve the steam sterilization efficiency, airflow is butted with a Venturi taper pipe through a heat-resistant rubber taper ring, is guided in through a through hole and then is guided out from the inner side of the placing box, so that the steam is uniformly limited on the inner side of the placing box, and the steam sterilization efficiency is improved. Uniform sterilization can be conveniently carried out in cooperation with medicines, and the use efficiency and convenience are improved.