588 results about "Autoclave" patented technology

A vertical high-temperature coating autoclave, comprising an autoclave body (1), a heat recovery device (2), a driving assembly (3), a supporting frame (4) and a stirring assembly (5), wherein the heat recovery device (2) is used for absorbing the heat from high-temperature flue generated by a reaction in the autoclave body (1), the absorbed heat is used for heating cold water, and a high-temperature and high-pressure gas-liquid mixture is used to complete cleaning of the kettle body (1) and self-cleaning of the stirring assembly (5) in combination with the rotation and vibration of the stirring assembly (3), so as to clean up high-melting-point residues and dust; a wall-scraping stirring device (51) is used for scraping the dust in a non-stirring area, and to shake the dust off in combination with vibration; a spiral mixing device (52) is used for uniform stirring to make small agglomerates break apart under impact and agitation, and driving finished products to rotate downward, so as to achieve rapid discharge and prevent a bottom discharge port from being blocked; a stirring and flushing device (53) is used for integrated stirring, autorotation stirring and raw-material upturning; and the inner wall of the autoclave body (1) is scraped by using a scraper rod (531), so as to prevent raw materials from sticking to the inner wall of the autoclave body (1).

The invention relates to a textured KCu7S4 thermoelectric material and a preparation method thereof, and the method comprises the steps: sequentially adding a prepared KOH aqueous solution, CuCl2. 2H2O and Na2S. 9H2O into a high-pressure kettle, and fully stirring for dissolving; dropwise adding an N2H4.H2O aqueous solution into the mixed solution, fully stirring, sealing, transferring to a microwave chemical synthesis instrument, heating, keeping stirring, and reacting at a target temperature and self-generated pressure to generate a KCu7S4 nanowire preferentially growing along a [001] crystal orientation; and after the reaction is finished and natural cooling is carried out, a product is collected through centrifugation, full cleaning and vacuum drying are carried out, and then the KCu7S4 thermoelectric material with [001] preferred orientation in the direction perpendicular to the pressure direction is obtained through spark plasma sintering. According to the method, a surfactant and an organic solvent are not used, and macro, rapid, efficient and controllable preparation of the KCu7S4 nanowire is realized through a low-temperature, low-cost and low-energy-consumption microwave-assisted hydrothermal process.

The invention discloses a preparation method of CoWO (cobalt tungsten oxide) modified NbOp-n heterojunction NbO5 / CoWO photocatalyst powder. The preparation method comprises the following steps: dissolving cobalt salt and tungsten salt in deionized water, stirring and mixing, carrying out hydrothermal reaction in an autoclave, washing and drying to obtain CoWO powder; the preparation method comprises the following steps: dissolving niobium oxalate and ammonium carbonate in deionized water, adding CoWO powder, carrying out a hydrothermal reaction in an autoclave, and carrying out washing and drying treatment to prepare NbO / CoWO photocatalyst powder. According to the method, the hydrothermal reaction temperature is regulated and controlled, and the mass ratio of raw materials is optimized, so that the catalyst forms a p-n heterojunction structure of NbOmicron flower loaded CoWOnano particles. The prepared catalyst has high norfloxacin wastewater degradation efficiency under visible light irradiation, has the advantages of simple preparation process, low reagent cost, high catalytic activity and good structural stability, and can be effectively applied to purification treatment of antibiotic polluted water.

The invention provides a wide pH applicable multi-biomolecule detection MOF probe, a preparation method, a detection method and application, the probe is an MIL-53 (Fe) (at) AA (at) EZ probe, and comprises a metal organic framework MIL-53 (Fe), amino acid and enzyme; the preparation method comprises the following steps: weighing terephthalic acid and ferric chloride hexahydrate, adding into N, N-dimethylformamide, mixing and stirring, pouring the mixed solution into a stainless steel autoclave, heating and reacting, naturally cooling to room temperature, centrifugally separating a product, and washing with N, N-dimethylformamide and absolute ethyl alcohol to obtain the metal organic framework MIL-53 (Fe). The preparation method comprises the following steps: mixing a metal organic framework MIL-53 (Fe) with an amino acid solution, and carrying out ultrasonic treatment and stirring to obtain an MIL-53 (Fe) coated AA solution; the method comprises the following steps: dissolving enzyme in an MIL-53 (Fe) (at) AA solution, uniformly mixing, stirring, centrifugally separating a product, taking precipitate, and drying in vacuum to obtain the MIL-53 (Fe) (at) AA (at) EZ probe. The pH application range is wide, one-step detection can be achieved, and the method has the advantages of being rapid in reaction, high in sensitivity, low in detection limit and easy and convenient to operate.

The invention discloses a grid spring fluctuation load stress corrosion test device and method. The device comprises a high-pressure kettle; an environment control system; the loading system comprises a loading tester and a loading pair, and the loading pair is used for applying constant deformation and fluctuation load to the grillage spring; the loading tester controls the loading pair to move in the high-pressure kettle until the loading pair is in contact with the grillage spring; the contact point measuring system comprises a constant voltage source and a first signal acquisition device, constant voltage is applied to the grillwork spring and the loading pair through the constant voltage source, and the first signal acquisition device monitors current abrupt change and determines a loading starting point; according to the integrity measuring system, a constant current source provides stable direct current, a current reversing device switches the current direction at a preset frequency, and a second signal collecting device monitors changes of electric signals at the two ends of the grillwork spring in real time and determines the complete state of the grillwork spring. According to the invention, accurate identification of the loading starting point of the grillage spring and real-time monitoring of the integrity state in the high-pressure environment are realized.

The invention relates to the technical field of autoclave sampling, in particular to an accurate sampling device for an autoclave. The reaction kettle body is provided with a sampling structure for sealing and sampling an internally processed object; the sampling structure comprises an assembly shell for integrally fixing the reaction kettle body, and a pressure equalizing unit and a sampling unit which are connected with the reaction kettle body are arranged in the assembly shell; in the sampling process of the reaction kettle body, the internal air pressure is discharged to the sampling unit, and the internal pressure of the reaction kettle body and the atmospheric pressure are kept in a balanced state through the sampling unit. According to the invention, the pressure equalizing unit is matched with the sampling unit, so that the internal air pressure of the reaction kettle is balanced with the atmospheric pressure before sampling, and sample splashing or leakage caused by pressure difference is prevented; after sampling, the inside of the reaction kettle can be recovered to a normal processing pressure state, the subsequent processing flow is not influenced, and the continuity and stability of the reaction process are ensured.

The invention discloses a foamed polyphenyl ether bead and a preparation method thereof. The material is prepared by compounding polyphenyl ether, a styrene polymer, a three-dimensional fiber microsphere reinforcement, a CNTs coated SiO2 core-shell nucleating agent, modified resin, a flame retardant and an antioxidant according to a specific ratio. The innovation of the invention lies in that a three-dimensional reinforcement with glass beads as a core and carbon fibers as a network and a composite foaming agent with silicon dioxide coated with carbon nanotubes are introduced to synergistically improve the cellular structure and mechanical properties. The preparation process comprises the key steps of component drying, melt blending granulation, carbon dioxide physical foaming under an autoclave aqueous dispersion system and the like. Through component design and surface modification, the foamed bead has the advantages of light weight, high strength, flame retardance and uniform foam structure, and is suitable for the fields of high-end heat insulation and bearing.

The invention belongs to the field of composite materials, and relates to a preparation method of a modified composite material with uniformly dispersed high-content aluminum alloy particles, which comprises the following steps: mixing 20-50wt% of aluminum alloy particles and epoxy resin according to a certain proportion to obtain a mixture, and combining the mixture with carbon fibers to obtain a prepreg; paving a plurality of layers of prepregs on the forming mold, and sealing a bag to obtain a cured and formed sample piece; the sample piece is put into vibration equipment to be heated and cured, the curing temperature ranges from 75 DEG C to 85 DEG C, and heat preservation is conducted within 60 min; putting the sample piece into an autoclave, heating to 110-130 DEG C, pressurizing to 0.5 MPa or above, keeping the temperature for 90 minutes or above, and cooling to obtain a cured and molded modified composite material; and vacuumizing is kept during both the heating period and the cooling period. According to the invention, through a composite curing method of first vibration and then high pressure, the problems of particle aggregation and overhigh porosity in the high-content aluminum alloy particle modified composite material can be smoothly solved.

The present disclosure relates to a prefabricated block composed of Autoclaved Aerated Concrete (AAC), widely used in civil construction, offering mechanical improvements such as heat resistance, increased pull-out strength, sound absorption, and reduced mass, as well as ease of installation. The invention comprises a rigid self-supporting block (1), made up of two AAC panels (2), two reinforcing glass fiber meshes (3), with said panels (2) enclosing an expanded polystyrene (EPS) core (4), and a micro-concrete layer (C) applied around the entire perimeter of the block (1). In an alternative embodiment, the AAC may be replaced by foamed cellular concrete.

The invention discloses an autoclave forming method which comprises the following steps: dividing a component into a stress sensitive area and a conventional area through finite element simulation analysis on the basis of geometrical characteristics of a three-dimensional model of the component to be formed, establishing a thermal-mechanical coupling finite element analysis model of each area, and presetting a differential temperature-pressure-time process curve; secondly, a distributed optical fiber sensor is arranged in the composite material prefabricated body, a micro pressure sensor array is arranged at the key position of the surface of the mold, and the distributed optical fiber sensor and the micro pressure sensor are both connected with a central control system; then, performing differential pressure and temperature control on each area by adopting closed-loop control in sequence; and finally, the central control system collects sensor data in real time, judges whether the forming process is abnormal or not through a defect recognition algorithm, automatically starts a grading early warning mechanism when detecting that the forming process is abnormal, and executes a self-adaptive adjustment strategy, including inter-region cooperative pressure compensation, so as to eliminate forming defects.

The invention relates to the technical field of temperature control, in particular to a temperature control method for an autoclave and a feedback system. The method comprises the following steps: acquiring temperature data of different hot-pressing material products in different hot-pressing stages; according to the change characteristics of the temperature data of different areas of each hot-pressing material product in the same hot-pressing stage, the change factor of each hot-pressing material product in each hot-pressing stage is obtained; determining a corresponding discrete condition coefficient by combining the variation trend of the variation factors of the same hot-pressing material product in the adjacent hot-pressing stages and the similarity between the hot-pressing parameter data and the standard parameter data; according to the overall difference between the discrete condition coefficients of each hot-pressing material product and other types of hot-pressing material products in all the hot-pressing stages, the temperature data prediction weight of each hot-pressing material product is obtained; and hot-pressing parameters of different hot-pressing stages are adjusted by using the temperature data prediction weight. The surface temperature uniformity of a hot-pressing material product in the hot-pressing process is guaranteed.

The application discloses an experimental device and experimental method for submarine pipeline stress corrosion in a gaseous hydrogen environment, which comprises a high-pressure kettle body arranged on a support, a flange kettle cover arranged on the high-pressure kettle body, NaCl solution arranged in the high-pressure kettle body, a rod-shaped sample arranged in the NaCl solution, a tension sensor arranged on a rack, an upper stretching rod connected with the tension sensor, a servo motor arranged on the rack, an electric cylinder connected with the servo motor, and a lower stretching rod connected with a piston rod of the electric cylinder. The application has the characteristics that hydrogen-induced material damage and seawater corrosion damage are connected together, and reliable data basis is provided for the selection of materials for manufacturing submarine hydrogen pipelines.

The utility model discloses an auxiliary sterilization device in a high-pressure sterilizer, relates to the technical field of medical treatment, and solves the technical problems that a sterilization cavity in an existing vertical high-pressure sterilizer is deep, sterilization articles are not easy to place in place or are not easy to take out, and great potential safety hazards are brought to operators. Comprising a sterilizer shell, a disinfection basket, an auxiliary springback structure and a clamp, the disinfection basket is arranged in the sterilizer shell, the auxiliary springback structure is installed on the inner wall of the sterilizer shell, the top of the auxiliary springback structure is fixed to the clamp, the clamping end of the clamp is connected with the disinfection basket, and when objects are placed in and taken out of the disinfection basket, the auxiliary springback structure is fixed to the clamp. Vertical movement is realized through an auxiliary rebound structure; according to the utility model, the effect of automatically adjusting the height along with the load change is realized, the problem of inconvenience in taking and placing caused by the too deep high-pressure sterilization cavity is avoided, the operation of personnel is facilitated, and the risk of medical waste infection is reduced.

The invention discloses a biopharmaceutical high-pressure sterilization device, and belongs to the field of sterilization devices.The biopharmaceutical high-pressure sterilization device comprises a sterilization tank, the top of the sterilization tank is sleeved with a sealing cover, a water adding valve is arranged at the bottom of the outer surface of the sterilization tank, a water inlet funnel is arranged at the top of the water adding valve, and a third servo motor is fixedly connected to the bottom of the sterilization tank; the output end of the third servo motor is fixedly connected with a threaded rod, and the middle of the bottom in the sterilization tank is fixedly connected with a fixed shaft. A plurality of groups of material containing screen frames can synchronously rotate and rotate for a period of time, and a first servo motor rotates reversely to drive the material containing screen frames to rotate reversely, so that the material containing screen frames irregularly rotate forwards and backwards back and forth in the sterilization tank, medicines in the material containing screen frames irregularly move, and the positions of the medicines are continuously changed; therefore, medicine sterilization is more thorough, the situation that medicine cannot be thoroughly sterilized due to long-time standing is avoided, medicine components are prevented from being damaged by residual bacteria, and economic losses are reduced.

The invention relates to the technical field of composite material continuous forming, in particular to a continuous forming method suitable for a prepreg composite material structural member, and the method comprises the following steps: according to the layering design requirement, a prepreg coiled material is unfolded and layered; heating and mould pressing are carried out on the laid prepreg, so that the prepreg is preformed; the pre-formed prepreg sequentially passes through at least two heating and pressurizing areas with the temperature and the pressure capable of being independently regulated and controlled to be cured; the cured prepreg is subjected to post-curing in a mold at the temperature of 150 DEG C to 170 DEG C and the pressure of 0 MPa to 3 MPa; and pulling the post-cured product to move forwards in a stepping motion mode to obtain the prepreg composite material structural member. The continuous production of the prepreg from laying, preforming and curing to finished products is realized, the size limitation of the traditional autoclave is broken through, and the integrated forming of the super-long structural member becomes possible.

This invention provides a method for preparing a dual-photoresponsive anti-counterfeiting ink, specifically comprising: (1) mixing a carbon source with a nitrogen source, a modifier, and a solvent, and ultrasonically reacting the mixture for a period of time to obtain a carbon quantum dot precursor liquid; (2) pouring the carbon quantum dot precursor liquid obtained in step (1) into a tetrafluoroethylene liner of a stainless steel high-temperature and high-pressure autoclave, placing the autoclave in a forced-air drying oven, and reacting at high temperature for a period of time to obtain carbon quantum dot ink. The preparation method of this invention is simple; a carbon quantum dot ink with two photoresponsive effects can be prepared in a single solvothermal step, simplifying the preparation process and facilitating application. The handwriting written with the prepared dual-photoresponsive anti-counterfeiting ink emits strong green fluorescence under 365nm ultraviolet light irradiation, and the handwriting can be clearly displayed under 980nm infrared light, providing dual encryption and improving the anti-counterfeiting performance of the material.

The invention discloses an Ag-Bi2WO6 heterojunction photocatalyst as well as a preparation method and application thereof, and belongs to the technical field of photocatalytic materials. The preparation method comprises the following steps: adding Na2WO4. 2H2O, Bi (NO3) 3.5 H2O and CTAB (Cetyltrimethyl Ammonium Bromide) into deionized water, violently stirring, uniformly dispersing, putting into a high-pressure kettle, and carrying out hydrothermal reaction to obtain Bi2WO6; the preparation method comprises the following steps: slowly pouring an ethanol solution of AgNO3 into an ethanol solution of Bi2WO6, heating and stirring, slowly dropwise adding n-butylamine, continuously heating and stirring, cooling, washing, and carrying out vacuum drying to obtain Ag-Bi2WO6. Compared with an existing photocatalyst, the Ag-Bi2WO6 heterojunction has good stability and responsivity to CO2, a strong built-in electric field at the heterojunction interface can accelerate separation and transfer of carriers and enhance adsorption and activation of CO2, and therefore the activity of photocatalytic reduction of CO2 is improved.

AI based Portable Hybrid Autoclave for Lab

This invention discloses a NiAlEu-LDHs photocatalyst, its preparation method, and its application in catalytic CO2 synthesis of syngas, belonging to the field of catalyst preparation technology. The NiAlEu-LDHs photocatalyst is a europium-doped layered double hydroxide prepared by a hydrothermal reaction using nickel, aluminum, and europium sources, possessing a multi-level nanoflower-like structure assembled from nanosheets. The preparation method includes the following steps: a one-step hydrothermal method is used to dissolve the nickel, aluminum, and europium sources, along with urea and ammonium fluoride, in deionized water; the solution is then transferred to a polytetrafluoroethylene-lined autoclave for hydrothermal reaction. This invention introduces europium through a one-step hydrothermal method, constructing a europium-doped nanoflower-like NiAlEu-LDHs photocatalyst. In production applications, this invention's preparation method is simple and novel, with low synthesis cost, easy mass production, and significant application value.

The application discloses an electrode material with phase transition caused by different ion doping, and is implemented according to the following steps: (NH4)2SO4, (NH4)2S2O8, MnSO4 and Al 3+ Compound or Ce 3+ Compound or Ag + Compound or Co 2+ Compound; the weighed (NH4)2SO4, (NH4)2S2O8 and MnSO4 are dissolved in deionized water and uniformly stirred to obtain a mixed solution A; the weighed Al 3+ Compound or Ce 3+ Compound or Ag + Compound or Co 2+ Compound is added into the mixed solution A and uniformly stirred to obtain a mixed solution B; the mixed solution B is transferred into a stainless steel autoclave with a polytetrafluoroethylene liner, and is reacted at 140 DEG C to 200 DEG C for 8h to 12h; the stainless steel autoclave is naturally cooled to room temperature, the precipitate is washed with deionized water for multiple times, and then is centrifuged and dried to obtain a manganese-based material with different ion doping.

The utility model relates to the technical field of arsenic-containing waste residue treatment, and discloses a device based on carbon dioxide capture and arsenic-containing waste residue treatment, which comprises a dissolution reactor and a high-pressure kettle, an alkali recovery reactor is connected between the dissolution reactor and the high-pressure kettle, the dissolution reactor comprises a first box body, and a feed hopper is arranged at the left part of the first box body; a crushing mechanism and a rolling mechanism are arranged at the right part of the feeding hopper, a dosing device is arranged at the top of the first box body, a stirrer and a waste residue separator are arranged at the lower part of the lower part of the dosing device, the alkali recovery reactor comprises a second box body, and a water inlet pipe is arranged at the upper position of the left part of the second box body; an air inlet pipe used for being connected with a carbon dioxide air tank is arranged at the upper position of the right portion of the second box body, and the left end and the right end of the sealing cavity in the second box body are communicated with the water inlet pipe and the air inlet pipe respectively. The arsenic-containing waste residue recycling device can effectively crush arsenic-containing waste residues, effectively recycle the arsenic-containing waste residues and carbon dioxide, save time and labor and play a positive role in environmental protection.

The invention discloses a uranium separation and extraction method for hydrocarbon-containing sandstone uranium ore. According to the main technical scheme, a rock sample is pretreated to obtain a mixed ore sample, the mixed ore sample is loaded into a high-pressure column, a high-pressure kettle and a gas cylinder are prepared, an HCO3 <-> leaching solution is prepared in the high-pressure kettle, and the gas cylinder is filled with CO2 and O2 mixed gas; a gas cylinder, a high-pressure kettle and a high-pressure column are connected in series, and a uranium separation and extraction and petroleum hydrocarbon removal test device is constructed; introducing mixed gas into the high-pressure kettle by using a gas cylinder, and setting the gas pressure in the high-pressure kettle; starting the test device, injecting the HCO3 <-> leaching solution into the high-pressure column under the power provided by the gas pressure in the high-pressure kettle, starting to perform uranium separation and extraction on the mixed ore sample, and simultaneously removing hydrocarbon substances in the mixed ore sample. Uranium in the hydrocarbon-containing sandstone uranium ore is separated and extracted through CO2 + O2 + HCO3-synergistic leaching and pressure regulation and control, hydrocarbon substances are removed at the same time, interference of accumulation of the hydrocarbon substances on uranium separation and extraction is reduced, ore permeability is improved, and the problem of uranium leaching in the hydrocarbon-containing sandstone uranium ore is solved.

The application provides a steam treatment system of an autoclave, which comprises a control device, a white smoke elimination device, a first pipeline connected between the white smoke elimination device and a drainage outlet of the autoclave, a cold water tank connected with the white smoke elimination device through a second pipeline, a water storage pool connected with the white smoke elimination device through a third pipeline, and a fourth pipeline connected between a steam outlet of the autoclave and the white smoke elimination device; a stop valve and a temperature acquisition device are installed on the first pipeline; a stop valve, a flow meter, a temperature acquisition device and a pressure acquisition device are installed on the second pipeline; and a stop valve, an adjusting valve, a temperature acquisition device and a pressure acquisition device are installed on the fourth pipeline. The application further provides an autoclave steam treatment method based on the system, in which waste water, waste steam and waste heat generated in autoclave steam curing are recycled through twice heat exchange, fuel consumption is saved, and the purpose of energy saving and emission reduction is achieved.

A cementitious binder composition for a concrete, grout or mortar, comprising: (A) At least 5.0 wt.%, preferably at least 10.0 wt.% but lower than 70.0 wt.%, preferably lower than 60.0 wt.% of a Supplementary Cementitious Material; (B) At least 0.5 wt.%, preferably at least 2.0 wt.%, more preferably at least 10.0 wt.% but lower than 50.0 wt.%, preferably lower than 35.0 wt.% of a comminuted Autoclave Aerated Concrete (AAC), wherein said comminuted Autoclave Aerated Concrete has a D50 value of at most 30 µm, preferably at most 15 µm wherein; and (C) At least 5.0 wt.%, preferably at least 10.0 wt.% but less than 90.0 wt.%, preferably less than 75.0 wt.% of a cement.

The invention belongs to the technical field of hydrogenation modification of low-rank coal, and particularly relates to a method for coal blending coking through non-catalytic hydrogenation modification tackifying of low-rank coal. In order to solve the problems that the low-rank coal mixing hydrogenation process is complex, a catalyst is difficult to recycle and the like, the method comprises the following steps: weighing low-rank coal and a hydrogen-donor solvent according to different mass proportions, carrying out hydrogenation reaction according to different reaction temperatures, reaction pressures and reaction time of an autoclave, firstly, fully stirring and uniformly mixing the materials in the autoclave, and then carrying out heating reaction; and after the autoclave is cooled, directly carrying out suction filtration separation on the reaction mixture to obtain a solid product which is the modified coal with a certain caking index.

The invention relates to a preparation method of 4, 4 '-bis (3-aminophenoxy) biphenyl, and relates to the technical field of organic synthesis. The method comprises the following steps: adding m-fluoronitrobenzene, potassium carbonate, biphenol and a mixed solvent into a water separation device for reaction; after the reaction is finished, filtering, carrying out reduced pressure distillation, adding an ethanol solution of toluene, pulping and filtering; adding pure water into the filter cake for pulping, thermally filtering and drying to obtain an intermediate 1; adding the intermediate 1, a hydrogenation catalyst, a phase transfer catalyst and tetrahydrofuran into an autoclave for reaction, filtering, performing rotary evaporation on filtrate, adding methanol for pulping, filtering and drying to obtain 4, 4 '-bis (3-aminophenoxy) biphenyl; the phase transfer catalyst is prepared from allyl trimethyl ammonium chloride, 4-vinylbenzene-15-crown ether-5, isopropanol, azodiisobutyronitrile and an ethylene boron anhydride pyridine complex; the yield and the purity of the 4, 4 '-bis (3-aminophenoxy) biphenyl can be remarkably improved, and the method is suitable for industrial production.

The present application relates to autoclaved aerated concrete plate technical field, specifically to high toughness AAC plate with heavy metal solidification function and a preparation method thereof. The present application makes full use of the silicon dioxide in fluorite tailings, copper tailings and spodumene tailings as siliceous material, uses cement, quicklime and other alkaline materials as calcareous material, adds appropriate amount of aluminum powder paste and other gas forming agents as pore forming agent, appropriate amount of coagulation regulator, appropriate amount of nano Y type molecular sieve and high efficiency toughening agent, and through steam curing (temperature < 200 DEG C), the autoclave is discharged, and a kind of high toughness AAC plate with heavy metal solidification function is prepared.

The utility model provides a multi-point reconfigurable mold structure, which comprises a mold base, an adjusting assembly and a mold profile, is hollow in structure, high in heat dissipation performance and not easy to deform in an autoclave, reduces precision errors caused by deformation of the mold profile, and has excellent and practical actual effects. The contact between the mold and the base is point contact, compared with a traditional autoclave mold, the contact surface is reduced, the contact area between the mold surface and air is increased, and the heat transfer efficiency is high. Compared with a multi-point forming mold, the number of rod pieces is reduced, mold profile bases are far in interval and large in gap, a turbulent flow layer is not prone to being generated, and the mold profile is prevented from being deformed due to large temperature difference.

The present invention is directed to a reusable plastic container for sharps and cutting waste with an inner container of recycled disposable cardboard, in which a generator of medical waste can dispose of its sharps and cutting waste in a reusable plastic container, inside which is housed a second disposable cardboard container; in such a way that both containers can be sterilized in a pressurized steam autoclave and that the plastic container is reusable again and the inner cardboard container only allows a single use being disposable.