14results about How to "Long holding time" patented technology

The utility model relates to the technical field of food processing machinery, in particular to a bowl-steamed uncongealed beancurd machine which comprises a box body, a front box door is hinged and fixed to the opening side of the box body, a water storage tank is arranged at the bottom in an inner cavity of the box body, an electric heating module is installed in the water storage tank, a supporting bottom frame is placed in the electric heating module, and the supporting bottom frame is connected with the box body. Two sets of supporting strips are symmetrically formed on the inner wall of the box body, each set of supporting strips are arranged at equal intervals, and a plurality of containing layer plates which are sequentially placed on the supporting bottom frame and the supporting strips are placed in the box body. The uncongealed beancurd machine has the beneficial effects that the fetching box door is arranged on the front box door, so that when steamed uncongealed beancurd is taken out, only the small window is opened, the loss of heat in the machine is reduced, and the heat preservation time is prolonged; the placing laminates for placing the uncongealed beancurd bowls are designed in a split mode, the size of a single laminate is reduced, the idle placing laminates can be directly taken out when the uncongealed beancurd bowls are taken out, taking out of other uncongealed beancurd bowls is not affected, and use is convenient.

The application discloses an integrated negative pressure adsorption colon enema catheter and belongs to the technical field of medical devices.The catheter body is internally provided with a main channel and a negative pressure channel which are parallel to each other and axially penetrate through.The main channel and the negative pressure channel are independent of each other and are not communicated with each other.A plurality of side holes which are communicated with the main channel are arranged on the distal end tube wall of the catheter body.An integrated longitudinal adsorption ridge is arranged on the outer wall of the catheter body in an axial direction and is spaced apart from each other.The side of the longitudinal adsorption ridge which is away from the center of the catheter body is provided with a central recessed area.The bottom surface of the central recessed area is axially provided with a plurality of negative pressure holes which are communicated with the negative pressure channel.A sponge core is embedded in the central recessed area.The technical scheme provided by the application can provide a colon deep enema catheter system which has strong adsorption force, good sealing performance, firm component anti-dropping performance, full non-invasive performance and safe withdrawal performance.

The application relates to the cable technical field, in particular to a cable used in a low-temperature environment, which comprises a center cable, a plurality of integrated cables arranged around the center cable, and a plurality of restraining members, the number of the restraining members is the same as that of the integrated cables, the length direction of two adjacent integrated cables is limited by one restraining member, and the plurality of restraining members limit the plurality of integrated cables to be an integral annular layer in the annular direction. After accepting the external temperature, the aluminum foil film of the capsule-shaped space is rapidly heated, at which time the aluminum foil film melts the paraffin particles in the interior, so that the paraffin particles are melted, the paraffin has excellent heat preservation effect as a heat accumulator, can better preserve the temperature, so that the outer sheath can be kept at a suitable temperature, which is beneficial to protecting the outer sheath used in the low-temperature environment and can improve the service life of the outer sheath, and then the outer sheath can reversely preserve the temperature of the external adjusting sleeve, increase the temperature preservation time of the external adjusting sleeve, and reduce the frequency of external heat supply.

The invention discloses a high-strength plant cellulose-based composite paperboard and a preparation method thereof, belongs to the technical field of paperboard materials, and aims to solve the technical problem that the strength and wet strength retention rate of a plant fiber-based composite paperboard in the prior art need to be further improved. The composite plant fiber layer is composed of a plant fiber layer and interface layers arranged on the two sides of the plant fiber layer in a modifying mode. A plant fiber layer is prepared through CMC modified plant cellulose, a PEG modified inorganic reinforcing agent and a bio-based toughening agent reinforced plant fiber, a composite structure of an interface layer, a fiber layer and an interface layer is formed by arranging a double-interface layer containing lignin nano particles / carboxylated nano cellulose, and a hot-pressing curing process is combined, so that the lignin / carboxylated nano cellulose composite fiber is prepared. The strength and toughness of the plant fiber-based composite paperboard are effectively improved, and the wet strength retention rate of the material is also effectively improved.

The invention provides a PET thermos bottle which is of a double-layer hollow PET bottle structure, aerogel is arranged in the double-layer hollow structure to serve as a heat insulation layer, the hollow structure is vacuumized to be semi-vacuum, the aerogel layer is tightly clamped by the inner bottle wall and the outer bottle wall, the aerogel is not loosened, and the better heat preservation effect is achieved. According to the invention, the double-layer PET and the aerogel are combined, so that the thermos bottle is very light and low in price; the heat preservation time of cold drinks or hot drinks is longer, and the heat preservation effect is better than that of a stainless steel thermos bottle; and the bottle body is light, so that the carrying capacity is more.

The invention relates to the technical field of plastic mold injection molding intelligent control, in particular to a plastic mold injection molding intelligent control method and system, and the method comprises the following steps: obtaining parameter information in an injection molding production process; monitoring the parameter information, and identifying continuous one-way drift or abnormal fluctuation in the parameter information; based on the parameter information and the continuous one-way drifting or abnormal fluctuation, judging the source of the continuous one-way drifting or abnormal fluctuation; and according to the judgment result, a control strategy of the production process is adjusted, and when the source is physical wear of the mold, the injection speed and the injection pressure are reduced, and the pressure maintaining pressure is increased or the pressure maintaining time is prolonged. Parameter abnormity caused by physical abrasion of the mold in the injection molding production process can be effectively recognized, the control strategy is adjusted in a targeted mode, the service life of the mold is effectively prolonged, the product percent of pass is increased, and the production cost is reduced.

This invention belongs to the field of alloy forming technology and discloses a 2GPa-grade hydrogen embrittlement-resistant hot-formed steel containing NbVTiMo composite precipitates, its preparation method, and its applications. Through the synergistic proportioning of Nb, V, Ti, and Mo quaternary microalloys, a NbVTiMo composite nano-precipitate with high thermal stability and good interfacial bonding is formed. Compared with traditional single / low-element microalloy precipitates, this composite precipitate can act as a highly efficient hydrogen trap, significantly improving the hydrogen atom capture ability, effectively inhibiting hydrogen enrichment at grain boundaries and defects, improving the hydrogen embrittlement resistance of hot-formed steel, and reducing the risk of hydrogen-induced cracking and delayed fracture. Simultaneously, extending the coiling holding time promotes the full nucleation and dispersed distribution of the precipitates; shortening the austenitizing holding time avoids excessive dissolution and coarsening of the precipitates, maintaining the nanoscale of the precipitates, and achieving a fine and dense distribution of the precipitates, thus balancing hydrogen embrittlement resistance with the strength and toughness of the steel.

The application discloses a heat treatment process of low-alloy steel castings, and the heat treatment process of the low-alloy steel castings controls the chemical element content of the low-alloy steel castings reasonably, so that the strength of the steel castings is higher; the heating temperature in the heat treatment process is appropriately increased, and the holding time is prolonged, so that the structure transformation of the steel is sufficient, and the mechanical performance and the impact toughness are effectively improved. The heat treatment process adopts a process flow of preheating + normalizing + tempering + quenching + annealing, and compared with a traditional heat treatment process, the heat treatment process has the advantages that the grains are further refined and uniform, the grain size is maximally increased, and good structure conditions are prepared for subsequent heat treatment.

The application discloses a kind of heating and heat preservation logistics vehicle battery structure and its assembly method, comprising: battery module, the battery module is made of several battery, and electrically connected between battery, characterized in that, heating layer is provided on the battery module, isolation layer and at least three heat preservation layers;Isolation layer is used to balance the heat in battery module, and reduces heat diffusion;Heating layer is used to provide heat for battery module;Heat preservation layer is used to heat preservation for battery module, prolongs heat preservation time.Through three heat preservation layer design, can greatly improve heat preservation effect, prolong heat preservation time, the isolation layer being provided in battery module, can isolate each battery between, effectively prevent heat spread and heat diffusion between adjacent battery, improve heat preservation time.

This invention provides a post-thyroid ablation ice pack fixation and care belt, comprising an elastic fixation belt with matching connectors at both ends along its length. The two ends of the fixation belt are designed to connect via the connectors to form an adjustable neck-accommodating area. The side of the fixation belt facing the neck-accommodating area is the body side. A placement bag is located on the body side of the fixation belt. The placement bag has a waterproof inner layer and a skin-friendly outer layer arranged sequentially from the inside to the outside. Windows facing the inside of the placement bag are provided on the side of the placement bag away from the neck-accommodating area and on the fixation belt. This post-thyroid ablation ice pack fixation and care belt allows the ice pack to be placed inside the placement bag and worn around the patient's neck via the fixation belt, accurately positioning the wound, preventing ice pack displacement, and eliminating the need for patients to hold the ice pack for extended periods, thus improving patient comfort.

This invention discloses a paper-plastic-aluminum insulated container based on multi-layer composite barrier and its preparation method. The insulated container includes a container body and a container lid connected to the container body through a concave-convex interlocking sealing structure. The container body has raised platforms on its edge and includes an inner layer, a heat-reflective layer, a fluffy layer, and an outer layer distributed from the inside out. The inner layer is a food-grade contact material layer, including food-grade PP, food-grade PE, or PP / PE composite material. The fluffy layer is made of food-grade paper or a material with the same properties. The heat-reflective layer is an aluminum foil layer or a material with strong heat reflection effect. The outer layer is a PP plastic protective layer. The fluffy layer forms a large number of closed air chambers, further blocking heat conduction and heat convection. The outer layer is a PP layer or micro-foamed PP or a PP hollow structure to form an additional heat barrier. Under the synergistic effect of the multi-layer structure, the heat preservation time is extended, improving the overall experience of takeout or delivery users and the shelf life of food factories.

The invention provides a double-container water tank heat exchange structure and a production process. The double-container water tank heat exchange structure comprises an outer container, an inner container is arranged in the outer container, a heat conduction oil conveying assembly is connected to the outer container, a fixing pipe penetrating through the inner container and a second fixing ring is rotationally connected to the outer container, and a heat insulation disc is fixedly connected to the fixing pipe. Through cooperative action of core components such as the fixing pipe, the heat insulation disc and the air bag ring, heat insulation subareas are constructed or removed in the space of the single container according to needs, so that the single container can be intelligently and seamlessly switched between two modes of high-efficiency quick-heating small water amount and uniform heating large capacity; the most fatal problems that when only a small amount of water in the upper container is heated, a large amount of cold water in the lower container rapidly absorbs heat of the upper container through a middle partition plate, so that the instant heating function is similarly virtualized, the water outlet temperature is sharply reduced within several seconds, the user experience is extremely poor, and the energy utilization rate is low are solved.

The utility model provides a high-pressure internal throttling bidirectional hydraulic lock, and belongs to the technical field of control valves. The problems that in the prior art, a hydraulic valve is difficult to assemble, and impurities enter a sliding fit clearance are solved. The double-one-way valve comprises a valve body, a connector body, valve elements and a plunger, a double-one-way valve cavity with two through sides is formed in the valve body, the plunger is installed in the center of the double-one-way valve cavity, the number of the valve elements is two, the valve elements are symmetrically installed in the double-one-way valve cavity on the two sides of the plunger, and sealing steps are installed on the inner sides of the valve elements. The sealing step is installed between the plunger and the valve element and connected with the plunger and the valve element in a sealed mode, a spring cavity is formed in the valve element, a spring assembly is installed in the spring cavity, the connector body is installed in a double-one-way valve cavity on the outer side of the valve element, a spring groove is formed in the end face of the inner side of the plug body, and the spring assembly is connected with the end face of the spring groove. The utility model has the advantages of fewer parts, high stability, uniform pressure and strong sealing performance.

The invention relates to the technical field of special vehicle power batteries, and particularly discloses a snowmobile power battery structure resistant to an extremely cold environment and a temperature management system thereof.The structure comprises an outer box composed of an upper shell and a lower shell, the upper shell and the lower shell are made of metal materials and fixedly connected through a connecting piece, and the upper shell and the lower shell are made of metal materials; a sealing structure is arranged at the joint of the upper shell and the lower shell; the battery module is accommodated in the outer box, and the battery module comprises a plurality of battery cells, a bracket structure, a protection plate BMS, an electric connecting piece, an insulating piece and a heating part; the thermal insulation material is coated outside the battery module; the plurality of temperature sensors are distributed at different positions in the battery module and are connected with the protection plate BMS; wherein the protection plate BMS is configured to control starting and stopping of the heating component based on a detection signal of the temperature sensor; the battery pack is firm in overall structure, good in waterproof reliability, convenient to assemble, high in production efficiency and capable of meeting the falling and anti-seismic requirements.