17 results about "Heat bath" patented technology

This invention provides a method for preparing and applying a core-shell MOF@COF heterojunction material, relating to the field of photocatalyst materials technology. The method includes: adding a metal ion source and an organic ligand to a first solvent, obtaining a reaction product through a hydrothermal reaction, washing and drying the reaction product to obtain a MOF material; adding an amino monomer, an aldehyde monomer, and the MOF material to a second solvent, mixing them, and then subjecting the mixture to a cooling bath to obtain a solid; subjecting the solid to a heat bath in a vacuum environment, then washing and drying the product to obtain the core-shell MOF@COF heterojunction material. The core-shell MOF@COF heterojunction material prepared by this invention can effectively absorb visible light and effectively separate photogenerated carriers, promoting the generation of a sufficient number of active species, and can be widely applied in the green remediation of real-world water bodies.

The invention discloses a quick deicing ice maker which comprises a control system, a refrigerating system, a deicing system and a shell, the refrigerating system comprises a refrigerating device, an upper ice mold, a lower ice mold and a water adding device, a refrigerating pipeline communicated with the refrigerating device is arranged at the top of the upper ice mold, and the refrigerating pipeline is close to an ice making cavity; the deicing system comprises a liquid storage tank, a heating body, a water pump and a heating pipe, the heating body is arranged in the liquid storage tank, the heating pipe is arranged on the outer side of the ice-making cavity, the water pump is communicated with an inner cavity of the liquid storage tank and the heating pipe, and the two ends of the heating pipe are communicated with the water pump and the inner cavity of the liquid storage tank respectively; the control system, the refrigerating system and the deicing system are all arranged in the shell, and a water box is arranged below the upper ice mold and the lower ice mold and movably connected with the shell. The anti-freezing solution circulating hot bath is adopted to demold ice blocks completing ice making, the provided heat is enough, the temperature rise is fast, the ice block surface dissolution speed is fast, fast demolding can be achieved, and the ice making efficiency is improved.

The present application relates to the technical field of polyester fiber, in particular to a high-strength polyester fiber and a preparation method thereof.The present application overcomes the technical problems of low mechanical strength and poor durability of the polyester fiber in the prior art.The present application prepares a composite functional master batch by stepwise melt extrusion of dopamine-modified zinc oxide, modified bentonite, epoxy-modified silicon dioxide, pyromellitic dianhydride, composite antioxidant and polyester chip; then the master batch is mixed with the remaining polyester chip for spinning, the melt is extruded by shearing and homogenization, and the nascent fiber is prepared by heating, delayed slow cooling and side blowing cooling solidification; finally, the high-strength polyester fiber is prepared by three-stage drawing and heat setting.The present application greatly improves the mechanical strength and durability of the polyester fiber through the synergistic effect of multi-dimensional functionalized nanomaterials and the construction of crosslinked network, combined with the multi-stage heat bath drawing process.

The invention belongs to the technical field of analog simulation, and relates to an AUTOFORM-based hot bath forming process simulation method, which comprises the following steps of S1, establishing a hot forming steel material card; s2, a hot bath forming process route is formulated, wherein the hot bath forming process route comprises a heating section, a hot bath forming section and a cooling section; s3, hot bath forming process parameters are input, wherein the hot bath forming process parameters comprise the environment temperature, the heat transfer coefficient, the friction coefficient and the hot bath time; s4, analogue simulation is conducted on the part, and forming parameters are obtained; and S5, part trial-manufacturing verification is conducted, and forming parameters are adjusted according to part forming results till the parts meet the technical requirements. Based on the AUTOFORM platform occupying 80% of the market share, the hot bath environment is simulated by calibrating parameters such as the heat transfer coefficient and the hot bath friction coefficient during hot bath forming, simulation of the hot bath forming process is achieved, and a basis is provided for large-scale safe application of galvanized hot-formed steel.

The present application relates to aramid fiber technical field, provide a kind of high-strength high-toughness transparent hydrophilic meta-aramid filament and its preparation method.The meta-aramid filament provided in the present application has high orientation degree, low crystallinity, dense and pore-free cross section, transparent appearance, high strength and high toughness, and good hydrophilicity, which is beneficial to increase the dispersibility of fiber in water, thereby meeting the preparation requirements of high-end aramid paper.The present application uses strong alkali / dimethyl sulfoxide system to prepare spinning dope, uses water bath as coagulation bath, can prepare uniform and dense nascent gel fiber, and then high-multiple heat bath stretching is carried out to obtain transparent hydrophilic meta-aramid filament with high strength and high toughness.

This invention relates to the field of hot bath forming technology, and more particularly to a method for improving microcracks in hot-formed patch plate parts. The invention provides a method for improving microcracks in hot-formed patch plate parts, comprising the following steps: selecting a main plate and a patch plate according to a plate thickness critical index δ≤0, matching their thicknesses and inner / outer layer positions; then welding the main plate and the patch plate and hot bath forming to obtain a hot-formed patch plate part; the outermost layer of the hot-formed patch plate part is either the main plate or the patch plate; the main plate is galvanized hot-formed steel; the plate material near the outer corner of the hot-formed patch plate part is the outer layer material, and the remaining layers are the inner layer material. The method of this invention can significantly reduce the depth and number of microcracks in hot-formed patch plate parts.

The utility model discloses an environment-friendly sulfuric acid colorimetric analysis device which comprises a supporting table, a compressor and a condenser are fixedly installed at the bottom end in the supporting table, the condenser is located behind the compressor, and a control terminal is fixedly installed on the left side of the top of the supporting table. A heating bath tank and a condensation bath tank are arranged on the right side of the top of the supporting table, the heating bath tank is located in front of the condensation bath tank, a hot bath stirring paddle and a hot bath heating rod are installed at the bottom end of the interior of the heating bath tank, and the hot bath heating rod is located at the side end of the hot bath stirring paddle; a cold bath stirring paddle and a cold bath heating rod are installed at the bottom end of the interior of the condensation bath tank, the cold bath heating rod is located at the side end of the cold bath stirring paddle, and a movable support is fixedly installed at the top end, close to the condensation bath tank, of the supporting table. Through the arrangement of the titration pump and the movable bracket, the aim of providing a stable temperature environment for uniform titration is fulfilled.

The utility model discloses a rotary evaporation device and honey toxin analysis equipment, including rotatory connection subassembly and heating bath pan, rotatory connection subassembly includes shell, the top and bottom surface of shell is provided with extension hole coaxially, and the inside is provided with connecting pipe, the one end of connecting pipe is communicated and connected with heating bottle, and the other end of connecting pipe is communicated and connected with the heating bottle. The other end of the connecting pipe is rotationally and detachably connected with a communicating sleeve, the other end of the communicating sleeve communicates with a condensation collecting assembly, the inner wall of the bottom of the shell is rotationally connected with an annular rotating disc, the annular rotating disc is connected with a driving device, and mounting sliding grooves are symmetrically formed in the annular rotating disc; one end of an adjusting sliding rod provided with an arc-shaped clamping block is slidably connected to the interior of each mounting sliding groove, a distance adjusting mechanism is arranged on the annular rotating disc and connected with the adjusting sliding rods, the distance between the arc-shaped clamping blocks can be changed through the distance adjusting mechanisms, connecting pipes with different diameters can be replaced, condensation assemblies and heating bottles with different specifications can be adapted, and universality and flexibility are improved.

This utility model relates to the field of automotive wheel hub manufacturing technology and discloses a rapid exhaust and cooling device for automotive wheel hub molds, including an exhaust pin cover plate, an exhaust pipe, and an intelligent digital exhaust fan. The exhaust pin cover plate is locked onto the upper mold by a series of screws arranged in a ring at equal intervals to achieve a sealed fixation. The exhaust pipe includes four exhaust branch pipes and one exhaust main pipe. One end of each of the four exhaust branch pipes is connected to the exhaust pin cover plate, and the other end is connected to the exhaust main pipe. The exhaust main pipe is connected to the intelligent digital exhaust fan. The intelligent digital exhaust fan adjusts the exhaust interval and exhaust time according to the casting mold conditions, enabling rapid exhaust and cooling, improving production efficiency and wheel hub qualification rate, and also recovering high-temperature gas to heat bath water to save resources. It solves the problems of slow cooling and shrinkage cavities through efficient exhaust and utilizes exhaust waste heat for resource recovery, combining the advantages of production optimization and energy saving.

The utility model provides a device for automatically measuring the cloud point of a nonionic surfactant. The device comprises a detection table, a lifting table, a heating unit, a detection unit and a display unit, the heating unit comprises a heating tank, a backflow pipeline, a backflow pump and a heating element, the heating tank is arranged on the detection table, the backflow pump is arranged in the backflow pipeline, and the backflow pipeline is arranged on the outer side of the heating tank and used for enabling hot bath substances in the heating tank to flow back; a heating element is arranged on the outer side of the backflow pipeline; the detection unit comprises a sample tube and a detection assembly, the sample tube is mounted in the heating tank, the detection assembly comprises a temperature sensor and a laser fiber detection sensor, and the detection assembly is arranged on the lifting platform and can extend into the sample tube; the display unit is arranged on the detection table, is in communication connection with the detection assembly, and is used for displaying the temperature value measured by the temperature sensor and the light transmission value measured by the laser fiber detection sensor. The device disclosed by the utility model can be used for automatically measuring the cloud point of the nonionic surfactant and is high in accuracy.

The invention provides a water level control method, a water level control device and a hot bath stamping device. The hot bath stamping device comprises a mold. The water level control method comprises the steps of obtaining water level information in a mold; and when the current water level is higher than the calibrated highest water level and lasts for a first set duration, stopping water replenishing and lasts for a first set period. Water level information is obtained again, and when the water level information shows that the current water level is higher than the calibrated highest water level, the water supplementing device is controlled to supplement water with the first water supplementing amount. And when the current water level is lower than the calibrated lowest water level and lasts for a second set duration, supplementing water with a second water supplementing amount and lasts for a second set period. The water level information is obtained again, and when the current water level is lower than the calibrated lowest water level, the water supplementing device is controlled to supplement water with the third water supplementing amount; when the current water level is not higher than the calibrated highest water level and not lower than the calibrated lowest water level, the water supplementing device is controlled to supplement water with the second water supplementing amount. The first water supplementing amount, the second water supplementing amount and the third water supplementing amount are gradually increased.

The application discloses a heating device, which comprises a tank for the object to be heated and a heating assembly, and the heating assembly is located in the tank; the tank is provided with an opening; wherein: the heating assembly comprises a steam inlet pipe, a heating part and a condensed water drain pipe which are connected in sequence, the steam inlet pipe extends downward into the tank, the heating part is located in the tank, the condensed water drain pipe extends upward out of the tank, and the condensed water drain pipe is externally connected with a trap. The integrated structure of the heating assembly makes the heating assembly easy to be taken out from the tank, which is beneficial to the maintenance of the heating assembly, improves the maintenance efficiency of the heating assembly and reduces the maintenance cost of the heating assembly. The application further discloses a heating method and application thereof in spinning.

The utility model relates to the technical field of electrical sheath processing, in particular to an electrical sheath hot bath device which comprises a hot bath body and a device frame, the hot bath body is mounted on the device frame, the hot bath body is provided with an inlet in the right side and an outlet in the left side, a hot bath channel is formed in the hot bath body, and the hot bath channel is communicated with the hot bath channel. The hot bath channel is of a wave-line-shaped structure folded back up and down, the wave-line-shaped structure is provided with a plurality of lower single hot bath grooves and a plurality of upper connecting channels, and the single hot bath grooves are sequentially a first single hot bath groove, a second single hot bath groove and a third single hot bath groove from right to left. The device has the advantages that the surface flatness of the produced sheath is good, the external corner of the sheath is not very thin, and the product quality can be improved.

The application provides a simulation method and system for diffusion behavior of nanoparticles in tissue gaps, and belongs to the field of molecular dynamics simulation, and comprises the following steps: constructing a multi-component coarse-grained molecular model; performing energy minimization on the multi-component coarse-grained model by using a conjugate gradient method, and obtaining an initial configuration with stable energy by setting a convergence tolerance; maintaining a constant temperature condition by using a Langevin heat bath under a canonical ensemble, performing molecular dynamics equilibrium simulation on the initial configuration to obtain the diffusion behavior of nanoparticles in tissue gaps, and recording motion trajectory data of the nanoparticles; obtaining mean square displacement (MSD) of the nanoparticles according to the motion trajectory data, and plotting MSD-t curves by corresponding MSD and simulation time t; performing linear fitting on the MSD-t curves and solving, to obtain a diffusion coefficient of the nanoparticles in the tissue gaps. The application analyzes the interaction between the nanoparticles and the solid-liquid two-phase medium from the molecular level, and provides a powerful microscopic research tool for elucidating the diffusion mechanism of the nanoparticles.