48results about How to "Effectively brought out" patented technology

The invention provides a high-glossiness low-odor high-low-temperature-toughness flame-retardant PC/ABS (polycarbonate/acrylonitrile-butadiene-styrene) composition which is prepared from the following raw materials in percentage by mass: 30-90% of PC, 5-25% of phosphorus-containing flame retardant and 5-50% of ABS-low-temperature toughening modifier one-step material, totaling 100%. The ABS-low-temperature toughening modifier one-step material is prepared from the following raw materials in percentage by mass: 50-80% of ABS and 20-50% of low-temperature toughening modifier. The selected ABS material and the produced ABS-low-temperature toughening modifier one-step material are proportionally mixed with the flame retardant and PC to perform modification in an extruder, thereby obviously improving the problems of the odor of the PC/ABS composition, the defects in the compacting process and the like.

The invention discloses an efficient and low-cost hollow-out method for a sapphire wafer bar. Problems that an existing method for hollowing out a bar is poor in chip removal effect and large quantities of cooling liquid cannot reach a bar hollowed-out portion are solved. The efficient and low-cost hollow-out method mainly includes steps of (1), fixing a sapphire crystal on a machine tool, and turning on a cooling water pipe to continuously feed cooling liquid into the sapphire crystal; and (2), moving a cutter to a position to be processed and forming the sapphire wafer bar by more than one processing cycle. Each processing cycle includes hollowing out the bar, lifting the cutter, removing chips and moving the cutter downwards. In the step of hollowing out the bar, the rotational speed of the cutter ranges from 300r/min to 500r/min, and the bar begins to be hollowed out; in the step of lifting the cutter, the cutter is quickly lifted up when the depth of a hollowed-out portion of the bar ranges from 2mm to 5mm; in the step of removing the chips, the rotational speed of the cutter is controlled to range from 500r/min to 1000r/min, and the rotational speed of the cutter is adjusted to range from 300r/mm to 500r/min after 3-6 seconds; and in the step of moving the cutter downwards, the cutter moves downwards to the position to be processed. The efficient and low-cost hollow-out method has the advantages of high efficiency, good chip removal effect and cooling effect, and the like.

The invention discloses a breast implant silicone prosthesis production mold. The breast implant silicone prosthesis production mold comprises an upper mold and a lower mold. The lower mold is arranged at the bottom of the upper mold. The top of the lower mold is uniformly provided with a plurality of mold grooves. A cooling fluid flow channel is arranged in the position, located below the mold grooves, of the interior of the lower mold. The two sides of the bottom of the lower mold are elastically connected with a fixed base through vibration springs arranged symmetrically. Through arrangement of vibrators and the vibration springs, the mold can vibrate to effectively remove bubbles in molten silicone under the vibration effect so that silicone can be distributed uniformly in the mold grooves. Accordingly, the production quality of silicone prosthesis is effectively improved. The breast implant silicone prosthesis production mold is provided with heat conducting rods and the cooling fluid flow channel. The bottoms of the heat conducting rods can be immersed in cooling fluid. Under the flowing action of the cooling fluid, heat of the silicone is effectively taken out. Thus, cooling and solidifying of the silicone are accelerated, and the production efficiency of the silicone prosthesis is improved.

The invention discloses a five-axis machine tool rotary table with a damping structure, and relates to the technical field of numerical control machine tools. The five-axis machine tool rotary table comprises a turntable main body, wherein the turntable main body is provided with a rotary workbench, a sunken part is arranged in the center of the upper portion of the rotary workbench, and a plurality of T-shaped grooves are evenly formed around the sunken part; the center of the rotary workbench is connected with a rotating shaft; the rotating shaft is connected with the turntable main body through a bearing; the rotating shaft is of a hollow structure, one end is connected with a shunting disc, and the other end is connected with a connecting pipe; the shunting disc is located at the sunken part, and the side wall of the shunting disc is provided with a plurality of shunting holes; the axes of the shunting holes are in one-to-one correspondence with those of T-shaped grooves; a shell of the turntable main body is provided with an oil seal and a water pipe connector; the oil seal is arranged inside the water pipe connector; and the tail end of the connecting pipe penetrates out of the oil seal and is arranged in the water pipe connector. According to the invention, water flow or cutting fluid is sprayed into the T-shaped grooves, vibration energy of mounting bolts in the T-shaped grooves can be absorbed, then the water flow slides down along the T-shaped grooves, and the vibration energy is brought out.

The invention discloses a waste heat recycling device in the reaction process of ethene hydroformylation. The waste heat recycling device comprises a reactor, and further comprises a steam pocket anda refrigerating unit, and heat-transfer medium outlets of the reactor are connected with heat-transfer medium gas-phase inlets of the steam pocket; a heat-transfer medium gas-phase outlet of the steampocket is connected with a heat-transfer medium inlet of the refrigerating unit, a heat-transfer medium liquid-phase outlet of the steam pocket is connected with a heat-transfer medium inlet of the reactor, and a heat-transfer medium outlet of the refrigerating unit is connected with a heat-transfer medium liquid-phase inlet of the steam pocket. The invention further provides a method for using the device to recycle waste heat in the reaction process of ethene hydroformylation. The waste heat recycling device and method have the advantages of being simple in structure, stable to operate, lowin running cost, efficient and economical.

The invention provides a motor controller and a package method thereof. The motor controller comprises a shell; openings are formed at two surfaces of the shell, and two openings are closed by using acover plate and a water-cooling cover plate; a low-voltage connector and a high-voltage connector are arranged on two opposite ends of the shell. The internal volume of the controller is compact, allspace is sufficiently utilized, and the power density of the controller is improved; since the heating of the whole controller is mainly from an IGBT module, a water channel is formed local region ofa location for mounting the IGBT module at the bottom of a controller box, on the one hand, the space of the water channel is saved, on the other hand, the heat produced in the controller can be effectively taken away, and the controller temperature is reduced. The controller radiating box structure is located in a driving system, the test shows that the structure space is extremely compact, theweight is light, and the radiating effect is good.

The invention relates to the field of organic synthesis and discloses a preparation method of an intermediate, namely a 4-chloro-6-trifluoromethylpyrimidine type compound. The preparation method comprises the following steps of: taking trifluoroacetyl ethyl acetate and ether hydrochloride as raw materials, using a base catalyst to perform solvent reflux reaction with a hydrocarbon and alcohol mixture; mixing an obtained 4-hydroxy-6-trifluoromethylpyrimidine type compound with phosphorus oxychloride and acetonitrile, and reacting for 2-24 hours at the temperature of 80-150 DEG C; and removing a solvent, adding water, alkalinizing and extracting with an organic solvent. According to the method disclosed by the invention, the yield is high and can be more than 80%, the cost is lower, and the industrialization is easy.

The invention discloses a multi-vane anisotropic turbulent flow type low-pressure and self-balancing slurry degassing device. According to the multi-vane anisotropic turbulent flow type low-pressure and self-balancing slurry degassing device, a main body is composed of a multi-vane anisotropic turbulent flow generator and a low-pressure double-balance automatic accommodometer. The multi-vane anisotropic turbulent flow generator is provided with an agitating shaft, four sets of anisotropic vanes, an agitating barrel, a gas inlet guide pipe and a gas outlet guide pipe; the low-pressure double-balance automatic accommodometer is provided with a double-sleeve three-way closed glass outer pipe, a two-way glass inner pipe and a differential pressure balancing adjusting medium. According to the multi-vane anisotropic turbulent flow type low-pressure and self-balancing slurry degassing device, due to the design of non-equal-length backward vanes and a double-sleeve three-way gas quantity self-balancing compensation device, low-quantity gas carried by slurry can be agitated sufficiently and degassed; under the condition of ultralow gas quantity, the double-sleeve three-way gas quantity self-balancing compensation device can effectively carry away trace gas in the slurry. Therefore, the multi-vane anisotropic turbulent flow type low-pressure and self-balancing slurry degassing device is suitable for degassing the conventional slurry, is particularly suitable for degassing the slurry with great slurry density, many organic additives, great viscosity and small gas content, is complete in structure, is strong in adaptability and has a very good degassing effect.

The invention discloses a drying system for kitchen waste treatment, and belongs to the technical field of kitchen waste treatment devices. The drying system comprises a drying container, a first drying circulation pipeline, a second drying circulation pipeline, a stirring assembly and a heating stirring assembly, wherein the drying container is provided with a drying chamber; the first drying circulation pipeline communicates with the drying chamber and is provided with a first drying condensing assembly and a first fan; the second drying circulation pipeline communicates with the drying chamber and is provided with a second drying and condensing assembly and a second fan; the stirring assembly is arranged in the drying chamber; the heating assembly is used for heating the drying chamber;and the drying system comprises a first drying state and a second drying state. According to the drying system, along with the gradual decrease in the water content in solid wastes in the drying process, the solid wastes can be dried through the first drying circulating pipeline and the second drying circulating pipeline correspondingly in the case of high water content and low water content in the solid wastes, so that the drying speed can be greatly improved and the energy consumption can be reduced on the premise of ensuring the drying effect.

The invention discloses a stamping die with a double-cooling type forming punch, and belongs to the technical field of stamping. The stamping die is characterized in that an upper cooling cavity and alower cooling cavity filled with cooling liquid are arranged in a mold core and the punch respectively, and the upper cooling cavity and the lower cooling cavity communicate with each other through symmetrically-arranged air supply guide columns; air circularly flows between the upper cooling cavity and the lower cooling cavity through the air supply guide columns, and matching of air cooling andwater cooling is achieved, so that the cooling effect on the die is effectively improved; in addition, a magnetic attraction plate is arranged inside the punch, the bottom end of the magnetic attraction plate magnetically attracts a plurality of magnetic nitratine particles, after die assembly, water-soluble magnetism-starting trigger bodies located at the bottom ends of the air supply guide columns disintegrate when meeting water to trigger an on-off switch of the magnetic attraction plate, after the magnetic attraction plate is powered off, the plurality of magnetic nitratine particles fallinto the cooling liquid in the upper cooling cavity, and the cooling liquid is gradually cooled and partially frozen when meeting the magnetic nitratine particles; and on one hand, the cooling effectof the punch on the die is directly improved, on the other hand, a cooling effect on the circularly flowing air is achieved, and rapid cooling of the die is achieved.

The invention discloses an atmospheric environmental pollution monitoring device suitable for rainy and snowy weather and a monitoring method thereof, and relates to the technical field of environmental monitoring. The atmospheric environmental pollution monitoring device suitable for the rainy and snowy weather comprises a device body, wherein a detection module of the device body is located at the top part of the device body, a box body is fixedly connected to the top part of the device body, the detection module is located in the box body, a mounting opening is formed in the front face of the box body, a pore plate is fixedly connected into the mounting opening, a micro motor is fixedly mounted on the right side of the box body, a cleaning mechanism is arranged in the box body, and a matched wiping mechanism is arranged at the inner top part of the mounting opening. According to the atmospheric environmental pollution monitoring device suitable for the rainy and snowy weather and the monitoring method thereof, the cleaning mechanism and the matched wiping mechanism are used for cooperative operation, and the effect of fully cleaning the circulating air part of the monitoring device is achieved, so that the situation that normal work of the monitoring device is affected by pore plate blockage caused by the rainy and snowy weather is effectively prevented.

The invention discloses a method for preparation of phenolic resin by a two-phase technique. The method involves an organic solvent and a water solvent. Phenol and aldehyde are adopted as reactants, and a strong acid is taken as a catalyst. The reactants and the catalyst undergo reaction at the interface between the organic solvent and the water solvent to prepare the low molecular weight phenolic resin with narrow molecular weight distribution. The method provided by the invention uses the strong acid as the catalyst to shorten the reaction time, and the use of the strong acid as the catalyst has no adverse effect on subsequent use. The prepared phenolic resin is easy to disperse during application and can achieve even distribution.

The invention discloses a frequency converter. The frequency converter includes a main body of the frequency converter and a window-moving assembly arranged on the main body of the frequency converter. The main body of the frequency converter comprises an operation keyboard, a face cover, a casing, a main board PCB, drive PCB board, terminals, capacitor PCB board and silicone retainer; the cover is buckled with the housing, and the operation keyboard is embedded in the cover and buckled with the housing; the main board PCB is connected through the connector It is fixed inside the housing; the terminals are welded on the capacitor PCB, and the main board PCB, the drive PCB, the terminals and the capacitor PCB are sequentially connected and arranged inside the housing; the frequency converter of the present invention operates by The integrated design of the keyboard is an independent module, and an installation space is reserved on the casing. The operation keyboard is installed on the casing and exposed to the opening of the cover, which is convenient for operation and easy to replace, and only needs to replace the operation keyboard; The pcb boards are respectively connected and installed in the casing, maximizing the use of the space in the casing.

Provided is a laminated module that can suppress a temperature rise accompanying the heat release of semiconductor devices, allowing stable operation, even in the case of a configuration laminating semiconductor devices having large power consumption. The laminated module is provided with: an interposer (70) having a channel (71) through which a fluid flows; at least one first semiconductor device disposed on one side of the interposer (70); and at least one second semiconductor device disposed at the reverse surface of the interposer (70) from the first semiconductor device. The channel (71) of the interposer (70) has a first region having a cross-sectional area that is relatively smaller and a second region having a cross-sectional area that is relatively larger, and is configured in a manner so that the fluid is subjected to adiabatic expansion partway along moving from the first region to the second region.

The invention provides a multi-channel testing system and device. The system includes a power supply control module, a first AC/DC power supply conversion module, an instrument backplane module, a human-computer interface display module and a testing module; the power supply control module is connected to the human-computer interface display module, the instrument backplane module and the first AC/DC power supply conversion module; the instrument backplane module is connected to the first AC/DC power supply conversion module; the testing module is connected to the instrument backplane module;and the human-computer interface display module is connected to the instrument backplane module. The system and device are short in development period and small in development difficulty.