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1019results about How to "Easy to use for a long time" patented technology

Building-paint stirring device convenient for cleaning of stirring shaft

The invention discloses a building-paint stirring device convenient for cleaning of a stirring shaft. The building-paint stirring device comprises a base, a stirring motor, a fixing cover and rotary seat; the rotary seat is rotatably installed on the base, and a stirring barrel is fixedly installed on the rotary seat; a telescopic support is fixedly installed on the left side of the base, a top plate is fixedly installed at the telescopic end of the telescopic support, the stirring motor is fixedly installed on the upper side of the top plate, and the output end of the stirring motor is fixedly connected with the stirring shaft through a coupler; the stirring shaft is of a telescopic structure and is composed of a main telescopic rod and an auxiliary telescopic rod; a first stirring blade and a second stirring blade are respectively and symmetrically arranged on a main stirring rod and an auxiliary stirring rod. The building-paint stirring device is simple in structure; after stirring is competed, the stirring shaft can be taken out from the stirring barrel and cleaned conveniently, and long-term use of the stirring device is facilitated; paint stirring efficiency is improved through arrangement of the telescopic stirring blades and the rotatable stirring barrel.
Owner:宋衡星

Realizing method for long-distance electrocardiogram monitoring system with automatic analyzing and real-time information sharing functions

The invention discloses a realizing method for a long-distance electrocardiogram monitoring system with automatic analyzing and real-time information sharing functions. The method comprises the steps that 1, automatic dynamic electrocardiogram analyzing equipment collects electrocardiogram signals and motion sensor signals and analyzes the signals in real time; 2, the automatic dynamic electrocardiogram analyzing equipment transmits analysis results in a wireless mode through a low-power-consumption Bluetooth communication module; 3, a user monitoring terminal receives data, processes the data locally in real time and the transmits the data to a long-distance monitoring terminal; 4, information received by the long-distance monitoring terminal is transmitted to a long-distance index real-time analysis processing and early warning module, and processed results are submitted to an information sharing module; 5, the information sharing module enables received information to be shared in real time according to the preset share range and the sharing mechanism. The method has the advantages that data wirelessly transmitted are reduced to the maximum degree, human intervention is reduced, high automation degree analysis is achieved, and the real-time prediction and early warning ability of severe events is improved.
Owner:成都信汇聚源科技有限公司

Polymer based temperature-sensitive resistance material with negative temperature coefficient (NTC) effect and preparation method thereof

The invention belongs to the technical field of manufacturing of conductive polymer composites, and in particular relates to a preparation method of a conductive polymer composite with negative temperature coefficient (NTC) characteristics. The invention discloses a polymer based temperature-sensitive resistance material with a NTC effect, and the polymer based temperature-sensitive resistance material comprises the following raw materials in parts by weight: 88.5-96.9 parts of a polymer 1 and a polymer 2, 0.1-1.5 parts of a conductive filler and 3-10 parts of a compatilizer; moreover, the conductive filler is selectively distributed in the polymer 2; the MFI of the polymer 1 is less than or equal to 7g/10 minutes, and the MFI of the polymer 2 is more than or equal to 12g/10 minutes; the thermal expansion coefficient of the polymer 2 is greater than that of the polymer 1, and the conductive filler is a two-dimensional conductive filler; and the mass ratio of the polymer 1 to the polymer 2 is (3:7)-(7:3). The resistance material prepared by the method disclosed by the invention is low in percolation threshold, the NTC characteristic repeatability of the obtained resistance material is good, and the resistance material is convenient to use for a long time.
Owner:ZHENGZHOU UNIV

Heating type cigarette-noncombustible heater

Smoking is harmful to health, and the main harmful components come from the combustion of tobaccos; if a cigarette is just heated rather than combustion, advantages can be drawn while disadvantages can be avoided. The invention relates to a heating type cigarette-noncombustible heater and a manufacturing method thereof, wherein the heating type cigarette-noncombustible heater is composed of a thin metal heat-conduction pipe, a cigarette heating chamber, a combustion chamber, an ignition device, a liquid fuel supply valve, a sensor, a liquid storage bin and the like, and is characterized in that the heater provides heat to the heat-conduction pipe through the combustion of liquefied gas; the heat-conduction pipe is inserted in tobacco shreds for heating; the heater has a temperature control function and a thermal insulation layer, so that the temperature of the heat-conducting pipe is limited in a given range, and a consumer does not feel hot when holding a housing of the heater. The heating type cigarette-noncombustible heater provided by the invention has the advantages that after a cigarette is inserted in the heating chamber, the heater can be started up in an instant, has a higher power and a broader application range, not only can heat general cigarettes, but also is suitable for heating large cigars, is particularly convenient for use in the wild for a long time, can heat dozens of cigarettes after complementing fuel fluid at a time, and is more convenient to carry and lower in cost.
Owner:黄争鸣

Ferro-tungsten composite oxide denitrification catalyst with flower petal structure and preparation method and application of ferro-tungsten composite oxide denitrification catalyst with flower petal structure

The invention discloses a ferro-tungsten composite oxide. The ferro-tungsten composite oxide comprises three elements including ferrum (Fe), tungsten (W) and oxygen, wherein Fe and W are highly dispersed in the composite oxide with molar ratio of (5.8-12.9):1, preferentially, with molar ratio of 6.8:1. The ferro-tungsten composite oxide has a total or partial three-dimensional flower petal structure, and the flower petal structure is composed of multiple petals. The invention also discloses preparation and application of the ferro-tungsten composite oxide. The preparation method is simple and practicable, the adopted precursor is commonly used metal salt such as sulfate, tungstate, is low in cost, is easy to obtain, and can reach industrial production conveniently. The obtained ferro-tungsten composite oxide with the flower petal structure as the denitrification catalyst has high catalytic activity and N2 selectivity, is wide in temperature range, and high in sulfur dioxide and water poisoning resistance, and is used for purifying or eliminating nitric oxide in flue gas from a regular source, diesel exhaust and tail gas from a lean-burning gasoline engine.
Owner:UNIV OF JINAN

Preparation method of multilayer-coated slow release fertilizer for wheat

The invention discloses a preparation method of a multilayer-coated slow release fertilizer for wheat. The preparation method comprises the following steps: uniformly mixing a nitrogen fertilizer, a nitrogenous fertilizer synergist, a phosphate fertilizer, a potash fertilizer, medium trace element fertilizer and auxiliary materials, adding modified cassava powder as a binder, crushing, and granulating to obtain core particles; carrying out aging reaction on concentrated sulfuric acid, phosphoric acid and liquefied ammonia to obtain slurry, coating the core particles with the slurry as an internal coating material so as to form particles with the internal coating layer; humidifying the particles with the internal coating layer, adding an external coating material to uniformly coat the particles with the internal coating layer so as to obtain particles with an external coating layer, drying, polishing, and sieving to obtain the multilayer-coated slow release fertilizer for wheat. The multilayer-coated slow release fertilizer for wheat can fully supply wheat with nutrients. The supply of nutrients is lasting and harmonious, and release of nutrient elements can be controlled. Topdressing is not required by one-time fertilization. By the use of the fertilizer, quality and yield of wheat are remarkably enhanced.
Owner:ANHUI SIERTE FERTILIZER IND

Vehicle diesel engine oil and gas separator test apparatus and method thereof

The invention discloses a vehicle diesel engine oil and gas separator test apparatus and a method thereof. In the invention, an outlet port of an air cleaner is connected with one end of a flowmeter. The other end of the flowmeter is connected with an input port of an oil gas mixing box. A sidewall of the oil gas mixing box is provided with a fuel injector and a heater. A temperature controller is provided outside the oil gas mixing box. A pipeline from an outlet port of the oil gas mixing box to an air intake of an oil and gas separator is provided with a first particle counter and a first pressure gauge in order. A pipeline from an air outlet of the oil and gas separator to an input port of an absolute cleaner is provided with a second compression gauge and a second particle counter in order. An outlet port of the absolute cleaner is connected with one end of a throttle valve. The other end of the throttle valve is connected with a vacuum pump. A pipeline between the throttle valve and the vacuum pump is provided with an overflow valve. In the invention, oil gas mixing is carried out with only a simple oil injection apparatus, through adjusting fuel injection quantity, gas mixture concentration is controlled well, an experiment requirement is reached, and credibility of an experiment is ensured.
Owner:HANGZHOU DIANZI UNIV

Water turbine rotating wheel and manufacturing method thereof

ActiveCN105332846ASolve engineering problems that are too heavy to be transportedExtended service lifeFinal product manufactureHydro energy generationWater turbineHeat treated
The invention discloses a water turbine rotating wheel and a manufacturing method of the water turbine rotating wheel. The water turbine rotating wheel is formed by splicing a plurality of blades, and the upper crown outer side and the lower ring portion outer side of the water turbine rotating wheel are wrapped with a first steel wire winding layer and a second steel wire winding layer respectively; each blade comprises a water turbine blade body, an upper crown portion and a lower ring portion, wherein the upper crown portion and the lower ring portion are arranged at the two ends of the blade body; and the manufacturing method of the water turbine rotating wheel sequentially comprises the steps of blade designing, blade primary blank casting, heat treatment, surface cutting machining to obtain a refined blank, and sequentially conducting of surface anticorrosion treatment on the refined blank, heat treatment and grinding on the refined blank to complete industrialized manufacturing of the blades. The blades are transported to a dam, and after the blades are assembled, steel wire winding is carried out on the upper crowns and the lower rings of the blades; and sealing protection treatment is carried out on combined gaps and steel wire layers on the water turbine rotating wheel, and finally, finishing operation and debugging are carried out. According to the water turbine rotating wheel and the manufacturing method of the water turbine rotating wheel, the engineering problems that the water turbine rotating wheel is huge, and cannot be transported are solved, damaged portions can be conveniently and locally split or repaired or replaced, and the service life of the rotating wheel is greatly prolonged.
Owner:KUNSHAN YONGNIAN ADVANCED MFG TECH

Heat dissipation shockproof device of filter for high-voltage harmonic treatment

The invention relates to a shockproof device, in particular to a heat dissipation shockproof device of a filter for high-voltage harmonic treatment. The heat dissipation shockproof device of the filter for high-voltage harmonic treatment has the technical effects that the heat dissipation effect is great, the shockproof effect is good, and the operation difficulty is low. To achieve the technical effects, the heat dissipation shockproof device of the filter for high-voltage harmonic treatment comprises a top plate, a drying box, a first cold air pipe, a first one-way valve, a cylinder body, a piston, a second one-way valve, a stirring rod, an ice storage box, a flat belt, a small belt pulley and the like. The top of a bottom plate is sequentially provided with a left support, springs and a right support from left to right. The left support and the right support are provided with vent holes. A containing tank is arranged at the top ends of the springs. Through the heat dissipation shockproof device, the effects that the cooling speed is high, the heat dissipation effect is great, and the operation difficulty is low are achieved, application of the filter is facilitated by keeping the application environment of the filter dry, and long-term application of the filter is also facilitated.
Owner:张晶星

In-situ test method for high-pressure low-temperature heat conductivity coefficients and heat transfer coefficients

The invention discloses an in-situ test method for high-pressure low-temperature heat conductivity coefficients and heat transfer coefficients. The heat conductivity coefficients and the heat transfer coefficients of media are measured based on a point heat source thermistor method. The power of a thermistor is determined, and the heat conductivity coefficient and the heat transfer coefficient of a measured medium are obtained according to the resistance feedback and temperature attenuation data of the thermistor by utilizing a calculation model. The method comprises the following steps: correcting parameters of a thermistor measurement model; slowly extruding a to-be-measured medium by utilizing a piston on the lower part of a reaction kettle, and unifying the standard of to-be-detected samples; introducing reactive gas and controlling the pressure and temperature in a target range; and inputting the determined power value into the thermistor by virtue of a power input control system, acquiring the resistance value and temperature value of the thermistor by utilizing a data acquisition device, and finally, obtaining the heat conductivity coefficient and the heat transfer coefficient by utilizing the calculation model. According to the design of the invention, in-situ synthesis of different media under high pressure and at low temperature can be met, and in-situ measurement of the heat conductivity coefficients and heat transfer coefficients of multi-phase condition substances in different spaces and different time is realized.
Owner:DALIAN UNIV OF TECH

Filter temperature reduction and heat radiation device for high voltage harmonic processing

The invention relates to a heat radiation device, in particular to a filter temperature reduction and heat radiation device for high voltage harmonic processing, and aims at solving the technical problems to provide the filter temperature reduction and heat radiation device for high voltage harmonic processing with the advantages that the temperature reduction speed is high; the heat radiation effect is good; the operation difficulty is small. In order to solve the technical problems, the invention provides the filter temperature reduction and heat radiation device for high voltage harmonic processing. The filter temperature reduction and heat radiation device for high voltage harmonic processing comprises a left support frame, a bottom plate, a heat radiator, a right support frame, a motor, a first support rod, a lead screw, a screw nut, a second support rod, a guide rail, a guide block, a connecting rod, a bearing seat and the like, wherein the top of the bottom plate is sequentially provided with the left support frame, the heat radiator and the right support frame from the left side to the right side; ventilation holes are formed in the left support frame; a third support rod is arranged at the right side of the left support frame. The filter temperature reduction and heat radiation device achieves the effects that the temperature reduction speed is high; the heat radiation effect is good; the operation difficulty is small; the use environment of a filter maintains the dryness; the use of the filter is facilitated; the long-time use of the filter is also facilitated.
Owner:重庆恒泰聚能科技有限公司

Stone cutting machine

The invention discloses a stone cutting machine, and relates to the technical field of stone processing. The stone cutting machine comprises a workbench. A drainage channel is formed in the middle ofthe upper surface of the workbench. The position, located on the edge of the drainage channel, of the upper surface of the workbench is fixedly connected with the edge of the lower surface of a placing plate, and the plating plate is provided with a bar-shaped hole which extends from left to right. The stone cutting machine is provided with clamping devices, a first clamping plate can be pushed through electric drive pushers in the two clamping devices so that a protection pad on the first clamping plate can make contact with stone, and then two second electric drive pushers in the clamping devices are used for pushing a connecting block so that second clamping plates can move towards the stone to clamp the stone. The two clamping devices are matched so that the position of the stone on the placing plate can be fixed, displacement by vibration of the stone in the stone cutting process can be avoided, the phenomenon that cutting blades are broken due to movement of the stone or scraps appear by cutting mistakes of the stone can be avoided, and the problems put forward in the background technology are solved.
Owner:SHAOXING DAWEI KNITTING MACHINERY
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