36results about How to "Timely contact" patented technology

The invention relates to a special baking oven for a silicon material, comprising a thermal insulation shell, an inner container, a high temperature air cavity, a hot air duct, a heater, a circulating fan, a dehumidifier, a dehumidification pipe, a humidity sensor and a temperature sensor, wherein the high temperature air cavity is arranged on top of the inner container, the hot air duct is arranged around the inner container, the heater is arranged in the hot air duct, the circulating fan is arranged between the high temperature air cavity and the hot air duct, the dehumidifier is communicated with the inner chamber of the inner container, the humidity sensor and the temperature sensor are arranged to realize automation control of the baking oven, hot air in the baking oven can form backflow to facilitate full contact of hot air and silicon material, and the dehumidifier can discharge water vapor in the baking oven in time and form proper vacuum in the baking oven to reduce moisture vaporization temperature and improve baking speed. The invention has obvious energy-saving effect and can greatly reduce energy consumption and labor cost.

The invention discloses a method for modifying a molecular sieve. The method comprises the following steps: dissolving a compound containing III B metal ions in the periodic table of the elements in water or acid to form a solution, mixing the solution with an organic complexing agent and / or a dispersing agent and a precipitating agent, stirring for at least 10 minutes to form a precipitate containing III B elements; mixing the obtained precipitate and molecular sieve slurry at the temperature of 5-100 DEG C, and stirring for at least 10 minutes to obtain mixed slurry of the precipitate containing the III B elements and the molecular sieve, and performing spray drying, calcining or not calcining, so as to obtain the modified molecular sieve, wherein a weight ratio, based on oxides, of the III B group elements to a dry basis of the molecular sieve is (0.3-10):100; a molar ratio of the organic complexing agent to the III B group metal ions is (0.3-10):1; a molar ratio of the dispersing agent to the metal ions is (0.2-16):1. The molecular sieve prepared by the method disclosed by the invention has excellent activity and stability and high heavy metal pollution resistance.

The invention belongs to the field of internal threaded pipelines for heat exchangers, in particular to an internal threaded copper pipe for an air conditioner. The internal threaded copper pipe comprises a copper pipe body, a second spring, cylindrical blocks and water stirring plates, wherein internal threads are formed in the inner surface of the copper pipe body; the cylindrical blocks are positioned in the copper pipe body, and the water stirring plates are uniformly arranged in the circumferential directions of the cylindrical blocks; and the shape of the vertical section of each water stirring plate is in an obtuse triangle shape; and one end of the second spring is fixedly connected with the top ends of the water stirring plates, the other end of the second spring is fixedly connected with a steel ball, the second spring is a compression spring, and the steel ball slides along internal thread teeth. According to the internal threaded copper pipe for the air conditioner, a refrigerant flows through the copper pipe body from right to left, the refrigerant impacts the water stirring plates, so that the flow rate of the refrigerant is slowed down, and the heat exchange time between the refrigerant and the wall of the copper pipe body is longer; and the refrigerant impacts the inner wall of the copper pipe body through the water stirring plates, so that the refrigerant close to a central part of the copper pipe body can also contact with the inner wall of the copper pipe body in time, the refrigerant in per unit volume can absorb more heat on the copper pipe body, and the heat exchange efficiency is improved.

The invention discloses an overheating protection device for a wireless charger. The device comprises a machine body; a base is arranged at the bottom of the machine body; a plug is arranged at the lower end surface of the base; the upper end face of the base is matched with the lower end face of the machine body; the lower end face of the machine body is provided with a connector; the connector can make contact with the plug; and therefore, the device can be disconnected from a household circuit in time, the situation that the circuit is open circuited is avoided, major accidents are avoided,the internal parts of the device can be protected, and the service life of the device is prolonged.

The invention discloses an organic fertilizer fermentation stirring device, and relates to the field of organic fertilizer production, the organic fertilizer fermentation stirring device comprises a main body, the top end of the main body is provided with a frame mechanism, the inner wall of the frame mechanism is provided with a driving mechanism, and the interior of the frame mechanism is provided with a wetting mechanism at one side of the driving mechanism. By arranging the frame mechanism and the driving mechanism, during stirring, the driving motor is firstly started, the output end of the driving motor drives the first gear to rotate, the first gear pulls the first belt connected with the outer wall to rotate, the first belt pulls the driving shaft to rotate, and the driving shaft drives the second gear connected with the end part to rotate; the second gear pulls the second belt on the outer wall to rotate, and the second belt pulls the stirring mechanism to rotate so that thea rotating ring is conveniently separated from the driven shaft, the output of the driving motor is not loaded to a moving wheel, the frame mechanism can be stopped in time, the use efficiency is improved, and the problem that the efficiency of the moving mode is not high is effectively solved.

The invention discloses a method for preparing polypeptide drug microspheres based on subliquid airflow spraying technology, which comprises the following steps: (1) dissolving polypeptide water-soluble drugs in water to obtain an inner water phase drug solution; dissolving carrier materials in In an organic solvent, an oil phase polymer solution is obtained; (2) the oil phase polymer solution is added to the internal water phase drug solution, ultrasonically crushed or shear dispersed to form a primary emulsion; (3) the primary emulsion is transported to The liquid inlet of the airflow nozzle located at the bottom of the liquid drying tank, and the gas inlet of the airflow nozzle is opened at the same time to atomize the primary emulsion, and the nozzle opening of the airflow nozzle is sprayed into the liquid from bottom to top into the liquid drying tank. In the aqueous solution of the agent, start the stirring while spraying the primary emulsion to form a double emulsion, and then dry it in the liquid at 15-25°C for 3-5 hours to remove the organic solvent, and obtain the polypeptide drug microspheres. The microspheres produced by the invention have high encapsulation efficiency, spheroidization rate and high production efficiency.

The invention relates to a catalytic cracking catalyst containing a modified molecular sieve and a preparation method thereof. In terms of 100% mass percentage, the catalyst contains 10-55% of the modified molecular sieve on dry basis, 10-80% of clay on dry basis, 0-40% of inorganic oxide in terms of oxide and 5-40% of a binder in terms of oxide. The modified molecular sieve is prepared by the method of: firstly dissolving a compound containing IIIB metal ions of the periodic table of elements in water or acid to form a solution, conducting mixing with a precipitating agent, an organic complexing agent and / or dispersant, and performing stirring for at least 10min to form III B element-containing precipitate; mixing the obtained precipitate with a molecular sieve slurry, and conducting stirring at 5-100DEG C for at least 10min so as to obtain a mixed slurry of the III B element-containing precipitate and the molecular sieve, and conducting spray drying and or without roasting. The catalyst disclosed by the invention has excellent activity stability and resistance to heavy metal pollution.

The application discloses a foot health-preserving device, which relates to the field of health-preserving equipment, and includes: a barrel body, which has a housing cavity for containing granular or powdery solid media; a rotating disc, which is rotatably connected to the housing In the chamber, the rotating disk has a plurality of through holes for the solid medium to be accommodated; the driving part is arranged on the barrel to drive the rotating disk to rotate so that the through holes drive the solid medium to move. By setting the rotating disk and the through hole, the rotation of the rotating disk can massage the sole of the foot, and at the same time, the solid medium in the through hole follows the movement of the rotating disk to polish the sole of the foot. More thorough cleaning of dead skin and other stratum corneum.

The invention discloses a method for modifying a molecular sieve. The method comprises the following steps: dissolving a compound containing III B metal ions in the periodic table of the elements in water or acid to form a solution, mixing the solution with an organic complexing agent and / or a dispersing agent and a precipitating agent, stirring for at least 10 minutes to form a precipitate containing III B elements; mixing the obtained precipitate and molecular sieve slurry at the temperature of 5-100 DEG C, and stirring for at least 10 minutes to obtain mixed slurry of the precipitate containing the III B elements and the molecular sieve, and performing spray drying, calcining or not calcining, so as to obtain the modified molecular sieve, wherein a weight ratio, based on oxides, of the III B group elements to a dry basis of the molecular sieve is (0.3-10):100; a molar ratio of the organic complexing agent to the III B group metal ions is (0.3-10):1; a molar ratio of the dispersing agent to the metal ions is (0.2-16):1. The molecular sieve prepared by the method disclosed by the invention has excellent activity and stability and high heavy metal pollution resistance.

The invention discloses an evaporator and a refrigeration system. The evaporator comprises a hollow cylinder and a heat exchange tube. The hollow cylinder is horizontally arranged, and a first liquidinlet, a first air outlet, a second liquid inlet and a second liquid outlet are formed in the end surface of the cylinder; and the two ends of the heat exchange tube are separately connected to the second liquid inlet and the second liquid outlet. The refrigeration system includes a compressor, the evaporator, a condenser with an idle area and a throttling device. When the evaporator is assembledwith the compressor and the condenser, since the first liquid inlet and the first air outlet are both formed in the end surface of the cylinder, the compressor and the evaporator are horizontally disposed; the compressor and the evaporator are both installed in the idle area in a condenser shell, the evaporator, the compressor and the condenser are assembled in one shell, so that the size of the refrigeration system is the size of an original condenser, and the height is only the original size of the condenser; the entire refrigeration system is compact in structure, and the occupied space issmall; and meanwhile, the refrigeration system can further be moved conveniently.

The invention relates to an air-air heat exchanger for refrigeration using water and air as a mixed working medium, which includes a cooling air pipeline and a cooling air pipeline, and the cooling air pipeline is composed of a heat exchange unit hot side and a pipeline The heat exchange unit is connected in series, and the cold side of the heat exchange unit is connected in the cooling air pipeline. The spray nozzle is connected to the high-pressure water source. The heat exchange unit is a plate-fin heat exchange unit, which is installed in a fork-countercurrent heat exchange manner; the cooling air pipeline is in a negative pressure shape. The present invention proposes the design concept of using water and air as the mixed working medium for refrigeration, and the hygroscopic phase change link is designed to be carried out in the heat exchanger with high efficiency, and achieves mass transfer and heat transfer synchronization and a virtuous cycle. The present invention becomes an air-air heat exchanger with higher refrigeration efficiency.