9results about How to "Efficient supply" patented technology

The application relates to a seam welding packaging device and relates to the technical field of electronic component packaging. The seam welding packaging device comprises a machine shell, a positioning mechanism, a feeding mechanism, a material moving mechanism and a packaging mechanism. The machine shell is provided with a sealed cavity, and the sealed cavity is provided with a mounting seat. The positioning mechanism comprises a positioning table arranged on the mounting seat. The feeding mechanism comprises two feeding assemblies arranged in the sealed cavity. The two feeding assemblies are arranged in the left-right direction at intervals. One of the two feeding assemblies is used for supplying a base body, and the other feeding assembly is used for supplying a cover body. The material moving mechanism comprises two material moving assemblies arranged on the mounting seat. One of the two material moving assemblies is used for moving the base body to the positioning table, and the other material moving assembly is used for moving the cover body to the base body on the positioning table. The packaging mechanism comprises a seam welding machine arranged in the sealed cavity. The seam welding machine is movably arranged, so that the roller electrode of the seam welding machine can roll and press weld the base body and the cover body.

The application discloses a coated controlled-release fertilizer based on magnetic response intervention nutrient precise control release and a preparation method thereof, and belongs to the technical field of controlled-release fertilizers.The coated controlled-release fertilizer is prepared by using a magnetic response type biological base coating material as a film material, and the magnetic response type biological base coating material raw material comprises, by weight, 30-40 parts of vegetable oil polyol, 15-25 parts of a curing agent, 1-5 parts of a covalent network crosslinking agent, 2-6 parts of a hydrophobic crosslinking agent and 5-20 parts of a magnetic substance.The application can artificially control the film shell pores to realize precise release of nutrients, greatly improve the nutrient utilization rate, and meanwhile, after the nutrient release is completed, the film shell remaining in the soil can be recycled by physical magnetic attraction, which is efficient and environmentally friendly.The application realizes magnetic response precise control of nutrient release by hydrophobic modification, crosslinking degree enhancement technology and introduction of magnetic substances, can artificially intervene in dynamic matching of crop fertilizer requirement rules with the help of an external magnetic field, realizes efficient recycling of the film shell, and eliminates soil plastic residue pollution from the source.

The utility model discloses an asphalt supply temperature control system for recycled asphalt concrete production. The asphalt supply temperature control system comprises an asphalt tank, an asphalt filling pipe, an asphalt filling motor, an asphalt discharging pipe, a mixing machine, a circulating pump, an asphalt return pipe and an asphalt circulating pump three-way valve, more than two asphalt tanks are arranged in parallel; each asphalt tank is provided with an electric heating insulation device, a temperature sensor, a liquid level meter, a stirring device and a weighing device; asphalt is supplied to each asphalt tank through an asphalt filling pipe, and an asphalt filling motor is arranged on the asphalt filling pipe; asphalt in each asphalt tank is supplied to the mixing machine through the asphalt discharging pipe, and the circulating pump is arranged on the asphalt discharging pipe; one end of the asphalt return pipe is communicated with a port 2 of the asphalt circulating pump three-way valve, and the other end is branched into more than two paths communicated with the corresponding asphalt tanks; a port 1 of the asphalt circulating pump three-way valve is communicated with one end of the asphalt discharging pipe, and a port 3 of the asphalt circulating pump flows to the mixing machine. The device realizes stable, efficient, safe and continuous supply of asphalt produced from recycled asphalt concrete.

This utility model belongs to the technical field of instant water heater structure, specifically an instant water heater structure with a heat exchange start-up device. It includes a rear shell, with a mounting bracket fixedly connected to the inner wall of the rear shell. A heat insulation cover is fixedly connected to the mounting bracket by bolts. A sleeve is installed inside the heat insulation cover, with a heating base fixedly connected to the top of the sleeve and a heating rod fixedly connected to the bottom of the heating base. A groove is formed inside the outer wall of the sleeve, with a connecting hole inside the groove. A bimetallic strip is fixedly connected to the top of the inner wall of the groove, and a slider is fixedly connected to the bottom of the bimetallic strip. A flow guide port is formed inside the slider. A preheating plate is installed inside the rear shell, with a preheating pipe inside the preheating plate. A support block is fixedly connected to the outer wall of the preheating plate. A heat-conducting pipe is fixedly connected to the outer wall of the sleeve, and a water inlet pipe is installed inside the preheating plate. This utility model, through the action of the bimetallic strip, heat-conducting pipe, and preheating pipe, improves heat exchange efficiency, reduces energy consumption, and minimizes heat loss, making hot water supply more efficient.

This invention belongs to the field of catalyst preparation technology, and particularly relates to a high-efficiency deoxygenation catalyst and its preparation method, comprising the following steps: treating porous alumina with TEOS, drying, high-temperature calcination and cooling, hydrothermally treating and dispersing it in TA solution for reaction, washing and dispersing it in toluene, adding PTMS and acidic ethanol solution for reaction, washing and drying to obtain a catalyst precursor; dissolving ammonium heptamolybdate, nickel nitrate and citric acid in deionized water, adjusting the pH value, adding the catalyst precursor for reaction, washing, heat treating and reacting in a mixed gas, cooling to obtain the deoxygenation catalyst. In the deoxygenation catalyst prepared by this invention, the Ni-Mo-S phase active sites have good dispersion and high utilization rate, effectively improving its catalytic activity for deoxygenation and hydrogenation of DBF and increasing the conversion rate of DBF.

Provided is a refrigerator. The refrigerator includes a cabinet in which a refrigerating compartment and a freezing compartment, each of which has an opened front surface, are defined, and a door configured to open and close the refrigerating compartment. The refrigerating compartment door includes a first door rotatably mounted on the cabinet, and a second door provided in front of the first door and configured to rotate in the same direction as the first door so as to open and close at least a portion of a front surface of the first door. The first door includes an ice-making chamber which is provided in a rear surface of the first door and in which an ice maker is accommodated, a door storage portion provided in a front surface of the first door to define a food storage space and opened and closed by the second door, and a supply duct configured to allow the ice-making chamber to communicate with the door storage portion and supply cold air of the ice-making chamber to the door storage portion.

The utility model relates to the technical field of electronic cigarettes, in particular to a double-tar-storage-bin type electronic atomizer which comprises a shell, a battery is installed on the lower portion in the shell, a switch button is installed on the lower side of the outer portion of the shell, a breathing lamp is arranged at the bottom of the shell in an embedded mode, and clamping plates are arranged on the two sides of the shell. The interior of the tar storage bin is divided into a left tar storage cavity and a right tar storage cavity through the arrangement of the gas guide partition plate in the tar storage bin, the total storage amount of tobacco tar is remarkably increased, in addition, the design is further provided with a connecting rod, a spring and a square sealing plug, and a channel between the two tar storage cavities can be opened only by pressing the connecting rod to move the square sealing plug. According to the electronic atomizer, rapid supplement of the tobacco tar is achieved, efficient and uninterrupted tobacco tar supply is guaranteed through the mechanism, use convenience and user experience are greatly improved, inconvenience caused by frequent tobacco tar adding or tobacco cartridge replacement is reduced, and the requirements of modern consumers for high efficiency and convenience of the electronic atomizer are further met.

The utility model discloses a sedimentation type cooling water purification system which comprises two sedimentation tanks arranged in an outer frame side by side, water collecting tank steel is fixed at the tops of inner cavities of the sedimentation tanks, water outlet pipes are fixedly communicated with the positions, corresponding to the water collecting tank steel, of the outer walls of the sedimentation tanks, and sludge discharge pipes are fixedly communicated with the bottom ends of the sedimentation tanks. And the tail end of the sludge discharge pipe is communicated with an external drainage trench. The utility model relates to the technical field of centrifugal pump cooling and purifying equipment. According to the utility model, high-temperature water is subjected to regular standing and laminar slow release in the sedimentation tank, so that fine impurities such as rust, silt and suspended matters entrained in a system can be effectively settled, the impurities are prevented from directly entering a bearing and a sealed cooling chamber, the quality of cooling water is improved, and the problem of excessive dependence on a filter in the original scheme is avoided; the content of impurities before entering a filtering pipeline is reduced in a precipitation pretreatment manner, so that the blocking frequency of a filter screen is reduced from the source, and the maintenance cost is reduced.

The utility model relates to a frequency converter anti -flicker device belongs to electrical field, and the purpose is when the grid voltage sag, reduce the delay for providing transient voltage of frequency converter. Including energy storage unit, prevent reverse diode and charger, and energy storage unit connects frequency converter DC bus through prevent reverse diode, and the positive pole of charger output end is connected the positive pole of energy storage unit respectively, and the main contact of contactor is connected in the charging loop between charger and energy storage unit in series, and the control end of contactor is connected with the detection module communication of grid voltage, still including transient detection unit, transient analysis unit and steady protection unit, and the control end of contactor is connected transient detection unit output, and transient analysis unit output connects the harmonic feedback interface of charger, and the main control system of frequency converter is connected steady protection unit output. The utility model can shorten voltage fault detection response time from traditional 10ms to 1ms or less, avoid the delay caused by single processor overload.