5results about How to "Reasonable temperature distribution" patented technology

The invention belongs to the technical field of methanol synthesis, and particularly relates to a green methanol synthesis system for regulating and controlling reaction temperature by utilizing multi-stage fused salt energy storage, which comprises a methanol synthesis tower, a low-temperature fused salt tank, a medium-temperature fused salt tank and a high-temperature fused salt tank, an upper tube plate and a lower tube plate are respectively arranged at the upper part and the lower part of the methanol synthesis tower, a plurality of reaction tubes are arrayed between the upper tube plate and the lower tube plate, and a fused salt pipeline is uniformly wound on each reaction tube; the upper ends of all the fused salt pipelines are connected with a fused salt inlet of the methanol synthesis tower through a fused salt pipeline connecting piece, and the lower ends of all the fused salt pipelines are connected with a fused salt outlet of the methanol synthesis tower through another fused salt pipeline connecting piece; an outlet of the low-temperature molten salt tank is connected with a molten salt inlet of the methanol synthesis tower, and an inlet of the medium-temperature molten salt tank is connected with a molten salt outlet of the methanol synthesis tower. The methanol synthesis reaction temperature can be reasonably controlled in a demineralized water countercurrent flow heat exchange and molten salt parallel flow heat exchange mode, so that the catalyst is in a proper active temperature range, the optimal methanol synthesis reaction state is achieved, the service life of the catalyst is prolonged to the maximum extent, and the methanol output rate is increased.

This utility model discloses an intelligent zoned heat dissipation system for frequency converters, including a chassis, a low-temperature zone module, a medium-temperature zone module, a high-temperature zone module, a temperature sensor network module, and an intelligent control unit module. An isolation structure is provided between the medium-temperature zone module and the low-temperature zone module. The medium-temperature zone module is equipped with a second air intake channel that directly introduces ambient cooling air from outside the chassis and a main cooling fan. Temperature sensors monitor the temperature of each zone, and the intelligent control unit dynamically adjusts the speed of the main cooling fan based on the temperature data. This utility model effectively isolates thermal crosstalk between temperature zones by providing an independent, high-quality cold source for the core heat-generating areas and achieves intelligent on-demand heat dissipation, thereby improving heat dissipation efficiency, reducing energy consumption and noise, and enhancing the reliability and lifespan of the frequency converter. It is mainly applied to the heat dissipation of power electronic equipment such as frequency converters and inverters.

The utility model relates to a flat flame burner, relates to burner field, including base, and lower casing and upper casing mutually assembled on the base, be located the fixed station between lower casing and base, the inner side of upper casing is equipped with protective gas ring, spacing ring and sintering pan in proper order, the sintering pan is equipped with nine burning hole, the burning hole is equipped with the lower casing, the upper casing is equipped with the fixed station between lower casing and base. A fuel pipe is inserted into each hole and extends to the position below the base. The flat flame burner is improved on the basis of an existing single-hole flat flame burner, nine holes are formed in the sintering disc, and each hole is provided with a fuel pipe, so that the flat flame burner is suitable for researching the porous combustion characteristic of the flat flame burner; comprise porous combustion phenomenon characteristics, whether crosstalk exists during combustion of a plurality of holes, whether flames are enhanced or weakened during combustion of the holes, and whether an arrangement mode has influences on the flames.

The invention provides a machining device for a numerical control machine tool and belongs to the technical field of numerical control machine tools. Comprising a numerical control horizontal lathe, a workpiece feeding port used for placing a workpiece into the numerical control horizontal lathe and a triangular chuck used for clamping the machined workpiece, a supporting frame is arranged on one side of the numerical control horizontal lathe, and an auxiliary feeding assembly used for conducting auxiliary feeding on the workpiece is installed on the supporting frame; through the arranged auxiliary feeding assembly, precise auxiliary mounting and positioning of long and heavy workpieces can be achieved, through cooperative operation of a bearing plate, a first screw rod and a sliding rod and the adjustable function of a center frame, the problems of the long and heavy workpieces in the carrying and feeding process are effectively solved, the degree of dependence on a portal frame is reduced, and the working efficiency is improved. And the situation of machining delay caused by the limited number of portal frames is avoided, the labor intensity and the operation difficulty of workers are reduced, the safety risk in the manual carrying process is reduced, and the safety and the stability in the production process are further improved.

The invention discloses a livestock and poultry manure rapid fermentation tower and biogas instant collection system, comprising a support used for supporting the stable operation of the whole system; the plurality of fermentation towers are fixed in the support side by side, a plurality of layers of funnel-shaped partition plates are designed in the fermentation towers, and the partition plates divide the fermentation towers into a plurality of layers of material box structures so as to promote layer-by-layer fermentation of excrement; vent holes are formed in the edges of the partition plates, gas is allowed to circulate among layers, and mutual communication of biogas generated by each layer is ensured; the electrically-controlled feeding cabin door is arranged at the top of the fermentation tower and is used for feeding livestock and poultry manure into the fermentation tower; the electrically-controlled discharging cabin door is arranged at the bottom of the fermentation tower and is used for discharging the fermented and dried sludge; compared with the prior art, the temperature distribution in the fermentation tower is more reasonable, and synchronous fermentation of materials on all layers is facilitated.