16results about How to "Achieve redistribution" patented technology

The invention provides a medium-voltage alternating-current bidirectional flexible interconnection device, which belongs to the technical field of power distribution and comprises a first phase-shifting transformer, a second phase-shifting transformer and a three-phase current source type flexible power transmission unit, the three-phase current source type flexible power transmission unit is located between the first phase-shifting transformer and the second phase-shifting transformer, and the first medium-voltage bus and the second medium-voltage bus are located at the lower end of the total drop of any two active high voltages; and the three-phase current source type flexible power transmission unit is used for performing bidirectional scheduling on the alternating current electric energy between the first medium-voltage bus and the second medium-voltage bus under the control instruction. When temporary uneven energy distribution occurs between transformers in a power distribution network of two power distribution transformers, energy redistribution can be realized, and energy balance can be realized to the greatest extent.

The invention belongs to the technical field of hot dip coating, and relates to an alloyed powder spraying system and a zinc-aluminum-magnesium coating process based on the alloyed powder spraying system.The alloyed powder spraying system comprises the following steps that 1, alloyed powder is dried for standby application, when the alloyed powder is prepared, high-magnesium-content zinc-aluminum-magnesium alloy is molten in a zinc-aluminum-magnesium pot to form hot dip molten liquid, and the hot dip molten liquid is cooled to the room temperature; the hot-dip coating is waited for use during hot-dip coating; 2, the strip steel is fed into a zinc-aluminum-magnesium pot to be subjected to hot dipping, so that a high-magnesium-content zinc-aluminum-magnesium coating is formed on the surface of the strip steel, and air knife treatment is conducted; and 3, the standby alloy powder in the step 1 is adopted as a cooling agent, alloy powder spraying is conducted on the surfaces of the two sides of the strip steel subjected to hot dipping at the same time through an alloy powder spraying system, a high-magnesium-content zinc-aluminum-magnesium coating is cooled and serves as a nucleation for solidification of a zinc-aluminum-magnesium coating alloy, and the high-magnesium-content zinc-aluminum-magnesium coating alloy is obtained. And cooling control over the solidification process of the high-magnesium-content zinc-aluminum-magnesium coating is achieved by adjusting parameters of the alloy powder.

The application discloses a resin filter core structure and a water purifier applying the same, and belongs to the technical field of water purification. The water purifier comprises a box body and a filter core assembly. A first cavity is arranged in the box body. The filter core assembly is arranged in the first cavity. The filter core assembly comprises a shell, a center pipe, a second cavity, a resin core layer, a water distributor and a filter layer. The second cavity is arranged in the shell. The center pipe is arranged in the second cavity. The lower end of the center pipe is communicated to the outer bottom wall of the shell. The filter layer is arranged on the upper outer wall of the center pipe. The resin core layer is arranged in the second cavity. The water distributor is arranged on the outer wall of the center pipe around the filter layer. The water inlet direction is changed through the water distributor, so that the water flow can fully flow in the resin core layer, the service life is prolonged, and the purification effect is improved.

The utility model provides a quick-frozen conditioning product cooking system, which relates to the technical field of food processing, comprises an unfreezing pool, a mixer, a plastic extruding machine, a blanching and cooking machine, a cooling machine and an instant freezer which are connected in sequence, and is characterized by further comprising a thermolator used for adjusting the temperature of water passing through the thermolator, the thermolator comprises a Y-shaped three-way pipeline, and the Y-shaped three-way pipeline is communicated with the plastic extruding machine. A water outlet of the cooling machine is communicated with one branch of the Y-shaped three-way pipeline through a first pipeline, a water outlet of the blanching cooking machine is communicated with the other branch of the Y-shaped three-way pipeline through a second pipeline, and a water inlet of the unfreezing pool is communicated with a main pipeline of the Y-shaped three-way pipeline through a third pipeline. And low-temperature water discharged from the cooling machine and high-temperature water discharged from the blanching and cooking machine are mixed by the thermolator and then enter the unfreezing pool to unfreeze the materials. The device can effectively save energy and guarantee the consistency of product quality.

A low-carbon optimization scheduling method for a microgrid based on an improved particle swarm algorithm reduces the comprehensive operating cost of the microgrid system. The method includes: obtaining basic data and load data of the microgrid system, mainly including electric load, electricity purchase price, and electricity selling price, and combining the characteristics of the units in the microgrid system to construct a comprehensive cost objective function of the microgrid system; taking the minimum comprehensive cost of the microgrid system as the objective function, including the energy consumption cost and carbon emission cost of the microgrid system, to construct a low-carbon scheduling model; introducing unit power constraints, energy storage device constraints, and carbon emission constraints; using the improved particle swarm algorithm to solve the low-carbon scheduling model and optimize the scheduling of the microgrid system according to the scheme. The present invention has a strong optimization ability and a fast convergence speed through the improved algorithm, and can effectively allocate the output of each unit in the microgrid system, and can reasonably and effectively allocate the output of each unit in the microgrid system, providing an optimization scheduling method that is both economical and environmentally friendly.

The present invention discloses a thermostat device capable of performing continuous temperature control over a wide temperature range, the device comprising a low temperature refrigeration system, a sample chamber assembly, a heat insulation assembly and a sample temperature control system, wherein a sample rod body (43) in the sample chamber assembly is provided with a sample temperature sensor (54) and a sample heater (55) respectively connected to a temperature controller (57) in the sample temperature control system, the temperature controller (57) is connected to a host computer (56) via a line, and the host computer (56) performs PID closed-loop control on the sample temperature sensor (54) and the sample heater (55) via the temperature controller (57); a static helium pressure sensor (64) connected to the host computer (56) is provided on a static helium pipeline connected to a static helium interface (47) in the sample chamber assembly. The device of the present invention can perform continuous temperature control over a wide temperature range of 2-800K, meeting the needs of today's high-end physical property measurement field.

The application discloses a preparation method of a multistage coating oxygen-mediated annealing based on RAFM steel / titanium nitride, and belongs to the technical field of coating preparation. The application method comprises the following steps: depositing a TiN coating on the surface of a low-activated ferrite / martensite steel base by using a magnetron sputtering, using a pure titanium target, and setting the nitrogen / argon flow ratio to 1:13-1:18, the base vacuum degree to 4-6*10 ‑5 Pa, and the deposition time to 60-90 min, and not applying additional active heating to the base during the deposition process; packaging the deposited coating sample in a quartz tube, providing a trace oxygen atmosphere in the tube by means of the gas pressure in the tube; and then performing 800-1000 DEG C annealing treatment and keeping the temperature for 90-120 min. Through oxygen-mediated element diffusion and reaction, a multistage composite structure, which comprises, from the base outward, an internal oxidation layer, an Fe internal enrichment layer, a TiN layer, an Fe external enrichment layer and an external oxidation layer, is formed in the TiN coating in situ. The application method is simple in process, does not need to deposit a transition layer additionally, the prepared multistage coating is well combined with the base, has excellent thermal shock resistance, and can withstand more than 30 times of thermal shock cycles.

The invention discloses a multistage coating oxygen-mediated annealing preparation method based on RAFM steel / titanium nitride, and belongs to the technical field of coating preparation. The method comprises the steps that a TiN coating is deposited on the surface of a low-activation ferrite / martensitic steel matrix through magnetron sputtering, a pure titanium target material is used, the nitrogen-argon flow ratio is 1: 13-1: 18, the background vacuum degree is 4-6 * 10 <-5 > Pa, the deposition time is 60-90 min, and extra active heating is not applied to the matrix in the deposition process; placing the deposition coating sample in a quartz tube for packaging, wherein the gas pressure in the tube provides a trace oxygen atmosphere; and then annealing treatment is conducted at the temperature of 800-1000 DEG C, and heat preservation is conducted for 90-120 Through oxygen-mediated element diffusion and reaction, a multi-stage composite structure sequentially comprising an inner oxide layer, an Fe inner enrichment layer, a TiN layer, an Fe outer enrichment layer and an outer oxide layer from a matrix to the outside is formed in the TiN coating in situ. The method is simple in process, a transition layer does not need to be additionally deposited, and the prepared multi-stage coating is well combined with a matrix interface, has excellent thermal shock resistance and can bear more than 30 times of thermal shock cycles.

The invention belongs to the technical field of heat management of internal combustion engines, and particularly discloses and provides a collaborative cooling efficiency optimization method for an intercooler and an EGR (exhaust gas recirculation) system, which comprises the following steps: by establishing a collaborative working mechanism of the intercooler and the EGR system, collaborative optimization of comprehensive performance of an engine is realized, and the contradiction between mutual restriction of emission reduction and fuel economy improvement is solved; a control strategy based on multi-target prediction is introduced, the dynamic adaptability and the control precision of the thermal management system are improved, an optimal heat exchange strategy can be formulated in advance, and system parameter fluctuation is maintained within a preset range; by arranging the heat management coupler, redistribution and efficient utilization of heat energy in the engine are achieved, heat energy originally needing to be dissipated in the EGR cooling loop is transferred to the intercooler cooling loop to be used for adjusting the supercharged air inlet temperature, dependence on the total heat dissipation capacity of a cooling system is reduced, energy consumption of cooling accessories is reduced, and the cooling efficiency is improved. Therefore, the overall heat efficiency of the engine is improved.

The utility model relates to the field of rubber rollers, in particular to a constant temperature type rubber roller which comprises a roller body and end covers connected to the two ends of the roller body, one end cover is connected with a first transmission end shaft, the other end cover is connected with a second transmission end shaft, the end, away from the roller body, of the first transmission end shaft is connected with a rotary connector, and an inner roller is connected into the roller body. The two ends of the inner cylinder are connected with the first transmission end shaft and the second transmission end shaft respectively, a sealing ring is connected to the middle of the surface of the inner cylinder, and the outer circle of the sealing ring is connected with the inner wall of the cylinder. The space between the inner cylinder and the cylinder body is divided into the left circulating cavity and the right circulating cavity by the aid of the sealing ring, so that heat-conducting oil directly flows on the surface of the inner cylinder, the flowing distance of the oil inlet is shortened, the heat-conducting oil is quickly transmitted into the left circulating cavity and the right circulating cavity through the transmission pipe, the heat conduction efficiency is improved, and the service life of the heat-conducting oil is prolonged. And meanwhile, the surface temperature of the rubber roller is kept uniform and is kept in a constant-temperature state, and the processing effect and the processing efficiency of products are improved.

The invention discloses a resource management method and device based on a tree structure, equipment, a medium and a product, and relates to the technical field, the method comprises the following steps: constructing a resource tree according to external input structure information; when an externally input resource allocation instruction is received, downward allocation is performed from the root public resource pool and the root internal reserved resource pool of the root node according to the resource allocation instruction; when an externally input resource occupation application is received, obtaining an application user, an application resource and an applied occupation tree node of the resource occupation application, judging whether a user reserved resource in the occupation tree node meets the application resource or not, and if the user reserved resource does not meet the application resource, checking whether a superior public resource meets the application resource or not. According to the invention, the flexibility of resource allocation is enhanced.

This application relates to a vacuum drying apparatus for highly consistent film formation, comprising a housing with a sealed processing chamber inside; a negative pressure component connected to the processing chamber via multiple air extraction ports; and a flow equalization component located at the top inner edge of the housing for equalizing the airflow generated by the negative pressure component. The flow equalization component includes multiple flow equalization plates, each with multiple uniformly distributed flow equalization grooves on its top surface, and multiple through-hole air extraction holes at the bottom of each groove. Multiple flow equalization plates are stacked sequentially, with the top plate of the stack pressed against the top inner edge of the housing. Multiple air extraction holes on the upper flow equalization plate are connected to multiple flow equalization grooves on the lower flow equalization plate. This application utilizes the flow equalization component to perform multi-layer flow equalization and stabilization treatment on the high-speed, concentrated airflow before applying it to the processing chamber. This ensures the uniformity of the airflow on the film surface while maintaining the extraction rate, and the airflow is gentler, thus ensuring consistent film formation and improving film quality.

This invention provides a cathode plate, a fuel cell, and a vehicle. The cathode plate is used in a proton exchange membrane fuel cell. The cathode plate includes a separator and a flow field plate. One side of the separator is attached to the anode plate of the fuel cell, and the flow field plate is attached to the other side of the separator. The side of the flow field plate facing the separator has a plurality of uniformly spaced, protruding scale walls that face the separator. The scale walls and the flow field plate form a main flow channel unit. The spacers between adjacent main flow channel units and the separator form an intermediate flow channel unit. Fluid on the side of the flow field plate facing the separator can flow in the main flow channel unit and the intermediate flow channel unit.

The present application relates to a kind of needle punching carbon / carbon-copper composite felt body shaping method, belong to the field of materials for electric locomotive.The present application is based on industrialized production process, it is found that carbon fiber-copper felt body with copper mesh of large size weaving is prone to uncontrollable deformation in subsequent processing process, first proposes to obtain the product with excellent shaping by using special pre-impregnation-curing process and recarbonization.In the process of exploration, it is found that when the preform is placed into the box, the woven felt is flat, the offset angle of the woven carbon fiber and copper wire in the product is small, and the offset quantity is also small.The present application is simple and controllable, and is easy to be industrialized.

The present application discloses an ammonia desulfurization method and its application that significantly reduces ammonia escape, and belongs to the technical field of flue gas ammonia desulfurization. The desulfurization method comprises the following steps: (1) the flue gas enters the concentration and cooling section from the flue gas inlet and is cooled to below 60°C; (2) the flue gas then rises to the absorption section and passes through the first packing layer, the second spray mechanism and the first-stage demister for defog, and then enters the purification section; (3) the flue gas passes through the second packing layer and water washing in the purification section to capture ammonium sulfate and excess ammonia, and then passes through the combined demister for defog, and then enters the chimney to meet the emission standards; (4) compressed air enters the oxidation section to oxidize the absorption liquid refluxed from the absorption section, and the liquid formed after full oxidation is then sent to the absorption section for spraying. This method can significantly reduce the amount of ammonia escape while also improving the absorption efficiency of sulfur dioxide in the flue gas, fundamentally and significantly reducing ammonia escape, and avoiding the occurrence of aerosol phenomenon.

The utility model relates to a redistribution device of a formaldehyde absorption tower. The redistribution device comprises a packing layer, a partition plate and a concave liquid phase collector, the packing layer is arranged in the formaldehyde absorption tower; the partition is arranged at the upper end of the filler layer in parallel; a plurality of concave liquid phase collectors are fixed on the partition plate; reaction liquid collected by the concave liquid phase collector is guided into the filler layer. The redistribution device of the formaldehyde absorption tower is matched with an original reaction liquid distributor and an original packing layer in a formaldehyde reaction tower for use, reaction liquid collected by the V-shaped concave liquid phase collector is guided into the packing layer, so that the reaction liquid is buffered and redistributed, the reaction liquid is continuously contacted with the packing layer below, and the quality of the reaction liquid is improved. The technical problems of non-uniform gas-liquid distribution and increased pressure drop caused by the fact that a large amount of reaction liquid is directly sprayed on a packing layer by an original reaction liquid distributor in the formaldehyde absorption tower can be prevented.