13results about How to "Even flow distribution" patented technology

The utility model discloses a kind of smoke gas deflection-preventing fused salt furnaces, including furnace body, inner ring coil pipe, middle ring coil pipe, outer ring coil pipe, top coil pipe, sealing cover, burner and flue, the furnace body includes shell component, furnace base and furnace top cover, the lower end portion of the shell component is connected with the furnace base, the furnace top cover is connected on the upper end portion of the shell component, the shell component, the furnace base and the furnace top cover are enclosed to form furnace cavity, the inner ring coil pipe, the middle ring coil pipe and the outer ring coil pipe are sequentially arranged in the furnace cavity from inside to outside, the top coil pipe is arranged in the furnace cavity and located above the inner ring coil pipe and the middle ring coil pipe, and the outer peripheral portion of the top coil pipe is connected with the upper end portion of the outer ring coil pipe.The utility model can avoid smoke gas deflection, can make smoke gas evenly flow distribution in furnace, and then can improve the heat exchange efficiency between smoke gas and fused salt, reduce heat loss, reduce energy consumption, can also prolong the service life of furnace tube.

The utility model discloses a liquid cooling plate which comprises an upper cover plate and a lower cover plate, and a main flow channel is formed between the upper cover plate and the lower cover plate; the water inlet nozzle is communicated with the water inlet of the main flow channel and is used for allowing a refrigerant to flow in; the water outlet nozzle is communicated with a water outlet, corresponding to the water inlet, of the main runner and is used for allowing a refrigerant to flow out; the heat exchange columns are arranged in the main flow channel, and the densities of the heat exchange columns in different areas in the main flow channel are different. According to the liquid cooling plate, the plurality of heat exchange columns are arranged, so that the structural strength of the liquid cooling plate can be enhanced, the contact area between a refrigerant and the flow channel wall can be increased, and the heat exchange efficiency is improved. Besides, the heat exchange columns with different densities are arranged in different areas, so that the flow distribution of the refrigerant in the flow channel can be optimized, the refrigerant is uniformly distributed, and the uniformity of the heat dissipation performance of the liquid cooling plate is improved.

The invention provides a design method of a double-shaft excitation synchronous motor for power flow control, and belongs to the technical field of motors. In electromagnetic design, main design indexes of the double-shaft excitation synchronous motor are determined according to power flow control requirements; judging whether the output voltage is full-amplitude and full-phase or not and whether the core flux density is saturated or not; calculating electromagnetic performance under different slot division degrees, layer numbers and DQ axis included angles, and preliminarily screening a scheme; voltage distortion and loss of the preliminary screening scheme under the load are calculated, and optimal winding arrangement is determined; in the fluid-heat design, a universe ventilation fluid network of the double-shaft excitation synchronous motor is established, rotor three-dimensional fluid-heat transfer coupling calculation is carried out, and a surface heat dissipation coefficient is extracted; optimizing the ventilation structure by adopting a thermal network method; and the temperature rise and the thermal unbalance of the DQ-axis winding are verified. The method is provided for comprehensive design of the double-shaft excitation motor under power flow control in a novel power system, and the forward design problem of the double-shaft excitation motor under the series connection condition is solved.

The utility model discloses a pole cooling plate for a cylindrical battery, and belongs to the technical field of battery cooling. The cooling plate comprises two long-strip-shaped aluminum alloy plates which are the first cooling plate and the second cooling plate respectively, trapezoidal cooling flow channels which are arranged in parallel are formed in plate bodies, a contact interface used for being attached to a battery pole column is formed on one side of the cooling plate, and a protruding face is arranged on the other side of the cooling plate. Two ends of the cooling plate are respectively provided with an inlet and an outlet and connected with an external cooling system; the circular groove matched with the pole in shape is formed in the binding face, the contact gap is filled with heat conduction silica gel or a phase change material, and meanwhile, the space between the cooling plate and the battery is filled with insulating powder or provided with an insulating layer, so that the heat conduction efficiency is improved, and the electrical safety is guaranteed. The structure can realize synchronous cooling of a plurality of pole regions, improves heat dissipation efficiency, temperature control precision and module safety, and is suitable for heat management requirements of a new energy automobile battery pack and an energy storage system.

The present application relates to the technical field of petroleum chemical industry, in particular to a kind of heterogeneous synthesis device and method of cyclohexanone oxime.The synthesis device of the present application includes vortex reactor, rotating rod and stirrer;By inserting rotating rod in vortex reactor, annular reaction zone with gap size of 0.5mm-5mm is formed, under the dual action of microscale effect and rotating field, mass transfer resistance is reduced, reaction liquid and catalyst particles are fully contacted, and reaction liquid can be broken into smaller droplets under the shear force provided by rotating field, so that the contact area of oil-water two phases is increased, fully emulsified, uniformly mixed, and the flow distribution of catalyst particles is more uniform, the efficiency of catalytic reaction is improved;At the same time, the concentration distribution of hydrogen peroxide in annular reaction zone is controlled by cooperating with multi-stage feeding mode of hydrogen peroxide, so that the concentration of hydrogen peroxide is matched with the rate of catalytic reaction, thereby improving the utilization rate of hydrogen peroxide, and realizing the efficient synthesis of cyclohexanone oxime.

The application relates to the technical field of household appliances, and particularly provides a clothes processing device, which aims to solve the problem of clothes drying effect influenced by uneven airflow distribution in the clothes processing device. For the purpose, the clothes processing device comprises a cylinder body with a clothes containing cavity in the inside, an air inlet is arranged on the cylinder body, a shell is internally formed with an air duct, the air duct is communicated with the air inlet, a wind deflector is arranged in the air duct, the wind deflector divides the air duct into multiple sub-passages, a fan assembly comprises a volute connected with the shell and a fan arranged on the volute, the inside of the volute is communicated with the air duct, and one end of the wind deflector extends to the side where the volute is located. The application can reduce the generation of vortex flow in the air duct, reduce the noise caused by the vortex flow, improve the uniformity of airflow distribution in the air duct, improve the uniformity of airflow at each position in the cylinder body, and improve the clothes drying effect.

The present invention provides a boiler waste heat utilization device, including a shell, wherein a plurality of staggered heat exchange tubes are arranged inside the shell, and the ends of the heat exchange tubes are respectively connected to two water collecting tanks, the water collecting tanks are fixed on the outer wall of the shell, and the two water collecting tanks are connected to the corresponding water circulation heating system; the bottom and top of the shell are respectively connected to an air inlet pipe and an air outlet pipe, and the air inlet pipe is connected to the flue gas outlet of the boiler; a mixed flow component, wherein the mixed flow component is arranged at the inner cavity of the air inlet pipe, and the mixed flow component includes a floating part and a guide part connected to the floating part in a transmission manner, wherein the floating part slides in the vertical direction and drives the guide part to expand and contract, and the floating part is driven to float by the boiler flue gas. The present invention drives the floating part and the mixing part to be dynamically adjusted by the rising force of the high-temperature flue gas, thereby realizing the optimization of the flue gas flow path, the regulation of the flow rate, and the maximization of the thermal energy utilization rate.

The utility model provides a disassembly-free water-cooling heat exchange dry type continuous casting roller, and relates to the technical field of steel continuous casting. Comprising N water-cooled heat exchanger roller sleeves, a mandrel, a rotary joint, a flow guide pipe fitting, N plugs, P split bearing assemblies and two end bearing seat assemblies, wherein P is equal to N-1; a cooling water channel is arranged in the direction from the inner wall to the outer wall of each roller sleeve, cleaning holes communicated with the cooling water channel are formed in the two side faces of each roller sleeve respectively, and each cleaning hole is provided with a detachable plug. End bearing seat assemblies are installed at the two ends of the mandrel, and a split bearing assembly is installed between the adjacent water-cooled heat exchanger roller sleeves. According to the disassembly-free water-cooling heat exchange dry-type continuous casting roller, the cooling effect is improved, the cooling waterway channel can be cleaned under the condition that the roller sleeve and the mandrel are not disassembled, the waterway channel is prevented from being influenced by incrustation scale or other obstacles, the using effect of the continuous casting roller is improved, and the service life of the continuous casting roller is prolonged.

The invention relates to the technical field of automobile heat management, in particular to a plate heat exchanger which comprises a plurality of circulation plate assemblies which are sequentially arranged in a stacked mode, each circulation plate assembly comprises a first plate piece and a second plate piece which are the same in structure, and the second plate piece is stacked with the first plate piece after rotating by 180 degrees. The first plate sheet is provided with a rectangular body part, the center position of the body part is provided with flow dividing protrusions, the flow dividing protrusions comprise the first type of protrusions, the second type of protrusions and the third type of protrusions, and the first type of protrusions, the second type of protrusions and the third type of protrusions divide the first circulation space into a plurality of V-shaped flow channels. Therefore, fluid can flow from the first side of the first plate sheet to the other side through the V-shaped flow channel and then flow back to the first side in a baffling mode, the fluid is evenly distributed, and the heat exchange effect is good. In addition, fluid can be strongly disturbed through the first type of protrusions, the second type of protrusions and the third type of protrusions, so that the purpose of enhancing heat exchange is achieved, and the heat exchange efficiency is high.

The invention provides a boiler waste heat utilization device which comprises a shell, a plurality of heat exchange pipes arranged in a staggered mode are arranged in the shell, the heads and the tails of the heat exchange pipes are connected to two water collection tanks respectively, the water collection tanks are fixed to the outer wall of the shell, and the two water collection tanks are connected into corresponding water circulation heating systems; the bottom and the top of the shell are connected with an air inlet pipe and an air outlet pipe respectively, and the air inlet pipe is connected to a smoke outlet of the boiler. The flow mixing assembly is arranged at the position of an inner cavity of the air inlet pipe, the flow mixing assembly comprises an upper floating part and a flow guide part in transmission connection with the upper floating part, the upper floating part slides in the vertical direction and drives the flow guide part to expand and contract, and the upper floating part is driven by boiler flue gas to float upwards. Dynamic adjustment of the floating part and the flow mixing part is driven through the rising force of high-temperature flue gas, and optimization of the flue gas flow path, regulation and control of the flow speed and maximization of the heat energy utilization rate are achieved.

The utility model relates to the technical field of treadmills, and particularly discloses a treadmill hidden type refueling mechanism which comprises a refueling groove, a refueling hose and a refueling nozzle, the refueling groove is fixedly installed at the bottom of a running board of a treadmill, a plurality of oil dripping holes are formed in the bottom of the refueling groove, and the refueling nozzle is fixedly installed on the side face of a base of the treadmill. The installation height of the oil filling nozzle is larger than that of the oil filling groove, the oil filling hose is connected between the oil filling nozzle and the oil filling groove, and a decorative cover for covering the oil filling nozzle is detachably arranged on the side face of the base. The oil filling groove is fixed at the bottom of the running plate and floats up and down along with the running plate, so that the oil filling groove is prevented from being extruded and damaged by up-and-down floating during running, and lubricating oil in the oil filling groove can be driven to flow and be distributed more uniformly by treading the running plate. The refueling hose is flexibly connected with the refueling nozzle of the refueling tank box, so that the phenomenon of oil leakage caused by up-down floating of the running plate can be greatly reduced.

The invention discloses a power battery liquid cooling plate with a pipeline structure, which comprises an upper sealing plate, a liquid inlet pipeline and a liquid outlet pipeline are inserted in the middle of one side of the top of the upper sealing plate, the liquid inlet pipeline and the liquid outlet pipeline are arranged side by side, and a runner plate communicated with the liquid inlet pipeline and the liquid outlet pipeline is mounted at the bottom of the upper sealing plate. A plurality of flow dividing assemblies used for enabling cooling fluid to flow in a dispersed mode are installed on the flow channel plate, an extension plate is installed in the middle of one side of the flow channel plate, a human-shaped groove channel extending to the flow channel plate is formed in the extension plate, and liquid cooling pipelines arranged in a multi-stage S shape are arranged on the two sides of the top face of the flow channel plate. According to the liquid cooling system, the relative balance of the temperature of the liquid cooling water in each area in the liquid cooling system can be effectively improved, so that the cooling reaction is faster, the heat change can be coped with more timely, the dynamic performance of the system is improved, in addition, the flow distribution of the liquid cooling water is more uniform, dead zones are reduced, and local overheating or cooling is avoided.

The invention relates to a 3D diversion temperature management system of an air-cooled energy storage battery cabinet, and belongs to the technical field of heat management systems of air-cooled energy storage battery cabinets. The temperature management system comprises a cabinet body and an air conditioner, multiple layers of battery packs are arranged in the cabinet body, a fan is arranged at the front end of each battery pack, a 3D flow guide cover is arranged at the top of the cabinet body, a composite flow channel communicated with an air outlet of the air conditioner is formed in the 3D flow guide cover, and the composite flow channel comprises an upper flow channel and a lower flow channel. And the lower runner consists of a main runner and a plurality of auxiliary runners. Cold air flow entering the battery cabinet is guided and shunted through the composite flow channel in the 3D flow guide cover, one part of the cold air flow enters the battery pack from an opening in the rear end of the battery pack, the other part of the cold air flow enters the front portion of the battery pack from an opening in the side face of the battery pack, then the air flow in the battery pack is pumped out through the fan, the overall temperature uniformity of the battery cabinet is improved, and the service life of the battery cabinet is prolonged. And the service life of the battery can be prolonged.