6results about How to "Avoid flow dead zones" patented technology

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 utility model relates to a reaction kettle stirring device and a reaction kettle, and belongs to the field of mechanical stirring devices, the reaction kettle stirring device comprises a driving device, a transmission device and stirring blades, and the stirring blades at least comprise a first blade and a second blade; the reversing stabilizing mechanism comprises a bracket, a fixed bevel gear and a rotating bevel gear; the transmission device comprises a first transmission shaft and a second transmission shaft which are vertically arranged, and the first transmission shaft and the second transmission shaft are coaxially connected through a reversing stabilizing mechanism; the two fixed bevel gears are vertically and oppositely arranged, and the two rotating bevel gears are transversely and oppositely arranged; the first paddle is fixedly connected to the first transmission shaft, and the second paddle is fixedly connected to the second transmission shaft; the fixed bevel gear and the rotating bevel gear are in meshing transmission to drive the first transmission shaft and the second transmission shaft to rotate oppositely and reversely so as to drive the first paddle and the second paddle to rotate oppositely and reversely. Reverse rotation of the blades is achieved, and reverse thrust torque generated in the rotation process can be counteracted to reduce the influence on the driving device.

A dialysis desalination and gas-liquid two-phase flow self-cleaning hollow fiber membrane system relates to the technical field of membrane separation, and comprises a square bottom support frame, the bottom support frame is grounded, two groups of vertical fixing frames are welded on the upper surface of the bottom support frame, the vertical fixing frames are C-shaped frames with downward openings, an integrated box is fixedly clamped between the two groups of vertical fixing frames, and the integrated box is connected with the bottom support frame. A dialysis desalination assembly is arranged in the integration box, a gas phase cleaning assembly is further arranged on the integration box, a liquid storage tank is arranged on one transverse side of the integration box, and an electric control box is arranged on one longitudinal side of the liquid storage tank. The problems that an existing high-salinity wastewater treatment technology is high in energy consumption, insufficient in separation precision, inflexible in system operation, large in occupied area, low in function integration level, difficult to continuously and stably operate and the like, and a membrane assembly is prone to being polluted and difficult to clean are solved.

The application provides a mixer of a U-shaped post-processing device, which optimizes the structure of the mixer, further prolongs the mixing stroke of the mixer, accelerates the rotating speed of the airflow, makes the urea and ammonia fully react, and reduces the risk of urea crystallization; an air inlet guide plate is arranged vertically at an air inlet; the airflow entering from the air inlet is divided into two airflows by the air inlet guide plate and enters the airflow channel between the inner cylinder and the outer cylinder; a channel separation plate is arranged in the airflow channel; the air inlet guide plate extends into the airflow channel; the air inlet guide plate and the channel separation plate separate the airflow channel into two parts; the inner cylinder is provided with a rotating flow fin, and a gap is left between the rotating flow fin and the outer cylinder; the inner cylinder is provided with an airflow inlet corresponding to the rotating flow fin; the inner cylinder is provided with a urea airflow inlet corresponding to the channel separation plate; and the outer cylinder is provided with a urea nozzle facing the urea airflow inlet.

The utility model belongs to the technical field of wastewater treatment equipment, and particularly relates to a fly ash solidification wastewater treatment pond purifying agent mixing device which comprises a mixing barrel, a plurality of groups of supporting legs are fixedly connected to the bottom end of the mixing barrel; a cover body is arranged at the top end of the mixing barrel; feeding holes are symmetrically and fixedly connected to the side wall of the cover body; supporting rods are symmetrically and fixedly connected to the top end of the cover body; the side wall of the supporting rod is fixedly connected with a servo motor. The output end of the servo motor is fixedly connected with a rotating shaft; through the arranged baffle body structure, the design is simple and convenient to operate, fluid can be prevented from forming a single circulation path through the baffle body, a flowing dead zone is avoided, the fluid forms a complex flow field in the tank body, and therefore a purifying agent and waste water are promoted to be fully mixed; the mixing effect and the treatment efficiency of the purifying agent and the material in the fly ash curing wastewater treatment tank can be further improved.

The invention discloses a light-weight efficient direct cooling plate for a power battery of a new energy automobile, which comprises an upper bracket direct cooling plate, the upper bracket direct cooling plate and a lower protection direct cooling plate are connected together, a sealing gasket is arranged between the upper bracket direct cooling plate and the lower protection direct cooling plate, and the upper bracket direct cooling plate and the lower protection direct cooling plate are respectively provided with an upper insulating plate and a lower protection plate. A first-stage shunting branch cavity, a shunting collecting cavity, a second-stage shunting branch cavity, a third-stage micro-channel and a backflow channel are formed, a second-stage branch pipe is embedded in the second-stage shunting branch cavity, the first-stage shunting branch cavity is communicated with the shunting collecting cavity through the second-stage branch pipe, the second-stage branch pipe is communicated with the shunting collecting cavity through the third-stage micro-channel and the backflow channel, and the third-stage micro-channel is communicated with the backflow channel through the third-stage micro-channel. Two external pipe openings are formed in the side faces of the upper bracket direct cooling plate and the lower protection direct cooling plate. The direct cooling plate and the battery pack base are integrally designed to reduce weight, uniform heat exchange is achieved through a graded shunting and diversion structure, reliability is improved through double sealing, the asymmetric snakelike microchannel and an independent backflow adaptive thermal field are adopted, resistance is reduced, efficiency is improved, and the heat dissipation requirement of a power battery of a new energy automobile is met.