6results about How to "Short delivery path" patented technology

The application provides a device for rapid heat exchange based on heat conduction and medium phase change, which comprises at least one set of heat exchange components, a hydrogen heat exchange part, an air heat exchange part and an integrated device shell; the hydrogen heat exchange part is arranged in the integrated device shell along a first direction, the air heat exchange part is arranged in the integrated device shell along a second direction, the first direction intersects with the second direction; the hydrogen heat exchange part is located above the air heat exchange part, high-temperature gas after heat exchange of the air heat exchange part rises and exchanges heat with low-temperature hydrogen gas of the hydrogen heat exchange part above, low-temperature gas after heat exchange of the hydrogen heat exchange part descends based on gravity and exchanges heat with the air heat exchange part below again, and the air and the hydrogen are reciprocally circulated, high-temperature air is cooled, low-temperature hydrogen is heated, and rapid heat exchange is realized. The application effectively improves the integration degree of the whole machine, reduces the capacity of the cooling liquid in the heat management system, improves the response speed of the system temperature control, and improves the robustness of the heat management system.

The invention relates to the technical field of ice making equipment, and provides an evaporator assembly and ice making equipment. The evaporator assembly comprises a first ice-making box body and a second ice-making box body which are both provided with ice grids, the back face of the first ice-making box body is fixedly connected with the back face of the second ice-making box body, and an evaporation cavity used for containing refrigerants is formed between the first ice-making box body and the second ice-making box body; at least one of the first ice-making box body and the second ice-making box body is provided with a refrigerant inlet and a refrigerant outlet which are communicated with the evaporation cavity, and the positions of the refrigerant inlet and the refrigerant outlet are configured to be used for filling the evaporation cavity with a refrigerant so as to perform heat exchange on the first ice-making box body and the second ice-making box body at the same time. The two ice-making box bodies are arranged in a back-to-back mode and share one evaporation cavity, one evaporator shell and part of pipelines are omitted, the overall size and occupied space of the structure are reduced, and the reliability of long-term operation of the structure is improved.

The application belongs to the field of household appliances, and discloses an oven, which comprises a box body, a fan cover, a first heating element, a first fan, a second heating element and a heat dissipation element. The fan cover divides the inside of the box body into a cooking cavity and a hot air cavity, and the hot air cavity is provided with an air inlet and an air outlet. The second heating element is arranged at the top of the cooking cavity, and the air outlet comprises a first air outlet facing the second heating element. The heat dissipation element is connected with the second heating element, and the side of the heat dissipation element facing the first air outlet is provided with a wind guide surface for guiding the airflow flowing through the second heating element downward to a food placement area. The oven guides the hot air circulation airflow to the second heating element and the heat dissipation element, expands the heat exchange area by using the heat dissipation element, forces the airflow to carry away heat and is directionally guided through the wind guide surface, reduces the accumulation and dissipation of heat at the top, improves the thermal efficiency, shortens the preheating time, improves the temperature uniformity of the cooking cavity, and helps to prolong the service life of the second heating element and the nearby devices.

The invention relates to the technical field of battery processing equipment, in particular to coating and drying equipment. The coating drying equipment comprises an unwinding mechanism and a drying mechanism, the coating mechanism is positioned at the downstream of the unwinding mechanism; the drying mechanism comprises a heating tank, and the heating tank is positioned at the downstream of the coating mechanism; and the winding mechanism is positioned at the downstream of the heating tank. According to the coating drying equipment, the drying efficiency is high, and cracks are not prone to occurring on the surface of the catalyst layer.

The application discloses a preparation process of a surface composite protective coating of a neodymium-iron-boron magnet. The process utilizes the magnetostrictive effect of the magnet to drive the coating densification, comprising: providing a magnetized sintered neodymium-iron-boron magnet; coating a precursor coating containing low-melting-point metal alloy nanoparticles and graphene nanosheets; placing the magnet in an alternating magnetic field, and through three-stage variable-frequency vibration densification treatment, i.e. low-frequency driving macroscopic flow leveling, medium-frequency utilizing the intrinsic relaxation of the particle system to realize quasi-resonance rearrangement, and high-frequency driving pore collapse and interface diffusion, the porosity of the coating is reduced to below 1%, and the magnetic field strength is limited to 0.02-0.1 times the intrinsic coercive force of the magnet to ensure that the magnetic performance is not damaged; supplemented by semi-solid thixotropic heating, pulse current flash sintering and silane hole sealing treatment. The obtained composite coating has a gradient dense structure, the porosity is less than 1%, the interface shear strength is more than 30 MPa, the irreversible magnetic flux loss of the magnet substrate is less than 2%, and the process is green and simple.