37results about How to "Efficient cleaning operations" patented technology

Provided is a branching port which makes it possible to prevent generation of accumulated air and fluid retention and to properly maintain a branching site and the cleanliness therearound, which enhances cleaning effects by a cleaning solution, and which enables monitoring even with failure to remember to attach a cap. A branching port provided with: a housing having a branching flow path, and a main flow path comprising a fluid inflow path and a fluid outflow path; a cap detachably attached to the housing; and a valve body for releasing a shut-off between the main flow path and the branching flow path when the cap has been attached or when the cap is removed and a fluid-circulating means that enables a fluid to circulate has been attached; wherein the branching port is characterized in that a bypass path that branches from the fluid inflow path and communicates with the branching flow path when the cap is attached is formed, and an on / off valve that shuts off leakage of the fluid to outside the housing from a branching section branching from the fluid inflow path to the bypass path when the cap is removed is provided.

The invention discloses a photovoltaic array washing vehicle. The photovoltaic array washing vehicle comprises a proceeding chassis, a washing head supporting and positioning unit, a washing head unit, a water supply unit, an operation control unit and a vehicle body pose information collection device used for obtaining pose information of a vehicle body relative to the photovoltaic array, wherein a motion control component of a proceeding chassis steering system driving part is controlled by a main control module of the operation control unit; the washing head supporting and positioning unit comprises a movable base located at the head of the vehicle and a working arm set mounted on the movable base; the movable base comprises a rotation device and a transverse moving device; the working arm group comprises a main arm and an end arm capable of respectively pitching; the washing head unit comprises a washing brush, a water spraying part and a distance measuring sensor used for measuring the surface position and pose of a photovoltaic array board relative to the washing head unit; the main control module of the operation control unit takes a computer as the core of control. The invention also provides a method for washing the photovoltaic array by using the washing vehicle. The washing process is intelligent, efficient, flexible and safe, and is simple to operate, excellent in washing effect and low in usage cost.

The invention discloses a heating and heat preservation method of an aluminum alloy melt. The heating and heat preservation method comprises an aluminum alloy melt heating and heat preservation step, wherein in the step, an aluminum alloy melt heating and heat preservation device is used for carrying out heating and heat preservation on the melt; the aluminum alloy melt heating and heat preservation device comprises a furnace body, an electric heating element, a temperature controller and a temperature sensor; a containing cavity is formed in the furnace body; the containing cavity forms a melt temperature adjusting furnace chamber; the temperature sensor is mounted on the furnace body; the heating and heat preservation method is characterized in that the aluminum alloy melt heating and heat preservation step further comprises an indirect heating step; the indirect heating step comprises the step of forming a heating surface by utilizing an inner side face of a furnace lining of the furnace body; the heating surface is used for heating the aluminum alloy melt in the melt temperature adjusting furnace chamber. The heating and heat preservation method of the aluminum alloy melt, provided by the invention, has the advantages of simplicity and convenience for construction, uniform heating and uniform temperature distribution of a melting pool, easiness of mounting and replacing the electric heating element, convenience for cleaning molten slag of the melting pool and safety and reliability.