45results about How to "Easy to cool down" patented technology

A process for preparing diethyl zinc includes such steps as activating and drying Zn powder, adding it along with cuporous iodide and a quarter of the mixture of iodoethane and bromoethane into reactor, adding finished diethyl zinc as trigger, heating, adding rest of said mixture, heating, stirring while reacting, vacuum distilling and collecting product at a temp lower than -35 deg.C.

The present invention discloses a microbial strain production workshop temperature automatic regulating device. The microbial strain production workshop temperature automatic regulating device comprises a workshop body, a processor is arranged on a left side of a top part of an inner cavity of the workshop body, a temperature sensor is arranged on a right side of the top part of the inner cavity of the workshop body, and a mounting seat is fixedly connected with the top part of the inner cavity of the workshop body. Through arrangement of the workshop body, the processor, the temperature sensor, the mounting seat, a heating lamp tube, a mounting cover, first fans, a square tube, a communication tube, micropore spray heads and a second fan, the microbial strain production workshop temperature automatic regulating device can regulate temperatures inside the workshop body to be high or low, at the same time solves a problem that temperatures in traditional workshops cannot be automatically regulated, and overhigh or overlow temperatures cause adverse effects on growth of microorganisms, evenly leading to death of the microorganisms and directly causing economic loss. The microbial strain production workshop temperature automatic regulating device has an advantages of automatically regulating the workshop temperatures and is worthy of promotion.

The invention belongs to the field of mechanical processing, and in particular relates to a copper-tungsten arc gouging device. Copper tungsten arc gouging device, including: tungsten electrode head, copper pipe body, separator, water inlet pipe, water outlet pipe; Inner hole; the copper tube body is a cylindrical shell with a closed upper end and an open lower end, and the lower end of the copper tube body is fixedly connected with the cylinder of the tungsten electrode head; a partition is arranged inside the copper tube body along the axial direction of the copper tube body, and the partition The copper pipe body is divided into a water inlet chamber and a water outlet chamber along the axial direction of the copper pipe body. The closed end of the copper pipe body is provided with a water inlet pipe and a water outlet pipe. The water inlet pipe is connected with the water inlet chamber, and the water outlet pipe is connected with the water outlet chamber. The present invention is simple in structure, easy to use, the connection between the copper tube body and the tungsten electrode head is firm, and a water circulation system is provided inside, which is easy to reduce heat; the discharge of the tungsten electrode head is adopted, the arc is stable, the incision groove is formed flat, and it is beneficial to the process of root cleaning and the like. Achieve mechanization.

The invention belongs to the technical field of welding, and particularly relates to a single-sided welding copper liner device with water cooling and back protection and a corresponding welding method. By circulating cooling water and shielding gas inside a copper liner, the good welding forming effect of workpieces to be welded is ensured, many beneficial effects of reducing welding deformation,prolonging the service life of the liner, preventing oxidation inclusion on the back of a weld seam, refining weld seam grains, improving the tensile strength of the weld seam and the like are realized, and the single-sided welding copper liner device is suitable for various electric-arc welding methods.

The invention relates to a multi-purpose bowl, belonging to the field of bowls. A bowl sleeve is arranged on the outer side of a bowl body, two pull rings are symmetrically arranged on the edge of the bowl body, the pull rings and the bowl body are connected through steel wire ropes, and the bowl bottom penetrates through the bowl sleeve to support the bottom of the bowl body. According to the multi-purpose bowl, the bowl sleeve is arranged for insulating heat, so that the high-temperature food cools down slowly, and meanwhile, fingers are protected from being scalded; the pull rings are arranged, so that the bowl can be carried conveniently, and the pull rings also can be used for pulling up the bowl body; the movable bowl bottom is arranged and can move up and down in the bowl sleeve, so that the movable bowl bottom can be lifted down during carrying and be lifted up during placement, namely, during carrying, the bowl body is positioned below the bowl sleeve and food is protected from being contaminated by the outside, and when placed on the table top, the bowl body is positioned above the bowl sleeve, so that the use is convenient. The multi-purpose bowl is convenient to carry, has the heat insulation effect, plays the role in protecting the food from being contaminated, and is simple in structure and convenient to use.

The invention discloses a welding device applied to an internal superconductive connector in NbTi / Cu superconductive coil and method thereof. The device comprises a temperature control unit, a welding main platen, a welding size pressing unit and a thermal insulation unit, wherein the temperature control unit comprises a heating rod, a temperature sensor and a temperature control instrument; a power is connected with the heating rod and the temperature sensor through the temperature control instrument, the heating rod is distributed on the welding main platen, the temperature sensor is distributed at the position adjacent to a welding face of the welding main platen, the welding main platen is in a shape like a Chinese character Tu, superconductive wire connectors are tightly pressed on the welding main bench board through the welding size pressing unit, the welding size pressing unit is composed of two sets of pressing strips, the two sets of the pressing strips are both fixed to the upper end and the lateral side of the welding main bench board through screws, and the superconductive wire connectors are arranged at the corners of the pressing strips and the welding main platen. According to the device disclosed by the invention, the internal connector of the coil can be welded through the adjustable welding device, and the connector size can meet a requirement.

The application provides a rotary color masterbatch cooling device, which includes a cooling box, a conical feed inlet arranged on one side of the upper part of the cooling box, a discharge outlet arranged above the conical feed inlet, a conical feed inlet The conveying device on the inner upper part of the cooling box below the mouth, the exhaust structure arranged in the cooling box, the cooling device connected with the exhaust structure, the material cleaning device arranged at the bottom of the cooling box and multiple discharge ports. A spiral air duct is provided at the tapered feed inlet of this application, which is convenient for preliminary cooling of the color masterbatch. There is a feeding device to extend the time of the masterbatch in the box, and at the same time, there is a second exhaust plate between the upper conveyor belt and the lower conveyor belt, which greatly improves the cooling effect of the color masterbatch; the outer box and the inner box There is a first air exhaust plate between them, which further improves the cooling effect of the color masterbatch, and a material cleaning device is installed at the bottom of the box, which is convenient for separating the bonded color masterbatch.