41results about How to "No cooling effect" patented technology

The invention discloses a controller for limiting inside temperature of a switch cabinet, and the controller comprises a controller outer box, and further comprises a heat control box, a cold controlbox and a heat absorption tube, wherein the heat control box and the cold control box are arranged inside the controller outer box, the heat absorbing tube is installed outside the controller outer box, the heat control box and the cold control box are separated by a heat insulating layer, a plurality of resistance coils are installed inside the heat control box, a water tank is installed inside the cold control box, a sealed box is installed above the water tank, and one end of the water tank is installed with one end of the heat absorbing tube. The controller of the invention, from the pointof view of the temperature controller itself regulating the internal temperature of the circuit box, provides a temperature to guarantee the normal operation of the circuit box when exceeding the normal working temperature in an extremely cold environment, and delays the burning temperature inside the circuit box through the heat absorption of chemical reaction in an extremely hot environment, sothat the circuit box can be safely used to delay the occurrence of danger.

The invention discloses a method for solving the obstruction of a hollow lead of a generator stator bar and inhibiting the corrosion of the hollow lead. The method comprises the following steps: pickling for descaling, activating, and prefilming, wherein a composite acid used in the pickling step comprises, by weight, 65-92 parts of aminosulfonic acid and 8-35 parts of hydrofluoric acid, and a prefilming agent used in the prefilming step comprises, by weight, 35-45 parts of tolyltriazole, 40-44 parts of 2-mercaptobenzothiazole, 10-25 parts of benzotriazole and 10-15 parts of hydroxypropyl methyl cellulose. The method can realize the thorough solving of copper corrosion deposits adhered in the hollow lead and the formation of a firm molecular film in the hollow lead without corroding other metal materials in the cooling water system of the generator stator, effectively prevents the direct contact of copper atoms with cooling water, and substantially inhibits the electrochemical corrosion of copper in the cooling water with a low pH value.

The invention discloses a flat tea pressing machine. The flat tea pressing machine comprises a drying machine, a cooling device and a pressing device. The cooling device comprises a cooling frame and a lifting machine. The lifting machine is provided with a conveying belt used for conveying tea leaves. The pressing device comprises a plurality of vibration grooves arrayed in a stepped manned, a roller couple is arranged between the adjacent upper and low vibration grooves and supported by an inlet of the lower vibration groove, an upper vibration groove outlet is formed over a pressing seam in the middle of the corresponding roller couple, each roller couple and the corresponding lower vibration groove are connected through a rotating rod, and each lower vibration groove is connected with a tea outlet hopper. The stir-frying machine carries out drying and pressing independently, dried tea leaves become lower in brittleness after being cooled through the cooling frame, and tea dust is not prone to appearing. Each roller couple is composed of two rollers, wherein one roller rotates clockwise, the other roller rotates anticlockwise, when cooled tea leaves are put into the seam between the two rollers, the two rollers will produce pressure for the tea leaves, two kinds of pressure press the tea leaves, and the tea leaves can be shaped more quickly and durably.

The invention discloses an electrical cabinet. An upper ventilation pipe and a lower ventilation pipe are arranged on a cabinet body, an upper air chamber is arranged at an upper part of a back package cavity of the cabinet body, a lower air chamber is arranged at a lower part of the back package cavity, an air outlet chamber is arranged at the center of the back package cavity, an air outlet door is hinged with the middle part of the back package cavity, an exhaust fan is arranged on the air outlet door, and an upper ventilation hole and a lower ventilation hole are formed in a back plate. The invention also discloses a heat dissipation system of the electrical cabinet. A basement is arranged below a ground plate of a power distribution room, an air duct is arranged above the electrical cabinet, an exhaust pipe is connected with the top of the air duct, an air blower is arranged outside the power distribution room, a hot air cabinet is fixedly arranged on a side surface of the air duct, upper air holes are formed in a bottom surface of the air duct and are in one-to-one correspondence to the electrical cabinets, and lower air holes are formed in the ground plate of a power distribution cabinet and are in one-to-one correspondence to the electrical cabinets. The electrical cabinet has the advantages that hot air can be borrowed from the electrical cabinet aside to increase the temperature of the electrical cabinet when the temperature of the electrical cabinet is excessively low, the condensation-preventing cost is lower, meanwhile, independent or centralized heat dissipation can be achieved, and the heat dissipation effect is good.

The invention discloses a mold for producing Longlu capsules, comprising a steel plate, a mold column and a handle; the main body of the mold column is a cylinder, and the bottom end is a semicircle; Air inlet and outlet; the air passage is an arc-shaped flared structure; the smaller end of the vertical section of the air passage is fixedly connected with the air hole, and the other end is fixedly connected with the air inlet; the main body of the air inlet is a cylinder The bottom end is semi-circular or semi-elliptical; the cross section of the main body of the air inlet is annular; the annular center of the air inlet is provided with an air outlet; the cross section of the air outlet is circular, and the circular edge and the air inlet The edges of the annular inner ring are overlapped; an annular wall is arranged at the overlap of the air outlet and the air inlet; the steel plate and the die column are detachably connected with threads; The mold for producing Longlu capsules of the invention has the advantages of rapid exhaust, rapid cooling, easy demoulding, easy disassembly, and high productivity.

The invention relates to a 160km / h express freight car brake pad for preventing thermal cracking of the brake disc and a manufacturing method thereof. The 160km / h express truck brake pads for preventing heat cracking of the brake discs include the following components and weight percentages: boron modified phenolic resin 20%-40%, butyl rubber 10%-18%, reinforcing fiber 6% ‑10%, carbon fiber 10%‑18%, sepiolite fiber 1%‑5%, vermiculite 1%‑8%, fluorite 2%‑8%, magnesium oxide 2%‑9%, clay 2%‑8 %, dispersant 0.2%‑3%. Compared with the prior art, the brake disc of the invention has a lower density, is more convenient to use, and can reduce vehicle quality. The brake pad of the present invention has a microporous structure, and the micropores play the role of heat dissipation, which can effectively reduce the friction temperature, the friction coefficient does not decline at a high temperature of 600°C, and the brake disc has no hot spots and cracks, effectively protecting the couple. The wear of the brake pads is low and the service life is longer than that of similar products.

The invention relates to a machining method of a high-quality large-diameter thin-wall barrel body. The machining method comprises the following steps. Firstly, isothermy or hot die anti-extrusion technology is utilized, and anti-extrusion is performed on an alloy forging rod. Secondly, machining is performed on the inner and outer surfaces of a spinning barrel billet, and finish turning is performed on the inner surface of the barrel bottom of the barrel billet. Thirdly, multi-pass brute force thinning spinning is performed on the machined spinning barrel billet, and the spinning is hot spinning or cold spinning. Fourthly, intermediate heat treatment is performed on a spinning semi-finished product, and the intermediate heat treatment is annealing or solution treatment. Fifthly, the third step and the fourth step are performed repeatedly and alternatively so that finished product spinning is performed. Sixthly, scouring and cleaning are performed on the barrel body, and finished product heat treatment is performed. Seventhly, polishing of the inner and outer surfaces of the barrel body after heat treatment in the sixth step is performed, and a finished product barrel body is obtained. By adoption of the machining method of the high-quality large-diameter thin-wall barrel body to machine a large-diameter thin-wall metal barrel body without welding lines, organization is even and fine, comprehensive performance is high, the process is short, product additional values are high, and good application and popularizing prospects and certain economic and social benefits are achieved.

The invention belongs to the field of thick slab rolling and hot working, and particularly relates to a non-water-cooling furnace door of a slab heating furnace. The furnace door comprises side plates, and further comprises a plurality of sets of transverse rib plates and a plurality of sets of longitudinal rib plates, wherein the transverse rib plates and the longitudinal rib plates are located between the side plates. Each transverse rib plate comprises an inner transverse rib plate body and an outer transverse rib plate body, wherein the inner transverse rib plate body is perpendicular to the side plates and inclines upwards, an angle of inclination is formed between the inner transverse rib plate body and the horizontal plane, the lower end of the inner transverse rib plate body is connected with one side of a front face plate, the other side of the front face plate is fixedly connected with the outer transverse rib plate body, the outer transverse rib plate body is respectively perpendicular to the front face plate and the side plates, and the inner transverse rib plate body is provided with a plurality of inner transverse rib plate body holes. The longitudinal rib plates are provided with a plurality of longitudinal rib plate holes. According to the non-water-cooling furnace door, thermal insulation materials cannot fall off when the furnace door is frequently opened and closed at the high temperature, the high-temperature resisting performance is good, the service life is long, the production and operation cost is low, the furnace door does not need water cooling through the transverse rib plates, the longitudinal rib plates and the rib plate body holes, and the overall deformation is very small when the furnace door is used at the high temperature for a long time.