7results about How to "Warm up evenly" patented technology

The utility model discloses an efficient hot melting device for plastic granulation, which comprises a working table, a heating cylinder mounted on the working table, a feed port arranged on the right upper side of the heating cylinder, a first heater mounted on the outer side of the heating cylinder, an extrusion mechanism mounted in the heating cylinder, a preheating cylinder arranged above the heating cylinder and fixed on the working table, a feeding cylinder is mounted at the top of the preheating cylinder, a crushing mechanism is mounted in the feeding cylinder, a preheating mechanism extending into the preheating cylinder is mounted at the top of the preheating cylinder, a second heater is mounted in the preheating cylinder, the preheating mechanism comprises a rotating shaft, a cross plate, an electric heating rod and a driving mechanism, the rotating shaft is rotationally connected to the preheating cylinder, and the cross plate is fixed to the bottom of the rotating shaft; a plurality of electric heating bars are installed on the lower side of the cross plate, and a driving mechanism used for driving the rotating shaft to rotate is installed at the top of the preheating cylinder. According to the utility model, the plastic is fully preheated firstly and then is heated to a molten state, so that the temperature difference of temperature rise is smaller, and the working efficiency is higher.

The present application relates to a kind of aero-engine cold start auxiliary staged preheating system and control method, belong to aero-engine starting technical field;The present application is integrated preheating treatment to engine fuel, in-cylinder mixture thermodynamic state (in-cylinder thermal atmosphere before ignition) and lubricating oil by pipeline fuel preheating device, oil outlet preheating device, cylinder sleeve preheating device and lubricating oil heat preservation preheating device, coupling combustion parameter control strategy, according to the temperature gradient of plateau alpine low temperature environment, design four levels of plateau alpine cold start feedback control strategy, so that aviation kerosene pressure combustion engine provides and implements reasonable preheating scheme according to different low temperature low pressure environment outside in plateau alpine condition, can effectively solve the problem that aviation kerosene pressure combustion engine is difficult to cold start, starting time is long, engine parts wear seriously and cold start stability is poor and the like in plateau alpine environment.

The invention relates to the technical field of box-type annealing, and provides a box-type annealing device and method.The box-type annealing device comprises a barrel-type annealing box, a soaking assembly with an air suction function, a sealing box cover and a material carrying power assembly with a self-defining function, and a plurality of heating assemblies are arranged on the barrel-type annealing box; the heat equalizing assembly is rotatably arranged at the bottom of the cylindrical annealing box and is used for uniformly introducing heat, the sealing box cover is arranged on the cylindrical annealing box through the lifting assembly and is in sealing contact with the cylindrical annealing box, and the material carrying power assembly is arranged on the sealing box cover and is used for carrying a metal material; and the driving component is used for driving the soaking component to rotate. By means of the technical scheme, the problem that in the prior art, when a box type annealing device conducts heat treatment on a metal material, the metal material is prone to being heated unevenly is solved.

The invention discloses a device for improving warping of a circuit board, and relates to the technical field of circuit boards. The device for improving the warping of the circuit board comprises a workbench and a hot pressing device, wherein a mounting plate is fixedly mounted on the surface of the working table, a servo motor is fixedly mounted above the mounting plate, and a storage table is fixedly mounted above the working table; wherein the hot pressing device comprises a pressing rod, a fixing frame, a hot pressing plate, a bearing table and a rubber strip, the pressing rod is fixedly installed at the output end of the servo motor, the fixing frame is fixedly installed below the pressing rod, the hot pressing plate is fixedly installed on the surface of the fixing frame, the bearing table is slidably installed above the workbench, and the rubber strip is fixedly installed on the bearing table. The device for improving the warping of the circuit board can effectively prevent the warping circuit board from being in direct contact friction with the bearing table and causing abrasion, improves the leveling effect of the warping circuit board, and avoids further abrasion and reduction of the service life of the circuit board.

The present invention discloses a waste gas incinerator using RTO treatment, which relates to the technical field of RTO treatment, and includes an incinerator, wherein at least two heat storage ceramic bodies are fixedly connected in the incinerator, wherein a fixed plate symmetrically distributed along the transverse direction of the incinerator is fixedly connected in the incinerator, wherein a positive plane wheel is rotatably connected in the fixed plate, and wherein a negative plane wheel is rotatably connected in the fixed plate. The present invention drives the positive plane wheel and the negative plane wheel to rotate in opposite directions through the waste gas, so that when the waste gas enters the heat storage chamber and contacts the heat storage ceramic body, it can be evenly dispersed, so that the waste gas is preheated more evenly, and the waste gas is prevented from being concentrated in the central area of ​​the heat storage ceramic body, thereby causing the heat of the rest of the heat storage ceramic body to not be absorbed by the waste gas, which on the one hand causes insufficient heat utilization, and on the other hand affects the preheating effect of the waste gas.

The application discloses an energy-saving natural gas internal combustion generator set, which is characterized by comprising a box shell, a generator set whole, an exhaust device, a filtering device and a preheating device; any side surface of the box shell in the width direction is provided with an air inlet, and the length direction side surface is provided with an air outlet; the exhaust device comprises an exhaust pipeline which extends upwards to the top of the box shell; the preheating device is arranged on the side surface of the box shell of the air inlet and is communicated with the air inlet; the preheating device comprises a plurality of heat exchange pipelines, and the gaps between the heat exchange pipelines are used for gas flow, so that the gas outside the box shell enters the box shell through the gaps; the preheating device further comprises an air inlet part and an air outlet part which are communicated with the two ends of the heat exchange pipelines; the air inlet part extends into the box shell and is communicated with the exhaust pipeline, and the air outlet part is communicated with the exhaust pipeline outside the box shell, so that the hot gas in the exhaust pipeline is introduced into the air channel and then is discharged into the exhaust pipeline through the air outlet part, thereby heating the cold gas flowing through the gaps and improving the temperature of the gas entering the box shell.

The utility model relates to the technical field of mineral aggregate sintering preheating, in particular to a thick material layer sintering device which comprises three baffles, separation frames are fixedly installed at the front ends of the lower surfaces of the three baffles, the opposite sides of every two adjacent separation frames are fixedly connected through a turning plate, and the thick material layer sintering device further comprises communicating pipes. The communicating pipe penetrates through the front end of the upper surface of the baffle; holes are formed in the two sides, below the baffle, of the communicating pipe respectively, and the combustor body is installed in the holes in a communicating mode. The device solves the problem that when the device in the prior art is used for preheating thick mineral aggregates, the mineral aggregates cannot be uniformly preheated.