32results about How to "Solve the problem of uneven cooling" patented technology

A permanent magnet motor, a refrigeration compressor, and an air conditioning unit. A stator (20) and a rotor (30) are mounted in a housing (10) of the permanent magnet motor. An inner cavity of the housing (10) is partitioned to form a first inner cavity (10a) and a second inner cavity (10b). An axial ventilation hole (213) communicated with the first inner cavity (10a) and the second inner cavity (10b) is disposed on a tooth portion (212) of a stator core (21) of the stator (20), and the axial ventilation hole (213) is a taper hole extended along a height direction of the tooth portion (212). The width of one end, close to the head (212a) of the tooth portion, of the axial ventilation hole (213) is greater than the width of one end, close to the root (212b) of the tooth portion, of the axial ventilation hole (213). The taper hole can enable a fluid to fully exchange heat at the tooth portion (212) that generates heat most intensively, and can further enable residual paint in an immersion-painting process to be centralized to a narrow end of the ventilation hole under the action of surface tension, so that a wide end keeps clear.

A system and a method for the dry centrifugal granulation of high temperature liquid slag and exhaust heat recovery. The system comprises a liquid slag drainage system, a liquid slag buffering system, a liquid slag granulation and heat exchange system, a slag particle conveying system and an exhaust heat recovery system; the liquid slag drainage system comprises a slag groove (1), a baffle and a slag outlet (2); the liquid slag buffering system is composed of one or more independent slag containers, the slag container comprising structures such as a bag body (3), a bag cover (4), a slag pipe (5), and a stopper rod (6); the liquid slag granulation and heat exchange system is composed of one or more independent granulation and heat exchange systems which are arranged side by side in one or multiple rows, each granulation and heat exchange system being composed of a granulation bin (7), a centrifugal granulator (8), a movable bed (9) and a slag discharge device; the slag particle conveying system comprises a temperature-resistant conveyor belt (14) and a buffering material bin; the exhaust heat recovery system comprises a primary dust collector (15), an exhaust heat boiler (16), a secondary dust collector (17), an exhaust draught fan (18) and a chimney (19) which are connected in sequence.

The invention belongs to the field of wine brewing equipment, and in particular relates to a barrel type alcohol distillation system. The barrel type alcohol distillation system comprises distillationdevices and a collection box, wherein three distillation devices are arranged; the three distillation devices are connected through a serial connection manner; the collection box is used for collecting alcohol steam distilled by the distillation devices; each distillation device is of a round barrel shape; each distillation device is internally provided with an extruding unit and a distillation unit in sequence from top to bottom; each extruding unit is used for extruding fermented grains into the corresponding distillation unit; each distillation unit comprises a plurality of distillation barrels; the distillation barrels are fixed on the inner surface of a No. 1 side plate through a No. 1 mounting plate; a No. 1 interlayer is formed between the distillation barrels of each distillationunit; when the distillation devices are used for distilling the fermented grains, the No. 1 interlayer is fully filled with steam, and the humidity of the fermented grains in the distillation barrelsis increased, so that the dissolving efficiency of alcohol in the fermented grains is improved; the barrel type alcohol distillation system is mainly used for fermenting the solid-state fermented grains and distilling the alcohol; the alcohol distillation efficiency can be improved, and the production cost is reduced.

The invention discloses a cooling device for biomass pelletizing processing. The cooling device comprises a base, wherein the two sides of the bottom of the base are fixedly connected with fixed blocks; the left side of the top of the base is fixedly connected with a first stand column; the right side of the top of the base is fixedly connected with a second stand column; the top of the left sideof the first stand column is fixedly connected with a bearing table; and the top of the bearing table is fixedly connected with an exhaust fan. According to the cooling device disclosed by the invention, the bearing table, the exhaust fan, an exhaust tube, an air outlet tube, an air outlet cover, a slide plate, a slide slot, a slide block, a connecting block, a placing table, a ring-shaped baffleplate, a housing, a motor, a drive gear, a chain, a driven gear, a rotary shaft, a bearing base, a slide post, a movable frame, a movable rod and a controller are matched with one another, so that theuniform cooling effect is achieved, the biomass particles are uniformly cooled by the cooling device, and production efficiency of the cooling device is improved, and therefore, practicability of thecooling device is improved.

The invention relates to a maintenance method for a post-rolling cooling control flow regulating valve. Through two program settings and three flexible test methods for the valve, it is determined that the valve has the problem of unstable regulation flow, and a fault maintenance method completely solves the problem of flow regulation. The valve controls flow fluctuation problems. Through the application of this method, the problem of uneven cooling of the steel plate caused by large fluctuations in the accuracy of water adjustment when the steel plate passes through the cooling control area is completely solved, ensuring the stable operation of the cooling control system after rolling, and improving the operation reliability of the flow control valve; the method is convenient Effective, within a relatively low cost, the high-precision use of the flow regulating valve can be restored in a short period of time, and the ability to control the plate shape of the produced steel plate is improved, and the practicability is strong.

The invention discloses a load-controllable multichannel liquid fuel gasification burner, which comprises a burner central spray pipe, a first burner outer ring spray pipe, a second burner outer ring spray pipe, a third burner outer ring spray pipe, a burner central sprayer, a first burner outer ring sprayer, a second burner outer ring sprayer, a third burner outer ring sprayer, a swirler and a burner cooling system, wherein the burner central spray pipe, the first burner outer ring spray pipe, the second burner outer ring spray pipe and the third burner outer ring spray pipe are coaxial. According to the load-controllable multichannel liquid fuel gasification burner disclosed by the invention, the rotation of airflow in a central channel is enhanced by adopting a multichannel structural design through arranging the swirler in a central channel spray pipe, thus, the overall atomization performance of the burner is improved. By adopting the multichannel design, on one hand, the atomization of the airflow to liquid fuel can be enhanced, and on the other hand, the regulation on the flow of a gasification agent and the flow of the liquid fuel can be enhanced, thus, the load of the gasification burner is effectively regulated. The liquid fuel burner is cooled by adopting a jacket-type cooling mode. Compared with a coiled pipe-type cooling effect of a traditional industrially applied liquid fuel gasification burner, the jacket-type cooling effect is obviously enhanced.

The invention discloses an afterheat recovery system and an afterheat recovery method of dry granulating liquid slag. The system comprises a granulating cabin, a moving bed and an afterheat recovery system, the inner surface of the granulating cabin is provided with a granulating cabin water cooling wall, the center of the top of the granulating cabin is provided with a slag pipe, the slag pipe extends into the granulating cabin, the lower part of the tail end of the slag pipe is provided with a centrifugal granulator, the centrifugal granulator is connected with a motor arranged at the lower part of the centrifugal granulator, the lateral side of the centrifugal granulator is provided with an air supply pipeline, an annular air opening is formed between the centrifugal granulator and the air supply pipeline, the lower part of the granulating cabin is provided with the moving bed, the inner surface of the moving bed is provided with a moving bed water cooling wall, the top of the moving bed is provided with an air outlet, the bottom of the moving bed is provided with a slag discharge device, an air inlet device is arranged above the slag discharge device, the afterheat recovery system comprises a primary dust remover, an afterheat boiler, a secondary dust remover, an exhaust fan and a chimney which are connected in sequence, and the primary dust remover is connected with the air outlet arranged at the top of the moving bed. The system and the method effectively solve the problems of heat recovery and furnace slag granulation of equipment such as a blast furnace.

The invention relates to a sealed fast cooling chamber which mainly comprises a fast cooling chamber shell, a front door of the fast cooling chamber, a back door of the fast cooling chamber, a fan andfan blades. The fast cooling chamber shell, the front door of the fast cooling chamber and the back door of the fast cooling chamber form a sealed body, an upper blow-off nozzle and a lower blow-offnozzle which can be controllably opened and closed are arranged inside the inner cavity of the fast cooling chamber shell, the upper blow-off nozzle and the lower blow-off nozzle are oppositely arranged; the fan is arranged on the fast cooling chamber shell, an air inlet pipe is arranged under the air inlet of the fan blades, a cold-heat exchanger is arranged between the air inlet of the fan blades and the air inlet pipe, and air circulation is formed between the air inlet pipe and the air outlet pipe; the air outlet of the fan blades is respectively communicated with an upper air outlet pipeand a lower air outlet pipe, the upper blow-off nozzle is communicated with the upper air outlet pipe by an upper blow-off pipe, and the lower blow-off nozzle is communicated with the lower air outletpipe by a lower blow-off pipe. The sealed fast cooling chamber has the advantages of providing a protective atmosphere fast cooling chamber with a novel sealed structure, solving the problem of uneven cooling, ensuring stable and reliable quality of the bright isothermal normalizing, and realizing the purposes of saving materials and reducing energy consumption.

The invention discloses a three-in-one oil-cooled electric drive structure. The cooling oil in the reducer casing is transported to the main oil circuit of the motor casing. The main oil circuit is divided into a first oil circuit and a second oil circuit at the rear end cover. The first oil circuit is connected to the stator cooling structure, and the second oil circuit is connected to the stator cooling structure. The oil circuit communicates with the rotor cooling structure; the stator cooling structure is used to introduce cooling oil into the upper part of the electric drive, and the stator is directionally cooled through the oil spray holes in the stator oil passage on the motor housing; the rotor cooling structure is used to pass the rotor The cooling oil is rotated and the oil is thrown to achieve cooling. The circulating oil circuit is connected by the structural design of the casing itself, and the oil circuit is divided on the casing to ensure the cooling of the stator and rotor, without the need for additional oil separation structure and copper pipes, which improves the integration of oil-cooled electric drive. , reduce the cost and reduce the risk of oil leakage from the oil pipe.

The invention relates to a hot rolling spray cooling method for a large cylinder, which is characterized in that an upper spray device and a lower spray device are manufactured; after a large cylinder is rolled, the cylinder is clamped by an upper roller and a lower roller, so that the cylinder is rotated by the driving of frictional force; additionally, the lower spray device extends into the cylinder, and the upper spray device is arranged outside the cylinder; the length of cooling water pipes on the upper spray device and the lower spray device is regulated, so that a connecting line of all of the cooling water pipes on each spray device near the wall end of the cylinder forms a semicircle shape which is concentric with the cylinder; and additionally, the quantity ratio of the cooling water pipes on an upper spray collecting plate and a lower spray collecting plate of the upper spray device and the lower spray device and the flow ratio of cooling water are regulated, so as to cool the inner and outer surfaces of the large cylinder at the same cooling speed after rolling. The hot rolling spray cooling method has the advantages that the problem of uneven cooling of the traditional cylinder heat treatment is solved, the cooling efficiency is increased, the coefficient of heat transfer of the surface of the cylinder is increased on the initial stage of cooling, and the surface quality of the cylinder is greatly increased.

The invention belongs to the field of brewing equipment, and specifically relates to an alcohol distillation device that is convenient for loading and unloading fermented grains, including a distillation device and a collection box. There are three distillation devices, and the three distillation devices are connected in series; The fermented grains are squeezed into the distillation unit; the distillation cylinder is fixed on the inner surface of the No. 1 side plate through the No. 1 mounting plate; when the distillation device is distilling the fermented grains, the No. 1 interlayer is filled with steam, which increases the distillation capacity. The humidity of the fermented grains in the barrel, the air pressure rod drives the No. 1 upper bottom plate and the No. 1 side plate to move in the vertical direction through stretching, and the motor drives the No. 1 lower bottom plate to rotate through the rotating shaft. The grains are transported to the recovery box; the air inlet is used to deliver air to the distillation unit to facilitate the discharge of the grains from the distillation unit; the invention is mainly used for automatic loading and unloading of the grains in the alcohol distillation device, which can improve the efficiency of alcohol distillation. Reduced production costs.

The invention discloses a drill steel cooling system which comprises a base, a worktable, an air cooling device, a propelling device, a positioning device, a temperature measuring device, a cooling device and a feedback device, wherein the temperatures of four joints A1, A2, A3 and A4 are regulated and controlled by the feedback device; three feedback devices are arranged in the axial direction toensure that the actual cooling temperature of the shaft is controllable. Temperatures at pints of corner angles are controlled precisely by means of a feedback system, so that the problem that the corner angles of the polygonal drill steel are not cooled uniformly is solved. The invention further discloses a cooling method of the drill steel. The feedback system of the method acts to the four joints A1, A2, A3 and A4 separately to control the size of a water flow precisely, so that the water is controlled precisely and the water consumption is reduced. In order to prevent a condition that theactual cooling temperature of the drill steel cannot reach the control temperature as the temperature of the surface of the drill steel raises again due to self-tempering of the drill steel, three feedback systems are uniformly distributed along the axial direction o the drill steel, so that the actual cooling temperature of the steel drill is controllable.