154results about How to "Improve water cooling effect" patented technology

The invention relates to a novel low temperature rising water-cooling stator engine base and a welding method thereof. The novel low temperature rising water-cooling stator engine base comprises an outer cylinder, a middle cylinder, an inner cylinder and a machine leg component, wherein the length of the inner cylinder is the same as the length of a water-cooling stator and is less than the length of the outer cylinder; the welding method comprises the following steps of: positioning water channel ribs through a rib plate positioning die in sequence and fixing the water channel ribs in a spot welding mode; finding out the position of a blocked weld joint through a blocked weld joint template corresponding to a plurality of water channel ribs; positioning and welding the water channel ribs; and finding blocked weld joints corresponding to the water channel ribs. The welding method is accomplished through the rib plate positioning die and the blocked weld joint template, the error in line drawing positioning and aligning is effectively avoided, the following welding quality is improved, and the cooling performance of the engine base is ensured.

Disclosed are a water-cooled internal combustion engine cylinder head and a water-cooled internal combustion engine with the same, aiming to overcome defects that holes of a fuel sprayer, a gas feed channel and a gas exhaust channel in a water cavity of the water-cooled internal combustion engine cylinder head in the prior art are complicated in structure and the water cavity is covered by a casing of the cylinder head, so that design of die-casting mold is failed, and the die casting processes of normal stripping and core pulling cannot be performed to manufacture the water-cooled cylinder head. To realize manufacturing the water-cooled cylinder head by the die casting processes of normal stripping and core pulling, the cylinder head is manufactured as an integrated cylinder head by steps of split manufacturing, welding, binding, threading and / or riveting and is convenient to process, reliable in quality, economic, energy-saving and environment-friendly and prone to production and application in scale.

The invention discloses a high strength steel plate stamping part thermal forming production automation line, and aims at solving the problems that an existing device is large in size, high in cost, small in application range and the like. The high strength steel plate stamping part thermal forming production automation line comprises a feeding device, a quick replacing blade axle type heating furnace, a lower piece transportation device, an upper piece transportation device, a high speed pressing machine and a piece fetching device, wherein a water cooling mold is arranged in the high speed pressing machine, the feeding device feeds a work piece into the quick replacing blade axle type heating furnace for achieve high temperature heating on the work piece, the lower piece transportation device fetches the work piece after being heated out of the quick replacing blade axle type heating furnace, the upper piece transportation device is arranged below the lower piece transportation device, and transports the work piece to the high speed pressing machine so as to shape the work piece after grasping the work piece, and the piece fetching device fetches out of the work piece after being shaped under pressure of the high speed pressing machine, and delivers the work piece to a conveying machine for conveying the work piece.

The invention relates to a water-cooled middle-high-frequency transformer for a resistance welding machine. The invention provides the middle-high-frequency transformer, wherein a main transformer comprises a magnetic core, a primary winding and a secondary winding; the middle part of the primary winding is provided with three to eleven groups of primary coils, each group of primary coils is formed by connecting two coils in series, which have the same number of turns and are wound in the forward and reverse directions, and each group of primary coils is provided with two lead-out terminals; two ends of the primary winding are respectively provided with a group of primary small coils, the two groups of primary small coils are connected in series, the two groups of primary small coils are provided with two lead-out terminals; dotted terminals in all the lead-out terminals in the primary winding are connected mutually, namely the dotted terminals are connected in parallel to form two input terminals of the main transformer; the secondary winding comprises one to five groups of secondary coils and centre taps led out from the secondary coils, dotted terminals in two lead-out terminals of all the secondary coils are connected in parallel to form two lead-out terminals, the two lead-out terminals are respectively connected with diodes and are then combined to form a first output terminal of the main transformer, and the centre taps are used as a second output terminal of the main transformer.

The invention discloses a water cooling structure for thermal insulation of a wind tunnel balance. The water cooling structure comprises a support lever and a lever balance connected with the supportlever. The lever balance is sleeved with a water cooling sleeve. Two water paths are arranged in the support lever in the axial direction. The non-measuring component area of the lever balance is provided with two water paths corresponding to the two water paths of the support lever. The two water paths on the lever balance are connected to the water cooling sleeve through a bellows. The cold water circulates in the water paths. The water cooling structure can simultaneously cools the lever balance and the support lever by water, and has a protective effect on the heat conduction and the heatradiation which affect the temperature change of the lever balance. The method for water cooling the outer surface of the support lever is obviously better than a traditional water-cooling ring methodin thermal insulation effect.

The invention discloses a water cooling device and an external combustion engine with the same. The water cooling device is used for cooling a cylinder and comprises a water cooling sleeve and a connecting suite, wherein the water cooling sleeve is sleeved at the periphery of the cylinder to form a cooling cavity between the water cooling sleeve and the outer wall of the cylinder, and the cooling cavity is filled with cooling liquid; the bottom of the water cooling sleeve is connected to the bottom of the cylinder and is provided with a piston through hole; the connecting suite comprises a gas channel, an outer connecting piece and an inner flange; the gas channel extends to the bottom end of the connecting suite from the top end of the connecting suite and is used for gas to enter and leave the cylinder; the outer connecting piece is formed by extending outwards from the middle part of the outer wall of the gas channel, is provided with a plurality of first inner screw holes, and is hermetically connected with the top end of the water cooling sleeve; the inner flange is formed by extending outwards from the bottom end of the gas channel and is fixedly connected with the top end of the cylinder wall of the cylinder; and a second inner screw hole is formed on the inner flange vertically opposite to an inner bolt hole. The water cooling device can be prevented from being deformed due to an overheated gasket, so that maintenance cost is reduced.

The invention discloses a drilling device with a cooler and relates to the field of drilling equipment. The drilling device with the cooler comprises a box body. The box body communicates with an airbag. A piston disc is arranged in the box body. The piston disc is slidably connected to the inner wall of the box body. The box body is partitioned into a first sealing cavity and a second sealing cavity by the piston disc. A rotary cylinder is arranged at the lower end of the piston disc. A drill bit rod is connected to a piston rod of the rotary cylinder. A drill bit is arranged at the end of the drill bit rod. An outer thread is arranged on the drill bit rod. A sleeve is arranged at the lower end of the box body. An inner thread matched with the outer thread on the drill bit rod is arranged in the sleeve. The box body communicates with air pipes. A one-way valve is arranged on each air pipe. All the air pipes are connected with a water storage tank. A water outlet is formed in the water storage tank. The water storage tank communicates with a water inlet pipe. Two hand-operated supports are arranged outside the box body. By the adoption of the technical scheme, the defects that during drilling of the drill bit, the drill bit is overheated due to friction heating and cannot be cooled in time are overcome, and the drilling device can be used for drilling of various workpieces.

The invention discloses a calcium carbide furnace and a method for preparing calcium carbide. The calcium carbide furnace comprises a furnace body, a plurality of electrodes and a plurality of spray guns. A calcium carbide production space is defined in the furnace body. The electrodes are embedded in the calcium carbide production space through the top wall and / or the side wall of the furnace body and are suitable for providing heat for the calcium carbide production space. The spray guns are embedded in the calcium carbide production space through the top wall and / or the side wall of the furnace body and are suitable for providing coal dust and oxygen for the calcium carbide production space so that heat generated through combustion of the coal dust and the oxygen can be supplied to the calcium carbide production space. Due to the fact that the spray guns are reasonably arranged between the electrodes on the top wall and / or the side wall of the furnace body of the calcium carbide furnace, heat in the calcium carbide furnace is evenly distributed.

The invention discloses a novel water-cooled mold for casting a wrought aluminum and aluminum alloy ingot mold. The novel water-cooled mold comprises a mold body and an inner mold, the inner mold is welded inside the mold body, and a circulating pipe is arranged on the outer surface of the inner mold in a surrounding mode. According to the novel water-cooled mold, the circulating pipe is adopted,arranged on the surface of the inner mold in a surrounding mode and located inside a circulating pipe cavity, cold water enters the circulating pipe from a water inlet, and slowly rises spirally upwards to a water outlet to be discharged, aluminum liquid contained inside the inner mold is cooled from bottom to top, a final solidification area is cast at the top, thus the difference of cooling conditions between the edge and the center part of an ingot can be eliminated, the phenomenon that an edge area is solidified preferentially is avoided, in this way, in the transformation process of the aluminum liquid from a liquid phase to a solid phase, only overall and even volume shrinkage occurs, the phenomenon that edge volume shrinkage is small and center volume shrinkage is large is avoided,thus center hole shrinkage is avoided, and the loss of head and tail materials is reduced.

The invention relates to a helix for transporting a high-temperature material, which comprises a main shaft and a helical blade fixed outside the main shaft. The main shaft is a double-sleeve hollow shaft, an outer sleeve of the main shaft and the helical blade are integrally manufactured by an overlaying welding technique, a main water inlet pipe is arranged in an inner sleeve of the main shaft, a cooling return water passage of the main shaft is formed between the two sleeves, a hollow water-cooled tank is arranged in the helical blade along the surface of the outer sleeve of the main shaft, the outlet end of the main water inlet pipe is provided with a flow divider, cooling water is divided into two flows by the flow divider, the two flows enter the cooling return water passage of the main shaft and the hollow water-cooled tank of the helical blade respectively, and the two flows of cooling return water are merged and discharged at a water outlet of the cooling return water passage of the main shaft. The helix has the advantages of reasonable structure, good water cooling effect, large effective working area of the blade, high abrasion resistance performance, high discharging working efficiency, full play to double advantages of a material and a structure, and long service life.

The invention provides a water-cooling jacket device of a monocrystalline silicon growth furnace. The water-cooling jacket device comprises a water-cooling flange, two water inlet pipes, two water outlet pipes and a water-cooling cylinder, wherein the water-cooling cylinder comprises an inner cylinder, an outer cylinder and a second water-stop sheet, and the second water-stop sheet is arranged between the inner cylinder and the outer cylinder; the outer wall of the inner cylinder, the inner wall of the outer cylinder and the sheet wall of the second water-stop sheet are matched to form two independent water-cooling cylinder cooling water loops; each independent water-cooling cylinder cooling water loop comprises a vertical straight line loop and an S-shaped loop, a water-cooling cylinder water inlet is formed in the top end of the straight line loop, the bottom of the straight line loop is connected to the bottom end of the S-shaped loop, and a water-cooling cylinder water outlet is formed in the top end of the S-shaped loop. According to the water-cooling jacket device, the crystal pulling speed can be effectively increased, and the growth time of crystal bars can be shortened; by arranging the water-cooling jacket device, the average pull speed of equal-diameter growth of 8.5-inch monocrystalline bars is increased to 1.2mm / min-1.3mm / min, and crystal ingots with high yield and quality and relatively low cost can be obtained.

The invention discloses a semi-open type atmosphere-protecting and water-cooling device for laser cladding. An atmosphere protecting box is fixedly arranged on an experiment table through supporting legs; a water-cooling assembly is fixed on the bottom of the atmosphere protecting box; the water-cooling assembly comprises a water-cooling pedestal and a clamping part; a plurality of water flow slots for cooling a base plate are formed in the water-cooling pedestal; a rubber gasket is arranged on a position, around the water flow slots, on the water-cooling pedestal; the clamping part is used for fixing an experiment base plate onto the water-cooling pedestal; gas-blowing assemblies are positioned above the water-cooling assembly, and are fixed at the two sides of the atmosphere protecting box in the form of a fan; each gas-blowing assembly is equipped with a plurality of micro gas outlets; and the top of the atmosphere protecting box is open, and is semi-open. With the adoption of the technical scheme, the semi-open type atmosphere-protecting and water-cooling device can effectively refine crystalline grains of a laser cladding structure, and reduces deformation of a base material;and moreover, oxidization and impurity pollution of a clad layer can be effectively controlled by inert gases, so that the comprehensive performance of a clad part is improved.

The invention discloses a laminated water-cooling radiator, which comprises a cover plate, a bottom plate and a laminated water-cooling plate. The cover plate is arranged on the top of the laminated water-cooling plate which is symmetrically stacked with a plurality of layers and is provided with at least one water inlet; the bottom plate is arranged at the bottom of the laminated water cooling plate and is provided with a water outlet; the laminated water cooling plate is symmetrically stacked with a plurality of layers and is arranged between the cover plate and the bottom plate, and holes in the laminated water cooling plate are combined to form a water flow channel. According to the invention, hot water is introduced into the laminated water cooling plates through the water inlet of the cover plate, the hot water flows from top to bottom through the water flow channel of the laminated water cooling plate, and the heat is brought out and is finally discharged through the water outlet at the bottom plate to achieve the temperature ramping and water cooling effects; the structure is simple, the manufacturing process is simple, the contact area is large, and a better water coolingeffect can be achieved.

The invention relates to a device capable of cleaning processed gears and simultaneously recovering processing auxiliary oil, comprising a vertically arranged gear stationary axle, a high-speed motor, a control system, a signal switch and an oil collection barrel, wherein the oil collection barrel is arranged on the periphery of the upper end of the gear stationary axle, the upper end of the gear stationary axle is matched with the axle hole of a gear, the lower end of the gear stationary axle is connected with the high-speed motor electrically connected with the control system, and the signal switch is connected to the control system. The recovery unit of gear surface processing auxiliary oil, for which the technical scheme is adopted, can clean and recover the processing auxiliary oil on the surface of the gear, and has the advantages of time saving and labor saving.

The invention discloses a heat dissipation device of a server case. The device comprises a cooling box, a heat conduction device, a lifting mechanism and an exhaust device. A placing opening is formedin the upper end of the cooling box. A partition plate is transversely arranged in the cooling box. An air cooling chamber is arranged above the partition plate. A water cooling chamber is arranged below the partition plate, a heat conduction device used for containing a server case is connected above the partition plate, the heat conduction device is connected with the water cooling chamber, a lifting mechanism used for fixing the server case is arranged on one side of the heat conduction device, and an exhaust device used for exhausting heat is arranged on the other side of the heat conduction device. Air circulation on the outer side of the server case is accelerated through the air exhaust device. Heat dissipation of the server case is achieved through fast flowing cold air. Meanwhile, the water cooling chamber at the bottom further reduces the temperature in the server case and the air cooling chamber through the heat conduction device, the heat dissipation speed is increased, and the problem that at present, the heat dissipation effect cannot be achieved only through a heat dissipation fan in the server case is solved.

The invention relates to a composite crucible, and particularly relates to a composite crucible for improving the energy utilization rate of an electron beam melting technology. The composite crucible comprises a crucible body, wherein the crucible body is of a hollow cavity structure; a cavity for circulating of a cooling liquid is arranged in the crucible body; the upper surface of the crucible body is of a groove structure, and is used for containing materials; and the crucible body is formed by a dual-layer material, the outer layer is made of graphite, and the inner layer is made of copper. According to the composite crucible, the service life of the graphite layer is prolonged by at least 30%.

The invention discloses a preparation method for heat-conduction insulation silicone grease. The preparation method comprises a grinding box, wherein an installation rod is installed between the innerwalls of the grinding box through bolts; two ends of the installation rod are independently provided with a T-shaped groove; a T-shaped block is independently in sliding connection in each T-shaped groove; a shaking plate is in sliding connection in a shaking groove; the middle of the outer side of a rotary shaft is fixedly sheathed with a convex rod; two ends of the top surface of a filtering net are independently welded with a convex block; one end of the grinding box is provided with a fan; and positions, which are positioned on the bottom end positions of two bearing plates, of one end ofthe fan are independently connected with an air blowing pipe. Compared with the prior art, the preparation method is characterized in that a grinded product carries out inclined circular-arc movement, so that the product is even in dispersion to achieve a purpose of even blanking. A bottom end blocking problem of the grinding box enables raw materials which are not completely grinded to form circular arc shaped reflux, through the circular arc shaped reflux, the raw materials which are not completely grinded can enter between two grinding rollers along a raw material falling tangent direction, grinding quality and efficiency can be improved, and the problem of incomplete grinding is avoided.

The invention discloses a weak current cable connection control system and relates to the technical field of weak current cable installation. The weak current cable connection control system comprisesa mounting frame, wherein cross bars are arranged on the top surface of the mounting frame at intervals; cavities which are communicated with one another and filled with water are formed in the mounting frame and the cross bars; a deformable deformation frame is connected onto the top surface of the mounting frame; the deformation frame comprises a plurality of supporting rods which are arrangedat intervals and parallel to the cross bars; adjacent supporting rods are respectively positioned on two sides of the cross bars; winding plates capable of rotating around the supporting rods are connected onto the supporting rods, and the supporting rods are positioned on centerline positions of the winding plates; mounting boxes used for mounting circuit boards are arranged below all the windingplates; springs used for supporting the mounting boxes are arranged on the bottom surfaces of the mounting boxes. According to the control system disclosed by the invention, rapid installation can beperformed.

The invention discloses a motorcycle water cooling engine. An annular closed cylinder water way surrounding a cylinder hole is formed in an air cylinder body, a water inlet nozzle is arranged on the side face of the air cylinder body, and a cylinder body water outlet is formed in the upper end face of the air cylinder body. The water inlet nozzle and the cylinder body water outlet communicate withthe cylinder body water way. The upper end of the outer-layer inner wall, away from the cylinder hole, of the cylinder body water way so that the cross section area of the upper end of the cylinder body water way can be larger than the lower end cross section area, and the cylinder body water outlet is close to the outer edge of the upper end of the cylinder body water way. The corresponding design is conducted on the cylinder head water way and the water inlet in the air cylinder head. According to the structure, the volume of the water way is increased, and the amount of cooling water in the cylinder body and the cylinder head is increased. After the water way is expanded outwards, the cylinder body water outlet and the cylinder head water inlet are correspondingly moved outwards, so that ablation of an air cylinder pad due to high-temperature and high-pressure gas influences is not likely to happen, and circulation water is prevented from entering the engine.

The invention discloses an ion beam detection device. The ion beam detection device comprises an ion beam detection module, a pre-filtering diaphragm module, a supporting plate, and the like. The ion beam detection module is composed of a Faraday cup, a driving shaft, vacuum bellows and a driving air cylinder; the ion beam detection module is designed to detect gas element ions and detect special metal ions; the entrance of the Faraday cup is provided with an inhibition graphite electrode which can effectively prevent external electrons from entering the Faraday cup and inhibit electrons from overflowing from the Faraday cup; the beam detection module can accurately detect ion beams; the pre-filtering diaphragm module is composed of a filtering graphite diaphragm plate, a moving main shaft, a differential air extraction module and a driving air cylinder; the pre-filtering diaphragm module can pre-filter ions entering the Faraday cup; and two kinds of filtering slits are designed on the filtering graphite diaphragm plate. With the ion beam detection device adopted, the quality of the ions entering the Faraday cup can be effectively improved, the measurement accuracy of the Faraday cup can be effectively improved, and ion implantation process debugging can be facilitated. The invention relates to an ion implantation device and belongs to the semiconductor manufacturing field.

The invention discloses a device and a method for cooling fruits and vegetables with cold water. The device comprises a water tank, a conveying belt, a cooler, an electric motor, a temperature measurement device and a control device, wherein the electrical motor drives the conveying belt to convey fruits and vegetables to pass through the water tank, and the cooler cools water in the water tank to be kept at the environment temperature; a data acquisition module and a program control module capable of operating acquired data in real time and sending an instruction are arranged in the control device, the temperature measurement device measures the temperature of the water tank in real time, and the control device acquires the temperature parameters measured by the temperature measurement device in real time and controls the rotating speed of the electric motor and the refrigeration speed of the cooler according to the acquired temperature parameters in real time. The device can intelligently control the temperature in a cooling water tank in a continuous cold water cooling device.

The invention discloses a computer mainframe with good heat dissipation performance. The computer mainframe comprises a case, a water-cooling heat dissipation device, a control insertion sheet and a sealing plate, wherein a mainframe body is installed at the bottom end inside the case, the water-cooling heat dissipation device is fixedly connected to the left side of the mainframe body, a fan is fixed to the left wall inside the case, a positive plate and a negative plate are sequentially installed from top to bottom on the back inside the case, the control insertion sheet is arranged inside aheat dissipation net, the sealing plate is embedded into the top end of a fixed embedding sleeve, a fixed rod is installed at the left side of the front of the case, a fixed sheet is fixedly connected to the top end of the front of the case, and an extrusion plate is connected to the front of the fixed sheet in a sleeving mode. According to the computer mainframe, the water-cooling heat dissipation device and the fan are arranged and cooperate with each other in use, so that the heat dissipation effect is enhanced, the dust prevention performance of the mainframe is enhanced, the operating speed of the mainframe is guaranteed, it is convenient to dismantle the fixed rod, repair difficulty is lowered, and maintenance speed is increased.

The invention relates to a water-cooling single-end-face mechanical sealing structure and a working method thereof. The water-cooling single-end-face mechanical sealing structure comprises a rotatingshaft, a rotating wheel, a spring, a gasket, a first sealing ring, a movable ring and a static ring, wherein the rotating wheel, the spring, the gasket, the first sealing ring, the movable ring and the static ring are arranged on the rotating shaft in sequence, a water inlet pipeline and a water outlet pipeline are arranged between the movable ring and the static ring, the water inlet pipeline andthe water outlet pipeline communicate with each other, and coolant is suitable for being injected from the water inlet pipeline and discharged from the water outlet pipeline so as to cool the movablering and the static ring. According to the water-cooling single-end-face mechanical sealing structure, the water inlet pipeline and the water outlet pipeline are arranged, so that the circulation ofthe coolant is realized, and the heat generated by the friction between the end surfaces of the movable ring and the static ring is taken away.

The invention discloses a compressor pipeline damping device, and relates to the technical field of pipeline damping. The compressor pipeline damping device comprises a liquid storage box body, one side of the liquid storage box body is provided with a water cooling assembly, the top end of the liquid storage box body is provided with a pipeline clamping mechanism, a damping mechanism is arranged between the pipeline clamping mechanism and the liquid storage box body, a follow-up assembly is arranged between the pipeline clamping mechanisms, each pipeline clamping mechanism comprises four mounting blocks arranged above the liquid storage box body, brackets are fixedly mounted on the outer walls of the tops of the mounting blocks, clamping arc arms are connected to the two ends of each bracket through hinges, compression springs are fixedly mounted on the sides, opposite to the mounting blocks, of every two clamping arc arms, and the damping mechanism comprises conduction rods fixedly connected to the outer walls of the bottoms of the four mounting blocks. Vibration energy generated by the rotation of a compressor pipeline is converted, then circulating flowing of water cooling liquid is achieved, and the water cooling treatment of a compressor is achieved through a vortex pipe and a spiral water cooling pipe.

The invention relates to an induction heating leveling integral structure. The structure is characterized by comprising a control system, a water cooling system and an execution system. According to the structure, the whole induction leveling system is used for integrating three energy modes into a whole, the three energy modes include electricity, magnetism and heat, a power regulator and a frequency converter are controlled, so that the electric energy which is subjected to rectification filtering inversion is transmitted to an electromagnetic induction heating energy converter to be converted into magnetic energy, and an eddy current is generated to complete leveling; compared with an ordinary induction heating leveling device, the induction heating leveling integral structure has the characteristics of being small in size, light in weight, easy to move and wide in operation range; in addition, the structure has the characteristics of being high in heating efficiency, high in heating speed and capable of saving energy; the defects of a single constant current power supply and a single constant power supply are overcome, and the advantages of the single constant current power supply and the single constant power supply are reserved; compared with the prior art, a water cooling system is simple in structure, moreover, each water cooling channel is independent, the design is simple, the installation is convenient, and the popularization is facilitated; and in addition, the water cooling effect is remarkable, heating areas of components and parts are independently cooled byeach water cooling channel, the main heating areas are cooled, and then the direct and effective effects are realized.

The invention relates to a novel low temperature rising water-cooling stator engine base and a welding method thereof. The novel low temperature rising water-cooling stator engine base comprises an outer cylinder, a middle cylinder, an inner cylinder and a machine leg component, wherein the length of the inner cylinder is the same as the length of a water-cooling stator and is less than the length of the outer cylinder; the welding method comprises the following steps of: positioning water channel ribs through a rib plate positioning die in sequence and fixing the water channel ribs in a spot welding mode; finding out the position of a blocked weld joint through a blocked weld joint template corresponding to a plurality of water channel ribs; positioning and welding the water channel ribs; and finding blocked weld joints corresponding to the water channel ribs. The welding method is accomplished through the rib plate positioning die and the blocked weld joint template, the error in line drawing positioning and aligning is effectively avoided, the following welding quality is improved, and the cooling performance of the engine base is ensured.

The invention discloses a heat management system for a new energy automobile. The heat management system comprises a compressor, a condenser, an expansion valve, HVAC (High Voltage Alternating Current), a gas-liquid separator, a heat exchange module and an ECU (Electronic Control Unit), wherein the heat exchange module comprises a water flow pipeline and a refrigerant flow pipeline capable of mutually performing heat exchange; the refrigerant flow pipeline is communicated with an outlet of the condenser by virtue of a low-temperature refrigerant shunt pipeline; an electric auxiliary heating device is arranged on the outer part of the water flow pipeline; and after heat exchange is performed between the cooling capacity of the refrigerant or heating capacity and water, water is fed into a battery temperature control assembly, a motor electrically controlled heat dissipation assembly and an HVAC heating core, so that electrically controlled refrigerating or heating of the battery pack and the motor can be realized, and HVAC heating is also realized. According to the heat management system, the structure is simplified, in-vehicle temperature regulation, battery temperature regulationand electrically controlled motor temperature regulation can be simultaneously met, temperature regulation response is rapid, and the energy efficiency ratio is high.

The invention discloses a framework-type multi-door full water cooling vacuum device which comprises a cuboid-shaped water cooling framework composed of hollow transverse beams and longitudinal beams. Framework water sleeve interlayers formed in the transverse beams and the longitudinal beams of the water cooling framework are communicated with a water inlet and a water outlet, a water cooling bottom plate is fixed on the bottom face of the water cooling framework, the three side faces of the water cooling framework are each provided with a cylindrical face hinge door through hinges, the other one side face of the water cooling framework is provided with a vacuum pump door through screws, the vacuum pump door is provided with a connection flange connected with a vacuum pump, and the top end of the water cooling framework is provided with a straight-pin top cover. According to the framework-type multi-door full water cooling vacuum device, the cylindrical face hinge doors, the straight-pin top cover and the vacuum pump door can be locked on the water cooling framework through a hand wheel locking device, and therefore the water cooling effect and vacuum effect are improved; through the multi-door design, the space utilization rate can be improved, various external or internal equipment can be conveniently installed, and disassembly, assembly and maintenance are convenient.

The invention discloses a fiber laser cooling device. The fiber laser cooling device comprises a bearing assembly, a water cooling assembly, a laser body and an air cooling assembly; the bearing assembly comprises a connecting plate, a supporting frame and a box body; the water cooling assembly comprises a sleeve, a heat exchange coil pipe, a water pump, a water inlet hose and a water drainage hose; the laser main body comprises a shell, a pumping source and a resonant cavity; and the air cooling assembly comprises an air inlet pipe, a plurality of cooling fans and a plurality of cooling fins.Overall supporting is achieved through the bearing assembly, and connection with an external use part is facilitated through the connecting plate; cold water is introduced into the heat exchange coilthrough the water pump for heat exchange, heat conduction is conducted through the elastic heat conduction silica gel sleeve, and a good water cooling effect is achieved. Through the cooperation of afirst fixing ring and a second fixing ring, the shell is simply and conveniently mounted in the sleeve, so that the laser main body is convenient to mount and dismount; and hot air is exhausted through the heat dissipation fan, and heat dissipation is conducted through air cooling.

A reduced iron discharging screw conveyer is provided in a rotary hearth furnace and discharges reduced iron out of the rotary hearth furnace. The rotary hearth furnace produces the reduced iron by charging and heating a pellet including metallic oxide and coal material onto a rotary hearth rotating in a horizontal plane. The reduced iron discharging screw conveyer has a rotary shaft and a screw blade which is spirally formed on an outer surface of the rotary shaft. A lead angle θ of the screw blade 5a satisfies a condition of “0.46 rad ≦θ≦0.79 rad”. A ratio (h / D) between height h of the screw blade and an outer diameter D of the screw conveyer is smaller than 0.2, and a ratio (t / h) between thickness t and height h of the screw blade is larger than or equal to 0.12.