46results about How to "Achieve secondary cooling" patented technology

The invention discloses a power distribution cabinet cooling system and method. The system has the advantages that the heat radiating area of a power distribution cabinet casing is increased through the arrangement of a first cooling fin and a second cooling fin, the heat dispersion performance is further enhanced through forming of heat emission hole in both the first cooling fin and the second cooling fin, primary cooling of the power distribution cabinet casing is realized, water in a water tank is pumped into S-shaped heat exchange tubes through a circulating water cooling principle, uniform distribution of the S-shaped heat exchange tubes in the power distribution cabinet casing can continuously absorb heat in the power distribution cabinet casing into cooling liquid in the S-shaped heat exchange tubes, secondary cooling of the power distribution cabinet casing is realized, an end part of an exhaust pipe is fixedly equipped with a fan body through a bracket through an air coolingprinciple, external air enters the interior of the power distribution cabinet casing from an air inlet pipe, and high-temperature air in the power distribution cabinet casing is discharged through theexhaust pipe, so that tertiary cooling of the power distribution cabinet casing is realized, and various cooling modes coexist.

The invention discloses an environmental-protection molding sand cooling recovery device. The device comprises a tower body, and a first separation plate, a second separation plate and a blanking collecting plate arranged in the tower body in sequence from top to bottom; a crushing bin is fixedly connected with a fixed inclined surface end, a slide inclined surface end and a first driving cam in sequence from left to right; a first return spring is arranged between the slide inclined surface end and the first separation plate; the first driving cam is matched with the right side surface of theslide inclined surface end, and can butt against the slide inclined surface end to move to the left side to realize pressing of the first return spring; when the first return spring is reset, the slide inclined surface end can be driven to move to the right side; a discharge port is formed in the lower part of the blanking collecting plate; and the tower body is provided with a cooling intake endon the left side wall and an air collecting device on the right side wall. The device cools molding sand through the cooling intake end and the air collecting device, achieves better cooling effect,and is compact in structure, convenient to use, energy-saving, environment-friendly and suitable for wide application in cooling recovery of the molding sand.

The invention relates to fireproof cable conveying equipment with an annealing function, and belongs to the field of fireproof cable preparation. The equipment is used for achieving the functions of conveying and annealing a fireproof cable. The equipment comprises a base support and a fireproof cable conveying passage arranged on the base support, wherein the fireproof cable conveying passage isprovided with an induction heating box, a first cooling box and a second cooling box sequentially in the conveying direction of the fireproof cable, the induction heating box further comprises a high-temperature cavity, a thermal insulation layer, an induction coil and a first protection layer and is used for heating the fireproof cable, the first cooling box and the second cooling box are matchedto realize cooling of the fireproof cable, and a control module controls the heating and cooling process of the fireproof cable according to detection information of a detection module. Therefore, the annealing efficiency of the fireproof cable is improved, and resource waste is effectively reduced.

The invention discloses a cooling device for research on low-alloy smelting of vanadium and an application method of the cooling device, and relates to the technical field of vanadium smelting equipment. The cooling device comprises a smelting treatment box, wherein a stirring tank is fixedly connected to the interior of the smelting treatment box; a stirring quantitative component is installed in the stirring tank; the stirring quantitative component comprises an agitator arm and a through hole; and a sleeve is rotationally connected to the interior of the stirring tank. The device has the beneficial effects that the stirring quantitative component is arranged, the falling speed during vanadium smelting is controlled, and the blockage condition is avoided, the service life of the equipment is prolonged; a rotating component is arranged, the two components are driven to operate by only installing one motor, and the cost is greatly saved; a water curtain plate and a negative pressure fan are arranged, overall cooling treatment of the interior of the smelting treatment box is achieved; a spraying cooling component and a temperature sensor are arranged, the cooling treatment efficiency of the interior of the smelting treatment box is improved, and secondary cooling is achieved.

The invention belongs to the field of heat exchanger equipment, and particularly relates to a tube plate mounting structure of a quick-connection type tubular heat exchanger for chemical engineering.The tube plate mounting structure comprises a shell; a tube box is fixedly connected to the shell through a flange; tube plates are in threaded connection at the two ends, close to the tube box, of the shell; the tube box and the tube plates are arranged in a matched manner; heat exchange tubes are detachably connected to the tube plates; one end of each heat exchange tube is connected with one tube plate in a clamping manner, and the other end of the heat exchange tube is fixedly connected with the other tube plate through a limiting mechanism; and the heat exchange tubes are connected with the shell through baffle plates in a matched manner. According to the tube plate mounting structure, the heat exchange tubes which are detachably connected are arranged, the situation that normal use of equipment is affected by the condition of insufficient soldering or desoldering of welding spots in the welding process of the heat exchange tubes and the tube plates is avoided, meanwhile, workerscan effectively and conveniently conduct detection and replacement operation on the equipment, the labor intensity of the workers in the operation process is reduced, and the repair efficiency of theequipment is improved.

The invention provides a full-automatic fireproof cable production line. The full-automatic fireproof cable production line comprises an insulating layer automatic feeding system, a cabling system, rounding equipment and conveying equipment with an annealing function; the insulating layer automatic feeding system is used for drying and cooling a fireproof powder filler; the treated fireproof powder filler enters the cabling system for later use; the cabling system is used for cabling a fireproof cable; the rounding equipment is arranged at the downstream of the cabling system and used for rounding the fireproof cable cabled by the cabling system; the conveying equipment with the annealing function is arranged at the downstream of the rounding equipment and is used for carrying out annealing treatment on the fireproof cable rounded by the rounding equipment. According to the full-automatic fireproof cable production line, full automation of cable production is achieved, the number of operators needed by the whole production line is small, the labor intensity is greatly reduced, the production efficiency is improved, the performance of cables produced and machined in the same time ismuch higher than that of cables produced and machined in an existing method, and the quality of the machined cables is guaranteed.

An improved high-temperature atmosphere multistage circulating cooling superhigh-temperature sintering furnace comprises a furnace body, a gas outlet pipe, a gas inlet pipe, a first cooling device anda second cooling device. A heat screen assembly is arranged in the furnace body. The first cooling device comprises a fan, fan blades, a first coil pipe and a forced cooling tank. The fan blades arearranged in the forced cooling tank. The output end of the fan is connected with a fan blade shaft so as to drive the fan blades to rotate. The first coil pipe is arranged at the air inlet ends of thefan blades. The second cooling device comprises a second left baffle, a second right baffle and a second coil pipe. The second coil pipe is arranged between the second left baffle and the second right baffle. In the improved high-temperature atmosphere multistage circulating cooling superhigh-temperature sintering furnace, the fan in the first cooling device is used for drawing out hot gas in thefurnace body, and through cooling of the first coil pipe and the second cooling device, first-stage cooling on the gas is achieved; and the second cooling device comprises the second left baffle, thesecond right baffle and the second coil pipe, the second coil pipe achieves second-stage cooling on the gas, and therefore the cooling efficiency is improved.

The invention discloses a reaming groove for a wet black silicon machine and a reaming method of the reaming groove. The reaming groove comprises a main groove, an auxiliary groove, a cold-heat exchanger and a liquid guide tube for forming a liquid flow circuit; design of the main groove and the auxiliary groove is mainly used for releasing certain heat after reaction of a silicon wafer is completed, so that overflowing liquid medicine is effectively cooled through the design of capillary tubes in the auxiliary groove; meanwhile, the cold-heat exchanger is also arranged, so that secondary cooling for the liquid medicine is achieved and the preparation quality of black silicon is effectively ensured; and the liquid medicine overflows into the auxiliary groove from the main groove, and meanwhile, the liquid medicine is conveyed through liquid inlet pipes in which a plurality of liquid outlet holes are distributed, so that the uniformity of a chemical solution is ensured to the maximum extent.

The invention discloses an intelligent atomization cooling tower device and a control method thereof. The intelligent atomization cooling tower device comprises a tower body, atomization modules arranged in the tower body, and an intelligent control system, wherein the tower body is equipped with a water inlet pipe and a water outlet pipe; each atomization module comprises an atomization device and an atomization push device; each atomization device comprises an atomization spray head and an atomization water inlet pipe, one end of each atomization water inlet pipe communicates with the corresponding atomization spray head, and the other end of the atomization water inlet pipe communicates with the water inlet pipe; each atomization push device is provided with a sensing component, a pressurization device and a fan blade, each pressurization device is connected with the corresponding atomization water inlet pipe and pressurizes the corresponding atomization spray head, and each fan blade is arranged at the lower end of the corresponding atomization spray head and driven by the reaction thrust generated through the injection of the corresponding atomization spray head, so that cold air enters a tower to carry out heat exchange with atomization water drops; and the intelligent control system is further arranged, and comprises a control mainframe PLC, an automatic control circuit and the sensing components, the running parameters of the cooling tower and the atomization modules, which are acquired by the sensing components, are transmitted to the control mainframe PLC through the automatic control circuit, and the cooling tower is controlled through the control mainframe PLC.

The invention discloses an air-water cooling circulation system with a water pool and a pore plate tray. The air-water cooling circulation system comprises heat dissipation equipment, a connecting airduct, air-water cooling equipment, the water pool, a water pump, a water tower and an external water source; and an outlet of the heat dissipation equipment communicates with the air side of the air-water cooling equipment through the connecting air duct, an outlet of the water pool communicates with a water side inlet of the air-water cooling equipment through the water pump, a water side outletof the air-water cooling equipment communicates with an inlet of the water tower, and the pore plate tray is arranged at a bottom outlet of the water tower, wherein the water pool is located under the pore plate tray, a cooling fan is arranged at the bottom of the water tower, and an external water source communicates with the water pool. According to the system, the temperature difference between supplied water and returned water can be effectively increased.

A water radiator aims to solve the technical problem that in the prior art, high-temperature fluid in an upper water chamber and low-temperature fluid in a lower water chamber do not exchange heat with the outside basically, so that the radiating efficiency of a radiator is low. The water radiator comprises a radiating core, an upper water chamber assembly and a lower water chamber assembly are arranged at the two ends of the radiating core respectively, a side plate used for packaging the radiating core is arranged between the upper water chamber assembly and the lower water chamber assembly, the upper water chamber assembly comprises an upper water chamber used for containing high-temperature fluid, and the lower water chamber assembly comprises a lower water chamber used for containing low-temperature fluid. The upper water chamber and the lower water chamber can exchange fluid with the radiating core, an upper water chamber partition plate is arranged in the upper water chamber, and a lower water chamber partition plate is arranged in the lower water chamber.

The invention belongs to the technical field of processing holes in metal products, and particularly relates to an automobile accessory perforating device. The device comprises a rack, the rack is fixedly provided with a first motor and further rotationally connected with a workbench, the workbench is provided with a preformed hole, the output shaft of the first motor is fixedly connected with a cam with which a connecting rod is fixedly connected, a connecting block is fixedly connected with the connecting rod, a second motor is fixedly arranged on the connecting block, a drill bit is fixedlyconnected with the output shaft of the second motor, the rack is further fixedly provided with a piston cylinder, a spring is connected between a piston and an inner wall of the piston cylinder, a pawl is further arranged on a piston rod, a ratchet wheel is rotationally connected with the rack, a first gear is coaxially connected with the ratchet wheel, a gear rack is meshed with the first gear,a second gear is meshed with the gear rack, the second gear is coaxially connected with a first bevel gear, and a second bevel gear, which is coaxially connected with the workbench, is meshed with thefirst bevel gear. By adopting the technical scheme, holes can be uniformly drilled in the circumferential direction in a workpiece, and the automobile accessory perforating device is mostly used fordrilling holes in the circumferential direction in the workpiece.

The invention provides an extrusion-screw puffing cavity structure. The structure comprises a puffing cavity and a screw accommodating in the cavity and is characterized in that the puffing cavity comprises a feeding conveying cavity, a first-segment high-temperature heating cavity, a second-segment high-temperature heating cavity, a low-temperature heating cavity and a third-segment high-temperature heating cavity which are distributed from a feeding end to a discharging end in sequence; a first-segment high-temperature heating resistance wire, a second-segment high-temperature heating resistance wire and a third-segment high-temperature heating resistance wire are arranged outside the cavity walls of the first-segment high-temperature heating cavity, the second-segment high-temperature heating cavity and the third-segment high-temperature heating cavity respectively, a refrigerant cavity is formed outside the cavity wall of the low-temperature heating cavity, and cavity wall of the low-temperature heating cavity is sunken inwards to be provided with a material passage the diameter of which is gradually decreased at first and then gradually increased. The cavity structure comprises the four segments of heating cavities including the first-segment high-temperature heating cavity, the second-segment high-temperature heating cavity, the low-temperature heating cavity and the third-segment high-temperature heating cavity, in this way, materials discharged from the cavity structure are subjected to heating processes of temperature increasing, temperature decreasing, temperatureincreasing and temperature decreasing, secondary temperature increasing and secondary temperature decreasing of the materials can be achieved, and puffed products with better quality are convenientlyobtained.