81results about How to "Large cooling range" patented technology

The invention relates to a bituminous concrete pavement renovation and construction all-in-one machine for a road. The bituminous concrete pavement renovation and construction all-in-one machine comprises a supporting device, a drying device, a shoveling device, a cleaning device and a paving device, wherein the drying device is mounted at the bottom of the left end of the supporting device; the shoveling device is mounted at the bottom of the supporting device; the shoveling device is located on the right side of the drying device; the cleaning device is mounted at the middle part of the supporting device; the paving device is mounted at the right end of the supporting device. The bituminous concrete pavement renovation and construction all-in-one machine for the road can solve the problems that a pavement cannot be dried completely, pavements with different slopes and gradients cannot be dried, pavements on two sides of the road cannot be dug, gravels on the road are difficult to grab, gravels on the side walls of a dug roadbed cannot be effectively cleared away, the dug roadbed is cleaned incompletely, bituminous concrete is stirred incompletely, and the bituminous concrete cannot be uniformly spread on the dug roadbed.

A device for hardening an Ethernet switch is disclosed. The device provides cooling for the switch, and, suppresses electrical transients and electromagnetic interference, which could affect the power supply, and data transmission of the Ethernet switch. Using this device, the Ethernet switch can be used in harsh industrial environments, such as those present in power utility substations.

A heat sink for cooling a heat generating member, provided with a first cooling part which cools the peripheral edge part of the heat generating member and a second cooling part which cools the center part of the neat generating member, the first cooling part is equipped with a first base member having first fins on the top surface thereof and a recess at the bottom surface thereof, the second cooling part is equipped with a second base member which can be accommodated in the recess, a slide member which is provided on the top surface of the second base member and which is inserted in a through hole which is provided in the recess, second fins which are provided on the free end of the slide member, and a cooling water passage which is provided inside of the second base member and which is supplied with cooling water.

The invention discloses a chemical raw material tank cooling system, which comprises a tank body, the top of the tank body is provided with a feed port, the bottom of the tank body is provided with a bracket, and the top of the tank body is provided with an annular water pipe. The lower end of the annular water pipe is provided with a plurality of spray ports; the top of the support is provided with an annular sump close to the outer wall of the tank, and the bottom of the sump is provided with an outlet pipe, which is connected to the water pump. The water pump is connected to the annular water pipe through the water inlet pipe. The chemical raw material tank cooling system of the present invention has reasonable structural design, fast cooling speed, and high cooling efficiency. The present invention has the advantages of simple structure, convenient use and maintenance, low cost, and high work efficiency.

The invention discloses a stirring device for preparing phytosterol, and relates to the technical field of preparation of phytosterol. The stirring device mainly aims to solve the problems that an existing device has a stirring dead zone, and the stirring efficiency is reduced. The stirring device comprises a cylinder body and a stirring device body arranged in the cylinder body, and further comprises a mounting plate, a reciprocating lead screw, a movable block, bevel gears and annular inner bevel gear rings; the stirring device body comprises a stirring shaft, a driving motor and stirring rods, wherein the driving motor is used for driving the stirring shaft to rotate, and the stirring rods are arranged on the stirring shaft; a cooling pipe is arranged at the lower part of an inner cavity of the cylinder body and is connected to the side wall of the cylinder body in a rotating mode through a sealing bearing; and a driving mechanism used for driving the cooling pipe to rotate is arranged on the outer wall of the cylinder body and comprises a second motor, a driving gear and a driven gear. According to the stirring device, the stirring device body is arranged, so that the stirring range is widened, and therefore the stirring efficiency is improved; and the crankshaft-shaped cooling pipe and the driving mechanism for driving the cooling pipe to rotate are arranged, so that the cooling pipe can fully and uniformly make contact with liquid, and therefore the cooling range is widened, and the cooling efficiency is improved.

The invention provides a preparation method of an ammonium persulfate crystal. The preparation method comprises the following steps of: adding an ammonium persulfate seed crystal into a mixed solution of ammonium persulfate and ammonium sulfate at 25-35 DEG C under the stirring action of a push-type stirrer with a guide cylinder to carrying out seeding; slowly heating to 0.5-1 DEG C; and cooling to -3 to -10 DEG C at a cooling rate of 3-18 DEG C / h, and carrying out cooling crystallization to obtain the ammonium persulfate crystal. The average particle size of the ammonium persulfate crystal is greater than 800 microns. According to the preparation method of the ammonium persulfate crystal of the present invention, the push-type stirrer with the guide cylinder is used, the micro-amplitude 0.5-1 DEG C heating process is performed, and a cooling range is extended; and the growth and crystallization process of the crystal can be well controlled through the synergistic effect of a plurality of factors, and therefore, the purity, the uniformity and the average particle size of the crystal can be increased, the anti-caking performance of the ammonium persulfate crystal can be improved, and the application range of the product is greatly extended.

The invention relates to urban municipal road transformation construction integrated equipment. The urban municipal road transformation construction integrated equipment comprises a supporting device,a drying device, a shoveling device and a paving device; the drying device is mounted at the bottom of the left end of the supporting device; the shoveling device is mounted at the bottom of the supporting device and located on the right side of the drying device; and the paving device is mounted at the right end of the supporting device. According to the urban municipal road transformation construction integrated equipment, the problems that in existing road surface construction, drying of the road surface is not thorough, drying treatment of the road surfaces with the different inclinationsand gradients and excavating of the road surfaces on the two sides of a road cannot be achieved, grabbing of road fragments is troublesome, asphalt concrete is stirred insufficiently, and the situation that an excavated roadbed is paved with the asphalt concrete uniformly cannot be achieved can be solved; and the functions that in road surface construction, the road surface is dried comprehensively and thoroughly and is excavated and shoveled thoroughly, and the roadbed is paved with the asphalt concrete uniformly can be achieved.

A device for hardening an Ethernet switch is disclosed. The device provides cooling for the switch, and, suppresses electrical transients and electromagnetic interference, which could affect the power supply, and data transmission of the Ethernet switch. Using this device, the Ethernet switch can be used in harsh industrial environments, such as those present in power utility substations.

The invention discloses a rapid cooling device for a joint of a lining stainless steel pipe. The rapid cooling device comprises a base, wherein the two ends of the upper parts of the surfaces, opposite to each other, of bottom vertical plates are symmetrically and fixedly connected with a transverse plate; a water outlet pipe communicates with the middle position of the bottom of a water tank; a sprayer is fixedly connected to the bottom of the water outlet pipe; a motor is fixedly arranged on the side wall of a support; an output shaft of the motor is fixedly connected with one short shaft, and the other end of the short shaft penetrates through the side wall of one vertical plate; a driving wheel fixedly sleeves the outer wall of the short shaft and is connected with a driven wheel through a belt; the inner ring of the driven wheel fixedly sleeves a rotating shaft, and the other end of the rotating shaft penetrates through another vertical plate to be fixedly sleeved with the inner ring of a driven wheel which is far away from the motor; the side wall of the other end of a cylinder and the side wall of a turntable on the left side are rotatably attached with a clamping column andfixedly connected with a clamping column respectively; fixing grooves are respectively formed in the surfaces, opposite to each other, of the clamping columns; and the steel pipe is movably clamped in the fixing grooves. According to the rapid cooling device, the rotating shafts are utilized to rotate, so that the turntables at the two ends of the device are further driven to simultaneously rotate, finally the steel pipe are made to rotate along with the turntables, and the cooling range is wider.

The invention relates to a smoke discharging and cooling afterheat recycling system and the dust removal technology in arc furnace. It connects the heat pipe steam generator with burning sedimentation chamber through insulated pipeline. The heat pipe steam generator connects to dust remover that connects the main blower fan. The main blower fan connects to exhaust mast. The smoke exhausts from arc furnace and coming into burning sedimentation chamber after mixing with cold wind in water cooling sliding sleeve. The smoke from the burning sedimentation chamber would come into the heat pipe steam generator. After taking dust removing to the smoke from the heat pipe steam generator, the main blower fan would press into exhaust mast and exhaust into atmosphere. The invention could effectively cool the high temperature smoke and recycle the heat energy in smoke, and improve the dust removing ability. It could lower running cost, and satisfy normal producing request.

The invention relates to the technical field of motor transmission, and discloses an air cooling-water cooling hybrid cooling permanent magnet roller, which comprises a main shaft (10), and a reciprocating water pipe (4) and fans (6) which are arranged in a stator cavity (5), wherein the main shaft (10) is provided with perforated radial plates (8) which are evenly distributed in the axial direction or rib plates (18) which are evenly distributed in the radial direction, the reciprocating water pipe (4) is fixed to the perforated radial plates (8) or the rib plates (18), and the fans (6) are evenly distributed on the main shaft (10) at the ends of the perforated radial plates (8) or the rib plates (18) in the circumferential direction. According to the permanent magnet roller provided by the invention, a stator coil assembly is cooled by a conventional cooling water path, and cooling water flows through a water pipe through a reciprocating water pipe, so that the heat dissipation areaof the cooling water in the stator cavity of the permanent magnet roller is increased; and hot air in the stator cavity is blown to the surface of the water pipe by a fan to exchange heat with the cooling water in the water pipe, so that the water-cooling heat dissipation area is increased, and the water-cooling effect is improved.

The invention discloses a multi-tube combined type spiral cooler. Vertical type tubular spiral cooling units of a plurality of independent units are combined together to form a combined part. Each independent unit comprises a tubular outer shell. One end of each outer shell is provided with a feed port used for feeding high-temperature powdery materials, and the other end of each outer shell is provided with a discharge port used for discharging the materials. The peripheral side of the portion, between the feed port and the corresponding discharge port, of each outer shell is provided with a cooling water jacket. One end of each cooling water jacket is provided with a water inlet used for injecting cooling water into the corresponding cooling water jacket, and the other end of each cooling water jacket is provided with a water outlet used for draining the cooling water. A main shaft is arranged in each outer shell and fixed to the corresponding outer shell through bearings of the two ends of the main shaft and accessories of the bearings to form a shafting part which can rotate, and each shafting part is provided with spiral blades. The end of each outer shell is provided with a power device. The combined part is provided with a feed hopper which is connected with the feed ports of all the independent units and used for distributing the high-temperature powdery materials. The combined part is provided with a discharge hopper which is connected with the discharge ports of all the independent units and used for collecting and discharging the materials.

The invention discloses a high-strength double-door type metal art villa door. The door comprises a door frame, a door beam and a door body, wherein the door beam is arranged at the top of the door frame, the door body is movably connected in the door frame through hinges, two decorative columns are arranged in the middle of the outer surface of the door frame, the two ends of each decorative column are fixedly connected with the door frame through mounting seats, and a temperature sensor is arranged on each mounting seat. The door has the beneficial effects that when the temperature sensors detect that the outside temperature is high, a controller starts a water pump, refrigerators and a cooling fan through a storage battery, a plurality of refrigerators conduct low-temperature treatment on water in a refrigeration cavity, and then a water pump conveys the low-temperature water into a water conveying sub-pipe and a communicating sub-pipe through a water conveying main pipe and a communicating main pipe, the low-temperature water in the water conveying sub-pipe can form water mist through a plurality of water conveying branch pipes and atomizing nozzles to be sprayed out, meanwhile, the cooling fan outputs air flow, the air flow drives the water mist to flow, and therefore the cooling range of the water mist is enlarged, and meanwhile the water mist is distributed more evenly.