13 results about "Heat transfer efficiency" patented technology

The invention is a kind of heat reservoir of heat storage pump air conditioner device, which is made up of bleak lead and olefin compound phase change heat storage material, a spiral plate pipe heat exchanger whose surface has petal fins and cylinder container. The spiral plate heat exchanger is set in the cylinder container, the black lead and the olefin compound phase change material are filled in the container space out of the spiral plate heat exchanger, the cooling media flows in the pipes of the exchanger, and carries on heat exchanging with compound phase change heat storage material through the pipe walls and the fins, it realizes the storage and the release of the heat quantity. The black lead and the olefin compound phase change heat storage material are the standard phase change material; it maintains solid state when carrying on phase change, it has no liquid leakage problem. The heat conducting efficiency is high.

A heat pipe structure includes a main body having a chamber. The chamber has a first side and a second side. A first capillary structure and a second capillary structure are respectively disposed on the first and second sides. A working fluid is filled in the chamber. The first capillary structure has a radial extension range larger than or equal to one half of a circumference of inner wall face of the chamber and larger than a radial extension range of the second capillary structure. The first and second capillary structures are connected with each other. The first and second capillary structures and the inner wall face of the chamber together define at least one vapor passage. By means of the heat pipe structure, the amount of transferred heat is increased and the heat transfer efficiency is greatly enhanced.

A heat transfer duct fastening structure aims to firmly mount a heat transfer duct onto a heat conductive base to increase heat transfer efficiency and facilitate heat dissipating of an electronic device and prevent the electronic device from being damaged at high temperature. The structure includes the base and the heat transfer duct. The base is a good heat conductive element and has a coupling portion to receive the heat transfer duct. The heat transfer duct and the inner wall of the coupling portion are soldered together through a soldering paste. Thus heat generated by the electronic device can be transmitted through the base and heat transfer duct and released to the air.

The invention discloses an electromagnetic heating warmer, comprising a heat-transfer pipe made of a ferromagnetic material, an insulated isolating support frame and an electromagnetic coil, wherein the heat-transfer pipe is closed on the two ends and is vacuumized; liquid medium is filled inside the heat-transfer pipe and has the volume less than that of the heat-transfer pipe; the insulated isolating support frame is cylindrically sleeved on the outer wall at one end of the heat-transfer pipe; and the electromagnetic coil is cylindrically wound on the insulated isolating support frame. By using the heat-transfer pipe, the cylindrical electromagnetic coil wound at one end of the heat-transfer pipe and the insulated isolating support frame as core structural members, the electromagnetic heating warmer has simple structure and is easy to assemble; by adopting a tightly heating mode, the electromagnetic coil and the heat-transfer pipe have high electrothermal conversion and heat transfer efficiencies; and the whole warmer has the characteristics of compact structure, light weight and small size.

The invention discloses cracking equipment, which comprises a cracking cylinder and a combustion cylinder, wherein the combustion cylinder is hermetically sleeved on the periphery of the cracking cylinder, and the cracking cylinder rotates oppositely to the combustion cylinder arranged fixedly; the cracking equipment further comprises a gas communication cavity arranged in the cracking cylinder and separated from the interior of the cracking cylinder, the gas communication cavity communicates with the combustion cylinder so that the heating gas of the combustion cylinder is introduced into thegas communication cavity, and the cavity body wall of the gas communication cavity is used for transferring heat to the material in the cracking cylinder; the solid waste cracked in the cracking cylinder is conveyed into the combustion cylinder through a material return conveyor. The heating gas of the combustion cylinder provided by the application is introduced into the gas communication cavity, and the cavity body wall of the gas communication cavity greatly increases the heat transferring area in the cracking cylinder, so that the material can be in contact heat transferring with the cavity body wall of the gas communication cavity and the inner cylinder wall of the cracking cylinder at the same time, and the heat transferring efficiency is improved. In addition, the solid waste in the cracking cylinder is conveyed into the combustion cylinder for combustion by the material return conveyor, and the resource waste is reduced.

The invention provides a device for recycling waste heat generated in a procedure of acid making and conversion of sulphide ore, belonging to the field of recycling residual heat resources. The device for recycling the waste heat generated in the procedure of acid making and conversion of sulphide ore comprises a heat exchanger and an absorption tower, and is characterized in that a connecting heat pipe evaporator is arranged between the heat exchanger and the absorption tower, and the heat pipe evaporator is merged into a low-pressure steam through a steam manifold. The heat pipe evaporator comprises a flue gas channel (1), a heat pipe (2), water sleeves (3), an ascending pipe (4), a steam manifold (5) and a descending pipe (6), wherein the heat pipe (2) is arranged in the flue gas channel (1), the water sleeves (3) are respectively arranged on the upper end of the heat pipe (2), the water sleeve (3) is connected with the steam manifold (5) through the ascending pipe (4), the steam manifold (5) is connected with another water sleeve (3) through the descending pipe (6). The device has the advantages of small flow resistance, high heat transfer efficiency, compact device structure, light weight, and convenience for maintenance, and effectively prevents the boiler feed water from leaking in the fuel gas channel.

The invention discloses a high-heat-dissipation modular transformer substation box. The transformer substation box comprises a box body, wherein a first water tank is arranged on a lower side of the box body, the box body is supported through supporting columns arranged in a rectangular mode, a temperature sensor is arranged in the box body, the first water tank is connected with a water inlet pipe, a submersible pump and an electronic liquid level meter are arranged in the first water tank, and the submersible pump is connected with a second water tank through pipelines; the second water tankis located at the upper side of the middle part of the box body, and a vertical upward ventilation pipe is arranged in the second water tank, and an upper end of the ventilation pipe runs through thesecond water tank. The ventilation area of the lower side is changed through the shaking plates on the two sides so as to adapt to different heat dissipation effects, water is spread through step plates, the inclined plates and the water absorption layers on the shaking plates, the evaporation area of the water is increased; heat transfer efficiency is improved, and then the local temperature ischanged, the upper side of a semiconductor chilling plate generates heat, a lower side of the semiconductor chilling plate refrigerates, and hot air rises, so the negative pressure is formed in the vent pipe to form air flow, and the lower side of the semiconductor chilling plate refrigerates and enters the box body through airflow and the fan.

The invention discloses a finned tube fluidized bed heater. The finned tube fluidized bed heater comprises a shell, a vertical tube bundle and a gas distributor. The vertical tube bundle is composed of a plurality of finned tubes. Each finned tube comprises a light tube and fins, wherein the fins are longitudinally welded to the surface of the light tube. The fins include different structures, andspecifically, a fin bending structure, a fin trepanning structure, a fin notching structure and a fin structure in the combined form of the three kinds of fins are included. According to the finned tube fluidized bed heater, heat transfer is enhanced, and the heat transfer efficiency is improved.

The invention provides an electric heating tube with high output power and high heat transfer efficiency. The electric heating tube comprises a mounting seat and a heating mechanism, wherein the heating mechanism comprises a straight heating tube and two arc-shaped heating tubes which are integrally formed, the straight or arc-shaped heating tubes comprise heating wires and metal tubes, and a filling layer is arranged between the heating wires and the metal tubes; cooling fins are wound on the heating wire, and a plurality of grooves are evenly formed in the outer surface of the metal tube at intervals. The electric heating tube is novel in structural design, heat dissipation can be enhanced, the heat dissipation efficiency of the electric heating tube is improved, and then the heating and defrosting effects are improved.

The invention provides a special plate-fin heat exchanger capable of being conveniently inspected and installed, and relates to the field of heat exchangers. The heat exchanger comprises a core body,wherein the core body comprises a channel for fluid circulation, the channel comprises hot channels for hot fluid circulation and cold channels for cold fluid circulation, the hot channels and the cold channels are sequentially alternatively arranged from top to bottom, partition plates are arranged between the hot channels and the cold channels, the channels are in an annular shape, fins are arranged in the channels, the fins divide the channels into a plurality of fin channels, the fin channels are arranged in the radial direction of the channels, and the widths of the fin channels are gradually increased from the ends close to the circle centers of the channels to the other ends away from the circle centers of the channels. According to the special plate-fin heat exchanger capable of being conveniently inspected and installed, the widths of the fin channels are gradually increased from one ends to the other ends, and the problems that due to the fact that the width of a flow channelis not changed in the prior art, hot fluid is gradually cooled, so that the speed of the hot fluid becomes slow, and the heat transfer efficiency is low are solved.

The invention belongs to the technical field of piping of heat exchangers and particularly relates to a piping structure suitable for a heat exchanger with phase change. The piping structure comprises a casing, a gas-phase condensation integral piping area and/or a liquid phase boiling integral piping area is/are arranged in the casing, and mutually communicated gas channels for dividing the integral piping area into a plurality of local piping areas are arranged in the gas-phase condensation integral piping area and/or the liquid phase boiling integral piping area respectively. The gas channels comprise a plurality of transverse gas channels, longitudinal gas channels and inclined gas channels. Gas channels are introduced into the piping structure suitable for the heat exchanger with phase change, namely the combined transverse gas channels, longitudinal gas channels and inclined gas channels communicated mutually are arranged in the integral piping areas, therefore, the gas phase overflow rate between tubular bundles is effectively increased, the gas flow condition and heat conduction working condition between the tubular bundles are improved remarkably, heat conduction efficiency is effectively increased under the conditions that the caliber of the device is not increased, the piping structure suitable for the heat exchanger with phase change is easy to apply and popularize, and fine design is facilitated.

The invention relates to the technical field of solar photo-thermal utilization, and provides a superconducting heat pipe solar water heating system. The superconducting heat pipe solar water heating system comprises at least one set of superconducting heat pipe heat collectors, each superconducting heat pipe heat collector comprises a header, a flow guide pipe is arranged in the header, and a heat conduction pipe extending in the length direction of the flow guide pipe is arranged in a pipe body of the flow guide pipe. A cavity between the pipe body and the heat conduction pipe is a flow channel, an inner cavity of the heat conduction pipe is a heat conduction chamber, the two ends of the heat conduction pipe are closed, and the heat conduction chamber is completely isolated from the flow channel. A plurality of superconducting heat pipe insertion holes arranged in the length direction of the flow guide pipe are formed in the flow guide pipe, superconducting heat pipes are inserted in the flow guide pipe, a vacuum pipe sleeves pipe bodies of the superconducting heat pipes, and heat dissipation parts of the superconducting heat pipes penetrate through superconducting heat pipe insertion holes to be inserted into the heat conduction chamber. The superconducting heat pipe solar water heating system can be suitable for extremely cold conditions, and is low in manufacturing cost, high in heat transfer efficiency and long in service life.