32results about "Indirect heat exchangers" patented technology

A noise-reducing attachment apparatus for a heat exchanger door is provided for facilitating attenuation of noise emanating from an electronics rack. The apparatus includes a frame structure configured to coupled to the heat exchanger door. The door includes in air opening and air-to-liquid heat exchanger, and air passing through the air opening also passes across the heat exchanger. The air opening facilitates passage of external air through the electronics rack. The frame structure defines in part an airflow channel through the apparatus, wherein air passing through the air opening also passes through the airflow channel when the apparatus is operatively coupled to the door. An acoustically absorptive material, which is coupled to the frame structure and at least partially defines the airflow opening through the apparatus, is selected and positioned to attenuate noise emanating from the electronics rack when the apparatus is coupled to the heat exchanger door.

A temperature regulation system has a polished surface sufficiently smooth so as to reduce the emissivity of the surface. A conduit is in thermal proximity to the polished surface and is in communication with a source of coolant. The coolant is circulated through the conduit so as to transfer heat from the surface to the coolant. System may include a sprayed-on resistive heater. An a temperature controlled vessel has a heat transfer wall that is of an electrically conductive material that is coated with a durable thermally conductive and electrically nonconductive coating. The coating may be a sprayed on coating and the vessel may hold a buffer for performing electrophoresis.

A heat dissipation device and a radio frequency module with the same are provided. The heat dissipation device includes a substrate (1). The substrate (1) having a surface where a heat absorbing surface (5) is formed. There are multiple hollow conduits inside the substrate (1) to act as evaporating conduits (6). The heat dissipation device further comprises condensing conduits (7) intercommunicated with the evaporating conduits (6). The evaporating conduits (6) and the condensing conduits (7) form sealed conduits. The sealed conduits are filled with liquid which vaporizes upon heating. At least the evaporating conduits (6) are set in the substrate (1).

A method of operating a furnace having process tubes and multiple burners where it is desired to conform the temperatures of the process tubes to selected target temperature criterion. The present method provides a systematic and quantitative approach to determine how to adjust burner flow rates to result in desired tube wall temperatures, for example to minimize the temperature deviation between tube wall temperatures at a predetermined elevation in the furnace.

The invention relates to a heat radiation member and a cabinet to be installed outdoors in a hermetic state, having a heat radiation function for heat radiation of devices contained therein. The object of the invention is to facilitate maintenance, downsize the cabinet, and prevent occurrence of noise. It includes: a cabinet body containing a heat source; a cover member attached to an aperture of the cabinet and having a guide portion guiding, to an exterior of the cabinet, a heat transfer member for transferring therethrough heat from the heat source by use of a hydraulic fluid; and a heat radiation part being a thermal conductor and in contact with the heat transfer member on a face and covering the heat transfer member from the exterior of the cabinet and having a heat radiation member on a face opposite to the face in contact with the heat transfer member.

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.

The invention provides a flat-type-type water sublimation cold plate for aerospace radiation. The flat-type-type water sublimation cold plate is composed of a cover plate, a teflon cushion block, a sealing ring, a perforated plate, a metal foam or micropore fin, a base body, a water supply channel sealing pressing plate, a water supply pipeline, a connecting bolt and a lock nut. A water supply channel is formed in the bottom face of the base body in the circumferential direction. The installation space matched with the metal foam or micropore fin, the perforated plate and the sealing ring is reserved in the upper surface of the base body. The metal foam or micropore fin is located inside the installation space, the perforated plate is located above the metal foam or micropore fin, and the metal foam or micropore fin is compressed onto the base body through welding of the perforated plate and the base body. A plurality of through holes are formed in the contact face of the base body and the metal foam or micropore fin in the thickness direction. The through holes are communicated with the water supply channel. A reinforcing rib and an air outlet channel are arranged on the cover plate. According to the flat-type-type water sublimation cold plate for aerospace radiation, the triple-point characteristics of water working media are utilized for sublimating the water working media through the structural design, and therefore the radiating function is achieved.

The invention discloses a heat pipe, a manufacturing method of the heat pipe and equipment comprising the heat pipe, mainly relates to a capillary core of the heat pipe and a manufacturing method of the capillary core, and belongs to the technical field of heat conduction. According to the manufacturing method, a positioning tool and a metal net are mainly used, metal powder is arranged and limited in a specific space position in a pipe shell, and the technical problems that in the sintering process in which a traditional method is adopted, the metal powder is bonded with a core rod, when thecore rod is pulled out after sintering, the capillary core is prone to damage, and even a waste product occurs, and the technical problems that core rod is used for separating the reducing atmospherefrom the metal powder, so that the reducing effect is poor, secondary sintering is generally needed, and the energy consumption and the thermal pollution are large can be comprehensively or correspondingly solved; and the technical situations that the capillary core of the sintered layer is damaged due to the deformation processes of bending, flattening and the like can be relieved or avoided, andthe process route in which bending is carried out first, and then sintering is carried out can be realized. The method is applied to manufacturing of the heat pipes (including hot columns and ultra-thin heat pipes). The heat pipe is applied to equipment or a device requiring heat transfer or heat dissipation through the heat pipe.

A heat dissipating apparatus includes a thermal conducting base and heat pipes connected to the thermal conducting base. Each heat pipe includes a heated section and a heat dissipating section. The portion connected to the thermal conducting base is the heated section, and the heat dissipating section is extended outward from the thermal conducting base. In the heat pipes, at least one heat dissipating section of the heat pipe is extended outward from a lateral side of the thermal conducting base, and the heat dissipating section of the heat pipe is situated at a position higher than the heated section, and fins are disposed on the heat dissipating section of the heat pipe. Therefore, the heat pipe guides the heat absorbed by thermal conducting base to a lateral side to dissipate heat from a nearby heat source.

A heat dissipation apparatus comprises: one or more thermosiphon heat exchange units, one or more first partitions, and a frame having at least two lattices; wherein, each of the one or more thermosiphon heat exchange units is embedded in one lattice of the at least two lattices; each lattice of the at least two lattices having no thermosiphon heat exchange unit embedded is disposed with the first partition to partition the lattice into an upper portion and a lower portion, where the first partition is detachable. The outdoor communication device comprises the heat dissipation apparatus and one or more service board. Through a modular design, the number of the embedded thermosiphon heat exchange units can be increased or decreased at any time depending on heat dissipation performance that is required.

It is proposed a two-phase heat exchanger device for a power-electronic module arrangement having a semiconductor module. The two-phase heat exchanger device includes a base plate configured for being in contact with a first semiconductor module at a first side of the base plate; and at least one tube element for a first cooling medium including a first portion having at least one evaporator channel and a second portion having at least one condenser channel. The base plate has a groove containing the tube element, wherein the groove is dimensioned for enabling thermal contact between the base plate and the first portion of the tube element and dimensioned to form a gap between the base plate and the second portion of the tube element for thermal separation of the base plate and the second portion of the tube element.

The invention discloses a manufacturing method of a capillary structure of a flat-sheet heat pipe, comprising the following steps: providing a lower cover board which has a straight heat absorption part and two extension parts extending outwards from the two opposite ends of heat absorption part in a slant way; providing a quantity of metal power; providing a die, which is an inner pore chamber having the outline thereof similar to that of the lower cover board and an opening arranged downwards, and is provided with a first holding section corresponding to the heat absorption part of the lowercover board and a second holding section corresponding to the extension parts with the depth of the first holding section larger than that of the second holding section; filling the metal power intothe die; sintering the lower cover board at high temperature to cause the metal power in the die to be sintered into a continuous capillary structure attached on the upper surface of the lower cover board, wherein the capillary structure comprises a first capillary section attached on the heat absorption part of the lower cover board and a second capillary section attached on the extension parts with the first capillary section being thinner than the second capillary section.

The invention provides a cooling and heating structure capable of high efficiently cooling single batteries constituting a battery set and heating the single batteries to an appropriate temperature range within short time before the battery set is used even at a severe cold area. The cooling and heating structure is equipped with multiple tabular single batteries (1) and multiple tabulate heating tubes (2) in a stacking manner. More specifically, the single batteries (1) and the tabulate heating tubes (2) are arranged in vertical shapes and at least one surface of the tabulate heating tubes (2) and the single batteries (1) are configured in stacking shape in a thermal contact manner. The top of the substrate (5) of the tabulate heating tubes (2) is higher than that of the single batteries (1). Similarly, the bottom of the substrate (5) of the tabulate heating tubes (2) is lower than that of the single batteries (1). The top of a main body part (5a) is equipped with a horizontal heat dissipating portion (8) vertical to the main body part (5a). Similarly, the bottom of the main body part (5a) is equipped with a horizontal heated portion (9) vertical to the main body part (5a).

The invention belongs to the technical field of energy utilization equipment, in particular to a low-temperature waste heat utilization system. The system includes an absorbing-type heat pump, a low-temperature flue gas heat exchanger and a steam condenser, a generator, an evaporator and a condenser are arranged in the absorbing-type heat pump, a condensate outlet of the condenser communicates with a water inlet of a boiler, the low-temperature flue gas heat exchanger is connected with a flue way of the boiler, and a hot water outlet of the low-temperature flue gas heat exchanger is connectedwith a hot water inlet of a generator; and the steam condenser is connected with a gas exhaust pipeline of a steam turbine, a cooling water outlet of the steam condenser is connected with a cooling water inlet of the evaporator, and a condensate outlet of the steam condenser is connected with a condensate inlet of the condenser. The waste heat utilization system can reasonably utilize the low-temperature flue gas waste heat and the waste heat produced by the cooling circulating water, and the condensate is supplied to the boiler by using the waste heat after heating, so that the low-quality waste heat in the industrial production is continuously converted into the useful energy of the production system, and the heat loss during industrial production is reduced advantageously.

The invention provides a cooling device and semiconductor refrigeration equipment. The cooling device comprises a plurality of radiators. Each radiator comprises a heat conductor, a plurality of heat pipes, a cooling fin set and a fan, wherein the heat pipes are connected to the heat conductor, the cooling fin set is connected to the heat pipes, and the fan and the cooling fin set are arranged side by side. An auxiliary heat pipe is further connected to each heat conductor, and the auxiliary heat pipe in any radiator is further connected with at least one cooling fin set in the rest of the radiators. Heat at the heat ends of semiconductor refrigeration modules is absorbed by means of the heat conductors, the heat conductors can transmit the heat to the cooling fin sets with large cooling areas through the heat pipes for automatic cooling, and the requirement for powering on the fans all the time for air cooling is avoided; and in addition, the heat conductors can conduct cooling by utilizing the cooling fin sets in the multiple radiators at the same time, so that the multiple cooling fin sets are in the cooling state all the time, and accordingly the cooling capacity of the multiple cooling fin sets is brought into full play, the cooling capacity of the semiconductor refrigeration equipment is improved, and energy consumption of the semiconductor refrigeration equipment is reduced.

The invention relates to a graded heating pulverizing system based on a heat pipe technology and a control method thereof. The system comprises a coal bunker, a coal feeder, a coal mill, a boiler, a heat pipe exchanger, a heat pipe exchanger condensation section heat exchange device, a heat pipe exchanger evaporation section heat exchange device, an air preheater and a primary fan; the heat pipe exchanger is connected with the heat pipe exchanger condensation section heat exchange device and the heat pipe exchanger evaporation section heat exchange device; the air preheater is installed at thesmoke exhaust end of the boiler and connected with the primary fan and the heat pipe exchanger evaporation section heat exchange device; and the heat pipe exchanger evaporation section heat exchangedevice is connected with the coal mill, and the heat pipe exchanger condensation section heat exchange device is connected with the outlet end of the coal mill and the boiler. Compared with the priorart, the graded heating pulverizing system based on the heat pipe technology and the control method thereof have the advantages that hot primary air energy is used for graded heating of pulverized coal through heat pipe heat exchange, the temperature of an air-pulverized coal mixture of a pulverized coal conveying system is increased, and then the boiler efficiency is improved.

The invention discloses a heat exchange device for a low-temperature afterheat generator set. The heat exchange device for the low-temperature afterheat generator set comprises a dry evaporator and a full-liquid type evaporator connected through a pipeline, wherein a liquid viewing mirror and a liquid level sensor are mounted on a barrel body of the full-liquid type evaporator. The heat exchange device adopts the combined utilization of the dry evaporator and the full-liquid type evaporator to provide high-temperature and high-pressure steam to the low-temperature afterheat generator set, so that the heat exchange efficiency and the generating capacity of the set are improved.

The invention discloses a novel fin vortex jacketed reactor which comprises a reactor body, a motor, a speed reducer, a stirring shaft, a U-shaped combined efficient stirrer, a splitter plate and heat exchange fins. A metal fin structure is additionally arranged on the inner wall of a jacket, so that the heat exchange area is increased, and the heat exchange efficiency of the jacketed reactor is improved; meanwhile, by adopting a downward spiral installation mode, a heat-conducting medium forms a turbine effect on a heat exchange surface of the reactor, so that a heat exchange channel and the flow velocity of the medium are prolonged, and the heat exchange efficiency is further improved; the shunting plate is additionally arranged between the liquid inlet pipe and the heat exchange fin layer, so that the shunting purpose is achieved, a heat-conducting medium is uniformly shunted to pass through the whole heat exchange surface, and the situation that the local heat exchange effect is poor is avoided; according to the invention, the U-shaped combined efficient stirrer is designed, so that a stirring blind area can be effectively avoided, the stirring efficiency is improved, and meanwhile, the phenomenon that materials splash upwards can be avoided.

The invention relates to the technical field of heat dissipation equipment, in particular to an oil-gas cooler which comprises a cooling shell, a braking mechanism and a cooling mechanism, the braking mechanism is located above the cooling shell, the cooling mechanism is located in the cooling shell, and a first liquid inlet pipe is inserted into the outer wall of one side of the cooling shell; a first liquid inlet pipe is installed in the cooling shell, a first connecting shell is installed on the outer wall of one side of the first liquid inlet pipe, and circulating cooling pipes distributed at equal intervals are connected to the outer wall of one side of the first connecting shell in an inserted mode. A first rectangular groove is formed in the bottom of the outer wall of one side of the first partition plate, and a second rectangular groove is formed in the top of the outer wall of one side of the second partition plate, so that cooling water can flow to the upper portion from the bottom of the cooling shell, the cooling water subjected to heat exchange is better guided out of the cooling shell, and the cooling effect is improved.

The invention discloses a heat exchange structure and a semiconductor heat exchange device, and belongs to the technical field of semiconductor refrigeration. The heat exchange structure comprises a heat exchange body and a heat exchange flow channel arranged in the heat exchange body. Fins are arranged in the heat exchange flow channel, and the fins are arranged in the heat exchange flow channel to divide the heat exchange flow channel into at least two sub-flow channels in the flowing direction. Heat exchange through holes are formed in the side walls of the fins so that every two adjacent sub-flow channels can communicate with each other. According to the heat exchange structure, through the arrangement of the perforated fins, fluid in every two adjacent sub-flow channels can generate disturbance, laminar heat transfer of original fluid is destroyed, the fluid does irregular motion to form turbulent flow, the fluid is transited from a laminar flow area to a turbulent flow area in advance, heat transfer of the fluid in a transition area and a turbulent flow area is enhanced, and the heat exchange efficiency is improved.

The invention discloses high-temperature printing and dyeing waste gas treatment equipment. The equipment comprises a multi-stage filtering device, a gas-gas heat exchange device, a rotational flow tower, a Venturi scrubbing tower and an active mud washing tower which are communicated in sequence; the Venturi scrubbing tower comprises a washing tower body, wherein the top of the Venturi scrubbing tower is provided with an opening, the side wall of the Venturi scrubbing tower is provided with an outlet, and the outlet is connected with an exhaust fan; the washing tower body is internally provided with cleaning liquid, and is provided with a Venturi tube, and an inlet of the Venturi tube is connected to the top opening and is used for introducing waste gas treated by the rotational flow tower; the pipework of the Venturi tube is connected with a conical oblique nozzle, and the tail end of the conical oblique nozzle is inserted under the liquid surface; the waste gas passes through the pipework of the Venturi tube to form a high-speed airflow, and tangentially enters the portion, under the liquid surface, in the tower body through the conical oblique nozzle to form a large number of microbubbles, and the microbubbles are in full contact with the cleaning liquid to remove soot and particulate matter in the waste gas. The high-temperature printing and dyeing waste gas treatment equipment can process the waste gas of the printing and dyeing process efficiently and stably at low cost.

The invention discloses a power-adjustable space radiation heat dissipation system and a working method thereof, and belongs to the field of energy comprehensive utilization. The system is characterized in that a magnetofluid power generation device arranged in a coolant pipeline is connected to direct-current electromagnets arranged in a radiation radiator fin through a wire and a switch so as tosupply power to the electromagnets; the direct-current electromagnets attract permanent magnets in a fin surface thin film to control the fin surface thin film to be opened and closed; and the effective working area of a radiation radiator is controlled by arranging and adjusting a circuit, so that the purpose of adjusting the radiating power of the heat pipe type radiation radiator is achieved.According to the adopted multi-gear heat pipe type space radiation heat dissipation system, the service life of a control device power supply is long, the radiation heat dissipation effect adjustmentcapability is good, the stability and adaptability of a space nuclear-power power supply system can be remarkably improved, and the requirement of long-term flight of a spacecraft can be well met.

The invention discloses a low-temperature cold superconducting vibration isolation device for a space low-temperature refrigerator. An upper cover plate and a lower cover plate are both horizontally arranged and arranged in a vertically spaced mode, a cold superconducting spring comprises a sectional material, the sectional material is vertically and spirally arranged, located between the upper cover plate and the lower cover plate and connected to the upper cover plate and the lower cover plate, a cavity is formed in the sectional material in the length direction of the sectional material, the upper end of the sectional material is a closed end so as to close the upper end of the cavity, the lower end of the cavity is exposed out of the lower end of the sectional material, one end of the connecting pipeline is connected with the lower end of the sectional material and communicated with the lower end of the cavity, the other end of the connecting pipeline is communicated with an expansion container, a liquid filling pipe is arranged on the expansion container, and the expansion container, the connecting pipeline and the cavity are filled with the low-temperature cold conduction working medium. The device can effectively isolate mechanical vibration of the cold head of the low-temperature refrigerating machine, has the advantages of being good in cold conduction effect, light in weight and small in size are achieved, and can effectively solve the problems of cold conduction and mechanical vibration isolation between the cold head of the low-temperature refrigerating machine and a cooled object.

The invention discloses a heat tube plate type radiator, and relates to an improvement of a plate radiator structure of a transformer. The invention provides a heat tube plate type radiator with good radiation effect on fluid phase transformation. The heat tube plate type radiator comprises a machine body which is respectively provided with an oil inlet pipe, a heating cavity, and an oil outlet pipe, and is structurally characterized in that the oil inlet pipe and the oil outlet pipe are respectively connected with the heating cavity, and heat tubes inside the heating cavity are respectively connected with delivery pipes, and radiating fins are arranged among the delivery pipes.