48results about How to "Maximize heat transfer area" patented technology

A lighting device comprises a heat sink, a housing mounted to and/or thermally coupled to the heat sink, a basket assembly attached to the housing, a solid state light emitter thermally coupled to the heat sink, and a baffle assembly attached to the housing. Also, a lighting device comprising a basket assembly and a baffle assembly. In some embodiments, the basket assembly comprises a first member defining a first opening, a second member, a space between the first and second members, and lenses in the opening and in the space. In some embodiments, the heat sink extends farther in a first direction in a first plane than a largest dimension of the housing in any plane which is parallel to the first plane. In some embodiments, at least one additional component (e.g., a power supply module or a junction box) is in contact with the heat sink element.

The invention discloses an integrated slit cold head of a U-shaped pulse tube refrigerating machine and a manufacturing method. The cold head comprises two parts of a top cover and a lower flange, wherein two cylindrical lug bosses protrude below a big lug boss of the top cover, outer diameters of the two cylindrical lug bosses are respectively equal to inner diameters of a cold regenerator and a pulse tube; the two lug bosses integrally cut and penetrate through a slit in parallel horizontally and uniformly; through insertion holes matched with the cylindrical lug bosses of the top cover are arranged on the lower flange, a sealing groove and a location groove matched with the big lug boss of the top cover are cut on the upper surface of the lower flange, the lower flange, the cold regenerator and the pulse tube are hermetically welded to form an assembly; the top cover and the lower flange not only can be connected by bolts to form a detachable split cold head, but also can be hermetically welded to form an integrated cold head. In the invention, the main functions of three parts of an efficient cold end heat exchanger, a pulse tube cold end gas director and a cold regenerator cold end gas distributor can be intensively realized in an integrated slit cold head structure, the overall performance of the U-shaped pulse tube refrigerating machine is enhanced.

The invention discloses bending equipment of a heat exchanger and a method for manufacturing a bending heat exchanger by utilizing the bending equipment. The bending equipment comprises a stand, an upper core shaft, a lower core shaft, a first bending plate and a second bending plate, wherein the upper core shaft is installed on the stand along the longitudinal direction of the stand, a plurality of upper grooves which are arranged along the longitudinal direction and are respectively provided with a downward opening are formed on the peripheral surface of the upper core shaft, the lower core shaft is installed on the stand along the longitudinal direction, a plurality of lower grooves which are arranged along the longitudinal direction and are respectively provided with an upward opening are formed on the peripheral surface of the lower core shaft, the plurality of lower grooves align with the plurality of upper grooves one by one in the vertical direction, the first bending plate and the second bending plate are respectively arranged at both transverse sides of the stand and can overturn, and at least one of the upper core shaft and the lower core shaft can move to twist a flat tube of the heat exchanger. Based on the bending equipment of the heat exchanger, all the flat tubes can be simultaneously twisted and bended in one step after the flat tubes, fins and collecting tubes are assembled and welded, and therefore, the consistency of the bending sizes and the stability of the whole bended heat exchanger are ensured and the production efficiency is enhanced.

The present invention relates to a water heating apparatus having a heat exchanger that has a maximized heat transfer area between a hot water supply tube and a heater so that clean hot water is continuously fed without a time delay. To achieve these objects, a water heating apparatus comprises: a case defining a body; a hot water supply tube having an heat exchanger installed in the case; a heat storage liquid material received in the case; and a heater installed in the case, for heating the heat storage liquid material.

The present invention provides an evaporator having a vertical arrangement of header pipes for a vehicle air conditioner, the evaporator including: a pair of header pipes disposed to face each other with a gap therebetween, providing a circulation path for a coolant supplied in the cooling cycle, and discharging the coolant that has exchanged heat; a plurality of tubes laterally arranged between the pair of header pipes to communicate with the header pipes, connected in a longitudinal direction of the header pipes, and allowing a coolant flowing inside through inlets of the header pipes to exchange heat with air while flowing in a zigzag pattern toward outlets of the header pipes; and heat-dissipating fins disposed among the tubes and dissipating heat of vaporization from the tubes while passing the air supplied from the fan.

An arrangement structure of heat exchangers in a condensing gas boiler is provided, which includes a casing provided with a combustion chamber therein, and a gas burner provided in the lower portion of the combustion chamber. The arrangement structure of heat exchangers in a condensing gas boiler includes: a present heat exchanger slantly arranged with a predetermined slope with respect to a horizontal axis on a transverse cross-section in the casing; a latent heat exchanger disposed in parallel with the present heat exchanger, in the same area as that of the present heat exchanger in the upper portion of the present heat exchanger; a condensed waterspout provided in parallel with between the present heat exchanger and the latent heat exchanger, whose one end contacts one of the inner wall surfaces of the casing and whose other end is disposed spaced from the other of the inner wall surfaces thereof; and an exhaust gas flowing plate provided in parallel with the outer wall of the latent heat exchanger, whose one end is spaced from one of the inner wall surfaces of the casing and whose other end contacts the other of the inner wall surfaces of the casing in order to induce condensed water and exhaust gas to flow in an identical direction. Thus, the heat transfer area is maximized, and present heat and condensing conditions are made to improve a heat exchanging efficiency, and to accomplish compactness and corrosion resistance of the boiler.

The invention provides a heat exchanger and a heat exchange apparatus. The heat exchanger comprises: a plurality of fins that are arranged at intervals; a plurality of heat exchange pipes extended onthe surface of the fins or formed in the fins. The heat exchanger and the heat exchange apparatus have the advantage the heat exchange pipes and the fins are high in heat exchange quantity and heat exchange efficiency.

The invention provides a heat exchanger and heat exchange equipment. The heat exchanger comprises a plurality of fins, heat exchange tubes and an unilateral collecting flow tube, wherein the pluralityof fins are arranged at intervals, the heat exchange tubes extends to the surfaces of the fins or are formed in the fins, and the heat exchange tubes are arranged in a buckling and folding shape; theunilateral collecting flow tube is arranged at one end in the length directions of the fins, the unilateral collecting flow tube comprises an inflow passage and an outflow passage, wherein the inflowchannel and the outflow channel are arranged at the two ends in the width direction of the fins correspondingly; and the two ends of the heat exchange tubes correspondingly communicate with the inflow channel and the outflow channel. According to the heat exchanger and the equipment, the heat exchanger and the heat exchange equipment has the advantages of being compact in structure, high in heatexchange, high in heat exchange efficiency and capable of realizing miniaturization design of the heat exchanger.

A multi-tube high-temperature hot blast stove with heart-shaped heat exchange tubes comprises a stove body, a combustion chamber, a dust chamber and a heat exchange chamber, wherein the combustion chamber, the dust chamber and the heat exchange chamber are formed in the stove body; an air inlet and an air outlet are formed in the two sides of the stove body respectively. An air inlet chamber is formed in the upper end of the air outlet. An interlayer space is formed between the stove body and the heat exchange chamber. The interlayer space is a waste heat return airway. One end of the waste heat return airway is communicated with the air inlet. The other end of the waste heat return airway is communicated with the air inlet chamber. The multiple heart-shaped heat exchange tubes which horizontally penetrate through the heat exchange chamber are arranged inside the heat exchange chamber. The tips of the heat shapes of the heart-shaped heat exchange tubes face downwards. The two inclined edges of each heat shape are heated surfaces. A plurality of baffles are vertically and axially arranged inside the heat exchange chamber. An air chamber communicated with the heat exchange tubes is formed in the side face of the heat exchange chamber. The heat exchange tubes in the upper half of the heat exchange chamber are communicated with the air inlet chamber. The heat exchange tubes in the lower half of the heat exchange chamber are communicated with the air outlet. A flue gas inlet cavity and a flue gas outlet cavity are formed above the heat exchange chamber. The flue gas inlet cavity is communicated with the air chamber. The flue gas inlet cavity is connected with the flue gas outlet cavity through a plurality of horizontally arranged hot air tubes. The flue gas outlet cavity is connected with an exhaust pipe.

A single-tank packed bed heat storage device following the generalized Murray's law and provided with a bionic choroid structure and a using method thereof, and belongs to the field of energy storage.The problems of low heat storage density, small heat exchange area and uneven heat storage speed in a traditional packed bed heat storage system are solved. The heat storage device is characterized by comprising a storage tank, a bracket is arranged in the storage tank in the form of the bionic choroid structure, heat storage balls with different diameters following the generalized Murray's law are distributed in the storage tank, and the bracket is used for supporting the heat storage balls and preventing the heat storage balls from floating at will. The using method achieves heat storage, heat release and heat storage through the heat storage balls which follow the generalized Murray's law and are provided with the bionic choroid structure. By changing the arrangement mode and size of the heat storage balls in the storage tank, compared with the traditional system, the heat storage system achieves higher heat storage efficiency, higher heat storage density and faster thermal response capability, and the bionic choroid structure is a naturally selected efficient nutrient delivery system which has unique advantages in substance transportation and energy transfer.

The invention relates to the field of environment protection equipment, and particularly relates to a sludge drying integrated machine. The sludge drying integrated machine comprises a machine body, gear type spiral push shafts, a bracket, a condensate water circulating device, a drive system, an air cleaning system and an automatic temperature control system. The air cleaning system is arranged on the machine body. The two gear type spiral push shafts parallel to each other and the automatic temperature control system are arranged in the machine body. Two ends of the machine body are respectively provided with a heat conducting medium inlet and a heat conducting medium outlet, and two ends of the gear type spiral push shafts are respectively provided with a heat conducting medium inlet and a heat conducting medium outlet. The machine body is horizontally arranged on the bracket. The condensate water circulating device is arranged below the bracket. The drive system is arranged at one end of the gear type spiral push shafts. The sludge drying integrated machine achieves an integrated process of sludge drying, achieves low energy consumption and high efficiencies in the operation process, and adopts a fully-automatic operation mode without the need of a specially-assigned person for watching.

The invention relates to the field of environmental protection equipment, in particular to a gear type sludge dryer which comprises a dryer body, gear type spiral pushing shafts, a support, a condensation water circulation device, a driving system, an air purification system and an automatic temperature control system, wherein the air purification system is arranged above the dryer body; the two gear type spiral pushing shafts placed in parallel and the automatic temperature control system are arranged in the dryer body; heat conducting medium inlets and heat conducting medium outlets are formed at the two ends of the dryer body and the gear type spiral pushing shaft; the dryer placed in parallel is arranged above the support; the condensation water circulation device is arranged below the support; and the driving system is arranged at one end of the gear type spiral pushing shaft. The dryer realizes an integrated sludge drying work process, as well as low energy consumption and high efficiency during operation, and is in a full automatic unattended operation mode.

The invention relates to the field of environment protection equipment, and particularly relates to a rotating extrusion type sludge dewatering machine. The sludge dewatering machine comprises a machine body, gear type spiral push shafts, a bracket, a condensate water circulating device, a drive system, an air cleaning system and an automatic temperature control system. The air cleaning system is arranged on the machine body. The two gear type spiral push shafts parallel to each other and the automatic temperature control system are arranged in the machine body. Two ends of the machine body are respectively provided with a heat conducting medium inlet and a heat conducting medium outlet, and two ends of the gear type spiral push shafts are respectively provided with a heat conducting medium inlet and a heat conducting medium outlet. The machine body is horizontally arranged on the bracket. The condensate water circulating device is arranged below the bracket. The drive system is arranged at one end of the gear type spiral push shafts. The machine achieves an integrated process of sludge drying, achieves low energy consumption and high efficiencies in the operation process, and adopts a fully-automatic operation mode without the need of a specially-assigned person for watching.

The invention discloses a circular microchannel wave surface plate heat exchange core body, a manufacturing method and a heat exchanger. The circular microchannel wave surface plate heat exchange corebody comprises heat exchanger core body frames, multiple circular microchannel wave surface heat exchange plates and multiple pipe battens; the multiple circular microchannel wave surface heat exchange plates are alternately laminated and fixed in two heat exchanger core body frames through the pipe battens at two ends of circular microchannels; each circular microchannel wave surface heat exchange plate is formed by fixedly connecting multiple single-layer circular microchannels tightly bonded side by side; and the inner diameters of the circular microchannels in the same circular microchannel wave surface heat exchange plates are the same. The heat exchanger core body can be used for manufacturing the heat exchanger; on the one hand, the heat exchange surface area is increased; and on the other hand, through turbulent flows on the surfaces of waves, heat transfer boundary layers can be changed, so that the heat exchange is more sufficient.

The invention belongs to the field of environmental protection equipment, and specifically relates to a full-automatic sludge drier. The full-automatic sludge drier comprises a machine body, two gear-type spiral drive shafts, a support, a condensate water circulating device, a driving system, an air cleaning system, and an automatic temperature control system; the air cleaning system is arranged above the machine body; the two gear-type spiral drive shafts are arranged in the machine body in parallel; the automatic temperature control system is arranged in the machine body; the two ends of the machine body and the two gear-type spiral drive shafts are all provided with heat-conducting medium inlets and imported medium outlets; the machine body is arranged on the upper part of the support in parallel, and the lower part of the support is provided with the condensate water circulating device; and the driving system is arranged on one ends of the gear-type spiral drive shafts. The full-automatic sludge drier is capable of realizing integration process of sludge drying; energy consumption of operation process is low; efficiency is high; and guardless automatic operation is realized.

The present invention relates to a pipe heat exchanger (2) for heat exchange between at least two food flows (26; 30), a dual deflection flanged bend (16) for the pipe heat exchanger, an adapter (56)and a system for the pipe heat exchanger. Furthermore, described is a method for transferring heat between at least two food flows (26, 30). The dual deflection flanged bend (16) includes two separated flow paths (32, 34), wherein a first food flow (26) may be transferred in the first flow path (32) of the dual deflection flanged bend (16); and the second food flow (30) may be transferred in the second flow path (34) of the dual deflection flanged bend (16). In addition, the heat may be transferred between the two flow paths (32, 34) of the dual deflection flanged bend (16).

The invention belongs to the field of environmental protection equipment, and specifically relates to an automatic sludge drier. The automatic sludge drier comprises a machine body, two gear-type spiral drive shafts, a support, a condensate water circulating device, a driving system, an air cleaning system, and an automatic temperature control system; the air cleaning system is arranged above the machine body; the two gear-type spiral drive shafts are arranged in the machine body in parallel; the automatic temperature control system is arranged in the machine body; the two ends of the machine body and the two gear-type spiral drive shafts are all provided with heat-conducting medium inlets and heat-conducting medium outlets; the machine body is arranged on the upper part of the support in parallel, and the lower part of the support is provided with the condensate water circulating device; and the driving system is arranged on one ends of the gear-type spiral drive shafts. The automatic sludge drier is capable of realizing integration process of sludge drying; energy consumption of operation process is low; efficiency is high; and a full-automatic guardless operation mode is realized.

The invention provides a heat exchanger and heat exchange equipment. The heat exchanger comprises a plurality of fins and heat exchange tubes; the plurality of fins are arranged at intervals; the heatexchange tubes extend on the surfaces of the fins or are formed in the fins; when the heat exchange tubes extend on the surfaces of the fins, the ratio of the total thickness of each heat exchange tube and the corresponding fin to the thickness of the corresponding fin is larger than or equal to 1 and less than or equal to 15; and when the heat exchange tubes are formed in the fins, the ratio ofthe thickness of each heat exchange tube to the thickness of the corresponding fin is larger than or equal to 1 and less than or equal to 15. The heat exchanger and the heat exchange equipment have the advantages that the machining difficulty of the heat exchange tubes is reduced, and meanwhile, the heat exchange effect is improved.

A membrane type dew point evaporative cooling heat exchanger in the technical field of heat exchangers, the heat exchanger is provided with alternately stacked first heat exchange membranes and second heat exchange membranes, wherein: the first heat exchange membrane The hydrophilic surface of the second heat exchange membrane is arranged opposite to the hydrophilic surface of the second heat exchange membrane to form a wet heat exchange channel layer, and the hydrophobic surface of the first heat exchange membrane is arranged opposite to the hydrophobic surface of the second heat exchange membrane to form a dry heat exchange channel layer; the first folded cavity surface and the second folded cavity surface are joined at the semi-open end of the wet heat exchange channel layer to form an inlet and drain cavity, and closed at the dry heat exchange channel layer. The invention can realize the mixing of reverse flow and cross flow, and at the same time, by improving the cross-sectional structure of the dry-wet heat exchange channel, while ensuring a small heat exchange temperature difference, the flow pressure drop is reduced and the heat exchange efficiency is improved.

The present invention relates to a heat exchanger that is disposed in an automotive air conditioner and provides cold air or hot air through heat exchange with air supplied by a fan and, more particularly, to an integrated module of an evaporator core and a heater core for an automotive air conditioner whereby the integrated module can simplify an automotive air conditioner by integrating an evaporator for cooling and a heater core for heating in the automotive air conditioner. According to the present invention, evaporator headers and heater headers are stacked and fixed in an integrated unit, so it is possible to simplify a facility. Accordingly, installation is easy and a volume can be reduced, as compared with the related art, whereby it is possible to reduce the weight of a vehicle.

The invention discloses a vibration total heat exchanger for enhancing heat transfer. The vibration total heat exchanger comprises a noise reduction machine shell, an outdoor air inlet, an indoor air outlet, an indoor air inlet, an outdoor air outlet, a pair of filter screens, a heat exchange core and a double-layer fan, wherein the outdoor air inlet and the indoor air outlet are formed in one side of the noise reduction machine shell, the indoor air inlet and the outdoor air outlet are formed in the other side of the noise reduction machine shell, the pair of filter screens are arranged on the noise reduction machine shell, the heat exchange core is arranged between the pair of filter screens, and the double-layer fan is used for connecting the indoor air outlet and the outdoor air outlet; and a heat exchange plate is arranged in the heat exchange core and is of a special-shaped structure, and corrugations are arranged on the surface of the heat exchange plate. Through the arrangement of the heat exchange plate special-shaped structure, inner supports are reduced, on-way resistance is small, wind pressure loss is small, maximization of the heat transfer area is guaranteed, and therefore the maximum heat exchange efficiency is achieved.

The present invention provides a dehumidifier, including a main body, comprising a dehumidification passage in which indoor air is sucked in and the sucked-in indoor air is dehumidified and a reconditioning passage in which reconditioning air circulates, a dehumidification rotor, comprising a dehumidification portion configured to dehumidify the indoor air and a reconditioning portion reconditioned using the reconditioning air, and a condensing heat exchanger, comprising reconditioning air introduction units into which the reconditioning air is introduced and reconditioning air discharge units from which the reconditioning air is discharged. Each of the reconditioning air introduction units of the condensing heat exchanger has a width which, at a position opposite to the reconditioning portion, increases according to a distance from a center of the condensing heat exchanger corresponding to a center of the dehumidification rotor. The reconditioning air discharge units are formed on one side of a circumferential portion of the condensing heat exchanger. Accordingly, the dehumidification performance of the dehumidifier can be improved and noise caused when the dehumidifier is driven can be reduced.

The invention relates to the field of environment protection equipment, and particularly relates to a novel sludge dewatering machine with a steam discharging port. The sludge dewatering machine comprises a machine body, gear type spiral push shafts, a bracket, a condensate water circulating device, a drive system, an air cleaning system and an automatic temperature control system. The air cleaning system is arranged on the machine body. The two gear type spiral push shafts parallel to each other and the automatic temperature control system are arranged in the machine body. Two ends of the machine body are respectively provided with a heat conducting medium inlet and a heat conducting medium outlet, and two ends of the gear type spiral push shafts are respectively provided with a heat conducting medium inlet and a heat conducting medium outlet. The machine body is horizontally arranged on the bracket. The condensate water circulating device is arranged below the bracket. The drive system is arranged at one end of the gear type spiral push shafts. The machine achieves an integrated process of sludge drying, achieves low energy consumption and high efficiencies in the operation process, and adopts a fully-automatic operation mode without the need of a specially-assigned person for watching.