33results about How to "Reduced heat exchange capacity" patented technology

In a double heat exchange, a radiator and a condenser are integrated through a side plate for reinforcing the radiator and the condenser, and a longitudinal dimension of condenser tubes is made smaller than a longitudinal dimension of radiator tubes. Therefore, a core area of the condenser becomes smaller than that of the radiator. Thus, heat-exchanging capacity of the condenser is restricted from being increased more than a necessary capacity, and size and performance of the double heat exchanger are restricted from being increased more than necessary conditions.

The invention discloses a heat exchanger with a corrugated pipe coil structure provided with an internal duct and an external duct, which comprises an inlet, an outlet, a corrugated pipe, a dome, an internal ring bushing, an external ring bushing, a fan and a bracket. When fluid media to be in heat exchange flow in the corrugated pipe in the heat exchanger from the inlet, form a turbulent flow in a pipe wall with a corrugated structure and carry out heat exchange with air in the internal duct and the external duct outside the corrugated pipe via the wall of the corrugated pipe, the fan discharges air in the internal duct and the external duct, and the fluid media are discharged from the outlet after the heat exchange performed in the corrugated pipe in a spiral way. The heat exchanger has the advantages of high heat exchanger effectiveness, simple structural technology, light weight, integration, and the like, and the fluid media in the pipe coil after the heat exchange have even temperature, thereby the heat exchanger can be used for heat exchange of air, liquid and air-liquid mixing substances. When the corrugated pipe adopts resistant materials, the heat exchanger can be used for heat exchange for corrosive liquid media.

An outdoor unit (1) of an air conditioner comprises a unit case having a rectangular shape in section and composed of side panels (4, 4, - - - ) in which a machine chamber (3) and a heat exchanger chamber (2) are defined so as to be vertically aligned in an installed state with the heat exchanger chamber being disposed above the machine chamber and being sectioned therefrom by means of a partition plate (12) which also acts as a drain plate or pan, and the side panels surrounding the heat exchanger chamber is formed with air suction ports (4a, 4a - - - ). The outdoor unit (1) further comprises a heat exchanger unit (17, 18) having four side wall sections at least opposing two of which are inclined inward by a predetermined angle with respect to inner surfaces of the side panels to which the air suction ports are formed. Thus, the outside air can be effectively and smoothly introduced inside the outdoor unit. The outdoor unit is also provided with a duct unit (20) arranged in the unit case in association with the drain pan (12) for effectively discharging drain, cooling electrical part such as heat sink (22) and improving the outer appearance of the outdoor unit.

The invention relates to a wide temperature range type full fresh air temperature-adjustable dehumidifier, which is characterized in that an evaporator is connected with a gas-liquid separator; the gas-liquid separator is connected with a stepless adjustable screw compressor; the stepless adjustable screw compressor is respectively connected with a hot air bypass valve, an electromagnetic valve and a water-cooling condenser; the water-cooling condenser is respectively connected with a flow regulating valve and an air-cooling condenser; the air-cooling condenser is connected with a check valve; the check valve is respectively connected with a flow regulating valve and a liquid reservoir; and the liquid reservoir is respectively connected with a liquid spray valve and a drying filter. The invention has the following technical effects: 1. the dehumidifier can reduce the effective exhaust of the compressor and absorb heat of liquid refrigerant in the evaporator to decrease the heat exchanging ability of the evaporator; 2.the opening degree of the flow regulating valve can be automatically adjusted according to the predetermined outlet air temperature; 3. high temperature air enters the inlet of the evaporator to melt away frost on the evaporator; 4. when fresh air load is high and the overheating of a motor of the compressor is caused, the liquid refrigerant is sprayed on the motor to cool the motor.

A heat exchanger for a motor vehicle air conditioning system is provided. The heat exchanger includes an inner tube through which a heat exchanger medium can flow, an outer tube that at least regionally envelops the inner tube forming an intermediate space, and a regulating unit fluidically connected to the intermediate space. The regulating unit is configured to alter the flow resistance of the intermediate space as a function of the temperature of a heat exchanger medium that flows through the intermediate space.

The invention relates to a plate heat exchanger, which comprises a plate pack formed by corrugated heat exchange plates with openings for the flow of a first and a second heat exchange medium. The outer shell of the plate heat exchanger (1) has been formed by arranging separate strips (9, 9′) in the outer edge of the plate pack (2) so that the outer surfaces of the strips (9, 9′) are substantially in the same plane with the outer edges of the heat exchange plates (6, 6′), and by welding the strips (9, 9′) and the outer edges of the heat exchange plates (6, 6′) to each other.

Heat dissipation device (100) for an illumination apparatus, comprising a base (1) comprising a first section (A) and a second section (B) provided in a longitudinal direction, and a heat dissipation structure (2), wherein, the heat dissipation structure (2) comprises a plurality of first fins (21) distributed on a circumferential surface of the first section (A) and a plurality of second fins (22) distributed on a circumferential surface of the second section (B), and a circumferential angular position of the first fin (21) is different from a circumferential angular position of the second fin (22). In addition, the present invention also relates to an illumination apparatus comprising the heat dissipation device (100).

The invention relates to a steam condenser of a vacuum device. Compared with a steam condenser of a vacuum drying device, the steam condenser of a vacuum device can enhance the heat transfer performance and reduce the loss of the transmission temperature difference loss of a refrigerant and the vacuum steam of a condensing surface. A circular refrigerant evaporation tube inside the steam condenser of a vacuum drying device is changed from a smooth tube into a circular tube with an inner surface groove and then processed into a flat elliptical tube through deformation, one flat horizontal surface or two flat horizontal surfaces of a pair of flat horizontal surfaces is/are tightly attached to the inner wall surface of a channel of heat transfer medium fluid and is/are arranged in the channel to increase the tight attachment area of the inner wall surface of the channel of the heat transfer medium fluid inside a steam condensation plate and the elliptical refrigerant evaporation tube, and rods which can equidistantly generates turbulences are arranged along the elliptical refrigerant evaporation tube in the channel of the heat transfer medium fluid to confuse parallel flows of the outer surface of the elliptical refrigerant evaporation tube, thereby the heat transfer of convection films of the heat transfer medium fluid is promoted.

The invention belongs to the technical field of buildings, and particularly relates to an energy-saving curtain wall. For solving problems that a curtain wall is poor in heat insulation property, andthe energy-saving effect is commonly not ideal, the energy-saving curtain wall is provided and comprises supporting parts mounted on the outer side of a building floor, the ends of the supporting parts are provided with multiple thread holes, multiple mounting holes are formed in the tops of the supporting parts, multiple supporting keels are fixedly mounted between the supporting parts, mountingparts of J structures are fixedly mounted on the bottoms of the side faces of the supporting parts, a buffer cavity is mounted between an inner curtain wall mechanism and an outer curtain wall mechanism, an effective isolation effect is generated, indoor and outdoor heat exchange is reduced, the curtain wall is energy-saving and environment-friendly, meanwhile, an electric curtain rail capable ofbeing remotely controlled is mounted between the inner curtain wall mechanism and the outer curtain wall mechanism, a curtain is mounted in the curtain wall, utilization of the indoor space is reduced, the isolated curtain cannot become a combustion object, and the expanded risks caused when the fire happens can be greatly reduced.

The high-speed railroad bed comprises a railroad bed body, a gravel layer is fixedly connected to the end, away from the ground, of the railroad bed body, a roadbed body is fixedly connected to the end, away from the railroad bed body, of the gravel layer, and a heat preservation layer is fixedly connected to the end, away from the gravel layer, of the roadbed body; the end, away from the roadbedbody, of the heat preservation layer is fixedly connected with a protective layer, and the end, away from the heat preservation layer, of the protective layer is fixedly connected with a shock pad. The high-speed railway subgrade has the advantages that the top ends of the subgrade body, the fixing layer, the damping material layer and the reinforcing layer are sealed by the heat preservation layer, so that the subgrade body is isolated from the outside by the heat preservation layer, and temperature conduction above the subgrade body and the heat preservation layer is isolated; therefore, theheat exchange capacity between the roadbed body and the outside is reduced, the anti-freezing capacity of the railroad bed can be effectively improved, and the protective performance of the railroadbed is improved.

A sheet material is used for a heat exchange between a first fluid and a second fluid, and inducing a phase change in the fluids. Additionally, the sheet material is folded to form a plurality of slits to constitute flow paths of the fluids. Further, the slits for the first fluid, through at least one seal, are closed. Furthermore, the slits for the second fluid, through at least one seal, are fully or partly open for fluid outflow.

An inner tube (2) used in a heat transfer double-layer tube that exchanges heat between a fluid flowing inside the inner tube (2) disposed inside an outer tube and a fluid flowing between the inner tube (2) and the outer tube. The inner tube (2) has a first region (21) and a second region having different cross-sectional shapes, and the first region (21) has a plurality of first protrusions (211) protruding outward and has a first concave-convex shape in which the positions of the first protrusions (211) are displaced helically in the longitudinal direction. The second region has a plurality of second protrusions protruding outward at positions, the number of the second protrusions is larger than the number of the first protrusions, and the second region has a second concave-convex shape in which the positions of the second protrusions are displaced helically in the longitudinal direction.

The invention discloses a flue gas waste heat secondary utilization process device which is sequentially provided with a coal-fired (coal-fired or fuel-fired) boiler, a secondary preheater, a dust remover, a flue gas cooler, a desulfurizing tower and a flue gas emission tower according to a flue gas flow. And a heat exchange coil pipe is arranged in the primary preheater and is used for primary heat exchange of air and flue gas. The flue gas desulfurization device has the advantages of high waste heat utilization rate, reduction of fire coal consumption and good desulfurization effect.

The invention discloses a glue cooling device without condensate water. The glue cooling device comprises a cooling device body and a to-be-mounted dispensing mixing pipe, wherein the cooling device body is mainly composed of a shell, an internal cooling block, two refrigeration sheets and two heat dissipation water tanks, the refrigeration faces of the refrigeration sheets are fixed to the frontface and the back face of the internal cooling block respectively, the heat dissipation faces of the refrigeration sheets are tightly attached to the heat dissipation water tanks respectively, a fixedextension portion and limiting extension portions are arranged on the side face of the internal cooling block, a threaded hole is formed in the fixed extension portion, and the internal cooling blockis fixed to a rear shell body through a fastening screw matched with the threaded hole. Compared with the prior art, the structural stability of the internal cooling block in all directions is fullyconsidered, the contact area of the internal cooling block and the shell is greatly reduced while the coaxiality of components is guaranteed, the heat exchange effect between the internal cooling block and the shell is relieved, therefore, it is guaranteed that the shell is in a normal-temperature state, and the problem that condensate water drips from the surface of the glue cooling device is thoroughly solved.

The invention provides a drain pipe and a refrigerator. The drainage pipe comprises a pipe body; the fillers are distributed in the pipe body, and a gap is formed between every two adjacent fillers, so that a heat transfer path of heat convection inside and outside the pipe body is prolonged on the premise that water flow is allowed to pass through the pipe body. The refrigerator drain pipe has the advantages that the internal structure of the drain pipe is improved, and a heat transfer path for heat convection between the drain pipe and the external environment is prolonged, so that cold loss caused by heat convection is reduced, and energy consumption of the refrigerator is reduced.