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An aluminum alloy heat exchange casting
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A technology of aluminum alloy and castings, which is applied in the field of heat conduction equipment, can solve the problem of small heat exchange area, and achieve the effect of large heat exchange area, high heat exchange efficiency and clean interior
Active Publication Date: 2022-01-25
中山市江润金属压铸有限公司
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Problems solved by technology
[0003] The problem with this solution is that the heat transfer area is small
Method used
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Embodiment 1
[0034] refer to figure 1 with figure 2 , this embodiment mainly describes the physical structure of aluminum alloy heat exchange castings, specifically:
[0035] An aluminum alloy heat exchange casting, comprising a main body 1, the main body 1 is provided with a combustion chamber 2 and a heat conduction chamber 3, the number of the heat conduction chambers 3 is two, one side of the combustion chamber 2 is an open side, the The other side of the combustion chamber 2 is connected to one side of the heat conduction chamber 3, the other side of the heat conduction chamber 3 is an open side, the combustion chamber 2 and the heat conduction chamber 3 are on a straight line, and the heat conduction chamber 3 is in a straight line. The cross-sectional area in the gas flow direction gradually decreases; the main body 1 is also provided with a guide body 4 located between the two heat conduction chambers 3, and the cross-sectional area of the guide body 4 gradually increases in th...
Embodiment 2
[0043] Referring to the structure of Example 1, it is obtained by die-casting the following material, which includes the following components in weight percentage:
[0044] Si 7.5%, Mg 1.2%, Sr 0.3%, Ti 0.08%, V 0.02%, the balance Al and non-removable impurities.
[0045] It is prepared by the following method:
[0046] Step 1: Melt the material in the above ratio, the melting temperature is 700-750°C; then let it stand still, blow in an inert gas to cool down and remove the scum, and proceed to step 2 after cooling down to a semi-solid temperature of 570-590°C;
[0047] Step 2: Inject the material into three sets of molds to obtain component A, component B and component C;
[0048] Step 3: welding component A, component B, and component C to obtain the aluminum alloy heat exchange casting; the component A and component C are mirror images, and the component B is an integrally formed structure of the guide body and the second heat conduction column; The components A and C ar...
Embodiment 3
[0050] Referring to Example 2, it is obtained by die-casting the following material, which includes the following components in weight percentage:
[0051] Si 7%, Mg 1%, Sr 0.4%, Ti 0.05%, V 0.01%, the balance Al and non-removable impurities.
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Abstract
The invention discloses an aluminum alloy heat exchange casting, which comprises a main body, a combustion cavity and a heat conduction cavity are arranged in the main body, a guide body between the two heat conduction cavities is arranged in the main body, and a A number of first heating chambers, second heating chambers, and third heating chambers that pass through the main body and are perpendicular to the gas flow direction. The inner wall of the combustion chamber is fixed with a number of first heat conduction columns extending toward the combustion chamber. The side of the guide body A plurality of second heat conduction columns extending from the heat conduction cavity are arranged on the wall, and the height of the first heat conduction columns gradually increases along the gas flow direction. The casting has large heat exchange area, small volume and fast heat exchange speed, and belongs to the field of heat conduction equipment.
Description
technical field [0001] The invention belongs to the field of heat conduction equipment, and more specifically relates to an aluminum alloy heat exchange casting. Background technique [0002] CN201920364304.4 discloses a multi-process composite molding gas heating wall-hung boiler structure, including an inner tank, an outer shell, a front cover, a rear cover, a transitional channel and a dew pan; the heat exchange body of the wall-hung boiler is made of highly efficient and mature extruded aluminum Technology, excellent structural design make it have both stable connection, positioning and sealing structure and excellent heat transfer performance; use the intermediate refrigerant channel with the height of the function curve and the fins with surface corrugations to effectively expand the heat transfer area and enhance heat transfer ; Unique anodic oxidation and electrophoresis treatment methods for extruded aluminum profiles can effectively prevent the corrosion of condens...
Claims
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Application Information
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