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Aluminum-casting flange plate

A flange and aluminum casting technology, which is applied in the direction of flange connection, mechanical equipment, pipe/pipe joint/pipe fitting, etc., can solve the problems of easy loose flange connection, troublesome disassembly and installation, etc.

Inactive Publication Date: 2017-01-11
宁波市海曙唯达汽车配件厂(普通合伙)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, flanges are parts that are connected to each other between pipes, and are used for the connection between pipe ends. Flange connection is an important connection method in pipeline construction; however, there are still many shortcomings in ordinary flange connections. The flange connection is easy to loosen, and it is troublesome to disassemble and install at the same time, and the flange needs to have strong wear resistance and corrosion resistance during use, as well as good mechanical properties

Method used

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  • Aluminum-casting flange plate
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  • Aluminum-casting flange plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] S1: Preheat the melting furnace to 300°C;

[0044] S2: Raw materials for configuring the composition, by mass percentage: Si1%, Fe0.1%, Mn0.4%, Cu0.5%, Mg2.5%, Zn6%, Ce0.1%, Y0.1%, Yu The amount is aluminum. After mixing the raw materials evenly, put them into the smelting furnace and heat up to 680°C to completely melt into aluminum liquid, in which the raw material aluminum is added in 3 times;

[0045] S3: Adding 0.58% refining agent to the molten aluminum, adding a mixture of sodium fluoride, sodium chloride and potassium chloride with a mass ratio of 1.5:4:1, the amount of the mixture added is 2% by mass %; described refining agent is the hexachloroethane of mass percentage 60%, the sodium fluorosilicate of 20%, the mixture of the carnallite of 20%, adds the Al-Sr-Ti alloy that accounts for the total mass of aluminum liquid 1%, The molar percentage content of Sr element in the Al-Sr-Ti alloy is 1%, and the molar percentage content of Ti element is 3%. A mixed gas...

Embodiment 2

[0047] S1: Preheat the melting furnace to 300°C;

[0048] S2: Raw materials for configuring the composition, by mass percentage: Si1.5%, Fe0.15%, Mn0.3%, Cu1%, Mg3.2%, Zn10%, Ce0.15%, Y0.15%, Yu The amount is aluminum. After mixing the raw materials evenly, put them into the smelting furnace and heat up to 690°C to completely melt into aluminum liquid. The raw material aluminum is added in 5 times respectively;

[0049] S3: Add 0.8% refining agent to the molten aluminum, add a mixture of sodium fluoride, sodium chloride, and potassium chloride at a mass ratio of 1.8:4.5:1, and the amount of the mixture added is 1.6% by mass %; described refining agent is the hexachloroethane of mass percentage 65%, the sodium fluorosilicate of 18%, the mixture of the carnallite of 17%, adds the Al-Sr-Ti alloy that accounts for 1% of aluminum liquid gross mass, The molar percentage content of Sr element in the Al-Sr-Ti alloy is 0.5%, and the molar percentage content of Ti element is 3%. A mix...

Embodiment 3

[0051] S1: Preheat the melting furnace to 270°C;

[0052] S2: Raw materials for configuring the composition, by mass percentage: Si1%, Fe0.2%, Mn0.2%, Cu0.5%, Mg2.3%, Zn6%, Ce0.14%, Y0.12%, Yu The amount is aluminum. After mixing the raw materials evenly, put them into the smelting furnace and heat up to 680°C to completely melt into aluminum liquid, in which the raw material aluminum is added in 3 times;

[0053] S3: Adding 0.8% refining agent by mass percentage to the molten aluminum, adding a mixture of sodium fluoride, sodium chloride and potassium chloride with a mass ratio of 2:5:1, the amount of the mixture added is 2 by mass percentage %; described refining agent is the hexachloroethane of mass percentage 70%, the sodium fluorosilicate of 20%, the mixture of the carnallite of 10%, adds the Al-Sr-Ti alloy that accounts for the total mass of aluminum liquid 1%, The molar percentage content of Sr element in the Al-Sr-Ti alloy is 1%, and the molar percentage content of Ti...

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Abstract

The invention discloses an aluminum-casting flange plate which is manufactured from aluminum alloy. The aluminum-casting flange plate comprises a top plate, a bottom plate and a connecting part. The top plate and the bottom plate are in the shape of a circular ring. The outer circle diameter of the bottom plate is greater than that of the top plate. The inner circle diameter of the bottom plate is equal to that of the top plate. The connecting part is composed of a hollow cylinder and four beams. The inner circle diameter of the hollow cylinder is equal to the inner circle diameter of the top plate. The outer circle diameter of the hollow cylinder is smaller than that of the top plate. The four beams are as high as the hollow cylinder, are evenly distributed on the outer wall of the hollow cylinder and extend outwards in the radial direction of the hollow cylinder. The extension length of one ends of the four beams is equal to the ring width of the top plate, the extension length of the other ends of the four beams is equal to the ring width of the bottom plate, and the two ends of the four beams are connected to form wedge-shaped beams. The connecting part is connected with the top plate and the bottom plate coaxially to form the flange plate. The flange plate is integral, stable in structure, reliable in connection and easy to install, and has the performance of abrasion resistance, corrosion resistance and high mechanical strength.

Description

technical field [0001] The invention relates to the connection of pipelines and pipe fittings, in particular to the connection of flanges. Background technique [0002] At present, flanges are parts that are connected to each other between pipes, and are used for the connection between pipe ends. Flange connection is an important connection method in pipeline construction; however, there are still many shortcomings in ordinary flange connections. The flange connection is easy to loosen, and it is troublesome to disassemble and install at the same time, while the flange needs to have strong wear resistance and corrosion resistance during use, as well as good mechanical properties. Contents of the invention [0003] The technical problem to be solved by the present invention is to propose an aluminum cast flange in view of the above-mentioned shortcomings of the prior art. [0004] The technical solution adopted by the present invention to solve the technical problem is to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L23/032C22C21/10C22C1/02C22C1/06
CPCF16L23/032C22C1/026C22C1/06C22C21/10
Inventor 华吉华胜
Owner 宁波市海曙唯达汽车配件厂(普通合伙)