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Rare earth aluminum-manganese alloy sterilization foil for fresh steaming brick of pet food package and production technology thereof

A technology of pet food and production process, applied in metal processing equipment, metal rolling, manufacturing tools, etc., can solve problems such as crystallization and rolling difficulties, and achieve the effects of eliminating dendrite segregation, high flash point, and preventing blackening

Pending Publication Date: 2020-08-28
JIANGSU ZHONGJI LAMINATION MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the aluminum alloy contains high manganese. If it is produced by continuous casting and rolling, the range of the two-phase region composed of solid phase and liquid phase will increase during the casting and rolling process of the strip billet, so that the aluminum-manganese alloy should be in the casting and rolling process. It is very difficult to complete the crystallization and rolling within 2 to 3 seconds in the casting and rolling area of ​​about 5~6cm

Method used

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  • Rare earth aluminum-manganese alloy sterilization foil for fresh steaming brick of pet food package and production technology thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] A rare earth aluminum-manganese alloy sterilizing foil for steaming fresh bricks for pet food packaging, including the following raw materials in mass percentage: Si: 0.18%, Fe: 0.40%, Cu: 0.13%, Mn: 1.15%, La: 0.13%, Mg: 0.005%, Zn: 0.01%, Ti: 0.01%, P: 0.0051%, Li: 0.018%, and the balance is Al.

[0060] A production process of rare earth aluminum-manganese alloy sterilizing foil for steaming fresh bricks for pet food packaging, comprising the following steps:

[0061] S1: Production of cast and rolled coils:

[0062]Furnace preparation→burden preparation→furnace loading→melting→stirring and slag removal→composition adjustment→in-furnace treatment (first refining)→converter and standing (second refining)→degassing box degassing and slag removal→filter box Double-channel double-stage ceramic filter plate to filter and remove slag → cast and roll into 7.0mm continuous cast-rolled plate, and then wind up into cast-rolled coil; in the preparation of the furnace charge, t...

Embodiment 2

[0081] Rare earth aluminum-manganese alloy sterilizing foil for steaming fresh bricks for pet food packaging, including the following raw materials in mass percentage: Si: 0.22%, Fe: 0.47%, Cu: 0.15%, Mn: 1.22%, La: 0.17%, Mg: 0.008% , Zn: 0.02%, Ti: 0.03%, P: 0.008%, Li: 0.02%, and the balance is Al.

[0082] A production process of rare earth aluminum-manganese alloy sterilizing foil for steaming fresh bricks for pet food packaging, comprising the following steps:

[0083] S1: Production of cast and rolled coils:

[0084] Furnace preparation→burden preparation→furnace loading→melting→stirring and slag removal→composition adjustment→in-furnace treatment (first refining)→converter and standing (second refining)→degassing box degassing and slag removal→filter box Double-channel double-stage ceramic filter plate to filter and remove slag → cast and roll into 7.0mm continuous cast-rolled plate, and then wind up into cast-rolled coil; in the preparation of the furnace charge, the...

Embodiment 3

[0103] A rare earth aluminum-manganese alloy sterilizing foil for steaming bricks for pet food packaging, including the following raw materials in mass percentage: Si: 0.26%, Fe: 0.55%, Cu: 0.17%, Mn: 1.35%, La: 0.21%, Mg: 0.01%, Zn: 0.03%, Ti: 0.01 to 0.05%, P: 0.01%, Li: 0.03%, and the balance is Al.

[0104] A production process of rare earth aluminum-manganese alloy sterilizing foil for steaming fresh bricks for pet food packaging, comprising the following steps:

[0105] S1: Production of cast and rolled coils:

[0106] Furnace preparation→burden preparation→furnace loading→melting→stirring and slag removal→composition adjustment→in-furnace treatment (first refining)→converter and standing (second refining)→degassing box degassing and slag removal→filter box Double-channel double-stage ceramic filter plate to filter and remove slag → cast and roll into 7.0mm continuous cast-rolled plate, and then wind up into cast-rolled coil; in the preparation of the furnace charge, th...

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Abstract

The invention discloses rare earth aluminum-manganese alloy sterilization foil for a fresh steaming brick of a pet food package. The foil comprises the following raw materials of, by mass percentage,less than or equal to 0.3% of Si, less than or equal to 0.6% of Fe, 0.12-0.18% of Cu, 1.1-1.4% of Mn, 0.10-0.25% of La, less than or equal to 0.01% of Mg, less than or equal to 0.03% of Zn, less thanor equal to 0.05% of Ti, less than or equal to 0.01% of P, less than or equal to 0.03% of Li, and the balance Al. The foil is obtained through cast-rolled coil production, rolling in a cold rolling mill, a foil rolling process, a finished product cutting process, a finished product annealing process and an inspection and packaging process. The rare earth aluminum-manganese alloy sterilization foilfor the fresh steaming brick of the pet food package has the advantages of uniform structure, flatness, no wave, consistent foil surface color and high heat resistance, heat conduction, flexibility,corrosion resistance and air tightness of the aluminum foil completely meet the requirements of the sterilization aluminum foil for the fresh steaming brick of the pet food package.

Description

technical field [0001] The invention belongs to the technical field of pet food, and more specifically relates to a rare-earth aluminum-manganese alloy sterilizing foil for steaming bricks used in pet food packaging and a production process thereof. Background technique [0002] The packaging material of steamed fresh package is based on paper, polyethylene and aluminum foil. It is a composite packaging material formed from the inside to the outside according to 6 layers of PE / aluminum foil / PE / cardboard / PE / PE printing layer. Among them : Paper accounts for 75%, its main function is to ensure the strength and good formability of packaging materials, polyethylene accounts for 20%, its main function is to ensure that packaging materials are tightly compounded, and it also plays a role in isolating bacteria to a certain extent, while aluminum foil As a high barrier material, it can play a good barrier effect on oxygen, moisture, light and various rays. It is a functional materia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B1/40B21B27/02C22C21/00C22F1/04
CPCB21B1/40B21B27/02C22C21/00C22F1/04
Inventor 崔广健戴苏宁赖其先
Owner JIANGSU ZHONGJI LAMINATION MATERIALS
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