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Corrugated fin aluminum foil base material for heat radiation tower and preparation method of corrugated fin aluminum foil base material

A technology of corrugated fins and cooling towers is applied in the field of corrugated fin aluminum foil substrates for cooling towers and their preparation, which can solve the problems of inconvenient punching, unstable performance and high cost, and achieve stable strength and good surface cleanliness. , the effect of superior processing performance

Inactive Publication Date: 2020-04-10
JIANGSU DINGSHENG NEW MATERIAL JOINT STOCK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cost of the existing corrugated fin-shaped heat exchange packing is high, and the strength is low, the performance is unstable, and it is not convenient for punching and processing

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The invention relates to a corrugated fin aluminum foil base material for cooling towers and a preparation method thereof. Firstly, its composition and mass percentage are controlled as follows: Si 0.12%, Fe 0.27%, Cu 0.012%, Mn 0.02%, Zn 0.0085%, Ti 0.02%, the balance is Al.

[0019] According to the above composition control, further obtain the corrugated fin aluminum foil base material for heat dissipation tower, the specific preparation steps are as follows:

[0020] (1) Smelting: The raw materials are fully stirred evenly during smelting, the smelting temperature is 730°C, the special refining agent is refined at 720°C for 15 minutes during smelting, and it is left to stand for 15 minutes. ;

[0021] (2) Casting and rolling: during casting and rolling production, the temperature of the degassing box is controlled at 730°C, the pressure of argon gas is controlled at 0.2Mpa, and the gas flow rate is controlled at 2.0m 3 / h, rotor speed control 250rpm, filter box te...

Embodiment 2

[0027] The invention relates to a corrugated fin aluminum foil base material for cooling towers and a preparation method thereof. Firstly, its composition and mass percentage are controlled as follows: Si 0.08%, Fe 0.25%, Cu 0.011%, Mn 0.015%, Zn 0.0065%, Ti 0.03%, the balance is Al.

[0028] According to the above composition control, the finished base material of the corrugated fin aluminum foil base material for cooling towers was further obtained, and the specific preparation steps were the same as in Example 1.

[0029] The performance test of the finished product of the corrugated fin aluminum foil base material for heat dissipation towers of the present invention shows that the tensile strength is 109mpa, the elongation is 5.1%, and the dyne value on the surface of the aluminum foil is 32. The performance of the aluminum foil is stable and meets the use requirements.

Embodiment 3

[0031] The invention relates to a corrugated fin aluminum foil base material for cooling towers and a preparation method thereof. Firstly, its composition and mass percentage are controlled as follows: Si 0.05%, Fe 0.29%, Cu 0.018%, Mn 0.017%, Zn 0.006%, Ti 0.019%, the balance is Al.

[0032] According to the above composition control, the finished base material of the corrugated fin aluminum foil base material for cooling towers was further obtained, and the specific preparation steps were the same as in Example 1.

[0033] The performance test of the finished product of the corrugated fin aluminum foil base material for heat dissipation towers of the present invention shows that the tensile strength is 113mpa, the elongation is 5.2%, and the dyne value on the surface of the aluminum foil is 32. The performance of the aluminum foil is stable and meets the use requirements.

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Abstract

The invention discloses a corrugated fin aluminum foil base material for a heat radiation tower. The corrugated fin aluminum foil base material comprises, by mass percent, 0.05%-0.15% of Si, 0.2%-0.3%of Fe, not larger than 0.02% of Cu, 0.03% of Mn, not larger than 0.03% of Zn, 001%-0.03% of Ti and the balance Al. The invention further discloses a preparation method of the corrugated fin aluminumfoil base material for the heat radiation tower. The preparation method comprises the steps that a cast-rolled coiled material blank is firstly subjected to cold rolling to the set thickness, then homogenizing annealing is carried out, after homogenizing annealing is carried out, cold rolling is carried out to reach the set thickness, intermediate annealing is carried out, and finally cold rollingis carried out to reach the finished product thickness. The corrugated fin aluminum foil base material has the excellent machining performance, the strength is stable, plasticity is good, the problemof punching cracking of the corrugated fin aluminum foil base material for the heat radiation tower in the corrugated fin aluminum foil machining process is effectively avoided, and the machining efficiency is greatly improved.

Description

technical field [0001] The invention relates to a corrugated fin aluminum foil base material for heat dissipation towers and a preparation method thereof, belonging to the technical field of aluminum foil calendering manufacturing. Background technique [0002] In order to solve the problem of odor pollution caused by organic amines in exhaust gas, a new field of application of packed towers is air separation devices, which can make gas-liquid or liquid-liquid two phases in close contact to achieve interphase mass transfer and heat transfer. Purpose. Common unit operations completed in tower equipment include: rectification, absorption, desorption and extraction, etc. For many countercurrent gas-liquid contact processes, when the tower diameter is not large, the packed tower is cheap because of its simple structure. Air separation equipment company The new generation of large-scale air separation equipment represented by packed towers, full rectification argon production, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00B21B1/22C22F1/04
CPCB21B1/22B21B2001/221C22C21/00C22F1/04
Inventor 李高林王昭浪黄寿志王超新
Owner JIANGSU DINGSHENG NEW MATERIAL JOINT STOCK CO LTD
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