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Preparation method of tin bronze coil pipe

A tin bronze and coiled tube technology is applied in the field of preparation of tin bronze coiled tubes, which can solve the problems of low material utilization rate, long process flow and high production cost, and achieve the effects of high comprehensive utilization rate, reduced energy consumption and cost saving.

Inactive Publication Date: 2015-05-20
SUZHOU FURUI COPPER ALLOY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional copper tube production process is: batching - smelting - converter - casting - extrusion - pipe rolling - stretching - heat treatment - finishing - inspection and storage. Although the copper tube produced by this process is of good quality, the material Low utilization rate, high energy consumption, long process flow, low production efficiency and high production cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A preparation method of tin bronze coiled pipe, comprising the following steps:

[0030] (a) Dry the raw materials of the tin-bronze alloy, put them in a smelting furnace according to the mass ratio of 6% tin, 0.1% phosphorus, 0.01% cerium and the remaining copper, set the melting temperature to 1240°C, and wait for the raw materials to melt The back surface is covered with charcoal, and the thickness of the charcoal is 10cm;

[0031] (b) The channel between the melting furnace and the holding furnace is opened, and the molten alloy liquid flows from the melting furnace to the holding furnace;

[0032] (c) cooling the slab, and the cooling slab crystallizer is also equipped with an ultrasonic vibration device;

[0033] (e) Milling the pulled copper tube billet, the double-sided milling method can be adopted;

[0034] (f) Enter the billet into the rolling mill, and the rolls used are three-roll planetary rolling;

[0035] (g) drawing the rolled copper pipe;

[0036] ...

Embodiment 2

[0043] A preparation method of tin bronze coiled pipe, comprising the following steps:

[0044] (a) Dry the raw materials of the tin-bronze alloy, place the combination of tin 6.6%, phosphorus 0.2%, cerium 0.05% and the balance copper in the smelting furnace according to the mass ratio, set the smelting temperature to 1260°C, and wait for the raw materials to melt The back surface is covered with charcoal, and the thickness of the charcoal is 12cm;

[0045] (b) The channel between the melting furnace and the holding furnace is opened, and the molten alloy liquid flows from the melting furnace to the holding furnace;

[0046] (c) cooling the slab, the slab crystallizer is equipped with an ultrasonic vibration device;

[0047] (e) Milling the pulled copper tube billet, the double-sided milling method can be adopted;

[0048] (f) Enter the billet into the rolling mill, and the rolls used are three-roll planetary rolling;

[0049] (g) pulling the rolled copper pipe;

[0050] (...

Embodiment 3

[0053] A preparation method of tin bronze coiled pipe, comprising the following steps:

[0054] (a) Dry the raw materials of the tin-bronze alloy, place the combination of 7% tin, 0.25% phosphorus, 0.1% cerium and the remainder copper in a melting furnace according to the mass ratio, set the melting temperature to 1300°C, and wait for the raw materials to melt The back surface is covered with charcoal, and the thickness of the charcoal is 15cm;

[0055] (b) The channel between the melting furnace and the holding furnace is opened, and the molten alloy liquid flows from the melting furnace to the holding furnace;

[0056] (c) Cooling the billet, the mold of the billet adopts liquid flow multi-hole shunting built-in solid carbon rod graphite lined crystallizer, which can produce copper tubes with different apertures according to needs;

[0057] (e) Milling the pulled copper tube billet, the double-sided milling method can be adopted;

[0058] (f) Enter the billet into the roll...

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Abstract

The invention discloses a preparation method of a tin bronze coil pipe. The preparation method comprises the following steps of (a) smelting a raw material; (b) carrying out horizontal continuous casting; (c) milling; (d) carrying out cold rolling; (e) drawing; (f) annealing; (g) finishing; and (h) inspecting, packaging, and warehousing. The preparation method of the tin bronze coil pipe, which is disclosed by the invention, is high in comprehensive utilization ratio of a material, saved in cost and reduced in energy consumption because an extrusion step is not adopted. According to the preparation method, no extrusion step is adopted, so that the processing time is shortened, and the production efficiency is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of nonferrous metal processing, and in particular relates to a preparation method of a tin bronze coil. Background technique [0002] With the rise of the processing and manufacturing industry, the problems of environmental pollution and resource shortage have become increasingly prominent. Therefore, for the manufacturing industry, the production of low-energy, high-quality products has become the goal pursued by every manufacturer. The traditional copper tube production process is: batching-melting-converter-casting-extrusion-rolling-pipe-drawing-heat treatment-finishing-inspection and storage. Although the copper tube produced by this process is of good quality, the material The utilization rate is low, and the energy consumption is high, the process flow is long, the production efficiency is low, and the production cost is high. Contents of the invention [0003] The purpose of the present invention i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22F1/08C22C9/02
CPCC22F1/08C22C9/02
Inventor 朱国俊
Owner SUZHOU FURUI COPPER ALLOY TECH CO LTD