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Preparing method for novel ship propeller

A marine propeller, a new type of technology, applied in the direction of rotating propellers, rotary propellers, etc., can solve the problems affecting the performance and life of the propeller, and insufficient corrosion resistance.

Inactive Publication Date: 2016-03-23
SUZHOU JINYE MARINE MACHINERY PLANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current copper alloys have deficiencies in composition formulation and preparation process, and the prepared propellers show insufficient corrosion resistance in relatively heavily polluted sea areas, which affects the performance and life of the propellers.

Method used

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  • Preparing method for novel ship propeller

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The specific preparation steps of the novel marine propeller mentioned in the present invention are as follows:

[0017] a) Material selection and preparation. Raw materials are composed of metal materials and auxiliary materials. Metal materials include: pure aluminum, pure iron, pure zinc, pure nickel, pure manganese, pure molybdenum, pure tin, pure chromium and pure copper, and their percentage ratios For: Al9%, Fe4.5%, Zn0.04%, Ni5.5%, Mn2.5%, Mo0.02%, Sn0.03%, Cr3.5%, the balance is Cu; auxiliary materials include covering agent and Refining agent, its content is about 0.9% of the total metal material, the ratio of the two is about 5:1, the covering agent is charcoal, and the refining agent is sodium carbonate;

[0018] b) Melting, the equipment uses a crucible melting furnace, and the melting process is as follows: first, preheat the crucible furnace, and the preheating temperature is controlled at about 600°C; then, add pure iron, pure nickel, pure manganese, pur...

Embodiment 2

[0023] The specific preparation steps of the novel marine propeller mentioned in the present invention are as follows:

[0024] a) Material selection and preparation. Raw materials are composed of metal materials and auxiliary materials. Metal materials include: pure aluminum, pure iron, pure zinc, pure nickel, pure manganese, pure molybdenum, pure tin, pure chromium and pure copper, and their percentage ratios For: Al10%, Fe5%, Zn0.03%%, Ni5.3%, Mn2.6%, Mo0.025%, Sn0.035%, Cr3.3%, the balance is Cu; auxiliary materials include covering agent and refining agent, its content is about 1% of the total metal material, the ratio of the two is about 5:1, the covering agent is charcoal, and the refining agent is sodium carbonate;

[0025] b) Melting, the equipment uses a crucible melting furnace, and the melting process is as follows: first, preheat the crucible furnace, and the preheating temperature is controlled at about 600°C; then, add pure iron, pure nickel, pure manganese, pur...

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Abstract

The invention discloses a preparing method for a novel ship propeller. The preparing method comprises the following steps of a, material selection and preparing, b, smelting, c, casting, d, heat treatment and e, aftertreatment. The preparing method for the novel ship propeller is disclosed, the working procedure arrangement of the preparing method is reasonable, the preparing technology is simple and convenient, the implementation cost is proper, the manufactured propeller shows the good comprehensive performance, particularly, the corrosion resisting property is prominent, and in the relatively and seriously polluted sea area, the good using performance and the service life of the propeller can be kept.

Description

technical field [0001] The invention relates to a preparation method of a marine propeller, in particular to a preparation method of a novel marine propeller with excellent comprehensive performance and outstanding corrosion resistance, belonging to the technical field of ship propellers. Background technique [0002] A ship propeller is a mechanism that propels a ship forward. It is an energy converter that converts natural force, manpower or mechanical energy into ship thrust. Ship propellers can be divided into active type and reactive type according to the mode of action. The fiber and sail that rely on manpower or wind to drive the ship forward are active type propellers, and those that rely on oars, sculls, paddle wheels, and propellers to drive the ship forward are reactive type. propeller. Most modern transport ships use reactive propellers, among which propellers are the most widely used. [0003] For a long time, most marine propeller materials have been made of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C9/01C22C1/02C22C1/06C22F1/08B63H1/14
CPCC22C9/01B63H1/14C22C1/02C22C1/06C22F1/08
Inventor 汤建明
Owner SUZHOU JINYE MARINE MACHINERY PLANT
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