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Self-etching magnesium alloy ball valve for pressure measurement of underground pipeline and preparation method of self-etching magnesium alloy ball valve

An underground pipeline and magnesium alloy technology, which is applied to the field of self-etchable magnesium alloy ball valve for pressure measurement of underground pipeline and its preparation field, can solve the problems of high cost, complicated and cumbersome process of taking out the ball valve, low efficiency, etc., and achieves low cost and process. Simple, easy and efficient

Inactive Publication Date: 2015-04-29
山东宏泰科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The process of taking out the ball valve is complex and cumbersome, with high cost and low efficiency

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Melt 100 kg of ordinary AZ91D magnesium alloy ingot, heat up to 760°C, add iron powder with a total weight of 5 kg of alloy ingot, stir well, and keep warm for 40 minutes; adjust the temperature to 720°C, add 15 kg of alloy ingot in the middle of magnesium silicon Alloy (the mass content of silicon is 30%) and 5 kg of copper powder, sprinkle 0.01 nickel powder on the surface of the alloy liquid, fully stir, after spectral analysis, then add an appropriate amount of aluminum ingot to adjust the aluminum element content. After the composition meets the scope disclosed in the present application, it is cast into rods. If the inner diameter of the pipe base is 63mm, process a magnesium alloy ball with a diameter of 63.2mm.

Embodiment 2

[0017] Melt 100 kg of ordinary AZ91D magnesium alloy ingot, heat up to 770°C, add iron powder with a total weight of 6.5 kg of alloy ingot, stir well, and keep it warm for 40 minutes; adjust the temperature to 720°C, add 15 kg of alloy ingot in the middle of magnesium silicon alloy (silicon mass content is 30%) and 8 kg of copper powder, sprinkle 0.05 kg of nickel powder on the surface of the alloy liquid, fully stir, after spectral analysis, then add an appropriate amount of aluminum ingots to adjust the aluminum element content. After the composition meets the scope disclosed in the present application, it is cast into rods. If the inner diameter of the pipe base is 63mm, process a magnesium alloy ball with a diameter of 63.2mm.

Embodiment 3

[0019] Melt 100 kg of ordinary AZ91D magnesium alloy ingot, heat up to 780°C, add iron powder with a total weight of 8 kg of alloy ingot, stir well, and keep it warm for 40 minutes; adjust the temperature to 720°C, add 20 kg of alloy ingot in the middle of magnesium silicon alloy (silicon mass content is 30%) and 10 kg of copper powder, sprinkle 0.1 kg of nickel powder on the surface of the alloy liquid, fully stir, after spectral analysis, then add an appropriate amount of aluminum ingots to adjust the aluminum element content. After the composition meets the scope disclosed in the present application, it is cast into rods. If the inner diameter of the pipe base is 63mm, process a magnesium alloy ball with a diameter of 63.2mm.

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Abstract

The invention relates to a self-etching magnesium alloy ball valve for pressure measurement of an underground pipeline and a preparation method of the self-etching magnesium alloy ball valve. A material of the self-etching magnesium alloy ball valve for pressure measurement of the underground pipeline comprises chemical components as follows: 7%-10.5% of Al, 1%-3% of Zn, 0.05%-0.3% of Mn, 3%-10% of Si, 0.5%-2% of Fe, 3%-10% of Cu, 0.01%-0.05% of Ni and the balance of Mg. The process for taking out the ball valve is simple and easy, the cost is low, and the efficiency is high; the ball valve is self-etched under the action of underground water after pressure measurement is finished, and a reverse discharging process of the ball valve is omitted.

Description

technical field [0001] The invention relates to a self-erodible magnesium alloy ball valve for underground pipeline pressure measurement and a preparation method thereof. Background of the invention [0002] After the underground pipeline of the drilling platform is laid, it is necessary to conduct a pressure test on the pipeline to ensure the airtightness of the pipeline. The traditional method is to fill the bottom hole with a hard plastic ball valve for hydraulic testing. After the pressure measurement is completed, apply pressure in the opposite direction of the pipeline to push the plastic ball valve out of the pipeline. The process of taking out the ball valve is complex and cumbersome, with high cost and low efficiency. Contents of the invention [0003] The object of the present invention is to provide a self-erodible magnesium alloy ball valve for underground pipeline pressure measurement and a preparation method thereof. The process of taking out the ball valve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C23/02C22C23/00C22C1/03
CPCC22C23/02C22C1/03C22C23/00
Inventor 翟慎宝孙启明柴韶春王鲁东石宪柱张玉坤邢守成吕丽丽
Owner 山东宏泰科技有限公司
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