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Pouring method of natural gas power cylinder body

A casting method and power cylinder technology are applied in the field of natural gas power cylinders, which can solve the problems of many casting defects and poor feeding performance, and achieve the effects of improving mechanical properties, improving the qualification rate and ensuring the requirements of mechanical properties.

Active Publication Date: 2014-01-29
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The existing natural gas power casting method has poor shrinkage and many casting defects

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] In the pouring method of the natural gas power cylinder in this embodiment, the pouring temperature is 1330°C.

Embodiment 2

[0051] In the pouring method of the natural gas power cylinder in this embodiment, the pouring temperature is 1350°C.

Embodiment 3

[0053] In the pouring method of the natural gas powered cylinder in this embodiment, the pouring temperature is 1340°C.

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Abstract

The invention discloses a pouring method of a natural gas power cylinder body, which aims to solve the problems of poor feeding property and more casting defects of a casting piece produced by an existing pouring method. According to the pouring method, the pouring temperature ranges from 1330 DEG C to 1350 DEG C. The pouring method is beneficial to feeding of a casting piece and can reduce other casting defects.

Description

technical field [0001] The invention belongs to the technical field of natural gas power cylinders, and in particular relates to a pouring method for natural gas power cylinders. Background technique [0002] In the prior art, natural gas is mainly compressed by a pipeline release steam turbine and a centrifugal natural gas compressor. [0003] At present, domestic and foreign natural gas compressors are mainly divided into high-speed and high-power reciprocating piston compressors and low-speed reciprocating compressors. Among them, the high-speed and high-power reciprocating piston compressor, with a speed n of 1000r / min and a power P of 6000kW, is mainly used for natural gas gathering and transportation pressurization and gas injection in gas storage. It is an indispensable equipment for natural gas exploration, development and storage . The power cylinder is the main part of the natural gas compressor to provide power during the process of compressing natural gas. The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C37/06B22D1/00
Inventor 李振波刘锐张前李荣飞张钰廖渝隆朱文武吴中麒谭昭金杨鹏刘明星姜超谭学木段悦洪李胜钟明春李健凌波
Owner BC P INC CHINA NAT PETROLEUM CORP
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