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BDO device hydrogen compressor high-pressure oil injection structure

A high-pressure oil injection and compressor technology, which is applied in mechanical equipment, machines/engines, liquid variable capacity machinery, etc., can solve problems such as unfavorable long-term stable operation of equipment, poor reliability of NPT conical unions, hidden dangers to production safety, etc.

Active Publication Date: 2014-05-07
FUJIAN MEIZHOU BAY CHLOR ALKALI IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The design pressure of this stainless steel rubber-lined metal hose is 42.0MPa, which can withstand the high pressure on the material side, but the hose bursts due to the aging of the rubber lining under high temperature and high pressure conditions, and the reliability of the 1 / 4NPT conical union It is also not good. The joints have fallen off many times. In the production process, there have been fire accidents caused by hose bursts and joints falling off. There is a large production safety hazard, which is not conducive to the long-term stable operation of the equipment.

Method used

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  • BDO device hydrogen compressor high-pressure oil injection structure
  • BDO device hydrogen compressor high-pressure oil injection structure

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Embodiment Construction

[0013] In order to describe in detail the technical content, structural features, achieved objectives and effects of the present invention, the following will be described in detail in conjunction with the embodiments.

[0014] Please refer to figure 1 and figure 2 , are respectively the sectional view and the front view of the high-pressure oil injection interface and the high-pressure oil injection pipe of the present invention. The high-pressure oil injection structure of the hydrogen compressor of the BDO device includes a high-pressure oil injection interface 1 and a high-pressure oil injection pipe 2. The high-pressure oil injection pipe 1 is made of 1Cr18Ni9Ti stainless steel, and the high-pressure oil injection interface 1 is a rigid flat sealing joint. between soldered connections.

[0015] In the above-mentioned embodiment, the high-pressure oil injection interface 1 is a hollow structure, and its cross section 3 is in a convex shape, and a circular groove 6 with ...

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Abstract

The invention discloses a BDO device hydrogen compressor high-pressure oil injection structure which comprises a high-pressure oil injection joint and a high-pressure oil injection pipe. The high-pressure oil injection pipe is made of 1Cr18Ni9Ti stainless steel, the high-pressure oil injection joint is a rigid planar seal joint, and the high-pressure oil injection pipe is welded with the rigid planar seal joint. By transforming an original connecting mode, shutdown maintenance caused by detonation of an oil injection hose and separation of the joint is avoided, unit operation cycle is shortened, and operation consumption is reduced.

Description

technical field [0001] The invention relates to a high-pressure oil injection structure of a hydrogen compressor of a BDO device. Background technique [0002] The hydrogen compression section of the BDO plant is equipped with two hydrogen compressors. The unit is a six-row symmetrical balanced reciprocating piston compressor. The maximum pumping capacity of a single unit is 250kg / h. During the production process, the unit has a sixth-stage outlet pressure of 20.0MPa and a seventh-stage outlet pressure Reach 30.0MPa. The fuselage side of the 6 / 7-stage cylinder body of the unit is sealed with packing. The stuffing box is designed with interfaces such as cooling water, sealing nitrogen and high-pressure oil injection. / 4 NPT conical union. The design pressure of this stainless steel rubber-lined metal hose is 42.0MPa, which can withstand the high pressure on the material side, but the hose bursts due to the aging of the rubber lining under high temperature and high pressure ...

Claims

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Application Information

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IPC IPC(8): F04B39/02
Inventor 林剑伟
Owner FUJIAN MEIZHOU BAY CHLOR ALKALI IND
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