Title:
MANUFACTURING PROCESS FOR PLUNGER PUMP CASING, PLUNGER PUMP CASING, AND PLUNGER PUMP
Document Type and Number:
WIPO Patent Application WO/2023/179061
Kind Code:
A1
Abstract:
A manufacturing process for a plunger pump housing, comprising: quenching and tempering a medium carbon steel casing base (100); machining the quenched and tempered medium carbon steel casing base (100), and machining an inner cavity (110) of the medium carbon steel casing base (100) to a build-up welding size, the build-up welding size being greater than a preset size of the inner cavity (110); build-up welding a duplex stainless steel layer (200) on the side wall of the inner cavity (110); and machining the inner cavity (110) to the preset size. Also provided are a plunger pump casing and a plunger pump. The safety and reliability of the plunger pump are improved.
Inventors:
SUN JIANXIONG (CN)
LI XIAOBIN (CN)
SONG XINWEN (CN)
ZHU YUNGUO (CN)
LI XIAOBIN (CN)
SONG XINWEN (CN)
ZHU YUNGUO (CN)
Application Number:
PCT/CN2022/132680
Publication Date:
September 28, 2023
Filing Date:
November 17, 2022
Export Citation:
Assignee:
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD (CN)
International Classes:
B23K9/167; B23K9/04; C21D9/00
Foreign References:
| CN114505656A | 2022-05-17 | |||
| CN109128683A | 2019-01-04 | |||
| CN109676333A | 2019-04-26 | |||
| CN102941394A | 2013-02-27 | |||
| JP2020190226A | 2020-11-26 |
Attorney, Agent or Firm:
COHORIZON INTELLECTUAL PROPERTY INC. (CN)
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