Title:
AUXILIARY ACCUMULATOR AND LOW-PRESSURE LIQUID INLET MANIFOLD HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2023/155108
Kind Code:
A1
Abstract:
Disclosed are an auxiliary accumulator and a low-pressure liquid inlet manifold having same. The auxiliary accumulator (50) is provided on a housing (20) provided with a branch channel (21) and a mounting port (22) communicated with each other; the branch channel is communicated with a main pipeline (10); the auxiliary accumulator comprises: an energy storage assembly provided on the housing and located at the mounting port; the energy storage assembly comprises an energy storage structure (30) and an air bag (40) provided in the energy storage structure; the energy storage structure is provided with an energy storage cavity (31) and an air passage portion (32); the air passage portion is communicated with the air bag; the energy storage cavity is communicated with the branch channel by means of the mounting port; air can enter the air bag or be discharged from the air bag by means of the air passage portion, so that the air bag is extended/retracted, and a preset included angle is formed between the extension/retraction direction of the air bag and the extension direction of the branch channel. According to the apparatus, the problem in the prior art that a fracturing device is prone to air suction and sand setting during high-pressure and large-flow operation is effectively solved.
Inventors:
DU JUNLONG (CN)
ZHANG RIKUI (CN)
WANG JIANWEI (CN)
ZHANG PENG (CN)
JI XIAOLEI (CN)
ZHANG RIKUI (CN)
WANG JIANWEI (CN)
ZHANG PENG (CN)
JI XIAOLEI (CN)
Application Number:
PCT/CN2022/076694
Publication Date:
August 24, 2023
Filing Date:
February 17, 2022
Export Citation:
Assignee:
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD (CN)
International Classes:
F04B1/00; E21B43/26; F04B53/00
Foreign References:
| CN113404476A | 2021-09-17 | |||
| CN107709794A | 2018-02-16 | |||
| CN211449233U | 2020-09-08 | |||
| CN109236761A | 2019-01-18 | |||
| CN105156371A | 2015-12-16 | |||
| US20050020870A1 | 2005-01-27 | |||
| GB2104964A | 1983-03-16 |
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
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