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Title:
DOUBLE-STAGE SCREW COMPRESSOR AND COMPRESSION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/174596
Kind Code:
A1
Abstract:
A double-stage screw compressor and a compression method, the compressor comprising a main body (3), a low-pressure stage drive (1) and a high-pressure stage drive (2); the main body (3) comprises a low-pressure stage shell (11), a high-pressure stage shell (12), a low-pressure stage screw (4), an inter-stage channel (8), and a high-pressure stage screw (5); the low-pressure stage shell (11) is provided with a gas intake chamber (6) and a low-pressure stage gas exhaust outlet (7), the low-pressure stage screw (4) being installed in the low-pressure stage shell (11), and the low-pressure stage drive (1) being directly connected to the low-pressure stage screw (4); the high-pressure stage shell (12) is provided with a gas intake chamber (9) and a high-pressure stage gas exhaust outlet (10), the high-pressure stage screw (5) being installed in the high-pressure stage shell (12), and the high-pressure stage drive (2) being directly connected to the high-pressure stage screw (5); the two ends of the inter-stage channel (8) are respectively secured to the low-pressure stage shell (11) and the high-pressure stage shell (12), the two ends of the inter-stage channel (8) respectively being in communication with the low-pressure stage gas exhaust outlet (7) and the high-pressure stage gas exhaust outlet (9), and the inter-stage channel (8) being provided with spray holes. The present screw compressor overcomes the problem of poor performance caused by the structure of traditional screw compressors such as horizontal placement and gear transmission, and has a rational design, scientific layout, and convenient use.

Inventors:
DING, Xiaochuan (Ding Xiaochuan, No.39 Jiaqi Road Xianlin Subdistrict, Yuhang Distric, Hangzhou Zhejiang 2, 311122, CN)
XU, Xiaoming (Ding Xiaochuan, No.39 Jiaqi Road Xianlin Subdistrict, Yuhang Distric, Hangzhou Zhejiang 2, 311122, CN)
YU, Yufei (Ding Xiaochuan, No.39 Jiaqi Road Xianlin Subdistrict, Yuhang Distric, Hangzhou Zhejiang 2, 311122, CN)
ZHOU, Gaoming (Ding Xiaochuan, No.39 Jiaqi Road Xianlin Subdistrict, Yuhang Distric, Hangzhou Zhejiang 2, 311122, CN)
Application Number:
CN2019/077972
Publication Date:
September 19, 2019
Filing Date:
March 13, 2019
Export Citation:
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Assignee:
HANGZHOU JIUYI MACHINERY CO., LTD (Ding Xiaochuan, No.39 Jiaqi Road Xianlin Subdistrict, Yuhang Distric, Hangzhou Zhejiang 2, 311122, CN)
International Classes:
F04C18/16; F04C23/00
Foreign References:
CN108150418A2018-06-12
CN205677833U2016-11-09
CN201474972U2010-05-19
CN202628526U2012-12-26
CN104948463A2015-09-30
CN204941938U2016-01-06
KR101523895B12015-05-28
US20080163473A12008-07-10
Attorney, Agent or Firm:
HANGZHOU TIANXIN PATENT AGENTS, GP. (ZHANG, Difeng1601 Jinfeng Building, NO.281 Zhong He Zhong Road, Shangcheng District, Hubin Distric, Hangzhou Zhejiang 3, 310003, CN)
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