Title:
CARBON DIOXIDE OVERLAPPING TYPE HEATING SYSTEM, AND CONTROL METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/103053
Kind Code:
A1
Abstract:
Disclosed are a carbon dioxide overlapping type heating system and a control method therefor. The heating system comprises a low-temperature stage loop, a high-temperature stage loop and a heat supply loop, wherein a low-temperature stage compressor (3) and a high-temperature stage compressor (7) are both variable-frequency compressors; and a water pump (10) is a variable-frequency water pump.
Inventors:
PAN HAO (CN)
TANG XIAOLIANG (CN)
XIONG DAN (CN)
YOU JUN (CN)
KANG QIANG (CN)
SONG XIAOFEI (CN)
TANG XIAOLIANG (CN)
XIONG DAN (CN)
YOU JUN (CN)
KANG QIANG (CN)
SONG XIAOFEI (CN)
Application Number:
PCT/CN2019/122562
Publication Date:
June 03, 2021
Filing Date:
December 03, 2019
Export Citation:
Assignee:
JIANGSU SUJING GROUP CO LTD (CN)
International Classes:
F25B30/02; F24D3/18; F24D19/10; F25B7/00; F25B49/02
Foreign References:
| CN205783233U | 2016-12-07 | |||
| CN108759144A | 2018-11-06 | |||
| CN203824164U | 2014-09-10 | |||
| CN104048347A | 2014-09-17 | |||
| CN210605494U | 2020-05-22 | |||
| CN107014098A | 2017-08-04 | |||
| CN107024019A | 2017-08-08 | |||
| KR20110136243A | 2011-12-21 | |||
| GB2257243B | 1995-12-20 |
Attorney, Agent or Firm:
SUZHOU CREATOR PATENT AND TRADEMARK AGENCY, LTD (CN)
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