Analysis of possibilities to utilize excess heat of supermarkets as heat source for district heating

被引：17

作者：

Ziihlsdorf, B. ^{[1
]}

Christiansen, A. Riis ^{[2
]}

Holm, F. Milner ^{[2
]}

Funder-Kristensen, T. ^{[3
]}

Elmegaard, B. ^{[1
]}

机构：

[1] Tech Univ Denmark, Nils Koppels Alle,Bldg 403, DK-2800 Lyngby, Denmark

[2] Viegand Maagoe AS, Norre Farimsgade 37, DK-1364 Copenhagen, Denmark

[3] Danfoss AS, Albuen 29, DK-6000 Kolding, Denmark

来源：

16TH INTERNATIONAL SYMPOSIUM ON DISTRICT HEATING AND COOLING, DHC2018 | 2018年 / 149卷

关键词：

CO2; District Heating; Excess Heat Recovery; Supermarket Refrigeration; Sector Coupling; PUMPS; PERFORMANCE; RECOVERY;

D O I：

10.1016/j.egypro.2018.08.192

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The paper analyses the possibilities to recover excess heat from CO2 supermarket refrigeration plants for supply to district heating networks. It was analyzed to operate the refrigeration system at an increased gascooler pressure to directly supply heat and to install a cascade heat pump to recover the heat from lower temperatures. Increasing the gascooler pressure appeared promising during summer, while the cascade heat pump showed higher COPS during colder periods. The investment for the cascade heat pump could be compensated within 4 years at district heating prices above 37 (sic)/MWh. (C) 2018 The Authors. Published by Elsevier Ltd.

引用

页码：276 / 285

页数：10

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