A Novel Defrosting Method in Gasoline Vapor Recovery Application

Research output: Contribution to journalJournal article – Annual report year: 2018Researchpeer-review

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A Novel Defrosting Method in Gasoline Vapor Recovery Application. / Liang, Jierong; Sun, Li; Li, Tingxun.

In: Energy, Vol. 163, 2018, p. 751-765.

Research output: Contribution to journalJournal article – Annual report year: 2018Researchpeer-review

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Liang, Jierong ; Sun, Li ; Li, Tingxun. / A Novel Defrosting Method in Gasoline Vapor Recovery Application. In: Energy. 2018 ; Vol. 163. pp. 751-765.

Bibtex

@article{23ed019174d745229913f37a9b1bc958,
title = "A Novel Defrosting Method in Gasoline Vapor Recovery Application",
abstract = "Condensation method is comprehensively applied for gasoline vapor recovery (GVR), of which frosts in the heat exchanger is the greatest challenge, especially for the continuous long running cases. A novel dual channel GVR cascade refrigeration system with shell-tube heat exchanger was presented and tested in this paper. With one-work-one-standby evaporator settings, combined with refrigerant evacuation and delay switching strategies, the defrosting of low temperature shell-tube heat exchanger was analyzed and solved. Also multi-stage cycle was introduced to supply three cooling stage, which cooled the gasoline vapor from ordinary temperature to about -70°C. By the means of industrial application validation and process calculation, the ability of the non-stop cooling during defrosting was verified. The refrigerant evacuation was proposed to prevent high pressure drop caused by frost accumulation, which also improved the cooling capacity by 28.2{\%} and approached the defrost efficiency of 55.4{\%}. In addition, it was found that delay switching can effectively reduce the capacity fluctuation. Based on sensitivity studies, 20 minutes delay was identified as the best switching timing for this device. The capacity of this system performed lower reduction, higher duty ratio and defrost efficiency",
keywords = "Gasoline vapor, Dual channel, Defrost, Cascade cycle, Shell-tube",
author = "Jierong Liang and Li Sun and Tingxun Li",
year = "2018",
doi = "10.1016/j.energy.2018.08.172",
language = "English",
volume = "163",
pages = "751--765",
journal = "Energy",
issn = "0360-5442",
publisher = "Elsevier Ltd",

}

RIS

TY - JOUR

T1 - A Novel Defrosting Method in Gasoline Vapor Recovery Application

AU - Liang, Jierong

AU - Sun, Li

AU - Li, Tingxun

PY - 2018

Y1 - 2018

N2 - Condensation method is comprehensively applied for gasoline vapor recovery (GVR), of which frosts in the heat exchanger is the greatest challenge, especially for the continuous long running cases. A novel dual channel GVR cascade refrigeration system with shell-tube heat exchanger was presented and tested in this paper. With one-work-one-standby evaporator settings, combined with refrigerant evacuation and delay switching strategies, the defrosting of low temperature shell-tube heat exchanger was analyzed and solved. Also multi-stage cycle was introduced to supply three cooling stage, which cooled the gasoline vapor from ordinary temperature to about -70°C. By the means of industrial application validation and process calculation, the ability of the non-stop cooling during defrosting was verified. The refrigerant evacuation was proposed to prevent high pressure drop caused by frost accumulation, which also improved the cooling capacity by 28.2% and approached the defrost efficiency of 55.4%. In addition, it was found that delay switching can effectively reduce the capacity fluctuation. Based on sensitivity studies, 20 minutes delay was identified as the best switching timing for this device. The capacity of this system performed lower reduction, higher duty ratio and defrost efficiency

AB - Condensation method is comprehensively applied for gasoline vapor recovery (GVR), of which frosts in the heat exchanger is the greatest challenge, especially for the continuous long running cases. A novel dual channel GVR cascade refrigeration system with shell-tube heat exchanger was presented and tested in this paper. With one-work-one-standby evaporator settings, combined with refrigerant evacuation and delay switching strategies, the defrosting of low temperature shell-tube heat exchanger was analyzed and solved. Also multi-stage cycle was introduced to supply three cooling stage, which cooled the gasoline vapor from ordinary temperature to about -70°C. By the means of industrial application validation and process calculation, the ability of the non-stop cooling during defrosting was verified. The refrigerant evacuation was proposed to prevent high pressure drop caused by frost accumulation, which also improved the cooling capacity by 28.2% and approached the defrost efficiency of 55.4%. In addition, it was found that delay switching can effectively reduce the capacity fluctuation. Based on sensitivity studies, 20 minutes delay was identified as the best switching timing for this device. The capacity of this system performed lower reduction, higher duty ratio and defrost efficiency

KW - Gasoline vapor

KW - Dual channel

KW - Defrost

KW - Cascade cycle

KW - Shell-tube

U2 - 10.1016/j.energy.2018.08.172

DO - 10.1016/j.energy.2018.08.172

M3 - Journal article

VL - 163

SP - 751

EP - 765

JO - Energy

JF - Energy

SN - 0360-5442

ER -