CN103438531B - A kind of ice cold-storage air-conditioning system - Google Patents

A kind of ice cold-storage air-conditioning system Download PDF

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Publication number
CN103438531B
CN103438531B CN201310424394.9A CN201310424394A CN103438531B CN 103438531 B CN103438531 B CN 103438531B CN 201310424394 A CN201310424394 A CN 201310424394A CN 103438531 B CN103438531 B CN 103438531B
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China
Prior art keywords
valve
pump
storage tank
ice
working
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CN201310424394.9A
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Chinese (zh)
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CN103438531A (en
Inventor
梁坤峰
张林泉
高春艳
凡志祥
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河南科技大学
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Publication of CN103438531A publication Critical patent/CN103438531A/en
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Publication of CN103438531B publication Critical patent/CN103438531B/en

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Abstract

A kind of ice cold-storage air-conditioning system, eg pump drives ethylene glycol to flow through Double-working-condition unit successively by main line pipeline, eg pump is returned after Ice Storage Tank and radiation recuperator, valve I is arranged between Double-working-condition unit and Ice Storage Tank, valve V is arranged between radiation recuperator and eg pump, the two ends of valve III connect with Double-working-condition unit two ends respectively, one end of valve IV is by connecting between bypass line with eg pump and valve V, the other end is by connecting between bypass line with Ice Storage Tank and radiation recuperator, one end of valve II is by the main line pipeline communication between bypass line and the bypass line of valve I and valve III, the bypass line that the other end passes through on the main line pipeline that bypass line is connected between Ice Storage Tank and radiation recuperator with valve IV connects.The present invention is by arranging multiple valve, and the folding changing each valve combination achieves the purpose adjusting ice-storage system mode of operation, so that it is applicable to different working condition and crowd.

Description

A kind of ice cold-storage air-conditioning system
Technical field
The present invention relates to industrial refrigeration field, a kind of ice cold-storage air-conditioning system.
Background technology
Due to the raising of people's living standard, air-conditioning is more and more universal, but owing to the energy consumption of air-conditioning is very big, it be concentrated use in cause electricity consumption peak-valley difference in city away from day by day increasing.For the peak load shifting of electrical network, advocating now energy accumulation air conditioner, reasonable a kind of selection is to use ice-storage system, and user can save a lot of running cost.But existing ice-storage system often pattern is single, namely can only realize the ice making when low power consumption, utilize when peak of power consumption ice-out to absorb heat thus lower the temperature, it has not been convenient to use.
Summary of the invention
The problem single for solving existing ice-storage system pattern, the invention provides a kind of ice cold-storage air-conditioning system, and this system achieves, by different valve combination, the mode of operation that ice-storage system is different.
nullThe present invention solves that the technical scheme that above-mentioned technical problem uses is: a kind of ice cold-storage air-conditioning system,Including Double-working-condition unit、Eg pump、Radiation recuperator and Ice Storage Tank,Described eg pump drives ethylene glycol to flow through Double-working-condition unit successively by main line pipeline、Eg pump is returned after Ice Storage Tank and radiation recuperator,Also include by valve I、Valve II、Valve III、The control system that valve IV and valve V are constituted,Described valve I is arranged on the main line pipeline between Double-working-condition unit and Ice Storage Tank,On the main line pipeline that described valve V is arranged between radiation recuperator and eg pump,The two ends of described valve III are respectively by the main line pipeline communication of bypass line with Double-working-condition unit two ends,One end of described valve IV is by the main line pipeline communication between bypass line and eg pump and valve V,The other end is by the main line pipeline communication between bypass line and Ice Storage Tank and radiation recuperator,One end of described valve II is by the main line pipeline communication between bypass line and the bypass line of valve I and valve III,The bypass line that the other end passes through on the main line pipeline that bypass line is connected between Ice Storage Tank and radiation recuperator with valve IV connects.
The vaporizer of described Double-working-condition unit is connected into main line pipeline, and the condenser of Double-working-condition unit is connected in the cooling circuit being made up of cooling water pump and cooling tower.
Beneficial effect a: Main Function of the present invention is to utilize electricity price between peak and valley to reduce operating cost, owing to ice cold-storage module uses Double-working-condition unit, daytime can use air conditioning condition, and be ice making operating mode in the evening, daytime can reduce power consumption during electricity price height on daytime with ice-melt cooling with this.
Another object of the present invention is by arranging multiple valve, and the folding changing each valve combination achieves the purpose adjusting ice-storage system mode of operation, so that it is applicable to different working condition and crowd.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Reference: 1, Ice Storage Tank, 2, radiation recuperator, 3, eg pump, 4, vaporizer, 5, condenser, 6, cooling water pump, 7, cooling tower, 8, valve I, 9, valve II, 10, valve III, 11, valve IV, 12, valve V.
Detailed description of the invention
nullAs shown in the figure,A kind of ice cold-storage air-conditioning system,Including Double-working-condition unit、Eg pump 3、Radiation recuperator 2 and Ice Storage Tank 1,Described eg pump 3 drives ethylene glycol to pass through main line pipeline and flows through Double-working-condition unit successively、Eg pump 3 is returned after Ice Storage Tank 1 and radiation recuperator 2,Also include by valve I 8、Valve II 9、Valve III 10、The control system that valve IV 11 and valve V 12 are constituted,Described valve I 8 is arranged on the main line pipeline between Double-working-condition unit and Ice Storage Tank 1,Described valve V 12 is arranged on the main line pipeline between radiation recuperator 2 and eg pump 3,The two ends of described valve III 10 are respectively by the main line pipeline communication of bypass line with Double-working-condition unit two ends,One end of described valve IV 11 is by the main line pipeline communication between bypass line and eg pump 3 and valve V 12,The other end is by the main line pipeline communication between bypass line and Ice Storage Tank 1 and radiation recuperator 2,One end of described valve II 9 is by the main line pipeline communication between bypass line and the bypass line of valve I 8 and valve III 10,The bypass line that the other end is connected on the main line pipeline between Ice Storage Tank 1 and radiation recuperator 2 by bypass line with valve IV 11 connects.
The vaporizer 4 of described Double-working-condition unit is connected into main line pipeline, and the condenser 5 of Double-working-condition unit is connected in the cooling circuit being made up of cooling water pump 6 and cooling tower 7.
The mode of operation of the present invention has following several:
1) ice-storage mode
When low power consumption, open valve I 8 and valve IV 11, close valve II 9, valve III 10 and valve V 12, now, ethylene glycol discharges heat cooling after flowing through the vaporizer 4 of Double-working-condition unit, enter after valve I 8 in Ice Storage Tank 1 again and absorb heat so that water freezing in Ice Storage Tank 1, absorb the ethylene glycol after heat after valve IV 11, return to eg pump 3, and again participate in circulating;
2) ice-melt cooling mode
When peak of power consumption, open valve I 8, valve III 10 and valve V 12, close valve II 9 and valve IV 11, now, eg pump 3 orders about glycol flow and enters in Ice Storage Tank 1 through valve III 10 and valve I 8, and the ice in Ice Storage Tank 1 dissolves absorption heat makes ethylene glycol temperature reduce, and ethylene glycol carries out heat exchange absorption thermal temperature when through radiation recuperator 2 and uprises with outside air, so that room temperature reduces, then return to eg pump 3 participation circulation through valve V 12;
3) the independent cooling mode of refrigeration machine
Open valve II 9 and valve V 12, close valve III 10, valve I 8 and valve IV 11, now, eg pump 3 orders about glycol flow and discharges heat cooling after the vaporizer 4 of Double-working-condition unit, after valve II 9, enter radiation recuperator 2 again carry out heat exchange absorption thermal temperature with outside air and uprise, so that room temperature reduces, it is then passed through valve V 12 and returns to eg pump 3 participation circulation;
4) refrigeration machine ice-melt air conditioning pattern
Open valve I 8, valve II 9 and valve V 12, close valve III 10 and valve IV 11, now, eg pump 3 orders about glycol flow and discharges heat cooling after the vaporizer 4 of Double-working-condition unit, right latter part of ethylene glycol enters radiation recuperator 2 and outside air after valve II 9 to carry out heat exchange and absorbs thermal temperature and uprise, so that room temperature reduces, it is then passed through valve V 12 and returns to eg pump 3 participation circulation, the ethylene glycol of another part is in valve I 8 enters Ice Storage Tank 1, ice in Ice Storage Tank 1 dissolves absorption heat makes ethylene glycol temperature reduce further, then ethylene glycol carries out heat exchange through radiation recuperator 2 and outside air again and absorbs thermal temperature and uprise, so that room temperature reduces, return to eg pump 3 through valve V 12 again and participate in circulation.

Claims (1)

  1. null1. an ice cold-storage air-conditioning system,Including Double-working-condition unit、Eg pump (3)、Radiation recuperator (2) and Ice Storage Tank (1),Described eg pump (3) drives ethylene glycol to flow through Double-working-condition unit successively by main line pipeline、Ice Storage Tank (1) and radiation recuperator (2) return eg pump (3) afterwards,It is characterized in that: also include by valve I (8)、Valve II (9)、Valve III (10)、The control system that valve IV (11) and valve V (12) are constituted,Described valve I (8) is arranged on the main line pipeline between Double-working-condition unit and Ice Storage Tank (1),Described valve V (12) is arranged on the main line pipeline between radiation recuperator (2) and eg pump (3),The two ends of described valve III (10) are respectively by the main line pipeline communication of bypass line with Double-working-condition unit two ends,One end of described valve IV (11) is by the main line pipeline communication between bypass line and eg pump (3) and valve V (12),The other end is by the main line pipeline communication between bypass line and Ice Storage Tank (1) and radiation recuperator (2),One end of described valve II (9) is by the main line pipeline communication between bypass line and the bypass line of valve I (8) and valve III (10),The bypass line that the other end is connected on the main line pipeline between Ice Storage Tank (1) and radiation recuperator (2) with valve IV (11) by bypass line connects;The vaporizer (4) of described Double-working-condition unit is connected into main line pipeline, and the condenser (5) of Double-working-condition unit is connected in the cooling circuit being made up of cooling water pump (6) and cooling tower (7);
    The mode of operation of native system has following several:
    1) ice-storage mode
    When low power consumption, open valve I (8) and valve IV (11), close valve II (9), valve III (10) and valve V (12), now, ethylene glycol flow through the vaporizer of Double-working-condition unit (4) discharge afterwards heat cooling, enter after valve I (8) again and absorb heat in Ice Storage Tank (1) so that water freezing in Ice Storage Tank (1), absorb the ethylene glycol after heat after valve IV (11), return to eg pump (3), and again participate in circulation;
    2) ice-melt cooling mode
    When peak of power consumption, open valve I (8), valve III (10) and valve V (12), close valve II (9) and valve IV (11), now, eg pump (3) orders about glycol flow and enters in Ice Storage Tank (1) through valve III (10) and valve I (8), ice in Ice Storage Tank (1) dissolves absorption heat makes ethylene glycol temperature reduce, ethylene glycol absorbs thermal temperature and uprises carrying out heat exchange when radiation recuperator (2) with outside air, so that room temperature reduces, then return to eg pump (3) participation circulation through valve V (12);
    3) the independent cooling mode of refrigeration machine
    Open valve II (9) and valve V (12), close valve III (10), valve I (8) and valve IV (11), now, eg pump (3) orders about glycol flow and discharges heat cooling after the vaporizer (4) of Double-working-condition unit, after valve II (9), enter radiation recuperator (2) and outside air again carry out heat exchange and absorb thermal temperature and uprise, so that room temperature reduces, it is then passed through valve V (12) and returns to eg pump (3) participation circulation;
    4) refrigeration machine ice-melt air conditioning pattern
    nullOpen valve I (8)、Valve II (9) and valve V (12),Close valve III (10) and valve IV (11),Now,Eg pump (3) orders about glycol flow and discharges heat cooling after the vaporizer (4) of Double-working-condition unit,Right latter part of ethylene glycol enters radiation recuperator (2) and outside air after valve II (9) to carry out heat exchange and absorbs thermal temperature and uprise,So that room temperature reduces,It is then passed through valve V (12) and returns to eg pump (3) participation circulation,The ethylene glycol of another part is in valve I (8) enters Ice Storage Tank (1),Ice in Ice Storage Tank (1) dissolves absorption heat makes ethylene glycol temperature reduce further,Then ethylene glycol carries out heat exchange through radiation recuperator (2) and outside air again and absorbs thermal temperature and uprise,So that room temperature reduces,Return to eg pump (3) through valve V (12) again and participate in circulation.
CN201310424394.9A 2013-09-18 2013-09-18 A kind of ice cold-storage air-conditioning system CN103438531B (en)

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CN103438531B true CN103438531B (en) 2017-01-04

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100187774B1 (en) * 1996-06-19 1999-06-01 이응한 A regenerative cooling system
CN2551910Y (en) * 2002-05-17 2003-05-21 清华大学 Integrated ice storage cooling heat-exchanger
CN101334203A (en) * 2008-08-04 2008-12-31 龙涛 Method for enhancing cold-storage density of cold storage air conditioner system and cold storage air conditioner system
CN202613634U (en) * 2012-05-30 2012-12-19 浙江嘉能科技有限公司 Energy-saving ice storage air conditioning system
CN203550083U (en) * 2013-09-18 2014-04-16 河南科技大学 Ice-storage radiation air-conditioning system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3304010B2 (en) * 1993-12-28 2002-07-22 株式会社荏原製作所 Ice storage refrigerator and operation method
CN102313331B (en) * 2011-10-18 2013-08-28 江苏七彩科技有限公司 Ice storage refrigeration system and refrigeration method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100187774B1 (en) * 1996-06-19 1999-06-01 이응한 A regenerative cooling system
CN2551910Y (en) * 2002-05-17 2003-05-21 清华大学 Integrated ice storage cooling heat-exchanger
CN101334203A (en) * 2008-08-04 2008-12-31 龙涛 Method for enhancing cold-storage density of cold storage air conditioner system and cold storage air conditioner system
CN202613634U (en) * 2012-05-30 2012-12-19 浙江嘉能科技有限公司 Energy-saving ice storage air conditioning system
CN203550083U (en) * 2013-09-18 2014-04-16 河南科技大学 Ice-storage radiation air-conditioning system

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Granted publication date: 20170104

Termination date: 20170918