CN105546697A - 一种超低能耗蓄供两用冷热并用的空调*** - Google Patents

一种超低能耗蓄供两用冷热并用的空调*** Download PDF

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CN105546697A
CN105546697A CN201610080497.1A CN201610080497A CN105546697A CN 105546697 A CN105546697 A CN 105546697A CN 201610080497 A CN201610080497 A CN 201610080497A CN 105546697 A CN105546697 A CN 105546697A
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circulating pump
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CN105546697B (zh
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何青
李淳
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TIANJIN TENIO DESIGN AND ENGINEERING CO LTD
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0014Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using absorption or desorption
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0017Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B15/00Sorption machines, plants or systems, operating continuously, e.g. absorption type
    • F25B15/02Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
    • F25B15/06Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B27/00Machines, plants or systems, using particular sources of energy
    • F25B27/002Machines, plants or systems, using particular sources of energy using solar energy
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62Absorption based systems
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

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Abstract

本发明是一种超低能耗蓄供两用冷热并用的空调***,由低温土壤换热器;高温土壤换热器;冷却塔;蓄冷循环泵;放冷循环泵;太阳能槽式集热器;高温油循环泵;油水换热器;蓄热循环泵;溴化锂吸收式制冷机组;冷水循环泵;双冷源新风处理机组;地板辐射供冷供热***;放热循环泵和混水装置组成蓄冷循环段、供冷循环段、蓄热循环段和供热循环段共四个循环段。本发明采用空气能及太阳能等可再生能源,减少化石能源的使用;将空调冷、热量均储存在土壤中,减少夏季的热岛效应;全年空调运行能耗可低于10kwh/m2·a,达到空调超低能耗的效果,节约了80%的电能,节约运行费用。

Description

一种超低能耗蓄供两用冷热并用的空调***
技术领域
本发明涉及建筑暖通空调***领域,尤其涉及一种超低能耗蓄供两用冷热并用的空调***。
背景技术
随着国家对绿色建筑及节能建筑的推广及普及,以及对建筑的能耗指标进行限制的背景下,现有的新建及既有建筑对于低能耗的运营需求越来越急迫,在建筑节能方面主要有被动式与主动式两种节能技术方式,而空调能耗在总建筑能耗中所占的比例将近50%,据统计,在典型办公建筑中,总能耗为80-120kwh/m2·a,其中空调能耗占总能耗的50-70%,其节能潜力非常巨大,利用主动式技术来降低空调能耗的潜力巨大。
传统空调***,在高温低湿的初夏或夏末需开启制冷设备来消除室内余热(显热),而此部分余热完全由天然冷源(反季节蓄冷技术)来代替制冷主机工作;同理,冬季可以用高温蓄热技术及太阳能的直供技术来实现,以减小供热设备的开启时间,是一种充分利用自然能来代替机械能,减小电或燃气等化石能源驱动的可再生能源利用技术,来达到空调***超低能耗,大幅降低空调运行费用的一种先进的空题***,对可持续发展,起到了相当重要的作用。
发明内容
本发明提供一种超低能耗蓄供两用冷热并用的空调***,由低温土壤换热器;高温土壤换热器;冷却塔;蓄冷循环泵;放冷循环泵;太阳能槽式集热器;高温油循环泵;油水换热器;蓄热循环泵;溴化锂吸收式制冷机组;冷水循环泵;双冷源新风处理机组;地板辐射供冷供热***;放热循环泵和混水装置组成蓄冷循环段、供冷循环段、蓄热循环段和供热循环段共四个循环段;
供冷循环段分为无光供冷循环段和有光供冷循环段;供热循环段分为日间供热循环段和夜间供热循环段;
蓄冷循环段是由冷却塔连接蓄冷循环泵,蓄冷循环泵连接低温土壤换热器,低温土壤换热器置于地下;
无光供冷循环段是由低温土壤换热器连接放冷循环泵,放冷循环泵循环连接地板辐射供冷供热***,放冷循环泵循环连接双冷源新风处理机;
有光供冷循环段是由太阳能槽式集热器连接溴化锂吸收式制冷机组,溴化锂吸收式制冷机组连接冷水循环泵,冷水循环泵连接双冷源新风处理机组;
蓄热循环段是由太阳能槽式集热器连接油水换热器,油水换热器连接蓄热循环泵,蓄热循环泵连接高温土壤换热器,高温土壤换热器置于地下;
日间供热循环段是由太阳能槽式集热器连接高温油循环泵,高温油循环泵连接油水换热器,油水换热器连接蓄热循环泵,蓄热循环泵连接混水装置,混水装置连接地板辐射供冷供热***和双冷源新风处理机;
夜间供热循环段是由高温土壤换热器连接放热循环泵,放热循环泵连接地板辐射供冷供热***;
所述的双冷源新风处理机组包括预冷表冷器和直膨式热泵装置。
本发明的有益效果是:本发明所述的一种超低能耗蓄供两用冷热并用的空调***,采用空气能及太阳能等可再生能源,减少化石能源的使用;将空调冷、热量均储存在土壤中,减少夏季的热岛效应;全年空调运行能耗可低于10kwh/m2·a,达到空调超低能耗的效果,节约了80%的电能,节约运行费用。
附图说明
图1为本发明所述的一种超低能耗蓄供两用冷热并用的空调***的结构示意图;
其中:1-低温土壤换热器;2-高温土壤换热器;3-冷却塔;4-蓄冷循环泵;5-放冷循环泵;6-太阳能槽式集热器;7-高温油循环泵;8-油水换热器;9-蓄热循环泵;10-溴化锂吸收式制冷机组;11-冷水循环泵;12-双冷源新风处理机组;13-地板辐射供冷供热***;14-放热循环泵;15-混水装置;16-房间。
具体实施方式
以下将结合本发明的实施例参照附图进行详细叙述。
一种超低能耗蓄供两用冷热并用的空调***,由低温土壤换热器1;高温土壤换热器2;冷却塔3;蓄冷循环泵4;放冷循环泵5;太阳能槽式集热器6;高温油循环泵7;油水换热器8;蓄热循环泵9;溴化锂吸收式制冷机组10;冷水循环泵11;双冷源新风处理机组12;地板辐射供冷供热***13;放热循环泵14和混水装置15组成蓄冷循环段、供冷循环段、蓄热循环段和供热循环段共四个循环段;
供冷循环段分为无光供冷循环段和有光供冷循环段;供热循环段分为日间供热循环段和夜间供热循环段;
蓄冷循环段是由冷却塔3连接蓄冷循环泵4,蓄冷循环泵4连接低温土壤换热器1,低温土壤换热器1置于地下;
无光供冷循环段是由低温土壤换热器1连接放冷循环泵5,放冷循环泵5循环连接地板辐射供冷供热***13,放冷循环泵5循环连接双冷源新风处理机12;
有光供冷循环段是由太阳能槽式集热器6连接溴化锂吸收式制冷机组10,溴化锂吸收式制冷机组10连接冷水循环泵11,冷水循环泵11连接双冷源新风处理机组12;
蓄热循环段是由太阳能槽式集热器6连接油水换热器8,油水换热器8连接蓄热循环泵9,蓄热循环泵9连接高温土壤换热器2,高温土壤换热器2置于地下;
日间供热循环段是由太阳能槽式集热器6连接高温油循环泵7,高温油循环泵7连接油水换热器8,油水换热器8连接蓄热循环泵9,蓄热循环泵9连接混水装置15,混水装置15连接地板辐射供冷供热***13和双冷源新风处理机12;
夜间供热循环段是由高温土壤换热器2连接放热循环泵14,放热循环泵14连接地板辐射供冷供热***13;
所述的双冷源新风处理机组12包括预冷表冷器和直膨式热泵装置。
实施例
1、蓄冷:
开启时间为:深秋直至整个冬季约在11月底至转年2月初;
利用冷却塔3吸收室外低温空气当中的能量,将空气与水进行热量交换,使水温降低到将近7℃的冷水,并通过蓄冷循环泵4,将水输送至低温土壤换热器1中去,使冷水通过低温土壤换热器1与大地进行换热,并将水中的能量传递和储存在地下,并在来年的夏季使用。
2、供冷:
开启时间为:整个夏季无阳光和有阳光供冷量不足时,包括夏初及夏末,5月底至9月初;
无光供冷:
利用蓄冷工况土壤储存的能量与低温土壤换热器1进行热量交换,提取土壤中的能量,并通过放冷循环泵5的输送,将冷水输送至地板辐射供冷供热***13,在初夏以及夏末高温低湿的时段,来消除室内的显热负荷;在夏中高温高湿时段三伏天,在地板辐射供冷的基础上,将冷水输送至双冷源新风处理机组12,经过双冷源新风处理机组12的预冷表冷器,预冷室外新风,再经过双冷源新风处理机组12内的直膨式热泵装置,进行深度空气除湿,并将处理过的低温新风送入房间16室内,并承担室内和室外的湿负荷;
有光供冷:
当有阳光时,太阳能驱动溴化锂吸收式制冷机组10高温油驱动自行启动并制出18℃冷水时,会将低温土壤换热器1交换出来的冷冻水停止输送双冷源新风处理机组12,冷冻水由溴化锂吸收式制冷机组10高温油驱动制备,其驱动力来自于太阳能槽式集热器6加热的导热油,制备出来的冷冻水通过冷水循环泵11输送至双冷源新风处理机组12的预冷表冷器,预冷室外新风。
3、蓄热:
开启时间为:全年全季节日间太阳充裕的时刻;利用太阳能槽式集热器6吸收室外太阳光中的能量,并利用油水换热器8,将导热油的热量与水进行热量交换,使水温升高到将近90℃,并通过蓄热循环泵9的输送,将水输送至高温土壤换热器2中去,使高温水通过高温土壤换热器2与大地进行换热,并将水中的能量储存在地下,并在冬季使用。
4、供热:
开启时间为:整个冬季无阳光或阳光供热量不足时,包括冬初及冬末,11月初至来年3月底;
日间供热:
在日间室外阳光充足的情况下,利用太阳能槽式集热器6吸收室外太阳光中的能量,并利用油水换热器8,将导热油的热量与水进行热量交换,使水温升高到将近90℃,并通过蓄热循环泵9的输送后分两路,一路可根据蓄热工况供高温土壤换热器2储热,另一路将水输送至混水装置15通过与回水的混合,保持出水温度恒定在35~37℃,热水至地板辐射供冷供热***13和双冷源新风机组12,热水还可以作为热源。
夜间供热:
在夜间以及室外阴天阳光不充足的情况下,利用蓄热工况土壤储存的能量与高温土壤换热器2进行热量交换,提取土壤中的能量,并通过放热循环泵14的输送,将热水输送至地板辐射供冷供热***13;
原理解析:
冬季开启室外冷却塔3,利用室外空气温度低的条件,利用水为媒介,将冷却塔与室外低温空气进行充分的能量交换,并将能量储存在土壤中,最低存储温度为7℃,而在夏季将低温水输送到地板辐射供冷供热***13和双冷源新风处理机12,地板辐射供冷供热***13去除室内显热负荷,而进入双冷源新风处理机12作为在高温高湿(三伏天)的预冷冷源,而新风和室内的湿负荷由双冷源新风机组12自带的直膨式压缩机组经预冷表冷器处理后,输出的低温风送至室内进行除湿(潜热),达到室内的温湿度独立控制。
春、夏、秋三季利用室外太阳能槽式集热器6,利用日间太阳辐射较好的条件,利用水为媒介,将太阳能辐射的热量收集,并将能量储存在土壤中,最高存储温度为90℃,而在冬季将能量释放到地板辐射供冷供热***13和双冷源新风处理机12,并承担室内全部热负荷。
以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。

Claims (1)

1.一种超低能耗蓄供两用冷热并用的空调***,其特征在于,由低温土壤换热器(1);高温土壤换热器(2);冷却塔(3);蓄冷循环泵(4);放冷循环泵(5);太阳能槽式集热器(6);高温油循环泵(7);油水换热器(8);蓄热循环泵(9);溴化锂吸收式制冷机组(10);冷水循环泵(11);双冷源新风处理机组(12);地板辐射供冷供热***(13);放热循环泵(14)和混水装置(15)组成蓄冷循环段、供冷循环段、蓄热循环段和供热循环段共四个循环段;
供冷循环段分为无光供冷循环段和有光供冷循环段;供热循环段分为日间供热循环段和夜间供热循环段;
蓄冷循环段是由冷却塔(3)连接蓄冷循环泵(4),蓄冷循环泵(4)连接低温土壤换热器(1),低温土壤换热器(1)置于地下;
无光供冷循环段是由低温土壤换热器(1)连接放冷循环泵(5),放冷循环泵(5)循环连接地板辐射供冷供热***(13),放冷循环泵(5)循环连接双冷源新风处理机(12);
有光供冷循环段是由太阳能槽式集热器(6)连接溴化锂吸收式制冷机组(10),溴化锂吸收式制冷机组(10)连接冷水循环泵(11),冷水循环泵(11)连接双冷源新风处理机组(12);
蓄热循环段是由太阳能槽式集热器(6)连接油水换热器(8),油水换热器(8)连接蓄热循环泵(9),蓄热循环泵(9)连接高温土壤换热器(2),高温土壤换热器(2)置于地下;
日间供热循环段是由太阳能槽式集热器(6)连接高温油循环泵(7),高温油循环泵(7)连接油水换热器(8),油水换热器(8)连接蓄热循环泵(9),蓄热循环泵(9)连接混水装置(15),混水装置(15)连接地板辐射供冷供热***(13)和双冷源新风处理机(12);
夜间供热循环段是由高温土壤换热器(2)连接放热循环泵(14),放热循环泵(14)连接地板辐射供冷供热***(13);
所述的双冷源新风处理机组(12)包括预冷表冷器和直膨式热泵装置。
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