CN100575822C - 复合式太阳能制冷装置 - Google Patents
复合式太阳能制冷装置 Download PDFInfo
- Publication number
- CN100575822C CN100575822C CN03129268A CN03129268A CN100575822C CN 100575822 C CN100575822 C CN 100575822C CN 03129268 A CN03129268 A CN 03129268A CN 03129268 A CN03129268 A CN 03129268A CN 100575822 C CN100575822 C CN 100575822C
- Authority
- CN
- China
- Prior art keywords
- shell
- generator
- tube
- control valve
- outlet
- Prior art date
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- 239000002131 composite materials Substances 0.000 title claims abstract description 8
- 238000005057 refrigeration Methods 0.000 claims abstract description 30
- 239000006096 absorbing agents Substances 0.000 claims abstract description 26
- 239000011901 water Substances 0.000 claims abstract description 23
- 238000010521 absorption reactions Methods 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims abstract description 6
- 239000011257 shell materials Substances 0.000 claims description 33
- 239000000498 cooling water Substances 0.000 claims description 4
- 229910013550 LiNo3 Inorganic materials 0.000 claims 1
- 238000004378 air conditioning Methods 0.000 description 9
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Abstract
Description
复合式太阳能制冷装置
技术领域:
本发明涉及的是一种复合式太阳能制冷装置,特别是一种不受天气变化限制 利用太阳能和电能联合驱动的复合式太阳能制冷装置,属于建筑环境与设备工程 及制冷工程技术领域。
背景技术-
制冷和空调装置大都采用对环境有害(有温室效应和破坏臭氧层)的人工合 成物质作为工质,采用电力等高品位能源进行驱动。随着制冷与空调装置的日益 普及,由于制冷和空调引发的节能和环保问题越来越成为人们关注的焦点。因此, 目前在制冷和空调领域,尽可能采用对环境友好的工质(如氨、水或二氧化碳等 自然工质)和非常规能源(如太阳能、风能、地热能等),对于节能和环保具有 重要的意义。 一般的太阳能制冷与空调装置,大都单纯采用吸收式或吸附式制冷 方式,具有结构复杂,制造成本高,运行效率低、需要辅助加热装置的缺点,极 大地阻碍了太阳能在制冷与空调行业的推广与应用。
在已有技术中,专利号为93119264.1,名称为《热水型两级吸收式制冷机》 的专利,该发明以太阳能为热源"包括一个内置冷凝器、高压发生器以及低压发 生器和高压吸收器的高压筒, 一个内置低压发生器和蒸发器的低压筒,并有高、 低压热交换器,通过相应管线和屏蔽式循环泵连接成两级吸收式循环制冷系统", 结构非常复杂。专利号为00109336.3,名称为《一种太阳能吸收式空调系统》 的专利,该发明"包括太阳能集热器、单效吸收式制冷机、储热水箱、冷却塔、 空调箱和辅助锅炉",尽管吸收式制冷系统采用的是单效方式,但需要一套复杂 的辅助热源和储热装置。上述不足极大地阻碍了太阳能在制冷与空调行业的推广 与应用。
发明内容:
为了克服已有技术的不足和缺陷,满足可持续发展对制冷空调行业在节能和联合驱动、采用NH3—LiN03 溶液作为工质对的复合式太阳能制冷装置。本发明主要由、冷凝器、节流阔、蒸发器、吸收器、溶液热交换器、压縮机、 太阳能集热器、水泵、阀、溶液泵等组成。太阳能集热器与发生器、水泵相连,构成了太阳能集热系统的循环;溶液热 交换器与发生器、吸收器相连,构成了浓溶液的循环;压縮机与发生器、冷凝器、 节流阀、蒸发器、吸收器相连,构成了压縮制冷的循环系统。太阳能集热系统的 循环和浓溶液的循环的联合系统是和压縮机系统的作用一样的,两个系统是并联 的。在天气晴好的时候,由太阳能集热系统的循环和浓溶液的循环的联合系统工 作,整个系统工作在单效吸收式制冷方式下,为空调空间提供冷量。在阴雨天或 夜晚,由压縮机系统工作,整个系统转为压縮式制冷方式制取冷量。与巳有技术相比,本系统不需要辅助加热装置和储热装置,既可采用太阳能 作吸收式制冷,又可采用电力驱动压縮机进行压縮制冷,可以全年度全天侯运转, 而且具有成本低、结构简单、运行平稳可靠、工作效率高、温度范围广等突出优 点,避免了由于太阳能集热器供热波动而引起的制冷波动,对于太阳能制冷与空 调技术的推广和普及具有重要的意义。附图说明:图1是复合式太阳能制冷装置示意图图中l是发生器、2是冷凝器、3是冷却水、4是节流阀、5是冷冻水、6是 蒸发器、7是吸收器、8是溶液热交换器、9是压縮机、IO是太阳能集热器、11 是水泵、12~15是调节阀、16是溶液泵。具体实施方式:下面结合附图对本发明的具体实施作进一步的描述:如图1所示,本发明主要包括发生器l、冷凝器2、节流阀4、蒸发器6、吸 收器7、溶液热交换器8、压縮机9、太阳能集热器IO、水泵ll、调节阀12〜15、 溶液 太阳能集热器10与发生器1左边的管程、水泵11构成了太阳能集热系统的循环;溶液热交换器8与发生器1壳程、吸收器7壳程以及溶液泵16 构成了浓溶液的循环;压縮机9与发生器1右边的管程、冷凝器2的壳程、节流 阀4、蒸发器6的壳程、吸收器7右边的管程构成了压縮制冷的循环系统。太阳 能集热系统的循环和浓溶液的循环的联合系统是和压縮机系统的作用一样的,两 个系统是并联的。太阳能集热器10上端与发生器1左边的管程进口连接,发生器1左边的管 程出口与水泵11进口相连,水泵11的出口又和太阳能集热器10的下端连接, 溶液热交换器8左边的管程出口与发生器1壳程入口相连,发生器1壳程出口与 溶液热交换器8右边的管程入口相连,溶液热交换器8右边的管程出口与吸收器 7的壳程入口相连,吸收器7的壳程出口通过溶液泵16与溶液热交换器8左边 的管程入口相连。压缩机9的出口与发生器1右边的管程入口相连,发生器1右边的管程出口 通过调节阀12和冷凝器2的壳程入口连接,冷凝器2的管程内通冷却水3,冷 凝器2的壳程出口与节流阀4的入口相连,节流阀4的出口与蒸发器6的壳程入 口连接,蒸发器6的管程内通冷冻水5,蒸发器6的壳程出口通过调节阀14与 吸收器7右边的管程入口相连,吸收器7右边的管程出口与压縮机9的入口管道 相连。发生器1的壳程出口通过调节阀13和冷凝器2的壳程入口连接,蒸发器6 的壳程出口通过调节阀15与吸收器7的壳程入口相连。在天气晴好的时候,调节阀12、 14关闭;调节阀13、 15开启。由太阳能集 热器10提供热水,对发生器1壳程内的NH3—LiN(V浓溶液(富含NH3)进行加热, 氨蒸汽从发生器1通过调节阀13流向冷凝器2,在冷凝器2中氨蒸汽向冷却水3 放出热量后变成液态氨,在流经节流阀4降压后,进入蒸发器6向冷冻水5吸收 热量,液态氨蒸发成蒸气,最后通过调节阀15流入吸收器7被吸收,整个系统 工作在吸收式制冷方式下,为空调空间提供冷量。在阴雨天或夜晚,太阳能集热器10无法提供温度适宜的热水去驱动制冷系 统。此时,调节阀13、 15关闭;调节阀12、 14开启。开启压缩机9。从蒸发 器6来的氨蒸气经过吸收器7右边的管程被吸入压縮机9,经压縮机9压縮后变 为高温高压的蒸气,然后经过发生器1右边的管程通过调节阔12流入冷凝器2,在冷凝器2中氨蒸汽被冷却成液态,再经过节流阀4降压,最后被送入蒸发器6 中,向冷冻水5吸收热量而蒸发,系统转为压縮式制冷方式制取冷量。
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CN103629852A (zh) * | 2012-08-21 | 2014-03-12 | 乌鲁木齐蓝天绿城新能源科技有限公司 | 一种使用多能种能源的吸收式热泵 |
CN203349573U (zh) * | 2013-03-12 | 2013-12-18 | 庞怡 | 一种联合热泵及太阳能热水暖通系统 |
CN103712371B (zh) * | 2013-12-24 | 2015-10-28 | 上海理工大学 | 制冷制热系统 |
CN104819597B (zh) * | 2015-04-24 | 2017-05-31 | 华南理工大学 | 一种太阳能吸收式过冷压缩复合制冷系统与方法 |
CN105258383B (zh) * | 2015-11-18 | 2018-07-03 | 国网天津市电力公司 | 一种充分利用光热的可靠冷热源系统 |
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CN102072675A (zh) * | 2010-12-30 | 2011-05-25 | 江苏海鸥冷却塔股份有限公司 | 太阳能超低温冷却塔 |
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