CN2250504Y - 厨用吸附式冰箱发生器 - Google Patents

厨用吸附式冰箱发生器 Download PDF

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CN2250504Y
CN2250504Y CN 95238245 CN95238245U CN2250504Y CN 2250504 Y CN2250504 Y CN 2250504Y CN 95238245 CN95238245 CN 95238245 CN 95238245 U CN95238245 U CN 95238245U CN 2250504 Y CN2250504 Y CN 2250504Y
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generator
urceolus
kitchen
refrigeration
communicated
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韩永深
冰燕高
李定宇
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SHENZHEN GUANGYU INDUSTRY (GROUP) CORP
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SHENZHEN GUANGYU INDUSTRY (GROUP) CORP
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Abstract

本实用新型公开了一种以水蒸汽为热源的厨用吸附式冰箱发生器。它的主要结构是,带疏水阀(1)和蒸汽排管(6)的外壳(2)中有两个以上的发生器单元(3),依轴向通过其外筒(9)中部的蒸汽管道(10)一端同外壳(2)内腔相通而另一端同蒸汽进管(8)连通,管道(10)上有传热翅片(4),外筒(9)和管道(10)之间填有吸附剂(5)并充有制冷剂,外筒(9)一端有出口同制冷工质导管(7)连通。所述吸附剂(5)和制冷剂分别为氯化钙和氨。具有制冷效率高的特点。

Description

厨用吸附式冰箱发生器
本实用新型涉及用蒸汽做热源的厨用吸附式冰箱,进一步是指它的发生器。
采用氟利昂做制冷剂的电冰箱因对大气臭氧层产生不利影响而行将淘汰。研制采用无公害制冷剂的吸附式冰箱具有十分重要的意义。而做为吸附式制冷装置的核心组件之一的发生器,其工作质量的好坏至关重要。不同类型的吸附式冰箱,其对发生器结构、性能要求,亦有所不同。
本实用新型的目的是,设计一种厨用吸附式冰箱发生器,具有工作性能可靠,效率高的特点,为厨用吸附式冰箱提供有效组件。
本实用新型的技术方案是,它有带疏水阀和蒸汽排管的外壳,所述外壳中装有两个或两个以上发生器单元,其结构特点是,各发生器单元有外筒,依轴向通过该外筒中部的蒸汽管道一端同外壳内腔相通而另一端同蒸汽进管连通,蒸汽管道上设有传热翅片,外筒和蒸汽管道之间填充有吸附剂并充有制冷剂,外筒一端有出口同制冷工质导管连通。
以下结合附图做出进一步说明。
附图说明:图1是本实用新型的剖视结构图(其中只剖开了一个发生器单元),图2是图1所示装置的左视结构(去掉了蒸汽进管(8)之物件且发生器单元为9个时的实施例情形)。在附图中,箭头A和B分别表示水蒸汽和气态制冷工质流向,其中:
1—疏水阀          6—蒸汽排管,
2—外壳,          7—制冷工质导管,
3—发生器单元,    8—蒸汽进管,
4—传热翅片,      9—外筒,
5—吸附剂,        10—蒸汽管道。
由图1可知,本实用新型有带疏水阀(1)和蒸汽排管(6)的外壳(2),该外壳(2)中装有两个或两个以上(例如2至12个,等)发生器单元(3),其设计特点是,各发生器单元(3)有外筒(9),依轴向通过该外筒(9)中部的蒸汽管道(10)一端同外壳(2)内腔相通而另一端同蒸汽进管(8)连通,蒸汽管道(10)上设有传热翅片(4),所述传热翅片(4)可设计为沿管(8)径向呈环形布置而依轴向呈平行排列,外筒(9)和蒸汽管道(10)之间填充有吸附剂(5)并充有制冷剂(即制冷工质),外筒(9)一端有出口同制冷工质导管(7)连通。这种结构即是将各发生器单元(3)的蒸汽回路及制冷工质出口分别并联。
本实用新型的工作原理是(参见图1),在加热阶段,水蒸汽A由管(8)分流经过各发生器单元(3)的蒸汽管道(10)对发生器单元进行加热,由该管道(10)流出的水蒸汽进入外壳(2)内腔中通过外筒(9)筒壁对发生器单元(3)加热,部分蒸汽换热后变为水经疏水阀(1)排空,其余蒸汽由蒸汽排管(6)导出。发生器单元(3)中的吸附剂(5)受热达到脱附温度时就释放出汽态制冷工质由所述导管(7)导出。在制冷阶段,当停止加热(即停止供给蒸汽)时,发生器会自然冷却,当温度降至解吸点以下时,吸附剂(5)恢复吸附功能,使蒸发器中的液态工质汽化返回发生器,蒸发器则因工质不断汽化而降温,实现制冷。本实用新型之发生器与另外的冷凝器、蒸发器构成闭合系统。本实用新型的外壳(2)将各发生器单元(3)包容在其中形成加热室,加热均匀,结构紧凑,吸附剂(5)在外筒(9)和蒸汽管道(10)之间,受热均匀,热贯性小。
由以上可知,本实用新型为一种以水蒸汽为加热源的厨用吸附式冰箱发生器,能有效地对制冷工质进行吸附和解吸,具有性能可靠和工作效率高的特点,为厨用吸附式冰箱提供了一种实用的发生器装置。
实施例:按照附图1和2和上述结构的本实用新型发生器,发生器单元(3)成方阵排列,外壳(2)和外筒(9)均做成圆筒形,吸附剂为氯化钙,制冷剂(制冷工质)为氨。采用此发生器做成的冷藏容积为1立方米的厨用冰箱,采用压力为0.5至1kg/cm2的饱和蒸汽热源,吸附剂装载量为25公斤(单位吸附剂制冷量为每公斤250大卡),每次加热45分钟,10小时制冷周期内制冷量为500千卡/小时,温度为8至-5℃(一星级)。

Claims (2)

1、一种厨用吸附式冰箱发生器,有带疏水阀(1)和蒸汽排管(6)的外壳(2),该外壳(2)中装有两个或两个以上发生器单元(3),其特征是,各发生器单元(3)有外筒(9),依轴向通过该外筒(9)中部的蒸汽管道(10)一端同外壳(2)内腔相通而另一端同蒸汽进管(8)连通,蒸汽管道(10)上有传热翅片(4),外筒(9)和蒸汽管道(10)之间填充有吸附剂(5)并充有制冷剂,外筒(9)一端有出口同制冷工质导管(7)连通。
2、根据权利要求1所述的厨用吸附式冰箱发生器,其特征是,所述吸附剂为氯化钙,所述制冷剂为氨。
CN 95238245 1995-12-15 1995-12-15 厨用吸附式冰箱发生器 Expired - Fee Related CN2250504Y (zh)

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CN 95238245 CN2250504Y (zh) 1995-12-15 1995-12-15 厨用吸附式冰箱发生器

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Application Number Priority Date Filing Date Title
CN 95238245 CN2250504Y (zh) 1995-12-15 1995-12-15 厨用吸附式冰箱发生器

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CN2250504Y true CN2250504Y (zh) 1997-03-26

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