CN2290804Y - 防返热流管 - Google Patents

防返热流管 Download PDF

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Publication number
CN2290804Y
CN2290804Y CN 96241684 CN96241684U CN2290804Y CN 2290804 Y CN2290804 Y CN 2290804Y CN 96241684 CN96241684 CN 96241684 CN 96241684 U CN96241684 U CN 96241684U CN 2290804 Y CN2290804 Y CN 2290804Y
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water
flow tube
heat flow
cold
heat
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Expired - Fee Related
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CN 96241684
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English (en)
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吴鸿平
王颖儒
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Abstract

一种使用大包装食用水周转瓶(1)的冷热饮水机加热装置,其特征是在接水罐(2)内或冷水罐(3)上层的水首先进入良导热体的防返热流管(5),然后再进入热罐(8),有效地防止热水返到接水罐或冷水罐内,使冷热水不混淆,提高整机电能利用率,并体积小,便于安装,特别适用于精巧小型机中。

Description

防返热流管
本实用新型属于一种使用大包装食用水周转瓶的冷热饮水机加热过程中防热水倒流装置。
目前,商品化的冷热饮水机的加热罐是由周转瓶接水或冷水罐上段水层直接补水,由于在密闭的加热罐中加热膨胀的热水不可避免地顺其补水路倒流,当倒流到冷水罐中会使其中冷水升温,但倒流到接水罐(接水罐同时为冷热水罐补水)中,将温度离的水补充到冷罐中也会使冷水升温,造成电能浪费,整机效率降低,为此,虽出现防返热流罐(实用新型专利申请号为:96241141.8)装置,有效地得到改进,但由于受其占据空间大的局限而无法在冷热饮水机中普遍应用
本实用新型的目的在于改进上述不足,引进防返热流管,提高电能利用率,便于安装。
本实用新型特征是在热水罐补水装置中间有一由良导热体制作的防返热流管,接水罐内或冷水罐上层的水通过回形管先从防返热管底面进入,防返热流管底面与补水管处有一段落差,然后由防返热流管中间处的补水管进入热罐内,防返热流管上端面封闭,上端面侧壁有排汽管及通大气管。
图1为本实用新型从接水罐经防返热流管补水示意图。
图2为本实用新型从冷罐经防返热流管补水示意图。
现结合附图具体说明:
如图1.2,大包装食用水周转瓶(1)的水进入接水罐(2),中,接水罐或其上层的水通过回形管(4)首先从防返热流管(5)底面(6)进入其内,然后再由防返热流管中间处的补水管(7)进入热罐(8)内,底面与补水管处之间有适宜的落差ΔH,防返热流管上端有一排汽管(9)与热罐连接,排汽管高于防返热流管内的水平面,初始补水时,用于热罐排气补水,当热罐水满并加热时可排出蒸气,防返热流管上端面封闭在其侧有通大气管(11),始终与大气压相同。
加热时,绝大部分蒸气顺排汽管进入防返热流管上部空间,遇良导热体管壁冷凝流向水面,极少部分蒸气顺通大气管排放至大气中使防返热流管内的气压与大气压相同,热膨胀的水顺补水管返到防返热流管内并使其内水面升高,此时只能允许落差内的常温水通过回形管返到接水罐或冷罐(3)内,有效地防止热水返到接水罐或冷罐内,使冷热水不混淆,避免了电能浪费,提高整机效率,此外,防返热流管体积狭长,不受空间限制,特别适用于精巧小型机中。

Claims (3)

1.一种使用大包装食用水周转瓶(1)的冷热饮水机的加热中的防返热流装置,其特征是在补热水中间有一良导热体的防返热流管(5)
2.根据权利要求1所述的防返热流管,其特征是接水罐(2)或其上层水通过回形管(4)先从防返热流管(5)底面(6)进入其内,然后由防返热流管中间处的补水管进入热罐(8)内,防返热流管底面与其补水管处有落差ΔH。
3.根据权利要求1所述的防返热流管,其特征是上端面封闭,上端侧壁有排汽管(9)及通大气管(11)。
CN 96241684 1996-11-05 1996-11-05 防返热流管 Expired - Fee Related CN2290804Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 96241684 CN2290804Y (zh) 1996-11-05 1996-11-05 防返热流管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 96241684 CN2290804Y (zh) 1996-11-05 1996-11-05 防返热流管

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CN2290804Y true CN2290804Y (zh) 1998-09-09

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CN 96241684 Expired - Fee Related CN2290804Y (zh) 1996-11-05 1996-11-05 防返热流管

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CN (1) CN2290804Y (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106419577A (zh) * 2016-12-12 2017-02-22 珠海格力电器股份有限公司 饮水机

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106419577A (zh) * 2016-12-12 2017-02-22 珠海格力电器股份有限公司 饮水机

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