CN2418418Y - 一种电加热器 - Google Patents

一种电加热器 Download PDF

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Publication number
CN2418418Y
CN2418418Y CN 00214356 CN00214356U CN2418418Y CN 2418418 Y CN2418418 Y CN 2418418Y CN 00214356 CN00214356 CN 00214356 CN 00214356 U CN00214356 U CN 00214356U CN 2418418 Y CN2418418 Y CN 2418418Y
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China
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housing
shell
electric
expansion tank
electric heater
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Expired - Fee Related
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CN 00214356
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李龙芝
韩学道
武全智
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FENGHUANG ELECTRIC-HEATING BOILER Manufacturing Co Ltd WEIFANG
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FENGHUANG ELECTRIC-HEATING BOILER Manufacturing Co Ltd WEIFANG
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Priority to CN 00214356 priority Critical patent/CN2418418Y/zh
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Publication of CN2418418Y publication Critical patent/CN2418418Y/zh
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Abstract

一种电加热器,它包括壳体,壳体上设有进水嘴和出水嘴,壳体内设有电热管,电热管与壳体之间设有绝缘密封装置,进水嘴和出水嘴之间设有换热管,换热管设置在壳体内,在壳体内填装有导热油,壳体顶部设有与壳体连通的膨胀箱,膨胀箱顶部设有通孔;由于导热介质不含无机盐,电热管上结垢少,因此使用寿命长、经济;膨胀箱顶部设有通孔与大气相通,使壳体内导热介质保持常压,使用安全。

Description

一种电加热器
本实用新型涉及有热发生装置的水加热器,具体涉及一种电加热器。
目前,取暖用的电加热器主要采用直热型式,即包括一壳体,壳体上设有一进水嘴和出水嘴,壳体内设有电加热装置,电加热装置与壳体之间设有绝缘密封装置,电加热装置直接加热循环水,由于循环水中含有较多的钙镁离子,使电热管上严重结垢,影响电热管内的热量散发,不但除垢工作量大,而且容易烧坏电热管,影响电加热器的正常工作。
本实用新型的目的就是提供一种电热管上结垢少,并且使用寿命长、安全、经济的电加热器。
为了实现上述目的,本实用新型的技术方案是:一种电加热器包括壳体,壳体上设有一进水嘴和出水嘴,壳体内设有电加热装置,电加热装置与壳体之间设有绝缘密封装置,其结构特点是进水嘴和出水嘴之间连设有换热器,换热器设置在壳体内,在壳体内填装有不含无机盐的导热介质,壳体顶部设有与壳体连通的膨胀箱,膨胀箱顶部设有通孔。
所述的导热介质是一种导热油。
本实用新型由于采用上述结构,在壳体内填装有不含无机盐的导热介质,通过电加热装置加热导热介质,导热介质经换热器加热循环水,由于导热介质不含无机盐,不易发生沉淀结垢,电热管上结垢少,因此使用寿命长、经济;壳体顶部设有与壳体连通的膨胀箱,膨胀箱顶部设有通孔与大气相通,使壳体内导热介质保持常压,使用安全。
下面结合附图和实施例详细描述本实用新型;
图1示出了本实用新型实施例的正剖视图;
图2示出了图1的侧剖视图;
本实用新型包括壳体1,壳体1上设有一进水嘴6和出水嘴7,壳体1内的底部设有电热管2,电热管2与壳体1之间设有绝缘密封装置,进水嘴6和出水嘴7之间连设有表面式换热器4,表面式换热器4设置在壳体1内的上部,在壳体1内填装有导热油3,壳体1顶部设有与壳体1连通的膨胀箱5,膨胀箱5顶部设有通孔;接通电源,电热管2工作,加热导热油3,导热油3经表面式换热器4加热循环水,导热油3经电热管2加热后上升,经表面式换热器4向循环水传热,温度降低后自然循环到壳体1底部,由于导热油3中不含沉淀类的无机盐,不易发生沉淀结垢,电热管2上结垢少,因此使用寿命长,在膨胀箱5顶部设有通孔与大气相通,使壳体1内导热油3保持常压,使用安全。

Claims (2)

1、一种电加热器包括壳体(1),壳体(1)上设有一进水嘴(6)和出水嘴(7),壳体(1)内设有电加热装置(2),电加热装置(2)与壳体(1)之间设有绝缘密封装置,其特征在于进水嘴(6)和出水嘴(7)之间连设有换热器(4),换热器(4)设置在壳体(1)内,在壳体(1)内填装有不含无机盐的导热介质(3),壳体(1)顶部设有与壳体(1)连通的膨胀箱(5),膨胀箱(5)顶部设有通孔。
2、根据权利要求1所述的电加热器,其特征在于所述的导热介质是一种导热油(3)。
CN 00214356 2000-04-17 2000-04-17 一种电加热器 Expired - Fee Related CN2418418Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 00214356 CN2418418Y (zh) 2000-04-17 2000-04-17 一种电加热器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 00214356 CN2418418Y (zh) 2000-04-17 2000-04-17 一种电加热器

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CN2418418Y true CN2418418Y (zh) 2001-02-07

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CN 00214356 Expired - Fee Related CN2418418Y (zh) 2000-04-17 2000-04-17 一种电加热器

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111055581A (zh) * 2020-01-13 2020-04-24 陶杨云 一种油加热式层压机加热油箱

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111055581A (zh) * 2020-01-13 2020-04-24 陶杨云 一种油加热式层压机加热油箱

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