CN202188120U - 一种半球形压力容器封头 - Google Patents

一种半球形压力容器封头 Download PDF

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Publication number
CN202188120U
CN202188120U CN2011203200961U CN201120320096U CN202188120U CN 202188120 U CN202188120 U CN 202188120U CN 2011203200961 U CN2011203200961 U CN 2011203200961U CN 201120320096 U CN201120320096 U CN 201120320096U CN 202188120 U CN202188120 U CN 202188120U
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China
Prior art keywords
semispherical
seal cover
pressure container
hemisphere
pressure
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Expired - Fee Related
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CN2011203200961U
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English (en)
Inventor
李启昌
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DEQING COUNTY HAOTE METAL HEAD PRODUCTS Co Ltd
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DEQING COUNTY HAOTE METAL HEAD PRODUCTS Co Ltd
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Abstract

本实用新型涉及压力容器技术领域,尤其涉及一种半球形压力容器封头。本实用新型公开了一种半球形压力容器封头,所述的封头的上部为半球形,所述的封头的下部绕着半球形口围有一圈直边。本实用新型的采用了上部为半球形,主要是用于压力较高、直径较大的贮罐或有其它特殊需要的压力容器。本实用新型的采用了封头的下部绕着半球形口围有一圈直边,是为了防止热应力和边缘应力的叠加。

Description

一种半球形压力容器封头
技术领域
本实用新型涉及压力容器技术领域,尤其涉及一种半球形压力容器封头。 
背景技术
封头是压力容器的主要承压部件。它作为容器的封闭端,与圆筒体组成一个完整的密闭容器。习惯上,封头常常是指与圆筒体焊接连接成不可拆的容器端部结构;而与筒体由螺栓兰等连接的可拆结构,则称之为端盖。在压力作用下,封头壳壁上的应力的大小和分布都与它的型式、形状有关。正确选用封头的型式与尺寸参数,也是压力容器设计中与安全有关的一个问题。所以如何找到一个既安全又实用的封头是至关重要的。 
发明内容
本实用新型为了解决上述封头存在的缺陷,提供了一种既能达到使用要求,又能节省材质的半球形压力容器封头。 
其具体技术方案是:一种半球形压力容器封头,所述的封头的上部为半球形,所述的封头的下部绕着半球形口围有一圈直边。 
其中优选方式为, 所述的封头的材质为铁或不锈钢或铝。 
本实用新型的采用了上部为半球形,主要是用于压力较高、直径较大的贮罐或有其它特殊需要的压力容器。本实用新型的采用了封头的下部绕着半球形口围有一圈直边,是为了防止热应力和边缘应力的叠加。 
附图说明
图1为本实用新型的示意图。 
具体实施方式
实施例
下面结合图1对本实用新型实施例作进一步详细描述: 
一种半球形压力容器封头,所述的封头的上部为半球形1,所述的封头的下部绕着半球形口围有一圈直边2。
其中优选方式为, 所述的封头的材质为铁或不锈钢或铝。 

Claims (2)

1.一种半球形压力容器封头,其特征在于,所述的封头的上部为半球形,所述的封头的下部绕着半球形口围有一圈直边。
2.如权利要求1所述的半球形压力容器封头,其特征在于,所述的封头的材质为铁或不锈钢或铝。
CN2011203200961U 2011-08-30 2011-08-30 一种半球形压力容器封头 Expired - Fee Related CN202188120U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203200961U CN202188120U (zh) 2011-08-30 2011-08-30 一种半球形压力容器封头

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Application Number Priority Date Filing Date Title
CN2011203200961U CN202188120U (zh) 2011-08-30 2011-08-30 一种半球形压力容器封头

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CN202188120U true CN202188120U (zh) 2012-04-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104896090A (zh) * 2014-03-05 2015-09-09 宜兴市九洲封头锻造有限公司 一种新型碟形封头及其生产系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104896090A (zh) * 2014-03-05 2015-09-09 宜兴市九洲封头锻造有限公司 一种新型碟形封头及其生产系统

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Granted publication date: 20120411

Termination date: 20120830