Structural characteristics of several common types of heads subjected to internal pressure
Classification: Industry News
Dec 27,2024
Head under internal pressure is an important engineering structure, widely used in petroleum, chemical industry, metallurgy, electric power and other fields. According to its structural characteristics and application requirements, several common types of head under internal pressure and their structural characteristics are introduced below.
I. Hemispherical head
Hemispherical head is a kind of more common head subjected to internal pressure. Its structure is characterized by hemispherical curved surface, which has better mechanical properties and pressure-bearing capacity. Hemispherical head is relatively simple to process and manufacture and is suitable for medium and low pressure vessels.
Oval head
Oval head is also a kind of common internal pressure-bearing head, and its structure is characterized by oval cross-section at both ends. Oval head has better mechanical property and higher pressure bearing capacity and is suitable for medium and high pressure vessels. In addition, oval head has the advantages of light quality and low cost.
Disc shaped head
Disc shaped head is a special kind of head for bearing internal pressure, and its structure is characterized by a raised arc in the middle part, which is similar to disc shape. Disc-shaped head has better stress distribution and pressure-bearing capacity and is suitable for high-pressure and ultra-high-pressure vessels. In addition, the disk-shaped head has better sealing performance.
Conical head
Conical head is a kind of head with simpler structure to bear internal pressure, and its structure is characterized by one end being round or oval, and the other end being gradually narrowed to a sharp angle. Conical head is suitable for containers where certain specific medium flows, such as containers connected with pipelines. It is relatively simple in processing and manufacturing and has good pressure-bearing capacity and fluid fluidity.
V. Flat plate head
Flat plate head is the simplest structure of internal pressure-bearing head and is suitable for low-pressure vessel or
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