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Three Common Types of Heads

Three Common Types of Heads

1. Elliptical headThe circumferential stress and meridional stress of each point of the head shell will continue to change. The hoop stress at the top is equal to the axial stress and the stress on the equator. When the elliptical head is subjected to uniform internal pressure, the axial stress is c

What Are the Shapes of the Head

What Are the Shapes of the Head

The heads can be divided into the following types according to their shapes:Flat head: also known as flat bottom head, the top and bottom are flat heads.Spherical head: The head is spherical and is generally used for containers with higher pressure. The structure of the spherical head can provide un

The Difference Between Spherical Head and Elliptical Head

The Difference Between Spherical Head and Elliptical Head

The spherical head is formed by the spherical crown of the spherical shell. There are two types: hemispherical headand spherical head without folding edge. It has a small surface area under the same volume and requires a thin thickness under the same pressure conditions. It is reasonable from

Conical Head - the Safety Guardian of the Pipeline System

Conical Head - the Safety Guardian of the Pipeline System

The conical headis a common pipe connection component, which is widely used in the petroleum, chemical, pharmaceutical, food and other industries. Its unique design and professional materials make it have excellent pressure resistance and sealing performance, and become an indispensable and im

Conical Head Use Environment

Conical Head Use Environment

There is a type of head that is particularly prominent, and that is the conical head. As the name implies, this type of head is in the shape of a cone at the top, and that is why I need to pay more attention to the actual use environment when using this type of head. Conical headsare generally

Application of Dished Only Head

Application of Dished Only Head

The dished onlyheadis also called the spherical head without folding edge. The dished onlyheadis a part of the spherical head directly connected to the cylinder. It has a simple structure and is easy to manufacture. It is often used as the middle head of two separate pressure

Application of Hemispherical Head

Application of Hemispherical Head

Hemispherical headswith smaller diameters can be pressed as a whole, but those with larger diameters are difficult to press as a whole due to their greater depth, so they need to be welded together using several trapezoidal spherical petals of the same size and a round spherical panel (spheric

How to Deal with Cracking of Ellipsoidal Head

How to Deal with Cracking of Ellipsoidal Head

The treatment and maintenance methods of the cracking problem of the ellipsoidal headare as follows:1. If the elliptical head has cracked, the head can be removed directly on site by plasma along the annular seam toward the side of the cylinder, and then a new head can be reprocessed and insta

Dished Only Head

Dished Only Head

The dished only headcan be used as an end cap or as an intermediate cap for two independent pressure chambers in a storage tank container. In any case, the thickness of the cylinder connected to the dished only headshould not be less than the thickness of the head. Otherwise, a reinforce

Protection of the Surface of 2:1 Ellipsoidal Head

Protection of the Surface of 2:1 Ellipsoidal Head

Protection of the surface of 2:1 ellipsoidal head:1.After the head and the cylinder are welded, the weld seam, heat-affected zone and surrounding welding slag, spatter, and pollutants should be cleaned in time, and PT inspection and surface pickling should be carried out.2. Prevent the surface

The Differences Between Hemispherical Heads and Dished Discs

The Differences Between Hemispherical Heads and Dished Discs

Shape and structure:Hemispherical heads: Usually refers to a complete hemispherical structure with a smooth curved surface and no obvious segmentation or folding edges.Dished discs: Although it is also based on the spherical surface design, its structure usually includes a section of cone or cylinde

The Materials Types of Hemspherical Head

The Materials Types of Hemspherical Head

Hemispherical headis a kind of head commonly used in pressure vessels and storage tanks. Its main function is to close the port of the container and withstand the internal pressure. There are many kinds of materials for hemispherical heads, and different materials have different characteristic

The Form and Use of Dished Heads

The Form and Use of Dished Heads

The head is a circular or semicircular component used to seal the container, usually made of metal. Its main forms include flat bottoms, hemispherical head, elliptical head and torisphericalhead. Each form has its specific application field and advantages.Flat bottomis the most common he

Stress Conditions of Four Types of Dished Heads

Stress Conditions of Four Types of Dished Heads

Hemispherical head: It has good stress-bearing condition and is often used in high-pressure vessels. However, due to its large depth, it is difficult to process and manufacture.Torisphericalhead: The bending stress is large and it is suitable for pressure vessels such as storage tanks, heat ex

Principles for Selecting Dished Heads

Principles for Selecting Dished Heads

Geometric: In the case of the same volume, the surface area ofa hemispherical headis small, while the surface area ofan elliptical head is basically the same as that of a disk.Mechanics: Under the same diameter, wall thickness and working pressure conditions, the hemispherical head

Dished End Manufacturing Method

Dished End Manufacturing Method

Dished endsare manufactured through several methods, depending on the shape, material thickness, and production requirements. Here are the common methods used to manufacture dished ends:spinning, pressing, deep drawing, hot forming, explosive forming, spinning and flanging combination.Ea

What Is a Dished End?

What Is a Dished End?

A dished end is a type of end cap or closure used in pressure vessels, boilers, and storage tanks to enclose one or both ends of the cylindrical shell. It has a concave, rounded shape that resembles a shallow dish, hence the name. Dished ends are designed to handle internal pressure effectively whil

Definition Torispherical Head

Definition Torispherical Head

Torispherical headis a type of end cap used on pressure vessels and storage tanks, characterized by its unique shape that combines a spherical dome with a toroidal (doughnut-like) edge. This shape is created with two main curves:1. Crown Radius: The main, central part of the head has a larger

Ellipsoidal Head Characteristic

Ellipsoidal Head Characteristic

An Ellipsoidal head, also known as an "elliptical head," is a type of end cap commonly used in pressure vessels, storage tanks, and boilers. The shape of the elliptical head resembles a flattened dome, which provides certain structural advantages. Here are the main characteristics of an el

Definition of Ellipsoidal Head

Definition of Ellipsoidal Head

Ellipsoidal Headis a kind of boiler part in the pressure vessel. The elliptical head adopts medium frequency induction heating to heat the pipe locally while carrying on mechanical transmission and bending the pipe. Theellipsoidal headcan reach 120KW with the highest power, and can

Cone Shell Structure Design

Cone Shell Structure Design

As an important pressure component of the container, the conical headis particularly important for its structural design and verification calculation.When designing the structure of the conical head, first determine the size of the half apex angle of the required conical head, and then judge whether

Conical Head

Conical Head

According to the difference of head geometry, size and purpose, heads can be divided into oval heads, spherical crown heads, dish heads, cone heads, flat caps, etc. Oval heads are actually used in many cases, and the heads used in normal pressure vessels, medium pressure and low pressure vessels are

Comparison of Elliptical Heads and Standard Torispherical Heads

Comparison of Elliptical Heads and Standard Torispherical Heads

Since most of the convex heads formed by stamping in China are standard elliptical heads, generally larger diameter heads are spinning into standard torispherical headsinstead of standard elliptical heads. The finite element calculation shows that the mechanical properties of the standard torispheri

Advantages of Using 10% Torispherical Head

Advantages of Using 10% Torispherical Head

We have standard elliptical heads(2:1 elliptical head), 10% torispherical headsand other molds. Please use two different shapes of heads according to the design of the equipment, the conditions of use, and this is beneficial to quality and cost management. Especially for atmospheric containers such

Why Use a Torispherical Head

Why Use a Torispherical Head

The torispherical headprocessed in China are generally 10% of the standard torispherical head, and its curved surface is much smoother than that of the 2: 1 elliptical head.It has the following advantages when used:It is easier to process than elliptical head, with small processing volume, good form

Thin Wall Head

Thin Wall Head

During the pressing process of thin-walled heads, the phenomenon of bulge is the key to affecting the quality of the product. During the pressing of various heads with an inner diameter of Di = 400 ~ 1500mm, the common process and mold have been changed to overcome the problem. Packing phenomenon of

Petal Forming

Petal Forming

When large thick-walled pressure vessel headsare manufactured, they are often formed by split-pressing and tailor-welding the head blank. The head is composed of a large ball apex and multiple curved petals, and the ball lobes and curved lobes are first cold formed and stamped.Finally, the assembly

The Selection of Head

The Selection of Head

The selection of head needs to consider a number of factors. The first is the requirements of users, followed by the chemical process requirements, the vertical vessels of solid working media more choose cone head, conducive to the flow of working media. The liquid working medium mostly uses ellipti

Knowledge of Conical Head Forming

Knowledge of Conical Head Forming

According to the type, specification and material of the conical head, the whole plate or panel can be formed by cold stamping, hot stamping, cold spinning, hot spinning, cold rolling, hot rolling, etc. After that, it is welded into a conical head.The atmosphere of the furnace of the conical headhea

Advantages of Aluminum Elliptical Heads

Advantages of Aluminum Elliptical Heads

Compared with other common heads, the aluminum elliptical headhas stronger corrosion resistance, good thermal conductivity, lighter material and convenient use. With the development of the economy, it has gradually replaced some materials with poor material quality. The elliptical headis actually a

The Using of Torispherical Head And Analysis of Its Work

The Using of Torispherical Head And Analysis of Its Work

In terms of actually usage, torispherical head can’t be a kind of head with great bearing. This type of head is only made for sealing. There are two main reasons for its existence. The first aspect is that the sealing of the head is very excellent on a specific container. The second point is that t

Welding Process And Technology of Stainless Steel Head

Welding Process And Technology of Stainless Steel Head

The splicing welds shall be 100% ray or ultrasonically tested, and the spliced heads shall be spliced first. The final welds shall be tested at the same level and proportion as the shell of vessel.If the shell of vessel is 20% tested III qualified. The head joint weld and the final weld are also qua

Tips of The Elliptical Head

Tips of The Elliptical Head

Elliptical head is widely used in petroleum, electronics, chemical industry, medicine, light textile, food, machinery, construction, nuclear power, aerospace, military and other industries.Processing material of elliptical headThe elliptical head is mainly made of carbon steel, stainless steel, and

Whether It Is Necessary to Set Straight Flange for Various Types of Heads

Whether It Is Necessary to Set Straight Flange for Various Types of Heads

Although the forming head is a three-dimensional product, it is also integrated on the basis of the graphic design by the corresponding technology. We don't know if you have seen the design drawings of the heads, the different types of heads, the design drawings are different in terms of the siz

How Is The Carbon Steel Head Processed

How Is The Carbon Steel Head Processed

The integral forming and split forming of the carbon steel head are two methods of head processing. The integral forming process mainly includes stamp forming and spin forming, as well as explosive forming, air pressure expansion forming, etc, which are rarely used. The integral forming can be divid

Description of Each Step of The Surface Polishing of The Head

Description of Each Step of The Surface Polishing of The Head

Although the head is not a core component, it is only used at both ends of the pressure vessel, but it is also an irreplaceable part. In the production of the head, in addition to the performance quality is too important, but also pay great attention to the surface quality, generally have to pass th

How Is the Principle of Sedimentation-hardening Alloy Used for Head Hardening

How Is the Principle of Sedimentation-hardening Alloy Used for Head Hardening

The head during the quenching process, the alloy in the material changes.When the head is quenched, because of the rapid cooling, these vacancies are too late to be removed and are "fixed" in the crystal. The supersaturated solid solution of the head is in an unstable state, and the materi

What Should You Pay Attention to When Stamping the Head

What Should You Pay Attention to When Stamping the Head

First of all, in the practical application of stamping, considering the weakening of the strength of the opening on the head, the sealing of the head and the barrel is convenient.Secondly, we use the ellipsoid as the head of the container on the chemical equipment, Lowering the height of the device

Stainless Steel Elliptical Head Surface Treatment

Stainless Steel Elliptical Head Surface Treatment

Stainless steel elliptical heads must be processed before use, such as the treatment of stainless steel elliptical heads.Only the processing of elliptical heads with good surfaces involves the treatment of stainless steel oxides, especially It relates to pickling paste which removes the oxide layer