Publish Time: 2022-07-05 Origin: Site
A special metal pressure vessel is a kind of closed vessel that can withstand pressure. In recent years, special metal pressure vessels have received more and more attention, and are being used by more and more enterprises in production. How much do you know about special metal pressure vessels?
Here is the content list:
1. What are the uses of special metal pressure vessels?
2. What is the manufacturing process of special metal pressure vessels?
3. How to classify special metal pressure vessels?
The use of special metal pressure vessels is extremely wide, it has an important position and role in many sectors such as industry, civil and military, as well as in many areas of scientific research. Among them to the chemical industry and petrochemical industry with the most, only in the petrochemical industry in the application of special metal pressure vessels accounted for about 50 % of the total number of pressure vessels. Special metal pressure vessels in the chemical and petrochemical fields, mainly for heat transfer, mass transfer, reaction, and other processes, as well as storage, transportation of pressurized gases or liquefied gases; in other industrial and civil fields also have a wide range of applications, such as air compressors. All kinds of special compressors and refrigeration compressor auxiliary (cooler, buffer, oil and water separator, gas storage tank, evaporator, liquid coolant storage tank, etc.) are special metal pressure vessels.
What is the manufacturing process of special metal pressure vessels?
1. Special metal pressure vessel manufacturing process can generally be divided into raw material acceptance process, scribing process, cutting process, rust removal process, machining (including planing edge, etc.) process, rolling process, grouping process, welding process (product welding test plate), non-destructive testing process, open hole scribing process, the general inspection process, heat treatment process, pressure test process, anti-corrosion process.
2. Different welding methods have different welding processes. The welding process is mainly based on the material, grade, chemical composition of the welded workpiece, the type of structure of the welded parts, welding performance requirements to determine. First of all, to determine the welding method, such as hand arc welding, submerged arc welding, tungsten arc welding, melting electrode gas shielded welding, etc. There are very many types of welding methods, which can only be selected according to specific circumstances. Determine the welding method, and then develop the welding process parameters, welding process parameters vary, such as hand arc welding mainly include welding rod type (or brand), diameter, current, voltage, welding power source type, polarity connection, the number of layers of welding, the number of channels, inspection methods and so on.
Special metal pressure vessels are classified in many ways, from the use, manufacture, and supervision of the perspective of classification, there are the following.
(1) According to the level of pressure: low-pressure vessels, medium pressure vessels, high-pressure vessels, and ultra-high pressure vessels.
(2) According to the contained medium is divided into non-flammable, non-toxic; flammable, or toxic; highly toxic.
(3) According to the different roles in the process are divided into:
① Reaction vessel: used to complete the physical and chemical reaction of the medium container.
② Heat exchanger: used to complete the heat exchange of the medium container.
③ Separation vessel: used to complete the media mass exchange, gas purification, solid, liquid, gas separation of the container.
④ Storage container: used to hold liquid or gas materials, storage and transportation of media or pressure to play a balancing buffer role of the container.
Nanjing Suntech Metal Equipment Co., Ltd. is a company with high manufacturing technology and social responsibility, so the quality of the special metal pressure vessels produced is also guaranteed. If you are in the special metal pressure vessels business, you can consider using our cost-effective products.