machine-design

Learn essential tank terminology used in chemical plant design — including heads, jackets, nozzles, weld lines, and supports — explained simply for beginner engineers.

Learn how to use the overall heat transfer coefficient (U) in chemical plants, including calculations and practical field tips.

Learn how to read and use the p-h (pressure-enthalpy) diagram in refrigeration systems. A beginner-friendly guide to understanding each stage of the cooling cycle.

Learn how steam and water ejectors work in chemical plants. A beginner-friendly guide covering principles, features, and practical use for reliable plant operation.

化学プラントで使われる「充填塔」の設計ステップを初心者向けにわかりやすく解説。液体とガスの接触効率を高めるための考え方と構造選定の基本が学べます。

Learn the basics of tank-type reactors in chemical plants. This beginner-friendly guide covers structure, components, and key design considerations for safe and efficient operation.

Learn about water-sealed vacuum pumps used in chemical plants. This beginner-friendly guide explains how they work, advantages, safety, and considerations for operation.

Discover 9 common tank nozzle design patterns used in chemical plants. Learn their applications, advantages, and risks to improve safety, operability, and maintenance.

Learn what to check in a piping diagram (P&ID) before designing equipment in a plant. A simple guide for beginners in plant design and engineering.

Safe depressurization of pressure vessels: learn how to coordinate pressure-reducing valves and safety valves, understand cracking/popping/reseat/blowdown, and avoid nuisance relief or unsafe overpressure.