COTO Relay 3501-05-511

09/23/2020

Application of DCS system in anti-surge control system of air separation compressor

Keywords: DCS system, air separation compressor, anti-surge control system Preface 　　 The 6000m3/h air separation plant of Xilin Iron and Steel Company was completed in May 2001 by Hangzhou Oxygen Concentrator Group Company. The factory design was designed by Beijing Iron and Steel Design Institute. It was successfully put into operation on September 2, 2001, and it took more than half a year to run. It shows that the unit is operating stably, and all indicators have reached or exceeded the design value. The entire control system uses Honeywell’s TDC3000 and two GUS stations.

06/29/2020

Several causes of compressor burning

01/05/2021

POCKET GUIDE: TROUBLESHOOTING A FAULTY REFRIGERATOR

POCKET GUIDE: TROUBLESHOOTING A FAULTY REFRIGERATOR Pocket-guide-troubleshooting-a-faulty-refrigerator YOU BREAK 'EM, WE FIX 'EM FEBRUARY 9, 2018 APPLIANCE REPAIR TIPS,  GUIDES & HOW-TO'S,  REFRIGERATORS Your refrigerator is the most important applianc器2䀀
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08/11/2020

Hello everyone, let me introduce to you, what does the standard central air conditioning budget list look like

The standard central air-conditioning budget is roughly composed of three parts: a configuration table, a specific quotation and a detailed list of auxiliary materials.

09/07/2020

The role of the frequency converter on the air compressor

The frequency converter is a very important controller on the air compressor. The use of the frequency converter in the air compressor system is precisely to make the air compressor system

09/08/2020

The development history of air compressor

A device used to increase air pressure. We call it an air compressor. There are thousands of types. The most common ones are piston air compressors, screw air compressors, scroll air compressors, and sliding vane air.

05/06/2025

What is the difference between inverter air conditioner and fixed frequency air conditioner

1. What is inverter air conditioner? Frequency conversion means that the frequency is variable and adjustable. Compared with traditional air conditioners, the generation of frequency conversion air conditioners is due to the rapid development of power el器2䀀
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08/20/2020

Strategy丨Common failures and maintenance of piston refrigeration compressors

1. The refrigeration compressor cannot start normally 　　Overhaul ideas 　　 1. Firstly, check whether it is caused by low power supply voltage or poor motor circuit connection.

08/12/2020

Four steps in the use of parallel compressors in cold storage

The use of parallel compressors focuses on four issues, as follows: 　　①Keep the oil level 　　② Countermeasures for liquid flood back 　　③Protection device and accessory parts device 　　④Confirmation of piping stress

02/06/2024

Troubleshooting Guide: Convection Oven Fan Not Spinning

The convection oven, with its innovative fan system, has revolutionized the way we cook, offering even heat distribution and faster cooking times.