service@dearast.com
English
中文
English
Home
Products
Large air separation
Small air separation
High purity nitrogen air separation
Liquefaction air separation
Complete air separation
Biogas purification
Air separation parts
Chat online
Solutions
Metallurgical solutions
Chemical industry solutions
Fertilizer industry solutions
Oil industry solutions
Non-ferrous industry solutions
New material industry solutions
Circular economy industry solutions
Photovoltaic solutions
Building materials industry solutions
Coal chemical industry solutions
Environmental protection industry solutions
Ceramic industry solutions
Chat online
Service
Service Policy
FAQ
Service Network
Chat online
Technology & Quality
Intelligent Workshop
Quality Management
Remote Device Monitoring
Research Center
Chat online
About DEAR
About Us
Location
Values
SD
Qualification
Chat online
News
DEAR News
Media
Special Topic
Chat online
Contact
Contact
Inquiry
Chat online
Search
DEAR News
当前位置:
Home
/
News
/
DEAR News
|
DEAR News
|
Media
|
Special Topic
DEAR Air Separation Demonstrates "User-Centric" Service Philosophy Through ActionExecutives Visit Frontlines for In-Depth Exchanges with Customer Teams, Facilitating Intelligent Energy-Saving Equipm
2025.08.14
DEAR Air Separation Demonstrates "User-Centric" Service Philosophy Through Action Executives Visit Frontlines for In-Depth Exchanges with Customer Teams, Facilitating Intelligent Energy-Saving Equipment Upgrades
DEAR Video
Progress of the DEAR Air Separation Gas Island Project
DEAR Air Separation Gas Island Skid Mounted Equipment
What are the requirements for the safety technology management of cylinder filling units?
1) The station can only be built after the review and approval of relevant departments according to the regulations on the safety management of chemic
Mar 01, 2013
What factors are related to the running cycle of the air separation plant?
The determination of the running cycle of the air separation plant is mainly based on the gradual accumulation of trace carbon dioxide after it is bro
Feb 28, 2013
How to operate small air separation plant when the low temperature thermometer fails?
The three-point temperature of the low temperature of the air separation tower is: T3 temperature refers to the temperature before the high pressure a
Feb 28, 2013
The leaders of the four major groups of the city came to our company to inspect and guide the work
Municipal Party Secretary Qi Jinli (second from left), Mayor Ji Bingwei (first from right), chairman he Baotang (second from right), vice general m
Feb 28, 2013
What effect does the overheating of the inflated air sent into the upper tower have on the rectification?
The whole low pressure oxygen generator has certain rectification potential because of the distillation section of the upper tower, so the air after e
Feb 28, 2013
What failures are easy to happen in low temperature valve, and how to prevent and deal with them?
There are many types and types of low temperature valves. Now take the low temperature stop valve as an example. The common failures can be divided in
Feb 26, 2013
Why can we adjust the temperature condition of switching heat exchanger (or cooler) by changing the air volume or the distribution of product gas volume, and how to adjust it?
Under the design working condition, the positive and return air volume of the Heat section of the switching heat exchanger (or cooler) is basically eq
Feb 26, 2013
What is the function of the liquid purifier in the whole low-pressure air separation plant? Why can we adjust the temperature of the backflow outlet by self-balance?
Answer: in the whole low-pressure air separation process, some are equipped with a liquid purifier, and some are equipped with two or even three liqui
Feb 26, 2013
What role does the expansion heat exchanger play and where should it be placed?
Answer: On the one hand, the expansion heat exchanger is to reduce the temperature of the air after expansion by utilizing the cooling amount of the n
Feb 26, 2013
What safety issues should be paid attention to when conducting argon arc welding?
Argon arc welding will produce harmful gas and high frequency electricity in the welding process, so there are several protection and safety measures
Feb 25, 2013
Why doesn't the full low pressure oxygen generator enter air when it starts?
At the beginning of starting the full low pressure oxygen generator, all the air entering the equipment is inflated through the expander, while the to
Feb 25, 2013
What is switching valve? How does it work?
Switching valve (forced Valve) is a pneumatic switching valve installed on the hot end of switching heat exchanger (or cooler. The switch of the switc
Feb 25, 2013
1
...
53
54
55
56
57
58
59
60
...
106
Need more information?
Contact us for more details about our air separation equipment, solutions and services.
Name
*
Country
Email
*
Tel
Products
Large air separation
Small air separation
High purity nitrogen air separation
Liquefaction air separation
Complete air separation
Biogas purification
Air separation parts
Send Now
service@dearast.com
Chat online
Tel:+86-19837850537
Service Policy
Service Network
FAQ
Search
Chat online
E-mail:
service@dearast.com
Hotline:
+86-19837850537
Products
Large air separation
Small air separation
High purity nitrogen air separation
Liquefaction air separation
Complete air separation
Biogas purification
Air separation parts
Service
Service policy
FAQ
Service network
Technology & Quality
Intelligent workshop
Remote monitoring equipment
Quality management system
Research center
About DEAR
About Us
Location
Values
SD
Qualification
© Kaifeng DEAR Air Separation Industry Co., Ltd.. All rights reserved.
Site map
|
Privacy policy
|
FAQ
Online
Inquiry
Email
Top