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Seize the opportunity to develop natural gas power generation

Seize the opportunity to develop natural gas power generation
Nov 08, 2021
Author: DEAR AST

Electric power industry is one of the important sources of carbon emission and pollutant emission, among which thermal power is the largest one. Natural gas power generation in thermal power plants is valued by developed countries for its cleanness, environmental protection and flexibility. On the one hand, it can reduce pollutant emissions and improve air quality; On the other hand, it can reduce the carbon emission intensity of the power industry, so that the total amount of carbon emissions can be controlled, or even significantly reduced.

 

The main problems of gas-fired power generation are as follows:

 

  1. The policy is not clear enough, and the industry positioning is not clear enough.

 

  1. The cost of fuel is relatively high.

 

  1. The economic value of environmental protection, peak shaving and frequency modulation has not yet been reflected.

 

  1. The core technology of heavy-duty gas turbine has not been realized independently.

 

DEAR Air Separation has been focusing on the manufacturing and service of large-scale air separation equipment and cryogenic air separation for nearly 20 years. It has rich experience in project engineering, and constantly uses innovative technologies to optimize equipment energy saving and safety. DEAR Air Separation strives to bring higher benefits to customers.

 

Science and technology innovation + management innovation initiated the reform of the air separation industry mode, and developed the remote intelligent monitoring system with the help of Internet technology. Realize remote control, automatic data acquisition and analysis and other functions to achieve early detection and early warning of equipment failure.

 

Spend a lot of money to build intelligent production workshop, ensure product quality close to zero defects, improve the accuracy of biogas purification equipment, shorten the scheduled cycle. At the same time, it has a number of patented technologies, of which two ultra-low pressure discharge energy-saving patents belong to the domestic leading level, which can reduce the energy consumption of biogas purification equipment by 5% - 15%, and save operating costs.

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Why is the pressure in the lower tower of the air separation equipment higher than that in the upper tower?
2024.04.23
The expansion air volume entering the upper tower increases, and the reflux ratio of the distillation section decreases correspondingly. In order to achieve the required purity of nitrogen products, more tower plates need to be set. When the reflux ratio is reduced to countless Tower plates needed to be set to make the purity of nitrogen reach the required value, then the reflux ratio is called the minimum reflux ratio. The expansion air volume entering the upper tower is first limited by the minimum reflux ratio. The closer the reflux ratio is to the minimum reflux ratio, the faster the number of tower plates needed to ensure the product purity increases, which will lead to the increase of investment, the increase of tower plate resistance, the increase of Operation pressure and the increase of energy consumption. Therefore, the reflux ratio after the inflated air enters the tower should be larger than the minimum reflux ratio. When the purity of nitrogen is required to be low, the...
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