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Talking about how to select the desulfurization circulation pump?
浏览次数: Time: 2018-11-22 11:31
The country pays attention to environmental protection. Desulfurization and denitration in modern industry is an indispensable environmental protection project in power plants and chemical production. Today we will talk about how to select the desulfurization cycle pump in the desulfurization process. First, let's take a look at the circulating fluid in the desulfurization process.
The country pays attention to environmental protection. Desulfurization and denitration in modern industry is an indispensable environmental protection project in power plants and chemical production. Today we will talk about how to select the desulfurization cycle pump in the desulfurization process.
First, let's take a look at the circulating fluid in the desulfurization process. Generally, it contains acids, alkalis, and dechemicals. The properties are uncertain, the working conditions are more complicated, and it contains some impurities and dust.
Therefore, the desulfurization circulation pump must be made of materials that are resistant to corrosion, acid, alkali, and most importantly, abrasion. Let's screen it. First, the material must be resistant to corrosion. The pumps that meet this condition have the following:
LMU slurry pump , LHJ alkali pump , LHF fluorine-lined centrifugal pump , LHC fluorine-lined magnetic pump .
The above pumps can only meet the requirements of corrosion resistance. How to solve the abrasion resistance? Having said that, we should exclude LHF fluorine-lined centrifugal pumps and LHC fluorine-lined magnetic pumps. The other two pumps can meet the requirements of wear resistance (machine seal is abrasion-resistant and crystal-resistant cartridge type mechanical seal).
So under what conditions is the LMU and under what conditions is the LHJ alkaline pump used? Let's analyze again. LMU is a polymer polyethylene lined pump, which is more acid resistant. The LHJ alkaline pump is made of stainless steel (such as 304, 2205, 2507, etc.). According to the on-site working conditions, LMU with strong acidity and LHJ with strong alkalinity can fully meet the process requirements.
Seeing this, everyone should know how to properly select the desulfurization pump .
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