Limestone Mill For Desulfurization Of Flue Gases

2022-09-19

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Summary:MTW138 series European trapezium mill is a new generation of flue gas desulfurization (FGD) equipment with the world's advanced level for limestone mill.

Desulfurization Of Flue Gas

The flue gas desulfurization (FGD) plant removes sulfur dioxides (SO2) from flue gas produced by boilers, furnaces, and other sources. More than ninety percent of U.S. flue gas desulfurization (FGD) system capacity uses lime or limestone.

FAQ About Flue Gas Desulfurization

1. What is the fineness requirement of the powder for in-furnace desulfurization?

The fineness of the desulfurized limestone powder in the power plant is generally 325 mesh, and secondly, if the purity of the limestone itself is acceptable, and the activity is relatively good, 250 mesh is also acceptable. The finer the limestone powder, the higher the desulfurization efficiency, but the finer the grinding, the higher the energy consumption.

2. What is the fineness requirement of the powder for flue gas desulfurization?

250 mesh or 325 mesh (45μm)

3. What pollutants are mainly removed by flue gas desulfurization?

Mainly denitrification and desulfurization and ammonia or urea denitration and sulfur for dust removal

Limestone Desulfurization Mill

MTW138 series European trapezium mill is a new generation of milling equipment with the world's advanced level. The equipment adopts many world advanced technologies such as bevel gear overall transmission, internal thin oil lubrication system, oil temperature online measurement, etc. It has a number of independent patent technology rights, has a small footprint, low comprehensive investment, low operating cost, high efficiency, and environmental protection.

The overall process is simple and the degree of automation is high; the entire system operates under negative pressure, and the dust does not overflow to ensure cleanliness; at the same time, the chemical composition of the finished product is stable, the particle gradation is uniform, and the fineness of the product is adjustable, which can fully desulfurize the flue gas. The suitable limestone powder needed to improve the desulfurization efficiency.

Limestone Desulfurization Process Stages

In this method, limestone (CaCO3) or quicklime (CaO) can be used as the absorbent. The selection of an additive which can be added dry or as a slurry is made on the basis of project-specific boundary conditions. Choose a limestone mill is important.

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