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Desulfurization Tower Sprayer Layer A, Heshun Desulfurization Tower Sprayer Layer A, Desulfurization Tower Sprayer Layer Manufacturer Desulfurization equipment is widely used in the desulfurization and dust removal industry of coal-fired boilers. It can perform wet dust removal and wet desulfurization, or integrate dust removal and desulfurization. It is not only suitable for dust removal and desulfurization of coal-fired circulating fluidized bed boilers in power stations, but also can be used for wet desulfurization and dust removal and flue gas purification of coal-fired chain boilers. It has a high efficiency in removing sulfur dioxide and thorough tail gas purification. It is also used for removing hydrogen fluoride in the furnace industry and purifying acidic exhaust gas from kiln tail gas, and for desulfurizing the tail gas of pelletizing and sintering machines.
FGD Desulfurization Tower Sprayer Layer, FRP Sprayer Layer, Application of Sprayer Pipes in FGD System
FRP has significant characteristics such as light weight, high strength, corrosion resistance, heat resistance, earthquake resistance, and low price. Currently, large-scale FRP pipes are used in FGD systems, such as FRP sprayer pipes, slurry pipes, FRP filters, FRP sprayer layers, etc.
Desulfurization Sprayer Pipe, Desulfurization Tower Sprayer Layer, FRP Sprayer Layer
Applied to - Absorber Tower Body - Slurry Delivery Pipeline, Sprayer Device - Lime Dissolving Tank - Liquid Collector, Demister - Flue, Chimney
Product performance of flue gas desulfurization sprayer pipe: - Strong corrosion resistance - Long service life - High strength - Low cost. The investment is only 58% of the cost of high-nickel alloy cladding lining. - Light weight. The density is 1/3 - 1/4 of that of steel - High temperature resistance. It can withstand a flue gas temperature of up to 230 degrees.
FGD Desulfurization Tower Sprayer Layer, FRP Sprayer Layer, The structure of the winding layer of the sprayer pipe is divided into three parts from the outside to the inside
1. Wear-resistant layer: This part belongs to the outermost structure of the winding layer, consisting of glass fiber surface mat, resin, and wear-resistant silicon carbide. Its main function is corrosion resistance and wear resistance. The ratio of glass fiber surface mat: resin: silicon carbide is 1:57:38 (by mass), and the thickness is about 5mm.
2. Corrosion-resistant layer: This part is composed of a resin-rich layer and an intermediate layer, consisting of glass fiber surface mat and resin, forming corrosion resistance, and is located below the wear-resistant layer. The resin content of the resin-rich layer is greater than 90%, and the thickness is about 5mm; the resin content of the intermediate layer is 70% - 80%, and the thickness is about 3 - 4mm.
3. Reinforcement layer: This part is directly wound on the outer wall of the pipe. It is mainly designed to bear pressure and loads under other conditions, and its thickness is determined by calculation according to the load conditions according to formula (1). The resin content of this layer is 30% - 40%, consisting of glass fiber, chopped fiber mat, and resin. It mainly meets the design requirements for stiffness and strength.
2. Inspection of the winding layer of the FRP spray pipe
After the winding and bonding construction is completed, the winding layer shall be inspected in accordance with the requirements in HG/T20696-1999 "Design Regulations for FRP Chemical Equipment". It is qualified if there are no defects such as delamination, tightness, fine lines, cracks, exposed fibers, dry spots, inclusions, bubbles, small holes, and resin nodules.
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