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The greenhouse heating boiler model selection, first look at the greenhouse heating area, the height of the greenhouse, greenhouse temperature requirements, heating several greenhouses, greenhouse material is what, choose what fuel in order to determine the boiler selection. Take the commonly used natural gas fuel as an example for reference.

There are reasons for which reason the boiler fouling boiler fouling, first calcium and magnesium contained in the water hardness or to the iron, the silicon content is too high;? The same time, since the high temperature high pressure boiler special conditions. The main scale formation process is: 1 pyrolyzed at high temperature and pressure, some of the original water-soluble calcium, magnesium salts (e.g., bicarbonate) thermal decomposition, a precipitate became soluble substance. 2. The solubility decreases at high temperature and pressure, some salts (such as calcium sulfate, silicate, etc.) the solubility of the substance is greatly reduced with increasing temperature, up to a certain extent, will a precipitate. 3. pot of water evaporation, is concentrated under heat and pressure, the concentration of the salt in water with the substance and concentrated by evaporation pot and increasing, when reached saturation, precipitate separates out heating surface. 4. Conversion to react with each other and the original larger solubility in water, salts and other salts react with each other in operation, the generated precipitate insoluble material. If the reaction occurs at the heated surface, is formed directly on the scale; if the reaction occurs in water to the pot, slag is formed. Some of the water is a viscous residue, and when the sewage is not timely removed, will be converted into scales. Additionally, some corrosion products adhered to the heating surface, are often easily transformed into a metal oxide scale. These substances precipitate bond boiler heating surface to form a scale, the higher temperature portion, the more easy to form a hard scale.

b.Membrane wall / water tube boiler HRSB

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To do a solid job Huoqiu County 35 tons of steam per hour and less industrial coal-fired boilers as well as glass, ceramics industry, coal-fired kilns clean energy alternatives work, according to "Anhui atmosphere to do on the issuance of <35 hour Anhui cities and built-up areas tons of steam coal-fired boilers and the following industry and glass, ceramic industry, coal-fired kilns clean energy alternative implementation of the program "notice" (Anhui atmosphere do [2018] No. 11), "Lu'an office atmosphere on the issuance of

A scoping

1, in the present embodiment "industrial coal-fired boilers" refers to coal as the fuel, steam or hot water for industrial enterprises, primarily to meet the production process, the power (accounting for 50% or more) and the like required for the boiler, free professional heating companies coal-fired boilers.

2, in this embodiment, "glass, ceramic industry, coal-fired kiln" refers to coal as the fuel, comprising a direct-fired coal preparation or coal as a raw material gas-segment, two-stage gas furnace, firing, heating the finished product facility.

3, the program of "built-up area" means Huoqiu county area (county towns and the former North Industrial Park), Anhui Huoqiu Economic Development Zone, excluding the township.

4, in this embodiment, "clean energy" refers to electricity, natural gas, coal gas clean large, clean oil (alcohol) and all other non-renewable energy sources of renewable energy.

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