(1) The mortar in the outer brick joints of the furnace wall can be ground into powder by hand without bonding, which indicates the mortar has been dried.
(2) Use a thermometer to insert 100mm from the outer wall. When the temperature reaches 50℃, it can last for 48h, and the outer wall temperature should be uniform.
Liquid fuels mainly include petroleum, gas oil, kerosene, heavy oil, coal tar, gasoline, alcohol and so on. The liquid fuel is mainly composed of seven components: carbon (C), hydrogen (H), oxygen (O), nitrogen (N), sulfur (S), ash (A) and moisture (M). It is characterized by high content of carbon and hydrogen and low moisture, so its calorific value is very high, usually 40600〜43100kJ/kg.
To buy dust removers for coal-fired boiler with good cost performance, we should first know more about the manufacturer, quotation and market. After all, a good vendor can bring more help to customers. Therefore, determining the sales manufacturer will be the focus of purchasing coal-fired boiler dust collectors. Coal-fired dust remover has high efficiency and will have more outstanding performance in use. Of course, when selecting products, we should know the quality of coal-fired boiler dust removers, so as to choose equipment with reasonable price and stable performance.
The price difference of coal-fired boiler dust remover is mainly due to the different specifications and models.
Make-up water rate refers to the proportion of treated water added to the boilers, steam turbine equipment and its thermal systems and participating in the circulation of steam-water systems in the boiler steam volume in the calculation period.
As a new mature high-efficiency and low-pollution clean coal technology, circulating fluidized bed combustion (CFBC) technology has many advantages that other combustion methods do not have. Circulating fluidized bed combustion is low-temperature combustion, so the NOx emission is much lower than that of pulverized coal furnace, only 200ppm.
Ash accumulation on the heating surface.
The scaling and ash deposition on the water-cooled wall of the furnace and the ash deposition of the superheater, convention tube bundles, economizer and preheater can increase the thermal resistance of the flue gas, weaken the heat transfer, lessen the cooling effect of the flue gas and increase the exhaust gas temperature of the gas-fired boiler.
Too high excess air coefficient.
Under normal circumstances, as the furnace outlet excess...
When determining how much space should be between steam boilers, serviceability should be at the top of your mind. Sure, you want to save space, but you also want to make sure you have plenty of elbow room to service your boiler properly.
One of the most crucial factors that will determine how you space your boiler units is whether your boiler system is being installed in a new construction facility or an existing building that is being retrofitted.
While a new construction giv...
