2Th Coal Steam Boiler Delivery To Nigeria
As a leading 2th coal steam boiler delivery to nigeria manufacturer in China, ZG Boiler keeps manufacturing high quality industrial steam boiler for all industrial area. Among one of IBR steam boiler manufacturers, ZG Boiler researches, engineers, manufactures and sells industrial steam boilers for a wide range of commercial and industrial applications. Different division, different steam boiler. For example, because of different fuels, our main products can be IBR biomass fired steam boiler, IBR coal fired steam boiler, IBR gas fired steam boiler, IBR oil fired steam boiler, IBR CFB steam boiler, etc. Those IBR steam boilers also can be divided into single drum steam boiler and double drum steam boiler. Our honestly consumers can choose horizontal steam boiler and vertical steam boiler. Here, as a IBR steam boiler manufacturer in China, I wound like to introduce IBR steam boiler in fuel difference.
Learning materials heat boiler 1, the boiler is three safety accessories: water gauge, pressure gauge, safety valve. 2, the normal operation of the boiler water level is 0 ± 40mmH2O, the maximum does not exceed 0 ± 80mmH2O, the normal water pressure of 5.5MPa, to allow the fluctuation range of 4.5-6.0MPa, normal pressure boiler feed water temperature should be 105 degrees Celsius. 3, steam flow is not larger than the normal water boiler feedwater flow reasons, the measuring device instrument to do so. 4, the steam flow rate is less than the abnormal overheating damage reasons of water flow, water wall damage, damage to the economizer, the boiler is full of water, measuring device instrument to do so. 5, points on the furnace process CCP washed three times water gauge, pressures of 0.05-0.1MPa, 1.0MPa, 2.8MPa. 6, it is determined whether the normal water table and put into operation to see if the water level fluctuates slightly exemplar. 7, the boiler water pressure test and the test is divided into P overpressure test of two, when the water pressure P test, the boosting speed of not more than 0.35MPa 0.5MPa down rate does not exceed per minute. To the boiler water blowdown 8, the pressure in the boiler shutdown boiler water temperature drops below 80 degrees Celsius. 9, the position of each ordinary pressure test is hydrophobic doors: a door opening, the second door is closed. 10, the boiler-burner with a swirling-type and DC type two. 11, elemental analysis of coal with a composition: C, H, O, N, S, moisture, ash. 12, the main component of the blast furnace gas is: CO.'S time, nitrogen gas, blast furnace gas pressure is lower than 1500Pa, the user must reduce the amount of gas. Fire stop its pressure 1000Pa, working pressure 4000-8000Pa, the upper limit for the dangerous pressure 10000Pa, the lower limit is 2000Pa. 13, the main component of the coke oven gas: CO, nitrogen gas, coke oven gas pressure is lower than 1500Pa, must reduce the amount of gas, which pressure is 500Pa fire stop, working pressure 5000-7000Pa, the upper limit is 8000 Pa pressure the risk, the lower limit is 1500Pa . 14, the high, the main features of coke oven gas is flammable, explosive, toxic. 15, proximate analysis of coal with a volatile content, fixed carbon, ash and moisture. 16, boiler water circulation loop fault has stagnated, cycling back down the tube vaporization, soft drinks stratification. 17, the pulverized coal burning furnace radiation heat from a heat source of flame, high temperature flue gas convection heat. 18, the pulverized coal ignition and quick combustion conditions are sufficiently high temperature furnace, a sufficient amount of air mixed well, pulverized coal and air. Enough burn time. 19, ignition of pulverized coal into the combustion stage, the combustion stage, burning ember stage. 20, boiler mechanical rolling bearing does not exceed a predetermined temperature 80 degrees Celsius, the slide bearing does not exceed 40 degrees Celsius. 21, with factors affecting the steam load boiler water, boiler water salinity, pressure change, the vapor space of the drum height. 22, the principle of the steam separator drum gravity separation, inertial separation, centrifugal separation, separation of the water film. 23, the first ignition of the pulverized coal volatiles, fixed carbon is the latest ignition, the combustion of carbon is the longest. 24, steam soluble salt contaminated steam quality reasons, mechanical carryover. 25, the normal operation of the boiler drum water level in the glass tube than the water level high 50MM, when the water level in the steam table overall door leak, the water level high water table, the total gate leakage when the water level is low. 26, a method for enhancing heat transfer with a heat transfer coefficient is increased, raising the average temperature difference between the heat transfer, the heat transfer area is increased. 27, into the boiler furnace wall refractory layer, three-layer insulating layer and the sealing layer. 28, light blue flame blast furnace gas, as a bright golden yellow flame co-firing light yellow flame, coal, coke oven gas when the combustion gas as a combustion time. 29, the boiler by the "pot" and "furnace" composition, "pan" refers to a soft drink system is mainly composed of the drum, the downcomer, the header, waterwall, economizer, superheater composition; "oven" refers to a combustion system, a furnace, a burner, an air preheater composition. Calorific value 3.27GJ 30,1 tons of steam.
February 21, spring day, the CPPCC Standing Committee, vice chairman of China Zhi Gong Dang, Deputy Secretary-General, Mr. Jiang Zuojun director of the Central Monitoring Committee accompanied by relevant leaders of Anyang, fast Boiler visit the company headquarters and to carry out research. Jiang Zuojun first visited the company's R & D Center Exhibition Hall, a detailed briefing accompanied by Mr. Luhai Gang's Group President. Mr. Jiang Zuojun listened carefully to the President on various aspects of History and products, production technology, market applications and so on.
The main characteristics of the indicators boiler What? To demonstrate configuration, capacity, parameter and economical operation of the boiler, etc., generally represented by the following indicators to the basic characteristics of the boiler. A) evaporation industrial boilers evaporation is generally 0.1 ~ 65t / h. For the hot water boiler with a nominal thermal power of its capacity to indicate the size, in units of MW. (Ii) pressure and temperature for saturated steam production boiler, just indicate steam pressure. For the production of superheated 2th coal steam boiler delivery to nigeria, the steam temperature of the steam must be marked at the outlet of the superheater, i.e., superheated steam temperature, the unit is deg.] C. For hot water boiler, the hot water temperature has rated outlet and rated the import of sub backwater temperature. With rated thermal power, rated water temperature and the return temperature corresponding to the rated nominal referred circulating water flow of water through the hot water boiler, the unit is t / h. Heating boiler (iii) an evaporator heating surface and the heating surface of the heat generation rate surface evaporation rate or heating rate is an indicator of the intensity of the boiler work, the greater the numerical value, the better the heat transfer, the smaller the amount of metal consumed boiler. Heating surface evaporation rate general industrial boiler is less than 40kg / (m · h); heating surface of the heating rate of hot water boiler is less than 83700kJ / (m · h) iv) the thermal efficiency of the boiler which is an index indicating economical boiler heat, general industrial combustion thermal coal boiler efficiency of around 60% to 82%. Sometimes, in order to measure the heat economy schematically steam boiler, are also commonly used coal or coal water vapor than the ratio expressed as the ratio of the amount of coal in the boiler per unit time over the period of time and the amount of steam production. Coal-water ratio of about the size and type of boiler, coal quality and operation management quality and other factors. Industrial boilers coal-water ratio is generally l: 6 ~ 1: 7.5. Description (a) Evaporation: desired amount of steam produced per hour steam boiler called evaporation, the unit is t / h steam boiler showed that the size of the rated capacity of evaporation, i.e. in boiler design parameters and ensure a certain efficiency. maximum continuous evaporation, also known as the rated output of the boiler (ii) pressure and temperature: the rated pressure steam boiler of the steam at the outlet of the steam or the hot water boiler rated working pressure rated pressure at the outlet of the hot water boiler is called, and He said maximum working pressure, in units of MPa (iii) an evaporator heating surface and the heating surface of the heat generation rate: refers to the heating surface of the pot soft drinks and other heat transfer medium and the flue gas heat exchange area of the pressure receiving member, usually with smoke metal surface area of the gas-side heating area is calculated, in units of square meters. the amount of steam per hour per square meter of the resulting heating surface, called boiler heating surface evaporation rate, in units of kg / (m · h) per hour hot water boiler m² heating surface of heat generated by the heat generation rate is referred to as heating surface, the unit is kJ / (m · h). (Iv) thermal efficiency: thermal efficiency of the boiler is a boiler effective utilization percentage of the heat input and heat boiler per unit time, also called boiler efficiency, [eta] is represented by the symbol.