Class A china industrial coal fired steam boiler

Horizontal industrial boiler for sale in India

ZG horizontal industrial boiler range which can be exported to India: horizontal fire tube boiler, horizontal water tube boiler, horizontal coal fired boiler, gas fired boiler, oil fired boiler, biomass fired boiler and so on. These product are featured with stability, quality, durability and reliability because our product are manufactured with top quality raw materials. The design, construction and superintendence of a wide variety of steam boilers, hot water boilers, and power plant boiler.

Our emphasis on increasing green, local governments also boiler operation produces nitrogen oxides and smoke emission requirements become more stringent. Fast boiler followed by the national trend of development, deepening of cleaning boiler product design and development. Lulu as a representative of business development of the national beverage, and hope to find a set of boiler energy conservation and clean in one, for drink production process of fermentation, sterilization, drying, curing and other processes. After many visits and market research, in October 2017 and entered into boiler fast boiler purchase contracts, purchase two 10 tons of steam and a whole 20 tons of steam condensing class a china industrial coal fired steam boiler. The two sides this cooperation is the other quality fast condensing gas boiler highly recognized, has proved a powerful strength fast boiler in the boiler production and service of gas condensate from the side.

The heat loss of exhaust smoke is the largest of all kinds of heat loss in boiler. Generally, the heat loss of exhaust smoke is 6% of the heat fed into the furnace, and the heat loss of exhaust gas increases 0.5% when the temperature of exhaust gas increases by 12 ℃ and 15 ℃. So the exhaust temperature is one of the most important indicators of boiler operation. The following are several possible causes of increased flue gas temperature in the furnace: (1) slagging and ash accumulation on the heated surface. No matter it is the slag accumulation in the water-cooled wall of the furnace, or the ash deposition in the superheater, convection tube bundle, economizer and preheater, the thermal resistance of the flue gas measurement will increase, the cooling effect of the flue gas will become worse due to the deterioration of the heat transfer, and the exhaust temperature will rise. (2) excess air coefficient Big. Under normal conditions, the exhaust temperature increases with the increase of excess air coefficient at furnace outlet. After the increase of excess air coefficient, although the amount of smoke increased, the rate of smoke increased, and the convection heat increased, the increase of heat transfer was not as much as that of the increase of flue gas. It can be understood that after the increase of smoke speed, the flue gas leaves the heating surface without time to transfer heat to the working fluid. (3) the air leakage coefficient is too large. The flue gas leakage in the furnace and rear shaft of a negative pressure boiler is inevitable and the leakage coefficient allowed by a certain heating surface is specified. When the air leakage coefficient increases, the effect on the exhaust temperature is similar to that of the superheated air coefficient. And the air leaks away. The closer the furnace is, the greater the influence on the rise in exhaust temperature. (4) Water supply temperature. When the steam turbine load is too low or the high pressure heater is out of line, the feed water temperature of the boiler will be lowered. Generally speaking, if the fuel quantity is kept constant, the heat transfer temperature difference of the economizer decreases and the heat absorption of the economizer decreases when the feed water temperature is increased, which makes the exhaust temperature increase. (5) moisture in the fuel. The increase of moisture in the fuel increases the amount of smoke, thus increasing the exhaust temperature. (6) Boiler load. Although the boiler load increases proportionally, the amount of smoke, the amount of steam, the amount of water supplied, and the volume of air increase proportionally, however, the flue gas temperature at the furnace outlet increases proportionally. Increase, so that the exhaust temperature increased. After increasing the load, the outlet temperature of the furnace increases, the heat transfer temperature difference of the convection heating surface increases and the heat absorption increases. Therefore, the more the convection heating surface is, the less the influence of the boiler load on the exhaust gas temperature is. (7) fuel varieties. When the low calorific value gas is fired, the radiative heat transfer in the furnace decreases due to the decrease of furnace temperature, and the non-combustible components in low calorific value gas, mainly N _ 2, CO _ 2 and H _ 2O, increase the amount of flue gas, so the exhaust temperature increases. Although the excess air coefficient of furnace outlet is lower than that of coal burning, the ash content in the fuel oil is very low after the pulverized coal furnace is changed to burn oil, although the excess air coefficient at the furnace outlet is lower when burning oil. There is no larger ash particle in flue gas, and there is no cleaning effect of larger ash particle on the heating surface, and the convection heating surface is polluted more seriously. Therefore, combustion is not good, often smoke-emitting boiler smoke temperature rise. When there is a steel ball dust removal device at the tail, the exhaust temperature is slightly lower than that of burning coal because the tail is cleaner. (8) the operation mode of pulverizing system. For a closed pulverizing system with a silo, when the pulverizing system is in operation, as a part of the water in the fuel enters the furnace, the furnace temperature decreases and the flue gas increases, and the cold air leaking into the pulverizing system enters the furnace as a primary air during the operation of the pulverizing system. Reduction of air flow through air preheater To raise the exhaust temperature. On the contrary, when the pulverizing system is shut down, the exhaust temperature decreases.

Well designed and optimized the small series main parameters of class a china industrial coal fired steam boiler maintenance check before delivery of submersible pumps confirm Henan fast boiler us with all the main parameters of the steam boiler optimization design and delivery of well maintenance check before confirming with submersible pumps steam boiler with other boiler Like products, in order to improve the combustion efficiency of the boiler must optimize the product, this article lists the following items index to optimize the design parameters and performance indicators as steam hot water boiler for reference purposes only. (1) to ensure safe operation of the hot water boiler steam: hot water boiler steam integral part life more than 30 years, the life by wear of the heating surface reaches more than 15 years. (2) Operation Economy excellent hot water boiler steam: Steam hot water boiler efficiency of 91% -93%, 99% combustion efficiency; small soda system flow resistance, reducing the power consumption of the feed pump; reduced gas side resistance losses, reducing blower, fan, and other auxiliary equipment mill power consumption. (3) has a good regulation performance: adjusting the combustion, steam temperature adjustment, like the boiler drum water level regulator flexible and effective. (4) investment cost savings: Enhanced heat transfer, reduce the consumption of metal, especially a reduction in the consumption of advanced metallic materials; under the premise of ensuring product quality, reduce manufacturing, transportation, construction and maintenance, operating costs. (5) High Reliability Run: available more than 90%, fewer unplanned downtime; fire, deflagration, and no accident slagging operation of the steam boiler hot water; heating surface leakage and over-temperature occurs, tube rupture. (6) has a good load following properties: rapid start and stop, load change quickly. (7) running stability: stable operation of the steam boiler parameters, thermal stress is small and easy to adjust automatically with coal and load changes. (8) slight heating surface wear, less fouling, corrosion, emissions meet environmental requirements. Check well before delivery inspection confirmed ① out with submersible well pumps, valves, and pre-population with submersible pumps line valve closed; ② confirmed wells with submersible pump inlet line valve closed temporary purged with nitrogen, removal of temporary hose, cap installed; ③ confirmation discharge line valve closed torch; ④ confirm the submersible well pump has been fully emptied medium (neat) with; ⑤ discharge line to confirm a closed valve closed; ⑥ confirmed vent valve opening (Ming row); ⑦ confirm submersible well pump body temperature was lowered to room temperature; ⑧ contact operating position within the pump power corresponding to the apparatus; ⑨ card to send electrical power plant, the pump power; ⑩ confirm that the pump motor off.

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