Low Pressure Wns Series Gas Steam Boiler Manufacturer In China

Boiler steam temperature affect the safety and economy temperatures above will be lower than the rated temperature of the device, it will have a bad effect. If the temperature exceeds its rated value, the boiler will cause overheating of the relevant metal material, material creep acceleration, will shorten the life of the boiler. If the temperature is too high, but some of the key components of the boiler would cause damage, can also cause serious and even superheater tube rupture. If the temperature is lower than the rated temperature, vapor enthalpy is reduced, increased air consumption, decreased economy. This will reduce the thermodynamic cycle efficiency of the plant, the steam humidity at the last stage blades of the gas turbine increases, causing erosion and damage to water droplets gas turbine blades, affect the safe operation of the gas turbine. Ruoyin with water vapor causes a decrease in temperature, the moisture in the salt impurities formed in the superheater scale, pipe valves, gas turbine blade, because the superheater lead to reduced heat transfer, the temperature decreased, damage increased wall temperature; and cause the valve plug, the operation failure; and a gas turbine blade erosion, loss of balance and vibration occurs. Temperature fluctuations reason superheater actual heat transfer the vapor does not reach the required amount of heat absorbed corresponding balancing. When the heat absorbed is greater than the heat transfer, the temperature rise; conversely decreased. Many factors affect the temperature change, including both gas side and the vapor side. Such as boiler load increased, but also to ensure the boiler load unchanged or decreased in order to prevent pressure shall increase the amount of fuel and air supply, strengthen the burning, causing the furnace exit flue gas temperature of the flue gas volume increases and lower water temperature , temperature increase; If the oil and gas fuel is combusted in the furnace carbon black is not fully formed, into the superheater flue causing secondary combustion, but also greatly increase the superheat temperature. Reducing the temperature of the main reasons: improper adjustment of combustion, low flame center furnace; superheater area is small, or too much leakage at the furnace wall; Save water flow rising or temperature reduction; drum water level or high gas-water separator separating efficiency is lowered, the humidity of the vapor is increased; superheater tube fouling, reduced heat absorption and the like.

Accessories szs system and boiler water tube boilers which (1) the fuel system the fuel system of pumps pumping fuel from the fuel tank to the day tank, is then withdrawn from the daily tank fuel pump, through a pressurized, heated, and sprayed into the filter oil atomization. This system is usually divided into the border daily service tank and oil supply system and fuel system. (2) feedwater, condensate water, steam condensate system piping system comprising pipes and valves and piping and other equipment from the deaerator. Steam system comprises a steam pipe and various valves. (3) the ventilation system features a ventilation system external air into the furnace for combustion of fuel, and the products of combustion (flue gases) discharged from the boiler to the atmosphere. In the process of air and flue gas flow, there will be a variety of flow resistance, if the natural ventilation generated by a chimney to overcome the resistance to flow, called natural ventilation. Obviously, this ventilation air flow generated is small, can be improved by increasing the height of the chimney natural ventilation. Using a fan to overcome the flow resistance of various ventilation systems, called mechanical ventilation. Mechanical ventilation is divided into positive pressure ventilation, ventilation and negative balanced ventilation. The so-called positive pressure ventilation means for sending air to the boiler and the flue gas discharged from the boiler to the atmosphere. Primer furnace boiler flue gas exhaust blower suction chamber, known as negative pressure ventilation. (4) boiler auxiliaries and monitoring instrumentation and monitoring instrumentation, boiler accessories boiler safe and economic operation are necessary, including: (A) as an annex to ensure the safe operation of the boiler: water level gauge, safety valve, pressure gauge and thermometer indicating steam parameters ; B) combustion supervision parts: pressure gauge, carbon dioxide indicator, oxygen table, smoking view mirror.

58MW SZS series gas-fired hot water boiler project for heating industryPeople cannot live a comfortable life without heating boilers in the winter, the normal and stable heat source is of great importance to human life. What is following is the increasingly serious problem of environmental pollution, implementing the policy of “coal to gas” is no time to delay, using gas-fired hot water boilers has been the general trend. Tianjin Jizhuangzi heat supply center is an enterprise specializing in city heat supply. In order to realize the “green heating”, the heat supply center decided to introduce a branch of gas-fired boilers to replace the old coal-fired boilers. ZOZEN successfully won the trust of Jizhuangzi heat supply center with its own strong comprehensive strength and rich experience in the heating industry. JIzhuangzi chose to cooperated with ZOZEN and ordered 3 sets of 58MW gas-fired hot water boilers (SZS58-1.6/130/70-Q) to provide heating source for citizens. This series of boilers adopts the design of " D " type membrane wall structure, the steam drum, the water drum and convection tube bundle form the convection heating surface to ensure the the boiler expands on both ends as a whole; at the same time, the combustion chamber is designed with the narrow distance tube membrane water cooling wall to reduce heat lost, in addition, the boiler is equipped with a big combustion chamber for the full combustion of fuel, effectively increasing the boiler thermal efficiency over 98% and reducing the NOx to 30mg, which are superior to the national level one energy efficiency standard.

July 26, 2016, Beijing, China Everbright Paper Co., Ltd. and the company signed a "split 6 tons of steam condensing gas low pressure wns series steam boiler manufacturer in china contract" by the company responsible for the WNS6-1.25-YQ split condensing gas boiler steam to all production, installation and commissioning work. The product is the use of condensing technology, effective emission of harmful substances SOx, NOx, COx, is industrial boilers efficient and environmentally friendly solutions.

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