China Industrial Oil and Gas Fired Steam Boiler for Food Industry
A boiler is an energy conversion device that outputs steam, high temperature water or an organic heat carrier with a certain amount of thermal energy. The boiler can be used for heating, hot water supplying, industrial steam supply, power generation, etc. Therefore, the application of boilers is very common. From the fuel, boilers can be divided into many types. The oil and gas boiler is a kind of boiler that uses natural gas, gas, oil, light oil, heavy oil, etc. The boiler uses gaseous fuel or liquid fuel, and the fuel can be delivered in the form of a pipe, which is convenient to use. With the strengthening of environmental protection and energy conservation awareness, many boiler manufacturing companies have also made achievements in these areas. Such as ZG boiler low nitrogen condensing oil and gas boiler to achieve ultra-low nitrogen emissions, and the boiler's thermal efficiency is high.
Hot water boiler in the school dormitory and classroom building are generally used for central heating, drinking water and bathing water aspects of teachers and students and so on. Shanxi Linxian County high school is an important educational school personnel training for the community. 2017, the school responded positively to national coal to gas and other environmental policies, but also to provide students with a more favorable living and learning environment, the school decided to phase out conventional coal-fired boilers, clean and environmentally friendly replacement for the gas boiler. After getting to know and choose the boiler industry, major companies, determined cooperation with professional production of clean fuel boiler fast boiler-by-side to provide a fast 4.2MW integrated condensing gas hot water boiler (WNS4.2-1.0 / 115 / 70-YQ).
Industrial gas china industrial oil and fired steam boiler for food industry for industrial use industrial gas steam boiler is a low-pressure gas steam boiler, but its high thermal conductivity temperature of the liquid inside, and the liquid explosive is mostly, if working in industrial gas steam boiler thrown thermally conductive fluid leak and cause a fire or even a large possibility of an explosion, which is very dangerous, so run industrial gas steam boiler safety is often worth the length of the face. Because the range of high temperatures (above 320 ℃), low voltage (0.3 to 0.5MPa), the heating temperature can be precisely controlled, it can replace the original steam boiler heating. Industrial gas steam boiler is heated up to a temperature of 350 ℃, molten salt furnace is heated up to a temperature of 530 ℃. Because the ash can not be produced by industrial combustion gas steam boiler fuel gas, if the gas and air mixture into the furnace is injected within a certain range may explode. Gas steam boiler operating temperatures above 400 ℃ oil and molten salt heat transfer medium, having a molten salt heat steam than the gas lifetime advantages, but otherwise are at a significant disadvantage, in particular the complexity of running the system.
The working principle of china industrial oil and fired steam boiler for food industrys and steam boilers for industrial structural features has brought great convenience, steam boilers led to the development of the times, the following small series to introduce you to the structural characteristics and working principle of steam boilers. Steam boiler is producing steam-based machines, people use a lot, but many of its structure and working principle are not fully aware of, it is the use of volume and pressure water tube steam boilers coal, oil and natural gas are less restrictive , I would like to have a lot of space, but also easy to arrange, in the form of a variety of steam boilers. Water in the steam drum is heated into steam, the heat emitted by the fire in the furnace, is the principle of steam steam boiler. Steam boiler works: 1, heat generated by burning coal in the furnace, the heat transfer by radiation is first absorbed waterwall waterwall Boiling water, a large amount of steam into the drum for water separation (except the DC furnace), separated saturated steam enters the superheater, and continues to absorb the furnace top horizontal flue by means of radiation, convection, heat of the flue gas flue of the tail, and the superheated steam to reach the required operating temperature. Generating steam boilers are generally provided with a reheater, it is used to heat the steam through the high pressure cylinders acting reheater go out of the reheat steam, the low pressure cylinder to continue to generate power. 2, when the pulverized coal fired boiler work, the center position of the flame will impact the amount of evaporation, generally, the lower the evaporation flame kernel, the flame kernel high evaporation amount is small, the center position of the flame will also affect the reheat steam or superheated steam temperature, generally lower the center of the flame in particular superheated steam is then superheated steam temperature to be low, otherwise higher. 3, the arrangement of the burner, pulverized coal fired boiler on, the current embodiment there are opposed wall, more Tangentially combustion, combustion bis Tangentially the like, each have their own characteristics, can not be applied because the same furnace at the same time several above-mentioned arrangement, the steam still can not directly affect the conclusion. Steam boiler structural characteristics: 1, the steam boiler body welding: the main welding using advanced submerged arc welding process, welding quality assurance. All welds were 100% primary radiation detection according to the "Steam Steam Boiler Safety Technology Supervision", according to the eligibility criteria Ⅱ pole. 2, a horizontal steam boiler combustion three return all wet back structure. 3, before steam boiler, after the smoke box sealed with high temperature are graphite asbestos material, a reliable seal, to ensure that the steam boiler flue gas does not leak when run under a slight positive pressure conditions. 4, pipe thread: the second backhaul convection heating surface of the steam boiler, we used a threaded pipe, enabling the efficient heat transfer. Enhanced heat transfer, thermal efficiency of the steam boiler, a threaded tubular light pipe is equal to 2.4. Fluid flow within the tube wall near the fluid flow velocity is very low, the presence of fluid at the wall boundary layer is called, when the thermal resistance in series of several heat transfer water into the flue gas in the outer tube, the boundary layer the maximum thermal resistance, but the boundary layer is thin, as long as the boundary layer of little disturbance, as in an ordinary pressure in a pipe wall to the boss, the disturbance of the boundary layer, will greatly reduce the thermal resistance, is effective threaded pipe one way. 5, to make the system more energy efficient, continuous adjustment using the water supply, to avoid frequent pump start. During the period, the three-pass water smoke tube leaving a wide space, the pot to ensure natural circulation of water flow. 6, the body safety devices: at the rear of the steering steam boiler chamber is provided built-proof door, the steam boiler ignition and running, if the furnace gas deflagration occurs: timely relief, preventing the furnace deflagration, safe and reliable; as built after take-off will not hurt.