wns series natural gas fired 4 ton steam boiler

wns series natural gas fired 4 ton steam boiler

Gas furnace gas and steam steam steam importance gas gas gas wns series fired 4 ton steam boiler steam importance furnace gas and steam must sample tests, measuring visual quality of heat transfer fluids, flash point, viscosity, acid, water, and carbon residue, and certificate of quality manufacturing plant to provide heat transfer fluids are consistent, but also provide the basis for future changes in the operation of medium quality monitoring. Means passing the tests of the gas-steam heat transfer fluids using pumps to transfer fluids within the furnace and the injection of hot expander. When pumps heat transfer fluid to the injection system, should check again the furnace, heating equipment, piping system drain valve, drain valve is closed, in order to avoid loss of heat transfer fluids. While the exhaust pipe and the valve opening on the furnace one by one, to exclude air, until a closed gas steam flows. It stops when the oil level gauge appears on the expander injection heat transfer fluids, and then start the circulation pump, for circulating cold.

Classification bottom side Henan hot water boiler fuel boiler fast small as we explain the use of hot water boiler fuel What are assembled into a notebook-type water tube furnace control panel, all of the action are stored on the smart chip, maintaining a furnace automation, intelligent, intelligence and personalization, to keep the Zidongkongzhi furnace temperature. This hot water boiler is the energy conversion facility, the type of kinetic energy of the furnace with a fuel chemical energy, electromagnetic energy, heat energy, etc. smoke, and after converting furnace, must be provided outside the output energy of steam, hot water or inorganic heat carrier. Gas boiler effect ignition system and fuel gas is ignited depending on the compound, the key member includes: an ignition transformer, electrical ignition stage, electric high-voltage cable fire. Compare Security Council this ignition system called electronic pulse ignition, such as natural gas is Zhuoyi energy-saving boiler manufacturers widely used. Its convenient and save time, as long as the finger can be pressed, and high safety factor, because life is not prone to production safety accidents death Xihuo arise, if the situation Xihuo appears, immediately turn off the control relay, off-gas loop . Computer processing furnace boiling hot water boiler part of the control panel, all functions are stored on the smart chip, maintaining the automated, intelligent and personalized furnace, furnace temperature to achieve a Zidongkongzhi. Automatically terminate the heating temperature is too high; the display font size to display the temperature, boiler water temperature straightforward. Exceeds the temperature was warmed automatic termination; display font sizes that vary depending on temperature, the furnace temperature simple. 2. boiler water temperature can provided 10 ℃ ~ 100 ℃. The furnace can not only produce bath with boiling water, boiling water can produce consumption, either to the furnace, but also to the furnace. 3. The top vents under the furnace wall, furnace in the non-pressure situation, the explosive risk-free, bare metal provisioning with over-temperature maintenance (inside the furnace when the temperature is high, heat pipe automatic termination of work to do, and came bee song alarm). Again when maintenance overtemperature (secondary circuit is automatically disconnected when the temperature exceeds 105 ℃ furnace shell), and less water to avoid air burning maintenance (water is less than when the furnace is very low amount of water in the secondary circuit of the furnace shell temperature exceeds 105 ℃ auto-off), when the water is less than the low water furnace automatically disconnect the secondary circuit, the furnace terminate work to do and came buzzer alarm) and other security Council safeguards. Much of this hot water boiler is converted from a hot water boiler is made early, it should belong to the ecological pot of water through the bad within the furnace. To ensure the safety and reliability of the coefficient of water circulating furnace, the furnace has to be a predetermined aspect ratio, and thus a large volume of such a heating furnace, the steel consumption and to enhance profits depend.

The main structure of the internal combustion boiler detail: In the combustion boiler is a main flue of all, combustion residue after combustion of the fuel without directly heating the surface of the mixed working fluid is heated and the flue gas, together with steam as the working fluid work output of method of operation, high efficiency boilers. The internal combustion boiler thermal industry is part of the production of steam. Next to be described in detail the structure of the main combustion boiler: a boiler shell, the pressure receiving member is an important potshell shell type boiler, it is the role space for storing water and soda and steam are separated place. In shell type boiler, boiler shell placed combustion chamber (furnace) and the heating surface, the effect of which was underway boiler body. Potshell cylindrical container is made of welded steel sheet, we split it into three parts: the cylindrical portion is an intermediate portion, both ends of the tubesheet portion is simplified, and some people open end of the tube sheet hole. Simplified by the two or more tube sections butt weld made, the minimum length of the barrel section is not less than 300mm. When the boiler is greater than the inner diameter of the shell boiler 1000mm. Simplified access potshell wall thickness should be not less than 6mm, inner diameter of the shell when the pot is not more than 1000mm, simplified access to the boiler shell thickness is not less than 4mm. Both sides of the drum and the tube plate is connected to the boiler shell simplified, many small holes drilled in the tube plate, through the hole in the fire tube. Front tube plate further defines a larger hole furnace connected. There are many simple pan upper takeover, which takes over a main steam valve, safety valve, manometer, water gauge and the like. Pan with water separator housing interior, surface sewage, and the like into the water. 2, furnace, furnace boilers are specific shell type pressure element, inside a furnace combustion chamber, the outer coating from the boiler water. Furnace outside the furnace by the water pressure. Therefore, it is the worst working conditions the pressure element shell type boiler. Because the furnace by the high temperature flame burning, the temperature is higher than the temperature of the boiler shell, its thermal expansion problems particularly prominent in the boiler fuel, the oil combustion temperature is high, a high furnace thermal strength, severe temperature changes, there is required furnace good performance thermal expansion and contraction. General furnace are made waveform. And some shell type boiler or furnace to a flat circular flat circular shape Singapore. 3, fire tube, the main fire tube boiler heating surface of the boiler shell. Generally use is made of boiler steel φ51mm ~ φ102mm, the front and rear tube plate by welding or play mode coupled expanded joint, when Expansion, connecting the fire tube and inflation port after inflation tube plate using 90 ° pull side contact. Front and smoke at a relatively low temperature plate, inflation bell mouth pull side can be connected. When a welded connection, in order to ensure sufficient bonding strength, and the tube end is not overheating, the tube end projecting required length of the tube plate is not less than the wall thickness plus 1.5mm, but not in excess of the connecting seam 5mm. Imported oil-fired boiler, and some in the furnace exit, fire tube to tube sheet welding connection. But in other parts of the fire tube to tube plate with flange 90 connected to the expander. Effect is produced outside the smoke tube of the tube furnace heated by flue gas through the combustion water in the tube, in order to gradually generate steam, also called "squib." Generally have the following forms: a straight barrel, also called "light pipe", the advantage of a small light pipe smoke resistance, the disadvantage is fouling the inner pipe easily. Heat transfer effect is also poor. Light pipes are typically seamless steel tube, but also useful for welding boiler tube inlet. Another is a threaded tube, which is pressed inwardly out of a recess in the seamless pipe, it seems like a thread, so called "threaded pipe." The advantage is that the flue gas flow within the tube, changing the flow cross-sectional area, the flow velocity of flue gas is also changed and swirl effect. Therefore, it is better than the light of the heat transfer tube and hard fouling. The disadvantage is greater than the resistance through the light pipe has a certain velocity before the flue gas swirl effect more obvious. The third is to add steel wire or steel wire to the formula Fu light tube. It is a light pipe inside the tube into a tube-type inflammation oxidation resistance good steel wire, inside the flue gas flow at the fire tube, steel wire plays a role similar to the threaded tube. If you want to fire tube cleaning, can easily be removed steel wire, steel wire and light pipe are more convenient cleaning. This form of fire tube easy to manufacture, simple maintenance. In order to maintain the strength of the tube plate, according to strength calculation, be reinforced hole in a predetermined position region of the tube plate. Specific fire wall is thickened, with a thick-walled welded tube to tube plate, so that both as reinforcement, acting also as heating surface, the thick-walled tubes referred to as "bracing tube."

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).

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