szs oil and gas steam boiler combustion

Dairy production and processing sectors, need a lot of steam on food drying, sterilization, stereotypes, such as processing, szs oil and steam boiler combustion essential. Xinjiang Ake Su Xinnong Dairy Co., Ltd. as a local brand, has a large market users. 2016, Akzo increased demand for dairy production, the original steam boiler company can not meet today's production needs. In the same year, Akzo dairy cooperation with our company, signed a series SZS 6 tons of steam pipe steam boilers, steam support for the dairy industry dairy production Aksu.

Small series to introduce horizontal szs oil and steam boiler combustion steam boiler arch horizontal tube plate with threaded pipe drum composition, high heat transfer efficiency, boost fast enough output, high overload capability, hard fouling smoke tube. Today, let us together look at it. Horizontal welding binding sites steam boiler using high-temperature region and large machining bundle special treatment to ensure the welding quality and service life. Flammable, widely used fuel, burn bituminous coal, anthracite coal, firewood, industrial waste, organic waste and so on. It solves the problem of tube plate crack, eliminating the dead zone at the bottom of the drum, good water cycle effect, prevent the lower drum drum kits. Horizontal steam boiler compact structure, small dimensions and saves capital investment, easy installation, tipping valves, and piping to run hydropower. Stable, easy adjustment, the unique design of air sealing, bank up a fire a long time. Times atmospheric pollutants are oxides of dust, sulfur and nitrogen contained in horizontal steam boiler flue gas, which can achieve emissions targets Protection index when a predetermined number of times to unpurified. These substances emissions control combustion pretreatment, improved combustion techniques, dust removal, desulfurization and denitration. By means of a high chimney stack can reduce the concentration of pollutants in the atmosphere of the area.

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."

Combustion characteristics and operation of szs oil and steam boiler combustion steam for steam boilers everyone know how much will the following to let everyone have a preliminary understanding of the steam boiler by two aspects, but also hope to give a friend wanted to buy a steam boiler of some help. Chain-type layer is generally fixed combustible fuel steam boiler chain grate or a grate (the traveling), it is fixed only for small coal-fired boilers. The most commonly used medium-sized coal-fired boilers or for chain grate, as the chain travels will gradually sent to the tail of the coal grate in the process of moving complete fuel combustion tube from the inlet to the lower part of the grate grate internal supplemental air required for combustion, ignition top-down, no ventilation grate uneven seam and around the relative movement, through non-flammable. After heating area of ​​the heating flue gas temperature of the working fluid designed to flow through the same furnace hot flue gas and heating surface arranged in the other exhaust flue boiler. Incidental chain grate type, scale type, beams, and other means, the current domestic applications mainly for small and medium-sized joint type and scale type chain grate, generally large chain grate beam type. Former steam boiler steam boiler system to start all waterproof steam cylinder valve open, let go condensate. The inlet steam valve slightly open, to warm up the cylinder, drain cocks to be out after closing the steam, drain cocks. The steam valve was then opened progressively larger until drainage tank vent cock and water out there, and closed vent cock drain cocks. Turn on the water supply valve to the boiler feed water. Steam boiler in operation if there is gas in timely attention tank, water tank periodically open the air discharge valve, in order to avoid air resistance tank, the influent. Pump flow regulator bypass should be adjusted to achieve the degree of opening of the valve, and not with a method of adjusting the outlet valve is adjusted. At the rated discharge pressure of the pump, which inlet pressure should not exceed a predetermined value. Inlet and exhaust pressure difference should be maintained within a predetermined range. Steam boiler steam valve should be shut down first, then turn off the water valve and turn on the water valve is open, then turn on the water faucet open the lower part of the tank and cylinder, the cylinder water drain. Of steam cylinder reciprocating pump, which cylinder two stroke difference should not exceed 5% of rated travel.

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