industry coal fuel low pressure hot water boiler

industry coal fuel low pressure hot water boiler

Anyang City Children's Welfare Institute, director of the other fast condolences Group thanked welfare Xiqianxinzhi just for my company still insisted to visit the children feel very warm and happy. Fang Group, as a caring corporate fast, for five consecutive years of uninterrupted adhere to visit the orphanage children, and brought them all kinds of necessities and school supplies to children's lives to bring a dash of color.

Today, the principle of steam boiler and the construction of steam boiler too many forms, take an ordinary fast-packed 4-ton steam boiler. Water is heated into steam in the drum and heat is emitted by fire in the furnace, which is the principle of the steam boiler. Say the boiler first the pot. The boiler is a drum boiler with water cooling. Two return pyrotechnic tubes are arranged in the left and right parts of the drum, and the front cigarette box in the front part of the drum is turned back. Between the drum and the bottom box, there is a drop tube and a water-cooled tube, forming the frame of the combustion chamber. There is a steam separator on the top of the drum to reduce the water produced by steam. The heating surface of the boiler body is the lower part of the drum, the water-cooled pipe and the Pyrotechnic pipe The combustion part is composed of a chain grate and a drive device, and a combustion chamber composed of a boiler rack on the grate frame. Surrounded by refractories. Coal from coal hopper, there are coal gate to control the thickness of coal seam while sealing the front of the air. The lower part of the combustion chamber is the place where the blast enters, and this kind of boiler has great resistance and needs forced blast. Cinder, discharged from the back of the grate through hawk iron and sent out of the furnace by the slag extractor. From the back of the boiler, the flue gas goes forward from the first return pipe of the boiler, the second return pipe returns to the rear part of the boiler, and then goes into the dust collector to separate the ash, and then through the draught fan, it is discharged from the chimney. The induced draft fan not only discharges smoke, but also It is necessary for the negative pressure operation of the boiler. Essential water level gauges, pressure gauges, safety valves, thermometers, electric pumps that can replenish water under pressure, and steam pumps that can also be used in the event of power outages. Boiler water must be softened and water treatment equipment. Steam boilers are force vessels and safety devices are necessary. All steam boilers can work better only in accordance with the correct operating methods.

Corrosion industry coal fuel low pressure hot water boiler hot water boiler is the main production of hot water, installed in the hotel, baths, hotels and other places, and therefore can not be avoided microbial corrosion in the air, but there are some factors that lead to corrosion of equipment, gave the following corrosion we introduce equipment: 1, constant pressure expansion tank and the boiler is inconsistent: expansion tank provided on the third story height is less than 15 meters, but the constant pressure of the boiler 2,5kg / cm2, the result is held fireman 2 , 5kg / cm2 working pressure indicators, regular replenishment, the water overflows into the ditch for no apparent reason, that water fees and expensive coal. 2, no maintenance shutdown boiler outage after the heating period, some filled with soft water boilers, boiler and some exposure to the atmosphere, the lack of necessary maintenance. 3, a relatively fast flow rate ① of the entire process also needs to be done using the corresponding control of the respective flow velocity, because during use too fast or too slow in the boiler water flow rate will be such that there are different crossing rust. ② When the water inside the boiler would cause excessive diffusion rate of various substances contained inside the boiler becomes faster, this situation will be such that the angle of the underlying boiler corroded velocity have a certain upgrade. ③ When the flow rate is too slow water inside, so that it will overflow the phenomenon of gas generation, these gases normally overflow adheres to the inner metal wall of the hot water boiler, the boiler portion of the metal over time will corrosion phenomenon. 4, does not control the amount of leakage of water supply hot water system is generally not more than one per cent of the water capacity of the system, but some have mistaken equipment, the use of hot water on the convenience, the hot water system used for bathing, washing clothes etc., a 2.8MW and pay hundreds of tons per day. 5, the hot wire mounting network failure, the user can not send the circulating water system ends. Some users in order not to be cold, to increase the number of air emissions, drainage to hot, not to cool row, the result of increasing the amount of leakage. The main reason for hot water boiler corrosion occurs on the user, their lack of cleaning and maintenance of the equipment, can also lead to serious device can not open, so we want to do in the course of its maintenance, regular waxing or lubricating coating oil.

Small series to introduce horizontal steam boiler 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.

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