coal fired hot water boiler supplies

Corrosion coal fired hot water boiler supplies 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.

Green space to install the boiler needs to meet what conditions environmental protection boiler room should generally be set separately, but can not be located in crowded places. Should be a boiler room, two building fire resistance rating, and not the total coal-fired boiler given evaporation amount of not more than 4 tons per hour fire resistance rating of the building can be three, it should be noted that the chimney and the roof structure of combustible the distance between, not less than 5O cm. Environmental protection boiler room should select leeward or downwind side in the main building. It may be determined and the spacing between the fire around flammable, hazardous buildings, and the coal pile and boiler room, boiler room and oil tank in accordance with the relevant provisions reserves "architectural design for fire protection" is performed. Environmental protection boiler room should be used generally should not exceed 12O kilograms per square meter of roof light area for relief. When the boiler room is arranged as a multilayer, each layer should have both at least one outlet, and the layers have direct security staircases point operation. Leading to the boiler room doors should open outwards outdoor, studio or living room door of the boiler should be open, all entrances and channels should be kept open. However, with the adjoining boiler room regulator, separated by a firewall application, its windows and doors should open outwards, and not leading directly to the boiler room. Environmental slag location to select the appropriate venue, surrounded by the best masonry walls. In the range of 25 meters around the boiler room, not allowed to build buildings or flammable combustible materials piled up. Environmental boiler power lines should be used metal sleeve or cable, not laid along the surface of the heating medium, nor by the coal yard. Indoor prohibit stacking combustible materials. Environmental chamber should be provided with fire boiler water supply equipment, fire suppression systems, fire suppression equipment, and the like according to need.

Recently, many users of the phone does not know how to shutdown after the steam boiler maintenance, boiler maintenance is very simple in fact, today we explain the steam boiler and coal fired hot water boiler supplies shutdown after: After the steam boiler maintenance shutdown method how maintenance. Since the cause of boiler failure or power shutdown required boiler, a steam boiler before travel should stop combustion boiler, the boiler slowly lowering the temperature until no pressure boiler, should pump before shutdown, induced draft fan and turn off the blower. After the maintenance shutdown home for boiler, furnace divided into external corrosion and home for the pot. Pot corrosion enjoying, enjoying their home for two kinds of wet and dry selected based on the length of shutdown time. When long-term disabled boiler, furnace should be paid close attention to external corrosion problems take care of themselves. First, the boiler shutdown cooling is necessary as far as possible completely eliminate fouling and ash grate heating surface of the upper, the lower portion of the furnace. Then have to adhere to certain natural ventilation flue. Under normal conditions, should be placed to dry moisture-proof agent in the furnace, flue. The dry quicklime as used, the furnace or the flue gas per cubic meter of ordinary should be placed about 3kg. After placing all the ventilation should be tightly closed doors. Lime powder to change after change. Such as boiler rooms in low-lying position, the air during shutdown severe flood tide, the method should be used regularly and placed a small fire to dry dry agent phase separation. If the boiler boiler long time, in order to thoroughly clean the soot topcoat red lead oil furnace or other metal surfaces in the anti-corrosion paint. As for the way home for corrosion inside the furnace shutdown, the shutdown Yaoan the length of time to be. Under normal circumstances, no more than one month shutdown of the available wet home for a month or more should take care of themselves dry. Dry to pay attention when enjoying the following questions: Do not dry agent in direct contact with the metal outer boiler, can be housed in a container such as an iron plate; dry agent after standing, for shutting the hole and the other hand hole cover, the vapor, the water pipe necessary to cut off valve; variant lime powder should be replaced. While enjoying wet, to pay attention to boiler water condensate is preferably used, followed by the available existing boiler water, demineralized water again; after adding the base, with a slow fire boiler water is heated to 80 [deg.] C to 100 the pressure rose to 0.2 maintenance after 0.3MPa 2 to 3 hours, so that it reaches the furnace circulating water alkalinity balance, pressure is reduced, then fill the boiler water, a certain gauge, and continue to adhere to this pressure throughout the home for alkalinity should be regularly tests, decreases should be added at any time; in winter, wet enjoying pay attention to antifreeze, especially the local sewage channel and economizer; before re-use should release all the pot boiler lye, best prepared sump, in order to facilitate further use. At the same time should be rinsed with clean water. The performance characteristics of coal, oil, gas steam boiler

Such as hotel Home Hotel Group is one of the three major brands, in 300 cities in the country has nearly 2,000 hotels. Home Inns has won China Golden Pillow Award for Best Chinese economy hotel chain brand award, in 2014, Home Inns brand value of $ 420 million of selected China's top 100 brands. April 4, 2016, BTG hotel groups such as the privatization of the hotel purchase transaction has been completed delivery. In mid-2016, as a Beijing hotel with our preliminary communication, the urgent need two boilers work of heating and hot water supply. I related technical engineers and recommend it to calculate the number and size of the boiler on the hotel room as hotel Willy sharp V6-99 two models.

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