Cause the horizontal boiler in africa normal outage due to natural blood pressure steam having a saturation temperature at a certain constant pressure, when the pressure change, the saturated water and saturated steam temperature change accordingly. If the boiler shutdown pressure drops too fast, the saturated water and saturated steam temperature dropped significantly. Due to the high rate of change of pressure saturation temperature at a lower pressure, because the saturated vapor in contact with the drum wall, the lower wall in contact with saturated water vapor than the thermal conductivity of water is large, the heat accumulator drum lower wall water to pass quickly the drum wall at a temperature close to the saturation temperature at the new pressure after the pressure drop, and poor heat transfer walls of the drum to maintain a higher temperature, the drum wall temperature is higher than the wall temperature, the faster the vapor pressure drop, the drum, the greater the temperature difference between the lower wall. Simultaneously vapor pressure decreased too fast, which also decreases the saturation temperature corresponding to accelerate the wall temperature waterwall, economizer header and the faster decline, due to the rapid cooling, the contraction will have a great thermal stress, local joint, at the weld easy to crack, so the boiler outage to take normal blood pressure naturally. When the normal flame boiler shutdown, soft drinks all doors should be closed, closing dampers, Manhole the boiler is in the closed state, allowed to cool down.
Difference pressure hot water horizontal boiler in africa and pressure hot water boiler (1) boiler pressure hot water boiler heating system is pressure equipment, with a risk of explosion. The boiler pressure hot water boiler heating system is not under pressure, always open to the atmosphere so that the boiler will not explode in any case, good safety performance. (2) pressure hot water boiler is full of water, there is no level control problem. Pressure hot water boiler water level control problems. The boiler drum is full of water, still connected to the top of the box opening, there is still water level control problems. (3) pressure hot water boiler to be fitted with a pressure gauge, safety valve and thermometer, because the boiler always is full of water, so no water level, water level gauge and thermometer and only pressure hot water boiler, boiler and air because the same, the pot is always pressure to atmospheric pressure, there is no danger of explosion, it is not necessary to install a safety valve, pressure gauge can not be installed. Circulating pump (4) pressure hot water boiler heating system is sent to the return pumping systems engineering boiler, water pump is generally used. It has to overcome the resistance of the systemic circulation, but also to maintain a certain pressure boilers, boiler water at high temperature to ensure that no vaporization. The boiler circulating pump water heating system pressure is pumped from the boiler, the heat pump is the pump that functions to overcome the resistance of the system, mainly to overcome the resistance of the valve regulating backwater. (5) Supply of low pressure hot water boiler not only water, but also for high-temperature water. Pressure hot water boiler can supply the low-temperature water of less than 100 deg.] C.
Workflow is a horizontal boiler in africa waste heat boiler or heat in industrial production the use of post fuel released by combustion is transmitted to water in the container, the temperature (hot) water or achieve the desired constant pressure of the steam heating equipment. It is a "pot" (i.e. pressure boiler body portion), "furnace" (i.e., combustion apparatus portion), a totality accessory instruments and ancillary devices thereof. Boiler two parts "pot" and "furnace" Meanwhile, after the water into the boiler, soda system heat boiler heating surface will absorb transferred to the water, the water heated to a certain temperature and pressure to generate steam or hot water, is drawn application. In the combustion apparatus part, continued burning of the fuel releases heat, high temperature flue gas produced by combustion heat propagation, heat transfer to the boiler heating surface, the temperature was gradually lowered itself, and finally discharged from the chimney.
Hot water horizontal boiler in africa is the essential equipment of our hotel, one of the parties to provide fast condensing pressure hot water boiler immediate operational effect. Our demand for environmentally friendly and out of the hotel itself, very high environmental performance requirements for boilers, party fast products fully meet our needs, the index after testing are in line with the relevant provisions of the State; with the outside atmospheric pressure remains stable sufficiently improved security index boiler, eliminating our worries. --customer feedback
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