industrial 2 ton hot water boiler for hotel

Fangkuai Boiler is a clean-up boiler equipment based on various excellent scientific and technological advancements, focusing on product development, manufacturing, and manufacturing that are more efficient, environmentally friendly, and energy saving, and meet the basic national conditions of environmental protection in China. In order to promote the rapid development of the heating furnace manufacturing industry, people-oriented, consider the specific requirements of customers in the manufacturing industry for heating furnaces in various industries.

The reason industrial boiler explosion and the cause of industrial boiler explosion hazards and hazards? For chemical plant before use, it must be to raise awareness of prevention. So as to avoid unnecessary losses to yourself. During boiler operation, the pressure exceeds a predetermined pressure to certain parts of elements, the thin portion will suddenly break, crack out immediately stored in the pot will be full of steam. In an instant, a pressure drop equal to pot the external atmosphere. At this time, since the momentum intense, so that part of violent boiling pot filled with water, the expansion, a small part of the whole pot steam also will be warmed, a pressure rises again, further expansion gap. Because full of water and steam in the rapid expansion of one-tenth to twenty second, when gunpowder exploded just as the rapid expansion of the gas, they become a powerful shock wave, with great destructive power. When the boiler explosion, due to the bursting of steam and water has a very high speed, or when the front portion in contact with air, will have a huge reaction, or moves off the boiler in the direction of the reaction force, rolling. Vertical boiler mainly in the blast site and calf ring potshell welding, explosion, steam, the water jet, and then pushed up Boiler fly. Horizontal boiler explosion member burners or more in the weld of the tube plate and the drum, the drum in contact with the combustion. When the explosion occurred, steam and water splashing forward or backward or downward, parallel to the fly boiler, boiler and rolling at the scene. A boiler explosion released energy is only a small fraction of the steel sheet to tear the boiler, in addition to steam and debris and the pipes, valves and the valve body is connected to the boiler, the energy transfer most of the other great shock wave in air, causing a large number of peripherals, badly damaged buildings, as well as the formation of casualties.

Technical characteristics premix condensing boiler furnace condensing premix premix combustion characteristic technical features: refers to a gas burner thoroughly mixed with enough air prior to the burner, it is no longer necessary to supply combustion air to the combustion process . 1) the combustion flame characteristics: flame propagation speed, high strength hot combustion chamber volume, generally up to 28 ~ 56x103kW / m2 or more, the excess air coefficient is very small, typically α = 1.05 ~ 1.2, the combustion temperature is high, low nitrogen oxides emissions. But poor flame stability, prone to tempering, tempering is prevented, so that as the gas flow velocity to be uniform field, to ensure that the air flow velocity at each point are greater than the flame propagation speed at the lowest combustion load. At the same time, a uniform air distribution surface also ensures the uniformity of the burner flame to avoid flame on the burner surface is too long, contact with heat exchanger surfaces resulting in incomplete combustion. 2) premix combustion mode effective to reduce the emission of pollutants, such as: the reduction of nitrogen oxides, carbon monoxide emissions. Features condensing heat exchanger of the main characteristics of the entire cast aluminum water-cooled design, the combustion chamber is surrounded by watercourses, effectively absorb heat, cooling the flue gas. The thermal conductivity of aluminum is 8 times that of stainless steel (aluminum: 130W / m ℃, stainless steel:.. 16.2W / m ℃), it gives greater leeway in the design of the combustion chamber and waterways. The corrosion resistance: aluminum is a reactive metal, under natural conditions, the aluminum oxide surface layer can be formed of a dense, acidic corrosion can be effectively prevented from corrosion and oxygen. China's abundant reserves of aluminum, lack of demand, leading to low prices, low melting point of aluminum, with a high fluidity at high temperature casting, casting and machining good performance. Flue gas top-down, bottom-up flow. Aluminum heat exchanger in a combustion chamber with a needle-like protrusions, grooves waterways with a heat exchanger, to optimize heat transfer effect, and effectively increase the heat load of the heat exchanger unit.

(1) open the door for emergency drain drum should be put to the normal water level water level shut down immediately.

(2) The steam temperature, the heated reducing or closing off the small door, door open and main steam superheater tubes hydrophobic hydrophobic gate.

3, when the boiler full of treated water drum water level continues to rise, and exceeded the upper drum level table when the water level is visible, the need for emergency shutdown, as soon as possible with the main pipe splitting, immediately stop the water, recycled to open doors, to strengthen boiler drain, and note the emergence of drum water level gauge upper water level, the water level to be put to the normal level after closing. After the normal Standby furnace, obtain professional fireman who consent, it may furnace stoked operation.

4, such as the water level in the steam drum water level tables invisible, not in time, should take the following measures:

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