According to instructions, "Neijiang City in 2017 and phase out coal-fired boiler desulphurization facilities construction program of work", before the end of this year, the city built-up area will be fully phased out in Neijiang City, 10 steam tons / hour of coal-fired boilers and a total of 46 units. Among them, a small city in district out of coal-fired boilers 26, and phase out coal-fired small boilers Dongxing District 15, Neijiang Economic Development Zone small coal-fired boilers out of five. At the same time, accomplish four Chuansha Qi Industrial Co., Ltd. Two 20 tons of steam / hour or more coal-fired boiler desulphurization facilities. A ban on new urban area 20 steam tons / hour of coal-fired boilers, other counties (cities, districts) in principle, the new 10 steam tons / hour of coal-fired boilers. Out of the way including demolition scrap, coal to gas, coal and electricity upgrade boiler swap with large capacity.
We understand that the new Neijiang 20 tons of steam / hour for coal-fired boilers built-up areas, the new 10 steam tons / hour or less fixed asset investment projects in other areas of development and reform, economic and information technology departments will not be approved, approval and filing, environmental protection departments at all levels shall not pass environmental impact assessment, quality supervision departments at all levels do not accept the installation told not arrange supervision and inspection, no special equipment issued registration certificate. Quality supervision departments at all levels cancellation of special equipment for the boiler has been out of use registration certificate to prohibit the production of boiler manufacturers boiler does not meet industrial policy.
Taking into account the late boiler repair and remodeling, we recommend that, when the heating area of 150,000 square meters, the total number of boilers does not exceed seven better. In the production of heat load mainly perennial or heating boiler, the boiler can be provided a backup, when the other heating boiler abnormal accident, and regulating, heating will not delay the process. Heating area of tons of gas boiler is about 8,000 square meters, this projection: 150,000 square meters of heating area of 20-25 tons of gas boiler. 1,2 station 10.5MW water boiler; 7MW stage of hot water boiler to foreign markets 2,3; 3,4 station 5.6MW hot water boiler.
Gas boiler gas burner configuration and alarm means if necessary a gas burner in the gas boiler 1, which is what constitutes the? Gas boiler gas burner, in which the configuration, there are mainly the following, are as follows: air supply system: its role is fed certain amount of air into the combustion chamber in order to smooth combustion. The main components thereof, is a housing, a fan motor, an impeller, a controller damper, the damper flap, and the cam adjustment mechanism like the diffuser plate. Ignition system: mainly used to ignite the mixture of air and fuel, the main components thereof, for the ignition transformer and the ignition electrodes. Monitoring system: the main burner is to ensure safe and stable operation of the components included in the main is a flame detector, the pressure detector and the temperature detector and the like. Fuel system: its main role is to ensure the combustion of the burner can be smoothly provide sufficient fuel. Its main components, is a filter, pressure regulator, a solenoid valve, and a fuel such butterfly. Electronic control system: this is mainly to a programmer, and for different burners, there is a programmable matched filter. 2. Gas boiler, it is necessary to install an alarm device? This kind of boiler gas boiler, it is necessary to install an alarm system, because, in GB50041 "boiler room design specifications" in this standard, there is a clearly defined and requirements. So, on this issue, the answer is yes. Further, in the alarm device, for the concentration of combustible gas alarm device. 3.0.5 tonnes of gas-fired boiler, its gas consumption is 40 cubic meters / second it? 0.5 tons of gas boiler, which gas consumption in the calculation, specifically, it is as follows: 0.5 tons gas boiler, its power is about 350KW, converted into heat is 350 kJ / sec. So, every hour that the required heat for 1.26 million kilojoules. If the gas calorific value is 37800 kJ / cubic meter, so that gas consumption is 1.26 million / 37800 = 33.33 cubic meters. Taking into account the boiler efficiency, then, so it should be about 40 cubic meters.
The steam energy-saving boiler is one of many boiler products. It must be used in strict accordance with the standard operating procedures to avoid unnecessary loss of boiler service life and waste and pollution caused by incomplete combustion of fuel. When the boiler room is equipped with several boilers, the distribution of each boiler load should be distributed according to the principle of the highest total efficiency of the unit.
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