Water Tube Packaged Boiler Coal Fired

Water Tube Packaged Boiler Coal Fired

Comparison on electric water tube packaged boiler coal fireds and gas boilers analysis that is both: a wide range of aspects of the early vote gas than electric boilers cheap, how much detail should be distinguished from gas boiler brand size, with or without condensate recovery and technical maturity of all determine the price of gas boiler; brand electric boiler, the applicable type, excellent technology, quality products; create two related conditions, such as plumbing, gas station; select high and low voltage electricity, create distribution and so on. If you choose gas boiler, gas pipeline itself, it does not demand an opening fee (usually about opening expenses 100 000), if the price of natural gas at a relatively high number, it is uneconomical, though you used to buy a cheap gas boiler, but all the cost is still reasonably high, and the gas boiler full of danger, high demand for security measures. If you choose electric boiler (that is, the kind of electromagnetic boiler instead of electric heating), capital of electromagnetic boiler itself is relatively high, after all, is a product of modern, high-tech, itself is not high-tech gas-fired boiler. If a region of relatively cheap price, it is highly recommended to use electric boiler. Plus electric boiler is the new environmental protection equipment, all kinds of pollution does not occur is in line with the development trend of the times. Fully automated equipment, personnel do not need guards. Calorific value gas in a wide range of heating season / purity of non-compliance (even if the contract explicitly re-appointment), and the calorific value of more basic electrical 1: 7, the proportion of LNG to be higher, lower coal bed methane (calorific value is multiplied by the thermal efficiency of the device ). In this case, saving electricity than gas about 1/3, according to the grapevine, is expected this year, Liaoning low power dropped to less than 0.3 yuan (business), that electricity than gas savings will exceed the estimated half. Other regions such as Xinjiang, Inner Mongolia, are relatively low price, is very suitable for power boilers. It covers an area of ​​respect, if the gas to create a gas station, then it must be a space-saving electric boiler and electric boiler is the basic module assembly, covers an area of ​​very little, according to the actual situation; and gas boiler explosion venting port and must demand of security area. Natural gas boiler manufacturers comes from the power point of view, electricity is no waste, waste gas, waste water, renewable power, gas emissions is still there, petrochemical and power is not renewable, although countries in the generosity of view, the price decline in space more large, but also more conducive to the use, in particular, Valley electric. Ultimately, if it is 30 000 m2 of non-continuous heating conditions (such as schools, shopping mall, office, public venues, factory, warehouse, etc.), advocated choose electric thermal storage boilers, the best choice for 10kv high voltage device, you can save some investment, and the province as well as policy. But if the area is less than 10,000 m2, the election 0.4kv low-voltage equipment is also good. Equipment and electric boiler is automatic operation, do not need special duty, usually around six meters do not consider lifting frame height coefficient, the heating time can be self-control, these areas are relatively municipal district heating is also very advantage. So gas boiler and electric boiler has its own advantages, depending on the actual situation in each region to decide, but to distant viewpoint in terms of selecting the electric boiler is still relatively cost-effective. In recent years, due to air pollution, coal-fired boilers were fire. Gradually immersed in people's day sideways fuel gas hot water boiler. But coal-fired hot water boiler fuel to bring our lunch together, but also brought us a little problem. That's hot water boiler should be how to maintain? Below small way to tell us hot water boiler maintenance: 1, according to the water quality around, once every six months cleaning operations, the eradication of hot water boiler scale, otherwise, simple convection tube fouling, resulting in convection duct obstruction and burn. 2, if found suction force reduction furnace, the furnace should be cleaning, the furnace door, or in the neck of the chimney with a rubber hose running water flushing. Scale furnace can be opened to eradicate the use of at least 1 year after the manhole survey scale thickness, plus cleaning detergents, can also be added 5-10kg caustic soda or hydrochloric acid 24-36h, add boiling furnace furnace cleaning wash. 3, the operation of the boiler water or hot water to stop the combustion of dry, to avoid the formation of disturbances, severe dry furnace if found, immediately interrupted heating boiler After cooling, to identify the reason, troubleshooting. Must not the temerity to add water, avoid cracking furnace hit. 4, when the winter shutdown, it is necessary to put the net water furnace, hot water boilers to avoid freezing. 5, when the summer without hot water boiler, furnace should put the net water, dry curing with lime. 6, hot water boiler operator skill necessary to operate, grasp the hot water boiler functions, procedures and processes, to eradicate illegal operation.

Hebei Cangzhou issued a "special program on the implementation of standards of governance water tube packaged boiler coal fired." Emission standards for boiler treatment and corresponding indication made, as shown in details as follows.

First, the standard standard coal-fired boiler

1, before the end of September 2019, within the city of more than 35 tons of steam / hour ultra-low emission coal-fired boilers complete transformation, emissions of major pollutants to achieve ultra-low emission standards (dust ≤10mg / m³, SO2≤35mg / m³, NOx≤50mg / m³).

Before the end of the year 2/2020, the city eliminated 35 tons of steam / hour and coal-fired boiler, stove and stove operating a small coal stove, achieved within the city 35 steam tons / hour and the boiler "No Coal." Reserved 35 steam tons / hour and coal-fired boiler, stove and stove operating a small coal stove implementation of the special emission standards (dust ≤30mg / m3, SO2≤200mg / m3, NOx≤200mg / m3).

Retention of more than 35 tons of steam / h coal-fired boiler to install air pollution automatic monitoring facilities and networking with the environment department, to install a distributed control system (DCS system), real-time monitoring of pollutant emissions.

Second, gas-fired boiler

1, before the end of September 2019, the city completed two-thirds of the total number of units of low-nitrogen transformation gas boiler above. Among them, the central city of all gas-fired boiler and all the city's industrial and commercial gas-fired boilers to complete a full rebuilding mode low nitrogen.

2, the end of June 2020, the conventional gas boiler should be completed by transformation of a low nitrogen combustion, soot, sulfur dioxide and nitrogen oxide respectively 5mg / m³, 10mg / m³, 30mg / m³.

Third, the task

1, increase clean energy alternatives. In areas not covered by central heating pipe network, and vigorously promote geothermal, wind, solar and other clean energy, in an orderly way from coal to gas and coal to electricity, to change the power-based. In 2020, under the conditions of gas supply has been guaranteed, the city eliminated 35 tons of steam / hour and below the coal-fired boilers.

2, increase the coal management and control efforts. Coal infrared video monitoring devices to increase coal quality sampling efforts, to retain the blast furnace coal-fired boilers to be installed, Hebei coal to meet local standards "Industrial and domestic fuel coal" (DB13 / 208102014) non-coal power generation industry quality indicators .

3, strict new boiler access. Ⅲ class urban area and high-pollution fuel combustion zone ban municipal government designated a ban on new coal-fired boiler, a citywide ban on new 35 steam tons / hour and coal-fired boilers, the new 35 steam tons / hour of coal-fired boilers must in line with the municipal government of central heating planning or construction of industrial parks planning, energy efficiency reached AQSIQ "energy-saving technology supervision and management procedures boiler (TSGG0002-2010)" requirements, encourage the use of "energy efficient boiler promotion List" reached the level of energy efficiency standards boiler, pollutant emissions to meet emission standards require extremely low.

Be careful when selecting pressure hot water water tube packaged boiler coal fired which cold days, just use pressure hot water boiler can feel as warm spring, enjoy the convenience of hot water. Extra large hot water boiler quality of life greatly improved. Pressure hot water boiler easy to use, but at the time of purchase the user must also confused how to buy, so the need to pay attention to what needs to select pressure hot water boiler For detailed understanding of. 1, when determining the use of boiler pressure hot water boiler purchase, you should consider using a different environmental requirements. If the client needs heating, you should choose a dedicated pressure hot water boiler is heated by circulating hot water in the hot water pump recycling. Back to the radiator, i.e. a heat sink, to deliver heat to every corner; hot water only, select a particular hot water, hot water circulating through the pump, hot water tank of hot water circulating in the hot water supply; number of users need to have two choices, so they have to choose to increase the heat exchanger in the piping system, so using two atmospheric pressure hot water boiler. 2, the heating area is determined, the amount of water by the calculation cycle, the required amount of hot water, boiler design used to determine the heating area or field. Accurate and scientific calculation and design can meet the requirements, without wasting resources. 3, to determine the fuel, boiler pressure hot water boiler style, coal or natural gas hot water boiler in three common, the boiler is electricity, gas hot water boiler coal or natural gas as an energy source. When selected, you can choose your own needs or favorable conditions. As long as meet the requirements of the boiler room, the style of choice should be simple and suitable for horizontal or vertical.

Steam water tube packaged boiler coal fired When should an emergency shutdown when the steam boiler Shanghai encountered the following situations, gas boiler manufacturers need to take emergency shutdown measures: (1) When the steam boiler water level gauge water level drops below the lowest water level, through the "call water when the "law also failed to see the water level. (2) increase the boiler when the water level continued to decline up time. (3) water supply system failure, unable to supply water when the boiler. (4) water level gauge and a safety valve failure, can not guarantee the safe operation of the boiler. (5) When the control valve and the drain valve malfunction when closed lax. (6) when the pressure receiving surface of the waterwall tubes or boiler smoke tubes bulging or cracking occurs, the furnace wall, collapsed down occurs when the front arch. (7) In case of failure of a safety valve, pressure gauge displays the boiler overpressure operation. When by the above situation, should immediately shutdown, should turn off the blowers, the door opened quickly, quick rotation of the grate, the furnace temperature is lowered to withdraw the fire, the coal supply is stopped. When the boiler overpressure, open the emergency vent valve provided on the sub-cylinder is discharged down. When the furnace severe water shortage, should not panic, in order to avoid operational errors. At this time, non-watered furnace. Then reduce oven temperature to find the reasons to be processed.

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