First, the economic advantages and a gas heating hot water fire tube boiler, because gas in the ash, low sulfur and nitrogen than coal combustion, very small amount of dust in the flue gas, the gas discharge apparatus is easy to meet the state required standard, can greatly reduce the pollution of the environment, good environmental performance. 2, the absence of gas boiler heating surface contamination, slagging, wear problems, so you can use a high-speed cigarette, to reduce the size of the convection heating surface. Such fumes away less heat energy, thermal efficiency of the boiler is also higher. 3, the attachment device does not require gas boiler gas, slag, dust removal machine, grate like, saving the boiler equipment investment. 4, due to the use of natural gas piped gas boilers for fuel, gas boilers do not need fuel storage, saving transportation costs, storage space and labor management, and many other costs, so the cost of this off than coal-fired boiler more affordable. 5, the boiler operation, regulation and reduce heating costs. 5.1 gas heating boiler load adaptability, in accordance with the load (water temperature) flexibility to adjust the size of the fire. 5.2 System start fast, reduce the consumption of all kinds of preparatory work brings. 5.3 Due to the small less ancillary equipment, power consumption is lower than coal-fired boilers. 5.4 less gas inside the magazine, high and low temperature boiler heating surface corrosion does not occur, boiler continuous long run, less failure. 5.5 accurate gas metering simple, easy to adjust the amount of gas supply. 6, in reducing equipment maintenance, gas burning boilers coefficient simple equipment, thus requiring less maintenance equipment maintenance, long life heated tube. 7, gas-fired boiler simple to operate, easy to achieve automatic control. Second, the environmental benefits of gas boilers: gas boilers due to the combustion of fuel in the combustion process, and clean burning, non-polluting emissions, is by far the most environmentally friendly energy sources. Coal combustion emissions containing sulfur and ash content are more environmental pollution more serious, which is incomparable with gas boiler. Gas boiler can bring greater environmental benefits to the enterprise. Third, differences in coal-fired boilers and gas boilers: because of different physical and chemical properties of coal and natural gas, and therefore, there is a big difference in characteristics of coal-fired boilers and gas boilers. 1, combustion: fuel fired boiler combustion layer, fired by coal chain grate conveyor plane, the complete combustion process in the furnace. While the combustion gas boiler combustion chamber, the gas is mixed with air in advance is set in proportion to the burner, injected into the furnace through a nozzle, the torch was installed in the furnace to complete combustion. 2, combustion products: coal is mainly composed of C, H, S, O, N, and other elements composed of ash and water, but not the mechanical mixing of these components, but a very complex compound. After the coal combustion heat release and smoke into the hot air generated by the SO²SO³NOx, pollution of the environment and the human body can cause damage. And the main component of natural gas is methane (CH4) gas, and a small amount of non-hydrocarbon gas, generally free of moisture and ash after the combustion of natural gas, mainly CO2 and water to generate and emit a lot of heat, deleterious SO2, SO3, NOX coal and other emissions is relatively much less. 3, automatic control of the boiler: coal-fired boiler due to factors coal, coal seam thickness, the amount of blowing, the wind amount, and the air volume distribution grate speed limit, to be difficult to automatically adjust the operating parameters of the boiler according to the load. Less impact on the factors of the gas boiler, the burner can be adjusted only according to the size of the fire load, easy to achieve automatic control.
It is understood, Jilin Province Bureau of Quality Supervision Market Supervisory Authority, City Center and the special prosecutor heating hot water fire tube boiler unit deployed to the District Branch, county (city) to carry out investigation and remediation work in special boilers.
The regulation includes the use of all registered cases in 2018, with the boiler, and whether to establish strict implementation of safety management systems and procedures, staff training and certified to meet the requirements, device files are complete, the device is in the test is valid and so on.
In addition, the city supervision bureau of this regulation put forward specific job requirements: by strengthening the organization and leadership, to carry out extensive publicity, build long-term mechanism to strengthen the statistical information to start in four areas, the city conducted a comprehensive investigation and remediation actions boiler, ensure boiler risk has been effectively controlled.
The fuel can be natural gas heating hot water fire tube boiler into gas-fired, city gas boiler, boiler coke oven gas, liquefied petroleum gas boilers and boiler; functions can be divided in accordance with KS-Q water natural gas boiler, CLHS / CWNS natural gas hot water boiler (including natural gas heating boilers and gas boilers bath), LHS / WNS natural gas and steam boiler; can be configured in accordance with natural gas boiler is divided into vertical and horizontal natural gas boiler; flue gas flow can be divided according to a single backhaul gas three-pass boilers and natural gas boilers. Fuel oil-fired boiler is the difference between a fuel (such as diesel, oil, kerosene, etc.), natural gas boiler fuel is natural gas (such as natural gas, city gas, biogas as well as liquefied petroleum gas, etc.), depending on what fuel boiler combustion devices called burner, natural gas burner configuration called boiler natural gas boiler, oil boiler burner configuration called oil-fired boiler, oil-fired boiler and the difference between natural gas boiler that what fuel burners.
Depending on the operating characteristics of electric steam heating hot water fire tube boilers, mainly to properly regulate the drum and induced draft fan. The chamber negative pressure is guaranteed ± (5-10) premise mm water column (water column ≈9.8Pa 1mm) to minimize the amount of the wind, to extend the residence time of the flue gas temperature in the furnace, reduce exhaust gas temperature.
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