gas fired hot water boiler in rajahmundry

Gas boiler shutdown normal shutdown process step is one step in the process of boiler operation is essential to understand the shutdown processing methods to ensure more long-term operating life of boiler. When the boiler the following faults can temporarily shutdown for maintenance. Expansion port, leakage rivet joints; tube, the waterwall tubes, damage to the heating surface tube leakage; drum in contact with the flue gas, set top box, a heat insulating material off the downcomer; water supply system, a combustion system, the occurrence of breakage safety accessories . Shutdown of the gas boiler normal (full shutdown, maintenance shutdown) Step 1, in order to stop the burner, for closing the valve. At the same time feed water to the boiler, 2cm above the normal water level reaches the stop water supply, reduce the pressure. 2, close the main steam valve, open the traps, steam boiler, water cut off. 3, the electric boiler feed water control valve closed and the manual valve, boiler feed water cut. 4, steam pressure may be lowered to the water supply and drainage operations alternately 0, the pot water temperature is gradually lowered. When the temperature dropped to 50 ℃ (not hot when hand potshell head with or touch), the entire pot of water may be drained. Should be preceded by opening the drain valve or air valve above the boiler, this time into the furnace maintenance, shutdown must be kept slow cooling, rapid cooling is prohibited. From the shutdown to be able to enter the furnace maintenance, cooling time is not less than 24 hours. 5, sales of more than 24 shutdown, to total gas supply valve is closed, opens the gas pipe to completely drain the subjective dispensing gas.

Group R & D Center came to the exhibition hall, Mr. Liu Wei, president listened carefully throughout the various sectors, gathered to watch the exhibition hall to show a number of unique patented quick way of sound and light equipment, and careful inquiry of the current business development and marketing state. Also president of the company's current situation, the future direction of development, all kinds of high-end manufacturing equipment and remote monitoring system with unique features made a quick side centralized reporting.

Boiler energy efficiency testing to detect what are: boiler energy efficiency testing, both for boiler manufacturers, boiler or customers, are very important testing authority. First of all, it is the assessment of the boiler manufacturers to test whether the performance of the products guarantee value. Then, it is clear the main factors affecting the energy efficiency of the test results and the analysis of influencing factors, manufacturers may have to adjust the targeted short term, making products more efficient and safe. These adjust the final beneficiary who is a client application, because the boiler thermal efficiency of the boiler test content directly affect energy consumption, related to the interests of customers. The main contents of the boiler efficiency testing 1, the boiler thermal efficiency test: a) evaporation boiler assay; b) the excess air ratio boiler detection; c) exhaust gas temperature detection; D) of the fuel combustion efficiency test; E) the thermal efficiency of the boiler test; F) fuel consumption; G) than gasoline, kerosene and the like. 2, a new boiler product energy efficiency testing: whether the determination of the thermal performance of the boiler as designed to determine the operating mode of the device. The boiler evaporation, thermal efficiency, combustion efficiency, the heat loss and the like. 3, boiler operation adjustment test: to determine the most economical boiler operation mode to identify deficiencies in the operation of the boiler. The maximum boiler load, the minimum load of the boiler, fuel requirements, economic load, exhaust gas temperature and reasonable, the best air-coal ratio, the excess air ratio, the ratio of secondary air and the like. 4, before and after thermal performance comparison test boiler: evaporation variation, the influence of combustion, thermal efficiency of the boiler and the like. 5, fuel industry analysis, elemental analysis: determination of coal, oil, gas and other fuel quality, ease of controlling the fuel into the plant enterprise quality. 6, water quality testing, scale-like: Water quality is determined, the control indicators boiler water to prevent boiler scaling.

First, the economic advantages and a gas 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.

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