High quality WNS series steam boiler
Steam boiler for sale in Pakistan
With the implementation of the One Belt and One Road Initiative, CBM has more and more cooperation with Pakistan. The steam boiler produced by CBM has good quality, excellent performance and low operating cost, and is continuously exported to Pakistan.
Fire tube boiler in Philippines
The economy development in Philippines is mainly rely on agriculture and industry.Manufacture industry ,mineral industry and power plant play important role in industry development.Industrial boiler are used in this industrial enterprises widely so fired tube have widely space in Philippines market.
Henan present gas boiler fuel ratio control and debugging problems 1.Henan gas boiler fuel ratio irrational: ejector conventional gas boiler burner, resulting in the air-fuel ratio adjustment can not maneuver. Most of the gas boiler uses a mechanical blower burner, causing the air-fuel ratio irrational factors are the following: air-fuel ratio unreasonable divided into two situations: when the excess air from time to time, there will be plenty of cold air is superfluous heating, resulting in increased energy boiler, boiler thermal efficiency decreased; when there is insufficient air, there will be incomplete combustion phenomenon, resulting in the boiler thermal efficiency. 2. Boiler factors Henan gas air-fuel ratio include: changes in ambient temperature lead to changes in air density and the density of the gas, fluctuation of gas pressure in the pipe causes the amount of gas injected into the furnace is increased or decreased, the throttle opening degree at some time after the operation offset, etc., can lead to imbalance in air-fuel ratio. These factors are always constantly changing, therefore, it is necessary to adjust the air-fuel ratio is continuous, uninterrupted. Autoregulation limitations burner: Burner simple conventional air-fuel ratio adjusting means arranged, by adjusting the air-fuel ratio mechanical linkage, environmental factors can not solve the problem of air-fuel ratio variation due to frequent fluctuations. If the air-fuel ratio imbalance, the burner is not self-diagnose and self-correction function. 3. Henan gas boiler fuel ratio control and debugging: In most cases, was observed with the naked eye are commissioning adjusting the fuel valve and the air damper opening degree of flame color and shape manually, it can not determine whether the air-fuel ratio in an optimal position. Even at the time of commissioning flue gas analyzer to adjust the air-fuel ratio is good, but due to the many changes in the external environment factors will lead to continued volatility combustion conditions, even a one-time adjustment of the air-fuel ratio accurately, but after a short time (a few hours or a few days means after), will soon air-fuel ratio imbalance.
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