Combustion air staging the first stage fuel rich combustion, excess air is added in the second stage, the lean burn combustion, the air is cooled between the two was added to ensure that the combustion temperature will not be too high. Combustion air staging and fuel staging combustion contrary, with the first stage fuel lean combustion, fuel is added in the second stage so that the equivalent ratio required value is achieved. These two methods will eventually cause the excess air ratio of the entire system to maintain a constant, low nitrogen currently widely used as combustion control technique. (2) lean premixed combustion technology refers premixed combustion fuel and oxidant completely mixed at the molecular level before the mixture is ignited. For controlling the generation of NOx, this technique has the advantage of controlling the combustion temperature can be achieved by fully controlling the equivalent ratio, thereby reducing thermal NOx formation rates, in some cases, partially premixed and the premixed combustion than non-premixed 85% -90% of combustion to reduce NOx production. Further, the premix can also be reduced completely to reduce the excess air ratio due to unevenness caused by generation control of NOx. However, premixed combustion technology there are still unresolved technical difficulties on the security control: First, because of its highly combustible premixed gas may cause tempering; the second is too high excess air ratio will lead to an increase in exhaust losses , reduces the thermal efficiency of the foam products steam atmospheric water tube boiler price. (3) internal and external flue gas recirculation to reduce the combustion temperature of flue gas recirculation techniques may be implemented by adding a flame zone in the flue gas, the flue gas is added to reduce the combustion temperature of the endothermic.
Six days this month, Changsha, Hunan Furong District Arts Road street to carry out special safety inspection of foam products steam atmospheric water tube boiler prices.
Inspectors focus on examination of the health and safety management of boiler equipment, whether or not the gas boiler passed the test, whether to establish safety management systems and procedures, whether set the security authorities, whether with full-time security officer, determines whether the operator a valid work permit for employment, boiler operating records, inspection records and shift records are complete and so a detailed investigation, while eliminating the risk management and operational aspects of the boiler in existence.
In this inspection, the implementation of the following three major check the contents.
First, we must implement the main responsibility for security, strictly abide by relevant laws and regulations and safety specifications, and resolutely put an end to illegal operation, strengthen the management and monitoring of equipment, hazard, earnestly implement the responsibility to the people, and ensure safe and reliable operation of special equipment.
The second is to strengthen the advocacy training for boiler operators to improve their ability to deal with emergency breakdown or accidents, improve safety awareness boiler operator, firmly establish the concept of safety first, to ensure the safe operation of the boiler.
Third, low nitrogen and urge reconstruction work carried out boilers to reduce nitrogen oxide emissions, reduce concentration of nitrogen oxides, air pollution prevention.
Gas hot water foam products steam atmospheric water tube boiler price these parameters, you know? From now, the hot water boiler is an important equipment to provide heat energy for heating and domestic hot water, and gas hot water boilers use natural gas as fuel, the heat output of high temperature hot water equipment out. Pressure, temperature, heat supply is an important parameter reflecting the performance of a gas hot water boiler is the basic technical parameters of hot water boiler. Users in the use of hot water boiler is very necessary to understand these technical parameters, allowing the boiler to better serve our lives.
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