industrial gas fired heating condensing boiler

industrial gas fired heating condensing boiler

Such as the use of coal fired industrial fired heating condensing boilers, coal heating value 5500Kcal / Kg (in terms of standard coal) around, (coal prices have continued their upward trend in the market price of 460 yuan per ton, and the purchase and sale channel is not smooth, to control the current energy under rotten mining waste and serious situation, the price of coal have continued upward momentum). 10t steam boiler steam coal consumption per ton of 0.2 ton, the price of 92 yuan. The hot gas is 8000kcal / Nm3, the price of natural gas per cubic 2.0 million, according to gas consumption per ton of steam gas consumption 80Nm3, the price of 160 dollars.

Four combustion modes of industrial fired heating condensing boilerBoiler as an energy conversion equipment, plays a very important role in industrial production, can be said to be the core main force of production enterprises. I know the boiler, but it is estimated that most people do not know much about the combustion mode of the boiler. Today, our Fangkuai Boiler will take you to understand the four combustion modes of the boiler. It can be divided into suspended combustion, boiling combustion, layered combustion and gasification combustion. The following is one by one. First, suspension combustion, also known as fire chamber combustion, is a combustion mode in which fuel is injected into the furnace with air in the form of fog, powder or gas. Suspension combustion ignition is rapid, combustion heat The efficiency is high. It is easy to realize automatic operation. The adaptability to load variation is strong. And the adaptability to the fuel is also strong. However, this combustion mode requires a high level of operation, and should not run intermittently. Secondly, boiling combustion is a kind of fluidized boiling combustion of fuel in fluidized bed under the action of appropriate velocity of air. Boiling combustion is suitable for all kinds of coal, especially inferior coal, such as coal gangue. Stone coal, and so on, this combustion mode on the size of coal particles also have certain requirements. The coal mass must be processed and broken into particles with an average diameter less than 10mm during combustion. Delivered by coal-feeding equipment Enter the furnace. Third, layered combustion, also known as fire bed combustion, is a way of burning fuel in a certain thickness on the grate. This combustion mode is only suitable for solid fuels. However, there are certain requirements for particle size (6~50mm). Layered combustion can basically adapt to solid fuel. As long as the mixture of air and fuel layer is good, and there is a certain combustion temperature, the ideal combustion can be achieved. If the air and fuel layer do not mix well, or the local air supply is insufficient, the combustion will be incomplete and the combustion efficiency will be low. This type of combustion is generally used in chain furnaces. IV. Gasification combustion Gasification combustion mainly refers to gasification and direct combustion of coal put into furnace, and this combustion mode is not suitable for coal with low ash content. High-temperature gasification and staged combustion is different from ordinary gasification combustion. Its utilization principle is as follows: under the condition of oxygen, the fuel surface is heated with high-temperature heat source above 800 ℃, so that the fuel can be rapidly pyrolysis and gasification combustion from outside to inside. Part of the high temperature produced by combustion is then gasified at high temperature, and part of the fuel is discharged for work, thus forming a continuous high temperature gasification combustion reaction.

Beginning of winter is over, the whole city of Tianjin into the heating season. To protect the normal operation of the industrial fired heating condensing boiler for heating, Market Authority Wuqing District of heating boilers launched special safety checks to ensure that the boiler use foolproof.

District Supervisor Bureau in-depth understanding of Xintai heating station, heating station and peace in the State Central heating stations, boilers whether to register for the use of the boiler and its safety accessories, combustible gas alarm is within the test period, fireman job Are personnel certificates, if the boiler water through a rigorous inspection process and other aspects. Check the site also records the boiler operation, safety management systems, development and implementation of contingency plans to view, focus your heating boilers meets the requirements of the region's policy "ban on coal zone".

Next, Wuqing District will continue to monitor the safety inspection of heating boilers used as a focus for specific problems, increase the inspection frequency and law enforcement, to protect the safe operation of heating boilers Wuqing District.

Market Authority has in-depth Xintai district heating stations, heating stations and peace in the State Central heating station, focus on checking whether the boiler for the use of registration, boiler and safety accessories, combustible gas alarm is within the test period, fireman whether the worker certificates, if the boiler water after treatment. They also view the site log boiler, the development and implementation of safety management systems, emergency plans, and focus your heating boilers meets the requirements of the region's policy "ban on coal zone". At the same time law enforcement officers required to strictly implement the main responsibility for the safety of special equipment, strengthen emergency duty, special equipment to ensure safe operation. Up to now, law enforcement officers were deployed more than 20 times to check heating boiler unit five times, involving 22 sets of heating boilers, found 10 safety problems, has urged the relevant corrective actions. Next, the council will continue to put safety inspection of heating boilers as a priority, and focus point for the problem, increasing the frequency of inspection and enforcement, to protect the region's heating boiler safe operation.

Gaz than steam industrial fired heating condensing boiler should be how to calculate? Q: ratio of gas steam boiler gaz simple algorithm is multiplied by the calorific value of coal and boiler efficiency is calculated by dividing this simple assumption does not heat to the steam boiler efficiency of 80%, coal calorific value 5500, if the amount of steam produced a ton of coal can be calculated as follows * 0.8 = 5500/600 = 7.3, ie: gaz ratio of 7.3 can be calculated simply, is this right? A: According to your argument: the amount of steam a ton of coal produced, commonly referred to as the evaporation rate of the fuel, commonly known as steam coal ratio. The calculation formula is: base received low calorific value of coal is then divided by multiplying the thermal efficiency of the boiler (steam heat feedwater minus heat). You said above is correct.

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