industrial steam boiler in colombiput into hotel

Industrial boilers is a major driving force for social development, but also brought great pressure on the environment. Whether coal-fired boilers, biomass boilers, or, when the supply of energy, the emission of pollutants will soot and nitrogen oxides. Some enterprises in order to save costs, the pursuit of more profits, but also allowed to change the fuel, biomass boilers burning coal steal, wood, and even garbage doping or other industrial waste, produce dioxins and other carcinogens directly into the atmosphere after combustion, pushing PM2.5 concentrations.

Since started Blue Sky Battle horn Guangdong Province, many cities have begun to respond positively, Dongguan City, is one of them. Atmospheric do in-depth business thoroughly, and the development of industrial boilers business accounting, confirming the city's need to eliminate highly polluting boilers have 765 units, of which 728 sets of biomass boilers, 37 coal-fired boilers. Subsequently, promote the transformation of facilities operations out of high pollution boilers within the city.

As of May 14, 2019, the city's 324 enterprises active removal of 363 coal-fired boilers burning biomass, as well as 83 to 84 companies demolition of the old boiler pipes, 447 completed phase-out plan of the boiler in advance.

Although there are many companies take the initiative to carry the main responsibility for the ecological environment, but there are still some chances enterprise.

Atmospheric Office official admitted that "in the daily inspection, the company found that some still illegal use of boilers, perfunctory 'coal to gas' work." Among them, although some enterprises written off coal, biomass fired boilers, but because of natural gas boiler installation behind schedule, forced production needs, but to let the old boiler continues posts. There are companies more "capricious", install two-way pipeline for new and old boilers, strict supervision when using gas-fired, law enforcement officers continue to take a coal burning biomass. There are even companies deliberately delayed "from coal to gas," progress, choose to enable the original write-off of the boiler.

This year, the Office of Atmospheric inspection personnel to go to 244 companies in the field to check the boiler usage, found that 42 enterprises there is illegal use of boiler problems. Among them, there are 18 companies of illegal use of biomass boilers has been canceled. "Not only pollute the atmosphere, there are still significant safety risks." Atmospheric Office inspection personnel Lurui Quan said, "the city's coal-fired, burning biomass boilers as well as 113 units, involving 94 companies, is expected to complete phase-out year, access to clean energy. "simple behind the data, there is a thick ledger out of the transformation of the boiler," when removed, when write-off, out of a pin number one glance. "

Atmospheric Office official also said the recent city towns Street (Park) Atmospheric Office will carry out investigation and remediation special action has been canceled boiler, supervise and guide enterprises to demolish the old boilers and pipes, put an end to "note not sell" phenomenon. At the same time, urge enterprises will have been dismantled boiler dedicated to the sale of scrap recycling company, effective way to solve the old boiler, complete eradication of pollution and safety hazards.

Technical characteristics premix condensing boiler furnace condensing premix premix combustion characteristic technical features: refers to a gas burner thoroughly mixed with enough air prior to the burner, it is no longer necessary to supply combustion air to the combustion process . 1) the combustion flame characteristics: flame propagation speed, high strength hot combustion chamber volume, generally up to 28 ~ 56x103kW / m2 or more, the excess air coefficient is very small, typically α = 1.05 ~ 1.2, the combustion temperature is high, low nitrogen oxides emissions. But poor flame stability, prone to tempering, tempering is prevented, so that as the gas flow velocity to be uniform field, to ensure that the air flow velocity at each point are greater than the flame propagation speed at the lowest combustion load. At the same time, a uniform air distribution surface also ensures the uniformity of the burner flame to avoid flame on the burner surface is too long, contact with heat exchanger surfaces resulting in incomplete combustion. 2) premix combustion mode effective to reduce the emission of pollutants, such as: the reduction of nitrogen oxides, carbon monoxide emissions. Features condensing heat exchanger of the main characteristics of the entire cast aluminum water-cooled design, the combustion chamber is surrounded by watercourses, effectively absorb heat, cooling the flue gas. The thermal conductivity of aluminum is 8 times that of stainless steel (aluminum: 130W / m ℃, stainless steel:.. 16.2W / m ℃), it gives greater leeway in the design of the combustion chamber and waterways. The corrosion resistance: aluminum is a reactive metal, under natural conditions, the aluminum oxide surface layer can be formed of a dense, acidic corrosion can be effectively prevented from corrosion and oxygen. China's abundant reserves of aluminum, lack of demand, leading to low prices, low melting point of aluminum, with a high fluidity at high temperature casting, casting and machining good performance. Flue gas top-down, bottom-up flow. Aluminum heat exchanger in a combustion chamber with a needle-like protrusions, grooves waterways with a heat exchanger, to optimize heat transfer effect, and effectively increase the heat load of the heat exchanger unit.

The new patent of waste heat boiler for the waste gas of coke has avoided the defects of the traditional horizontal waste heat boiler with one flue gas channel or multi flue gas channel. Coking Waste Heat Boiler can organically combine the various components of the boiler without the change of their functions, centralize the heating surface, simplify the structure in the coking waste heat boiler and achieve the multi-function composite of the various components. This new patent of waste heat boiler for the waste gas of coke has the functions of high efficiency heat transfer, two-level of soot separation in the boiler. It achieves the advanced level in China because of its compacted structures, novel structure, low cost, small floor area, environment protection and energy conservation.

Traditional coal-fired boilers inefficient and highly polluting; high fuel boiler operating costs, but also by pipeline constraints, the cost is too high; gas-fired boiler using natural gas as a clean fuel, soot content itself has very little, or even negligible, excellent environmental performance, loved and recognized by many enterprises and government departments.

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