Good Service Gas Fired Steam Boiler

Depending on the operating characteristics of electric good service fired steam boilers, mainly to properly regulate the drum and induced draft fan. The chamber negative pressure is guaranteed ± (5-10) premise mm water column (water column ≈9.8Pa 1mm) to minimize the amount of the wind, to extend the residence time of the flue gas temperature in the furnace, reduce exhaust gas temperature.

Before coming heating season, Pinggu and Yanqing, Miyun three areas have been completed six large coal-fired boiler clean energy transformation, involving a total of 1660 tons of steam, residential heating area of ​​about 900 square meters, in order to promote the city's urban focus heating basically clean heating to make a strong contribution.

It is reported that, in addition to this rural area south of the coal-fired boiler house for reasons of space, and the remaining five of the original coal-fired boiler room facility will be retained as an emergency backup. Pinggu District-Valley heating plant boiler clean energy transformation project has been debugging equipment, the boiler room of the original four coal-fired boilers, a total of 400 tons of steam, heating an area of ​​about 2.5 million square meters, the new 3 sets of 100 tons of steam gas boiler is equipped with a heat pump.

Also, according to plan, City Management Committee led the development of the annual Yajian coal and clean energy facilities construction program to focus on the northern region, enhance power supply, gas supply capacity, promote Plains natural gas pipeline "town pass" to protect coal demand for clean energy. The basic realization of the city's plains village "No Coal", the phasing out of bulk coal sales within the region transformation of the industry and commerce department for bulk coal sales cancellation of registration in accordance with law, in principle, be issued a new business license. For failure to implement clean heating in winter 2018 and not included in the annual village "coal to clean energy" program, full implementation of quality coal instead.

Reduction of carbon dioxide, sulfur dioxide emissions

Pinggu District Management Committee, according to the person in charge, Riverside, Xia Xing Coal Valley and heating plant is heating an area of ​​7.416 million square meters, of which the heating plant heating Riverfront area of ​​4.1 million square meters, the Xingu heating plant heating an area of ​​2.808 million square meters, summer Coal heating plant heating area 508,000 square meters.

By upgrading "coal to gas", three heating plants meet emission standards Beijing local standard NOx emissions of less than 30 mg / standard cubic meter, while the amount of coal Yajian 160,000 tons per year, greatly reduce emissions of carbon dioxide, sulfur dioxide, nitrogen oxide.

Among them, Xingu heating plant "coal to gas" project officially started on May 16 this year, October 20, Sheung Shui, October 27 with the ignition conditions.

Riverside heating plant "coal to gas" on May 16 this year started, has completed the boiler and associated piping, heat pumps and ancillary equipment installation, ongoing electrical, control system debugging, October 22 has been Sheung Shui, October 29 have ignition conditions.

Summer Coal heating plant "coal gas" this year officially started on August 18, has completed commissioning of boiler facilities and associated piping, heat pumps and ancillary equipment installation, ongoing electrical, control systems, etc., on October 29 water, with firing conditions.

In the national standard of water quality standard, the water quality index of hot water boiler stipulates that the total hardness of water supply for chemical treatment outside furnace is less than 0.6 mmol / L. In recent years, in order to reduce the operating cost of heating units, some hot water gas-fired good service fired steam boilers have been overloaded due to the use of class Ⅲ bituminous coal as fuel instead of class Ⅱ bituminous coal designed to replace the designed type Ⅱ bituminous coal. During the maintenance in summer, it is found that the overloading boiler water wall tube fouling problem is more prominent, some boilers even occur tube burst accident. Why is heating hot water boiler overloaded, scale and even burst tube? Because the calorific value of class Ⅲ bituminous coal is higher, the type Ⅲ bituminous coal of the same weight is burned instead of the designed class Ⅱ bituminous coal. Bituminous coal increases the circulation of boiler riser is not absolute equilibrium, the geometric difference of riser and the heat load are different, so there is inevitably the deviation of flow rate between the risers. Due to the overloading operation of the boiler, some riser tubes are easy to overheat boiling because the flow rate is small, and the wall temperature is higher than the designed wall temperature, so that the scale and even the tube burst are easy to occur. How to prevent the boiler from scaling when overloaded? The heating hot water boiler operates under overload because of the scaling after the superheated boiling. Steam is produced in the process of superheated boiling. The water quality requirement of gas steam boiler is less than 0.03 mmol / L, which is much lower than that of hot water boiler. Water quality requirements. Based on the above reasons, the feed water hardness of heating hot water boiler is reduced, and the scaling phenomenon is eliminated by reducing 0.6mmol/L to 0.03mmol/L.

Steam boiler market the market situation and future prospects: Stone boiler plant fuel gas good service fired steam boiler applications is extremely broad surface, the boiler can be simply understood as a fuel or the use of other energy hot water heating can become hot water or steam machinery and equipment. Because the boiler uses different kinds there are also significant differences. By fuel into gas, oil, electric steam furnace. Fuel Gas hot water boiler is burning oil or gas fired boilers can heat the water. Development of sub-pot boiler and furnace two aspects. Fuel gas steam boiler is extremely broad application surface, a steam boiler may be understood as a simple or heat using a fuel other sources of water can be heated in hot water or steam machinery. Because the boiler uses different kinds there are also significant differences. Steam boiler steam boiler is called, is mainly used in food fermentation, hospital disinfection, school experiment, clothing ironing, bio-chemical industry, boiler industry, unlike other industries, it is neither a sunrise industry, is not a sunset industry, but coexist with humans eternal industry. Accompanied by vigorous development of China's national economy in recent years, industrial boiler manufacturing industry has made considerable progress. Its outstanding performance is: increasingly regulated industry standards, technical standards to improve, increasing product variety, economies of scale significantly expanded. As the market demand continues to increase, the number of manufacturing enterprises increased rapidly, can provide a variety of boilers of different pressure levels and capacity to meet the current needs of the market. Generally speaking, after so many years of development, China's boiler industry has indeed made great progress, while the boiler industry and enterprises are also faced with various challenges. Boiler industry must adhere to market-oriented strategy, closely rely on scientific and technological progress, scientific and technological innovation, under the guidance of national energy and environmental policy, company structure and product structure adjustment, manufacture and sale of boilers in line with market demand in order to occupy in the fierce competition in the market place. Effects of water temperature on the gas steam boiler

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