carbon steel bare tube economizer for industry boiler

Gas carbon steel bare tube economizer for industry boiler energy-saving technology to explore because of China's natural gas prices are relatively high, so when using a gas boiler, how to save the cost of one of the problems is the business focus. Note that in addition to the use of natural gas boilers use a method other than the thermal efficiency of the boiler itself is an important criterion for the energy efficiency of the boiler, today to talk about these issues which are under the technical energy efficiency gas-fired boiler. A reduced heat losses measures analysis of heat losses mainly by the exhaust gas temperature and excess air ratio α of impact, wherein the excess air coefficient α is too large, causes an increase in the amount of flue gas, more heat away, it should be decrease in efficiency of the boiler is provided to ensure that the combustion air ratio as much as possible, by properly configuring the burner, strict debugging operation, its structure and the characteristics of the boiler, the type and characteristics of the fuel matched to ensure flame furnace filled with the fuel combustion. Select the burner has a proportional regulating function, varies heating load can be automatically adjust the ratio of air to gas supply and the gas in the boiler load range, while always maintaining high combustion efficiency, to ensure a reasonable excess air system, to reduce heat losses to improve the thermal efficiency of the boiler. Since the heat loss, the heat loss of water vapor carried by 55% to 75% of the heat losses, if the flue gas flue gas temperature drops below the dew point of water vapor by recycling latent heat, can be effectively reduced smoke and heat loss and improve the thermal efficiency of the boiler. For this reason, a low temperature heat sink to be taken to achieve the effect of condensation and heat recovery. A low temperature heat sink from the structure can be divided into two kinds of integral and separate. Is the integral of said general condensing boiler, heat recovery is to install separate outside in a conventional boiler flue. Second, the condensing boiler is a condensing boiler means of latent heat of vaporization of water vapor contained in the boiler can be absorbed from the flue gas in the boiler exhaust. The most conventional boiler flue gas sensible heat transferred to the water or steam, and condensing boiler will not only sensible heat transfer part of a larger feedwater or steam, but also absorbs the latent heat of vaporization of water vapor in the condensing part of the fumes released. Condensing boilers and conventional boilers in design thinking is very different. Condensing boiler condensing heat exchanger must have a heating surface, high-performance insulation housing and the sealing material. A low temperature water temperature of the boiler flue gas flue gas condensation temperature drops, the state of the flue gas in the form of superheated steam condenses into water, releasing latent heat of vaporization, this part is still used for the heat recovery boiler. The fuel is calculated based on net calorific overall efficiency than conventional shell boiler as much as 10% to 17%. Exhaust gas temperature can be reduced to 50 ℃ ~ 70 ℃. Condensing boiler not only saves energy, but also water vapor in the flue gas is condensed, while the flue gas can be removed harmful substances, and a considerable amount of water recycled with energy, water, and environmentally friendly. Condensing boilers in foreign applications are quite widespread. Third, the installation of a conventional waste heat recovery boiler flue gas heat recovery unit separation can generally be divided into direct and indirect contact with heat exchanger. Direct contact heat exchanger using water spray in direct contact with the flue gas for heat and mass transfer. This way high heat recovery rate while absorbing a large amount of harmful substances in the flue gas, however, in this embodiment the recovered acidic water quality, limited use, hot water generated in waste heat recovery in general is difficult to use civil heating boiler room, thus heating boiler room is generally not used in this way. An indirect heat exchanger, also known as flue gas condensation heat recovery. Flue gas boiler because the water vapor content of more water vapor in the flue gas large latent heat of vaporization released during condensation, so that the gas condensing boiler employed heat recovery device effects than traditional coal-fired boilers used economizer higher efficiency, installed on a conventional flue gas waste heat recovery boiler flue, can improve the thermal efficiency of the boiler, reducing the waste of energy, but also can reduce the operating costs.

Pressure hot water carbon steel bare tube economizer for industry boiler on the market, how to choose a great difference in the quality of the current atmospheric hot water boiler, users select the product, it is necessary to distinguish their quality, how to distinguish between the quality of the product do? The main use of materials which, while the welding process which employed, these are the need to pay attention to detail. If the boiler does not meet the requirements of the appropriate welding, leak fire occurs when users. If the material does not meet the respective requirements, it is difficult to meet the requirements of thermal insulation. In addition, when the user selects the atmosphere hot water boiler, they also need to look at what kind of design. In order to make the product better performance, we need to look at its workers what kind of design, it is what kind of product performance in the design, such as how it is designed in the flue gas reflow cycle, stove and oven how to design, etc., which will have a huge impact on the performance of the boiler. If there is no reasonable design, or difficult to have a better performance in use. Thermal efficiency, or the amount of energy wasted in use. Of course, an atmospheric hot water boiler is not high quality, but it also depends on what kind of configuration. The manufacturers have different configurations, not only staffing levels, and quality issues. Some manufacturers to configure user performance is not good, not only the use of more trouble, but will increase energy consumption. Conversely, if the configuration is high, it will naturally have better performance in use, but also to ensure energy saving.

A few days ago, Datong City, Shanxi Province, issued a "decisive battle 300 days, to enhance the" Datong blue "plan", combined with ongoing Shanxi Province: innovation, work for "the great debate, promote green development, and constantly improve the level of ecological civilization, achieve a good number of days 300 days throughout the year for more than two goals. details are as follows.

1, aspects of the transition. On the basis of the regulation last year, continued to carry out "dirty scattered" enterprise rectification work. According to industrial policy, industrial layout planning, as well as land, environmental protection, quality, safety, energy consumption, etc., to carry out an intensive investigation, the establishment of management accounting. In accordance with the principle of "first stop after the rule", the implementation of classification disposal, have been banned "dirty messy" business, appears to prevent the resurgence of the phenomenon.

2, corporate governance aspects. Industrial pollution discharge standards to strengthen the comprehensive management of enterprises can not achieve full compliance, should be taken to stop production remediation. Full completion of key industries pollution remediation work, on the basis of the city's nine power companies that run on ultra-low emissions stable, GD Datong Power Generation Co. Ltd. within the scope of the built-up area of ​​the city and Datang International Yungang Thermal Power Co., Ltd. completed before the end of the colored Amidst the governance feasibility report, we lay the foundation for next year colored misty rain governance. December 30, 2019, to carry out ultra-low emissions and chemical industry, iron and steel, nonferrous metals, cement industry, especially emission limits transformation; completed 100 industrial enterprises fugitive emissions control, industrial furnace control 41 upgrades, 11 key industries and enterprises volatile organic compounds governance and four key industries and enterprises volatile organics management upgrade.

3, less coal ways. Insist on proceeding from reality, should be in accordance with the electric power, gas should the gas, should the coal coal (ultra low emission), should be hot is hot, and more heating energy policy to ensure the safety of the masses warm winter. Residents living coal simultaneous implementation of clean energy alternatives. District heating flat built-up area clean 100% coverage, coverage of other counties clean heating built-up area of ​​more than 70%, 40% or more in rural areas, to proceed with the phase-out of coal-fired boilers. Renovation project to carry out ultra-low emission coal-fired boilers, October 1, 2019, 65 tons of steam coal and above and build the region (biomass) and energy-efficient boilers to complete the transformation of ultra-low emissions, low nitrogen gas boiler basically completed the transformation.

Improve the thermal efficiency of the carbon steel bare tube economizer for industry boiler method: thermal efficiency and running costs are directly linked to the gas steam boiler, understand the factors affecting the thermal efficiency of the boiler, and master the ways to improve the thermal efficiency of the boiler, it is very important.

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