Commercial Boiler Cost Estimate

Commercial Boiler Cost Estimate

Understand the pros and cons and balance calculations show the efficiency of the commercial boiler cost estimate: boiler efficiency for this important indicator of whether it can have a specific classification? And, in this regard, we should know what specific? These are relevant questions about the boiler, but also related to the important part, therefore, in the next years, will this particular, to explain their work so that we can to gain insight by studying for. Boiler efficiency, which specifically, it refers to a unit of time, the effective use of heat boiler and its ratio between the heat input, or can be said that the fuel units corresponding to the percentage of the heat input in the heat effectively occupied. And, it is an important technical and economic indicators of the boiler, reflecting the operating efficiency of the device, as well as its management level. So, it is a very important parameter. Boiler efficiency, it is also a specific classification, mainly positive balance efficiency and counter-balance the efficiency of both. So below to briefly explain these two specific.

Condensate recovery commercial boiler cost estimate of Embodiment 1, how the recovery boiler steam condensate recovery system recovering exhaust system high-temperature condensed water, the condensed water can maximize the use of heat, water conservation, fuel economy. Condensate recovery system can be divided into open and closed recovery system recovery system. Recovery system is open to a condensate recovery tank to the boiler, the condensed water recovery and utilization in the process, one end of the recovery pipe is open to the atmosphere, i.e., the condensed water collection tank is open to the atmosphere. When the lower pressure of the condensed water, can not be reached by the pressure from recycling properties, high temperature condensed water pump pressure-feeding. The advantage of this system is that the device is simple, easy to operate, a small initial investment; however, a large area of ​​the system, resulting in low economic efficiency, larger environmental pollution, and since the condensed water is directly in contact with the atmosphere, dissolved oxygen concentration in the condensed water improved, easy to produce equipment corrosion. This system is suitable for small vapor supply systems, a small amount of condensate, small amounts of secondary steam system. When using this system should minimize emissions of secondary steam. Condensate recovery system is a closed tank and all piping are set at constant pressure, the system is closed. Condensate system has most of the energy recovery through a certain recovery device directly to the boiler, the condensed water recovery temperature loss in the cooling portion of the pipe network only, since closed, quality assurance, the water reduces the cost of recovery into the boiler . The advantage is economic good condensate recovery, long working life of the equipment, but the system is relatively large initial investment, operation inconvenient. 2. Select recovery methods for different condensate reconstruction project, which way the recovery and recycling equipment selection, is whether the project can achieve the purpose of investment crucial step. First, we must accurately grasp the condensed water condensate recovery system, if the condensed water is not calculated correctly, will make the condensate pipe diameter selected too large or too small. Second, to properly control the pressure and temperature of the condensed water, which embodiment uses the recovery system, which device, how to arrange the pipe network, the condensate temperature and pressure are related. Third, the trap condensate recovery system is selected to be noted that the content, wrong trap selection, will affect the pressure and temperature at which condensation water use, also affect the normal operation of the recovery system. Recovery efficiency is not as high as possible in the system selection, but also consider economic issues, that is considered waste heat utilization efficiency, we must also consider the initial investment. Due to the high efficiency of closed recovery system, less environmental pollution, are often preferred.

What is the condensate recovery? Why steam condensate recovery steam system is an important measure energy? In industrial production, steam as an extremely versatile energy and almost all businesses are inextricably linked. A large number of industrial water and coal-based energy is used to generate steam, and steam is used to heat industrial production process, the steam generated in the heat releasing section condensed water is often thrown away. Condensate has a large amount of heat, usually accounts for about 20 to 30% of total calories steam, some devices may be up to 40%. Thus if the temperature condensate as commercial boiler cost estimate feed water recycling or secondary flash steam utilization, not only to save the water for industrial use, but will save a lot of fuel. Thus, in the production of the same multi-boiler steam, it can save 30% to 40% of fuel, water and water treatment chemicals. At the same time reduce fuel economy of boiler flue gas emissions, protect the environment. Condensate Recovery Value Embodiment: A thermal energy recovered in condensate water, the secondary flash steam heated steam produced can be replaced with a new material; B water saving, cost saving water; C high temperature condensate as boiler feed water, the boiler heating saving makeup water consuming fuel; D vapor condensate as boiler feed water, a lower TDS content, reducing the number of boiler blowdown, heat loss is reduced sewage entrained; E reduces smoke emission and waste water contamination of soil and groundwater . However, industrial steam condensate recovered faces many technical challenges, such as the recovery pump cavitation at high temperature condensate; closed directly boiler feed water; recovering the vapor-liquid two phase flow; contaminated condensed water recovery; high-temperature condensate and boiler feed water at room temperature the temperature of the water supply caused / pressure and poor. HUAWIN (China News) company as the world's leading experts in the steam treatment, using its own patented technology, customers can not only provide complete condensate treatment programs and products, and provides turnkey services and EMC, as do their Chinese energy conservation contribution. Condensate Recovery mode 1. Open the recovery, recycling closed 2. Direct recycling, indirect recycling 3. Restore recovery, heat recovery, flash recovery 1, closed recycling unit: There really grasp the closed recycling technology manufacturers very little , a true closed-recovery units, should address the following questions: 1) to ensure no leakage at the same time, when the incident level is too high to solve the overflow drain problem, that is, when the drain, the same can not leak. 2) stop after an accident, pour water through the cooling tank, the tank may have a negative pressure when the device is restarted, it may cause the pump suction side pressure is too low, it is necessary to solve automatically eliminate the negative pressure in the tank The problem. 3) high-temperature condensate water pump cavitation may cause problems at runtime. 4) When the condensate pump is turned on, the vortex is easily formed, the flash vapor suction pump inlet. 5) the secondary flash steam condensation problems inside the water tank drawn out. Only real solution to the above problems, in order to be truly mastered the core technology of closed recovery. 2, steam-driven pump: HUAWIN (China News) Steam Pump Company truly master the core technology, in addition to the key components are imported, the parts using CNC machining centers precision machining, precision brand has more than similar imported products. And it has developed a large flow pump, a single pump can deliver water to reach 35t / h.

Recently, the field of ecological environment of Shanxi thorough investigation of illegal activities, promotion of eco-environmental quality of Shanxi be greatly improved, the central group held a provincial environmental inspectors rectification illegal sewage major renovation "Hundred Days cleared" special action mobilization meeting, asked the province up and down quickly action to ensure that the "Hundred Days cleared" special action to achieve tangible results.

"Clear Days" special action include 10 aspects: the central environmental protection inspectors and inspectors "looking back" clear feedback issues; national air pollution control and strengthen supervision and three cities in northern Shanxi air pollution control special inspection found problems rectification task clear; focus on the problem of sewage from polluting units cleared; "ban on coal zone" bulk coal cleared; "scattered dirt" enterprise is cleared; key areas of coal-fired boilers cleared out of the task; urban area construction site dust pollution problem is cleared ; diesel truck phenomenon of black smoke cleared; cities above the county level and type of surface water environmental violations centralized drinking water source protection areas cleared; annual key water pollution control project is completed cleared.

Clear focus: focus on examination of 624 key polluting units of pollution control facilities, operation and pollutant emissions. Implementation of the rectification May inform the Provincial Department of environment and supervise the handling of seriously overweight key sewage units - one by one to verify the fourth quarter of 2018, in 2019 the Department of Ecology and Environment informed the first quarter supervise the handling of seriously overweight key polluting units, 2019 1 situation and the implementation of administrative penalties.

Specific objectives: In addition to coal coal ban areas, central heating and raw material coal companies, prohibit the storage, distribution and burning of coal and its products, slashing the average concentration of sulfur dioxide in the ambient air quality.

Clear focus: the use of coal for municipalities within the scope of "no coal zone" in the home spot checks to ensure that alternative livelihood and heating coal for clean energy or clean heating methods is strictly prohibited within the store "ban on coal zone" sales and burning the behavior of coal and its products.

Clear Focus: targeted surveillance cities out of the task list of coal-fired boilers. In built-up areas to ensure that municipalities and districts out of 35 tons and coal-fired boilers, county (city) eliminated the basis of built-up area and 10 tons of coal-fired boilers on October 1, 2019, Taiyuan, Yangquan, Linfen City, Jinzhong city, four global, Luliang Fenyang, Xiaoyi, the text of water, Jiaocheng, Yuncheng salt lake, Wenxi, Xinjiang, Jishan, Hejin global phase-out of 35 tons of steam coal-fired boilers, Changzhi city completed 35 tons of steam out of the task more than 50% of the amount of coal-fired boilers, Jincheng complete 20 tons of steam coal-fired boilers eliminated within the municipal area.

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