China high efficiency low pressure steam boiler

2) smoke chamber outlet disposed takeover

After the boiler flue gas is discharged into the chimney smoke box, since the heat of the chimney is still continued cooling, the flue gas water vapor condenses continues in the chimney wall, forming water droplets flow down along the walls of the chimney, the smoke box should therefore outlet is provided to take over, the condensed water can be discharged into the trench or any drainage system.

Why should the boiler dosing process and how the two boilers and furnaces? Two boilers, and furnaces that how to operate? Civil mounted small boilers, which are generally boiler? In addition, the dosing in the boiler treatment, mainly for what purpose? All these questions and boiler related, but they raised, mainly in order to be completely resolved, and to sell you a satisfactory answer, so that we can know how to answer correctly by learning. 1. The two boilers and two boiler furnace operation and the furnace operation, and the entire operation steps are as follows: Step 1: Slowly open the valve and steam, can not pay attention to excessive speed, so that the drum speed level change too fast, thus, leading to unstable steam pressure and steam temperature dropped rapidly and other issues. Step 2: coordination of two boilers, slow overload. If the risk factors affecting the normal operation of the boiler, should be immediately stopped and steam operation. Wait until after troubleshooting and elimination, and then steam operation. Step 3: water is to be noted that these specific aspects steam temperature load, etc., with a full load and gradually. 2. The boiler small civilian installation, which is generally what kind of boiler? Four boiler pipe, which specific four? Civil mounted small boilers, which are generally for pressure boilers, which are installed, the system needs to be selected so, because the boiler system, there are two ways for the natural circulation and forced circulation systems. Therefore, it should be used according to the environment and requirements, and to select determined. And four pipe boiler, specifically refers to these four pipe economizer, water wall, superheater and reheater.

Main steam valve should be installed near the outlet of the drum or header of the superheater. Main steam valve vertical shell boiler may be installed in the boiler room to facilitate local operations. On each china high efficiency low pressure steam boilers and steam pipes connected to main pipe, two gate valves shall be installed, should be fitted with a valve and open to the atmosphere between the trap valve, the inner diameter> 18mm.

Environmental situation is not optimistic that China has issued a number of environmental policy, the full range of safeguards ecological environment. Provinces are also actively to improve environmental protection, recently, Ningxia Hui Autonomous Region winter heating boiler proposed implementation. details as follows.

"Clean heating embodiment of Ningxia Hui Autonomous Region (2018 Year - 2021)," recently released, "plan" put forward, Ningxia heating the status quo, to develop clean heating, the use of clean energy alternative to coal and dispersed living coal, reducing coal consumption and soot emissions, improve environmental quality in urban and rural atmosphere.

By the end of 2017, Ningxia urban and rural housing construction for heating a total area of ​​380 million square meters, of which the city building heating area of ​​about 240 million square meters, rural buildings for heating an area of ​​about 140 million square meters. Clean heating total area of ​​about 180 million square meters, accounting for about 47% of the region's total heating area. Among them, prefecture-level city clean heating an area of ​​about 120 million square meters, clean heating rate of about 75%; counties (cities, districts) Clean heating an area of ​​about 50 million square meters, clean heating rate of about 62%; rural clean heating area of ​​about 14.72 million square, clean heating rate of about 10%.

After the "plan" put forward, Ningxia, according to the "central heating mainly to the substitution of gas for coal as the first, supplemented by electricity instead of coal," the idea, according to local conditions, scientific planning, coordination implementation. City, county (district) the main city clean coal-fired co-generation, large-scale energy saving boiler central heating heat source as the basis for strengthening efforts to shut down within a small range of central heating boilers of coal. Promote cogeneration units and ultra-low emissions transformation of large boilers, improving the environmental standards.

In urban and rural interface and rural areas, in accordance with the principles of the easier issues first, and start cleaning centralized heating schools, kindergartens, hospitals and other public buildings start to play an exemplary role. The conditions of the area to promote gas boiler; encourage nearby collected plant biomass feedstock, biomass briquette forming process instead of bulk coal; encourage livestock waste, straw and other raw material for the biogas fermentation and purified, for clean heating; actively promote the development of geothermal resources as a centralized or decentralized heating heat source; support for residents to install solar hot water, electric heating equipment, such as housing, agriculture greenhouses, farms; do not have clean heating conditions actively implement clean coal alternative bulk coal.

"Plan" clearly, Ningxia will accelerate cogeneration, waste heat utilization, the cell set into a piece of construction heating boilers, focusing on the completion of the Western Xia thermoelectric (two) central heating, in Nanjing Tianyuan thermoelectric, Helan back pressure Heating Unit central heating and other projects, the completion of thermoelectric Zhongwei, Wuzhong thermoelectric, thermoelectric Dawukou LIUPANSHAN thermoelectric renovation project, to further expand the central heating area. City, county (district) heating should vigorously promote the "coal to gas," "coal to electricity", according to local conditions the development of renewable energy for heating, a pair of old, energy-saving secondary pipe network, heating network system to enhance efficiency.

Ningxia will be fully phased out small coal-fired boilers, coal-fired boiler to deepen the comprehensive compliance management, municipalities, county (district) urban area out of 20 tons of steam / hour coal-fired boilers. Yinchuan City urban area to total phase-out project cogeneration district heating pipe network covering all coal-fired heating boilers in the region. It does not have the "coal to gas," "coal to electricity" conditions in rural areas, to achieve clean coal production and warehouse distribution center full coverage, full implementation of clean coal alternative bulk coal.

Ningxia Hui Autonomous Region in the 2018-2021 four-year, with the full complement of winter heating boiler, will replace all cleaner energy boiler coal-fired boiler, to protect people's health.

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