once through steam boiler in China

About sewage treatment boiler, you should know something: a boiler blowdown purpose: to make the water in the pot of water boiler in compliance with the standards, reduce the adverse effects to the boiler scale formation caused by the impurities in the water is maintained at a certain concentration, need by continuously to the boiler to exclude large salt, alkali boiler water and deposited residues, sludge and various types of precipitates, maintaining safe operation of the boiler, to extend the life of the boiler. Second, boiler blowdown mode: continuous blowdown boiler blowdown and regular sewage into two kinds. 1, continuous blowdown Purpose: continuous blowdown portion of the salt may be excluded substance dissolved in water pot, the pot in order to maintain a controlled amount of salt contained in the water and alkalinity, to prevent excessive concentration affects the quality of the boiler steam production. Installation site: general continuous sewage outfall 200-300 mm drum mounted normal water level, boiler water was concentrated by continuous heating, the salt water of the surface layer into the furnace together, even on the exhaust port installed in the boiler water up to the salt content locations, to discharge a high concentration of salt, a new water treatment. The discharge time of: continuously discharged blowdown rate: typically about 1% of the amount of evaporation boiler. Location discharge: discharge sewage generally lead to expansion device connected by the drum. Numerous continuous shot from the boiler is saturated with water produced by the boiler at the operating pressure, a higher temperature; if a sudden drop in pressure, the vaporization point of water is lowered, so that the original saturation is destroyed, a portion of the water from the tank to become the new pressure superheater heat saturated water, the latent heat of evaporation portion of the water becomes steam. This evaporation is called flash evaporation. Continuous blowdown is to obtain a secondary steam using the principle of flash evaporation. So as to achieve recycling. 2, regular sewage purposes: periodic sewage mainly excluded rusty, desalting entirely calcium, magnesium and other flocs. And reduce the extent attached to the boiler wall and improve the use of the boiler thermal efficiency. Generally intermittent, also known as intermittent sewage or sewage bottom. Installation site: Regular Blowdown nozzle generally located at the lowest point of the BCP. Emission Time: time given row is discontinuous, generally selected from the group of emissions at low boiler load, the exhaust emissions from large given, generally only a short time it is possible to achieve the purpose of sewage discharge, typically 0.5-1 minutes, particularly by the boiler water quality may be, but should avoid prolonged given row so as not to affect the normal boiler water circulation. Chemical run on a regular basis to work after the election in each night. Blowdown rate: 0.1% -0.5% General boiler evaporation. Emission Location: the water from the bag is introduced to the expansion of a given row. After decompression, and secondary steam expansion separated waste hot water. Secondary steam into the atmosphere or utilized as a heat source, waste hot water through the general sewage into the sewer system cooling pool. Boiler blowdown water and saturated with water at the same pressure and the working pressure boiler, before the throttle valve is provided with periodic blowdown pressure is reduced, so that the periodic blowdown expander expansion cooling, secondary steam is separated.

Requirements of once through steam boiler in chinas and steam boilers relatively broad range of applications in the food processing industry, its main principle is the use of steam to power. Steam boilers sold There are many different types of consumers do not know if steam boiler, it will be more difficult to select them on the market. Steam boiler is for people to provide quality steam main machine, give humanity a great change in before the advent of steam, the emergence of the age of steam introduced into the era of modern human civilization. And now there is a steam boiler once again proved that human potential is unlimited, it appears to help people is enormous. Large steam boilers Limited supply plays in people's lives the role, is like bathing, eating, industry, etc., it can be said to require the use of steam places need to use steam boilers, steam boilers, after all, is to provide the main tool of steam. Industrial production in steam boilers provide steam for people at the same time to the production of human powered, so that people become more convenient in production. In life steam boiler to provide steam that can help people create high-quality food, and why that is because we were able to take a shower steam boiler in the cold winter. These are the steam boiler to help us. Steam boilers are cyclical, do not always use, as if used for heating. North weather is very cold, winter will begin once inside steam boilers to provide heating, but over the winter is basically a steam boiler that is placed there is no need. This is also the time when the steam boiler most prone to failure, so off time maintenance work is very important. Steam boiler before the fire, check valves to pipes, steam pipes, water gauge, pressure gauge, relief valve and the discharge valve or the like, whether it is intact, can be used normally. Steam boiler water, first softening treatment and water quality to clean, can not have impurities. The water gauge glass, which outer shield should be sturdy, and to clean. How the operation of the water table, if an exception should be handled immediately one should always observe. Safety valve and can not be adjusted in order to avoid problems. If the gauge reaches allowable working pressure of more than 80%, then one should be allowed to exhaust valve, in order to avoid excessive pressure.

Recently, Changzhi City, Shanxi Province have continued to improve as strongly promote the city's ambient air quality, issued the "Changzhi City, 2018--2019 autumn and winter tackling air pollution comprehensive management action plan" (hereinafter referred to as the "Program"), to take specific measures to 10 31 categories of air pollution comprehensive management.

"Plan" put forward, we will accelerate the adjustment of energy structure in the consolidation of ambient air quality improved results, adhere to progress while maintaining stability, promoting the city's air quality continues to improve.

2020 in accordance with the basic completion of the plains heating pre-season and winter heating coal-life alternative tasks required to develop a three-year implementation program to determine the annual coal task of governance. Husband and actively promote the use of solar energy centralized biomass priority to promoting the bulk coal governance of the main city and the plains surrounding county, the gas will adhere to the reform, in order to set the electrical change, has started in 2017 to protect the "coal to gas "" coal to electricity "project on the basis of reasonably determine this year's" coal to gas "," the number of coal to electricity "project. When the substitution of gas for coal, electricity instead of coal and other alternative methods, the gas source, the power to implement, the existing heating facilities can not be removed.

1, increase efforts to eliminate small coal-fired boilers and furnaces tea, operating farmhouse, drying equipment and other reserves of coal-fired facilities (collectively referred to as coal-fired boilers); and speed up the construction of centralized heating official website, giving priority to the use of combined heat and power production units and other clean heating in the heating mode out of the coverage of the official website of coal-fired boilers.

2, actively promote the 65 steam tons / hour or more coal-fired boilers built-up areas and urban transformation of raw material ultra-low emission boilers, coal-fired plants to achieve ultra-low emissions levels. Biomass boilers should be dedicated boiler, ban coal blended with other fuels, be equipped with efficient dust bags and other facilities.

3, accelerate the transformation of low nitrogen gas boiler NOx emission after the transformation in principle not exceed 50 mg / cubic meter, to encourage the implementation of 30 mg / cubic meter of lower standards.

1, a comprehensive investigation of the use of industrial furnaces, iron and steel, nonferrous metals, building materials, coking, chemical industry, focusing on the smelting furnace, melting furnace, sintering machine (oven), baked (calcined) burning furnace, heating furnace, drying furnace class 9 kinds furnace (kiln), coke oven, gas furnace or the like, to carry out an intensive investigation. And build on November 10, 2018 detailed inventory management, after 15 November 2018 are not included in the list of industrial furnaces management, fully integrated into the autumn and winter peak load shifting production program, implementation of the cut.

2, accelerate the clean fuel substitute, coal, petroleum coke, residual oil, heavy oil as the fuel of a heating furnace, heat treatment furnace, a drying furnace (kiln), and accelerate the use of clean energy and the use of plant waste heat, thermal power plants and the like instead.

The difference between ordinary condensing boilers and boiler - scale processing in different ways

Compared to ordinary condensing boiler boiler more difficult to scale. Often for many ordinary boiler heat efficiency, the use of heat exchangers and water pipes are very fine, coupled with hard water, it is easy to form the pipe scale. Scale condensation pipe blockage likely to cause damage to the equipment, invisible to increase the post-maintenance costs of the boiler.

China Once Through Steam Boiler, China Once Through Steam

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