energy saving 8 ton steam boiler

(DB44/765-2019)

Recently, Guangdong Province issued a "Boiler Air Pollutants Emission Standards" (DB44 / 765-2019) (hereinafter referred to as the "standard").

A "standard" in the context of the implementation province domain for coal, oil, 65 tons of steam per hour and the material forming steam boiler burning fuel gas and raw, hot water boilers of various capacities and organic heat carrier boiler; stoker of various capacities, stoker furnace.

Second, the implementation of the emission limits of air pollutants specified in Table 1 of the boiler since July 1, 2019, since 2020 July 1 implementation of air pollutant emission limits specified in Table 2.

Third, the new boiler since April 1, 2019 (the date of the present embodiment standard) executed from air pollutants emission limits specified in Table 2.

Fourth, not the implementation of clean energy transformation of 35 tons of steam per hour and higher coal-fired boiler from January 1, 2021, implementation of the provisions of air pollutants emission limits in Table 3 in particular.

Causes and prevention of chemical plant boiler explosion: causes and preventive measures chemical plant boiler explosion, the explosion occurred in a chemical plant boilers, analyze the causes and preventive measures boiler explosion in a chemical factory, it can all be on the news or on TV saw the explosion of a chemical plant in the news, resulting in a double loss of personnel and property. So, we need to reason and the boiler explosion prevention measures are to have a detailed understanding of. Overpressure rupture boiler operating pressure exceeds the agreed maximum working pressure, the stress exceeds the limit stress component data. Overpressure conditions often fail due to safety relief devices, pressure gauge misalignment, overpressure alarm equipment failure, severe water shortages caused by improper handling incidents. Heat Failure burn hot plate, component damage caused strength decreases. Usually dry because of water shortage. Fouling too thick, there is a pot of water caused by asbestos rubber pull people off other foreign matter such as grease or drum within reason. Caustic embrittlement due to corrosion failure of the element strength. Crack and split by the groove elements alternating stress effect, produce fatigue crack, and the combined effect of etching, opening into a groove-shaped thinned. Water hammer due to damage caused by improper operation of the system soda water hammer, the pressure receiving member was strong effect of additional stress and failure. Repair, renovation unreasonable formation of boiler explosion hazard. Congenital shortcomings planning mistakes, force structure, terms of thermal compensation, the water cycle, timber, strength accounting, security facilities and other serious fault. Making mistakes, wrong information, not according to the drawings, the quality of low-quality welding, heat treatment, such as hydraulic test process standards fault caused. What measures can prevent chemical plant boiler explosion it? Avoid over-pressure approach: a reasonable set, timing alignment, proper security protection in width, pressure gauge, water table; avoid overheating approach: a reasonable set, monitoring, repair, wash water table, avoid water, avoid fouling and foreign object into the grease drum; avoid corrosion measures: water quality objectives should comply with national regulations and standards relevant skills, strengthen the repair and maintenance; avoid groove crack: not cold and hot temperatures, reducing the alternating stress, easy to see from the slot position, timely repair; avoid water hammer: note hydrophobic soda system, adhere to the water level stable. No anomalies water level; strengthen inspection planning, production supervision and inspection repair, renovation of the review, to eliminate potential accidents.

Poor water quality adverse effect on the industrial boiler water quality caused by adverse negative impact on the industrial boiler caused by (1) the formation of scale. Most likely to form a variety of adverse water quality scale, this will affect the performance of industrial boilers. The reason for the formation of scale, mainly because the steam can release a lot of energy, which energy is transferred to the water, if poor water quality, the boiler heating surface will therefore have a scale, whereby the thermal conductivity will reduce the boiler, the boiler energy consumption greatly increased. The size of the thermal conductivity can be used to measure the thermal conductivity of the object, the thermal conductivity of the scale will be a lot lower than the thermal conductivity of steel, which will definitely affect the thermal conductivity of industrial boilers. (2) boiler corrosion. Poor water quality can also lead to corrosion problems boiler. Especially waterwall, economizer and other metal parts of the drum will thus deformed more weak, and even the formation of leakage, destroy the original structure, reducing the strength of the metal. In this case, the boiler corrosion problems increasingly serious about the safety of the boiler severely affected, can not function properly. Boiler heating surface there will be metal corrosion products, which is more likely to lead to more serious quality problems boiler. Under the scale, cracks, leaks and other problems emerge, a number of difficult to effectively remove debris, clogging pipes, greatly enhance the difficulty of maintenance of the boiler. In addition, during maintenance, due to difficult, it takes more time and effort, improve maintenance costs. (3) induced accidents. Due to poor water quality-induced accidents abound. According to statistics, the scale accidents caused by condensation caused by about 20%. After the accident, the device will not only suffer losses, but also cause great risk to the personal safety of staff. Therefore, to reduce accidents, improve economic efficiency, on the need to strengthen water boiler.

Condensing boiler design trends of what is known, condensing gas boiler with a higher conversion efficiency of the boiler can save a lot of energy, the development of this condensing boiler design for the use of clean energy and fair dealing to bring a better direction. And now for the application of technical standards and demands of various natural cleaning materials it can also be found, condensing boilers also need to design with the times and constantly optimize, and below it for the professional development of our country today assured condensing boilers trend for everyone make a brief introduction. 1. advanced control technology to gradually integrate into the current development of China's technology standards and can be found in today's manufacturing processes, advanced control functions of the boiler system has a greater stability and better maneuverability, so our premix condensing boiler manufacturer in this boiler designs and advanced into the remote intelligent diagnosis process to better achieve the intelligent automation system control device processes. And with this intelligent device management for professional assured of condensing boilers now achieves a better design, whereby the technology and optimized structure designed to have a more stable and reliable. 2. The emphasis on design and development of durability for now condensing technology as advanced new technology, we must ensure that the effect of durability and maintenance of equipment, and the current high cost of condensing boilers also have to have a better life and stability the transfer efficiency. Among our current development condensing boiler technology, durability test itself and the life of the heat exchanger have been fully achieved and improvements. As content discovery of condensing boilers now have a variety of professional improvement of the development, but from the characteristics of the integrated technology of today and condensing boilers can also be found seize the opportunity to achieve the adjustment that allows our customers to enjoy advanced technology condensing boiler equipment. Only improvements in accordance with the direction of this development to be able to let the user the ability to adjust energy costs, more reliable and improve the use of this type of professional quality condensing boiler.

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