50000-400000kcal vertical fuel fired hot water boiler

(13)Maintenance of oil-fired boilersDry maintenance method: after the oil-fired boiler shut down, put away the furnace water, thoroughly remove the internal dirt, rinse clean, dry in the furnace with a slight fire (pay attention not to fire), and then pack the lump of quicklime 10 mm in diameter and 30 mm in diameter. Placed in the pan, without contact with metal, the weight of quicklime is calculated at the volume of 8 kg per cubic metre of the drum, and then all manholes, hand-holes, pipe valves are closed and inspected every three months, such as crushed ingredients of quicklime, The boiler should be replaced immediately, and the quick lime and tray should be removed when the boiler is re-running. (2) Wet maintenance method: after the boiler is shut down, the furnace water will be discharged and the internal dirt will be thoroughly cleared. Except rinse clean, reinject the treated water until full, heat the furnace water to 100 ℃, let the gas from the water drain out of the furnace, and then close all valves, do not adopt the moisturizing method in cold weather, so that the boiler will not be damaged by ice in the furnace water.

At present, among all kinds of descaling methods, the effect of pickling is better, but if the pickling process is not suitable or not properly controlled, it will also affect the descaling effect or corrosion of metal, and sometimes even seriously affect the safe operation of the boiler. In order to ensure the safety and quality of boiler pickling, the State Bureau of quality and Technical Supervision has specially formulated and issued the "rules for Chemical cleaning of boilers". It is also stipulated that the units engaged in boiler chemical cleaning must obtain the qualification approval of the boiler pressure vessel safety supervision organization at and above the provincial level in order to assume the corresponding level of boiler chemical cleaning. No unit or individual (including a furnace unit) without corresponding qualifications shall be allowed to pickle the boiler without authorization .

It is reported that Shandong Province to further promote the action of atmospheric pollutants governance, but also to "defend the blue sky strategy" escalating, the Shandong provincial government amended the new "Regional Air Pollutant Emission Standards" and other three local standards, as the province's mandatory local standards of environmental protection, on November 1, 2019 formally implemented.

1, to improve the standard index-related emissions, can improve the level of clean production, reduce pollutant emissions, Forced out of high-emission equipment, improve air quality. The revised standard canceled the densely populated high-polluting industries sewage privilege, the use of emissions phased strategy partition; divides a region of Shandong Province as the core focus, and general control zone, different regions perform different emission limits, based on the location of the enterprise partitioning control requirements.

2, a new round of defense blue sky "Strategy" will be ultra-low emissions standards covering all coal-fired boilers in Shandong Province, and will gradually promote the non-coal industry, requires iron and steel, coking industry emissions to meet ultra-low emission standards. Key building materials industry emissions control area cement, ceramics, lime, glass, etc. are also required to achieve ultra-low emission standards, the general control zone cement, ceramics, glass and other building materials industry emission requirements more stringent than the national standards.

3, changes in air pollutant emission standards in the current round of revisions is the biggest "air pollutant emission standards iron and steel industry." The new revised standard will help eliminate a number of small-scale, backward technology, compliance governance hopeless small-scale iron and steel enterprises, and guide the existing steel enterprises discharge standards by clean energy alternatives, etc., so as to promote Shandong Province, energy, industrial restructuring, improve the quality of atmospheric environment.

4, according to monitoring data, 2018, Shandong fine particulate matter (of PM2.5), particulate matter (of PM10), sulfur dioxide (SO2), (NO2) average concentration of nitrogen dioxide fell 14.0%, 8.5%, 33.3 %, 2.7%; the number of days of heavy pollution fell for 5 days. Wherein the fine particulate matter (of PM2.5) than the average concentration of 2013, 2015 decreased 50.0%, 35.5%.

According to the "2013 Shandong Province - 2020 air pollution control plan" in 2020, the province's basic ambient air quality standards, compared with 2010 improved by 50%. Since 2013, Shandong "broken wrist" environmental pollution, has released various standard 102.

So the design rate of energy and energy efficiency is closely related to the gas boiler, Moreover, manufacturers also need to have a good product configuration, so-called boiler, in fact, important is that it's internal configuration, if the quality of a burner on the boiler inadequate nature will be allowed in the use of difficult high energy efficiency. Now the production of boilers generally are also multi-link mode, that is, manufacturers often produce only a body, the other parts are configured to be provided by upstream suppliers, if a manufacturer is not well upstream suppliers, want let it have a good energy saving is very difficult.

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