With the rapid modernization of industry, the scope and quantity of boilers are increasing year by year, which makes the safety of boilers become an unavoidable topic, which is also a difficult problem that puzzles many enterprises. The safety measures of industrial boilers can protect the property and personal safety of our enterprises and individuals from damage. Here are some measures to prevent accidents of industrial boilers.
1. Observe the material, strength, type of connection, welding and cold-working components of the main pressurized parts of the industrial boiler drum, such as housing, head or tube plate, furnace liner, etc., to meet the design and manufacturing regulations. It is necessary to pay more attention to the fire tube boiler because of its larger diameter, more pressure components, more complicated connection types and so on.
2. During the maintenance of industrial boilers, the caustic soda brittleness, serious corrosion deformation and groove cracks should be highly vigilant, carefully checked, and the quality of maintenance must be guaranteed to prevent sudden tearing due to lack of strength or crack expansion.
3, operators must bear in mind: serious water shortage, do not feed water, so as not to overheat the wall of the pot, not as expected and brittle. Even high-quality and durable industrial boilers should be paid special attention.
4, industrial boiler safety valve and other safety accessories must always be sensitive, accurate and reliable. An important common cause of explosion in most small boilers is the absence of safety valves or failure of safety valves to cause overpressure. If the safety valve is normal and operated under low pressure, the explosion can be completely avoided.
5, pay attention to the links that are easy to be ignored. Cooking, bathing, heating, hot water boilers and tea stoves are also frequent accidents. These boilers are small in volume, low in pressure, more in the living department, often not noticed and paid attention to, it is easy to become a weak link and loophole in boiler safety management, so special attention should be paid to it.
Dongguan City, Guangdong Province in phasing out coal-fired boilers to replace the environmental transformation, biomass boilers in industries packaging, leather, clothing, textile and other widely used. However, biomass boilers still present drawbacks: If insufficient biomass combustion, typically generate a lot of dust, nitrogen oxides and other pollutants, improving PM2.5 concentration, air quality.
Dongguan City Atmospheric Office official said that since the Dongguan started Blue Sky Battle since, the city ton output capacity the courage to decisively eliminate those high pollution and high emissions industries and enterprises, won the majority of the masses of people, as well as many businesses family support; many enterprises to actively upgrade and elimination of outdated equipment and production capacity. In the eco-friendly background, out of high pollution equipment is the trend.
Transformation and upgrading of enterprises demand, government support policies have, inside and outside the echo, Dongguan out of biomass boilers into the fast lane. As of January 10, a biomass boiler out of the task of the city within 31 town street in Shilong, South City, the nave, Ma Yong, Hou Jie, stream, Feng Gang, Xie Gang, Chang Ping, Shek Pai, Chashan 11 Towns in the completion of the task of eliminating all living matter within the jurisdiction of the boiler. In addition, Long, Qi Shi, Tangxia, Sha Tin Kau five towns out of the completion of more than 90%, the remaining 15 Towns also have the confidence out of the task in the year 2019.
While out of the biomass boiler, Dongguan City, accelerate the pace of construction of gas pipeline to provide clean energy for the needs of the enterprise.
Atmospheric Office official admits:. "A few years ago, the city lags behind the construction of the gas pipeline, laying of pipe network coverage area of a small number of enterprises in the coal phase-out of high-polluting fuels, the use of biomass boilers as an interim energy supply equipment, there are also often allowed to change the fuel business, steal burning coal. "but now, due to the environmental protection departments to actively coordinate the town street, village (community), industrial areas, and vigorously promote the construction of natural gas pipeline, starting from the source to provide clean energy for businesses, stealing burn the behavior of coal is greatly reduced.
Over the past year, the city has a new natural gas pipeline 256.6 kilometers, 530 companies have security using natural gas. The city urban management department based on the actual distribution of useful gas needs of enterprises to develop business for the city's more than 600 natural gas pipeline construction plan and coordinate the new Austrian, Xinghua, often positive and three gas pipeline company to carry out construction work to ensure that the natural gas pipeline construction project smoothly, so that more companies access to clean energy as soon as possible.
According to statistics, date, Dongguan City gas pipeline or central heating station accessible area of 660 biomass boilers, has eliminated 572 units, 41 enterprises have to apply for the boiler out of subsidies.
Further more, since the large capacity of power plant boiler, good dust effect, chimney height, except nitrate furnace desulfurization can achieve, compared to small boilers, thermal power plants, and its environmental and social benefits enormous. Preliminary estimates, China's current cogeneration energy savings of 30 million tons of standard coal per year, reducing carbon dioxide emissions by more than 6,500 tons, reducing sulfur dioxide emissions 600,000 tons, reducing emissions of 13 million tons of ash.
Gas boiler pressure test: The pressure test gas boiler in general need to be completed before the end of the heating period. Data collection, strictly in accordance with the terms of specifications, according to actual needs and adjust the program tests the next day, the test pressure may be used to determine the gas boiler operating pressure. Gas boiler pressure test can be used to determine the working pressure, periodic inspection of gas boiler water pressure at intervals of once every six years. For new clothes, move equipment, disable more than one year need to restore gas boiler operation, as well as major repairs of boiler pressure parts through the hydrostatic test should be carried out. Hydrostatic pressure test, methods, procedures, and acceptance specifications to perform according to the relevant regulations. Not to pressure hydrostatic test to determine the working pressure of the gas boiler. Knowledge regarding the operation of natural gas boiler
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