Boiler maintenance boilers summer after a period of time, we all know you want to carry out maintenance, but maintenance is luxurious, in fact, the time period is divided seasons, summer and winter maintenance methods are not the same, the following gave you about summer maintenance of equipment: 1, shutdown exhausted after pot of water to clean up soot and scale, open manholes, hand holes boiler to dry, then add calcium oxide in the furnace and other locations, after closing manholes, hand holes to prevent the ingress of moisture. 2, the housing is mostly made of a metal, they must pay attention to prevent moisture. ① worth to remind that the bottom of the plane must not be stagnant water gas boiler operation, the water once it is susceptible to corrosion, erosion after the enclosure is not only unsightly but also affect the insulation effect, and some even affect its safety. ② anti-corrosion as well as a simple method is to paint coated boilers, this shortcut will not only enhance the aesthetic appearance of the boiler, but also reduce the possibility of dangerous accidents. 3, the use of fuel: it is inspected once every 3-6 months to check all aspects of the maintenance ① once every 2-3 weeks. ② When checking the boiler: is divided into two inner and outer portions, wherein particular attention corrosion and weld steel plates, if it is found necessary to timely repair severe corrosion. 4, if long-term neglect flaw, it could have serious security problems, by then more harm than good. 5, about once every two weeks after the inspection, and the desiccant is failed. Boiler maintenance is vital, if maintenance is not in place it will affect the use of equipment, noting that according to the season we want to combine maintenance and other factors together, ensure that equipment can be long-term use, improve work efficiency.
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.
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.
Steam boiler heat loss is what causes? Steam boiler heat loss caused to the user a lot of burden, whether it is hot chinese fire tube steam boiler horizontal what is causing the loss of it? To analyze together with you today. Specific causes heat loss of the steam boiler at several: 1: heat loss of exhaust energy: smoke exhaust gas boiler comprises means losses are not completely absorbed by the steam heat loss. How caused? Short distance high temperature flue gas fan suction force is too high, the high temperature flue gas immediately excluded from the boiler; a small heating area, high temperature flue gas boiler can not be sufficiently absorbed. 2: the fuel gas does not completely heat loss: the combustible gas discharged from the flue gas generated in a boiler, the fuel in the combustible gas or gaseous fuel combustion process itself does not contain all of the incomplete combustion releases heat losses arising. As the incomplete combustion of carbon monoxide and carbon dioxide containing off-gas produced by combustion compared to the complete, only a quarter of the amount of heat released. 3: Solid incomplete combustion heat loss: refers to the solid fuel combustion process as a fuel grate down the drain does not release the heat of the flammable substance and ash contained in the combustion of the fuel can not completely burned released heat loss caused. 4: Loss steam boiler Grate: refers to the internal heat loss of the absorbent. 5: high temperature heat loss: Indicates high water temperature and hot water temperature, heat loss. 6: heat loss in steam boiler pipes caused by furring.