vertical gas or oil steam boiler

vertical gas or oil steam boiler

What impact have fuel moisture vertical or oil steam boiler? Most of the aqueous fuel when coal or heavy oil with steam atomization of entrained moisture in an amount not more than 5%, no effect on the coil and the inner shell boiler, the boiler because their materials are steel, steel are mainly: 20g, 16Mng, 15CrMoVg, 19Mng, 22Mng, with a strong antioxidant, water resistance. With more moisture, combustion performance worse, if the moisture up to 40% burn will be extinguished.

Dongying City, Shandong Province in response to low-nitrogen coal-fired boilers, industrial waste heat recycling and other environmental policies, combined with local conditions, Dali urban and rural areas to promote clean heating projects, and achieved remarkable results. As of mid-October this year, Dongying City clean heating rate of more than 72%.

Recently, Dongying Municipal Urban Management Bureau to the outside world, in order to further promote the urban and rural clean heating, it has already shut down 10 coal-fired boilers environmental non-compliance of a total of 155MW.

After shutting down 10 coal-fired boilers environmental non-compliance, Dongying City high environmental standards were established in a total of four 58MW gas-fired boiler and a total of four 70MW coal-water slurry boiler through a series of energy-saving treatment, flue gas emissions much higher than the index of new environmentally friendly ultra-low emission requirements.

Meanwhile, Dongying City, the original heating effect is also unsatisfactory 4.33 million square meters of heating regions to establish a uniform heating systems, and the use of standards to ensure clean heat source; higher operating costs for the original 2.17 million square meters of heating area heat source replacement process, both to ensure good heating effect but also saves a lot of money.

According to statistics, this year the city of Dongying city plans to add a total area of ​​clean warm 8.1138 million square meters, down to the next new clean heating in rural areas 45000.

Recently, Dongying City issued a "Dongying City 2018-- 2020 coal consumption reduction alternative work" (the "Program"), after the completion of the city's 10 steam tons / hour and small coal-fired boilers zero and start steaming for 35 out of work t / h coal-fired boilers and, as of 2020, out of 35 steam tons / hour and coal-fired boilers.

Stoke coal-fired hot water boiler operating temperature range of its coal-fired hot water boiler, which operate in Stoke on what specific requirements will be? Its internal plumbing, how much temperature is generally able to withstand? And coal-fired hot water boiler hot water, whether it is secondary energy? These are associated with coal-fired boilers hot water boiler, so the following to explain the good answer, I hope that everyone in to get what you want. 1. Stokes fired hot water boiler operating requirements (1) before Stoke, first baffle opening smoke wind boiler, let the natural ventilation, the time is about 10 minutes. If mechanical ventilation is employed, then over time, for about 5 minutes. In this manner, the boiler furnace and combustible flue gas remaining in the exhaust clean. (2) For the boiler fire, it is strictly prohibited the use of volatile oils, to avoid problems. For Stoke-speed coal-fired hot water boiler, attention can not be too fast, in general, is not less than half an hour. Also, before Stoke, should open the circulating pump, so the job. 2. coal-fired hot water boiler interior water pipes, on the temperature, how many can afford to live? For coal-fired hot water boiler pipes inside this kind of boiler, it could afford, in general, hundreds or thousands of degrees is no problem. And it's also related to the boiler pressure. If the pressure is higher, the higher the temperature in the boiler furnace, so that the internal water circulation faster. 3. coal-fired hot water boiler, hot water, whether it is secondary energy? Coal-fired hot water boiler hot water, which belongs to secondary energy. This is because the secondary energy, which can also be called secondary energy, or artificial energy, primary energy is converted to a processed or derived, such as gas, coke, gasoline, heavy oil and steam and hot water. So, the question, the answer is yes. For coal-fired hot water boiler, the question raised above, as well as specific answers given, so that everyone can be a comprehensive knowledge and understanding of this kind of boiler, so as to carry out well the practical application of their work, and add some expertise. Furthermore, the use of effects and use value of the product to be improved.

What are the precautions in the loading and installation of gas-fired vertical or oil steam boilers?

Gas-fired steam boilers are a very wide range of special equipments, widely used in food, chemical, paper, textile, construction and other industries. In the process of loading and installing a gas steam boiler, some problems must be paid attention, otherwise it may cause a certain degree of economic loss.

1. Pay attention to the following matters during the loading and unloading and handling of gas-fired boilers: the lifting capacity of the lifting equipment should match the weight of the lifting boiler. The lifting lug on the boiler with the lifting lugs that cannot be used for lifting can not be used for lifting. The length of the steel cord should be reasonably selected to avoid the scratching of the furnace due to the improper length of the steel cord. The boiler must be protected from any damage during handling and handling.

2. Reserves for maintenance space When installing boilers, ensure that there is sufficient maintenance space around the boiler.

3. Setting and precautions for the base and base of the gas steam boiler The boiler body must be installed on the basis of 100-150mm above the floor of the boiler room. It must be confirmed with the technical personnel of the boiler manufacturing company in advance and constructed according to the basic drawings. The anchor bolts must be reserved on the foundation. The foundation shall be capable of withstanding the maximum weight of the boiler and the amount of water it holds. When installing the base, you must first position it. After positioning, adjust to the same length of the two diagonals of the base, and then tighten all the fixing bolts. The installation of the base is carried out with reference to the reference line.

4, general precautions Be careful not to tilt and impact the boiler and accessories too much. No combustibles can be placed around the boiler. Do not use oil and water to smother the boiler. The boiler should normally be installed in a separate boiler room. The new gas-fired boiler room should not be connected to the house. The boiler room shall not be connected to Class A, Class B and Category C fire hazard rooms using flammable liquids. If connected to other production plants, the application firewall is separated.

5. The fire resistance grade and fire protection requirements of the boiler house building shall comply with the requirements of the Code for Fire Protection of Building Design and the Code for Fire Protection Design of High-rise Civil Buildings. The ground of the gas steam boiler room should be flat, non-flammable, no water accumulation, and the foundation load should meet the requirements. The power supply voltage of the gas steam boiler room should be stable to avoid causing the electrical components to burn out. If the voltage is unstable, it is recommended to install a voltage regulator. Ventilation equipment should be installed in the boiler room, and the boiler should be kept at room temperature below 50 °.

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