chain grate coal steam generator

chain grate coal steam generator

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.

Electric heating steam boiler can be placed directly in the workshop steam from a steam boiler which is heated electrically to a point, then steam plant, that is, becomes condensate. Particularly to night non-continuous steam plant, each time before using the steam that is discharged will require large amounts of condensate, this time, that means the waste of energy. Then, it is on will be more in the management of personnel, need to be arranged over the holder Boilermakers were on duty, this way, that will increase the cost of the manual. To highlight the advantages of the now traditional electric heating steam boiler steam boiler, the first point is concerned, it is more to save energy, because eliminate the loss on the transport network, which is the way of saving energy will supply steam than conventional 30 -50%, so in terms of the case, which is able to meet the requirements of sustainable development. It is to pay attention to will be relatively simple in management, on the chain grate steam generator electric heating steam boiler that is, would not fall within the scope of the pressure on the boiler, this time, that can be placed directly on the shop inside, not We need to use a separate boiler room building. When needed direct steam plant workers on the steam boiler is heated by electricity will also be turned on, and the factory will be more beautiful.

Electric heating steam boiler replacement can be significant savings in annual electricity consumption: have had experience in chemical production people know, the vessel was heated power consumption has been the largest chemical production point system, whether as an entry point to reduce costs, is long plagued the problem of chemical industry. After a long period of research and at the same time, it was discovered that the use of steam boilers, chemical production can reduce costs radically. The original electric heating reactor to complete the chain grate steam generator heating steam, both to meet the needs of the production process, but also reduces the cost of power consumption. Electric heating steam boiler replacement can significantly save electricity each year. Reactor apparatus as used in modern industry, widely used in food processing, pharmaceutical production, dye processing, petrochemical industry, rubber, pesticide manufacturing and other industries.

The basic configuration of the heat of the gas steam boiler steam boiler and service method is natural gas, liquefied petroleum gas, fuel gas such as city gas as fuel, the combustion in the furnace released heated pot water, and allowed to vaporize into steam heat conversion equipment. Water in the pot is continuously released from the combustion of a gaseous fuel energy to heat the furnace, raising the temperature and generating steam under pressure, since the boiling point of water with elevated pressure is raised, the pot is sealed, the expansion of the water vapor inside limited dynamic pressure generated heat is formed as an energy source is widely used. Steam boiler fuel burn-up and to ensure that the flue gas outlet temperature was cooled to a safe value convection heating surface of the work; using the heat of the flue boiler feedwater heating, in order to reduce exhaust gas temperature, fuel economy and functions. Each chain grate steam generator heating surface and joined together and water wall tubes and other components decreased water circulation circuit. Soda storage drum, can adapt to changes in load, with internal steam separator means to ensure the quality of soft drinks, no DC boiler drum. Gas steam boiler feed water must go through qualifying process, which is to extend the life of the boiler, ensure the safe operation of the important issues. Water temperature should be close to the furnace temperature. Must regularly inspect the low water cutoff maintenance and cleaning. Water Level Controller cleaned at least once a month, rinse water table at least once a day. Rinse water table should be at the highest level; after flushing the water level should not be less than the minimum safe level, not as a net wash, can wash many times, but it must be flushed at the highest level. Require periodic sewage operation, at least once a day, after the sewage drain valve should be checked because of possible contamination and leaks; if it must be excluded. When shutdown is not maintained while the steam pressure, the steam space of the boiler will produce negative pressure air entrapment, and therefore should rise again to the fire burning total steam valve is opened.

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