automatic fire tube oil fired 4 ton steam boiler

Boiler cleaning the necessity and significance of the boiler after a long run, the inevitable emergence of scale, corrosion problems, these problems are due to the generation of scale, so that the heat transfer deterioration, resulting in reduced efficacy boiler. It is difficult to achieve nominal evaporation; and since the heat transfer is deteriorated, such that the metal overheating, under pressure boiler, furnace tube bulge occurs even explode; poor thermal conductivity, so that the fuel consumption is increased, increased operating costs, boiler shortened life expectancy. Therefore, the boiler scale, should take the necessary cleaning methods. Of the boiler system operated at optimized state, it must be specialized chemicals treatment of boiler system water system: to remove scale, rust and anti-corrosion treatment: 1 chemical cleaning: adding a chemical cleaning agent to rust in the system , dirt, cleaning oil dispersion is discharged, reduced to clean metal surfaces; 2, routine maintenance: boiler scale inhibitor is added, to avoid rusting of metal, to prevent the crystalline precipitate calcium and magnesium ions. Boiler cleaning in two parts, part of convection boiler tubes, superheater tubes, air heaters, waterwall tubes scale, rust cleaning, i.e. water boiler water treatment, we used the final Li Jing Ling descaling operation, neutral cleaning technology cleaning operation, relatively low cost; cleaning of the part of the outer tube, i.e. the cleaning of the boiler furnace, we used high-pressure water jet cleaning technology, it is possible to achieve good results. 1, the cleaning operation may be neutral at neutral or weak alkalinity (pH 7-12) conditions, the water does not change the operation of the boiler a predetermined state index, do not stop cleaning, cleaning can reduce the loss caused by the stop, this is a the only signs of cleaning. 2, security theory and practice of running the boiler have proven non-erosive, washed acid-free cleaning under neutral conditions, the corrosion rate is less than the water washing of the corrosion rate of the metal, no corrosion damage to the metal. 3, non-toxic and pollution-free operation of the Spirit is a green cleaning products, boiler blowdown COD after its cleaning. BOD. The pH full compliance with national standards. 4, easy to use drugs added to the water supply can be, without a separate professionals, post operator can operate, it can be widely used. 5, a significant saving, the cleaning process in which water is the normal production water, unlike dispensing additional consumption pickling, passivation, and a large number of repeated washing of freshwater resources consumed. High pressure water jet cleaning technology uses water as the medium, so that the water system by special equipment to produce multi-beam, multi-angle, high-pressure water jets of different intensity. Internal cleaning object fouling, plugging, or be completely cut surface adhesion, crushed, pressed and washed in order to achieve complete cleaning. Whatever the fouling deposits, high pressure water jet cleaning device for cleaning, can be completely removed, which considerably metal color. It does not require chemicals, or corrosive flux, safety, and environmental protection. Boiler air preheater, waterwall, superheater, economizer heating surface and the like due to clogging of the exhaust gas temperature, boiler efficiency is lowered, increasing the wind electrical energy consumption; the fan will cause severe blockage afford pulling negative pressure oxygen furnace not enough, boiler forced outage. Using high pressure water jet technology, the cleaning effect is obvious. Equipment from high pressure water pump, water hoses, high pressure gun, special nozzle and other components. Cleaning process: water pressure via a high pressure pump to the 50 ~ 100Mpa, via line transferred to the system actuators work surface, forming a bundle of fine high-pressure water emitted from the nozzle with a high pressure water jet but powerful strike capability, which exit velocity up to 380m / s, the heating surface fouling rinse. The high pressure cleaning technology to clean, easy to adjust, cleaning equipment to be non-corrosive, non-polluting the environment, the effect is obvious characteristics, is an effective and a good way to save money and effort, especially suitable for solving air preheater clogging, severe coking furnace heating surface slagging problems. Generally reduce exhaust gas temperature of 4 to 12 degrees, the main improved reheat steam temperature of 0.5 to 5 degrees, to reduce electrical energy consumption for the wind, and early detection of creeping inflation, under scale corrosion risks, the unit safe and economic operation of very help.

The capacity of the boiler is also called the output of the boiler. It is the basic characteristic parameter of the boiler. The automatic fire tube fired 4 ton steam boiler is expressed by the evaporation amount, and the common unit is ton/hour (t/h). Hot water boilers are expressed in terms of heat, in megawatts (MW). The hot water boiler produces 0.7 MW of heat, which is roughly equivalent to that of a steam boiler producing 1 t/h of steam. ZG boiler produces oil and gas boilers with different capacities, which indicate the rated output of the boiler, that is, the evaporation or heat supply under normal working conditions when the boiler is in continuous operation for a long time.

Two of the three types of protection devices What is the difference of fuel vapor automatic fire tube fired 4 ton steam boilers and boiler fuel gas steam boiler steam boiler fuel for steam boilers, steam boilers or fuel oil-fired boiler is in, no matter which argument, are refers to this kind of boiler fuel steam boiler. 1. the type of fuel steam boiler fuel steam boiler, which in general, can be divided into both established and horizontal. Vertical fuel steam boiler: the combustion engine, generally use the set in this manner, and using two-pass configuration, so that complete combustion can be performed. In addition, the use of these forms, the stability of the operation of the boiler, it is also very beneficial. The advantages of vertical steam boiler fuel, mainly for high thermal efficiency, and can reduce costs. Horizontal fuel steam boiler: the structure, using a three-pass tube pyrotechnic this configuration, pressurized combustion chamber so that combustion, thereby reducing the combustion load, and reduce exhaust gas temperature. As a result, promote energy conservation, economic performance of the boiler. Further, since the waveform of threaded pipe and furnace thermal efficiency of the boiler can be remarkably improved, and the use of time can be increased. 2. The fuel vapor pressure protection boiler controller: generally this type of high sensitivity, is mainly Zidongkongzhi or chain protection. And may be adjusted according to actual operating pressure of the boiler, so that appropriate. Flame protection: in the main burner, a flame failure protection devices. Its role is the amount of fuel steam boiler combustion is detected, when abnormal combustion, can take immediate steps to make the boiler stopped working in order to avoid some of the adverse consequences. Self-locking power failure protection: Usually burst power for this case the use of the protective device, so that when a sudden power failure, the fuel steam boilers can immediately shutdown and self-locking. Note, however, that when power is restored, the boiler will not start on its own, it must be reset after unlock, boiler to start the ignition and start working. Fuel gas steam boiler and the steam boiler distinction fuel gas steam boiler and a steam boiler, as energy saving device belong to the combustion products of carbon dioxide and water, will not pollute the environment. Oil-fired boiler and gas boiler biggest difference is the use of different fuels, gas boilers use natural gas, city gas as the fuel, light oil, heavy oil-fired boiler is used as fuel. In contrast gas boilers, boiler fuel cost is much higher than gas boilers, therefore, those commonly used in the oil-fired boiler operating conditions of enterprises do not have a gas boiler or Shiyedanwei use. The difference between the fuel and gas steam boiler steam boiler: 1, fuel different: the former light oil, heavy oil as a fuel, which uses natural gas, city gas, liquefied petroleum gas as fuel. 2, the burner different: the former use of oil burners, gas burners later use. 3, different cost: the former high cost, about 1-2 times the cost of the latter. The same point of the fuel gas steam boiler and a steam boiler: 1, the same boiler: the same tonnage same steam boiler or hot water boiler of the boiler body. 2, the same auxiliary components: in addition to the burner, auxiliary oil-fired boiler and gas boiler accessories equivalent tonnage same. 3, the same production process: The process of production and processing were carried out in accordance with the same process and production standards.

Shanxi Province to respond positively to treatment advice on remediation since 2014, new registrations of 10 steam tons / hour coal-fired boilers and environmental supervision of the central group feedback, recently, government inspectors focus group, conducted a comprehensive inspection of coal-fired boilers activities, to grasp the progress and corrective measures to ensure the successful completion of the renovation work.

The statistics, since 2014, Datong new registered 10 steam tons / hour and a total of 48 coal-fired boilers, according to the provincial Bureau of Quality Supervision requirements, the county district special equipment related regulatory authorities have the 48 legally registered boilers Log off, and conduct regular inspections. As of to date, 36 units have been removed, still with 11 units, the remaining aspects of the transformation of a substance being born.

Currently, 11 boilers are still in use, some have been re-ordered natural gas boiler, gas pipeline work underway access; some have been able to replace air heating equipment; also because of the administrative division adjustment, need to further define the charge of the task.

Follow-up inspection staff proposed remediation work boiler suggested that there was any objection to the main regulatory responsibility, clear as soon as possible; dismantled boiler, strengthen follow-up supervision; boilers still in use, depending on the circumstances be accountable to county-owned enterprises; the ongoing transformation of the boiler, a clear transformation is complete to confirm compliance and acceptance of responsibility department, and follow-up supervision.

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