research report on boiler industry in china

research report on boiler industry in china

The transformation of hot water research report on boiler industry in china construction from the perspective of energy security point of view, the boiler is an energy conversion device. In the boiler, the primary energy (fuel) can be converted to a chemical reservoir through a combustion process is a combustion product (flue gas and ash) contained in the thermal energy, and heat transfer to the combustion process in turn an intermediate heat carrier (water through a heat transfer process and steam). It will depend on the heat supplied to the heating apparatus. With the increasingly serious air pollution, Henan fast boiler uses condensing technology, with the continuous optimization of enterprise in Henan fast boiler, condensing technology has been able to meet the environmental requirements in most areas. Of course, the emergence of condensate, gas-fired boiler led to price increases, particularly in the heavily polluted northern cities. Condensing gas boiler is a heating device. When a user receives heat from condensing boilers, they are also aware of the changes condensing technology for environmental requirements. 1. Made of steel - aluminum composite finned tube, condenser and economizer are made of steel - aluminum finned tubes, Nd is made of steel.

There are reasons for which reason the research report on boiler industry in china fouling boiler fouling, first calcium and magnesium contained in the water hardness or to the iron, the silicon content is too high;? The same time, since the high temperature high pressure boiler special conditions. The main scale formation process is: 1 pyrolyzed at high temperature and pressure, some of the original water-soluble calcium, magnesium salts (e.g., bicarbonate) thermal decomposition, a precipitate became soluble substance. 2. The solubility decreases at high temperature and pressure, some salts (such as calcium sulfate, silicate, etc.) the solubility of the substance is greatly reduced with increasing temperature, up to a certain extent, will a precipitate. 3. pot of water evaporation, is concentrated under heat and pressure, the concentration of the salt in water with the substance and concentrated by evaporation pot and increasing, when reached saturation, precipitate separates out heating surface. 4. Conversion to react with each other and the original larger solubility in water, salts and other salts react with each other in operation, the generated precipitate insoluble material. If the reaction occurs at the heated surface, is formed directly on the scale; if the reaction occurs in water to the pot, slag is formed. Some of the water is a viscous residue, and when the sewage is not timely removed, will be converted into scales. Additionally, some corrosion products adhered to the heating surface, are often easily transformed into a metal oxide scale. These substances precipitate bond boiler heating surface to form a scale, the higher temperature portion, the more easy to form a hard scale.

In October 2016, my company and the China Dunhuang International Hotel signed a ZWNSL2.1-1.0 / W-Y.Q vacuum condensing gas hot water research report on boiler industry in china to provide heating and hot water for the hotel. The boiler implementing the response to the national policy of environmental protection requirements and local environmental protection departments on a series of low nitrogen emission standard boiler requirements, in terms of design, manufacture, installation and other sectors have strict checks to ensure that the boiler safe and stable operation.

Steam research report on boiler industry in china steam boiler safety rules are a constant in the work of the special equipment under high temperature conditions, improper operation will have a risk of explosion. To ensure their safety, economic operation, specially formulated the following procedure: First, the duty must strictly observe labor discipline, not AWOL, not doing things unrelated to the unit during operation, and strictly enforce the rules must not illegal operation, and strictly drunk and sick to work. Second, keep an eye on the water level and pressure changes, so that combustion stability, stable water level, steam pressure stable. Is strictly prohibited water, full of water and overpressure run accident occurs. Once the severe water shortage in the boiler found that the boiler water is strictly prohibited! Third, the periodic flushing water pressure gauges, which remains clean and bright, easy to observe. Automatic water level control, over-pressure protection device and alarm device chain, must always be sensitive and reliable in the state, found that the problem should be repaired in time. Fourth, the valve should have regular manual test (once a month, a day shift within the last month, the operation should gently pull handle with care) and vapor dynamic test (per quarter) for the last day shift) to maintain its sensitivity and reliable . V. earnestly implement sewage system and operating requirements, to reduce the level of emissions per 25 ~ 30mm is appropriate, should run at a high pressure, low load. Sixth, the duty should be carried out inspection tours in the boiler, in order to grasp soon safety accessories and a boiler ancillary equipment (such as economizers, pumps, motors, valves, etc.) can not be found safe operation of boiler feed water to the boiler or other threatening when running situation, should immediately stop running. Seven, water quality testing staff often get in contact, water quality control, water quality strict implementation of national industry standards, strengthen water quality management, to avoid the knot raw scale and corrosion inside the drum. Eight, careful operation, outside the fireman on duty personnel at any other person shall tamper with the console press the knob in the boiler and valves, instrumentation, etc., fill out the log boiler.

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research report on boiler industry in china

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