Detection of gas steam boiler and test methods for precautions gas steam boilers and pressure vessels and piping, with the continuous progress of the times, the use of fuel combustion boiler is released by heat or other energy to heat water or another working fluid to produce specified parameters quality steam, hot water or other working fluid devices are widely used in organs, institutions, businesses and industries. At present, the Chinese economy undergoing rapid change, the boiler industry is more prominent, and technical performance close to the level of developed countries, formed the independent development of generation after generation capability of new products. Boiler is the economic development of the times indispensable commodity, and once the boiler in use, generally require continuous operation, can not be arbitrarily disabled, otherwise it will affect the production and life of the production line or area, so the boiler, the safe operation of pressure vessels is very worthy of study of. Boiler or heat using a fuel other sources of water can be heated in hot water or steam machinery. Pot original meaning refers to containers that hold water heated on the fire place burning stove refers to fuel, boiler and furnace boiler consists of two parts. Generating hot water or steam boiler may directly provide heat required for the industrial production and the people's life, by a steam power plant can be converted into mechanical energy, or through the generator converts the mechanical energy to electrical energy. Provide hot water boiler hot water boiler is called, is mainly used for domestic, industrial production also have a small application. Boiler steam is known as steam boilers, often referred to as boiler, used for power plant, ships, locomotives, and industrial and mining enterprises. First, the test content and methods of pot seized pot seized center and stood responsibility boiler and pressure vessel installation supervision and inspection of the whole network is the main purpose of the inspection work carried out by the installation, the boiler and pressure vessel crew statutory inspection fell at all. In the supervision and inspection work, the installation of Supervision and Inspection of pot seized center, strict implementation of the various companies of pot seized the station state and industry regulations and standards, the implementation of test plans and implementation programs, implementation, etc. quality assurance system played a supervision, promote and improve role. Many problems found at the scene, assess test results and play a guiding role for supervision and inspection of processing problems found. Boiler and pressure vessel and pressure pipe installation involved in the process of their projects safe operation of inspection and boiler pressure vessels and pressure piping installation units installed functioning of the quality assurance system to check the contents of Quality Supervision, Inspection of boilers and pressure vessels and pressure pipes. Content and external inspection methods, internal inspection and hydraulic test 1. test gas steam boiler pressure vessels and piping is the main content of the periodic inspection of the boiler. Pressure vessel and self-check items: including manufacturing data, construction data, safety accessories, protection devices, the appearance quality, the device designer, the support, the expansion pipe, the installation checks weld inspection, hydrostatic testing, installation weld appearance, insulation, platforms, escalators. Pressure pipe and a self-test program: including technical information, the pipeline route, slope, creep bulging measuring point, the position of the monitoring section and hangers, the appearance quality of the pipe, pipeline installation weld quality, weld quality hanger installation, pipe expansion hydrophobic conditions, hydrostatic testing, creeping inflation measuring point measuring the radial distance, creeping inflation measuring points on both sides of the pipe outer diameter or circumference measurements, pipes, drainage system installation. (1) external inspection. External inspection refers to the inspection, external inspection of gas steam boiler steam boiler operating state of the security situation boiler is generally one year. In addition to the normal external inspection, some of the following circumstances should also be external inspection: When reassembling the boiler began to put into operation; recovery boiler stop running when you run more than one year; after the combustion and boiler safety automation system has changed. (2) internal inspection. Internal inspection refers to the inspection of the steam boiler boiler security situation in the state shutdown, internal inspection general inspection every two years. In addition, when there are special circumstances, it should also be an internal inspection. (3) pressure test. Pressure test is a test pressure in the boiler water as a medium, a predetermined test pressure of the boiler and the strength member for receiving tightness. General hydrostatic test once every six years, the boiler can not be internal inspection shall be conducted every three years water pressure test. Hydrostatic test failed boiler must not be put into use.
Works steam boiler steam boiler structural characteristics: 1. Heat generated in combustion of coal is first absorbed water wall heat transfer by radiation, boiling off the water wall, a large amount of steam (excluding DC furnace) inside the drum, separated saturated steam enters the superheater, and by radiation and convection manner continue to absorb top horizontal flue heat and smoke flue tail, the superheated steam to reach the required operating temperature. Steam boilers for power generation is usually provided with a reheater, to a high pressure steam heated cylinders. Reheat steam reheaters into the low-pressure cylinder continue to work to generate electricity. 2. pulverized coal work, the location of the center of the flame will affect evaporation. Generally, when the center of the flame is low, a large amount of evaporation, and when the high center of the flame, a small amount of evaporation. Also affects the position of the center of the flame superheated steam or reheat steam temperature. Normally, when the center of the flame is low, superheated steam, in particular steam reheating temperature to be low, and the temperature of the superheated steam is high. 3. Pulverized Coal Burner front and rear walls is arranged a thrust manner, tangential firing mode, bis tangential firing methods, each method has its own characteristics. Biomass boiler is a kind of boiler to biomass energy as a boiler fuel called biomass boilers, steam boilers into biomass, biomass hot water boiler, biomass stove, biomass thermal oil heaters, vertical raw biomass boilers, biomass boilers and other horizontal. Since the above-described arrangement can not be applied in the same furnace at the same time, the influence of steam can not be directly determined. Steam boiler structural characteristics: 1, the steam boiler body welding: the main welding using submerged arc welding technology advanced, to ensure the welding quality. There are heating and hot water boiler bath for two purposes. Hot water boiler by circulating hot water circulation pump hot water holding tank, the tank hot water heating cycle can be achieved bath object; hot water boiler by circulating hot water circulation pump heating conduit, through the heat sink (radiator) people can achieve heating requirements; hot water boiler and hot water circulating pump with heat exchanger can be achieved bathing and heating dual function. All welds are main as required "safety Technology supervision standard", 100% ray detection electrode according to the eligibility criteria Ⅱ. 2 is a horizontal steam boiler combustion all wet back three-loop structure. 3. The steam boiler front smoke box is sealed asbestos refractory material made of graphite. The reliable seal, ensures that no leakage of steam boiler flue gas at positive pressure conditions. 4. Thread flue: 2019 the newest steam generator in bandung secondary regenerator flue threaded convection heating surface, contribute to the efficient heat transfer. Enhanced heat transfer, thermal efficiency of the steam boiler, a single light pipe threaded pipe or 2.4. When the fluid flows in the tube, the flow rate of the fluid near the wall is low, the fluid on the wall boundary layer is called. In several of the flue gas duct in the outer aqueous series resistance, the maximum thermal boundary layer, but the boundary layer is very thin, as long as the boundary layer is slightly perturbed, such as by pressing on a common wall of the boss, the thermal resistance will be greatly reduced, while an effective method which is threaded pipe. 5. To make the system more energy efficient, using a continuously adjustable water supply, avoiding frequent start the pump. Between the second and the third pivot smoke tubes have a broad space for water, in order to ensure natural circulation of water in the pot.
Guangyuan City of miniaturized gas steam boiler so that the choice of many units actually miniaturized gas steam boiler intention quantity is relatively large, and therefore this kind of miniaturized gas steam boiler, also known as 2019 the newest steam generator in bandung, the water temperature reaches the burner according to 100 deg.] C, it will quickly generate saturated steam, and therefore need to be done using human manufacture. This is what we always wanted to know miniaturized gas steam boiler. Therefore we should be how to choose a gas steam boiler, in fact, we generally can be selected from a gas gas steam boiler and its own highlights, some users need to generate their own electricity, we can choose a gas steam boiler electricity can greatly reduce himself cost of. If the gas steam boiler size is relatively large, there is no gas pipeline through the secondary, alternative biomass gas steam boiler can reduce gas costs, according to their manufacturing biomass, can be reached quickly burning fuel. If the intention of saturated steam is relatively small numbers, choose often said steam engine, to achieve great demand with a small fee!
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