oil fired fire tube steam boiler in nigeria

oil fired fire tube steam boiler in nigeria

Fuel gas-fired boiler fuel gas-fired boiler product presentation is different from coal-fired boilers, which requires the use of a burner fuel is injected into the boiler furnace using a combustion chamber without the use of fire grate facilities. Because not produce fuel ash after burning fuel gas-fired boiler, fuel gas-fired boiler so without slagging facilities. Oil injected into the furnace, if the gas and air mixture within a certain range, or turned off, it is easy to explode. Therefore, fuel gas-fired boiler combustion required to adopt automation and control systems. Fuel gas boiler compact, small boiler and ventilation, water supply, control and auxiliary equipment are arranged on a distribution box, it may also be assembled and medium-sized factory. Fuel gas-fired boiler safety valve installation points introduce fuel gas-fired boiler safety valve needs to be installed in the correct installation steps, in order to avoid mistakes, resulting in what needs to pay attention to danger, fuel gas-fired boiler safety valve installed it? Here, I introduce: 1 fuel gas boiler safety valve should prevent the lever means and movement of the self-weight limit leverage deviant guide tube, a spring safety valve should lift and handle means for preventing movement of the adjustment screw is screwed lightly . 2. Rated to 0.5t h evaporation boiler fuel gas /, at least two safety valves installed; Rated evaporation 0.5t h or less fuel gas boiler /, mounted on at least a safety valve. The separable exit of the economizer, steam superheater outlet of the safety valve must be installed. 3. Fuel gas-fired boiler safety valve to the boiler tubes, cross-sectional area should not be less than the import safety valve cross-sectional area. If several valves installed together with a short tube directly connected to the drum, short tube passage area not less than 1.25 times the area of ​​all the exhaust valve. 4. Fuel gas boiler safety valve should be installed vertically in the boiler drum, header high position. Between the valve and the drum or header, not equipped with access to the steam outlet pipe and the valve. 5. For rated steam pressure less than or equal to 3.82MPa boiler safety valve throat diameter of not less than 25mm; the rated steam pressure is greater than 3.82MPa boiler safety valve throat diameter of not less than 20mm. 6. Fuel gas-fired boiler safety valve should normally be installed exhaust pipe, exhaust pipe should be through a safe place, and there is sufficient cross-sectional area to ensure the smooth flow of exhaust. Safety valve exhaust pipe at the bottom should be fitted to the safe location of drainage pipe, the exhaust pipe and drainage pipe not allow the installation of the valve.

Wuhan Port District Social Welfare Institute (apartments for the elderly) is invested by the government pension services, with a total construction area of ​​38,000 square meters, 532 beds, mainly adopt destitute persons, social support on behalf of the elderly. Hope to provide welfare to the elderly year-round 24-hour hot water, the original boiler equipment can not meet this demand, therefore, require additional purchase orphanage hot water boiler. After much investigation, in cooperation with the welfare determined fast boiler, provides three integrally condensing gas hot water boiler (WNS1.4-1.0 / 95/70-Y.Q) by a fast boiler.

Steam boiler steam separator device works in the overall design of the fired fire tube steam boiler in nigeria, steam separator device is essential, rapid separation of water saturated steam is to improve the steam quality to ensure that an important part of the normal operation of the boiler. Fuel gas boiler is not only fuel but also refers to the gas boiler. Previously no such dual-fuel boiler, burner because either fuel or gas, no dual fuel burners. With the rapid development of the world energy equipment, some European countries begin production and sales of fuel gas burner, dual fuel burner and boiler combination of organic birth of a new breed of boiler - fuel gas-fired boiler. 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. Convenient to meet customer needs. Then, the authors will guide you to understand the working principles of steam and water separation device on the steam boiler. First, to avoid increasing the local load between the evaporation surface and the vapor space drum boiler, the steam is uniformly by water extraction. Second, it can effectively weaken the kinetic energy soda mixture into the tank, reducing its impact on the water. Third, in order to take advantage of inertia, and centrifugal separation, the mixture having a flow path soda rapidly changing, keeping in mind the shunt separation of water, to avoid being carried steam again. Finally, there is a large surface area, in order to adhere more water droplets. At the moment, a lot of steam separator type, according to the principle of the separation can be divided into natural and mechanical separation. The principle is to use natural separation of steam and water and the density difference between the force of gravity. Mechanical separation principle relies on inertial force, centrifugal force and adhesion. Water separation apparatus is often installed in a steam boiler and used underwater plate, baffle, plate uniformity, manifold, volute separator, corrugated sheet and steel mesh separators.

The working principle of fired fire tube steam boiler in nigerias and steam boilers for industrial structural features has brought great convenience, steam boilers led to the development of the times, the following small series to introduce you to the structural characteristics and working principle of steam boilers. Steam boiler is producing steam-based machines, people use a lot, but many of its structure and working principle are not fully aware of, it is the use of volume and pressure water tube steam boilers coal, oil and natural gas are less restrictive , I would like to have a lot of space, but also easy to arrange, in the form of a variety of steam boilers. Water in the steam drum is heated into steam, the heat emitted by the fire in the furnace, is the principle of steam steam boiler. Steam boiler works: 1, heat generated by burning coal in the furnace, the heat transfer by radiation is first absorbed waterwall waterwall Boiling water, a large amount of steam into the drum for water separation (except the DC furnace), separated saturated steam enters the superheater, and continues to absorb the furnace top horizontal flue by means of radiation, convection, heat of the flue gas flue of the tail, and the superheated steam to reach the required operating temperature. Generating steam boilers are generally provided with a reheater, it is used to heat the steam through the high pressure cylinders acting reheater go out of the reheat steam, the low pressure cylinder to continue to generate power. 2, when the pulverized coal fired boiler work, the center position of the flame will impact the amount of evaporation, generally, the lower the evaporation flame kernel, the flame kernel high evaporation amount is small, the center position of the flame will also affect the reheat steam or superheated steam temperature, generally lower the center of the flame in particular superheated steam is then superheated steam temperature to be low, otherwise higher. 3, the arrangement of the burner, pulverized coal fired boiler on, the current embodiment there are opposed wall, more Tangentially combustion, combustion bis Tangentially the like, each have their own characteristics, can not be applied because the same furnace at the same time several above-mentioned arrangement, the steam still can not directly affect the conclusion. Steam boiler structural characteristics: 1, the steam boiler body welding: the main welding using advanced submerged arc welding process, welding quality assurance. All welds were 100% primary radiation detection according to the "Steam Steam Boiler Safety Technology Supervision", according to the eligibility criteria Ⅱ pole. 2, a horizontal steam boiler combustion three return all wet back structure. 3, before steam boiler, after the smoke box sealed with high temperature are graphite asbestos material, a reliable seal, to ensure that the steam boiler flue gas does not leak when run under a slight positive pressure conditions. 4, pipe thread: the second backhaul convection heating surface of the steam boiler, we used a threaded pipe, enabling the efficient heat transfer. Enhanced heat transfer, thermal efficiency of the steam boiler, a threaded tubular light pipe is equal to 2.4. Fluid flow within the tube wall near the fluid flow velocity is very low, the presence of fluid at the wall boundary layer is called, when the thermal resistance in series of several heat transfer water into the flue gas in the outer tube, the boundary layer the maximum thermal resistance, but the boundary layer is thin, as long as the boundary layer of little disturbance, as in an ordinary pressure in a pipe wall to the boss, the disturbance of the boundary layer, will greatly reduce the thermal resistance, is effective threaded pipe one way. 5, to make the system more energy efficient, continuous adjustment using the water supply, to avoid frequent pump start. During the period, the three-pass water smoke tube leaving a wide space, the pot to ensure natural circulation of water flow. 6, the body safety devices: at the rear of the steering steam boiler chamber is provided built-proof door, the steam boiler ignition and running, if the furnace gas deflagration occurs: timely relief, preventing the furnace deflagration, safe and reliable; as built after take-off will not hurt.

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