What fans need to pay attention when installing? Speaking boiler, many people are no stranger to the north of our country will carry out most of the local use, and has many different varieties, each variety in the use of the process, there will be detailed information must be different, we We can go right to focus attention later in the selection process will be easier. Now let's see, what breed detail what we are? In accordance to the usefulness of the classification, it can be divided into power boilers and boiler heating boilers. Power boiler includes power plants, boilers and ship boilers and so on. Heating boiler even more widespread use, mainly the use of hot air and the heating medium, which can give the corresponding steam and hot water. Different purposes pot myself, on practical local will be very different, it can correctly be recognized, which is to ensure the future use of the conditions. In accordance with the way the use of fuel, the boiler can be divided into three coal-fired boiler, oil-fired boiler and gas boiler. Each of the different varieties of the boiler, he will be different from the use of carriers and burning way, and now gradually exit the mall coal-fired boilers, gas boilers more and more. Otherwise the process of burning coal more environment, and the gas we can bring more security in the use of time will become more environmentally friendly, they have been using more local. Boiler fans in the process of the device, some jobs are we bound to be noticed, this is a very important job for the entire use of it, then in the process, what the job requires extra attention to detail are the way What is the real situation to understand these aspects, what about our device will be more jobs for the guarantee. In general, carefully read the instructions boiler fan, detailed way the device has a full understanding, in particular, to look at the left rotation or right rotation, the side we faced is extremely important. Throughout the process, the direction is very important, not Ann who, otherwise there is no way to normal operation and perhaps bring some impact. Process equipment in the boiler fan, but also to find the right position, the boiler there may be different on different orientations of the device. In the flue outlet and the convergence of local, you can correct a device before you can have a better use. Process device, combined with the actual situation at the scene, a professional staff, that there will be more benefits for the entire device. Boiler fan device is not difficult, just in the process of the device, carefully read the instructions, and you can find a detailed orientation, so that it can be better to play a role, is using is the most important. Some people in the process of the device, perhaps not particularly clear, after so they picked the wrong orientation and direction appear, then it will bring about the use of relatively large trouble. After the device before it can play a good role, but does not affect the use of the future, which are crucial for people.
Fangkuai Boiler has more than 200 after-sales service outlets across the country. Each after-sales service outlet is equipped with a professional boiler technical engineer, providing 24-hour emergency repair services, and has sufficient spare parts and wearing parts all year round, convenient. Customers change in time.
Fire boiler design pitch is much: a room, boiler production plant belongs to class D, to a fully automatic industrial small vertical fired steam boiler rated evaporation 4t / h, when the rated output is greater than 2.8MW hot water boiler, the boiler room building fire resistance rating of not less than two ; rated evaporation steam boiler is less than or equal to 4t / h, when the hot water boiler is equal to or less than the rated output 2.8MW, between the boiler building fire resistance rating of not less than three; m-inter-tank, oil pump and the oil heater are inter production plant belonging to class C, not less than two of its construction fire rating, between said room is arranged within the auxiliary boiler room, a room should be set apart from other firewall; March and gas regulator production plant belonging to Group A, which building fire rating of not less than two, should be provided between the boiler room and the immediate neighborhood regulator firewall spaced boiler room, which doors should open outwards and should not directly access to the boiler room, the ground should not be spark Ping.
Measures to improve the thermal efficiency of the fuel gas-fired boiler wns type of chemical oil-fired boiler which is incomplete combustion heat loss and mechanical incomplete combustion heat loss. Because almost no ash after combustion of the gas boiler, solid and liquid fuels without mechanical incomplete combustion, there is no need to consider the mechanical incomplete combustion of the gas boiler heat loss. In all heat losses, heat losses have tremendous proportions, when the high thermal efficiency of boilers, heat losses so the total loss of the main heat losses of fuel gas-fired boiler flue gas heat loss is the exhaust gas temperature and For air excess factor. When the exhaust gas temperature decreases, high thermal efficiency can be obtained, for example, a conventional three-pass fully automatic industrial small vertical fired steam boiler, furnace used in the past straight and smooth smoke tube, must increase the heating surface is arranged to make the exhaust gas to an acceptable degree, the theoretical discharge around the smoke heat loss. Potshell causing significantly increased diameter, wall thickness increased, greatly increased metal consumption, thus further reducing the exhaust gas temperature should be greatly restricted. From the aspect of heat transfer is not only now consider only the heated area, the use of new technology enables heat transfer performance significantly increased, the difference between the heat transfer overcomes the disadvantages of the past performance of the boiler, so that the exhaust gas temperature decreases, the structure is more compact. Center back boiler combustion boiler is preferably small foreign structure, although the two-pass boiler, the heated area is small, but the use of the turbulator charming, the purpose of enhancing the turbulence of the flue gas, disrupt laminar flow boundary wall, reducing the thermal resistance, increasing the heat transfer coefficient, a smaller heating area to achieve the same high thermal efficiency. Lower exhaust gas temperature limit in theory, the exhaust gas temperature can be reduced to very low or even close to the ambient temperature, for maximum thermal efficiency. However, in practice, due to the reduction of the exhaust gas temperature, low temperature corrosion will cause, therefore, the exhaust gas temperature can drop too low, in order to ensure that the wall temperature is higher than the main boiler heating surface flue gas dew point temperature. Therefore, low-temperature corrosion has become a major obstacle to reduce exhaust gas temperature and improve the thermal efficiency of the boiler. Tail auxiliary heating surface increases, further reducing the exhaust gas temperature, fuel gas wns improve thermal efficiency of the boiler as the oil, gas fuel burn easily wns type gas boiler air preheater generally not disposed. The economizer means is a common energy, which can be recycled flue gas was able to effectively reduce exhaust gas temperature. Separation type condensing gas boiler is out of the main boiler heating surface, the installation of the condensing heat exchanger. In one aspect of the flue gas absorption can significantly reduce the smoke temperature, reducing heat losses, on the one hand the absorption of part of the potential condensing water vapor released, increasing the effective use of heat of the fuel. Ash cleaning, to ensure that the heating surface of the scale wns boiler thermal efficiency of the boiler, the presence of soot fouling and heat transfer resistance increases, reducing the heat transfer effect. The thermal conductivity of the scale and soot is almost of the same order of magnitude, with the increase in scale, soot, the exhaust gas temperature rapidly increases, the thermal efficiency is significantly decreased. So, keep the boiler heating surface inside and outside clean, efficient heat transfer, thermal efficiency and to ensure the safe and economic operation of boilers, boiler fuel gas-fired boiler ash cleaning is required.
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