Gas hot water boiler examples of some professional issues and answers on the type of boiler, the following explanation will be focused on, and this one is for the gas hot water boiler, because this is one of the important types of boilers, and its use is relatively Many. Therefore, it is necessary to learn in this regard, so that we are familiar with this kind of boiler, so as to enrich their knowledge. 1. gas hot water boiler, its spare parts, mainly there are few? On this kind of boiler, there is no economizer or air preheater, it will affect the exhaust gas temperature? Gas hot water boiler, its spare parts, mainly, there is a boiler control cabinet, three burners and chimneys. As for whether there is economizer or air preheater, it will affect the exhaust gas temperature of the boiler, and if not, the exhaust gas temperature is 200-220 degrees; any, may be reduced to 180 degrees. 2. gas hot water boiler, the flue gas condenser should be installed in what position, more appropriate? Mounted on the gas hot water boiler flue gas condenser, in general, is mounted on the boiler return pipe, is more appropriate. Since this installation, it is possible to increase the boiler water temperature, and the thermal efficiency. Moreover, it is possible to reduce costs and achieve energy conservation, it can be said that a lot of benefits. 3.58-megawatt gas-fired boiler quite a few tons of gas hot water boiler? And a gas hot water boiler, tonnage and heating area, what is the relationship between these two? 58 MW gas-fired boiler, which from a professional point of view, then, which is equivalent to 83 tons of gas hot water boiler. In the gas hot water boiler, tonnage and heating area, it is directly proportional to the relationship, that is, the greater the tonnage, the greater its heating, then the greater the heating area. These can be said, it is an important intellectual content gas hot water boiler, at the same time, we also need to master in order to be able to practice in a reasonable and proper use of this kind of boiler, to get satisfactory results. Thus, to increase the use value of the boiler.
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Advanced equipment for Desulfurization and Dust removal of Steam Boiler and its principle Analysis
The exhaust dust concentration of various combustion structures in small and medium-sized boilers is far higher than the maximum allowable smoke concentration specified in domestic standards. Therefore, in addition to correctly selecting the combustion structure and improving the operating level, Coal-fired boilers must also be equipped with dust removal equipment at the rear of the boiler, and dust particles in the flue gas must be collected and then discharged into the atmosphere.
On the hot water boiler capacity parameter analysis hot water boiler can not exceed the limit value, the combustion pressure means are fixed vertical boiler burning furnace grate hand, since a large furnace, in the actual operation of the furnace combustion conditions, the fundamental can not satisfy the theoretical parameters required for large-capacity heat. The most important is the heating surface of the heat transfer furnace body is difficult to sufficiently achieve the conversion process. Thermal efficiency is less than the design value, resulting in a serious shortage of boiler output. Present in small, medium pressure boiler design the shape of "shell type" mostly, but also a square structure, a representative type of design has the following categories: 1) (the vertical double-fired water-cooled grate trans grate, the grate is fixed). Furnace body is a cross-tube structure; 2) n-fired furnace single vertical cross-tube structure; 3) square positive vertical burning hearth, a heating surface of a single stage gasifier, smoke chamber under the fire tube type structure; 4) there is also arranged pipe on the heating surface, combined fire tube type structure. In the design and manufacture of pressure hot water boiler, the boiler of two important parameters; rated thermal power (capacity), the thermal efficiency is calculated based on the lack of calibration. Some analogy employed to determine the capacity of the boiler, such as a hot water boiler calibration 0.16mW outer diameter φ1000mm, 2800mm height of about, for each additional 100mm diameter by a corresponding increase in boiler capacity 0.08mW (a tonnage of the water), so calibration parameters. The larger boiler capacity, the greater the diameter, the larger the capacity of the boiler combustion chamber arrangement is too large and could easily lead to burn dead, plus hand-delivery effort coal, ash out of the difficulties, will inevitably lead to poor combustion conditions, furnace outlet temperature decreases, heat effective heat-absorbing surface weakened, resulting in greatly reduced heat index
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