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
Under what circumstances condensing boiler energy efficiency standards higher thermal efficiency condensing boiler is very high, as a professional domestic condensing boilers in actual use, the efficiency of the boiler can be higher, these are some of the work done by the actual use . So we under what circumstances, how to use condensing boilers in order to achieve greater thermal efficiency of it? Here's what to do a brief analysis of introduction. First, at a relatively low temperature operating conditions of a high thermal efficiency of the host condensing boiler heating system is water temperature can be adjusted during use, the water temperature can be set according to the terminal configuration. Obtained through many experiments and consumer feedback derived from the condensation boiler higher thermal efficiency at a relatively low temperature operating conditions. Second, at lower output power higher thermal efficiency. In use, we will condensing boiler water temperature set, then automatically controls the combustion boiler according to the temperature of our set, when the temperature approaches the set temperature, the boiler gas valve opening degree of the motherboard emitted signal decreases, the automatic the flame is reduced to the role of maintaining stability and temperature. Thus described, condensing boilers at a low output power higher thermal efficiency. Third, to maintain a certain temperature difference between flow and return of the circulating pump can be improved in thermal efficiency condensing boiler heating system used is a keep up the flow of water medium, so that the high-temperature water in the boiler to the end device comes out. But the circulation pump in the boiler is a certain speed, that is, no matter how much power in a condensing boiler combustion, a circulation pump is always in operation speed, the use of variable frequency pump, pump speed changes with power boiler changes, it will make flow and return temperature is maintained constant temperature difference, so to maintain a certain temperature difference between flow and return of the thermal efficiency can be improved. The above circumstances is about how to improve the efficiency condensing boiler, only use efficiency, and then in the course of professional condensing boiler can be more prominent this article to introduce its value, and thus give consumers better experience. All consumers in the use of condensing boilers may wish to do it through a few adjustments to improve the efficiency of the boiler.
Phenomenon gas warranty years quick assembly dzl steam boiler is filled with water and solutions 1. fault is filled with water steam boiler failure a. Above the water line of the license, or can not see the water level, the water level gauge glass (plate) dark color. B. All aqueous phases were color water level gauge indication color. c. high-water alarm signals low water level alarm occurs. D. superheated steam temperature decreased. E. feedwater flow is abnormally greater than the steam flow. F. water in a large number of sub-cylinder, severe trap operation. g. severe steam with a large amount of water, increased salinity, water hammer occurs in the sound of the steam pipe, connecting the outer flanges take dripping. 2. The process boiler filled with water flushing water table, determined to be minor or serious full of water full of water. Method: Close water table, the water pipe connected cock, then open drain cocks As can be seen from the decreased water level, indicating a slight full of water, the water supply is stopped, the drain valve open, put to the normal water level. Such as severe filled with water, to take urgent measures to find the cause of the shutdown.
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