A kind of ISA furnace panel evaporator
A technology of evaporator and ISA furnace, which is applied in the field of heat exchange system, can solve the problems of easy slagging and dust accumulation, environmental pollution, and reduce the heat transfer effect of the heating surface, so as to achieve the effect of avoiding slagging and dust accumulation and reducing environmental pollution
Active Publication Date: 2016-03-30
OSCHATZ ENERGY & ENVIRONMENT NANJING
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Problems solved by technology
However, although this structure is relatively advanced, it is prone to slagging and ash accumulation in the Isar furnace. The ash not only reduces the heat transfer effect of the heating surface, corrodes metals, and its ash content is also the source of environmental pollution.
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[0014] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0015] Issa furnace panel evaporator of the present invention such as figure 1 As shown, it includes an inlet header 1, an outlet header 6 and a fin tube group 7, the inlet end of the fin tube group 7 is connected to the inlet header 1, and the outlet end of the fin tube group 7 is connected to the outlet header 6 The upper and lower ends of the fin tube group 7 are respectively connected to each fin tube through the upper connecting pipe 2 and the lower connecting pipe 8; the upper part of the fin tube group 7 is provided with a ceiling sealing cover 3, and the role of the ceiling sealing cover I...
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The invention relates to a screen-type evaporator of an Isa furnace. The screen-type evaporator comprises an inlet header, an outlet header and a finned tube set. The inlet end of the finned tube set is connected with the inlet header, and the outlet end of the finned tube set is connected with the outlet header; the upper end of the finned tube set and the lower end of the finned tube set are respectively connected with each finned tube through an upper-portion connecting tube and a lower-portion connecting tube; a rapping device is arranged at the position close to the upper end of the finned tube set, and the rapping device is connected with the upper-portion connecting tubes and the fined tubes through a rapping device connection heating surface. The screen-type evaporator of the Isa furnace is of a finned tube structure, the mechanical rapping device is provided, slagging and ash deposition are avoided, and environmental pollution is reduced.
Description
technical field [0001] The invention relates to a heat exchange system for recovering heat energy in flue gas of an Isa furnace, in particular to an Isa furnace panel evaporator. Background technique [0002] In the part of the Essar screen evaporator, the temperature of the flue gas is very high, usually the temperature reaches above 1200°C. In order to further absorb the radiant heat of the flue gas and reduce the footprint of the boiler, the screen evaporator came into being. [0003] In domestic manufacturers, there was no precedent for the use of panel evaporators, but with the development of the times, a small number of domestic manufacturers imitated panel evaporators using foreign technology, and densely arranged light tube panel evaporators began to be used. However, although this structure is relatively advanced, it is prone to slagging and ash accumulation in the Isar furnace. The ash not only reduces the heat transfer effect of the heating surface, corrodes meta...
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IPC IPC(8): F22B1/18F23J3/02
Inventor 王正兴谭也民
Owner OSCHATZ ENERGY & ENVIRONMENT NANJING