Boiler overheater

Abstract

The invention discloses a boiler overheater. The boiler overheater structurally comprises an inner heating plate, an upper cover, vertical heat conduction fins, connecting detachment joints, overheater pipes, a shell, side face heat conduction fins, a saturated steam input pipeline and an overheated steam output pipeline. An oil bath groove is additionally formed in the boiler overheater, steam heating is uniform, and the situation that overheater heating is uneven, and consequently complete water removal of saturated steam happens is avoided. Meanwhile, single-joint pipeline detaching and connecting type connection is adopted, the length of the overheater can be freely combined according to the situation, the resource is effectively utilized, resource allocation is maximal, and waste is avoided. Meanwhile, single-joint pipeline detaching and connecting type connection is adopted, overheater dismounting, mounting and overhauling are convenient, and the work efficiency is greatly improved; and meanwhile multi-direction fins are adopted on the outer side of the shell, shell heat absorbing is accelerated, the temperature utilization rate is increased, the contact area between the shell and oil in the shell is increased through the inner heating plate in the shell, and the heating efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of boiler equipment; in particular, it relates to a boiler superheater. Background technique [0002] The superheater, also known as the steam superheater, is generally installed at the outlet of the furnace. Its function is to reheat the saturated steam (generally containing 2% moisture) drawn from the drum to the specified superheating temperature under the condition of constant pressure. To meet the needs of the production process. The role of the superheater tube is to absorb heat. It is made of seamless boiler steel tube or heat-resistant alloy steel tube bent into a snake shape, and its two ends are respectively welded to the inlet and outlet headers. [0003] However, the traditional superheater adopts a fixed connection, which is inconvenient to install and disassemble. At the same time, the fixed connection adopted by the traditional superheater makes the structural shape of the superheater fixed, ...

AI Technical Summary

Problems solved by technology

[0003] However, the traditional superheater adopts a fixed connection, which is inconvenient to install and disassemble. At the same time, the fixed connection adopted by the traditional superheater makes the structural shape of the superheater fixed, which cannot be effectively changed according to the situation, so that it can only be used for a specific The boiler cannot be flexibly used in other boilers. At the same time, the traditional superheater is directly put into the boiler and then used. This method causes the temperature of each position inside the superheater to be different, the heating effect is poor, and it is easy to cause incomplete dehydration of the saturated steam. Appear

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