Compact gas boiler

Abstract

The invention relates to the technical field of gas boilers, and particularly relates to a compact gas boiler. The occupied area of the gas boiler can be effectively reduced. The compact gas boiler comprises a hearth, a steering chamber and a tail flue; a superheater, an economizer and a denitration device are installed in the tail flue; the hearth is composed of membrane water walls; the bottom of the front water wall of the hearth is inclined by 5-10 degrees and pulled to the rear water wall of the hearth to form a boiler bottom; a refractory brick layer is laid at the boiler bottom, and a combustor is installed at the boiler bottom; a high-temperature superheater and a vertical evaporation heating surface are installed in the steering chamber; the economizer comprises an upper-level economizer body and a lower-level economizer body; the superheater in the tail flue is a low-temperature superheater; the low-temperature superheater, the upper-level economizer body, the denitration device, the lower-level evaporation heating surface and the lower-level economizer body are sequentially arranged in the tail flue from top to bottom; and the upper half part of the front wall of the tail flue shares the rear water wall of the hearth. The upper half part and the lower half part of the tail flue are arranged in a staggered mode, and a wall-wrapping pipe header is arranged at the staggered position.

Description

technical field [0001] The invention relates to the technical field of gas boilers, in particular to a compact gas boiler. Background technique [0002] Due to the particularity of the chemical industry, gas boilers are often selected as an important part of the industry to provide steam for chemical equipment. At the same time, the exhaust gas generated by chemical equipment can be used as fuel for boilers. Boilers are generally arranged in industrial parks. Most owners expect boilers The footprint of the boiler can be as small as possible, but in the actual layout, because there needs to be a certain distance between the furnace and the tail flue, the burner is arranged on the front side of the furnace, which also needs to occupy more space, resulting in a larger overall boiler footprint. Contents of the invention [0003] In order to solve the problem that the overall occupied area of ​​the existing boiler is relatively large, the present invention provides a compact ga...

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Problems solved by technology

[0003] In order to solve the problem that the overall occupied area of ​​the existing boiler is relatively large, the present invention provides a compact gas boiler, which can effectively reduce the occupied area of ​​the gas boiler

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