Rapid-installation water pipe boiler with medium and high pressure single-boiler barrel structure

Abstract

The invention relates to a rapid-installation water pipe boiler with a medium and high pressure single-boiler barrel structure. The boiler provided by the invention comprises a boiler barrel, wherein a water cooling device is arranged at the lower part of the boiler barrel; the water cooling device comprises an upper collection tank, a lower collection tank, a small collection tank below a front wall, a small collection tank below a rear wall, a small collection tank above the front wall and a small collection tank above the rear wall; a hearth is formed through four water cooling walls among the collection tanks; each water cooling wall is a welding membrane type wall tube; one water cooling wall is provided with a burner connecting port; the lateral part of one water cooling wall is provided with a convection device; the convection device comprises a water distribution collection tank; a small collection tank below a convection tube beam and a small collection tank above the convection tube beam are arranged at the upper part of the water distribution collection tank; the small collection tank above the convection tube beam and the small collection tank below the convection tube beam are mutually communicated through the convection tube beam; a smoke baffle is arranged at the middle part of the convection tube beam; and the exterior of the whole boiler is provided with a heat insulation layer. The boiler provided by the invention has the advantages that the containable space of the hearth can be increased, the boiler can be rapidly installed and manufactured, and the integral heat treatment does not need to be carried out on the boiler.

Description

technical field [0001] The invention relates to the technical field of boilers, in particular to a fast-installed water tube boiler with a medium and high pressure single drum structure. Background technique [0002] A boiler is a device that converts chemical energy into heat energy. It uses various fuels such as coal, oil or gas to generate heat through combustion to generate steam or hot water. Oil and gas fuels are easy to transport and store, have high calorific value and few impurities, and are widely used as clean fuels in small and medium-sized boilers. Most of the existing small and medium-sized fast-installed fuel-gas boilers and low-pressure boilers are smoke tube boilers, while most of the medium and high pressure boilers are double-drum structure water tube boilers. Such as Figure 5 As shown, the structure of the double-drum structure water tube boiler is as follows: including the base 1, the lower drum 2 is arranged on the base 1, the upper drum 3 is arranged...

AI Technical Summary

Problems solved by technology

[0004] 1. Since the installation height of most boilers is limited, this limits the overall height of the boiler. The above-mentioned double-drum structure water-tube boiler occupies more space due to the larger diameters of the upper drum and the lower drum. High space, which limits the space that can be arranged in the furnace;

[0005] 2. Due to the large diameter of the upper drum and the lower drum, they often exceed the transportation limit of the road, so that the boiler cannot be quickly installed;

[0006] 3. Since the upper drum and the lower drum are connected with each connecting pipe, there must be dense pipe holes on the upper drum and the lower drum, so that the hole bridge is seriously weakened, and it has to be increased by increasing the drum. To solve this problem, increase the difficulty and cost of boiler manufacturing; and because of the increased wall thickness of the drum, after the drum and the connecting pipe are connected by welding, the overall heat treatment must be carried out, which increases the manufacturing cost , and due to the large volume of the boiler, ordinary heat treatment furnaces cannot accommodate

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