CN211875986U - Corner tube boiler with pipe support system - Google Patents

Abstract

The utility model discloses an angle pipe boiler with pipe support system, including the collection case, equal rigid coupling has first diaphragm type wall around the outer wall of collection case, the downtake has all been erect in the four corners around the collection case, the drum has been erect around the top of collection case, and drum and downtake communicate each other, erect first pipe around the inside of collection case, the outer wall of first pipe is fixed to have cup jointed second diaphragm type wall. This angle pipe boiler with pipe support system, concentrate the downcomer form through single drum, drum transverse arrangement is outside furnace, it is not heated, good retaining performance has, owing to adopt totally enclosed membrane wall structure, flue gas and external world are kept apart completely, so greatly increased the brickwork thermal insulation performance, independent boiler support steelframe is not established to whole boiler, the boiler is supported by membrane wall and downcomer, stability has been increased when reducing equipment cost, because the restoration degree of difficulty after the membrane wall damages is great.

Description

Corner tube boiler with pipe support system

Technical Field

The utility model relates to a boiler technical field specifically is an angle pipe boiler with pipe support system.

Background

The existing angle tube boiler has insufficient water storage capacity, cannot timely convey a large amount of water according to the change of the furnace temperature, is not beneficial to the operation of the boiler, cannot ensure the cleanness of a heating surface because an ash blowing point is not set at a specific position of a hearth and a tail convection heating surface, causes the membrane wall to be extremely easy to damage, has high repair difficulty after the membrane wall is damaged, and is inconvenient for the maintenance work of workers.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an angle pipe boiler with pipe support system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an angle pipe boiler with pipe support system, includes the collection case, equal rigid coupling has first diaphragm type wall around the outer wall of collection case, the downtake has all been erect in the four corners around the collection case, the boiler barrel has been erect around the top of collection case, and boiler barrel and downtake communicate each other, erect first pipe around the inside of collection case, the outer wall of first pipe is fixed to be cup jointed second diaphragm type wall, and the boiler barrel communicates with first pipe each other through the second pipe, the inner wall one side of collection case is erected through the support and is equipped with the coiled pipe convection bank, and the coiled pipe convection bank communicates with first pipe each other, a plurality of blowing grey points have been seted up around the coiled pipe convection bank.

Compared with the prior art, the beneficial effects of the utility model are that: the angle tube boiler with the tube frame system has the advantages that the single-drum centralized descending tube form is adopted, the drums are transversely arranged outside a hearth and are not heated, the angle tube boiler has good water storage performance, the full-sealed membrane water-cooled wall structure is adopted, smoke is completely isolated from the outside, the heat insulation performance of a boiler wall is greatly improved, the whole boiler is not provided with an independent boiler supporting steel frame, the boiler is supported by the membrane wall and the descending tube, the equipment cost is reduced, the stability is improved, the repairing difficulty is high after the membrane water-cooled wall is damaged, a plurality of soot blowing points are required to be arranged at specific positions of the hearth and a tail convection heating surface, the regular blowing is realized, the cleaning of the heating surface is ensured, and the safer and more effective operation of the boiler is ensured.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. the boiler comprises a boiler barrel, 2, a downcomer, 3, a coiled convection tube bundle, 4, a first membrane wall, 5, a second membrane wall, 6, a header, 7, a first conduit, 8, a second conduit, 9 and a soot blowing point.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: an angle tube boiler with a tube frame system comprises a collecting box 6, wherein first membrane type walls 4 are fixedly connected around the outer wall of the collecting box 6, down pipes 2 are erected at four corners around the collecting box 6, a boiler barrel 1 is erected around the upper portion of the collecting box 6, the boiler barrel 1 is communicated with the down pipes 2, a first guide pipe 7 is erected around the inner portion of the collecting box 6, the angle tube boiler is provided with a pipeline system which is composed of four large-diameter down pipes 2, the first membrane type walls 4, the collecting box 6, a convection heating surface and the like and serves as a framework of the boiler, all boiler loads are borne by the angle tube boiler, a second membrane type wall 5 is fixedly sleeved on the outer wall of the first guide pipe 7, the boiler barrel 1 is communicated with the first guide pipe 7 through a second guide pipe 8, a coiled convection tube bundle 3 is erected on one side of the inner wall of the collecting box 6 through a support, the coiled convection tube bundle 3 is communicated with the first guide pipe 7, a water circulation system of the boiler adopts natural circulation for a hearth part, the convection heating surface of the flue part consisting of the coiled pipe convection tube bundle 3 adopts forced circulation, and the external boiler barrel 1 is adopted, thereby not only ensuring the safety of the boiler during operation, but also ensuring the natural flow of water in the boiler when the boiler is in emergency shutdown, the system backwater enters from the boiler barrel 1, naturally circulates through the first guide pipe 7 and the second guide pipe 8 at the hearth part and then enters the convection heating surface which is arranged in the flue and consists of the coiled pipe convection tube bundle 3, the possibility of low-temperature corrosion of the convection heating surface at the flue gas outlet is effectively reduced, a plurality of ash blowing points 9 are arranged around the coiled pipe convection tube bundle 3, the repair difficulty is higher after the membrane water wall is damaged, therefore, a plurality of ash blowing points 9 are required to be arranged at specific positions of the hearth and the tail convection heating surface for periodic blowing, so that the heating surface is ensured to be clean, and the boiler can run more safely and effectively.

In the embodiment, the corner tube boiler takes a pipeline system consisting of four descending tubes 2 with large diameters, a first membrane wall 4, a header 6, a convection heating surface and the like as a framework of the boiler, all loads of the boiler are borne by the pipeline system, a water circulation system of the boiler adopts natural circulation for a hearth part, a flue part adopts forced circulation for the convection heating surface consisting of a coiled tube convection tube bundle 3, and an external boiler barrel 1 is adopted, so that the safety of the boiler in operation is ensured, the water in the boiler can naturally flow when the boiler is emergently stopped, the boiler is well protected, system return water enters from the boiler barrel 1, naturally circulates through the first guide pipe 7 and the second guide pipe 8 at the hearth part and then enters the convection heating surface which is arranged in the flue and consists of the coiled pipe convection pipe bundle 3, and the possibility of low-temperature corrosion of the convection heating surface at the flue gas outlet is effectively reduced.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (1)

1. The utility model provides an angle pipe boiler with pipe support system, includes header (6), its characterized in that: equal rigid coupling has first diaphragm type wall (4) around the outer wall of collection case (6), downtake (2) have all been erect in the four corners around collection case (6), set up drum (1) around the top of collection case (6), and drum (1) and downtake (2) communicate each other, erect first pipe (7) around the inside of collection case (6), the outer wall of first pipe (7) is fixed to be cup jointed second diaphragm type wall (5), and drum (1) communicates each other with first pipe (7) through second pipe (8), the inner wall one side of collection case (6) is equipped with coiled pipe convection bank (3) through the support frame, and coiled pipe convection bank (3) and first pipe (7) communicate each other, a plurality of grey points (9) of blowing have been seted up around coiled pipe convection bank (3).

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