Structure facilitating construction of furnace top water-cooled wall and furnace wall

Abstract

The utility model discloses a structure convenient for construction of a furnace top water-cooled wall furnace wall, which comprises a water-cooled wall and a refractory pouring layer, the water-cooled wall comprises a plurality of water-cooled wall pipes arranged at intervals, the plurality of water-cooled wall pipes form a plurality of pouring holes through bent pipes, the plurality of pouring holes are arranged on the water-cooled wall at intervals in a staggered manner, and the refractory pouring layer is arranged on the water-cooled wall. The refractory pouring layer is formed by pouring towards the inner side of the water cooling wall through a plurality of pouring holes, and the refractory pouring layer is connected with the water cooling wall pipes through pins. According to the utility model, the furnace wall construction mode of the water-cooled wall is changed into a pouring mode from a manual ramming mode, so that the construction time and labor can be greatly reduced, the construction period can be shortened, and the labor cost can also be saved.

Description

Technical Field

[0001] The utility model relates to the technical field of boilers, in particular to a structure that facilitates the construction of a water-cooled fireplace wall on a furnace top. Background Art

[0002] In garbage boilers, due to the highly corrosive nature of high-temperature flue gas and the need to ensure that dioxins remain in flue gas above 850°C for at least two seconds, refractory materials are applied to the water-cooled walls in front of the flue to insulate the flue gas and reduce heat absorption by the water-cooled walls, thereby maintaining furnace temperature. However, the tops of water-cooled fireplaces are mostly horizontal or at a very small angle, making casting impossible. Therefore, the simple and convenient construction method of refractory castables cannot be used. Instead, refractory plastics are used, which are applied to the water-cooled walls through manual ramming. This construction method is time-consuming and labor-intensive, and requires high worker skills. Utility Model Content

[0003] The purpose of the utility model is to provide a structure that is convenient for the construction of a water-cooled fireplace wall on a furnace top, so as to solve the problems mentioned in the above background technology.

[0004] To solve the above technical problems, the present invention provides a structure that facilitates the construction of a water-cooled fireplace wall at a furnace top, comprising a water-cooled wall and a refractory casting layer. The water-cooled wall comprises a plurality of water-cooled wall tubes arranged at intervals, a plurality of the water-cooled wall tubes being bent to form a plurality of casting holes, the plurality of the casting holes being arranged in staggered rows at intervals on the water-cooled wall, the refractory casting layer being formed by casting the plurality of casting holes into the inner side of the water-cooled wall, and the refractory casting layer being connected to the plurality of the water-cooled wall tubes by pins.

[0005] Furthermore, the distance between two adjacent pouring holes in the same row is 1 m.

[0006] Furthermore, the distance between two adjacent rows of pouring holes is 1m.

[0007] Furthermore, the length of the pouring hole is not less than 500 mm, and the width thereof is not less than 50 mm.

[0008] Furthermore, the plurality of pins are respectively mounted on the plurality of water-cooled wall tubes by welding.

[0009] Furthermore, the refractory casting layer is an amorphous refractory material layer.

[0010] The beneficial effects of the utility model are:

[0011] This utility model employs multiple pouring holes, formed by bending water-wall tubes at regular intervals. Pins are then installed on the water-wall tubes. Refractory material is then poured into the pouring holes, and through the steps of formwork support, pouring, curing, and furnace baking, it is fixed to the water-wall tubes to form a refractory cast layer. This refractory cast layer serves as the furnace wall, which serves as the furnace roof. Because the pouring holes are arranged in staggered patterns, the refractory cast layer is evenly distributed on the inner side of the water-wall, forming a refractory layer with excellent overall performance.

[0012] The utility model changes the water-cooled wall furnace wall construction method from manual ramming to pouring, which can greatly reduce the construction time and labor, shorten the construction period, and save labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of an embodiment of the present utility model.

[0014] Figure 2 for Figure 1 Schematic diagram of the top view structure.

[0015] Among them: 1. Water-cooled wall tube; 2. Pin; 3. Refractory casting layer; 4. Casting hole. DETAILED DESCRIPTION

[0016] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiment described is only one embodiment of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] In order to make the objectives, technical solutions and advantages of this application clearer, this application is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0018] In the following description, references to "one embodiment," "an embodiment," "an example," "an example," etc. indicate that the embodiment or example described may include certain features, structures, characteristics, properties, elements, or limitations, but not every embodiment or example necessarily includes the certain features, structures, characteristics, properties, elements, or limitations. In addition, repeated use of the phrase "according to one embodiment of the present application" may refer to the same embodiment, but does not necessarily refer to the same embodiment.

[0019] like Figure 1-2As shown, the utility model discloses a structure that is convenient for constructing a water-cooled fireplace wall on a furnace roof, which includes a water-cooled wall and a refractory casting layer 3. The water-cooled wall includes a plurality of water-cooled wall tubes 1 arranged at intervals. A plurality of water-cooled wall tubes 1 are bent to form a plurality of casting holes 4. The plurality of casting holes 4 are arranged at intervals and staggered on the water-cooled wall. The refractory casting layer 3 is formed by casting the plurality of casting holes 4 toward the inner side of the water-cooled wall. The refractory casting layer 3 is connected to the plurality of water-cooled wall tubes 1 by pins 2.

[0020] Specifically, water-wall tubes 1 are spaced at regular intervals by bending to form multiple pouring holes 4. Pins 2 are installed on the water-wall tubes 1. Refractory material is then poured into these pouring holes 4. Through formwork support, pouring, curing, and furnace baking, refractory material is fixed to the water-wall tubes 1 to form a refractory cast layer 3. This refractory cast layer 3 serves as the furnace wall, which serves as the furnace roof. Because the pouring holes 4 are arranged in staggered rows, the refractory cast layer 3 is evenly distributed inside the water-wall, forming a refractory layer with excellent overall performance.

[0021] The utility model changes the water-cooled wall furnace wall construction method from manual ramming to pouring, which can greatly reduce the construction time and labor, shorten the construction period, and save labor costs.

[0022] In one embodiment, the distance between two adjacent pouring holes 4 in the same row is 1 m, that is, a pouring hole 4 is formed in the form of a bend every 1 m on the water-cooled wall tube 1 .

[0023] In one embodiment, the distance between two adjacent rows of pouring holes 4 is 1 m.

[0024] In one embodiment, the length of the pouring hole 4 is not less than 500 mm, and the width is not less than 50 mm, to ensure that the pouring layer can evenly cover the water-cooled wall tubes 1, thereby improving the overall performance and durability of the furnace wall.

[0025] In one embodiment, multiple pins 2 are respectively installed on multiple water-cooled wall tubes 1 by welding. By welding the pins 2 to the water-cooled wall tubes 1, the connection strength between the pins 2 and the tube wall can be further enhanced, preventing the refractory casting layer 3 from falling off or deforming during use.

[0026] In one embodiment, the refractory casting layer 3 is a layer of monolithic refractory material. Monolithic refractory materials typically have high plasticity and fluidity and can be injected into the inner side of the water-cooled wall through the pouring hole 4, filling and covering the entire tube wall. After solidification, they form a dense refractory layer that provides effective thermal protection and structural support.

[0027] The design ideas of the embodiment of the present utility model are as follows:

[0028] A pouring hole 4 is formed in the form of a bend every 1 meter on the water-cooled wall tube 1. The multiple pouring holes 4 are arranged in staggered rows, and the spacing between two adjacent rows of pouring holes 4 is 1 meter. The pins 2 are welded on the water-cooled wall tube 1.

[0029] Then, unshaped refractory material is poured into the pouring hole 4 and fixed on the water-cooled wall tube 1 through steps such as formwork, pouring, curing, and furnace baking to form a refractory casting layer 3. The refractory casting layer 3 is the furnace wall serving as the furnace roof.

[0030] Because the pouring holes 4 are arranged in staggered patterns, the refractory pouring layer 3 is evenly distributed inside the water-cooled wall, forming a refractory layer with excellent overall performance. Compared to conventional furnace roof water-cooled hearth wall construction methods, this structure can replace manual ramming with pouring for the furnace roof water-cooled wall, significantly reducing construction time and labor, shortening both the construction period and labor costs.

[0031] That is, the utility model changes the water-cooled wall furnace wall construction method from manual ramming to pouring, which can greatly reduce the construction time and labor, shorten the construction period, and save labor costs.

[0032] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein, but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A structure that facilitates the construction of a water-cooled fireplace wall on the furnace top, characterized by: The invention comprises a water-cooled wall and a refractory casting layer, wherein the water-cooled wall comprises a plurality of water-cooled wall tubes arranged at intervals, a plurality of the water-cooled wall tubes are bent to form a plurality of casting holes, and the plurality of casting holes are staggered and arranged at intervals on the water-cooled wall, and the refractory casting layer is formed by casting the plurality of casting holes toward the inner side of the water-cooled wall, and the refractory casting layer and the plurality of water-cooled wall tubes are connected by pins.

2. The structure for facilitating the construction of a water-cooled fireplace wall on a furnace top according to claim 1, characterized in that: The distance between two adjacent pouring holes in the same row is 1 m.

3. The structure for facilitating the construction of a water-cooled fireplace wall on a furnace top according to claim 1, characterized in that: The distance between two adjacent rows of pouring holes is 1m.

4. The structure for facilitating the construction of a water-cooled fireplace wall on a furnace top according to claim 1, characterized in that: The length of the pouring hole is not less than 500 mm, and the width is not less than 50 mm.

5. The structure for facilitating the construction of a water-cooled fireplace wall on a furnace top according to claim 1, characterized in that: The plurality of pins are respectively mounted on the plurality of water-cooled wall tubes by welding.

6. The structure for facilitating the construction of a water-cooled fireplace wall on a furnace top according to claim 1, characterized in that: The refractory casting layer is an amorphous refractory material layer.

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