Water cooling wall structure convenient to assemble and boiler

Abstract

The utility model provides a water cooling wall structure convenient to assemble and a boiler, the water cooling wall structure convenient to assemble comprises a plurality of water cooling wall modules, each water cooling wall module comprises a first collecting box, a second collecting box and a plurality of water cooling wall pipes, and the water cooling wall pipes are vertically arranged in parallel in the first direction; the first ends of the water cooling wall pipes are fixedly connected with the first collecting box, the second ends of the water cooling wall pipes are fixedly connected with the second collecting box, the water cooling wall pipes are connected with the first collecting box and the second collecting box in the mode that the water cooling wall pipes are directly assembled and welded in a field to form the assembled water cooling wall module to leave a factory, and a large amount of field assembling and welding work of the boiler water cooling wall is reduced. According to the convenient assembly type water cooling wall through structure, the water cooling wall pipe and the collecting box are modularly assembled and welded in advance and leave a factory, so that the tedious welding and assembling workload on site is reduced, and the assembling efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler cooling technical field especially relates to a water cooled wall structure and boiler convenient to assemble. BACKGROUND

[0002] Boiler is an important heat energy equipment, is widely used in electric power, metallurgy, chemical industry etc. industrial field. Boiler water cooled wall is the important component of boiler, and its main function is to absorb the radiant heat in the furnace, and provides protection to the furnace wall. In the prior art, the boiler water cooled wall usually adopts the separate structure, that is, the water cooled wall pipe and the header are manufactured respectively, and are assembled through welding at the installation site.

[0003] However, the separate structure of the boiler water cooled wall in the prior art needs to complete the assembly and welding of the water cooled wall pipe and the header at the installation site, which leads to large workload of on-site assembly and welding. Due to the space, environment and personnel arrangement conditions of the construction site, the welding operation not only takes a long time, but also needs a large amount of manpower, thereby making the overall installation efficiency low. SUMMARY

[0004] The purpose of the present application is to provide a water cooled wall structure convenient to assemble, to solve the problem of low installation efficiency of the boiler water cooled wall in the prior art. In addition, the purpose of the present application is also to provide a boiler comprising a water cooled wall structure convenient to assemble.

[0005] To achieve this purpose, the present application adopts the following technical solutions:

[0006] The present application provides a water cooled wall structure convenient to assemble, which comprises a plurality of water cooled wall modules, wherein:

[0007] Each water cooled wall module comprises a first header, a second header and a plurality of water cooled wall pipes, the plurality of water cooled wall pipes are vertically arranged along a first direction, the first end of the water cooled wall pipe is fixedly connected with the first header, the second end of the water cooled wall pipe is fixedly connected with the second header, and the connection of the plurality of water cooled wall pipes with the first header and the second header is assembled and welded directly on site to form an assembled water cooled wall module, which is shipped out, thereby reducing a large amount of on-site assembly and welding work of the boiler water cooled wall.

[0008] Optionally, the adjacent water cooled wall pipes along the first direction are connected by a first connecting plate to form a membrane wall.

[0009] Optionally, the first header and the second header can be provided with at least one row of membrane walls.

[0010] Optionally, the adjacent water cooled wall pipes of adjacent water cooled wall modules are respectively provided with a second connecting plate corresponding to the first direction, and the adjacent water cooled wall modules are connected by the second connecting plate.

[0011] Optionally, the second connecting plate has a width smaller than the first connecting plate.

[0012] Optionally, the water-cooled wall tubes adjacent to other water-cooled wall modules are provided with connecting elements at both ends, and the connecting elements are configured to connect the water-cooled wall tubes adjacent to the water-cooled wall tubes in the water-cooled wall modules.

[0013] Optionally, at least one branch pipe is arranged on the water-cooled wall tube, and the other end of the branch pipe is welded to the third header.

[0014] Optionally, the connecting part of the water-cooled wall tube and the header is provided with a reinforcing rib to enhance the mechanical strength and thermal deformation resistance of the connecting part.

[0015] A boiler comprising the water-cooled wall structure facilitating assembly as described above.

[0016] Compared with the prior art, the water-cooled wall structure facilitating assembly has the following advantages:

[0017] 1) By pre-assembling and welding the water-cooled wall tube and the header into a module and then shipping, the on-site welding and assembly workload is reduced, and the assembly efficiency is improved.

[0018] 2) By welding the adjacent water-cooled wall tubes with the first connecting plate to form a membrane wall, the integrity and stability of the water-cooled wall module are enhanced, and the heating efficiency and uniformity of the boiler water-cooled wall are improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate and understand the technical solutions in the embodiments of the present application, the drawings needed in the background and embodiments of the present application will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor based on the contents of the embodiments of the present application and these drawings.

[0020] Figure 1 is a sectional view of the water-cooled wall structure facilitating assembly provided by the embodiments of the present application;

[0021] Figure 2 is an enlarged view of position A in Figure 1

[0022] Figure 3 is Figure 1

[0023] Figure 4 is a side view of the water-cooled wall structure facilitating assembly provided by the embodiments of the present application. DETAILED DESCRIPTION

[0024] ​​For the purposes of this application, a more complete description of the application will be presented in the following with reference to the accompanying drawings. The drawings show the preferred embodiments of the application. However, the application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the application more thorough and comprehensive. It should be noted that when a component is referred to as "fixed to" another component, it can be directly on the other component or there can be a middle component. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there can be a middle component. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as understood by those skilled in the art to which the application belongs. The terms used in the specification of the application herein are only for the purpose of describing the specific embodiments and are not intended to limit the application. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0025] Please refer to Figures 1 to 4 The water-cooled wall structure provided by the embodiments of the application is shown, which comprises a plurality of water-cooled wall module groups 10, wherein:

[0026] Each water-cooled wall module group 10 comprises a first header 11, a second header 12 and a plurality of water-cooled wall pipes 13, the plurality of water-cooled wall pipes 13 are vertically arranged in parallel along a first direction (X direction), the first end of the water-cooled wall pipe 13 is fixedly connected to the first header 11, the second end of the water-cooled wall pipe 13 is fixedly connected to the second header 12, and the connection of the plurality of water-cooled wall pipes 13 to the first header 11 and the second header 12 is welded in the field to form an assembled water-cooled wall module for delivery, thereby reducing the large amount of field assembly and welding work of the boiler water-cooled wall. Figure 1 By pre-assembling and welding the water-cooled wall pipes 13 and the header to form a module for delivery, the amount of tedious welding and assembly work in the field is reduced, and the assembly efficiency is improved.

[0027] In an embodiment, the adjacent water-cooled wall pipes 13 along the first direction are welded by a first connecting plate 14 to form a membrane wall.

[0028] By welding the adjacent water-cooled wall pipes 13 by the first connecting plate 14 to form a membrane wall, not only the integrity and stability of the water-cooled wall module are enhanced, but also the heating efficiency and uniformity of the boiler water-cooled wall are improved.

[0029]

[0030] ​In an embodiment, the first header 11 and the second header 12 are provided with at least one row of membrane walls.

[0031] Specifically, the first header 11 and the second header 12 are provided with two rows of membrane walls.

[0032] By increasing the accommodation capacity of the headers to the membrane walls, more membrane wall units can be accommodated in a single header, improving the compactness and flexibility of the module.

[0033] In an embodiment, the adjacent water-cooled wall pipes 13 of adjacent water-cooled wall modules 10 are respectively provided with a second connecting plate 15 corresponding to the first direction, and the adjacent water-cooled wall modules 10 are welded and connected through the second connecting plate 15.

[0034] The second connecting plate 15 realizes quick welding connection between adjacent modules, simplifies the module installation process, and improves the efficiency of on-site assembly.

[0035] In an embodiment, the width of the second connecting plate 15 is smaller than the width of the first connecting plate 14.

[0036] By reducing the width of the second connecting plate 15, the connection area of adjacent modules is optimized, ensuring that the spacing of adjacent water-cooled wall pipes 13 is the same to ensure the uniformity and stability of heat transfer.

[0037] In an embodiment, the water-cooled wall pipes 13 adjacent to other water-cooled wall modules 10 are provided with a communication piece 16 at both ends, and the communication piece 16 is configured to communicate with the water-cooled wall pipes 13 adjacent to the water-cooled wall pipes 13 in the water-cooled wall module 10.

[0038] By setting the communication piece 16, the normal use of the water-cooled wall pipes 13 adjacent to other water-cooled wall modules 10 is ensured, and space is also provided for the use of the header, preventing interference between adjacent headers, and improving space utilization.

[0039] In an embodiment, at least one branch pipe 17 is provided on the water-cooled wall pipe 13, and the other end of the branch pipe 17 is welded and connected with a third header 18.

[0040] By setting the branch pipe on the water-cooled wall pipe 13 and welding and connecting it with the third header 18, the cooling water can flow to the third header 18, optimizing the flow path of the cooling water and enhancing the cooling effect of different areas of the boiler.

[0041] In an embodiment, the connection part of the water-cooled wall pipe 13 and the header is provided with a reinforcing rib to enhance the mechanical strength and thermal deformation resistance of the connection part.

[0042] By setting the reinforcing rib at the connection between the water-cooled wall pipe 13 and the header, the structural strength and deformation resistance are improved, and the safety and stability of equipment operation are also improved.

[0043] A boiler comprising a water cooled wall structure of any of the above facilitating assembly.

[0044] The above embodiments are merely illustrative of the basic principles and characteristics of the application, and the application is not limited by the above examples. The application has various changes and modifications, which do not depart from the spirit and scope of the application, and all fall within the scope of the application claimed. The scope of the application claimed is defined by the appended claims and their equivalents.

Claims

1. A water cooled wall structure which is easy to assemble, characterized in that The water-cooled wall structure easy to assemble comprises a plurality of water-cooled wall modules, wherein: Each of the water-cooled wall modules comprises a first header, a second header and a plurality of water-cooled wall pipes, the plurality of water-cooled wall pipes are vertically arranged in parallel along a first direction, the first ends of the water-cooled wall pipes are fixedly connected with the first header, the second ends of the water-cooled wall pipes are fixedly connected with the second header, and the connection of the plurality of water-cooled wall pipes with the first header and the second header is welded in situ to form an assembled water-cooled wall module.

2. The easily assembled water wall structure as claimed in claim 1, wherein, The water-cooled wall pipes adjacent to each other along the first direction are welded and connected by a first connecting plate to form membrane walls.

3. The easily assembled water wall structure as claimed in claim 2, wherein, The first header and the second header are provided with at least one row of the membrane walls.

4. The easily assembled water wall structure as claimed in claim 2, wherein, The water-cooled wall pipes adjacent to each other of adjacent water-cooled wall modules are respectively provided with a second connecting plate corresponding along the first direction, and the adjacent water-cooled wall modules are welded and connected by the second connecting plate.

5. The easily assembled water wall structure as claimed in claim 4, wherein, The width of the second connecting plate is smaller than that of the first connecting plate.

6. The easily assembled water wall structure as claimed in claim 1, wherein, The water-cooled wall pipes adjacent to each other of other water-cooled wall modules are provided with a communication member at both ends, and the communication member is configured to communicate with the water-cooled wall pipes adjacent to each other in the water-cooled wall modules.

7. The easily assembled water wall structure as claimed in claim 1, wherein, At least one branch pipe is arranged on the water-cooled wall pipe, and the other end of the branch pipe is welded and connected with a third header.

8. The easily assembled water wall structure as claimed in claim 7, wherein, The connection part of the water-cooled wall pipe and the header is provided with a reinforcing rib to enhance the mechanical strength and thermal deformation resistance of the connection part.

9. A boiler, characterized by The boiler comprises the water-cooled wall structure easy to assemble according to any one of claims 1-8.

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