Membrane wall corner connecting structure of horizontal boiler

Abstract

The utility model discloses a membrane type wall corner connecting structure of a horizontal boiler, which is applied to a horizontal steam boiler, and the horizontal steam boiler comprises a left membrane type wall, a middle membrane type wall and a right membrane type wall, the corner connecting structure comprises a bottom connecting corner and a top connecting corner; the middle membrane type wall and the right membrane type wall are converged at a top connecting corner at the top of the horizontal steam boiler, the middle membrane type wall and the right membrane type wall are converged at a bottom connecting corner at the bottom of the horizontal steam boiler, and the top connecting corner and the bottom connecting corner are circular pipes with different positioning holes in the side walls; the water pipes of the middle membrane type wall and the right membrane type wall are angularly welded in the positioning holes of the round pipes; the angle connecting mechanism has the advantages that the different positioning holes are formed in the side wall of the round pipe, and the water pipes with the membrane walls or the top pipe and the gas collecting pipe of the water level gauge are welded in the positioning holes, so that positioning of the different membrane walls or the water pipes is achieved, the angle fixing requirement is met, and the angle connecting mechanism is simpler and smaller in size.

Description

Technical Field

[0001] This utility model belongs to the technical field of membrane corner connection for horizontal boilers, and particularly relates to a membrane corner connection structure for horizontal boilers. Background Technology

[0002] Existing membrane wall connections mostly use cylindrical or square water tanks for connection. This structure results in a large volume in the top and bottom water pipe collection areas of the membrane wall boiler, which is not conducive to the miniaturization of boilers and will consume a certain amount of heat, failing to make full use of thermal energy and thus being detrimental to energy conservation. Summary of the Invention

[0003] The purpose of this utility model embodiment is to provide a membrane wall corner connection structure for a horizontal boiler, aiming to solve the technical problem that existing membrane wall connections mostly use cylindrical or square water tanks for connection, which results in a large volume in the top and bottom water pipe collection areas of the membrane wall structure boiler, which is not conducive to the miniaturization of boilers.

[0004] The present invention is implemented as follows:

[0005] A membrane wall corner connection structure for a horizontal boiler, applied to a horizontal steam boiler, comprising a left membrane wall, a middle membrane wall, and a right membrane wall. The left membrane wall; the corner connection structure includes a bottom connection corner and a top connection corner; the middle membrane wall and the right membrane wall converge at the top of the horizontal steam boiler at the top connection corner, and the middle membrane wall and the right membrane wall converge at the bottom of the horizontal steam boiler at the bottom connection corner. The top connection corner is also connected to a water level gauge top pipe and a gas collecting pipe; the bottom connection corner is also connected to a water inlet pipe and a scale discharge pipe; the top connection corner and the bottom connection corner are circular pipes with different positioning holes on their side walls. The water pipes of the left membrane wall, the middle membrane wall, and the right membrane wall are all welded at an angle into the positioning holes of the circular pipes. The wall panels of the membrane wall are welded to the outside of the side walls of the circular pipes.

[0006] Furthermore, the right membrane wall is provided with a first top end and a first bottom end, the left membrane wall is provided with a second top end and a second bottom end, and the middle membrane wall is provided with a third top end and a third bottom end.

[0007] Furthermore, the line connecting the first top tip to the connection point of the circular tube at the top corner and the center of the circular tube forms an angle D with the horizontal plane.

[0008] The line connecting the first bottom end to the bottom corner of the circular tube and the center of the circular tube forms an angle R with the horizontal plane.

[0009] The axis of the second apex forms an angle B with the horizontal plane;

[0010] The axis of the second bottom end forms an angle N with the horizontal plane;

[0011] The angle between the axis of the third apex and the vertical direction is C;

[0012] The angle between the axis of the third bottom end and the vertical direction is M.

[0013] Furthermore, the included angles D, R, B, N, C, and M are all greater than 5 degrees and less than 30 degrees.

[0014] Furthermore, the first top and first bottom, the second top and second bottom, the third top and third bottom, are positioned at the connection points with the top connecting corner or the bottom connecting corner by a positioning sleeve. The positioning sleeve includes an arc-shaped surface, which is welded together with the outer circular surface of the top connecting corner or the bottom connecting corner after being fitted together.

[0015] Furthermore, the positioning holes of the positioning sleeve are such that the first top end and the first bottom end, the second top end and the second bottom end, and the third top end and the third bottom end form a specified angle with the top connection angle or the bottom connection angle.

[0016] The positive effects of this utility model are: different positioning holes are set on the side wall of the circular tube, and the water pipe of the membrane wall or the top pipe of the water level gauge and the gas collecting pipe are welded in the positioning holes to achieve the positioning of different membrane walls or water pipes, so as to meet the fixed angle requirements, making the connection angle mechanism simpler and smaller in size, providing technical conditions for the simplification and reduction of boiler size, and at the same time providing more space for the flue. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the furnace core of a horizontal boiler to which the membrane wall corner connection structure of a horizontal boiler of this utility model is applied.

[0018] Figure 2 yes Figure 1 The image shows a front view of the horizontal boiler core to which the membrane wall corner connection structure of the present invention is applied.

[0019] Figure 3 yes Figure 2 The diagram shows a schematic of the membrane wall corner connection structure of a horizontal boiler according to this utility model.

[0020] Figure 4 yes Figure 3 The diagram shows a positioning sleeve structure of a membrane wall corner connection structure for a horizontal boiler according to this utility model.

[0021] Legend: 1—Right membrane wall, 101—First top end, 102—First bottom end, 2—Top connecting corner, 3—Left membrane wall, 301—Second bottom end, 302—Second top end, 4—Middle membrane wall, 401—Third top end, 402—Third bottom end, 5—Bottom connecting corner, 6—Water level pipe top pipe, 7—Arc-shaped surface, 8—Positioning hole. Detailed Implementation

[0022] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments:

[0023] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0025] like Figures 1 to 4 The diagram shows a structural diagram of a membrane wall corner connection structure for a horizontal boiler according to an embodiment of this utility model. This membrane wall corner connection structure is applied to a horizontal steam boiler, which includes a left membrane wall 3, a middle membrane wall 4, and a right membrane wall 1. The left membrane wall 3, the middle membrane wall 4, and the right membrane wall 1 converge at the top of the horizontal steam boiler at a top connecting corner 2, and at the bottom of the horizontal steam boiler at a bottom connecting corner 5. The top connecting corner is also connected to a water level gauge top pipe 6 and a gas collecting pipe; the bottom connecting corner is also connected to a water inlet pipe and a scale discharge pipe. The top and bottom connecting corners are circular pipes with different positioning holes on their side walls. The water pipes of the left membrane wall 3, the middle membrane wall 4, and the right membrane wall 1 are all welded at angles into the positioning holes of the circular pipes. The wall panels of the membrane walls are welded to the outside of the side walls of the circular pipes.

[0026] In this embodiment of the invention, different positioning holes are provided on the side wall of the circular tube to achieve the positioning of different membrane walls or water pipes so that they meet the fixed angle requirements.

[0027] Specifically, such as Figures 1 to 4As shown, the right membrane wall 1 is provided with a first top end 102 and a first bottom end 101, the left membrane wall 3 is provided with a second top end 302 and a second bottom end 301, and the middle membrane wall 4 is provided with a third top end 401 and a third bottom end 402.

[0028] The line connecting the connection point of the first top 102 and the circular tube at the top connection angle 2, and the center of the circular tube, forms an angle D with the horizontal plane.

[0029] The line connecting the connection point of the first bottom end 101 and the circular tube at the bottom connecting angle 5, and the center of the circular tube, forms an angle R with the horizontal plane.

[0030] The axis of the second apex 302 forms an angle B with the horizontal plane;

[0031] The axis of the second bottom end 301 forms an angle N with the horizontal plane;

[0032] The angle between the axis of the third top 401 and the vertical direction is C;

[0033] The angle between the axis of the third bottom end 402 and the vertical direction is M;

[0034] Angles D, R, B, N, C, and M are all greater than 5 degrees and less than 30 degrees.

[0035] Preferably, the included angles D, R, B, and N are all greater than 5 degrees and less than 10 degrees.

[0036] Angle C is greater than 10 degrees and less than 30 degrees.

[0037] Preferably, the top pipe of the water level gauge is welded to the top connecting corner on the horizontal plane, and the air collecting pipe is welded to the top connecting corner on the vertical plane; the bottom connecting corner is welded to the water inlet pipe and the scale discharge pipe on the vertical plane.

[0038] Preferably, the first top end 102 and the first bottom end 101, the second top end 302 and the second bottom end 301, the third top end 401 and the third bottom end 402 are positioned at the connection points with the top connecting corner or the bottom connecting corner by a positioning sleeve. The positioning sleeve includes an arc-shaped surface 7, which is welded together with the outer circular surface of the top connecting corner or the bottom connecting corner after being fitted together. The positioning hole 8 of the positioning sleeve makes the first top end 102 and the first bottom end 101, the second top end 302 and the second bottom end 301, the third top end 401 and the third bottom end 402 form a specified angle with the top connecting corner or the bottom connecting corner.

[0039] The positioning sleeve is welded into the pre-drilled hole at the top or bottom connecting corner. The first top end 102 and the first bottom end 101, the second top end 302 and the second bottom end 301, the third top end 401 and the third bottom end 402 are inserted into the positioning hole 8 and fully welded to the outer circumference.

[0040] This design simplifies the connection mechanism and reduces its size, providing the technical means for simplifying and reducing the size of the boiler, while also providing more space for the flue.

[0041] The foregoing has broadly outlined some aspects and features of the various embodiments and should be interpreted as merely illustrative of potential applications. Other beneficial results can be obtained by applying the disclosed information in different ways or by combining aspects of the disclosed embodiments. Further aspects and a more complete understanding can be obtained based on the detailed description of exemplary embodiments with reference to the accompanying drawings, within the scope defined by the claims.

[0042] The above embodiments provide a detailed description of the present invention. Of course, the above description is not intended to limit the present invention, nor is the present invention limited to the examples described above. Any changes, modifications, additions, reductions, or substitutions made by those skilled in the art within the scope of the present invention are also within the protection scope of the present invention.

Claims

1. A membrane wall corner connection structure for a horizontal boiler, applied to a horizontal steam boiler, the horizontal steam boiler comprising a left membrane wall, a middle membrane wall, and a right membrane wall, the left membrane wall being characterized in that... The corner connection structure includes a bottom connection corner and a top connection corner; the middle membrane wall and the right membrane wall converge at the top of the horizontal steam boiler at the top connection corner, and the middle membrane wall and the right membrane wall converge at the bottom of the horizontal steam boiler at the bottom connection corner. The top connection corner is also connected to the water level gauge top pipe and the gas collecting pipe; the bottom connection corner is also connected to the water inlet pipe and the scale discharge pipe; the top connection corner and the bottom connection corner are circular pipes with different positioning holes on their side walls. The water pipes of the left membrane wall, the middle membrane wall and the right membrane wall are all welded at an angle into the positioning holes of the circular pipes, and the wall panels of the membrane walls are welded to the outside of the side walls of the circular pipes.

2. The membrane wall corner connection structure of a horizontal boiler according to claim 1, characterized in that, The right membrane wall has a first top end and a first bottom end, the left membrane wall has a second top end and a second bottom end, and the middle membrane wall has a third top end and a third bottom end.

3. The membrane wall corner connection structure of a horizontal boiler according to claim 2, characterized in that, The line connecting the first top end and the top corner of the circular tube to the center of the circular tube forms an angle D with the horizontal plane. The line connecting the first bottom end to the bottom corner of the circular tube and the center of the circular tube forms an angle R with the horizontal plane. The axis of the second apex forms an angle B with the horizontal plane; The axis of the second bottom end forms an angle N with the horizontal plane; The angle between the axis of the third apex and the vertical direction is C; The angle between the axis of the third bottom end and the vertical direction is M.

4. The membrane wall corner connection structure of a horizontal boiler according to claim 3, characterized in that, The included angles D, R, B, N, C, and M are all greater than 5 degrees and less than 30 degrees.

5. A membrane wall corner connection structure for a horizontal boiler according to any one of claims 1 to 4, characterized in that, The first top and the first bottom, the second top and the second bottom, the third top and the third bottom, are positioned at the connection points with the top connecting corner or the bottom connecting corner by a positioning sleeve. The positioning sleeve includes an arc-shaped surface, which is welded together with the outer circular surface of the top connecting corner or the bottom connecting corner after being fitted together.

6. The membrane wall corner connection structure of a horizontal boiler according to claim 5, characterized in that, The positioning holes of the positioning sleeve are such that the first top end and the first bottom end, the second top end and the second bottom end, and the third top end and the third bottom end form a specified angle with the top connection angle or the bottom connection angle.

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