A limestone slurry conveying pipeline connection device

Abstract

This utility model belongs to the technical field of limestone slurry transportation pipelines, and in particular to a connecting device for limestone slurry transportation pipelines, including a connecting sleeve; the connecting sleeve is provided with a transportation pipe for transporting limestone slurry, the internal cavity of the transportation pipe is frustum-shaped, and the outer side of the transportation pipe is provided with a first cutting area and a second cutting area for adjusting the upper and lower bottom diameters of the frustum-shaped cavity. The outer cylindrical surfaces of the first cutting area and the second cutting area are both standard cylindrical surfaces. The upper and lower bottom diameters of the frustum-shaped cavity inside the transportation pipe are respectively used to match the inner diameter of the large-diameter pipe and the inner diameter of the small-diameter pipe. This utility model can be applied to limestone slurry pipelines of different diameters, improving the adaptability of the connecting device, while reducing mold development costs and lowering economic expenditures.

Description

Technical Field

[0001] This utility model belongs to the technical field of limestone slurry transportation pipelines, and specifically relates to a limestone slurry transportation pipeline connection device. Background Technology

[0002] Limestone slurry transport pipelines are industrial pipeline systems specifically designed for transporting limestone slurry. They are primarily used in the "wet desulfurization" process in fields such as power, chemical, and environmental protection. They are key components connecting pipeline sections to pipeline sections, pipelines to equipment interfaces, and pipelines to valves or other auxiliary parts. Their core function is to ensure the sealing, stability, and maintainability of the slurry transport system. When installing limestone slurry conveying pipelines, situations arise where pipes of different diameters need to be connected to each other. In such cases, it is necessary to customize a connection device that can adapt to both pipes. Since there are multiple connection requirements for pipes of different diameters in the pipeline system, if connection devices are customized one by one, multiple sets of molds need to be prepared to produce connection devices that can adapt to different pipe diameters. This will increase the cost of molds and create an economic burden. Summary of the Invention

[0003] To address the problems mentioned in the background section, this invention provides a limestone slurry conveying pipeline connection device, which is adaptable to pipelines of various diameters.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a limestone slurry conveying pipeline connection device, comprising a connecting sleeve; a conveying pipe for conveying limestone slurry is provided inside the connecting sleeve, the internal cavity of the conveying pipe is frustum-shaped, and the outer side of the conveying pipe is provided with a first cutting area and a second cutting area for adjusting the upper and lower bottom diameters of the frustum-shaped cavity, the outer surfaces of the first cutting area and the second cutting area are both cylindrical surfaces, and the upper and lower bottom diameters of the frustum-shaped cavity inside the conveying pipe are respectively used to match the inner diameter of the large-diameter pipe and the inner diameter of the small-diameter pipe.

[0005] As a preferred embodiment of the limestone slurry conveying pipeline connection device of this utility model, the connecting sleeve includes a large-diameter connecting sleeve and a small-diameter connecting sleeve that connect the two pipes on both sides, and both the large-diameter connecting sleeve and the small-diameter connecting sleeve are sleeved on the outside of the transport pipe.

[0006] As a preferred embodiment of the limestone slurry conveying pipeline connection device of this utility model, a long shaft for connecting the conveying pipeline and the connecting pipe sleeve is provided through the flange of the connecting pipe sleeve.

[0007] As a preferred embodiment of the limestone slurry conveying pipeline connection device of this utility model, the inner surface of the large-diameter connecting sleeve is a standard cylindrical surface.

[0008] As a preferred embodiment of the limestone slurry conveying pipeline connection device of this utility model, the inner side of the small-diameter connecting sleeve is provided with a smooth cylindrical surface.

[0009] As a preferred embodiment of the limestone slurry conveying pipeline connection device of this utility model, the inner side of the small-diameter connecting sleeve is provided with an anti-collision surface with an angle not less than the angle of the outer inclined surface of the conveying pipe.

[0010] As a preferred embodiment of the limestone slurry conveying pipeline connection device of this utility model, a fixing sleeve that fits against the end face of the large-diameter connecting sleeve is provided on the outer side of the small-diameter connecting sleeve.

[0011] Compared with the prior art, the beneficial effects of this utility model are: 1. By adjusting the lengths of the first and second cutting zones on both sides of the transport pipe, the diameter of the internal channel of the transport pipe can be adjusted to adapt to pipes of different diameters, thereby improving the adaptability of the connecting device, reducing mold development costs, and lowering economic expenditures.

[0012] 2. The small-diameter pipe, small-diameter connecting sleeve, large-diameter connecting sleeve and large-diameter pipe are connected together by a long shaft connection, and then connected with a special nut for transportation pipelines. This ensures the stability of the connection between the connecting sleeve and the large-diameter pipe and the small-diameter pipe and avoids loosening during use. Attached Figure Description

[0013] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a cross-sectional structural diagram of the connecting device in this utility model; Figure 3 This is a schematic diagram of the fixing sleeve installation structure in this utility model; Figure 4 This is a schematic diagram of the transport pipe structure in this utility model; In the picture: 1. Connecting sleeve; 101. Large diameter connecting sleeve; 102. Small diameter connecting sleeve; 1021. Smooth surface; 1022. Anti-collision surface; 2. Transport pipe; 201. First cutting area; 202. Second cutting area; 3. Fixing sleeve; 4. Large-diameter pipe; 5. Small-diameter pipe; 6. Long shaft. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] like Figures 1-4 As shown: A limestone slurry conveying pipeline connection device includes a connecting sleeve 1; the connecting sleeve 1 is internally provided with a conveying pipe 2 for conveying limestone slurry. The internal cavity of the conveying pipe 2 is frustum-shaped. The outer side of the conveying pipe 2 is provided with a first cutting area 201 and a second cutting area 202 for adjusting the upper and lower bottom diameters of the frustum-shaped cavity. The outer cylindrical surfaces of the first cutting area 201 and the second cutting area 202 are both standard cylindrical surfaces. The upper and lower bottom diameters of the frustum-shaped cavity inside the conveying pipe 2 are respectively used to match the inner diameter of the large-diameter pipe 4 and the inner diameter of the small-diameter pipe 5. When installing limestone slurry conveying pipelines, situations may arise where pipes of different diameters are connected to each other. In this case, a connection device that can simultaneously adapt to two pipes needs to be customized. Since there are multiple connection requirements for pipes of different diameters in the pipeline system, if connection devices are customized one by one, multiple sets of molds need to be prepared to produce connection devices that can adapt to different pipe diameters. This approach increases the cost of mold making and creates an economic burden.

[0016] Now, only one set of connecting pipe sleeve 1 needs to be made. Then, the lengths of the first cutting area 201 and the second cutting area 202 are adjusted by cutting. When adjusting the lengths of the first cutting area 201 and the second cutting area 202, the upper and lower bottom diameters of the frustum-shaped cavity inside the transport pipe 2 will also change accordingly. Then, the lengths of the first cutting area 201 and the second cutting area 202 can be adjusted by cutting according to the inner diameters of the large-diameter pipe 4 and the small-diameter pipe 5, so that the upper and lower bottom diameters of the frustum-shaped cavity inside the transport pipe 2 can match the inner diameters of the connecting pipes on both sides, thereby reducing mold development costs and reducing economic expenditures.

[0017] When adjusting the length of the first cutting zone 201 and the second cutting zone 202 to match the inner diameter of the pipe, the length of the adjustment on both sides must not exceed the preset length range of the first cutting zone 201 and the second cutting zone 202. If it exceeds this range, the transport pipe 2 cannot be installed.

[0018] In an optional embodiment, the connecting sleeve 1 includes a large-diameter connecting sleeve 101 and a small-diameter connecting sleeve 102 that connect the pipes on both sides. Both the large-diameter connecting sleeve 101 and the small-diameter connecting sleeve 102 are fitted onto the outside of the transport pipe 2. After the lengths of the first cutting area 201 and the second cutting area 202 on both sides of the transport pipe 2 are adjusted, the positions of the large-diameter connecting sleeve 101 and the small-diameter connecting sleeve 102 need to be adjusted simultaneously so that the length of the connecting sleeve 1 is the same as the length of the transport pipe 2, ensuring that the installation process proceeds smoothly. At the same time, the inner walls of the large-diameter connecting sleeve 101 and the small-diameter connecting sleeve 102 are tightly fitted with the outer wall of the transport pipe 2, which can provide stable support for the transport pipe 2. In this way, when the limestone slurry flows inside the transport pipe 2, the transport pipe 2 will not vibrate.

[0019] In an optional embodiment, a long shaft 6 for connecting the conveying pipe and the connecting sleeve 1 is provided through the flange of the connecting sleeve 1. The conveying pipes on both sides and the large-diameter connecting sleeve 101 and small-diameter connecting sleeve 102 in the connecting sleeve 1 are connected by the long shaft 6 and then fixed by nuts, thereby ensuring the stability and firmness of the connection between the connecting device and the conveying pipe and preventing it from falling off accidentally during use.

[0020] In an optional embodiment, the inner cylindrical surface of the large-diameter connecting sleeve 101 is a standard cylindrical surface. After the first cutting area 201 is cut, the position of the large-diameter connecting sleeve 101 needs to be adjusted. In order to avoid interference during the adjustment process, the inner cylindrical surface of the large-diameter connecting sleeve 101 and the outer cylindrical surface of the first cutting area 201 are set as standard cylindrical surfaces, so as to ensure that the large-diameter connecting sleeve 101 is not interfered with when sliding on the outside of the transport pipe 2.

[0021] In an optional embodiment, the inner side of the small-diameter connecting sleeve 102 is provided with a smooth surface 1021 in the shape of a standard cylindrical surface. After the second cutting area 202 is cut, the position of the small-diameter connecting sleeve 102 needs to be adjusted. The smooth surface 1021 on the inner side of the small-diameter connecting sleeve 102 and the outer cylindrical surface of the second cutting area 202 are both standard cylindrical surfaces, which can avoid interference when adjusting the position of the small-diameter connecting sleeve 102.

[0022] In an optional embodiment, the inner side of the small-diameter connecting sleeve 102 is provided with an anti-collision surface 1022 with an angle not less than the angle of the outer slope of the transport pipe 2, such as... Figure 3 , Figure 4The slope angle α of the anti-collision surface 1022 is not less than the angle β of the outer slope of the transport pipe 2. After the length of both sides of the transport pipe 2 is adjusted by cutting, the position of the large-diameter connecting sleeve 101 or the small-diameter connecting sleeve 102 needs to be moved synchronously to match the length of the transport pipe 2. If the angle α is less than the angle β, the tail of the anti-collision surface 1022 will collide with the outer slope of the transport pipe 2 when it moves, which will eventually cause the total length of the outer connecting sleeve 1 to not match the length of the transport pipe 2. If the angle α is greater than or equal to the angle β, it will only collide with the outer slope of the transport pipe 2 when the smooth surface 1021 moves to the tail of the second cutting area 202. At this time, the second cutting area 202 no longer needs to be adjusted in length, and it doesn't matter even if it touches the slope.

[0023] In an optional embodiment, a fixing sleeve 3 that fits against the end face of the large-diameter connecting sleeve 101 is fitted onto the outer side of the small-diameter connecting sleeve 102. By fitting the fixing sleeve 3 onto the outer side of the small-diameter connecting sleeve 102 and then tightly fitting the end face of the large-diameter connecting sleeve 101 against the end face of the fixing sleeve 3, the gap between the large-diameter connecting sleeve 101 and the small-diameter connecting sleeve 102 can be filled, preventing loosening between the large-diameter connecting sleeve 101 and the small-diameter connecting sleeve 102 after installation and ensuring its stability. At the same time, in order to ensure that the lengths of the connecting sleeve 1 and the transport pipe 2 are matched, after adjusting the length of the transport pipe 2, the length of the fixing sleeve 3 needs to be adjusted simultaneously by cutting.

[0024] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A limestone slurry pipeline connection device comprising a connection sleeve (1); characterized in that: The connecting sleeve (1) is equipped with a transport pipe (2) for transporting limestone slurry. The internal cavity of the transport pipe (2) is shaped like a frustum. The outer side of the transport pipe (2) is equipped with a first cutting area (201) and a second cutting area (202) for adjusting the upper and lower bottom diameters of the frustum-shaped cavity. The outer surfaces of the first cutting area (201) and the second cutting area (202) are both cylindrical. The upper and lower bottom diameters of the frustum-shaped cavity inside the transport pipe (2) are respectively used to match the inner diameter of the large-diameter pipe (4) and the inner diameter of the small-diameter pipe (5).

2. The limestone slurry pipeline connection apparatus of claim 1, wherein: The connecting sleeve (1) includes a large-diameter connecting sleeve (101) and a small-diameter connecting sleeve (102) that connect the pipes on both sides. Both the large-diameter connecting sleeve (101) and the small-diameter connecting sleeve (102) are fitted on the outside of the transport pipe (2).

3. The limestone slurry pipeline connection apparatus of claim 1, wherein: A long shaft (6) for connecting the conveying pipe and the connecting sleeve (1) is provided through the flange of the connecting sleeve (1).

4. The limestone slurry pipeline connection apparatus of claim 1, wherein: The inner surface of the large-diameter connecting sleeve (101) is cylindrical.

5. The limestone slurry pipeline connection apparatus of claim 2, wherein: The inner side of the small-diameter connecting sleeve (102) is provided with a smooth cylindrical surface (1021).

6. The limestone slurry pipeline connection apparatus of claim 2, wherein: The inner side of the small-diameter connecting sleeve (102) is provided with an anti-collision surface (1022) with an angle not less than the angle of the outer slope of the transport pipe (2).

7. The limestone slurry pipeline connection apparatus of claim 2, wherein: The outer side of the small diameter connecting sleeve (102) is fitted with a fixing sleeve (3) that fits against the end face of the large diameter connecting sleeve (101).

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