Conveying pipeline device for long distance and large fall

Abstract

The utility model discloses a long-distance large-fall conveying pipeline device, particularly relates to the technical field of conveying pipelines, and comprises a high-position conveying pipeline and a low-position conveying pipeline arranged below the end part of the high-position conveying pipeline, and a middle conveying pipeline is arranged between the high-position conveying pipeline and the low-position conveying pipeline. A first connecting piece is communicated between the top of the middle conveying pipeline and the end of the high-position conveying pipeline, and a second connecting piece is communicated between the bottom of the middle conveying pipeline and the end of the low-position conveying pipeline. When liquid is conveyed between long-distance and large-fall pipelines, the pressure reducing assembly is used for reducing pressure on the middle conveying pipeline, and the liquid flowing into the middle conveying pipeline through the pressure reducing assembly can be subjected to flow dividing treatment; the liquid conveyed from the high-position conveying pipeline to the interior of the middle conveying pipeline in unit time is dispersed, and the fall impact pressure formed in the middle conveying pipeline when the liquid is conveyed between long-distance and large-fall pipelines is further reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to conveying pipeline technical field more specifically, the utility model relates to a conveying pipeline device for long distance big fall. BACKGROUND

[0002] In conveying pipeline technology, long distance big fall conveying pipeline device faces a series of complex technical challenges, and such devices are usually used to convey fluids, such as water, concrete or other liquid substances, especially in complex terrain and large undulating areas. Due to the long conveying distance and large drop, the fluid in the pipeline will be affected by gravity, friction and other forces during conveying, resulting in problems such as flow control, pressure protection, air intake and exhaust.

[0003] For long distance big fall conveying pipeline for conveying liquid, there is an intermediate pipeline directly connected to the upper and lower pipelines. The liquid conveyed by the upper pipeline has a large impact on the intermediate pipeline during the process of changing flow direction to the intermediate pipeline, which shortens the service life of the intermediate pipeline compared with the upper and lower conveying pipelines. Therefore, a structure is needed to reduce the impact pressure on the intermediate pipeline. SUMMARY

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a conveying pipeline device for long distance big fall.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a conveying pipeline device for long distance big fall, comprising a high conveying pipeline and a low conveying pipeline arranged below the end of the high conveying pipeline, an intermediate conveying pipeline is arranged between the high conveying pipeline and the low conveying pipeline, a first connecting piece is communicated between the top of the intermediate conveying pipeline and the end of the high conveying pipeline, and a second connecting piece is communicated between the bottom of the intermediate conveying pipeline and the end of the low conveying pipeline, two arc-shaped flow dividing pipes are symmetrically connected to the outer side walls of the intermediate conveying pipeline, the ends of the two arc-shaped flow dividing pipes are communicated with the ends of the intermediate conveying pipeline, and the middle parts of the two arc-shaped flow dividing pipes are communicated with the middle part of the intermediate conveying pipeline through a communicating pipe, a pressure reducing assembly is installed on the inner wall of each end of the intermediate conveying pipeline, a flow dividing assembly is fixedly installed on the inner wall of the intermediate conveying pipeline near the top of each arc-shaped flow dividing pipe, a limiting seat is arranged on the inner wall of the middle part of each arc-shaped flow dividing pipe below the end of the communicating pipe, and a second arc-shaped guide part is arranged on the top of the limiting seat to guide the inside of the communicating pipe.

[0006] As a further improvement of the utility model technical scheme, the first connecting piece and the second connecting piece are both arc-shaped pipes, the two ends of the arc-shaped pipes are respectively provided with flanges of horizontal and vertical structures, and the two ends of the intermediate conveying pipeline are both provided with flanges.

[0007] As a further improvement of the utility model technical scheme, the two ends of the first connecting piece are connected with the ends of the high-position conveying pipeline and the intermediate conveying pipeline through flange bolts, and sealing rings are arranged at the connecting positions, and the two ends of the second connecting piece are connected with the ends of the low-position conveying pipeline and the intermediate conveying pipeline through flange bolts, and sealing rings are arranged at the connecting positions.

[0008] As a further improvement of the utility model technical scheme, the pressure reduction assembly comprises a column seat fixedly connected to the inner wall of the intermediate conveying pipeline, the two ends of the column seat are provided with horn mouths of a symmetrical structure, and a through hole is communicated between the middle portions of the two horn mouths.

[0009] As a further improvement of the utility model technical scheme, the column seat and the inner wall of the intermediate conveying pipeline are in a seamless welding structure.

[0010] As a further improvement of the utility model technical scheme, the flow distribution assembly comprises a flow distribution seat fixedly connected to the inner wall of the intermediate conveying pipeline, a straight-through channel is arranged on the middle portion of the flow distribution seat and close to the direction where the first connecting piece is located, a flared channel communicated with the straight-through channel is arranged in the bottom of the flow distribution seat, and first arc-shaped guide portions inside the arc-shaped flow distribution pipes are arranged on the top of the flow distribution seat and on the two sides of the straight-through channel.

[0011] As a further improvement of the utility model technical scheme, the flow distribution seat and the inner wall of the intermediate conveying pipeline are fixedly connected in a seamless welding structure, and the arc bottoms of the first arc-shaped guide portions are arranged in tangential connection with the top inner wall of the arc-shaped flow distribution pipes.

[0012] The utility model discloses beneficial effects:

[0013] 1. By installing the pressure reduction assembly, when the water flowing through the high-position conveying pipeline passes through the pressure reduction assembly, the water can pass through the through hole in the upper horn mouth and enter the lower horn mouth, in this process, the water flow is vertically downward at the beginning, does not directly contact the inner wall of the intermediate conveying pipeline, when the water amount collected in the intermediate conveying pipeline increases, the water pressure is formed on the inner wall of the intermediate conveying pipeline, which can reduce the pressure on the intermediate conveying pipeline when conveying liquid between long-distance and large-fall pipelines, and prolong the service life of the intermediate conveying pipeline.

[0014] 2、By setting the shunt assembly and setting the arc-shaped shunt pipe, through the pipe and the limit seat, the liquid flowing into the inside of the intermediate conveying pipe through the pressure reducing assembly can be shunted, a part directly flows into the lower part through the straight-through channel, and another part is guided to the inside of the two arc-shaped shunt pipes through the first arc-shaped guide part, so that the pressure of the conveying liquid on the intermediate conveying pipe is further reduced, a part of the liquid in the arc-shaped shunt pipe continues to be guided to the inside of the communication pipe through the second arc-shaped guide part and communicates with the intermediate conveying pipe, so that the liquid conveyed from the high-level conveying pipe to the inside of the intermediate conveying pipe in unit time is dispersed, and the impact pressure formed by the liquid conveyed between the long-distance large-fall pipes on the inside of the intermediate conveying pipe is further reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model.

[0016] Figure 2 It is a connection sectional view of the arc-shaped shunt pipe, the communication pipe and the intermediate conveying pipe in the utility model.

[0017] Figure 3 It is the utility model Figure 2 It is an enlarged view of part A in the utility model.

[0018] Figure 4 It is a structural schematic view of the pressure reducing assembly in the utility model.

[0019] The figure mark is: 1, high-level conveying pipe; 2, first connecting piece; 3, intermediate conveying pipe; 4, second connecting piece; 5, low-level conveying pipe; 6, arc-shaped shunt pipe; 7, communication pipe; 8, pressure reducing assembly; 9, shunt seat; 10, straight-through channel; 11, flared channel; 12, first arc-shaped guide part; 13, limit seat; 14, second arc-shaped guide part; 301, flange; 801, cylindrical seat; 802, trumpet mouth; 803, through hole. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] As shown in the accompanying Figures 1-4The device for long-distance and large-drop conveying pipeline shown in the application comprises a high conveying pipeline 1, a low conveying pipeline 5 arranged below the end of the high conveying pipeline 1, a first connecting piece 2 communicated between the top of the intermediate conveying pipeline 3 and the end of the high conveying pipeline 1, a second connecting piece 4 communicated between the bottom of the intermediate conveying pipeline 3 and the end of the low conveying pipeline 5, two arc-shaped shunt pipes 6 symmetrically connected to the two outer sidewalls of the intermediate conveying pipeline 3, two ends of the two arc-shaped shunt pipes 6 communicated with the two ends of the intermediate conveying pipeline 3, a communicating pipe 7 communicated between the middle of the two arc-shaped shunt pipes 6 and the middle of the intermediate conveying pipeline 3, a pressure reducing assembly 8 installed on the inner wall of the two ends of the intermediate conveying pipeline 3, a shunt assembly fixedly installed on the inner wall of the intermediate conveying pipeline 3 near the top of the two arc-shaped shunt pipes 6, a limiting seat 13 arranged below the end of the communicating pipe 7 near the middle of the two arc-shaped shunt pipes 6, and a second arc-shaped guide part 14 arranged on the top of the limiting seat 13 and guiding the inside of the communicating pipe 7.

[0022] As shown in the accompanying drawings Figures 1-2 The first connecting piece 2 and the second connecting piece 4 are both arc-shaped pipes, the two ends of the arc-shaped pipes are respectively provided with flanges of horizontal and vertical structures, and the two ends of the intermediate conveying pipeline 3 are provided with flanges 301, wherein the two ends of the first connecting piece 2 are connected with the ends of the high conveying pipeline 1 and the intermediate conveying pipeline 3 through flange bolts, a sealing ring is arranged at the connecting position, the two ends of the second connecting piece 4 are connected with the ends of the low conveying pipeline 5 and the intermediate conveying pipeline 3 through flange bolts, a sealing ring is arranged at the connecting position, the first connecting piece 2 is convenient to connect with and detach from the high conveying pipeline 1 and the intermediate conveying pipeline 3, and the second connecting piece 4 is convenient to connect with and detach from the low conveying pipeline 5 and the intermediate conveying pipeline 3.

[0023] As shown in the accompanying drawings Figure 2 and the accompanying drawings Figure 4As shown, the pressure reducing assembly 8 includes a column seat 801 fixedly connected to the inner wall of the intermediate conveying pipe 3, both ends of the column seat 801 are provided with symmetrically structured trumpet mouths 802, the middle part between the two trumpet mouths 802 is communicated with a through hole 803, the column seat 801 and the inner wall of the intermediate conveying pipe 3 are in a seamless welding structure, the pressure reducing assembly 8 is fixedly installed in the inside of the intermediate conveying pipe 3, the water flowing under the high-position conveying pipe 1 passes through the upper trumpet mouth 802, enters the lower trumpet mouth 802 through the through hole 803, in this process, the water flow is vertically downward at the beginning, does not directly contact the inner wall of the intermediate conveying pipe 3, when the water amount collected in the inside of the intermediate conveying pipe 3 increases, the water pressure is formed on the inner wall of the intermediate conveying pipe 3, by installing the pressure reducing assembly 8 on the inner wall of both ends of the intermediate conveying pipe 3, the pressure on the intermediate conveying pipe 3 can be reduced when conveying liquid between long-distance and large-fall pipes, and the service life of the intermediate conveying pipe 3 is prolonged.

[0024] As shown in the accompanying drawings, Figures 2-3 As shown, the shunt assembly includes a shunt seat 9 fixedly connected to the inner wall of the intermediate conveying pipe 3, a straight passage 10 is arranged on the middle part of the shunt seat 9 close to the direction where the first connecting piece 2 is located, a flared passage 11 is arranged on the bottom of the shunt seat 9 and communicated with the straight passage 10, first arc-shaped guide parts 12 are arranged on the top of the shunt seat 9 and inside the arc-shaped shunt pipes 6 on both sides of the straight passage 10, the shunt seat 9 and the inner wall of the intermediate conveying pipe 3 are fixedly connected by seamless welding, the arc bottom of the first arc-shaped guide part 12 is tangentially arranged between the top inner wall of the arc-shaped shunt pipe 6, the shunt assembly can be used for shunting the liquid flowing into the inside of the intermediate conveying pipe 3 through the pressure reducing assembly 8, a part of the liquid directly flows into the lower part through the straight passage 10, another part of the liquid is guided to the inside of the two arc-shaped shunt pipes 6 through the first arc-shaped guide part 12, thereby further reducing the pressure of the conveying liquid on the intermediate conveying pipe 3, a part of the liquid in the inside of the arc-shaped shunt pipe 6 is guided to the inside of the communicating pipe 7 and communicated with the intermediate conveying pipe 3 through the second arc-shaped guide part 14, thereby dispersing the liquid conveyed from the high-position conveying pipe 1 to the inside of the intermediate conveying pipe 3 in unit time, further reducing the impact pressure formed by the fall between long-distance and large-fall pipes when conveying liquid, it should be noted that the limiting seat 13 installed in the inside of the arc-shaped shunt pipe 6 and the shunt assembly installed in the inside of the intermediate conveying pipe 3 can be fixedly connected by the same way, for example, the limiting seat 13 is welded, the arc-shaped shunt pipe 6 is cut into two parts, the welding position of the limiting seat 13 is exposed for welding treatment, after the limiting seat 13 is welded, the two parts of the arc-shaped shunt pipe 6 are re-welded, then a corrosion-resistant layer is coated on the outer surface to make the surface smooth.

[0025] Working principle: the utility model discloses a kind of long-distance large-drop conveying pipeline device, specific structure as shown in attached Figures 1-4 In the technical scheme, the water flowing under the high conveying pipeline 1 passes through the upper horn mouth 802 and enters the lower horn mouth 802 through the through hole 803 when passing through the pressure reducing assembly 8, in this process, the water flow is vertically downward at the beginning, and does not directly contact the inner wall of the intermediate conveying pipeline 3, when the water quantity collected in the intermediate conveying pipeline 3 increases, the water pressure is formed on the inner wall of the intermediate conveying pipeline 3, which can reduce the pressure on the intermediate conveying pipeline 3 when conveying liquid between long-distance large-drop pipelines, and prolong the service life of the intermediate conveying pipeline 3.

[0026] In the drawings of the utility model, only the structures related to the embodiments of the utility model are involved, other structures can be referred to the usual design, and the same embodiments and different embodiments of the utility model can be combined with each other under the condition of no conflict.

[0027] Finally: the above only for preferred embodiment of the utility model has, and does not use for limiting the utility model, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A conveying pipeline device for long distance and large drop, comprising a high-position conveying pipeline (1) and a low-position conveying pipeline (5) arranged below the end of the high-position conveying pipeline (1), an intermediate conveying pipeline (3) is arranged between the high-position conveying pipeline (1) and the low-position conveying pipeline (5), a first connecting piece (2) is connected between the top of the intermediate conveying pipeline (3) and the end of the high-position conveying pipeline (1), and a second connecting piece (4) is connected between the bottom of the intermediate conveying pipeline (3) and the end of the low-position conveying pipeline (5), characterized in that: The two outer side walls of the intermediate conveying pipe (3) are symmetrically connected with arc-shaped diverter pipes (6), the two ends of the two arc-shaped diverter pipes (6) are connected to the two ends of the intermediate conveying pipe (3), and the middle parts of the two arc-shaped diverter pipes (6) and the middle part of the intermediate conveying pipe (3) are connected with a connecting pipe (7), the inner walls of the two ends of the intermediate conveying pipe (3) are installed with a pressure reducing assembly (8), and the inner wall of the intermediate conveying pipe (3) is fixedly installed with a diverter assembly at a position near the top side of the two arc-shaped diverter pipes (6), and the inner walls of the middle parts of the two arc-shaped diverter pipes (6) are provided with a limiting seat (13) at a position below the end of the connecting pipe (7), and the top of the limiting seat (13) is provided with a second arc-shaped guide portion (14) guiding the inside of the connecting pipe (7).

2. A pipeline device for long distance and large drop according to claim 1, characterized in that: The first connecting member (2) and the second connecting member (4) are both arc-shaped tubes, and the two ends of the arc-shaped tubes are respectively provided with flanges of horizontal and vertical structures, and the two ends of the intermediate conveying pipe (3) are both provided with flanges (301).

3. The long-distance and large-drop conveying pipeline device according to claim 1, characterized in that: The two ends of the first connecting member (2) are connected to the ends of the high-position delivery pipeline (1) and the intermediate delivery pipeline (3) through flange bolts, and sealing rings are provided at the connections. The two ends of the second connecting member (4) are connected to the ends of the low-position delivery pipeline (5) and the intermediate delivery pipeline (3) through flange bolts, and sealing rings are provided at the connections.

4. The long-distance and large-drop conveying pipeline device according to claim 1 is characterized in that: The decompression assembly (8) comprises a column seat (801) fixedly connected to the inner wall of the intermediate delivery pipe (3), wherein the two ends of the column seat (801) are provided with bell mouths (802) of symmetrical structure, and a through hole (803) is connected between the middle parts of the two bell mouths (802).

5. The long-distance and large-drop conveying pipeline device according to claim 4 is characterized in that: The column seat (801) and the inner wall of the middle conveying pipe (3) are seamlessly welded.

6. The long-distance and large-drop conveying pipeline device according to claim 1 is characterized in that: The diverter assembly comprises a diverter seat (9) fixedly connected to the inner wall of the intermediate conveying pipe (3); a direct current channel (10) is provided in the middle of the diverter seat (9) near the direction of the first connecting member (2); and a flared channel (11) communicating with the direct current channel (10) is provided at the bottom of the diverter seat (9); and a first arc-shaped guide portion (12) guiding the interior of the arc-shaped diverter pipe (6) is provided on both sides of the top of the diverter seat (9) located on the direct current channel (10).

7. The long-distance and large-drop conveying pipeline device according to claim 6, characterized in that: The diverter seat (9) is seamlessly welded to the inner wall of the intermediate delivery pipe (3), and the arc bottom of the first arc-shaped guide portion (12) is tangent to the top inner wall of the arc-shaped diverter pipe (6).

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