Auxiliary ultrahigh siphon conveying device

Abstract

The auxiliary ultrahigh siphon conveying device comprises a siphon pipe, a high-position water tank and a low-position water tank, and an arc-shaped bent pipe section is arranged at the highest position of the siphon pipe; the device is characterized in that the upstream end of the arc-shaped bent pipe section is connected with a first injection assembly, the first injection assembly comprises a first injection spray pipe, a first pipeline, a first valve, a second injection spray pipe, a second pipeline, a second valve, a linkage synchronous controller and a first small liquid pump, and the first injection spray pipe is connected with the first valve through the first pipeline; the second injection spray pipe is connected with the second valve through a second pipeline, and the first valve and the second valve are connected through a linkage synchronous controller so as to synchronously control opening or closing of the two valves. By means of the design of the first injection assembly and the second injection assembly, cutoff in the arc-shaped bent pipe section can be avoided or restrained, and therefore it can be guaranteed that a continuous and stable flow field exists in the siphon pipe.

Description

Technical Field

[0001] The present invention relates to the technical field of siphon conveying devices, and particularly relates to an auxiliary ultra-high siphon conveying device. Background Art

[0002] The siphon phenomenon in water flow is well known to the public, but it is quite difficult to successfully and efficiently apply the siphon in engineering, especially in the case of ultra-high siphon conveying. The existing siphon conveying adopts means such as using a vacuum pump to evacuate or injecting water flow into the siphon through an injection pipe to improve the siphon conveying performance. However, there is still a situation where the flow may be interrupted in the arc-shaped elbow section of the existing siphon conveying device, and a continuous and stable flow field in the siphon cannot be efficiently and continuously guaranteed. There is a problem that the flow rate and efficiency of the siphon conveying device need to be further improved. Summary of the Invention

[0003] The purpose of the present invention is to overcome the deficiencies in the prior art and provide an auxiliary ultra-high siphon conveying device. Through the design of the first injection component and the second injection component, it can avoid / suppress the occurrence of flow interruption in the arc-shaped elbow section, so as to ensure a continuous and stable flow field in the siphon.

[0004] An auxiliary ultra-high siphon conveying device of the present invention can be used in multiple specific application scenarios / environments such as experimental simulation and engineering water conveyance.

[0005] In order to achieve the above purpose, the technical solution adopted by the present invention is as follows:

[0006] An auxiliary ultra-high siphon conveying device includes a siphon, a high-level water tank, and a low-level water tank. The upstream end of the siphon is connected to the high-level water tank, and the downstream end is connected to the low-level water tank. An arc-shaped elbow section is provided at the highest position of the siphon. It is characterized in that: the upstream end of the arc-shaped elbow section is connected with a first injection component, and the first injection component includes a first injection nozzle, a first pipeline, a first valve, a second injection nozzle, a second pipeline, a second valve, a linkage synchronous controller, and a first small liquid pump. The first injection nozzle and the second injection nozzle are arranged on the arc-shaped elbow section for injecting a first liquid into the pipe. The first injection nozzle is connected to the first valve through the first pipeline, and the second injection nozzle is connected to the second valve through the second pipeline. The first valve and the second valve are connected through the linkage synchronous controller to synchronously control the opening or closing of the two valves. The first valve and the second valve are respectively connected to the first small liquid pump through branch pipes in sequence, and the first small liquid pump is connected to a first liquid source.

[0007] Furthermore, the first injection nozzle and the second injection nozzle are respectively arranged on opposite sides of the arc-shaped elbow section, and are spaced or staggered along the length direction of the arc-shaped elbow section.

[0008] Further, the first ejector nozzle is used to eject a first liquid with a first pressure and a first flow rate, and the second ejector nozzle is used to eject a first liquid with a second pressure and a second flow rate; the surface tension of the first liquid is greater than the surface tension of water.

[0009] Further, the first valve and the second valve are ball valve - type valves, and the linkage synchronous controller is of a multi - link type.

[0010] Further, a second ejector assembly is connected to the downstream end of the arc - shaped elbow section. The second ejector assembly includes a second small liquid pump, a first flange, a second flange, an ejector disc, and a water inlet disc. The upper side of the first flange is fixedly connected to the siphon pipe, the lower side of the second flange is fixedly connected to the siphon pipe, a water inlet disc and an ejector disc are installed between the first flange and the second flange, the water inlet disc is connected to the second small liquid pump, the ejector disc is communicated with the inner cavity of the siphon pipe, and the second small liquid pump is connected to a water source.

[0011] Further, the ejector disc includes an ejector cavity and an ejector flow channel. A plurality of ejector cavities are evenly distributed along the circumferential direction. The ejector cavity is communicated with the inner cavity of the ejector disc through the ejector flow channel, and the ejector flow channel is substantially tangent to the inner circumferential surface of the ejector disc; the water inlet disc includes an annular flow channel and a water inlet hole. The annular flow channel is sequentially connected to the second small liquid pump through the water inlet hole, a pipeline, and a valve. The annular flow channel corresponds to and is communicated with the ejector cavity, and water with a third pressure and a third flow rate is ejected into the siphon pipe through a plurality of ejector flow channels.

[0012] Further, the cross - sectional area of the ejector flow channel gradually decreases from its upstream end to its downstream end.

[0013] Further, the first flange, the water inlet disc, the ejector disc, and the second flange are arranged in sequence, and they have the same inner diameter and the same outer diameter, and they are connected by threaded connectors and seals.

[0014] Further, a check valve is connected to the upstream end of the siphon pipe, and a regulating control valve is connected to the downstream end.

[0015] Further, a vacuum pump is connected to the downstream end of the arc - shaped elbow section. The vacuum pump is connected to the downstream end of the arc - shaped elbow section through a pipeline and a valve.

[0016] An auxiliary ultra - high siphon transportation device of the present invention, through the design of the first ejector assembly, by ejecting a first liquid at the upstream end of the arc - shaped elbow section, the first ejector nozzle and the second ejector nozzle are respectively arranged on opposite sides of the arc - shaped elbow section and are spaced or staggered along the length direction of the arc - shaped elbow section. The surface tension of the first liquid is greater than the surface tension of water. By adjusting the influence of the surface tension on the interruption of the flow, the occurrence of flow interruption in the arc - shaped elbow section can be avoided / suppressed, so as to ensure a continuous and stable flow field in the siphon pipe.

[0017] Through the design of the second ejector assembly, the present invention injects water with a third pressure and a third flow rate into the siphon through multiple ejector channels, which can further avoid / suppress the occurrence of flow interruption in the arc-shaped elbow section, thereby ensuring a continuous and stable flow field in the siphon and improving the flow rate transported by the siphon. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the principle of the auxiliary ultra-high siphon transportation device of the present invention;

[0019] Figure 2 is a schematic diagram of the structure of the first ejector assembly of the auxiliary ultra-high siphon transportation device of the present invention;

[0020] Figure 3 is a schematic diagram of the structure of the second ejector assembly of the auxiliary ultra-high siphon transportation device of the present invention;

[0021] Figure 4 is a schematic diagram of the structure of the second ejector assembly of the auxiliary ultra-high siphon transportation device of the present invention.

[0022] In the figure: siphon 1, high-level water tank 2, low-level water tank 3, arc-shaped elbow section 4, check valve 5, regulating control valve 6, first ejector assembly 7, vacuum pump 8, second ejector assembly 9, first ejector nozzle 71, first pipeline 72, first valve 73, second ejector nozzle 74, second pipeline 75, second valve 76, linkage synchronous controller 77, first small liquid pump 78, second small liquid pump 91, first flange 92, second flange 93, ejector disc 94, water inlet disc 95, ejector cavity 96, ejector channel 97, annular channel 98, water inlet hole 99. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] To make the technical solutions and their advantages of the present invention clearer, the technical solutions of the present invention will be further described clearly and completely below with reference to the drawings. It can be understood that the specific embodiments described herein are only partial embodiments of the present invention, which are only used to explain the present invention and not to limit the present invention. It should be noted that for the convenience of description, only the parts / structures related to the present invention are shown in the drawings, and other related parts can refer to the general design. Without conflict, the embodiments in the present invention and the technical features in the embodiments can be combined with each other to obtain new embodiments.

[0024] Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present invention. In addition, unless otherwise defined, the technical terms or scientific terms used in the description of the present invention shall have the ordinary meanings understood by those of ordinary skill in the art in the field to which the present invention belongs.

[0025] The present invention will be further described in detail below with reference to the accompanying drawings.

[0026] As Figures 1-4 shown, an auxiliary ultra-high siphon conveying device includes a siphon tube 1, a high-level water tank 2, and a low-level water tank 3. The upstream end of the siphon tube 1 is connected to the high-level water tank 2, and the downstream end is connected to the low-level water tank 3. An arc-shaped elbow section 4 is provided at the highest position of the siphon tube 1. It is characterized in that: the upstream end of the arc-shaped elbow section 4 is connected with a first ejector assembly 7. The first ejector assembly 7 includes a first ejector nozzle 71, a first pipeline 72, a first valve 73, a second ejector nozzle 74, a second pipeline 75, a second valve 76, a linkage synchronous controller 77, and a first small liquid pump 78. The first ejector nozzle 71 and the second ejector nozzle 74 are arranged on the arc-shaped elbow section 4 for injecting a first liquid into the pipe. The first ejector nozzle 71 is connected to the first valve 73 through the first pipeline 72, and the second ejector nozzle 74 is connected to the second valve 76 through the second pipeline 75. The first valve 73 and the second valve 76 are connected through the linkage synchronous controller 77 to synchronously control the opening or closing of the two valves. The first valve 73 and the second valve 76 are respectively connected to the first small liquid pump 78 through branch pipes in sequence, and the first small liquid pump 78 is connected to a first liquid source.

[0027] The first ejector nozzle 71 and the second ejector nozzle 74 are respectively arranged on opposite sides of the arc-shaped elbow section 4, and are spaced or staggered along the length direction of the arc-shaped elbow section 4.

[0028] The first ejector nozzle 71 is used to inject a first liquid with a first pressure and a first flow rate, and the second ejector nozzle 74 is used to inject a first liquid with a second pressure and a second flow rate.

[0029] The surface tension of the first liquid is greater than the surface tension of water.

[0030] The first valve 73 and the second valve 76 are ball valve type valves, and the linkage synchronous controller 77 is of a multi-link type.

[0031] In the auxiliary ultra-high siphon conveying device of the present invention, through the design of the first ejector assembly 7, by injecting a first liquid at the upstream end of the arc-shaped elbow section 4, the first ejector nozzle 71 and the second ejector nozzle 74 are respectively arranged on opposite sides of the arc-shaped elbow section 4, and are spaced or staggered along the length direction of the arc-shaped elbow section 4. The surface tension of the first liquid is greater than the surface tension of water. By adjusting the influence of the surface tension on the interruption of the flow, the occurrence of flow interruption in the arc-shaped elbow section 4 can be avoided / suppressed, so as to ensure a continuous and stable flow field in the siphon tube 1.

[0032] In one embodiment, a second ejector assembly 9 is connected to the downstream end of the arc-shaped elbow section 4. The second ejector assembly 9 includes a second small liquid pump 91, a first flange 92, a second flange 93, an ejector disc 94, and a water inlet disc 95. The upper side of the first flange 92 is fixedly connected to the siphon 1, and the lower side of the second flange 93 is fixedly connected to the siphon 1. The water inlet disc 95 and the ejector disc 94 are installed between the first flange 92 and the second flange 93. The water inlet disc 95 is connected to the second small liquid pump 91, the ejector disc 94 is communicated with the inner cavity of the siphon 1, and the second small liquid pump 91 is connected to a water source.

[0033] The ejector disc 94 includes an ejector cavity 96 and an ejector flow channel 97. A plurality of ejector cavities 96 are evenly distributed in the circumferential direction (such as 4 or 6). The ejector cavity 96 is communicated with the inner cavity of the ejector disc 94 through the ejector flow channel 97, and the ejector flow channel 97 is substantially tangent to the inner circumferential surface of the ejector disc 94. The water inlet disc 95 includes an annular flow channel 98 and a water inlet hole 99. The annular flow channel 98 is sequentially connected to the second small liquid pump 91 through the water inlet hole 99, a pipeline, and a valve. The annular flow channel 98 corresponds to and is communicated with the ejector cavity 96, and water with a third pressure and a third flow rate is sprayed into the siphon 1 through a plurality of ejector flow channels 97.

[0034] The cross-sectional area of the ejector flow channel 97 gradually decreases from its upstream end to its downstream end.

[0035] The first flange 92, the water inlet disc 95, the ejector disc 94, and the second flange 93 are arranged in sequence, and they have the same inner diameter and the same outer diameter, and they are connected by threaded connectors and seals.

[0036] An auxiliary ultra-high siphon conveying device of the present invention, through the design of the second ejector assembly 9, sprays water with a third pressure and a third flow rate into the siphon 1 through a plurality of ejector flow channels 97, which can further avoid / suppress the occurrence of a broken flow in the arc-shaped elbow section 4, thereby ensuring a continuous and stable flow field in the siphon 1 and improving the conveying flow rate of the siphon 1.

[0037] In one embodiment, a one-way valve 5 is connected to the upstream end of the siphon 1, and a regulating control valve 6 is connected to the downstream end, which is used to ensure a continuous and stable flow field in the siphon 1.

[0038] A vacuum pump 8 is connected to the downstream end of the arc-shaped elbow section 4. The vacuum pump is connected to the downstream end of the arc-shaped elbow section 4 through a pipeline and a valve. The vacuum pump 8 is used to generate a negative pressure in the siphon 1 before the siphon conveying starts.

[0039] An auxiliary ultra-high siphon transportation device of the present invention, through the design of the first ejector assembly 7, sprays a first liquid at the upstream end of the arc-shaped elbow section 4. The first ejector nozzle 71 and the second ejector nozzle 74 are respectively arranged on the opposite sides of the arc-shaped elbow section 4 and are arranged at intervals or staggeringly along the length direction of the arc-shaped elbow section 4. The surface tension of the first liquid is greater than that of water. By adjusting the influence of the surface tension on the interruption of the flow, the occurrence of flow interruption in the arc-shaped elbow section 4 can be avoided / suppressed, so that a continuous and stable flow field can be ensured in the siphon 1.

[0040] Through the design of the second ejector assembly 9 of the present invention, water with a third pressure and a third flow rate is sprayed into the siphon 1 through a plurality of ejector channels 97, which can further avoid / suppress the occurrence of flow interruption in the arc-shaped elbow section 4, so that a continuous and stable flow field can be ensured in the siphon 1, and the transportation flow rate of the siphon 1 can be increased.

[0041] An auxiliary ultra-high siphon transportation device of the present invention can be used in multiple specific application scenarios / environments such as experimental simulation and engineering water conveyance.

[0042] The above embodiments are illustrative of the present invention, not restrictive of the present invention. It can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An auxiliary super-high siphon conveying device, comprising a siphon pipe (1), a high-level water tank (2), and a low-level water tank (3), wherein the upstream end of the siphon pipe is connected to the high-level water tank, and the downstream end is connected to the low-level water tank, and an arc-shaped curved pipe section (4) is arranged at the highest position of the siphon pipe; characterized in that: The upstream end of the curved curved pipe section is connected to a first ejection assembly (7), which comprises a first ejection nozzle (71), a first pipeline (72), a first valve (73), a second ejection nozzle (74), a second pipeline (75), a second valve (76), a linkage synchronous controller (77), and a first small liquid pump (78). The first ejection nozzle and the second ejection nozzle are arranged on the curved curved pipe section to eject a first liquid into the pipe. The first ejection nozzle is connected to the first valve via the first pipeline, and the second ejection nozzle is connected to the second valve via the second pipeline. The first valve and the second valve are connected via a linkage synchronous controller to synchronously control the opening or closing of the two valves. The first valve and the second valve are respectively connected to the first small liquid pump via a branch pipe and a branch pipe in sequence, and the first small liquid pump is connected to a first liquid source.

2. An auxiliary super-high siphon conveying device as claimed in claim 1, characterized in that: The first ejection nozzle and the second ejection nozzle are respectively arranged on opposite sides of the arc-shaped curved pipe section, and are spaced or staggered along the length direction of the arc-shaped curved pipe section.

3. An auxiliary super-high siphon conveying device as claimed in claim 2, characterized in that: The first ejection nozzle is used to eject the first liquid with a first pressure and a first flow rate, and the second ejection nozzle is used to eject the first liquid with a second pressure and a second flow rate; the surface tension of the first liquid is greater than the surface tension of water.

4. An auxiliary super-high siphon conveying device as claimed in claim 3, characterized in that: The first valve and the second valve are ball valves, and the linkage synchronous controller is a multi-link type.

5. The auxiliary super-high siphon conveying device according to claim 1, characterized in that: The downstream end of the arc-shaped curved pipe section is connected to a second ejector assembly (9), which comprises a second small liquid pump (91), a first flange (92), a second flange (93), an ejector plate (94), and a water inlet plate (95). The upper side of the first flange is fixedly connected to the siphon pipe, and the lower side of the second flange is fixedly connected to the siphon pipe. The water inlet plate and the ejector plate are installed between the first flange and the second flange. The water inlet plate is connected to the second small liquid pump, the ejector plate is connected to the inner cavity of the siphon pipe, and the second small liquid pump is connected to a water source.

6. An auxiliary super-high siphon conveying device as claimed in claim 5, characterized in that: The ejector disc comprises an ejector cavity (96) and an ejector channel (97), wherein the plurality of ejector cavities are evenly distributed along the circumference, the ejector cavity is connected to the inner cavity of the ejector disc through the ejector channel, and the ejector channel is roughly tangent to the inner circumference of the ejector disc; the water inlet disc comprises an annular channel (98) and a water inlet hole (99), the annular channel is connected to the second small liquid pump through the water inlet hole, a pipeline, and a valve in sequence, the annular channel corresponds to the ejector cavity and is connected, and water with a third pressure and a third flow rate is ejected into the siphon through the plurality of ejector channels.

7. An auxiliary super-high siphon conveying device as claimed in claim 6, characterized in that: The cross-sectional area of ​​the injection channel gradually decreases from its upstream end to its downstream end.

8. An auxiliary super-high siphon conveying device as claimed in claim 7, characterized in that: The first flange, the water inlet plate, the ejector plate and the second flange are arranged in sequence, and have the same inner diameter and outer diameter, and are connected by threaded connectors and sealing components.

9. The auxiliary super-high siphon conveying device according to claim 1, characterized in that: The upstream end of the siphon tube is connected to a one-way valve (5), and the downstream end is connected to a regulating control valve (6).

10. An auxiliary super-high siphon conveying device as claimed in claim 9, characterized in that: The downstream end of the arc-shaped curved pipe section is connected to a vacuum pump (8), which is connected to the downstream end of the arc-shaped curved pipe section through a pipeline and a valve.

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