Hydraulic structure capable of realizing automatic layered drainage

Abstract

The utility model provides a hydraulic structure capable of realizing automatic layered drainage, which comprises a sand blocking reservoir arranged in a riverway and used for blocking silt in water flow in the riverway; and the mud stacking reservoir is arranged in the river channel, is positioned at the downstream of the sand blocking reservoir and is used for blocking the silt in the water flow flowing through the sand blocking reservoir again. According to the device, the sand blocking reservoir and the mud stacking reservoir are arranged, the sand blocking reservoir is arranged in the river channel and used for blocking and storing the silt in the water flow in the river channel, and the mud stacking reservoir is arranged in the river channel, located on the downstream of the sand blocking reservoir and used for blocking and storing the silt in the water flow flowing through the sand blocking reservoir again. According to the utility model, the sand blocking reservoir and the mud stacking reservoir are respectively arranged in the same river channel drainage basin, so that sand blocking can be effectively carried out on the river channel under the limitation of a water diversion mode and topographic conditions, and therefore, silt in water flow of the river channel can be effectively blocked and stored, and the silt amount in the water flow is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of civil engineering, in particular to a hydraulic structure for realizing automatic stratified water release. Background Art

[0002] The head of the Yellow River water diversion project is generally a damless water diversion. Since the Yellow River water is highly turbid and contains water and sand, diverting water from the Yellow River will inevitably divert sand. The diverted water and sand are generally treated by building sedimentation ponds. In recent years, some projects combining sediment treatment with development and utilization have been developed. Using sediment to fill ditches and create land, or as raw materials to burn lime sand bricks and other building materials, has been applied in some projects.

[0003] Since some projects are not able to build sedimentation ponds due to restrictions on water diversion methods and terrain conditions, how to improve the efficiency of river sediment retention under the restrictions of water diversion methods and terrain conditions has become an urgent problem to be solved. Summary of the invention

[0004] In view of this, the utility model proposes a hydraulic structure for realizing automatic stratified water release, aiming to solve the problem of how to improve the efficiency of river sediment interception under the constraints of water diversion mode and terrain conditions.

[0005] In one aspect, the utility model provides a hydraulic structure for realizing automatic stratified water release, comprising:

[0006] A sediment trap is set up in the river channel and is used to trap sediment in the water flow in the river channel;

[0007] The mud storage is arranged in the river channel and located downstream of the sand-blocking reservoir, and is used to block and store the mud in the water flow passing through the sand-blocking reservoir again; wherein,

[0008] The sand trap comprises:

[0009] a first dam, arranged in the river channel;

[0010] a first spillway, arranged on the left bank or the right bank of the first dam;

[0011] a first drainage unit passing through the first dam, wherein an inlet end of the first drainage unit is located in a river channel upstream of the first dam, and an outlet end of the first drainage unit is located in a river channel downstream of the first dam;

[0012] The mud storage comprises:

[0013] a second dam, arranged in the river channel and located downstream of the first dam;

[0014] a second spillway, arranged on the left bank or the right bank of the second dam;

[0015] A second drainage unit passes through the second dam, wherein the inlet end of the second drainage unit is located in the river channel upstream of the second dam, and the outlet end of the second drainage unit is located in the river channel downstream of the second dam.

[0016] Furthermore, roads are arranged at the tops of the dam bodies of the first dam and the second dam, wave-breaking walls are arranged on the upstream sides of the roads close to the first dam and the second dam, a slope-adapted drainage body is arranged at the downstream dam surface of the first dam, and a drainage prism is arranged at the downstream dam surface of the second dam.

[0017] Furthermore, the road surface comprises an asphalt concrete surface layer and a cement stabilized gravel base layer, wherein the asphalt concrete surface layer is located on the upper side of the cement stabilized gravel base layer; wherein,

[0018] The thickness of the asphalt concrete surface layer is 5-10cm;

[0019] The thickness of the cement-stabilized gravel base layer is 20-30 cm.

[0020] Furthermore, the slope drainage body is composed of an inverse sand filter layer, a crushed stone layer and a dry stone layer. The inverse sand filter layer is in contact with the dam body, the crushed stone layer is located on the upper side of the inverse sand filter layer, and the dry stone layer is located on the upper side of the crushed stone layer.

[0021] Furthermore, the drainage prism is composed of an anti-filter sand layer, an anti-filter gravel layer and a drainage body rockfill. The anti-filter sand layer is arranged at the intersection of the downstream dam surface and the river channel surface, the anti-filter sand layer is laid in a V-shape and contacts the dam body, the anti-filter gravel layer is in a V-shape and contacts the anti-filter sand layer toward the downstream side, the drainage body rockfill contacts the anti-filter gravel layer toward the downstream side, and is stacked at the intersection of the downstream dam surface and the river channel surface.

[0022] Furthermore, the first spillway is composed of a diversion channel section, a control section, a gradual change section, a steep slope section, a stilling basin and a downstream protection section in order from the upstream direction to the downstream direction;

[0023] The second spillway is composed of a diversion channel section, a control section, a gradient section, a first chute section, a second chute section, a diversion section and a tank protection section in order from the upstream direction to the downstream direction.

[0024] Furthermore, the first drainage unit and the second drainage unit both include an inlet pineapple tower and a culvert, the inlet pineapple tower is arranged in the river channel on the upstream side of the dam body, the culvert is buried under the dam body and passes through the dam body, one end of the culvert is connected to the inlet pineapple tower, and the other end is exposed in the river channel on the downstream side of the dam body.

[0025] Furthermore, the imported pineapple tower comprises a cylinder, the cylinder is a hollow structure, the outer wall of the cylinder is an octagon, and the inner wall is a circle;

[0026] The outer wall of the cylinder is evenly and staggeredly provided with a plurality of layers of water seepage holes;

[0027] The lower part of the cylinder is communicated with the culvert.

[0028] Furthermore, four water seepage holes are arranged in a ring-like arrangement on each layer of the outer wall of the cylinder, and the cross-section of the water seepage holes is rectangular.

[0029] Furthermore, a cushion layer of concrete is provided at the lower part of the culvert, a lime soil cushion layer is provided at the lower part of the cushion layer of concrete, and a rammed earth layer is provided at the lower part of the lime soil cushion layer.

[0030] Compared with the prior art, the utility model has the beneficial effect that, by setting up a sand-blocking reservoir and a mud-dumping reservoir, the sand-blocking reservoir is set in the river channel to intercept and store the silt in the water flow in the river channel, and the mud-dumping reservoir is set in the river channel and located downstream of the sand-blocking reservoir to intercept and store the silt in the water flow passing through the sand-blocking reservoir again. The utility model can effectively intercept sand in the river channel under the restrictions of water diversion methods and terrain conditions by setting up a sand-blocking reservoir and a mud-dumping reservoir in the same river basin, thereby effectively intercepting the silt in the water flow of the river channel and greatly reducing the amount of silt in the water flow. At the same time, the sand-blocking reservoir and the mud-dumping reservoir can also be used in rotation, effectively reducing the pressure of sand-blocking and flood control of the sand-blocking reservoir and the mud-dumping reservoir. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] By reading the detailed description of the preferred embodiment below, various other advantages and benefits will become clear to those of ordinary skill in the art. The accompanying drawings are only used for the purpose of illustrating the preferred embodiment and are not considered to be limiting of the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0032] Figure 1 A schematic diagram of a hydraulic structure for realizing automatic stratified water discharge provided by an embodiment of the utility model;

[0033] Figure 2 A schematic diagram of the structure of a sand trap provided by an embodiment of the utility model;

[0034] Figure 3 A schematic diagram of the structure of a mud storage bin provided by an embodiment of the utility model;

[0035] Figure 4 A schematic diagram of the structure of an imported pineapple tower provided by an embodiment of the utility model;

[0036] Figure 5 for Figure 4Cross-sectional view along the AA direction. DETAILED DESCRIPTION

[0037] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0038] In the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0039] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0040] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0041] See also Figure 1-5 As shown, this embodiment provides a hydraulic structure for realizing automatic stratified water release, including

[0042] A sand trap 100 and a mud storage 200, wherein the sand trap 100 is arranged in a river channel and is used to trap and store mud in the water flow in the river channel;

[0043] The mud storage reservoir 200 is arranged in the river channel and is located downstream of the sand retaining reservoir 100 , and is used to retain the mud in the water flow passing through the sand retaining reservoir 100 again.

[0044] Specifically, the sand-trapping reservoir 100 includes: a first dam 110, which is arranged in the river channel; a first spillway 120, which is arranged on the left bank or the right bank of the first dam 110; a first drainage unit 130, which passes through the first dam 110, and the inlet end of the first drainage unit 130 is located in the river channel upstream of the first dam 110, and the outlet end of the first drainage unit 130 is located in the river channel downstream of the first dam 110.

[0045] Specifically, the mud storage 200 includes: a second dam 210, which is arranged in the river channel and located downstream of the first dam 110; a second spillway 220, which is arranged on the left bank or the right bank of the second dam 210; a second drainage unit 230, which passes through the second dam 210, the inlet end of the second drainage unit 230 is located in the river channel upstream of the second dam 210, and the outlet end of the second drainage unit 230 is located in the river channel downstream of the second dam 210.

[0046] Specifically, a road is arranged at the top of the dam body of the first dam 110 and the second dam 210, a wave-breaking wall is arranged on the upstream side of the road close to the first dam 110 and the second dam 210, a slope-adhering drainage body is arranged at the downstream dam surface of the first dam 110, and a drainage prism is arranged at the downstream dam surface of the second dam 210.

[0047] Specifically, the road surface comprises an asphalt concrete surface layer and a cement stabilized gravel base layer, wherein the asphalt concrete surface layer is located on the upper side of the cement stabilized gravel base layer;

[0048] The thickness of the asphalt concrete surface layer is 5-10cm;

[0049] The thickness of the cement-stabilized gravel base layer is 20-30 cm.

[0050] Specifically, the slope drainage body consists of an inverse sand filter layer, a crushed stone layer and a dry stone layer. The inverse sand filter layer is in contact with the dam body, the crushed stone layer is located on the upper side of the inverse sand filter layer, and the dry stone layer is located on the upper side of the crushed stone layer.

[0051] Specifically, the drainage prism is composed of an anti-filter sand layer, an anti-filter gravel layer and a drainage body rockfill. The anti-filter sand layer is arranged at the intersection of the downstream dam surface and the river channel surface. The anti-filter sand layer is laid in a V-shape and contacts the dam body. The anti-filter gravel layer is in a V-shape and contacts the anti-filter sand layer toward the downstream side. The drainage body rockfill contacts the anti-filter gravel layer toward the downstream side and is stacked at the intersection of the downstream dam surface and the river channel surface.

[0052] Specifically, the first spillway 120 is composed of a diversion channel section 121, a control section 122, a gradual section 123, a steep slope section 124, a stilling basin 125 and a downstream protection section 227126 in order from the upstream direction to the downstream direction;

[0053] The second spillway 220 is composed of a diversion channel section 121, a control section 122, a gradient section 123, a first chute section 224, a second chute section 225, a diversion section 226 and a tank protection section 227 in order from the upstream direction to the downstream direction.

[0054] Specifically, the first drainage unit 130 and the second drainage unit 230 both include an inlet pineapple tower 131 and a culvert 132. The inlet pineapple tower 131 is arranged in the river channel on the upstream side of the dam body, and the culvert 132 is buried under the dam body and passes through the dam body. One end of the culvert 132 is connected to the inlet pineapple tower 131, and the other end is exposed in the river channel on the downstream side of the dam body.

[0055] Specifically, the imported pineapple tower 131 includes a cylinder 1311, the cylinder 1311 is a hollow structure, the outer wall of the cylinder 1311 is an octagon, and the inner wall is a circle;

[0056] The outer wall of the cylinder 1311 is evenly and staggeredly provided with a plurality of layers of water seepage holes 1312;

[0057] The lower portion of the cylinder 1311 is communicated with the culvert 132 .

[0058] Specifically, four water seepage holes 1312 are arranged in a ring pattern on each layer of the outer wall of the cylinder 1311 , and the cross section of the water seepage holes 1312 is rectangular.

[0059] Specifically, a cushion layer of concrete is provided at the lower part of the culvert 132, a lime soil cushion layer is provided at the lower part of the cushion layer of concrete, and a rammed earth layer is provided at the lower part of the lime soil cushion layer.

[0060] It is understandable that in the above-mentioned embodiments, a sand-blocking reservoir and a mud-dumping reservoir are provided. The sand-blocking reservoir is provided in the river channel to intercept and store the silt in the water flow in the river channel, and the mud-dumping reservoir is provided in the river channel and is located downstream of the sand-blocking reservoir to intercept and store the silt in the water flow passing through the sand-blocking reservoir again. The utility model can effectively intercept sand in the river channel under the restrictions of the water diversion method and terrain conditions by respectively providing a sand-blocking reservoir and a mud-dumping reservoir in the same river channel basin, thereby effectively intercepting and storing the silt in the water flow of the river channel, greatly reducing the amount of silt in the water flow. At the same time, the sand-blocking reservoir and the mud-dumping reservoir can also be used in rotation, effectively reducing the pressure of sand-blocking and flood control of the sand-blocking reservoir and the mud-dumping reservoir.

[0061] Those skilled in the art can understand that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A hydraulic structure for realizing automatic stratified water release, characterized in that: include: A sediment trap is set up in the river channel and is used to trap sediment in the water flow in the river channel; The mud storage is arranged in the river channel and located downstream of the sand-blocking reservoir, and is used to block and store the mud in the water flow passing through the sand-blocking reservoir again; wherein, The sand trap comprises: a first dam, arranged in the said river channel; a first spillway, arranged on the left bank or the right bank of the first dam; a first drainage unit passing through the first dam, wherein an inlet end of the first drainage unit is located in a river channel upstream of the first dam, and an outlet end of the first drainage unit is located in a river channel downstream of the first dam; The mud storage comprises: a second dam, arranged in the river channel and located downstream of the first dam; a second spillway, arranged on the left bank or the right bank of the second dam; A second drainage unit passes through the second dam, wherein the inlet end of the second drainage unit is located in the river channel upstream of the second dam, and the outlet end of the second drainage unit is located in the river channel downstream of the second dam.

2. The hydraulic structure for realizing automatic stratified water discharge according to claim 1, characterized in that: A road is arranged at the top of the dam body of the first dam and the second dam, a wave-breaking wall is arranged on the upstream side of the road close to the first dam and the second dam, a slope-adhering drainage body is arranged at the downstream dam surface of the first dam, and a drainage prism is arranged at the downstream dam surface of the second dam.

3. The hydraulic structure for realizing automatic stratified water discharge according to claim 2 is characterized in that: The road surface comprises an asphalt concrete surface layer and a cement stabilized gravel base layer, wherein the asphalt concrete surface layer is located on the upper side of the cement stabilized gravel base layer; The thickness of the asphalt concrete surface layer is 5-10cm; The thickness of the cement-stabilized gravel base layer is 20-30 cm.

4. The hydraulic structure for realizing automatic stratified water release according to claim 2, characterized in that: The slope drainage body consists of an inverse sand filter layer, a crushed stone layer and a dry stone layer. The inverse sand filter layer is in contact with the dam body, the crushed stone layer is located on the upper side of the inverse sand filter layer, and the dry stone layer is located on the upper side of the crushed stone layer.

5. The hydraulic structure for realizing automatic stratified water discharge according to claim 2, characterized in that: The drainage prism is composed of an anti-filter sand layer, an anti-filter gravel layer and a drainage body rockfill. The anti-filter sand layer is arranged at the intersection of the downstream dam surface and the river channel surface. The anti-filter sand layer is laid in a V shape and contacts the dam body. The anti-filter gravel layer is in a V shape and contacts the anti-filter sand layer toward the downstream side. The drainage body rockfill contacts the anti-filter gravel layer toward the downstream side and is stacked at the intersection of the downstream dam surface and the river channel surface.

6. The hydraulic structure for realizing automatic stratified water release according to claim 1, characterized in that: The first spillway is composed of a diversion channel section, a control section, a gradual change section, a steep slope section, a stilling basin and a downstream protection section in order from the upstream direction to the downstream direction; The second spillway is composed of a diversion channel section, a control section, a gradient section, a first chute section, a second chute section, a diversion section and a tank protection section in order from the upstream direction to the downstream direction.

7. The hydraulic structure for realizing automatic stratified water discharge according to claim 2, characterized in that: The first drainage unit and the second drainage unit both include an inlet pineapple tower and a culvert. The inlet pineapple tower is arranged in the river channel on the upstream side of the dam body, and the culvert is buried under the dam body and passes through the dam body. One end of the culvert is connected to the inlet pineapple tower, and the other end is exposed in the river channel on the downstream side of the dam body.

8. The hydraulic structure for realizing automatic stratified water release according to claim 7, characterized in that: The imported pineapple tower comprises a cylinder, which is a hollow structure, the outer wall of which is an octagon and the inner wall of which is a circle; The outer wall of the cylinder is evenly and staggeredly provided with a plurality of layers of water seepage holes; The lower part of the cylinder is communicated with the culvert.

9. The hydraulic structure for realizing automatic stratified water discharge according to claim 8, characterized in that: Four water seepage holes are arranged in a ring pattern on each layer of the outer wall of the cylinder, and the cross-section of the water seepage holes is rectangular.

10. The hydraulic structure for realizing automatic stratified water release according to claim 7, characterized in that: A cushion layer of concrete is arranged at the lower part of the culvert, a lime soil cushion layer is arranged at the lower part of the cushion layer of concrete, and a rammed earth layer is arranged at the lower part of the lime soil cushion layer.

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