Stepped energy dissipation and drainage facility

Abstract

The utility model discloses a stepped energy dissipation drainage facility which comprises a first-level ground, a second-level ground is arranged on one side of the first-level ground, a buffering assembly is arranged in the first-level ground and comprises a first water falling well, an energy dissipation cavity used for sand setting and energy dissipation is formed in the first water falling well, and a second water falling well is arranged in the second water falling well. A second water falling well used for draining water is arranged in the second-level ground, and a water outlet used for flowing water is formed in one side of the first water falling well. According to the design of the first water falling well, the second water falling well, the energy dissipation cavity and the water outlet, the first water falling well and the second water falling well are arranged at different elevations to be connected in series, and when rainwater passes through the water inlet and the energy dissipation cavity to be subjected to sand setting and energy dissipation, the water flow speed is gentle when the rainwater flows out of the water outlet; and meanwhile, part of particle impurities are removed, so that rainwater entering the second water falling well cannot cause the flushing risk to the second water falling well.

Description

TECHNICAL FIELD

[0001] The utility model relates to site drainage technical field, especially a kind of ladder type energy dissipation drainage facilities. BACKGROUND

[0002] With the influence of construction project site elevation change, construction project site drainage elevation difference is big, when rainwater is excluded, potential energy of rainwater gradually increases, and then water flow velocity increases, causing rainwater to impact rainwater inspection well and scour drainage pipeline phenomenon, when site elevation difference is big, directly drainage can cause rainwater system to face scouring risk. SUMMARY

[0003] The utility model discloses a ladder type energy dissipation drainage facility to solve the problems in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a ladder type energy dissipation drainage facility, including primary ground, the one side of primary ground is provided with the secondary ground for and the primary ground forms the difference in height, the inside of primary ground is provided with the buffer assembly for buffering rainwater, the buffer assembly includes first drop well, the inside of first drop well is opened with the energy dissipation cavity for sand sinking energy dissipation, the inside of secondary ground is provided with the second drop well for drainage, the one side of first drop well is provided with the water outlet for drainage.

[0005] Preferably, the first drop well is fixedly connected with the retaining wall for retaining water on one side, the top end of the first drop well is provided with the water inlet for inflow rainwater, and the bottom end of the water inlet is in through connection with the top end of the energy dissipation cavity.

[0006] Preferably, the energy dissipation cavity inner wall is fixedly connected with the guide block on the side close to the water outlet, and the side of the guide block towards the energy dissipation cavity is provided with an arc shape.

[0007] Preferably, the top end of the guide block is flush with the bottom end of the water outlet inner wall.

[0008] Preferably, the primary ground and the secondary ground are arranged in a ladder shape, and the top end of the second drop well is provided with a water receiving groove for receiving rainwater flowing out of the water outlet.

[0009] The utility model has the following technical effects and advantages:

[0010] The utility model discloses a design of first well, second well, energy dissipation cavity and water outlet, by setting first well and second well in different elevation in series, when rainwater passes through inlet, carries out sand sinking and energy dissipation through energy dissipation cavity, thereby when rainwater flows out water outlet, water flow rate gets gentle, removes part of granular impurities simultaneously, makes the rainwater of entering second well not cause scouring risk to second well. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the front view section structure schematic diagram of the utility model.

[0012] Figure 2 It is the utility model Figure 1 A enlarged structure schematic diagram.

[0013] In the drawing: 1, primary ground; 2, retaining wall; 3, first well; 4, inlet; 5, energy dissipation cavity; 6, water outlet; 7, guide block; 8, secondary ground; 9, second well; 10, water receiving groove. DETAILED DESCRIPTION

[0014] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and 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 making creative efforts belong to the range of protection of the utility model.

[0015] The utility model provides a kind of ladder type energy dissipation drainage facilities as Figures 1-2 As shown in formula, a kind of ladder type energy dissipation drainage facilities, including primary ground 1, the side of primary ground 1 is provided with the secondary ground 8 for and the primary ground 1 form height difference, the inside of primary ground 1 is provided with the buffer assembly for buffering rainwater, and the buffer assembly includes first well 3, the inside of first well 3 is provided with the energy dissipation cavity 5 for sand sinking energy dissipation, the inside of secondary ground 8 is provided with the second well 9 for drainage, the side of first well 3 is provided with the water outlet 6 for drainage.

[0016] Specifically, the side of first well 3 is fixedly connected with the retaining wall 2 for retaining water, the top of first well 3 is provided with the inlet 4 for inflow rainwater, the bottom of inlet 4 is connected with the top of energy dissipation cavity 5, the side of energy dissipation cavity 5 inner wall close to water outlet 6 is fixedly connected with guide block 7, the side of guide block 7 towards energy dissipation cavity 5 is provided as arc, and the top of guide block 7 is flush with the bottom of water outlet 6 inner wall.

[0017] Further, the retaining wall 2 is higher than the first ground 1, and plays a role of water blocking, so that the rainwater flows to the inside of the water inlet 4, the water inlet 4 has the same size as the plane size of the energy dissipation cavity 5, the height of the first ground 1 can be 1200mm, the width of the water inlet 4 can be 380mm, the height of the energy dissipation cavity 5 can be 300mm, the horizontal plane of the bottom end of the energy dissipation cavity 5 is flush with the horizontal plane of the top end of the second downspout 9, the rainwater falls into the energy dissipation cavity 5 through the water inlet 4, and then flows out through the water outlet 6, and finally flows to the water collecting groove 10, the energy dissipation cavity 5 plays a role of P-shaped falling water equipment, and has the same working principle as the P-shaped water trap, so that the rainwater flowing into the water inlet 4 will be sand-set after flowing into the energy dissipation cavity 5, and the removal of large-particle impurities is realized, and the flow rate of the rainwater is slowed down, so that the rainwater flowing out of the water outlet 6 is slowed down and relatively clean, the setting of the guide block 7 can cause the rainwater and the falling impurities to impact the deposited impurities when the rainwater and the falling impurities flow into the water inlet 4, so that the impurities fly, the arc shape of the guide block 7 can change the flow direction of the water flowing from the energy dissipation cavity 5 to the guide block 7, and impact the impurities, so that the part of the impurities flowing out of the energy dissipation cavity 5 is prevented, so that the set of facilities plays the following roles: ①reducing water flow impact: in the rainwater pipeline system, when a large amount of rainwater flows into the downstream inspection well or pipeline from a higher position, water flow impact may occur, which may cause the risk of pipeline rupture or inspection well damage, the setting of the stepped energy dissipation drainage facility can reduce the direct impact of rainwater on downstream facilities, reduce the strength of water flow impact, and help to protect the safety of the inspection well and the pipeline; ②smooth drainage: the stepped energy dissipation drainage facility can realize smooth drainage of rainwater through certain design and control, and through control of the size of the water inlet 4 of the stepped energy dissipation drainage facility, setting of appropriate water outlet 6 and the like, the rainwater can be buffered and adjusted before entering the downstream pipeline, so that the flow rate is kept relatively stable, and the impact and damage of instantaneous large amount of rainwater on the downstream pipeline system are avoided; ③maintaining a certain flow rate: the design and setting of the stepped energy dissipation drainage facility can help to maintain a certain flow rate of rainwater, the position, shape and structure of the stepped energy dissipation drainage facility are reasonably set, the flow resistance of rainwater is reduced, a certain flow rate is maintained, the smoothness of the pipeline system is maintained, the risk of accumulation and blockage is reduced, and the efficiency of rainwater drainage is improved; ④removing solid particles in rainwater and improving water quality: the stepped energy dissipation drainage facility can effectively remove the solid particles such as silt and impurities in rainwater through gravity and sedimentation, reduce the pressure on the downstream pipeline and facilities, reduce the risk of damage and blockage, reduce the operation cost and maintenance difficulty, and effectively improve the water quality of rainwater through the removal of solid particles, reduce the load on the subsequent treatment facilities, and improve the utilization efficiency of water resources.

[0018] Specifically, the first ground 1 and the second ground 8 are arranged in a stepped shape, and the top end of the second downspout 9 is provided with a water receiving groove 10 for receiving the rainwater flowing out of the water outlet 6.

[0019] Further, the first ground 1 is higher than the second ground 8, and the water receiving groove 10 is used for receiving the rainwater flowing out of the water outlet 6 after energy dissipation.

[0020] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A stepped energy dissipater comprising a ground level (1), characterized in that, The side of the primary ground (1) is provided with a secondary ground (8) for forming a height difference with the primary ground (1), the inside of the primary ground (1) is provided with a buffer assembly for buffering rainwater, the buffer assembly comprises a first drop well (3), the inside of the first drop well (3) is provided with an energy dissipation cavity (5) for sand setting and energy dissipation, the inside of the secondary ground (8) is provided with a second drop well (9) for drainage, and one side of the first drop well (3) is provided with a water outlet (6) for drainage.

2. A stepped energy dissipater according to claim 1, characterised in that The side of the first drop well (3) is fixedly connected with a retaining wall (2) for retaining water, the top end of the first drop well (3) is provided with a water inlet (4) for inflowing rainwater, and the bottom end of the water inlet (4) is in through connection with the top end of the energy dissipation cavity (5).

3. A stepped energy dissipater according to claim 2, wherein The side of the energy dissipation cavity (5) close to the water outlet (6) is fixedly connected with a guide block (7), and the side of the guide block (7) facing the energy dissipation cavity (5) is provided with an arc shape.

4. A stepped energy dissipater according to claim 3, wherein The top end of the guide block (7) is flush with the bottom end of the inner wall of the water outlet (6).

5. A stepped energy dissipater according to claim 1, wherein The primary ground (1) and the secondary ground (8) are arranged in a stepped shape, and the top end of the second drop well (9) is provided with a water receiving groove (10) for receiving rainwater flowing out of the water outlet (6).

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