CN218492558U

CN218492558U - Energy dissipation well

Info

Publication number: CN218492558U
Application number: CN202222327910.3U
Authority: CN
Inventors: 张敏姿; 刘福光; 梁景晖; 赖振贵; 陈文杰
Original assignee: Architectural Design and Research Institute of Guangdong Province
Current assignee: Architectural Design and Research Institute of Guangdong Province
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-02-17
Anticipated expiration: 2032-08-31

Abstract

The utility model provides an energy dissipation well, which comprises a well chamber, wherein the well chamber is provided with a water inlet pipe and a water outlet pipe, the well chamber is sequentially provided with a first flat slope section, an uphill section, a downhill section and a second flat slope section along the water inlet direction, and the joint of the uphill section and the downhill section and the joint of the downhill section and the second flat slope section are both of a curve structure; the slope structure is arranged in the upward slope section and the downward slope section, the thickness of the slope structure in the upward slope section along the water flow direction is gradually increased, the thickness of the slope structure in the downward slope section along the water flow direction is gradually reduced, and the slope structure of the upward slope section and the slope structure in the downward slope section form a structure with a smooth upper surface. The utility model discloses the well room constitutes the water flow line that appears of returning by three check horizontal cavities, utilizes first flat slope section, uphill section, downhill path section, the flat slope section of second to form the streamline form of height fluctuation. The circular energy dissipation well achieves the effect of reducing kinetic energy of an outlet of a drainage pipe by prolonging a water flow line in a well chamber and the gradient of high and low fluctuation on the line.

Description

Energy dissipation well

Technical Field

The utility model relates to an energy dissipation well belongs to the water supply and drainage engineering field.

Background

High-rise building roofing drainage, pressure drainage because of its delivery port velocity of flow is big, when it directly drains into outdoor inspection shaft, can cause the scouring to the inspection shaft wall, can make the access well appear the water bleeding even the well lid is washed away in the serious time, constitutes safety hazard to personnel. The energy dissipation well is a structure for reducing the kinetic energy of the water outlet of the drainage pipe and is often applied to engineering practice.

At present, energy dissipation is carried out in a drop mode in engineering practice, the energy dissipation mechanism of the energy dissipation device is mainly that water flow drops into an energy dissipation well from a vertical well to roll up and down and collide with each other to dissipate energy, the energy dissipation well is deep, the height difference between a water inlet and a water outlet is large, and when the height difference between the water inlet and the water outlet is small, the energy dissipation effect is not obvious. In engineering practice, often receive municipal drainage condition restriction of plugging into that can't guarantee the discrepancy in height of drop energy dissipation well's business turn over pipe, make the energy dissipation effect can not obtain the guarantee, for guaranteeing drainage outlet energy dissipation effect, it is necessary to develop a new energy absorber.

SUMMERY OF THE UTILITY MODEL

The utility model provides an energy dissipation well to reduce the requirement to vertical degree of depth.

The utility model provides an energy dissipation well, which comprises a well chamber, wherein the well chamber is provided with a water inlet pipe and a water outlet pipe, the well chamber is sequentially provided with a first flat slope section, an uphill section, a downhill section and a second flat slope section along the water inlet direction, and the joint of the uphill section and the downhill section and the joint of the downhill section and the second flat slope section are both of a curve structure; the slope structure is arranged in the upward slope section and the downward slope section, the thickness of the slope structure in the upward slope section along the water flow direction is gradually increased, the thickness of the slope structure in the downward slope section along the water flow direction is gradually reduced, and the slope structure of the upward slope section and the slope structure in the downward slope section form a structure with a smooth upper surface.

Further, the relative angle between the uphill section and the downhill section is 90-180 degrees, and the relative angle between the downhill section and the second flat slope section is 90-180 degrees.

Furthermore, the first flat slope section, the upward slope section, the downward slope section and the second flat slope section form an S-shaped structure, the relative angle between the upward slope section and the downward slope section is 180 degrees, the relative angle between the downward slope section and the second flat slope section is 180 degrees, and a small hole water outlet which is directly connected with the second flat slope section is formed in the position, close to the water inlet pipe, of the first flat slope section.

Furthermore, the thickness of the slope structure of the uphill section is gradually increased on the side of the uphill section away from the downhill section, and the thickness of the slope structure of the downhill section is gradually reduced on the side of the downhill section away from the uphill section.

Furthermore, the water outlet pipes are provided with a plurality of water outlet pipes, the water outlet direction of at least one water outlet pipe in each water outlet pipe is perpendicular to the water flow direction in the second flat slope section, and the water outlet direction of at least one water outlet pipe is the same as the water flow direction in the second flat slope section.

Furthermore, a vent pipe is arranged at the water outlet pipe of the well chamber.

Furthermore, the well chamber is provided with an inspection manhole at the position, close to the water outlet pipe, of the second flat slope section, and a detachable manhole cover plate is arranged at the position of the inspection manhole.

Compared with the prior art, the utility model, the well room comprises three horizontal cavities of check circle shape water flow line, utilizes first flat slope section, uphill section, downhill path section, the flat slope section of second to form the streamline form of height fluctuation. The square-shaped energy dissipation well achieves the effect of reducing kinetic energy of an outlet of a drainage pipe by mainly prolonging a water flow line in a well chamber and arranging a gradient with fluctuating height on the line.

Drawings

Fig. 1 is a perspective structural diagram of an embodiment of the present invention in a top view direction;

FIG. 2 is a schematic view of a horizontal cross-sectional structure according to an embodiment of the present invention;

FIG. 3 isbase:Sub>A schematic view of the cross-sectional structure in the direction A-A of the embodiment of the present invention;

FIG. 4 is a schematic view of a cross-sectional structure in the direction B-B of the embodiment of the present invention;

fig. 5 is a schematic view of the cross-sectional structure in the C-C direction according to the embodiment of the present invention.

1. A well chamber; 11. an uphill segment; 12. a downhill section; 13. a second flat slope section; 14. a ramp structure; 141. a ramp line; 142. the highest elevation line of the ramp; 143. a ramp finish line; 15. a first flat slope section; 2. a water inlet pipe; 3. a water outlet pipe; 4. a small hole water outlet; 5. an inspection manhole; 6. a pedal; 7. a breather tube.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The embodiment of the utility model discloses an energy dissipation well, as shown in fig. 1-5, including well room 1, be equipped with inlet tube 2, outlet pipe 3 on the well room 1, well room 1 is equipped with first flat slope section 15, uphill section 11, downhill path section 12, second flat slope section 13 along the direction of intaking in proper order, uphill section 11 and downhill path section 12 department of connection, downhill path section 12 and second flat slope section 13 department of connection are the bend structure; the slope structure 14 is arranged in each of the uphill section 11 and the downhill section 12, the thickness of the slope structure 14 in the uphill section 11 along the water flow direction is gradually increased, the thickness of the slope structure 14 in the downhill section 12 along the water flow direction is gradually decreased, and the slope structure 14 of the uphill section 11 and the slope structure 14 in the downhill section 12 form a structure with a smooth upper surface.

Wherein the well 1 is in particular of concrete construction. Rainwater flows into the first flat slope section 15 from the water inlet pipe 2, rushes up the upward slope section of the slope structure 14, turns along the arc-shaped flow channel, enters the downward slope section 12 and reaches the highest point. After reaching the highest point, the water flow turns along the downward slope section of the slope structure 14, enters the second flat slope section 13 along the arc-shaped flow channel, flows along a section of straight channel, and reaches the drain pipe to be discharged after being stabilized.

The embodiment of the utility model provides a time shape energy dissipation well through the inside shape circuit that returns that sets up the height and undulate and buckle, makes inlet tube 2, outlet pipe 3 need not to have the difference in height, can adopt the purpose that the shallow mode of burying realized the energy dissipation, compares traditional shaft structure, can reduce the requirement to vertical degree of depth.

Optionally, as shown in fig. 1 to 5, the relative angle between the ascending section 11 and the descending section 12 is 90 to 180 degrees, and the relative angle between the descending section 12 and the second flat section 13 is 90 to 180 degrees.

Specifically, as shown in fig. 1 to 5, the upward slope section 11, the downward slope section 12, and the second flat slope section 13 form an S-shaped structure, a relative angle between the upward slope section 11 and the downward slope section 12 is 180 degrees, a relative angle between the downward slope section 12 and the second flat slope section 13 is 180 degrees, and a small hole water outlet 4 directly connected with the second flat slope section 13 is arranged at a position, close to the water inlet pipe 2, of the first flat slope section 15.

Wherein, the uphill section 11, the downhill section 12 and the second flat slope section 13 are divided into three well chamber 1 structures by concrete clapboards. The water flow enters the first flat slope section 15 of the zigzag energy dissipation well, rushes to the upper slope section, turns 180 degrees along the flow channel, enters the lower slope section 12, falls back to the second flat slope section 13 along the lower slope section after reaching the highest point, flows along a section of straight channel, reaches the drain pipe after the water flow velocity is stable, and is discharged.

The small-hole water discharge port 4 is positioned at the first flat slope section 15, water flow entering the energy dissipation well through the water inlet pipe 2 through the small-hole water discharge port 4 is rushed up to a slope when the flow rate is high, and the water flow is discharged after the whole process flow of the three-grid well chamber 1 structure of the first flat slope section 15, the ascending slope section 11, the descending slope section 12 and the second flat slope section 13; when the water discharge is small and the flow rate is slow, the water can flow away through the small-hole water discharge port 4 and does not pass through the ramp section any more, so that the water is prevented from being deposited because the water cannot rush to the ramp of the ascending section 11 when the water discharge is small.

The embodiment of the utility model provides a through setting up aperture outlet 4, can get rid of ponding and the low discharge of flow of slope bottom department, when drainage export flow, velocity of flow are less, go out the less unable shape circuit that returns through the height fluctuation of water kinetic energy, rivers can directly get into the second flat slope section 13 by the drainage aperture of returning shape barricade lateral wall and discharge. And simultaneously, the embodiment of the utility model provides a be 180 degrees through setting up relative angle between uphill section 11 and downhill path section 12, downhill path section 12 and the second flat slope section 13, make rivers pass through twice great angle's circulation to reduce the kinetic energy of rivers, reach the energy dissipation effect.

In particular, as shown in fig. 1 to 5, the slope structure 14 of the uphill segment 11 has a gradually increasing thickness on a side of the uphill segment 11 away from the downhill segment 12, and the slope structure 14 of the downhill segment 12 has a gradually decreasing thickness on a side of the downhill segment 12 away from the uphill segment 11.

Wherein, the initial part of the ascending section 11 is a plane structure, and one end of the slope structure 14 extends from the rising line 141 to the highest elevation line 142 of the slope to form the slope structure 14; the descending slope section 12 is initially formed in a slope structure 14, and is formed in a planar structure from a slope highest elevation line 142 to a slope final line 143.

The embodiment of the utility model provides a slope structure 14 is that bend structure department is the arc structure that outer loop height, inner ring are low.

Optionally, as shown in fig. 1 to 5, the number of the water outlet pipes 3 is multiple, the water outlet direction of at least one water outlet pipe 3 in each water outlet pipe 3 is perpendicular to the water flow direction in the second flat slope section 13, and the water outlet direction of at least one water outlet pipe 3 is the same as the water flow direction in the second flat slope section 13.

Wherein, the water outlet pipe 3 is arranged at the bottom of the second flat slope section 13 and can discharge water.

In particular, the well chamber 1 is also provided with a vent pipe 7 at the water outlet pipe 3.

Wherein, the breather pipe 7 is arranged at the top of the second flat slope section 13 and can be matched with the water outlet pipe 3 for ventilation.

The embodiment of the utility model provides a through adopting breather pipe 7, the air pressure boost that well chamber 1 caused when can eliminating high-speed rivers and get into stabilizes 1 pressure in the well chamber, gets rid of the interior harmful gas of energy dissipation well simultaneously.

Optionally, the well chamber 1 is further provided with an inspection manhole 5 at a position close to the water outlet pipe 3 in the second flat slope section 13, and the inspection manhole 5 is provided with a detachable manhole cover plate.

Wherein, second flat slope section 13 still is equipped with footboard 6 in inspection manhole 5 department, makes things convenient for the staff to get into the energy dissipation well and inspects and maintains. The manhole cover plate and the pedal 6 can be made of nodular cast iron.

The embodiment of the utility model provides a position that 13 terminal rivers of second flat slope sections are stable sets up maintenance manhole 5 and breather pipe 7. The manhole is arranged at the tail end of the well chamber 1, and the well cover is prevented from being flushed by the large initial kinetic energy water flow when drainage enters at a high speed. The vent pipe 7 can eliminate air pressurization caused by the well chamber 1 when high-speed water flow enters, stabilize the pressure of the well chamber 1 and simultaneously eliminate harmful gas in the energy dissipation well.

It should be finally noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, it should be understood by those skilled in the art that after reading the present specification, the technical personnel can still modify or equivalently replace the specific embodiments of the present invention, but these modifications or changes do not depart from the scope of the claims of the present application.

Claims

1. The energy dissipation well is characterized by comprising a well chamber, wherein a water inlet pipe and a water outlet pipe are arranged on the well chamber, a first flat slope section, an uphill section, a downhill section and a second flat slope section are sequentially arranged in the well chamber along the water inlet direction, and the joint of the uphill section and the downhill section and the joint of the downhill section and the second flat slope section are both of a curve structure; the slope structure is arranged in the upward slope section and the downward slope section, the thickness of the slope structure in the upward slope section along the water flow direction is gradually increased, the thickness of the slope structure in the downward slope section along the water flow direction is gradually reduced, and the slope structure of the upward slope section and the slope structure in the downward slope section form a structure with a smooth upper surface.

2. An energy dissipating well according to claim 1 wherein the relative angle between the uphill section and the downhill section is 90-180 degrees and the relative angle between the downhill section and the second downhill section is 90-180 degrees.

3. The energy dissipating well of claim 2, wherein the first flat slope section, the upward slope section, the downward slope section and the second flat slope section form an S-shaped structure, the relative angle between the upward slope section and the downward slope section is 180 degrees, the relative angle between the downward slope section and the second flat slope section is 180 degrees, and the first flat slope section is provided with a small hole water outlet which is directly connected with the second flat slope section near the water inlet pipe.

4. An energy dissipating well according to claim 3 wherein the slope structure of the uphill segment increases in thickness on a side of the uphill segment remote from the downhill segment, and the slope structure of the downhill segment decreases in thickness on a side of the downhill segment remote from the uphill segment.

5. An energy dissipating well according to claim 1 wherein there are a plurality of said outlet pipes, at least one of said outlet pipes having a water outlet direction perpendicular to the water flow direction in the second sloping section, the at least one outlet pipe having a water outlet direction in the same direction as the water flow direction in the second sloping section.

6. An energy dissipating well according to claim 5 wherein the well chamber is further provided with a vent pipe at the outlet pipe.

7. An energy dissipating well according to claim 1 wherein the well chamber is further provided with a manhole at the second flat slope section near the outlet pipe, the manhole being provided with a detachable manhole cover plate.