Decompression pool

Abstract

The utility model provides a decompression pool, which belongs to the technical field of water delivery pipelines and comprises a pool body, a partition wall, an energy dissipation box body, a water inlet pipeline and a water outlet pipeline, the partition wall is fixedly installed in the pool body, the interior of the pool body is divided into a buffer cavity and a storage cavity by the partition wall, and a through hole is formed in the partition wall; the energy dissipation box body is fixedly mounted in the pool body and is provided with a connecting hole and a flowing hole; the water inlet pipeline extends into the buffer cavity and is mounted in the connecting hole in a matched manner, a water outlet of the water inlet pipeline is positioned in the energy dissipation box body, the water outlet pipeline extends into a storage cavity in the pool body, and a water inlet of the water outlet pipeline is positioned in the storage cavity. According to the decompression pool provided by the utility model, kinetic energy generated by water flow movement can be eliminated and relieved by virtue of the energy dissipation box body and the buffer cavity, so that the impact force of the water flow entering the decompression pool is reduced, the noise is relatively low, and the process that the water flow flows out of the decompression pool is relatively stable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to water delivery pipeline technical field, more specifically, relate to a pressure reducing pool. BACKGROUND

[0002] In order to solve the uneven distribution of water resources, try to avoid the problem of limiting regional economic development due to water shortage, in recent years, more and more countries at home and abroad realize the water transfer and redistribution of water resources through interbasin water transfer project;With the gradual increase of long distance water transfer project, when the valve is closed, the water pump is stopped and the water hammer phenomenon occurs when the water hammer phenomenon occurs in the water transfer pipeline system, a series of complex transient flow phenomena will occur in the water transfer pipeline, and in serious cases, the pipe will be depressed and the pipe will be burst, which is called water hammer phenomenon. Commonly used pressure reducing pool or stilling basin and other ways to reduce, relieve water hammer phenomenon, at present, the impact of water flow into the pressure reducing pool is large, and the water flow noise is large;At the same time, the process of water flow out of the pressure reducing pool is also unstable. UTILITY MODEL CONTENTS

[0003] The utility model discloses a pressure reducing pool, to solve the technical problem that the impact of water flow into the pressure reducing pool is large, and the water flow noise is large in the prior art;At the same time, the process of water flow out of the pressure reducing pool is also unstable.

[0004] To achieve the above object, the utility model adopts the technical scheme of providing a pressure reducing pool, comprising:

[0005] Pool body, for installing below the ground;

[0006] Partition wall, fixedly installed in the pool body, and the partition wall is vertically arranged;The partition wall is used for separating the inside of the pool body into buffer cavity and storage cavity;The lower part of one side of the partition wall is provided with a through hole for connecting the buffer cavity and the storage cavity;

[0007] Energy dissipation box, fixedly installed in the pool body, and located in the buffer cavity;One side of the energy dissipation box is provided with a connecting hole, and the upper end is provided with a plurality of flow holes;

[0008] Water inlet pipeline, one end extending from the outside to the buffer cavity in the pool body;The water inlet pipeline is installed in the connecting hole in cooperation, and the water outlet of the water inlet pipeline is located in the energy dissipation box;

[0009] Water outlet pipeline, one end extending from the outside to the storage cavity in the pool body;The water inlet of the water outlet pipeline is located in the storage cavity, and located on the upper part of one side of the storage cavity.

[0010] In a possible implementation, the water outlet of the water inlet pipe is arranged on the pipe wall of the water inlet pipe, and the water outlet direction of the water outlet is perpendicular to the length direction of the water inlet pipe and is arranged downward; a vertical pipe is arranged on the water inlet pipe and is opposite to the water outlet; the lower side of the side wall of the energy dissipation box is provided with an emptying hole and an electromagnetic valve installed in the emptying hole.

[0011] In a possible implementation, the bottom surface of the energy dissipation box is provided with a raised thickened portion corresponding to the vertical pipe.

[0012] In a possible implementation, the inner wall of the energy dissipation box is provided with a bearing hole corresponding to the connecting hole, and one end of the water inlet pipe is overlapped in the bearing hole.

[0013] In a possible implementation, the box wall of the energy dissipation box is provided with a sound insulation layer.

[0014] In a possible implementation, the side of the energy dissipation box away from the connecting hole is abutted on the side of the partition wall.

[0015] In a possible implementation, the through holes are multiple groups and are arranged at intervals on the partition wall; the pressure reduction pool further comprises:

[0016] a baffle installed in the storage cavity and used for dividing the storage cavity into multiple main chambers; the multiple through holes correspond to and communicate with the multiple main chambers one by one;

[0017] the water outlet pipes are multiple and correspond to the multiple main chambers one by one.

[0018] In a possible implementation, the baffle is two, and the two baffles divide the storage cavity into two main chambers and one auxiliary chamber; the auxiliary chamber is located between the two baffles, the two main chambers are located on the two sides of the auxiliary chamber, and the through holes are two groups; the upper side of one side of the partition wall is provided with a water passing hole communicating with the auxiliary chamber; the pressure reduction pool further comprises a plurality of auxiliary pipes, one end of each auxiliary pipe extends from the outside to the storage cavity in the pool body; the water inlet of the water outlet pipe is located in the auxiliary chamber and is located on the upper side of one side of the auxiliary chamber.

[0019] In a possible implementation, the water passing hole is located above the water outlet pipe.

[0020] In a possible implementation, the pressure reduction pool further comprises a guardrail and a cover plate installed above the buffer cavity, one side of the cover plate is supported on the upper end of the partition wall; the guardrail is arranged around the storage cavity.

[0021] The beneficial effects of the pressure-reducing tank provided by this utility model are as follows: Compared with the prior art, in use, water flows into the energy-dissipating tank through the inlet pipe and then flows into the interior of the energy-dissipating tank from the outlet. The energy-dissipating tank eliminates and mitigates the kinetic energy generated by the water flow, and also blocks most of the noise. Simultaneously, it transforms the turbulent flow of water from the inlet pipe into a stable state, allowing it to slowly pass through the flow holes into the buffer chamber. The water then flows through the through holes from the buffer chamber into the storage chamber, and as the water rises, it flows from the higher part of the storage chamber into the outlet pipe for smooth discharge. In this way, the energy-dissipating tank and buffer chamber eliminate and mitigate the kinetic energy generated by the water flow, reducing the impact force of the water entering the pressure-reducing tank, lowering the noise, and making the water flow out of the pressure-reducing tank more stable. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 Schematic diagram of the internal structure of the pressure-reducing pool provided in the embodiment of this utility model Figure 1 ;

[0024] Figure 2 Schematic diagram of the internal structure of the pressure-reducing pool provided in the embodiment of this utility model Figure 2 ;

[0025] Figure 3 A schematic diagram showing the connection between the water inlet pipe and the energy dissipation box provided in an embodiment of this utility model;

[0026] Figure 4 Schematic diagram of the internal structure of a pressure-reducing tank with baffles and auxiliary pipes provided in this embodiment of the utility model. Figure 1 ;

[0027] Figure 5 for Figure 4 A sectional view along the middle AA;

[0028] Figure 6 for Figure 4 A sectional view along the middle edge BB;

[0029] Figure 7 Schematic diagram of the internal structure of a pressure-reducing tank with baffles and auxiliary pipes provided in this embodiment of the utility model. Figure 2 ;

[0030] Figure 8 The internal structure schematic view of the pressure reduction pool with the covering plate and the guardrail is provided.

[0031] In the drawings, various reference signs refer to:

[0032] 1, pool body; 11, covering plate; 12, guardrail; 2, partition wall; 21, buffer cavity; 22, storage cavity; 23, through hole; 24, water passage; 3, energy dissipation box; 31, connecting hole; 32, flow hole; 33, convex thickening part; 34, bearing hole; 35, sound insulation layer; 4, water inlet pipeline; 41, vertical pipe; 5, water outlet pipeline; 6, baffle; 61, main chamber; 62, auxiliary chamber; 7, auxiliary pipeline. DETAILED DESCRIPTION

[0033] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the following will be further described in detail in conjunction with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application, and are not used to limit the present application.

[0034] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0035] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0036] In addition, the terms "first", "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0037] Please refer to Figures 1 to 3The utility model provides a pressure reducing pool, and the pressure reducing pool comprises a pool body 1, a partition wall 2, an energy dissipation box 3, a water inlet pipeline 4 and a water outlet pipeline 5; the pool body 1 is used for being installed under the ground; the partition wall 2 is fixedly installed in the pool body 1, and the partition wall 2 is arranged vertically; the partition wall 2 is used for separating the inside of the pool body 1 into a buffer cavity 21 and a storage cavity 22; a through hole 23 for connecting the buffer cavity 21 and the storage cavity 22 is formed in the lower part of one side of the partition wall 2; the energy dissipation box 3 is fixedly installed in the pool body 1 and is located in the buffer cavity 21; one side of the energy dissipation box 3 is provided with a connecting hole 31, and the upper end is provided with a plurality of flow holes 32; one end of the water inlet pipeline 4 extends from the outside to the buffer cavity 21 in the pool body 1; the water inlet pipeline 4 is fittedly installed in the connecting hole 31, and the water outlet of the water inlet pipeline 4 is located in the energy dissipation box 3; one end of the water outlet pipeline 5 extends from the outside to the storage cavity 22 in the pool body 1; the water inlet of the water outlet pipeline 5 is located in the storage cavity 22 and is located on the upper part of one side of the storage cavity 22.

[0038] Compared with the prior art, the pressure reducing pool provided by the utility model is used, water flows into the energy dissipation box 3 through the water inlet pipeline 4, and then flows into the inside of the energy dissipation box 3 from the water outlet, the kinetic energy generated by the water flow is eliminated and released by the energy dissipation box 3, and most of the noise is also shielded; meanwhile, the turbulent flow state water flowing out of the water inlet pipeline 4 in the water inlet pipeline 4 becomes stable and slowly passes through the flow holes 32 into the buffer cavity 21, the water flow enters the storage cavity 22 from the buffer cavity 21 through the through hole 23, and the water flow is stably discharged into the water outlet pipeline 5 from the high place of the storage cavity 22. In this way, the kinetic energy generated by the water flow can be eliminated and released by the energy dissipation box 3 and the buffer cavity 21, so that the impact force of the water flow entering the pressure reducing pool is reduced, the noise is small, and the process of the water flow flowing out of the pressure reducing pool is also relatively stable.

[0039] Please refer to Figures 1 to 3 As a specific embodiment of the pressure reducing pool provided by the utility model, the water outlet of the water inlet pipeline 4 is formed on the pipe wall of the water inlet pipeline 4, the water outlet direction of the water outlet is perpendicular to the length direction of the water inlet pipeline 4, and the water outlet is arranged downward; the water inlet pipeline 4 is provided with a vertical pipe 41 opposite to the water outlet; the side wall of the energy dissipation box 3 is provided with an emptying hole and an electromagnetic valve installed in the emptying hole; the water outlet of the water inlet pipeline 4 is arranged on the lower side of the water inlet pipeline 4, and the vertical pipe 41 is vertically and upwardly connected and installed on the water inlet pipeline 4 and is fixedly connected with the water inlet pipeline 4. In this way, the water flow can smoothly pass through the water outlet and the vertical pipe 41 and enter the energy dissipation box 3. The emptying hole and the electromagnetic valve can effectively and conveniently perform the emptying operation on the inside of the energy dissipation box 3.

[0040] Please refer to Figures 1 to 3As a specific embodiment of the pressure reducing pool provided by the utility model, the bottom surface of the energy dissipation box 3 is provided with a raised thickening part 33 corresponding to the vertical pipe 41; the raised thickening part 33 can effectively resist the impact force brought by the water flow flowing downward from the vertical pipe 41, so as to achieve the purpose of protecting the energy dissipation box 3.

[0041] Please refer to Figure 1 and Figure 3 As a specific embodiment of the pressure reducing pool provided by the utility model, the inner wall of the energy dissipation box 3 is provided with a bearing hole 34 corresponding to the connecting hole 31, and one end of the water inlet pipeline 4 is overlapped in the bearing hole 34; the bearing hole 34 and the connecting hole 31 make the water inlet pipeline 4 extend into the energy dissipation box 3 and be supported on two support points at the same time, so as to ensure the stability of the water inlet pipeline 4.

[0042] Please refer to Figure 3 As a specific embodiment of the pressure reducing pool provided by the utility model, the box wall of the energy dissipation box 3 is provided with a sound insulation layer 35; the sound insulation layer can improve the sound insulation performance of the energy dissipation box 3, so as to avoid generating large noise to the outside in the use process.

[0043] Please refer to Figure 1 and Figure 2 As a specific embodiment of the pressure reducing pool provided by the utility model, the side of the energy dissipation box 3 away from the connecting hole 31 abuts against the side of the partition wall 2; that is, when the partition wall 2 and the energy dissipation box 3 are installed, the partition wall 2 and the energy dissipation box 3 abut against each other, so as to improve the installation stability and strength of the partition wall 2 and the energy dissipation box 3. The energy dissipation box 3 and the partition wall 2 can also be designed as an integral structure.

[0044] Please refer to Figures 4 to 7 As a specific embodiment of the pressure reducing pool provided by the utility model, the through holes 23 are multiple groups and are arranged at intervals on the partition wall 2; the pressure reducing pool further comprises a baffle 6 installed in the storage cavity 22 and used for dividing the storage cavity 22 into multiple main cavities 61; the multiple through holes 23 correspond to and communicate with the multiple main cavities 61 one by one; the water outlet pipelines 5 are multiple and correspond to the multiple main cavities 61 one by one; the baffle 6 divides the storage cavity 22 into multiple main cavities 61, and the partition wall 2 has the through holes 23 corresponding to the main cavities 61 one by one, and the water outlet pipelines 5 communicating with the main cavities 61 are installed in the storage cavity, so that the storage cavity 22 is divided into two main cavities 61 by the baffle 6, thereby forming two independent water conveying passages, so that the water conveying performance of the pressure reducing pool is stronger and more reliable.

[0045] Please refer to Figures 4 to 7As a specific embodiment of the pressure reducing pool provided by the utility model, the baffle 6 is two, the two baffles 6 divide the storage cavity 22 into two main chambers 61 and one auxiliary chamber 62; the auxiliary chamber 62 is located between the two baffles 6, the two main chambers 61 are located on the two sides of the auxiliary chamber 62, and the through holes 23 are two groups; one side of the upper part of the partition wall 2 is provided with a water passing hole 24 which is connected with the auxiliary chamber 62; the water inlet of the water outlet pipeline 5 is located in the auxiliary chamber 62 and on the upper part of one side of the auxiliary chamber 62; the auxiliary chamber 62 is formed between the two baffles 6, the water passing hole 24 is arranged on the partition wall 2 and is used for connecting the buffer cavity 21 and the auxiliary chamber 62, when the two main chambers 61 and the water outlet pipeline 5 cannot meet the water conveying demand, and the height of the water flow in the buffer cavity 21 is higher than that of the water passing hole 24, the water flow passes through the water passing hole 24 and enters the auxiliary chamber 62, and then can quickly pass through the auxiliary pipeline 7 on the lower side of the auxiliary chamber 62, in this way, the pressure reducing pool has flexible adjustment capacity, and in the case that the water conveying demand increases, the auxiliary chamber 62 and the auxiliary pipeline 7 can be fully utilized for water conveying.

[0046] Please refer to Figures 4 to 7 As a specific embodiment of the pressure reducing pool provided by the utility model, the water passing hole 24 is located above the water outlet pipeline 5; thus when the water passing hole 24 and the auxiliary pipeline 7 are not used, the water flow in the buffer cavity 21 enters the main chamber 61 and will not enter the auxiliary chamber 62.

[0047] Please refer to Figure 8 As a specific embodiment of the pressure reducing pool provided by the utility model, the pressure reducing pool further comprises a guardrail 12 and a cover plate 11 which is installed above the buffer cavity 21, one side of the cover plate 11 is supported on the upper end of the partition wall 2; the guardrail 12 is arranged around the storage cavity 22; the cover plate 11 is arranged above the buffer cavity 21, one side of the cover plate 11 is supported on the partition wall 2, and the other side is supported on the ground, so that the buffer cavity 21 is surrounded and shielded, the noise generated by the energy dissipation box 3 is further reduced, and the safety of the pressure reducing pool is improved. Meanwhile, the guardrail 12 which is arranged around the storage cavity 22 is installed on the ground, the storage cavity 22 is surrounded by the guardrail 12, and the safety of the whole pressure reducing pool is improved.

[0048] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A pressure reduction tank characterized by, It comprises: a pool body for installation under the ground; a partition wall fixedly installed in the pool body and vertically arranged, for separating the inside of the pool body into a buffer cavity and a storage cavity, and a through hole is formed in the lower part of one side of the partition wall for connecting the buffer cavity and the storage cavity; a damping box fixedly installed in the pool body and located in the buffer cavity, one side of the damping box is provided with a connecting hole, and the upper end of the damping box is provided with a plurality of flow holes; a water inlet pipe extending from the outside to the buffer cavity in the pool body, the water inlet pipe is fittedly installed in the connecting hole, and the water outlet of the water inlet pipe is located in the damping box; a water outlet pipe extending from the outside to the storage cavity in the pool body, the water inlet of the water outlet pipe is located in the storage cavity and located in the upper part of one side of the storage cavity.

2. The pressure letdown vessel of claim 1, wherein, The water outlet of the water inlet pipe is formed on the pipe wall of the water inlet pipe, the water outlet direction of the water outlet is perpendicular to the length direction of the water inlet pipe, and the water outlet is arranged downward, a vertical pipe is arranged on the water inlet pipe and opposite to the water outlet, the lower side of the side wall of the damping box is provided with an emptying hole and an electromagnetic valve installed in the emptying hole.

3. The pressure letdown vessel of claim 2, wherein, A raised thickened part corresponding to the vertical pipe is arranged on the bottom surface of the damping box.

4. The pressure letdown vessel of claim 2 wherein, A bearing hole corresponding to the connecting hole is arranged on the inner wall of the damping box, and one end of the water inlet pipe is overlapped in the bearing hole.

5. The pressure letdown vessel of claim 1 wherein, A sound insulation layer is arranged in the box wall of the damping box.

6. The pressure letdown vessel of claim 1 wherein, The side of the damping box away from the connecting hole abuts against the side of the partition wall.

7. The pressure letdown vessel of claim 1 wherein, The through hole is in multiple groups and is arranged on the partition wall in intervals, and the pressure reduction pool further comprises: a baffle installed in the storage cavity for separating the storage cavity into a plurality of main cavities, a plurality of through holes and a plurality of main cavities are one-to-one corresponding and connected; the water outlet pipe is in multiple and one-to-one corresponding with the plurality of main cavities.

8. The pressure letdown vessel of claim 7 wherein, The baffle is two, and the two baffles separate the storage cavity into two main cavities and one auxiliary cavity; the auxiliary cavity is located between the two baffles, the two main cavities are located on both sides of the auxiliary cavity, and the through hole is in two groups; the upper part of one side of the partition wall is provided with a water passing hole connected with the auxiliary cavity; the pressure reduction pool further comprises a plurality of auxiliary pipes, one end of the auxiliary pipe extends from the outside to the storage cavity in the pool body; the water inlet of the water outlet pipe is located in the auxiliary cavity and located in the upper part of one side of the auxiliary cavity.

9. The pressure letdown vessel of claim 8 wherein, The water passing hole is located above the water outlet pipe.

10. The pressure letdown vessel of claim 1 wherein, The pressure reduction pool further comprises a guardrail and a covering plate installed above the buffer cavity, one side of the covering plate is supported on the upper end of the partition wall, and the guardrail is arranged around the storage cavity.

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