CN212248623U

CN212248623U - Plain area water delivery engineering assembled drainage valve well structure

Info

Publication number: CN212248623U
Application number: CN202020643701.8U
Authority: CN
Inventors: 王建勇; 徐立洲; 毛长贵; 郭西方; 王明; 曹阳; 李晓超; 刘德宇; 叶凯敏; 谷欣玉
Original assignee: China Water Resources Beifang Investigation Design and Research Co Ltd
Current assignee: China Water Resources Beifang Investigation Design and Research Co Ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-12-29
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a fabricated drainage valve well structure of water delivery engineering in plain areas, which comprises a well chamber and a drainage valve, wherein the well chamber is divided into a dry well chamber and a wet well chamber, the dry well chamber and the wet well chamber are both of underground integral prefabricated concrete structures and are embedded below the ground, the dry well chamber and the wet well chamber are adjacently arranged and are positioned on the upper part of a plain concrete cushion foundation, the prefabricated well body side plates of the dry well chamber and the wet well chamber are provided with side round holes, a drainage three-way outlet branch pipe of a water delivery pipeline passes through the side round holes and enters the wet well chamber through the dry well chamber, the drainage valve is arranged on the drainage three-way outlet branch pipe in the dry well chamber, the prefabricated well body top plates of the dry well chamber and the wet well chamber are provided with top round holes, the top round holes are respectively provided with top connecting steel pipes to lead the dry well chamber and the wet well chamber to be above the ground, the upper part of the top connecting steel pipes is, the dry well chamber is convenient to pass in and out during maintenance. The assembled drainage valve well is of an underground structure and occupies little space permanently; the structure is small and exquisite, construction convenience, and with low costs.

Description

Plain area water delivery engineering assembled drainage valve well structure

Technical Field

The utility model relates to a water delivery engineering drainage valve well, especially a plain area water delivery engineering assembled drainage valve well structure.

Background

The water delivery engineering in plain areas needs to be provided with drain valves along water supply lines, accumulated water in the emptying pipes and accumulated mud in the emptying pipes are discharged when the pipelines are overhauled or accidents occur, and the drain valves are arranged at the low concave positions of the water delivery pipelines so as to conveniently overhaul or treat the sediments in the emptying pipes and the discharging pipes during the accidents. A dry well and a wet well are usually required to be arranged, the dry well is provided with equipment such as a drain valve, and the wet well stores waste water; often need to be placed across a river, trench, or other depression. Because the water pipeline is positioned below the ground, when the drainage valve of the pipeline is opened, accumulated water in the pipeline can not be drained automatically, and a water pump is needed to pump out the water.

The traditional construction mode of the drainage valve well is that the drainage valve well is excavated to a foundation surface according to the terrain, and the foundation surface is required to be processed, steel bars are bound, templates are installed, concrete is poured, maintenance and the like. The excavation section is large, the construction period is long, and the disturbance to the foundation is large.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems in the prior art, the utility model provides a plain area water delivery engineering assembled drainage valve well structure, simple structure, construction convenience, practicality are strong, application scope is wide.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a plain area water delivery engineering assembled drainage valve well structure, including well room and drain valve, the well room divide into dry well room and wet well room, dry well room and wet well room are the integral precast concrete structure in underground, the embedding is in subaerial, dry well room and wet well room adjacent setting are located plain concrete bed course basis upper portion, the lateral part round hole is seted up to the prefabricated well body curb plate of dry well room and wet well room, the drainage tee bend export branch pipe of conduit passes the lateral part round hole and gets into wet well room through dry well room, the drain valve sets up on the drainage tee bend export branch pipe in dry well room, the top round hole is seted up to the prefabricated well body roof of dry well room and wet well room, be provided with the top respectively on the round hole of top and connect the steel pipe and make dry well room and wet well room lead to above-ground, top connection steel pipe upper portion sets up removable cover, the inside steel cat ladder that sets up of steel pipe is connected at the top of dry well room, pass.

The outer wall of the outlet branch pipe of the drainage tee is connected with the side circular holes of the prefabricated well body side walls of the dry well chamber and the wet well chamber through waterproof sleeves, so that underground water is prevented from entering the well chamber.

The outer wall of the joint of the top connecting steel pipe and the top round hole is provided with a seepage-stopping ring, so that underground water is prevented from entering a well chamber.

The utility model has the advantages that: the assembled drainage valve well is of an underground structure and occupies little space permanently; the structure is small and exquisite, has avoided the adverse effect of the slope safety and stability and the basic disturbance that conventional cast-in-place valve well large cross section excavation produced, and construction convenience, construction speed is fast, possesses bigger flexibility in the arrangement of construction organization, and with low costs.

Drawings

Fig. 1 is a longitudinal section of the assembled drainage valve well structure of the water delivery engineering in plain areas.

Fig. 2 is a plan layout view of the assembled drainage valve well structure of the water delivery engineering in plain areas.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1 and 2, the fabricated drainage valve well structure for water delivery engineering in plain areas of the utility model comprises a well chamber and a drainage valve 3, wherein the well chamber is divided into a dry well chamber 1 and a wet well chamber 2, the dry well chamber 1 and the wet well chamber 2 are both of underground integral prefabricated concrete structures and are embedded below the ground, the dry well chamber 1 and the wet well chamber 2 are adjacently arranged and are positioned on the upper part of the base of a plain concrete cushion layer 4, the prefabricated well body side plates of the dry well chamber 1 and the wet well chamber 2 are provided with lateral circular holes 6, a drainage three-way outlet branch pipe 5 of a water delivery pipeline passes through the lateral circular holes 6 and enters the wet well chamber 2 through the dry well chamber 1, the drainage valve 3 is arranged on the drainage three-way outlet branch pipe 5 in the dry well chamber 1, the prefabricated well body top plate of the dry well chamber 1 and the wet well chamber 2 is provided with a top circular hole 7, the top connecting steel pipe 8 is respectively arranged on the top circular hole 7 to lead the dry well chamber 1 and the wet well, the inside steel cat ladder 10 that sets up of steel of 8 of steel pipes is connected at the top of dry well room 2, and business turn over dry well room 2 when conveniently overhauing.

The outer wall of the drainage three-way outlet branch pipe 5 is connected with the side round holes 6 of the prefabricated well body side walls of the dry well chamber 1 and the wet well chamber 2 through a waterproof sleeve 12, so that underground water is prevented from entering the well chamber.

And the outer wall of the joint of the top connecting steel pipe 8 and the top round hole 7 is provided with an seepage stopping ring 9, so that underground water is prevented from entering a well chamber.

When a water conveying pipeline is overhauled or an accident occurs, accumulated water in an emergency emptying pipe and accumulated mud in the pipeline are discharged, the accumulated water in the pipeline is discharged to a wet well chamber through a dry well chamber through a drainage three-way outlet branch pipe by opening a drainage valve 3 in a dry well chamber 1, a submersible pump is placed at the bottom of the wet well chamber through a connecting steel pipe at the top of the wet well chamber, and the accumulated water in the wet well chamber is discharged to a nearby river channel or low-lying position through the submersible pump.

The utility model discloses an underground structure, permanent occupation of land is few, and the structure is small and exquisite, has avoided the adverse effect of the slope safety and stability and the basic disturbance that the big section excavation of conventional cast-in-place structure produced, and construction convenience, construction speed is fast, and it is lower to possess bigger flexibility and cost in the arrangement of construction organization.

The above-mentioned embodiments are only used for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, the scope of the present invention should not be limited by the embodiment, that is, all equivalent changes or modifications made by the spirit of the present invention should still fall within the scope of the present invention.

Claims

1. A fabricated drainage valve well structure for water delivery engineering in plain areas comprises a well chamber and a drainage valve (3), wherein the well chamber is divided into a dry well chamber (1) and a wet well chamber (2), and is characterized in that the dry well chamber (1) and the wet well chamber (2) are both of an underground integral prefabricated concrete structure and are buried below the ground, the dry well chamber (1) and the wet well chamber (2) are adjacently arranged and are positioned on the upper part of the base of a plain concrete cushion (4), side round holes (6) are formed in prefabricated well body side plates of the dry well chamber (1) and the wet well chamber (2), a drainage tee outlet branch pipe (5) of a water delivery pipeline penetrates through the side round holes (6) and enters the wet well chamber (2) through the dry well chamber (1), the drainage valve (3) is arranged on the drainage tee outlet branch pipe (5) in the dry well chamber (1), a top round hole (7) is formed in a prefabricated well body top plate of the dry well chamber (1) and the wet well chamber (2), be provided with top connection steel pipe (8) respectively on top round hole (7) and make drywell room (1) and wetwell room (2) lead to more than ground, top connection steel pipe (8) upper portion sets up removable cover (11), and the inside steel cat ladder (10) that sets up of steel pipe (8) is connected at the top of drywell room (1), business turn over drywell room (1) when convenient the maintenance.

2. The fabricated drain valve well structure for water delivery engineering in plain areas according to claim 1, characterized in that the outer wall of the drain tee outlet branch pipe (5) is connected with the side circular holes (6) of the prefabricated well body side walls of the dry well chamber (1) and the wet well chamber (2) through waterproof sleeves (12) to prevent underground water from entering the well chambers.

3. The fabricated drain valve well structure for water delivery engineering in plain areas according to claim 1, wherein a seepage stopping ring (9) is arranged on the outer wall of the joint of the top connecting steel pipe (8) and the top round hole (7) to prevent underground water from entering a well chamber.