CN210216653U

CN210216653U - High-fall drainage drop well structure

Info

Publication number: CN210216653U
Application number: CN201920904528.XU
Authority: CN
Inventors: Youling Wang; 王幼玲
Original assignee: Chongqing Benchmarking Fangzhong Architectural Design Co Ltd
Current assignee: Chongqing Chuangzhu Jizhun Architectural Design Co.,Ltd.
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-03-31
Anticipated expiration: 2029-06-17

Abstract

The utility model relates to a high drop drainage drop well structure, including the deep well main part, set up partition wall, its characterized in that in the deep well main part: the partition wall divides the deep well into an observation chamber and a drainage chamber, and observation manholes are arranged on the partition wall, and the number of the observation manholes is a plurality; an overhauling crawling ladder is arranged in the observation chamber, a manhole is arranged on the top surface of the observation chamber, and a filling layer is arranged on the bottom surface of the observation chamber; the upper part of the drainage cavity is provided with a water inlet pipe, and the lower part of the drainage cavity is provided with a drainage pipe; a plurality of water dropping baffles are arranged in the drainage cavity; the bottom surface of the drainage cavity is provided with a buffer groove. The utility model relates to a novelty, the structure is ingenious, increases in the deep well and sets up the drop baffle, reduces the rivers impact force that high drop in-process leads to because of highly too high to the reduction of the impact of inspection shaft well body itself and pipeline bottom, ensured the security of pipe network operation, highly promoted the drop greatly.

Description

High-fall drainage drop well structure

Technical Field

The utility model belongs to the technical field of the building drainage prevention, more specifically relates to a high drop drainage drop well structure.

Background

The conventional drainage drop inspection well is divided into a vertical pipe or vertical groove type drop inspection well, a corresponding and selectable inspection well scheme or product is provided, and 3 types of drop wells, namely a vertical pipe type drop well, a vertical groove type drop well and a step type drop well, are recorded in a drainage inspection well atlas (02(03) S515). The vertical pipe type drop well is suitable for cast iron pipes with drop pipe diameters of not more than 200mm, and sewage pipes with drop differences of 1-6 m; the vertical groove type drop well is suitable for a rainwater and sewage pipe with a drop pipe diameter of 200-600 mm and a drop difference of 1-4 m; the stepped drop well is suitable for rain and sewage pipes with drop pipe diameters of 700-1650 mm and drop differences of 1-2 m. The maximum drop difference of the three types of drop wells is only 6m, and the cast iron sewage pipe with the drop difference of 6m is not more than 200mm, so that the requirement of the latest development of a drainage pipe network is difficult to meet. Aiming at the condition of a larger water inlet pipe diameter, the above-mentioned figure mainly adopts a step-by-step falling mode, occupies a larger space, and has different falling differences of 1-2 m according to the pipe diameter of 700-1650 mm, the length of the size in the inspection well needs 2.5-4 m, and the width needs 1.8-2.75 m.

At present, the national standard diagram does not meet the requirement that a drainage pipe network needs to carry out high fall water fall in practical engineering under the condition that the water fall height is not over 6m in a centralized manner. The company specially designs the invention according to the experimental exploration.

SUMMERY OF THE UTILITY MODEL

In order to solve the prior art problem, the utility model provides a high drop drainage drop well structure can improve more than not enough.

The utility model relates to a high drop drainage drop well structure, which comprises a deep well main body, wherein a partition wall is arranged in the deep well main body, the deep well is divided into an observation chamber and a drainage chamber by the partition wall, and the partition wall is provided with a plurality of observation manholes; an overhauling crawling ladder is arranged in the observation chamber, a manhole is arranged on the top surface of the observation chamber, and a filling layer is arranged on the bottom surface of the observation chamber; the upper part of the drainage cavity is provided with a water inlet pipe, and the lower part of the drainage cavity is provided with a drainage pipe; a plurality of water dropping baffles are arranged in the drainage cavity; the bottom surface of the drainage cavity is provided with a buffer groove.

The topmost observation manhole is higher than the drain pipe, and the rest observation manholes are positioned below the water drop baffle.

Further, the buffer groove comprises a hydraulic energy dissipation layer and a pebble energy dissipation layer, wherein the hydraulic energy dissipation layer is provided with a concave surface.

Furthermore, the water dropping baffles are arranged in a staggered mode from top to bottom.

Furthermore, drop baffle border position sets up the metal railing, and metal railing welded fastening is on the drop baffle, and it forms simple and easy cage body structure with the drop baffle, has the effect that can play and block rectangular shape or netted impurity.

Furthermore, the filling layer is formed by pouring concrete.

Furthermore, a filter screen is arranged at the port of the water inlet pipe, and the filter screen is made of acid-resistant and alkali-resistant materials and is half of the inner diameter of the water inlet pipe in height.

The utility model relates to a novelty, the structure is ingenious, increases in the deep well and sets up the drop baffle, reduces the rivers impact force that high drop in-process leads to because of highly too high to the reduction of the impact of inspection shaft well body itself and pipeline bottom, ensured the security of pipe network operation, highly promoted the drop greatly. Meanwhile, the water outlet pipe is provided with a filter screen, so that the water outlet pipe can play a role in filtering, and the metal railing on the water drop baffle plate also has a certain function of blocking impurities.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic sectional view taken along line I-I in FIG. 1.

FIG. 3 is a schematic sectional view taken along line II-II in FIG. 1.

FIG. 4 is a schematic cross-sectional view of III-III of FIG. 1.

The figure is as follows: the deep well comprises a deep well body 1, an observation chamber 2, a drainage chamber 3, a water inlet pipe 4, a filter screen 41, a drainage pipe 5, an observation manhole 6, a water drop baffle 7, an overhaul ladder stand 8, a manhole 9, a partition wall 10, a filling layer 11 and a buffer tank 12.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-3, a high drop height drainage drop well structure comprises a deep well main body 1, wherein a partition wall 10 is arranged in the deep well main body, the deep well is divided into an observation chamber 2 and a drainage chamber 3 by the partition wall, and a plurality of observation manholes 6 are arranged on the partition wall; the inspection ladder stand 8 is arranged in the observation chamber 2, the manhole 9 is arranged on the top surface of the observation chamber 2, the anti-falling net is arranged below the manhole, the filling layer 11 is arranged on the bottom surface of the observation chamber 2, the filling layer is formed by pouring concrete, the water inlet pipe 4 is arranged at the upper part of the drainage chamber 3, and the drainage pipe 5 is arranged at the lower part of the drainage chamber; a plurality of water dropping baffles 7 are arranged in the drainage chamber 3, the distance between every two adjacent water dropping baffles is 1500mm, and the distance between the water dropping baffle at the lowermost end of the water dropping baffle and the bottom surface is less than or equal to 1500 mm; the bottom surface of the drainage chamber 3 is provided with a buffer groove 12.

The topmost observation manhole 6 is higher than the drain pipe 5, and the rest observation manholes are positioned below the water drop baffle and have the size of 600mm x 400 mm.

The buffer tank 12 comprises a hydraulic energy dissipation layer and a pebble energy dissipation layer, wherein the hydraulic energy dissipation layer is provided with a concave surface, and the hydraulic energy dissipation layer is provided with a structure with adsorption capacity, such as a fiber cotton felt.

Drop baffle 7 is from last to down crisscross setting, and the interval distance between adjacent is 1.5 meters, looks from the plane of looking down, and crisscross drop baffle can block the cross-section of drainage cavity from top to bottom.

Drop baffle 7 border position sets up the metal railing, and metal railing welded fastening forms simple and easy cage body structure on the drop baffle, has the effect that can play and block rectangular shape or netted impurity with the drop baffle.

In order to increase the color of the filter structure, a filter screen 41 is arranged at the port of the water inlet pipe 4, and the filter screen 41 is made of acid-resistant and alkali-resistant materials and has a height which is half of the inner diameter of the water inlet pipe.

After the inspection well is divided into the drainage chamber and the observation chamber, the inspection well separates the inspection and observation of personnel from the drainage water flow, so that the personnel can conveniently enter the inspection well to install, overhaul and maintain the water flow and the baffle condition; the water flow dissipates energy step by step through the baffle plate, so that the impact force of the water flow on the bottom of the inspection well is reduced to the drop height which can reach 1500mm, and the requirement of the conventional drop well height is met. Simultaneously because the drop baffle of innovative design, so the drop height of deep well can exceed 6 meters, can produce a large amount of bubbles under the effect of rivers impact force, wherein the manhole on the partition wall can be as the exhaust passage.

Claims

1. The utility model provides a high drop drainage drop well structure, includes the deep well main part, set up partition wall, its characterized in that in the deep well main part: the partition wall divides the deep well into an observation chamber and a drainage chamber, and observation manholes are arranged on the partition wall, and the number of the observation manholes is a plurality; an overhauling crawling ladder is arranged in the observation chamber, a manhole is arranged on the top surface of the observation chamber, and a filling layer is arranged on the bottom surface of the observation chamber; the upper part of the drainage cavity is provided with a water inlet pipe, and the lower part of the drainage cavity is provided with a drainage pipe; a plurality of water dropping baffles are arranged in the drainage cavity; the bottom surface of the drainage cavity is provided with a buffer groove.

2. The high head drainage drop well structure of claim 1, wherein: the topmost observation manhole is higher than the drain pipe, and the rest observation manholes are positioned below the water drop baffle.

3. The high head drainage drop well structure of claim 1, wherein: the buffer tank comprises a hydraulic energy dissipation layer and a pebble energy dissipation layer, wherein the hydraulic energy dissipation layer is provided with a concave surface.

4. The high head drainage drop well structure of claim 1, wherein: the water dropping baffles are arranged in a staggered manner from top to bottom.

5. The high head drainage drop well structure of claim 1, wherein: and a metal railing is arranged at the edge of the water drop baffle.

6. The high head drainage drop well structure of claim 1, wherein: the filling layer is formed by pouring concrete.

7. The high head drainage drop well structure of claim 1, wherein: and a filter screen is arranged at the port of the water inlet pipe.