CN215053790U

CN215053790U - Sand-sinking inspection well

Info

Publication number: CN215053790U
Application number: CN202120444279.8U
Authority: CN
Inventors: 杨进; 段光晖
Original assignee: Beijing Cci Architectural Design Co ltd
Current assignee: Beijing Cci Architectural Design Co ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-12-07
Anticipated expiration: 2031-03-01

Abstract

The utility model relates to a desilting type inspection well, which comprises a base and a well body; the base comprises a first concrete layer and a plain soil layer; the first concrete layer is laid above the plain soil layer; the well body is located above the first concrete layer; the well body is hollow, the bottom of the interior is a mud settling cavity, the upper opening is a liquid inlet, one side wall is provided with a liquid inflow hole, and the opposite side wall is provided with a liquid outflow hole; the liquid inflow hole is arranged at a first preset distance from the bottom of the well body, and the liquid outflow hole is arranged at a second preset distance from the bottom of the well body. The base greatly improves the resistance to pulling of the well body, and then the stability of the inspection well structure is enhanced. The rammed plain soil layer and the first concrete layer not only improve the anti-seepage effect of the inspection well, but also greatly improve the anti-pulling property of the well body, thereby enhancing the stability of the structure of the inspection well.

Description

Sand-sinking inspection well

Technical Field

The utility model relates to an inspection shaft technical field especially relates to a desilting formula inspection shaft.

Background

Contain a large amount of particulate matters in the rainwater, these particulate matters deposit when the bottom in outdoor rainwater pond, can occupy the usable space in the rainwater pond, not only cause the regulation volume in the rainwater pond to diminish, also can bring silt back amasss scheduling problem, influence the unobstructed nature of drainage. In addition, organic substances are usually adhered to the surfaces of the particles, and the organic substances are accumulated at the bottom of the rainwater tank for a long time and react to generate harmful gases such as ammonia gas and hydrogen sulfide, so that the surrounding environment is affected. Therefore, before the rainwater gets into the rainwater pond, need use the inspection shaft to carry out initial stage to the rainwater to get rid of the large granule debris in the rainwater to the maximum possibility, and then guarantee the smoothness of rainwater in later stage discharge process and the cleanliness factor of the rainwater that is about to get into in the rainwater pond.

However, the conventional sand-settling manhole has poor structural stability when rainwater is initially treated.

SUMMERY OF THE UTILITY MODEL

When carrying out initial stage processing to the rainwater for solving traditional desilting formula inspection shaft, the relatively poor problem of structural stability, the utility model provides a desilting formula inspection shaft.

The desilting type inspection well provided for realizing the purpose of the utility model comprises a base and a well body;

the base comprises a first concrete layer and a plain soil layer;

the first concrete layer is laid above the plain soil layer;

the well body is located above the first concrete layer;

the well body is hollow, the bottom of the interior is a mud settling cavity, the upper opening is a liquid inlet, one side wall is provided with a liquid inflow hole, and the opposite side wall is provided with a liquid outflow hole; the liquid inflow hole is arranged at a first preset distance from the bottom of the well body, and the liquid outflow hole is arranged at a second preset distance from the bottom of the well body.

In one embodiment, the first predetermined distance is equal to the second predetermined distance, and the liquid inlet hole and the liquid outlet hole are oppositely disposed.

In one specific embodiment, a second concrete layer is laid above the well body;

and the middle part of the second concrete layer is provided with a through hole matched with the liquid inlet.

In one embodiment, the first concrete layer and the second concrete layer are cast-in-place concrete layers.

In one embodiment, the first concrete layer has a strength rating of C15; the strength rating of the second concrete layer was C20.

In one specific embodiment, the rain grate is further included;

the rain grate is matched with the through hole and fixed in the through hole.

In one specific embodiment, the device further comprises a water conveying pipe and a water drainage pipe;

one end of the water pipe is fixed in the liquid inflow hole, and the other end of the water pipe extends towards the direction far away from the well body;

one end of the drain pipe is fixed in the liquid outflow hole, and the other end extends towards the direction far away from the well body.

In one specific embodiment, the inner wall of the well body and the upper part of the first concrete layer are covered with a first cement mortar layer;

the bottom of the outer wall of the well body is covered with a second cement mortar layer.

In one embodiment, the first and second cement mortar layers each have a cement to sand ratio of 1:3 to 1: 2.

In one specific embodiment, the first concrete layer, the plain soil layer, the second concrete layer and the well body are all square structures;

the size of the well body is 1030mm multiplied by 1200 mm;

the size of the first concrete layer is 1130mm multiplied by 150 mm;

the dimensions of the second concrete layer are 1030mm x 100 mm;

the thickness of the plain soil layer is 90-110 mm;

the thickness of the first cement mortar layer and the second cement mortar layer is 15-25 mm;

the first preset distance and the second preset distance are 400-600 mm.

The utility model has the advantages that: the utility model discloses a desilting formula inspection shaft is through setting up the base, and the base has improved the resistance to plucking nature of the well body greatly, and then has strengthened the stability of inspection shaft structure. The rammed plain soil layer and the first concrete layer not only improve the anti-seepage effect of the inspection well, but also greatly improve the anti-pulling property of the well body, thereby enhancing the stability of the structure of the inspection well. Rainwater above the ground surface can flow into the well body through the liquid inlet, rainwater below the ground surface can flow into the well body through the liquid inlet hole, and the rainwater can flow out of the liquid outlet hole after initial treatment in the well body. Before the rainwater flows out from the well body, large particles mixed in the rainwater can be precipitated in the mud settling cavity. Thus, the smoothness of rainwater in the later-stage drainage process is guaranteed.

Drawings

Fig. 1 is a cross-sectional view of a sand-sinking manhole according to an embodiment of the present invention, taken along a vertical direction;

fig. 2 is a sectional view of the sand sediment type manhole shown in fig. 1 in a horizontal direction.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the terms "top", "bottom", "inner", "outer", "axis", "circumferential" and the like refer to the orientation or positional relationship shown in the drawings, which are only for convenience of description of the present invention or simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "engaged," "hinged," and the like are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 and 2, as an embodiment of the present invention, the desilting manhole includes a base 120 and a well body 110. Wherein the base 120 includes a first concrete layer 121 and a plain soil layer 122, the first concrete layer 121 is laid on the plain soil layer 122, and the well 110 is seated on the first concrete layer 121. The well body 110 is a hollow structure, the bottom of the interior is a mud settling cavity 113, the upper opening is a liquid inlet, a liquid inlet hole 111 is formed in one side wall, and a liquid outlet hole 112 is formed in the opposite side wall. The liquid inflow hole 111 is disposed at a first predetermined distance from the bottom of the well body 110, and the liquid outflow hole 112 is disposed at a second predetermined distance from the bottom of the well body 110.

In this embodiment, rainwater above the surface of the earth can flow into the well 110 through the liquid inlet, rainwater below the surface of the earth can flow into the well 110 through the liquid inlet 111, and the rainwater flows out of the liquid outlet 112 after initial treatment (i.e., natural sedimentation) in the well 110. Large particles mixed in the rainwater may be settled in the mud settling chamber 113 before the rainwater flows out from the well body 110. Thus, the smoothness of rainwater in the later-stage drainage process is guaranteed. Also, the liquid inflow hole 111 is disposed at a first predetermined distance from the bottom of the well body 110, and the liquid outflow hole 112 is disposed at a second predetermined distance from the bottom of the well body 110. Wherein, the well body 110 is located above the base 120, and the base 120 greatly improves the resistance to pulling of the well body 110, thereby enhancing the stability of the inspection well structure. Specifically, the well body 110 is located above the first concrete layer 121, and the rammed plain soil layer 122 and the first concrete layer 121 not only improve the anti-seepage effect of the inspection well, but also greatly improve the pulling resistance of the well body 110, thereby enhancing the stability of the structure of the inspection well.

In an embodiment of the present invention, the first predetermined distance is equal to the second predetermined distance, and the liquid inlet 111 and the liquid outlet 112 are disposed opposite to each other. Specifically, the first preset distance and the second preset distance are both 40-60mm, the larger preset distance enables more large particles to be contained in the mud settling cavity 113, and the smaller preset distance facilitates later-stage cleaning of the well body 110.

The utility model discloses a concrete embodiment, second concrete layer 150 has been laid to the top of the well body 110, and second concrete layer 150 can protect the top surface of the well body 110 effectively, has strengthened structural strength, structural stability and the durability that the well body 110 entered liquid mouth department, and then has strengthened the structural strength and the stability of inspection shaft. A through hole matched with the liquid inlet is formed in the middle of the second concrete layer 150, so that rainwater on the ground surface can flow through the through hole and the liquid inlet to enter the well body 110.

The utility model discloses an in a specific embodiment, first concrete layer 121 and second concrete layer 150 are cast-in-place concrete layer, relative precast concrete layer, well body 110 and base 120 need not to reuse the connecting piece when fixed connection for well body 110 and base 120 can form the inspection shaft that the wholeness is better, and then has ensured holistic structural strength and stability of inspection shaft. Meanwhile, the shape can be changed according to the actual construction space. Also, the strength grade of the first concrete layer 121 is C15, and the strength grade of the second concrete layer 150 is C20. The concrete layer with the lower strength grade can effectively reduce the manufacturing cost, and the concrete layer with the higher strength grade ensures the structural strength, the structural stability and the durability.

In an embodiment of the present invention, the rain strainer 160 is further included, and the rain strainer 160 is adapted to the through hole and fixed in the through hole. When water on the ground surface flows through the through holes, the rain grate 160 can filter out sundries with large volume mixed in the rainwater, so that the sundries are effectively prevented from entering the well body 110, and the possibility of blockage of the well body 110 is further reduced.

In a specific embodiment of the present invention, the utility model further comprises a water pipe 130 and a water drainage pipe 140. One end of the water pipe 130 is fixed in the liquid inflow hole 111, and the other end extends in a direction away from the well body 110, so that rainwater under the ground surface can flow into the well body 110 in a directional manner. The drainage pipe 140 has one end fixed in the liquid outlet 112 and the other end extending away from the well 110 for guiding rainwater in the well 110. First cement mortar is filled between an outer wall of one end of the water pipe 130 fixed in the liquid inflow hole 111 and an inner wall of the liquid inflow hole 111 to prevent rainwater in the well body 110 from leaking from a connection position of the water pipe 130 and the liquid inflow hole 111. First cement mortar is also filled between an outer wall of one end of the drain pipe 140 fixed in the liquid outflow hole 112 and an inner wall of the liquid outflow hole 112 to prevent rainwater in the well body 110 from leaking from a connection position of the drain pipe 140 and the liquid outflow hole 112. A first cement mortar layer 170 is coated on both the inner wall of the well body 110 and the first concrete layer 121. Specifically, the ratio of cement to mortar of the first cement mortar layer 170 is 1: 2. 1: 2.5 or 1:3, when the proportion of the cement of the first cement mortar to the mortar is 1:2, it has stronger strength and anti-seepage effect. When the accumulated water under the ground surface is more, the bottom of the outer wall of the well body 110 is covered with a second cement mortar layer, and the second cement mortar layer is 250mm higher than the water level under the ground surface, so that the bottom of the well body 110 can be effectively prevented from being corroded by water, and the stability of the inspection well structure is further enhanced. The ratio of cement to sand of the second cement mortar layer is also 1: 2. 1: 2.5 or 1: 3. the first cement mortar layer 170 and the second cement mortar layer are used as waterproof layers, so that the anti-seepage effect of the inspection well is effectively enhanced.

In an embodiment of the present invention, the first concrete layer 121, the plain soil layer 122, the second concrete layer 150, and the well 110 are all square structures. The well body 110 is 1030mm multiplied by 1200mm, the first concrete layer 121 is 1130mm multiplied by 150mm, the second concrete layer 150 is 1030mm multiplied by 100mm, the plain soil layer 122 is 90-110mm thick, the first cement mortar layer 170 and the second cement mortar layer are both 15-25mm thick, and the rain grate 160 is 600mm multiplied by 600 mm. Therefore, the available space in the well body 110 is large, the flowing speed of rainwater in the well body 110 is effectively reduced, the treatment effect of initial rainwater treatment is further improved, more impurities in the rainwater can be precipitated in the mud settling cavity 113, the overall structural stability is guaranteed, and the anti-seepage effect is good.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," "one specific embodiment," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can equally replace or change the technical solution and the inventive concept of the present invention within the scope of the present invention.

Claims

1. A desilting manhole, comprising:

a base and a well;

the base comprises a first concrete layer and a plain soil layer;

the first concrete layer is laid above the plain soil layer;

the well body is located above the first concrete layer;

the well body is hollow, a mud settling cavity is arranged at the bottom of the interior of the well body, the upper opening is a liquid inlet, a liquid inflow hole is formed in one side wall, and a liquid outflow hole is formed in the opposite side wall; the liquid inflow hole is arranged at a first preset distance from the bottom of the well body, and the liquid outflow hole is arranged at a second preset distance from the bottom of the well body.

2. The desilting manhole of claim 1, wherein the first predetermined distance is equal to the second predetermined distance, and the liquid inflow hole and the liquid outflow hole are disposed opposite to each other.

3. The desilting manhole of claim 2, wherein a second concrete layer is laid above the well body;

4. The desilting manhole of claim 3, wherein the first concrete layer and the second concrete layer are both cast-in-place concrete layers.

5. The desilting manhole of claim 3, wherein the first concrete layer has a strength rating of C15; the strength grade of the second concrete layer is C20.

6. The desilting manhole of claim 3, further comprising a rain grate;

the rain grate is matched with the through hole and fixed in the through hole.

7. The desilting manhole of claim 1, further comprising a water pipe and a drain pipe;

one end of the water conveying pipe is fixed in the liquid inflow hole, and the other end of the water conveying pipe extends towards the direction far away from the well body;

one end of the drain pipe is fixed in the liquid outflow hole, and the other end of the drain pipe extends towards the direction far away from the well body.

8. The desilting manhole of any one of claims 3 to 6, wherein the inner wall of the well body and the upper side of the first concrete layer are covered with a first cement mortar layer;

and a second cement mortar layer covers the bottom of the outer wall of the well body.

9. The desilting manhole of claim 8, wherein the first and second cement mortar layers each have a cement to sand ratio of 1:3 to 1: 2.

10. The desilting manhole of claim 9, wherein the first concrete layer, the plain soil layer, the second concrete layer, and the well body are all square structures;

the size of the well body is 1030mm multiplied by 1200 mm;

the size of the first concrete layer is 1130mm multiplied by 150 mm;

the size of the second concrete layer is 1030mm multiplied by 100 mm;

the thickness of the plain soil layer is 90-110 mm;

the thickness of the first cement mortar layer and the thickness of the second cement mortar layer are both 15-25 mm;

the first preset distance and the second preset distance are 400-600 mm.