CN216379635U - Basement anti drainage system that floats - Google Patents
Basement anti drainage system that floats Download PDFInfo
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- CN216379635U CN216379635U CN202122825866.4U CN202122825866U CN216379635U CN 216379635 U CN216379635 U CN 216379635U CN 202122825866 U CN202122825866 U CN 202122825866U CN 216379635 U CN216379635 U CN 216379635U
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Abstract
The utility model discloses an anti-floating drainage system for a basement, which comprises a basement bottom plate and an anti-floating drainage well, wherein a concave pit is dug in the basement bottom plate, the anti-floating drainage well is arranged in the pit and is of a structure with an opening at the upper end, a through hole is formed in the bottom of the anti-floating drainage well, a drainage pipe is arranged in the anti-floating drainage well, the lower end of the drainage pipe is communicated with the through hole, a transverse pipe is connected to the upper end of the drainage pipe after extending out of the anti-floating drainage well, a pressure relief valve is arranged on the transverse pipe, the end part of the transverse pipe is connected with a vertical pipe, a first submersible pump is arranged at the bottom in the anti-floating drainage well, a water outlet of the first submersible pump is connected with a first drainage pipe, a check valve and a butterfly valve are arranged on the first drainage pipe, a drainage main pipe is arranged above the anti-floating drainage well, the upper end of the first drainage pipe is communicated with the drainage main pipe, and a water level sensor is arranged in the anti-floating drainage well. The utility model has the advantages of convenient use, low construction cost, good applicability and obvious economic and social values.
Description
Technical Field
The utility model relates to the technical field of basement anti-floating, in particular to a basement anti-floating drainage system.
Background
Along with the development of social economy in China, high-rise buildings in cities appear like bamboo shoots in spring after raining, the number of buildings such as basements and matched underground garages is increased greatly, however, the basements generally form a closed box body structure, due to the existence of underground water, the basements can be subjected to upward water buoyancy under the action of water pressure, and for areas with deeper buried depth of the basements or abundant underground water, the anti-floating design is particularly important and is an important component part of structural design, and if the anti-floating of the structure can not meet the requirements, the problems of floating of the underground structure, cracking of a bottom plate and the like can be caused, so that the underground structures are damaged in different degrees.
At present, the measures adopted by the anti-floating design of China all depend on the self weight of a building, including the self weight of the structure, the weight of a filling partition wall and the weight of roof greening soil covering, so as to resist the buoyancy generated by underground water, when the self weight of a basement is smaller than the buoyancy of water, the self weight needs to be increased or anti-pulling piles, anti-floating anchor rods or counter weights need to be arranged or the like to resist the buoyancy of water, but the water level of the underground water generally has seasonal changes, the measures adopted by the basement aiming at the anti-floating are designed according to the most unfavorable condition, namely the highest water level in the service life of the building, and therefore, the construction cost of the basement for the anti-floating design is overhigh. In recent years, an anti-floating structure for blind drain drainage has been developed, but the method has the problems of high construction requirements, more construction processes and the like, and is not suitable for many times. Therefore, the development of the basement anti-floating drainage system which is convenient to use, low in construction cost and good in applicability is objectively needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide the anti-floating drainage system for the basement, which is convenient to use, low in construction cost and good in applicability.
The anti-floating drainage well comprises a basement bottom plate and an anti-floating drainage well, wherein a concave pit is dug in the basement bottom plate, the anti-floating drainage well is arranged in the pit, the anti-floating drainage well is of a structure with an opening at the upper end, a through hole is formed in the bottom of the anti-floating drainage well, a drainage pipe is arranged in the anti-floating drainage well, the lower end of the drainage pipe is communicated with the through hole, a transverse pipe is connected to the upper end of the drainage pipe after extending out of the anti-floating drainage well, a pressure release valve is arranged on the transverse pipe, the end part of the transverse pipe is connected with a vertical pipe, the water outlet direction of the vertical pipe faces towards the interior of the anti-floating drainage well, a first submersible pump is arranged at the bottom in the anti-floating drainage well, a first drainage pipe is connected to a water outlet of the first submersible pump, a check valve and a butterfly valve are arranged on the first drainage pipe, a drainage main pipe is arranged above the anti-floating drainage well, the upper end of the first drainage pipe is communicated with the drainage main pipe, and a water level sensor is arranged in the anti-floating drainage well.
Furthermore, the upper end of the anti-floating drainage well is provided with a grating cover plate.
Furthermore, the lower extreme of downcomer passes the through-hole and is provided with the closure plate after stretching out the below of anti drainage shaft that floats, and it has the inlet opening to be located to process on the downcomer of anti drainage shaft below that floats.
Furthermore, the downcomer below the anti-floating drainage well is wrapped with a filter layer.
Furthermore, a second submersible pump is arranged at the bottom of the anti-floating drain well, a water outlet of the second submersible pump is connected with a second drain pipe, a check valve and a butterfly valve are arranged on the second drain pipe, and a drain main pipe is communicated with the upper end of the second drain pipe.
Furthermore, a water outlet pipe is arranged on the transverse pipe of the water inlet end of the pressure release valve, and a valve is arranged on the water outlet pipe.
When the underground water level sensor is used, the normal water level of underground water is higher than that of the basement floor, so that underground water is pressed into the downcast pipe under hydrostatic pressure, and continuously rises in the downcast pipe to enter the transverse pipe to generate pressure on the pressure release valve, the pressure release valve is automatically opened when the water level of the underground water is higher, the underground water flows through the transverse pipe and the vertical pipe to enter the anti-floating drain well, the water level sensor monitors the water level in the anti-floating drain well, when the water level reaches a set position, the first submersible pump, the check valve and the butterfly valve are opened to pump the underground water in the anti-floating drain well to the main drain pipe, and then the underground water is pumped to the nearby rainwater inspection well by the main drain pipe, so that the underground water below the basement is drained, the basement is prevented from floating, and when the water level in the anti-floating drain well drops to the set position, the first submersible pump is stopped, A check valve and a butterfly valve. Can realize the emission of groundwater through above-mentioned mode for the water level of groundwater is injectd at predetermined height all the time, and the anti design of floating of basement can be designed according to this predetermined water level, and no longer need carry out anti design of floating according to the highest water level in the building service life, thereby reduce the construction cost of anti design of floating, and for current anti structure of floating, the structure is comparatively simple, and it is comparatively convenient to construct, does not occupy too much place, and the suitability is better. The utility model has the advantages of convenient use, low construction cost, good applicability and obvious economic and social values.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of node A in FIG. 1;
in the figure: 1-basement floor, 2-anti-floating drainage well, 3-through hole, 4-horizontal pipe, 5-relief valve, 6-vertical pipe, 7-first submersible pump, 8-first drainage pipe, 9-check valve, 10-butterfly valve, 11-main drainage pipe, 12-water level sensor, 13-grid cover plate, 14-blocking plate, 15-water inlet hole, 16-filter layer, 17-second submersible pump, 18-second drainage pipe, 19-water outlet pipe, 20-valve, 21-downcomer pipe, and 22-soil layer.
Detailed Description
The present invention is further described with reference to the drawings, but the present invention is not limited thereto in any way, and any modification or improvement based on the present invention is within the protection scope of the present invention.
As shown in figures 1-2, the utility model comprises a basement bottom plate 1 and an anti-floating drainage well 2, a concave pit is dug on the basement bottom plate 1, the anti-floating drainage well 2 is arranged in the pit, the anti-floating drainage well 2 is of a structure with an open upper end, a through hole 3 is arranged at the bottom of the anti-floating drainage well 2, a downcomer 3 is arranged in the anti-floating drainage well 2, the lower end of the downcomer 3 is communicated with the through hole 3, when in actual use, the downcomer 3 is fixedly connected with the through hole 3 in a sealing way, the upper end of the anti-floating drainage well 2 extends out and is connected with a transverse pipe 4, a relief valve 5 is arranged on the transverse pipe 4, the relief valve 5 is of an existing structure and can be automatically opened when reaching the upper limit of safe pressure, when in use, the standpipe 6 is connected with the end of the transverse pipe 4 according to needs, the water outlet direction of the standpipe 6 faces to the inside of the anti-floating drainage well 2, a first submersible pump 7 is arranged at the bottom in the anti-floating drainage well 2, first immersible pump 7 is the important equipment that the deep well was carried water, whole unit dives in-water work during the use, can extract groundwater to the earth's surface, first immersible pump 7's delivery port is connected with first drain pipe 8, be provided with check valve 9 and butterfly valve 10 on the first drain pipe 8, check valve 9 and butterfly valve 10 are current structure, anti top of floating drain well 2 is provided with drain main 11, the upper end and the drain main 11 intercommunication of first drain pipe 8, be provided with level sensor 12 in the anti drain well 2 that floats, level sensor 12 is current instrument, can detect the water level in the anti drain well 2 that floats, for example current electronic level gauge etc. can detect water level numerical value and send control system's equipment with water level signal can. During the in-service use, can set up the controller in basement or equipment room for the signal that the receiving level sensor 12 sent out obtains the water level condition, simultaneously, also can be through opening and closing of each gate valve of controller control, during the use, for the convenience of control, can set for corresponding stop pump water level, start pump water level and warning water level. In the utility model, the number and the size of the anti-floating drainage wells 2 in the basement can be determined according to the needs, and similarly, the number of the downcomer 21 in the same anti-floating drainage well 2 can also be determined according to the needs.
In the using process of the utility model, as the conventional water level of underground water is higher than the basement bottom plate 1, under the hydrostatic pressure, the underground water is pressed into the downcomer 21 and continuously rises in the downcomer 21 to enter the transverse pipe 4 to generate pressure on the pressure release valve 5, when the water level of the underground water is higher and the water pressure exceeds the set pressure of the pressure release valve 5, the pressure release valve 5 automatically opens, the underground water flows through the transverse pipe 4 and the vertical pipe 6 and then enters the anti-floating drainage well 2, at the moment, the water level sensor 12 monitors the water level in the anti-floating drainage well 2, when the water level reaches the set position, the first submersible pump 7, the check valve 9 and the butterfly valve 10 are opened, the underground water in the anti-floating drainage well 2 is pumped to the drainage main pipe 11 and then is sent to the nearby rainwater inspection well through the drainage main pipe 11, thereby the underground water under the basement is discharged, the basement is prevented from floating upwards, when the water level in the anti-floating drainage well 2 drops to the set position, the first submersible pump 7, the check valve 9 and the butterfly valve 10 are turned off. Can realize the emission of groundwater through above-mentioned mode, make the water level of groundwater injectd predetermined height all the time, basement anti superficial design can design according to this predetermined water level, and no longer need carry out anti superficial design according to the highest water level in the building service life, thereby reduce the construction cost of anti superficial design, increase economic benefits, and for current anti superficial structure, the structure is comparatively simple, it is comparatively convenient to use, do not occupy too much place, the suitability is better, can injectd groundwater level at fixed height through this system simultaneously, also can increase basement structure's degree of safety.
The upper end of the anti-floating drainage well 2 is provided with the grating cover plate 13, and the grating cover plate 13 is arranged, so that people can walk on the grating cover plate 13 and vehicles can also run on the grating cover plate 13, and the space occupied by the anti-floating drainage well 2 is reduced; secondly, also can prevent that people or vehicle accident from falling into anti drainage well 2 that floats through the setting of grid cover 13, improve the security performance of anti drainage well 2 that floats when using.
The lower extreme of downcomer 3 passes through-hole 3 and is provided with closure plate 14 behind the below of stretching out anti drainage shaft 2 that floats, and it has inlet opening 15 to be located to process on the downcomer 3 of anti drainage shaft 2 below that floats, and during the use, groundwater accessible inlet opening 15 converges downcomer 3, and this kind of mode makes things convenient for in groundwater gets into downcomer 3 more.
The filter layer 16 is wrapped on the downcomer 3 below the anti-floating drainage well 2, the filter layer 16 can use filter cloth or filter screen, can filter earth and impurities in the soil layer 22, when in actual use, the downcomer 3 below the anti-floating drainage well 2 is inserted in the soil layer 22, when the system operates, the earth and impurities in the soil layer 22 can possibly enter the downcomer 3 along with underground water, long-term and past, the blockage of the downcomer 3 or even the whole system can be caused, so the filter layer 16 is arranged, the earth and impurities in the soil layer 22 are filtered, and the underground water entering the downcomer 3 is ensured to be clean water.
A second submersible pump 17 is arranged at the bottom in the anti-floating drainage well 2, a water outlet of the second submersible pump 17 is connected with a second drainage pipe 18, a check valve 9 and a butterfly valve 10 are arranged on the second drainage pipe 18, the upper end of the second drainage pipe 18 is communicated with a drainage main pipe 11, when rainfall is large in rainy season and the water level of underground water rises quickly, water in the anti-floating drainage well 2 cannot be drained quickly only through the first submersible pump 7, at the moment, the second submersible pump 17 can be opened, the drainage quantity of the underground water in the anti-floating drainage well 2 is increased, and the drainage speed is increased; secondly, the second submersible pump 17 is also a standby submersible pump, and when the first submersible pump 7 is in fault or damaged, normal drainage can be carried out through the second submersible pump 17, so that normal operation of the anti-floating drainage system is guaranteed.
The water outlet pipe 19 is arranged on the transverse pipe 4 at the water inlet end of the pressure release valve 5, the valve 20 is arranged on the water outlet pipe 19, the valve 20 is in the prior art, the opening and closing of water flow in the water outlet pipe 19 can be controlled, when the pressure release valve 5 breaks down, the valve 20 can be opened, underground water is discharged to the anti-floating drainage well 2 from the water outlet pipe 19, the pressure release valve 5 is convenient to overhaul and replace, and the underground water can be continuously discharged.
Claims (6)
1. A basement anti-floating drainage system is characterized by comprising a basement bottom plate (1) and an anti-floating drainage well (2), wherein a concave pit is dug in the basement bottom plate (1), the anti-floating drainage well (2) is arranged in the pit, the anti-floating drainage well (2) is of a structure with an opening at the upper end, a through hole (3) is formed in the bottom of the anti-floating drainage well (2), a downcomer (21) is arranged inside the anti-floating drainage well (2), the lower end of the downcomer (21) is communicated with the through hole (3), a transverse pipe (4) is connected after the upper end of the downcomer extends out of the anti-floating drainage well (2), a pressure relief valve (5) is arranged on the transverse pipe (4), the end part of the transverse pipe (4) is connected with a vertical pipe (6), the water outlet direction of the vertical pipe (6) faces towards the inside of the anti-floating drainage well (2), a first submersible pump (7) is arranged at the bottom inside the anti-floating drainage well (2), the delivery port of first immersible pump (7) is connected with first drain pipe (8), is provided with check valve (9) and butterfly valve (10) on first drain pipe (8), the top of anti-floating drainage well (2) is provided with drain main (11), the upper end and the drain main (11) intercommunication of first drain pipe (8), be provided with level sensor (12) in anti-floating drainage well (2).
2. The basement anti-floating drainage system according to claim 1, wherein the upper end of the anti-floating drainage well (2) is provided with a grating cover plate (13).
3. The basement anti-floating drainage system according to claim 1, wherein the lower end of the downcomer (21) passes through the through hole (3) and extends to the position below the anti-floating drainage well (2) to form a blocking plate (14), and a water inlet hole (15) is formed in the downcomer (21) below the anti-floating drainage well (2).
4. The basement anti-floating drainage system according to claim 3, wherein the downcomer (21) below the anti-floating drainage well (2) is wrapped with the filter layer (16).
5. The anti-floating drainage system for the basement according to claim 1, wherein a second submersible pump (17) is arranged at the bottom in the anti-floating drainage well (2), a second drainage pipe (18) is connected to a water outlet of the second submersible pump (17), a check valve (9) and a butterfly valve (10) are arranged on the second drainage pipe (18), and the upper end of the second drainage pipe (18) is communicated with the drainage main pipe (11).
6. The basement anti-floating drainage system according to claim 1, wherein a water outlet pipe (19) is arranged on the horizontal pipe (4) at the water inlet end of the pressure relief valve (5), and a valve (20) is arranged on the water outlet pipe (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122825866.4U CN216379635U (en) | 2021-11-18 | 2021-11-18 | Basement anti drainage system that floats |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122825866.4U CN216379635U (en) | 2021-11-18 | 2021-11-18 | Basement anti drainage system that floats |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216379635U true CN216379635U (en) | 2022-04-26 |
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ID=81254063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122825866.4U Active CN216379635U (en) | 2021-11-18 | 2021-11-18 | Basement anti drainage system that floats |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216379635U (en) |
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2021
- 2021-11-18 CN CN202122825866.4U patent/CN216379635U/en active Active
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