CN200984480Y

CN200984480Y - Tunnel ground water filtering basin

Info

Publication number: CN200984480Y
Application number: CN 200620154132
Authority: CN
Inventors: 赵元金; 高云
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-12-01
Filing date: 2006-12-01
Publication date: 2007-12-05
Anticipated expiration: 2016-12-01

Abstract

The utility model discloses a tunnel ground water filtering pond, which comprises a pond body consisting of a plurality of adjoining cavities, wherein, the upside of the top cavity is provided with a water inlet, while the bottom of the end cavity is provided with a water outlet; the bottom of each cavity has a soil discharging device capable of opening and closing; a filtering port is arranged between adjacent cavities and is provided with a filtering net tilting upwards. When sewage flows into another adjacent cavity through the filtering port, the tilting filtering net arranged at the filtering port blocks off part sediment inside the sewage and then the sediment deposits at the bottom of the cavity under the action of gravity, thereby improving water quality of sewage. After a plurality of the above filtering processes, water quality can be gradually improved, thereby water discharged from water outlet can meet construction requirement and can be directly used in engineering construction so as to substantially reduce water consumption in construction and avoid waste of water resources.

Description

A kind of tunnel underground water filtering ponds

Technical field

The utility model relates to the groundwater treatment device in a kind of Tunnel Engineering, particularly the tunnel underground water filtering ponds that the impurity such as silt in the underground water are leached

Technical background

In the higher area of level of ground water, during the subterranean tunnel engineering construction, underground water and construction waste water earth easy and in the tunnel mixes, and forms the sewage of clay content height, water turbidity.These sewage can not use, and often directly by high-pressure hydraulic pump it are discharged to ground or sewer, are discharged to the sewage on ground, have often both influenced environment, influence construction again.And, cause obstruction easily after entering sewer owing to contain a large amount of silt in the sewage, and stop up sewer in order to prevent silt, need to drop into a large amount of manually arranging usually and become silted up and remove contamination.In the construction, engineering construction need be used a large amount of water on the one hand, another power face, and a large amount of underground water is directly drained, and has caused a large amount of wastes of water resource.If can handle to these sewage, it is applied to construction, that can reduce the used water yield of construction greatly.

The utility model content

The purpose of this utility model is to provide a kind of can make it can be used in the tunnel underground water filtering ponds of construction the silt filtering in the underground water.

Tunnel described in the utility model underground water filtering ponds, comprise the pond body of forming by a plurality of cavitys that adjoin each other, water inlet is arranged at the top of top cavity, delivery port is arranged at the bottom of terminal cavity, mud discharging device to be opened/closed is all arranged at the bottom of each cavity, the filtration mouth that the circulation of supplying water is arranged between adjacent cavity filters a mouthful place screen pack is installed obliquely.

Filtering ponds are made up of a plurality of cavitys that adjoin each other, when sewage enters another adjacent with it cavity from filtering mouth, filter mouthful place's screen pack obliquely part silt in the sewage blocked, the silt that is blocked in the effect deposit of gravity in the bottom of cavity, thereby the water quality of sewage is promoted.Sewage is in a plurality of cavitys, and through above-mentioned filter process repeatedly, water quality can constantly promote, and the water that delivery port is discharged can satisfy the instructions for use of construction, can be directly used in engineering construction, thereby can save the water consumption of engineering construction.Simultaneously, the sedimentation that filters out is in the bottom of cavity, and when opening the mud discharging device of cavity bottom, silt can be discharged from mud discharging device under the effect of the gravity of water automatically, and the discharge of silt is simple, convenient, does not need artificial.In addition, the waste water after construction is used also can enter filtering ponds again and carry out recyclingly, and greatly the utilization rate of the water of Ti Gaoing has been saved the construction water amount.

Description of drawings

Fig. 1 is the schematic diagram of a kind of tunnel underground water filtering ponds;

Fig. 2 is that the tunnel underground water filtering ponds of Fig. 1 filter mouthful partial sectional view at place.

The specific embodiment

As shown in Figure 1 and Figure 2, a kind of tunnel underground water filtering ponds, the

cavity

1,2,3,4 that its pond body is arranged by four matrix patterns is formed, water inlet 5 is arranged at cavity 1 top, and delivery port 6 is arranged at the bottom of cavity 4, cavity 1 and cavity 2, cavity 2 and

cavity

3,4 of cavity 3 and cavitys have the filtration mouth 7 that supplies water and flow through, each filtration mouthful 7 place all is equipped with screen pack 8 obliquely, and the mud discharging device of the bottom of

cavity

1,2,3,4 is a discharge pipeline 9, and valve 10 is housed on the discharge pipeline 9.

After sewage flows into cavity 1 from water inlet 5, process filter screen 8 is with after part silt blocks, leaches in the sewage, enter cavity 2 from filtering mouth 7, again after 2,3 of cavitys filter filter screen 8 filtrations at mouthful 7 places, enter on the cavity 3 from filtering mouth, after the filter screen 8 at the filtration mouth place of 3,4 of cavitys filters, enter cavity 4 then, from the delivery port 6 of cavity 4 bottoms, flow out at last and use from filtering mouth.

After 3 grades of filtrations of sewage through 1,2,3,4 of cavitys, its silt major part is filtered off, and the water quality of the water that delivery port 6 is discharged meets the construction instructions for use, can be directly used in construction, thereby can reduce the construction water amount.The sedimentation that filter screen 8 leaches is in the bottom of cavity, and when the valve 10 on the discharge pipeline 9 of opening cavity bottom, silt can be discharged from discharge pipeline 9 under the effect of the gravity of water automatically, and the discharge of silt is simple, convenient, does not need artificial.In addition, construction with after waste water also can enter into cavity from water inlet 5 again, carry out recyclingly once more, the utilization rate of the water that it greatly improves has further been saved the water consumption of construction.

When underground sewage is evacuated to water inlet by water pump dynamic water, has certain flow velocity, this brings adverse influence can for the deposition of silt, flow velocity for the sewage that reduces suction, make sewage as far as possible near Static Water, entry Buffer Pool 11 can be set in the water inlet, and sewage flows into cavity after slowing down again in Buffer Pool, thereby can not influence the deposition of silt in the cavity.

Filter under the fixing situation of mouthful 7 areas for making, filter area can be maximum, thereby reach best filter effect, filters mouthful screen pack 8 at place and become 45 degree obliquely.

In order to prevent that sewage from directly flowing in the adjacent cavity from filtering mouthfuls 7 the top by screen pack 8, can screen pack 8 with filter mouthfuls 7 above water fender 17 is installed, stop by water fender 17 that sewage directly flows into from the top of screen pack 8 and filter mouthfuls 7.

Because the volume of cavity is fixed, when the water yield in the cavity exceeds the volume of cavity, water can overflow from the apical margin around each cavity, thereby influence construction environment, apical margin around for fear of water from cavity overflows, and can an overflow pipe 12 be installed on the top of cavity, when the water yield exceeds overflow pipe, the water that exceeds will flow out along overflow pipe, and can not overflow around cavity.Simultaneously, because cavity has certain height, the flow velocity of the water that overflows from overflow pipe 12 can be very fast, be easy to generate eddy current, make the water generates flow velocity in the cavity and be unfavorable for the deposition of silt, can overflow Buffer Pool 13 being set at the mouth of pipe place of overflow pipe 12 for fear of the generation of this kind situation.

When sedimentation was arrived to a certain degree, for making can comparatively fast and completely discharging of bottom sediment, mud discharging device can adopt the form of gate.Mud discharging mouth 14 is established in the bottom that is cavity, and mud discharging mouth 14 places are provided with slot 15, can insert plate 16 in the slot 15, plate 16 inserts in the slot 15 fully when not needing spoil disposal, silt can not be discharged, and can regulate the degree of depth that plate 16 inserts when the need spoil disposal as required, thus the speed of control spoil disposal.

Pond of the present utility model body also can be two, the adjacent cavity formation more than three or four.

Claims

1, a kind of tunnel underground water filtering ponds, it is characterized in that: comprise the pond body of forming by a plurality of cavitys that adjoin each other, water inlet (5) is arranged at the top of top cavity, delivery port (6) is arranged at the bottom of terminal cavity, mud discharging device to be opened/closed is arranged at the bottom of each cavity, the filtration mouth (7) that the circulation of supplying water is arranged between adjacent cavity filters mouthful (7) and locates to be equipped with obliquely screen pack (8).

2, tunnel according to claim 1 underground water filtering ponds is characterized in that: described screen pack (8) becomes 45 degree obliquely.

3, tunnel according to claim 1 underground water filtering ponds, it is characterized in that: water inlet (5) locates to be provided with entry Buffer Pool (11).

4, according to any one described tunnel underground water filtering ponds in the claim 1 to 3, peculiar levying is: screen pack (8) is equipped with water fender (17) with filtration mouthful (a 7) top.

5, tunnel according to claim 1 underground water filtering ponds, it is characterized in that: described mud discharging device is the mud discharging mouth (14) of cavity bottom, the slot (15) that mud discharging mouth (14) is provided with all around inserts the dashboard (16) in the slot (15).

6, tunnel according to claim 1 underground water filtering ponds, it is characterized in that: described mud discharging device is the discharge pipeline (9) of cavity bottom, and the valve (10) on the discharge pipeline (9).

7, tunnel according to claim 1 underground water filtering ponds, it is characterized in that: the top of cavity is provided with overflow pipe (12).

8, tunnel according to claim 5 underground water filtering ponds, it is characterized in that: overflow pipe (12) locates to be provided with overflow Buffer Pool (13).