CN208408004U - A kind of underground sewage collection interception system - Google Patents
A kind of underground sewage collection interception system Download PDFInfo
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- CN208408004U CN208408004U CN201820456989.0U CN201820456989U CN208408004U CN 208408004 U CN208408004 U CN 208408004U CN 201820456989 U CN201820456989 U CN 201820456989U CN 208408004 U CN208408004 U CN 208408004U
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Abstract
A kind of underground sewage provided by the utility model collects interception system, including intercepts and captures wall, collects well and connecting tube, and the wall of intercepting and capturing is the slot for excavating stratum and being formed;For the collection well location in the intercepting and capturing wall center, bottom depth is lower than the intercepting and capturing wall, offers aperture on the collection well borehole wall;The connecting tube passes through the aperture opened up on the collection well borehole wall and extends to the intercepting and capturing wall, and is sealed by sealing rod.System provided by the utility model, gang of wells, drainage pipe facility compared to the prior art, with more preferably collecting function, especially when sewage water-bearing layer is the poor stratum of the water penetrations such as silty clay or clay, capacity gauge of the capacity gauge up to the existing utilities hundreds of times such as gang of wells, drainage pipe.Underground sewage provided by the utility model, which collects interception system, can be used the completion of digging up and filling in form, and connecting tube uses reservation mode, construction is simple, short time limit, and low cost is easy to industrialization promotion.
Description
Technical field
The utility model relates to environment protection fields, more particularly to one kind is used for Industrial Wasteland, solid waste focuses on field,
Refuse landfill and stratum permeability is poor, sewage collecting of the more consistent contaminated site in seepage action of ground water direction is intercepted and captured
System.
Background technique
Since reform and opening-up, China's economy is always maintained at higher growth rate, but develops due to failing to be effectively treated
Contradiction between economical and environmentally friendly, environmental pollution is also increasingly severe, and soil pollution and underground water pollution problem become increasingly conspicuous.Its
In, typical contaminated site includes that industrial (chemical industry, mining industry, Metallurgy Industry) discards ground, solid waste centrally disposes place, Rare Earth Mine
Area etc..
China increasingly reinforces the improvement to environment in recent years, and the improvement reparation of contaminated site is increasingly paid attention to by all circles,
Middle underground water pollution and the technology of reparation are also together in groping and developing.At present in underground water pollution control engineer application,
Through downstream, then existing frequently with vertical seepage control body (such as grout curtain, mud wall, plastic concrete wall) barrier subsurface flow
Its internal setting pumped well collects interception system as underground sewage.
Conventional underground sewage is collected interception system and is mainly formed by individually permeating well or gang of wells, in some engineer applications
Also using radiation drainage pipe as a measure for expanding its capacity gauge.As the poor (k=10- of underground sewage permeability of aquifer
5cm/s rank) when, the capacity gauge of this conventional collection interception system is extremely limited.
Summary of the invention
In order to solve the above technical problems, the utility model provides a kind of underground sewage collection interception system, including intercept and capture
Wall collects well and connecting tube, and the wall of intercepting and capturing is the slot for excavating stratum and being formed;The collection well location is in the intercepting and capturing wall center
Position, bottom depth are lower than the intercepting and capturing wall, offer aperture on the collection well borehole wall;The connecting tube passes through the collection
The aperture opened up on the well borehole wall extends to the intercepting and capturing wall, and is sealed by sealing rod.
Wherein, the collection interception system and the system combined use of vertical impermeable wall, are set to the vertical impermeable wall system
At 3 ~ 8 meters of upstream of system.
Wherein, the intercepting and capturing wall width is 40 ~ 80cm, and depth is 5 ~ 8m, and bottom is arranged slope aspect and collects the well gradient, slope ratio
It is 2% ~ 5%.
Wherein, the intercepting and capturing are filled with coarse granule sandy gravel or gravel rubble within the walls.
Wherein, the intercepting and capturing are additionally provided with one layer of non-woven geotextile within the walls.
Wherein, the collection well internal diameter is 2 ~ 3m, and bottom depth is lower than the intercepting and capturing wall 2 ~ 5m of bottom.
Wherein, for the connecting tube along the collection well short transverse arranged for interval, spacing distance is 1 ~ 2m.
Wherein, the connecting tube uses high density polyethylene (HDPE) material.
The utility model has the beneficial effects that
Underground sewage collection interception system provided by the utility model, gang of wells, drainage pipe facility compared to the prior art,
With more preferably collecting function, especially when sewage water-bearing layer is the poor stratum of the water penetrations such as silty clay or clay, receive
Capacity gauge of the collection ability up to the existing utilities hundreds of times such as gang of wells, drainage pipe.Underground sewage provided by the utility model is collected
Interception system can be used digging up and filling in form completion, connecting tube use reservation mode, construction is simple, short time limit, low cost, easily
In industrialization promotion.
Detailed description of the invention
It, below will be to needing attached drawing to be used in embodiment in order to illustrate more clearly of the technical solution of the utility model
It is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model, corresponds to this
For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the schematic diagram of the section structure that underground sewage provided by the embodiment of the utility model collects interception system;
Wall is intercepted and captured in Fig. 2 underground sewage collection interception system provided by the embodiment of the utility model and the part of collection well is put
Big structure schematic diagram;
Title corresponding to appended drawing reference in attached drawing are as follows: 1- intercepts and captures wall, and 2- collects well, 3- connecting tube, 4- sealing rod.
Specific embodiment
It is preferred embodiments of the present invention below, it is noted that for those skilled in the art
For, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications
It is considered as the protection scope of the utility model.
Embodiment 1
The utility model provides a kind of underground sewage collection interception system, as depicted in figs. 1 and 2, including intercepting and capturing wall 1,
Well 2 and connecting tube 3 are collected, the wall 1 of intercepting and capturing is the slot for excavating stratum and being formed, and 1 width of intercepting and capturing wall is 60cm, and depth is
5m, bottom are arranged slope aspect and collect the well gradient, and slope ratio is 3%, is filled with coarse granule sandy gravel or gravel rubble in the intercepting and capturing wall 1;Institute
It states collection well 2 and is located at 1 center of intercepting and capturing wall, internal diameter 2m, bottom depth is lower than the 1 bottom 3m of intercepting and capturing wall, described
It collects and offers aperture on 2 borehole wall of well;The aperture that the connecting tube 3 opens up on collection 2 borehole wall of well extends to described
Wall 1 is intercepted and captured, along the 2 short transverse arranged for interval of collection well, spacing distance 1.2m, and is sealed by sealing rod 4, the company
3 caliber of adapter tube is DN110, and length 1m, material is high density polyethylene (HDPE).
It is described collect interception system construction method the following steps are included:
A. the waste material in pollution of surface place and plain fill are removed and is properly banked up, excavate 1.5m, the earth material being excavated
It is backfilled for the later period;
B. opening up width is 60cm, and the slot that depth is 5m is received as wall 1,1 bottom of the intercepting and capturing wall setting slope aspect is intercepted and captured
Collect the well gradient, slope ratio is 3%, using steel plate retaining wall when opening up slot;
C. sand gravel body, then backfill are first backfilled after slot opens up, while backfilling part graded sand in groove top upright position
Gravel guarantees that sand gravel overall height is not less than 7m;
D. it in 1 center of intercepting and capturing wall, is constructed using drop shaft sinking and collects well 2, the collection well 2 is reinforced concrete
Structure, internal diameter 2m, bottom depth are lower than the 1 bottom 3m of intercepting and capturing wall, offer aperture on 2 borehole wall of collection well;
E. connecting tube 3 passes through the aperture opened up on collection 2 borehole wall of well and extends to the intercepting and capturing wall 1, uses at aperture
Sealing rod 4 seals, and the connecting tube 3 is along the 2 short transverse arranged for interval of collection well, spacing distance 1.2m;
F. it after the completion of constructing, is backfilled using the earth material that step A is excavated, while backfilling sand gravel Water permeable body.
Embodiment 2
The utility model provides a kind of underground sewage collection interception system, as depicted in figs. 1 and 2, including intercepting and capturing wall 1,
Well 2 and connecting tube 3 are collected, the wall 1 of intercepting and capturing is the slot for excavating stratum and being formed, and 1 width of intercepting and capturing wall is 50cm, and depth is
6m, bottom are arranged slope aspect and collect the well gradient, and slope ratio is 2%, is filled with coarse granule sandy gravel or gravel rubble in the intercepting and capturing wall 1;Institute
It states collection well 2 and is located at 1 center of intercepting and capturing wall, internal diameter 2.5m, bottom depth is lower than the 1 bottom 4m of intercepting and capturing wall, institute
It states to collect and offers aperture on 2 borehole wall of well;The connecting tube 3 passes through the aperture opened up on collection 2 borehole wall of well and extends to institute
It states and intercepts and captures wall 1, along the 2 short transverse arranged for interval of collection well, spacing distance 1m, and sealed by sealing rod 4, the company
3 caliber of adapter tube is DN110, and length 1m, material is high density polyethylene (HDPE).
It is described collect interception system construction method the following steps are included:
A. the waste material in pollution of surface place and plain fill are removed and is properly banked up, excavate 2m, the earth material being excavated is used
It is backfilled in the later period;
B. opening up width is 50cm, and the slot that depth is 6m is received as wall 1,1 bottom of the intercepting and capturing wall setting slope aspect is intercepted and captured
Collect the well gradient, slope ratio is 2%, using steel plate retaining wall when opening up slot;
C. sand gravel body, then backfill are first backfilled after slot opens up, while backfilling part graded sand in groove top upright position
Gravel guarantees that sand gravel overall height is not less than 7m;
D. it in 1 center of intercepting and capturing wall, is constructed using drop shaft sinking and collects well 2, the collection well 2 is reinforced concrete
Structure, internal diameter 2.5m, bottom depth are lower than the 1 bottom 4m of intercepting and capturing wall, offer aperture on 2 borehole wall of collection well;
E. connecting tube 3 passes through the aperture opened up on collection 2 borehole wall of well and extends to the intercepting and capturing wall 1, uses at aperture
Sealing rod 4 seals, and the connecting tube 3 is along the 2 short transverse arranged for interval of collection well, spacing distance 1m;
F. it after the completion of constructing, is backfilled using the earth material that step A is excavated, while backfilling sand gravel Water permeable body.
Embodiment 3
The utility model provides a kind of underground sewage collection interception system, as depicted in figs. 1 and 2, including intercepting and capturing wall 1,
Well 2 and connecting tube 3 are collected, the wall 1 of intercepting and capturing is the slot for excavating stratum and being formed, and 1 width of intercepting and capturing wall is 40cm, and depth is
7m, bottom are arranged slope aspect and collect the well gradient, and slope ratio is 4%, is filled with coarse granule sandy gravel or gravel rubble in the intercepting and capturing wall 1;Institute
It states collection well 2 and is located at 1 center of intercepting and capturing wall, internal diameter 3m, bottom depth is lower than the 1 bottom 3.5m of intercepting and capturing wall, institute
It states to collect and offers aperture on 2 borehole wall of well;The connecting tube 3 passes through the aperture opened up on collection 2 borehole wall of well and extends to institute
It states and intercepts and captures wall 1, along the 2 short transverse arranged for interval of collection well, spacing distance 1.8m, and sealed by sealing rod 4, it is described
3 caliber of connecting tube is DN110, and length 1m, material is high density polyethylene (HDPE);The collection interception system and vertical impermeable wall system
System is used in combination, and is set at 5 meters of the vertical impermeable wall system upstream.
It is described collect interception system construction method the following steps are included:
A. the waste material in pollution of surface place and plain fill are removed and is properly banked up, excavate 2.5m, the earth material being excavated
It is backfilled for the later period;
B. opening up width is 40cm, and the slot that depth is 7m is received as wall 1,1 bottom of the intercepting and capturing wall setting slope aspect is intercepted and captured
Collect the well gradient, slope ratio is 4%, using steel plate retaining wall when opening up slot;
C. sand gravel body, then backfill are first backfilled after slot opens up, while backfilling part graded sand in groove top upright position
Gravel guarantees that sand gravel overall height is not less than 7m;
D. it in 1 center of intercepting and capturing wall, is constructed using drop shaft sinking and collects well 2, the collection well 2 is reinforced concrete
Structure, internal diameter 3m, bottom depth are lower than the 1 bottom 3.5m of intercepting and capturing wall, offer aperture on 2 borehole wall of collection well;
E. connecting tube 3 passes through the aperture opened up on collection 2 borehole wall of well and extends to the intercepting and capturing wall 1, uses at aperture
Sealing rod 4 seals, and the connecting tube 3 is along the 2 short transverse arranged for interval of collection well, spacing distance 1.8m;
F. it after the completion of constructing, is backfilled using the earth material that step A is excavated, while backfilling sand gravel Water permeable body.
Embodiment 4
The utility model provides a kind of underground sewage collection interception system, as depicted in figs. 1 and 2, including intercepting and capturing wall 1,
Well 2 and connecting tube 3 are collected, the wall 1 of intercepting and capturing is the slot for excavating stratum and being formed, and 1 width of intercepting and capturing wall is 65cm, and depth is
6.5m, bottom are arranged slope aspect and collect the well gradient, and slope ratio is 3%, are filled with coarse granule sandy gravel or gravel rubble in the intercepting and capturing wall 1,
It is additionally provided with one layer of non-woven geotextile simultaneously;The collection well 2 is located at 1 center of intercepting and capturing wall, internal diameter 3m, bottom depth
Lower than the 1 bottom 3.5m of intercepting and capturing wall, aperture is offered on 2 borehole wall of collection well;The connecting tube 3 passes through the collection
The aperture opened up on 2 borehole wall of well extends to the intercepting and capturing wall 1, and along the 2 short transverse arranged for interval of collection well, spacing distance is
1.6m, and sealed by sealing rod 4,3 caliber of connecting tube is DN110, and length 1m, material is high density polyethylene (HDPE).
It is described collect interception system construction method the following steps are included:
A. the waste material in pollution of surface place and plain fill are removed and is properly banked up, excavate 1.8m, the earth material being excavated
It is backfilled for the later period;
B. opening up width is 65cm, and slope aspect is arranged as wall 1,1 bottom of intercepting and capturing wall is intercepted and captured in the slot that depth is 6.5m
The well gradient is collected, slope ratio is 3%, using steel plate retaining wall when opening up slot;
C. sand gravel body, then backfill are first backfilled after slot opens up, while backfilling part graded sand in groove top upright position
Gravel guarantees that sand gravel overall height is not less than 7m;
D. it in 1 center of intercepting and capturing wall, is constructed using drop shaft sinking and collects well 2, the collection well 2 is reinforced concrete
Structure, internal diameter 3m, bottom depth are lower than the 1 bottom 3.5m of intercepting and capturing wall, offer aperture on 2 borehole wall of collection well;
E. connecting tube 3 passes through the aperture opened up on collection 2 borehole wall of well and extends to the intercepting and capturing wall 1, uses at aperture
Sealing rod 4 seals, and the connecting tube 3 is along the 2 short transverse arranged for interval of collection well, spacing distance 1.6m;
F. it after the completion of constructing, is backfilled using the earth material that step A is excavated, while backfilling sand gravel Water permeable body.
Embodiment 5
The utility model provides a kind of underground sewage collection interception system, as depicted in figs. 1 and 2, including intercepting and capturing wall 1,
Well 2 and connecting tube 3 are collected, the wall 1 of intercepting and capturing is the slot for excavating stratum and being formed, and 1 width of intercepting and capturing wall is 50cm, and depth is
7m, bottom are arranged slope aspect and collect the well gradient, and slope ratio is 4%, is filled with coarse granule sandy gravel or gravel rubble in the intercepting and capturing wall 1, together
When be additionally provided with one layer of non-woven geotextile;The collection well 2 is located at 1 center of intercepting and capturing wall, internal diameter 2m, and bottom depth is low
In offering aperture on the 1 bottom 4m of intercepting and capturing wall, 2 borehole wall of collection well;The connecting tube 3 passes through the collection Jing2Jing
The aperture opened up on wall extends to the intercepting and capturing wall 1, along the 2 short transverse arranged for interval of collection well, spacing distance 1m, and
It is sealed by sealing rod 4,3 caliber of connecting tube is DN110, and length 1m, material is high density polyethylene (HDPE);Described collect is cut
System and the system combined use of vertical impermeable wall are obtained, is set at 5 meters of the vertical impermeable wall system upstream.
It is described collect interception system construction method the following steps are included:
A. the waste material in pollution of surface place and plain fill are removed and is properly banked up, excavate 2.2m, the earth material being excavated
It is backfilled for the later period;
B. opening up width is 50cm, and the slot that depth is 7m is received as wall 1,1 bottom of the intercepting and capturing wall setting slope aspect is intercepted and captured
Collect the well gradient, slope ratio is 4%, using steel plate retaining wall when opening up slot;
C. sand gravel body, then backfill are first backfilled after slot opens up, while backfilling part graded sand in groove top upright position
Gravel guarantees that sand gravel overall height is not less than 7m;
D. it in 1 center of intercepting and capturing wall, is constructed using drop shaft sinking and collects well 2, the collection well 2 is reinforced concrete
Structure, internal diameter 2m, bottom depth are lower than the 1 bottom 4m of intercepting and capturing wall, offer aperture on 2 borehole wall of collection well;
E. connecting tube 3 passes through the aperture opened up on collection 2 borehole wall of well and extends to the intercepting and capturing wall 1, uses at aperture
Sealing rod 4 seals, and the connecting tube 3 is along the 2 short transverse arranged for interval of collection well, spacing distance 1m;
F. it after the completion of constructing, is backfilled using the earth material that step A is excavated, while backfilling sand gravel Water permeable body.
Underground sewage provided by the utility model is collected in interception system and is provided with pumping system, by the underground being collected into dirt
Water extraction centralized processing.
Above embodiments only express the several embodiments of the utility model, and the description thereof is more specific and detailed, but simultaneously
Therefore it cannot be interpreted as that a limitation on the scope of the patent of the present invention.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (8)
1. a kind of underground sewage collects interception system, including intercepts and captures wall, collects well and connecting tube, it is characterised in that: the intercepting and capturing
Wall is the slot for excavating stratum and being formed;The collection well location is lower than the intercepting and capturing in the intercepting and capturing wall center, bottom depth
Wall offers aperture on the collection well borehole wall;The connecting tube passes through the aperture opened up on the collection well borehole wall and extends to
The intercepting and capturing wall, and sealed by sealing rod.
2. a kind of underground sewage according to claim 1 collects interception system, it is characterised in that: the collection interception system
With the system combined use of vertical impermeable wall, it is set at 3 ~ 8 meters of the vertical impermeable wall system upstream.
3. a kind of underground sewage according to claim 1 collects interception system, it is characterised in that: the intercepting and capturing wall width is
40 ~ 80cm, depth are 5 ~ 8m, and bottom is arranged slope aspect and collects the well gradient, and slope ratio is 2% ~ 5%.
4. a kind of underground sewage according to claim 1 collects interception system, it is characterised in that: the intercepting and capturing are filled within the walls
Coarse granule sandy gravel or gravel rubble.
5. a kind of underground sewage according to claim 4 collects interception system, it is characterised in that: the intercepting and capturing are also set within the walls
There is one layer of non-woven geotextile.
6. a kind of underground sewage according to claim 1 collects interception system, it is characterised in that: the collection well internal diameter is
2 ~ 3m, bottom depth are lower than the intercepting and capturing wall 2 ~ 5m of bottom.
7. a kind of underground sewage according to claim 1 collects interception system, it is characterised in that: the connecting tube is described in
Well short transverse arranged for interval is collected, spacing distance is 1 ~ 2m.
8. a kind of underground sewage according to claim 1 collects interception system, it is characterised in that: the connecting tube is using high
Density polyethylene material.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108687096A (en) * | 2018-04-03 | 2018-10-23 | 中国瑞林工程技术有限公司 | A kind of underground sewage collects interception system and its construction method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108687096A (en) * | 2018-04-03 | 2018-10-23 | 中国瑞林工程技术有限公司 | A kind of underground sewage collects interception system and its construction method |
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