CN209398450U - A kind of open coal mine underground reservoir and its water storage tank - Google Patents
A kind of open coal mine underground reservoir and its water storage tank Download PDFInfo
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- CN209398450U CN209398450U CN201821389930.0U CN201821389930U CN209398450U CN 209398450 U CN209398450 U CN 209398450U CN 201821389930 U CN201821389930 U CN 201821389930U CN 209398450 U CN209398450 U CN 209398450U
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- water storage
- storage tank
- prefabricated pipe
- coal mine
- pipe culvert
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Abstract
The utility model provides a kind of open coal mine underground reservoir water storage tank, the water storage tank includes three layers of water storage tank, by groundwater reservoir bottom storehouse, successively alternating expression is arranged upwards, between the water storage tank and its surrounding is filled using open coal mine In-pit dumping, every layer of water storage tank is successively staggeredly stacked by 2-6 row's prefabricated pipe culvert from the groundwater reservoir bottom storehouse upwards, it is filled using gravel or rubble in stacking gap between the prefabricated pipe culvert, multiple rows of culvert hole is set in the prefabricated pipe culvert, the number that every row contains hole is 4-8, it is uniformly arranged on the same circumference of the prefabricated pipe culvert, every row is equipped with centre bore between containing hole row, prefabricated pipe culvert outer wall positioned at groundwater reservoir surrounding boundary is not provided with containing hole.The utility model additionally provides a kind of open coal mine underground reservoir for making water storage tank with the prefabricated pipe culvert, including the water storage tank and core-wall checkdam.The open coal mine underground reservoir provided by the utility model for making water storage tank with prefabricated pipe culvert, storage capacity is big and stable structure.
Description
Technical field
The utility model belongs to mineral engineering and hydraulic engineering interleaving techniques field, in particular to a kind of open coal mine underground
Reservoir and its water storage tank.
Background technique
Opencut coal mine mining faces desertification, subsurface flow the is become estranged environmental problems such as water pollution, coal mine underground water
It is mine water cleaning processing that library, which is built, effectively store and sub-prime utilizes and provides engineering technology approach.The built underground in the country
Reservoir is built mainly for Jing Gongkuangjing, it has been disclosed that patent be related to open coal mine underground reservoir construction mainly with rubble
Or other porous medias form multi-lamellar reservoir space as water storage material, filling, construction is synchronous with In-pit dumping operation
It carries out, space layer position feature is distribution, and such groundwater reservoir is applied using rubble or other porous medias as filtering layer and water storage tank
Work is simple, and construction cost is low, but such reservoir has the shortcomings that storage capacity is small and structural instability.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of storage capacity greatly, the open coal mine underground water of stable structure
Library and its water storage tank.
In order to solve the above technical problems, the utility model provides a kind of open coal mine underground reservoir water storage tank, the storage
Water body includes three layers of water storage tank, and by groundwater reservoir bottom storehouse, successively alternating expression is arranged upwards, and between the water storage tank and its surrounding is adopted
With open coal mine In-pit dumping fill, every layer of water storage tank by 2-6 row prefabricated pipe culvert be staggeredly stacked, the prefabricated pipe culvert it
Between stacking gap filled using rubble, multiple rows of culvert hole is set in the prefabricated pipe culvert, and the number that every row contains hole is 4-8,
It is even to be arranged on the same circumference of the prefabricated pipe culvert, centre bore is set between every two rows of culvert holes, convenient between the prefabricated pipe culvert
Water guide, the prefabricated pipe culvert side wall positioned at open coal mine surrounding boundary is not provided with containing hole, to guarantee groundwater reservoir live storage.
Further, the internal diameter of the prefabricated pipe culvert is 1.5-1.8m, outer diameter 1.9-2.2m, wall thickness 0.4-0.7m, institute
The length for stating prefabricated pipe culvert is 40-60m, and the spacing that every row in the prefabricated pipe culvert contains hole is 1.5-2.0m, the culvert hole
Aperture is 16cm.
Further, the prefabricated pipe culvert by rubble and medium coarse sand as aggregate and cement proportion at concrete, then use first
Grade cold-drawn low-carbon steel helical form reinforcing bar makees that reinforcing rib is prefabricated to be formed.
The utility model provides a kind of open coal mine underground reservoir, including the water storage tank and core-wall checkdam;Institute
Core-wall checkdam is stated according to Waste Dump inside Open Pit Mine position, addressing is in section boundary, the core-wall checkdam of different groundwater reservoirs
It is successively constructed towards stripping area direction;The water storage tank is arranged in each groundwater reservoir, and the water storage tank includes three layers of water storage tank, by
Successively alternating expression is arranged groundwater reservoir bottom storehouse upwards, and every layer of water storage tank is staggeredly stacked by 2-6 row's prefabricated pipe culvert, described
Stacking gap between prefabricated pipe culvert is filled using rubble, and multiple rows of culvert hole is arranged in the prefabricated pipe culvert, and every row contains the number in hole
It is 4-8, is uniformly arranged on the same circumference of the prefabricated pipe culvert, centre bore is set between every two rows of culvert holes, convenient for described pre-
Water guide between tubulation culvert, the prefabricated pipe culvert side wall positioned at open coal mine surrounding boundary is not provided with containing hole, to guarantee that groundwater reservoir has
Imitate water storage;Between the water storage tank and its surrounding using open coal mine In-pit dumping fill to the core-wall checkdam height phase
Together, it is equipped with water transfer pipe network between different groundwater reservoir libraries, facilitates water transfer between different groundwater reservoirs.
Further, the core-wall checkdam is concrete gravity dam or native stone gravity dam, pour and roll stage by stage and
At the width at dam crest of the core-wall checkdam is 10-15m, and dam slope angle is 87 °, dam foundation HbFor 10-15m, dam body height HNWith
The relationship that open coal mine cheats depth H is H=HNThe relationship of+10m, dam body maximum width W and open coal mine hole depth H are W=20m+ (H-
10m)/tan87°。
Further, bottom storehouse impervious barrier is arranged in the groundwater reservoir bottom storehouse, and the bottom storehouse impervious barrier uses open coal mine table
The black foundry loam of layer removing, which rolls, to be laid with.
A kind of open coal mine underground reservoir provided by the utility model is arranged inside according to Waste Dump inside Open Pit Mine position
Core-wall checkdam is built on boundary in native field along stripping area, and the core-wall checkdam of different groundwater reservoir is towards stripping area direction
It successively constructs, the operation of open coal mine In-pit dumping can effectively be combined with groundwater reservoir construction.Also, this is practical new
The open coal mine underground reservoir that type provides, using prefabricated pipe culvert as the water storage tank of open coal mine underground reservoir, water storage tank is by multilayer
Prefabricated pipe culvert stacks, and the clearance filled rubble of the stacking between prefabricated pipe culvert has stage purification effect, Er Qiejiao to water quality
The prefabricated pipe culvert of wrong formula arrangement can ensure the stability of water storage tank structure, and setting water-supply-pipe, which has, between groundwater reservoir facilitates various regions
The function of water transfer between lower storage reservoir, so that open coal mine underground reservoir is made to have the advantages that big storage capacity, construction is simple and stable structure,
Realize the safe and efficient construction of open coal mine underground reservoir.
Detailed description of the invention
Fig. 1 is a kind of sectional view of open coal mine underground reservoir water storage tank provided by the embodiment of the utility model;
Fig. 2 is a kind of plane of the prefabricated pipe culvert of open coal mine underground reservoir water storage tank provided by the embodiment of the utility model
Figure;
Fig. 3 is a kind of partial precast pipe culvert heap of open coal mine underground reservoir water storage tank provided by the embodiment of the utility model
Folded sectional view;
Fig. 4 is a kind of open coal mine underground reservoir layout of buildings structural schematic diagram provided by the embodiment of the utility model;
Fig. 5 is a kind of core-wall checkdam structural representation of open coal mine underground reservoir provided by the embodiment of the utility model
Figure;
Fig. 6 is a kind of plan view of open coal mine underground reservoir water storage tank provided by the embodiment of the utility model.
Specific embodiment
Referring to Fig. 1 and Fig. 2, the utility model provided by the embodiment of the utility model provides a kind of open coal mine underground water
Library water storage tank, water storage tank 10 includes three layers of water storage tank, by taking the water storage tank 10 in the first groundwater reservoir as an example, that is, includes 1-R1,1-
Tri- layers of water storage tank of R2,1-R3, three layers of water storage tank are spaced a distance successively alternating expression by open coal mine bottom upwards and arrange, and three
It is filled between layer water storage tank and with open coal mine In-pit dumping 50 around each layer water storage tank.
Referring to Fig. 3 and Fig. 4, every layer of water storage tank 10 is successively staggeredly stacked from bottom to top by 2-6 row's prefabricated pipe culvert 20.For
Make to stack between each prefabricated pipe culvert 20 it is stronger, the contact position of each prefabricated pipe culvert 20 using adhesives together,
It is stitched together for example, can be poured using mortar between different prefabricated pipe culverts 20.Every three prefabricated pipe culverts 20 are stacked
It is filled using rubbles 30 such as gravel or rubbles in the stacking gap of formation.Multiple rows of culvert hole 21, every row are set in every prefabricated pipe culvert 20
The number in culvert hole 21 is 4-8, and each aperture for containing hole 21 is 16cm, and it is same that every row's culvert hole 21 is uniformly arranged on prefabricated pipe culvert 20
On circumference, as a kind of specific embodiment of the utility model, the number that every row in every prefabricated pipe culvert 20 contains hole 21 is set
It is set to 6, each culvert hole 21 with radial angle is mutually 60 degree, and along 20 outer wall of prefabricated pipe culvert to be evenly arranged in prefabricated pipe culvert 20 same
On circumference.Every two rows of spacing for containing hole 21 in every prefabricated pipe culvert 20 are 1.5-2.0m, every two rows of centres contained between hole 21
Position is equipped with centre bore 22, and the aperture of centre bore 22 is also configured as 16cm, convenient for water guide between each prefabricated pipe culvert 20.And
And in order to guarantee groundwater reservoir live storage, it is not provided with containing hole positioned at 20 side wall of prefabricated pipe culvert of open coal mine surrounding boundary
21, to prevent the water in water storage tank 10 from oozing out to groundwater reservoir surrounding.Wherein, prefabricated pipe culvert 20 be with the coarse aggregates such as rubble and in
Then the fine aggregates such as coarse sand add water and stir into concrete as aggregate with cement proportion, then with spiral helicine first class cold-drawn low-carbon
Steel reinforcing bar makees that reinforcing rib is prefabricated to be formed.The internal diameter of prefabricated pipe culvert 20 is 1.5-1.8m, outer diameter 1.9-2.2m, wall thickness 0.4-
0.7m, different according to the length of the internal dumping of the open coal mine for building groundwater reservoir, the length of prefabricated pipe culvert 20 is usual
It is designed as 40-60m.
Referring to Fig. 5, the utility model provides a kind of open coal mine underground reservoir, including water storage tank 10 and core-wall
Checkdam 40.The core-wall checkdam 40 be arranged in Waste Dump inside Open Pit Mine compliance stripping area boundary position, differently under
The core-wall checkdam 40 of reservoir is successively constructed towards stripping area direction.Water storage tank 10 includes three layers of water storage tank, with the first underground water
For water storage tank 10 in library, that is, include tri- layers of water storage tank of 1-R1,1-R2,1-R3, three layers of water storage tank from open coal mine bottom to
On be spaced a distance successively alternating expression arrangement, with row in open coal mine between three layers of water storage tank and around each layer water storage tank
Soil 50 is filled.Every layer of water storage tank is successively staggeredly stacked from bottom to top by 2-6 row's prefabricated pipe culvert 20.In order to make each prefabricated pipe culvert
What is stacked between 20 is stronger, and the contact position of each prefabricated pipe culvert 20 uses adhesives together.Every three prefabricated pipe culverts 20
The stacking gap to be formed be stacked using the filling of the rubbles 30 such as gravel or rubble.Multiple rows of culvert is set in every prefabricated pipe culvert 20
The number in hole 21, every row's culvert hole 21 is 4-8, and each aperture for containing hole 21 is 16cm, and every row's culvert hole 21 is uniformly arranged on prefabricated
On the same circumference of pipe culvert 20.Every two rows of spacing for containing hole 21 in every prefabricated pipe culvert 20 are 1.5-2.0m, every two rows of culvert holes 21
Between middle position be equipped with centre bore 22, the aperture of centre bore 22 is also configured as 16cm, convenient for water guide between prefabricated pipe culvert 20.
Also, in order to guarantee groundwater reservoir live storage, 20 side wall of prefabricated pipe culvert positioned at open coal mine surrounding boundary is not provided with containing
Hole 21, to prevent the water in water storage tank 10 from oozing out to groundwater reservoir surrounding.One layer of the top water storage tank in three layers of water storage tank 10
Height and the height of the core-wall checkdam 40 of groundwater reservoir maintain an equal level.As a kind of specific embodiment of the utility model, each
The water storage tank 10 of groundwater reservoir, three layers of water storage tank by hole bottom, successively arrange upwards by alternating expression, the friendship between each layer water storage tank 10
Wrong height is designed as 3.8m, the i.e. height of about two layers of prefabricated pipe culvert 20 stacking.Between every layer of water storage tank 10 and each layer stores up
Using the chiltern dirt of open coal mine surface layer removing, loess, the In-pit dumpings 50 such as smolmitza from bottom storehouse to earth's surface around water body 10
It is sequentially filled to core-wall checkdam 40 and highly maintains an equal level, solve open coal mine In-pit dumping transfer tasks and built with groundwater reservoir construction
Coordination problem between if.In addition, passing through 60 connection of water-supply-pipe between the different layers water storage tank 10 of each groundwater reservoir.And no
Form water transfer pipe network with the water-supply-pipe for being also provided with mutual connection between underground water Kuku, with facilitate between different groundwater reservoirs water intaking with
Water transfer.
Referring to Fig. 6, core-wall checkdam 40 is concrete gravity dam or native stone gravity dam, pours and rolls stage by stage,
The width at dam crest of the core-wall enrockment checkdam 40 is 10-15m, and dam slope angle is 87 °, in order to keep core-wall checkdam stronger steady
Fixed, the dam foundation, and dam foundation H is arranged in the core-wall enrockment checkdam 40 of each groundwater reservoirbIt is designed as 10-15m, the height H of dam bodyNIt presses
Relationship with open coal mine hole depth H is H=HN+ 10m is designed, and dam body maximum width W and the relationship of open coal mine hole depth H are pressed
Formula W=20m+ (H-10m)/tan87 ° is designed.
It is anti-to be additionally provided with bottom storehouse in groundwater reservoir bottom storehouse to permeating under stratum for the underground water of groundwater reservoir bottom in order to prevent
Infiltration layer 70, bottom storehouse impervious barrier 70 are rolled using In-pit dumpings such as the black foundry loams of open coal mine surface layer removing and are laid with, further solved
The coordination problem determined between open coal mine In-pit dumping transfer tasks and groundwater reservoir construction.
It should be noted last that the above specific embodiment is only to illustrate the technical solution of the utility model rather than limits
System, although the utility model is described in detail referring to example, those skilled in the art should understand that, it can be right
The technical solution of the utility model is modified or replaced equivalently, without departing from the spirit and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (6)
1. a kind of open coal mine underground reservoir water storage tank, it is characterised in that: the water storage tank includes three layers of water storage tank, by underground water
Successively alternating expression is arranged upwards at Kuku bottom, and between the water storage tank and its surrounding is filled using open coal mine In-pit dumping, every layer of institute
It states water storage tank to be staggeredly stacked by 2-6 row's prefabricated pipe culvert, the stacking gap between the prefabricated pipe culvert is filled using rubble, institute
It states and multiple rows of culvert hole is set in prefabricated pipe culvert, the number that every row contains hole is 4-8, is uniformly arranged on the same circumference of the prefabricated pipe culvert
On, centre bore is set between every two rows of culvert holes, convenient for water guide between the prefabricated pipe culvert, positioned at the pre- of open coal mine surrounding boundary
Tubulation contains side wall and is not provided with containing hole, to guarantee groundwater reservoir live storage.
2. open coal mine underground reservoir water storage tank according to claim 1, it is characterised in that: the internal diameter of the prefabricated pipe culvert
For 1.5-1.8m, outer diameter 1.9-2.2m, wall thickness 0.4-0.7m, the length of the prefabricated pipe culvert is 40-60m, the prefabricated pipe
The spacing that every row in culvert contains hole is 1.5-2.0m, and the aperture for containing hole is 16cm.
3. open coal mine underground reservoir water storage tank according to claim 1, it is characterised in that: the prefabricated pipe culvert setting is used
Make the first class cold-drawn low-carbon steel helical form reinforcing bar of reinforcing rib.
4. a kind of open coal mine underground reservoir, it is characterised in that: including the described in any item water storage tanks of claim 1-3, and
Core-wall checkdam;The core-wall checkdam is according to Waste Dump inside Open Pit Mine position, and addressing is in section boundary, different groundwater reservoirs
Core-wall checkdam successively constructed towards stripping area direction;The water storage tank is arranged in each groundwater reservoir, and the water storage tank includes
Three layers of water storage tank, by groundwater reservoir bottom storehouse, successively alternating expression is arranged upwards, and every layer of water storage tank is interlocked by 2-6 row's prefabricated pipe culvert
It stacks, the stacking gap between the prefabricated pipe culvert is filled using rubble, multiple rows of culvert hole is arranged in the prefabricated pipe culvert, often
The number that row contains hole is 4-8, is uniformly arranged on the same circumference of the prefabricated pipe culvert, and every two rows, which are contained, is arranged center between hole
Hole, convenient for water guide between the prefabricated pipe culvert, the prefabricated pipe culvert side wall positioned at open coal mine surrounding boundary is not provided with containing hole, to protect
Demonstrate,prove groundwater reservoir live storage;Between the water storage tank and its surrounding is filled to the core-wall using open coal mine In-pit dumping and is kept off
Dam height is identical, and water transfer pipe network is equipped between different groundwater reservoir libraries, facilitates water transfer between different groundwater reservoirs.
5. open coal mine underground reservoir according to claim 4, it is characterised in that: the core-wall checkdam is concrete weight
Power dam or native stone gravity dam, pour stage by stage and roll, and the width at dam crest of the core-wall checkdam is 10-15m, dam slope angle
Degree is 87 °, dam foundation HbFor 10-15m, dam body height HNRelationship with open coal mine hole depth H is H=HN+ 10m, dam body maximum width
The relationship of W and open coal mine hole depth H are W=20m+ (H-10m)/tan87 °.
6. open coal mine underground reservoir according to claim 4, it is characterised in that: bottom storehouse is arranged in the groundwater reservoir bottom storehouse
Impervious barrier, the bottom storehouse impervious barrier are rolled using the black foundry loam of open coal mine surface layer removing and are laid with.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109057861A (en) * | 2018-08-28 | 2018-12-21 | 清华大学 | A kind of open coal mine underground reservoir, reservoir water storage tank and reservoir capacity calculation method |
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2018
- 2018-08-28 CN CN201821389930.0U patent/CN209398450U/en not_active Withdrawn - After Issue
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109057861A (en) * | 2018-08-28 | 2018-12-21 | 清华大学 | A kind of open coal mine underground reservoir, reservoir water storage tank and reservoir capacity calculation method |
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Granted publication date: 20190917 Effective date of abandoning: 20230704 |
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Granted publication date: 20190917 Effective date of abandoning: 20230704 |