CN109811728A - One kind being used for tailing Kuku surface self-adaption assembled discharge conduit - Google Patents
One kind being used for tailing Kuku surface self-adaption assembled discharge conduit Download PDFInfo
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- CN109811728A CN109811728A CN201910182591.1A CN201910182591A CN109811728A CN 109811728 A CN109811728 A CN 109811728A CN 201910182591 A CN201910182591 A CN 201910182591A CN 109811728 A CN109811728 A CN 109811728A
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- self weight
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- drainage ditch
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Abstract
The invention discloses one kind to be used for tailing Kuku surface self-adaption assembled discharge conduit, belong to Tailings Dam environment protection field, the discharge conduit is made of several segments drainage ditch unit, drainage ditch unit is set as groove structure, it is detachably connected between drainage ditch unit and drainage ditch unit, the discharge conduit is arranged on the mud of Tailings Dam, and falls into mud.Drainage ditch unit includes anti-aging layer, impervious barrier, filling hole, self weight regulating device, anchoring screw and filling capsule.Final consolidation bottom absolute altitude is sunk down by settlement adjusting system, carry out the draining of library face, discharge conduit using internal pressure impervious barrier hinge mounted formula design, can quick-replaceable impervious barrier while, can effectively avoid canal body stress caused by the uneven consolidation process of mud concentrate caused by canal body destroy.After reaching final consolidation height, channel is used as permanent pumping equipment, and solution that can be quick, economic moulds shape library face drainage problem in stream.
Description
Technical field
The present invention relates to Tailings Dam environment protection fields, more particularly to one kind to be used for tailing Kuku surface self-adaption assembled drainage ditch
Road.
Background technique
Tailings Dam is for washing the special hydraulic structure for processing remaining tailing mud to storage mineral products choosing.A large amount of tails of mixing
Sludge slurry makes Tailings Dam become the artificial mud-rock flow danger source with high potential energy, threaten the downstream masses lives and properties and
Environmental security.Traditional Tailings Dam devises flood drainage system and row's infiltration system, is only the tune flood or infiltration for solving the problems, such as Tailings Dam
Drainage problem is flowed, but the discharging consolidation problem of tailing accumulation body still exists in library, library internal water accumulation is only capable of by surface evaporation, library
The modes such as edge leakage are slowly discharged, and cause library internal water accumulation that can not be discharged, and library face water level is high.In the case, in library
The tailing degree of consolidation is at a fairly low, is chronically at the liquid-plastic state of high-moisture percentage, high void ratio, it is long-term in turn result in dam seepage line
It is excessively high, studies have shown that gently then being escaped in dam seepage line every year since the tailing dam Accidents Disasters of the excessively high initiation of saturation take place frequently
Point causes CHARACTERISTICS OF TAILINGS SAND to be lost, and forms the disasters such as quicksand, coombe；It is heavy then cause piping, even cause dam-break accident.Meanwhile it is domestic
Outer a large amount of scholars study Tailings Dam improvement, are handled, are obtained for example, by using technologies such as lime pile, microorganism consolidations
Preferable treatment effect, but the above research is all based on tailing Kuku face and does not have the experiment carried out in the case where ponding immersion to grind
Study carefully, therefore the water in tailing Kuku face should be drained, while avoiding rainfall that ponding is caused to impregnate library face for a long time.
But tailing mud water content is larger with different zones and the accumulation time difference opposite sex, and surface is in fluidised form, and structural strength becomes
In zero.Under the conditions of natural packing, the discharging consolidation of alumina tailing mud has little effect, and stops discharge more than ten years rear surface tailing
Mud is still in liquid-plastic state, and substantially without bearing capacity, people can not march into the arena with machinery, and traditional pumping equipment is caused to build means
It can not carry out in tailing Kuku face.It is utilized to the improvement in spoil disposal library and brings extreme difficulty.
Summary of the invention
The purpose of the present invention is to provide one kind to be used for tailing Kuku surface self-adaption assembled discharge conduit, solves existing tail
Mine library can not solve the technical issues of stream modeling shape library face draining.
One kind being used for tailing Kuku surface self-adaption assembled discharge conduit, and the discharge conduit is by several segments drainage ditch unit
Composition, drainage ditch unit are set as groove structure, are detachably connected between drainage ditch unit and drainage ditch unit, the drainage ditch
Road is arranged on the mud of Tailings Dam, and falls into mud；
Drainage ditch unit includes anti-aging layer, impervious barrier, filling hole, self weight regulating device, anchoring screw and filling capsule, institute
The bottom that self weight regulating device is arranged in filling capsule is stated, the impervious barrier is laid in self weight regulating device, the anti-aging layer
It is laid on impervious barrier, the filling hole is connected to through impervious barrier and self weight regulating device with filling capsule, and the anti-aging layer is prevented
Infiltration layer is fixedly connected with the both ends of self weight regulating device by anchoring screw.
Further, the self weight regulating device includes solidifying and setting layer and self weight regulation room, and the solidifying and setting layer is set
It is set to groove structure, on filling capsule, the self weight regulation room is laid on solidifying and setting layer the solidifying and setting layer pad.
Further, the self weight regulation room includes self weight regulation room ontology, material passing tube, filling preformed hole and sealing spiral shell
Nail, hollow structure built in the self weight regulation room ontology, and it is filled with air and/or sinking material, the material passing tube setting is certainly
The both sides of weight regulation room ontology are simultaneously connected to self weight regulation room ontology, and the sealing screw setting is passed through on mouth in material passing tube to be sealed
Setting, the filling preformed hole setting is on self weight regulation room ontology, and the filling hole is through filling preformed hole.
Further, the connecting band that is internally provided with of the regulation room ontology of being self-possessed, the connection band connection self weight are adjusted
The upper and lower level body of room ontology.
Further, the filling capsule bottom is embedded in ground soil, and the filling is intracapsular to be filled with mixed mud, the filling capsule
It is set as telescopic pouch.
Further, the intracapsular portion of filling is coated with antitack agent, and the interior survey and bonding mixed mud for filling capsule do not bond setting.
Further, drainage ditch unit is arranged in there are four capsule, four filling capsules are filled in each drainage ditch unit setting
Bottom four corners position.
Further, setting connection hook, snap-gauge, kerve and pull rod on the solidifying and setting layer, two connections hook setting and exist
The two sides of the solidifying and setting layer other end are arranged in the two sides of solidifying and setting layer one end, two snap-gauges, and connection hooks and another drainage ditch
The snap-gauge of unit engages setting, and kerve and pull rod are separately positioned on the both ends middle position of solidifying and setting layer, kerve and another row
The pull rod of water channel unit snaps connection.
Further, anti-aging layer includes the flexible side of anti-aging layer and anti-aging layer draining frame, and the anti-aging layer is flexible
The telescopic both sides that anti-aging layer draining frame is arranged in side, are arranged Telescopic Fixed bolt and fix.
Further, self weight regulating device includes the fixed bottom frame of self weight regulating device and the flexible side of self weight regulating device, institute
The telescopic both sides that the fixed bottom frame of regulating device of being self-possessed is set in the flexible side of self weight regulating device are stated, and are stretched admittedly by setting
Determine bolt to fix.
Present invention employs above-mentioned technical proposal, the present invention is had following technical effect that
Pumping equipment is sunk down into final consolidation bottom absolute altitude by settlement adjusting system by the present invention, carries out the draining of library face, row
Water channel road is designed using internal pressure impervious barrier hinge mounted formula, can quick-replaceable impervious barrier while, can effectively avoid mud uneven
Canal body caused by canal body stress caused by even consolidation process is concentrated destroys, and in the process that Tailings Dam mud gradually consolidates, works as surface
Consolidation removes the side plate of channel lower than after intake tunnel, allows the water to enter in discharge conduit, is reaching final consolidation height
Afterwards, channel is used as permanent pumping equipment, and solution that can be quick, economic moulds shape library face drainage problem in stream.
Detailed description of the invention
Fig. 1 is crosscutting sectional view of the invention.
Fig. 2 is longitudinal sectional sectional view of the invention.
Fig. 3 is top view of the invention.
Fig. 4 is bottom view of the invention.
Fig. 5 is connecting-piece structure schematic diagram of the invention.
Fig. 6 is self weight regulating device structural schematic diagram of the invention.
Fig. 7 is the crosscutting sectional view of another embodiment of the present invention.
Figure label: 1, anti-aging layer；2, impervious barrier；3, hole is filled；4, self weight regulating device；4.1, connecting band；4.2,
Solidifying and setting layer；4.3, self weight regulation room；4.4, material passing tube；4.5, preformed hole is filled；5, anchoring screw；6, screw is sealed；7,
Fill capsule；8, connection hooks；9, snap-gauge；10, kerve；11, pull rod；12, the flexible side of anti-aging layer；13, anti-aging layer drains frame；
14, the fixed bottom frame of self weight regulating device；15, the flexible side of self weight regulating device；16, Telescopic Fixed bolt.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, referring to the drawings and preferred reality is enumerated
Example is applied, the present invention is described in more detail.However, it is necessary to illustrate, many details listed in specification are only to be
Reader is set to have a thorough explanation to one or more aspects of the present invention, it can also be with even without these specific details
Realize the aspects of the invention.
As shown in Figure 1, according to the present invention a kind of for tailing Kuku surface self-adaption assembled discharge conduit sectional view, institute
It states discharge conduit to be made of several segments drainage ditch unit, drainage ditch unit is set as groove structure, drainage ditch unit and drainage ditch
It is detachably connected between unit, the discharge conduit is arranged on the mud of Tailings Dam, and falls into mud.The length of drainage ditch unit
Generally two meters of degree, specific length is arranged according to specific demand.
Drainage ditch unit includes anti-aging layer 1, impervious barrier 2, filling hole 3, self weight regulating device 4, anchoring screw 5 and filling
The bottom of self weight regulating device 4 is arranged in capsule 7, the filling capsule 7, and the impervious barrier 2 is laid in self weight regulating device 4, institute
It states anti-aging layer 1 to be laid on impervious barrier 2, the filling hole 3 connects through impervious barrier 2 and self weight regulating device 4 and filling capsule 7
Logical, the anti-aging layer 1, impervious barrier 2 are fixedly connected with the both ends of self weight regulating device 4 by anchoring screw 5.Pass through past filling
Fill mixed mud in capsule 7, can further promote the height of entire drainage ditch, toward self weight regulating device 4 in fill sand or
The adjusting of automatic lifting can be may be implemented in the past downward in land drainage road of drainage ditch by person's others rubble etc..
Regulating device 4 of being self-possessed in the embodiment of the present invention includes solidifying and setting layer 4.2 and self weight regulation room 4.3, the solidification
Setting layer 4.2 is set as groove structure, and on filling capsule 7, the self weight regulation room 4.3 is laid with the pad of solidifying and setting layer 4.2
On solidifying and setting layer 4.2.Solidifying and setting layer 4.2 is provided mainly to the structure of discharge conduit, constitutes a groove and is then self-possessed
The drainage that solidifying and setting layer 4.2 also forms a groove is arranged in regulation room 4.3.Solidifying and setting layer 4.2 generally uses aluminium flake
Production is made using the plastics of hard.
Regulation room 4.3 of being self-possessed includes self weight regulation room ontology, material passing tube 4.4, filling preformed hole 4.5 and sealing screw 6, institute
Hollow structure built in self weight regulation room ontology is stated, and is filled with air and/or sinking material, the setting of material passing tube 4.4 is being self-possessed
The both sides of regulation room ontology are simultaneously connected to self weight regulation room ontology, and the setting of sealing screw 6 is passed through close on mouth in material passing tube 4.4
Envelope setting, the setting of filling preformed hole 4.5 is on self weight regulation room ontology, and the filling hole 3 is through filling preformed hole 4.5.
Material passing tube 4.4 for be passed through air or be passed through sand perhaps rubble as needed decline or rise carry out addition air
Or material.It when tailing mud is excessive, needs to be added the height that air promotes entire drainage, prevents from being poured by mud, such as
Fruit have it is some need that rubble etc. is added in this section when there is convex barrier draining so that sinking.
Self weight regulation room ontology is internally provided with connecting band 4.1, the connection of the connecting band 4.1 self weight regulation room ontology
Upper and lower level body.
7 bottom of capsule is filled in the embodiment of the present invention and is embedded in ground soil, is filled with mixed mud in the filling capsule 7, it is described to fill out
It fills capsule 7 and is set as telescopic pouch.Antitack agent is coated with inside the filling capsule 7, the interior survey for filling capsule 7 and bonding mixed mud are not
Bonding setting.The bottom four of drainage ditch unit is arranged in there are four capsule 7, four filling capsules 7 are filled in each drainage ditch unit setting
Angle Position.Filling capsule 7 is mainly the height for promoting the vertical direction of entire drainage, so that not poured by mud, having can
Repeatedly to add the effect repeatedly promoted.
Setting connection hooks 8, snap-gauge 9, kerve 10 and pull rod 11, two companies on solidifying and setting layer 4.2 in the embodiment of the present invention
It connecing and hooks 8 two sides that 4.2 one end of solidifying and setting layer is set, the two sides of 4.2 other end of solidifying and setting layer are arranged in two snap-gauges 9,
Connection hooks 8 and engages setting with the snap-gauge 9 of another drainage ditch unit, and kerve 10 and pull rod 11 are separately positioned on solidifying and setting layer 4.2
Both ends middle position, kerve 10 and the pull rod 11 of another drainage ditch unit snap connection.It, can by being set as the structure of clamping
To be put and be installed well.
Anti-aging layer 1 includes the flexible side 12 of anti-aging layer in the embodiment of the present invention and anti-aging layer drains frame 13, described anti-
The telescopic both sides that anti-aging layer draining frame 13 is arranged in the flexible side 12 of aging layer, it is fixed to be arranged Telescopic Fixed bolt 16.Self weight
Regulating device 4 includes the fixed bottom frame 14 of self weight regulating device and the flexible side 15 of self weight regulating device, and the self weight regulating device is stretched
The telescopic both sides that the fixed bottom frame 14 of self weight regulating device is set of cissing 15, and it is fixed by the way that Telescopic Fixed bolt 16 is arranged.
After surface consolidation is lower than intake tunnel, the side plate of channel is shunk, allows the water to enter in discharge conduit.Wherein, anti-aging
The draining of layer draining frame 13 is horizontal lower than the level after sludge consolidating, so as to ensure that water energy reaches smooth outflow, simultaneous retractable
Anti-aging layer is flexible at 12 and flexible self weight regulating device 15, so that the frame on both sides can satisfy wanting for the sagging flowing water of mud
It asks.
Canal body is made of anti-aging plastics, first carries out grooving using mechanical with traditional gutter construction technology,
Then drainage ditch difference is manually built in slot, this patent uses large-strain consolidation theory, and it is finally solid first to calculate tailing mud
Pumping equipment is sunk down into final consolidation bottom absolute altitude by settlement adjusting system, carries out library face by knot amount (existing calculation)
Draining, discharge conduit using internal pressure impervious barrier hinge mounted formula design, energy quick-replaceable impervious barrier while, can effectively avoid mud
Canal body caused by canal body stress caused by uneven consolidation process is concentrated is starched to destroy.In the process that Tailings Dam mud gradually consolidates,
After surface consolidation is lower than intake tunnel, the side plate of channel is shunk, allows the water to enter in discharge conduit.It is final solid reaching
After tying height, channel is used as permanent pumping equipment.The application of this patent, solution that can be quick, economic mould shape library in stream
Face drainage problem.
Principle: the use of the new type is a kind of adaptive assembled discharge conduit applied to tailing Kuku face.Channel uses
Assembled design, every section of channel is 2 meters long, is hingedly attached between every section of channel by screw, with traditional channel ratio, assembled
Design it is not only safely and fast easy, but also the stress collection caused by avoiding because of Tailings Dam sludge consolidating around channel in channel
In, caused by channel crack conditions occur.Channel is made of light-duty anti-aging plastics, has light, anti-aging feature.?
In the unconsolidated situation of mud, channel can be swum on tailing mud, by adjusting water entering surface, carry out the draining of library face；Solid
During knot, channel is used as sludge consolidating is embedded into mud as permanent pumping equipment.It is arranged in every section of channel flexible
Waterproof material is used for the antiseepage of channel, and every section of flexible barrier layers and adjacent antiseepage interlayer have the lap of splice of 0.5m；Simultaneously at certain
When section canal seepage layer failure, anti-aging layer 1 can be split out, replace flexible barrier layers, then installed back again with by anti-aging layer 1
It goes, realizes the quick reparation of the antiseepage function of discharge conduit, upper and lower two cell blocks are fixed by anchoring screw.Dress self weight
It is provided with self weight regulation room in regulating device 2, the height of tailing mud surface is swum in for adjusting channel, by regulation room
In pour into the weight of certain mass, realize that channel looks for slope in tailing mud, so that library face water is effectively discharged.
This patent is a kind of for Tailings Dam assembled gradient adjustable library face discharge conduit.Canal body uses anti-aging plastics
It is made, first carries out grooving using mechanical with traditional gutter construction technology, drainage ditch is then manually built in slot
Difference, this patent use large-strain consolidation theory, first calculate the final amounts of consolidation of tailing mud, and pumping equipment is adjusted by sedimentation
System sinks down into final consolidation bottom absolute altitude, carries out the draining of library face, and discharge conduit is designed using internal pressure impervious barrier hinge mounted formula, energy
While quick-replaceable impervious barrier, canal body caused by capable of effectively avoiding canal body stress caused by the uneven consolidation process of mud from concentrating
It destroys.The side plate of channel is shunk after surface consolidation is lower than intake tunnel in the process that Tailings Dam mud gradually consolidates, so that
Water is able to enter in discharge conduit.After reaching final consolidation height, channel is used as permanent pumping equipment.This patent is answered
With solution that can be quick, economic moulds shape library face drainage problem in stream.
Adjustment height: first passing through large-strain consolidation theory and calculated, and calculates the final settlement of tailing mud, Jin Erji
The weight that every section of channel depth to be achieved needs is calculated, density is perfused by sedimentation surge bunker and is self-possessed greater than the substance of mud
It adjusts.Discharge conduit is settled down to designed elevation, and keeps certain hydraulic gradient.In channel lower surface, multiple sub-boxes are set
Capsule is filled, there are the unidirectional injection holes connecting with sub-box in upper surface, in channel after the degree of consolidation that mud reaches certain, such as
Water conservancy channel is unsatisfactory for drainage grade, can lift street portions region to the intracapsular injection cement of filling by injection hole, reach
Adjust the purpose of hydraulic gradient
With infiltration layer of relieving a garrison: the concentration of stress caused by infall process differential settlement damages canal body in order to prevent, this
Using hinged connection type between the every segment unit of patent.The antiseepage of hinged place carries out antiseepage using internal pressure impervious barrier.Often
Section channel is formed by upper and lower two pieces, is torn formula riveting button open by speed and is attached, lower layer's button is embedded in tailing mud, and upper layer passes through
Riveting button is connect with lower layer.It is laid with rubber impervious barrier between upper and lower level, there is the lap of splice of 0.5m between adjacent impervious barrier.It should
Antiseepage mode carries out antiseepage using internal pressure rubber impervious barrier, and rubber is flexible material, and stress collection can be eliminated together with kinge-joint knot
In, and it is damaged in use process such as impervious barrier, impervious barrier will be replaced after the fast quick-detach of superstructure, reaches and quickly repair leakage
Purpose.
Connection type: channel is connected using assembled, and each assembly unit is 2 meters long, and such design can be effective against
Canal body caused by stress caused by differential settlement is concentrated destroys.Hinged connection type is used between unit and unit.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, it can also make several improvements and retouch, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. one kind is used for tailing Kuku surface self-adaption assembled discharge conduit, it is characterised in that: the discharge conduit is by several segments
Drainage ditch unit composition, drainage ditch unit are set as groove structure, are detachably connected between drainage ditch unit and drainage ditch unit,
The discharge conduit is arranged on the mud of Tailings Dam, and falls into mud；
Drainage ditch unit includes anti-aging layer (1), impervious barrier (2), filling hole (3), self weight regulating device (4), anchoring screw (5)
With filling capsule (7), in the bottom of self weight regulating device (4), the impervious barrier (2) is laid on self weight for filling capsule (7) setting
In regulating device (4), the anti-aging layer (1) is laid on impervious barrier (2), and the filling hole (3) is through impervious barrier (2) and certainly
Reset regulating device (4) with filling capsule (7) be connected to, the anti-aging layer (1), impervious barrier (2) and self weight regulating device (4) both ends
It is fixedly connected by anchoring screw (5).
2. according to claim 1 a kind of for tailing Kuku surface self-adaption assembled discharge conduit, it is characterised in that: institute
Stating self weight regulating device (4) includes solidifying and setting layer (4.2) and self weight regulation room (4.3), solidifying and setting layer (4.2) setting
For groove structure, for solidifying and setting layer (4.2) pad in filling capsule (7), it is fixed that the self weight regulation room (4.3) is laid on solidification
On type layer (4.2).
3. according to claim 2 a kind of for tailing Kuku surface self-adaption assembled discharge conduit, it is characterised in that: institute
Self weight regulation room (4.3) is stated to include self weight regulation room ontology, material passing tube (4.4), filling preformed hole (4.5) and seal screw (6),
Hollow structure built in the self weight regulation room ontology, and it is filled with air and/or sinking material, material passing tube (4.4) setting exists
The both sides of self weight regulation room ontology are simultaneously connected to self weight regulation room ontology, and sealing screw (6) setting is logical in material passing tube (4.4)
Sealed set on entrance, on self weight regulation room ontology, the filling hole (3), which is run through, is filled out for filling preformed hole (4.5) setting
Fill preformed hole (4.5).
4. according to claim 3 a kind of for tailing Kuku surface self-adaption assembled discharge conduit, it is characterised in that: institute
Being internally provided with connecting band (4.1) for self weight regulation room ontology is stated, the connecting band (4.1) connects the upper of self weight regulation room ontology
Lower layer's body.
5. according to claim 1 a kind of for tailing Kuku surface self-adaption assembled discharge conduit, it is characterised in that: institute
Filling capsule (7) bottom insertion ground soil is stated, is filled with mixed mud in the filling capsule (7), the filling capsule (7) is set as to stretch
The pouch of contracting.
6. according to claim 5 a kind of for tailing Kuku surface self-adaption assembled discharge conduit, it is characterised in that: institute
It states and is coated with antitack agent inside filling capsule (7), the interior survey and bonding mixed mud for filling capsule (7) do not bond setting.
7. according to claim 1 a kind of for tailing Kuku surface self-adaption assembled discharge conduit, it is characterised in that: every
There are four capsule (7) are filled, the bottom four corners position of drainage ditch unit is arranged in four fillings capsule (7) for a drainage ditch unit setting.
8. according to claim 2 a kind of for tailing Kuku surface self-adaption assembled discharge conduit, it is characterised in that: institute
It states setting connection on solidifying and setting layer (4.2) and hooks (8), snap-gauge (9), kerve (10) and pull rod (11), two connections hook (8) setting
In the two sides of solidifying and setting layer (4.2) one end, two snap-gauge (9) settings are in the two sides of solidifying and setting layer (4.2) other end, connection
It hooks (8) and engages setting with the snap-gauge (9) of another drainage ditch unit, kerve (10) and pull rod (11) are separately positioned on solidifying and setting layer
(4.2) both ends middle position, kerve (10) and the pull rod (11) of another drainage ditch unit snap connection.
9. according to claim 1 a kind of for tailing Kuku surface self-adaption assembled discharge conduit, it is characterised in that: institute
Stating anti-aging layer (1) includes that stretch side (12) and anti-aging layer of anti-aging layer drains frame (13), and the anti-aging layer stretches side
(12) it is fixed that Telescopic Fixed bolt (16) are arranged on the both sides of anti-aging layer draining frame (13) in telescopic setting.
10. according to claim 1 a kind of for tailing Kuku surface self-adaption assembled discharge conduit, it is characterised in that:
The self weight regulating device (4) includes that self weight regulating device fixed bottom frame (14) and self weight regulating device are stretched side (15), described
Regulating device of being self-possessed stretches side (15) telescopic setting on the both sides of self weight regulating device fixed bottom frame (14), and passes through setting
Telescopic Fixed bolt (16) is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182591.1A CN109811728A (en) | 2019-03-12 | 2019-03-12 | One kind being used for tailing Kuku surface self-adaption assembled discharge conduit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182591.1A CN109811728A (en) | 2019-03-12 | 2019-03-12 | One kind being used for tailing Kuku surface self-adaption assembled discharge conduit |
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| CN111719661A (en) * | 2020-07-03 | 2020-09-29 | 刘小莉 | Agricultural hydraulic engineering is with stifled water drainage tank is prevented to formula of just tearing open |
| CN110747843B (en) * | 2019-11-07 | 2021-05-04 | 关士良 | Drainage reinforcing method for superfine tailing sedimentary beach |
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| CN111719661A (en) * | 2020-07-03 | 2020-09-29 | 刘小莉 | Agricultural hydraulic engineering is with stifled water drainage tank is prevented to formula of just tearing open |
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Inventor after: Ou Xiaoduo Inventor after: Jiang Jie Inventor after: Mo Peng Inventor after: Li Jiequan Inventor after: Lin Chuncai Inventor before: Ou Xiaoduo Inventor before: Lin Chuncai Inventor before: Mo Peng Inventor before: Li Jiequan Inventor before: Jiang Jie |