CN207452878U - A kind of collector pipe for possessing mudcake function - Google Patents

Abstract

The utility model discloses a kind of collector pipes for possessing mudcake function, include catchment tube body and casing, casing is sheathed on the outside for the tube body that catchments, the internal diameter of casing is equal to the outer diameter for the tube body that catchments, and is provided with draught line on casing so that realizing axial movement of the casing along the tube body that catchments during draught line is drawn.The utility model is removed the mudcake of collector pipe outer body wall to realize by catchmenting the relative motion between tube body and casing, the mode of this place to go mudcake is simple, without quoting complicated external devices, without significantly changing the structure for the tube body that catchments, do not influence to catchment the normal work of tube body, and mudcake can be removed while tube body work is catchmented, the tube body that need not will catchment takes out from tailing mud and operates carrying out mudcake, reduce the process of mudcake, human and material resources and time cost are reduced, ensure that the continuity of discharging consolidation.

Description

A kind of collector pipe for possessing mudcake function

Technical field

The utility model is related to discharging consolidation equipment technical field more particularly to a kind of possess catchmenting for mudcake function Pipe.

Background technology

Tailings Dam, which refers to build a dam, intercepts the mouth of a valley or exclosure forms, to store up the place of tailing or other industrial residues, It is that bargh produces mating infrastructure, while is also an artificial mud-rock flow danger source with high potential energy.Due to spy Different tailing heap row's technique and storage environment, cause in Tailings Dam that long-term ponding is serious, the sludge degree of consolidation is extremely low, dam body infiltrates Line is higher, so that collapse of dam, karst region spoil disposal storehouse mud the leakage even Tailings Dams disaster accident such as dam break take place frequently.

Either upstream type tailing dam is due to dam break, cave-in accident or karst region spoil disposal caused by seepage failure The mud leakage accident in storehouse, trace it to its cause be tailing in storehouse discharging consolidation it is slow.On the one hand, most of upstream type Tailings Dams Using Hydraulic transportation, wet method storage tailing, tailing mud has the characteristics that hypotonicity, high void ratio, high-moisture percentage, highest Moisture content is up to more than 300%；On the other hand, tailing accumulation body due to lacking effective drainage channel, causes storehouse internal water accumulation in storehouse Seriously, substantial amounts of storehouse internal water accumulation can not discharge in time, especially large-scale Tailings Dam, even if Tailings Dam disables, the tailings mud of deep layer It is still to complete to consolidate by long time, consolidation cycle is quite very long.

In order to accelerate the discharging consolidation of Tailings Dam mud, shorten consolidation cycle, so as to reduce the wind of Tailings Dam disaster accident Danger realizes Tailings Dam recycling, it is necessary to take effective discharging consolidation measure.

During using traditional discharging consolidation technical finesse Tailings Dam mud, following engineering roadblocks will necessarily be run into：Tailings mud Particle is superfine, and the permeability of the appositional pattern Muddy Bottoms tailings mud itself formed through settlement action of conducting oneself with dignity is low, and seepage flow speed is slow, no Beneficial to moisture from vertical drainage body（Predominantly collector pipe）Discharge；With the progress of drainage procedure, the pore water pressure of tailings mud It dribbles, soil body effective stress increases, and tailings mud starts to develop towards the direction of consolidation, shows as becoming more closely knit, tail The infiltration coefficient of sludge continuously decreases, and drainage rates are slower；In drainage procedure, the fine particle of tailings mud is in seepage effect Gradually assemble to displacement hull down, the mudcake of a circle hypotonicity is formed around displacement hull, drainage channel is caused to block, serious shadow Ring drainage effect.

In discharging consolidation problem listed above, tailings mud is because infiltration coefficient change is difficult caused by itself consolidation To avoid, the formation of mudcake is undoubtedly the principal element for hindering discharging consolidation around displacement hull, while the removal of mudcake is existing such as The present can only rely on artificial manual operation removal after lifting collector pipe.Therefore, active demand one kind energy when drainage rates are slowed by Enough draining consolidating apparatus for voluntarily striking off mudcake and recovering draining process.

Utility model content

For above deficiency, the utility model provides a kind of collector pipe for possessing mudcake function, to realize collector pipe During discharging consolidation lateral wall mudcake go divided by ensure discharging consolidation it is efficient, be smoothed out.

In order to achieve the above objectives, the utility model adopts the following technical solution：

A kind of collector pipe for possessing mudcake function, includes catchment tube body and casing, and described sleeve pipe is sheathed on described It catchments the outside of tube body, the internal diameter of described sleeve pipe is equal to the outer diameter of the tube body that catchments, traction is provided in described sleeve pipe Line during the draught line is drawn so that realize the axial movement for the tube body that catchments described in described sleeve pipe edge.

Further, the draught line is 2-4 roots, is uniformly distributed in top or the lateral wall of described sleeve pipe.

Further, the draught line is steel strand wires.

Further, the bottom of the tube body that catchments is enclosuring structure.

Further, the bottom of the tube body that catchments is up big and down small cone-shaped structure.

Further, the guide groove being axially distributed along the collector pipe body, the collection are provided on described sleeve pipe madial wall Water-pipe body is fixedly installed guide block that is corresponding with the guide groove, matching on bottom outside wall.

Further, the upper surface of described sleeve pipe is low inside and high outside ramp structure.

Compared with prior art, the beneficial effects of the utility model are：The utility model proposes one kind to possess mudcake work( The collector pipe of energy, is gone the mudcake of collector pipe outer body wall to realize by catchmenting the relative motion between tube body and casing It removes, the mode of this place to go mudcake is simple, without quoting complicated external devices, without significantly changing the knot for the tube body that catchments Structure, the normal work for the tube body that do not influence to catchment, and mudcake can be removed while tube body work is catchmented, without that will catchment Tube body takes out from tailing mud to carry out mudcake and operates again, reduces the process of mudcake, reduce human and material resources and Time cost ensure that the continuity of discharging consolidation.

Description of the drawings

It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described.

Fig. 1 is the structure diagram of the utility model；

Fig. 2 is the axial sectional diagrammatical view illustration of Fig. 1.

Wherein, it is labeled as shown in figure：1：Catchment tube body；2：Casing；3：Draught line；4：Guide groove；5：Guide block.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe.Obviously, the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts All other embodiments obtained shall fall within the protection scope of the present invention.

Referring to Fig.1 and 2, the utility model preferred embodiment provides a kind of collector pipe for possessing mudcake function, Include catchment tube body 1 and casing 2, casing 2 is sheathed on the outside for the tube body 1 that catchments, and the internal diameter of casing 2 is equal to collector pipe sheet The outer diameter of body 1 is fixedly installed draught line 3 on casing 2 so that realizing casing 2 along collector pipe during draught line 3 is drawn The axial movement of body 1.

The discharging consolidation of tailing mud is mainly catchmented by collector pipe to realize, then will concentrate at feedwater by water plug Water in pipe is taken away, finally realizes discharging consolidation.In the utility model, the effect for the tube body 1 that catchments is exactly conventional collector pipe Effect, offers permeable hole on 1 side wall of tube body that catchments, and outside is enclosed with filter cloth, the ponding in tailing mud by filter cloth and Permeable hole is into catchmenting inside tube body 1, then takes away by water plug to realize discharging consolidation.

When the utility model is implemented, axial movement of the casing 2 along the tube body 1 that catchments is realized by drawing draught line 3, because It is equal to the outer diameter for the tube body 1 that catchments for the internal diameter of casing 2, therefore in process of the casing 2 along the axial movement for the tube body 1 that catchments In, the upper surface of casing 2 can scrape the mudcake for being attached to 1 lateral wall of tube body that catchments to realize that mudcake removes, so as to ensure Discharging consolidation it is efficient, be smoothed out.In discharging consolidation, the tube body 1 that catchments is fixed, and be substantially vertically arranged, Therefore only need to draw draught line 3 to realize that the axial movement of casing 2 along the tube body 1 that catchments achieves that mudcake removes.It leads The traction of lead 3 can pass through the devices such as external hoist engine（Instrument）It realizes, passes through the tightenings such as hoist engine（It batches）Draught line 3 The axial direction that casing 2 along the tube body 1 that catchments can be achieved above carries removing mudcake, after mudcake removal, unclamps draught line 3 in itself weight Power effect setting of casing 2 can fall, and the top of casing 2 finally be made to be located at the bottom position for the tube body 1 that catchments, so as to not influence to catchment The proper drainage consolidation work of tube body 1.

In a preferred embodiment, draught line 3 is 2-4 roots, is uniformly distributed in top or the lateral wall of casing 2, traction The fixed form of line 3 and casing 2 can be welding, bundle either by setting lifting lug on the top of casing 2 or lateral wall Draught line 3 is bundled on lifting lug again.Fig. 1 is refer to, draught line 3 is 2 in this preferred embodiment, is dug by binding Hole on 2 lateral wall of casing is fixedly connected with casing 2.Equally distributed draught line 3 can ensure to cover in 3 distraction procedure of draught line 2 stress equalization of pipe and smooth above carry.Draught line 3 is steel strand wires.Steel strand wires intensity is high, and bearing capacity is strong, can guarantee and was drawing It is not broken in journey.

Referring to Fig.1 and 2, the bottom for the tube body 1 that catchments is enclosuring structure, and it is upper in this preferred embodiment Small cone-shaped structure under big.Enclosuring structure in 2 dropping process of casing primarily to reduce resistance of the tailing mud to casing 2 Power is to ensure the smooth reset of casing 2.It is more highly preferred to, the bottom for the tube body 1 that catchments is up big and down small cone-shaped structure, more Be conducive to whereabouts of the casing 2 after mudcake is removed.

In this preferred embodiment, Fig. 2 is refer to, is provided on 2 madial wall of casing along the axial distribution of the tube body 1 that catchments Guide groove 4, the tube body 1 that catchments is fixedly installed guide block 5 that is corresponding with guide groove 4, matching on bottom outside wall.Guide groove 4 The upper surface of casing 2 is not extend to, during casing 2 is axially moved along the tube body 1 that catchments, the fortune in guide groove 4 of guide block 5 It is dynamic.It falls after casing 2 removes mudcake, after 4 top of guide groove is in contact with guide block 5, casing 2 can not continue along the tube body that catchments 1 is axially moved（To whereabouts）, casing 2, which is suspended on, at this time catchments on tube body 1, will not so as to eliminate the traction of draught line 3 Continue toward whereabouts.Guide groove 4 can be for one or multiple（Such as 2-4）, when guide groove 4 is multiple, guide groove 4 is in casing 2 It is uniformly distributed on madial wall, the quantity of guide block 5 is equal to the quantity of guide groove 4.Multiple guide grooves 4 are conducive to casing 2 along collector pipe sheet Equilibrium is accepted in 1 motion process of body, so as to ensure above carrying or falling for casing 2.

In this preferred embodiment, referring to Fig.1 and 2, the upper surface of casing 2 is low inside and high outside ramp structure. During 2 upper surface of casing is used to go mudcake, mudcake can be deposited on the upper surface of casing 2, until mudcake reaches centainly It drops after quantity.And the accumulation of mudcake has not for the removal of the mudcake of the movement and 1 lateral wall of tube body that catchments of casing 2 The influence of profit, therefore the upper surface for passing through casing 2 is low inside and high outside this design of ramp structure, is contributed in 2 upper end of casing During mudcake is gone in face, mudcake directly drops with the movement of casing 2 without the upper surface for being piled up in casing 2, final to ensure The effectively removing of mudcake.

The above is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to In this, in the technical scope that any one skilled in the art discloses in the utility model, the change that can readily occur in Change or replace, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with described Subject to scope of the claims.

Claims (7)

1. a kind of collector pipe for possessing mudcake function, includes the tube body that catchments（1）And casing（2）, it is characterised in that：It is described Casing（2）It is sheathed on the tube body that catchments（1）Outside, described sleeve pipe（2）Internal diameter be equal to the tube body that catchments（1）'s Outer diameter, described sleeve pipe（2）On be provided with draught line（3）So that drawing the draught line（3）Described sleeve pipe is realized in the process （2）Catchment tube body described in（1）Axial movement.

2. the collector pipe according to claim 1 for possessing mudcake function, it is characterised in that：The draught line（3）For 2-4 Root is uniformly distributed in described sleeve pipe（2）Top or lateral wall.

3. the collector pipe according to claim 1 or 2 for possessing mudcake function, it is characterised in that：The draught line（3）For Steel strand wires.

4. the collector pipe according to claim 1 for possessing mudcake function, it is characterised in that：The tube body that catchments（1） Bottom be enclosuring structure.

5. the collector pipe according to claim 4 for possessing mudcake function, it is characterised in that：The tube body that catchments（1） Bottom be up big and down small cone-shaped structure.

6. the collector pipe according to claim 1 for possessing mudcake function, it is characterised in that：Described sleeve pipe（2）Madial wall On be provided with along the tube body that catchments（1）The guide groove being axially distributed（4）, the tube body that catchments（1）On bottom outside wall It is fixedly installed and the guide groove（4）Guide block that is corresponding, matching（5）.

7. the collector pipe according to claim 1 for possessing mudcake function, it is characterised in that：Described sleeve pipe（2）Upper end Face is low inside and high outside ramp structure.