CN109468999A

CN109468999A - A kind of reservoir desilting method

Info

Publication number: CN109468999A
Application number: CN201811304253.2A
Authority: CN
Inventors: 曾爱; 喻建胜
Original assignee: Yuanxing Construction Co Ltd
Current assignee: Yuanxing Construction Co Ltd
Priority date: 2018-11-03
Filing date: 2018-11-03
Publication date: 2019-03-15

Abstract

The invention discloses a kind of reservoir desilting methods, are related to a kind of dredging method, and drip irrigation device is the following steps are included: step 1: closing the intake gate of reservoir, open simultaneously the water gate of reservoir；Step 2: mud device is rushed using clear water, mud is washed to the water gate of reservoir, section top mud is rushed out outside reservoir；Step 3: product silt hole is dug out in reservoir bottom, and the siphon pipe of siphoning installation is put in into the long-pending bottom Yu Keng；Step 4: promoting product silt hole for upper layer mud using Bulldozer, and the upper layer mud accumulated in cheating that then product is become silted up using siphoning installation is extracted out；Step 5: being dug out lower layer's sludge using excavator and the lower layer's sludge dug out is delivered to stack-up-yard；Step 6: clay backfilling is intake library, and makes argillic horizon raising reservoir bottom, so that reservoir meets cubical content；The present invention has the effect of accelerating upper layer mud dredging speed.

Description

A kind of reservoir desilting method

Technical field

The present invention relates to a kind of dredging methods, and more specifically it is related to a kind of reservoir desilting method.

Background technique

Existing reservoir is built in mountain valley or barrage mostly, and this reservoir construction investment is huge, and reservoir is being run When, since upstream river constantly conveys silt particle toward reservoir, within a certain period of time, silt becomes silted up reservoir completely, leads to reservoir It scraps, is periodically a necessary engineering, existing reservoir one to reservoir desilting to guarantee the unimpeded and reservoir storage of reservoir As be divided into large reservoir and small reservoir, existing common dredging method is generally hydraulic method dredging and dry dredging method.

Wherein, hydraulic method dredging is primarily referred to as dredging reservoir using hydraulic method, and this method is the most commonly used , still, dredging can only carry out limited control to digging to become silted up, and drainage system must be preset in sediment, be rushed with waterpower Micromicrofarad sand discharge is usually effective, but the shortcomings that these methods is that water consumption is big, must additionally guarantee the storage again of reservoir Water；And dry dredging method is exactly that excavator dredging is utilized after being emptied completely reservoir, is easy to grasp dredging side using the method Amount, the siltation material of removing directly can be transported and be stacked, and reservoir is required out of service during entire dredging；Two above scheme Comparison is it is found that the method is suitable for all kinds of small reservoirs；And existing various small towns generally can all require to set up small reservoir, Therefore the use of dry dredging method is more extensive.

But the excavator progress dredging that dredging method is used to excavate mud is done, and the mud one in existing many reservoirs As be divided into lower layer's sludge and upper layer mud, lower layer's sludge is the solid-liquid containing a small amount of liquid formed by solid particle sediment Mixture shaped like ooze, mud or miriness, therefore has stronger toughness, and upper layer mud is led because in long period of soaking water Mud is caused generally to mould shape in stream, stability is reported to the leadship after accomplishing a task, and more liquid, therefore, the mud that excavator is disposably dug out can generally flow It is many out, lead to that the more time can be spent when clearing up upper layer mud using dry dredging method.

Summary of the invention

In view of the deficiencies of the prior art, the present invention intends to provide a kind of reservoir desilting method, advantage exists In the dredging speed that can accelerate upper layer mud.

To achieve the above object, the present invention provides following technical solutions, comprising the following steps:

Step 1: closing the intake gate of reservoir, opens simultaneously the water gate of reservoir；

Step 2: rushing mud device using clear water and mud be washed to the water gate of reservoir, enables section top mud It is rushed out outside reservoir；

Step 3: product silt hole is dug out in reservoir bottom, and the siphon pipe of siphoning installation is put in into the long-pending bottom Yu Keng；

Step 4: promoting product silt hole for upper layer mud using Bulldozer, and then product is become silted up using siphoning installation, and it is upper to accumulate in cheating Layer mud extraction；

Step 5: being dug out lower layer's sludge using excavator and the lower layer's sludge dug out is delivered to stack-up-yard；

Step 6: clay backfilling is intake library, and makes argillic horizon raising reservoir bottom, so that reservoir meets cubical content.

By using above-mentioned technical proposal, drainage works are completed by step 1, expose the mud of reservoir bottom, then Upper layer mud is washed away using step 2, the part for enabling the upper layer muddy of stream modeling shape softer is directly rushed out Outside reservoir, while branch and building waste etc. that part is mixed in the mud of upper layer can also be cleaned up, then pass through step 3 The upper layer mud of flow-like to be directly pushed into product by bull-dozer with step 4 cooperation to become silted up in hole, then utilize siphoning installation More liquid upper layer mud can be extracted out, to achieve the effect that accelerate upper layer mud cleaning speed, then pass through digging Thick lower layer's sludge is dug out collection by pick machine, finally backfills clay so that reservoir meets absolute altitude；Process is simple, energy The a large amount of dredging time under enough savings.

The present invention is further arranged to: the clear water of the step 2 rushes mud device by fresh water pump, water-supply-pipe and bath rifle group It closes and is formed, wherein the water inlet of fresh water pump is connected to the water source of reservoir.

By using above-mentioned technical proposal, clear water can be taken nearby by being connected to using fresh water pump with reservoir water source, then be led to The cooperation for crossing delivery pipe and rifle of washing by water can make clear water form one closely knit high speed water column to wash away to upper layer mud, from And upper layer cement is sufficiently disintegrated, it is then mingled in clear water and is flowed out from the water gate of reservoir.

The present invention is further arranged to: when carrying out step 2, while being remained on the mud of upper layer using excavator cleaning Branch and house refuse.

By using above-mentioned technical proposal, after drained water, part branch and life can be generally remained inside the mud of upper layer Rubbish, if this part branch and house refuse are pushed into product silt hole and are extracted by siphoning installation, it is easy to cause siphon Device damage, therefore, when carrying out step 2, remaining branch and house refuse, which are cleaned up, can ensure the normal of siphoning installation It uses.

The present invention is further arranged to: when carrying out step 2, the excavator used is crawler-mounted excavator.

By using above-mentioned technical proposal, upper layer muddy is softer, is easy to be trapped into upper layer mud using conventional excavator It is interior, cause excavator that can not move, this can be overcome the problems, such as using crawler-mounted excavator.

The present invention is further arranged to: carry out step 3 when, can with forklift by reservoir close to the position of the water gate of reservoir The guiding slope for shoveling out and being arranged together towards the water gate of reservoir is set, product, which is become silted up, cheats the water gate for being opened in guiding bottom of slope portion and reservoir Intersection.

By using above-mentioned technical proposal, it can have the function that guiding by being oriented to slope, so that bull-dozer becomes silted up upper layer When mud is pushed at guiding slope, mud can be flowed to product along guiding slope and become silted up in hole, further speed up because more liquid Dredging speed.

The present invention is further arranged to: carry out step 4 when, while using clear water rush mud device will be deposited in guiding slope at Upper layer mud washed away towards product hole direction of becoming silted up.

By using above-mentioned technical proposal, upper layer mud flows because internal still contain certain silt along guiding slope When dynamic, silt is easy to precipitate, and causes upper layer mud to be accumulated on guiding slope, at this point, rushing mud device using clear water Accumulation upper layer mud progradation can be washed away to become silted up in hole, meanwhile, rushing mud device using clear water can also accelerate upper layer mud to flow into The speed that product is become silted up in hole.

The present invention is further arranged to: the clear water rushes mud device and is provided with more than one piece, is fixed with more in the bottom of reservoir Ring is oriented to slope convenient for the fixed link of setting, and the bath rifle that each clear water rushes mud device is respectively arranged in the upper of each fixed link End, the water outlet of each bath rifle becomes silted up towards product cheats direction setting.

By using above-mentioned technical proposal, when forklift works, operator station is when guiding slope edge carries out washing away work May be by collision, there are certain risk, by installing more for the peace fixed for bath rifle in reservoir bottom Dress bar can be realized the automatic flushing work that clear water rushes mud device, and safety is more preferable.

The present invention is further arranged to: when carrying out step 5, being dug out lower layer's sludge using excavator, is then utilized forklift By the sludge dug out shovel in position of the reservoir far from water gate, finally sludge is transferred out using feed screw.

By using above-mentioned technical proposal, can thick sludge be dug out and be accumulated by excavator and forklift cooperation Together, the sludge for being in reservoir bottom and being packed together can be transferred out by feed screw and is received outside reservoir Collection.

The present invention is further arranged to: when carrying out step 5, excavator is since the position for taking out material close to feed screw Work, and become silted up to cheat towards product and gradually promote.

By using above-mentioned technical proposal, prevent excavator from when being moved to from feed screw at a distance by handling nearby It is trapped into lower layer's sludge.

The present invention is further arranged to: when carrying out step 6, in reservoir bottom, layer overlay cuts into a mountain rock layers first, finally will Clay is layered on rock layers surface of cutting into a mountain, and is flattened argillic horizon using packer, compacting.

By using above-mentioned technical proposal, the intensity by the stone that cuts into a mountain is larger, and cost is relatively low, and reservoir bottom is first spread out Mountain rock layers, finally spreading argillic horizon can be effectively reduced backfill cost.

In conclusion the invention has the following advantages that

1, it by excavating long-pending hole of becoming silted up, then can disposably be pushed in a large amount of upper layer mud to product silt hole using forklift, finally Upper layer mud can quickly be extracted out using siphoning installation, to achieve the effect that save a large amount of dredging times；

2, cooperated by shoveling out guiding slope and rushing mud device using clear water so that forklift is not necessarily to directly promote product to become silted up in upper layer mud In hole, need to only be pushed away upper layer mud by forklift can be rushed mud device in guiding slope by clear water rushes in product silt hole for upper layer mud It is interior, further speed up dredging speed.

Detailed description of the invention

Fig. 1 is the distribution schematic diagram of the present embodiment upper layer mud and lower layer's sludge；

Fig. 2 is the position view on the present embodiment guiding slope, product silt hole and siphoning installation；

Fig. 3 is the arrangement schematic diagram that each clear water of the present embodiment rushes mud device；

Fig. 4 is the arrangement schematic diagram of the present embodiment feed screw；

Fig. 5 is the structural schematic diagram after the completion of the present embodiment backfilling working.

Description of symbols: 1, reservoir；11, intake gate；12, water gate；13, upper layer mud；14, lower layer's sludge；2, mistake Strainer；3, siphoning installation；31, siphon pipe；61, fresh water pump；62, water-supply-pipe；63, bath rifle；4, it is oriented to slope；5, product, which is become silted up, cheats；6, Clear water rushes mud device；7, fixed link；8, feed screw；9, it cuts into a mountain rock layers；10, argillic horizon.

Specific embodiment

Below in conjunction with attached drawing, invention is further described in detail.

A kind of reservoir desilting method, includes the following steps:

Step 1: the intake gate 11 of reservoir 1 is closed, the water gate 12 of reservoir 1 is opened simultaneously；

Step 2: mud device 6 is rushed using clear water, mud is washed to the water gate 12 of reservoir 1, so that section top mud 13 can be rushed out outside reservoir 1；

Step 3: product silt hole 5 is dug out in 1 bottom of reservoir, and the siphon pipe of siphoning installation 3 31 is put in into 5 bottoms of product silt hole；

Step 4: upper layer mud 13 is promoted into product silt hole 5 using Bulldozer, then product becomes silted up to cheat in 5 using siphoning installation 3 and accumulate Upper layer mud 13 extract out；

Step 5: being dug out lower layer's sludge 14 using excavator and the lower layer's sludge 14 dug out is delivered to stack-up-yard；

Step 6: by clay backfilling water inlet library 1, and make 10 raising reservoir of argillic horizon, 1 bottom, so that reservoir 1 meets cubical content.

Wherein, it is noted that since reservoir 1 is trimmed at mountain valley or river mostly, and mountain valley and Channel slope are general Numerous miscellaneous trees are had, and when river flows through living area can take away that some quality are lighter, be easy to swim in the house refuse on the water surface, Therefore general in reservoir 1 also to contain the branch of the easy floating in part on the water and house refuse.

When carrying out step 1, when the water in reservoir 1 is flowed out from water gate 12, water flow can take away part branch and life rubbish Rubbish, therefore, as shown in Figure 1, a filter screen 2 can be loaded onto the water gate 12 of reservoir 1, it can be by portion by filter screen 2 The branch flowed out with water flow and house refuse net is divided to go out, so that dredging work is more environmentally-friendly.

After the completion of step 1, the upper layer mud 13 of 1 bottom of reservoir can expose, meanwhile, because the reason of sedimentation, part branch On the surface that upper layer mud 13 can be fallen directly on house refuse.

When carrying out step 2, while the branch and life rubbish remained on upper layer mud 13 is dug out using crawler-mounted excavator Rubbish, and the branch dug out and house refuse are uniformly collected and burned.

Wherein, it is noted that the crawler-mounted excavator that step 2 uses preferentially uses broad track formula excavator, and upper The contact area of layer mud is bigger, is less susceptible to be trapped into the mud of upper layer.

Wherein, it is noted that it includes that water inlet is connected to the water source of reservoir 1 and sets that above-described clear water, which rushes mud device 6, The fresh water pump 61 set, one end are connected to the water-supply-pipe 62 of setting and one end with water-supply-pipe 62 far from fresh water pump 61 with fresh water pump 61 It is connected to the bath rifle 63 of setting, when washing away upper layer mud 13, by the hand-held bath rifle 63 of staff to 13 surface of upper layer mud It is washed away, enables section top mud 13 to wash disintegration open by the high speed water column that bath rifle 63 ejects, and to be disintegrated Upper layer mud 13 can from the water gate 12 of reservoir 1 flow out.

When carrying out step 3, shoveled out together close to the position of water gate 12 towards water gate first with forklift in reservoir 1 The guiding slope 4 that 12 directions are obliquely installed when shoveling out guiding slope 4, can use clear water and rush the upper layer silt that mud device 6 shovels out forklift Mud 13 and section bottom sludge 14 are washed away towards water gate 12, accelerate the formation speed on guiding slope 4, are then existed using excavator The intersection of guiding slope 4 and water gate 12 digs out product silt hole 5, finally puts in the siphon pipe 31 of siphoning installation 3 in long-pending hole 5 of becoming silted up i.e. It can.

Wherein, the position view for being oriented to slope 4, product silt hole 5 and siphoning installation 3 is as shown in Figure 2.

When carrying out step 4, the fixed link 7 in guiding 4 edge of slope first on the bottom of reservoir 1 is fixed then will be clear The bath rifle 63 that water rushes mud device 6 be fixed on the upper end of fixed link 7 so that clear water rush mud device 6 can persistent guide to slope 4 Clear water is sprayed, is finally shoveled upper layer mud 13 to guiding slope 4 using forklift, rushing mud device 6 by clear water will be by shovel to guiding Upper layer mud 13 in slope 4 rushes in product and becomes silted up in hole 5；Wherein, the water outlet of bath rifle 63 is set towards 5 directions of product silt hole It sets.

It advanced optimizes, the clear water used in step 4 rushes mud device 6 and fixed link 7 is provided with more than one piece, and each part 7 ring of fixed link is oriented to the setting of 4 edge of slope.

It advanced optimizes, the clear water used in step 4, which rushes the bath rifle 63 utilized in mud device 6, can use divergence expression Bath rifle 63 can expand the range of washing away that clear water rushes mud device 6 using divergence expression bath rifle 63, but to upper layer mud 13 Impact force can reduce, but because guiding slope 4 has the effect of water conservancy diversion, the impact force reduction that clear water rushes mud device 6 will not It has much impact to washing away for upper layer mud 13.

Wherein, clear water rush mud device 6 position view it is as shown in Figure 3.

When carrying out step 5, feed screw 8 is installed on reservoir 1 first, and make the conveying pipeline of feed screw 8 It extends in position of the reservoir 1 far from water gate 12, is dug out lower layer's sludge 14 using excavator, then will be dug out using forklift Lower layer's sludge 14 is pushed into conveying pipeline and goes out, and is finally extracted out lower layer's sludge 14 using feed screw 8；Wherein, excavator from It starts to work close to the position of feed screw 8, and excavator can gradually 5 directions of vector product silt hole promote.

Wherein, the position view of feed screw 8 is as shown in Figure 4.

When carrying out step 6, as shown in figure 5, cutting into a mountain rock layers 9 in 1 bottom layer overlay of reservoir first, and packer is utilized The stone that will cut into a mountain leveling compacting, then covers upper one layer of argillic horizon 10 cutting into a mountain, and press argillic horizon 10 using packer in rock layers 9 Reality.

Wherein, it is laid with when cutting into a mountain rock layers 9, should first 5 fill and lead up product hole of becoming silted up.

Wherein, it is noted that reservoir 1 designs Shi Douyou maximum capacity, 1 depth of reservoir etc. and requires, after dredging very It is easy to cause dilatation to reservoir 1, causes the capacity of reservoir 1 beyond limiting outside range, be easy to cause excessive loads to interception dam, because This, needs to carry out backfilling working after dredging so that reservoir 1 backfill after standard depth of depth when meeting design, really Be retained library 1 using safe.

Wherein, argillic horizon 10 can be divided into multiple backfill, each backfill thickness can according to the actual size of reservoir 1, The specification of equipment is limited, and when being divided into multiple backfill, is intended to be flattened after often having filled one layer, is compacted work.

The foregoing is merely presently preferred embodiments of the present invention, is not intended to restrict the invention, all in design structure of the invention Within think of, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims

1. a kind of reservoir desilting method, it is characterised in that the following steps are included:

Step 1: the intake gate (11) of reservoir (1) is closed, the water gate (12) of reservoir (1) is opened simultaneously；

Step 2: mud device (6) is rushed using clear water, mud is washed to the water gate (12) of reservoir (1), so that on part Layer mud (13) can be rushed out reservoir (1) outside；

Step 3: product silt hole (5) is dug out in reservoir (1) bottom, and the siphon pipe of siphoning installation (3) (31) is put in into product silt hole (5) bottom；

Step 4: upper layer mud (13) are promoted into product silt hole (5) using Bulldozer, then product is become silted up using siphoning installation (3) and is cheated (5) upper layer mud (13) extraction accumulated in；

Step 5: lower layer's sludge (14) is dug out and the lower layer's sludge (14) dug out is delivered to stack-up-yard using excavator；

Step 6: clay backfilling is intake library (1), and makes argillic horizon raising reservoir (1) bottom, so that reservoir (1) meets appearance Accumulated amount.

2. a kind of reservoir desilting method according to claim 1, it is characterised in that: the clear water of the step 2 rushes mud device (6) it is formed by fresh water pump (61), water-supply-pipe (62) and bath rifle (63) combination, wherein the water inlet and reservoir of fresh water pump (61) (1) water source connection.

3. a kind of reservoir desilting method according to claim 1, it is characterised in that: when carrying out step 2, while benefit is excavated Machine cleaning remains in branch and house refuse on upper layer mud (13).

4. a kind of reservoir desilting method according to claim 3, it is characterised in that: when carrying out step 2, the excavation of use Machine is crawler-mounted excavator.

5. a kind of reservoir desilting method according to claim 2, it is characterised in that:, will using forklift when carrying out step 3 Reservoir (1) shovels out the guiding that the water gate (12) together towards reservoir (1) is arranged close to the position of the water gate (12) of reservoir (1) Slope (4), product, which is become silted up, cheats the intersection for the water gate (12) that (5) are opened in guiding slope (4) bottom and reservoir (1).

6. a kind of reservoir desilting method according to claim 5, it is characterised in that: when carrying out step 4, while using clearly Water rushes mud device (6) and washes away the upper layer mud (13) being deposited at guiding slope (4) towards product silt hole (5) direction.

7. a kind of reservoir desilting method according to claim 6, it is characterised in that: the clear water rushes mud device (6) setting There is more than one piece, is fixed with more ring guiding slope (4) in the bottom of reservoir (1) convenient for the fixed link (7) of setting, each clear water rushes mud The bath rifle (63) of device (6) is respectively arranged in the upper end of each fixed link (7), the water outlet direction product of each bath rifle (63) Hole (5) direction of becoming silted up is arranged.

8. a kind of reservoir desilting method according to claim 1, it is characterised in that: when carrying out step 5, utilize excavator Lower layer's sludge (14) is dug out, is then shoveled the sludge dug out in the position of reservoir (1) far from water gate (12) using forklift, Finally sludge is transferred out using feed screw (8).

9. a kind of reservoir desilting method according to claim 8, it is characterised in that: when carrying out step 5, excavator is from leaning on The position that nearly feed screw (8) takes out material is started to work, and is gradually promoted towards long-pending hole (5) of becoming silted up.

10. a kind of reservoir desilting method according to claim 1, it is characterised in that: when carrying out step 6, first in reservoir (1) bottom layer overlay cuts into a mountain rock layers (9), clay is finally layered on to rock layers of cutting into a mountain (9) surface, and utilize packer by argillic horizon (10) it flattens, be compacted.