CN205399531U - Deep water negative pressure desilting system - Google Patents
Deep water negative pressure desilting system Download PDFInfo
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- CN205399531U CN205399531U CN201620183640.5U CN201620183640U CN205399531U CN 205399531 U CN205399531 U CN 205399531U CN 201620183640 U CN201620183640 U CN 201620183640U CN 205399531 U CN205399531 U CN 205399531U
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- desilting
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Abstract
The utility model relates to a deep water negative pressure desilting system, include: a desilting pipe, the desilting pipe sets up in the aquatic, its top and output pipeline intercommunication, and its bottom sets up and treats the desilting position in the aquatic, an air supply pipe, the air supply pipe is installed in desilting pipe one side, and the top of air supply pipe is passed through the tuber pipe and is connected with the air compressor machine, and its bottom is equipped with an air feed section of thick bamboo that communicates with the air supply pipe, just an air feed section of thick bamboo and desilting pipe intercommunication. The utility model discloses a superior effect lies in: through deep water negative pressure desilting system can reach the purpose of desilting under water, and the construction is simple, not only can clear up suspended load and the bed load the reservoir bottom under the contamination free requirement of environmental protection, and the aperture of the pipe diameter that simultaneously can be through changing the desilting pipe and the filter screen of end reaches the cleaning action of different particle diameter building stones, is applied to the grit under water exploitation of different particle diameters, has overcome the problem that desilting equipment is simple and crude among the prior art, the operating procedure is loaded down with trivial details.
Description
Technical field
This utility model relates to deep water underwater desilting technical field, is specifically related to a kind of deep water negative pressure desilting system.
Background technology
At present, existing ecological dredging technology generally uses air-powered pump to carrying out desilting and the training of channel under water, and air-powered pump is to utilize compression air to carry out suction mud for power, and the usual pump housing is provided with three pump barrels, a mud inlet is had, equipped with suction head or adapter before mud inlet bottom each pump barrel.When pump barrel sinks under the water under gravity and is absorbed in mud, mud is inhaled into pump barrel under the negative pressure of vacuum of hydrostatic pressure and pump barrel, then compression air is entered pump barrel by pipeline from pump barrel top air inlet and exhaust valve by air distributor, by mud press-in discharge pipeline in cylinder, mud is delivered to sludge boat or collection mud sump on the bank through mud valve, dredging tube.Existing air-powered pump is provided with two duties, it may be assumed that first mud is sucked pump barrel, then passes through tube wall imported valve importing gases at high pressure and mud is delivered to appointed place again.Existing desilting equipment is simple and crude, and construction trouble, environmental protection index is low.
The Chinese patent that publication number is CN104179210A discloses multi-functional silt remover, include excavator body, it is characterized in that: described excavator body is installed with middle buoyancy tank respectively in the side, front and back of its revolving bed, excavator body is installed with left and right buoyancy tank respectively in the outside of side track frame around, the front portion of described left and right buoyancy tank is rotatablely equipped with front leg strut respectively, the rear portion of left and right buoyancy tank is installed with scalable rear support leg respectively, and the front end of described front leg strut is provided with ball float；The afterbody of described rear buoyancy tank is provided with screw propeller, and described excavator body is provided with in the front end of its motion arm and stirs suction Integral hydraulic removing sludge.It has been respectively articulated with oil cylinder between the anterior and front leg strut thereon of described left and right buoyancy tank and between rear portion and the scalable rear support leg thereon of left and right buoyancy tank.This multi-functional silt remover restricted application, is not suitable for underwater desilting.
The Chinese patent that publication number is CN101864782A discloses underwater silt remover, including vehicle frame, described vehicle frame both sides are provided with chassis voluntarily, described vehicle frame front end is provided with crane, described vehicle frame rear end is provided with hydraulic workstation and diving slurry pump, the front end of crane arranges Accrete clearing device, described Accrete clearing device includes cutting knife, scraper plate and disintegrating machine, it is provided with hoist cylinder between described crane and vehicle frame, the two ends of described diving slurry pump are connected to dredging tube and discharge pipeline, described dredging tube mouth is connected with disintegrating machine, described chassis voluntarily, cutting knife, hoist cylinder, diving slurry pump, disintegrating machine provides power source by hydraulic workstation.This underwater silt remover structure is complicated, complex operation, and is not suitable for deep water desilting.
Utility model content
In order to overcome defect of the prior art, the purpose of this utility model is in that to propose a kind of deep water negative pressure desilting system.
This utility model is achieved through the following technical solutions:
A kind of deep water negative pressure desilting system, including: a desilting pipe, described desilting pipe is arranged in water, and its top connects with output channel, and its bottom is arranged in water and treats desilting position；
One air supply pipe, described air supply pipe is installed on desilting pipe side, and the top of air supply pipe is connected with air compressor machine by airduct, and its bottom is provided with the inflator connected with air supply pipe, and described inflator connects with desilting pipe.
This utility model is preferably, and described output channel adopts plastic tube.
This utility model is preferably, and the top of described desilting pipe is arranged on buoyance in water device.It is easy to deep water negative pressure desilting system described in the utility model by buoyance in water device move, treats desilting position as being transferred to the next one after some position has been cleared up.
This utility model is preferably, and described buoyance in water device is Power Vessel.
This utility model is preferably, and described desilting pipe includes body, and its bottom is inverted cone shape, and its bottom is provided with base opening and base opening place is provided with drainage screen.
This utility model is preferably, and described drainage screen is formed by the crisscross setting of several reinforcing rods.
Further, adjacent reinforcing rod be smaller than 150mm.
This utility model is preferably, and described body is set to several, and adjacent body passes through Flange joint.
This utility model is preferably, and on described body, the tube wall near base opening is provided with several water supply holes.
This utility model is preferably, and described water supply hole is distributed on tube wall.
This utility model is preferably, and described desilting pipe is vertically arranged.
This utility model is preferably, and described inflator is annular canister, and is sheathed on the outside of desilting pipe, and the tube wall that described inflator is connected with desilting pipe is equipped with the air inlet of connection.
This utility model is preferably, and described inflator and desilting pipe are arranged concentrically.
This utility model is preferably, and is arranged at the distance bottom the enterprising QI KOU of desilting pipe and inflator more than the distance being arranged at bottom the enterprising QI KOU of inflator and inflator.
This utility model is preferably, and the angle being arranged between the enterprising QI KOU of desilting pipe and the centrage and the centrage of inflator that are arranged at the enterprising QI KOU of inflator is 30 °～90 °.Described angle design, is beneficial to and forms subnormal ambient in the bottom of desilting pipe.
This utility model be preferably, described in be arranged between the enterprising QI KOU of desilting pipe and the centrage and the centrage of inflator that are arranged at the enterprising QI KOU of inflator angle be 45 °.
Compared with prior art, superior effect of the present utility model is in that: can be reached the purpose of underwater desilting by described deep water negative pressure desilting system, construction is simple, the suspended load bottom reservoir and bed load can not only be cleared up under environment friendly and pollution-free requirement, the cleaning effect of different-grain diameter building stones can be reached by the aperture of the drainage screen of the caliber and termination that change desilting pipe simultaneously, it is applied to the Exploit sand and stone under water of different-grain diameter, overcomes the problem that desilting equipment in prior art is simple and crude, operating procedure is loaded down with trivial details.
Accompanying drawing explanation
Fig. 1 is the structural representation of described a kind of deep water negative pressure desilting system；
Fig. 2 is the desilting state partial schematic diagram of deep water negative pressure desilting system described in Fig. 1.
Description of reference numerals is as follows:
11-desilting pipe, 111-base opening, 112-water supply hole, 12-output channel, 13-air supply pipe, 14-airduct, 15-inflator, 151-air inlet, 16-Power Vessel, 161-channel member, 162-skewed horizontal load part, 17-waters；
In Fig. 2, in air supply pipe, the direction of arrow is the direction of motion that air compressor machine pumps into air-flow.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, this utility model is described in further detail.
As shown in Figure 1, a kind of deep water negative pressure desilting system described in the utility model, including: a desilting pipe 11, described desilting pipe 11 is arranged in water, and its top connects with output channel 12, and its bottom is arranged in water and treats desilting position；One air supply pipe 13, described air supply pipe 13 is installed on desilting pipe 11 side, the top of air supply pipe 13 is connected with air compressor machine (not shown) by airduct 14, and its bottom is provided with the inflator 15 connected with air supply pipe 13, and described inflator 15 connects with desilting pipe 11.When actually used, the outfan of output channel 12 is arranged at Sedimentation tank (not shown) and carries out subsequent treatment, it is to avoid pollute.
In the present embodiment, described output channel 12 adopts plastic tube.Being further plastic flexible pipe, can be suitably used for various environment, as being layed in rugged ground, described plastic flexible pipe refers to fit in the tubing on ground；When there is gas pressure in plastic flexible pipe, being beneficial to air pressure and promoting mud to move, and then reaching to improve the purpose of desilting efficiency data.
In the present embodiment, described desilting pipe 11 includes body, and its bottom is inverted cone shape, and its bottom is provided with base opening 111 and base opening 111 place is provided with drainage screen (not shown).Further, described drainage screen formed by the crisscross setting of several reinforcing rods and adjacent reinforcing rod be smaller than 150mm.Therefore in the present embodiment, the conveying particle diameter of described drainage screen is the sandstone less than 150mm.In the present embodiment, described desilting pipe 11 is vertically arranged.
Wherein, described body is set to several, and adjacent body is connected by flange (not shown)；So can be suitably used for the waters 17 of different depth, adaptable and easy to operate.The length of described body is less than 6m, and its diameter is 273mm.
As in figure 2 it is shown, in the present embodiment, described inflator 15 is annular canister, and is sheathed on the outside of desilting pipe 11, the tube wall that described inflator 15 is connected with desilting pipe 11 is equipped with the air inlet that diameter is 10mm 151 of connection.Wherein, described inflator 15 is arranged concentrically with desilting pipe 11；Wherein, the distance bottom the enterprising QI KOU of desilting pipe 11 and inflator 15 it is arranged at more than the distance being arranged at bottom the enterprising QI KOU of inflator 15 and inflator 15.Further, the angle being arranged between the enterprising QI KOU of desilting pipe 11 and the centrage and the centrage of inflator 15 that are arranged at the enterprising QI KOU of inflator 15 described in is 45 °.The design of 45 ° of angles described in the utility model, is beneficial in the pipe between the drainage screen and inflator 15 of desilting pipe 11 and forms subnormal ambient, thus reaching to improve the purpose of desilting efficiency data.
In the present embodiment, on described body, the tube wall of close base opening is provided with several water supply holes 112.Water outside described body enters from water supply hole 112, and water mixes with the sandstone in body, mud after entering.It should be noted that described water supply hole 112 between drainage screen and inflator 15 and described water supply hole 112 be distributed on tube wall.Further, the twice that distance is the distance between water supply hole 112 and air inlet 151 between described water supply hole 112 and drainage screen.Described water supply hole 112 is set to three, and its diameter is 10mm, is distributed on the tube wall of desilting pipe 11.
For the ease of movement, the top of desilting pipe 11 described in the utility model is arranged on buoyance in water device.It is easy to deep water negative pressure desilting system described in the utility model by buoyance in water device move, treats desilting position as being transferred to the next one after some position has been cleared up.Wherein, described buoyance in water device is Power Vessel 16.In the specific implementation, described Power Vessel 16 is provided with fixing device, it is possible to make desilting pipe 11 keep vertically arranged state, as arranged vertically arranged channel member 161 on Power Vessel 16, and it is respectively provided with skewed horizontal load part 162 in channel member 161 both sides, form stable triangular structure.It should be noted that, when described channel member 161 is fixed with desilting pipe 11, need to arrange hanger (not shown) in the both sides, top of desilting pipe 11, fixed by the end of guide chain (not shown) and hanger, the top on the top of guide chain with channel member 161 is connected, and then realizes the adjustment of desilting pipe 11 length.
A kind of deep water negative pressure desilting system described in the utility model has been successfully applied in Yi Taizi Hydropower Project.Yi Taizi Hydropower Project is Hydropower Project newly-built on the basis of existing dam, and existing dam is Clay Core Wall Rockfill Dam, overall length 1400m, high 65m, is built up in 1978.Total reservoir storage is 60 billion cubic meter about, peak level EL1030.5 rice, for the balancing reservoir in Kai Fuxia power station, downstream.Newly-built Power Tunnels is positioned at dam right bank, is that enlarging diversion system and surge shaft diversion are to ground power house behind dam on the basis of original water inlet and south diversion tunnel, and installed capacity is 2*60MV.
In Yi Taizi Hydropower Project, include the approach channel to water inlet 50m, width 200m length range and carry out the requirement of desilting.According to on-site actual situations, bottom water inlet approach channel, a high position is EL978.00 rice, the construction period depth of water 45～58m.Observing surface according to underwater camera, approach channel base surface has the long-term sediment deposit of one layer of 300mm～600mm thickness, this sediment deposit is the stone that silt is mingled with different-grain diameter.
When construction, require construction environment all improving always, and ecological dredging requires to avoid suspended load and drift confrontation surrounding body 17 to be formed and pollute in desilting process.Deep water negative pressure desilting system of the present utility model can solve the problem that the problem of environmental pollution, while extracting silt, has drawn the desilting pipe 11 contaminated part of contaminated water of periphery simultaneously, and construction environment is completely up to standard；And the desilting pipe 11 adopted directly uses steel pipe and steel plate to make, and saves great amount of cost, it is possible to reach the effect of the advanced air-powered pump desilting in the world.It is deep that deep water negative pressure desilting system described in the utility model is particularly suitable for waters 17, and requires that extraction particle size range uses when big.
In deep water negative pressure desilting system described in the utility model, when adopting an air compressor machine, it is achieved that below by way of negative pressure, mud is siphoned away at air inlet 151, above by malleation, mud is blown away at air inlet 151, and then complete the course of conveying of mud.
This utility model is not limited to above-mentioned embodiment, and when without departing substantially from flesh and blood of the present utility model, any deformation that it may occur to persons skilled in the art that, improvement, replacement each fall within scope of the present utility model.
Claims (10)
1. a deep water negative pressure desilting system, it is characterised in that including:
One desilting pipe, described desilting pipe is arranged in water, and its top connects with output channel, and its bottom is arranged in water and treats desilting position；
One air supply pipe, described air supply pipe is installed on desilting pipe side, and the top of air supply pipe is connected with air compressor machine by airduct, and its bottom is provided with the inflator connected with air supply pipe, and described inflator connects with desilting pipe.
2. a kind of deep water negative pressure desilting system according to claim 1, it is characterised in that described inflator is annular canister, and is sheathed on the outside of desilting pipe, and the tube wall that described inflator is connected with desilting pipe is equipped with the air inlet of connection.
3. a kind of deep water negative pressure desilting system according to claim 2, it is characterised in that described inflator and desilting pipe are arranged concentrically.
4. a kind of deep water negative pressure desilting system according to claim 2, it is characterised in that be arranged at the distance bottom the enterprising QI KOU of desilting pipe and inflator more than the distance being arranged at bottom the enterprising QI KOU of inflator and inflator.
5. a kind of deep water negative pressure desilting system according to claim 4, it is characterised in that the angle being arranged between the enterprising QI KOU of desilting pipe and the centrage and the centrage of inflator that are arranged at the enterprising QI KOU of inflator is 30 °～90 °.
6. a kind of deep water negative pressure desilting system according to claim 5, it is characterised in that described desilting pipe is vertically arranged.
7. a kind of deep water negative pressure desilting system according to any one of claim 1-6, it is characterised in that the top of desilting pipe is arranged on buoyance in water device.
8. a kind of deep water negative pressure desilting system according to any one of claim 1-6, it is characterised in that described desilting pipe includes body, and its bottom is inverted cone shape, and its bottom is provided with base opening and base opening place is provided with drainage screen.
9. a kind of deep water negative pressure desilting system according to claim 8, it is characterised in that on described body, the tube wall near base opening is provided with several water supply holes.
10. a kind of deep water negative pressure desilting system according to claim 9, it is characterised in that described water supply hole is distributed on tube wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620183640.5U CN205399531U (en) | 2016-03-10 | 2016-03-10 | Deep water negative pressure desilting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620183640.5U CN205399531U (en) | 2016-03-10 | 2016-03-10 | Deep water negative pressure desilting system |
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| CN205399531U true CN205399531U (en) | 2016-07-27 |
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| CN201620183640.5U Active CN205399531U (en) | 2016-03-10 | 2016-03-10 | Deep water negative pressure desilting system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625494A (en) * | 2016-03-10 | 2016-06-01 | 中国水利水电第十一工程局有限公司 | Deepwater negative-pressure desilting system |
| CN108468520A (en) * | 2018-05-15 | 2018-08-31 | 张孝福 | Remove the device of motor-pumped well silt |
| CN108612142A (en) * | 2018-07-12 | 2018-10-02 | 中交航局第工程有限公司 | A kind of cleaning plant and method for cleaning in subaqueous gravity formula harbour square horseshoe hole |
| CN109024520A (en) * | 2018-08-24 | 2018-12-18 | 许应君 | Channel cleanout device |
-
2016
- 2016-03-10 CN CN201620183640.5U patent/CN205399531U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625494A (en) * | 2016-03-10 | 2016-06-01 | 中国水利水电第十一工程局有限公司 | Deepwater negative-pressure desilting system |
| CN108468520A (en) * | 2018-05-15 | 2018-08-31 | 张孝福 | Remove the device of motor-pumped well silt |
| CN108612142A (en) * | 2018-07-12 | 2018-10-02 | 中交航局第工程有限公司 | A kind of cleaning plant and method for cleaning in subaqueous gravity formula harbour square horseshoe hole |
| CN108612142B (en) * | 2018-07-12 | 2023-06-20 | 中交一航局第一工程有限公司 | Cleaning device and cleaning method for square horseshoe holes of underwater gravity wharf |
| CN109024520A (en) * | 2018-08-24 | 2018-12-18 | 许应君 | Channel cleanout device |
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