CN210151803U - Pneumatic type desilting system - Google Patents

Abstract

The utility model relates to the technical field of water treatment, in particular to a pneumatic dredging system, which comprises an operation platform, wherein an air source device is arranged on the operation platform and is connected with a dredging component; the dredging component comprises an air inlet pipe, one end of the air inlet pipe is communicated with the air source device, and the other end of the air inlet pipe is connected to the underwater dredger; the underwater silt remover comprises a pressure-resistant pipe and a collecting device which are sequentially communicated, wherein a conveying channel is arranged in the collecting device, an air inlet pipe is communicated with the pressure-resistant pipe, the air inlet pipe supplies air to the pressure-resistant pipe, and high-pressure air in the pressure-resistant pipe flows back in the collecting device to cause negative pressure in the conveying channel of the collecting device; the operation platform is also provided with a material conveying pipe and a slag collecting device which are communicated with the conveying channel. The utility model discloses utilize the pressure differential effect to draw rivers, the sediment realizes the desilting under the drive of rivers, and the environmental protection is high-efficient, convenient and fast.

Description

Pneumatic type desilting system

Technical Field

The utility model relates to a water treatment technical field mainly relates to pneumatic type desilting system.

Background

The problem of reservoir and river sedimentation is common, and it is estimated that about 50 hundred million tons of silt enter rivers every year in China at present. Reservoir and river sedimentation affects the operation safety and service life of the project, weakens flood control capacity and water supply capacity, affects the power generation benefit of hydropower stations, and the like. At present, the technical equipment for lake and reservoir dredging in China has the limitations of low dredging efficiency, limited application range and the like, and efficient dredging technology is needed for high dam repairing and reinforcing, reservoir silt and reservoir capacity recovery and river dredging.

According to investigation, the hydropower station tail canal has important influence on the operation and power generation benefits of the hydropower station. If reinforcement measures are not taken for parts which are easy to scour or deposit, the local part of the tail canal can be damaged, deposits such as downstream silt and large-particle-size materials are increased, the river bed is lifted, the water level is increased, and downstream cascade backwater can be caused in serious cases; if a large amount of waste slag is accumulated in the tail canal, the power generation tail water level is raised, and the normal operation of the hydropower station and the flood discharge capability of a downstream river channel are influenced. Unreasonable pivot arrangement, improper flood discharge mode and other factors can cause tailing piling, but construction piling is the main reason. According to preliminary investigation, slag accretion problem of about 30 large and medium-sized hydropower stations causes the high tail water level, and the annual loss of electric energy accounts for about 1% of the electricity generation capacity of the national hydropower stations.

Therefore, the treatment to reservoir, river channel siltation problem is very urgent, and current desilting technique can not satisfy actual demand completely, needs adjust the optimization to current desilting processing apparatus, provides more reasonable technical scheme, solves the technical problem that exists among the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pneumatic type desilting system aims at carrying out the clearance of silt, river sand and gravel etc. of water bottom through the mode that high-pressure draught produced the negative pressure, improves the efficiency of clearance, avoids the riverbed to raise, and the water increases.

In order to realize the above effect, the utility model discloses the technical scheme who adopts does:

the pneumatic dredging system comprises an operation platform, wherein an air source device is arranged on the operation platform and is connected with a dredging component; the dredging component comprises an air inlet pipe, one end of the air inlet pipe is communicated with the air source device, and the other end of the air inlet pipe is connected to the underwater dredger; the underwater silt remover comprises a pressure-resistant pipe and a collecting device which are sequentially communicated, wherein a conveying channel is arranged in the collecting device, an air inlet pipe is communicated with the pressure-resistant pipe, the air inlet pipe supplies air to the pressure-resistant pipe, and high-pressure air in the pressure-resistant pipe flows back in the collecting device to cause negative pressure in the conveying channel of the collecting device; the operation platform is also provided with a material conveying pipe and a slag collecting device which are communicated with the conveying channel.

Above-mentioned disclosed pneumatic type desilting system provides high-pressure gas through air supply unit, and high-pressure gas gets into behind the desilting machine under water and flows back to transfer passage, causes the negative pressure in the transfer passage, and collection system can adsorb submarine silt and carry to the transfer passage in so, accomplishes the desilting work.

Specifically, negative pressure caused by high-pressure gas is used for realizing self-adsorption, the utility model discloses a collecting device is specifically explained, the collecting device comprises a shunt pipeline and a material vertical lifting pipe, the shunt pipeline is communicated with a pressure-resistant pipe and the material vertical lifting pipe, and the high-pressure gas enters the material vertical lifting pipe from the shunt pipeline and then is transmitted upwards; the material vertical lifting pipe is communicated with the material conveying pipe.

Furthermore, the material lifting pipe is used for lifting silt and sundries at the bottom of the water, the silt and the sundries enter from the lower end of the material vertical lifting pipe and are discharged from the upper end of the material vertical lifting pipe, and therefore the silt is cleaned; perpendicular riser of material is when absorbing silt and debris, the utility model discloses improve the structure of attracting department, it is specific, the lower port department of perpendicular riser of material be connected with telescopic collection pipe.

Further, the length adjustable of telescopic collection pipe for the substructure of the underwater difference of coping, it is specific, the utility model discloses a scheme of optimization: the telescopic collecting pipe comprises a multi-stage sleeved steel pipeline.

Further, the operation platform utilizes spontaneous energy to carry out the function, specifically, the operation platform on be provided with fuel power generation system, fuel power generation system is the operation platform power supply.

Preferably, the fuel oil power generation system adopts a fuel oil generator.

Further, the air source device is power for removing the sludge, and the power is derived from the air source device; specifically, the air source device comprises an air compressor, an air supply pipe is connected to an air supply outlet of the air compressor, and the air source pipe is communicated with an air inlet pipe and sends high-pressure air of the air compressor into the air inlet pipe.

Further, the silt remover is submerged under water at the during operation, parks on work platform when out of work, the utility model discloses the placement system to the silt remover under water optimizes, and is concrete, gives up as following feasible scheme: the working platform is provided with a hoisting device, and the hoisting device is used for lowering and hoisting the underwater silt remover.

Preferably, the hoisting device comprises a hoisting suspender and a hoisting winch, and the underwater dredging machine is pulled to ascend or descend by the hoisting winch.

Still further, when carrying out the desilting work, operation platform stops at the surface of water, and the desilting equipment of being convenient for is in continuous work under water, the utility model discloses optimize operation platform, give out following concrete feasible technical scheme: the operation platform is provided with an anchoring device, the anchoring device comprises a plurality of anchoring winches, and the anchoring winches are connected with anchors and are used for lowering and lifting the anchors.

When dredging is carried out, anchoring operation is carried out, and when the dredging is completed and the transfer is carried out, anchoring operation is carried out.

Further, the bottom of water is generally earth, materials such as gravel and sand, will constantly deepen the degree of depth of water if desilting equipment continuous operation, and has satisfied the demand of desilting promptly after driving a certain amount of silt in fact, and is here the utility model discloses optimize, operation platform on be equipped with depth of water detecting device. The water depth detection device continuously detects the depth of the water body below the silt remover, and when the given depth is reached, the silt removal at the position can be stopped for transferring.

Preferably, the water depth detection device is a depth finder.

Still further, the desilting operation is in the process of going on, and the actual condition of accomplishing of desilting work is calculated to the flow of accessible material, the utility model discloses optimize this, give out concrete feasible scheme: the operation platform is provided with a flow velocity detection device.

Preferably, the flow velocity detection device is a spiral type flow velocity meter.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a pneumatic type desilting system, regard compressed air as the output of lift system, input the work head of the collection system continuously through the pressure-resistant pipeline, release in the material vertical lift pipe, the local vacuum that produces in this moment leads to the outside of tubes pressure to be greater than the intraductal pressure, under the effect of this pressure differential, mud, gravel, lump stone and other materials around the mouth of pipe of material vertical lift pipe enter into the collection system along with the rivers; after the compressed air enters the material vertical lifting pipeline, the compressed air and water flow form impact to generate a large amount of bubbles due to the energy of the compressed air, the bubbles float upwards in the pipeline and collide with each other to form large bubbles, and the bubbles are broken into small bubbles after the volume of the bubbles is increased to a certain degree. Under the circulation state, liquid, mud, gravel, lump stones and other materials driven by the liquid are influenced by partial vacuum formed by entering of bubbles and high-pressure gas, reach the top in the lifting pipe and are conveyed to the mud collecting bin, and are conveyed to slag conveying equipment through the horizontal pipeline slag conveying system after being separated from water. In the whole process, the pressure difference is utilized to extract water flow, and the sludge is driven by the water flow to realize dredging.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a diagram of the operating state of the dredging system;

FIG. 2 is a schematic view of the overall construction of the dredging system;

fig. 3 is a schematic view of the state of the underwater dredging machine during dredging.

In the above figures, the meaning of the reference numerals is: 1-a working platform; 2-a fuel oil power generation system; 3-an air compressor; 4-a gas storage tank; 5-a slag collecting device; 6-hoisting winch; 7-a lifting boom; 8-material vertical lift pipe; 9-a telescoping collection tube; 10-material conveying pipe; 11-anchor.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present invention.

It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.

It will be understood that when an element is referred to as being "connected," "connected," or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly adjacent" or "directly coupled" to another element, there are no intervening elements present. Other words used to describe the relationship between elements should be interpreted in a similar manner (e.g., "between … …" versus "directly between … …", "adjacent" versus "directly adjacent", etc.).

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.

It should also be noted that, in some alternative implementations, the functions/acts noted may occur out of the order noted in the figures. For example, two figures shown in succession may, in fact, be executed substantially concurrently, or the figures may sometimes be executed in the reverse order, depending upon the functionality/acts involved.

In the following description, specific details are provided to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. For example, systems may be shown in block diagrams in order not to obscure the examples in unnecessary detail. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring example embodiments.

Examples

As shown in fig. 1, fig. 2 and fig. 3, the present embodiment discloses a pneumatic dredging system, which includes an operation platform 1, wherein an air source device is disposed on the operation platform 1, and the air source device is connected to a dredging assembly; the dredging component comprises an air inlet pipe, one end of the air inlet pipe is communicated with the air source device, and the other end of the air inlet pipe is connected to the underwater dredger; the underwater silt remover comprises a pressure-resistant pipe and a collecting device which are sequentially communicated, wherein a conveying channel is arranged in the collecting device, an air inlet pipe is communicated with the pressure-resistant pipe, the air inlet pipe supplies air to the pressure-resistant pipe, and high-pressure air in the pressure-resistant pipe flows back in the collecting device to cause negative pressure in the conveying channel of the collecting device; the operation platform 1 is also provided with a material conveying pipe 10 and a slag collecting device 5 which are communicated with the conveying channel.

Above-mentioned disclosed pneumatic type desilting system provides high-pressure gas through air supply unit, and high-pressure gas flows back to transfer passage behind the silt remover under water, causes the negative pressure in the transfer passage, and collection system can adsorb submarine silt and carry to transfer passage in so, and silt and debris in the transfer passage are finally carried to collection sediment device 5 through material conveyer pipe 10 and are kept in, accomplish the desilting work so far.

In this embodiment, the slag collecting device 5 employs a slag collecting frame.

Specifically, negative pressure caused by high-pressure gas is used for realizing self-adsorption, the utility model discloses a collecting device is specifically explained, the collecting device comprises a shunt pipeline and a material vertical lifting pipe 8, the shunt pipeline is communicated with a pressure-resistant pipe and the material vertical lifting pipe 8, and the high-pressure gas enters the material vertical lifting pipe 8 from the shunt pipeline and then is transmitted upwards; the material vertical lifting pipe 8 is communicated with a material conveying pipe 10.

Specifically, the size of the work platform 1 in this embodiment is 27.0m in length, 9.0m in width, and 1.5m in depth; and the adopted material conveying pipe 10 is DN1020 multiplied by 12000 standard pipe.

The material lifting pipe is used for lifting silt and sundries at the bottom of the water, the silt and the sundries enter from the lower end of the material vertical lifting pipe 8 and are discharged from the upper end, and therefore the silt is cleaned; the material vertical lift pipe 8 is when absorbing silt and debris, the utility model discloses improve the structure of attracting department, it is specific, the lower port department of material vertical lift pipe 8 be connected with telescopic collection pipe 9.

Further, telescopic collection pipe 9's length is adjustable for the bottom surface structure of coping the submarine difference, it is concrete, the utility model discloses a scheme of optimization: the telescopic collecting pipe 9 comprises a multi-stage sleeved steel pipeline.

Specifically, the adopted multistage sleeved steel sleeve is a DN600 steel telescopic sleeve.

The operation platform 1 utilizes spontaneous energy to carry out functions, specifically, the operation platform 1 is provided with a fuel oil power generation system 2, and the fuel oil power generation system 2 supplies power for the operation platform 1.

Specifically, the fuel oil power generation system 2 adopts a fuel oil generator, and a diesel oil generator 150KW is selected according to the use of the embodiment.

The air source device is power for removing the sludge, and the power comes from the air source device; specifically, the air source device comprises an air compressor 3, an air supply pipe is connected to an air supply outlet of the air compressor 3, and the air source pipe is communicated with an air inlet pipe and sends high-pressure air of the air compressor 3 into the air inlet pipe.

Specifically, in the present embodiment, an air compressor 3 of the XAVS900CD type is used.

Underwater dredger submerges underwater at the working position, parks on work platform when out of work, the utility model discloses the placement system to underwater dredger optimizes, and is concrete, gives up as following feasible scheme: the working platform 1 is provided with a hoisting device, and the hoisting device is used for lowering and hoisting the underwater silt remover.

Specifically, the hoisting device comprises a hoisting suspender 7 and a hoisting winch 6, and the underwater dredging machine is pulled to ascend or descend by the winch. In this embodiment, 730 tx 15 mx 1 hoisting booms and 65 tx 250 mx 24mm tx 2 hoisting winches are used.

When carrying out the desilting during operation, operation platform 1 stops at the surface of water, and the desilting equipment of being convenient for is in continuous work under water, the utility model discloses optimize operation platform 1, give out following concrete feasible technical scheme: the operation platform 1 is provided with an anchor 11 mooring device, the anchor 11 mooring device comprises a plurality of anchor 11 mooring windlasses, and the anchor 11 mooring windlasses are connected with the anchors 11 and lower and lift the anchors 11.

When the dredging work is performed, the operation of anchoring 11 is performed, and when the transfer is performed after the dredging is completed, the operation of anchoring 11 is performed.

In this embodiment, 8t × 250m × Φ 24mm × 2 winches and 5t × 250m × Φ 24mm × 4 anchor 11-poise winches are used.

The bottom of water is generally earth, materials such as gravel and sand, if desilting equipment continuous operation will constantly deepen the degree of depth of water, and has satisfied the demand of desilting promptly after driving a certain amount of silt in fact, and to this the utility model discloses optimize, operation platform 1 on be equipped with depth of water detecting device. The water depth detection device continuously detects the depth of the water body below the silt remover, and when the given depth is reached, the silt removal at the position can be stopped for transferring.

Specifically, the water depth detection device adopts a depth finder with the specific model of HD-310.

The desilting operation is in the process of going on, and the actual condition of accomplishing of desilting work is calculated to the flow of accessible material, the utility model discloses optimize this, give out concrete feasible scheme: the operation platform 1 is provided with a flow velocity detection device.

Specifically, the flow velocity detection device adopts a spiral type flow velocity meter with the model of LS-20B.

The above embodiments are just examples of the present invention, but the present invention is not limited to the above optional embodiments, and the above technical features can be arbitrarily combined to obtain a new technical solution without contradiction, and a person skilled in the art can obtain other various embodiments by mutually arbitrarily combining the above embodiments, and any person can obtain other various embodiments by the teaching of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the following claims, and which can be used to interpret the claims.

Claims (10)

1. Pneumatic type desilting system, its characterized in that: the device comprises an operation platform (1), wherein an air source device is arranged on the operation platform (1) and is connected with a dredging component; the dredging component comprises an air inlet pipe, one end of the air inlet pipe is communicated with the air source device, and the other end of the air inlet pipe is connected to the underwater dredger; the underwater silt remover comprises a pressure-resistant pipe and a collecting device which are sequentially communicated, wherein a conveying channel is arranged in the collecting device, an air inlet pipe is communicated with the pressure-resistant pipe, the air inlet pipe supplies air to the pressure-resistant pipe, and high-pressure air in the pressure-resistant pipe flows back in the collecting device to cause negative pressure in the conveying channel of the collecting device; the operation platform (1) is also provided with a material conveying pipe (10) and a slag collecting device (5) which are communicated with the conveying channel.

2. The pneumatic dredging system of claim 1, wherein: the collecting device comprises a shunting pipeline and a material vertical lifting pipe (8), the shunting pipeline is communicated with the pressure-resistant pipe and the material vertical lifting pipe (8), and high-pressure gas enters the material vertical lifting pipe (8) from the shunting pipeline and then is transmitted upwards; the material vertical lifting pipe (8) is communicated with a material conveying pipe (10).

3. A pneumatic dredging system according to claim 2, characterized in that: the lower port of the material vertical lifting pipe (8) is connected with a telescopic collecting pipe (9).

4. A pneumatic dredging system according to claim 3, characterized in that: the telescopic collecting pipe (9) comprises a multi-stage sleeved steel pipeline.

5. The pneumatic dredging system of claim 1, wherein: the working platform (1) is provided with a fuel oil power generation system (2), and the fuel oil power generation system (2) supplies power to the working platform (1).

6. The pneumatic dredging system of claim 1, wherein: the air source device comprises an air compressor (3), an air supply pipe is connected to an air supply outlet of the air compressor (3), and the air source pipe is communicated with an air inlet pipe and sends high-pressure air of the air compressor (3) into the air inlet pipe.

7. The pneumatic dredging system of claim 1, wherein: the working platform (1) is provided with a hoisting device, and the hoisting device is used for lowering and hoisting the underwater silt remover.

8. The pneumatic dredging system of claim 1, wherein: the operation platform (1) is provided with an anchor (11) mooring device, the anchor (11) mooring device comprises a plurality of anchor (11) mooring windlasses, and the anchor (11) mooring windlasses are connected with the anchors (11) and are used for lowering and lifting the anchors (11).

9. The pneumatic dredging system of claim 1, wherein: the operation platform (1) is provided with a water depth detection device.

10. The pneumatic dredging system of claim 1, wherein: the operation platform (1) is provided with a flow velocity detection device.

Images