CN212641673U - Bubble curtain drainage system - Google Patents

Bubble curtain drainage system Download PDF

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Publication number
CN212641673U
CN212641673U CN202020266948.2U CN202020266948U CN212641673U CN 212641673 U CN212641673 U CN 212641673U CN 202020266948 U CN202020266948 U CN 202020266948U CN 212641673 U CN212641673 U CN 212641673U
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module
bubble curtain
collection module
pressure gas
exhaust hole
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向宏
程以炫
危卫
伍骏
陈熙宇
汪望明
李智
赵宁
张登泰
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CCCC Guangzhou Dredging Co Ltd.
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CCCC Guangzhou Dredging Co Ltd.
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Abstract

The utility model relates to a bubble curtain drainage, including opening the bubble curtain generating tube that has the exhaust hole, be used for to the high-pressure gas supply device of bubble curtain generating tube transport high-pressure gas, be used for gathering the first collection module of exhaust hole department gas velocity, be used for gathering the second collection module of velocity of water, with first collection module and second collection module electric connection's control module, and be used for adjusting the adjusting module of high-pressure gas flow, adjusting module and control module electric connection. In the operation process, acquire exhaust hole department gas discharge speed and velocity of water flow through first collection module, second collection module in real time, control module handles the data of gathering and controls adjusting module and carries out work, and this system can realize real time monitoring, makes the control of system more accurate to can be according to the velocity of water flow adjustment bubble curtain emergence pipe's of equidimension gas discharge speed, be adapted to the pollution discharge separation operation under the ocean current or river speed environment of equidimension not.

Description

Bubble curtain drainage system
Technical Field
The utility model relates to a dredge blowdown technical field, in particular to bubble curtain blowdown system.
Background
The traditional dredging construction can cause the suspended matters deposited in the surrounding water area to diffuse in water and even float on the water surface, thereby causing great pollution to the environment. In order to respond to national ecological environment protection laws and regulations, the problem of serious dredging pollution is urgently solved. The bubble curtain pipeline can play a certain blocking effect on the diffusion of surrounding suspended matters during the dredging operation, and not only allows ships and equipment to freely move on the bubble curtain, but also can block the suspended matters. However, in the dredging engineering, the environmental protection dredging using the antifouling system is still in the starting stage, and for the research on the lack of the specific antifouling system and antifouling property, the existing bubble curtain pollution discharge device can not realize real-time supervision and control, and can not be suitable for pollution discharge blocking operation under the environments of ocean currents or river velocities with different sizes.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bubble curtain drainage can realize real time monitoring, also can adapt to the blowdown separation operation under the ocean current or the river speed environment of equidimension not.
For realizing the purpose of the utility model, the technical proposal adopted is that:
the utility model provides a bubble curtain drainage, is including opening the bubble curtain generating tube that has the exhaust hole, be used for to bubble curtain generating tube carry high-pressure gas's high-pressure gas supply device, be used for gathering the first collection module of exhaust hole department gas velocity, be used for gathering the second collection module of water velocity, with first collection module and second collection module electric connection's control module, and be used for adjusting high-pressure gas flow's regulating module, regulating module and control module electric connection.
This bubble curtain drainage is at the operation in-process, through first collection module, second collection module acquires exhaust hole department gas discharge speed and velocity of water flow in real time, and send the data transmission who gathers to control module, control module handles received data, and judge whether the gas discharge speed of current exhaust hole department meets the demands, if unsatisfied the demands, then send signal for adjusting module, adjust high-pressure gas flow, increase or reduce the high-pressure gas flow to bubble curtain emergence pipe transport, thereby improve or reduce the gas discharge speed of exhaust hole department, ensure the separation effect, prevent to become invalid. The bubble curtain sewage discharge system can realize real-time monitoring, so that the system is more accurately controlled, and the gas discharge speed of the bubble curtain generating pipe can be adjusted according to the water flow speeds of different sizes, so that the bubble curtain sewage discharge system is suitable for sewage discharge blocking operation in ocean current or river speed environments of different sizes.
The technical scheme is further explained as follows:
further, the bubble curtain sewage system further comprises a third acquisition module for acquiring the flow of the high-pressure gas, and the third acquisition module is electrically connected with the control module. The high-pressure gas flow in the pipeline is monitored in real time through the third acquisition module, so that the control of the system is more accurate.
Further, a communicating pipe is connected between the bubble curtain generating pipe and the high-pressure gas supply device, the third acquisition module and the adjusting module are both connected to the communicating pipe, and the third acquisition module is arranged between the adjusting module and the high-pressure gas supply device.
Further, the bubble curtain sewage system further comprises a fourth acquisition module for acquiring the pressure of the communicating pipe and a fifth acquisition module for acquiring the pressure of the bubble curtain generating pipe, and the fourth acquisition module and the fifth acquisition module are both electrically connected with the control module. The accuracy of system control is further improved.
Further, the bubble curtain sewage system further comprises a display module for displaying each acquired data and an input module for inputting the data, and the display module and the input module are both electrically connected with the control module. The data collected by the system are observed in real time through the display module, so that observation and judgment are facilitated, data can be input through the input module, and setting and control of the system are facilitated.
Further, the bubble curtain sewage system also comprises computer equipment, and the computer equipment comprises a control module, a display module and an input module.
Further, the direction of placing of bubble curtain emergence pipe is arranged with the rivers direction is perpendicular, and bubble curtain emergence pipe has a plurality of exhaust holes along its self axis direction interval arrangement, and the opening in exhaust hole is towards the surface of water, and the one end of bubble curtain emergence pipe is the inlet end, and the other end is sealed to be set up, and the inlet end is used for inserting high-pressure gas, and the interval between two adjacent exhaust holes diminishes to the other end in proper order by the inlet end. The interval between two adjacent exhaust holes is diminished to the other end by the inlet end in proper order, improves the homogeneity of exhaust hole outlet flow, makes the gas velocity of flow at each exhaust hole roughly the same, makes the bubble curtain that produces form an even diaphragm, strengthens fluidic disturbance in the flow direction, strengthens the exchange process of fluid quality and energy, improves the separation effect.
Furthermore, the total number of the exhaust holes is N, the serial numbers of the exhaust holes are 1 to N from the air inlet end to the other end in sequence, and the distance between the nth exhaust hole and the (N + 1) th exhaust hole
Figure DEST_PATH_GDA0002840262630000031
Wherein N is more than or equal to 1 and less than N, N and N are natural numbers, and C is the distance between the 1 st exhaust hole and the 2 nd exhaust hole. The distance between two adjacent exhaust holes is attenuated from the air inlet end to the other end in sequence according to the formula, so that the uniformity of the outlet flow of the exhaust holes is further improved, and the blocking effect is improved.
Further, the central axes of all the exhaust holes are located on the same plane. The generated bubble curtain is more concentrated and the effect is better.
Furthermore, all the exhaust holes are the same in shape, and the shape of the exhaust holes is any one of triangle, circle, square and ellipse.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses in the operation in-process, through first collection module, second collection module acquires vent department gas emission speed and velocity of water flow in real time, and send the data acquisition to control module, control module handles received data, and judge whether current vent department's gas emission speed meets the requirements, if unsatisfied requirement, then send signal for adjusting module, adjust high-pressure gas flow, increase or reduce the high-pressure gas flow to the bubble curtain emergence pipe is carried, thereby improve or reduce vent department's gas emission speed, ensure the separation effect, prevent to become invalid. The bubble curtain sewage discharge system can realize real-time monitoring, so that the system is more accurately controlled, and the gas discharge speed of the bubble curtain generating pipe can be adjusted according to the water flow speeds of different sizes, so that the bubble curtain sewage discharge system is suitable for sewage discharge blocking operation in ocean current or river speed environments of different sizes.
Drawings
FIG. 1 is a schematic structural diagram of a bubble curtain drainage system according to an embodiment of the present invention;
fig. 2 is a schematic view of the arrangement of the exhaust holes of the bubble curtain generating tube according to the embodiment of the present invention.
Description of reference numerals:
10. the system comprises a high-pressure gas supply device, 20, a bubble curtain generating pipe, 210, an exhaust hole, 220, an air inlet end, 310, a first acquisition module, 320, a second acquisition module, 330, a third acquisition module, 340, a fourth acquisition module, 350, a fifth acquisition module, 40, computer equipment, 410, a control module, 420, a display module, 430, an input module, 440, a storage medium, 50, an adjusting module, 60, a communication pipe, 70, a tensioner and 80 water level.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings:
as shown in fig. 1 to 2, a bubble curtain drainage system includes a bubble curtain generation tube 20 with air vents 210, a high-pressure gas supply device 10 for supplying high-pressure gas to the bubble curtain generation tube 20, a first collection module 310 for collecting gas velocity at the air vents 210, a second collection module 320 for collecting water velocity, a control module 410 electrically connected to the first collection module 310 and the second collection module 320, and an adjustment module 50 for adjusting high-pressure gas flow, wherein the adjustment module 50 is electrically connected to the control module 410, the electrical connection may be wireless or wired, and different electrical connection modes are selected according to actual needs.
This bubble curtain drainage is at the operation in-process, through first collection module 310, second collection module 320 acquires exhaust hole 210 department gas discharge speed and water velocity in real time, and send the data of gathering to control module 410, control module 410 handles the data received, and judge whether current exhaust hole 210 department's gas discharge speed meets the demands, if unsatisfied the demands, then send signal for adjusting module 50, adjust high-pressure gas flow, increase or reduce the high-pressure gas flow to bubble curtain generating tube 20 transport, thereby improve or reduce the gas discharge speed of exhaust hole 210 department, ensure bubble curtain separation effect, prevent to become invalid. The bubble curtain sewage discharge system can realize real-time monitoring, so that the system is more accurately controlled, and the gas discharge speed of the bubble curtain generating pipe 20 can be adjusted according to the water flow speeds of different sizes, so that the bubble curtain sewage discharge system is suitable for sewage discharge blocking operation in ocean current or river speed environments of different sizes.
In this embodiment, the first collection module 310 is a wireless communication conductance probe, the second collection module 320 is a current meter, the adjustment module 50 is a flow control valve, and the first collection module 310, the second collection module 320 and the adjustment module 50 may also adopt other forms according to actual needs.
As shown in fig. 1, the control module 410 is integrated in the computer device 40, the computer device 40 further includes a display module 420 for displaying each collected data and an input module 430 for inputting data, and both the display module 420 and the input module 430 are electrically connected to the control module 410. The data collected by the system can be observed in real time through the display module 420, so that observation and judgment are facilitated, and the data can be input through the input module 430, so that the setting and control of the system are facilitated.
The computer arrangement 40 further comprises a storage medium 440, the storage medium 440 having a program stored thereon, the program being executed to perform a method of controlling a bubble curtain drainage system. The control method comprises the following steps:
the size of the exhaust holes 210 of the bubble curtain generating tube 20 and the distance between two adjacent exhaust holes 210 are set through the input module 430;
acquiring the water flow velocity of a dredging construction water area and the gas velocity at the exhaust holes 210 of the bubble curtain generating tube 20, and judging whether the gas velocity is within a preset range;
if the gas velocity deviates from the preset range, the control module 410 outputs a signal to start the adjustment module 50, and controls the flow of the high-pressure gas to the bubble curtain generating tube 20 until the gas velocity is controlled within the preset range.
In the present embodiment, the preset range of the gas velocity is set as follows:
the first condition is as follows: if the diameter of the exhaust hole 210 is 0.2mm and the water flow speed is 0.01m/s, the preset range of the gas speed is 1m/s or 4m/s, when the bubble curtain sewage system is in the environment, the gas speed is controlled in the preset range, the blocking effect of the system is improved to the maximum extent, and the preset range can be set to be 1 +/-0.1 m/s or 4 +/-0.1 m/s according to the actual situation;
case two: if the diameter of the vent hole 210 is 1mm and the water flow speed is 0.01m/s, the preset range of the gas speed is 1m/s or 4m/s, when the bubble curtain sewage system is in the environment, the gas speed is controlled in the preset range, the blocking effect of the system is improved to the maximum extent, and the preset range can be set to be 1 +/-0.1 m/s or 4 +/-0.1 m/s according to the actual situation;
case three: if the diameter of the exhaust hole 210 is 0.2mm and the water flow speed is 0.05m/s, the preset range of the gas speed is 4m/s, when the bubble curtain sewage system is in the environment, the gas speed is controlled in the preset range, the blocking effect of the system is improved to the maximum extent, and the preset range can be set to be 4 +/-0.1 m/s according to the actual situation;
case four: if the diameter of the vent hole 210 is 1mm and the water flow speed is 0.05m/s, the preset range of the gas speed is 4m/s, when the bubble curtain sewage system is in the environment, the gas speed is controlled in the preset range, the blocking effect of the system is improved to the maximum extent, and the preset range can be set to be 4 +/-0.1 m/s according to the actual situation.
As shown in fig. 1, the bubble curtain drainage system further includes a third collecting module 330 for collecting the flow rate of the high-pressure gas, the third collecting module 330 is electrically connected to the control module 410, and the flow rate of the high-pressure gas in the pipeline is monitored in real time through the third collecting module 330, so that the control of the system is more accurate. A communicating pipe 60 is connected between the bubble curtain generating tube 20 and the high pressure gas supply device 10, the third collecting module 330 and the adjusting module 50 are both connected to the communicating pipe 60, and the third collecting module 330 is disposed between the adjusting module 50 and the high pressure gas supply device 10.
In this embodiment, the third collecting module 330 is a gas mass flowmeter, and the third collecting module 330 may also take other forms according to actual needs.
As shown in fig. 1, the bubble curtain drainage system further includes a fourth collecting module 340 for collecting the pressure of the communicating pipe 60 and a fifth collecting module 350 for collecting the pressure of the bubble curtain generating pipe 20, the fourth collecting module 340 and the fifth collecting module 350 are both electrically connected to the control module 410, the adjusting module 50 is precisely controlled according to the data of the two pipe pressures, and the accuracy of the system control is further improved. The fourth collection module 340 is located above water and disposed between the high pressure gas supply device 10 and the adjustment module 50, and the fifth collection module 350 is located under water and disposed on the bubble curtain generating tube 20.
In this embodiment, the fourth collection module 340 and the fifth collection module 350 are both wireless pipeline pressure sensors, and the fourth collection module 340 and the fifth collection module 350 may also adopt other forms according to actual needs.
As shown in fig. 1, the high-pressure gas supply device 10 and the communication pipe 60, and the communication pipe 60 and the bubble curtain generating tube 20 are connected by flanges, so that the installation and the removal are facilitated. And the communicating pipe 60 and the bubble curtain generating pipe 20 are fixed at the water bottom by the tensioner 70, thereby improving the stability of the whole system.
In this embodiment, the body of bubble curtain generating tube 20 is flexible rubber hose, and communicating pipe 60 is then the plastics material, and plastic tubing and flexible rubber hose are all light in weight and anticorrosive, extension life, and the transportation of being convenient for is preserved. The body of the bubble curtain generating tube 20 and the communicating tube 60 may be made of other materials according to actual needs. The high-pressure gas supply device 10 is an air compressor, the air compressor is arranged on the land, and an emergency protection device and a grounding protection device are further arranged in a matched mode, so that the use is safer. The high-pressure gas supply device 10 may also take other forms according to actual needs.
As shown in fig. 1 to 2, the placing direction of the bubble curtain generating tube 20 is perpendicular to the water flow direction, the tube body of the bubble curtain generating tube 20 is provided with a plurality of vent holes 210 at intervals along the axis direction of the tube body, the first collecting modules 310 correspond to the vent holes 210 one to one, the openings of the vent holes 210 face the water surface 80, one end of the bubble curtain generating tube 20 far away from the air inlet 220 is sealed, and the distance between two adjacent vent holes 210 is gradually reduced from the air inlet 220 to the other end. Place the bed mud surface under water when bubble curtain generating tube 20 uses, the interval between two adjacent exhaust holes 210 diminishes to the other end in proper order by inlet end 220, improve the homogeneity of exhaust hole 210 export flow, the gaseous velocity of flow that makes each exhaust hole 210 department is roughly the same, the bubble curtain that makes the production forms one even diaphragm, strengthen fluidic disturbance in the flow direction, reinforce fluid quality and energy exchange process, improve bubble curtain drainage's separation effect.
In the present embodiment, as shown in fig. 2, the total number of the exhaust holes 210 is N, the number of the exhaust holes 210 is 1 to N from the air inlet end 220 to the other end, and the distance between the nth exhaust hole 210 and the (N + 1) th exhaust hole 210 is
Figure DEST_PATH_GDA0002840262630000071
Wherein N is more than or equal to 1 and less than N, N and N are natural numbers, and C is the distance between the 1 st exhaust hole 210 and the 2 nd exhaust hole 210. The distance between two adjacent exhaust holes 210 is sequentially attenuated from the air inlet end 220 to the other end according to the formula, so that the uniformity of the outlet flow of the exhaust holes 210 is further improved, and the blocking effect is improved. Before construction, the length required by the bubble curtain is determined according to the size of a dredging construction area, an initial value C of the hole interval is selected, and the total number of the orifices and the interval between two adjacent exhaust holes 210 are determined. The interval between two adjacent exhaust holes 210 may also be sequentially attenuated according to other manners.
The central axes of all the exhaust holes 210 are positioned on the same plane, so that the generated bubble curtain is more concentrated and the effect is better. In addition, the shape of all the exhaust holes 210 is the same, in this embodiment, the shape of the exhaust hole 210 is circular, and the shape of the exhaust hole 210 may be set to be other shapes such as triangle, square, ellipse, etc. according to actual needs.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a bubble curtain drainage, its characterized in that, including open the bubble curtain emergence pipe that has the exhaust hole, be used for to bubble curtain emergence pipe carries high-pressure gas's high-pressure gas supply arrangement, is used for gathering the first collection module of exhaust hole department gas velocity, the second collection module that is used for gathering velocity of water, with first collection module with second collection module electric connection's control module and be used for adjusting the regulating module of high-pressure gas flow, regulating module with control module electric connection.
2. The bubble curtain drainage system of claim 1, further comprising a third collection module for collecting a flow of high-pressure gas, the third collection module being electrically connected to the control module.
3. The bubble curtain drainage system according to claim 2, wherein a communicating pipe is connected between the bubble curtain generating pipe and the high-pressure gas supply device, the third collecting module and the adjusting module are both connected to the communicating pipe, and the third collecting module is disposed between the adjusting module and the high-pressure gas supply device.
4. The bubble curtain drainage system according to claim 3, further comprising a fourth collection module for collecting the pressure of the communicating pipe and a fifth collection module for collecting the pressure of the bubble curtain generating pipe, wherein the fourth collection module and the fifth collection module are both electrically connected to the control module.
5. The bubble curtain drainage system according to any one of claims 1 to 4, further comprising a display module for displaying each collected data and an input module for inputting data, wherein the display module and the input module are both electrically connected to the control module.
6. The bubble curtain drainage system of claim 5, further comprising a computer device, the computer device comprising the control module, the display module, and the input module.
7. The bubble curtain drainage system according to any one of claims 1 to 4, wherein the bubble curtain generating pipe is arranged in a direction perpendicular to a water flow direction, the bubble curtain generating pipe is provided with a plurality of exhaust holes at intervals along an axis direction of the bubble curtain generating pipe, one end of the bubble curtain generating pipe is an air inlet end, the other end of the bubble curtain generating pipe is sealed, the air inlet end is used for receiving high-pressure gas, and the distance between every two adjacent exhaust holes is gradually reduced from the air inlet end to the other end of the bubble curtain generating pipe.
8. The bubble curtain drainage system as claimed in claim 7, wherein the total number of the exhaust holes is N, the number of the exhaust holes is 1 to N from the air inlet end to the other end, and the interval between the nth exhaust hole and the (N + 1) th exhaust hole is
Figure DEST_PATH_FDA0002809885630000011
Wherein N is more than or equal to 1 and less than N, N and N are natural numbers, and C is the distance between the 1 st exhaust hole and the 2 nd exhaust hole.
9. The bubble curtain drainage system of claim 8, wherein the central axes of all the exhaust holes are located on the same plane.
10. The bubble curtain drainage system of claim 7, wherein all the exhaust holes have the same shape, and the shape of the exhaust holes is any one of a triangle, a circle, a square and an ellipse.
CN202020266948.2U 2020-03-06 2020-03-06 Bubble curtain drainage system Active CN212641673U (en)

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Application Number Priority Date Filing Date Title
CN202020266948.2U CN212641673U (en) 2020-03-06 2020-03-06 Bubble curtain drainage system

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Application Number Priority Date Filing Date Title
CN202020266948.2U CN212641673U (en) 2020-03-06 2020-03-06 Bubble curtain drainage system

Publications (1)

Publication Number Publication Date
CN212641673U true CN212641673U (en) 2021-03-02

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CN (1) CN212641673U (en)

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