CN113277029B - Device and method for cleaning marine ship deck through supercharged cavitation - Google Patents
Device and method for cleaning marine ship deck through supercharged cavitation Download PDFInfo
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- CN113277029B CN113277029B CN202110538501.5A CN202110538501A CN113277029B CN 113277029 B CN113277029 B CN 113277029B CN 202110538501 A CN202110538501 A CN 202110538501A CN 113277029 B CN113277029 B CN 113277029B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B59/00—Hull protection specially adapted for vessels; Cleaning devices specially adapted for vessels
- B63B59/06—Cleaning devices for hulls
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- Combustion & Propulsion (AREA)
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Abstract
The invention relates to the field of cavitation cleaning, in particular to a device and a method for cleaning the surface of a deck by utilizing cavitation bubbles. The innovative points are that the marine vessel deck cleaning and rust removing device which can be adsorbed on the surface of a deck and still can normally work when a ship body is severely shaken is designed, and a brand new method for improving the cavitation effect by adjusting the pressure of a cleaning cabin and respectively carrying out rough cleaning and fine cleaning and rust removing on the deck by utilizing ultrasonic cavitation and laser cavitation technologies is provided, so that the fixed-point cleaning and rust removing of the deck can be realized, and the rust removing efficiency is improved.
Description
Technical Field
The invention belongs to a cavitation cleaning and rust removing technology, in particular to a device and a method for cleaning a marine vessel deck by using supercharged cavitation, which can clean the deck in a severe environment and ocean environment.
Background
When ultrasonic wave acts on liquid, tens of thousands of small bubbles can be generated, and the bubbles in the liquid vibrate under the action of a sound field to generate shock waves and high-speed jet flow to act on a wall surface, so that the wall surface is cavitated and peeled off. The principle of laser cavitation is similar to the principle, when laser acts on liquid, if laser energy reaches the breakdown threshold of a liquid medium, the liquid can be broken down to generate a plasma cavity, and the plasma cavity continues to absorb the laser energy, so that the expansion is accelerated to form cavitation bubbles. When the cavitation moves near the solid-liquid interface, the cavitation can generate a wall-approaching effect due to the pressure difference at two sides of the cavitation, and a mechanical action is formed on the surface of the material along with the action of shock waves and water jet in the cavitation pulsation collapse process, so that the cleaning function is achieved.
The increase of the pressure can enhance the cavitation effect, and the mechanical effect of cavitation on the wall surface is enhanced by increasing the pressure of the cleaning cabin, so that the cleaning and rust removing effect is enhanced, which has great significance in the field of cavitation cleaning, and related documents and patents about the method and the device in the aspect are not searched at present.
In the actual cleaning process, due to the harsh environment of the sea surface, the ship body is often subjected to severe shaking, the cleaning work of the deck cannot be normally carried out, and the deck on the ship must be cleaned regularly.
Disclosure of Invention
The invention provides a device and a method for cleaning a marine vessel deck by supercharged cavitation, which are used for thoroughly cleaning and derusting the deck and simultaneously meet the all-weather cleaning requirement.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a device of booster-type cavitation washing marine craft deck, includes adsorption system, cleaning system, turbocharging system, water absorption system, heating system and moving system, its characterized in that, adsorption system includes the support, four vacuum chuck of support installation all around, the washing cabin is installed to the support below, washing cabin bottom installation sealing washer, support and washing cabin pass through spring coupling, thereby firmly adsorb behind the deck and drive the support and compress tightly downwards behind the vacuum chuck evacuation and will wash the cabin sealed fixed.
In the above scheme, cleaning system includes that the ultrasonic wave shakes the board, the ultrasonic wave shakes the board and is connected with the stay cord, the stay cord is walked around the pulley and is twined the book on the cylinder, cylinder and motor are connected, the motor is used for driving the rotatory back of cylinder to drive the ultrasonic wave and shakes the board upset, the ultrasonic wave shakes board and hinged joint ultrasonic wave and shakes the board by the backup pad spacing, the hinge is promoted by electric putter, makes the ultrasonic wave shakes the board and can lateral shifting, the ultrasonic wave shakes the board and produces the cavitation bubble in aqueous induction and carry out the rough cleaning rust cleaning to the deck. The cleaning system further comprises a three-dimensional guide rail, the laser head is installed on the three-dimensional guide rail, an underwater camera and an underwater illuminating lamp are arranged on the laser head, and the cleaning cabin is connected with the water pump and the water tank through a water inlet pipe. Laser beam is launched to the laser head and is punctured water above the deck and produce the cavitation phenomenon and carry out the fixed point and wash the rust cleaning to the deck, the camera is used for monitoring the cleaning performance under water.
In the above scheme, the pressurization system comprises an air source, a micro mass flow meter and an air inlet valve. The air source, the micro mass flow meter, the air inlet valve and the cleaning cabin are communicated through an air inlet pipe.
In the above scheme, water absorption system is including the dish that absorbs water, it has the spring to absorb water to coil, the dish that absorbs water is pressed on the deck under the effect of spring after vacuum chuck work, the dish that absorbs water passes through the outlet pipe and is connected with the air pump, outlet pipe end-to-end connection has the sewage bin.
In the scheme, the heating system comprises a resistance wire, the resistance wire is wound on the inner wall of the cleaning cabin, the resistance wire dries a deck after heating and warming the cleaning cabin so as to prepare for subsequent manual spraying of the antirust paint, and the temperature inside the cleaning cabin is controlled by a thermocouple.
In the above scheme, the moving system includes the universal wheel support, the universal wheel support is fixed with the universal wheel, universal wheel support top and spring coupling, the universal wheel support is fixed by the spacer pin.
The invention also provides a method for cleaning the deck of the marine vessel by supercharged cavitation, which comprises the following steps:
1) fixing a sealed cleaning cabin: the vacuum sucker is sucked on the surface of the deck after being vacuumized, the water sucking disc is contacted with the surface of the deck under the action of the upper spring, the limit pin of the universal wheel bracket is pulled out, so that the universal wheel bracket moves upwards,
meanwhile, the bracket moves downwards, the cleaning cabin is firmly fixed on the deck under the combined action of the spring and the bracket and keeps perfect tightness,
2) and (4) injecting the water solution into the cleaning cabin to a certain height, and opening the air inlet valve to pressurize the cleaning cabin.
3) And (4) rough washing. And starting the ultrasonic vibration plate and simultaneously transversely moving the ultrasonic vibration plate to induce the ultrasonic vibration plate to generate a plurality of cavitation bubbles in water, and cleaning and derusting the deck by utilizing the force effect generated by the pulsation of the cavitation bubbles near the deck. After the deck is roughly washed, the motor drives the roller to rotate, and the pull rope drives the ultrasonic vibration plate to turn over, so that the ultrasonic vibration plate is vertically attached to the side wall of the cleaning cabin.
4) And (5) fine washing. The laser head works to control the movement of the three-dimensional slide rail to adjust the movement track of the laser head, and the laser head emits high-energy laser beams to generate vacuoles after puncturing the aqueous solution to clean and derust the deck.
5) After cleaning and derusting are finished, the air pump works, the water absorption disc starts to absorb sewage, and the sewage is stored in the sewage storage tank.
6) The deck is dry. And a resistance wire is heated to dry the deck after the temperature inside the cleaning cabin is raised, so that preparation is made for subsequent spraying of the antirust paint.
7) And moving the cleaning cabin. The vacuum chuck stops working, the universal wheel support restores to the original position under the action of the spring above the universal wheel support, the limiting pin is inserted to fix the universal wheel support, the cleaning cabin is suspended and separated from the deck, and then the cleaning cabin is pushed to move.
In the scheme, the air inlet flow is observed through the micro mass flow meter, the pressure in the cleaning cabin is controlled by the pressure control device, the derusting effect of the deck is monitored by the underwater camera, and the acquired picture is processed by the computer to identify the derusting effect.
The invention has the following specific advantages: (1) the pressurization system consisting of the pressure control device, the gas source, the micro mass flow meter, the gas inlet valve and the cleaning cabin can control the pressure in the cabin, and the mechanical effect of laser-induced cavitation is enhanced by pressurizing the cleaning cabin, so that the cleaning and rust removing effects are enhanced. (2) Ultrasonic cavitation and organ high technology are combined to respectively carry out rough cleaning and fine cleaning on the deck, so that the problem of incomplete cleaning by using ultrasonic cavitation is solved, the defect of low laser cavitation cleaning efficiency is overcome, and the cleaning and rust removing efficiency is improved. (3) The cleaning cabin is fixedly sealed on the deck through the adsorption system, the cleaning and rust removing work can not be limited by environmental factors, and all-weather work requirements can be realized.
Drawings
Fig. 1 is a schematic overall structure diagram of a pressurized cavitation cleaning device for a marine vessel deck.
Fig. 2 is a top view of an apparatus for pressurized cavitation cleaning of marine vessel decks.
Fig. 3 is a partial schematic view of a portion a of fig. 2.
Fig. 4 is a schematic diagram of a pressurized cavitation cleaning marine vessel deck movement apparatus.
In the figure: 1-a scaffold; 2-vacuum chuck; 3-gas source; 4-micro mass flow meter; 5-a water tank; 6-water inlet pipe; 7-a water pump; 8-an air inlet valve; 9-vacuole; 10-a support plate; 11-ultrasonic vibrating plate; 12-cleaning the cabin; 13-a three-dimensional sliding rail; 14-a spring; 15-a laser head; 16-an underwater camera; 17 underwater lighting lamps; 18-a thermocouple; 19-a pressure control device; 20-a pulley; 21-resistance wire; 22-a pull rope; 23-a roller; 24-a sealing ring; 25-deck; 26-an electric motor; 27-a sewage storage tank; 28-water outlet pipe; 29-an air pump; 30-a spring; 31-a water absorption disc; 32-a universal wheel support; 33-an electric push rod; 34-a hinge; 35-universal wheels; 36-a spring; 37-limit pin.
Detailed Description
The technical solution of the present invention will be described in more detail with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the device for cleaning marine vessel deck by supercharged cavitation of the invention comprises an adsorption system, a cleaning system, a supercharging system, a water absorption system, a heating system and a moving system, wherein the adsorption system comprises a support 1, four vacuum chucks 2 are arranged around the support 1, a cleaning cabin 12 is arranged below the support 1, a sealing ring 24 is arranged at the bottom of the cleaning cabin 12, the support 1 and the cleaning cabin 12 are connected by a spring 14, and after being vacuumized, the vacuum chucks 2 are firmly adsorbed on a deck 25 and drive the support 1 to press downwards so as to seal and fix the cleaning cabin 12. The cleaning system comprises an ultrasonic vibration plate 11, the ultrasonic vibration plate 11 is connected with a pull rope 22, the pull rope 22 winds around a pulley 20 and is wound on a roller 23, the roller 23 is connected with a motor 26, the motor 26 is used for driving the roller 23 to rotate and then drive the ultrasonic vibration plate 11 to turn over, the ultrasonic vibration plate 11 and a hinge 34 are connected with the ultrasonic vibration plate 11 and limited by a support plate 10, the hinge 34 is pushed by an electric push rod 33, the ultrasonic vibration plate 11 can move longitudinally, and the ultrasonic vibration plate 11 generates cavitation bubbles 9 in water in an induced mode to perform rough washing and rust removal on a deck. The cleaning system further comprises a three-dimensional guide rail 13, a laser head 15 is installed on the three-dimensional guide rail 13, an underwater camera 16 and an underwater illuminating lamp 17 are arranged on the laser head 15, and the cleaning cabin 12 is connected with the water pump 7 and the water tank 5 through a water inlet pipe 6. The laser head 15 emits laser beams to break through water above the deck to generate cavitation phenomena to clean and remove rust at fixed points on the deck 25, and the underwater camera 16 is used for monitoring the cleaning effect. The pressurization system comprises an air source 3, a micro mass flow meter 4 and an air inlet valve 8. The air source 3, the micro mass flow meter 4, the air inlet valve 8 and the cleaning cabin 12 are communicated through an air inlet pipe. The water absorption system comprises a water absorption disc 31, a spring 30 is arranged on the water absorption disc 31, the water absorption disc 31 is pressed on the deck 25 under the action of the spring 30 after the vacuum suction disc 2 works, the water absorption disc 31 is connected with an air pump 29 through a water outlet pipe 28, and the tail end of the water outlet pipe 28 is connected with a sewage storage tank 27. The heating system comprises a resistance wire 21, the resistance wire 21 is wound on the inner wall of the cleaning cabin 12, the resistance wire 21 dries the deck 25 after heating and warming the cleaning cabin 12, so that preparation can be made for subsequent manual spraying of antirust paint, and the temperature in the cleaning cabin 12 is monitored by a thermocouple 18. The moving system comprises a universal wheel bracket 32, a universal wheel 35 is fixed on the universal wheel bracket 32, a spring 37 is connected above the universal wheel bracket 32, and the universal wheel bracket 32 is fixed by a limit pin 36.
The specific embodiment is as follows: the vacuum sucker is sucked on the surface of the deck after being vacuumized, the water sucking disc is contacted with the surface of the deck under the action of the upper spring, the limiting pin of the universal wheel bracket is pulled out, the universal wheel bracket moves upwards, meanwhile, the bracket moves downwards, and the cleaning cabin is firmly fixed on the deck under the combined action of the spring and the bracket and keeps perfect sealing; injecting water solution into the cleaning cabin to a height of 50 mm away from the surface of the deck, opening an air inlet valve to pressurize the cleaning cabin, observing the air inlet flow from the micro mass flow meter, controlling the pressure in the cleaning cabin through a pressure control device, and opening the air inlet valve to pressurize the cleaning cabin to 0.5 MPa; and opening the ultrasonic vibration plate and simultaneously longitudinally moving the ultrasonic vibration plate to induce the ultrasonic vibration plate to generate a plurality of vacuoles in water, and cleaning and derusting the deck by utilizing the force effect generated by the pulsation of the vacuoles near the deck. After the deck is roughly washed, the motor drives the roller to rotate, and the pull rope drives the ultrasonic vibration plate to turn over, so that the ultrasonic vibration plate is vertically attached to the side wall of the cleaning cabin. And then starting fixed-point fine cleaning and rust removal of the deck, enabling the laser head to work, adjusting laser energy to 250 mJ, controlling the movement of the three-dimensional slide rail to adjust the movement track of the laser head, and enabling the laser head to emit high-energy laser beams to break down aqueous solution to generate vacuoles to clean and remove rust on the deck. Meanwhile, the underwater camera shoots the derusting condition of the deck, and the area with poor derusting effect is continuously cleaned at fixed points by using laser beams. After the rust removal is finished, the air pump works, the water absorption disc starts to absorb sewage, and the sewage is stored in the sewage storage tank. And then drying the deck, heating the resistance wires, heating the interior of the cleaning cabin, and drying the deck to prepare for subsequent spraying of the antirust paint. And finally, stopping the work of the vacuum chuck, restoring the universal wheel bracket to the original position under the action of a spring above the universal wheel bracket, inserting a limiting pin to fix the universal wheel bracket, suspending the cleaning cabin to be separated from the deck, and then pushing the cleaning cabin to move to the next region to be derusted.
Claims (7)
1. The device for cleaning the deck of the marine vessel by supercharged cavitation comprises an adsorption system, a cleaning system, a supercharging system, a water absorption system, a heating system and a moving system, and is characterized in that the adsorption system comprises a support (1), four vacuum chucks (2) are arranged on the periphery of the support (1), a cleaning cabin (12) is arranged below the support (1), a sealing ring (24) is arranged at the bottom of the cleaning cabin (12), the support (1) and the cleaning cabin (12) are connected through a spring (14), and the vacuum chucks (2) are firmly adsorbed on the deck (25) after vacuumizing to drive the support (1) to downwards compress so as to seal and fix the cleaning cabin (12); the cleaning system comprises an ultrasonic vibration plate (11), the ultrasonic vibration plate (11) is connected with a pull rope (22), the pull rope (22) winds around a pulley (20) and is wound on a roller (23), the roller (23) is connected with a motor (26), the motor (26) is used for driving the roller (23) to rotate and then drive the ultrasonic vibration plate (11) to turn over, the ultrasonic vibration plate (11) is connected with a hinge (34), the ultrasonic vibration plate (11) is limited by a support plate (10), the hinge (34) is pushed by an electric push rod (33), so that the ultrasonic vibration plate (11) can move transversely, and the ultrasonic vibration plate (11) induces cavitation bubbles (9) in water to perform rough cleaning and rust removal on a deck; the cleaning system further comprises a three-dimensional guide rail (13), the three-dimensional guide rail (13) is provided with a laser head (15), an underwater camera (16) and an underwater illuminating lamp (17) are arranged on the laser head (15), and the cleaning cabin (12) is connected with a water pump (7) and a water tank (5) through a water inlet pipe (6); the laser head (15) emits laser beams to break through water above the deck to generate cavitation phenomenon to clean and remove rust at fixed points on the deck (25), and the underwater camera (16) and the underwater illuminating lamp (17) are used for observing the cleaning effect; the pressurization system comprises an air source (3), a micro mass flowmeter (4) and an air inlet valve (8); the air source (3), the micro mass flow meter (4), the air inlet valve (8) and the cleaning cabin (12) are communicated through an air inlet pipe.
2. The device for supercharged cavitation cleaning of marine vessel decks according to claim 1, wherein the water suction system comprises a water suction disc (31), the water suction disc (31) is provided with a spring (30), the water suction disc (31) is pressed on the deck (25) under the action of the spring (30) after the vacuum suction disc (2) works, the water suction disc (31) is connected with the air pump (29) through a water outlet pipe (28), and the tail end of the water outlet pipe (28) is connected with the sewage storage tank (27).
3. The device for cleaning marine craft decks according to claim 1, wherein the heating system comprises a resistance wire (21), the resistance wire (21) is wound on the inner wall of the cleaning cabin (12), the resistance wire (21) heats the cleaning cabin (12) and dries the deck (25) after heating, so as to prepare for subsequent manual spraying of antirust paint, and the temperature inside the cleaning cabin (12) is monitored by a thermocouple (18).
4. Device for supercharged cavitation cleaning of marine vessel decks according to claim 1, characterised in that the moving system comprises a cardan wheel support (32), wherein a cardan wheel (35) is fixed to the cardan wheel support (32), wherein a spring (37) is connected above the cardan wheel support (32), and wherein the cardan wheel support (32) is fixed by a limit pin (36).
5. A method of cleaning a marine vessel deck using the apparatus for cleaning a marine vessel deck using supercharged cavitation of claim 1 comprising the steps of: 1) fixing a sealed cleaning cabin: the vacuum sucker is sucked on the surface of a deck after being vacuumized, the water sucking disc is contacted with the surface of the deck under the action of an upper spring, a limiting pin of the universal wheel support is pulled out, the universal wheel support moves upwards, the support moves downwards at the same time, the cleaning cabin is firmly fixed on the deck under the combined action of the spring and the support and keeps good sealing performance, 2) water solution is injected into the cleaning cabin to a certain height, and an air inlet valve is opened to pressurize the cleaning cabin; 3) rough washing; the ultrasonic vibration plate is started and is moved longitudinally at the same time, so that a plurality of cavitation bubbles are induced in water, and the cavitation bubbles are used for generating a force effect in the vicinity of the deck to clean and remove rust on the deck; after the deck is roughly cleaned, the motor drives the roller to rotate, and the pull rope drives the ultrasonic vibration plate to turn over, so that the ultrasonic vibration plate is vertically attached to the side wall of the cleaning cabin; 4) fine washing; the laser head works, the movement of the three-dimensional slide rail is controlled to adjust the movement track of the laser head, and the laser head emits high-energy laser beams to generate vacuoles after puncturing aqueous solution to clean and derust the deck; 5) after cleaning and derusting are finished, the air pump works, the water absorption disc starts to absorb sewage, and the sewage is stored in the sewage storage tank; 6) drying the deck; heating resistance wires, drying the deck after the temperature inside the cleaning cabin is raised, and preparing for spraying antirust paint subsequently; 7) moving the cleaning cabin; the vacuum chuck stops working, the universal wheel support restores to the original position under the action of the spring above the universal wheel support, the limiting pin is inserted to fix the universal wheel support, the cleaning cabin is suspended and separated from the deck, and then the cleaning cabin is pushed to move.
6. The method of claim 5, wherein the pressure in the cleaning chamber is controlled by a pressure control device consisting of a pressure sensor and a pressure controller by observing the flow rate of the intake air by a micro mass flow meter.
7. The method as claimed in claim 5, wherein the rust removing effect of the deck is monitored by an underwater camera, after the underwater camera shoots the area where rough cleaning and rust removing are completed, the obtained picture is processed by a computer to identify the rust removing effect, and the area with poor rust removing effect is cleaned by laser beam at fixed point.
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| CN202110538501.5A CN113277029B (en) | 2021-05-18 | 2021-05-18 | Device and method for cleaning marine ship deck through supercharged cavitation |
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| CN202110538501.5A CN113277029B (en) | 2021-05-18 | 2021-05-18 | Device and method for cleaning marine ship deck through supercharged cavitation |
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| CN113277029B true CN113277029B (en) | 2022-08-23 |
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| CN112722188A (en) * | 2021-02-02 | 2021-04-30 | 镇江恒昇船舶设备有限公司 | Cleaning device for ship deck and using method thereof |
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2021
- 2021-05-18 CN CN202110538501.5A patent/CN113277029B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101503221A (en) * | 2009-03-27 | 2009-08-12 | 中国海洋石油总公司 | Apparatus with sea marine organism pollution preventing function |
| CN107226180A (en) * | 2017-05-18 | 2017-10-03 | 武汉理工大学 | The dirty bottom monitoring remove device of ship based on cavitation technique |
| CN107470276A (en) * | 2017-08-29 | 2017-12-15 | 江苏大学 | A kind of apparatus and method for realizing laser cavitation cleaning material surface micronano particle |
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