CN114671003A - Antifouling device of water lubrication bearing and ship - Google Patents
Antifouling device of water lubrication bearing and ship Download PDFInfo
- Publication number
- CN114671003A CN114671003A CN202210165081.5A CN202210165081A CN114671003A CN 114671003 A CN114671003 A CN 114671003A CN 202210165081 A CN202210165081 A CN 202210165081A CN 114671003 A CN114671003 A CN 114671003A
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- water
- antifouling
- pipeline
- stern shaft
- pump
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/321—Bearings or seals specially adapted for propeller shafts
- B63H23/326—Water lubricated bearings
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/14—Alkali metal compounds
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/24—Halogens or compounds thereof
- C25B1/26—Chlorine; Compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/50—Processes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention relates to the technical field of bearing antifouling, and provides an antifouling device for a water lubrication bearing and a ship. The antifouling device for the water lubricated bearing comprises a first pipeline; the first pipeline is provided with a pump and an antifouling assembly, the pump is used for pumping seawater, a water inlet of the antifouling assembly is connected with the pump, a water outlet of the antifouling assembly is connected with a stern shaft bearing, and the antifouling assembly is used for electrolyzing seawater to generate an antifouling agent. According to the antifouling device for the water-lubricated bearing, the antifouling assembly is arranged, seawater can be electrolyzed by the antifouling assembly to generate the antifouling agent, and when a ship is in a berthing state, the antifouling agent can carry out antifouling treatment on the stern shaft bearing, so that marine organisms generated in the stern shaft bearing can be prevented from influencing the safety of the stern shaft bearing or the stern shaft.
Description
Technical Field
The invention relates to the technical field of bearing antifouling, in particular to an antifouling device of a water lubrication bearing and a ship.
Background
The stern shaft bearing of the ship is lubricated by seawater, and a gap is formed between the stern shaft and the stern shaft bearing and is filled with seawater. During the ship berthing at a wharf, marine organisms are easy to grow in the stern shaft bearing, and the safety of the stern shaft and the stern shaft bearing is influenced. Based on this, the antifouling device of a stern shaft bearing is designed to be unsmooth.
Disclosure of Invention
The invention provides an antifouling device for a water lubricated bearing and a ship, which are used for solving the defects that marine organisms are easy to grow in the water lubricated bearing and the safety of the water lubricated bearing is influenced in the prior art.
The invention provides an antifouling device of a water lubrication bearing, which comprises a first pipeline; the first pipeline is provided with a pump and an antifouling assembly, the pump is used for pumping seawater, a water inlet of the antifouling assembly is connected with the pump, a water outlet of the antifouling assembly is connected with a stern shaft bearing, and the antifouling assembly is used for electrolyzing seawater to generate an antifouling agent.
According to the present invention, there is provided an anti-fouling device for a water-lubricated bearing, the anti-fouling assembly comprising: the water inlet of the electrolytic tank is connected with the pump, and the water outlet of the electrolytic tank is connected with the stern shaft bearing; and the power supply is electrically connected with the electrolytic cell.
According to the anti-fouling device for the water-lubricated bearing, provided by the invention, the controller is arranged in the power supply, and the controller is electrically connected with the pump and the power supply.
According to the antifouling device for the water-lubricated bearing, provided by the invention, the bipolar electrode is arranged in the electrolytic tank.
According to the antifouling device for the water lubrication bearing, the anode of the bipolar electrode is a mixed metal oxide anode, and the cathode of the bipolar electrode is an industrial pure titanium cathode.
According to the anti-fouling device for the water-lubricated bearing provided by the invention, the first pipeline is also provided with: a filter located upstream of the pump; a first shut-off valve between the filter and the pump.
According to the anti-fouling device for the water-lubricated bearing provided by the invention, the first pipeline is also provided with: a second shut-off valve located between the pump and the electrolytic cell; and the third stop valve is positioned between the electrolytic bath and the stern shaft bearing.
According to the anti-fouling device for the water-lubricated bearing provided by the invention, the first pipeline is also provided with: and the flowmeter is positioned between the second stop valve and the electrolytic cell and is electrically connected with the controller.
The anti-fouling device for the water-lubricated bearing further comprises a second pipeline, wherein a water inlet of the second pipeline is connected with a water outlet of the pump, and a water outlet of the second pipeline is connected with the stern shaft bearing; and a fourth stop valve is arranged on the second pipeline.
The invention also provides a ship, which comprises a stern shaft bearing and the anti-fouling device of the water lubrication bearing, wherein the stern shaft bearing is connected with the anti-fouling device of the water lubrication bearing.
According to the antifouling device for the water-lubricated bearing, the antifouling assembly is arranged, seawater can be electrolyzed by the antifouling assembly to generate the antifouling agent, and when a ship is in a berthing state, the antifouling agent can carry out antifouling treatment on the stern shaft bearing, so that marine organisms generated in the stern shaft bearing can be prevented from influencing the safety of the stern shaft bearing or the stern shaft.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an anti-fouling device for a water lubricated bearing provided by the present invention;
reference numerals:
10: a first pipeline; 11: an electrolytic cell; 12: a power source; 13: a filter; 14: a first shut-off valve; 15: a pump; 16: a second stop valve; 17: a flow meter; 18: a third stop valve; 20: a second pipeline; 21: a fourth stop valve; 30: a stern shaft bearing; 100: a seawater system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The features of the terms first and second in the description and in the claims of the invention may explicitly or implicitly comprise one or more of these features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The antifouling device for a water lubricated bearing and a ship according to the present invention will be described with reference to fig. 1.
As shown in fig. 1, an embodiment of the present invention provides an anti-fouling device for a water-lubricated bearing, including a first pipeline 10, where the first pipeline 10 is provided with a pump 15 and an anti-fouling assembly, the pump is used for pumping seawater, a water inlet of the anti-fouling assembly is connected to the pump 15, a water outlet of the anti-fouling assembly is used for being connected to a stern shaft bearing 30, and the anti-fouling assembly is used for electrolyzing seawater to generate an anti-fouling agent.
Specifically, in the present invention, the water lubricated bearing means a bearing lubricated with seawater. In this embodiment, the stern shaft bearing 30 is sleeved outside the stern shaft, a certain gap is formed between an inner ring of the stern shaft bearing 30 and the stern shaft, the gap is filled with seawater, and when the ship is in a traveling state, the stern shaft bearing 30 can be lubricated and cooled by using the seawater.
Specifically, when the ship is in a berthing state, the first pipeline 10 is connected with the seawater system 100, and under the action of the pump 15, seawater enters the antifouling assembly from the first pipeline 10, the antifouling assembly can electrolyze the seawater to generate a sodium hypochlorite antifouling agent, and the sodium hypochlorite antifouling agent enters the stern shaft bearing 30 through the bulkhead of the ship through the first pipeline 10 to perform antifouling treatment so as to avoid marine organisms growing in the stern shaft bearing 30.
Further, in one embodiment of the present invention, the anti-fouling assembly comprises an electrolytic cell 11, wherein an electrode is disposed in the electrolytic cell 11, and seawater can be electrolyzed to generate the sodium hypochlorite anti-fouling agent.
It can be understood that: in the embodiment, the water-lubricated bearing is the stern shaft bearing 30, and the anti-fouling device of the water-lubricated bearing provided by the embodiment of the invention is also applicable to other water-lubricated bearings, and is not limited to the stern shaft bearing 30.
According to the antifouling device for the water-lubricated bearing, provided by the embodiment of the invention, the antifouling component is arranged, the antifouling component can electrolyze seawater to generate the antifouling agent, and when a ship is in a berthing state, the antifouling agent can perform antifouling treatment on the stern shaft bearing, so that marine organisms generated in the stern shaft bearing can be prevented from affecting the safety of the stern shaft bearing or the stern shaft.
As shown in FIG. 1, in one embodiment of the invention, the anti-fouling assembly comprises: an electrolytic cell 11 and a power source 12. The water inlet of the electrolytic bath 11 is connected with the pump 15, and the water outlet of the electrolytic bath 11 is connected with the stern shaft bearing 30. The power source 12 is electrically connected to the electrolytic bath 11.
In particular, the cell 11 can be designed as a modular structure, making full use of the space inside the ship's cabin. In this embodiment, the electrolytic cell 11 is a tubular structure, and a bipolar electrode is disposed in the cell, i.e. half of the electrode is an anode, and the other half is a cathode, wherein the anode is a Mixed Metal Oxide (MMO) anode, and the cathode is commercially pure titanium. When seawater enters the electrolytic bath 11, it can be electrolyzed into a sodium hypochlorite antifoulant to prevent marine growth.
Further, in the present embodiment, a controller and a current and voltage detecting component are disposed in the power supply 12, and when the current and voltage detecting component detects that the current or the voltage exceeds a preset value, the current and voltage detecting component sends a signal to the controller, and the controller controls the power supply 12 to stop outputting, so as to avoid burning out the electrode and the power supply 12.
Further, the controller is electrically connected to the pump 15, and when the pump 15 fails and stops working, the controller controls the power supply 12 to stop outputting.
Optionally, in this embodiment, the pipe of the first pipeline 10 is made of copper alloy to prevent the first pipeline 10 from corroding.
As shown in fig. 1, in one embodiment of the present invention, a filter 13 and a first shut-off valve 14 are further provided on the first pipeline 10. The filter 13 is located upstream of the pump 15 and the first shut-off valve 14 is located between the filter 13 and the pump 15.
Specifically, when the ship is in a berthing state, the first pipeline 10 takes water from the seawater system 100 under the action of the pump 15, seawater is filtered in the filter 13 and then enters the electrolytic bath 11 through the first stop valve 14 to be electrolyzed into a sodium hypochlorite anti-fouling agent, and the sodium hypochlorite anti-fouling agent enters the stern shaft bearing 30 to perform anti-fouling treatment on the stern shaft bearing 30.
Further, the first pipeline 10 is further provided with: a second stop valve 16 and a third stop valve 18. The second stop valve 16 is located between the pump 15 and the electrolytic tank 11 and the third stop valve 18 is located between the electrolytic tank 11 and the stern shaft bearing 30.
Specifically, when the ship is in a parking state, the first pipeline 10 is conducted, the first stop valve 14, the second stop valve 16 and the third stop valve 18 are all in a conducting state, seawater is electrolyzed in the electrolytic bath 11, and sodium hypochlorite antifouling agent is generated and enters the stern shaft bearing 30.
Further, in an embodiment of the present invention, the first pipeline 10 is further provided with a flow meter 17, the flow meter 17 is located between the second stop valve 16 and the electrolytic cell 11, and the flow meter 17 is electrically connected with the controller.
Specifically, when the first stop valve 14 and the second stop valve 16 are both in the on state, the flow meter 17 is used for detecting the flow rate of the seawater entering the electrolytic bath 11, and when the flow rate of the seawater detected by the flow meter 17 is smaller than a preset value, the flow meter 17 sends a signal to the controller, and the controller controls the power supply 12 to stop outputting, so as to avoid the electrodes and the power supply 12 from being burnt.
As shown in fig. 1, in an embodiment of the present invention, the anti-fouling device for water lubricated bearings further comprises a second pipeline 20, a water inlet of the second pipeline 20 is connected to a water outlet of the pump 15, a water outlet of the second pipeline 20 is connected to the stern shaft bearing 30, wherein the second pipeline 20 is further provided with a fourth stop valve 21.
Specifically, when the ship is in a ship-advancing state, the stern shaft rotates, and at this time, seawater lubricates and cools the stern shaft bearing 30. At this time, the first stop valve 14 in the first pipeline 10 is opened, the second stop valve 16 and the third stop valve 18 are closed, the power source 12 is turned off, and the operation of the electrolytic cell 11 is stopped. The fourth stop valve 21 on the second pipeline 20 is connected, seawater passes through the filter 13 and the first stop valve 14 under the action of the pump 15, enters the second pipeline 20, enters the stern shaft bearing 30 through the second pipeline 20, lubricates and cools the stern shaft bearing 30, and ensures that the stern shaft bearing 30 normally operates.
Optionally, in one embodiment of the present invention, the pipe of the second pipe 20 is also copper alloy.
According to the anti-fouling device for the water-lubricated bearing, provided by the embodiment of the invention, the first pipeline and the second pipeline are arranged, so that the first pipeline can be communicated when a ship is in a parking state, and the anti-fouling treatment is carried out on the stern shaft bearing, so that the safety of the stern shaft bearing is ensured; when the ship is in a running state, the second pipeline is communicated to lubricate and cool the stern shaft bearing, so that the normal operation of the stern shaft bearing is ensured. The anti-fouling device for the water-lubricated bearing provided by the embodiment of the invention can meet the requirements of fouling prevention and lubrication cooling of the stern shaft bearing when a ship is parked and runs in two working conditions, is simple to switch, is safe and reliable, and improves the safety of the ship.
The embodiment of the invention also provides a ship, which comprises a stern shaft bearing 30 and an antifouling device of a water lubrication bearing.
Specifically, the stern shaft bearing 30 is sleeved outside the stern shaft, a certain gap exists between the stern shaft bearing 30 and the stern shaft, the stern shaft bearing 30 is provided with a connecting hole, the first pipeline 10 of the antifouling device of the water lubrication bearing is connected with the connecting hole of the stern shaft bearing 30, so that a sodium hypochlorite antifouling agent generated after the antifouling assembly electrolyzes seawater flows into the stern shaft bearing 30, and marine organisms are prevented from growing in the stern shaft bearing 30.
According to the ship provided by the embodiment of the invention, the antifouling device of the water lubrication bearing is arranged, seawater can be electrolyzed to generate the antifouling agent, and when the ship is in a parking state, the antifouling agent performs antifouling treatment on the stern shaft bearing, so that marine organisms generated in the stern shaft bearing can be prevented from influencing the safety of the stern shaft bearing or the stern shaft, and the safety of the ship is further improved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An anti-fouling device of a water-lubricated bearing is characterized by comprising a first pipeline;
the first pipeline is provided with a pump and an antifouling assembly, the pump is used for pumping seawater, a water inlet of the antifouling assembly is connected with the pump, a water outlet of the antifouling assembly is connected with a stern shaft bearing, and the antifouling assembly is used for electrolyzing seawater to generate an antifouling agent.
2. The anti-fouling device for a water-lubricated bearing according to claim 1, wherein the anti-fouling assembly comprises:
the water inlet of the electrolytic tank is connected with the pump, and the water outlet of the electrolytic tank is connected with the stern shaft bearing;
and the power supply is electrically connected with the electrolytic cell.
3. The anti-fouling device for a water-lubricated bearing according to claim 2, wherein a controller is disposed within the power supply, the controller being electrically connected to the pump and the power supply.
4. The anti-fouling device for a water-lubricated bearing according to claim 2, wherein a bipolar electrode is disposed in the electrolytic bath.
5. The anti-fouling device for a water-lubricated bearing according to claim 4, wherein the anode of the bipolar electrode is a mixed metal oxide anode and the cathode of the bipolar electrode is an industrially pure titanium cathode.
6. The anti-fouling device for a water-lubricated bearing according to claim 3, wherein the first pipeline is further provided with:
a filter located upstream of the pump;
a first shut-off valve between the filter and the pump.
7. The anti-fouling device for a water-lubricated bearing according to claim 6, wherein the first pipeline is further provided with:
a second shut-off valve located between the pump and the electrolytic cell;
and the third stop valve is positioned between the electrolytic bath and the stern shaft bearing.
8. The anti-fouling device for a water-lubricated bearing according to claim 7, wherein the first pipeline is further provided with:
and the flowmeter is positioned between the second stop valve and the electrolytic cell and is electrically connected with the controller.
9. The anti-fouling device for water-lubricated bearings according to claim 1, further comprising a second pipeline, wherein the water inlet of the second pipeline is connected with the water outlet of the pump, and the water outlet of the second pipeline is connected with the stern shaft bearing;
and a fourth stop valve is arranged on the second pipeline.
10. A ship comprising a stern shaft bearing and the anti-fouling device of a water-lubricated bearing according to any one of claims 1 to 9, said stern shaft bearing being connected to the anti-fouling device of the water-lubricated bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210165081.5A CN114671003A (en) | 2022-02-18 | 2022-02-18 | Antifouling device of water lubrication bearing and ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210165081.5A CN114671003A (en) | 2022-02-18 | 2022-02-18 | Antifouling device of water lubrication bearing and ship |
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| Publication Number | Publication Date |
|---|---|
| CN114671003A true CN114671003A (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210165081.5A Pending CN114671003A (en) | 2022-02-18 | 2022-02-18 | Antifouling device of water lubrication bearing and ship |
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| CN (1) | CN114671003A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1099686A (en) * | 1964-09-14 | 1968-01-17 | Internat Paints Ltd | Improvements in or relating to the prevention of fouling |
| CN104724271A (en) * | 2015-03-18 | 2015-06-24 | 青岛双瑞海洋环境工程股份有限公司 | Marine portable propeller anti-fouling device |
| CN106883725A (en) * | 2017-02-17 | 2017-06-23 | 中国船舶重工集团公司第七二五研究所 | A kind of double-component propeller antifouling paint |
| CN107577847A (en) * | 2017-08-08 | 2018-01-12 | 中国船舶重工集团公司第七〇九研究所 | A kind of antifouling decoction fill method of bearing based on FLUENT |
| CN214397177U (en) * | 2021-03-11 | 2021-10-15 | 启东恒昊船舶科技有限公司 | Safety synergistic device for ship stern tube bearing system |
-
2022
- 2022-02-18 CN CN202210165081.5A patent/CN114671003A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1099686A (en) * | 1964-09-14 | 1968-01-17 | Internat Paints Ltd | Improvements in or relating to the prevention of fouling |
| CN104724271A (en) * | 2015-03-18 | 2015-06-24 | 青岛双瑞海洋环境工程股份有限公司 | Marine portable propeller anti-fouling device |
| CN106883725A (en) * | 2017-02-17 | 2017-06-23 | 中国船舶重工集团公司第七二五研究所 | A kind of double-component propeller antifouling paint |
| CN107577847A (en) * | 2017-08-08 | 2018-01-12 | 中国船舶重工集团公司第七〇九研究所 | A kind of antifouling decoction fill method of bearing based on FLUENT |
| CN214397177U (en) * | 2021-03-11 | 2021-10-15 | 启东恒昊船舶科技有限公司 | Safety synergistic device for ship stern tube bearing system |
Non-Patent Citations (1)
| Title |
|---|
| 涂湘缃: "《实用防腐蚀工程施工手册》", 30 April 2000, 化学工业出版社 * |
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