CN110550144A - Ship maintenance antifouling method - Google Patents
Ship maintenance antifouling method Download PDFInfo
- Publication number
- CN110550144A CN110550144A CN201910709180.3A CN201910709180A CN110550144A CN 110550144 A CN110550144 A CN 110550144A CN 201910709180 A CN201910709180 A CN 201910709180A CN 110550144 A CN110550144 A CN 110550144A
- Authority
- CN
- China
- Prior art keywords
- ship body
- paint
- ship
- protective net
- anode metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
- B05D7/544—No clear coat specified the first layer is let to dry at least partially before applying the second layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a ship maintenance antifouling method, which comprises the following operation steps: s1: driving a ship into a dock; s2: carrying out sand blasting treatment on the bottom of the ship body by using a high-pressure sand blasting machine; s3: carrying out flattening treatment on the surface of the ship body; s4: welding and fixing the anode metal protective net on the surface of the ship body, and pressing and attaching the anode metal protective net to the surface of the ship body; s5: spraying antirust paint, namely spraying the antirust paint on the surface of the ship body by using a spray gun, and uniformly covering the ship body and the anode metal protective net; s6: and spraying the antifouling paint on the surface of the ship body by using a spray gun. According to the invention, organisms, oil stains and rust layers attached to the surface of the ship bottom can be effectively removed through sand blasting, the anode metal protective net is added to form an electrochemical reaction with a ship body material, the ship body can be protected when the anti-rust paint and the anti-fouling paint are damaged, cuprous oxide added in the anti-fouling paint can be slowly released through the anti-fouling paint layer, and the influence of marine organisms on the ship body is reduced.
Description
Technical Field
The invention belongs to the technical field of ship maintenance, and particularly relates to an antifouling method for ship maintenance.
Background
a ship is a man-made vehicle that operates primarily in geographic water. In international trade activities, the volume of transportation of ships plays a major role. Since the ship is located in water, and there are up to 600 attached plants and 1300 attached animals in water, the attachment of these attachments to the bottom of the ship for a long time not only increases the running resistance of the ship, increases the fuel consumption, but also pollutes the bottom of the ship, and there is also oil leakage in the sea water. The ship body is polluted, the seawater is corrosive, and when the ship bottom protective paint is damaged, the ship body oxidation is accelerated, so that the ship body is seriously damaged.
Disclosure of Invention
The invention aims to provide a ship maintenance antifouling method to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a ship maintenance antifouling method comprises the following operation steps:
S1: driving a ship into a dock, and discharging the bearing water in the dock to enable the bottom of the ship body to be completely exposed out of the water surface;
S2: carrying out sand blasting treatment on the bottom of the ship body by using a high-pressure sand blasting machine to remove organisms, oil stains and an oxide layer attached to the surface of the ship body, then washing by using clean fresh water to remove sand blasting scum on the surface of the ship body, and timely absorbing water and drying by using rags;
S3: carrying out flattening treatment on the surface of the ship body, namely, firstly ejecting out a sunken part of the ship body from the inside to reset, then carrying out repair welding on the defect part of the ship body by using the same material as the ship body, and polishing and flattening after the repair welding material is fixed;
S4: welding and fixing the anode metal protective net on the surface of the ship body, and pressing and attaching the anode metal protective net to the surface of the ship body;
S5: spraying antirust paint, namely spraying the antirust paint on the surface of the ship body by using a spray gun, uniformly covering the ship body and the anode metal protective net, and completely drying the antirust paint for later use;
S6: spraying the antifouling paint, namely spraying the antifouling paint on the surface of the ship body by using a spray gun, uniformly covering an antirust paint coating, wherein the thickness of the antifouling paint coating is 20-30 mu m, and naturally drying the antifouling paint.
preferably, in step S2, the compressed air source pressure is 5-10bar, and the abrasive is any one of steel grit, steel balls and steel shots.
Preferably, in step S4, the anode metal protection net is made of zinc or aluminum, the coverage of the anode metal protection net is more than 75% of the surface of the ship body, and the thickness of the anode metal protection net is 0.4-0.6 mm.
preferably, 2-3 layers of the rust inhibitive paint are sprayed in the step S5, the thickness of each layer of the rust inhibitive paint is 15-20um, and the time difference between the spraying of the first layer of the rust inhibitive paint and the drying of the ship body in the step S2 is less than 6 hours.
Preferably, the antifouling paint in step S6 comprises the following components in parts by weight: 36-42 parts of rosin, 18-22 parts of ethylene, 5-10 parts of cuprous oxide and 4-6 parts of insecticide by mixing and stirring.
the invention has the technical effects and advantages that:
according to the invention, organisms, oil stains and rust layers attached to the surface of the ship bottom can be effectively removed through sand blasting, so that fine lines are distributed on the surface of the ship body, the rust-proof paint can be more firmly attached during subsequent spraying of the rust-proof paint, the stability of the rust-proof paint is improved, the anode metal protective net is added to form an electrochemical reaction with a ship body material, the ship body is subjected to electrochemical corrosion resistance by using the metal activity of the anode metal protective net material and a material with strong activity, the ship body can be protected when the rust-proof paint and the antifouling paint are damaged, the ship body is prevented from being rusted, the corrosion resistance of the ship body is improved, cuprous oxide added in the antifouling paint can be slowly released through the antifouling paint layer, so that the marine organisms are prevented from being attached to the ship body, and the influence of the.
Detailed Description
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
A ship maintenance antifouling method comprises the following operation steps:
s1: driving a ship into a dock, and discharging the bearing water in the dock to enable the bottom of the ship body to be completely exposed out of the water surface;
s2: carrying out sand blasting treatment on the bottom of the ship body by using a high-pressure sand blasting machine to remove organisms, oil stains and an oxide layer attached to the surface of the ship body, then washing by using clean fresh water to remove sand blasting scum on the surface of the ship body, and timely absorbing water and drying by using rags;
s3: carrying out flattening treatment on the surface of the ship body, namely, firstly ejecting out a sunken part of the ship body from the inside to reset, then carrying out repair welding on the defect part of the ship body by using the same material as the ship body, and polishing and flattening after the repair welding material is fixed;
S4: welding and fixing the anode metal protective net on the surface of the ship body, and pressing and attaching the anode metal protective net to the surface of the ship body;
s5: spraying antirust paint, namely spraying the antirust paint on the surface of the ship body by using a spray gun, uniformly covering the ship body and the anode metal protective net, and completely drying the antirust paint for later use;
S6: and (3) spraying the antifouling paint, namely spraying the antifouling paint on the surface of the ship body by using a spray gun, uniformly covering an antirust paint coating, wherein the thickness of the antifouling paint coating is 20 mu m, and naturally drying the antifouling paint.
in step S2, the compressed air source pressure is 5bar, and the abrasive is steel grit.
in the step S4, the anode metal protective net is made of zinc or aluminum, the coverage of the anode metal protective net is more than 75% of the surface of the ship body, and the thickness of the anode metal protective net is 0.4 mm.
2 layers of the anti-rust paint are sprayed in the step S5, the thickness of each layer of the anti-rust paint is 15um, and the time difference between the spraying of the first layer of the anti-rust paint and the drying of the ship body in the step S2 is less than 6 hours.
In the step S6, the antifouling paint comprises the following components in parts by weight: 36 parts of rosin, 18 parts of ethylene, 5 parts of cuprous oxide and 4 parts of insecticide by mixing and stirring.
example 2
A ship maintenance antifouling method comprises the following operation steps:
s1: driving a ship into a dock, and discharging the bearing water in the dock to enable the bottom of the ship body to be completely exposed out of the water surface;
S2: carrying out sand blasting treatment on the bottom of the ship body by using a high-pressure sand blasting machine to remove organisms, oil stains and an oxide layer attached to the surface of the ship body, then washing by using clean fresh water to remove sand blasting scum on the surface of the ship body, and timely absorbing water and drying by using rags;
S3: carrying out flattening treatment on the surface of the ship body, namely, firstly ejecting out a sunken part of the ship body from the inside to reset, then carrying out repair welding on the defect part of the ship body by using the same material as the ship body, and polishing and flattening after the repair welding material is fixed;
S4: welding and fixing the anode metal protective net on the surface of the ship body, and pressing and attaching the anode metal protective net to the surface of the ship body;
S5: spraying antirust paint, namely spraying the antirust paint on the surface of the ship body by using a spray gun, uniformly covering the ship body and the anode metal protective net, and completely drying the antirust paint for later use;
S6: and (3) spraying antifouling paint, namely spraying the antifouling paint on the surface of the ship body by using a spray gun, uniformly covering an antirust paint coating, wherein the thickness of the antifouling paint coating is 25 mu m, and naturally drying the antifouling paint.
In step S2, the pressure of the compressed air source is 8bar, and the grinding material is steel balls.
In the step S4, the anode metal protective net is made of zinc or aluminum, the coverage of the anode metal protective net is more than 75% of the surface of the ship body, and the thickness of the anode metal protective net is 0.5 mm.
2-3 layers of the anti-rust paint are sprayed in the step S5, the thickness of each layer of the anti-rust paint is 18um, and the time difference between the spraying of the first layer of the anti-rust paint and the drying of the ship body in the step S2 is less than 6 hours.
in the step S6, the antifouling paint comprises the following components in parts by weight: 39 parts of rosin, 20 parts of ethylene, 8 parts of cuprous oxide and 5 parts of insecticide by mixing and stirring.
Example 3
a ship maintenance antifouling method comprises the following operation steps:
s1: driving a ship into a dock, and discharging the bearing water in the dock to enable the bottom of the ship body to be completely exposed out of the water surface;
S2: carrying out sand blasting treatment on the bottom of the ship body by using a high-pressure sand blasting machine to remove organisms, oil stains and an oxide layer attached to the surface of the ship body, then washing by using clean fresh water to remove sand blasting scum on the surface of the ship body, and timely absorbing water and drying by using rags;
S3: carrying out flattening treatment on the surface of the ship body, namely, firstly ejecting out a sunken part of the ship body from the inside to reset, then carrying out repair welding on the defect part of the ship body by using the same material as the ship body, and polishing and flattening after the repair welding material is fixed;
S4: welding and fixing the anode metal protective net on the surface of the ship body, and pressing and attaching the anode metal protective net to the surface of the ship body;
s5: spraying antirust paint, namely spraying the antirust paint on the surface of the ship body by using a spray gun, uniformly covering the ship body and the anode metal protective net, and completely drying the antirust paint for later use;
s6: and (3) spraying the antifouling paint, namely spraying the antifouling paint on the surface of the ship body by using a spray gun, uniformly covering an antirust paint coating, wherein the thickness of the antifouling paint coating is 30 mu m, and naturally drying the antifouling paint.
In step S2, the compressed air source pressure is 10bar, and the abrasive is steel shot.
In the step S4, the anode metal protective net is made of zinc or aluminum, the coverage of the anode metal protective net is more than 75% of the surface of the ship body, and the thickness of the anode metal protective net is 0.6 mm.
3 layers of the anti-rust paint are sprayed in the step S5, the thickness of each layer of the anti-rust paint is 20um, and the time difference between the spraying of the first layer of the anti-rust paint and the drying of the ship body in the step S2 is less than 6 hours.
in the step S6, the antifouling paint comprises the following components in parts by weight: 42 parts of rosin, 22 parts of ethylene, 10 parts of cuprous oxide and 6 parts of insecticide by mixing and stirring.
according to the invention, organisms, oil stains and rust layers attached to the surface of the ship bottom can be effectively removed through sand blasting, so that fine lines are distributed on the surface of the ship body, the rust-proof paint can be more firmly attached during subsequent spraying of the rust-proof paint, the stability of the rust-proof paint is improved, the anode metal protective net is added to form an electrochemical reaction with a ship body material, the ship body is subjected to electrochemical corrosion resistance by using the metal activity of the anode metal protective net material and a material with strong activity, the ship body can be protected when the rust-proof paint and the antifouling paint are damaged, the ship body is prevented from being rusted, the corrosion resistance of the ship body is improved, cuprous oxide added in the antifouling paint can be slowly released through the antifouling paint layer, so that the marine organisms are prevented from being attached to the ship body, and the influence of the.
finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. a ship maintenance antifouling method is characterized in that: the method comprises the following operation steps:
S1: driving a ship into a dock, and discharging the bearing water in the dock to enable the bottom of the ship body to be completely exposed out of the water surface;
S2: carrying out sand blasting treatment on the bottom of the ship body by using a high-pressure sand blasting machine to remove organisms, oil stains and an oxide layer attached to the surface of the ship body, then washing by using clean fresh water to remove sand blasting scum on the surface of the ship body, and timely absorbing water and drying by using rags;
s3: carrying out flattening treatment on the surface of the ship body, namely, firstly ejecting out a sunken part of the ship body from the inside to reset, then carrying out repair welding on the defect part of the ship body by using the same material as the ship body, and polishing and flattening after the repair welding material is fixed;
S4: welding and fixing the anode metal protective net on the surface of the ship body, and pressing and attaching the anode metal protective net to the surface of the ship body;
S5: spraying antirust paint, namely spraying the antirust paint on the surface of the ship body by using a spray gun, uniformly covering the ship body and the anode metal protective net, and completely drying the antirust paint for later use; (ii) a
S6: spraying the antifouling paint, namely spraying the antifouling paint on the surface of the ship body by using a spray gun, uniformly covering an antirust paint coating, wherein the thickness of the antifouling paint coating is 20-30 mu m, and naturally drying the antifouling paint.
2. A marine vessel servicing anti-fouling method according to claim 1, characterized by: in step S2, the compressed air source pressure is 5-10bar, and the grinding material is any one of steel grit, steel balls and steel shots.
3. A marine vessel servicing anti-fouling method according to claim 1, characterized by: in the step S4, the anode metal protective net is made of zinc and aluminum, the coverage surface of the anode metal protective net is more than 75% of the surface of the ship body, and the thickness of the anode metal protective net is 0.4-0.6 mm.
4. A marine vessel servicing anti-fouling method according to claim 1, characterized by: and (3) spraying 2-3 layers of the anti-rust paint in the step S5, wherein the thickness of each layer of the anti-rust paint is 15-20um, and the time difference between the spraying of the first layer of the anti-rust paint and the drying of the ship body in the step S2 is less than 6 hours.
5. a marine vessel servicing anti-fouling method according to claim 1, characterized by: in the step S6, the antifouling paint comprises the following components in parts by weight: 36-42 parts of rosin, 18-22 parts of ethylene, 5-10 parts of cuprous oxide and 4-6 parts of insecticide by mixing and stirring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709180.3A CN110550144A (en) | 2019-08-01 | 2019-08-01 | Ship maintenance antifouling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709180.3A CN110550144A (en) | 2019-08-01 | 2019-08-01 | Ship maintenance antifouling method |
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| Publication Number | Publication Date |
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| CN110550144A true CN110550144A (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910709180.3A Pending CN110550144A (en) | 2019-08-01 | 2019-08-01 | Ship maintenance antifouling method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114507838A (en) * | 2021-12-29 | 2022-05-17 | 海洋石油工程股份有限公司 | Long-life static marine organism prevention treatment method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US819125A (en) * | 1901-06-29 | 1906-05-01 | George D Coleman | Method of applying antifouling coating to ships' bottoms. |
| JPH07315282A (en) * | 1994-05-26 | 1995-12-05 | Daikyo Manabu | Antifouling painting method for frp hull and antifouling frp hull |
| CN102070929A (en) * | 2010-11-18 | 2011-05-25 | 苏州美亚美建筑涂料有限公司 | Antifouling agent for coating |
| CN102336256A (en) * | 2011-05-27 | 2012-02-01 | 中国船舶重工集团公司第七二五研究所 | Method for preventing corrosion and marine creature fouling on ship propeller |
| CN104959294A (en) * | 2015-06-05 | 2015-10-07 | 吴俊娟 | Ship coating process |
| CN106179924A (en) * | 2016-07-15 | 2016-12-07 | 南通纺都置业有限公司 | Vessel coating technique |
| CN108816704A (en) * | 2018-06-15 | 2018-11-16 | 沪东中华造船(集团)有限公司 | A kind of LNG ship does not stain the construction method of anti-fouling paint with propeller |
-
2019
- 2019-08-01 CN CN201910709180.3A patent/CN110550144A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US819125A (en) * | 1901-06-29 | 1906-05-01 | George D Coleman | Method of applying antifouling coating to ships' bottoms. |
| JPH07315282A (en) * | 1994-05-26 | 1995-12-05 | Daikyo Manabu | Antifouling painting method for frp hull and antifouling frp hull |
| CN102070929A (en) * | 2010-11-18 | 2011-05-25 | 苏州美亚美建筑涂料有限公司 | Antifouling agent for coating |
| CN102336256A (en) * | 2011-05-27 | 2012-02-01 | 中国船舶重工集团公司第七二五研究所 | Method for preventing corrosion and marine creature fouling on ship propeller |
| CN104959294A (en) * | 2015-06-05 | 2015-10-07 | 吴俊娟 | Ship coating process |
| CN106179924A (en) * | 2016-07-15 | 2016-12-07 | 南通纺都置业有限公司 | Vessel coating technique |
| CN108816704A (en) * | 2018-06-15 | 2018-11-16 | 沪东中华造船(集团)有限公司 | A kind of LNG ship does not stain the construction method of anti-fouling paint with propeller |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114507838A (en) * | 2021-12-29 | 2022-05-17 | 海洋石油工程股份有限公司 | Long-life static marine organism prevention treatment method |
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Application publication date: 20191210 |