CN118305157A - Exempt from automatically controlled type self-driven antifouling device that releases - Google Patents
Exempt from automatically controlled type self-driven antifouling device that releases Download PDFInfo
- Publication number
- CN118305157A CN118305157A CN202410433692.2A CN202410433692A CN118305157A CN 118305157 A CN118305157 A CN 118305157A CN 202410433692 A CN202410433692 A CN 202410433692A CN 118305157 A CN118305157 A CN 118305157A
- Authority
- CN
- China
- Prior art keywords
- antifouling
- frame plate
- anode
- driven
- fouling
- 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.)
- Pending
Links
- 230000003373 anti-fouling effect Effects 0.000 title claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000013535 sea water Substances 0.000 claims abstract description 17
- 239000003566 sealing material Substances 0.000 claims abstract description 7
- -1 silver ions Chemical class 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 14
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 239000004641 Diallyl-phthalate Substances 0.000 claims description 2
- 230000000844 anti-bacterial effect Effects 0.000 claims description 2
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 claims description 2
- 238000009694 cold isostatic pressing Methods 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 229910000510 noble metal Inorganic materials 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 230000004913 activation Effects 0.000 claims 1
- 238000013270 controlled release Methods 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 14
- 239000002184 metal Substances 0.000 abstract description 14
- 239000002519 antifouling agent Substances 0.000 abstract description 10
- 229910000881 Cu alloy Inorganic materials 0.000 abstract description 8
- YKPUWZUDDOIDPM-SOFGYWHQSA-N capsaicin Chemical compound COC1=CC(CNC(=O)CCCC\C=C\C(C)C)=CC=C1O YKPUWZUDDOIDPM-SOFGYWHQSA-N 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 abstract description 5
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 abstract description 4
- 229910001431 copper ion Inorganic materials 0.000 abstract description 4
- 229960002504 capsaicin Drugs 0.000 abstract description 3
- 235000017663 capsaicin Nutrition 0.000 abstract description 3
- 230000001133 acceleration Effects 0.000 abstract description 2
- 150000002739 metals Chemical class 0.000 abstract description 2
- 229910052709 silver Inorganic materials 0.000 abstract description 2
- 239000004332 silver Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010170 biological method Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000010411 electrocatalyst Substances 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000007321 biological mechanism Effects 0.000 description 1
- 230000003592 biomimetic effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- JFBJUMZWZDHTIF-UHFFFAOYSA-N chlorine chlorite Inorganic materials ClOCl=O JFBJUMZWZDHTIF-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
-
- 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
- B63B59/04—Preventing hull fouling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention belongs to the field of marine biofouling protection, and in particular relates to an electric control-free release type self-driven antifouling device, which comprises a main structure, a frame plate and a plurality of cathode plates and anode plates which are arranged on the frame plate at intervals, wherein insulating sealing materials are further arranged between the frame plate and the cathode plates and between the frame plate and the anode plates, and the anode is driven to be dissolved in an accelerating way by utilizing a large potential difference between a high-potential oxide and a hybridized copper alloy in seawater, so that the anode can automatically release multiple antifouling components such as copper ions, silver ions and capsaicin, achieve effective antifouling concentration in a certain water area, effectively antifouling to complex local structures such as sea water tanks, small-sized navigation vessels, high-precision motion mechanisms and the like in marine equipment, and the antifouling agent release rate, antifouling service life and structural form can be designed according to the environment where the protected structure is located, so that an external power supply is avoided, the antifouling agent is suitable for deep water change, the problem of contact acceleration corrosion with other structural dissimilar metals is avoided, the connecting engineering is small, and the antifouling structure is convenient to install and replace.
Description
Technical field:
The invention belongs to the field of marine biofouling protection, and particularly relates to an electric control release-free self-driven antifouling device which is used for preventing ships or marine facilities from being polluted, in particular to antifouling of complex local structures such as a sea water tank, a water permeable structure of a small-sized aircraft, a high-precision movement mechanism and the like.
The background technology is as follows:
The ocean is a huge ecological system, marine organisms can adhere and grow on the surfaces of various ocean engineering equipment to form fouling, and after fouling occurs on ships, problems such as navigational speed reduction, pipeline blockage and the like can occur, corrosion can be induced, heat exchange efficiency is reduced, and noise is increased; fouling of the moving mechanism of the marine facility can significantly affect the ability to move. Marine biofouling has been one of the challenges generally faced by various marine equipment and vessels, and effective measures are needed to prevent attachment of marine biofouling.
From the technical line point of view, antifouling is divided into physical, chemical and biological methods, wherein physical is physical removal or reduction or prevention of biological attachment, including mechanical removal, water jet decontamination, ultrasound, uv, low surface energy coating, etc.; the chemical method is to kill or inhibit adhesion of organisms by using specific chemical substances, including direct addition of medicaments, chemical antifouling paint, electrolytic seawater antifouling, electrolytic copper-aluminum antifouling, ozone and the like; biological methods are some biological mechanisms that inhibit adhesion, including biological antifouling agents, biomimetic coatings, and the like. The choice of anti-fouling technology is dependent on factors such as operating conditions, materials, economy, reliability, etc.
At present, the antifouling technology actually adopted by the marine equipment comprises antifouling paint, electrolytic seawater, electrolytic copper and aluminum, ultrasonic wave, ultraviolet irradiation technology and the like. Wherein, the coating technology is generally effective for coating surfaces, and the antifouling effect is poor for the space of the water tank; other antifouling technologies all need power supply, and for sea water tank structures, small-sized aircraft water permeable structures and movement mechanisms in marine equipment, internal coating construction is difficult and the service life of the coating is short; the outboard system is in tension power supply, the requirements on pressure-resistant watertight cabin penetrating flat cables and the like are high, and the cost is high.
In the prior art, russian patent 2020119751 discloses a device for protecting underwater objects from biological contamination, comprising an anode and a cathode, both of which are connected with a current source, the anode is an electrode pressed by copper and aluminum particles, the cathode is a metal plate, and the anode and the cathode are fixed by an electric insulation gasket; an antifouling device for generating oxygen on a seawater-contacting surface of a structure in contact with seawater to inhibit the adhesion growth of marine organisms on the seawater-contacting surface of the structure, disclosed in chinese patent 99812186.X, comprising: an anode forming member provided on a seawater side surface of a structure in contact with seawater through an insulating adhesive, an electro-catalyst having stable electrochemical activity and coated on the anode forming member, an electric conductor provided in contact with seawater, an external DC power supply having a positive electrode connected to the anode forming member or the electro-catalyst, a negative electrode connected to the electric conductor, and an automatic potential control member incorporated therein, the potential between the positive electrode and the negative electrode is set to a value that can generate oxygen without generating chlorine in seawater; The main structure of the distributed titanium alloy pipeline electrolytic antifouling device disclosed in Chinese patent 20110359816. X comprises a direct current power supply, electrolytic anodes, flange cathodes, cables, switching elements and titanium alloy pipelines, wherein ten switching elements are respectively and electrically connected with the positive output end of the direct current power supply to form ten relatively independent positive voltage output ends, and ten electrolytic anodes are respectively and alternately arranged on the titanium alloy pipelines and are respectively and independently connected with the electrolytic anodes through the cables; a flange-type cathode is arranged at one end of the titanium alloy pipeline and is electrically connected with the negative electrode output end of the direct current power supply; the inner wall of a titanium alloy pipeline is treated to prepare an electrolytic anode capable of electrolyzing seawater to generate chlorine and hypochlorite effective antifouling agent; The electrolytic anode is positioned at the joint of the titanium alloy pipeline, and the interval length of the electrolytic anode is determined by the maximum flow of water and the current output capacity of the direct current power supply; an external power supply is required for driving. The anti-biofouling coating based on the primary cell of the micron-sized double-metal lamellar structure disclosed in Chinese patent 202011270494.7 is formed by alternately stacking two metal lamellar layers with micron-sized thickness in a lap joint manner, wherein the electronegativity of the two metal lamellar layers is different; one of the metal layers is made of copper or copper alloy material, and the other metal layer is made of material with higher electronegativity than copper or copper alloy; or one of the metal layers is made of copper material, and the other metal layer is made of copper alloy material; Or two copper alloy materials with different electronegativity are selected by the two metal layers; after the anti-biofouling coating is immersed in the conductive aqueous solution, the lamellar sheet of copper or copper alloy and the lamellar sheet of another metal form a primary cell, and the copper or copper alloy is oxidized to release copper ions; the two metal layers with the thickness of micron are overlapped and alternated, and are stacked to form a coating to be coated on the surface of the component. However, according to the electrochemical principle, the voltage difference between the bimetal which is limited to the copper base is less than 200mV, the exposed area of the stacked anode and cathode is not large, the driving force is inevitably insufficient, copper ions are difficult to release and even passivate, in addition, the thickness of the bimetal coating which is used as a coating is limited, the design of long service life is not possible, particularly, a metal coating system can form a new galvanic corrosion problem on the sprayed part, the structure is a serious problem of accelerated corrosion, and the practical application is not facilitated. Thus, there is an urgent need for an anti-fouling device that does not require power, is simple to install, and can be designed according to cabin conditions and life requirements.
The invention comprises the following steps:
The invention aims to overcome the defects of the prior art, develop and design the self-driven anti-fouling device without electric control release, avoid external power supply, be suitable for water depth change, have the functions of life design and anti-fouling agent release rate regulation and control, and are convenient to install and replace, and the problem of involvement is not caused.
In order to achieve the above purpose, the main structure of the self-driven pollution-preventing device without electric control release comprises a frame plate and a plurality of cathode plates and anode plates which are arranged on the frame plate at intervals, and insulating sealing materials are arranged between the frame plate and the cathode plates and between the frame plate and the anode plates;
two ends of the frame plate are provided with a skeleton plate;
the frame plate is connected with the shell through a frame plate through bolts;
the shell is provided with a plurality of through holes and water permeable holes;
the through hole is provided with an insulating sleeve, so that the shell is convenient to connect with the bone plate;
the frame plate is provided with a groove, so that the cathode plate and the anode plate can be conveniently inserted.
The shell and the insulating sleeve are made of polyvinyl chloride and polytetrafluoroethylene;
the water permeable holes are passages for seawater to flow into the shell and are also release passages for anti-fouling ions;
The substrate of the cathode plate adopts titanium alloy, the outer surface is coated and sintered after being activated to prepare a noble metal oxide coating with high specific surface, the specific surface area of the oxide coating is directly related to the release rate of the anti-fouling agent, and the release rate of the anti-fouling agent is determined according to the water body and the exchange volume of the anti-fouling structure;
The anode plate is made of copper micro powder as a main material, silver powder, organic capsaicin and other antibacterial and antifouling components, cold-pressed into blocks by a cold isostatic pressing method, and placed on a frame plate in an interference fit mode, wherein the size of the blocks is directly related to the antifouling service life, and the specification of the blocks is calculated according to the overall antifouling service life requirement of a protected structure;
The insulating sealing material comprises epoxy resin and diallyl phthalate, and aims to isolate the cathode plate from the anode plate on the outer surface and prevent the structure from falling off and the efficiency from being reduced due to preferential dissolution of an interface between the cathode plate and the anode plate.
Compared with the prior art, the invention provides a self-driven sacrificial type anti-fouling device, which utilizes a large potential difference between a high potential oxide and a hybridized copper alloy to drive an anode to accelerate dissolution in seawater, so that the self-driven sacrificial type anti-fouling device automatically releases multiple anti-fouling components such as copper ions, silver ions, capsaicin and the like, achieves effective anti-fouling concentration in a certain water area range, effectively prevents complex local structures such as a sea water tank, a small-sized aircraft water permeable structure, a high-precision movement mechanism and the like in marine equipment, and can design the release rate of an anti-fouling agent, the anti-fouling service life and the structural form according to the environment where the protected structure is positioned, avoid the problems of external power supply, suitability for deep water change, no contact acceleration corrosion with other structural dissimilar metals, small involvement engineering and convenient installation and replacement; the novel anti-fouling agent release device is simple in structure, easy to replace in daily life, capable of meeting customized anti-fouling requirements, capable of remarkably improving anti-fouling efficiency, and meanwhile adjustable in service life and anti-fouling agent release rate, and has positive social and economic values.
Description of the drawings:
Fig. 1 is a schematic diagram of the principle of the main structure of the present invention.
Fig. 2 is a schematic diagram of the principle of the main structure of the housing according to the present invention.
Fig. 3 is a schematic diagram of the connection relationship between the present invention and the fixing bracket.
Fig. 4 is a schematic diagram of the present invention.
Fig. 5 is a schematic diagram of experimental results of a control group according to the present invention.
Fig. 6 is a schematic diagram of experimental results of an experimental group according to the present invention.
The specific implementation method comprises the following steps:
The invention is further described with reference to the drawings and detailed description.
Example 1:
The main structure of the electric-control-free release self-driven anti-fouling device is shown in fig. 1 and 2, and comprises a shell 1, a through hole 2, a water permeable hole 3, a cathode plate 4, an anode plate 5, a framework plate 6, a frame plate 7 and an insulating sealing material 8; two through holes 2 with insulating sleeves are formed in two sides of the surface of a shell 1 with a rectangular hollow structure, water permeable holes 3 which are arranged in an array manner are formed in the middle of the shell, frame plates 7 with grooves are arranged in the shell, a cathode plate 4 and an anode plate 5 which are arranged at intervals are embedded in the middle of the frame plates 7, and skeleton plates 6 with bolt holes are arranged at two ends of the shell, wherein the cathode plate 4 and the anode plate 5 are inserted in the grooves of the frame plates 7, and insulating sealing materials 8 are filled in the inserted positions; the housing 1 is bolted to the skeletal plate 6.
When the electric control release-free self-driven anti-fouling device according to the embodiment is used, as shown in fig. 3:
firstly, arranging two parallel surfaces provided with a through hole 2 and a water permeable hole 3 horizontally;
Then, the shell 1 and the fixed bracket 9 are fixed through the matching of the bolt 10 and the nut 12, and an insulating gasket 11 is arranged among the bolt 10, the nut 12 and the fixed bracket 9 to prevent the bolt 10 and the fixed bracket 9 from generating galvanic corrosion;
Finally, the fixing bracket 9 is connected to the member to be protected from contamination.
Example 2:
The embodiment relates to an electric control release-free self-driven anti-fouling device, as shown in fig. 4, taking a titanium alloy sample tube for protecting real sea throwing as an example, taking a titanium alloy sample tube with the electric control release-free self-driven anti-fouling device as an experimental group, and taking a titanium alloy sample tube without the electric control release-free self-driven anti-fouling device as a control group to carry out a marine organism fouling protection experiment;
placing the experimental group and the empty control group in a semi-open seawater box body at the same time, and soaking for 6 months in a real sea environment;
the experimental results are shown in fig. 5 and 6, the titanium alloy sample tube of the control group has obvious marine biofouling, the titanium alloy sample tube of the experimental group does not find the marine biofouling, and the practical antifouling effect of the electric control release-free self-driven antifouling device is obvious.
Claims (9)
1. An electric control release-free self-driven anti-fouling device is characterized in that a main body structure comprises a frame plate and a plurality of cathode plates and anode plates which are arranged on the frame plate at intervals.
2. An electrically controlled release-free self-driven anti-fouling device according to claim 1, wherein the frame plates are provided with skeleton plates at both ends.
3. An electrically controlled release-free self-driven anti-fouling device according to claim 2, wherein the frame plate is bolted to the housing via the frame plate.
4. The self-driven anti-fouling device without electric control release according to claim 3, wherein the shell is provided with a plurality of through holes and water permeable holes, and the water permeable holes are passages for seawater to flow into the shell and are also release passages for anti-fouling ions.
5. The self-driven anti-fouling device without electrically controlled release of claim 4 wherein the through hole is provided with an insulating sleeve, and the shell and the insulating sleeve are made of polyvinyl chloride and polytetrafluoroethylene.
6. An electrically controlled release-free self-driven anti-fouling device according to any one of claims 1-5, characterised in that the frame plate is provided with grooves.
7. The electric-controlled release-free self-driven anti-fouling device of claim 6, wherein an insulating sealing material is further arranged between the frame plate and the cathode plate and between the frame plate and the anode plate, and the insulating sealing material comprises epoxy resin and diallyl phthalate.
8. The self-driven anti-fouling device without electric control release according to claim 6, wherein the substrate of the cathode plate is titanium alloy, and the outer surface is coated and sintered after activation treatment to prepare a noble metal oxide coating;
the anode plate is made of copper micro powder as main material, antibacterial and antifouling components are added, cold-pressed into blocks by a cold isostatic pressing method, the blocks are arranged on the frame plate in an interference fit mode, and the specification of the blocks is calculated according to the overall antifouling service life of the protected structure.
9. The electrically controlled release-free self-driven anti-fouling device of claim 6, wherein, in use:
firstly, arranging two parallel surfaces provided with a through hole and a water permeable hole horizontally;
then, fixedly connecting the shell with the fixed bracket, and arranging an insulating gasket at the connecting position;
finally, the fixing bracket is connected with the member needing to be antifouling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410433692.2A CN118305157A (en) | 2024-04-11 | 2024-04-11 | Exempt from automatically controlled type self-driven antifouling device that releases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410433692.2A CN118305157A (en) | 2024-04-11 | 2024-04-11 | Exempt from automatically controlled type self-driven antifouling device that releases |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118305157A true CN118305157A (en) | 2024-07-09 |
Family
ID=91733131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410433692.2A Pending CN118305157A (en) | 2024-04-11 | 2024-04-11 | Exempt from automatically controlled type self-driven antifouling device that releases |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118305157A (en) |
-
2024
- 2024-04-11 CN CN202410433692.2A patent/CN118305157A/en active Pending
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