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NLBÀÇ HydroPrep¢â ½Ã½ºÅÛÀº grit blastingº¸´Ù ¼º´ÉÀÌ ¿ì¼öÇÕ´Ï´Ù.
¶ÇÇÑ ¿ì¼öÇÑ Ç¥¸éÇ°ÁúÀ» º¸ÁõÇÕ´Ï´Ù. |
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¤· Grit (sand) ±¸¸Å, º¸°ü, óºÐºñ¿ëÀÌ ¾øÀ½
¤· Grit blasting½Ã »ý±â´Â °ø±â Áß ºÐÁø ¹ß»ýÀÌ °ÅÀÇ ¾øÀ½
¤· ¹æ¼öÆ÷ µîÀÇ ÇÊ¿ä°¡ °ÅÀÇ ¾øÀ½
¤· Æó±â¹°ÀÌ °ÅÀÇ ¾øÀ½
¤· Ŭ¸®´×°ú Æó±â¹°Ã³¸®°¡ ÇöÀúÇÏ°Ô ´Ü¼øÈ
¤· ¿îÀüºñ¿ë°ú À¯Áöº¸¼öºñ¿ë
¤· Àå¼Ò¿¡ ±¸¾Ö ¹ÞÁö ¾ÊÀ½
¤· °ø±â Áß ¿À¿°¹°ÁúÀÌ °ÅÀÇ ¾øÀ½
¤· ´«¿¡ º¸ÀÌÁö ¾Ê´Â ¿À¿°¹°Áú Á¦°Å(¿°¼Ò µî)
¤· ¼ÒÀ½ °¨¼Ò
¤· ¹°¼Ò¸ð·® ÀûÀ½ (2~3 gallon)
¤· ÀÛ¾÷ÀÚ ±³À°ÈÆ·Ã ÃÖ¼ÒÈ |
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¤· ¿öÅÍÁ¬Àº ¿°ºÐÁ¦°Å¿ëÀ¸·Î Ç¥¸é°ÅÄ¥±â SC-2±âÁØÀ» ¸¸Á·ÇÏ´Â À¯ÀÏÇÑ °ø¹ý
¤· ¿°ºÐÀº Á¢ÂøÀ» ¹æÇØÇÏ°í ¼º°øÀûÀÎ ÄÚÆÃÀÛ¾÷ ¹æÇØ
¤· ±×¸®Æ® ºí¶ó½ºÆýÿ¡´Â ¿°ºÐÀÌ ±Ý¼Ó³» ijºñƼ¿¡ °¤Èû
¤· ¿öÅÍÁ¬Àº ÃÊ°í¾Ð¼ö(40,000 psi, or 2,800 bar) ¸¦ »ç¿ëÇÏ¿© |
¤ý ÀÌ·¯ÇÑ ºÎ½Ä ¼¿ÀÌ Çü¼ºµÇÁö ¾Êµµ·Ï,
¤ý Ç¥¸éÀÇ ¿ø·¡ ÇÁ·ÎÆÄÀÏ(profile)ÀÌ È¸º¹µÇµµ·Ï,
¤ý ÃæºÐÈ÷ ±í°Ô Ŭ¸®´× |
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¤· ¹þ°ÜÁø ÆäÀÎÆ® Á¶°¢, ´¾îºÙÀº ±×¸®½º³ª ¿ÀÀÏ Â±â Á¦°Å
¡æ 5,000 to 10,000 psi (350 to 700 bar)
¤· ³ì, ±âÆ÷, ´Ü´ÜÈ÷ Á¢ÂøµÈ ÆäÀÎÆ® Á¦°Å
¡æ 10,000 to 20,000 psi (700 to 1,400
bar)
¤· ±Ý¼ÓÇ¥¸éÀÌ µå·¯³ª´Â ¿ÏÀüÇÑ Á¦°Å
¡æ 20,000 to 40,000 psi (1,400 to 2,800
bar)
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¤· °ø±â Áß ºÐÁøÀÌ grit (sand) blastingÀÇ ÁÖ¿ä°ü½É»ç
¤· ¿öÅÍÁ¬ ÀÛ¾÷ÀÌ °ø±â Áß ºÐÁøÀ» È®½ÇÇÏ°Ô °¨¼Ò
¤· ȯ°æº¸°ÇÃø¸é°ú ºÐÁøÀ» ¾ïÁ¦Çϱâ À§ÇØ ¹ß»ýµÇ´Â ºñ¿ëÀý°¨ |
Method |
Micrograms of Lead per Cubic
Meter |
Low-Volume Slurry Blasting |
5 |
High-Pressure Water Jetting
- 20,000 to 40,000 psi
(1,400 to 2,800 bar)
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8 |
Hand and Powered Tool Cleaning
Containment with Recyclable |
680 |
Metallic Media |
3,015 |
Open Air Abrasive Blasting |
13,439 |
Source: National Shipbuilding
Research Program, 1998 |
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¤· ¾ãÀº ³ìÀº ½ºÆ¿ÀÌ ¾àÇÏ°Ô »êÈµÈ Ãþ, ¹°ÀÌ Áõ¹ßµÉ ¶§ »ý±è
¤· Àû´çÇÏ°Ô ¾ã°Ô ³¤ ³ìÀº ÄÚÆà ¼º´É¿¡ ÀúÇصÇÁö ¾ÊÀ½
¤· ¿öÅÍÁ¬ ó¸®µÈ Ç¥¸éÀÇ Á¢Âø·ÂÀº ±×¸®Æ® ºí¶ó½ºÆÃÀ¸·Î ó¸®µÈ Ç¥¸éº¸´Ù °°°Å³ª ¶Ù¾î³²
¤· IPC(International Protective Coatings), Hempel,
Jotun °°Àº ÄÚÆà Á¦Á¶¾÷üµéÀÌ ¿öÅÍÁ¬ ģȿë ÄÚÆà °³¹ß
¤· ÀÌ »õ·Î¿î ÄÚÆÃÀº ³ìÀ» Àû¼Å ½ºÆ¿¿¡ ´õ ÁÁÀº Á¢Âø·ÂÀ» °®°Ô ÇÔ |
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¤· ¾ÐÃà°ø±â(dry compressed air)¸¦ »ç¿ëÇÏ¿© ¾ãÀº ³ìÃþÀ» ÃÖ¼ÒÈ
¤· ÀÛ¾÷ÀÚ ÇÑ»ç¶÷Àº?¿öÅÍÁ¬À¸·Î Ç¥¸éó¸® ÇÏ°í ´Ù¸¥ ÀÛ¾÷ÀÚ°¡ ¿öÅÍÁ¬À¸·Î Ŭ¸®´×µÈ
Ç¥¸é¿¡ ¾ÐÃà°ø±â¸¦ ¾Æ·§¹æÇâÀ¸·Î ºÐ»çÇÏ¸é ¾ãÀº ³ìÃþÀÇ ¹ß»ýÀ» ÇöÀúÇÏ°Ô ÁÙÀϼöÀÖÀ½
¤· À½Áø°øÈíÀԽýºÅÛÀ» »ç¿ëÇÏ¸é ¾ãÀº ³ìÃþÀÇ ¹ß»ý·®À» È®½ÇÇÏ°Ô °¨¼Ò½ÃÅ´
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¤· ¿öÅÍÁ¬Àº ¿ÜºÎÀÇ ÄÚÆÃÀ» Á¦°ÅÇÏ°í ±× ¹ØÀÇ »óÅ°¡ ÁÁÀº 1Â÷µµÀå(primary)Àº
³²±è
¤· 1Â÷µµÀåÀº ·ÎÅ×ÀÌÆà °Ç¿¡ ÀÇÇØ ÇÁ·ÎÆÄÀÏÀÌ »ý±â°Ô µÇ´Âµ¥, ¼ÕÀ¸·Î ¸¸Á®º¸¸é ´À³¦À»
¾Ë ¼ö ÀÖÀ½
¤· ÀÌ´Â ÀÛ¾÷¿Ï·á±îÁöÀÇ ½Ã°£°ú Àç·á¸¦ Àý°¨
¤· ¼±ÁÖ³ª ÅÊÅ© ¿À³ÊµéÀÇ ºñ¿ëÀ» °¨¼Ò
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SRT-10
Crawler |
SRT-6
VertaJet¢â
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Accessory |
Max. Pressure |
Max. Flow |
Air Requirement |
Vacuum Requirement
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Vacuum Attachment
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SRT-10 Crawler |
40,000 psi (2,800
bar) |
10 gpm (37.8 lpm) |
70 scfm @ 100 psi
(33 l/s @ 6.9 bar) |
500 cfm @ 24¡± Hg (850
m3/hr @ 24¡± Hg)
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4¡± (10.2 cm) |
SRT-6 VertaJet¢â |
40,000 psi (2,800
bar) |
6 gpm (23 lpm) |
20 scfm @ 90 psi (9.4
l/s @ 6 bar) |
90-300 cfm @ 3¡± Hg
max. (153-510 m3/hr @ 3¡± Hg max.)
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3¡± (7.6 cm) |
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NLB8466
BiMode¢â and NCG8400A lance |
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Vortex¢â
36-9950-15A |
Ship
Bottom Cleaner, SBC36-8300-15A |
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Accessory |
Max. Pressure |
Max. Flow |
Air Requirement |
Vacuum Requirement
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Vacuum Attachment
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SRT-10 Crawler |
40,000 psi (2,800
bar) |
10 gpm (37.8 lpm) |
70 scfm @ 100 psi
(33 l/s @ 6.9 bar) |
500 cfm @ 24¡± Hg (850
m3/hr @ 24¡± Hg)
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4¡± (10.2 cm) |
SRT-6 VertaJet¢â |
40,000 psi (2,800
bar) |
6 gpm (23 lpm) |
20 scfm @ 90 psi (9.4
l/s @ 6 bar) |
90-300 cfm @ 3¡± Hg
max. (153-510 m3/hr @ 3¡± Hg max.)
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3¡± (7.6 cm) |
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Accessory |
Max. Pressure |
Max. Flow |
Air Requirement |
Vacuum Requirement
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Vacuum Attachment
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36-9900-15A |
40,000 psi (2,800
bar) |
11 gpm (42 lpm) |
50 scfm @ 65 psi (23.6
l/s @ 4.5 bar) |
N/A |
N/A |
Vortex¢â 36-9950-15A
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40,000 psi (2,800
bar) |
11 gpm (42 lpm) |
50 scfm @ 65 psi (23.6
l/s @ 4.5 bar) |
1,500 cfm @ 1¡± Hg
(2,550 m3/hr @ 1¡± Hg) |
4¡± (10.2 cm) |
NCG8400A-2 |
40,000 psi (2,800
bar) |
10 gpm (38 lpm) |
22 scfm @ 90 psi (10.4
l/s @ 6 bar) |
N/A |
N/A |
NLB8466 |
40,000 psi (2,800
bar) |
10 gpm (38 lpm) |
10 scfm @ 90 psi (4.7
l/s @ 6 bar) |
N/A |
N/A |
SBC36-8300-15A |
40,000 psi (2,800
bar) |
6 gpm (23 lpm) |
70 scfm @ 100 psi
(33 l/s @ 6.9 bar) |
1,500 cfm @ 1¡± Hg
(2,550 m3/hr @ 1¡± Hg) |
4¡± (10.2 cm) |
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Model
40250D
40,000 psi (2,800 bar), 10 gpm (37.9 lpm) |
Model
40201D
40,000 psi (2,800 bar), 6 gpm (22.7 lpm) |
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Model
4075D
40,000 psi (2,800 bar), 3 gpm (11.4 lpm) |
Model
4030D
40,000 psi (2,800 bar), 1.5 gpm (5.7 lpm) |
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¤· ÆßÇÁ»ç¾ç: 20153D, 17 GPM,
15,000 PSI
¤· Àû¿ë´ë»ó: µû°³ºñ Á¦°Å, ¼±Ã¼ ³ì Á¦°Å
¤· ÁÖº¯ÀåÄ¡: SPIN NOZZLE SRH 20-77,
NCG20-282 cleaning lance
¤· ȯ°æÀû ¿äÀÎÀ¸·Î sandblasting ´ëü |
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¤· ÆßÇÁ»ç¾ç: 4°³ÀÇ 40201 pump, 6 gpm, 40,000 psi.
¤· Àû¿ë´ë»ó: 1 ¹é¸¸ °¶·±¿ë·®ÀÇ LNGÀúÀåÅÊÅ© ÄÚÆÃÁ¦°Å, ÅÊÅ©Ç¥¸éÀû 85,000
ft2 (7900 m2), 2~3°ã ÆäÀÎÆ® Ä¥,
µÎ²² 10~12mm
¤· ÁÖº¯ÀåÄ¡: NLB SRT-10 Crawler, SPIN JET¢ç nozzles
¤· »ý»ê¼ºÇâ»ó: ½Ã°£´ç 400 ft2 (37 m2) Á¦°Å |
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¤· ÆßÇÁ»ç¾ç: 36200D, 36,000
psi and 6 gpm
¤· Àû¿ë´ë»ó: ÇرºÀüÇÔ ÄÚÆà Á¦°Å
¤· ÁÖº¯ÀåÄ¡: NCG8400A Rotating Jetting Lance,
Bi Mode¢â valve system.
¤· »ý»ê¼ºÇâ»ó: ½Ã°£´ç 90ft2 (8.4 m2), SandblastingÀº
°ø±âÁß ¿À¿°¹°Áú·Î ÀÎÇÑ °Ç°»ó, ȯ°æÀûÀÎ ¿äÀÎÀ¸·Î ÀÎÇØ ±ÝÁöµÇ°í ÀÖ´Â Ãß¼¼ÀÓ |
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