➨
➨㸴❶ /L%U ᚤ⣽⤖ᬗࢫ࣮ࣛࣜࡢㄪ〇ỈẼ྾≉ᛶ
ᮏ❶࡛ࡣ㸪AHPࡢ྾ᾮࡋ࡚ࡢLiBrᚤ⣽⤖ᬗࢫ࣮ࣛࣜࡢ≉ᛶ᭷ຠᛶࢆホ౯ࡍࡿ㸬ࢫ
࣮ࣛࣜࡢ⤖ᬗࢧࢬࢆணࡵ ᐃࡋ࡚ࢫ࣮ࣛࣜᙧᡂࡢᣲືࢆゎ᫂ࡍࡿ㸬AHPࡢᛶ⬟ᑐࡍࡿ
྾╔࠾ࡼࡧLiBrᚤ⣽⤖ᬗࢫ࣮ࣛࣜࡢຠᯝࢆ㸪㐣ཤࡢࣔࢹ࡛ࣝᚓࡽࢀࡓ⤖ᯝࣛ࣎ࢫࢣ
࣮ࣝᐇ㦂⤖ᯝࡢẚ㍑᳨ウࡼࡾ᳨ドࡍࡿ㸬
␎ᅗࢆ♧ࡍ㸬࢞ࣛࢫ࡛సࡽࢀ࡚࠸ࡿ྾ჾ㸪Ⓨჾ㸪෭༷ჾ࠾ࡼࡧࣜࢨ࣮ࣂࡽᡂࡿ㸬Ⓨ
ჾ྾ჾࡣእᚄ85 mm࡛࠶ࡾ㸪୧᪉ࡢᐜჾࢆ᥋⥆ࡍࡿ࢞ࣛࢫ⟶ࡣ㸪እᚄ25mm㸪ෆᚄ20mm
࡛࠶ࡿ㸬ᐇ㦂ᡭ㡰ࢆ௨ୗ♧ࡍ㸬
1. ⓎჾෆࡢỈࡢ ᗘࡣ㸪෭༷ჾࢆ㏻ࡋ࡚Ỉࢆᚠ⎔ࡉࡏࡿࡇࡼࡾ୍ᐃ⥔ᣢࡍࡿ㸬
࡞࠾ࠊ෭༷ჾෆࡢ෭༷Ỉࡣ㸪ࢳ࣮ࣛࡽ౪⤥ࡍࡿ㸬
2. ࢩࢫࢸ࣒యࡣ㸪Ⓨჾࡢ ᗘ࡛ࡢỈẼࡢ㣬ᅽຊ࡞ࡿࡲ࡛┿✵࣏ࣥࣉࡼࡾ
༑ศ✵Ẽࡢ⬺Ẽࢆ⾜࠺㸬
3. ┿✵࣏ࣥࣉᡭ๓ࡢࣂࣝࣈࢆ㛢ࡌ㸪ᅽຊࡀ⥔ᣢ࡛ࡁ࡚࠸ࡿࢆ☜ㄆࡍࡿ㸬 4. LiBrࢫ࣮ࣛࣜࢆணࡵࣜࢨ࣮ࣂෆ㈓ⶶࡋ㸪ࣂࣝࣈࢆ㛤࠸࡚྾ჾ⛣ࡍ㸬
5. ྾ჾⓎჾࡢ ᗘࡢ ᐃࡣ㸪ࢫ࣮ࣛࣜࢆࣜࢨ࣮ࣂࡽ྾ჾὀࡂጞࡵࡼࡾ㛤 ጞࡍࡿ㸬
6. ࢫ࣮ࣛࣜࡣ㸪ᐇ㦂୰ࡢ྾ᾮࡢ ᗘ⃰ᗘࡢࣉࣟࣇࣝࢆྍ⬟࡞㝈ࡾᆒ୍ࡍࡿ
ࡓࡵ㸪☢Ẽࢫࢱ࣮࣮ࣛࢆ⏝࠸࡚ᨩᢾࡍࡿ㸬
7. ⨨ෆࡢᅽຊࡣࣆࣛࢽ┿✵ィ(AS ONE, PG-D5A)ࡼࡾィ ࡍࡿ㸬
8. ẚ㍑ࡢࡓࡵ㸪ྠヨ㦂ࢆᚤ⢏Ꮚࡢᠱ⃮ࡀ࡞࠸␗࡞ࡿ⃰ᗘ࡛ㄪ〇ࡋࡓᆒ୍⁐ᾮࡢヨᩱ
ࡘ࠸࡚ᐇࡍࡿ㸬
Ⓨჾࡽ྾ჾ୰ࡢࢫ࣮ࣛࣜࡲࡓࡣ⁐ᾮࡢỈẼ྾㏿ᗘࡣ㸪྾ჾ࡛ ᐃࡉࢀࡓ ᗘࡢ㐣Ώⓗᣲືࡽ࢚ࢿࣝࢠ࣮ࣂࣛࣥࢫࡼࡗ࡚Ỵᐃࡍࡿࡇࡀ࡛ࡁࡿ㸬
⤖ᯝ⪃ᐹ
⢏ᗘศᕸ
LiBr ࢮ࢜ࣛࢺࡢ࠸ࡃࡘࡢ㔞࡛ㄪᩚࡋࡓࢫ࣮ࣛࣜ୰ࡢ LiBr ⤖ᬗ⢏Ꮚࡢ⢏ᚄศᕸࢆ㸪 ᅗ㸰♧ࡍ㸬ࢫ࣮ࣛࣜ୰ᠱ⃮ࡋࡓ⮯ࣜࢳ࣒࢘⤖ᬗࢮ࢜ࣛࢺࡢ㉁㔞ศ⋡ࢆ⾲⾲6-1♧
ࡍ㸬ᅗ6-3㸦a㸧ࡣ㸪ࢮ࢜ࣛࢺࡢ㉁㔞ศ⋡ࢆ୍ᐃࡋ࡚LiBr⤖ᬗࡢ㉁㔞ศ⋡ࡢᙳ㡪ࢆ♧ࡍ㸬
ᅗ 6-3㸦b㸧ࡢࢫ࣮ࣛࣜᠱ⃮ࡋࡓ⮯ࣜࢳ࣒࢘ࡢ⤖ᬗ⢏Ꮚࡢ㉁㔞ศ⋡ࢆࡰ୍ᐃࡋ࡚␗
࡞ࡿࢮ࢜ࣛࢺࡢ㉁㔞ศ⋡ࡢᙳ㡪ࢆ♧ࡍ㸬ࡍ࡞ࢃࡕ㸪No.2 No.4 ࡛ࡣ⣙ 2.3x10-2 kg-crystal/kg-solutionࡢሙྜ㸪No.3No.6࡛ࡣ3.0x10-2 kg-crystal/kg-solutionࡢሙྜࡢࢮ࢜ࣛ
ࢺࡢ㉁㔞ศ⋡ࡢᙳ㡪ࢆẚ㍑ࡍࡿ㸬⤖ᬗ⢏Ꮚࡢࢧࢬࡣ㸪2-200 m ࡢ⠊ᅖศᕸࡋ࡚࠾ࡾ㸪
⤖ᬗศ⋡࠶ࡿ࠸ࡣࢮ࢜ࣛࢺศ⋡ࡢ୍᪉ࢆᅛᐃࡋࡓሙྜࡣ㸪⤖ᬗศ⋡ࡢቑຍ࠶ࡿ࠸ࡣࢮ
࢜ࣛࢺ㉁㔞ศ⋡ࡢῶᑡక࠸ࡁ࡞⢏Ꮚศᕸ⛣⾜ࡍࡿ㸬ࡑࡢ⤖ᯝࡋ࡚㸪⁐ᾮࡢ㐣㣬
≧ែࡢୗ࡛᰾ࡢࢩ࣮ࢻࡋ࡚స⏝ࡍࡿࡇࡼࡾ㸪⤖ᬗࡀࢮ࢜ࣛࢺ⢏Ꮚ㸦」ᩘྍ㸧ࡢ࿘ࡾ
ᡂ㛗ࡍࡿ⪃࠼ࡽࢀࡿࠋࡇࢀࡣ㸪⢏Ꮚᚄࡣ㸪⁐ᾮ୰ࡢ⤖ᬗࢮ࢜ࣛࢺࡢ┦ᑐⓗ࡞㔞ࡼ
ࡗ࡚Ỵᐃࡍࡿࡇࡀ࡛ࡁࡿࡇࢆពࡍࡿ㸬ᅗᅗ6-4㸪ࡰ୍ᐃࡢࢮ࢜ࣛࢺᑐࡍࡿLiBr ࡢ⤖ᬗ⢏Ꮚࡢ㉁㔞ẚ (1 kg-LiBr/kg-zeolite) ㄪ〇ࡋࡓࢫ࣮ࣛࣜࡢ⢏Ꮚࢧࢬศᕸࢆ♧ࡍ㸬
⤖ᬗࢮ࢜ࣛࢺࡢศ⋡ࡼࡽࡎ㸪ࡰྠᵝࡢศᕸࢆ♧ࡍ㸬
ᅗ6-5㸪⤖ᬗ⢏Ꮚࢮ࢜ࣛࢺࡢ␗࡞ࡿ㉁㔞ẚ㸦⤖ᬗẚ = fLiBr/fzeolite㸧ᑐࡍࡿ⤖ᬗ
⢏Ꮚࡢ࣓ࢪࣥᚄࢆ♧ࡍ㸬࣓ࢪࣥᚄࡣ㸪⤖ᬗẚ 1.12ࡲ࡛ࡰ⥺ᙧ࡞㛵ಀࢆ♧ࡍ㸬ࡇࡢࡇ
ࡣ㸪LiBr⤖ᬗࡢᡂ㛗ࡀจ㞟ࡍࡿࡇ࡞ࡃ㸪ࡑࢀࡒࢀࡢ⢏Ꮚ࿘ࡾ㉳ࡇࡿࡋ࡚㸪⤖ᬗࢮ
࢜ࣛࢺࡢྛศ⋡࡛ࡣ࡞ࡃ㸪ẚ⋡ࡼࡗ࡚┦㛵࡛ࡁࡿࡇࢆពࡍࡿ㸬ࡑࡢ┦㛵ᘧࢆᘧ(5-1)
♧ࡍ㸬
0 24 3
44 LiBr zeolite
p . f f .
d [ m] 㸦6-1㸧
ࡇࡇ࡛㸪fLiBr fzeolite ࡣࢫ࣮ࣛࣜࡢ༢㉁㔞࠶ࡓࡾࡢLiBr⢏Ꮚࢮ࢜ࣛࢺࡢ㉁㔞ẚࢆ
⾲ࡍ㸬
ࡋࡋ㸪ẚ⋡ࡀࡼࡾࡁ࠸1.48 kg-LiBr/kg-zeolite࡛࠶ࡿNo.6࡛ࡣ㸪┦㛵ᘧࡽࡎࢀࡀ㢧 ⴭ࡞ࡿ㸬ࡉࡽ㸪N0.5ࡢࡼ࠺ẚ⋡ࡀ2.2 kg-LiBr/kg-zeoliteࢆ㉸࠼࡚ୖ᪼ࡍࡿሙྜࡣ㸪
ࡁ࡞⢏Ꮚࡢᙧᡂࡼࡗ࡚⢏ᗘศᕸࡢ ᐃࡀ࡛ࡁ࡞ࡗࡓ㸬ࡑࡢ⌮⏤ࡣ㸪ከࡃࡢ⢏Ꮚࡢจ㞟 ࡣ㸪⤖ᬗᡂ㛗ࡢ㐍⾜୰Ⓨ⏕ጞࡲࡿ⪃࠼ࡽࢀࡿ㸬ࡇࡢ⌧㇟ࡣ㸪ࢫ࣮ࣛࣜࡢὶືᛶࡀኻࢃࢀ㸪
ࡁ࡞⤖ᬗሢࡀAHPࡢືస୰⁐ᾮࡢὶࢀࢆ㐽᩿ࡋ㸪ᮃࡲࡋࡃ࡞࠸ࢺࣛࣈࣝࢆᘬࡁ㉳ࡇࡍ
ྍ⬟ᛶࡀ࠶ࡿ㸬ࡼࡗ࡚㸪ᑡ࡞ࡃࡶ1.1 kg-LiBr/kg-zeoliteࡼࡾࡶᑡ࡞࠸⤖ᬗẚ࡛ࡢ᧯సࡀጇ ᙜ⪃࠼ࡽࢀࡿ㸬
࡞࠾㸪ᮏࢫ࣮ࣛࣜࡣ㸪Ẽ୰ࡢ⮬↛෭༷᮲௳ୗ࡛ࢮ࢜ࣛࢺࡢ୍✀㢮ࡢࡳࢆ⏝ࡋ࡚ㄪ〇 ࡉࢀࡓࡇ␃ពࡍࡁ࡛࠶ࡿ㸬⤖ᬗࢧࢬศᕸࡣ㸪ࡇࡇᣦᐃࡉࢀࡿࡼ࠺ࢫ࣮ࣛࣜࡀస
ࡽࢀࡓሙྜ㝈ࡾ⌧ࡍࡿࡇࡀ࡛ࡁࡿࡀ㸪⁐ᾮࡀAHPࢩࢫࢸ࣒࡛ᛴ㏿෭༷ࡉࢀࡓሙྜ
ࡸ㸪㐣㣬≧ែ࡛࡞ࡗࡓሙྜࡣ㸪⢏ᗘศᕸࢆࡼࡾヲ⣽ホ౯ࡍࡿᚲせࡀ࠶ࡿ㸬ࡉࡽ㸪ᮏ
◊✲࡛ࡣ㸪ᯈ㇂ࡽ㸦2010ᖺ㸧ࡼࡗ࡚ヨ㦂ࡉࢀࡓᩘ✀㢮ࡢ྾╔ࡢ୰࡛㸪⁐ᾮ୰ࡢLiBrࡢ
᭱㐺࡞྾╔㔞ࢆ♧ࡋࡓࢮ࢜ࣛࢺ⢊ᮎࢆ⏝ࡋࡓ(16)㸬ࡑࡋ࡚㸪ࢮ࢜ࣛࢺ྾╔ࡋࡓ LiBr ࡣ㸪ỈẼ྾ࡼࡿ⁐ᾮ୰ࡢ LiBr ⃰ᗘࡢᕼ㔘ࢆ⦆ࡍࡿࡓࡵຠᯝⓗ࡛࠶ࡿᯈ㇂ࡽ
㸦2010 ᖺ㸧ࡼࡗ࡚ሗ࿌ࡉࢀ࡚࠸ࡿ(16)㸬ࡋࡋ㸪⢏ᗘศᕸ࠾ࡅࡿࢮ࢜ࣛࢺࡢ✀㢮ࡢᙳ 㡪ࢆ᫂ࡽࡍࡿᚲせࡀ࠶ࡿࡀ㸪ࡇࢀࡽࡢၥ㢟ࡣᮏ┠ⓗࢆ㉸࠼࡚࠸ࡿࡋ࡚㸪ࡇࢀࡽࡢほⅬ
ࡽࡢ㆟ㄽࡣᚋࡢㄢ㢟ࡍࡿ㸬
Ẽ྾ᛶ⬟
྾ჾࡢ㐣Ώⓗ࡞ ᗘ
⁐ᾮࢫ࣮ࣛࣜࡢヨᩱ࠾ࡅࡿỈẼ྾ᛶ⬟ࡣ㸪ᅗ6-1♧ࡉࢀࡿࡼ࠺㸪྾ჾ࠾
ࡅࡿࣂࢵࢳᘧࡢࣛ࣎ヨ㦂࡛ホ౯ࡋࡓ㸬྾㏿ᗘࡣ㸪ࣂࢵࢳヨ㦂࡛⾜ࢃࢀࡓ྾ჾ࠾ࡅࡿヨ
ᩱࡢ㐣Ώⓗ࡞ ᗘᣲືᙳ㡪ࡍࡿ㸬ỈẼࢆ྾ࡍࡿࡢẼࡢจ⦰࠾ࡼࡧᕼ㔘⇕ࡢ₯⇕
ᨺฟࡼࡾ㸪⮯ࣜࢳ࣒࢘⁐ᾮࡢ ᗘࡣୖ᪼ࡍࡿ㸬ࡼࡾ㏿࠸྾㏿ᗘࡀᛴ㏿࡞ ᗘୖ᪼ࢆࡶ
ࡓࡽࡍ㸬ヨ㦂㛤ጞࡽ྾ჾෆࡢ⁐ᾮࡲࡓࡣࢫ࣮ࣛࣜࡢ㐣Ώⓗ࡞ ᗘࡢ⤒㐣ኚࢆᅗᅗ6-6
♧ࡍ㸬⁐ᾮࡣ㸪LiBrᚤ⢏Ꮚࢆྵࡲ࡞࠸ࢫ࣮ࣛࣜẚ㍑ࡍࡿࡓࡵLiBr⤖ᬗ⢏Ꮚࡀ࡞ࡃ㸪ึ
ᮇ ᗘ࡛㣬≧ែᮍ‶ࡢ␗࡞ࡿ⃰ᗘ࡛ㄪ〇ࡋࡓ㸬Ⓨჾෆࡢ ᗘࡣ㸪࡚᧯స࠾࠸࡚ 15
|Cᅛᐃࡋࡓ㸬⾲⾲6-2ᐇ㦂᮲௳ࢆ♧ࡍ㸬ྛヨᩱࡢึᮇ⃰ᗘᑐࡍࡿ㣬 ᗘࡣ㸪ᅗ6-6ࡢ Ỉᖹ⥺ࡼࡗ࡚♧ࡍ㸬ࡍ࡚ࡢ᧯స࠾࠸࡚ ᗘࡣ㸪ヨᩱࢆࣜࢨ࣮ࣂࡽ྾ჾὀࡂࡍ ࡄୖ᪼ࡋ㸪㣬 ᗘࡼࡾࡶప࠸ࣆ࣮ࢡ㐩ࡍࡿ㸬ୖ᪼㏿ᗘࣆ࣮ࢡ ᗘࡣ㸪⁐ᾮ୰ࡢ㧗⃰
ᗘࡢࡓࡵࡁࡃ࡞ࡾ㸪ㄪࡓヨᩱ㛫ࡢࢫ࣮ࣛࣜࡢ୰࡛᭱࡞ࡿ㸬⁐ᾮࡢ᭱㧗 ᗘࡣ㸪⇕ ᦆኻࡋ࡞࠸㝈ࡾ㸪ྛヨᩱࡢ㣬 ᗘ⌮ㄽⓗྠࡌ࡛࠶ࡿࡣࡎࡀ㸪ࣆ࣮ࢡ ᗘࡣỈẼ྾
ࡼࡿ⇕Ⓨ⏕㏿ᗘ࿘ᅖࡢ⇕ᦆኻࡢࣂࣛࣥࢫࡽỴᐃࡉࢀࡿ⇕ᖹ⾮≧ែ㉳ᅉࡍࡿ㸬⇕
ᦆኻࡣ㸪 ᗘୖ᪼ࡼࡿ⁐ᾮࡢ㣬Ẽᅽࡢ⁐ᾮ⃰ᗘࡢᕼ㔘ࡼࡾ྾ࡀపୗࡍࡿࡓࡵ㸪
⇕Ⓨ⏕㏿ᗘࢆ㉸࠼ࡿ㡰ḟ ᗘࡀᚎࠎపୗࡍࡿ㸬
྾㏿ᗘࡢỴᐃ᪉ἲ
ࢫ࣮ࣛࣜࡲࡓࡣᆒ㉁⁐ᾮ୰ࡢỈẼࡢ྾㏿ᗘࡣ㸪๓㏙ࡢᐇ㦂࡛ᚓࡽࢀࡓ㐣Ώⓗ࡞
ᗘㄪᩚࡍࡿࡓࡵ࢚ࣥࢱࣝࣆ࣮ࣂࣛࣥࢫࢆᩘ್ⓗゎࡃࡇࡼࡗ࡚Ỵᐃࡍࡿ㸬྾㏿
ᗘࡢỴᐃ᪉ἲࢆ௨ୗ♧ࡍ㸬
⁐ᾮ࠶ࡿ࠸ࡣࢫ࣮ࣛࣜࡢ࢚ࢿࣝࢠ࣮ᨭ
loss e zeolite zeolite LiBr
LiBr zeolite
LiBr
s 1 ) ( )
q dt q
f c f c wT f
f w(
h
d 㸦6-2㸧
ࡇࡇ࡛㸪hsࡣ⁐ᾮࡢ࢚ࣥࢱࣝࣆ࣮㸪cLiBrczeoliteࡣࡑࢀࡒࢀLiBr⤖ᬗࢮ࢜ࣛࢺ ࡢẚ⇕wࡣࢫ࣮ࣛࣜࡢ㔞tࡣ㛫qeࡣỈẼจ⦰⇕qlossࡣẼࡢ⇕ᦆኻࢆ⾲
ࡍ㸬
⁐ᾮ୰ࡢࢫ࣮ࣛࣜLiBr ࡢ≀㉁ᨭ
Solution: m dt
dw
㸦6-3㸧
LiBr: Csw(1 fLiBr fzeolite) wfLiBr wLiBr 㸦6-4㸧
m
ࡣ⁐ᾮ୰ࡢẼ྾㏿ᗘ㸪wLiBrࡣࢫ࣮ࣛࣜྵ᭷ࡍࡿLiBrࡢ⥲㔞࡛࠶ࡿ㸬 LiBr⤖ᬗ⢏ᏊࡀᏑᅾࡋ㸪fLiBrࡀࢮࣟࡼࡾࡁ࠸ሙྜ㸪⁐ᾮ⃰ᗘCs ࡣࡑࡢ ᗘ࠾ࡅࡿ㣬⃰ᗘCsat➼ࡋ࠸㸬
sat
s C
C for fLiBr 0 㸦6-5㸧
ࢫ࣮ࣛࣜࡢ⤖ᬗ㔞wLiBrࢮ࢜ࣛࢺࡢ㔞wzeoliteࢆ⏝࠸࡚ẚ⋡fLiBrfzeoliteࢆEqs.
㸦6-6㸧,(6-7)♧ࡍ㸬
w w
fLiBr LiBr 㸦6-6㸧
w w
fzeolite zeolite 㸦6-7㸧
Eqs. (6-2)6-4)Eqs.(6-6)(6-7)ࢆ௦ධࡋ㸪ḟᘧࢆᚓࡿ㸬
loss e zeolite
zeolite LiBr LiBr zeolite
LiBr
s( ) ( )
q dt q
T w c w c w
w w h
d 㸦6-8㸧
LiBr LiBr zeolite
LiBr
s(w w w ) w w
C 㸦6-9㸧
wzeoliteࡀ୍ᐃ࡛࠶ࡾ㸪hsࡣ ᗘ⃰ᗘࡢ୧᪉ࡢ㛵ᩘ࡛࠶ࡿࡇ╔┠ࡋ࡚㸪௨ୗࡢࡼ࠺
࠼ࡽࢀࡿ㸬
s s s
s s dC
C dT h T
dh h 㸦6-10㸧
Eq. (6-8) ࢆ௨ୗࡢࡼ࠺᭩ࡁ࠼ࡿ㸬
loss LiBr e
s LiBr
s zeolite
zeolite LiBr LiBr
s s s zeolite s
LiBr
) (
) (
) (
q dt q
h dw T c
m dt h w dT c w c
dt dC C
h dt dT T w h
w w
㸦6-11㸧
⁐ᾮࡢ࢚ࣥࢱࣝࣆ࣮ࡣ ᗘ࠾ࡼࡧ⃰ᗘࡢ㛵ᩘࡼࡗ࡚Ỵᐃࡋࡓ(23)㸬⇕ᦆኻࡢࡓࡵࡢᑐὶ
⇕ఏ㐩ࢆ௬ᐃࡍࡿ㸪จ⦰⇕⇕ᦆኻࡣḟᘧࡼࡗ࡚࠼ࡽࢀࡿ㸬
m L
qe e 㸦6-12㸧
) )(
( a
loss UA T T
q 㸦6-13㸧
ࡇࡇ࡛㸪LeࡣỈẼࡢ₯⇕㸪Uࡣ⥲ᣓఏ⇕ಀᩘ㸪Aࡣ᭷ຠ࡞ఏ⇕㠃✚㸪Tࡣࢫ࣮ࣛࣜ
ᗘTaࡣᐊ ࢆ⾲ࡍ㸬(UA)ࡣ྾ჾෆࡢ Ỉࡢ ᗘ㝆ୗ㏿ᗘࡽணࡵ᥎ᐃࡍࡿࡇࡀ
࡛ࡁࡿ㸬
ࢫ࣮ࣛࣜࡢỈẼ྾㏿ᗘ
m
㸪LiBr⤖ᬗ㔞wLiBr㸪ࢫ࣮ࣛࣜ㔞w࠾ࡼࡧ࠶ࡿ࠸ࡣ⁐ᾮ⃰ᗘCLiBrࡢ㐣Ώⓗᣲືࡣ㸪Eqs. (6-3)- (6-5)ᐇ㦂࡛ ᐃࡉࢀࡓࢫ࣮ࣛࣜ ᗘࡢ⤒
ኚࢆ௦ධࡋࡓEqs. (6-11)ࢆᩘ್ⓗゎࡃࡇࡼࡾồࡵࡿ㸬
ࢫ࣮ࣛࣜࡢ྾ᛶ⬟
ᅗᐇ㦂࡛ ᐃࡉࢀࡓ ᗘࡽᩘ್ⓗ᥎⟬ࡋࡓ⁐ᾮ⃰ᗘ࠾ࡼࡧẼ྾㔞ࡢ⤒
ኚࢆ♧ࡍ㸬⃰ᗘኚỈẼ྾ࡣ㸪ᐇ㦂ࡢ㛤ጞࡽᩘศ㛫ࡁࡃ㉳ࡇࡿ㸬ᆒ୍࡞⁐
ᾮ࠾ࡅࡿ⃰ᗘࡣ㸪Ẽ྾ࡼࡗ࡚ᕼ㔘ࡉࢀࡿࡀ㸪ࡑࡢ୍᪉㸪ࢫ࣮࡛ࣛࣜࡣ୍␒㏿࠸྾
࡛࠶ࡿࡶࢃࡽࡎ㸪⃰ᗘࡀ୍᪦ୖ᪼ࡍࡿࡇࢆ♧ࡍ㸬Ẽ྾ࡼࡾ ᗘୖ᪼ࡋ㸪 ࢫ࣮ࣛࣜ୰㣬ࡋࡓLiBr ⤖ᬗᚤ⣽⢏Ꮚࡢ⁐ゎࡼࡗ࡚㸪㣬⁐ゎᗘࡼࡾ㧗࠸⃰ᗘ࡞ࡿ
⪃࠼ࡽࢀࡿ㸬ᆒ㉁⁐ᾮ࡛ࡣ㧗࠸⃰ᗘࡢ࠺ࡀ㏿࠸Ẽ྾࡛࠶ࡿࡀ㸪ࡑࢀࡼࡾࡶࢫࣛࣜ
࣮ࡢ࠺ࡀ㏿࠸㏿ᗘ࡛྾ࡍࡿ㸬᭱ึࡢศ㛫ࢆᖹᆒࡋࡓ⁐ᾮ࠶ࡿ࠸ࡣࢫ࣮ࣛࣜࡢẼ྾
㏿ᗘࢆ㸪⾲⾲♧ࡍ㸬ᆒ㉁⁐ᾮࡢ⃰ᗘࢆ0.508 LiBr/solution(Run D)ࡽ0.606 kg-LiBr/kg-solution (Run B)ࡲ࡛⃰⦰ࡋࡓࡁ㸪྾㏿ᗘࡀಸྥୖࡍࡿ㸬⃰ᗘࡣ㸪Run B
࠾ࡅࡿᆒ㉁⁐ᾮࡼࡾ0.007 kg-LiBr/kg-solutionࡔࡅ㧗࠸ࡶࢃࡽࡎ㸪ࢫ࣮ࣛࣜࡢ྾
ᛶ⬟ࡢྥୖࡢຠᯝࡣࡰಸ࡛࠶ࡿ㸬
ⓎჾෆࡢỈ྾ჾࡢྛヨᩱࡢ㣬ỈẼᅽࡢᕪP0-Psatᑐࡍࡿ᭱ึࡢศ㛫ࢃ
ࡓࡗࡓᖹᆒ྾㏿ᗘࢆᅗ♧ࡍ㸬ᐇ㝿P0 ࡣ15 °C ࡢ⣧Ỉࡢ㣬Ẽᅽ࡛࠶ࡿࡀ㸪 Psatࡣึᮇ≧ែࡽศ㛫ࢃࡓࡗ࡚ᖹᆒࡉࢀࡓ ᗘ⃰ᗘࡢ㣬Ẽᅽ࡛࠶ࡿ㸬ᚤ⣽⤖ᬗ ࡢᠱ⃮ࡀ࡞࠸ᆒ㉁⁐ᾮᑐࡋ࡚ࡣ㸪྾㏿ᗘࡀᅽຊᕪẚࡍࡿ㸬ࡇࡢ┦㛵ࡼࡾ㸪Ẽ ࡢ⥲≀㉁⛣ືᢠࡣ㸪Ⓨჾ࡛ࡢⓎ㸪྾ჾࡢ⛣ື㸪⁐ᾮࡢ྾ࢆ㏻ࡋ࡚ࡰ୍ᐃ
࡛࠶ࡿࡇࢆពࡍࡿ㸬ࡋࡋ㸪ࢫ࣮࡛ࣛࣜࡣ┦㛵ࡽᖜⴭࡋࡃ྾㏿ᗘࢆྥୖࡉࡏ
ࡿ㸬ᚑࡗ࡚㸪≀㉁⛣ືࡢྥୖᐤࡍࡿ࠸ࡎࢀࡢ┦స⏝ࡣ㸪྾ჾࡢẼ┦ࢫ࣮ࣛࣜ
┦ࡢ⏺㠃࡛㉳ࡇࡗ࡚࠸ࡿࡣࡎ࡛࠶ࡿ㸬⮯ࣜࢳ࣒࢘⤖ᬗࡢ⁐ゎࡣ㸪ࢫ࣮ࣛࣜࡢ⏺㠃࡛ࡢᕼ 㔘ࢆᢚไࡍࡿࡇࡀࡑࡢ⌮⏤ࡢ୍ࡘࡢೃ⿵ࡶࡋࢀ࡞࠸ࡀ㸪ᶵᵓࡘ࠸࡚ࡣᮏ◊✲࡛ࡣゎ
᫂ࡉࢀ࡚࠸࡞࠸㸬ࡇࡢ⌧㇟ࡢゎ᫂ࡘ࠸࡚ࡣ㸪ᚋࡢ◊✲᳨࡛ウࡍࡿ㸬ࡇࢀࡽࡢ⤖ᯝࡣ㸪 ࢫ࣮ࣛࣜࡀ㛫㐪࠸࡞ࡃ$+3ࡢᛶ⬟ᙳ㡪ࢆ࠼ࡿࡇࢆ♧၀ࡋ࡚࠸ࡿ㸬ୖグࡋࡓᅽຊࡣ㸪
᧯స୰㸪Ⓨჾࡢ㣬ᅽຊ୍࡛ᐃ࡛࠶ࡗࡓࡇ␃ពࡍࡁ࡛࠶ࡿ㸬
ᮏ❶ࡢࡲࡵ
ࢮ࢜ࣛࢺࡢᚤ⢊ᮎࢆ⁐ᾮ୰ᠱ⃮ࡉࡏࡓሙྜ㸪LiBr⤖ᬗᚤ⢏Ꮚࢫ࣮ࣛࣜࡣ⁐ᾮ୰
㐣㣬≧ែ࡛ᙧᡂࡋࡓ㸬⮯ࣜࢳ࣒࢘Ỉ⣔$+3ࡢࢫ࣮ࣛࣜࡢ㐺⏝ࡣ㸪ᛶ⬟ࢆྥୖࡉࡏࡿ
ᡭẁࡋ࡚ᥦࡋ㸪ࢫ࣮ࣛࣜ⢏ᗘศᕸẼ྾ᛶ⬟ࢆ᫂ࡽࡋࡓ㸬
⢏ᗘศᕸࡣ㸪/L%U⤖ᬗࡢ㉁㔞ศ⋡ࡢቑຍࡲࡓࡣࢮ࢜ࣛࢺࡢ㉁㔞ศ⋡ࡢῶᑡࡼࡾࡁ
࡞┤ᚄ⛣⾜ࡍࡿഴྥࡀ࠶ࡿ㸬࣓ࢪࣥᚄࡣ㸪ࢫ࣮ࣛࣜ୰ᠱ⃮ࡍࡿࢮ࢜ࣛࢺᑐࡍࡿ
⤖ᬗࡢ㉁㔞ẚ┤⥺ⓗ┦㛵ࡋࡓ㸬࣓ࢪࣥᚄࡣ㸪ࢫ࣮ࣛࣜ୰ᠱ⃮ࡉࡏࡓࢮ࢜ࣛࢺ
⤖ᬗࡢ㉁㔞ࡢẚ┤⥺ⓗ࡞┦㛵ࢆ♧ࡋࡓ㸬┦㛵㛵ಀࡽࡢࡎࢀࡣ㸪1.4 kg-crystal/kg-zeolite
ࡼࡾࡶࡁ࡞ẚ⋡࡛⏕ࡌ㸪ࢧࢬ ᐃࡣⴭࡋ࠸⤖ᬗᡂ㛗ࡀⓎ⏕ࡍࡿ2 kg-crystal/kg-zeoliteࢆ
㉺࠼ࡿẚ⋡࡛ྍ⬟࡛࠶ࡗࡓ㸬ࢫ࣮ࣛࣜࡣ㸪Ẽ྾ࡢࣛ࣎ヨ㦂࡛ᆒ୍࡞⁐ᾮẚ㍑ࡋ
࡚㸪᭱ࣆ࣮ࢡ ᗘࢆ♧ࡋࡓ㸬ࢫ࣮ࣛࣜࡢ྾㏿ᗘࡣ㸪Ẽࡢ྾ࡢ⤖ᬗࡢ⁐ゎࡼࡿ
/L%Uࡢᕼ㔘ࡢᢚไຠᯝࡼࡾ0.6 kg-LiBr/kg-solutionࡢ⃰ᗘࡢᆒ㉁⁐ᾮẚ㍑ࡋ࡚ࡰಸ
ಁ㐍ࡋࡓ㸬
Fig.6-1 Düehring plot for cycle solution in the slurry on heating mode in AHP
Fig. 6-2 Experimental setup for absorption performance test of slurry
Pump
Pressure gauge
Vacuum pump
䠖water 䠖solution I85
Cooler
Refrigerant Magnetic
stirrer I85
Evaporator Absorber
Reservoir
Thermocouple Thermocouple
(a) Effect of mass fraction of LiBr crystal.
(b) Effect of mass fraction of zeolite.
Fig. 6-3 Particle size distribution of LiBr crystal in the slurry and zeolite
Table 6-1 Slurry samples prepared.
No. Mass fraction of LiBr crystal [kg-crystal/ kg-solution]
Mass fraction of zeolite [kg-zeolite/kg-solution]
Ratio of crystal to zeolite [kg-crystal/ kg-zeolite]
1 1.32x10-2 3.00x10-2 0.440
2 2.33x10-2 3.00x10-2 0.775
3 3.02x10-2 3.00x10-2 1.01
4 2.29x10-2 2.04x10-2 1.12
5 2.24x10-2 1.01x10-2 2.22
6 3.02x10-2 2.04x10-2 1.48
7 4.83x10-2 5.04x10-2 0.958
8 1.09x10-2 1.01x10-2 1.07
Fig. 6-4 Particle size distributions for a constant ratio of LiBr crystal to zeolite
Fig. 6-5 Correlation of median size against the ratio of the crystal and zeolite
Fig. 6-6 Transient temperature behavior of solution or slurry in absorber
Table 6-2 Experimental conditions for absorption performance examination of the samples
Run A B C D
LiBr conc. [kg-LiBr/kg-solution] 0.613 0.606 0.547 0.508 Initial solution [g-solution] 418.0 405.1 401.7 402.0
LiBr crystal [g-LiBr] 9.09 0 0 0
Ratio of LiBr to zeolite [kg-LiBr/kg-zeolite] 0.757 0 0 0 Evaporator temp. [°C] 15.0 15.0 15.0 15.0
(a) LiBr concentration of the solutions.
(b) Absorbed water amount.
Fig. 6-7 Vapor absorption performance into the slurry or solutions
Table 6-3 Average absorption rate of vapor for the first 3 minutes
Run A B C D
LiBr conc. [kg-LiBr/kg-sol] 0.613 0.606 0.547 0.508 LiBr crystal [g-LiBr] 9.09 0 0 0 Absorption rate [g-water/s] 0.0620 0.0316 0.0229 0.0116
Fig. 6-8 Effect of the slurry and the solutions on average vapor absorption rate
during the first 3 minutes