JPWO2019224423A5 - - Google Patents
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- JPWO2019224423A5 JPWO2019224423A5 JP2020564606A JP2020564606A JPWO2019224423A5 JP WO2019224423 A5 JPWO2019224423 A5 JP WO2019224423A5 JP 2020564606 A JP2020564606 A JP 2020564606A JP 2020564606 A JP2020564606 A JP 2020564606A JP WO2019224423 A5 JPWO2019224423 A5 JP WO2019224423A5
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Claims (16)
第１の一次直線部及び第１の一次湾曲部を有する第１の内側伝熱管と、
第１の一次直線部を有する第１の外側伝熱管と、
を含み、
前記第１の外側伝熱管の第１の一次直線部は、前記第１の内側伝熱管の第１の一次直線部の少なくとも一部を半径方向に取り囲み、
前記第１の外側伝熱管の第１の一次直線部は長手方向継ぎ目を含まず、
当該同軸伝熱管は、少なくとも１つのスペーサ要素を含む第１のスペーサアレンジメントであって、該第１のスペーサアレンジメントは、前記第１の外側伝熱管の内面と前記第１の内側伝熱管の外面との間の距離を定義するように構成されている、第１のスペーサアレンジメント、を含み、
前記第１の外側伝熱管は第１の一次湾曲部も有し、
前記第１の外側伝熱管の第１の一次湾曲部は、前記第１の内側伝熱管の第１の一次湾曲部を半径方向に取り囲み、
前記第１の外側伝熱管の第１の一次湾曲部は長手方向継ぎ目を含まず、
前記第１のスペーサアレンジメントは、前記第１の外側伝熱管が延びる方向において前記第１の外側伝熱管の第１の端部と前記第１の外側伝熱管の第２の端部との間に配置され、
当該同軸伝熱管は、前記第１の外側伝熱管の第１の一次湾曲部と前記第１の内側伝熱管の第１の一次湾曲部との間に断熱材を含み、
前記断熱材の熱伝導率は、２０℃の温度で１Ｗ／ｍＫ～１０Ｗ／ｍＫである、同軸伝熱管。 It is a coaxial heat transfer tube,
A first inner heat transfer tube having a first primary straight line portion and a first primary curved portion,
A first outer heat transfer tube having a first linear section,
Including
The first primary straight line portion of the first outer heat transfer tube radially surrounds at least a part of the first primary straight line portion of the first inner heat transfer tube.
The first linear portion of the first outer heat transfer tube does not include a longitudinal seam and does not include a longitudinal seam.
The coaxial heat transfer tube is a first spacer arrangement containing at least one spacer element, wherein the first spacer arrangement includes an inner surface of the first outer heat transfer tube and an outer surface of the first inner heat transfer tube. Includes a first spacer arrangement, which is configured to define the distance between
The first outer heat transfer tube also has a first primary bend.
The first primary curved portion of the first outer heat transfer tube radially surrounds the first primary curved portion of the first inner heat transfer tube.
The first primary bend of the first outer heat transfer tube does not include a longitudinal seam and does not include a longitudinal seam.
The first spacer arrangement is provided between the first end of the first outer heat transfer tube and the second end of the first outer heat transfer tube in the direction in which the first outer heat transfer tube extends. Placed,
The coaxial heat transfer tube includes a heat insulating material between the first primary curved portion of the first outer heat transfer tube and the first primary curved portion of the first inner heat transfer tube.
A coaxial heat transfer tube having a thermal conductivity of 1 W / mK to 10 W / mK at a temperature of 20 ° C. of the heat insulating material.
より好ましくは、
前記第１の外側伝熱管の外面は、前記外側伝熱管の内面上の突起の位置に盲孔を含み、
さらにより好ましくは、
前記第１の外側伝熱管の外面は、前記第１の外側伝熱管の直線部だけに盲孔を含む、請求項１に記載の同軸伝熱管。 At least one of the spacer elements of the first spacer arrangement is formed as a protrusion on the inner surface of the first outer heat transfer tube and / or at least one of the spacer elements of the first spacer arrangement. One is formed as a protrusion on the outer surface of the first inner heat transfer tube.
More preferably
The outer surface of the first outer heat transfer tube comprises a blind hole at the position of a protrusion on the inner surface of the outer heat transfer tube.
Even more preferably
The coaxial heat transfer tube according to claim 1, wherein the outer surface of the first outer heat transfer tube includes a blind hole only in a straight portion of the first outer heat transfer tube.
前記断熱材は、少なくとも１０００℃まで耐熱性を有する、請求項１又は２に記載の同軸伝熱管。 The Young's modulus of the heat insulating material is at least 1 GPa or at least 5 GPa at a temperature of 20 ° C.
The coaxial heat transfer tube according to claim 1 or 2, wherein the heat insulating material has heat resistance up to at least 1000 ° C.
前記第２のスペーサアレンジメントは、前記第１の外側伝熱管が延びる方向において、前記第１の外側伝熱管の第１の端部と前記第１の外側伝熱管の第２の端部との間に配置され、
前記第１のスペーサアレンジメントと前記第２のスペーサアレンジメントとの間の距離は、前記第１の外側伝熱管が延びる方向に沿って測定した場合に１００ｍｍ～２０００ｍｍであり、好ましくは３００ｍｍ～１０００ｍｍであり、
好ましくは、
前記第２のスペーサアレンジメントは、前記同軸伝熱管の湾曲部に設けられていない、請求項２乃至５のいずれか一項に記載の同軸伝熱管。 A second spacer arrangement that includes at least one spacer element, the second spacer arrangement defining the distance between the inner surface of the first outer heat transfer tube and the outer surface of the first inner heat transfer tube. A second spacer arrangement, which is configured to include,
The second spacer arrangement is between the first end of the first outer heat transfer tube and the second end of the first outer heat transfer tube in the direction in which the first outer heat transfer tube extends. Placed in
The distance between the first spacer arrangement and the second spacer arrangement is 100 mm to 2000 mm, preferably 300 mm to 1000 mm when measured along the direction in which the first outer heat transfer tube extends. ,
Preferably,
The coaxial heat transfer tube according to any one of claims 2 to 5, wherein the second spacer arrangement is not provided on the curved portion of the coaxial heat transfer tube.
前記距離は少なくとも０．３ｍｍであり、最大で５ｍｍである、請求項１乃至６のいずれか一項に記載の同軸伝熱管。 A distance is left between the outer surface of the first inner heat transfer tube and the inner surface of the first outer heat transfer tube.
The coaxial heat transfer tube according to any one of claims 1 to 6, wherein the distance is at least 0.3 mm and the maximum is 5 mm.
前記第１の内側伝熱管の第１の一次湾曲部の中心線の曲率半径は１ｍ未満であり、
好ましくは、
前記第１の内側伝熱管の外径に対する前記内側外側伝熱管の第１の一次湾曲部の中心線の曲率半径の比は少なくとも３であり、好ましくは少なくとも３．３である、請求項１乃至７のいずれか一項に記載の同軸伝熱管。 The radius of curvature of the center line of the first linear straight line portion of the first inner heat transfer tube is at least 1 m.
The radius of curvature of the center line of the first primary curved portion of the first inner heat transfer tube is less than 1 m.
Preferably,
The ratio of the radius of curvature of the center line of the first primary curved portion of the inner / outer heat transfer tube to the outer diameter of the first inner heat transfer tube is at least 3, preferably at least 3.3. 7. The coaxial heat transfer tube according to any one of 7.
前記第１の外側伝熱管は、オーステナイト鋼等の鉄鋼を含み、及び／又は
前記第１の内側伝熱管は、オーステナイト鋼又はフェライト鋼等の鉄鋼を含み、
好ましくは、
前記第１の外側伝熱管と前記第１の内側伝熱管とは同じ材料でできている、請求項１乃至８のいずれか一項に記載の同軸伝熱管。 The wall thickness of the first inner heat transfer tube is greater than the wall thickness of the first outer heat transfer tube, and / or the first outer heat transfer tube contains steel such as austenitic steel and / Alternatively, the first inner heat transfer tube contains steel such as austenitic steel or ferritic steel.
Preferably,
The coaxial heat transfer tube according to any one of claims 1 to 8, wherein the first outer heat transfer tube and the first inner heat transfer tube are made of the same material.
請求項１乃至９のいずれか一項に記載の第１の同軸伝熱管と、
前記第１の内側伝熱管に伝熱媒体を供給するように構成された分配ヘッダと、
前記第１の内側伝熱管から伝熱媒体を回収するように構成された回収ヘッダと、
を含み、
当該熱交換器は第２の同軸伝熱管を含み、該第２の同軸伝熱管は、
第２の一次直線部及び第２の一次湾曲部を有する第２の内側伝熱管と、
第１の一次直線部及び第２の一次湾曲部を有する第２の外側伝熱管と、
を有し、
前記第１の内側伝熱管は、前記分配ヘッダから前記回収ヘッダに延び、第１の二次直線部を有し、前記第１の一次湾曲部は該第１の二次直線部を前記第１の一次直線部に接続し、
前記第２の内側伝熱管は、前記分配ヘッダから前記回収ヘッダに延び、第２の二次直線部を有し、前記第２の一次湾曲部は該第２の二次直線部を前記第２の一次直線部に接続し、
前記第１の内側伝熱管及び前記第２の内側伝熱管は、前記第１の一次直線部が前記第２の一次直線部と前記第２の二次直線部との間に配置されように互いに対して配置され、
好ましくは、
前記第１の一次直線部は前記第１の二次直線部と平行に延び、
前記第２の一次直線部は前記第２の二次直線部と平行に延び、
前記第１の一次直線部は前記第２の一次直線部と平行に延びる、熱交換器。 It ’s a heat exchanger,
The first coaxial heat transfer tube according to any one of claims 1 to 9.
A distribution header configured to supply a heat transfer medium to the first inner heat transfer tube,
A recovery header configured to recover the heat transfer medium from the first inner heat transfer tube,
Including
The heat exchanger includes a second coaxial heat transfer tube, and the second coaxial heat transfer tube is
A second inner heat transfer tube having a second primary straight section and a second primary curved section,
A second outer heat transfer tube having a first primary straight line portion and a second primary curved portion,
Have,
The first inner heat transfer tube extends from the distribution header to the recovery header and has a first quadratic straight line portion, and the first primary curved portion has the first quadratic straight line portion as the first. Connect to the primary straight line and
The second inner heat transfer tube extends from the distribution header to the recovery header and has a second quadratic linear portion, and the second primary curved portion has the second quadratic linear portion as the second linear portion. Connect to the primary straight line and
The first inner heat transfer tube and the second inner heat transfer tube are arranged such that the first primary straight line portion is arranged between the second primary straight line portion and the second secondary straight line portion. Placed against
Preferably,
The first primary straight line portion extends in parallel with the first quadratic straight line portion.
The second primary straight line portion extends in parallel with the second secondary straight line portion.
The first primary straight line portion is a heat exchanger extending in parallel with the second primary straight line portion.
前記同軸伝熱管のいずれも他の同軸伝熱管と同軸ではなく、
前記同軸伝熱管の直線部分は平面内に延び、
前記同軸伝熱管の数は１、２、３、４、５又は６であり、好ましくは少なくとも２であり、より好ましくは、少なくとも３、例えば厳密に３である、請求項１０に記載の熱交換器。 A predetermined number of coaxial heat transfer tubes extending from the distribution header to the recovery header and having at least a primary linear portion, a secondary linear portion and a primary curved portion are included.
None of the coaxial heat transfer tubes are coaxial with other coaxial heat transfer tubes.
The straight portion of the coaxial heat transfer tube extends in a plane and extends.
The heat exchange according to claim 10, wherein the number of the coaxial heat transfer tubes is 1, 2, 3, 4, 5 or 6, preferably at least 2, and more preferably at least 3, for example, exactly 3. vessel.
炉と、
前記炉から排出される煙道ガスから熱を回収するように構成された煙道ガス熱交換器と、
当該流動層ボイラを用いられる流動層が形成されるように構成された空間を制限する壁と、
請求項１乃至９のいずれか一項に記載の同軸伝熱管又は請求項１０又は１１に記載の熱交換器と、
を含み、
前記同軸伝熱管又は前記熱交換器の同軸伝熱管の少なくとも一部は前記空間内に配置されている、流動層ボイラ。 It is a fluidized bed boiler,
With a furnace
A flue gas heat exchanger configured to recover heat from the flue gas discharged from the furnace.
A wall that limits the space configured to form a fluidized bed in which the fluidized bed boiler is used, and
The coaxial heat transfer tube according to any one of claims 1 to 9 or the heat exchanger according to claim 10 or 11.
Including
A fluidized bed boiler in which at least a part of the coaxial heat transfer tube or the coaxial heat transfer tube of the heat exchanger is arranged in the space.
煙道ガスから流動媒体を分離するための前記手段から流動媒体を受け取るように構成されたループシールと、
を含み、
前記同軸伝熱管又は前記熱交換器の同軸伝熱管の少なくとも一部は、前記ループシール内に配置されている、請求項１２に記載の流動層ボイラ。 Means for separating the fluid medium from flue gas,
A loop seal configured to receive the flow medium from the means for separating the flow medium from the flue gas,
Including
The fluidized bed boiler according to claim 12, wherein at least a part of the coaxial heat transfer tube or the coaxial heat transfer tube of the heat exchanger is arranged in the loop seal.
内側伝熱管及び外側伝熱管を利用可能に配置するステップと、
前記内側伝熱管が少なくとも前記外側伝熱管を貫通して真っ直ぐな同軸伝熱管が形成されるように、前記内側伝熱管の少なくとも一部を前記外側伝熱管に挿入するステップと、
前記内側伝熱管と前記外側伝熱管との間に断熱材を配置するステップと、
前記断熱材を硬化するステップと、
前記曲げるステップの前に、前記外側伝熱管の内面及び／又は前記内側伝熱管の外面に第１の突起を形成するステップを含み、
前記断熱材を硬化するステップの後に、第１の一次湾曲部を前記同軸伝熱管に形成するために前記真っ直ぐな同軸伝熱管を曲げるステップと、
を含み、
前記硬化するステップの後、前記断熱材の熱伝導率は、２０℃の温度で１Ｗ/ｍＫ～１０Ｗ/ｍＫである、方法。 It is a method of manufacturing a coaxial heat transfer tube, and the method is
Steps to make the inner and outer heat transfer tubes available, and
A step of inserting at least a part of the inner heat transfer tube into the outer heat transfer tube so that the inner heat transfer tube penetrates at least the outer heat transfer tube to form a straight coaxial heat transfer tube.
A step of arranging a heat insulating material between the inner heat transfer tube and the outer heat transfer tube,
The step of curing the heat insulating material and
A step of forming a first protrusion on the inner surface of the outer heat transfer tube and / or the outer surface of the inner heat transfer tube is included prior to the bending step.
After the step of curing the heat insulating material, a step of bending the straight coaxial heat transfer tube in order to form a first primary curved portion in the coaxial heat transfer tube.
Including
The method, wherein after the curing step, the thermal conductivity of the insulation is 1 W / mK to 10 W / mK at a temperature of 20 ° C.
好ましくは、前記方法は、
前記真っ直ぐな同軸伝熱管を曲げるステップの前に、前記外側伝熱管の内面又は内側伝熱管の外面に第２の突起を形成するステップであって、前記第１の突起と該第２の突起との間の距離が１００ｍｍ～２０００ｍｍ、好ましくは３００ｍｍから１０００ｍｍになるように第２の突起が形成される、ステップ、
を含む、請求項１４に記載の方法。 Including the step of forming the first protrusion by punching a blind hole in the outer surface of the outer heat transfer tube.
Preferably, the method is
Prior to the step of bending the straight coaxial heat transfer tube, a step of forming a second protrusion on the inner surface of the outer heat transfer tube or the outer surface of the inner heat transfer tube, wherein the first protrusion and the second protrusion A step, in which a second protrusion is formed such that the distance between them is 100 mm to 2000 mm, preferably 300 mm to 1000 mm.
14. The method of claim 14.
前記硬化するステップの後、
前記断熱材のヤング率は、２０℃の温度で少なくとも１ＧＰａ又は少なくとも５ＧＰａであり、
前記断熱材は、少なくとも１０００℃まで耐熱性を有する、請求項１４又は１５に記載の方法。 Prior to the curing step, the insulation is injected between the inner heat transfer tube and the outer heat transfer tube.
After the curing step
The Young's modulus of the heat insulating material is at least 1 GPa or at least 5 GPa at a temperature of 20 ° C.
The method according to claim 14 or 15, wherein the heat insulating material has heat resistance up to at least 1000 ° C.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20185465A FI130359B (en) | 2018-05-21 | 2018-05-21 | A coaxial heat transfer tube suitable for a fluidized bed boiler and a method for manufacturing same |
| FI20185465 | 2018-05-21 | ||
| PCT/FI2019/050362 WO2019224423A1 (en) | 2018-05-21 | 2019-05-09 | A coaxial heat transfer tube suitable for a fluidized bed boiler and a method for manufacturing same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021524570A JP2021524570A (en) | 2021-09-13 |
| JPWO2019224423A5 true JPWO2019224423A5 (en) | 2022-04-27 |
| JP7368384B2 JP7368384B2 (en) | 2023-10-24 |
Family
ID=66554431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020564606A Active JP7368384B2 (en) | 2018-05-21 | 2019-05-09 | Manufacturing method for coaxial heat exchanger tubes suitable for fluidized bed boilers |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US11859911B2 (en) |
| EP (1) | EP3797245B1 (en) |
| JP (1) | JP7368384B2 (en) |
| CN (2) | CN209909887U (en) |
| DK (1) | DK3797245T3 (en) |
| ES (1) | ES2960568T3 (en) |
| FI (1) | FI130359B (en) |
| PL (1) | PL3797245T3 (en) |
| PT (1) | PT3797245T (en) |
| WO (1) | WO2019224423A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX2023013202A (en) | 2021-05-10 | 2024-01-16 | Yissum Res Dev Co Of Hebrew Univ Jerusalem Ltd | Pharmaceutical compositions for treating neurological conditions. |
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2019
- 2019-05-09 US US17/049,190 patent/US11859911B2/en active Active
- 2019-05-09 ES ES19724545T patent/ES2960568T3/en active Active
- 2019-05-09 CN CN201980033301.5A patent/CN112166286B/en active Active
- 2019-05-09 WO PCT/FI2019/050362 patent/WO2019224423A1/en unknown
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