TWI391617B - Falling-liquid film type absorber - Google Patents
Falling-liquid film type absorber Download PDFInfo
- Publication number
- TWI391617B TWI391617B TW099133215A TW99133215A TWI391617B TW I391617 B TWI391617 B TW I391617B TW 099133215 A TW099133215 A TW 099133215A TW 99133215 A TW99133215 A TW 99133215A TW I391617 B TWI391617 B TW I391617B
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- Prior art keywords
- outer tube
- tube module
- film
- type absorber
- polygonal
- Prior art date
Links
- 239000006096 absorbing agent Substances 0.000 title claims description 32
- 239000007788 liquid Substances 0.000 title claims description 23
- 239000010408 film Substances 0.000 claims description 29
- 238000010521 absorption reaction Methods 0.000 claims description 19
- 239000000498 cooling water Substances 0.000 claims description 10
- 239000010409 thin film Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 230000002745 absorbent Effects 0.000 description 10
- 239000002250 absorbent Substances 0.000 description 10
- 239000005457 ice water Substances 0.000 description 4
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Description
本發明係有關於一種吸收器，尤指一種薄膜滑落式吸收器。The present invention relates to an absorber, and more particularly to a film slide-off absorber.
傳統壓縮式主機正面臨CFC冷媒破壞臭氧層、夏季用電尖峰時造成台電電力負載不足等等的嚴重問題，因此，基於環保和能源有效應用的立場，不會造成臭氧層破壞及大氣溫室效應的廢熱型或太陽能冰水主機的研發已是刻不容緩。Traditional compression-type mainframes are facing serious problems such as the destruction of the ozone layer by CFC refrigerants and the shortage of power load of Taipower during the summer power spikes. Therefore, based on the position of environmental protection and energy efficient application, it will not cause ozone layer damage and waste heat of atmospheric greenhouse effect. The development of type or solar ice water mainframes is an urgent task.
吸收式冰水主機正符合了上述環保和能源上的要求，高效率的吸收式主機將比現有傳統式壓縮式主機優越。而高效率的吸收式冰水主機必須同時具備高能力的熱傳和質傳效果，而滑落液膜(falling-liquid film)之熱/質傳機構的傳輸能力相當優良，是以薄膜滑落形式的吸收式系統非常值得研究。Absorbent ice water mainframes are meeting the above environmental and energy requirements, and high-efficiency absorption mainframes will be superior to existing conventional compression mainframes. The high-efficiency absorption type ice water main unit must have high-capacity heat transfer and mass transfer effects, and the cooling/liquid transfer mechanism of the falling-liquid film is excellent in the transmission capacity of the film. Absorption systems are well worth studying.
目前吸收式冰水主機雖已有採用薄膜滑落形式的吸收器，但並未見到吸收器在特殊幾何形狀上能具備高能力的熱傳和質傳效果的設計。此外，對整個系統而言，吸收器可謂最重要、最昂貴的元件，因此為使吸收式主機夠有效率的運作，吸收器的最佳化設計是相當迫切的。At present, although the absorption type ice water host has adopted an absorber in the form of a film slip, it has not seen the design of the heat transfer and mass transfer effect of the absorber in a special geometry. In addition, the absorber is the most important and expensive component for the entire system, so in order for the absorption host to operate efficiently, the optimal design of the absorber is quite urgent.
為改良目前薄膜滑落式吸收器結構的設計，本發明係提供一種薄膜滑落式吸收器，其係持續導入一蒸氣，藉由導入的濃吸收液吸收蒸氣後轉變成稀吸收液而排出。In order to improve the design of the current structure of the film sliding type absorber, the present invention provides a film sliding type absorber which continuously introduces a vapor, which is discharged by diluting the vapor into a dilute absorption liquid after the introduced concentrated absorption liquid absorbs the vapor.
該薄膜滑落式吸收器包括：一內部容室，係充滿該蒸氣；以及至少一內外管模組，係設置於該內部容室，該至少一內外管模組外部具有一外表面，且該至少一內外管模組內部循環有一冷卻水。當中，濃吸收液進入該內部容室並流到該至少一內外管模組之頂部，進而溢流而下並於該外表面形成薄膜流動，以持續吸收該蒸氣，使得該濃吸收液轉變成一稀吸收液，其中該濃吸收液轉變成該稀吸收液的過程係藉由該冷卻水散熱。The film slide-type absorber includes: an internal chamber filled with the vapor; and at least one inner and outer tube module disposed on the inner chamber, the outer portion of the at least one inner and outer tube module having an outer surface, and the at least one outer surface A cooling water is circulated inside the inner and outer tube modules. The concentrated absorbing liquid enters the inner chamber and flows to the top of the at least one inner and outer tube module, thereby overflowing and forming a film flow on the outer surface to continuously absorb the vapor, so that the concentrated absorbing liquid is converted into a The dilute absorption liquid, wherein the process of converting the concentrated absorption liquid into the dilute absorption liquid is dissipated by the cooling water.
然而，在本發明實施例中，該至少一內外管模組係包括圓形內外管模組、及多邊形內外管模組，其中多邊形內外管模組更可以是三角形內外管模組、四方形內外管模組、或六角形內外管模組等。In the embodiment of the present invention, the at least one inner and outer tube module comprises a circular inner and outer tube module, and a polygonal inner and outer tube module, wherein the inner and outer tube modules of the polygon may be a triangular inner and outer tube module, and a square inner and outer tube. Pipe module, or hexagonal inner and outer tube modules.
請參考第1圖，其係為本發明第一較佳實施例薄膜滑落式吸收器之示意圖。Please refer to FIG. 1 , which is a schematic diagram of a film sliding type absorber according to a first preferred embodiment of the present invention.
由圖所示，本發明第一較佳實施例係提供一種薄膜滑落式吸收器100，包括：一內部容室10及一圓形內外管模組11。在此需特別注意的是，在其他實施例中圓形內外管模組11亦可以替換為多邊形內外管模組。在本實施例中，薄膜滑落式吸收器100係持續導入蒸氣S11，藉由導入的濃吸收液S12吸收蒸氣S11後轉變成稀吸收液S13而排出。以下即針對使用溴化鋰吸收液(LiBr /H 2 O )和氯化鈣吸收液(CaCl 2 /H 2 O )做為工作流體，應用於本薄膜滑落式吸收器100作詳實的說明。然熟知此技術者當知，吸收式主機內再生器亦可以參考本發明而在結構上稍作改變，進而得出薄膜滑落式再生器，以再生獲得蒸氣並還原出濃吸收液。As shown in the figure, a first preferred embodiment of the present invention provides a film slide-type absorber 100 comprising: an inner chamber 10 and a circular inner and outer tube module 11. It should be noted that in other embodiments, the circular inner and outer tube modules 11 can also be replaced with polygonal inner and outer tube modules. In the present embodiment, the film slide-type absorber 100 continuously introduces the vapor S11, and the introduced concentrated absorbent S12 absorbs the vapor S11 and then converts it into the diluted absorbent S13 to be discharged. The following is a detailed description of the use of lithium bromide absorbing liquid ( LiBr / H 2 O ) and calcium chloride absorbing liquid ( CaCl 2 / H 2 O ) as a working fluid, which is applied to the film sliding type absorber 100. It is known to those skilled in the art that the regenerative in-host regenerator can also be slightly modified in structure with reference to the present invention, thereby obtaining a film-slipping regenerator for regenerating vapor and reducing concentrated absorption.
內部容室10，係對外開設有二入口10a,10b及一出口10c。薄膜滑落式吸收器100導入之蒸氣S11係經由入口10a進入以使得內部容室10充滿該蒸氣S11。此外，導入的濃吸收液S12係經由入口10b進入，而稀吸收液S13係經由出口10c排出。The internal chamber 10 is provided with two inlets 10a, 10b and an outlet 10c. The vapor S11 introduced by the film slide-type absorber 100 enters through the inlet 10a to fill the internal chamber 10 with the vapor S11. Further, the introduced concentrated absorbent S12 enters through the inlet 10b, and the diluted absorbent S13 is discharged through the outlet 10c.
圓形內外管模組11，係設置於內部容室10。圓形內外管模組11係具有預定高度h及預定直徑d。在本實施例中，該預定高度h係為80cm，且該預定直徑d係為4.67cm，但本發明並不為限。此外，圓形內外管模組11外部具有外表面11a，且該圓形內外管模組11內部循環有冷卻水C1。The circular inner and outer tube modules 11 are disposed in the inner chamber 10. The circular inner and outer tube modules 11 have a predetermined height h and a predetermined diameter d. In the present embodiment, the predetermined height h is 80 cm, and the predetermined diameter d is 4.67 cm, but the invention is not limited thereto. In addition, the outer surface of the circular inner and outer tube module 11 has an outer surface 11a, and the inside of the circular inner and outer tube module 11 is circulated with cooling water C1.
本實施例係將濃吸收液S12導進入該內部容室10並流到圓形內外管模組11之頂部11b，進而溢流而下並於外表面11a形成薄膜流動，以持續吸收該蒸氣S11，使得濃吸收液S12轉變成稀吸收液S13，其中濃吸收液S12轉變成稀吸收液S13的過程係藉由冷卻水C1散熱。在此需注意的是，薄膜流動係具有預定流率s，其係為0.118kg/s，但本發明並不為限。然熟知此技術者當知，此預定流率s亦可視設計需求而做改變，並不限於此實施例所設定的數值。In this embodiment, the concentrated absorbing liquid S12 is introduced into the inner chamber 10 and flows to the top portion 11b of the circular inner and outer tube module 11, thereby overflowing and forming a film flow on the outer surface 11a to continuously absorb the vapor S11. The concentrated absorption liquid S12 is converted into a dilute absorption liquid S13, and the process in which the concentrated absorption liquid S12 is converted into the dilute absorption liquid S13 is dissipated by the cooling water C1. It should be noted here that the film flow system has a predetermined flow rate s of 0.118 kg/s, but the invention is not limited thereto. It is known to those skilled in the art that the predetermined flow rate s can also be changed depending on the design requirements, and is not limited to the values set in this embodiment.
請參考第2圖，其係為本發明第二較佳實施例薄膜滑落式吸收器之示意圖。第二較佳實施例薄膜滑落式吸收器200與第一較佳實施例薄膜滑落式吸收器100結構上大致相同，惟不同處在於，薄膜滑落式吸收器100在內部容室10內設置單一圓形內外管模組11，而薄膜滑落式吸收器200在內部容室20內設置第一圓形內外管模組211、第二圓形內外管模組212、及第三圓形內外管模組213。然熟知此技術者當知，此等圓形內外管模組數量係視冷凍能力設計需求而做擴充。Please refer to FIG. 2, which is a schematic diagram of a film sliding type absorber according to a second preferred embodiment of the present invention. The second preferred embodiment film slide-off absorber 200 is substantially identical in construction to the first preferred embodiment film slide-type absorber 100, except that the film-slip-type absorber 100 is provided with a single circle in the interior chamber 10. The inner and outer tube modules 11 are disposed, and the thin film sliding type absorber 200 is provided with a first circular inner and outer tube module 211, a second circular inner and outer tube module 212, and a third circular inner and outer tube module in the inner chamber 20. 213. However, those skilled in the art are aware that the number of such circular inner and outer tube modules is expanded depending on the design requirements of the refrigeration capacity.
此外，薄膜滑落式吸收器200在內部容室20內更設置分配器22並與入口20b相連接，以使得濃吸收液S22進入內部容室20可經由分配器22並流到第一圓形內外管模組211、第二圓形內外管模組212、及第三圓形內外管模組213之頂部211b,212b,213b。In addition, the film slide-type absorber 200 further includes a distributor 22 in the inner chamber 20 and is connected to the inlet 20b, so that the concentrated absorbent S22 enters the inner chamber 20 and can flow through the distributor 22 to the first circular inner and outer portions. The tube module 211, the second circular inner and outer tube module 212, and the tops 211b, 212b, 213b of the third circular inner and outer tube module 213.
再者，薄膜滑落式吸收器200之第一圓形內外管模組211、第二圓形內外管模組212、及第三圓形內外管模組213之間的冷卻水C2係採並聯式循環。Furthermore, the cooling water C2 between the first circular inner and outer tube module 211, the second circular inner and outer tube module 212, and the third circular inner and outer tube module 213 of the film sliding type absorber 200 is parallelized. cycle.
100,200．．．薄膜滑落式吸收器100,200. . . Thin film sliding absorber
10,20．．．內部容室10,20. . . Internal chamber
10a,10b,20b．．．入口10a, 10b, 20b. . . Entrance
10c．．．出口10c. . . Export
11．．．圓形內外管模組11. . . Round inner and outer tube module
211．．．第一圓形內外管模組211. . . First round inner and outer tube module
212．．．第二圓形內外管模組212. . . Second round inner and outer tube module
213．．．第三圓形內外管模組213. . . Third round inner and outer tube module
22．．．分配器twenty two. . . Distributor
11a．．．外表面11a. . . The outer surface
11b,211b,212b,213b．．．頂部11b, 211b, 212b, 213b. . . top
S11．．．蒸氣S11. . . Vapor
S12,S22．．．濃吸收液S12, S22. . . Concentrated absorbent
S13．．．稀吸收液S13. . . Dilute absorbent
h．．．預定高度h. . . Predetermined height
d．．．預定直徑d. . . Predetermined diameter
s．．．預定流率s. . . Scheduled flow rate
C1,C2．．．冷卻水C1, C2. . . Cooling water
第1圖係為本發明第一較佳實施例薄膜滑落式吸收器之示意圖。BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic view of a film slide-type absorber according to a first preferred embodiment of the present invention.
第2圖係為本發明第二較佳實施例薄膜滑落式吸收器之示意圖。Figure 2 is a schematic view of a film slide-type absorber according to a second preferred embodiment of the present invention.
100．．．薄膜滑落式吸收器100. . . Thin film sliding absorber
10．．．內部容室10. . . Internal chamber
10a,10b．．．入口10a, 10b. . . Entrance
10c．．．出口10c. . . Export
11．．．圓形內外管模組11. . . Round inner and outer tube module
11a．．．外表面11a. . . The outer surface
11b．．．頂部11b. . . top
S11．．．蒸氣S11. . . Vapor
S12．．．濃吸收液S12. . . Concentrated absorbent
S13．．．稀吸收液S13. . . Dilute absorbent
h．．．預定高度h. . . Predetermined height
d．．．預定直徑d. . . Predetermined diameter
s．．．預定流率s. . . Scheduled flow rate
C1．．．冷卻水C1. . . Cooling water
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW099133215A TWI391617B (en) | 2010-09-30 | 2010-09-30 | Falling-liquid film type absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW099133215A TWI391617B (en) | 2010-09-30 | 2010-09-30 | Falling-liquid film type absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201213756A TW201213756A (en) | 2012-04-01 |
| TWI391617B true TWI391617B (en) | 2013-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW099133215A TWI391617B (en) | 2010-09-30 | 2010-09-30 | Falling-liquid film type absorber |
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| TW (1) | TWI391617B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105157279B (en) * | 2015-07-28 | 2017-10-20 | 西安交通大学 | A kind of adjustable internally cooled falling film absorption experimental provision |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW430735B (en) * | 1999-05-31 | 2001-04-21 | Haruo Uehara | Absorber |
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- 2010-09-30 TW TW099133215A patent/TWI391617B/en not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW430735B (en) * | 1999-05-31 | 2001-04-21 | Haruo Uehara | Absorber |
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| TW201213756A (en) | 2012-04-01 |
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