CN1112457A - 气体溶解 - Google Patents
气体溶解 Download PDFInfo
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- CN1112457A CN1112457A CN95102868A CN95102868A CN1112457A CN 1112457 A CN1112457 A CN 1112457A CN 95102868 A CN95102868 A CN 95102868A CN 95102868 A CN95102868 A CN 95102868A CN 1112457 A CN1112457 A CN 1112457A
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- 239000007788 liquid Substances 0.000 claims abstract description 29
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000001301 oxygen Substances 0.000 claims abstract description 25
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 25
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 28
- 239000003463 adsorbent Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 2
- 230000002706 hydrostatic effect Effects 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
- B01F23/2326—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles adding the flowing main component by suction means, e.g. using an ejector
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
- B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
- B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
- B01F23/237612—Oxygen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
- B01F23/454—Mixing liquids with liquids; Emulsifying using flow mixing by injecting a mixture of liquid and gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
- B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
- B01F25/3121—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
- B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
- B01F25/31242—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow the main flow being injected in the central area of the venturi, creating an aspiration in the circumferential part of the conduit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
- B01F25/53—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle in which the mixture is discharged from and reintroduced into a receptacle through a recirculation tube, into which an additional component is introduced
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S261/00—Gas and liquid contact apparatus
- Y10S261/75—Flowing liquid aspirates gas
Abstract
一种用来向液体(14)中引入氧气的装置(10),其
中包括一个向混合装置(18)供送液体的泵(12),该混
合装置位于和液体表面S相同或相近的水平位置以
避免由静水压头产生的问题,装置(10)还包括一个在
不升压的情况下向混合装置(18)供送氧的加压循环
式吸附装置(34)。混合装置(18)被设计成能利用流体
能量促进氧与液体的混合。
Description
本发明涉及气体溶解,特别是涉及但不限于在水中溶解氧。
在处理污水时,常常需要在污水中溶解大量的氧以便将污水氧化。目前已知的方法包括英国专利1455567提到的英国氧气公司(BOC)集团产品目录中的VITOXTM装置。该装置包括一个文丘里管,管喉四周有许多小孔,用来向流过文丘里管的液体中引入氧气。氧通常由液体储器提供,释放出的气体压力常超过6巴(表压),而且高出VITOXTM装置的工作压力1.8巴(表压)很多,以确保能将氧引入到液体中。另一种作法是,可以将文丘里管安排成其喉管中的工作压力低于常压,因此为保持氧通入到液体中所需要的气体压力较低。这种安排并不理想,因为通常文丘里管只回收到液体压力损失的80%,大量的能量不得不消耗在提供额外压力的液体泵中。
本发明的目的之一是提供一种用于向液体(例如污水)中引入氧的装置,该装置特别适合在低气体压力下操作而不增加液体压力,从而减小了能量损耗并提高了效率。
因此,本发明提供了一种向液体中引入气体的装置,该装置包括由一般是渐缩的第一段和一般是渐扩的第二段构成的一个导管,上述的第一段的出口端的直径小于第二段的入口端并伸入其中,从而在它们之间形成一个环形间隙,该装置还包括一个供气装置,用来向环形间隙中供送气体,以促进该气体与流过导管的任何流体的混合。
该装置在第一段中还包括许多轴向延伸、沿周边间隔排列的狭缝,各狭缝均与供气装置流动连接,以便进一步促进气体进入流过导管的任何流体之中。
该装置还包括一个送气室,用来容纳要溶解在液体中的气体并将该气体引向环形间隙和/或狭缝。
上述送气室包括在第一段和第二段之间延伸的第一室壁部分和一部分第一段和第二段本身。
第一室壁部分包括一个围绕第一和第二段整个外周延伸的直立圆管。
此装置还在上述的第二段中有许多排放孔,这些孔分布在送气室和第二段内部之间,以便促进气体向第二段中液体内的扩散。
在一种特别合适的安排中,上述的第一和/或第二段由截锥体构成。
在一种特别有利的安排中,此装置还包括一个相连的加压循环式吸附装置,用来向环形间隙和/或狭缝及/或排放孔供送气体形式的氧。
现在将以实施例的形式参照以下附图对本发明作更具体的说明,附图中:
图1是本发明装置的全视图,
图2是图1中所示的文丘里管混合装置的横截面图。
参看图1,用来将气体溶于液体中的装置10包括一个用来从储罐16将一定量的液体14抽送到混合装置18(详见图2)中的泵12。混合装置18包括一个导管20,该导管由一般是渐缩的第一段(例如截锥体22)和一般是渐扩的第二段24构成。第一段具有狭窄的出口端26,其直径小于第二段24的入口端28并且伸入到该入口端28之中,从而在它们之间构成了一个环形间隙30。由在第一段22和第二段24之间延伸的采取直立圆管32形式的第一室壁部分和一部分第一和第二段本身构成送气室31,用来容纳来自气源34(图1)的气体和将气体引向环形间隙,以便以下面将详细说明的方式流过间隙。混合装置10还可以包括许多在第一段22中轴向延伸、沿周边间隔排列的狭缝36和/或在第二段24中的许多排放孔38,这些孔分布在送气室31和第二段内部24a之间,用来从透气室31中排出液体和/或向第二段24内的液体中送入气体。
氧气加压循环吸附装置34通过控制阀39与混合装置18相连,用来在不升压的条件下供应氧气,而混合装置本身则位于或靠近装在槽16的任何液体的表面S处,从而减小了静水压头。选择流过文丘里管的水速和面积变化比A/a,以便使喉部压力约为0.6巴(表压)。倘若能避免过大的静水压头,则此压力足以保证直接从加压循环式吸附装置中抽出氧气,该装置通常在1到1.5巴(表压)的输出压力下操作。
在操作时,开动泵12将液体14从槽16泵送到混合装置18,以约5米/秒的速度在约0.6巴(表压)下流过该装置。因为未升压的加压循环式吸附装置在1到1.5巴(表压)下释放氧气,所以有足够的正氧压保证氧气能被引入到低处的液体周围,并且混合后分散到下游。
上述混合装置的某些结构特点特别适合于低压混合。例如,环形间隙30使得氧能被引入到流过该装置的液体的周围,利用液体中的动力来“夹带”氧,这种夹带方式使得气体的引入能在比先前设想过的都要低的差压比下进行。另外,液体以湍流方式扩张进入一般是渐扩的第二段24,保证了进一步的混合。显然,因为有关的压力较低,可能需要提供另外的氧通道。狭缝36特别适用,因为与已知混合器中的典型的圆孔相比,它的尺寸可以加大。尺寸的加大与操作压力比已知混合器的降低成比例,并且可以有较长的“停留期”,也就是说,液体与氧之间的接触时间较长。接触时间越长,氧混合的机会越大。排放孔38的作用是排放掉进入送气室31的任何液体,并且还可以向稍呈湍流的下游渐扩区24a中引入氧气,在该处发生进一步的混合。
Claims (10)
1、一种向液体中引入气体的装置,该装置包括一个由一般是渐缩的第一段和一般是渐扩的第二段构成的导管,上述的第一段有一个直径比第二段入口端小的窄的出口端,它伸入到第二段入口之中,从而在它们之间形成一个环形间隙,该装置还包括一个供气装置,用来向环形间隙中供送气体以促进该气体与流过导管的任何流体的混合。
2、权利要求1的一种装置,其中在第一段中还有许多轴向延伸、四周间隔分布的狭缝,各狭缝均与上述供气装置流动连接,以便进一步促进气体进入流过导管的任何液体之中。
3、权利要求1或2中的一种装置,其中还包含一个送气室,用于容纳要溶在液体中的气体和将气体引向环形间隙和/或狭缝。
4、权利要求3的一种装置,其中所述的送气室包括从第一段延伸到第二段的第一室壁部分和一部分第一段和第二段本身。
5、权利要求3或4的一种装置,其中第一室壁部分由围绕第一和第二段整个外周的直立圆管构成。
6、权利要求1至5任何一项中的一种装置,其中还在第二段中有许多排放孔,分布在送气室和第二段内部之间,以促进气体向第二段中的液体内的排放。
7、上述权利要求中任何一项的一种装置,其中的第一和/或第二段由截锥构成。
8、上述权利要求中任何一项的一种装置,其中还包括一个相连接的加压循环式吸附装置,用来向环形间隙和/或狭缝及/或排放孔供送气体形式的氧。
9、上述权利要求中任何一项的一种装置,其中该装置位于和要处理的液体的表面相同或相近的水平面上。
10、一种基本上如本文参照附图所述和如图1和2所示意说明的装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9405000.2 | 1994-03-15 | ||
GB9405000A GB9405000D0 (en) | 1994-03-15 | 1994-03-15 | Gas dissolving |
US08/403,326 US5520856A (en) | 1994-03-15 | 1995-03-14 | Gas dissolving |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1112457A true CN1112457A (zh) | 1995-11-29 |
CN1090526C CN1090526C (zh) | 2002-09-11 |
Family
ID=26304500
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN95102868A Expired - Fee Related CN1090526C (zh) | 1994-03-15 | 1995-03-15 | 气体溶解 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5520856A (zh) |
EP (1) | EP0673885B1 (zh) |
JP (1) | JPH07265676A (zh) |
CN (1) | CN1090526C (zh) |
CA (1) | CA2143362C (zh) |
GB (1) | GB9405000D0 (zh) |
PL (1) | PL178271B1 (zh) |
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CN1302838C (zh) * | 2000-06-29 | 2007-03-07 | 斯塔特石油公开有限公司 | 混合流体的方法 |
CN102583717A (zh) * | 2012-03-09 | 2012-07-18 | 蔡庆 | 一种无桨叶涵道式水下推送搅拌方法与装置 |
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CN103170264A (zh) * | 2013-04-12 | 2013-06-26 | 中国人民解放军军事医学科学院卫生装备研究所 | 一种气液混合装置 |
JP6988183B2 (ja) * | 2017-06-15 | 2022-01-05 | 株式会社Ihi | ガス供給装置 |
FI3546059T3 (fi) | 2018-03-28 | 2023-07-27 | Air Liquide | Laitteisto ja järjestely kaasun syöttämiseksi pääväliaineeseen erityisesti jäteveden käsittelyssä |
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FR971536A (fr) * | 1948-09-10 | 1951-01-18 | Procédé et appareil pour la saturation ou le mélange de liquides ou de gaz, notamment pour le traitement des boissons | |
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US5403522A (en) * | 1993-11-12 | 1995-04-04 | Von Berg; Richard | Apparatus and methods for mixing liquids and flowable treating agents |
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- 1995-02-24 CA CA002143362A patent/CA2143362C/en not_active Expired - Fee Related
- 1995-03-10 EP EP95301592A patent/EP0673885B1/en not_active Expired - Lifetime
- 1995-03-14 US US08/403,326 patent/US5520856A/en not_active Expired - Lifetime
- 1995-03-15 JP JP7055632A patent/JPH07265676A/ja active Pending
- 1995-03-15 CN CN95102868A patent/CN1090526C/zh not_active Expired - Fee Related
- 1995-03-15 PL PL95307707A patent/PL178271B1/pl not_active IP Right Cessation
Cited By (11)
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CN1088612C (zh) * | 1998-02-20 | 2002-08-07 | 稻田太一 | 加压气液溶解槽 |
CN1302838C (zh) * | 2000-06-29 | 2007-03-07 | 斯塔特石油公开有限公司 | 混合流体的方法 |
CN102583717A (zh) * | 2012-03-09 | 2012-07-18 | 蔡庆 | 一种无桨叶涵道式水下推送搅拌方法与装置 |
CN102583717B (zh) * | 2012-03-09 | 2014-01-29 | 蔡庆 | 一种无桨叶涵道式水下推送搅拌方法与装置 |
CN102764605A (zh) * | 2012-07-30 | 2012-11-07 | 西藏创源水资源科技有限责任公司 | 一种不用电生产高氧水的方法及设备 |
CN102764605B (zh) * | 2012-07-30 | 2015-09-30 | 西藏创源水资源科技有限责任公司 | 一种不用电生产高氧水的方法及设备 |
CN103922459A (zh) * | 2014-04-27 | 2014-07-16 | 大连海事大学 | 一种水力空化协同高浓度活性氧制备羟自由基的方法 |
CN106110919A (zh) * | 2015-05-08 | 2016-11-16 | 环境技术韩国有限公司 | 用于净化废水的微气泡型扩散器 |
CN106110919B (zh) * | 2015-05-08 | 2019-06-28 | 环境技术韩国有限公司 | 用于净化废水的微气泡型扩散器 |
CN113423491A (zh) * | 2019-01-23 | 2021-09-21 | 蓝浦控股有限两合公司 | 混合装置 |
CN110270240A (zh) * | 2019-06-06 | 2019-09-24 | 常州瑞凯化工装备有限公司 | 稀释蒸汽混合器 |
Also Published As
Publication number | Publication date |
---|---|
CN1090526C (zh) | 2002-09-11 |
GB9405000D0 (en) | 1994-04-27 |
EP0673885B1 (en) | 1998-05-13 |
CA2143362A1 (en) | 1995-09-16 |
JPH07265676A (ja) | 1995-10-17 |
PL178271B1 (pl) | 2000-03-31 |
CA2143362C (en) | 2007-07-03 |
EP0673885A2 (en) | 1995-09-27 |
PL307707A1 (en) | 1995-09-18 |
EP0673885A3 (zh) | 1995-10-11 |
US5520856A (en) | 1996-05-28 |
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