CN85107254A - 制备臭氧的工艺方法 - Google Patents
制备臭氧的工艺方法 Download PDFInfo
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- CN85107254A CN85107254A CN198585107254A CN85107254A CN85107254A CN 85107254 A CN85107254 A CN 85107254A CN 198585107254 A CN198585107254 A CN 198585107254A CN 85107254 A CN85107254 A CN 85107254A CN 85107254 A CN85107254 A CN 85107254A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/10—Preparation of ozone
- C01B13/11—Preparation of ozone by electric discharge
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2201/00—Preparation of ozone by electrical discharge
- C01B2201/10—Dischargers used for production of ozone
- C01B2201/14—Concentric/tubular dischargers
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2201/00—Preparation of ozone by electrical discharge
- C01B2201/20—Electrodes used for obtaining electrical discharge
- C01B2201/22—Constructional details of the electrodes
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2201/00—Preparation of ozone by electrical discharge
- C01B2201/20—Electrodes used for obtaining electrical discharge
- C01B2201/24—Composition of the electrodes
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2201/00—Preparation of ozone by electrical discharge
- C01B2201/30—Dielectrics used in the electrical dischargers
- C01B2201/34—Composition of the dielectrics
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- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
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Abstract
在臭氧发生器中产生臭氧并在变压吸附器内将臭氧同未转化的氧分离开来。从变压吸附器中流出的臭氧在与流动介质混合之前流过一个均压罐,该均压罐至少部分地装填了硅胶。
Description
本发明所涉及的是一种材料处理用臭氧的制备工艺方法。按该工艺方法,臭氧是用氧作原料在臭氧发生器中产生的。
臭氧是多种有机化合物和无机化合物的优良氧化剂。例如,人们可以用它来处理水中的无用成分,使水脱色或解毒,或者使水中的无用成分易于生物降解或絮凝。臭氧的氧化作用可用于化学领域中,例如用来制酸;利用臭氧可以漂白纸浆;利用臭氧来处理塑料能使塑料表面性能得以改善。很多气体也能同臭氧发生作用,例如一氧化一氮可被臭氧所氧化。
在工业操作上,臭氧是用空气或者纯氧作原料在臭氧发生器中藉静电放电法来制备的。由于供入臭氧发生器中的氧只有一部分被转化成臭氧,所以必须把未转化的氧从臭氧中分离出来,并在使用纯氧生产臭氧的情况下,为节约起见,把未转化的氧再循环到臭氧发生器中去。氧与臭氧的分离可以在一种变压吸附器中进行。在吸附过程中,略为增加压力,臭氧即为吸附器中的硅胶所吸附。在脱附过程中,略为减小压力,臭氧即被脱附。脱附可以利用某种清扫气来进行;但使用这种气体的缺点是,被脱附的臭氧为之所稀释。
由DE-OS3230922,已知一种在低于大气压力的条件下进行脱附的工艺方法。其中,举例来说,真空是使用一种喷水压气机来产生的。从变压吸附器中流出来的臭氧未被稀释,它与喷水压气机的水相混合。如果需要的话,甚至在这种水中,臭氧也能进行预定的反应。
鉴于DE-OS3230922中所述工艺方法的实际应用,在脱附过程所脱附的气体中,臭氧的浓度是不恒定的。在脱附过程开始时,出现高浓度峰值,而在脱附过程中,臭氧的浓度则不断下降。除此之外,在脱附过程的开始阶段,脱附管中的压力还明显升高,特别是当使用低真空,小脱附管容积时。
浓度的波动是由于在脱附过程中硅胶对臭氧的承载量减小而引起的。由于被吸附的气体中也存在残留的氧,所以臭氧的浓度还受吸附过程中已被吸附在硅胶中的残留氧以及已被吸附在硅胶吸附剂自由体积和孔体积中的残留氧的影响。这种浓度上的变化和压力上的变化并不影响在许多方面的应用。然而,当反应时间和保留时间短的时候,这些变化会对预定的反应产生不利影响。
因此,本发明的目的是要改进DE-OS3230922中的已知工艺方法,使在低于大气压力条件下脱附的臭氧可以在恒压恒浓度下输到真空发生装置中去。
本发明所述的工艺方法,其优点在于,在被脱附的气体中所产生的压力峰值和浓度峰值可被补偿并均衡。压力和浓度可以低费用保持在危险极限值以下。除此而外,均恒的臭氧浓度相互作用的反应物在有臭氧参与的反应中保留较短的时间。新观察到的极限值,压力为0.6巴(绝对压力)、浓度为每立方米工艺气体160克。
唯一的附图说明了本发明的一个实施例,其中脱附臭氧所用的低于大气压的压力是用喷水压气机来产生的。
产生臭氧所用的氧以液体状态取自立式罐1,在蒸发器2中予以蒸发,其压力在减压器3中减到0.5~2巴(绝对压力),然后输到臭氧发生器4中。将臭氧发生器4中产生的臭氧-氧混合物用循环鼓风机5输送到变压吸附器6中。变压吸附器6至少由两个装填有硅胶的容器所组成。这两个容器以0.5~5分钟的时间间隔交替操作。臭氧在其中的一个容器中被吸附,而氧则流过该容器并被以洁净而未曾污染的状态经由管道7输回到臭氧发生器中去。
同时,臭氧在另一个容器中在低于大气压力的条件下被脱附。真空是用喷水压气机8来产生的。它在通向变压吸附器6的抽吸侧产生一种低于0.2巴(绝对压力)的真空。喷射水起着流动介质的作用,其压力由于泵9的作用而增高,使喷水压气机8达到所需的抽吸能力,流动方向如箭头10所示。
从变压吸附器6中流出的脱附气体由臭氧及残留氧所组成。它在与喷水压气机8中作为流动介质的水混合之前,于真空条件下流经均压罐11。该均压罐11的容量为变压吸附器6中任一容器容量的三倍,而且其中三分之一的容积装填有硅胶12。硅胶12的装填部位在均压罐11的出口端。
均压罐11使在脱附过程开始时升高的压力降下来,并在臭氧被引入反应介质中之前使脱附气体中的臭氧浓度得以均衡。臭氧发生器4中所产生的臭氧由于被变压吸附器中的硅胶所吸附而基本上完全与氧分离开来。然后,利用真空将臭氧脱附出来。在第三步步骤中,臭氧又为均压罐11中的硅胶12所吸附并被储存起来。最后,在第四步骤中,即最后一个步骤中,臭氧被均衡地释放到起输送介质或反应介质作用的流动介质中去。
当然,本发明所述的工艺方法并不只局限于使用喷水压气机来产生真空。例如,真空也可以用一种喷射器和一种用作流动介质的气体介质来产生。真空也可以用泵来产生,而流动介质仅用作臭氧的输送介质。
均压罐的容量主要取决于所施加的抽吸压力。其容量通常为变压吸附器6中任一容器的二倍至四倍。均压罐11也可以装填三分之一以上的硅胶。一般说来,应当设法防止被脱附气体的压力峰值超过0.6巴(绝对压力)并防止臭氧的浓度以每立方米处于脱附过程开始时,也即从吸附转变到脱附时,以及变压吸附器6中单个容器内因均压罐11的自由体积和硅胶12的体积综合起来所施加的抽吸压力,该压力一般小于0.2巴(绝对压力),所致减压过程中工艺状态的气体为基准计超过160克臭氧。如果不超过这些极限值,就可以使臭氧经均压罐11均衡压力之后以高度均恒的浓度被释放出来。
用氧作原料在一般的臭氧发生器4中产生臭氧,并在一种变压吸附器6中用吸附剂吸附臭氧的方法将臭氧与未转化的氧分离开来。脱附可以使用某种清扫气,或者使用真空来进行。真空法的优点在于,臭氧不与清扫气混合,而以纯净状态与流动介质混合并发生反应。然而,在真空条件下的脱附过程中会出现压力峰值和浓度峰值,特别是在脱附过程开始的时候。这对于以均恒方式供给臭氧进行关键的材料处理而言,是不希望发生的。
为了消除这种压力峰值和浓度峰值,本发明中将臭氧在真空下流过一个均压罐11;该均压罐安置在变压吸附器和真空发生装置之间,而且其中至少部分地装填了硅胶12。
Claims (6)
1、一种材料处理用臭氧的生产方法,其中以氧为原料在臭氧发生器中产生臭氧,于室温减压吸附过程中在变压吸附器内使所生成的臭氧与未能转化的氧互相分离并将未转化的氧输回到臭氧发生器中重新回收使用,在此之后将所吸附的臭氧在低于大气压力条件下的脱附过程中藉助真空发生器和流动介质的共同作用从变压吸附器中流出、与流动介质混合并用于材料处理,其改进方法在于,臭氧与流动介质混合之前,从变压吸附器中流出的臭氧流过一个至少部分地装填硅胶的均压罐。
2、根据权项1所述的方法,其特征在于,均压罐容积为变压吸附器中任一个吸附容器的二倍到四倍。
3、根据权项2所述的方法,其特征在于,均压罐的容积中至少有三分之一装填了硅胶。
4、根据权项3所述的方法,其特征在于,硅胶被置于均压罐的出口侧。
5、根据权项3所述的方法,其特征在于,均压罐的容积至少有三分之一装填了硅胶。
6、根据权项4所述的方法,其特征在于,硅胶被置于均压罐的出口侧。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3422989A DE3422989C2 (de) | 1984-06-22 | 1984-06-22 | Vorrichtung zur Erzeugung von Ozon |
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CN85107254A true CN85107254A (zh) | 1987-04-08 |
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Application Number | Title | Priority Date | Filing Date |
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CN85104075A Expired CN1013571B (zh) | 1984-06-22 | 1985-05-28 | 生产臭氧装置 |
CN198585107254A Pending CN85107254A (zh) | 1984-06-22 | 1985-09-28 | 制备臭氧的工艺方法 |
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Application Number | Title | Priority Date | Filing Date |
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CN85104075A Expired CN1013571B (zh) | 1984-06-22 | 1985-05-28 | 生产臭氧装置 |
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US (1) | US4656010A (zh) |
EP (1) | EP0165424B1 (zh) |
JP (1) | JPS6114104A (zh) |
CN (2) | CN1013571B (zh) |
AT (1) | ATE53818T1 (zh) |
AU (1) | AU566857B2 (zh) |
BR (1) | BR8502872A (zh) |
CA (1) | CA1272983A (zh) |
DE (1) | DE3422989C2 (zh) |
DK (1) | DK160814C (zh) |
ES (1) | ES8607881A1 (zh) |
FI (1) | FI75328C (zh) |
NO (1) | NO165230C (zh) |
ZA (1) | ZA853327B (zh) |
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JP5881538B2 (ja) * | 2012-06-06 | 2016-03-09 | 三菱電機株式会社 | オゾン発生装置 |
CN104219863A (zh) * | 2014-09-23 | 2014-12-17 | 江苏大学 | 一种双介质低温等离子体发生器 |
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US11246955B2 (en) | 2018-10-29 | 2022-02-15 | Phoenixaire, Llc | Method and system for generating non-thermal plasma |
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US3942020A (en) * | 1974-12-09 | 1976-03-02 | Cubic Corporation | Corona discharge ozone generator |
DE2634720C2 (de) * | 1976-08-02 | 1984-08-09 | Arthur Bachenbülach Gneupel | Ozonerzeuger |
DE7615881U1 (de) * | 1976-05-19 | 1976-11-11 | Erwin Sander, Elektroapparatebau Gmbh & Co Kg, 3162 Uetze | Vorrichtung zur herstellung von ozon |
GB2008369B (en) * | 1977-10-14 | 1982-04-28 | Elf Aquitaine | Device for the manufacture of ozone |
JPS5467590A (en) * | 1977-11-09 | 1979-05-31 | Toshiba Corp | Ozone generator |
CH638758A5 (fr) * | 1979-04-02 | 1983-10-14 | Cbs Biotechnic Sa | Appareil ozoniseur. |
JPS5945905A (ja) * | 1982-09-06 | 1984-03-15 | Fuji Electric Co Ltd | オゾン発生装置 |
DE8226003U1 (de) * | 1982-09-15 | 1983-01-05 | Clinico Medizintechnik GmbH, 6442 Rotenburg | Vorrichtung zum erzeugen von ozon aus sauerstoff |
-
1984
- 1984-06-22 DE DE3422989A patent/DE3422989C2/de not_active Expired
-
1985
- 1985-04-26 US US06/727,548 patent/US4656010A/en not_active Expired - Lifetime
- 1985-04-29 FI FI851679A patent/FI75328C/fi not_active IP Right Cessation
- 1985-05-03 ZA ZA853327A patent/ZA853327B/xx unknown
- 1985-05-07 AT AT85105533T patent/ATE53818T1/de not_active IP Right Cessation
- 1985-05-07 ES ES542886A patent/ES8607881A1/es not_active Expired
- 1985-05-07 EP EP85105533A patent/EP0165424B1/de not_active Expired - Lifetime
- 1985-05-22 NO NO852048A patent/NO165230C/no not_active IP Right Cessation
- 1985-05-28 CN CN85104075A patent/CN1013571B/zh not_active Expired
- 1985-06-17 BR BR8502872A patent/BR8502872A/pt not_active IP Right Cessation
- 1985-06-19 JP JP60132101A patent/JPS6114104A/ja active Granted
- 1985-06-21 AU AU43973/85A patent/AU566857B2/en not_active Ceased
- 1985-06-21 DK DK280885A patent/DK160814C/da not_active IP Right Cessation
- 1985-06-21 CA CA000484844A patent/CA1272983A/en not_active Expired - Fee Related
- 1985-09-28 CN CN198585107254A patent/CN85107254A/zh active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1301898C (zh) * | 2002-04-25 | 2007-02-28 | 波克股份有限公司 | 臭氧制造方法 |
CN101878183A (zh) * | 2007-11-30 | 2010-11-03 | 东芝三菱电机产业系统株式会社 | 高浓度臭氧气体生成装置及高浓度臭氧气体生成方法 |
CN102976275A (zh) * | 2012-11-12 | 2013-03-20 | 蹇守民 | 制取高浓度臭氧及残余氧气回收再利用的设备 |
CN102976275B (zh) * | 2012-11-12 | 2015-04-08 | 蹇守民 | 制取高浓度臭氧及残余氧气回收再利用的设备 |
CN103754829A (zh) * | 2014-01-27 | 2014-04-30 | 蹇守民 | 一种氧气和臭氧分离的方法 |
CN103769039A (zh) * | 2014-01-27 | 2014-05-07 | 蹇守民 | 一种吸附剂的制备方法 |
CN103754829B (zh) * | 2014-01-27 | 2015-10-28 | 蹇守民 | 一种氧气和臭氧分离的方法 |
CN109502551A (zh) * | 2017-09-15 | 2019-03-22 | 修国华 | 用于生产臭氧的方法和系统 |
Also Published As
Publication number | Publication date |
---|---|
EP0165424A3 (en) | 1988-01-07 |
DE3422989A1 (de) | 1985-12-19 |
NO165230B (no) | 1990-10-08 |
FI851679L (fi) | 1985-12-23 |
EP0165424B1 (de) | 1990-05-02 |
FI75328B (fi) | 1988-02-29 |
NO852048L (no) | 1985-12-23 |
NO165230C (no) | 1991-01-16 |
ZA853327B (en) | 1985-12-24 |
JPS6358765B2 (zh) | 1988-11-16 |
ES8607881A1 (es) | 1986-06-01 |
DE3422989C2 (de) | 1986-10-09 |
ES542886A0 (es) | 1986-06-01 |
CN85104075A (zh) | 1986-11-26 |
CA1272983A (en) | 1990-08-21 |
JPS6114104A (ja) | 1986-01-22 |
DK280885A (da) | 1985-12-23 |
DK280885D0 (da) | 1985-06-21 |
AU4397385A (en) | 1986-01-02 |
DK160814B (da) | 1991-04-22 |
DK160814C (da) | 1991-10-07 |
CN1013571B (zh) | 1991-08-21 |
BR8502872A (pt) | 1986-02-25 |
US4656010A (en) | 1987-04-07 |
EP0165424A2 (de) | 1985-12-27 |
AU566857B2 (en) | 1987-10-29 |
ATE53818T1 (de) | 1990-06-15 |
FI851679A0 (fi) | 1985-04-29 |
FI75328C (fi) | 1988-06-09 |
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