JP6428429B2 - 深冷空気分離システム - Google Patents
深冷空気分離システム Download PDFInfo
- Publication number
- JP6428429B2 JP6428429B2 JP2015063121A JP2015063121A JP6428429B2 JP 6428429 B2 JP6428429 B2 JP 6428429B2 JP 2015063121 A JP2015063121 A JP 2015063121A JP 2015063121 A JP2015063121 A JP 2015063121A JP 6428429 B2 JP6428429 B2 JP 6428429B2
- Authority
- JP
- Japan
- Prior art keywords
- air
- raw material
- heating operation
- material air
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
- F25J3/04284—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams
- F25J3/0429—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams of feed air, e.g. used as waste or product air or expanded into an auxiliary column
- F25J3/04303—Lachmann expansion, i.e. expanded into oxygen producing or low pressure column
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04406—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using a dual pressure main column system
- F25J3/04412—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using a dual pressure main column system in a classical double column flowsheet, i.e. with thermal coupling by a main reboiler-condenser in the bottom of low pressure respectively top of high pressure column
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04763—Start-up or control of the process; Details of the apparatus used
- F25J3/04769—Operation, control and regulation of the process; Instrumentation within the process
- F25J3/04812—Different modes, i.e. "runs" of operation
- F25J3/04824—Stopping of the process, e.g. defrosting or deriming; Back-up procedures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2245/00—Processes or apparatus involving steps for recycling of process streams
- F25J2245/40—Processes or apparatus involving steps for recycling of process streams the recycled stream being air
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Separation By Low-Temperature Treatments (AREA)
Description
前記原料空気管から分岐して設けられ、前記原料空気圧縮機から供給される原料空気を放風弁を介して放風する放風管と、前記放風管における放風弁の上流側から分岐して設けられ、当該放風管を流れる原料空気の一部または全量を流通させる加温運転用放風管と、前記原料空気管における前記MS吸着器と前記主熱交換器との間に設けられ、前記原料空気管を流れる原料空気と前記加温運転用放風管を流れる原料空気との間で熱交換を行う加温運転用熱交換器と、前記原料空気管における前記加温運転用熱交換器と前記主熱交換器との間に設けられた、当該原料空気管内を流れる原料空気の温度を測定する温度測定機構と、前記温度測定機構での温度測定結果に基づいて、前記加温運転用放風管を流通する原料空気量を制御する制御装置と、を有することを特徴としている。
前記加温運転用熱交換器は、前記加温運転用放風調節弁の上流側に設けられていてもよい。
10 吸入フィルタ
11 原料空気圧縮機
12 水洗冷却塔
13 MS吸着器
14 加温運転用熱交換器
15 主熱交換器
16 精留塔
16a 高圧部
16b 低圧部
20 原料空気管
20a 分岐管
21 温度測定機構
22 膨張タービン
30 主凝縮器
31 窒素抽出管
32 酸素抽出管
33 廃窒素抽出管
40 放風管
41 放風弁
42 サイレンサ
50 加温運転用放風管
51 加温運転用放風調節弁
Claims (2)
- 原料空気圧縮機で圧縮された原料空気を、原料空気管を介して水洗冷却塔、MS吸着器、主熱交換器及び精留塔に供給して、精留塔で製品酸素及び製品窒素を生成する深冷空気分離システムであって、
前記原料空気管から分岐して設けられ、前記原料空気圧縮機から供給される原料空気を放風弁を介して放風する放風管と、
前記放風管における放風弁の上流側から分岐して設けられ、当該放風管を流れる原料空気の一部または全量を流通させる加温運転用放風管と、
前記原料空気管における前記MS吸着器と前記主熱交換器との間に設けられ、前記原料空気管を流れる原料空気と前記加温運転用放風管を流れる原料空気との間で熱交換を行う加温運転用熱交換器と、
前記原料空気管における前記加温運転用熱交換器と前記主熱交換器との間に設けられた、当該原料空気管内を流れる原料空気の温度を測定する温度測定機構と、
前記温度測定機構での温度測定結果に基づいて、前記加温運転用放風管を流通する原料空気量を制御する制御装置と、を有することを特徴とする、深冷空気分離システム。 - 前記加温運転用放風管には、当該加温運転用放風管を流通する原料空気量を制御するように前記制御装置により制御される加温運転用放風調節弁が設けられ、
前記加温運転用熱交換器は、前記加温運転用放風調節弁の上流側に設けられていることを特徴とする、請求項1に記載の深冷空気分離システム。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015063121A JP6428429B2 (ja) | 2015-03-25 | 2015-03-25 | 深冷空気分離システム |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015063121A JP6428429B2 (ja) | 2015-03-25 | 2015-03-25 | 深冷空気分離システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016183793A JP2016183793A (ja) | 2016-10-20 |
JP6428429B2 true JP6428429B2 (ja) | 2018-11-28 |
Family
ID=57241741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015063121A Active JP6428429B2 (ja) | 2015-03-25 | 2015-03-25 | 深冷空気分離システム |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6428429B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3587971A1 (de) * | 2018-06-25 | 2020-01-01 | Linde Aktiengesellschaft | Verfahren zum betreiben eines wärmetauschers, anordnung mit einem wärmetauscher und luftbearbeitungsanlage mit einer entsprechenden anordnung |
CN113551483A (zh) * | 2021-07-19 | 2021-10-26 | 上海加力气体有限公司 | 一种单塔精馏废气返流膨胀制氮系统及制氮机 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5443079Y2 (ja) * | 1975-03-18 | 1979-12-13 | ||
JPS594873A (ja) * | 1982-06-29 | 1984-01-11 | 日本酸素株式会社 | 空気分離装置の加温方法 |
WO2004015347A2 (en) * | 2002-08-08 | 2004-02-19 | Pacific Consolidated Industries, L.P. | Nitrogen generator |
-
2015
- 2015-03-25 JP JP2015063121A patent/JP6428429B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2016183793A (ja) | 2016-10-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU2557945C2 (ru) | Способ для сжижения топочного газа от сжигательных установок | |
CN104729033B (zh) | 空调机组的冷水机组的防冻方法和装置 | |
US20140374497A1 (en) | Heat source system, control device thereof, and control method thereof | |
JP6428429B2 (ja) | 深冷空気分離システム | |
JP6354516B2 (ja) | 深冷空気分離装置及び深冷空気分離方法 | |
US9291409B1 (en) | Compressor inter-stage temperature control | |
CN105823282A (zh) | 一种用于二氧化碳热泵系统优化运行的排气压力控制方法 | |
US10190600B2 (en) | Pressure increasing system and method of increasing gas pressure | |
JP6354517B2 (ja) | 深冷空気分離装置及び深冷空気分離方法 | |
JP2004232967A (ja) | 深冷空気分離装置 | |
JP6753298B2 (ja) | 空気液化分離方法および空気液化分離装置 | |
JP2004218871A (ja) | 深冷空気分離プラント | |
JP5071146B2 (ja) | 熱源システム及びその運転方法 | |
JP2022156743A (ja) | 空気液化分離装置及び空気液化分離装置の待機方法 | |
CN109564061B (zh) | 用于通过低温分离空气以可变液体产量和功率使用来产生空气气体的方法和设备 | |
JP2004019987A (ja) | 深冷空気分離装置 | |
RU2741174C2 (ru) | Способ получения воздушных газов путем криогенного разделения воздуха | |
CN111981760B (zh) | 一种低温空分装置的加温解冻方法 | |
JP7436980B2 (ja) | 液化装置 | |
KR101596124B1 (ko) | 순아르곤 컬럼의 효율 증대 시스템 | |
KR20190067388A (ko) | 공기분리설비 | |
JP4417142B2 (ja) | 空気分離方法およびそれに用いる装置 | |
CN110608583B (zh) | 一种压力控制方法及装置 | |
AU2017341387B2 (en) | System for treating and cooling a hydrocarbon stream | |
JP2018004091A (ja) | 空気液化分離方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20171106 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20180927 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20181002 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20181015 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 6428429 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |