JP6776271B2 - 圧力制御バルブ及び超臨界流体クロマトグラフ - Google Patents
圧力制御バルブ及び超臨界流体クロマトグラフ Download PDFInfo
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- JP6776271B2 JP6776271B2 JP2017563449A JP2017563449A JP6776271B2 JP 6776271 B2 JP6776271 B2 JP 6776271B2 JP 2017563449 A JP2017563449 A JP 2017563449A JP 2017563449 A JP2017563449 A JP 2017563449A JP 6776271 B2 JP6776271 B2 JP 6776271B2
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- 239000012530 fluid Substances 0.000 title claims description 23
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 32
- 238000004458 analytical method Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 18
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 15
- 239000001569 carbon dioxide Substances 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 13
- 238000005121 nitriding Methods 0.000 claims description 12
- 239000003607 modifier Substances 0.000 claims description 7
- 239000011259 mixed solution Substances 0.000 claims description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 24
- 239000011248 coating agent Substances 0.000 description 13
- 238000000576 coating method Methods 0.000 description 13
- 230000003628 erosive effect Effects 0.000 description 10
- 238000007789 sealing Methods 0.000 description 9
- 230000002093 peripheral effect Effects 0.000 description 7
- 238000004808 supercritical fluid chromatography Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000004696 Poly ether ether ketone Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 229920002530 polyetherether ketone Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 235000011089 carbon dioxide Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 241000981308 Pionites Species 0.000 description 1
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- -1 polybutylene terephthalate Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010206 sensitivity analysis Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K25/00—Details relating to contact between valve members and seats
- F16K25/005—Particular materials for seats or closure elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
- B01D15/40—Selective adsorption, e.g. chromatography characterised by the separation mechanism using supercritical fluid as mobile phase or eluent
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
- F16K7/14—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat
- F16K7/16—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being mechanically actuated, e.g. by screw-spindle or cam
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/16—Injection
- G01N30/20—Injection using a sampling valve
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/28—Control of physical parameters of the fluid carrier
- G01N30/32—Control of physical parameters of the fluid carrier of pressure or speed
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- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Details Of Valves (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Lift Valve (AREA)
Description
ここで、「硬質材料」とは、例えばSUS316L等、超臨界流体クロマトグラフの圧力制御バルブの母材として用いられる耐衝撃性及び耐摩耗性の優れた材料をいう。
4 メタノール送液流路
6,10 ポンプ
8 二酸化炭素
12 メタノール(モディファイア)
14 ミキサ
16 分析流路
18 試料注入部
20 分離カラム
22 検出器
24 圧力制御バルブ
30 圧力制御ブロック
32 掘込穴
34 圧力制御面
35 DLC膜
36a,36b 配管接続部
38a,38b 内部流路
40a,40b 配管
42a,42b 固定部材
44 弁体
46,46a 封止部材
48 押し棒
56 アクチュエータ
Claims (3)
- 1つの外面に設けられた開口部、前記開口部の底部に平面として設けられた圧力制御面、及び前記圧力制御面にそれぞれの端部の開口をもつ2本の内部流路を有する圧力制御ブロックと、
弾性を有し前記圧力制御面を覆うように配置されたシート状の弁体であって、移動相の圧力によって前記圧力制御面と前記弁体との間に隙間が生じ前記隙間を移動相が流れる弁体と、
前記弁体を挟んで前記圧力制御面とは反対側で前記圧力制御面に対して垂直な方向に駆動されるように設けられ、前記弁体を前記圧力制御面に対して垂直に駆動することによって前記弁体と前記圧力制御面との間の隙間量を調節する弁体駆動部と、を備え、
前記圧力制御面は耐衝撃性及び耐摩耗性を有する硬質材料よりも高い硬度を有することで二酸化炭素のキャビテーションに対する耐性を有する材質により構成され、
前記圧力制御面はDLC膜により覆われていることによりHV2000以上の硬度を有する、又は、前記圧力制御面に低温窒化処理が施されることにより前記圧力制御面がHV1000以上の硬度を有する、超臨界流体用圧力制御バルブ。 - 前記圧力制御バルブは、モディファイアと液体二酸化炭素の混合液を移動相として送液する流路に、前記流路内の圧力を前記移動相が超臨界状態となる圧力に制御するために設けられるものである請求項1に記載の超臨界流体用圧力制御バルブ。
- 分析流路と、
前記分析流路に移動相を送液する移動相送液部と、
前記分析流路中に試料を導入する試料導入部と、
前記分析流路上で前記試料導入部よりも下流側に配置された分離カラムと、
前記分析流路上で前記分離カラムよりも下流側に配置され、前記分離カラムで分離された試料成分を検出する検出器と、
前記分析流路上で前記検出器よりも下流側に配置され、前記分析流路内の圧力を前記移動相が超臨界状態となる圧力に制御する請求項1または2に記載の超臨界流体用圧力制御バルブと、を備えた超臨界流体クロマトグラフ。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2016/052304 WO2017130316A1 (ja) | 2016-01-27 | 2016-01-27 | 圧力制御バルブ及び超臨界流体クロマトグラフ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017130316A1 JPWO2017130316A1 (ja) | 2018-08-30 |
JP6776271B2 true JP6776271B2 (ja) | 2020-10-28 |
Family
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JP2017563449A Active JP6776271B2 (ja) | 2016-01-27 | 2016-01-27 | 圧力制御バルブ及び超臨界流体クロマトグラフ |
Country Status (4)
Country | Link |
---|---|
US (1) | US10648585B2 (ja) |
JP (1) | JP6776271B2 (ja) |
CN (1) | CN108496034A (ja) |
WO (1) | WO2017130316A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7243824B2 (ja) * | 2019-06-11 | 2023-03-22 | 株式会社島津製作所 | 背圧制御弁 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4070004A (en) * | 1976-03-01 | 1978-01-24 | Waters Associates, Inc. | Diaphragm valve |
US4558845A (en) * | 1982-09-22 | 1985-12-17 | Hunkapiller Michael W | Zero dead volume valve |
EP0256161B1 (de) * | 1986-08-19 | 1990-07-25 | Hewlett-Packard GmbH | Mischventil |
JPS63115970A (ja) * | 1986-10-31 | 1988-05-20 | Motoyama Seisakusho:Kk | ダイヤフラム弁 |
US5112027A (en) * | 1989-06-21 | 1992-05-12 | Benkan Corporation | Metal diaphragm valve |
US5105843A (en) * | 1991-03-28 | 1992-04-21 | Union Carbide Chemicals & Plastics Technology Corporation | Isocentric low turbulence injector |
US5413311A (en) * | 1994-03-01 | 1995-05-09 | Tescom Corporation | Gas valve |
US5755428A (en) * | 1995-12-19 | 1998-05-26 | Veriflow Corporation | Valve having metal-to metal dynamic seating for controlling the flow of gas for making semiconductors |
JP3217696B2 (ja) | 1996-04-26 | 2001-10-09 | 京セラ株式会社 | ディスクバルブ |
US5730423A (en) * | 1996-10-16 | 1998-03-24 | Parker-Hannifin Corporation | All metal diaphragm valve |
US6712081B1 (en) * | 1999-08-31 | 2004-03-30 | Kobe Steel, Ltd. | Pressure processing device |
JP4418571B2 (ja) * | 2000-04-11 | 2010-02-17 | シーケーディ株式会社 | 高温対応ガス制御バルブ |
US7163197B2 (en) * | 2000-09-26 | 2007-01-16 | Shimadzu Corporation | Liquid substance supply device for vaporizing system, vaporizer, and vaporization performance appraisal method |
JP4133209B2 (ja) * | 2002-10-22 | 2008-08-13 | 株式会社神戸製鋼所 | 高圧処理装置 |
DE602004026334D1 (de) * | 2003-10-17 | 2010-05-12 | Sundew Technologies Llc | Ausfallsicheres, pneumatisch betätigtes ventil |
US9163618B2 (en) * | 2008-06-24 | 2015-10-20 | Agilent Technologies, Inc. | Automated conversion between SFC and HPLC |
US10428967B2 (en) | 2011-04-25 | 2019-10-01 | Waters Technologies Corporation | Valves having protective coatings |
WO2013088487A1 (ja) * | 2011-12-12 | 2013-06-20 | 株式会社島津製作所 | 送液ポンプ及び液体クロマトグラフ |
EP3043096B1 (en) | 2013-09-02 | 2019-09-25 | Shimadzu Corporation | Pressure control valve and supercritical fluid chromatograph |
-
2016
- 2016-01-27 JP JP2017563449A patent/JP6776271B2/ja active Active
- 2016-01-27 US US16/072,921 patent/US10648585B2/en active Active
- 2016-01-27 CN CN201680080009.5A patent/CN108496034A/zh active Pending
- 2016-01-27 WO PCT/JP2016/052304 patent/WO2017130316A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US10648585B2 (en) | 2020-05-12 |
WO2017130316A1 (ja) | 2017-08-03 |
JPWO2017130316A1 (ja) | 2018-08-30 |
CN108496034A (zh) | 2018-09-04 |
US20190078697A1 (en) | 2019-03-14 |
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