JP5744436B2 - 濾過ケークの回収方法、およびケーク形成・洗浄濾過用装置 - Google Patents
濾過ケークの回収方法、およびケーク形成・洗浄濾過用装置 Download PDFInfo
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- JP5744436B2 JP5744436B2 JP2010177195A JP2010177195A JP5744436B2 JP 5744436 B2 JP5744436 B2 JP 5744436B2 JP 2010177195 A JP2010177195 A JP 2010177195A JP 2010177195 A JP2010177195 A JP 2010177195A JP 5744436 B2 JP5744436 B2 JP 5744436B2
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- Prior art keywords
- filter
- cake
- filter housing
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- slurry
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- 238000000034 method Methods 0.000 title claims description 50
- 238000004140 cleaning Methods 0.000 title claims description 41
- 238000001914 filtration Methods 0.000 title claims description 28
- 238000011084 recovery Methods 0.000 title 1
- 239000002002 slurry Substances 0.000 claims description 57
- 239000007788 liquid Substances 0.000 claims description 56
- 239000000706 filtrate Substances 0.000 claims description 22
- 239000012065 filter cake Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 229920002261 Corn starch Polymers 0.000 claims description 9
- 239000008120 corn starch Substances 0.000 claims description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims 1
- 238000011010 flushing procedure Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 description 12
- 239000012530 fluid Substances 0.000 description 9
- 239000002184 metal Substances 0.000 description 5
- 238000007605 air drying Methods 0.000 description 4
- 229920002472 Starch Polymers 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 235000019698 starch Nutrition 0.000 description 3
- 239000008107 starch Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000009285 membrane fouling Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/06—Tubular membrane modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/04—Supports for the filtering elements
- B01D2201/043—Filter tubes connected to plates
- B01D2201/0446—Filter tubes connected to plates suspended from plates at the upper side of the filter elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/12—Specific discharge elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/02—Forward flushing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/04—Backflushing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/18—Use of gases
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Treatment Of Sludge (AREA)
Description
該スラリーを、複数の垂直フィルター要素を含むフィルターハウジングに供給する工程;
該スラリーを、該フィルター要素に抗して該フィルターハウジングに圧入し、その結果として、
i)濾液が該フィルター要素を通過し、該フィルターハウジングの排出口の外に存在し;
ii)該フィルター要素上に固形ケークを形成する工程;
スラリー流出バルブを開けることによって該スラリーを流出させながら、洗浄液を該フィルターハウジング内に供給する工程;
該スラリー流出バルブを閉め、次いで該洗浄液を該ケークを通して該フィルターハウジングのフィルターチューブ中に連続的に供給する工程;
該洗浄液の供給を停止する工程;
気体を該フィルターハウジング内に導入し、下部流出バルブを開けることによって該洗浄液を流出させる工程;
該気体の流れを止め、該流出バルブを開けて該気体と残留洗浄液のほとんどを出させる工程;
該下部ケーク排出バルブを開ける工程;及び
気体でバックパルスし、該濾過ケークを砕いて該フィルターハウジングの該フィルター要素から取り除く工程
を含む、方法。
該フィルターハウジングは、上部分および下部分を有し;
該フィルターハウジングは、複数の垂直フィルター要素を含み;そして、
該フィルターハウジングの該下部分は、該フィルターハウジングの内径の少なくとも70%の内径を有するケーク排出バルブを含むフランジを有する、
ケーク濾過装置。
Claims (5)
- コーンスターチと水のスラリーを脱水及び洗浄して、当該コーンスターチと水とのスラリーから濾過ケークを形成する方法において、
前記コーンスターチと水のスラリーを、圧力下で、フィルターハウジングに供給し、ここで、当該フィルターハウジングは、均一な断面積を有し、そして複数の垂直フィルター要素を含み;
前記水を、前記垂直フィルター要素に、濾液として通過させ;
前記垂直フィルター要素上にコーンスターチのケークを形成し;
前記スラリーの供給を停止し;
前記フィルターハウジング中の残りのスラリー及び/又は濾液を、当該フィルターハウジングの流出口を通して流下させ;
前記フィルターハウジング中に洗浄液を供給し、当該洗浄液は前記ケークを通って、前記垂直フィルター要素の濾液空間に流れ、当該ケーク中の又は当該ケーク周辺の液体を当該フィルターハウジングの濾液収集ヘッダーに移し;
前記洗浄液の供給を停止し;
前記洗浄液を前記フィルターハウジングの排出口を通して流出させ;
前記フィルターハウジングに気体流を導入して、前記ケークから残留する洗浄液を出すことにより、当該ケークを乾燥し;
前記気体流を停止し、流下部を開放して気体及び残留する洗浄液の殆どを流出させ;
前記フィルターハウジングの底部に位置するケーク排出バルブを開放し、当該ケーク排出バルブは、前記フィルターハウジングの断面積と略同じ断面積を有する開口部を規定しており;
濾過の方向と逆方向に前記フィルター要素を通して気体をバックパルスすることにより、前記フィルターハウジングの前記フィルター要素からフィルターケークを砕きそして取り除き;そして
取り除かれたケークを前記排出バルブ中の前記開口部を通して排出させる;
工程を含んで成る方法。 - 前記洗浄液が、水、アセトン及びエタノールから成る群から選択される、請求項1に記載の方法。
- 前記ケーク排出バルブがバタフライバルブである、請求項1に記載の方法。
- 前記ケーク排出バルブがゲートバルブである、請求項1に記載の方法。
- 前記フィルターハウジングの排出部を通して洗浄液を流出させる工程が、空気プロセス連結部を通してフィルターハウジングに空気を導入して、スラリープロセス接続部により又は流出口を通してフィルターハウジングからスラリーを流下させることにより達成される、請求項1に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/537,947 | 2009-08-07 | ||
US12/537,947 US8309711B2 (en) | 2009-08-07 | 2009-08-07 | Filtration of corn starch followed by washing and collection of the resultant corn starch cake |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011036855A JP2011036855A (ja) | 2011-02-24 |
JP5744436B2 true JP5744436B2 (ja) | 2015-07-08 |
Family
ID=43534036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010177195A Expired - Fee Related JP5744436B2 (ja) | 2009-08-07 | 2010-08-06 | 濾過ケークの回収方法、およびケーク形成・洗浄濾過用装置 |
Country Status (9)
Country | Link |
---|---|
US (1) | US8309711B2 (ja) |
EP (1) | EP2311540A1 (ja) |
JP (1) | JP5744436B2 (ja) |
CN (1) | CN101991981A (ja) |
AU (1) | AU2010203089B2 (ja) |
BR (1) | BRPI1010346A2 (ja) |
CA (1) | CA2711336C (ja) |
MX (1) | MX2010008387A (ja) |
RU (1) | RU2010133172A (ja) |
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-
2009
- 2009-08-07 US US12/537,947 patent/US8309711B2/en not_active Expired - Fee Related
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2010
- 2010-07-20 AU AU2010203089A patent/AU2010203089B2/en not_active Ceased
- 2010-07-27 EP EP10170862A patent/EP2311540A1/en not_active Ceased
- 2010-07-27 CA CA2711336A patent/CA2711336C/en not_active Expired - Fee Related
- 2010-07-29 MX MX2010008387A patent/MX2010008387A/es active IP Right Grant
- 2010-08-06 JP JP2010177195A patent/JP5744436B2/ja not_active Expired - Fee Related
- 2010-08-06 CN CN201010249252XA patent/CN101991981A/zh active Pending
- 2010-08-06 RU RU2010133172/05A patent/RU2010133172A/ru not_active Application Discontinuation
- 2010-08-06 BR BRPI1010346-5A patent/BRPI1010346A2/pt not_active Application Discontinuation
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Publication number | Publication date |
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RU2010133172A (ru) | 2012-02-20 |
CA2711336A1 (en) | 2011-02-07 |
CN101991981A (zh) | 2011-03-30 |
MX2010008387A (es) | 2011-02-11 |
JP2011036855A (ja) | 2011-02-24 |
BRPI1010346A2 (pt) | 2012-12-18 |
CA2711336C (en) | 2017-09-19 |
EP2311540A1 (en) | 2011-04-20 |
US8309711B2 (en) | 2012-11-13 |
US20110031192A1 (en) | 2011-02-10 |
AU2010203089A1 (en) | 2011-02-24 |
AU2010203089B2 (en) | 2014-08-14 |
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