CN100358996C - 半气升式射流供气发酵节能装置 - Google Patents

半气升式射流供气发酵节能装置 Download PDF

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CN100358996C
CN100358996C CNB2006100383324A CN200610038332A CN100358996C CN 100358996 C CN100358996 C CN 100358996C CN B2006100383324 A CNB2006100383324 A CN B2006100383324A CN 200610038332 A CN200610038332 A CN 200610038332A CN 100358996 C CN100358996 C CN 100358996C
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fermentation
mixing tube
air
semi
fermentor tank
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CN1844347A (zh
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张肃净
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Jiangsu Dc Biotechnology Co ltd
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NANTONG SHENGNUOXIN BIOTECHNOLOGY CO Ltd
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    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
    • C12M27/02—Stirrer or mobile mixing elements
    • C12M27/04—Stirrer or mobile mixing elements with introduction of gas through the stirrer or mixing element
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
    • C12M29/06—Nozzles; Sprayers; Spargers; Diffusers
    • C12M29/08—Air lift

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Abstract

本发明公开了一种半气升式射流供气发酵节能装置，有发酵罐，发酵罐中装导流筒，导流筒中装搅拌浆叶，在发酵罐中、导流筒的下方设置混合管，混合管与射流供气装置相通，混合管有与发酵罐相通的发酵液进口。本发明结构合理，搅拌效果好，发酵效果好。

Description

半气升式射流供气发酵节能装置
技术领域：
本发明涉及一种长链二元酸生物发酵工序中的发酵装置。
背景技术：
长链二元酸是利用生物及发酵技术，把炼油工程中200#轻蜡油作为生产原料生产出的精细化工产品。该产品生物发酵工序，由于原料含油量高、粘度高，均采用机械搅拌发酵罐，用直接空气导入方式。机械搅拌动力消耗高，以30m3发酵罐为例，其装机容量达45KW，使能耗在成本中的占比达30％以上，且机械搅拌还留有死角，影响发酵水平，噪声也大。
发明内容：
本发明的目的在于提供一种结构合理，搅拌效果好，节能，发酵效果好的半气升式射流供气发酵节能装置。
本发明的技术解决方案是：
一种半气升式射流供气发酵节能装置，有发酵罐，其特征是：发酵罐中装导流筒，导流筒中装搅拌浆叶，在发酵罐中、导流筒的下方设置混合管，混合管与射流供气装置相通，混合管有与发酵罐相通的发酵液进口。
导流筒位于发酵罐中的下部，混合管位于发酵罐的底部区域。
本发明结构合理，搅拌效果好，发酵效果好。节能效果明显：安装在发酵罐底部的射流供气装置，压缩空气以高速射入混合管，与此同时，整个发酵罐内的发酵液被高速流动的空气因负压吸入，一并进入混合管，使空气呈细小气泡与发酵液混合，呈近乳化状态后进入导流筒内，这样有利于等量气体条件下溶氧的增加，即在不增加能源消耗条件下，无需依靠机械搅拌打碎气泡，使气泡细化增加溶氧，起到节能作用，动力消耗明显降低，以30m3发酵罐为例，运用本发明后，装机容量只需18KW，节能明显。提高了发酵水平：本发明能充分满足发酵罐内溶氧、传质、传热的要求，有利于菌体的生长，尤其是对菌丝体的保护，使发酵水平由140g/L提高到186g/L。缩短了发酵周期，使长链二元酸发酵周期由172小时缩短为143小时。降低了噪音，噪音低于5分贝。导流筒使射流供气形成有序循环，消除了固体物和沉淀，工作时可使整个发酵罐液体形成循环时间相当短的循环流，从而使整个发酵液体混合较为均匀。
附图说明：
下面结合附图和实施例对本发明作进一步说明。
附图是本发明一个实施例的结构示图。
具体实施方式：
一种半气升式射流供气发酵节能装置，有发酵罐1，发酵罐1的下部装导流筒2，导流筒2中装搅拌浆叶3，在发酵罐1中、导流筒2的下方(即在发酵罐的底部区域)设置混合管4，混合管4与射流供气管5相通，混合管4有与发酵罐1相通的发酵液进口6。

Claims (1)

1、一种半气升式射流供气发酵节能装置，有发酵罐，其特征是：发酵罐中装导流筒，导流筒中装搅拌浆叶，在发酵罐中、导流筒的下方设置混合管，混合管与射流供气装置相通，混合管有与发酵罐相通的发酵液进口，导流筒位于发酵罐中的下部，混合管位于发酵罐的底部区域。
CNB2006100383324A 2006-02-14 2006-02-14 半气升式射流供气发酵节能装置 Expired - Fee Related CN100358996C (zh)

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* Cited by examiner, † Cited by third party
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WO2010135377A1 (en) 2009-05-20 2010-11-25 Xyleco, Inc. Bioprocessing
BRPI1013007A2 (pt) 2009-05-20 2015-09-22 Xyleco Inc processamento de biomassa
US8636402B2 (en) 2009-05-20 2014-01-28 Xyleco, Inc. Processing biomass
NO2526182T3 (zh) 2010-01-20 2017-12-30
US8691526B2 (en) 2010-01-20 2014-04-08 Xyleco, Inc. Processing materials
SI2675907T1 (en) 2011-02-14 2018-04-30 Xyleco, Inc. Processing of paper raw materials

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2334762Y (zh) * 1997-07-10 1999-08-25 潘建新 高溶氧发酵罐
CN2457164Y (zh) * 2000-12-14 2001-10-31 方民 一种节能发酵罐

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2334762Y (zh) * 1997-07-10 1999-08-25 潘建新 高溶氧发酵罐
CN2457164Y (zh) * 2000-12-14 2001-10-31 方民 一种节能发酵罐

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