CN2329665Y - Airlift fermentation tank with pipe heat exchanger - Google Patents
Airlift fermentation tank with pipe heat exchanger Download PDFInfo
- Publication number
- CN2329665Y CN2329665Y CN 98201671 CN98201671U CN2329665Y CN 2329665 Y CN2329665 Y CN 2329665Y CN 98201671 CN98201671 CN 98201671 CN 98201671 U CN98201671 U CN 98201671U CN 2329665 Y CN2329665 Y CN 2329665Y
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- pipe
- type heat
- winding tube
- interior 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.)
- Expired - Fee Related
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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
- C12M27/18—Flow directing inserts
- C12M27/20—Baffles; Ribs; Ribbons; Auger vanes
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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
- 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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- 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
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
- C12M41/22—Heat exchange systems, e.g. heat jackets or outer envelopes in contact with the bioreactor walls
Abstract
The utility model relates to fermentation equipment, particularly to an air lifting type fermentation tank with a winding pipe type heat exchanger. The utility model is mainly characterized in that the winding pipe type heat exchanger is arranged in the air lifting type fermentation tank and is an upwards spiral heat exchanging winding pipe coil with a small diameter; simultaneously, a static mixer is arranged in an inner pipe and is used as a baffling element; the inner pipe and an outer pipe can be provided with jacketed type heat exchangers. The utility model has the advantages of saved investment, easy manufacture, difficult contamination generation, saved cooling water, saved sterile air dosage, uniform fluid mix, good heat exchanging effect, wide applicable fermentation range, etc. The utility model is suitable for the reconstruction of the existing stirring type fermentation tank and the reconstruction of the existing air lifting type fermentation tank.
Description
The utility model belongs to fermentation equipment, particularly has the airlift fermentor of winding tube type heat exchanger.
Fermentor tank is the nucleus equipment in the fermentation industry, for a long time, though fermentor tank has been carried out many-sided improvement, but because fermentor tank mostly is mechanical agitation type, its inherent feature, determined that their ubiquity energy consumption height, investment are big, processed complex, maintenance difficult, easily dye assorted bacterium, noise is high and be difficult to realize shortcoming such as equipment large; Airlift fermentor does not have mechanical whipping appts, so equipment is realized large easily, but still has problems such as oxygen supply, heat radiation and operation difficulty in oxygen consumption intensive high-density thalline and fermentation process with high viscosity.The texture improvement of existing airlift fermentor, as CN1056895A, CN2078322U, CN98100073.8, they have solved some defectives of some fermentor tank in actual production process, but also have some problems more or less.
The purpose of this utility model is further to solve the problem of some fermentor tanks existence at present, particularly when the airlift fermentation tank volume is very big, the heat interchanging area of its jacket type heat exchange device is limited, or when the fermentation peak, because temperature of cooling water and envrionment temperature are higher, existing fermentor tank is problem such as heat exchange and oxygen supply cost-effectively usually.
The purpose of this utility model is achieved in that
Airlift fermentor, comprise the inlet mouth, air outlet, opening for feed, the discharge port that have on upper cover, lower cover, gas distributor, interior pipe, outer tube and the end socket, it is characterized in that being equipped with in the fermentor tank winding tube type heat exchanger, the ratio of the height of outer tube and internal diameter is between 2.5-25, the ratio of interior pipe height and outer tube diameter is between 1-20, and the ratio of the annular space area between the cross-sectional area of interior pipe and interior pipe and the outer tube is between 0.3-9.The heat transfer tube of described winding tube type heat exchanger is that spiralling minor diameter twines coil pipe, and its diameter is a 0.01-0.1 rice, and the number of plies of winding tube is the 1-8 layer; The β angle that described spiralling minor diameter twines coil pipe is 3 °-30 °; The spacing t of described adjacent each layer winding tube and the diameter ratio of winding tube are between 1.2-9; The rotation direction of adjacent each layer is in the same way or oppositely; The ratio of the height h of each layer coil pipe of described winding tube type heat exchanger and the height of outer tube is between 0.2-1, and the ratio of the internal diameter of width between centers d and outer tube is between 0.1-0.95; The winding-type interchanger of installing in the described fermentor tank, in the annular space in being mounted between pipe and the outer tube, or in the interior pipe, or be installed in simultaneously in this annular space and the interior pipe; Guan Zhongke has frictionally or welding process convection cell continuous or that interruption is installed to disperse and the blended deflection element in described; Can distinguish on pipe or the outer tube in described or jacketed pipe heat exchanger is installed simultaneously; When pipe was equipped with deflection element as riser tube and inside in described, the winding tube type heat exchanger in the interior pipe was installed in the top of deflection element; The top of pipe pipe in deflection element is installed in during as downtake in described is or/and top, the below of annular space between pipe and the outer tube in gas distributor is installed in.
The winding-type interchanger of the utility model fermentor tank, in the annular space in being mounted between pipe and the outer tube, or in the interior pipe, or be installed in simultaneously in this annular space and the interior pipe; It is to fix with connecting of outer tube or interior pipe by the two ends of interchanger and intermediary supporting plate.
The utility model is to utilize spiralling minor diameter heat transfer tube to increase exchange capability of heat, being about to the winding tube type heat exchanger uses in the airlift fermentor, Gu to gas--liquid--heterogeneous fluid mixes and dispersion effect is good static mixing element also can be installed simultaneously as deflection element in interior pipe, strengthen biography oxygen and heat transfer process with it.The shape of deflection element can be multiple geometrical shape, and combination in use is also unrestricted.
Can also be provided with jacketed pipe heat exchanger on the interior pipe of the utility model fermentor tank and the outer tube, spiral rising shape flow deflector or round steel can be housed in the chuck, chuck also can be to be become by the spiral rising semi-circle tubular that is welded on the outer wall.The outer wall of chuck is connected to water inlet pipe and rising pipe.
The interior pipe of the utility model fermentor tank is generally as riser tube, and the annular space between interior pipe and the outer tube is as downtake.But also can use conversely, this moment, gas distributor should be positioned on the bottom or the top of annular space between interior pipe and the outer tube, and deflection element can be positioned on the top or the top of interior pipe.
The winding tube type heat exchanger of the utility model fermentor tank inside generally is in the annular space that is contained between interior pipe and the outer tube, also can be contained in interior pipe; It can directly be welded on the tube wall of interior pipe or outer tube by supporting plate, or passes through the fixedly stand type support of winding tube earlier, links by supporting plate and tube wall again.To single fermentor tank, its inner winding tube diameter is generally all identical.Winding angle is that spiral ascending angle β is 3 °-30 °, and the number of plies of winding tube is the 1-8 layer, and the rotation direction of adjacent each layer winding tube is generally oppositely, also can be in the same way, and the spacing t of adjacent each layer winding tube and winding tube diameter ratio are 1.2-9.
The interior pipe of the utility model fermentor tank will generally be equipped with static mixing element as deflection element, and they can be installed continuously, also can be interrupted installation, can also alternately install by difform hybrid element.Commonly used have Kenics or Sulzer static mixing element and their modification.The Kenics static mixing element is to reverse 90 °-360 ° flight, and these flights are arranged for 90 °-180 ° interlaced with each other.When the flight diameter is not easy to process more greatly, can adopt their modification.The Sulzer static mixing element has multiple.The SMV type is formed by alternately arranging the inclined corrugated plate that overlaps.For reducing fluid resistance and increasing the blending dispersion effect, can also be drilled with the hole of 0.02-0.05 rice on these inclined corrugated plates, percentage of open area is 0.1-0.5.The SMX type is made up of the oblique strap of ordered arrangement, and for reducing fluid resistance and increasing the blending dispersion effect, these can also be drilled with the hole of 0.005-0.1 rice above oblique strap, and percentage of open area is 0.05-0.5.
The utility model combines the advantage of air lift type and stirred-tank fermenter.Many spiralling minor diameter winding tube exchange capability of heat that can be multiplied can economical and effective and in time fermentor tank is cooled off or heat, and they can also increase the local microcirculation of fermented liquid.If the winding tube type heat exchanger is contained in interior pipe, it can also play the effect of deflection element simultaneously.Deflection element in the interior pipe can make that fluid is constantly cut apart, break-in and mixing, makes the radially uniform and strengthening transfer process of physical properties of fluids.These features of the present utility model are suitable for requiring heat exchange intensive or full-bodied fermenting process especially.It has reduced investment, handling ease, easy to maintenance, be difficult for microbiological contamination, save water coolant and sterile air consumption, fluid mix, advantages such as heat transfer and mass transfer effect are good and applied widely also are applicable to the improvement to existing stirred-tank fermenter and airlift fermentor.
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is the synoptic diagram that the utility model has two-layer winding tube;
Fig. 2 be among Fig. 1 A-A to the synoptic diagram of sectional view;
Fig. 3 is the sectional view that is drilled with the deflection element B-B cross section of aperture among Fig. 1 on the lath in the interior pipe.
Fermentor tank as shown in Figure 1 comprises lower cover 1, gas distributor 2, internal layer winding tube 3, deflection element 4, interior pipe 5, outer winding tube 6, the jacketed pipe heat exchanger 7 that outer tube is provided with, outer tube 8, upper cover 9, air outlet 10, the water outlet 11 and the water-in 15 of outer winding tube, the water outlet 12 of internal layer winding tube and water-in 16, the water outlet 13 of jacketed pipe heat exchanger and water-in 14, inlet mouth 17 and discharge port 18, deflection element boundary line 19.
There is not jacketed pipe heat exchanger on the interior pipe 5 among Fig. 1, but be equipped with on the lath in the bottom of interior pipe and be drilled with the static mixing element of aperture as deflection element, make fluid constantly by baffling promptly cut apart, break-in mixes again, also bubble further can be pulverized and the control bubble at the uphill process coalescence.Outer tube 8 is provided with jacketed pipe heat exchanger 7, makes the further rigidity that improves and increase outer tube of heat exchange property of fermentor tank.
Fig. 2 is the synoptic diagram of A-A to sectional view.The relative position of representing each layer winding tube and interior pipe and outer tube.Generalized case, they all are to install with one heart, and the caliber of winding tube all gets same specification, if be equipped with the winding tube type heat exchanger in the interior pipe, generalized case also is like this.
What Fig. 3 represented is that this deflection element is the modification of SMV type static mixer along the section of the deflection element 4 on the plane B-B of lath 4-1 ' place, all has 1 row's aperture on every lath on this plane.The intersection of B-B plane and interior pipe is an ellipse.The plane at lath 4-3 ' place and the intersection of interior pipe also are ellipses.These two ellipses are identical.The diameter of pipe in the minor axis of these two ellipses equals.These two long axis of ellipse equal the merchant of diameter of inner pipe divided by Sin α.A-a lines among Fig. 3 are promptly represented the intersection position of these two ellipses.After these two ellipses intersected, their minor axis overlapped, and the O point among Fig. 1 on the interior tubular axis line promptly is a projection of the intersection of these two ellipses.If the lath on the plane, lath 4-3 ' place is rotated on the represented B-B plane of Fig. 3, then the space of the ellipse of just in time lath on the B-B plane being formed is full of, and the result can form a complete ellipse of being made up of lath fully.Lath (basically) on lath on the plane, lath 4-2 ' place and the plane, lath 4-4 ' place is respectively the left side or the right-hand part of the lath on this Plane of rotation.In like manner the lath (basically) on lath on the plane, lath 4-5 ' place and the plane, lath 4-6 ' place is respectively the left side or the right-hand part of B-B plane top bars.Promptly form the lath on 6 planes of deflection element of the present invention, if intersect with interior pipe, 6 ellipses that ellipse is same size that determine by tangent point of contact of lath on each plane and inner tubal wall face or tangent line then.
Lath 4-2 ' place planar lath, lath 4-3 ' place planar lath and lath 4-4 ' place planar lath are parallel to each other and intersect with the plane B-B at lath 4-1 ' place, when α=45 ° and be quadrature.In like manner, lath 4-1 ' place planar lath, lath 4-5 ' place planar lath and lath 4-6 ' place planar lath be parallel to each other and with the Plane intersects at lath 4-3 ' place, when α=45 ° and be quadrature.
From Fig. 1, be 1 prismatic by the lath on the plane, lath 4-4 ' place on the lath on lath on the plane, lath 4-2 ' place and the plane, adjacent slat 4-5 ' place and their opposites and the projection of the lath on the plane, lath 4-6 ' place.This prismatic has two summits to intersect with interior tubular axis line respectively.A among Fig. 1 on the tubular axis line and b point promptly are these two intersection points of this prismatic of expression.4 corner angle of this prismatic all are 90 ° when α=45 °.
The employing fermentor cultivation Tribactur that has two-layer (or two) winding tube as shown in Figure 1 is to produce biological pesticide.Its nominal volume 20m
3, outer tube diameter 2m, height 7m, coefficient 0.65, ventilating ratio are 0.7 (V.V.m), and interior pipe height is 3m, and the ratio of the annular space area between the cross-sectional area of interior pipe and interior pipe and the outer tube is 1: 1; Above-mentioned deflection element 4 is formed by many orderly combined crosswise of lath that are provided with row's aperture above very narrow; The lath width is 0.06m, and the aperture is 0.02m, and percentage of open area is 0.15, and the axial angle α of lath and fermentor tank is 45 °; The length of deflection element (highly) is 1 with the ratio of the internal diameter of interior pipe, the fixedly employing welding between the lath; The fixedly employing two ends spot welding mode of deflection element is to reinforce itself and the connecting of interior pipe.
The winding tube of this fermentor tank is double-deck, in the annular space in all being positioned between pipe and the outer tube.The nominal diameter of heat transfer tube is 0.05m, and spiral ascending angle β is 8 °; The height h of internal layer winding tube is 4m, and the width between centers d of coil pipe is 1.6m; The height h of outer winding tube is 4.8m, and the width between centers d of coil pipe is 1.8m.Be that the spacing t of this two-layer winding tube and the diameter ratio of heat transfer tube are 2.
With the nominal volume 20m that cultivates the Su Yun gold born of the same parents of Soviet Union bacillus
3The result who has churned mechanically fermentor cultivation Tribactur compare, the two is almost completely identical.Because the two processing condition is also identical, but the utility model does not have mechanical stirring device and inside that the winding tube type heat exchanger is housed, save 35 kilowatts power of agitator fully and increased heat interchanging area again, so the fermentation energy consumption has descended about 40% and save water coolant about 35%, significantly reduced fermentation costs, reduced investment, easy and simple to handle and need repairing hardly.When the temperature of summer environment and water coolant is higher, can easier control leavening temperature in optimum scope especially, making at this moment, quality product is significantly increased.
Claims (10)
1. airlift fermentor that has the winding tube type heat exchanger, comprise the inlet mouth, air outlet, opening for feed, the discharge port that have on upper cover, lower cover, gas distributor, interior pipe, outer tube and the end socket, it is characterized in that being equipped with in the fermentor tank winding tube type heat exchanger, the ratio of the height of outer tube and internal diameter is between 2.5-25, the ratio of interior pipe height and outer tube diameter is between 1-20, and the ratio of the annular space area between the cross-sectional area of interior pipe and interior pipe and the outer tube is between 0.3-9.
2. a kind of airlift fermentor that has the winding tube type heat exchanger as claimed in claim 1, the heat transfer tube that it is characterized in that described winding tube type heat exchanger is that spiralling minor diameter twines coil pipe, its diameter is a 0.01-0.1 rice, and the number of plies of winding tube is the 1-8 layer.
3. a kind of airlift fermentor that has the winding tube type heat exchanger as claimed in claim 2 is characterized in that the β angle that described spiralling minor diameter twines coil pipe is 3 °-30 °.
4. a kind of airlift fermentor that has the winding tube type heat exchanger as claimed in claim 2, the diameter ratio that it is characterized in that the spacing t of described adjacent each layer winding tube and winding tube is between 1.2-9; The rotation direction of adjacent each layer is in the same way or oppositely.
5. a kind of airlift fermentor that has the winding tube type heat exchanger as claimed in claim 1, the ratio of height that it is characterized in that the height h of each layer coil pipe of described winding tube type heat exchanger and outer tube is between 0.2-1, and the ratio of the internal diameter of width between centers d and outer tube is between 0.1-0.95.
6. a kind of airlift fermentor that has the winding tube type heat exchanger as claimed in claim 1, it is characterized in that the winding-type interchanger installed in the described fermentor tank, in the annular space in being mounted between pipe and the outer tube, or in the interior pipe, or be installed in simultaneously in this annular space and the interior pipe.
7. a kind of airlift fermentor that has the winding tube type heat exchanger as claimed in claim 1 is characterized in that having in the described interior pipe frictionally or welding process is continuous or interruption installation convection cell disperses and the blended deflection element.
8. a kind of airlift fermentor that has the winding tube type heat exchanger as claimed in claim 1 is characterized in that on described interior pipe or the outer tube jacketed pipe heat exchanger being installed respectively or simultaneously.
9. a kind of airlift fermentor that has the winding tube type heat exchanger as claimed in claim 1, it is characterized in that described in pipe when deflection element being installed as riser tube and inside, the winding tube type heat exchanger in the interior pipe is installed in the top of deflection element.
10. a kind of airlift fermentor that has the winding tube type heat exchanger as claimed in claim 1, it is characterized in that described in the top of pipe pipe in deflection element is installed in during as downtake or/and top, the below of annular space between pipe and the outer tube in gas distributor is installed in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98201671 CN2329665Y (en) | 1998-03-05 | 1998-03-05 | Airlift fermentation tank with pipe heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98201671 CN2329665Y (en) | 1998-03-05 | 1998-03-05 | Airlift fermentation tank with pipe heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2329665Y true CN2329665Y (en) | 1999-07-21 |
Family
ID=33958890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98201671 Expired - Fee Related CN2329665Y (en) | 1998-03-05 | 1998-03-05 | Airlift fermentation tank with pipe heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2329665Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006122498A1 (en) * | 2005-05-20 | 2006-11-23 | Tsinghua University | Airlift circumfluent reactor needing no foreign air source |
| CN101857834A (en) * | 2010-06-12 | 2010-10-13 | 张吉浩 | Spiral coil with small turning diameter in large fermentation tank |
| CN102915046A (en) * | 2005-10-21 | 2013-02-06 | 隆萨股份公司 | Mass flow rate control system |
| CN105199908A (en) * | 2015-10-27 | 2015-12-30 | 高州市和友酒业有限公司 | Fermentation tank for white liquor production |
| CN105950447A (en) * | 2016-05-23 | 2016-09-21 | 嘉兴职业技术学院 | Biogas slurry treatment device |
| CN108165484A (en) * | 2017-11-13 | 2018-06-15 | 陈城 | A kind of efficient ferment apparatus |
-
1998
- 1998-03-05 CN CN 98201671 patent/CN2329665Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006122498A1 (en) * | 2005-05-20 | 2006-11-23 | Tsinghua University | Airlift circumfluent reactor needing no foreign air source |
| AU2006246862B2 (en) * | 2005-05-20 | 2011-04-21 | Tsinghua University | Airlift circumfluent reactor needing no foreign air source |
| CN102915046A (en) * | 2005-10-21 | 2013-02-06 | 隆萨股份公司 | Mass flow rate control system |
| CN102915046B (en) * | 2005-10-21 | 2016-04-20 | 隆萨股份公司 | Mass flow rate control system |
| CN101857834A (en) * | 2010-06-12 | 2010-10-13 | 张吉浩 | Spiral coil with small turning diameter in large fermentation tank |
| CN105199908A (en) * | 2015-10-27 | 2015-12-30 | 高州市和友酒业有限公司 | Fermentation tank for white liquor production |
| CN105950447A (en) * | 2016-05-23 | 2016-09-21 | 嘉兴职业技术学院 | Biogas slurry treatment device |
| CN105950447B (en) * | 2016-05-23 | 2018-10-02 | 嘉兴职业技术学院 | A kind of biogas slurry treatment device |
| CN108165484A (en) * | 2017-11-13 | 2018-06-15 | 陈城 | A kind of efficient ferment apparatus |
| CN108165484B (en) * | 2017-11-13 | 2022-01-07 | 辽宁帝华味精食品有限公司 | High-efficient fermenting installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |