CN203700349U - Biological fermentation equipment - Google Patents
Biological fermentation equipment Download PDFInfo
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- CN203700349U CN203700349U CN201420031305.4U CN201420031305U CN203700349U CN 203700349 U CN203700349 U CN 203700349U CN 201420031305 U CN201420031305 U CN 201420031305U CN 203700349 U CN203700349 U CN 203700349U
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- housing
- biological fermentation
- fermentation equipment
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Abstract
The utility model provides biological fermentation equipment, belongs to the technical field of biological fermentation, and solves the problems that conventional biological fermentation equipment is poor in mixing effect and low in mass transfer performance. The biological fermentation equipment comprises a fermentation tank and an outer circulation cooling pipeline; the fermentation tank comprises a cylindrical housing; a mixing shaft is arranged in the housing; a motor used for driving the mixing shaft to rotate is arranged on the housing; a plurality of liquid suction pipes are fixedly connected onto side walls of the housing; a plurality of return pipes are fixedly connected on side walls at the lower end of the housing; one end of each liquid suction pipe and one end of each return pipe extend into the housing; the return pipes are arranged at intervals in the circumferential direction of the housing; material sprayed into the return pipes can swirl in the housing; the swirl direction of the material is the same as the rotating direction of the mixing shaft; the other ends of the liquid suction pipes and the other ends of the return pipes are communicated through the outer circulation cooling pipeline. The biological fermentation equipment has the advantages of good mixing effect, high mass transfer performance and the like.
Description
Technical field
The utility model belongs to technical field of biological fermentation, relates to a kind of biological fermentation equipment.
Background technology
Fermentation is early a kind of biochemical reactions of contact of the mankind, nowadays in foodstuffs industry, biological and chemical industry, is all widely used.Most biochemical reaction is all aerobic, therefore aerobic fermentation equipment is core and the basis of aerobic biochemical conversion unit.No matter be to use microorganism, matchmaker or animal and plant cells (or tissue) as biological catalyst, also no matter the product of its object is microbiotic, yeast, amino acid, organic acid or enzyme, that required biological fermentation equipment all should have is vertebration, antiforeign bacteria pollutes, cultivate flow with good mixing, simple in structure, maintain easily maintenance and the feature such as energy consumption is low, even more important, biological fermentation equipment also should have good mass transfer and heat transfer property.
Fermentor tank is the core of biological fermentation equipment, and at present, conventional fermentor tank has mechanical agitation type, airlift loop, bubbling style and self-priming etc., and wherein mechanical agitation type fermentor tank is always in occupation of dominant position.As Chinese patent literature discloses a kind of mechanical agitation type circulation combined fermentation reactor [application number: 200920078689.4], comprise retort and interchanger, described interchanger is arranged in retort, retort bottom is provided with products export, retort bottom is feed end, gap between retort and interchanger is charging reaction channel, interchanger open top is communicated with annulus, interchanger bottom opening is corresponding with products export, in heat exchanger cavity, be provided with propeller agitator, charging reaction channel and heat exchanger cavity form material inner cycle channel, described interchanger is made up of heat exchange element, heat exchange element comprises two heat exchanger plates, two heat exchanger plates surrounding sealings, between two heat exchanger plates, be welded to connect through multiple solder joints, space between adjacent two solder joints forms a passage, multiple passages coordinate formation cooling channel, on heat exchange element, be provided with the cooling fluid entrance and the cooling liquid outlet that are communicated with cooling channel.Flowing of this fermentation pot liquid relies on the stirring of agitator to realize completely, makes the agitator load of this fermentor tank larger, the work-ing life of having reduced to a certain extent agitator, even more important, only realize flowing of pot liquid by the stirring of agitator, its liquid-flow Reynolds number is not high, cause the heat transfer coefficient of heat exchange coil in pot liquid and tank not high, be unfavorable for the heat-transfer effect of heat exchange coil in tank, make the biological inoculum of this fermentor tank for golf calorific value, such as thermal value reaches more than 30 watts/liter, just cannot effectively complete heat transmission, or need very large heat interchanging area and a lot of heat exchange coils is set, increasing of heat exchange coil causes stirring space to reduce, its result must cause fermentor tank cannot complete good stirring and mixing effect, mass-transfer performance reduces, and reduce dissolved oxygen mass transfer.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of biological fermentation equipment, and technical problem to be solved in the utility model is how to make fermentor tank have good mass-transfer performance.
The purpose of this utility model can realize by following technical proposal: a kind of biological fermentation equipment, this biological fermentation equipment comprises fermentor tank and outer circulation cooling line, described fermentor tank comprises housing cylindraceous, in described housing, be provided with stir shaft, on housing, be provided with the motor for driving stir shaft rotation, it is characterized in that, on the sidewall of described housing, be fixed with some pumping pipes, on the lower end sidewall of described housing, be fixed with some return lines, one end of described pumping pipe and one end of return line are all stretched in described housing, some return lines arrange along the circumferential interval of housing, the material that described return line sprays into can in housing, form eddy flow and eddy flow direction is identical with the sense of rotation of stir shaft, between the other end of described pumping pipe and the other end of return line, be connected by outer circulation cooling line.
This fermentor tank is mechanical agitation type ventilation fermentation tank, in the housing of fermentor tank, be provided with the heat exchange coil of heat transfer effect, motor is arranged on the top of fermentor tank housing, and stir shaft is vertically arranged in housing, on stir shaft, is arranged at intervals with some stirring rakes along its axis direction.Driven by motor stir shaft when rotation, can drive material in housing to produce flowing axially and radially, thereby the material in fermentor tank is mixed.Owing to being circumferentially provided with many return lines along housing on the sidewall of housing lower end, the material that return line sprays into can form eddy flow in housing, and eddy flow direction is identical with the sense of rotation of stir shaft, such design can make mixing of materials better on the one hand, make the solid matter in liquid keep suspended state, be conducive to solid and fully contact with nutritive substance, be convenient to dietetic alimentation.Can also smash bubble, increase gas-to-liquid contact area, improve the rate of mass transfer between gas-liquid, fermentor tank mass-transfer performance is promoted simultaneously; On the other hand, the formation of eddy flow can also increase the Reynolds number of Flow of Goods and Materials in housing, the Reynolds number of Flow of Goods and Materials increases, the heat transfer coefficient of material and heat exchange coil is increased, promote the heat-transfer effect of heat exchange coil in fermentor tank, make this fermentor tank also can complete well heat transfer for the biological inoculum of golf calorific value, under the suitable condition of heat-transfer effect, can reduce the quantity of heat exchange coil, thereby reserve more stirring space, make fermentor tank can realize good stirring and mixing effect, further improve mass-transfer performance.
In above-mentioned biological fermentation equipment, on the sidewall of described housing lower end, offer some open holess, described mounting hole site is in sustained height, and some open holess are along the circumferentially evenly interval setting of housing, and described return line is fixedly plugged in described open holes.In each open holes, be fixedly plugged with a return line.Because mounting hole site is in sustained height, therefore make return line also be positioned at sustained height, each return line sprays into material from sustained height different directions, can be more prone to form eddy flow, increases material mixed effect.
In above-mentioned biological fermentation equipment, described return line is a straight tube, and this return line is horizontally disposed with, and the extended line of described return line axial line is positioned at stir shaft one side.Return line along continuous straight runs is inclined on housing, makes the extended line of return line axial line be positioned at stir shaft one side, and the flow direction of now return line ejection material, towards stir shaft one side, makes the material of each return line ejection form eddy flow.
In above-mentioned biological fermentation equipment, described pumping pipe quantity is identical with return line quantity.
In above-mentioned biological fermentation equipment, described outer circulation cooling line comprises water pump and transport pipe, the water-in of described water pump is connected with pumping pipe, the water outlet of described water pump is connected with one end of transport pipe, between the other end of described transport pipe and return line, be provided with interchanger, on described transport pipe, being also provided with can be to the ejector of material make-up gas medium in transport pipe.The group number of outer circulation cooling line equates with pumping pipe quantity, one group of corresponding pumping pipe of outer circulation cooling line and a return line, and each pumping pipe all connects a return line by one group of outer circulation cooling line.Ejector and exchanging air are prior art, can on market, directly buy, as " Lushui Science and Technology Co., Ltd., Chengdu " just has sale ejector, ejector plays the effect of gas-liquid mixed, it can supplement air or other gaseous medias to material in transport pipe, thereby guarantees that microorganism growth, reproductive process have sufficient oxygen.The principle of work of outer circulation cooling line is: water pump is extracted the material in housing out from pumping pipe, then flow in transport pipe, now ejector supplements air formation gas-liquid mixture in transport pipe, gas-liquid mixture flows to interchanger and carries out coolingly, and then flows in fermentor tank from return line.
In above-mentioned biological fermentation equipment, described pumping pipe is arranged on the upper end sidewall of housing, the L-shaped tubulose of described pumping pipe.
In above-mentioned biological fermentation equipment, on the lower end sidewall of described housing, be fixed with inlet pipe, one end of described inlet pipe extends the bottom of housing inner chamber.
In above-mentioned biological fermentation equipment, the quantity of described return line is 4～8.As preferably, the quantity of return line is 6, and pumping pipe is also 6 simultaneously.
Compared with prior art, this biological fermentation equipment has the following advantages:
1, this biological fermentation equipment is owing to being provided with many return lines in fermentor tank bottom, the material that return line sprays into can form eddy flow in housing, and eddy flow direction is identical with the sense of rotation of stir shaft, therefore can reduce the load of motor and stir shaft, make motor there is longer work-ing life, can save electric energy simultaneously.
2, in fermentor tank, material and heat exchange coil have higher heat transfer coefficient, and therefore heat exchange coil heat-transfer effect is better, make this fermentor tank can be applicable to the biological inoculum of golf calorific value, have advantages of good heat-transfer, highly versatile.
3, the fermentor tank of this biological fermentation equipment can mix better to material, is conducive to solid and fully contacts with nutritive substance, thereby improve output.
4, this biological fermentation equipment also has the advantages such as low cost of manufacture, practical, mass-transfer performance is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of this biological fermentation equipment.
Fig. 2 is the scheme of installation of this biological fermentation equipment return line.
In figure, 1, fermentor tank; 2, housing; 21, open holes; 3, stir shaft; 4, motor; 5, pumping pipe; 6, return line; 7, water pump; 8, transport pipe; 9, interchanger; 91, entrance of cooling water; 92, cooling water outlet; 10, ejector; 101, inlet mouth; 11, inlet pipe; 12, heat exchange coil; 13, stirring rake; 14, product goes out pipe.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As depicted in figs. 1 and 2, this biological fermentation equipment comprises fermentor tank 1 and outer circulation cooling line, fermentor tank 1 is mechanical agitation type ventilation fermentation tank, this fermentor tank 1 comprises housing 2 cylindraceous, the interior stir shaft 3 that is vertically provided with of housing 2, be provided with motor 4 at housing 2 tops, in housing 2, be provided with the heat exchange coil 12 of heat transfer effect, on stir shaft 3, be arranged at intervals with some stirring rakes 13 along its axis direction, motor 4 drives stir shaft 3 to rotate, can drive material in housing 2 to produce flowing axially and radially, thereby the material in fermentor tank 1 is mixed.On housing 2 lower end sidewalls, be fixed with inlet pipe 11, one end of inlet pipe 11 extends the bottom of housing 2 inner chambers.The product being also provided with in housing 2 bottoms for discharging fermented liquid goes out pipe 14.On the upper end sidewall of housing 2, be fixed with six roots of sensation pumping pipe 5, the L-shaped tubulose of pumping pipe 5.On housing 2 lower end sidewalls, offer six open holess 21, open holes 21 is positioned at sustained height, and six open holess 21 arrange along the circumferentially even interval of housing 2, are fixedly plugged with a return line 6 in each open holes 21.Return line 6 is a straight tube, and this return line 6 is horizontally disposed with, and the extended line of return line 6 axial lines is positioned at stir shaft 3 one sides, and the material that return line 6 sprays into can be identical with the sense of rotation of stir shaft 3 at the interior formation eddy flow of housing 2 and eddy flow direction.The quantity of pumping pipe 5 and return line 6 can suitably increase and decrease according to practical situation, but both quantity are identical all the time, and the quantity of general return line 6 and pumping pipe 5 is 4～8.One end of one end of pumping pipe 5 and return line 6 is all stretched in housing 2, between the other end of pumping pipe 5 and the other end of return line 6, is connected by outer circulation cooling line.
As shown in Figure 1, outer circulation cooling line has six groups, every group of corresponding pumping pipe 5 of outer circulation cooling line and a return line 6, and each pumping pipe 5 all connects a return line 6 by one group of outer circulation cooling line.Outer circulation cooling line comprises water pump 7 and transport pipe 8, the water-in of water pump 7 is connected with pumping pipe 5, the water outlet of water pump 7 is connected with one end of transport pipe 8, between the other end of transport pipe 8 and return line 6, be provided with interchanger 9, on transport pipe 8, being also provided with can be to the ejector 10 of the interior material make-up gas of transport pipe 8 medium.Water pump 7 is extracted the material in housing 2 out from pumping pipe 5, then flow in transport pipe 8, now ejector 10 forms gas-liquid mixture to the interior supplementary air of transport pipe 8, and gas-liquid mixture flows to interchanger 9 and carries out coolingly, and then flows in fermentor tank 1 from return line 6.Ejector 10 has the gas feed that supplied gas sucks, interchanger 9 has entrance of cooling water 91 and cooling water outlet 92, water coolant enters interchanger 9 from entrance of cooling water 91 and the material of the interchanger 9 of flowing through is carried out cooling, and the water coolant that then forms high temperature is discharged from cooling water outlet 92.
This biological fermentation equipment has been realized good heat transfer and mass-transfer performance, its concrete solution is: heat transfer problem solution, in fermentor tank 1, according to the thermal value of 5 watts/liter, less heat exchange coil 12 is set, the interchanger 9 that remaining Btu utilization is located at outside fermentor tank 1 is processed.Particularly, utilize water pump 7 that material (this material refers generally to the mixed solution of fermented liquid and microbial strains) is extracted out from pumping pipe 5, enter interchanger 9 cooling, and then get back in fermentor tank 1, so circulation realizes and conducting heat;
Dissolved oxygen issue-resolution: according to the air input of the oxygen requirement design inlet pipe 11 of 1Kg (O2)/kg (increment cell), supplement air by the inlet mouth 101 of ejector 10 more in addition, thereby guarantee that microorganism growth, reproductive process have sufficient oxygen.
Mass transfer problem solution: drive stirring rake 13 to rotate by stir shaft 3 on the one hand the interior material of housing 2 is mixed, simultaneously from housing 2 cooling return material roughly enter along housing tangential direction, form eddy flow and eddy flow direction identical with the sense of rotation of stir shaft 3, thereby increase the Reynolds number of housing 2 interior Flow of Goods and Materials, the interior material of housing 2 is mixed better, the increase of Reynolds number simultaneously can improve the heat transfer coefficient of the interior material of fermentor tank 1 and heat exchange coil 12, so also improved the heat-transfer effect of heat exchange coil 12 simultaneously.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used the terms such as fermentor tank 1, housing 2, open holes 21, stir shaft 3, motor 4, pumping pipe 5, return line 6, water pump 7, transport pipe 8, interchanger 9, entrance of cooling water 91, cooling water outlet 92, ejector 10, inlet mouth 101, inlet pipe 11, heat exchange coil 12 herein, do not got rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (8)
1. a biological fermentation equipment, this biological fermentation equipment comprises fermentor tank (1) and outer circulation cooling line, described fermentor tank (1) comprises housing cylindraceous (2), in described housing (2), be provided with stir shaft (3), on housing (2), be provided with the motor (4) for driving stir shaft (3) rotation, it is characterized in that, on the sidewall of described housing (2), be fixed with some pumping pipes (5), on the lower end sidewall of described housing (2), be fixed with some return lines (6), one end of one end of described pumping pipe (5) and return line (6) is all stretched in described housing (2), some return lines (6) arrange along the circumferential interval of housing (2), the material that described return line (6) sprays into can in housing (2), form eddy flow and eddy flow direction identical with the sense of rotation of stir shaft (3), between the other end of the other end of described pumping pipe (5) and return line (6), be connected by outer circulation cooling line.
2. biological fermentation equipment according to claim 1, it is characterized in that, on the sidewall of described housing (2) lower end, offer some open holess (21), described open holes (21) is positioned at sustained height, some open holess (21) are along the circumferentially evenly interval setting of housing (2), and described return line (6) is fixedly plugged in described open holes (21).
3. biological fermentation equipment according to claim 2, is characterized in that, described return line (6) is a straight tube, and this return line (6) is horizontally disposed with, and the extended line of described return line (6) axial line is positioned at stir shaft (3) one sides.
4. biological fermentation equipment according to claim 3, is characterized in that, described pumping pipe (5) quantity is identical with return line (6) quantity.
5. biological fermentation equipment according to claim 4, it is characterized in that, described outer circulation cooling line comprises water pump (7) and transport pipe (8), the water-in of described water pump (7) is connected with pumping pipe (5), the water outlet of described water pump (7) is connected with one end of transport pipe (8), between the other end of described transport pipe (8) and return line (6), be provided with interchanger (9), on described transport pipe (8), being also provided with can be to the ejector (10) of the interior material make-up gas of transport pipe (8) medium.
6. according to the biological fermentation equipment described in any one in claim 1 to 5, it is characterized in that, described pumping pipe (5) is arranged on the upper end sidewall of housing (2), the L-shaped tubulose of described pumping pipe (5).
7. according to the biological fermentation equipment described in any one in claim 1 to 5, it is characterized in that, on the lower end sidewall of described housing (2), be fixed with inlet pipe (11), one end of described inlet pipe (11) extends the bottom of housing (2) inner chamber.
8. biological fermentation equipment according to claim 4, is characterized in that, the quantity of described return line (6) is 4～8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420031305.4U CN203700349U (en) | 2014-01-17 | 2014-01-17 | Biological fermentation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420031305.4U CN203700349U (en) | 2014-01-17 | 2014-01-17 | Biological fermentation equipment |
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| Publication Number | Publication Date |
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| CN203700349U true CN203700349U (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420031305.4U Expired - Fee Related CN203700349U (en) | 2014-01-17 | 2014-01-17 | Biological fermentation equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105950444A (en) * | 2016-07-15 | 2016-09-21 | 江苏尚昆生物设备有限公司 | Large fermentation tank heat exchange device |
| CN107455726A (en) * | 2017-09-27 | 2017-12-12 | 佛山市海天(高明)调味食品有限公司 | A kind of preparation method of Zymolysis Equipment and sauce or soy sauce |
| CN107759659A (en) * | 2016-08-19 | 2018-03-06 | 昂德生物药业有限公司 | The renaturation dilution dispersal device of injection recombinant human histiotype plasminogen kinases derivative preparation and its application |
| CN107828649A (en) * | 2017-11-07 | 2018-03-23 | 武汉和信益科技有限公司 | Large-scale full-mixing type anaerobic marsh-gas fermentation tank thermal compensation system and its process |
| CN110325630A (en) * | 2017-03-10 | 2019-10-11 | 陶氏环球技术有限责任公司 | Aerobic fermentation system and method |
-
2014
- 2014-01-17 CN CN201420031305.4U patent/CN203700349U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105950444A (en) * | 2016-07-15 | 2016-09-21 | 江苏尚昆生物设备有限公司 | Large fermentation tank heat exchange device |
| CN107759659A (en) * | 2016-08-19 | 2018-03-06 | 昂德生物药业有限公司 | The renaturation dilution dispersal device of injection recombinant human histiotype plasminogen kinases derivative preparation and its application |
| CN110325630A (en) * | 2017-03-10 | 2019-10-11 | 陶氏环球技术有限责任公司 | Aerobic fermentation system and method |
| CN110325630B (en) * | 2017-03-10 | 2023-10-10 | 陶氏环球技术有限责任公司 | Aerobic fermentation system and method |
| CN107455726A (en) * | 2017-09-27 | 2017-12-12 | 佛山市海天(高明)调味食品有限公司 | A kind of preparation method of Zymolysis Equipment and sauce or soy sauce |
| CN107828649A (en) * | 2017-11-07 | 2018-03-23 | 武汉和信益科技有限公司 | Large-scale full-mixing type anaerobic marsh-gas fermentation tank thermal compensation system and its process |
| CN107828649B (en) * | 2017-11-07 | 2024-04-09 | 武汉和信益科技有限公司 | Large-scale full-mixing type anaerobic biogas fermentation tank thermal compensation system and process method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20210117 |