CN201501863U - Micro-aerobic fermentation device - Google Patents

Micro-aerobic fermentation device Download PDF

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Publication number
CN201501863U
CN201501863U CN 200920109135 CN200920109135U CN201501863U CN 201501863 U CN201501863 U CN 201501863U CN 200920109135 CN200920109135 CN 200920109135 CN 200920109135 U CN200920109135 U CN 200920109135U CN 201501863 U CN201501863 U CN 201501863U
Authority
CN
China
Prior art keywords
tank body
aerobic fermentation
tank
fermentation
fermentation device
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 - Lifetime
Application number
CN 200920109135
Other languages
Chinese (zh)
Inventor
李荣杰
乔华军
宋家林
崔亚放
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui BBCA Fermentation Technology Engineering Research Co Ltd
Original Assignee
Anhui BBCA Fermentation Technology Engineering Research Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui BBCA Fermentation Technology Engineering Research Co Ltd filed Critical Anhui BBCA Fermentation Technology Engineering Research Co Ltd
Priority to CN 200920109135 priority Critical patent/CN201501863U/en
Application granted granted Critical
Publication of CN201501863U publication Critical patent/CN201501863U/en
Anticipated expiration legal-status Critical
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Classifications

    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS 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
    • C12M27/00Means for mixing, agitating or circulating fluids in the vessel
    • C12M27/02Stirrer or mobile mixing elements
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS 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
    • C12M41/00Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/12Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
    • C12M41/18Heat exchange systems, e.g. heat jackets or outer envelopes
    • C12M41/20Heat exchange systems, e.g. heat jackets or outer envelopes the heat transfer medium being a gas

Abstract

The utility model discloses a micro-aerobic fermentation device comprising a micro-aerobic fermentation tank which mainly comprises the following structures: a tank body; a mechanical agitation combination positioned in the tank body and connected with a motor; a small hole gas distribution circular pipe positioned at the lower part of the tank body; a ring-shaped heat exchange tube positioned above the small hole gas distribution circular pipe in the tank body and a zigzag baffle arranged on the inner wall of the tank body. Through arranging the mechanical agitation combination in the fermentation tank body and designing the form, size and rotating speed of a mixing vane in a matching way, the utility model achieves the optimum ventilation and mixing of fermentation materials, is beneficial to improving fermentation yield and shortening the fermentation cycle, meets the requirements of small micro-aerobic fermentation ventilation ratio, has less investment and lower energy consumption, and can be used in large-scale industrial production.

Description

A kind of little aerobic fermentation device
Technical field
The utility model relates to a kind of biological fermentation device, particularly relates to a kind of device that little aerobic fermentation Product industrialization is produced that is used for.
Background technology
Fermentor tank is the committed step device during biochemical industry is produced, and is large in number and widely distributed.Existing novel, energy-efficient aerobic fermentation tank can be found everywhere, as the applying date is that the patent No. on December 21st, 2005 is 200520145172.4 Chinese patent: the gas lift fermentor tank, disclose a kind of aerobic microbiological fermentation unit, it specifically is a kind of gas lift fermentor tank, it comprises tank body, the air filter that is connected with tank body, defoaming device, described air filter are provided with the high temperature high voltage resistant bacteriological filtration film that skeleton is arranged that the aperture is less than or equal to 0.22MM; Tank body is a spheroidal; Be provided with a spherical froth breaking bottle that has venting port on tank body top, the lower end of venting port extends in the froth breaking bottle, has some apertures in the lower end of venting port and device is interlinked to the outside; One section extension parallel with horizontal plane is arranged at the top of venting port, and its end openings diameter is less than 3MM.This utility model patent has fermented liquid and is not easy pollution, simple in structure, advantages such as ferment effect good, device easy cleaning.But to certain slightly aerobic fermentation or ventilating ratio (gas, liquor ratio value) less than 0.1m 3/ m 3The fermentation of min, particularly ventilating ratio be little, strict restriction is arranged, and these fermentation units of fermentation that uniformity coefficient is had relatively high expectations then all can not meet the demands.
The utility model content
The purpose of this utility model provides a kind of little aerobic fermentation, energy consumption is low and efficient is high aeration-agitation fermentation unit of can be used in.
For achieving the above object, the utility model provides a kind of little aerobic fermentation device, comprises little aerobic fermentation tank, and this little aerobic fermentation tank mainly comprises following structure:
Tank body;
Be positioned at the mechanical stirring combination that tank body is connected with motor, described mechanical stirring combination comprises transmission shaft and is connected the stirring arm of at least two groups on the described transmission shaft, described stirring arm be positioned at jar the below be the radial flow stirring rake, other are the axial flow stirring rake; The diameter of described stirring rake be tank diameter 1/3~1/2 between; Orlop is the radial flow stirring rake, helps smashing bubble, thereby increases oxygen transfer rate; Other is the axial flow stirring rake, and lower floor's stirring rake upwards stirs material, and the upper strata stirring rake to pressing down, further makes dissolved oxygen evenly fully contact with material material;
Be positioned at the aperture gas distribution ring pipe of tank body bottom, have the aperture of φ 2-φ 6 under it;
Be positioned at the annular heat transfer tube of the top of tank body aperture gas distribution ring pipe, annular heat transfer tube both can be liquid material and had limited a glide path, prevented short circuit; Also can force fluid high-speed to flow through heat-transfer surface is beneficial in time heat of fermentation be taken away; With
At the spination traverse baffle that inner tank wall is provided with, this kind traverse baffle has the saving power consumption, helps occurring the characteristics of cycling stream up and down again.
The little aerobic fermentation device of the utility model, wherein said motor are preferably placed at described tank body top.
The little aerobic fermentation device of the utility model, wherein said transmission shaft are preferably placed at described tank body central authorities.
The little aerobic fermentation device of the utility model, the diameter of wherein said aperture gas distribution ring pipe are preferably between 0.8~1.2 times of radial flow stirring rake diameter.The perforate of its below preferably has two rows.Blowing angle and perforate quantity are adjusted according to viscosity, the volume of material and the parameters such as dissolved oxygen effect that will reach, and the bubble that diameter is little has bigger specific surface area, thereby helps improving oxygen transfer rate.
The little aerobic fermentation device of the utility model, the diameter of wherein said annular heat transfer tube be preferably tank diameter 1/3~1/2 between, highly be the tank body height 1/5~1/2 between.Its concrete diameter and height depend on the geometrical dimension of tank body and the character of fermentation materials etc.
The little aerobic fermentation device of the utility model, wherein said fermentor tank also comprises: inoculation mouth that is connected with described tank body and steam admission valve, the air intake valve that is connected with described aperture gas distribution ring pipe, the recirculated water terminal valve that is connected with described annular heat transfer tube, and the emptying valve that is connected with described tank base.
The little aerobic fermentation device of the utility model is meant that tank volume is greater than 50m 3The suitability for industrialized production fermentor tank of/platform, but not use or other specification fermentor tank less than the test of this specification.Its purposes includes only ventilating ratio (gas, liquor ratio value) less than 0.1m 3/ m 3Little aerobic fermentation of min does not comprise the aerobic fermentation of other scope.The little aerobic fermentation device of the utility model is by being provided with mechanical stirring combination and matching design paddle form size and rotating speed in the fermentor tank tank body, the optimal ventilation of realizing fermentation materials with mix, help improving fermentation production rate and shorten fermentation period, satisfied the little requirement of little aerobic fermentation ventilating ratio, less investment and energy consumption are low, can be applied to large-scale industrial production.
Description of drawings
Fig. 1 is the overall assembly structure synoptic diagram of a kind of little aerobic fermentation tank of the utility model embodiment.
Wherein, 1: aperture gas distribution ring pipe; 2: annular heat transfer tube; 3: traverse baffle; 4: transmission shaft; 5: tank body; 6: the inoculation mouth; 7: the steam admission valve; 8: air intake valve; 9: the recirculated water terminal valve; 10: the emptying valve.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
The structural representation of a kind of embodiment of the little aerobic fermentation device of the utility model as shown in Figure 1, it comprises little aerobic fermentation tank, this little aerobic fermentation tank mainly comprises following assembly:
Tank body 5, the central authorities in tank body 5 are fixed with the transmission shaft 4 that is connected with motor, and two-layer or two-layer above stirring rake (being illustrated as three layers) is housed on the described transmission shaft 4, the diameter of stirring rake be tank diameter 1/3~1/2 between; Orlop is the radial flow stirring rake, and this helps smashing bubble, thereby increases oxygen transfer rate; Other is the axial flow stirring rake, and lower floor's stirring rake upwards stirs material, and the upper strata stirring rake to pressing down, further makes dissolved oxygen evenly fully contact with material material; Foot in tank body 5 is equipped with aperture gas distribution ring pipe 1, the diameter of aperture gas distribution ring pipe 1 is between 0.8~1.2 times of radial flow stirring rake diameter, have the aperture of two row φ, 2~φ 6 under it, blowing angle and perforate quantity are adjusted according to viscosity, the volume of material and the parameters such as dissolved oxygen effect that will reach, the bubble that diameter is little has bigger specific surface area, thereby helps improving oxygen transfer rate; Directly over the aperture gas distribution ring pipe 1 in tank body 5 annular heat transfer tube 2 is housed, annular heat transfer tube 2 both can be liquid material and had limited a glide path, prevented short circuit; Also can force fluid high-speed to flow through heat-transfer surface is beneficial in time heat of fermentation be taken away; The diameter of annular heat transfer tube 2 be tank diameter 1/3~1/2 between, highly be jar cylindrical shell height 1/5~1/2 between, its concrete diameter and highly depends on the geometrical dimension of tank body 5 and the character of fermentation materials etc.; Inwall at tank body 5 is provided with spination traverse baffle 3, and this kind traverse baffle has the saving power consumption, helps occurring the characteristics of cycling stream up and down again.
Below be main raw material with ground corn core hydrolysate-wood sugar, utilize above-mentioned little aerobic fermentation device xylitol zymolysis production, further specify and utilize the little aerobic fermentation device of the utility model to carry out the method for little aerobic fermentation:
(1) at first logical steam is treated the fermentation materials sterilization that carries out disinfection, after 121 ℃ of half an hour of sterilizing, steam off admission valve 7, opening cooling water intakeoutfall valve 9 logical recirculated waters cools, open air intake valve 8 and emptying valve 10, logical sterile air cools off little aerobic fermentation tank and fermentation materials;
When (2) treating that temperature is reduced to 33 ℃ in the fermentor tank, inoculate, inoculative proportion is 1m 3Treat fermentation materials/0.05~0.1m 3Seed liquor after inoculation is finished, is closed inoculation mouth 6 and is adjusted mixing speed, ferments; During the fermentation, cooling recirculated water carries out the automatic control temperature adjustment with a jar temperature, and air intake valve 8 carries out the automatic control controlling opening of valve with the fermented liquid dissolved oxygen, and emptying valve 10 carries out automatic control regulating tank internal pressure with tank pressure, is beneficial to the normal growth and the metabolism of bacterial classification;
(3) fermentation is about 60 hours, and per hour sampling detects residual sugar, treats that residual sugar detects qualified can the termination and ferments.
From the material that fermentation finishes,, record and produce Xylitol greater than 100g/L with the analytical procedure of liquid chromatography.Ventilating ratio is less than 0.05m in whole fermentation process 3/ m 3Min, power of agitator is less than 0.5KWh/m 3Tank volume, fermentation period was less than 65 hours.
Certainly; the utility model also can have other embodiment; under the situation of the utility model spirit and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of claim of the present utility model.

Claims (7)

1. a little aerobic fermentation device comprises little aerobic fermentation tank, it is characterized in that described fermentor tank mainly comprises following structure:
Tank body (5);
Be positioned at the mechanical stirring combination that tank body (5) is connected with motor, described mechanical stirring combination comprises transmission shaft (4) and is connected the stirring rake of at least two groups on the described transmission shaft (4), described stirring rake be positioned at jar the below be the radial flow stirring rake, other are the axial flow stirring rake, the diameter of described stirring rake be tank diameter 1/3~1/2 between;
Be positioned at the aperture gas distribution ring pipe (1) of tank body (5) bottom, have the aperture of φ 2-φ 6 under it;
Be positioned at the annular heat transfer tube (2) of the top of tank body (5) aperture gas distribution ring pipe (1); With
Spination traverse baffle (3) in the setting of tank body (5) inwall.
2. little aerobic fermentation device as claimed in claim 1 is characterized in that, described motor is positioned at described tank body top.
3. little aerobic fermentation device as claimed in claim 1 is characterized in that, described transmission shaft (4) is positioned at described tank body (5) central authorities.
4. little aerobic fermentation device as claimed in claim 1 is characterized in that, the diameter of described aperture gas distribution ring pipe (1) is between 0.8~1.2 times of radial flow stirring rake diameter.
5. little aerobic fermentation device as claimed in claim 1 is characterized in that, the perforate of described aperture gas distribution ring pipe (1) below has two rows.
6. little aerobic fermentation device as claimed in claim 1 is characterized in that, the diameter of described annular heat transfer tube (2) be tank diameter 1/3~1/2 between, highly be the tank body height 1/5~1/2 between.
7. little aerobic fermentation device as claimed in claim 1, it is characterized in that, described fermentor tank also comprises: inoculation mouth (6) that is connected with described tank body (5) and steam admission valve (7), the air intake valve (8) that is connected with described aperture gas distribution ring pipe (1), the recirculated water terminal valve (9) that is connected with described annular heat transfer tube (2), and the emptying valve (10) that is connected with described tank body (5) bottom.
CN 200920109135 2009-06-12 2009-06-12 Micro-aerobic fermentation device Expired - Lifetime CN201501863U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200920109135 CN201501863U (en) 2009-06-12 2009-06-12 Micro-aerobic fermentation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200920109135 CN201501863U (en) 2009-06-12 2009-06-12 Micro-aerobic fermentation device

Publications (1)

Publication Number Publication Date
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Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103122307A (en) * 2011-11-21 2013-05-29 镇江日泰生物工程设备有限公司 Fermentation tank for solid material
CN103657530A (en) * 2013-11-12 2014-03-26 焦作市开泰电力设备制造有限责任公司 Steam preheating tank
CN110592159A (en) * 2019-09-23 2019-12-20 浙江拜克生物科技有限公司 Preparation process and device of monensin premix

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103122307A (en) * 2011-11-21 2013-05-29 镇江日泰生物工程设备有限公司 Fermentation tank for solid material
CN103657530A (en) * 2013-11-12 2014-03-26 焦作市开泰电力设备制造有限责任公司 Steam preheating tank
CN110592159A (en) * 2019-09-23 2019-12-20 浙江拜克生物科技有限公司 Preparation process and device of monensin premix

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Granted publication date: 20100609

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