CN106148166B - Fermentation tail gas liquid foam handles recovery system - Google Patents
Fermentation tail gas liquid foam handles recovery system Download PDFInfo
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- CN106148166B CN106148166B CN201610681181.8A CN201610681181A CN106148166B CN 106148166 B CN106148166 B CN 106148166B CN 201610681181 A CN201610681181 A CN 201610681181A CN 106148166 B CN106148166 B CN 106148166B
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- liquid
- pipe
- high performance
- tail gas
- air inlet
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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
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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
- C12M29/18—External loop; Means for reintroduction of fermented biomass or liquid percolate
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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
- C12M29/20—Degassing; Venting; Bubble traps
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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
- C12M29/26—Conditioning fluids entering or exiting the reaction vessel
-
- 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
- C12M41/02—Means for regulation, monitoring, measurement or control, e.g. flow regulation of foam
Abstract
A kind of fermentation tail gas liquid foam processing recovery system, it is characterised in that：The fermentation tail gas liquid foam processing recovery system includes a high performance vortex separator being arranged outside the tank body of fermentation tank, air inlet pipe, escape pipe and reflux three main pipelines of liquid pipe are connected on high performance vortex separator, wherein air inlet pipe is connected with the exhaust outlet of top of the tank, the outlet end for the liquid pipe that flows back introduces tank interior fluid-tight position and the position positioned at blender periphery, and the detergent line that tank body and system are cleaned and sterilized and sterilizing pipeline are also associated in the reflux liquid pipe outside tank body.Structure of the invention is reasonable, processing is efficient, has the function of gas-liquid separation and the recycling of liquid foam, while reducing thalline quantity and the peculiar smell concentration of living of fermenting in tail gas, sterile interior cycle can be achieved, so that fermenting and producing is stablized, efficiency improve, while obtain volume increase consumption reduction, energy-saving and emission-reduction economical and environmentally friendly double benefit.
Description
Technical field
The invention belongs to fermentation tank technical fields, are related to a kind of fermentation tank tail gas processing system applied to aerobic fermentation
System, and in particular to a kind of fermentation tail gas liquid foam processing recovery system has the function of gas-liquid separation and the recycling of liquid foam, while reducing tail
Fermentation thalline quantity living and peculiar smell concentration in gas.
Background technology
Aerobic fermentation needs constantly to be passed through a large amount of aseptic compressed airs to fermentation tank.It generates the problem that therewith,
In fermentation process, fermentation tank is vented (tail gas) along with a large amount of liquid foam entrainments, is escaped in the form of foam, not only waste material and
Bacterium discharge is produced, and influences production environment, or even generates bacteriophage.Foam center is air or other fermentating metabolism gases,
Outsourcing liquid film includes fermentation medium and microbial cells, metabolite etc. in liquid film, therefore fermentation tail gas is gas-liquid-solid three
Phase mixture.In order to recycle the culture medium and tunning in tail gas, while reducing the pollution to production environment and air, tail gas
Processing must be carried out separation and recycling.
Through looking into, the Chinese patent of existing Publication No. CN203342642U《Fermentation tail gas processing device》, including two level gas
Liquid knockout tower, wherein first stage tower gas vent connect two level tower, and liquid outlet connects fermentation tank.Publication No. CN101407758B
Chinese patent《A kind of gas-liquid separation device》, fermentation tank tail gas outlet connects there are two separation device, wherein liquid-phase reflux liquid
Pipe accesses fermentation tank after merging.There is following defect in above-mentioned two patent：As the equipment adjacent with fermentation tank, without clear
It washes and bactericidal unit, be easy to cause fermentation microbiological contamination or even tank switching failure.
The also Chinese patent of Publication No. CN205323521U《Microbial fermentation exhaust treatment system》, processing system
It is relatively independent with fermentation tank, sterilization treatment mainly is carried out to tail gas, but there is no gas-liquid separation process before, will not yet
Useful liquid foam ingredient is recycled in fermentation tank.
Invention content
Technical problem to be solved by the invention is to provide a kind of fermentations reasonable for structure, efficient, the sterile interior cycle of processing
Tail gas liquid foam handles recovery system, is used for the vent gas treatment of fermentation tank.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of fermentation tail gas liquid foam processing recycling system
System, it is characterised in that：The fermentation tail gas liquid foam processing recovery system includes an efficient rotary being arranged outside the tank body of fermentation tank
Hit separator, be connected on high performance vortex separator air inlet pipe, escape pipe and reflux three main pipelines of liquid pipe, wherein air inlet pipe with
The exhaust outlet of top of the tank is connected, and the outlet end for the liquid pipe that flows back introduces tank interior fluid-tight position and positioned at blender periphery
Position is also associated with the detergent line that tank body and system are cleaned and sterilized and sterile tube in the reflux liquid pipe outside tank body
Road.
As an improvement, the high performance vortex separator is arranged above the side of tank body, the upper end one of high performance vortex separator
Side is equipped with air inlet, and one end of air inlet pipe is connected with the air inlet of high performance vortex separator, the row of the other end and top of the tank
Gas port is connected, and the top of high performance vortex separator is equipped with gas outlet, the outlet of one end and high performance vortex separator of escape pipe
Mouth is connected, and the other end empties or accesses other tail gas treatment devices, and air inlet pipe valve is respectively equipped in air inlet pipe and an air outlet pipe
Door and outlet tube valve.
Preferably, the bottom of the high performance vortex separator is equipped with the liquid outlet for connecting back to fluid tube, the upper end of tank body
Equipped with the refluxing opening introduced for reflux liquid pipe, it is in bend to be arranged to blender direction that reflux liquid pipe, which is longitudinally inserted into tank body, reflux
The lower end of liquid pipe centre-to-centre spacing R=(0.2~0.3) D flat from agitating shaft edema with the heart involved, the blender center below liquid level are vertically high
H=(0.3~0.7) D is spent, wherein D is stirrer diameter.
As an improvement, the lower end export direction of the reflux liquid pipe with by the radius in the center of circle of the center of blender be R's
Circle is tangent.
It improves again, in the reflux liquid pipe that the sterilizing pipeline is arranged between liquid valve door and the refluxing opening of tank body, reflux
Liquid pipe is equipped with three-way pipe and is connected with sterilizing pipeline.
It improving again, the detergent line setting is flowing back in liquid pipe, between liquid valve door and high performance vortex separator,
Reflux liquid pipe is connected equipped with three-way pipe with detergent line.
It improves again, the detergent line, sterile tube road are respectively equipped with cleaning tube valve and sterilizing tube valve.
Finally, the air inlet pipe, escape pipe, detergent line and sterile tube road are respectively equipped with the drain tap of bypass.
Compared with the prior art, the advantages of the present invention are as follows：High performance vortex separator is set so that fermentation tail gas gas-liquid point
From efficient, system outlet clean tail gas does not have solid-liquid phase constituent；Setting reflux liquid pipe, after the separation of high performance vortex separator
Separating liquid smooth can be back to inside fermentation tank, and thalline quantity degree living and peculiar smell concentration, gas-liquid is greatly reduced in fermentation tail gas
Entrainment recycles in realizing, free from environmental pollution；Setting cleaning and disinfection system, can facilitate and tank body and system are cleaned and gone out
Bacterium does not influence sterile production of fermenting；In addition, system resistance loss is extremely low, do not increase fermentation tank tank pressure, what system need not be additional
Power or power consumption.Structure of the invention is reasonable, processing is efficient, has the function of gas-liquid separation and the recycling of liquid foam, while reducing tail
Thalline quantity and peculiar smell concentration living are fermented in gas, it can be achieved that sterile interior cycle, makes fermenting and producing stablize, efficiency improves, and obtains simultaneously
Must increase production consumption reduction, energy-saving and emission-reduction economical and environmentally friendly double benefit.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the perspective view of reflux liquid pipe and blender relative position.
Specific implementation mode
Below in conjunction with attached drawing embodiment, present invention is further described in detail.
As shown in Figure 1, 2, a kind of fermentation tail gas liquid foam handles recovery system, which handles recovery system packet
High performance vortex separator 2 is included, high performance vortex separator 2 is using the separator of Patent No. CN201423316, high performance vortex separation
Device 2 is arranged above the side of tank body 1, and the upper end of high performance vortex separator 2 is connected separately with air inlet pipe 3, escape pipe 4 and phegma
The upper end side of 5 three main lines of pipe, high performance vortex separator 2 is equipped with air inlet, and one end of air inlet pipe 3 is detached with high performance vortex
The air inlet of device 2 is connected, and the other end is connected with the exhaust outlet at 1 top of tank body, and the top of high performance vortex separator 2 is equipped with out
One end of gas port, escape pipe 4 is connected with the gas outlet of high performance vortex separator 2, and the other end is emptied or accessed at other tail gas
Equipment is managed, air inlet pipe valve 31 and outlet tube valve 41, high performance vortex separator 2 are respectively equipped in air inlet pipe 3 and escape pipe 4
Bottom be equipped with and connect back to the liquid outlet of fluid tube 5, the upper end side of tank body 1 is equipped with the refluxing opening introduced for reflux liquid pipe 5, returns
Fluid tube 5 is longitudinal to be arranged as being vertically inserted into 1 inside fluid-tight position of tank body and being bent to 8 direction of blender, keeps outlet end reliable
Fluid-tight, blender 8 has coaxial up and down two in the tank body of the present embodiment, and one is located at 11 top of liquid level, and one is located at liquid level
Lower section, the top of blender is also coaxially provided with defoaming paddle 9 in tank body 1, and the end set for the liquid pipe 5 that flows back is below liquid level 11
Blender 8 top, end centre-to-centre spacing R=(0.2~0.3) D flat from agitating shaft edema with the heart involved for the liquid pipe 5 that flows back, under chaotropic position 11
Blender 8 center vertical height H=(0.3~0.7) D of side, wherein D are 8 diameter of blender, and are brought out under the liquid pipe 5 that flows back
Mouthful direction with it is tangent for the circle of R by the radius in the center of circle of the center of blender 8, such separating liquid smooth can flow back into tank body 1
Inside, is greatly reduced in fermentation tail gas thalline quantity degree living and peculiar smell concentration, and entrained liquid object realizes interior cycle, do not pollute ring
Border；For the ease of cleaning and sterilizing, liquid valve door 51 is installed in the reflux liquid pipe 5 outside tank body 1, the reflux outside tank body 1
The detergent line 6 that tank body 1 and system are cleaned and sterilized and sterilizing pipeline 7 are also associated in liquid pipe 5, sterilizing pipeline 7 is set
It sets in the reflux liquid pipe 5 between liquid valve door 51 and the refluxing opening of tank body 1, reflux liquid pipe 5 is equipped with three-way pipe and sterile tube
Road 7 is connected, and sterilizing pipeline 7 is equipped with sterilizing tube valve 71, and the setting of detergent line 6 is flowing back in liquid pipe 5, is being located at liquid valve door
Between 51 and high performance vortex separator 2, reflux liquid pipe 5 is connected equipped with three-way pipe with detergent line 6, is set in detergent line 6
There is cleaning tube valve 61, the exhaust of bypass is in addition respectively equipped on air inlet pipe 3, escape pipe 4, detergent line 6 and sterilizing pipeline 7
Valve 32,42,62 and 72.
Operation principle is：Filtrated air 10 enters tank body, the tail gas generated in tank body 1 from the lower end of the tank body 1 of fermentation tank
Enter high performance vortex separator 2 from top vent by air inlet pipe 3, gas-liquid separation is carried out in it, clean gas is by going out
4 discharge system of tracheae, fermentation air flux can be adjusted by adjusting outlet tube valve 41；After the 2 inside separation of high performance vortex separator
Solid liquid phase entered inside tank body 1 by flow back liquid pipe 5 and liquid valve door 51, according to fermentation initial liquid level, 8 form of blender
Difference, the end of reflux liquid pipe 5 is in the peripheral position for a certain shelves blender 8 for meeting fluid-tight requirement, i.e., off-axis edema with the heart involved is flat
Centre-to-centre spacing R=(0.2~0.3) D, from blender 8 center vertical height H=(0.3~0.7) D, specific data are needed according to fermentation
Depending on the calculating such as jar structure, technological parameter, Characteristics of Fermentation Broth, D indicates stirrer diameter.
When normal fermentation produces, main line valve air inlet pipe valve 31, outlet tube valve 41, liquid valve door 51 are opened, auxiliary
Pipe valve cleaning tube valve 61, sterilizing tube valve 71 and drain tap 32,42,62 and 72 is helped to be turned off.After fermentation
It cleans first, closes main line valve air inlet pipe valve 31, outlet tube valve 41, liquid valve door 51, cleaning solution passes through cleaning pipe
Valve 61 enters inside high performance vortex separator 2 from bottom to top, and inner air is drained by the drain tap 42 of corresponding pipeline, is waited for
When exhaust terminates to have water discharge, illustrate to have been filled with water inside high performance vortex separator 2, closes drain tap 42.It waits impregnating certain
After time, main line valve air inlet pipe valve 31, outlet tube valve 41, liquid valve door 51 are opened, internal washing liquid is drained, cleaned
Liquid is flowed to by the liquid pipe 5 that flows back in tank body 1, and tank body 1 synchronizes in cleaning, is discharged by the blow-off line of fermentation tank.Repeat with
Upper process, until discharge cleaning solution it is clean until.Cleaning systems are synchronized with fermentation tank cleaning.
Cleaning terminates, and before next fermentation period starts, carries out sterilization processes.Illustrate by taking real tank sterilization processes as an example：It beats
Air inlet pipe valve 31, outlet tube valve 41 are opened, liquid valve door 51 is closed.Cleaning tube valve 61 is opened, sterilizing tube valve 71 is opened
Into high-temperature water vapor；Corresponding each pipeline drain tap 32,42,62 and 72 is opened, air and steam condensate is discharged；In the process
The aperture for needing adjusting outlet tube valve 41 and drain tap 42 with Quick air-discharge and maintains high temperature, pressure；Wait for fermentation tank pressurize
When beginning, liquid valve door 51 is opened, sterilizing tube valve 71 can be closed after a certain period of time.Other all steamings are closed after pressurize
Steam valve door closes all drain taps 32,42,62 and 72, closes cleaning tube valve 61, sterilization processes terminate.
Claims (4)
1. a kind of fermentation tail gas liquid foam handles recovery system, it is characterised in that：The fermentation tail gas liquid foam handles recovery system packet
A high performance vortex separator being arranged outside the tank body of fermentation tank is included, air inlet pipe, escape pipe are connected on high performance vortex separator
With reflux three main pipelines of liquid pipe, wherein air inlet pipe is connected with the exhaust outlet of top of the tank, and the outlet end for the liquid pipe that flows back introduces
Tank interior fluid-tight position and position positioned at blender periphery, are also associated with to tank body in the reflux liquid pipe outside tank body and are
The detergent line and sterilizing pipeline that system is cleaned and sterilized；
The bottom of the high performance vortex separator is equipped with the liquid outlet for connecting back to fluid tube, and the upper end of tank body is equipped with for the liquid pipe that flows back
The refluxing opening of introducing, reflux liquid pipe, which is longitudinally inserted into tank body, to be arranged in being bent to blender direction, the lower end of the liquid pipe that flows back from
Flat centre-to-centre spacing R=(0.2~0.3) D of agitating shaft edema with the heart involved, below liquid level blender center vertical height H=(0.3~
0.7) D, wherein D are stirrer diameter；
It is described reflux liquid pipe lower end export direction with it is tangent for the circle of R by the radius in the center of circle of the center of blender；
In the reflux liquid pipe that the sterilizing pipeline is arranged between liquid valve door and the refluxing opening of tank body, reflux liquid pipe is equipped with three
Siphunculus is connected with sterilizing pipeline；
The detergent line setting is flowing back in liquid pipe, between liquid valve door and high performance vortex separator, in the liquid pipe that flows back
It is connected with detergent line equipped with three-way pipe.
2. fermentation tail gas liquid foam according to claim 1 handles recovery system, it is characterised in that：The high performance vortex separation
Device is arranged above the side of tank body, and the upper end side of high performance vortex separator is equipped with air inlet, one end of air inlet pipe and efficient rotary
The air inlet for hitting separator is connected, and the other end is connected with the exhaust outlet of top of the tank, and the top of high performance vortex separator is set
There are gas outlet, one end of escape pipe to be connected with the gas outlet of high performance vortex separator, the other end empties or access other tail gas
Processing equipment is respectively equipped with air inlet pipe valve and outlet tube valve in air inlet pipe and an air outlet pipe.
3. fermentation tail gas liquid foam according to claim 1 handles recovery system, it is characterised in that：The detergent line is gone out
Tube road is respectively equipped with cleaning tube valve and sterilizing tube valve.
4. fermentation tail gas liquid foam according to claim 3 handles recovery system, it is characterised in that：The air inlet pipe, outlet
Pipe, detergent line and sterile tube road are respectively equipped with the drain tap of bypass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610681181.8A CN106148166B (en) | 2016-08-17 | 2016-08-17 | Fermentation tail gas liquid foam handles recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610681181.8A CN106148166B (en) | 2016-08-17 | 2016-08-17 | Fermentation tail gas liquid foam handles recovery system |
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| Publication Number | Publication Date |
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| CN106148166A CN106148166A (en) | 2016-11-23 |
| CN106148166B true CN106148166B (en) | 2018-10-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023247018A1 (en) * | 2022-06-21 | 2023-12-28 | Infors Ag | Foam mitigation device for bioreactor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107058068A (en) * | 2017-05-03 | 2017-08-18 | 山东帝得现代农牧科技有限公司 | A kind of multiple-tank body biogas generating device |
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| CN201834915U (en) * | 2010-11-01 | 2011-05-18 | 宝鸡阜丰生物科技有限公司 | Defoaming device of fermenter |
| CN102796650A (en) * | 2011-05-23 | 2012-11-28 | 陆飞浩 | Cyclone airlift fermentation tank |
| CN203342642U (en) * | 2013-07-05 | 2013-12-18 | 梁山正大菱花生物科技有限公司 | Fermentation exhaust-gas treatment device |
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| CN205953991U (en) * | 2016-08-17 | 2017-02-15 | 陆飞浩 | Recovery system is handled to fermentation tail gas liquid foam |
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2016
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| CN201423316Y (en) * | 2009-06-22 | 2010-03-17 | 陆飞浩 | gas-liquid separator |
| CN201834915U (en) * | 2010-11-01 | 2011-05-18 | 宝鸡阜丰生物科技有限公司 | Defoaming device of fermenter |
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| CN203342642U (en) * | 2013-07-05 | 2013-12-18 | 梁山正大菱花生物科技有限公司 | Fermentation exhaust-gas treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023247018A1 (en) * | 2022-06-21 | 2023-12-28 | Infors Ag | Foam mitigation device for bioreactor |
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