CN106190795A - A kind of fermentation tank of band air sparger - Google Patents
A kind of fermentation tank of band air sparger Download PDFInfo
- Publication number
- CN106190795A CN106190795A CN201610831174.1A CN201610831174A CN106190795A CN 106190795 A CN106190795 A CN 106190795A CN 201610831174 A CN201610831174 A CN 201610831174A CN 106190795 A CN106190795 A CN 106190795A
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- CN
- China
- Prior art keywords
- isocon
- necking pipe
- air sparger
- tank
- fermentation tank
- 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.)
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Links
- 238000000855 fermentation Methods 0.000 title claims abstract description 96
- 230000004151 fermentation Effects 0.000 title claims abstract description 96
- 239000004744 fabric Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 abstract description 57
- 239000007789 gas Substances 0.000 description 15
- 239000000203 mixture Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Microbiology (AREA)
- Sustainable Development (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Analytical Chemistry (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention provides the fermentation tank of a kind of band air sparger, belong to fermentation tank technical field.It solve existing fermentation cylinder for fermentation liquid and mix uniform not problem with air.The fermentation tank of this band air sparger includes tank body, air sparger is positioned at the bottom of tank body, air sparger includes necking pipe, isocon and nozzle, necking pipe is fixedly connected with tank body, the enlarging shape that the upper and lower of necking pipe is the most tapered, the tapered shape of isocon, isocon is fixed in the top of necking pipe, multiple through hole it is arranged at intervals with on isocon, there is between isocon and the top of necking pipe gap, the gas outlet of nozzle is positioned in the bottom of necking pipe, and air inlet is positioned at outside tank body, has gap between nozzle and the bottom of necking pipe.The fermentation tank of this band air sparger has the advantage making fermentation liquid mix homogeneously with air.
Description
Technical field
The invention belongs to fermentation tank technical field, relate to the fermentation tank of a kind of band air sparger.
Background technology
In the equipment used by the area research such as biological medicine, microbial manure, fermentation tank is the group that one of them is important
Becoming part, aerobic microbiological during the fermentation, needs to provide the oxygen of continuous uniform in fermentation tank.
Existing fermentation tank, such as Chinese patent literature data disclose gas-lifting type stirred fermentor [application number:
201520034006.0；Authorization Notice No.: CN204569910U], it includes that tank body, tank body bottom are provided with air importing and connect
Pipe, tank body top is provided with air outlet slit；Pulling force cylinder vertically it is provided with in tank body；Tank body is outside equipped with some chucks；
Air imports adapter one end in tank body and connects air nozzle；Being shaped as of air nozzle is spherical；Air nozzle spherical on
Half section is evenly distributed with some puff prots；The top half of air nozzle is deep into the lower end of pulling force cylinder.
The fermentation tank of this kind of structure, spherical by nozzle is made, carry out the contact area of increase air and fermentation liquid, increase
Fermentation dissolved oxygen amount；But the air of the air nozzle of this kind of structure ejection can only mix with neighbouring fermentation liquid, sprays into
Air can not well drive fermentation cylinder for fermentation liquid stream to move, i.e. air mixes uniform not with the fermentation liquid in fermentation tank, leads
Cause the weak effect of ferment tank.
Summary of the invention
It is an object of the invention to for the above-mentioned problems in the prior art, it is proposed that sending out of a kind of band air sparger
Ferment tank, solves the technical problem that it is how to make the fermentation liquid in fermentation tank mix homogeneously with air.
The purpose of the present invention can be realized by following technical proposal: the fermentation tank of a kind of band air sparger, including tank
Body, described air sparger is positioned at the bottom of tank body, it is characterised in that described air sparger include necking pipe, isocon and
Nozzle, described necking pipe is fixedly connected with tank body, the enlarging shape that the upper and lower of described necking pipe is the most tapered, described isocon
Tapered shape, described isocon is fixed in the top of necking pipe, and described isocon is arranged at intervals with multiple through hole, described point
Having gap between flow tube and the top of necking pipe, the gas outlet of described nozzle is positioned in the bottom of necking pipe, and air inlet is positioned at
Outside tank body, between described nozzle and the bottom of necking pipe, there is gap.
Extraneous air enters from the air inlet implication of nozzle, is sprayed onto the fermentation liquid of tank body from the gas outlet of nozzle, reducing
Pipe is the structure being small at both ends and big in the middle, and in nozzle, the gas of ejection flows up, and fermentation liquid can be driven to flow, and fermentation liquid is from contracting
Mouthful pipe bottom enters in necking pipe, due to the enlarging shape that necking pipe bottom is tapered, enable fermentation liquid faster, more quilt
It is drawn in necking pipe, thus enables air to preferably mix with fermentation liquid, make air mix homogeneously with fermentation liquid；Point
Flow tube is tapered, and shape matches with the top of necking pipe, and has through hole on isocon, and through hole is to after mixing with air
The flowing of fermentation liquid produce the effect upset, make the flowing of fermentation liquid present scrambling, so that air and fermentation liquid energy
Enough it is sufficiently mixed, makes air mix homogeneously with fermentation liquid, be then passed through fermentation liquid mixed with air and flow up from reducing
Pipe, isocon are discharged.
In the fermentation tank of above-mentioned a kind of band air sparger, the bottom of described isocon has opening, described opening
With the gas outlet of nozzle just to setting.Nozzle goes out gas from gas outlet high velocity spray, and this gas drives fermentation liquid flowing, setting of opening
Put and make this gas can enter directly in isocon, enable the fermentation liquid entering into isocon from through hole the most random
Flowing, make that air mixes with fermentation liquid is more uniform.
In the fermentation tank of above-mentioned a kind of band air sparger, the sidewall of described isocon and the sidewall on necking pipe top
Between gap spaced set.This kind of structure, will not hinder the flowing of fermentation liquid, and the flow velocity of fermentation liquid is very fast, so that empty
Gas can contact with more fermentation liquid, makes air mix homogeneously with fermentation liquid.
In the fermentation tank of above-mentioned a kind of band air sparger, described nozzle gas outlet is positioned at necking pipe bottom near contracting
The center of mouth pipe.This kind of structure, enables fermentation liquid to enter into necking pipe from the bottom of necking pipe faster, improves fermentation
The flow velocity of liquid, so that air is sufficiently mixed with fermentation liquid, makes air mix homogeneously with fermentation liquid.
In the fermentation tank of above-mentioned a kind of band air sparger, if described air sparger also includes dry tablet, interval is arranged
A connecting piece, one end of described a connecting piece is fixedly connected with tank body, and the other end is fixedly connected with the middle part of necking pipe.First
Connecting sheet makes tank body and necking pipe be fixedly connected with, and a connecting piece is arranged in the form of sheets and vertically, will not hinder fermentation liquid
Flowing, fermentation liquid flowing is fast.
In the fermentation tank of above-mentioned a kind of band air sparger, if described air sparger also includes dry tablet, interval is arranged
The second connection sheet, the described second top connecting one end of sheet and necking pipe is fixedly connected with, and the other end is fixedly connected with isocon.The
Two connect sheet makes isocon and necking pipe be fixedly connected with, and second connects sheet is arranged in the form of sheets and vertically, will not hinder fermentation
The flowing of liquid, fermentation liquid flowing is fast.
In the fermentation tank of above-mentioned a kind of band air sparger, described second connects sheet is positioned at the top of isocon.
Second setting connecting this kind of position of sheet will not hinder the flowing of fermentation liquid, and fermentation liquid flowing is fast.
In the fermentation tank of above-mentioned a kind of band air sparger, the lateral wall of described tank body is fixed with several ultrasonic
Ripple oscillator.The dither that ultrasonic oscillator is launched can tear the bubble in fermentation liquid, makes bubble become more tiny, thus
Fermentation liquid is made to mix homogeneously with air.
In the fermentation tank of above-mentioned a kind of band air sparger, in described tank body, it is provided with several screen clothes, several
Screen cloth is respectively positioned on the top of air sparger, and the mesh number of the screen cloth being positioned at lower section is less than the mesh number of screen cloth above.Air
Being passed in fermentation liquid and can produce bubble, bubble floats up, and the setting of screen cloth makes bubble by bubble breaking when through screen cloth,
Delay the rising of bubble, make bubble residence time extend, thus beneficially bubble is shaken broken by ultrasonic oscillator, make air and send out
Ferment liquid mix homogeneously.
Compared with prior art, the fermentation tank of the band air sparger that the present invention provides has the advantage that
1, the necking pipe big at both ends and small in middle of this band air sparger, enables fermentation liquid to flow faster, so that sending out
Ferment liquid is fully contacted with air, makes fermentation liquid mix homogeneously with air.
2, this band air sparger arranges the isocon of band through hole in the top of necking pipe, and isocon upsets fermentation liquid
Flowing, the flowing making fermentation liquid is scrambling, so that fermentation liquid is fully contacted with air, makes fermentation liquid mix all with air
Even.
3, this fermentation tank arranges screen cloth in tank body, and screen cloth delays the rising of bubble, Er Qieben while smashing bubble
Fermentation tank arranges ultrasonic oscillator outside tank body, and ultrasonic oscillator shakes broken bubble, so that fermentation liquid is fully contacted with air, makes
Fermentation liquid is mixed homogeneously with air.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of this band air sparger fermentation tank.
Fig. 2 is the partial structurtes schematic diagram of this band air sparger fermentation tank.
In figure, 1, tank body；2, necking pipe；3, isocon；4, nozzle；5, through hole；6, gas outlet；7, air inlet；8, opening；
9, a connecting piece；10, second connects sheet；11, ultrasonic oscillator；12, screen cloth.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in Figure 1 and Figure 2, this fermentation tank includes tank body 1 and air sparger, and air sparger is positioned at the end of tank body 1
Portion.
Air sparger includes that necking pipe 2, isocon 3, nozzle 4, a connecting piece 9 and second connect sheet 10.
The enlarging shape that the upper and lower of necking pipe 2 is the most tapered, necking pipe 2 is the structure that big centre, two is little, this reality
Executing in example, the quantity of a connecting piece 9 is four, and four a connecting piece 9 interval is arranged, and one end of a connecting piece 9 with
Tank body 1 is fixedly connected with, and the other end is fixedly connected with the middle part of necking pipe 2, makes necking pipe 2 be fixed in tank body 1, in actual production,
The quantity of a connecting piece 9 can be three or five.
The tapered shape of isocon 3, isocon 3 is positioned in the top of necking pipe 2, on the lateral wall of isocon 3 and necking pipe 2
There is between the medial wall in portion gap, the gap spaced set between sidewall and the sidewall on necking pipe 2 top of isocon 3,
Being arranged at intervals with multiple through hole 5 on isocon 3, the bottom of isocon 3 has opening 8, and in the present embodiment, second connects sheet 10
Quantity is four, and four second connect sheet 10 interval and arrange, and second connects sheet 10 is positioned at the top of isocon 3, and second connects
One end of sheet 10 is fixedly connected with the top of necking pipe 2, and the other end is fixedly connected with isocon 3, makes isocon 3 be fixed on necking pipe 2
Top in, in actual production, second connect sheet 10 quantity can be three or five.
The gas outlet 6 of nozzle 4 is positioned at necking pipe 2 bottom center near necking pipe 2, and air inlet 7 is positioned at outside tank body 1,
The gas outlet 6 of nozzle 4 is positioned at the underface of opening 8, and gas outlet 6 and opening 8 are just to setting, the lateral wall of nozzle 4 and reducing
Between the medial wall of pipe 2 bottom, there is gap.
It is fixed with ultrasonic oscillator 11 on the lateral wall of tank body 1, in the present embodiment, in tank body 1, is provided with three screen clothes 12,
Three screen clothes 12 are respectively positioned on the top of air sparger, are positioned at the mesh number of screen cloth 12 of lower section less than screen cloth 12 above
Mesh number, in actual production, the quantity of screen cloth 12 can be four or five.
During use, being passed in tank body 1 by air by nozzle 4, air is by high velocity jet, air push fermentation liquid
Flowing, fermentation liquid from the top of necking pipe 2 flow out, enter into necking pipe 2 from the bottom of necking pipe 2, the air being passed through with send out
Ferment liquid mixes.Part with the mixed fermentation liquid of air between isocon 3 and necking pipe 2 top gap discharge, part with
The mixed fermentation liquid of air enters into isocon 3 from this gap location by through hole 5, then discharges from isocon 3, residue
Part fermentation liquid mixed with air enter at opening 8 in isocon 3, then from isocon 3 discharge, Zhou Erfu
Begin, it is achieved air and the mixing of fermentation liquid.Air is filled in fermentation liquid the bubble produced and can float up, and bubble successively passes through
During screen cloth 12, bubble can be broken into into pieces minute bubbles by screen cloth 12 from air pocket, and the startup of ultrasonic oscillator 11 can smash bubble,
Air is made to be sufficiently mixed with fermentation liquid.
Specific embodiment described herein is only to present invention spirit explanation for example.Technology neck belonging to the present invention
Described specific embodiment can be made various amendment or supplements or use similar mode to replace by the technical staff in territory
Generation, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Although the most more employing tank body 1, necking pipe 2, isocon 3, nozzle 4, through hole 5, gas outlet 6, air inlet
7, opening 8, a connecting piece 9, second connect the terms such as sheet 10, ultrasonic oscillator 11, screen cloth 12, but are not precluded from using other
The probability of term.Use these terms to be only used to more easily to describe and explain the essence of the present invention；They are explained
The restriction becoming any one additional is all contrary with spirit of the present invention.
Claims (9)
1. a fermentation tank for band air sparger, including tank body (1), described air sparger is positioned at the bottom of tank body (1), its
Being characterised by, described air sparger includes necking pipe (2), isocon (3) and nozzle (4), described necking pipe (2) and tank body
(1) it is fixedly connected with, the enlarging shape that the upper and lower of described necking pipe (2) is the most tapered, described isocon (3) tapered shape, institute
State isocon (3) to be fixed in the top of necking pipe (2), described isocon (3) is arranged at intervals with multiple through hole (5), described
Having gap between the top of isocon (3) and necking pipe (2), the gas outlet (6) of described nozzle (4) is positioned at necking pipe (2)
In bottom, air inlet (7) is positioned at tank body (1) outward, has gap between the bottom of described nozzle (4) and necking pipe (2).
The fermentation tank of a kind of band air sparger the most according to claim 1, it is characterised in that described isocon (3)
Bottom has the gas outlet (6) of opening (8), described opening (8) and nozzle (4) just to setting.
The fermentation tank of a kind of band air sparger the most according to claim 1, it is characterised in that described isocon (3)
Gap spaced set between the sidewall on sidewall and necking pipe (2) top.
The fermentation tank of a kind of band air sparger the most according to claim 1, it is characterised in that described nozzle (4) is given vent to anger
Mouth (6) is positioned at necking pipe (2) bottom center near necking pipe (2).
5. according to the fermentation tank of a kind of band air sparger described in claim 1 or 2 or 3 or 4, it is characterised in that described sky
If gas distributor also includes the spaced a connecting piece of dry tablet (9), one end of described a connecting piece (9) and tank body (1)
Being fixedly connected with, the other end is fixedly connected with the middle part of necking pipe (2).
6. according to the fermentation tank of a kind of band air sparger described in claim 1 or 2 or 3 or 4, it is characterised in that described sky
If gas distributor also includes that dry tablet spaced second connects sheet (10), described second connects one end and the necking pipe of sheet (10)
(2) top is fixedly connected with, and the other end is fixedly connected with isocon (3).
The fermentation tank of a kind of band air sparger the most according to claim 6, it is characterised in that described second connects sheet
(10) it is positioned at the top of isocon (3).
8. according to the fermentation tank of a kind of band air sparger described in claim 1 or 2 or 3 or 4, it is characterised in that described tank
Several ultrasonic oscillators (11) it are fixed with on the lateral wall of body (1).
9. according to the fermentation tank of a kind of band air sparger described in claim 1 or 2 or 3 or 4, it is characterised in that described tank
Being provided with several screen clothes (12) in body (1), several screen clothes (12) are respectively positioned on the top of air sparger, are positioned at the sieve of lower section
The mesh number of net (12) is less than the mesh number of screen cloth (12) above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610831174.1A CN106190795B (en) | 2016-09-19 | 2016-09-19 | A kind of fermentation tank with air sparger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610831174.1A CN106190795B (en) | 2016-09-19 | 2016-09-19 | A kind of fermentation tank with air sparger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106190795A true CN106190795A (en) | 2016-12-07 |
| CN106190795B CN106190795B (en) | 2018-04-17 |
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ID=58067933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610831174.1A Active CN106190795B (en) | 2016-09-19 | 2016-09-19 | A kind of fermentation tank with air sparger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106190795B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117801923A (en) * | 2023-06-28 | 2024-04-02 | 上海拜高乐生物技术有限公司 | Microbial fermentation system for escherichia coli |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6382601B1 (en) * | 1997-12-30 | 2002-05-07 | Hirofumi Ohnari | Swirling fine-bubble generator |
| CN2567228Y (en) * | 2002-07-19 | 2003-08-20 | 北京坡华生化技术有限公司 | Fluidic oxygen-dissolving apparatus |
| CN201626961U (en) * | 2010-04-26 | 2010-11-10 | 广东肇庆星湖生物科技股份有限公司 | Air distribution device |
| CN201737933U (en) * | 2010-06-28 | 2011-02-09 | 濮阳泓天威药业有限公司 | Fermentation tank with air distributor |
| CN102206575A (en) * | 2011-03-30 | 2011-10-05 | 常州三高生物技术工程设备有限公司 | Fermenter |
| CN102732417A (en) * | 2012-06-15 | 2012-10-17 | 卢行娥 | Emulsifying-type aerobic fermentation tank |
| CN202688316U (en) * | 2012-04-26 | 2013-01-23 | 浙江省天正设计工程有限公司 | Gas-liquid mixing jet device |
| CN206143204U (en) * | 2016-09-19 | 2017-05-03 | 浙江诚信医化设备有限公司 | Take air distributor's fermentation cylinder |
-
2016
- 2016-09-19 CN CN201610831174.1A patent/CN106190795B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6382601B1 (en) * | 1997-12-30 | 2002-05-07 | Hirofumi Ohnari | Swirling fine-bubble generator |
| CN2567228Y (en) * | 2002-07-19 | 2003-08-20 | 北京坡华生化技术有限公司 | Fluidic oxygen-dissolving apparatus |
| CN201626961U (en) * | 2010-04-26 | 2010-11-10 | 广东肇庆星湖生物科技股份有限公司 | Air distribution device |
| CN201737933U (en) * | 2010-06-28 | 2011-02-09 | 濮阳泓天威药业有限公司 | Fermentation tank with air distributor |
| CN102206575A (en) * | 2011-03-30 | 2011-10-05 | 常州三高生物技术工程设备有限公司 | Fermenter |
| CN202688316U (en) * | 2012-04-26 | 2013-01-23 | 浙江省天正设计工程有限公司 | Gas-liquid mixing jet device |
| CN102732417A (en) * | 2012-06-15 | 2012-10-17 | 卢行娥 | Emulsifying-type aerobic fermentation tank |
| CN206143204U (en) * | 2016-09-19 | 2017-05-03 | 浙江诚信医化设备有限公司 | Take air distributor's fermentation cylinder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117801923A (en) * | 2023-06-28 | 2024-04-02 | 上海拜高乐生物技术有限公司 | Microbial fermentation system for escherichia coli |
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| Publication number | Publication date |
|---|---|
| CN106190795B (en) | 2018-04-17 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A fermentation tank with air distributor Effective date of registration: 20230926 Granted publication date: 20180417 Pledgee: China Co. truction Bank Corp Taizhou Jiaojiang branch Pledgor: ZHEJIANG CHENGXIN PHARM & CHEM EQUIPMENT Co.,Ltd. Registration number: Y2023330002191 |
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Granted publication date: 20180417 Pledgee: China Co. truction Bank Corp Taizhou Jiaojiang branch Pledgor: ZHEJIANG CHENGXIN PHARM & CHEM EQUIPMENT Co.,Ltd. Registration number: Y2023330002191 |
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Denomination of invention: A fermentation tank with air distributor Granted publication date: 20180417 Pledgee: China Co. truction Bank Corp Taizhou Jiaojiang branch Pledgor: ZHEJIANG CHENGXIN PHARM & CHEM EQUIPMENT Co.,Ltd. Registration number: Y2024330000487 |
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