CN115839605A - Strain dry powder preparation device and preparation process thereof - Google Patents
Strain dry powder preparation device and preparation process thereof Download PDFInfo
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- CN115839605A CN115839605A CN202211629947.XA CN202211629947A CN115839605A CN 115839605 A CN115839605 A CN 115839605A CN 202211629947 A CN202211629947 A CN 202211629947A CN 115839605 A CN115839605 A CN 115839605A
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- freeze
- drying
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- drying bottle
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- 239000000843 powder Substances 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 238000004108 freeze drying Methods 0.000 claims abstract description 147
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000007710 freezing Methods 0.000 claims abstract description 11
- 230000008014 freezing Effects 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 238000005119 centrifugation Methods 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 6
- 239000013076 target substance Substances 0.000 claims description 15
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 9
- 230000001954 sterilising effect Effects 0.000 claims description 8
- 238000004659 sterilization and disinfection Methods 0.000 claims description 7
- 239000011324 bead Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 239000011550 stock solution Substances 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000013049 sediment Substances 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 230000001580 bacterial effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000003306 harvesting Methods 0.000 abstract description 6
- 230000010355 oscillation Effects 0.000 abstract description 3
- 238000009777 vacuum freeze-drying Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of freeze-drying, in particular to a strain dry powder preparation device and a preparation process thereof, wherein the device comprises a freeze-drying bottle, a bottle cap arranged at an upper port of the freeze-drying bottle, an air inlet pipe, an air outlet pipe and a freeze-drying machine connecting pipe, wherein one end of each of the bottle cap, the air inlet pipe, the air outlet pipe and the freeze-drying machine connecting pipe penetrates through the bottle cap and extends downwards to an inner cavity of the freeze-drying bottle, one end of the air inlet pipe is close to the bottom of the inner cavity of the freeze-drying bottle, the freeze-drying machine connecting pipe is externally connected with a multi-manifold vacuum freeze-drying machine, and the preparation of strain dry powder is realized through the process steps of freeze-drying bottle nitrogen replacement, freeze-drying raw material liquid filling, centrifugation, centrifugal liquid treatment, uniform oscillation, pre-freezing, freeze-drying terminal point judgment, harvesting and the like; secondly, the process is simple in flow and short in freeze-drying time, the outside air can be effectively prevented from entering and polluting freeze-dried substances in the operation process, and the freeze-dried bottles can be directly stored for later use after harvesting, so that the use is convenient.
Description
Technical Field
The invention relates to the technical field of freeze-drying, in particular to a strain dry powder preparation device and a strain dry powder preparation process.
Background
The ethanol preparation by industrial tail gas fermentation is a high and new technology, the strain preparation and use process is strictly anaerobic, and the commercial application of strain dry powder depends on import at present. In order to solve this problem, it is highly desirable to develop a method for preparing dry bacterial powder.
Disclosure of Invention
The invention mainly aims to provide a strain dry powder preparation device and a preparation process thereof, and aims to solve the technical problems.
In order to achieve the above object, in one aspect, the present invention provides a strain dry powder preparation apparatus, which includes a freeze-drying bottle, a bottle cap disposed at an upper port of the freeze-drying bottle, an air inlet pipe, an air outlet pipe, and a freeze-dryer connecting pipe, wherein one end of the bottle cap, the air inlet pipe, the air outlet pipe, and the freeze-dryer connecting pipe passes through the bottle cap and extends downward into an inner cavity of the freeze-drying bottle, and one end of the air inlet pipe is close to the bottom of the inner cavity of the freeze-drying bottle, and the freeze-dryer connecting pipe is used for externally connecting a multi-manifold vacuum freeze dryer.
Optionally, the air outlet pipe and one end of the freeze dryer connecting pipe close to the freeze-drying bottle are both located at the bottle cap.
Optionally, the freeze dryer connecting tube is a rigid tube.
In a second aspect, the invention provides a strain dry powder preparation process, which comprises the following steps:
high-temperature sterilization operation, which comprises filling a plurality of glass beads into a freeze-drying bottle and then performing high-temperature sterilization on the freeze-drying bottle;
the raw liquid filling operation comprises stopping introducing nitrogen, filling freeze-drying raw liquid into the freeze-drying bottle through the air inlet pipe, and balancing the pressure in the freeze-drying bottle through the air outlet pipe;
performing centrifugation operation, namely placing the freeze-drying bottle on an external table centrifuge, and performing high-speed rotation centrifugation to separate a freeze-drying target substance from liquid, wherein the freeze-drying target substance is gathered at the low-sediment bottom of the freeze-drying bottle;
opening a bottle cap to pour out the upper liquid in the freeze-drying bottle, and then tightly covering the bottle cap;
uniformly shaking the freeze-drying bottle, and then placing the freeze-drying bottle in a refrigerator at the temperature of below-20 ℃ for freezing to freeze and solidify substances in the freeze-drying bottle, wherein the freeze-drying bottle needs to be taken out and shaken periodically in the early stage of freezing;
connecting a manifold interface of a multi-manifold vacuum freeze dryer with a freeze dryer connecting pipe, and carrying out freeze-drying treatment on a target substance in a freeze-drying bottle;
under the condition that the temperature of the outer wall of three or more freeze-drying bottles is randomly detected to be consistent with the ambient temperature and lasts for more than 24 hours by using a temperature measuring gun, judging that the target substance in the freeze-drying bottles is dried, and finishing the freeze-drying treatment;
and (3) putting the target substance in the freeze-drying bottle into a target container, or taking out the plurality of glass beads in the freeze-drying bottle by using sterile forceps.
Optionally, between the high-temperature sterilization operation and the stock solution filling operation, further comprising:
nitrogen gas replacement operation, including opening simultaneously intake pipe and outlet duct, through the intake pipe to let in aseptic nitrogen gas in the freeze-drying bottle, will through the outlet duct original air escape in the freeze-drying bottle, and then the realization will air replacement in the freeze-drying bottle is nitrogen gas, guarantees no oxygen exists in the freeze-drying bottle.
Optionally, the filling of the freeze-drying raw material liquid into the freeze-drying bottle through the air inlet pipe includes:
and calculating the filling amount in the freeze-drying bottle through the reading change on an electronic scale arranged below the freeze-drying bottle.
Optionally, the filling of the freeze-drying raw material liquid into the freeze-drying bottle through the air inlet pipe includes:
under the condition that the freeze-drying bottle is made of transparent materials, the filling amount of the freeze-drying raw material liquid is calculated through scales on the bottle body of the freeze-drying bottle.
The invention provides a strain dry powder preparation process based on a strain dry powder preparation device, which realizes the preparation of strain dry powder through the process steps of nitrogen replacement of a freeze-drying bottle, filling of freeze-drying raw material liquid, centrifugation, treatment of centrifugate, uniform oscillation, pre-freezing, freeze-drying, judgment of freeze-drying end points, harvesting and the like;
secondly, the process is simple in flow and short in freeze-drying time, the outside air can be effectively prevented from entering and polluting freeze-dried substances in the operation process, and the freeze-dried bottles can be directly stored for later use after harvesting, so that the use is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a device for preparing strain dry powder according to an embodiment of the present invention.
The identification means: 1-freeze-drying bottle, 2-bottle cap, 3-air inlet pipe, 4-air outlet pipe and 5-freeze dryer connecting pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise explicitly stated or limited, the terms "connected", "fixed", and the like are to be understood broadly, for example, "fixed" may be fixedly connected, may be detachably connected, or may be integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Example 1
As shown in fig. 1, the present embodiment provides a strain dry powder preparation apparatus, which includes a freeze-drying bottle 1, a bottle cap 2 disposed at an upper port of the freeze-drying bottle 1, an air inlet tube 3, an air outlet tube 4, and a freeze-drying machine connecting tube 5, wherein one end of each of the bottle cap 2, the air inlet tube 3, the air outlet tube 4, and the freeze-drying machine connecting tube 5 passes through the bottle cap 2 and extends downward into an inner cavity of the freeze-drying bottle 1, and one end of the air inlet tube 3 is close to the bottom of the inner cavity of the freeze-drying bottle 1, and the freeze-drying machine connecting tube 5 is used for externally connecting a multi-manifold vacuum freeze-drying machine; namely, the air inlet pipe 3 extends to a position close to the lower part of the freeze-drying bottle 1, and the air outlet pipe 4 and the freeze-drying machine connecting pipe 5 extend or slightly extend to the interior of the freeze-drying bottle 1 near the bottle cap;
one ends of the air outlet pipe 4 and the freeze dryer connecting pipe 5, which are close to the freeze-drying bottle 1, are both positioned at the bottle cap 2; the freeze dryer connecting tube 5 is a hard tube for preventing the tube from being shrunken during the freeze drying vacuum-pumping stage.
Example 2
The embodiment is based on embodiment 1, and is used for providing a strain dry powder preparation process, which comprises the following steps:
s1, performing high-temperature sterilization operation, namely filling a plurality of glass beads into a freeze-drying bottle 1, and then performing high-temperature sterilization on the freeze-drying bottle;
s2, stock solution filling operation, which comprises stopping introducing nitrogen, filling freeze-drying stock solution into the freeze-drying bottle 1 through the air inlet pipe 3, and balancing the pressure in the freeze-drying bottle 1 through the air outlet pipe 4;
s3, performing centrifugal operation, namely placing the freeze-drying bottle 1 on an external table type centrifugal machine, and performing high-speed rotation centrifugation to separate a freeze-drying target substance from liquid, wherein the freeze-drying target substance is gathered at the low-sediment bottom of the freeze-drying bottle;
s4, opening a bottle cap 2 to pour out the upper liquid in the freeze-drying bottle 1, and then tightly covering the bottle cap 2;
s5, uniformly shaking the freeze-drying bottle 1, and then placing the freeze-drying bottle 1 in a refrigerator below-20 ℃ for freezing to freeze and solidify substances in the freeze-drying bottle 1, wherein in the early freezing stage, the freeze-drying bottle 1 needs to be taken out periodically for shaking, specifically, in the early pre-freezing stage, the freeze-drying bottle 1 is taken out periodically for shaking to prevent the internal substances from being gathered again due to gravity, and meanwhile, the pre-freezing can be effectively prevented, and the internal substances are further metabolized or reacted in the freeze-drying process;
s6, connecting a manifold connector of the multi-manifold vacuum freeze dryer with a freeze dryer connecting pipe 5, and freeze-drying the target substance in the freeze-drying bottle 1;
s7, under the condition that the temperature of the outer wall of the freeze-drying bottle 1 with three or more points is randomly detected to be consistent with the ambient temperature and lasts for more than 24 hours by using a temperature measuring gun, judging that the target substance in the freeze-drying bottle 1 is dried, and finishing freeze-drying treatment;
and S8, putting the target substance in the freeze-drying bottle 1 into a target container, or taking out a plurality of glass beads in the freeze-drying bottle 1 by using sterile forceps.
According to the strain dry powder preparation process based on the strain dry powder preparation device, the strain dry powder preparation is realized through the process steps of nitrogen replacement of a freeze-drying bottle 1, filling of freeze-drying raw material liquid, centrifugation, treatment of centrifugate, uniform oscillation, pre-freezing, freeze-drying, judgment of freeze-drying end points, harvesting and the like; secondly, the process is simple in flow and short in freeze-drying time, the outside air can be effectively prevented from entering and polluting freeze-dried substances in the operation process, and the freeze-dried bottles can be directly stored for later use after harvesting, so that the use is convenient.
Between step S1 and step S2, the method may further include:
nitrogen gas replacement operation, including opening simultaneously intake pipe 3 and outlet duct 4, through intake pipe 3 to let in aseptic nitrogen gas in the freeze-drying bottle 1, will through outlet duct 4 original air escape in the freeze-drying bottle 1, and then the realization will air replacement in the freeze-drying bottle 1 is nitrogen gas, guarantees no oxygen exists in the freeze-drying bottle 1.
Next, there are two methods for controlling the filling amount of the freeze-drying raw material liquid in step S2:
the first method is to calculate the filling amount in the lyophilization flask 1 by the change of the reading on the electronic scale arranged below the lyophilization flask 1.
The second method comprises the following steps: under the condition that the freeze-drying bottle 1 is made of transparent materials, the filling amount of the freeze-drying raw material liquid is calculated through the scales on the bottle body of the freeze-drying bottle 1.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a strain dry powder preparation facilities, a serial communication port, the device includes freeze-drying bottle (1), locates bottle lid (2), intake pipe (3), outlet duct (4) and freeze-dryer connecting pipe (5) of port on freeze-drying bottle (1), wherein, the one end of bottle lid (2), intake pipe (3), outlet duct (4) and freeze-dryer connecting pipe (5) is all passed bottle lid (2) downwardly extending extremely in the inner chamber of freeze-drying bottle (1), just the one end of intake pipe (3) is close to the inner chamber bottom of freeze-drying bottle (1), freeze-dryer connecting pipe (5) are used for external manifold vacuum freeze-dryer.
2. The device for preparing strain dry powder according to claim 1, wherein the air outlet pipe (4) and the end of the freeze dryer connecting pipe (5) close to the freeze drying bottle (1) are both located at the bottle cap (2).
3. The apparatus for preparing dried strain powder according to claim 2, wherein the freeze dryer connecting tube (5) is a rigid tube.
4. A strain dry powder preparation process is characterized by comprising the following steps:
high-temperature sterilization operation, which comprises filling a plurality of glass beads into the freeze-drying bottle (1) and then sterilizing the freeze-drying bottle at high temperature;
the stock solution filling operation comprises stopping nitrogen introduction, filling freeze-drying stock solution into the freeze-drying bottle (1) through the air inlet pipe (3), and balancing the pressure in the freeze-drying bottle (1) through the air outlet pipe (4);
a centrifugation operation, which comprises placing the freeze-drying bottle (1) on an external table centrifuge, and carrying out high-speed rotation centrifugation to separate the freeze-drying target substance from the liquid, wherein the freeze-drying target substance is gathered at the low-sediment bottom of the freeze-drying bottle;
opening a bottle cap (2) to pour out the upper liquid in the freeze-drying bottle (1), and then tightly covering the bottle cap (2);
uniformly shaking the freeze-drying bottle (1), and then placing the freeze-drying bottle (1) in a refrigerator at the temperature of below-20 ℃ for freezing to freeze and solidify substances in the freeze-drying bottle (1), wherein the freeze-drying bottle (1) needs to be taken out and shaken periodically in the early stage of freezing;
connecting a manifold interface of a multi-manifold vacuum freeze dryer with a freeze dryer connecting pipe (5), and carrying out freeze drying treatment on a target substance in the freeze drying bottle (1);
under the condition that the temperature of the outer wall of three or more than three freeze-drying bottles (1) is randomly detected to be consistent with the ambient temperature and lasts for more than 24 hours by using a temperature measuring gun, the target substance in the freeze-drying bottles (1) is judged to be dried, and the freeze-drying treatment is finished;
and (3) putting the target substance in the freeze-drying bottle (1) into a target container, or taking out a plurality of glass beads in the freeze-drying bottle (1) by using sterile forceps.
5. The process for preparing a dried bacterial powder according to claim 4, wherein between the high-temperature sterilization operation and the stock solution filling operation, the process further comprises:
nitrogen gas replacement operation, including opening simultaneously intake pipe (3) and outlet duct (4), through intake pipe (3) to let in aseptic nitrogen gas in freeze-drying bottle (1), will through outlet duct (4) original air escape in freeze-drying bottle (1), and then the realization will air replacement in freeze-drying bottle (1) is nitrogen gas, guarantees no oxygen exists in freeze-drying bottle (1).
6. The preparation process of strain dry powder according to claim 5, wherein the step of filling the freeze-drying raw material liquid into the freeze-drying bottle (1) through the air inlet pipe (3) comprises the following steps:
and calculating the filling amount in the freeze-drying bottle (1) through the reading change on an electronic scale arranged below the freeze-drying bottle (1).
7. The preparation process of strain dry powder according to claim 5, wherein the filling of the freeze-drying raw material liquid into the freeze-drying bottle (1) through the air inlet pipe (3) comprises:
under the condition that the freeze-drying bottle (1) is made of transparent materials, the filling amount of the freeze-drying raw material liquid is calculated through scales on the bottle body of the freeze-drying bottle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211629947.XA CN115839605A (en) | 2022-12-19 | 2022-12-19 | Strain dry powder preparation device and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211629947.XA CN115839605A (en) | 2022-12-19 | 2022-12-19 | Strain dry powder preparation device and preparation process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115839605A true CN115839605A (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211629947.XA Pending CN115839605A (en) | 2022-12-19 | 2022-12-19 | Strain dry powder preparation device and preparation process thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201218645Y (en) * | 2008-03-11 | 2009-04-08 | 北京天利联合科技有限公司 | Externally hung branch manifold of lamination pre-freezing type freeze drying machine |
| CN203454648U (en) * | 2013-07-17 | 2014-02-26 | 森田化工(张家港)有限公司 | Drying device of chemical materials |
| CN110156523A (en) * | 2019-06-24 | 2019-08-23 | 甄随意 | A kind of preparation method of biologic compound fertilizer |
| WO2020097710A1 (en) * | 2018-11-14 | 2020-05-22 | JÚNIOR, Edmar Maciel Lima | Method for obtaining freeze-dried animal skin, freeze-dried animal skin, use thereof and kit |
| CN112779195A (en) * | 2021-03-24 | 2021-05-11 | 湖南农业大学 | Lactobacillus freeze separation and dry powder preparation process |
| CN213747557U (en) * | 2020-12-14 | 2021-07-20 | 松源华兴（涿州）干燥设备有限公司 | Centrifuging tube holds device for freeze dryer |
-
2022
- 2022-12-19 CN CN202211629947.XA patent/CN115839605A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201218645Y (en) * | 2008-03-11 | 2009-04-08 | 北京天利联合科技有限公司 | Externally hung branch manifold of lamination pre-freezing type freeze drying machine |
| CN203454648U (en) * | 2013-07-17 | 2014-02-26 | 森田化工(张家港)有限公司 | Drying device of chemical materials |
| WO2020097710A1 (en) * | 2018-11-14 | 2020-05-22 | JÚNIOR, Edmar Maciel Lima | Method for obtaining freeze-dried animal skin, freeze-dried animal skin, use thereof and kit |
| CN110156523A (en) * | 2019-06-24 | 2019-08-23 | 甄随意 | A kind of preparation method of biologic compound fertilizer |
| CN213747557U (en) * | 2020-12-14 | 2021-07-20 | 松源华兴（涿州）干燥设备有限公司 | Centrifuging tube holds device for freeze dryer |
| CN112779195A (en) * | 2021-03-24 | 2021-05-11 | 湖南农业大学 | Lactobacillus freeze separation and dry powder preparation process |
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