CN220887496U - Intermittent reaction kettle for preparing lactic acid from sugar-rich microalgae - Google Patents
Intermittent reaction kettle for preparing lactic acid from sugar-rich microalgae Download PDFInfo
- Publication number
- CN220887496U CN220887496U CN202322783344.1U CN202322783344U CN220887496U CN 220887496 U CN220887496 U CN 220887496U CN 202322783344 U CN202322783344 U CN 202322783344U CN 220887496 U CN220887496 U CN 220887496U
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- Prior art keywords
- barrel
- lactic acid
- sugar
- preparing lactic
- motor
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- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000004310 lactic acid Substances 0.000 title claims abstract description 24
- 235000014655 lactic acid Nutrition 0.000 title claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 35
- 238000002156 mixing Methods 0.000 claims description 13
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 17
- 238000010438 heat treatment Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 abstract description 4
- 239000002028 Biomass Substances 0.000 abstract description 3
- 101150114468 TUB1 gene Proteins 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 2
- AIJULSRZWUXGPQ-UHFFFAOYSA-N Methylglyoxal Chemical compound CC(=O)C=O AIJULSRZWUXGPQ-UHFFFAOYSA-N 0.000 description 2
- RXKJFZQQPQGTFL-UHFFFAOYSA-N dihydroxyacetone Chemical compound OCC(=O)CO RXKJFZQQPQGTFL-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000012620 biological material Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 229940120503 dihydroxyacetone Drugs 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model discloses an intermittent reaction kettle for preparing lactic acid by sugar-rich microalgae, which relates to the field of preparing lactic acid by biomass materials and comprises an outer barrel, wherein a barrel cover is arranged above the outer barrel, an inner barrel is arranged in the outer barrel, a motor is arranged below the bottom of the outer barrel, an outer helical blade is arranged on the outer side of the inner barrel, an inner helical blade is arranged in the inner barrel, a stirring shaft is fixed below the barrel cover, and the stirring shaft extends to the inside of the inner barrel. According to the utility model, the motor is arranged below the outer barrel, the motor directly drives the inner barrel to rotate, so that the inner barrel can drive hot water between the inner barrel and the outer barrel to stir when rotating, the temperature of a cooling or heating system is more uniform when being distributed up and down, the inner spiral blades on the inner wall can help microalgae at the bottom of the barrel to flow axially, radial flow is realized by matching with the fixed stirring shaft, and the temperature and the internal microalgae are more uniform when fully mixed.
Description
Technical Field
The utility model relates to the field of lactic acid preparation by biomass materials, in particular to an intermittent reaction kettle for preparing lactic acid by sugar-rich microalgae.
Background
Microalgae are a renewable biomass energy source, and the preparation of high-value chemicals as raw materials is receiving extensive attention worldwide, and as an aquatic unicellular organism, microalgae can rapidly synthesize carbon dioxide into self organisms through photosynthesis, and novel microalgae which have a growth rate, are genetically stable and are rich in carbohydrates can be cultivated by using modern biotechnology.
The novel microalgae rich in sugar is suitable for preparing lactic acid, a reaction kettle is needed to be used in the preparation process, intermediate products prepared from lactic acid such as dihydroxyacetone, methylglyoxal and glycerol are selected and added into the reaction kettle, so that the reaction for preparing lactic acid by the microalgae is carried out through hydrothermal catalytic conversion of the sugar-rich microalgae, a good growth reaction environment is provided for preparing lactic acid by the microalgae, the reaction kettle is used as most common reaction equipment in the chemical industry and mainly comprises a stirring system and a cooling or heating system, the temperature of the reaction kettle needs to be strictly controlled when a product processed by the reaction kettle is prepared, and the speed of the stirring system is required, the aim is to ensure that the internal temperature is uniform, most of the reaction kettles used at present are inner jackets and outer jackets, cooling or heating systems are arranged between the jackets, the inner jackets are tools used for reaction, and stirring shafts driven by motors are arranged in the inner jackets and are used for mixing substances in the reaction kettle.
In order to make the reation kettle be heated more evenly among the prior art, can reform transform the stirring head of (mixing) shaft for the material in the endotheca is in radial and axial flow more abundant, in order to obtain more even temperature from heating system, prevent that local temperature from being too high, influence the preparation result, but the reation kettle reaches the mixed purpose through the mode of rotating the (mixing) shaft when preparing some chemicals, the difference of (mixing) shaft helps improving the efficiency of mixing, but the initiative stirring is liable to cause the destruction to some biological materials, and heating system adds hot water from the top and discharges from the below through condensation heat transfer, some great reation kettle of volume can have the difference in temperature from top to bottom, if the endotheca in the reation kettle can rotate, drive the stirring to inside biological product, and stir the heated water between the inside and outside jacket, can make the transmission of temperature more even.
Disclosure of utility model
Based on the above, the utility model aims to provide a batch reactor for preparing lactic acid by using sugar-rich microalgae, so as to solve the technical problems mentioned in the background.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sugar-rich microalgae prepares intermittent type reation kettle for lactic acid, includes outer bucket, the top of outer bucket is provided with the bung, and the internally mounted of outer bucket has interior bucket to the bottom below of outer bucket is provided with the motor, the outside of interior bucket is provided with outer helical blade, and the inside of interior bucket is provided with interior helical blade, the below of bung is fixed with the (mixing) shaft, and the (mixing) shaft extends to the inside of interior bucket.
Through adopting above-mentioned technical scheme, through setting up outer helical blade for interior bucket can stir the hot water that distributes between interior bucket and the outer bucket in the pivoted, make hydrothermal temperature more even.
The utility model is further arranged that the output end of the motor extends to the inside of the outer barrel and is fixedly connected with the bottom of the inner barrel, and the installation position of the output end of the motor and the outer barrel adopts mechanical seal.
Through adopting above-mentioned technical scheme, through setting up the motor in the bottom of outer bucket for the motor can drive interior bucket and rotate.
The utility model is further characterized in that a sealing bearing is arranged between the upper outer side of the inner barrel and the outer barrel.
Through adopting above-mentioned technical scheme, through installing sealed bearing between the top outside of interior bucket and the outer bucket for the installation between interior bucket and the outer bucket is more stable.
The utility model is further arranged that a heat inlet is arranged on one side above the outer barrel, and a condensation port is arranged on one side below the outer barrel.
Through adopting above-mentioned technical scheme, through setting up into hot mouth and condensation mouth for heating system can cyclic heating.
The utility model is further characterized in that a feed inlet is arranged above the barrel cover, and a discharge outlet is arranged on one side of the feed inlet above the barrel cover.
Through adopting above-mentioned technical scheme, through setting up the feed inlet for can add the material to interior bucket at the in-process of reaction, set up the discharge gate and can extract the lactic acid that the inside preparation was accomplished through the pump of extraction.
The utility model further provides that a plurality of groups of stirring heads are arranged above the stirring shaft.
Through adopting above-mentioned technical scheme, through setting up multiunit stirring head on the (mixing) shaft, because the (mixing) shaft is motionless, when interior bucket drove little algae pivoted for multiunit stirring head can all be to the little algae relative stirring on the different space layers.
In summary, the utility model has the following advantages:
According to the utility model, the motor is arranged below the outer barrel, the inner barrel is directly driven to rotate by the motor, the outer helical blades and the inner helical blades are respectively arranged on the inner wall and the outer wall of the inner barrel, so that the inner barrel can drive hot water between the inner barrel and the outer barrel to stir when rotating, the temperature of a cooling or heating system is more uniform when being distributed up and down, the inner helical blades on the inner wall can help microalgae at the bottom of the barrel to axially flow, radial flow is realized by matching with a fixed stirring shaft, and the temperature is more uniform when the temperature and the microalgae inside are fully mixed.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a perspective view of the inner tub of the present utility model;
fig. 4 is a partial schematic view of the present utility model.
In the figure: 1. an outer tub; 2. a barrel cover; 3. an inner barrel; 4. a motor; 5. sealing the bearing; 6. an outer helical blade; 7. an inner helical blade; 8. a stirring shaft; 9. a heat inlet; 10. a condensing port; 11. a feed inlet; 12. and a discharge port.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.
The utility model provides a sugar-rich microalgae prepares intermittent type reation kettle for lactic acid, as shown in fig. 1, fig. 2 and fig. 3, including outer bucket 1, the top of outer bucket 1 is provided with bung 2, and the internally mounted of outer bucket 1 has interior bucket 3, and the bottom below of outer bucket 1 is provided with motor 4, the outside of interior bucket 3 is provided with outer helical blade 6, and the inside of interior bucket 3 is provided with interior helical blade 7, the below of bung 2 is fixed with (mixing) shaft 8, and (mixing) shaft 8 extends to the inside of interior bucket 3, when reation kettle utilizes the microalgae to prepare lactic acid, add the material through feed inlet 11 earlier, then driving motor 4 drives interior bucket 3 rotatory, add hot water through inlet 9 this moment, make hot water be full of between interior bucket 3 and the outer bucket 1, make outer helical blade 6 stir hot water when interior bucket 3 rotates, hot water is because of physical phenomenon when standing, the low temperature can distribute in the bottom, the effect through outer helical blade 6, make the temperature of hot water more even on spatial distribution, and the inside helical blade 7 of interior bucket 3 can be evenly mix the inside in the inside of interior bucket 7 and take out the heat exchange well in the radial direction and take out the inside the same time through the stirring shaft 12, can both take out the inside the heat exchange well in the inside the interior bucket 3 and take out the inside the spiral blade through the inside the stirring shaft when the inside of the inner bucket is fully.
Referring to fig. 1 and 2, the output end of the motor 4 extends to the inside of the outer tub 1 and is fixedly connected with the bottom of the inner tub 3, and the installation position of the output end of the motor 4 and the outer tub 1 adopts mechanical seal, and the motor 4 is arranged at the bottom of the outer tub 1, so that the motor 4 can drive the inner tub 3 to rotate.
Referring to fig. 2, a sealing bearing 5 is installed between the upper outer side of the inner tub 3 and the sealing bearing 5, so that the installation between the inner tub 3 and the outer tub 1 is more stable by installing the sealing bearing 5 between the upper outer side of the inner tub 3 and the outer tub 1.
Referring to fig. 1, a heat inlet 9 is provided on one side above the outer tub 1, and a condensation port 10 is provided on one side below the outer tub 1, so that the heating system can be circularly heated by providing the heat inlet 9 and the condensation port 10.
Referring to fig. 1, a feed inlet 11 is disposed above the barrel cover 2, and a discharge outlet 12 is disposed above the barrel cover 2 and on one side of the feed inlet 11, so that materials can be added to the inner barrel 3 during the reaction process by disposing the feed inlet 11, and the discharge outlet 12 can extract the lactic acid prepared by the extraction pump.
Referring to fig. 4, a plurality of groups of stirring heads are arranged above the stirring shaft 8, and by arranging a plurality of groups of stirring heads on the stirring shaft 8, the stirring shaft 8 is fixed, so that when the inner barrel 3 drives microalgae to rotate, the plurality of groups of stirring heads can relatively stir the microalgae on different space layers.
The working principle of the utility model is as follows: when the reaction kettle is used for preparing lactic acid by utilizing microalgae, materials are added through the feed inlet 11, then the driving motor 4 drives the inner barrel 3 to rotate, hot water is added through the heat inlet 9 at the moment, the hot water is filled between the inner barrel 3 and the outer barrel 1, the outer helical blades 6 stir the hot water when the inner barrel 3 rotates, the hot water is kept still due to physical phenomenon, the low temperature can be distributed at the bottom, the high temperature is higher, the temperature of the hot water is more uniform in space distribution through the effect of the outer helical blades 6, at the moment, part of microalgae in the inner wall of the inner barrel 3 can be turned upwards by the inner helical blades 7, the stirring shaft 8 is driven to uniformly stir the microalgae in the axial direction and the radial direction, the temperature of the hot water can be more sufficient and uniform when the hot water exchanges heat, and the prepared lactic acid can be extracted by utilizing the extracted pump body through the discharge hole 12.
Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.
Claims (6)
1. The intermittent reaction kettle for preparing lactic acid by using the sugar-rich microalgae comprises an outer barrel (1), and is characterized in that: the top of outer bucket (1) is provided with bung (2), and the internally mounted of outer bucket (1) has interior bucket (3) to the bottom below of outer bucket (1) is provided with motor (4), the outside of interior bucket (3) is provided with outer helical blade (6), and the inside of interior bucket (3) is provided with interior helical blade (7), the below of bung (2) is fixed with (mixing) shaft (8), and (mixing) shaft (8) extend to the inside of interior bucket (3).
2. The batch reactor for preparing lactic acid by using sugar-rich microalgae according to claim 1, and is characterized in that: the output end of the motor (4) extends to the inside of the outer barrel (1) and is fixedly connected with the bottom of the inner barrel (3), and the installation position of the output end of the motor (4) and the outer barrel (1) is mechanically sealed.
3. The batch reactor for preparing lactic acid by using sugar-rich microalgae according to claim 1, and is characterized in that: a sealing bearing (5) is arranged between the upper outer side of the inner barrel (3) and the outer barrel (1).
4. The batch reactor for preparing lactic acid by using sugar-rich microalgae according to claim 1, and is characterized in that: a heat inlet (9) is arranged on one side above the outer barrel (1), and a condensation port (10) is arranged on one side below the outer barrel (1).
5. The batch reactor for preparing lactic acid by using sugar-rich microalgae according to claim 1, and is characterized in that: a feed inlet (11) is arranged above the barrel cover (2), and a discharge outlet (12) is arranged on one side of the barrel cover (2) above the feed inlet (11).
6. The batch reactor for preparing lactic acid by using sugar-rich microalgae according to claim 1, and is characterized in that: the stirring heads above the stirring shafts (8) are provided with a plurality of groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322783344.1U CN220887496U (en) | 2023-10-17 | 2023-10-17 | Intermittent reaction kettle for preparing lactic acid from sugar-rich microalgae |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322783344.1U CN220887496U (en) | 2023-10-17 | 2023-10-17 | Intermittent reaction kettle for preparing lactic acid from sugar-rich microalgae |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220887496U true CN220887496U (en) | 2024-05-03 |
Family
ID=90838668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322783344.1U Active CN220887496U (en) | 2023-10-17 | 2023-10-17 | Intermittent reaction kettle for preparing lactic acid from sugar-rich microalgae |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220887496U (en) |
-
2023
- 2023-10-17 CN CN202322783344.1U patent/CN220887496U/en active Active
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