CN219836516U - Vitamin C intermediate spiral continuous conversion device - Google Patents
Vitamin C intermediate spiral continuous conversion device Download PDFInfo
- Publication number
- CN219836516U CN219836516U CN202321370607.XU CN202321370607U CN219836516U CN 219836516 U CN219836516 U CN 219836516U CN 202321370607 U CN202321370607 U CN 202321370607U CN 219836516 U CN219836516 U CN 219836516U
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- CN
- China
- Prior art keywords
- heating pipe
- spiral
- tank body
- vitamin
- pipe
- 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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- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 title claims abstract description 36
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 34
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 229930003268 Vitamin C Natural products 0.000 title claims abstract description 18
- 235000019154 vitamin C Nutrition 0.000 title claims abstract description 18
- 239000011718 vitamin C Substances 0.000 title claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 58
- 239000000463 material Substances 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000002425 crystallisation Methods 0.000 claims abstract description 6
- 230000008025 crystallization Effects 0.000 claims abstract description 6
- 238000011084 recovery Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 15
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 claims description 12
- 230000001502 supplementing effect Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003756 stirring Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 208000012839 conversion disease Diseases 0.000 description 4
- 230000032050 esterification Effects 0.000 description 4
- 238000005886 esterification reaction Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- RGHNJXZEOKUKBD-QTBDOELSSA-N L-gulonic acid Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)C(O)=O RGHNJXZEOKUKBD-QTBDOELSSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- PPASLZSBLFJQEF-RXSVEWSESA-M sodium-L-ascorbate Chemical compound [Na+].OC[C@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RXSVEWSESA-M 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model relates to a vitamin C intermediate spiral continuous conversion device, which at least comprises two vertical reactors connected with each other, wherein each vertical reactor comprises a circular tank body and a spiral heating pipe, the circular tank body is vertically arranged, the spiral heating pipe is sleeved in the circular tank body, the upper port of the spiral heating pipe is connected with a material inlet of the circular tank body, the lower end of the spiral heating pipe is connected with a material outlet, the material outlet is connected with a material inlet of another vertical reactor through a conveying pipeline, the conveying pipeline is provided with a conveying pump, and the material outlet of the other vertical reactor is provided with a recovery pipeline connected with a crystallization tank; the device's mixed material can carry out water bath heating while spiral collision mixes in spiral heating pipe, and spiral heating pipe has increased the area of contact when mixed material water bath, and the heating conversion rate is faster, can not cause the influence to the quality of material because of long-time high temperature heating to need not large-scale agitated vessel and mix the stirring, can reduce production energy consumption by a wide margin.
Description
Technical Field
The utility model relates to the field of vitamin C production equipment, in particular to a vitamin C intermediate spiral continuous conversion device.
Background
In the vitamin C production process, the fermentation extract gulonic acid is required to be esterified and converted to produce vitamin C sodium salt, and the vitamin C sodium salt is subjected to ion exchange to obtain the vitamin C. The conversion process is that the esterification liquid of gulonic acid is kept at 65 ℃ in the reaction kettle by heating, and the mixed liquid of methanol and sodium carbonate is continuously added for reaction, the reaction process needs about 2.5 hours, and the whole reaction process reaches 4 hours after the feeding and discharging of the reaction kettle, and the reaction process needs steam to be directly heated, wherein the sodium salt of vitamin C is a thermosensitive material, the long-time high-temperature steam heating can influence the quality of the material, and the power of a stirring device in the reaction kettle is larger, and the energy consumption is higher.
Disclosure of Invention
In order to solve the problems, the utility model provides a vitamin C intermediate spiral continuous conversion device.
The technical scheme of the utility model is as follows:
the utility model provides a vitamin C intermediate spiral continuous conversion device, the device includes two vertical reactors of interconnect at least, vertical reactor includes circular jar body and spiral heating pipe, circular jar body vertical arrangement, spiral heating pipe suit is in circular jar body, spiral heating pipe's both ends are close to the both ends of circular jar body, spiral heating pipe's upper port is connected with the material entry of circular jar body, be equipped with certain interval between spiral heating pipe and the inside wall of circular jar body, the lower extreme is connected with the material exit linkage, this material exit passes through the material entry linkage of pipeline with another vertical reactor to be equipped with the delivery pump on the pipeline, another vertical reactor's material exit is equipped with the recovery pipeline who is connected with the crystallization jar, be equipped with the delivery pump on the recovery pipeline.
Preferably, the outer side wall of the circular tank body is uniformly wound with steam heating pipes extending to two ends of the circular tank body, and the steam heating pipes are circular pipes.
Preferably, the steam heating pipe is provided with a plurality of steam inlet pipes at equal intervals, and is uniformly provided with a plurality of steam outlet pipes, and the steam inlet pipes and the steam outlet pipes are respectively provided with a valve.
Preferably, an overflow pipe for judging the internal water level is arranged at the upper port part of the circular tank body.
Preferably, a mixer is arranged above the material inlet of the spiral heating pipe, an outlet of the mixer corresponds to the material inlet, the esterification liquid conveying pipe and the sodium methoxide mixed liquid conveying pipe are connected into the mixer, and valves are arranged on the esterification liquid conveying pipe and the sodium methoxide mixed liquid conveying pipe.
Preferably, the upper port of the round tank body is provided with a water supplementing pipe connected with the water tank.
Preferably, the material inlet of the spiral heating pipe is in a conical funnel shape, and the lower end of the material inlet of the conical funnel is connected with the spiral heating pipe.
The beneficial technical effects of the utility model are as follows:
(1) According to the device, mixed materials of the neutral reactor enter the spiral heating pipe from the material inlet and flow downwards, the circular tank body is used for adding hot water to heat the spiral heating pipe in a water bath, the mixed materials can be collided and mixed in the spiral heating pipe in a spiral manner, the spiral heating pipe can play a role in protecting the materials, the contact area of the mixed materials in the water bath is increased, the heating conversion speed is faster, the influence on the quality of the materials due to long-time high-temperature heating is avoided, and large stirring equipment is not needed for mixing and stirring, so that the production energy consumption can be greatly reduced.
(2) The mixed materials of the device enter another vertical reactor for secondary conversion after primary conversion, so that the conversion reaction is more thorough, and the product quality is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of a portion of a vertical reactor.
In the figure, the reactor is vertical 01, circular tank 11, material inlet 112, material outlet 12, spiral heating pipe 13, conveying pipe 14, conveying pump 15, recovery pipe 17, mixer 171, esterified liquid conveying pipe 172, sodium methoxide mixed liquid conveying pipe 18, overflow pipe 19, water supplementing pipe 20, exhaust pipe 21, steam heating pipe 211, steam inlet pipe 212 and steam outlet pipe.
Detailed Description
Referring to fig. 1-2 of the drawings, a vitamin C intermediate spiral continuous conversion device is disclosed, the device at least comprises two interconnected vertical reactors 01, the vertical reactors 01 comprise a circular tank 11 and a spiral heating pipe 12, the circular tank 11 is vertically arranged, a support is arranged at the lower end of the circular tank 11, the circular tank 11 is installed on the ground through the support, an exhaust pipe 20 is arranged at the upper end of the circular tank 11 and is used for discharging carbon dioxide generated by reaction, the spiral heating pipe 12 is sleeved in the circular tank 11, the upper end of the spiral heating pipe 12 is connected with a material inlet 111 of the circular tank 11, the lower end of the spiral heating pipe 12 is connected with a material outlet 112, a mixture enters the spiral heating pipe 12 from the material inlet 111 and is discharged from the material outlet 112, the material outlet 112 is connected with the material inlet 111 of another vertical reactor 01 through a conveying pipeline 13, a conveying pump 14 is arranged on the conveying pipeline 13, a mixed material after the primary conversion reaction enters the other vertical reactor 01 for secondary conversion reaction, a material outlet 112 is arranged on the conveying pipeline 15 connected with a crystallization tank 15, and the conveying pipeline 15 is arranged on the material outlet 112 for cooling and recovering the crystallization tank is used for cooling.
The upper port portion of the circular tank 11 is provided with an overflow pipe 18 for judging the internal water level, a mixer 17 is arranged above the material inlet 111 of the spiral heating pipe 12, the outlet of the mixer 17 corresponds to the material inlet 111, an esterification liquid conveying pipe 171 and a sodium methoxide mixed liquid conveying pipe 172 are connected into the mixer 17, and the mixer 17 is used for primarily mixing materials.
The upper port of the circular tank 11 is provided with a water supplementing pipe 19, so that water in the water bath heating process is quickly evaporated, and the water in the water bath is timely supplemented through the water supplementing pipe 19; the material inlet 111 of the spiral heating pipe 12 is in a conical funnel shape, and the lower end of the conical funnel-shaped material inlet 111 is connected with the spiral heating pipe 12.
The conversion process of this example is: the mixed liquid of the esterified liquid and the sodium methoxide with a certain proportion is conveyed into the mixer 17, after preliminary mixing in the mixer 17, the mixed liquid enters the spiral heating pipe 12 from the material inlet 111, hot water is added into the circular tank 11 to heat the spiral heating pipe 12 in a water bath, the mixed material is heated in the spiral heating pipe 12 in the water bath while being spirally collided and mixed, carbon dioxide generated by the reaction is discharged from the exhaust pipe 20, the material after the primary conversion enters the other vertical reactor 01 from the conveying pipeline 13 to be subjected to secondary conversion, the conversion reaction is more thorough, the material after the secondary conversion enters the crystallization tank to be cooled, the spiral heating pipe 12 can play a role in protecting the material in the conversion process, the contact area of the mixed material during the water bath is increased, the heating conversion speed is faster, and the influence on the quality of the material due to long-time high-temperature heating can not be caused.
Referring to fig. 1-2 of the specification, in the first embodiment, the steam heating pipes 21 extending to two ends of the circular tank 11 are uniformly wound on the outer side wall of the circular tank 11, a plurality of steam inlet pipes 211 are uniformly arranged on the steam heating pipes 21 at equal intervals, a plurality of steam outlet pipes 212 are uniformly arranged, hot steam is conveyed into the steam heating pipes 21 from the steam inlet pipes 211, the hot steam carries out auxiliary heating on the tank outside the circular tank 11, water bath heat loss is avoided, water bath effect is ensured, and heated steam and condensed water are discharged from the steam outlet pipes 212.
Claims (7)
1. A vitamin C intermediate spiral continuous conversion device is characterized in that:
the device at least comprises two vertical reactors connected with each other, each vertical reactor comprises a round tank body and a spiral heating pipe, the round tank body is vertically arranged, the spiral heating pipe is sleeved in the round tank body, the upper port of the spiral heating pipe is connected with the material inlet of the round tank body, the lower end of the spiral heating pipe is connected with the material outlet, the material outlet is connected with the material inlet of the other vertical reactor through a conveying pipeline, a conveying pump is arranged on the conveying pipeline, the material outlet of the other vertical reactor is provided with a recovery pipeline connected with a crystallization tank, and the recovery pipeline is provided with the conveying pump.
2. The vitamin C intermediate spiral continuous conversion apparatus of claim 1, wherein: the steam heating pipes extending to the two ends of the round tank body are uniformly wound on the outer side wall of the round tank body.
3. A vitamin C intermediate spiral continuous conversion apparatus as defined in claim 2, wherein: the steam heating pipe is provided with a plurality of steam inlet pipes at equal intervals, and a plurality of steam outlet pipes are uniformly arranged.
4. The vitamin C intermediate spiral continuous conversion apparatus of claim 1, wherein: and an overflow pipe for judging the internal water level is arranged at the upper port part of the circular tank body.
5. The vitamin C intermediate spiral continuous conversion apparatus of claim 1, wherein: a mixer is arranged above the material inlet of the spiral heating pipe, the outlet of the mixer corresponds to the material inlet, and the esterified liquid conveying pipe and the sodium methoxide mixed liquid conveying pipe are connected into the mixer.
6. The vitamin C intermediate spiral continuous conversion apparatus of claim 1, wherein: and a water supplementing pipe is arranged at the upper port part of the circular tank body.
7. The vitamin C intermediate spiral continuous conversion apparatus of claim 1, wherein: the material inlet of the spiral heating pipe is in a conical funnel shape, and the lower end of the material inlet of the conical funnel is connected with the spiral heating pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321370607.XU CN219836516U (en) | 2023-06-01 | 2023-06-01 | Vitamin C intermediate spiral continuous conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321370607.XU CN219836516U (en) | 2023-06-01 | 2023-06-01 | Vitamin C intermediate spiral continuous conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219836516U true CN219836516U (en) | 2023-10-17 |
Family
ID=88302313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321370607.XU Active CN219836516U (en) | 2023-06-01 | 2023-06-01 | Vitamin C intermediate spiral continuous conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219836516U (en) |
-
2023
- 2023-06-01 CN CN202321370607.XU patent/CN219836516U/en active Active
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