CN219721967U - Pipeline concentration system for vitamin C production - Google Patents
Pipeline concentration system for vitamin C production Download PDFInfo
- Publication number
- CN219721967U CN219721967U CN202321370940.0U CN202321370940U CN219721967U CN 219721967 U CN219721967 U CN 219721967U CN 202321370940 U CN202321370940 U CN 202321370940U CN 219721967 U CN219721967 U CN 219721967U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- filter cartridge
- vitamin
- methanol
- outlet
- 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
- 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 34
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229930003268 Vitamin C Natural products 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 235000019154 vitamin C Nutrition 0.000 title claims abstract description 17
- 239000011718 vitamin C Substances 0.000 title claims abstract description 17
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 105
- 239000000463 material Substances 0.000 claims abstract description 37
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 239000004744 fabric Substances 0.000 claims description 8
- 239000010865 sewage Substances 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 abstract description 3
- 238000006297 dehydration reaction Methods 0.000 abstract description 3
- 239000012141 concentrate Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008676 import Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- -1 gulonic acid methyl ester Chemical class 0.000 description 2
- 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 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
Landscapes
- Centrifugal Separators (AREA)
Abstract
The utility model relates to a pipeline concentration system for vitamin C production, which comprises a cooling tank, a centrifugal machine and a pipeline concentrator, wherein a circulating pipeline is connected between an outlet and an inlet of the cooling tank; the pipeline concentrator comprises a circular shell and a filter cartridge, wherein filter holes are densely distributed on the side wall of the filter cartridge, one end of the circular shell is provided with a material inlet connected with a circulating pipeline, the other end of the circular shell is provided with a material outlet, the outer end of the filter cartridge is provided with a methanol outlet, and the methanol outlet is connected with a dilute methanol storage tank through a methanol pipeline; the system can concentrate materials, and when the materials enter the centrifugal machine for centrifugal dehydration, the problems of long feeding time, material sleeving and the like of the centrifugal machine cannot occur, so that the centrifugal time is shortened, the smoothness of system operation is ensured, and the production efficiency is higher.
Description
Technical Field
The utility model relates to the field of vitamin C production, in particular to a pipeline concentration system for vitamin C production.
Background
When vitamin C is produced, intermediate gulonic acid and methanol are used as catalysts to generate gulonic acid methyl ester at a certain temperature, the gulonic acid methyl ester reacts with sodium carbonate in the methanol to generate VCNa, the VCNa in the methanol is separated by a centrifuge after being cooled, the separated VCNa wet product is dissolved and then subjected to ion exchange to obtain VC solution, and the vitamin C is obtained after a series of steps such as reduced pressure distillation, cooling crystallization and the like. The intermediate VCNa is obtained by converting in methanol, so that the methanol suspension with the content of about 20 percent can lead to the content of the intermediate VCNa in the crystallization liquid to be intersected, and the problems of long feeding time, interplanting, long centrifuging time, low centrifuge efficiency and the like exist in the centrifuging process, and the problems of improvement are to be solved.
Disclosure of Invention
In order to solve the problems, the utility model provides a pipeline concentration system for vitamin C production.
The technical scheme of the utility model is as follows: the pipeline concentration system for vitamin C production comprises a cooling tank, a centrifugal machine and a pipeline concentrator, wherein a feed pipe is arranged at the inlet of the cooling tank, a circulating pipeline is connected between the feed pipe and the outlet of the cooling tank, a valve is arranged on the circulating pipeline, a conveying pump is arranged on the circulating pipeline, the inlet of the centrifugal machine is connected with the conveying pipeline, the conveying pipeline is connected with the circulating pipeline, a control valve A is arranged on the conveying pipeline, a control valve B is arranged on a circulating pipe between the control valve A and the feed pipe, and the control valve A is an electromagnetic valve; the pipeline concentrator comprises a circular shell and a filter cartridge, wherein the rear end of the circular shell is provided with an opening, the filter cartridge is coaxially sleeved in the circular shell from the opening, circular filter holes are densely distributed on the side wall of the filter cartridge, one end of the circular shell is provided with a material inlet connected with a circulating pipeline, the other end of the circular shell is provided with a material outlet connected with the circulating pipeline, the outer end of the filter cartridge is provided with a methanol outlet, and the methanol outlet is connected with a dilute methanol storage tank through a methanol pipeline.
Preferably, the outer side wall of the filter cartridge is wrapped with a layer of filter cloth.
Preferably, the tail end of the circular shell is provided with a circular flange plate A, the tail end of the filter cylinder is provided with a circular flange plate B, and the flange plate A and the flange plate B are fixedly connected through bolts and nuts.
Preferably, a conical leading-in section is arranged at the inlet of the circular shell, and the material inlet is arranged at the tip of the conical leading-in section.
Preferably, a drain pipe is connected to the circulating pipe at the outlet of the pipeline concentrator, and a valve is arranged on the drain pipe.
Preferably, a section of flexible connecting pipe is arranged at the inlet of the conveying pipeline and the centrifuge.
Preferably, the filter cartridge has a diameter smaller than the diameter of the circular housing, and an annular material flow passage is formed between the filter cartridge and the circular housing.
The beneficial technical effects of the utility model are as follows: install the cartridge filter in the circular casing of pipeline concentrator in this system, after the material enters into circular casing from the circulating pipe, inside more dilute methyl alcohol suspension can enter into the cartridge filter under the filter effect of filter cloth and filtration pore, then enter into the methyl alcohol storage tank from the methyl alcohol pipeline and retrieve, after the methyl alcohol suspension is discharged, play the concentration effect to the material, then the material enters into centrifugal machine from conveying pipeline and carries out centrifugal dehydration, centrifugal machine feed time length, the problem such as cover material can not appear in the centrifugation in-process, do benefit to and shorten the centrifugation time, guaranteed the smoothness of system operation, production efficiency is higher.
Drawings
FIG. 1 is a system diagram of the present utility model;
FIG. 2 is a schematic view of the internal structure of the pipe concentrator;
fig. 3 is a cross-sectional view taken along A-A of fig. 2.
In the figure, 11, cooling tank, 111, feed pipe, 12, centrifuge, 13, transfer pump, 14, pipe concentrator, 141, circular housing, 142, filter cartridge, 143, filter aperture, 144, material inlet, 145, material outlet, 146, methanol outlet, 147, filter cloth, 148, flange A, 149, flange B, 150, tapered inlet section, 15, transfer pipe, 151, control valve A, 16, circulation pipe, 161, control valve B, 17, methanol pipe, 171, dilute methanol storage tank, 18, blow down pipe, 19, flexible connection pipe.
Detailed Description
Referring to fig. 1-3 of the specification, a pipeline concentration system for vitamin C production comprises a cooling tank 11, a centrifugal machine 12 and a pipeline concentrator 14, wherein an inlet of the cooling tank 11 is provided with a feed pipe 111, a circulating pipeline 16 is connected between the inlet of the feed pipe 111 and an outlet of the cooling tank 11, a conveying pump 13 is installed on the circulating pipeline 16, an inlet of the centrifugal machine 12 is connected with a conveying pipeline 15, the conveying pipeline 15 is connected with the circulating pipeline 16, the conveying pipeline 15 and the circulating pipeline 16 are connected through a three-way joint, a control valve A151 is arranged on the conveying pipeline 15, a control valve B161 is arranged on a circulating pipeline between the control valve A151 and the feed pipe 111, when the control valve A151 is opened and the control valve B161 is closed, materials enter the conveying pipeline 15 from the circulating pipeline 16 and then enter the centrifugal machine 12, and when the control valve A151 is closed and the control valve B161 is opened, the materials are subjected to circulating cooling crystallization under the action of the conveying pump 13; the pipeline concentrator 14 comprises a circular shell 141 and a filter cartridge 142, the filter cartridge 142 is coaxially sleeved in the circular shell 141, filter holes 143 are densely distributed on the side wall of the filter cartridge 142, one end of the circular shell 141 is provided with a material inlet 144 connected with the circulating pipeline 16, the other end of the circular shell is provided with a material outlet 145 connected with the circulating pipeline, the material flows through the pipeline concentrator 14 from the circulating pipeline 16, the outer end of the filter cartridge 142 is provided with a methanol outlet 146, the methanol outlet 146 is arranged at the lower part of the outer end of the filter cartridge 142, and the methanol outlet 146 is connected with a dilute methanol storage tank 171 through a methanol pipeline 17.
The outer side wall of the filter cartridge 142 is wrapped with a layer of filter cloth 147, and the filter cloth 147 filters out methanol into the filter cartridge 142.
The tail end of the circular shell 141 is provided with a flange plate A148, the tail end of the filter cartridge 142 is provided with a flange plate B149, the flange plate A148 and the flange plate B149 are fixedly connected through bolts, and the connection structure is convenient for disassembling and installing the filter cartridge 142 and is beneficial to replacing and maintaining the filter cloth 147.
The entrance of circular casing 141 is equipped with toper import section 150, and material entry 144 sets up the pointed end at toper import section 150, and the material can form the jet effect after entering into this toper import section 150 for the flow of material, and is better to the filtration concentration effect of material.
The circulating pipe at the outlet of the pipe concentrator 14 is connected with a drain pipe 18, when the cooling tank 11 maintains the sewage, the circulating pipe 16 is closed, and the sewage inside can be discharged by opening the drain pipe 18.
A section of flexible connecting pipe 19 is arranged at the inlets of the conveying pipeline 15 and the centrifugal machine 12, and the flexible connecting pipe 19 is used for preventing vibration force of the centrifugal machine 12 from being transmitted to the conveying pipeline 15 and ensuring the stability of material conveying; the filter cartridge 142 has a diameter smaller than that of the circular housing 141, and a material flow passage is formed between the filter cartridge 142 and the circular housing 141.
The working process of the utility model is as follows: the material enters the cooling tank 11 from the inlet pipe 111, the conveying pump 13 is started, the control valve B161 is opened, meanwhile, the control valve A151 on the conveying pipeline 15 is closed, the material circularly enters the cooling tank 11 from the circulating pipeline 16 for cooling crystallization, in the process, the material enters the circular shell 141 of the pipeline concentrator 14 from the circulating pipeline, the thinner methanol suspension in the material enters the filter cylinder 142 under the filtering action of the filter cloth 147 and the filtering holes 143, then is discharged from the tail end of the filter cylinder 142 and enters the methanol pipeline 17, the methanol suspension is stored in the methanol storage tank for recovery, the concentration of the material is achieved after the methanol suspension is filtered, then the control valve A151 is opened, the control valve B161 is closed, the material enters the centrifugal machine 12 from the conveying pipeline 15 for dehydration, the problems of long feeding time, material covering and the like of the centrifugal machine 12 are avoided, and the centrifugal time is favorably shortened.
Claims (7)
1. A pipeline concentration system for vitamin C production is characterized in that:
the device comprises a cooling tank, a centrifugal machine and a pipeline concentrator, wherein a feeding pipe is arranged at an inlet of the cooling tank, a circulating pipeline is connected between the feeding pipe and an outlet of the cooling tank, a conveying pump is arranged on the circulating pipeline, the inlet of the centrifugal machine is connected with the conveying pipeline, the conveying pipeline is connected with the circulating pipeline, a control valve A is arranged on the conveying pipeline, and a control valve B is arranged on a circulating pipe between the control valve A and the feeding pipe; the pipeline concentrator comprises a circular shell and a filter cartridge, wherein the filter cartridge is coaxially sleeved in the circular shell, filter holes are densely distributed on the side wall of the filter cartridge, one end of the circular shell is provided with a material inlet connected with a circulating pipeline, the other end of the circular shell is provided with a material outlet connected with the circulating pipeline, the outer end of the filter cartridge is provided with a methanol outlet, and the methanol outlet is connected with a dilute methanol storage tank through a methanol pipeline.
2. The pipeline concentrating system for vitamin C production according to claim 1, wherein: the outer side wall of the filter cartridge is wrapped with a layer of filter cloth.
3. The pipeline concentrating system for vitamin C production according to claim 1, wherein: the tail end of the circular shell is provided with a flange plate A, the tail end of the filter cartridge is provided with a flange plate B, and the flange plate A and the flange plate B are fixedly connected through bolts.
4. The pipeline concentrating system for vitamin C production according to claim 1, wherein: the inlet of the circular shell is provided with a conical leading-in section, and the material inlet is arranged at the tip of the conical leading-in section.
5. The pipeline concentrating system for vitamin C production according to claim 1, wherein: and a sewage discharge pipe is connected to the circulating pipe at the outlet of the pipeline concentrator.
6. The pipeline concentrating system for vitamin C production according to claim 1, wherein: and a section of flexible connecting pipe is arranged at the inlets of the conveying pipeline and the centrifugal machine.
7. The pipeline concentrating system for vitamin C production according to claim 1, wherein: the diameter of the filter cartridge is smaller than that of the circular housing, and a material flow passage is formed between the filter cartridge and the circular housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321370940.0U CN219721967U (en) | 2023-06-01 | 2023-06-01 | Pipeline concentration system for vitamin C production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321370940.0U CN219721967U (en) | 2023-06-01 | 2023-06-01 | Pipeline concentration system for vitamin C production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219721967U true CN219721967U (en) | 2023-09-22 |
Family
ID=88032158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321370940.0U Active CN219721967U (en) | 2023-06-01 | 2023-06-01 | Pipeline concentration system for vitamin C production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219721967U (en) |
-
2023
- 2023-06-01 CN CN202321370940.0U patent/CN219721967U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |