CN208406129U - Vacuum distillation apparatus - Google Patents
Vacuum distillation apparatus Download PDFInfo
- Publication number
- CN208406129U CN208406129U CN201820624997.1U CN201820624997U CN208406129U CN 208406129 U CN208406129 U CN 208406129U CN 201820624997 U CN201820624997 U CN 201820624997U CN 208406129 U CN208406129 U CN 208406129U
- Authority
- CN
- China
- Prior art keywords
- valve
- vacuum
- collection
- pipeline
- liquid separator
- 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.)
- Expired - Fee Related
Links
- 238000005292 vacuum distillation Methods 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000004821 distillation Methods 0.000 abstract description 17
- 239000000463 material Substances 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000009835 boiling Methods 0.000 abstract description 3
- 239000003039 volatile agent Substances 0.000 description 9
- QMMFVYPAHWMCMS-UHFFFAOYSA-N Dimethyl sulfide Chemical compound CSC QMMFVYPAHWMCMS-UHFFFAOYSA-N 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
本实用新型公开了一种减压蒸馏装置，包括设有进料阀门的蒸馏釜，通过管道与加热蒸汽装置连接，加热蒸汽装置通过管道与汽液分离器连接，前馏分收集罐通过采集阀门与汽液分离器连接，汽液分离器的侧面口通过管道连接后馏分收集罐，后馏分收集罐上设置有真空阀门，通过管道与真空泵相连。具体工艺为将物料抽入蒸馏釜中，关闭进料阀门，打开真空阀门和采集阀门，开启加热蒸汽装置和真空泵抽真空，当物料温度达到真空条件下馏分沸点时，前馏分通过采集阀门，进入前馏分收集罐，前馏分收集完成后，关闭采集阀门，釜温上升后，后馏分通过汽液分离器，进入后馏分收集罐。本实用新型采用单真空系统和单阀门切换操作，简化生产操作，提高系统安全性。
The utility model discloses a vacuum distillation device, comprising a distillation still provided with a feeding valve, which is connected with a heating steam device through a pipeline, the heating steam device is connected with a vapor-liquid separator through a pipeline, and a fore fraction collection tank is connected with a collection valve through a collection valve. The vapor-liquid separator is connected, and the side port of the vapor-liquid separator is connected to the rear fraction collection tank through a pipeline, and a vacuum valve is arranged on the rear fraction collection tank, which is connected to a vacuum pump through a pipeline. The specific process is to pump the material into the distillation kettle, close the feed valve, open the vacuum valve and the collection valve, open the heating steam device and the vacuum pump to evacuate, and when the material temperature reaches the boiling point of the fraction under vacuum conditions, the front fraction passes through the collection valve and enters Front distillate collection tank, after the front distillate collection is completed, close the collection valve, after the kettle temperature rises, the back distillate passes through the vapor-liquid separator and enters the back distillate collection tank. The utility model adopts the switching operation of a single vacuum system and a single valve, which simplifies the production operation and improves the safety of the system.
Description
Technical field
The utility model belongs to reduced pressure distillation technique field, and in particular to a kind of vacuum distillation apparatus.
Background technique
Vacuum distillation refers to the distillation procedure that separating mixture is carried out under decompression (lower than an atmospheric pressure).Vacuum distillation
By declining the bubble point of mixed liquor, boiling at lower pressures by system pressure is reduced, reaching reduces distillation procedure
Temperature.Vacuum distillation can reduce steam consumption for heating and the heating steam using lower pressure.To it is certain at high temperature
It is easy to decompose or polymerize and be not achieved the substance of the purpose of separation when distillation, it is necessary to using vacuum distillation.In vacuum distillation, one
As say, the relative volatility between component will increase, more can be easily separated.Separation for noxious material, can using vacuum distillation
The leakage of hypertoxic material is prevented, the pollution to environment is reduced, protects human health.
But vacuum distillation is technically brought there is also its disadvantage, such as vacuumizing are stringent to the seal request of equipment
Certain difficulty, when leaking into air in equipment, there is explosion danger especially to flammable and explosive substance；Furthermore the life being evaporated under reduced pressure
Production capacity power is lower than normal pressure and distillation under pressure equipment.In existing production process, when collecting fraction, frequently with double vacuum systems, bivalve
The operation of door switching is realized.Operation is required it is relatively high, when operation, it is easy to cause system pressure unstable, and change and evaporate
The situation divided, causes product unqualified.
Vacuum distillation new method technical study is intended to research and develop a kind of new equipment of vacuum distillation production, operates in systems stabilisation
Pressure reduces production energy consumption, forms the production model of a set of safety and environmental protection.
Utility model content
The purpose of this utility model is to provide operating pressures in a kind of system to stablize, and produces low energy consumption, safety collar
The vacuum distillation apparatus of guarantor.
Realize that the technical solution of the utility model aim is as follows:
Vacuum distillation apparatus, including distillation still, material inlet valve is provided in distillation still, and distillation still is filled by pipeline and condensation
Connection is set, condensing unit is connect by pipeline with vapour liquid separator, and front-end volatiles collecting tank passes through acquisition valve and vapour liquid separator
The side ports of connection, vapour liquid separator connect tails collecting tank by pipeline, are provided with vacuum valve on tails collecting tank,
It is connected by pipeline with vacuum pump.
Compared with prior art, the utility model has the advantage that
The utility model abandons the operation of common double vacuum systems, double valve switching, and the vacuum distillation apparatus of building is adopted
The operation switched with single vacuum system and single valve.The operation of single vacuum system and single valve switching avoid double vacuum systems and
In the operating process of double valve switching, system pressure is unstable, extraction material is unstable, even underproof phenomenon.Distillation behaviour
Work reaches effective stable state, simplifies production operation, improves security of system, maximumlly meets production requirement, reduces energy
Consumption improves production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the vacuum distillation apparatus of the utility model.
Specific embodiment
Below with reference to embodiment and attached drawing, the utility model is described in further detail.
As shown in Figure 1, the structural schematic diagram of the vacuum distillation apparatus of the utility model, including material inlet valve (1), distillation still
(2), condensing unit (3), vapour liquid separator (4) acquire valve (5), front-end volatiles collecting tank (6), tails collecting tank (7), very
Empty valve (8), vacuum pump (9).Material inlet valve (1) is set in distillation still (2), distillation still (2) passes through pipeline and condensing unit (3)
Connection.Condensing unit (3) is connect by pipeline with vapour liquid separator (4).Vapour liquid separator (4) connects acquisition valve by pipeline
(5), acquisition valve (5) is arranged in front-end volatiles collecting tank (6).Vapour liquid separator (4) side ports connect tails by pipeline and receive
Collect tank (7).Tails collecting tank (7) passes through vacuum valve (8) connection vacuum pump (9).
It is evaporated under reduced pressure using above-mentioned vacuum distillation apparatus, specific steps are as follows: material is pumped into distillation still (2), is closed
It closes material inlet valve (1), opens vacuum valve (8) and acquisition valve (5), open condensing unit (3) and vacuum pump (9) vacuumizes,
When temperature of charge reaches the fraction boiling point under vacuum condition, front-end volatiles are by acquisition valve (5), into front-end volatiles collecting tank
(6), after the completion of front-end volatiles are collected, acquisition valve (5) is closed, after kettle temperature rises, tails is entered by vapour liquid separator (4)
Tails collecting tank (7).
The operation that the vacuum distillation apparatus of the utility model is switched using single vacuum system and single valve.Front-end volatiles are collected
When, open acquisition valve, liquid and vacuum enter vapour liquid separator, since gas is different from the density of liquid, liquid with gas
When body flows together, liquid will receive the effect of gravity, generate a downward speed, and gas is still towards original direction
Flowing, that is to say, that liquid has the tendency that separating in gravitational field with gas, and downward liquid enters front-end volatiles by collecting pipe
Collecting tank, and vacuumize gas, then it is separated by side exit with front-end volatiles.When tails is collected, acquisition valve is closed, at this time
Liquid passes through vapour liquid separator side ports together with vacuum, separates after entering tails collecting tank by collecting pipe.Whole operation
In the process, system pressure is in balance, and no pressure fluctuation does not impact entire distillation process, safety and stability.
It for distilling Dimethyl sulfide, is operated using double vacuum systems, when front and back fraction switches, fluctuations of vacuum is -0.098
~-0.085mpa.Distillation process will appear 10~15min material cut-off, and after single vacuum system, front and back fraction is true when switching
Sky fluctuation is -0.098~-0.095mpa.Fluctuations of vacuum very little, or even without fluctuation, and be not in material cut-off.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820624997.1U CN208406129U (en) | 2018-04-28 | 2018-04-28 | Vacuum distillation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820624997.1U CN208406129U (en) | 2018-04-28 | 2018-04-28 | Vacuum distillation apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208406129U true CN208406129U (en) | 2019-01-22 |
Family
ID=65115596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820624997.1U Expired - Fee Related CN208406129U (en) | 2018-04-28 | 2018-04-28 | Vacuum distillation apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208406129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108392846A (en) * | 2018-04-28 | 2018-08-14 | 江苏宝盛龙城药业有限公司 | Vacuum distillation apparatus and technique |
-
2018
- 2018-04-28 CN CN201820624997.1U patent/CN208406129U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108392846A (en) * | 2018-04-28 | 2018-08-14 | 江苏宝盛龙城药业有限公司 | Vacuum distillation apparatus and technique |
| CN108392846B (en) * | 2018-04-28 | 2024-07-05 | 江苏宝盛龙城药业有限公司 | Vacuum distillation apparatus and process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 |