CN102909106A - Reduced-pressure distillation device - Google Patents
Reduced-pressure distillation device Download PDFInfo
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- CN102909106A CN102909106A CN2012104355009A CN201210435500A CN102909106A CN 102909106 A CN102909106 A CN 102909106A CN 2012104355009 A CN2012104355009 A CN 2012104355009A CN 201210435500 A CN201210435500 A CN 201210435500A CN 102909106 A CN102909106 A CN 102909106A
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- steam pipe
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Abstract
The invention discloses a reduced-pressure distillation device with the advantages of simple structure, economy and convenience. The reduced-pressure distillation device comprises a distillation head; the distillation head comprises a steam pipe, a water distribution pipe and a connecting pipe, wherein the steam pipe is provided with an upper port and a lower port; the water distribution pipe is provided with an upper port; the lower end of the water distribution pipe is communicated with a branch pipe with a control valve I for the outflow of liquid in the water distribution pipe; the outer end of the branch pipe is provided with an outer port; the connecting pipe is used for communicating the upper end of the steam pipe and the upper end of the water distribution pipe; a backflow pipe with a control valve II communicated with the lower end of the water distribution pipe and the steam pipe is arranged below the connecting pipe; a thermometer is inserted at the upper port of the steam pipe; the lower port of the steam pipe is directly communicated with a distillation vessel or is communicated with the distillation vessel through a rectifying column; the upper port of the water distribution pipe is connected with a condenser; the outer port of the branch pipe is connected with a receiving vessel through a vacuum receiving head; both the upper end of the condenser and the vacuum receiving head are connected with an air suction pipe; and the air suction pipe is connected with a vacuum pump.
Description
Technical field
The present invention relates to a kind of vacuum distillation apparatus.
Background technology
Fig. 1 is vacuum distillation apparatus, and present vacuum distillation apparatus is complicated monolithic construction, and manufacturing cost is high, and certain any damage will cause the damage of whole instrument.In addition, in the process of distillation, the bumping phenomenon occurs sometimes, cause contamination of products, cause the distillation procedure failure.
Summary of the invention
The technical problem to be solved in the present invention has provided easily vacuum distillation apparatus of a kind of simple in structure, economy.
In order to solve the problems of the technologies described above, technical scheme of the present invention is:
A kind of vacuum distillation apparatus, comprise still head, still head comprises steam pipe, distributive pipe and tube connector, steam pipe has upper port and lower port, distributive pipe has upper port, the lower end of distributive pipe and the arm connection with the control valve I of flowing out for distributive pipe liquid, and the outer end of arm has external port, tube connector is used for being communicated with steam pipe upper end and distributive pipe upper end, and the tube connector below arranges the return duct with the control valve II that is communicated with distributive pipe lower end and steam pipe; Steam pipe upper port place inserts thermometer, the lower port of steam pipe directly is communicated with distil container or is communicated with distil container via rectifying column again, the upper port of distributive pipe connects condenser, the external port of arm connects receiving vessel by the vacuum Receiver, upper end of condenser and vacuum Receiver all connect air intake duct, and air intake duct connects vavuum pump.
Above-mentioned vacuum distillation apparatus, described distil container are cucurbit, and condenser is condenser pipe, and receiving vessel is receiving flask.
Above-mentioned vacuum distillation apparatus, described arm and return duct integral body are straight tube, and the external port of arm is downward-sloping, the connection of reinforcing usefulness is set between arm and the distributive pipe supports.
Above-mentioned vacuum distillation apparatus, the caliber of described arm and return duct is little than other caliber.
Above-mentioned vacuum distillation apparatus, described air intake duct are inhaling hose.
Vacuum distillation apparatus of the present invention is compared with existing vacuum distillation apparatus, is formed by a plurality of assembling parts, when a certain parts are damaged, only needs to change corresponding parts, has easily advantage of simple in structure, economy.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail:
Fig. 1 is existing vacuum distillation apparatus.
Fig. 2 is vacuum distillation apparatus of the present invention.
Fig. 3 is the structural representation of still head among Fig. 2.
Fig. 4 is another kind of vacuum distillation apparatus.
Among the figure: 1 steam pipe, 2 distributive pipes, 3 tube connectors, 4 arms, 5 control valve I, 6 return ducts, 7 control valve II, 8 connect support, 9 thermometers, 10 cucurbits, 11 receiving flasks, 12 vacuum Receivers, 13 air intake ducts, 14 condenser pipes, 15 rectifying columns.
The specific embodiment
Such as Fig. 2, Fig. 3 and shown in Figure 4, a kind of vacuum distillation apparatus, comprise still head, still head comprises steam pipe 1, distributive pipe 2 and tube connector 3, steam pipe has upper port and lower port, distributive pipe has upper port, the lower end of distributive pipe and arm 4 connections with control valve I 5 of flowing out for distributive pipe liquid, the outer end of arm has external port, tube connector is used for being communicated with steam pipe upper end and distributive pipe upper end, and the tube connector below arranges the return duct 6 with control valve II 7 that is communicated with distributive pipe lower end and steam pipe.Steam pipe upper port place inserts thermometer 9, the lower port of steam pipe directly is communicated with distil container or is communicated with distil container via rectifying column 15 again, the upper port of distributive pipe connects condenser, the external port of arm connects receiving vessel by vacuum Receiver 12, upper end of condenser and vacuum Receiver all connect air intake duct 13, and air intake duct connects vavuum pump.
For chemical experimental instrument equipment: described distil container is cucurbit 10, and condenser is condenser pipe 14, and receiving vessel is receiving flask 11.
Particularly, described arm and return duct integral body are straight tube, and the external port of arm is downward-sloping, the connection of reinforcing usefulness is set between arm and the distributive pipe supports 8.
Particularly, the caliber of described arm and return duct is little than other caliber.
Particularly, air intake duct is inhaling hose.
This kind vacuum distillation apparatus is compared with the vacuum distillation apparatus shown in Fig. 1, is formed by a plurality of assembling parts, when a certain parts are damaged, only needs to change corresponding parts, has easily advantage of simple in structure, economy.
The present invention can also realize anti-bumping, wait to operate and it's time to collect cut closed control valve I and control valve II, cut accumulates in distributive pipe, run up to and suitably highly open the control valve I, cut is put into receiving flask, in this course, if bumping occurs, then open the control valve II, by return duct bumping liquid is put back in the distil container, again be back to the cut temperature, in this process, the pipeline that also bumping is caused pollutes all have been cleaned, and then the closed control valve II repeats the collection operation of cut.In addition, by the aperture of control control valve I and control valve II, can regulate reflux ratio with the collection of control cut.
Claims (5)
1. vacuum distillation apparatus, comprise still head, it is characterized in that: still head comprises steam pipe, distributive pipe and tube connector, steam pipe has upper port and lower port, distributive pipe has upper port, the lower end of distributive pipe and the arm connection with the control valve I of flowing out for distributive pipe liquid, and the outer end of arm has external port, tube connector is used for being communicated with steam pipe upper end and distributive pipe upper end, and the tube connector below arranges the return duct with the control valve II that is communicated with distributive pipe lower end and steam pipe; Steam pipe upper port place inserts thermometer, the lower port of steam pipe directly is communicated with distil container or is communicated with distil container via rectifying column again, the upper port of distributive pipe connects condenser, the external port of arm connects receiving vessel by the vacuum Receiver, upper end of condenser and vacuum Receiver all connect air intake duct, and air intake duct connects vavuum pump.
2. vacuum distillation apparatus according to claim 1, it is characterized in that: described distil container is cucurbit, and condenser is condenser pipe, and receiving vessel is receiving flask.
3. vacuum distillation apparatus according to claim 1 and 2, it is characterized in that: described arm and return duct integral body are straight tube, and the external port of arm is downward-sloping, the connection of reinforcing usefulness is set between arm and the distributive pipe supports.
4. vacuum distillation apparatus according to claim 1 and 2, it is characterized in that: the caliber of described arm and return duct is little than other caliber.
5. vacuum distillation apparatus according to claim 1 and 2, it is characterized in that: described air intake duct is inhaling hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104355009A CN102909106A (en) | 2012-11-05 | 2012-11-05 | Reduced-pressure distillation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104355009A CN102909106A (en) | 2012-11-05 | 2012-11-05 | Reduced-pressure distillation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102909106A true CN102909106A (en) | 2013-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104355009A Pending CN102909106A (en) | 2012-11-05 | 2012-11-05 | Reduced-pressure distillation device |
Country Status (1)
| Country | Link |
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| CN (1) | CN102909106A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071308A (en) * | 2013-02-20 | 2013-05-01 | 上海煦旻化工科技发展有限公司 | Rectification head |
| CN105013549A (en) * | 2015-07-09 | 2015-11-04 | 滁州市润达溶剂有限公司 | Decompression distillation flask |
| CN105435870A (en) * | 2015-11-08 | 2016-03-30 | 绥化学院 | Novel branch pipe-free water distribution glass instrument and use method therefor |
| CN109248464A (en) * | 2018-11-08 | 2019-01-22 | 乐山师范学院 | A kind of full-automatic still head |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2104698U (en) * | 1991-07-09 | 1992-05-20 | 武汉教育学院 | Steam still |
| EP0547392A1 (en) * | 1991-12-18 | 1993-06-23 | Corning Incorporated | Concentrator/extractor apparatus having a hydrophobic membrane |
| CN201445822U (en) * | 2009-04-14 | 2010-05-05 | 南京师范大学 | External condensing type reflux splitter |
| CN102728421A (en) * | 2011-04-14 | 2012-10-17 | 冯露 | Multifunctional chemical experimental connector |
| CN202860578U (en) * | 2012-11-05 | 2013-04-10 | 济南大学 | Reduced pressure distillation device |
-
2012
- 2012-11-05 CN CN2012104355009A patent/CN102909106A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2104698U (en) * | 1991-07-09 | 1992-05-20 | 武汉教育学院 | Steam still |
| EP0547392A1 (en) * | 1991-12-18 | 1993-06-23 | Corning Incorporated | Concentrator/extractor apparatus having a hydrophobic membrane |
| CN201445822U (en) * | 2009-04-14 | 2010-05-05 | 南京师范大学 | External condensing type reflux splitter |
| CN102728421A (en) * | 2011-04-14 | 2012-10-17 | 冯露 | Multifunctional chemical experimental connector |
| CN202860578U (en) * | 2012-11-05 | 2013-04-10 | 济南大学 | Reduced pressure distillation device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071308A (en) * | 2013-02-20 | 2013-05-01 | 上海煦旻化工科技发展有限公司 | Rectification head |
| CN105013549A (en) * | 2015-07-09 | 2015-11-04 | 滁州市润达溶剂有限公司 | Decompression distillation flask |
| CN105435870A (en) * | 2015-11-08 | 2016-03-30 | 绥化学院 | Novel branch pipe-free water distribution glass instrument and use method therefor |
| CN109248464A (en) * | 2018-11-08 | 2019-01-22 | 乐山师范学院 | A kind of full-automatic still head |
| CN109248464B (en) * | 2018-11-08 | 2023-12-12 | 乐山师范学院 | Full-automatic distillation head |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130206 |