CN205360644U - Underpressure distillation vacuum apparatus is used in laboratory - Google Patents
Underpressure distillation vacuum apparatus is used in laboratory Download PDFInfo
- Publication number
- CN205360644U CN205360644U CN201620010934.8U CN201620010934U CN205360644U CN 205360644 U CN205360644 U CN 205360644U CN 201620010934 U CN201620010934 U CN 201620010934U CN 205360644 U CN205360644 U CN 205360644U
- Authority
- CN
- China
- Prior art keywords
- trap
- cold
- interface
- fixed station
- safety flack
- 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
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Underpressure distillation vacuum apparatus is used in laboratory, including first fixed station, second fixed station, safety bottle, digital pressure measurement appearance, dewar bottle, cold -trap and oil pump, first fixed station top is equipped with the first recess of looks adaptation bottom safety bottle, and safety bottle places in first recess, and second fixed station top is equipped with the second recess of looks adaptation bottom the dewar bottle, and the dewar bottle is placed in the second recess, the safety bottle left side is equipped with the external tapping, and the safety bottle top is equipped with the interface of bleeding, and the safety bottle right side is equipped with the pressure release pipe, is equipped with the plug valve on the pressure release pipe, the cold -trap is placed in the dewar bottle and the dewar bottle is upwards stretched out on its upper portion, and the cold -trap top is equipped with first interface, and the cold -trap lateral part is equipped with the second interface, and the cover is equipped with the sealing washer on the cold -trap. The utility model relates to a rationally, simple structure, easily operation, provide an underpressure distillation vacuum apparatus is used in laboratory, can make things convenient for the quick underpressure distillation experiment operation that carries on.
Description
Technical field
This utility model belongs to chemical experiment technique field, particularly relates to a kind of use for laboratory decompression distillation vacuum equipment, it is adaptable to carry out the experiment of decompression distillation procedure at sample plot point.
Background technology
A lot of organic compound, particularly high boiling organic compound, distillation tends to occur decompose, aoxidize or polymerization at ambient pressure, in this case, adopts vacuum distillation method maximally efficient.Traditional laboratory decompression distillation vacuum system device generally comprises safety flack, digital measuring cell, calcium chloride tower, sodium hydroxide tower, paraffin mass tower and oil pump, this device can avoid low boiling point solvent, particularly acid and steam enter oil pump and reduce vacuum efficacy and the service life of pump, but it is relatively larger that this device takies lab space, and the filling combination of various drying tower is comparatively laborious.
Utility model content
This utility model is solve the weak point that prior art exists, it is provided that one can quickly cool down by flash distillation, and can control the use for laboratory decompression distillation vacuum equipment of negative pressure easily.
For solving above-mentioned technical problem, the technical scheme that this utility model adopts is as follows: use for laboratory decompression distillation vacuum equipment, including the first fixed station, the second fixed station, safety flack, digital measuring cell, Dewar flask, cold-trap and oil pump, first fixed station top be provided with safety flack bottom suitable the first groove, safety flack is placed in the first groove, second fixed station top be provided with Dewar flask bottom suitable the second groove, Dewar flask is placed in the second groove；
Being provided with external tapping on the left of safety flack, safety flack top is provided with suction interface, is provided with relief tube on the right side of safety flack, and relief tube is provided with plug valve；Cold-trap is placed in Dewar flask and its top protrudes upward Dewar flask, and cold-trap top is provided with first interface, and cold-trap sidepiece is provided with the second interface, and cold-trap is arranged with sealing ring；
Safety flack external tapping is connected to rubber tube, the suction interface at safety flack top is connected to three-way interface by rubber tube, digital measuring cell is connected on the lower side interface of three-way interface, the first interface at the cold-trap top right side interface by rubber tube connecting tee interface, the second interface of cold-trap sidepiece connects oil pump by rubber tube.
The section configuration of sealing ring is triangle wide at the top and narrow at the bottom.
This utility model has the advantages that
1, have employed the combination type of cooling of Dewar flask and cold-trap, prevent organic solvent steam suction oil pump from reducing vacuum efficacy and the service life of oil pump, without adding paraffin tower, calcium chloride, sodium hydroxide washing tower (for removing CO2), thus decreasing the filling of various drying tower to connect work, and higher vacuum can be obtained, improve the efficiency of experimental implementation；
2, have employed safety flack, it is possible to avoid because operational error causes making the oil in oil pump be entered in experimental apparatus by suck-back due to the effect of negative pressure of vacuum when distillation terminates, and then guarantee that laboratory sample will not be contaminated by the greasy dirt in oil pump.Relief tube on safety flack and plug valve can the negative pressure adjusted in safety flack safely and fast；
3, adding sealing ring, the section configuration of sealing ring is triangle wide at the top and narrow at the bottom, the convenient annulus sealed between cold-trap and Dewar flask.
In sum, this utility model is reasonable in design, simple in construction, easily operated, it is provided that a kind of use for laboratory decompression distillation vacuum equipment, it is possible to carrying out decompression distillation test operation easily and fast, work efficiency obtains and is greatly improved.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of sealing ring in Fig. 1；
Fig. 3 is the top view of sealing ring in Fig. 1；
Fig. 4 is the sectional view at A-A place in Fig. 3.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, use for laboratory decompression distillation vacuum equipment, including first fixed station the 1, second fixed station 2, safety flack 3, digital measuring cell 4, Dewar flask 5, cold-trap 6 and oil pump 7, first fixed station 1 top be provided with safety flack 3 bottom suitable the first groove 8, safety flack 3 is placed in the first groove 8, second fixed station 2 top be provided with Dewar flask 5 bottom suitable the second groove 9, Dewar flask 5 is placed in the second groove 9.
Being provided with external tapping 10 on the left of safety flack 3, safety flack 3 top is provided with suction interface 11, is provided with relief tube 12 on the right side of safety flack 3, and relief tube 12 is provided with plug valve 13；Cold-trap 6 is placed in Dewar flask 5 and its top protrudes upward Dewar flask 5, and cold-trap 6 top is provided with first interface 14, and cold-trap 6 sidepiece is provided with the second interface 15, and cold-trap 6 is arranged with sealing ring 16.
Safety flack 3 external tapping 10 is connected to rubber tube 17, the suction interface 11 at safety flack 3 top is connected to three-way interface 18 by rubber tube 17, digital measuring cell 4 is connected on the lower side interface of three-way interface 18, the first interface 14 at the cold-trap 6 top right side interface by rubber tube 17 connecting tee interface 18, the second interface 15 of cold-trap 6 sidepiece connects oil pump 7 by rubber tube 17.
The section configuration of sealing ring 16 is triangle wide at the top and narrow at the bottom.
Safety flack 3, digital measuring cell 4, Dewar flask 5, plug valve 13, cold-trap 6 and oil pump 7 are prior art, and its concrete structure is not described in detail.
Work process of the present utility model is as follows: before decompression distillation starts, first lower boiling organic solvent and volatile sour gas are evaporated off at ambient pressure, then the rubber tube 17 on safety flack 3 external tapping 10 is connected the distilling apparatus put up in advance, on the right side of safety flack 3, the plug valve 13 on relief tube 12 is now for logical atmospheric condition, connect the power supply of digital measuring cell 4, and zero setting, then open oil pump 7 to start to bleed, the slowly cock on closed safe bottle relief tube, cold-trap 6 is placed in the Dewar flask 5 filling liquid nitrogen after digital measuring cell 4 stable reading and can carry out decompression distillation procedure.After having operated, the plug valve 13 first slowly opened on the right side of safety flack 3 on relief tube 12, logical air, it is then shut off oil pump 7 and digital measuring cell 4, experiment completes.Gap between cold-trap 6 and Dewar flask 5 easily causes the liquid nitrogen volatilization in Dewar flask 5, makes cooling effect not good, need to supplement liquid nitrogen in time.The section configuration of sealing ring 16 is triangle wide at the top and narrow at the bottom, and when installing sealing ring 16, sealing ring 16 bottom is narrower so that it is be easily put into the annulus between cold-trap 6 and Dewar flask 5；Sealing ring 16 is upper wider, sealing ring 16 is being pressed down against behind the annulus between cold-trap 6 and Dewar flask 5, ensure that and realize good sealing effectiveness that the convenient gap sealed between cold-trap 6 and Dewar flask 5 solves the problem that the volatilization of the poorly sealed liquid nitrogen caused is too fast.
Shape of the present utility model, material, structure etc. are not done any pro forma restriction by the present embodiment; every any simple modification, equivalent variations and modification above example made according to technical spirit of the present utility model, belongs to the protection domain of technical solutions of the utility model.
Claims (2)
1. use for laboratory decompression distillation vacuum equipment, including the first fixed station, the second fixed station, safety flack, digital measuring cell, Dewar flask, cold-trap and oil pump, it is characterized in that: the first fixed station top be provided with safety flack bottom suitable the first groove, safety flack is placed in the first groove, second fixed station top be provided with Dewar flask bottom suitable the second groove, Dewar flask is placed in the second groove；
Being provided with external tapping on the left of safety flack, safety flack top is provided with suction interface, is provided with relief tube on the right side of safety flack, and relief tube is provided with plug valve；Cold-trap is placed in Dewar flask and its top protrudes upward Dewar flask, and cold-trap top is provided with first interface, and cold-trap sidepiece is provided with the second interface, and cold-trap is arranged with sealing ring；
Safety flack external tapping is connected to rubber tube, the suction interface at safety flack top is connected to three-way interface by rubber tube, digital measuring cell is connected on the lower side interface of three-way interface, the first interface at the cold-trap top right side interface by rubber tube connecting tee interface, the second interface of cold-trap sidepiece connects oil pump by rubber tube.
2. use for laboratory according to claim 1 decompression distillation vacuum equipment, it is characterised in that: the section configuration of sealing ring is triangle wide at the top and narrow at the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620010934.8U CN205360644U (en) | 2016-01-07 | 2016-01-07 | Underpressure distillation vacuum apparatus is used in laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620010934.8U CN205360644U (en) | 2016-01-07 | 2016-01-07 | Underpressure distillation vacuum apparatus is used in laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205360644U true CN205360644U (en) | 2016-07-06 |
Family
ID=56275160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620010934.8U Expired - Fee Related CN205360644U (en) | 2016-01-07 | 2016-01-07 | Underpressure distillation vacuum apparatus is used in laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205360644U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332906A (en) * | 2018-02-07 | 2018-07-27 | 河北新启元能源技术开发股份有限公司 | A method of for solving the pollution of vacuum distillation range instrument mercury gage |
| CN110527545A (en) * | 2019-09-16 | 2019-12-03 | 厦门芒娅贸易有限公司 | A kind of vacuum distillation refining equipment according to pressure change boiling point |
-
2016
- 2016-01-07 CN CN201620010934.8U patent/CN205360644U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332906A (en) * | 2018-02-07 | 2018-07-27 | 河北新启元能源技术开发股份有限公司 | A method of for solving the pollution of vacuum distillation range instrument mercury gage |
| CN110527545A (en) * | 2019-09-16 | 2019-12-03 | 厦门芒娅贸易有限公司 | A kind of vacuum distillation refining equipment according to pressure change boiling point |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205360644U (en) | Underpressure distillation vacuum apparatus is used in laboratory | |
| CN103738909A (en) | Working substance filling and recycling device and method for organic Rankine cycle waste heat generator set | |
| CN105424452A (en) | Impurity removal method for detecting strontium isotope of silk fabric cultural relic | |
| CN203479470U (en) | Internal blowout preventer automatic pressure test device | |
| CN205323253U (en) | Portable underpressure distillation vacuum apparatus | |
| CN104132827A (en) | Sampling method for particle-size test of ultrahigh-pressure insulating oil | |
| CN105414159B (en) | A method of petroleum desorption liquid is handled using graphite oxide aerogel | |
| CN207209040U (en) | A kind of hydrochloric acid tank positive/negative-pressure water seal arrangement | |
| CN207964187U (en) | A kind of electric bus battery case leak-testing apparatus | |
| CN205332688U (en) | Portable decompression drying device | |
| CN205323252U (en) | Portable underpressure distillation cooling device | |
| CN103441234A (en) | Battery liquid injecting device capable of avoiding liquid leakage | |
| CN204330430U (en) | Gas collector | |
| CN202560205U (en) | Device for anaerobic preparation and anaerobic preservation of oilfield injection system | |
| CN207660602U (en) | A kind of sample bucket of oil extraction in oil field | |
| CN203443749U (en) | Mine flameproof transformer static pressure test device | |
| CN204789274U (en) | Container for hydrogen induced crack resistance test | |
| CN203051745U (en) | Sealing device for supercritical carbon dioxide extraction kettle | |
| CN206483177U (en) | A kind of anti-suck Rotary Evaporators | |
| CN104535376A (en) | Gas collecting device | |
| CN205449584U (en) | Gaseous leak hunting sampling device of UF6 | |
| CN203855549U (en) | Closed security coke wet quenching pre-negative pressure device | |
| CN205412636U (en) | Device of vacuum -ultraviolet light degradation coal mine gas | |
| CN204004433U (en) | A kind of rare earth waste reclaims sealing device with extraction tank | |
| CN208432370U (en) | A kind of compressor top cover package seal checker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160706 Termination date: 20180107 |