CN203123598U - Magnetic stirring evaporimeter - Google Patents
Magnetic stirring evaporimeter Download PDFInfo
- Publication number
- CN203123598U CN203123598U CN 201320122167 CN201320122167U CN203123598U CN 203123598 U CN203123598 U CN 203123598U CN 201320122167 CN201320122167 CN 201320122167 CN 201320122167 U CN201320122167 U CN 201320122167U CN 203123598 U CN203123598 U CN 203123598U
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- evaporimeter
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- water
- water bath
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Abstract
The utility model provides a magnetic stirring evaporimeter which comprises a water bath kettle, an evaporating flask, a gas guide tube, a condensation tube, a distillation receiving flask and a magnetic stirrer, wherein the water bath kettle is positioned below the evaporating flask, and heats up the evaporating flask; the condensation tube is positioned on the upper half part in the distillation receiving flask; the lower end of the condensation tube is provided with a cooling water inlet, and the upper end of the condensation pipe is provided with a cooling water outlet; the opening of the receiving flask is provided with a vacuum pump extraction port; two ends of the gas guide tube are respectively communicated with the condensation tube and the evaporating flask; the magnetic stirrer comprises a stir bar, a motor and a magnet; the stir bar is arranged on the bottom in the evaporating flask; the bottom of the water bath kettle is provided with an interlayer; the motor and the magnet are connected and are arranged in the interlayer; and lifting platforms are arranged under the water bath kettle and the distillation receiving flask. According to the utility model, solutions in the evaporating flask are rotatably evaporated though the magnetic stirrer; the lifting of the gas guide tube and the evaporating flask is replaced by the lifting of the water bath kettle; and the magnetic stirring evaporimeter is not required to be sealed rotatably, is less prone to leakage, and is simple in structure, low in fault rate and low in cost compared with a rotary evaporimeter.
Description
Technical field
The utility model belongs to the experiment equipment field, particularly a kind of magnetic agitation evaporimeter.
Background technology
Evaporimeter receives the distillation of liquid when being mainly used in the concentrated and chromatographic isolation of extract, to separate and the purification reaction product.Its basic principle is exactly vacuum distillation, namely makes evaporative flask be in negative pressure state by vavuum pump, and by the water-bath heating, the solution evaporation in the evaporative flask becomes steam, arrives condensation rapidly in the condenser pipe by wireway.
The existing vaporising device in laboratory mostly is rotary evaporimeter, just when solution distills, evaporative flask is in continuous rotation, because evaporative flask and wireway link together, so wireway also will be along with evaporative flask rotates continuously, this will will rotate at support by the differentiate tracheae on the one hand, on the other hand also will lifting on support, this makes that the rotation and lifting drive unit of wireway is very complicated, fault rate is higher, and with support junction serious wear, vacuum is undesirable, sealing ring often needs to change, and use cost is higher.In sum, there is following shortcoming in existing vaporising device: 1, the rotation and lifting drive unit complexity of evaporative flask, break down easily; 2, wireway and support junction serious wear, sealing ring often need to change; 3, evaporative flask heating is inhomogeneous, causes the fraction collected impure.
The utility model content
At the deficiencies in the prior art, the utility model provides a kind of magnetic agitation evaporimeter that utilizes magnetic stirring apparatus to realize the solution rotating evaporation.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of magnetic agitation evaporimeter comprises water-bath, evaporative flask, wireway, condenser pipe, fraction receiving flask;
Water-bath is positioned at the below of evaporative flask evaporative flask is heated; Condenser pipe is positioned at the fraction receiving flask first half, and the condenser pipe lower end is that cooling water inlet, upper end are coolant outlet; The receiving flask bottle mouth position is provided with the vavuum pump bleeding point; The two ends of wireway are communicated with condenser pipe, evaporative flask respectively; It is characterized in that: also include magnetic stirring apparatus, magnetic stirring apparatus comprises stirrer, motor, magnet, and stirrer is arranged on the evaporative flask inner bottom part; The bottom of a pan of water-bath is provided with interlayer; Motor is connected with magnet, and both are arranged in the interlayer, and motor is connected with the startup power supply of water-bath.
The below of described water-bath and described fraction receiving flask is provided with lifting platform.
Also comprise fixed support, wireway is connected with fixed support.
Described evaporative flask is flat bottle.
Compared with prior art, the utlity model has following advantage and beneficial effect:
1, the utility model is by the rotary evaporation of solution in the magnetic stirring apparatus realization evaporative flask, and with the lifting of the alternative wireway of the lifting of water-bath and evaporative flask, it does not need rotatory sealing, is difficult for leaking, and device simply, and fault rate is low, and cost is low.
2, the automatic rotary evaporation under the effect of magnetic stirring apparatus of the solution in the evaporative flask in the utility model, during the water-bath heating, the magnetic stirring apparatus rotation, make the solution rotating thermally equivalent, increase the solution heating surface area, accelerate the evaporation of solution, make the interior solution temperature of evaporative flask even simultaneously, it is pure, efficient, practical to guarantee to collect the fraction height.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Wherein, 1-vavuum pump bleeding point, 2-coolant outlet, 3-condenser pipe, 4-cooling water inlet,
5-fraction receiving flask, 6-lifting platform, 7-motor, 8-magnet, 9-water-bath, 10-stirrer, 11-evaporative flask, 12-wireway, 13-fixed support.
The specific embodiment
Be described further below in conjunction with the utility model of embodiment shown in the drawings.
Shown in Fig. 1, the utility model comprises water-bath 9, evaporative flask 11, wireway 12, condenser pipe 3, fraction receiving flask 5, fixed support 13, magnetic stirring apparatus; Water-bath 9 is positioned at the below of evaporative flask 11 to evaporative flask 11 heating; Condenser pipe 3 is positioned at fraction receiving flask 5 first halves, and condenser pipe 3 lower ends are that cooling water inlet 4, upper end are coolant outlet 2; Fraction receiving flask 5 bottle mouth positions are provided with vavuum pump bleeding point 1; The two ends of wireway 12 are communicated with condenser pipe 3, evaporative flask 11 respectively; Magnetic stirring apparatus comprises stirrer 10, motor 7, magnet 8, and stirrer 10 is arranged on evaporative flask 11 inner bottom parts; The bottom of a pan of water-bath 9 is provided with interlayer; Motor 7 is connected with magnet 8, and both are arranged in the interlayer, and motor is connected with the startup power supply of water-bath; Water-bath 9 is provided with lifting platform 6 with the below of fraction receiving flask 5; Wireway 12 is connected with fixed support 13; Evaporative flask is flat bottle.
During the utility model work, make evaporative flask be in negative pressure state by vavuum pump earlier, again by the water-bath heated at constant temperature, simultaneously, motor drive magnets rotation in the water-bath interlayer, magnet drive the stirrer constant speed rotation under optimum speed in the evaporative flask, make bottle abundant whipping temp of interior solution even; Become steam after the low boiling composition of solution at first evaporates in the evaporative flask, arrive condensation rapidly in the condenser pipe by wireway.
Claims (4)
1. a magnetic agitation evaporimeter comprises water-bath, evaporative flask, wireway, condenser pipe, fraction receiving flask; Water-bath is positioned at the below of evaporative flask evaporative flask is heated; Condenser pipe is positioned at the fraction receiving flask first half, and the condenser pipe lower end is that cooling water inlet, upper end are coolant outlet; The receiving flask bottle mouth position is provided with the vavuum pump bleeding point; The two ends of wireway are communicated with condenser pipe, evaporative flask respectively; It is characterized in that: also include magnetic stirring apparatus, magnetic stirring apparatus comprises stirrer, motor, magnet, and stirrer is arranged on the evaporative flask inner bottom part; The bottom of a pan of water-bath is provided with interlayer; Motor is connected with magnet, and both are arranged in the interlayer, and motor is connected with the startup power supply of water-bath.
2. a kind of magnetic agitation evaporimeter according to claim 1, it is characterized in that: the below of described water-bath and described fraction receiving flask is provided with lifting platform.
3. a kind of magnetic agitation evaporimeter according to claim 1 and 2, it is characterized in that: also comprise fixed support, wireway is connected with fixed support.
4. a kind of magnetic agitation evaporimeter according to claim 1 and 2 is characterized in that: described evaporative flask is flat bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320122167 CN203123598U (en) | 2013-03-18 | 2013-03-18 | Magnetic stirring evaporimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320122167 CN203123598U (en) | 2013-03-18 | 2013-03-18 | Magnetic stirring evaporimeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203123598U true CN203123598U (en) | 2013-08-14 |
Family
ID=48931628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320122167 Expired - Fee Related CN203123598U (en) | 2013-03-18 | 2013-03-18 | Magnetic stirring evaporimeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203123598U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569357A (en) * | 2014-12-08 | 2015-04-29 | 大连北方分析仪器有限公司 | Method and device for detecting lubricating oil evaporation loss |
| US10260036B2 (en) | 2014-10-17 | 2019-04-16 | Sani-Tech West, Inc. | Mixing and filtering system and method |
| US10265667B2 (en) | 2014-03-17 | 2019-04-23 | Sani-Tech West, Inc. | Magnetic mixing system and method |
-
2013
- 2013-03-18 CN CN 201320122167 patent/CN203123598U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10265667B2 (en) | 2014-03-17 | 2019-04-23 | Sani-Tech West, Inc. | Magnetic mixing system and method |
| US11364475B2 (en) | 2014-03-17 | 2022-06-21 | Sani-Tech West, Inc. | Methods of preparing and using an aseptic mixing system |
| US10260036B2 (en) | 2014-10-17 | 2019-04-16 | Sani-Tech West, Inc. | Mixing and filtering system and method |
| US10501720B2 (en) | 2014-10-17 | 2019-12-10 | Sani-Tech West, Inc. | Mixing and filtering system |
| CN104569357A (en) * | 2014-12-08 | 2015-04-29 | 大连北方分析仪器有限公司 | Method and device for detecting lubricating oil evaporation loss |
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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 |
Granted publication date: 20130814 Termination date: 20150318 |
|
| EXPY | Termination of patent right or utility model |