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Rotary evaporator capable of carrying out measuring

A technology of rotary evaporator and evaporating flask, which is applied in the field of experimental equipment, can solve the problems that automatic control and quantitative measurement cannot be realized, and achieve the effect of high precision and simple operation of the instrument

Inactive Publication Date: 2014-04-30
武汉市华测检测技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] 1. Unable to achieve accurate quantitative measurement;
[0008] 2. Unable to realize automatic control;

Method used

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  • Rotary evaporator capable of carrying out measuring
  • Rotary evaporator capable of carrying out measuring
  • Rotary evaporator capable of carrying out measuring

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Experimental program
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Embodiment Construction

[0023] The circuit principle block diagram of detection module of the present invention is as figure 1 shown. Its circuit diagram includes a measurement unit 11 , a central processing unit 12 , a storage unit 13 , a result processing unit 14 and a power supply 15 . The measuring unit 11 includes a ring-shaped elastic sensitive element, and the measuring unit 11 is connected with the central processing unit 12 . The measurement unit 11 transmits the measurement signal to the central processing unit 12, and the central processing unit 12 calls the database of the remaining solution information and the corresponding measurement signal stored in the storage unit 13, and compares it with the measurement signal sent by the measurement unit 11, and then decides whether to give The result processing unit 14 sends a control signal. The power supply 15 supplies power to the measurement unit 11 and the central processing unit 13 . In the embodiment, the measuring unit 11 adopts a stra...

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Abstract

The invention discloses a rotary evaporator. The rotary evaporator comprises a water-bath kettle, an evaporation flask, a gas-guide tube and a condenser tube; the left end of the gas-guide tube is rotatably communicated with the condenser tube, and the evaporation flask is communicated with the right end of the gas-guide tube; the rotary evaporator further comprises a detection module which comprises a measuring unit, a central processing unit, a memory cell and a result processing unit, wherein, the measuring unit is used for measuring information about a residual solvent in the evaporation flask, converts the information into a measuring signal and transmits the measuring signal to the central processing unit, the memory cell stores a database of information about the residual solvent and corresponding measuring signals in advance, the central processing unit calls the database and determines whether to send a control signal to the result processing unit, and the result processing unit responds according to the control signal. According to the invention, the purpose of measuring the amount of a residual solution in the evaporation flask is finally realized by measuring deformation of a foil gauge.

Description

technical field [0001] The invention belongs to the field of experimental equipment and relates to a rotary evaporator. Background technique [0002] The rotary evaporator is mainly used for continuous distillation of a large amount of volatile solvents under reduced pressure, especially for the concentration of the extract and the distillation of the receiving liquid during chromatographic separation, which can separate and purify the reaction product. The working principle of the rotary evaporator is negative pressure distillation. The evaporation flask is placed in a negative pressure state through a vacuum pump, and the evaporation flask is controlled to rotate at a constant speed at the most suitable speed to increase the evaporation area. The evaporation flask is placed in a water bath for constant temperature heating, and the solution in the rotating flask is heated and diffused to evaporate under negative pressure. . The solution in the evaporating flask turns into...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01L3/16
Inventor 董宁石志娟刘文秋朱平郭勇
Owner 武汉市华测检测技术有限公司
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