Automatic control fractionation device and application thereof
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A fractionation device and control module technology, applied in the field of distillation, can solve the problems of difficult distillation temperature switching and separation, limited sample size, not enough to expand the sample, etc., to reduce visual fatigue, simple structure, simple and easy operation Effect
Inactive Publication Date: 2013-03-20
UNIV OF JINAN
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[0002] In the experiment, some samples to be distilled or extracted have a limited amount of samples, and the extremely limited samples are operated in a large-scale equipment such as a distillation tower, which is obviously not enough to expand the samples, and the device is complicated and costly
Use a simple distillation device to separate components with different boiling points. In a simple distillation device, you need to observe the change of the distillation temperature at any time during operation, which will cause visual fatigue over time. Even if you stare at the thermometer closely, it is difficult to control the distillation temperature for switching and separation.
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Embodiment 1
[0020] Automatically controlled fractionation device and application, including iron stand A1, rubber stopper A2, temperature sensor 3, three-way distillation head 4, condenser pipe 5, iron clip A6, iron stand B7, liquid pipe 8, PLC control module 9, pressure Balance hole 10, rubber plug B11, diversion tube 12, four-position three-way electric valve 13, diversion hose A14, diversion hose B15, diversion hose C16, liquid receiving bottle A17, liquid receiving bottle B18, connecting Liquid bottle C19, lifting table 20, temperature-controlled dry bath 21, temperature knob 22, single-mouth flask 23, iron clamp B24, characterized in that: the single-mouth flask 23 is fixed on the iron stand A1 by clamping the neck of the single-mouth flask 23 with iron clamp B24 , the belly of the single-necked flask 23 is placed in the temperature-controlled dry bath 21, the mouth of the single-necked flask 23 is connected to the lower port of the three-way distillation head 4, the upper port of the...
Embodiment 2
[0023] The fractionation device of automatic control and the operating steps of application are characterized in that:
[0024] Step 1: write the temperature control conditions required for the materials to be distilled and separated into the PLC control module 9;
[0025] Step 2: Pack the feed liquid that needs to be fractionated into the single-necked flask 23, connect and install the automatically controlled fractionation device according to the method described in Embodiment 1, and connect the cooling water of the condensation pipe 5;
[0026] Step 3: Turn on the power, turn on the temperature-controlled dry bath 21 to heat the feed liquid in the single-mouth flask 23 until the first boiling point component is distilled out, and through condensation, the liquid connection pipe 8, the draft pipe 12, and the four-position The three-way electric valve 13 and the diversion hose A14 enter the liquid receiving bottle A17;
[0027] Step 3: When the first low-temperature componen...
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Abstract
The invention discloses an automatic control fractionation device and application thereof and relates to the technical field of distillation. The automatic control fractionation device is characterized in that a flask belly of a single-opening flask is arranged in a temperature control dry bath boiler; the single-opening flask is connected with a three-way distillation head; an upper opening of the three-way distillation head is connected to a temperature sensor; the temperature sensor is connected with a programmable logic controller (PLC); the PLC is connected with a four-position three-way electric valve; the side opening of the three-way distillation head is connected with an inlet of a condensation pipe; an outlet of the condensation pipe is connected with a liquid receiving pipe; and the four-position three-way electric valve is connected with a liquid receiving bottle. The application comprises the following steps of: 1, writing a program about temperature control conditions required by materials to be distilled and separated into the PLC; 2, placing material liquid to be fractionated into the single-opening flask; 3, enabling the material liquid to flow into the liquid receiving bottle A through the liquid receiving pipe, the four-position three-way electric valve and a guide hose A; and 4, when low-temperature components are completely distilled, rising the temperature, sending a signal to a PLC control module by the temperature sensor, sending out an instruction from the PLC to switch the position of the electric valve. The automatic control fractionation device has the characteristic of simple structure and can precisely control fractionation of components with different boiling points.
Description
technical field [0001] The automatically controlled fractionation device and its application relate to the technical field of distillation. Background technique [0002] In the experiment, some samples to be distilled or extracted have a limited amount of samples, and the extremely limited samples are operated in a large-scale equipment such as a distillation tower, which is obviously not enough to expand the samples, and the device is complicated and costly. Use a simple distillation device to separate components with different boiling points. In a simple distillation device, you need to observe the change of the distillation temperature at any time during operation, which will cause visual fatigue over time. Even if you stare closely at the thermometer, it is difficult to control the distillation temperature for switching and separation. Contents of the invention [0003] In order to overcome the deficiencies in the above-mentioned prior art, one of the purposes of the p...
Claims
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Application Information
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