CN213912393U - Continuous sample injection rotary evaporator device - Google Patents
Continuous sample injection rotary evaporator device Download PDFInfo
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- CN213912393U CN213912393U CN202022334749.3U CN202022334749U CN213912393U CN 213912393 U CN213912393 U CN 213912393U CN 202022334749 U CN202022334749 U CN 202022334749U CN 213912393 U CN213912393 U CN 213912393U
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Abstract
The utility model discloses a continuous sampling rotary evaporator device, including the rotary evaporator body, it has continuous inlet means, vacuum control device and vacuum collection device. Through this internal vacuum degree of vacuum controller controlling means, adjust the vacuum degree according to actual conditions gradually, can prevent that concentrated liquid from exploding and boiling, polluting the rotary evaporator. The liquid to be concentrated is automatically conveyed by the infusion pump, and a stopping device and an emptying vacuum degree are not needed in the concentration process, so that continuous operation is realized. 3 valves on the two receiving bottles are controlled by the electromagnetic valve, so that the automatic discharge of waste liquid is realized. The vacuum controller controls the vacuum size of the whole concentration system, the liquid evaporation amount is adjusted to be consistent with the addition amount, the continuous operation of sample introduction is realized, the vacuum degree is balanced when the device drains liquid and exhausts, and the auxiliary device continuously performs evaporation concentration operation.
Description
Technical Field
The utility model relates to a rotary evaporator technical field especially relates to a continuous sampling rotary evaporator device.
Background
The rotary evaporator is common instrument equipment in the chemical field, is used for removing volatile solvent parts in mixed liquid and reserving nonvolatile or nonvolatile parts to achieve the purposes of reducing the liquid volume and increasing the liquid concentration; it is generally composed of a vacuum device, a cooling device, a heating device, a rotating device, a receiving device, and the like. At present, a rotary evaporator commonly used in a laboratory adds a proper amount of liquid into a rotary evaporation bottle before concentration, the vacuum is closed after heating and concentrating for a period of time, the rotary evaporation bottle is taken down, the liquid is added again, the operation is repeated until large-volume liquid needing to be concentrated is added, the rotary evaporator and a vacuum device are required to be continuously closed in the heating and concentrating process, and the rotary evaporation bottle is manually taken down to add the liquid; or after the receiving bottle is full of liquid, the operation needs to be stopped, and the receiving bottle is emptied and then reused, so that the operation is inconvenient, particularly when a large-capacity evaporation bottle is used for concentration or the liquid volume is extremely large. And the commonly used rotary evaporator has constant vacuum degree, the liquid volume is larger after the concentration is started, the liquid in the evaporation bottle is easy to boil suddenly due to the overlarge vacuum degree, the liquid is flushed into the receiving bottle to pollute the rotary evaporator, the rotary evaporator needs to be cleaned and then used again, and the time and the energy are wasted.
Disclosure of Invention
To the problem that exists, the utility model aims at providing a continuous sampling rotary evaporator device, it has continuous inlet means, vacuum control device and vacuum collection device. The cooperation of continuous inlet means, vacuum control device and vacuum collection device three realizes the needs of device body continuous operation, has solved the operation that needs frequently handle condensation waste liquid and draw the vacuum again at present.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a advance appearance device in succession, includes the rotary evaporator body, its condenser pipe and receiving flask, rotary evaporator bottle that have the intercommunication and be used for power device and the heating device that rotary evaporator bottle is rotatory and heat, be connected with the circulative cooling pump on the condenser pipe, wherein be equipped with the slant four-way pipe between condenser pipe and the receiving flask, rotary evaporator bottle is linked together with slant four-way pipe port, and the other end relative with this port is connected with the continuous inlet means of orientation rotary evaporator bottle circulation, be equipped with on the condenser pipe and be used for control the vacuum control device of this internal vacuum of rotary evaporator, the receiving flask bottom is connected with vacuum collection device.
Preferably, continuous inlet means includes sample tube and the transfer pump of being connected with slant four-way pipe port, just sample tube and slant four-way pipe connection one end extend to in the rotatory evaporating flask.
Preferably, the vacuum control means comprises a vacuum controller and a vacuum pump connected within the rotary evaporator body.
Preferably, the vacuum collection device comprises a first valve, a first receiving bottle, a second valve and a waste liquid collector which are sequentially connected to the bottom of the receiving bottle, an exhaust valve is arranged on the first receiving bottle, and the vacuum collection device further comprises an electromagnetic valve used for controlling the first valve, the second valve and the exhaust valve.
The utility model has the advantages that: (1) through this internal vacuum degree of vacuum controller controlling means, adjust the vacuum degree according to actual conditions gradually, can prevent that concentrated liquid from exploding and boiling, polluting the rotary evaporator. (2) The liquid to be concentrated is automatically conveyed by the infusion pump, and a stopping device and an emptying vacuum degree are not needed in the concentration process, so that continuous operation is realized. (3) 3 valves on the two receiving bottles are controlled by the electromagnetic valve, so that the automatic discharge of waste liquid is realized. (4) The vacuum controller controls the vacuum size of the whole concentration system, the liquid evaporation amount is adjusted to be consistent with the addition amount, the continuous operation of sample introduction is realized, the vacuum degree is balanced when the device drains liquid and exhausts, and the auxiliary device continuously performs evaporation concentration operation.
Drawings
Fig. 1 is the overall structure diagram of the rotary evaporator device of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following describes the technical solution of the present invention with reference to the accompanying drawings and embodiments.
Referring to the attached figure 1, the continuous sample feeding rotary evaporator device comprises a rotary evaporator body, wherein the rotary evaporator body is provided with a condenser pipe 1, a receiving bottle 2, a rotary evaporation bottle 3, a power device and a heating device which are used for rotating and heating the rotary evaporation bottle 3. The power device comprises a vacuum glass rotating shaft 18 and a motor 17 which are arranged on the bracket 100, and the rotary evaporation bottle 3 is connected with the vacuum glass rotating shaft 18 and is driven to rotate by the motor 17. The heating device is a heater 16 which is arranged at the bottom of the rotary evaporation bottle 3 and fixed on the bracket 100, and is preferably one of water bath heating, oil bath heating or electric heating sleeve heating to heat the rotary evaporation bottle 3. The condenser pipe 1 (preferably a snake-shaped condenser pipe) is connected with a circulating cooling pump 15, the circulating cooling pump 15 is connected with the snake-shaped pipe in the condenser pipe 1 to form a complete loop, cooling liquid passes through the cooling pump 15 and then is at low temperature, and the cooling liquid continuously flows in the whole loop to play a cooling role.
In order to realize the continuous work of the rotary evaporator, an inclined four-way pipe 4 is arranged between the condensation pipe 1 and the receiving bottle 2, the rotary evaporator bottle 3 is communicated with one port of the inclined four-way pipe 4, the other end opposite to the port is connected with a continuous liquid inlet device which circulates towards the rotary evaporator bottle 3, the continuous liquid inlet device solves the problem that a frequent stopping device is needed to discharge condensed waste liquid and extract vacuum again, and the continuity of the integral operation of the rotary evaporator device is improved. Wherein, each port of the preferred slant four-way pipe 4 all sets up to grind mouthful and is connected with other pipelines to cooperate the sealing washer to seal.
In order to balance the vacuum degree caused by liquid change in the device and timely discharge the condensed waste liquid, a vacuum control device for controlling the vacuum degree in the rotary evaporator body is arranged on the condensation pipe 1, and the bottom of the receiving bottle 2 is connected with a vacuum collecting device. Excessive condensate is discharged in time through a vacuum collecting device, and the continuous operation of a continuous liquid inlet device is assisted; and the vacuum collection device balances the fluctuation of the vacuum degree in the device body when the waste liquid is discharged. The cooperation of continuous inlet means, vacuum control device and vacuum collection device three realizes the needs of device body continuous operation, has solved the operation that needs frequently handle condensation waste liquid and draw the vacuum again at present.
Specifically, continuous inlet means includes the sampling pipe 5 and the transfer pump 6 of being connected with slant four-way pipe port, just sampling pipe 5 is connected one end with slant four-way pipe 4 and is extended to in the rotatory evaporation bottle 3. The condensate to be evaporated is continuously conveyed into the rotary evaporation bottle 3 for treatment through the infusion pump 6 and the sampling pipe 5.
Specifically, the vacuum control means includes a vacuum controller 7 and a vacuum pump 8 connected to the inside of the rotary evaporator body. The vacuum degree in the rotary evaporator body is balanced and adjusted through the matching of the rotary evaporator and the vacuum degree, so that the device is in a stable evaporation vacuum degree.
Specifically, the vacuum collection device comprises a first valve 9, a first receiving bottle 10, a second valve 11 and a waste liquid collector 12 which are sequentially connected to the bottom of the receiving bottle 2, an exhaust valve 13 is arranged on the first receiving bottle 10, and the vacuum collection device further comprises an electromagnetic valve 14 used for controlling the first valve 9, the second valve 11 and the exhaust valve 13. When the rotary evaporator device is operated, the evaporated condensate waste liquid is collected in the first receiving bottle 10, when the waste liquid reaches the two-thirds capacity of the first receiving bottle 10, the electromagnetic valve 14 closes the first valve 9, so that the waste liquid is temporarily stored in the receiving bottle 2, then the second valve 11 and the exhaust valve 13 are opened, the waste liquid is discharged into the waste liquid collector 12, after the discharge is completed, the second valve 11 and the exhaust valve 13 are closed, then the first valve 9 is opened, so that the waste liquid is stored in the first receiving bottle 10 again, the operation is repeated until all the evaporated liquid is evaporated, and the waste liquid in the waste liquid collector 12 is collected and processed uniformly. When discharging the waste liquid, remain throughout and be in the state of vacuum in the rotary evaporation appearance device, carry out balanced adjustment through vacuum controller 7 to this internal vacuum of rotary evaporation appearance for be in stable evaporation vacuum in the device, accomplish the continuous emission of feed liquor, evaporative concentration, waste liquid in succession.
The principle of the utility model is that: firstly, a heater switch 16 is turned on, heating is carried out to the required temperature, a vacuum pump 8 is turned on, so that the interior of the rotary evaporator body is at negative pressure, a cooling pump 15 is turned on, so that a snake-shaped condensation pipe in a condenser 1 is filled with low-temperature condensation liquid, an infusion pump 6 is turned on, liquid to be concentrated is conveyed into a rotary evaporation bottle 3 through a feeding pipe 5, a motor 17 is turned on, the rotary evaporation bottle 3 is rotated, the size of a vacuum controller 7 is adjusted, so that the evaporation capacity and the conveying capacity of the liquid are basically consistent, and continuous work is started. When the waste liquid reaches two thirds of the capacity of the first receiving bottle 10, the electromagnetic valve 14 closes the first valve 9, so that the waste liquid is temporarily stored in the receiving bottle 2, then the second valve 11 and the exhaust valve 13 are opened, the waste liquid is discharged into the waste liquid collector 12, after the discharge is finished, the second valve 11 and the exhaust valve 13 are closed, then the first valve 9 is opened, so that the waste liquid is stored in the first receiving bottle 10 again, the operation is repeated, and the waste liquid in the waste liquid collector 12 is collected and treated uniformly until all the liquid to be evaporated is evaporated. Whole concentrated flow lasts, goes on automatically, and until treating concentrated liquid and handling completely, the stop heating closes vacuum pump 8, and this internal vacuum of rotary evaporation appearance is taken off to the evacuation, is in rotatory evaporation bottle 3 when the ordinary pressure, pours the concentrate, accomplishes whole concentration process.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a continuous sampling rotary evaporator device, includes the rotary evaporator body, its condenser pipe (1) and receiving flask (2) that have the intercommunication, rotary evaporator bottle (3) and be used for power device and the heating device of rotary evaporator bottle (3) rotation and heating, be connected with circulative cooling pump (15) on condenser pipe (1), wherein be equipped with slant four-way pipe (4) between condenser pipe (1) and receiving flask (2), rotary evaporator bottle (3) are linked together with slant four-way pipe (4) one port, and the other end relative with this port is connected with the continuous inlet means of orientation rotary evaporator bottle (3) circulation, be equipped with on condenser pipe (1) and be used for control the vacuum control device of this internal vacuum of rotary evaporator, receiving flask (2) bottom is connected with vacuum collection device.
2. The continuous feed rotary evaporator device according to claim 1, characterized in that: continuous inlet means includes sample tube (5) and transfer pump (6) of being connected with slant four-way pipe port, just sample tube (5) are connected one end with slant four-way pipe (4) and are extended to in rotatory evaporating flask (3).
3. The continuous feed rotary evaporator device according to claim 2, characterized in that: the vacuum control device comprises a vacuum controller (7) and a vacuum pump (8) which are connected into the rotary evaporator body.
4. A continuous feed rotary evaporator apparatus according to claim 3, wherein: the vacuum collection device comprises a first valve (9), a first receiving bottle (10), a second valve (11) and a waste liquid collector (12) which are sequentially connected to the bottom of the receiving bottle (2), an exhaust valve (13) is arranged on the first receiving bottle (10), and the vacuum collection device further comprises an electromagnetic valve (14) used for controlling the first valve (9), the second valve (11) and the exhaust valve (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022334749.3U CN213912393U (en) | 2020-10-20 | 2020-10-20 | Continuous sample injection rotary evaporator device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022334749.3U CN213912393U (en) | 2020-10-20 | 2020-10-20 | Continuous sample injection rotary evaporator device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213912393U true CN213912393U (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022334749.3U Active CN213912393U (en) | 2020-10-20 | 2020-10-20 | Continuous sample injection rotary evaporator device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213912393U (en) |
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2020
- 2020-10-20 CN CN202022334749.3U patent/CN213912393U/en active Active
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