CN209735009U - Water-saving type condensing agent-free rotary evaporator - Google Patents
Water-saving type condensing agent-free rotary evaporator Download PDFInfo
- Publication number
- CN209735009U CN209735009U CN201822169740.4U CN201822169740U CN209735009U CN 209735009 U CN209735009 U CN 209735009U CN 201822169740 U CN201822169740 U CN 201822169740U CN 209735009 U CN209735009 U CN 209735009U
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- compressor
- water
- rotary evaporator
- heat exchanger
- temperature
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- 239000007788 liquid Substances 0.000 claims abstract description 48
- 238000004821 distillation Methods 0.000 claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 238000005485 electric heating Methods 0.000 claims abstract description 23
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 239000000523 sample Substances 0.000 claims description 31
- 208000028659 discharge Diseases 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 6
- 239000004809 Teflon Substances 0.000 claims description 4
- 229920006362 Teflon® Polymers 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 238000001704 evaporation Methods 0.000 abstract description 14
- 230000008020 evaporation Effects 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 8
- 239000003507 refrigerant Substances 0.000 abstract description 7
- 238000007906 compression Methods 0.000 abstract description 5
- 230000006835 compression Effects 0.000 abstract description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 3
- 235000011089 carbon dioxide Nutrition 0.000 abstract description 3
- 239000000498 cooling water Substances 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to an evaporation equipment technical field especially, relates to a rotary evaporator, in particular to water-saving no condensing agent rotary evaporator. Rotatory evaporimeter, carry out creative improvement on the basis of the structure of current rotatory evaporimeter, it utilizes vapor compressor compression to condense for liquid evaporation gaseous state material with the condensing system in the past, miniature heat exchanger carries out the heat exchange to add the rethread, utilize through the high and apparent difference of treating distillation sample low temperature of compressed fraction temperature, the realization is treated the continuous heating of distillation sample, electric heating only is used as the start-up heating of driving or treats the supplementary heating when the distillate temperature is not enough, not only energy-conserving like this, the condensing system subassembly and the cooling water of having saved original rotatory evaporimeter, ice-cube, refrigerant such as dry ice, the water resource has been practiced thrift, water bath (oil) pot and operating system and angular adjustment system subassembly have still been saved, be particularly useful for the lack of water environment and have higher requirement's environment in the aspect of energy-conservation.
Description
Technical Field
The utility model relates to an evaporation equipment technical field especially, relates to a rotary evaporator, in particular to rotary evaporator of water-saving no condensing agent.
Background
The rotary evaporator is extraction experimental equipment for carrying out reduced pressure distillation concentration on materials, is widely applied to experiments of scale concentration, drying, extraction recovery and the like of samples, and is particularly used for quickly distilling a large amount of solvents. The existing rotary evaporator is generally composed of components such as a vacuumizing device, a heating device, a condensing device, a rotating device and the like, the principle of the rotary evaporator is mainly that the flask is controlled by electronic equipment, the flask is rotated at a constant speed under the most suitable rotating speed to enable a solvent to form a thin film, the evaporation area is increased, the evaporation flask is in a negative pressure state through a vacuum pump, the evaporation flask is placed in a water bath pot or an oil bath pot for constant temperature heating while rotating, the heating temperature can be close to the boiling point of the solvent, the solution in the flask is heated and diffused under the negative pressure to be evaporated, and the rapid evaporation of the solvent is realized.
Most of rotary evaporators used in the prior art rely on tap water to cool evaporated gaseous substances to obtain separated fractions, and cooling water in the use process of the rotary evaporators is usually directly discharged, so that a large amount of water resource waste is caused; there is also a problem that the use is limited in a water-deficient environment. There are also a few rotary evaporators which use dry ice or the like as a refrigerant or add a refrigeration device to condense gaseous substances, but there still exists a problem that refrigerant materials are wasted or extra refrigerant is used.
SUMMERY OF THE UTILITY MODEL
The utility model provides a water-saving no condensing agent rotary evaporator has solved among the prior art rotary evaporator and has had the extravagant and can't the problem of using under the water-deficient environment of refrigerant.
In order to realize the purpose, the utility model provides a water-saving rotary evaporator without condensing agent, which comprises a bracket, wherein a detachable distillation flask is fixed on the bracket, and the distillation flask is driven to rotate by a rotating motor;
A feeding pipe is arranged in the feeding channel of the distillation flask and is used for feeding the distillate to be distilled; and a discharge port is formed in the side wall of the feeding channel and communicated with a steam inlet of a steam compressor, and evaporated gaseous substances are compressed into fractions by the steam compressor and flow out from a compressor outlet of the steam compressor.
The vapor compressor comprises a rotary vane compressor, a Roots compressor, a centrifugal compressor, a piston compressor or a screw compressor;
preferably, the vapor compressor may be of a variable frequency type.
Preferably, the vapor compressor is resistant to corrosion, water vapor, and no or minimal contamination of the system.
a micro vacuum pump is further arranged between the discharge hole and the steam inlet and is used for increasing the steam suction force and assisting the evaporated gaseous substance to enter the steam compressor;
A demister can be arranged between the micro vacuum pump and the steam inlet according to requirements.
Whether the micro vacuum pump and the demister are arranged or not is related to the property of the distilled material.
And a steam temperature sensor and/or a steam pressure sensor are/is arranged between the discharge port and the micro vacuum pump, so that the distillation process is monitored in real time.
The water-saving type non-condensing agent rotary evaporator is also provided with a micro heat exchanger, and the micro heat exchanger is respectively communicated with the outlet of the compressor and the feeding pipe and is used for heat exchange between the fraction with higher temperature and the distillate to be distilled with lower temperature, so that the continuous heating of the distillate to be distilled is realized.
a low-temperature liquid inlet pipe is formed in the heat exchanger, and a heat exchange cavity is formed between the low-temperature liquid inlet pipe and the side wall of the heat exchanger; the low-temperature liquid inlet pipe is communicated with the feeding pipe; the heat exchange cavity is communicated with the compressor outlet of the vapor compressor, and the liquid fraction after heat exchange flows out through the fraction outlet of the heat exchanger and is collected.
The heat exchanger may be a teflon heat exchanger made of teflon, or a corrosion-resistant metal heat exchanger made of a corrosion-resistant metal, such as titanium, stainless steel, or an alloy.
Specifically, the low-temperature liquid inlet pipe in the micro heat exchanger may be a straight pipe structure or a serpentine pipe structure.
preferably, the micro heat exchanger is made of titanium or titanium alloy, and a low-temperature liquid inlet pipe in the micro heat exchanger is of a serpentine pipe structure so as to ensure a good heat exchange effect.
The heating assembly comprises an electric heating belt arranged on the outer wall of the distillation flask and is used for starting heating during the operation of distillation or supplementing heating when the temperature of distillate is too low; and the number of the first and second groups,
the glass fiber band is arranged on the outer layer of the electric heating band and used for realizing heat insulation and fixation of the electric heating band;
A temperature controller sensor probe is also arranged between the electric heating belt and the distillation flask and used for sensing the heating temperature.
A sample injection liquid flow controller is arranged at the outlet of the low-temperature liquid inlet pipe of the micro heat exchanger and used for controlling the primary sample injection amount of a sample injection sample flowing out of the low-temperature liquid inlet pipe, and the sample injection interval time is controlled by a control panel; and a distillate liquid flow controller is arranged at the distillate outlet of the micro heat exchanger and used for controlling the primary discharge amount of distillate and controlling the discharge interval time by a control panel.
The control panel is respectively connected with the rotating motor, the steam compressor, the micro vacuum pump, the electric heating belt, the temperature controller sensor, the steam temperature sensor, the steam pressure sensor, the sample injection liquid flow controller and the fraction liquid flow controller in an electric control mode, and each distillation link is completed under the control of the control panel.
rotatory evaporimeter utilizes vapor compressor to compress into the gaseous state material of evaporation into liquid, the mixed fraction of gaseous state, has left out refrigerant such as condensation subassembly and cooling water, ice-cube, dry ice, has practiced thrift the water resource greatly, is particularly useful for the environment that lacks water environment and have higher requirement in energy-conserving aspect.
Rotatory evaporimeter has further set up miniature heat exchanger, utilizes fraction temperature height and the feeding treat that the distillate temperature is low showing the difference in temperature, carries out the heat exchange in heat exchanger inside, and the feeding treats concentrate because the heat exchange is sustained heating, has effectively saved the required heating energy consumption of evaporation.
And simultaneously, rotatory evaporimeter to electric heating tape replaces current water bath pot or oil bath pot as heating element, is used for right the retort is driven and is started the heating or treat the auxiliary heating when the distillate temperature is not enough, makes the volume of rotatory evaporimeter reduce greatly on the one hand, has reduced the heating water consumption and the oil consumption in the evaporation process moreover, has still saved the heating pot, has practiced thrift the running cost.
Drawings
Fig. 1 is a schematic structural view of a rotary evaporator according to the present invention;
Labeled as: 1-support, 2-distillation flask, 3-rotating motor, 4-feeding channel, 5-feeding pipe, 6-discharging port, 7-steam compressor, 8-steam inlet, 9-compressor outlet, 10-vacuum pump, 11-heat exchanger, 12-fraction outlet, 13-collecting bottle, 14-low-temperature liquid inlet pipe, 15-heat exchange cavity, 16-electric heating band, 17-glass fiber band, 18-temperature controller sensor, 19-steam temperature sensor, 20-steam pressure sensor, 21-control panel, 22-sample liquid flow controller, 23-fraction liquid flow controller, 24-one-way valve and 25-demister.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to the structure shown in fig. 1, the water-saving type rotary evaporator without condensing agent of the present invention comprises: the distillation apparatus comprises a support 1, wherein a detachable distillation flask 2 is fixed on the support 1, and a distillate to be distilled is contained in the distillation flask 2.
Still be provided with control on the support 1 the rotatory rotating electrical machines 3 of retort 2, the utility model discloses rotatory evaporimeter still is equipped with control rotating electrical machines parameter rotational speed and heating temperature's control panel 21 to and control rotational speed, heating temperature's control assembly etc..
As shown in fig. 1, in the water-saving type rotary evaporator without condensing agent of the present invention, a feeding pipe 5 is arranged in a feeding channel 4 of the distillation flask 2 for feeding the distillate; a discharge port 6 is formed at the side wall of the feed channel 4 for discharging the evaporated gaseous substance.
The rotary evaporator shown in fig. 1 is further provided with a vapor compressor 7 for compressing the evaporated gaseous substance into a liquid, gaseous mixture of fractions. The vapor inlet 8 of the vapor compressor 7 is communicated with the discharge port 6, and the vapor evaporated by the distillation flask 2 enters the vapor compressor 7 to be compressed into distillate and flows out through the compressor outlet 9 of the vapor compressor 7.
Because of the compression, the temperature of the mixture of liquid and gas after compression is increased by 10-20 ℃ or even more than 20 ℃ compared with the temperature of the gas before compression.
As an optional scheme, the vapor compressor 7 of the present invention may be a roots compressor, a centrifugal compressor, a piston compressor, a screw compressor or a vane compressor, and preferably a variable frequency compressor; and preferably requires that the vapor compressor 7 be resistant to corrosion, resistant to water vapor, and cause no or minimal system contamination.
As optional scheme, rotary evaporator still can set up micro vacuum pump 10 as required, micro vacuum pump 10 set up in discharge gate 6 with between the steam inlet 8, be used for the assistance the gaseous state material of evaporation gets into vapor compressor 7 compresses. A steam temperature sensor 19 and/or a steam pressure sensor 20 are/is arranged between the discharge port 6 and the micro vacuum pump 10 and are used for monitoring the distillation process in real time.
A demister 25 can be arranged between the micro vacuum pump 10 and the steam inlet 8 according to requirements; whether the micro vacuum pump 10 and the demister 25 are arranged or not is related to the properties of the distilled materials. The gas separated by the demister 25 enters the steam compressor 7 through the steam inlet 8, and the liquid separated by the demister 25 flows into the heat exchange chamber 15 or is discharged for discarding.
As the rotary evaporator shown in figure 1, the rotary evaporator is further provided with a micro heat exchanger 11, the micro heat exchanger 11 respectively with the compressor outlet 9 and the inlet pipe 5 are communicated for realizing the sufficient heat exchange of the distillate to be treated at high temperature and low temperature, so that the distillate to be treated is continuously heated by using the latent heat of the self in the system, and the energy consumption of the system is saved. Specifically, a low-temperature liquid inlet pipe 14 is formed inside the heat exchanger 11, and a heat exchange cavity 15 is formed between the low-temperature liquid inlet pipe 14 and the wall of the heat exchanger 11; the low-temperature liquid inlet pipe 14 is communicated with the feeding pipe 5; the heat exchange chamber 15 is in communication with the compressor outlet 9 of the vapor compressor 7, and the liquid fraction after heat exchange flows out through a fraction outlet 12 of the heat exchanger 11 and is collected by a collection bottle 13 in communication with the fraction outlet 12. Preferably, a check valve 24 is further provided at the fraction outlet 12 as required to prevent the occurrence of a reverse flow phenomenon.
A sample liquid flow controller 22 is arranged at the outlet of the low-temperature liquid inlet pipe 14 of the micro heat exchanger 11 and used for controlling the primary sample amount of a sample flowing out of the low-temperature liquid inlet pipe 14, and the control panel 21 controls the sample interval time; a distillate liquid flow controller 23 is provided at the distillate outlet 12 of the micro heat exchanger 11 for controlling the primary discharge amount of distillate and the discharge interval time is controlled by the control panel 21.
The micro heat exchanger 11 may be made of teflon, or may be made of corrosion-resistant metal, such as titanium, stainless steel or alloy; the low-temperature liquid inlet pipe 14 in the micro heat exchanger 11 may be a straight pipe structure or a serpentine pipe structure.
Preferably, the micro heat exchanger 11 is made of titanium or an alloy thereof, and the low-temperature liquid inlet pipe 14 in the micro heat exchanger 11 is of a serpentine pipe structure, so as to ensure a good heat exchange effect.
In the structure of the rotary evaporator shown in fig. 1, the heating component is used for starting the driving of the distillation flask 2 for distilling the distillate or assisting the distillation flask in heating when the temperature of the distillate is insufficient, in this embodiment, the heating component is an electric heating tape 16 wound around the outer wall of the distillation flask 2, the electric heating tape 16 heats and evaporates the distillate therein through the heat conduction of the wall of the distillation flask 2, and preferably, the electric heating tape 16 is wound around the outer wall of the distillation flask 2 in a ring shape, so as to ensure uniform heating. Meanwhile, a glass fiber tape 17 is arranged outside the electric heating tape 16 and used as a heat insulation material and a fixing layer to realize heat insulation and fixing of the electric heating tape, and a probe of a temperature controller sensor 18 is arranged between the electric heating tape 16 and the outer wall of the distillation flask 2 to detect the heating temperature.
The distillation is started, a small amount of sample to be distilled enters the distillation flask 2 under the control of the injection liquid flow controller 22, the temperature of the sample to be distilled is generally between room temperature and 35 ℃, the distillation flask 2 is driven by the rotating motor 3 to rotate, and is heated by an electric heating belt 16, the temperature of the heated distillation sample generally reaches a certain preset value of 36-59 ℃, the evaporation gas enters the vapor compressor 7 under the suction action of the vapor compressor 7 or the vapor compressor 7 and the micro vacuum pump 10 and is compressed into a liquid and gas mixture, the temperature is obviously increased in the compression process, the compressed fluid is generally at 46-90 ℃, the compressed fluid flows out from the outlet 9 of the compressor and flows into the heat exchange cavity 15 of the micro heat exchanger 11, after the heat exchange chamber 15 stays for the time preset by the control panel, the one-way valve 24 is opened, and part of distillate flows into the collecting bottle 13 under the control of the distillate liquid flow controller 23; the sample to be distilled staying in the low-temperature liquid inlet pipe 14 enters the distillation flask 2 in batches continuously under the control of the sample injection liquid flow controller 22, when the temperature of the sample to be distilled reaches a preset temperature, generally a certain preset value in 36-59 ℃, the electric heating belt 16 stops heating, the micro heat exchanger 11 finishes the continuous heating of the sample to be distilled, the enthalpy value of the sample to be distilled is increased, and the purpose that the system maintains the distillation operation by utilizing the self latent heat is achieved.
According to the rotary evaporator shown in the figure 1, the optimal experimental parameters of the sample to be distilled are calculated, estimated and experimentally found out according to different samples to be distilled, such as: the optimal operation parameters of the system are obtained by the initial sample injection amount, the later sample injection amount, each sample injection time interval, the discharge amount of fractions and each discharge time interval, and the system is controlled by the control panel to continuously operate under the optimal condition, so that the aims of saving water and energy are fulfilled.
rotatory evaporimeter is owing to do not use the condensation subassembly to condense the gaseous state material of evaporation, so need not to use refrigerant such as comdenstion water, simultaneously, what the evaporation of retort adopted is electric heating assembly, need not to use water (oil) to bathe the heating, has further practiced thrift the water resource, has saved the energy.
Among the rotary evaporator, control panel 21 respectively with rotating electrical machines 3, vapor compressor 7, micro vacuum pump 10, electric heating band 16, temperature controller sensor 18, steam temperature sensor 19, vapor pressure sensor 20, advance kind liquid flow controller 22, fraction liquid flow controller 23 and the 24 communication links of check valve, accomplish each link of distillation under control panel 21's control.
The embodiments of the present invention have been described in detail, and the principles and embodiments of the present invention have been explained herein using specific embodiments, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. a water-saving type condensing agent-free rotary evaporator is characterized by comprising a support (1), wherein a detachable distillation flask (2) is fixed on the support (1), and the distillation flask (2) is driven to rotate by a rotating motor (3) and is electrically controlled by a control panel (21);
A feeding pipe (5) is arranged in the feeding channel (4) of the distillation flask (2) and is used for feeding the distillate to be distilled; a discharge port (6) is formed in the side wall of the feeding channel (4), the discharge port (6) is communicated with a steam inlet (8) of a steam compressor (7), and evaporated gaseous substances are compressed by the steam compressor (7) and flow out through a compressor outlet (9) of the steam compressor (7).
2. A water-saving non-condensing agent rotary evaporator according to claim 1, wherein the vapor compressor (7) includes a vane compressor, a roots compressor, a centrifugal compressor, a piston compressor, or a screw compressor.
3. A water-saving non-condensing agent rotary evaporator according to claim 1 or 2, wherein a micro vacuum pump (10) is further disposed between the discharge port (6) and the steam inlet (8) for increasing the suction force of steam as needed to assist the evaporated gaseous substance to enter the steam compressor (7).
4. a water-saving non-condensing agent rotary evaporator according to claim 3, wherein a demister (25) is further provided between the micro vacuum pump (10) and the steam inlet (8).
5. A water-saving non-condensing agent rotary evaporator according to claim 4, wherein a steam temperature sensor (19) and/or a steam pressure sensor (20) is/are provided between the discharge port (6) and the micro vacuum pump (10) to monitor the distillation process in real time.
6. A water-saving non-condensing agent rotary evaporator according to claim 5, characterized in that a micro heat exchanger (11) is further provided, and the micro heat exchanger (11) is respectively communicated with the compressor outlet (9) and the feeding pipe (5) for heat exchange between the fraction with higher temperature and the distillate to be distilled with lower temperature, so as to realize continuous heating of the distillate to be distilled;
A low-temperature liquid inlet pipe (14) is formed inside the micro heat exchanger (11), and a heat exchange cavity (15) is formed between the low-temperature liquid inlet pipe (14) and the side wall of the heat exchanger (11); the low-temperature liquid inlet pipe (14) is communicated with the feeding pipe (5); the heat exchange cavity (15) is communicated with the compressor outlet (9) of the vapor compressor (7), and the liquid fraction after heat exchange flows out through a fraction outlet (12) of the micro heat exchanger (11) and is collected.
7. A water-saving non-condensing agent rotary evaporator according to claim 6, wherein the micro heat exchanger (11) is a Teflon heat exchanger or a corrosion-resistant metal heat exchanger;
The low-temperature liquid inlet pipe (14) in the micro heat exchanger (11) is of a straight pipe structure or a coiled pipe structure.
8. A water-saving non-condensing agent rotary evaporator according to claim 7, wherein a heating assembly is further provided, the heating assembly including an electric heating belt (16) provided at an outer wall of the distillation flask (2), and a glass fiber tape (17) provided at an outer layer of the electric heating belt (16) for accomplishing heat insulation and fixation of the electric heating belt (16);
A probe of a temperature controller sensor (18) is also arranged between the electric heating belt (16) and the distillation flask (2).
9. A water-saving non-condensing agent rotary evaporator according to claim 8, wherein a sample liquid flow controller (22) is installed at the outlet of the low temperature liquid inlet pipe (14) of the micro heat exchanger (11) for controlling the sample amount of the sample flowing out of the low temperature liquid inlet pipe (14) and controlling the sample interval time by the control panel (21); and a fraction liquid flow controller (23) is arranged at a fraction outlet (12) of the micro heat exchanger (11) and used for controlling the primary discharge amount of the fraction and controlling the discharge interval time by the control panel (21).
10. A water-saving non-condensing agent rotary evaporator according to claim 9, wherein a control panel (21) is electrically connected to the rotary motor (3), the vapor compressor (7), the micro vacuum pump (10), the electric heating belt (16), the temperature controller sensor (18), the vapor temperature sensor (19), the vapor pressure sensor (20), the sample liquid flow controller (22), and the distillate liquid flow controller (23), respectively, and the distillation process is completed under the control of the control panel (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169740.4U CN209735009U (en) | 2018-12-21 | 2018-12-21 | Water-saving type condensing agent-free rotary evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169740.4U CN209735009U (en) | 2018-12-21 | 2018-12-21 | Water-saving type condensing agent-free rotary evaporator |
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| Publication Number | Publication Date |
|---|---|
| CN209735009U true CN209735009U (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822169740.4U Withdrawn - After Issue CN209735009U (en) | 2018-12-21 | 2018-12-21 | Water-saving type condensing agent-free rotary evaporator |
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| CN (1) | CN209735009U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109381883A (en) * | 2018-12-21 | 2019-02-26 | 北京师范大学 | A kind of water-saving frozen-free agent Rotary Evaporators |
-
2018
- 2018-12-21 CN CN201822169740.4U patent/CN209735009U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109381883A (en) * | 2018-12-21 | 2019-02-26 | 北京师范大学 | A kind of water-saving frozen-free agent Rotary Evaporators |
| CN109381883B (en) * | 2018-12-21 | 2024-02-13 | 北京师范大学 | Water-saving condensing agent-free rotary evaporator |
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