High-efficient intelligence is from heat supply type rotary evaporator
阅读说明:本技术 一种高效智能自供热型旋转蒸发仪 (High-efficient intelligence is from heat supply type rotary evaporator ) 是由 温淑瑶 李闻达 于 2019-11-12 设计创作,主要内容包括:本发明涉及蒸发设备技术领域,特别地,涉及一种旋转蒸发仪,具体涉及一种高效智能自供热型旋转蒸发仪。本发明所述高效智能自供热型旋转蒸发仪,以现有旋转蒸发仪的结构为基础,采用可同轴旋转的夹套型结构的蒸馏器进行待蒸馏液的蒸馏,利用蒸汽压缩机将蒸发形成的气态物质压缩,压缩后的高温流体循环进入所述蒸馏器内的流体通道内,在蒸馏瓶外壁形成热交换面,利用经过压缩的流体和待蒸馏样品之间的显著温差进行热交换,对待蒸馏样品进行持续蒸馏,不仅省去了原有旋转蒸发仪的冷凝系统组件,而且节约了冷却水、冰块、干冰等致冷剂,大大节约了水资源,还省去了水浴(油)锅以及升降系统和角度调整系统组件,降低能耗和使用成本。(The invention relates to the technical field of evaporation equipment, in particular to a rotary evaporator, and particularly relates to a high-efficiency intelligent self-heating rotary evaporator. The invention relates to a high-efficiency intelligent self-heating rotary evaporator, which is based on the structure of the existing rotary evaporator, adopts a distiller with a coaxially rotatable jacket type structure to distill liquid to be distilled, utilizes a vapor compressor to compress gaseous substances formed by evaporation, circulates compressed high-temperature fluid into a fluid channel in the distiller to form a heat exchange surface on the outer wall of a distillation flask, utilizes the obvious temperature difference between the compressed fluid and a sample to be distilled to carry out heat exchange, and continuously distills the sample to be distilled.)
1. The high-efficiency intelligent self-heating rotary evaporator is characterized by comprising a bracket (1), wherein a detachable distiller (2) is fixed on the bracket (1); the distiller (2) is driven to rotate by a rotating motor (3);
the distiller (2) comprises an inner layer distillation bottle (5) and an outer layer distillation jacket (10) which can coaxially rotate and are used for containing liquid to be distilled, and a fluid channel (12) is formed between the distillation bottle (5) and the distillation jacket (10); a jacket open pipe (11) is formed on the side wall of the distillation jacket (10), and a jacket assembly capable of controlling fluid feeding and discharging is arranged in the jacket open pipe (11);
a feeding pipe (21) for feeding a to-be-distilled liquid and a concentrated liquid discharging pipe (22) for discharging the concentrated liquid after distillation are respectively arranged in a distillation channel (4) of the distillation bottle (5) of the distiller (2); a discharge hole (6) for discharging evaporated gaseous substances is formed in the side wall of the distillation channel (4);
the discharge hole (6) is communicated with a steam inlet (8) of a steam compressor (7), gaseous substances evaporated by the distiller (2) are compressed into high-temperature fluid by the steam compressor (7), the high-temperature fluid flows out through a fluid outlet (9) of the steam compressor (7) and enters the fluid channel (12) through the jacket assembly, heat exchange between the high-temperature fluid and the liquid to be distilled is realized at the outer wall of the distillation bottle (5), and heating distillation of the liquid to be distilled is completed.
2. A high efficiency intelligent self-heating rotary evaporator according to claim 1, wherein the jacket opening tube (11) is formed on the distillation jacket (10) at a position corresponding to the distillation channel (4) and away from the distillation channel (4).
3. A high efficiency intelligent self-heating rotary evaporator according to claim 1 or 2, wherein the jacket assembly comprises:
the fluid inlet pipe (16), the fluid inlet pipe (16) is communicated with the fluid outlet (9) to realize the entrance of the high-temperature fluid;
a fluid drain pipe (17), wherein the fluid drain pipe (17) is used for discharging fluid after heat exchange;
the jacket cleaning liquid inlet pipe (18), wherein the jacket cleaning liquid inlet pipe (18) is used for realizing the inlet of cleaning liquid;
a jacket cleaning drain pipe (19), wherein the jacket cleaning drain pipe (19) is used for realizing the drainage of the cleaning liquid;
the jacket vent pipe (15), the jacket vent pipe (15) is used for communicating the atmosphere.
4. The high-efficiency intelligent self-heating rotary evaporator according to claim 3, characterized in that:
the fluid inlet pipe (16) and the jacket cleaning inlet pipe (18) extend into the fluid channel (12) to the upper area of the working position of the distillation flask (5);
the fluid drain (17) and the jacket cleaning drain (19) extend into the fluid channel (12) in the bottom region of the operating position of the distillation jacket (10).
5. A high-efficiency intelligent self-heating rotary evaporator according to any one of claims 1-4, characterized in that the rotary evaporator is further provided with a jacket plug (14) for fixing the position of the jacket assembly, and the jacket plug (14) is statically fixed through a jacket plug bracket (20);
the jacket plug (14) and the jacket open pipe (11) are in sealed fit with each other, and the rotary motion of the distillation jacket (10) relative to the jacket plug (14) is realized through a small bearing (13) arranged on the outer wall of the jacket open pipe (11) and the inner side of the jacket plug (14).
6. A high efficiency intelligent self-heating rotary evaporator according to any one of claims 1-5, wherein the distillation jacket (10) comprises a sleeve part (34) integrally formed with the inner distillation flask (5) and a spherical crown part (35) capable of being buckled with the sleeve part (34) to realize a hermetic connection.
7. A high-efficiency intelligent self-heating rotary evaporator according to any one of claims 1-6, characterized in that a distillation flask vent pipe (33) for realizing the communication between the distillation flask (5) and the atmosphere, and a cleaning solution feed pipe (23) and a cleaning solution discharge pipe (24) extending into the distillation flask (5) for realizing the feeding and discharging of the cleaning solution in the distillation flask (5) are further arranged in the distillation channel (4).
8. A high-efficiency intelligent self-heating rotary evaporator according to any one of claims 1-7, characterized in that an electric heating belt (26) is wrapped outside the feeding pipe (21) for starting heating when the temperature of the distillate is too low; a glass fiber tape (27) is arranged on the outer layer of the electric heating tape (26) to realize the heat insulation and fixation of the electric heating tape (26), and a heating temperature sensor (28) probe is arranged between the electric heating tape (26) and the feeding pipe (21);
the discharge port (6) is connected with the steam compressor (7) through a steam pipeline (29), and a steam temperature sensor (30) and/or a steam pressure sensor (31) are/is arranged at the steam pipeline (29).
9. A high-efficiency intelligent self-heating rotary evaporator according to any one of claims 1-8, characterized in that the feeding pipe (21), the concentrated solution discharging pipe (22), the cleaning solution feeding pipe (23), the cleaning solution discharging pipe (24), the fluid inlet pipe (16), the fluid outlet pipe (17), the jacket cleaning inlet pipe (18) and the jacket cleaning outlet pipe (19) are all connected with an intelligent metering pump (25), and the intelligent metering pump (25) is used for controlling accurate and quantitative liquid delivery in sequence.
10. A high-efficiency intelligent self-heating rotary evaporator according to any one of claims 1-8, wherein the rotary motor (3), the steam compressor (7), the jacket vent pipe (15), the electric heating belt (26), the intelligent metering pump (25), the heating temperature sensor (28), the steam temperature sensor (30), the steam pressure sensor (31) and the distillation flask vent pipe (33) are all in communication connection with an intelligent control device (32), the distillation is completed under the control of the intelligent control device (32), and respective working parameters can be set according to requirements.
Technical Field
The invention relates to the technical field of evaporation equipment, in particular to a rotary evaporator, and particularly relates to a high-efficiency intelligent self-heating rotary evaporator.
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 conventional rotary evaporator generally comprises a vacuum pumping device, a heating device, a condensing device, a rotating device and the like. The principle of the rotary evaporator is mainly that under the control of electronic equipment, a flask is rotated at a constant speed under the most suitable rotating speed to enable a solvent to form a 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 kettle or an oil bath kettle to be heated at a constant temperature while rotating, the heating temperature can be close to the boiling point of the solvent, so that the solution in the flask is heated, diffused and evaporated under the negative pressure, and the rapid evaporation of the solvent is realized.
Disclosure of Invention
The invention provides a high-efficiency intelligent self-heating rotary evaporator, which solves the problems that in the prior art, a rotary evaporator wastes refrigerant and cannot be used in a water-deficient environment.
In order to achieve the purpose, the invention provides a high-efficiency intelligent self-heating type rotary evaporator which comprises a bracket, wherein a detachable distiller is fixed on the bracket; the distiller is driven to rotate by a rotating motor;
the distiller comprises an inner distillation flask and an outer distillation jacket which can coaxially rotate and are used for containing liquid to be distilled, and a fluid channel is formed between the distillation flask and the distillation jacket; a jacket opening pipe is formed on the side wall of the distillation jacket, and a jacket assembly capable of controlling fluid feeding and discharging is arranged in the jacket opening pipe;
a feeding pipe for feeding a to-be-distilled liquid and a concentrated liquid discharging pipe for discharging the concentrated liquid after distillation are respectively arranged in a distillation channel of the distillation bottle of the distiller; a discharge hole for discharging gaseous substances formed by evaporation is formed in the side wall of the distillation channel;
the discharge hole is communicated with a steam inlet of a steam compressor, gaseous substances formed by distillation of the distiller are compressed into high-temperature fluid by the steam compressor, the high-temperature fluid flows out from a fluid outlet of the steam compressor and enters the fluid channel through the jacket assembly, heat exchange between the high-temperature fluid and the liquid to be distilled is realized at the outer wall of the distillation flask, and heating and distillation of the liquid to be distilled are completed.
Preferably, the jacket opening pipe is formed on the distillation jacket at a position opposite to the distillation channel and on a side of the distillation jacket away from the distillation channel.
Specifically, high-efficient intelligence from heat supply type rotary evaporator include:
the fluid inlet pipe is communicated with the fluid outlet to realize the entrance of the high-temperature fluid;
the fluid drain pipe is used for realizing the drainage of the fluid after heat exchange;
the jacket cleaning liquid inlet pipe is used for realizing the inlet of cleaning liquid;
the jacket cleaning liquid discharge pipe is used for discharging cleaning liquid;
the jacket breather pipe is used for communicating the atmosphere.
Specifically, high-efficient intelligence from the rotatory evaporimeter of heat supply type:
the fluid inlet pipe, the jacket cleaning inlet pipe and the jacket vent pipe extend into the fluid channel and are above the working position of the distillation flask;
the fluid drain and the jacket cleaning drain extend into the bottom region of the working position of the distillation jacket in the fluid channel.
Specifically, the rotary evaporator is also provided with a jacket plug for fixing the position of the jacket assembly, and the jacket plug is statically fixed through a jacket plug bracket;
the jacket plug and the jacket open pipe are in sealed fit with each other, and the distillation jacket rotates relative to the jacket plug through small bearings arranged on the outer wall of the jacket open pipe and the inner side of the jacket plug.
Specifically, the distillation jacket comprises a sleeve part which is integrally formed with the distillation bottle at the inner layer and a spherical crown part which can be buckled with the sleeve part to realize airtight connection.
Specifically, still be provided with in the distillation passageway and be used for realizing the distillation flask breather pipe that the distillation flask is linked together with atmosphere, and stretch into be used for realizing respectively in the distillation flask the feeding of cleaning fluid in the distillation flask and the cleaning fluid inlet pipe and the cleaning fluid row who arranges the material pipe.
Specifically, an electric heating belt is wound on the outer side of the feeding pipe and used for starting heating when the temperature of the distillate is too low; the outer layer of the electric heating belt is provided with a glass fiber belt to realize heat insulation and fixation of the electric heating belt, and a heating temperature sensor probe is arranged between the electric heating belt and the feeding pipe;
the discharge port is connected with the steam compressor through a steam pipeline, and a steam temperature sensor and/or a steam pressure sensor are/is arranged at the steam pipeline.
Specifically, the feeding pipe, the concentrated solution discharge pipe, the cleaning solution feeding pipe, the cleaning solution discharging pipe, the fluid inlet pipe, the fluid discharge pipe, the jacket cleaning fluid inlet pipe and the jacket cleaning liquid discharge pipe are all connected with the intelligent metering pump, and the intelligent metering pump controls the accurate quantification and the sequential completion of liquid conveying.
Specifically, rotating electrical machines, vapor compressor, press from both sides cover breather pipe, electrical heating area, intelligent measuring pump, heating temperature sensor, steam pressure sensor and retort breather pipe all are connected with the communication of intelligent control equipment, by distillation is accomplished in the control of intelligent control equipment to can set for respective working parameter as required.
The invention relates to a high-efficiency intelligent self-heating rotary evaporator, which is characterized in that based on the structure of the existing rotary evaporator, a distiller with a coaxially rotatable jacket-type structure is adopted to distill distillate, and a vapor compressor is utilized to compress gaseous substances formed by evaporation; high-temperature fluid enters a fluid channel in the distiller, a heat exchange surface is formed on the outer wall of the distillation flask, and the heat exchange is carried out by utilizing the obvious temperature difference between the compressed fluid and a sample to be distilled, so that the sample to be distilled is continuously heated; in addition, because the distillation flask and the distillation jacket rotate synchronously, the distillation sample can be heated continuously and efficiently more fully, so that not only are components of a condensation system of the original rotary evaporator saved, but also cooling agents such as cooling water, ice cubes, dry ice and the like are saved, water resources are greatly saved, a water bath (oil) pot, a lifting system and an angle adjustment system component are also saved, and energy consumption and use cost are reduced.
The invention uses a computer to intelligently control each distillation link, and uses a multi-head precise plunger metering pump to control each liquid inlet and outlet, and is particularly suitable for water-deficient environments, microgravity environments and environments with higher requirements on energy-saving maintenance.
Drawings
FIG. 1 is a schematic structural diagram of a high-efficiency intelligent self-heating rotary evaporator according to the present invention;
FIG. 2 is a schematic diagram of the construction and connection of a distillation jacket according to the present invention;
FIG. 3 is a schematic diagram of a second configuration of a distillation jacket according to the present invention;
FIG. 4 is a schematic view of a third configuration of a distillation jacket according to the present invention;
labeled as: 1-support, 2-distiller, 3-rotating motor, 4-distillation channel, 5-distillation bottle, 6-discharge port, 7-steam compressor, 8-steam inlet, 9-fluid outlet, 10-distillation jacket, 11-jacket open pipe, 12-fluid channel, 13-small bearing, 14-jacket plug, 15-jacket vent pipe, 16-fluid inlet pipe, 17-fluid discharge pipe, 18-jacket cleaning inlet pipe, 19-jacket cleaning discharge pipe, 20-jacket plug support, 21-feed pipe, 22-concentrated solution discharge pipe, 23-cleaning solution feed pipe, 24-cleaning solution discharge pipe, 25-intelligent metering pump, 26-electric heating belt, 27-glass fiber belt, 28-heating temperature sensor, 29-a steam pipeline, 30-a steam temperature sensor, 31-a steam pressure sensor, 32-an intelligent control device, 33-a distillation flask vent pipe, 34-a sleeve part, 35-a spherical crown part, 36-a jacket connecting flange, 37-a sealing gasket, 38-a locking bolt, 39-a vacuum pump, 40-a buffer flask, 41-a feed channel opening plug and 42-a flange.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
With the structure shown in fig. 1, the high-efficiency intelligent self-heating rotary evaporator of the invention comprises: the device comprises a bracket 1, wherein a detachable distiller 2, a rotary motor 3 capable of controlling the distiller 2 to rotate, a control component for controlling the rotating speed and the heating temperature and the like (not shown in the figure) are fixed on the bracket 1. The distiller 2 is detachably fixed with a transmission body connected with the rotating motor 3, and is driven by the rotating motor 3 to carry out rotary distillation.
As shown in the structure of fig. 1, the distiller 2 comprises an
As shown in fig. 1, a
The high-efficiency intelligent self-heating rotary evaporator shown in fig. 1 is further provided with a vapor compressor 7, a vapor inlet 8 of the vapor compressor 7 is communicated with the
Specifically, in the rotary evaporator of the present invention, the vapor compressor 7 may be a roots-type compressor, a centrifugal compressor, a piston-type compressor, a screw-type compressor, or a vane-type compressor, and as an optional option, the vapor compressor may be a variable-frequency compressor.
In the rotary evaporator shown in fig. 1, the jacket assembly specifically comprises a
In order to facilitate the cleaning of the
The materials of the
In the rotary evaporator shown in FIG. 1, the
The pipe diameter of the
In the jacket assembly shown in fig. 1, the
In order to ensure the sealing performance and the rotation performance of the
As shown in fig. 1, the
As shown in fig. 1, the
As shown in FIG. 2, the
Fig. 3 shows the structure of a second
Fig. 4 shows the structure of a third
In order to facilitate cleaning of the distillation flask 2 after distillation, as shown in the rotary evaporator shown in fig. 1, a cleaning
In the rotary evaporator shown in fig. 1, a feeding
In order to further enhance the distillation effect of the whole device, the rotary evaporator of the invention is preferably subjected to a certain heating treatment before the distillate enters the
In order to further control the metering of the whole distillation process, the
As shown in fig. 1, in order to further realize the automatic control of the whole distillation process, the rotary motor 3, the vapor compressor 7, the
The rotary evaporator provided by the invention adopts a steam compressor and a distiller with a jacket type structure which rotates together with a distillation flask, and a condensing system component is not used for condensing evaporated gaseous substances, so that refrigerants such as cooling water, ice cubes and dry ice are not needed, meanwhile, the evaporation of distillate utilizes the obvious temperature difference between compressed fluid and a sample to be distilled to carry out efficient heat exchange, the latent heat of evaporation of the distillation liquid is utilized to increase the enthalpy value of the sample to be distilled, the continuous and efficient heating of the sample to be distilled is realized, when the temperature of the distillate to be distilled is too low, an electric heating belt is used for starting heating, water (oil) bath heating is not needed, water resources are greatly saved, heat energy is saved, waste is avoided, and the rotary evaporator is particularly suitable for water-deficient environments, microgravity environments and environments with higher requirements on energy-saving maintenance.
The above embodiments of the present invention are described in detail, and the principle and the implementation of the present invention are explained by applying specific embodiments, and the above description of the embodiments is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
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