CN209735008U - Intelligent water-saving rotary evaporation concentration device - Google Patents
Intelligent water-saving rotary evaporation concentration device Download PDFInfo
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- CN209735008U CN209735008U CN201822159793.8U CN201822159793U CN209735008U CN 209735008 U CN209735008 U CN 209735008U CN 201822159793 U CN201822159793 U CN 201822159793U CN 209735008 U CN209735008 U CN 209735008U
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Abstract
The utility model relates to a water-saving rotatory evaporative concentration device of intelligence. Rotatory evaporation enrichment facility, structure with current rotatory evaporimeter is the basis, with former retort of cylindrical distillation rotary drum replacement of corrosion-resistant metal material, personally submit 30 ~ 45 degrees contained angles's rotation axis with the level and change horizontal rotation axis into, it compresses for liquid evaporation gaseous state material with former condensing system condensation, utilize through compressed fraction and treat the difference in temperature between the distillate, carry out the heat exchange with the help of distillation rotary drum wall, the continuous heating of distilling sample is treated in the realization, it preheats at inlet pipe department with the electrical heating subassembly when the start-up of distilling, condensation subassembly and refrigerant have not only been saved like this, water bath (oil) pot and operating system subassembly have still been saved. The utility model discloses water and energy conservation utilizes control panel or computer control distillation, is particularly useful for the environment that lacks water, microgravity environment and requires higher environment in the aspect of energy-conserving maintenance.
Description
Technical Field
The utility model relates to an evaporation equipment technical field, in particular to water-saving rotatory evaporative concentration device of intelligence.
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.
the rotary evaporator used in the prior art mostly depends on tap water to cool evaporated gaseous substances to obtain liquid fractions, but cooling water in the use process of the rotary evaporator is often directly discharged, so that a large amount of water resource waste is caused, and the problem that the use is limited in a water shortage environment also exists. A few of the prior art rotary evaporators use dry ice as a refrigerant and other refrigerants (such as freon, a few hydrocarbons, ammonia and the like used in refrigeration of a refrigeration dryer) but still have the problems of refrigerant material waste and environmental pollution caused by some refrigerants. The rotary evaporator in the prior art needs to be heated by a water (oil) bath kettle all the time during use, and has high energy consumption.
SUMMERY OF THE UTILITY MODEL
The utility model provides a water-saving rotatory evaporative concentration device of intelligence has solved among the prior art rotatory evaporative concentration device and has had the refrigerant extravagant, can't use and the low problem of intelligent degree under water shortage environment, microgravity environment.
in order to achieve the purpose, the utility model provides an intelligent water-saving rotary evaporation concentration device, which comprises a bracket, wherein a distillation rotary drum is fixed on the bracket, the distillation rotary drum is filled with distillate to be distilled and driven by a rotary motor to rotate, and the distillation rotary drum is electrically controlled by a control panel or a computer;
The side wall of the feeding channel of the distillation rotary drum is formed with a discharge hole, the discharge hole is communicated with a steam inlet of a steam compressor, evaporated gaseous substances (such as water vapor) are compressed into fractions (liquid and gas mixture) with higher temperature by the steam compressor, and the fractions are sprayed onto the outer wall of the distillation rotary drum through a nozzle at the tail end of a liquid channel communicated with the steam compressor, and the heat exchange between the fractions and the liquid to be distilled is realized at the wall of the distillation rotary drum.
Preferably, the distillation drum is of a cylindrical structure;
The distillation drum is horizontally arranged and horizontally rotates along a connecting line of the centers of the circles of the cylinders; and the distillation rotating drum is made of corrosion-resistant metal.
The vapor compressor includes a piston compressor, a roots compressor, a centrifugal compressor, a screw compressor, a vane compressor, and preferably the vapor compressor may be a variable frequency compressor.
Specifically, a distillation sleeve is covered on the outer side of the distillation rotary drum, and an interlayer channel is formed between the distillation rotary drum and the distillation sleeve;
The fraction compressed by the vapor compressor directly sprays into the distillation sleeve through a nozzle at the tail end of the liquid channel, flows along the outer wall of the distillation rotary drum in the interlayer channel, and realizes heat exchange between the fraction and the liquid to be distilled on the wall of the distillation rotary drum.
As a convertible structure, specifically, the distillation drum is disposed in a compression chamber of the vapor compressor, and an interlayer channel is formed between an inner wall of the compression chamber and an outer wall of the distillation drum;
The fraction compressed by the vapor compressor exchanges heat with the liquid to be distilled at the wall of the distillation drum.
A steam temperature sensor and/or a steam pressure sensor are/is arranged between the discharge port and the steam compressor;
A feeding pipe, a concentrated solution discharge pipe and a liquid level sensor are arranged in a feeding channel of the distillation rotary drum and used for feeding of a to-be-distilled solution, discharging of the concentrated solution and transmitting of liquid level information, and the feeding pipe and the concentrated solution discharge pipe are controlled by an intelligent multi-head precise plunger type metering pump to feed and discharge the concentrated solution.
A micro vacuum pump can be arranged between the discharge hole and the steam inlet, and the vacuum pump is used for increasing the force for pumping steam.
A buffer bottle can be arranged between the vacuum pump and the steam inlet and is used for reducing the pulse of steam flow.
The heating component is an electric heating belt arranged on the outer wall of the feeding pipe and used for starting and heating when the distillate is driven at a lower temperature; the outer layer of the electric heating belt is provided with a glass fiber belt, so that the heat insulation and fixation of the electric heating belt are realized; a heating temperature sensor probe is also arranged between the electric heating belt and the feeding pipe.
The rotary motor, the steam compressor, the electric heating belt, the micro vacuum pump, the heating temperature sensor, the liquid level sensor, the intelligent multi-head precise plunger type metering pump, the steam temperature sensor and the steam pressure sensor are all in communication connection with the control panel, the intelligent multi-head precise plunger type metering pump controls feeding and discharge of concentrated solution, the distillation is completed under the control of the control panel or the computer, and each working parameter can be set according to requirements.
the rotary evaporation concentration device of the utility model is based on the structure of the prior rotary evaporator, a cylindrical distillation rotary drum made of corrosion-resistant metal material is used for replacing the original distillation flask, a rotary shaft which originally forms an included angle of 30-45 degrees with the horizontal plane is changed into a horizontal rotary shaft, the evaporated gaseous substance condensed into liquid state by the original condensing system is compressed into liquid and gaseous mixed fraction by a vapor compressor and collected, and the temperature difference between the compressed fraction and the liquid to be distilled is utilized to carry out heat exchange by virtue of the wall of the distillation rotary drum, so as to realize the continuous heating of the sample to be distilled, when the distillation is started, the electric heating assembly is used for preheating the feeding pipe, so that a condensation system assembly of an original rotary evaporator and refrigerants such as cooling water, ice blocks, dry ice and the like are omitted, a water bath (oil) pot and a lifting system assembly are omitted, and water resources and a use space are greatly saved.
Water-saving rotatory evaporation enrichment facility of intelligence has fluid passage's vapor compressor structure through the setting for fraction after the compression carries out the heat exchange with the help of distillation revolving drum wall and treats the distillate when fluid passage flows through, utilizes fraction temperature height and feeding to treat that the difference is showing that the concentrate temperature is low, makes the feeding treat that the distillate is by continuous heating, has reduced the energy consumption.
water-saving rotatory evaporative concentration device of intelligence is waiting that the distillate liquid temperature crosses lowly or the start-up time of driving heats with the electric heating tape, has saved heating element such as water bath (oil) pot, not only makes evaporative concentration device's volume reduce greatly, has reduced the heating water consumption and the oil consumption in the evaporation process moreover, has practiced thrift the cost, is particularly useful for the environment that lacks water, microgravity environment and has higher requirement in the aspect of intelligent control.
Drawings
FIG. 1 is a schematic front view of an evaporative concentration apparatus according to embodiment 1 of the present invention;
FIG. 2 is a schematic front view of the evaporative concentration apparatus according to embodiment 2 of the present invention;
Labeled as: 1-bracket, 2-distillation drum, 3-rotating motor, 4-feeding channel, 5-liquid channel, 6-discharging port, 7-vapor compressor, 8-vapor inlet, 9-liquid outlet, 10-vacuum pump, 11-buffer bottle, 12-feeding pipe, 13-concentrated liquid discharging pipe, 14-collecting bottle, 15-electric heating band, 16-glass fiber band, 17-heating temperature sensor, 18-liquid level sensor, 19-control panel (or computer), 20-visual window, 21-intelligent multi-head precise plunger type metering pump, 22-vapor temperature sensor, 23-vapor pressure sensor, 24-distillation sleeve and 25-sandwich channel.
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.
Example 1
According to the structure shown in fig. 1, the utility model discloses a water-saving rotary evaporation enrichment facility of intelligence, include: the distillation device comprises a support 1, wherein a distillation drum 2 and a distillation sleeve 24 sleeved outside the distillation drum 2 are fixed on the support 1, and the distillation drum 2 is used for containing a liquid to be distilled; a sandwich channel 25 is formed between the inner wall of the distillation sleeve 24 and the outer wall of the distillation drum 2.
In the configuration shown in FIG. 1, the distillation drum 2 is cylindrical; the distillation drum 2 is horizontally arranged and horizontally rotates along a connecting line of the centers of the circles of the cylinders; the distillation drum 2 is made of corrosion-resistant metal materials, such as metal titanium and alloy.
the bracket 1 is also provided with a rotating motor 3, and the distillation drum 2 is driven by the rotating motor 3 to rotate along the horizontal axial direction so as to increase the evaporation area of the feed liquid. Rotatory evaporation concentration device still is equipped with control rotating electrical machines rotational speed and heating temperature's control panel 19 to and control rotational speed, heating temperature's control assembly etc. and control circuit connection is prior art scheme in the picture, and here is not shown.
the intelligent water-saving rotary evaporation concentration device as shown in figure 1 is provided with a discharge port 6 formed at the side wall of the feeding channel 4 of the distillation drum 2 for discharging evaporated gaseous substances; a feed pipe 12, a concentrated solution discharge pipe 13 and a liquid level sensor 18 are arranged in the feed channel 4 of the distillation rotary drum 2 and are respectively used for feeding the distillate to be distilled, discharging the concentrated solution and transmitting liquid level information.
As a changeable structure, a visible window 20 can be formed at the center of the side wall of the distillation drum 2, and the visible window 20 needs to be hermetically connected with the distillation drum 2 and the distillation sleeve 24 for observing the condition of the evaporated liquid at any time.
the intelligent water-saving rotary evaporation concentration device as shown in fig. 1 is further provided with a vapor compressor 7, in this embodiment, the vapor compressor 7 may be a piston compressor, or may be a roots compressor, a centrifugal compressor, a screw compressor, or a vane compressor. The steam inlet 8 of the steam compressor 7 is communicated with the discharge port 6, the gaseous substances evaporated in the distillation drum 2 enter the steam compressor 7 to be compressed, and the compressed fluid (liquid and gas mixture) is sprayed on the outer wall of the distillation drum 2 and flows and collects along the outer wall of the distillation drum 2. More preferably, the steam compressor 7 may be an inverter compressor, but whatever the nature and form, the steam compressor 7 must be resistant to corrosion, resistant to water vapor and as far as possible free of contamination. The steam compressor 7 can also select a demister with an embedded type according to the characteristic requirement of the distillate to be distilled.
In the structure shown in fig. 1, the vapor compressor 7 is communicated with the distillation sleeve 24 through a liquid passage 5, the compressed liquid fraction is jetted onto the outer wall of the distillation drum 2 through a nozzle (not shown) at the end of the liquid passage 5, the heat exchange between the fraction and the liquid to be distilled is realized by contacting with the outer wall of the distillation drum 2, and the heat exchange is performed by utilizing the temperature difference between the compressed high-temperature (generally 46 to 90 ℃) fraction and the low-temperature liquid to be distilled (generally room temperature to 36 ℃) so as to effectively utilize the latent heat of the distillation and realize energy saving. The compressed fluid flows out through the liquid outlet 9 formed at the end of the distillation sleeve 24 and is collected in the collecting bottle 14, while the heat released by the compressed gaseous material in the heat exchange with the distillate to be distilled due to the temperature rise can be used to heat the distillation drum 2, facilitating the evaporation of the distillate to be distilled in the drum. As a preferred structure, the liquid outlet 9 is provided at the lowest liquid level position of the distillation sleeve 24. The liquid outlet 9 and the collecting bottle 14 are controlled by a one-way valve to avoid the reflux of the distillate.
Preferably, a steam temperature sensor 22 and/or a steam pressure sensor 23 is/are disposed between the discharge port 6 and the steam compressor 7.
A feed pipe 12, a concentrated solution discharge pipe 13 and a liquid level sensor 18 are arranged in the feed channel 4 of the distillation drum 2 and are used for feeding of a to-be-distilled solution, discharging of the concentrated solution and transmitting of liquid level information, and the feed pipe 12 and the concentrated solution discharge pipe 13 are controlled by an intelligent multi-head precise plunger type metering pump 21 to feed and discharge the concentrated solution.
As optional scheme, the water-saving rotary evaporation enrichment facility of intelligence still can be provided with micro vacuum pump 10, 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.
As an optional scheme, the utility model discloses micro vacuum pump 10 with still can be provided with buffer bottle 11 between the steam inlet 8 to the reduction the pulse of micro vacuum pump 10 exit steam flow.
As shown in FIG. 1, the intelligent water-saving rotary evaporation concentration device is characterized in that a heating assembly is arranged outside the feeding pipe 12 and used for starting heating during distillation when the temperature of the distillate is too low. In this embodiment, the heating component is an electric heating tape 15 wrapped around the outer wall of the feeding pipe 12, the electric heating tape 15 heats the distillate to be distilled therein through heat conduction of the wall of the feeding pipe 12 so as to start evaporation, and the electric heating tape 15 is preferably wrapped around the outer wall of the feeding pipe 12 in a ring shape so as to ensure uniform heating. Meanwhile, a glass fiber tape 16 is arranged outside the electric heating tape 15 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 17 is arranged between the electric heating tape 15 and the outer wall of the feeding pipe 12 to detect the heating temperature.
The rotary motor 3, the vapor compressor 7, the micro vacuum pump 10, the electric heating belt 15, the heating temperature sensor 17, the liquid level sensor 18, the intelligent multi-head precise plunger type metering pump 21, the vapor temperature sensor 22, the vapor pressure sensor 23 and the one-way valve are all in communication connection with a control panel or a computer 19, the intelligent multi-head precise plunger type metering pump 21 controls feeding and discharging of concentrated solution, the control panel or the computer 19 controls distillation to be completed, and each working parameter can be set according to requirements.
The working process of the evaporation concentration device is as follows: the material enters the distillation drum 2 through a feeding pipe 12 to be subjected to rotary evaporation, evaporated gaseous substances are output through a discharging pipe 6 and enter the steam compressor 7 through a steam inlet 8 connected with the discharging pipe, the gaseous substances are compressed into fractions through the steam compressor 7 and enter the interlayer channel 25 through the liquid channel 5, and heat exchange is realized between the gaseous substances and the material to be distilled at a contact part of the outer wall of the distillation drum 2, the material to be distilled is heated, and the evaporation of the material is facilitated; and the liquid fraction after heat exchange is discharged through a liquid outlet 9 arranged at the bottom end of the interlayer channel 25 and collected in a collecting bottle 14.
Evaporative concentration device 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, dry ice, simultaneously, the evaporation of distillation rotary drum adopts is the heat exchange, treats that the distillate temperature crosses lowly and uses the electric heating element to supply the heating when the start-up is driven in the distillation, need not to use water (oil) to bathe the heating, has further practiced thrift the water resource, avoids extravagant.
Example 2
According to the structure shown in fig. 2, the utility model discloses a water-saving rotary evaporation enrichment facility of intelligence, include: the distillation device comprises a support 1, wherein a distillation drum 2 is fixed on the support 1, and the distillation drum 2 is used for containing a liquid to be distilled;
The distillation drum 2 is cylindrical; the distillation drum 2 is horizontally arranged and horizontally rotates along a connecting line of the centers of the circles of the cylinders;
The distillation drum 2 is made of corrosion-resistant metal materials, such as metal titanium and alloy.
Still be provided with rotating electrical machines 3 on the support 1, rotatory evaporation concentration device still is equipped with control rotating electrical machines rotational speed and heating temperature's control panel 19 to and control rotational speed, heating temperature's control assembly etc. and control circuit connection is prior art scheme in the picture, and this place is not shown.
The distillation rotary drum 2 is driven by the rotary motor 3 to rotate along the horizontal axial direction so as to increase the evaporation area of the feed liquid.
The intelligent water-saving rotary evaporation concentration device as shown in FIG. 2 is characterized in that a discharge port 6 is formed at the side wall of the feeding channel 4 of the distillation drum 2 for discharging evaporated gaseous substances;
A feed pipe 12, a concentrated solution discharge pipe 13 and a liquid level sensor 18 are arranged in the feed channel 4 of the distillation rotary drum 2 and are respectively used for feeding the distillate to be distilled, discharging the concentrated solution and transmitting liquid level information.
as a changeable structure, a visible window 20 can be formed at the center of the side wall of the distillation drum 2, and the visible window 20 needs to be hermetically connected with the distillation drum 2 and the distillation sleeve 24 for observing the condition of the evaporated liquid at any time.
The intelligent water-saving rotary evaporation concentration device as shown in fig. 2 is further provided with a vapor compressor 7, wherein the vapor compressor 7 is selected from a piston compressor, preferably an inverter compressor, and the vapor compressor 7 has to be corrosion-resistant, water vapor-resistant and as pollution-free as possible.
In the structure shown in fig. 2, the compression chamber of the vapor compressor 7 is covered outside the distillation drum 2 to form a distillation sleeve 24, and a sandwich passage 25 is formed between the outer wall of the distillation drum 2 and the distillation sleeve 24 (i.e., the compression chamber of the vapor compressor 7). The vapor in the vapor compression chamber of the vapor compressor 7 contacts the outer wall of the distillation drum 2 in the sandwich channel 25. The steam inlet 8 of the steam compressor 7 is communicated with the discharge port 6, the gaseous substance evaporated in the distillation drum 2 enters the steam compressor 7 and is directly compressed on the outer wall of the distillation drum, and then enters the interlayer channel 25, the compressed substance is compressed on the outer wall of the distillation drum 2, the heat exchange between the fraction and the liquid to be distilled is realized on the wall of the distillation drum 2, and the heat exchange is carried out by utilizing the temperature difference between the compressed high-temperature (generally 46-90 ℃) fraction and the low-temperature liquid to be distilled (generally room temperature-36 ℃) so as to effectively utilize the latent heat of the distillation drum and realize energy conservation. The compressed liquid flows out through the liquid outlet 9 formed at the end of the distillation sleeve 24 and is collected in the collecting bottle 14, while the heat released by the compressed gaseous substance in the heat exchange with the distillate to be distilled due to the temperature rise is used to heat the distillation drum 2, facilitating the evaporation of the distillate to be distilled in the drum. As a preferred structure, the liquid outlet 9 is provided at the lowest liquid level position of the distillation sleeve 24.
preferably, a steam temperature sensor 22 and/or a steam pressure sensor 23 is/are disposed between the discharge port 6 and the steam compressor 7.
In the structure shown in fig. 2, a feed pipe 12, a concentrate discharge pipe 13 and a liquid level sensor 18 are arranged in the feed channel 4 of the distillation drum 2, and are used for feeding the distillate to be distilled, discharging the concentrate and transmitting liquid level information, and the feed pipe 12 and the concentrate discharge pipe 13 are accurately controlled by an intelligent multi-head precision plunger metering pump 21 to feed and discharge the concentrate.
As optional scheme, the water-saving rotary evaporation enrichment facility of intelligence still can be provided with micro vacuum pump 10, 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.
As an optional scheme, the utility model discloses micro vacuum pump 10 with still can be provided with buffer bottle 11 between the steam inlet 8 to the reduction the pulse of micro vacuum pump 10 exit steam flow.
As shown in FIG. 2, the intelligent water-saving rotary evaporation concentration device is provided with a heating assembly outside the feeding pipe 12 for starting heating during distillation when the temperature of the distillate is too low. In this embodiment, the heating component is an electric heating tape 15 wrapped around the outer wall of the feeding pipe 12, the electric heating tape 15 heats the distillate to be distilled therein through heat conduction of the wall of the feeding pipe 12 so as to start evaporation, and the electric heating tape 15 is preferably wrapped around the outer wall of the feeding pipe 12 in a ring shape so as to ensure uniform heating. Meanwhile, a glass fiber tape 16 is arranged outside the electric heating tape 15 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 17 is arranged between the electric heating tape 15 and the outer wall of the feeding pipe 12 to detect the heating temperature.
the rotary motor 3, the vapor compressor 7, the micro vacuum pump 10, the electric heating belt 15, the heating temperature sensor 17, the liquid level sensor 18, the intelligent multi-head precise plunger type metering pump 21, the vapor temperature sensor 22 and the vapor pressure sensor 23 are all in communication connection with the control panel or the computer 19, the intelligent multi-head precise plunger type metering pump 21 controls feeding and discharging of concentrated solution, the control panel or the computer 19 controls distillation to be completed, and each working parameter can be set according to requirements.
The working process of the evaporation concentration device is as follows: the material enters the distillation drum 2 through a feeding pipe 12 to be subjected to rotary evaporation, evaporated gaseous substances are output through a discharging pipe 6 and enter the steam compressor 7 through a steam inlet 8 connected with the discharging pipe, the gaseous substances are compressed into fractions through the steam compressor 7 and enter the interlayer channel 25 through the liquid channel 5, and heat exchange is realized between the gaseous substances and the material to be distilled at the contact part of the outer wall of the distillation drum 2, the material to be distilled is heated, and the evaporation of the material is facilitated; and the liquid fraction after heat exchange is discharged through a liquid outlet 9 arranged at the bottom end of the interlayer channel 5 and collected in a collecting bottle 14.
evaporative concentration device 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, dry ice, simultaneously, the evaporation of distillation rotary drum adopts is the heat exchange, treats that the distillate temperature crosses lowly and uses the electric heating element to supply the heating when the start-up is driven in the distillation, need not to use water (oil) to bathe the heating, has further practiced thrift the water resource, avoids extravagant.
The embodiments of the present invention have been described in detail, and the principles and embodiments of the present invention have been explained herein by using specific embodiments, and the above descriptions of the embodiments are 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. An intelligent water-saving rotary evaporation concentration device is characterized by comprising a bracket (1), wherein a distillation rotary drum (2) is fixed on the bracket (1), the distillation rotary drum (2) is filled with a solution to be distilled and is driven by a rotary motor (3) to rotate, and the distillation rotary drum is electrically controlled by a control panel (19) or a computer;
A discharge hole (6) is formed at the side wall of the feeding channel (4) of the distillation rotary drum (2), the discharge hole (6) is communicated with a steam inlet (8) of a steam compressor (7), evaporated gaseous substances are compressed into fractions with higher temperature by the steam compressor (7) and are sprayed onto the outer wall of the distillation rotary drum (2) through a nozzle at the tail end of a liquid channel (5) communicated with the steam compressor (7), and heat exchange between the fractions with higher temperature and the liquid to be distilled is realized at the wall of the distillation rotary drum (2).
2. An intelligent water-saving rotary evaporative concentration apparatus according to claim 1, wherein:
The distillation drum (2) is of a cylindrical structure;
the distillation drum (2) is horizontally arranged and horizontally rotates along a connecting line of the centers of the circles of the cylinders; and the material of the distillation rotary drum (2) is corrosion-resistant metal.
3. An intelligent, water-saving rotary evaporative concentration apparatus as recited in claim 2, wherein the vapor compressor (7) comprises a piston compressor, a roots-type compressor, a centrifugal compressor, a screw compressor, a vane-type compressor.
4. an intelligent water-saving rotary evaporative concentration apparatus according to claim 3, wherein the distillation drum (2) is externally covered with a distillation sleeve (24), and a sandwich channel (25) is formed between the distillation drum (2) and the distillation sleeve (24);
The fraction compressed by the vapor compressor (7) is jetted into the distillation sleeve (24) through a nozzle at the end of the liquid channel (5) and flows along the outer wall of the distillation drum (2) in the sandwich channel (25), and heat exchange of the fraction with the liquid to be distilled is realized on the wall of the distillation drum (2).
5. an intelligent, water-saving rotary evaporative concentration unit according to claim 3, wherein the distillation drum (2) is also disposed within a compression chamber of the vapor compressor (7), the interior wall of the compression chamber and the exterior wall of the distillation drum (2) forming a sandwich channel (25);
The fraction compressed by the vapor compressor (7) is subjected to heat exchange with the liquid to be distilled on the wall of the distillation drum (2).
6. An intelligent water-saving rotary evaporation concentration apparatus according to claim 4 or 5, wherein:
a steam temperature sensor (22) and/or a steam pressure sensor (23) are/is arranged between the discharge port (6) and the steam compressor (7);
A feeding pipe (12), a concentrated solution discharging pipe (13) and a liquid level sensor (18) are arranged in a feeding channel (4) of the distillation rotary drum (2) and used for feeding of a to-be-distilled solution, discharging of the concentrated solution and transmitting of liquid level information, and the feeding pipe (12) and the concentrated solution discharging pipe (13) are controlled by an intelligent multi-head precise plunger type metering pump (21) to feed and discharge the concentrated solution.
7. An intelligent water-saving rotary evaporation concentration apparatus according to claim 6, wherein a vacuum pump (10) is disposed between the discharge port (6) and the steam inlet (8), and the vacuum pump (10) is used for increasing the strength of steam pumping.
8. An intelligent, water-saving rotary evaporative concentration apparatus according to claim 7, wherein a buffer bottle (11) may be provided between the vacuum pump (10) and the steam inlet (8), the buffer bottle (11) being configured to attenuate the pulses of steam flow.
9. An intelligent water-saving rotary evaporation concentration device according to claim 8, further comprising a heating component, wherein the heating component is an electric heating belt (15) arranged at the outer wall of the feeding pipe (12) and used for starting heating when the distillate is at a lower temperature; the outer layer of the electric heating belt (15) is provided with a glass fiber belt (16) to realize heat insulation and fixation of the electric heating belt (15); a probe of a heating temperature sensor (17) is also arranged between the electric heating belt (15) and the feeding pipe (12).
10. An intelligent water-saving rotary evaporation concentration apparatus according to claim 9, wherein the rotary motor (3), the vapor compressor (7), the electric heating belt (15), the heating temperature sensor (17), the liquid level sensor (18), the intelligent multi-head precision plunger type metering pump (21), the vapor temperature sensor (22) and the vapor pressure sensor (23) are all in communication connection with the control panel (19) or the computer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822159793.8U CN209735008U (en) | 2018-12-21 | 2018-12-21 | Intelligent water-saving rotary evaporation concentration device |
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| CN201822159793.8U CN209735008U (en) | 2018-12-21 | 2018-12-21 | Intelligent water-saving rotary evaporation concentration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109381884A (en) * | 2018-12-21 | 2019-02-26 | 北京师范大学 | A kind of Intelligent water-saving type rotary evaporation enrichment facility |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109381884A (en) * | 2018-12-21 | 2019-02-26 | 北京师范大学 | A kind of Intelligent water-saving type rotary evaporation enrichment facility |
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