EP3773960A1 - Reinigungsvorrichtung für einen rotationsverdampfer - Google Patents
Reinigungsvorrichtung für einen rotationsverdampferInfo
- Publication number
- EP3773960A1 EP3773960A1 EP19729654.4A EP19729654A EP3773960A1 EP 3773960 A1 EP3773960 A1 EP 3773960A1 EP 19729654 A EP19729654 A EP 19729654A EP 3773960 A1 EP3773960 A1 EP 3773960A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning device
- cleaning
- condenser
- rotary evaporator
- rotary piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/08—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in rotating vessels; Atomisation on rotating discs
- B01D3/085—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in rotating vessels; Atomisation on rotating discs using a rotary evaporator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0064—Feeding of liquid into an evaporator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/02—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in boilers or stills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
- B01D5/006—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes with evaporation or distillation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
- B01D5/0096—Cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/42—Regulation; Control
Definitions
- the present invention relates to a rotary evaporator and to a rotary evaporator cleaning apparatus.
- a rotary evaporator comprises a rotary piston for receiving a starting material which contains the substance to be evaporated. By heating the rotary piston in a heating bath, the starting material is heated and the substance to be vaporized is converted into the vapor phase. The steam enters a condenser where it cools and condenses. The resulting distillate is then removed from a collecting container.
- residues may be precipitated, for example, on the rotary piston and the condenser and thus contaminate the rotary piston or the condenser.
- DE 44 03 165 A1 discloses a rotary evaporator in which the rotary piston is connected via a flexible steam passage line to the condenser.
- the flexible steam passageway may be removed from the system.
- the rotary piston and the condenser itself are removed from the system in the prior art, ie dismantled to clean them. As a result, a cleaning process is time-consuming and requires intervention by the user.
- the cleaning device serves for a rotary evaporator, wherein the rotary evaporator comprises at least one rotatably arranged rotary piston for receiving a substance to be evaporated and a condenser for condensing the vaporized substance during operation of the rotary evaporator.
- the cleaning device comprises at least one supply line, a cleaning agent supply and a pressure generating means for supplying a pressurized cleaning agent from the cleaning agent supply through the supply line to the rotary piston and / or the condenser.
- the rotary piston and / or the condenser communicate with the detergent supply via the feed line and the pressure generating means is preferably designed to generate a pressure in the solvent so that the solvent is fed through the feed line to the rotary piston and / or condenser becomes.
- the cleaning device By means of the cleaning device according to the invention it is possible, for example, to clean the interior of the rotary piston and / or the condenser in situ, ie without disassembly. As a result, the rotary evaporator can be re-used more quickly and / or can be cleaned with a higher efficiency. In addition, the Cleaning the rotary piston and the condenser are performed automatically, since no user intervention is required for disassembly.
- the supply of the pressurized cleaning agent thus serves the purpose of cleaning the rotary piston and / or the condenser.
- the cleaning device is designed such that it is suitable for carrying out the cleaning of the rotary piston and / or the condenser, in particular the feeding of the cleaning agent, substantially independently of the operation of the rotary evaporator.
- the pressure generating means is formed separately from a (vacuum) pump of the rotary evaporator for generating a negative pressure up to a vacuum during operation of the rotary evaporator.
- the rotary evaporator ie the cleaning device is particularly suitable for controlling the resting, i. to clean the rotary evaporator which is not in operation. It thus represents an actively and independently of the rotary evaporator agie-saving cleaning device.
- the cleaning device may be either permanently connected to the rotary evaporator, but it is also possible that at least individual elements of the cleaning device are connected before starting the cleaning device with the rotary evaporator.
- the cleaning agent is a liquid, in particular water and / or a low boiler used in the operation of the rotary evaporator (ie, a volatile or low-boiling component, which has been evaporated in a previous operation, ie evaporation process) and / or according to the rule "Similia similibus solvuntur "(" similar dissolves in similar ") selected, adapted to a starting material used in the operation of the rotary evaporator or at least one component of the starting material adapted medium, and / or individually on a during operation of the rotary evaporator, ie in an evaporation process, evaporated medium tailored cleaning agent.
- a liquid in particular water and / or a low boiler used in the operation of the rotary evaporator (ie, a volatile or low-boiling component, which has been evaporated in a previous operation, ie evaporation process) and / or according to the rule "Similia similibus solvuntur "(
- the cleaning agent is therefore at a starting material used in the operation of the rotary evaporator or at least one component, in particular one in operation evaporated component, adapted to the starting material.
- a cleaning agent is provided with which the rotary piston and / or the condenser can be cleaned in a simple manner.
- "evaporation process” means the intended use of the rotary evaporator, for example for a distillation process or the like, in contrast to a cleaning process by means of the cleaning device, during which the rotary evaporator is at least partially out of operation .
- the cleaning agent may also comprise a care agent and / or, for example, water may be used with an added cleaning agent.
- the pressure generating means is formed as a pump for generating a pressure in the cleaning agent and the detergent supply is wei ter preferably formed as a reservoir for storing the detergent.
- the detergent supply is wei ter preferably formed as a reservoir for storing the detergent.
- at least the detergent supply and more preferably also the pressure generating means is provided by tap water.
- pressurized cleaning agent for example, an efficient cleaning can be achieved.
- the cleaning device further comprises at least one discharge for discharging the solvent from the rotary piston and / or the condenser and a pump for generating a negative pressure in the discharge and more preferably a removal container for receiving the discharged detergent.
- at least one discharge for discharging the solvent from the rotary piston and / or the condenser and a pump for generating a negative pressure in the discharge and more preferably a removal container for receiving the discharged detergent.
- the cleaning device comprises at least one outlet opening through which the cleaning agent passes into the rotary piston or the condenser during operation of the cleaning device, more preferably a cross section of the at least one outlet opening being smaller than a cross section of a supply line. Due to the cross-sectional constriction in the outlet opening, the exiting cleaning agent is accelerated, ie it exits at a higher speed.
- the cleaning device preferably comprises a plurality of outlet openings, wherein the outlet openings are preferably arranged at regular intervals on the cleaning device and / or the outlet openings are in particular in their distribution and / or geometric shape, in particular their dimension an extent of the rotary piston and / or the condenser are adapted. This makes it possible, for example, to further improve the cleaning effect.
- the at least one outlet opening is provided on a nozzle head of the cleaning device and the nozzle head is movably and / or rotatably provided in the rotary piston and / or the condenser and / or the nozzle head can be set into vibrations, in particular in ultrasonic vibrations.
- the rotary piston or the condenser can be cleaned even better, for example, since the jets of the cleaning agent exiting through the outlet openings can be directed, in particular, to different areas of the respective container by a movement and / or rotation of the nozzle head. Due to the additional displacement in vibrations of the nozzle head, for example in ultrasonic vibrations, for example, residues and / or soiling on the inner wall of the respective container can be even better removed.
- the cleaning device is further adapted to supply compressed air to the rotary piston and / or the condenser.
- the cleaning device can be dried by means of compressed air, so that the rotary evaporator can be reused more quickly and / or the residues can be removed from the piston or condenser before cleaning, which simplifies the cleaning process, for example .
- a rotary evaporator according to the invention comprises at least one rotatably arranged rotary piston for receiving a substance to be evaporated and a condenser for condensing the vaporized substance during operation, as well as a cleaning device described above.
- the cleaning device is provided as a removal and / or retrofit kit for the rotary evaporator.
- a control unit according to the invention is used for a cleaning device according to the invention described above and / or for a rotary evaporator according to the invention described above, wherein the control unit is designed to control the cleaning device or the rotary evaporator so that during operation of the cleaning device, in particular independently of the operation of the rotary evaporator, the Rotary piston and / or the condenser from the makesmit telvorrat through the supply line by means of the pressure generating means a pressurized cleaning agent for cleaning the rotary piston or the capacitor is fed tor.
- the control unit it is possible, for example, to automatically perform a cleaning process on the rotary evaporator.
- An inventive cleaning method for a rotary evaporator is used for cleaning a rotary piston and / or a condenser of the rotary evaporator.
- the rotary piston and / or the condenser supplied by means of a pressure generating means from a detergent supply through a supply line, a pressurized cleaning agent.
- the cleaning method according to the invention can also be further developed by the features listed above or the features of the cleaning device and / or the rotary evaporator and / or the control unit specified in the subclaims.
- FIG. 1 is a schematic view of a rotary evaporator with a cleaning device according to an embodiment of the present invention.
- FIG. 2 is a schematic view of a rotary evaporator with a section of a cleaning device according to a development of the embodiment shown in FIG.
- FIGS. 3a and 3b are schematic views of embodiments of a nozzle head for use in the cleaning device shown in FIG.
- the rotary evaporator 2 comprises a rotary piston 4 arranged in a heating bath 3 and rotatable about a rotation axis by means of a rotary drive 7 for receiving a starting material.
- the rotary piston 4 may be configured, for example, as a round-bottomed glass.
- the heating bath 3 contains a heatable liquid, for example water or oil.
- a steam path is formed.
- a collecting container and / or distillate removal container 6 for receiving and / or removal of liquefied distillate is provided.
- the rotary piston 4, the condenser 5 and the collecting container 6 preferably form a gas-tight system with the elements arranged in the vapor path between them.
- the rotary evaporator 2 comprises an operating unit 12 for controlling the individual components of the rotary evaporator 2.
- the condenser 5 has a vacuum connection 9 for connecting a vacuum pump (not shown in FIG. 1) for generating a negative pressure up to a vacuum, as well as coolant connections (also not shown in FIG. 1) for supplying and discharging a coolant.
- the condenser 5 preferably has at its upper portion a connection 10 for supplying a cleaning agent, and preferably at its lower portion a connection 11 for discharging the cleaning agent.
- the cleaning device 1 shown in FIG. 1 comprises a cleaning agent reservoir formed as a reservoir 13 for storing a cleaning agent, which is connected to the upper section of the condenser 5 via a feed line 16 and the connection 10 of the condenser 5. Furthermore, the cleaning device 1 comprises a removal container 14, which is connected via a discharge line 17 and the terminal 11 of the capacitor 5 with the lower portion of the capacitor 5 in connection.
- the cleaning agent is preferably a cleaning fluid, for example water or a cleaning agent used on a starting material used in operation of the rotary evaporator or on at least one component, in particular a component vaporized during operation, of the starting material. Also, a cleaning agent may be added to the cleaning agent or water may be used with an added cleaning agent.
- the cleaning device 1 comprises a pressure generating means designed as a compressor 15.
- the compressor 15 is designed to allow the cleaning agent to flow from the reservoir 13 under pressure through the supply line 16 in the direction of the condenser 5, and to generate a negative pressure in the discharge line 17 and thus to remove the cleaning agent from the lower section to suck the capacitor 5.
- separate pumps for generating a pressure in the cleaning agent in the supply line 16 and for generating a negative pressure in the discharge line 17 may also be provided.
- the compressor 15 is electronically connected to the operating unit 12 for controlling the compressor 15 via the operating unit 12.
- the temperature of the heating bath 3, the rotational speed of the rotary piston 4 and a negative pressure in the rotary piston 4 are controlled by means of the operating unit 12 such that a desired component of the starting material received in the rotary piston 4 or the entire starting material evaporates.
- the evaporated distillate passes into the condenser 5, where it is cooled and condensed.
- the liquefied distillate flows into the collecting container 6 and can then be removed.
- the rotary piston 4 and the condenser 5 are cleaned.
- the rotary evaporator is essentially out of operation, i.
- the rotary container 4 and the collecting container 6 are substantially emptied except for residues and / or residues.
- the heating bath 3 is switched off.
- the rotary drive 7 and / or the Va kuumpumpe for generating a negative pressure can also be turned off.
- cleaning agent is supplied from the storage container 13 under pressure through the supply line 16 to the upper portion of the condenser 5.
- the cleaning agent flows down through the condenser 5 and through the steam duct 8 into the rotary piston 4.
- This causes impurities and residues from the inner walls of the condenser 5, the steam duct 8 and the rotary piston 4 dissolved and absorbed in the detergent.
- a rotation of the rotary piston 4 can enhance the cleaning effect.
- the soiled cleaning agent is sucked through the discharge line 17, so that it flows from the rotary piston 4 and the lower portion of the condenser 5 through the discharge line 17 into the removal container 14.
- the cleaning process can take place continuously, ie the supply of cleaning agent through the supply line 16 and the suction of the soiled cleaning agent through the discharge line 17 occur at least temporarily simultaneously.
- an amount of the cleaning agent can first be introduced into the condenser 5 and the rotary piston 4 and this can then be sucked off without new cleaning agent being supplied during the suction.
- the control of the cleaning device is preferably carried out by controlling the compressor 15, and optionally by controlling valves optionally provided on the supply line 16 and / or the discharge line 17. These valves (not shown in the figures) may be adapted to lock and release the corresponding conduit and / or to control the flow rate of the cleaning agent through the respective conduit.
- the control of the compressor 15 and the optional valves can be done manually by a user, either on the compressor or the valves themselves or via the control unit 12, or automatically.
- the cleaning process can be done automatically after one or more distillation operations.
- the operating unit 12 is formed, for example, as a control unit.
- the control unit may include a CPU whose operation is controlled by a computer program (software).
- the discharge line 17 can also be guided through the connection 11 of the condenser 5 into the rotary piston 4.
- the discharge line 17 is guided substantially to the bottom of the rotary piston 4, ie its deepest point, in order to be able to discharge a substantial part of the cleaning agent, preferably the entire cleaning agent, out of the rotary piston 4.
- the supply line 16 may also be connected to a faucet, so that tap water passes through the supply line 16 as cleaning agent. With sufficient pressure of the tap water, the supply line 16 can also be provided without the compressor 15.
- the effluent from the tap tap water serves both as a detergent supply, and as a pressure generating means.
- the tap water cleaning agents and / or care agents can be added.
- FIG. 2 shows the rotary evaporator 2 shown in FIG. 1 with a development of the cleaning device 1 shown in FIG. 1.
- the reservoir 13, the removal container 14 and the compressor 15 are not shown in FIG. Similarly, the derivative 17 is not shown.
- the cleaning device 1 shown in Fig. 2 comprises two supply lines 16, 16 'which are connected to the compressor 15 (not shown) and the reservoir 13 (also not shown) or alternatively with a faucet.
- the supply lines 16, 16 ' are in each case connected to a cleaning lance 18, 18', which in each case has a line section 19 and a nozzle head 20.
- the line section 19 of the cleaning lances 18, 18 ' is, for example, a tube-shaped rigid hollow body which is suitable for directing the pressurized cleaning agent from the supply line 16, 16' to the nozzle head 20.
- the line sections 19 of the cleaning lances 18, 18 ' are guided in FIG. 2 through the connections 10 and 11 into the condenser 5 or into the rotary piston 4.
- the cleaning lances 18, 18 ' are preferably movable in an axial direction (ie along the longitudinal axis of the line sections 19) and / or radial direction (ie perpendicular to the longitudinal axis of the line sections 19) in the condenser 5 or in the rotary piston 4. or rotatable about its longitudinal axis in the condenser 5 or rotary piston 4 and / or the nozzle head 20 is rotatably arranged on the line section 19.
- a first exemplary embodiment of the nozzle head 20 of the cleaning lance 18, 18 'adjoining the line section 19 is shown in FIG. 3a.
- the outlet openings 21 are, for example, circular holes in the nozzle head 20 with a diameter b, wherein the diameter b of the holes is preferably selected to be smaller than a diameter d of the line section 19.
- the total surface area of all outlet openings 21 of the nozzle head 20 is smaller than the cross-sectional area of the line section 19. This achieves that the cleaning agent exits the outlet openings 21 at high speed, in particular at a higher speed than the cleaning medium flows through the line section 19.
- the pressurized cleaning agent flows through the supply line 16 or 16 'and the respective line section 19 of the cleaning lance 18 or 18' and then enters the nozzle head, where it passes through the outlet openings 21 exits at high speed as detergent jets 22.
- the cleaning agent exits substantially in all spatial directions (except in the direction of the line section 19).
- the cleaning lance 18, 18 ' is optionally moved in the axial and / or radial direction in the condenser 5 and the rotary piston 4 and / or at least the nozzle head is rotated about the longitudinal axis of the line section 19, so that all possible areas of the inner wall of the capacitor 5 and the rotary piston 4 are scanned by the detergent jets 22.
- the soiled cleaning agent is sucked out of the rotary piston 4 and the condenser 5 by means of a drain (not shown in FIG. 2) by means of a negative pressure.
- the discharge can, as described with reference to FIG. 1, separate from the cleaning lance 18, 18 'may be provided, which is connected to a terminal of the capacitor and / or is guided through a connection of the capacitor into the rotary piston.
- the discharge can also be formed integrally with the cleaning lance 18, 18 ', for example, a further line section for discharging the solvent can be provided next to and parallel to the line section 19.
- the cleaning process can be carried out continuously or by alternately supplying and removing detergent in time.
- the control of the cleaning device shown in Fig. 2 is also carried out as described with reference to FIG. 1 manually or automatically by controlling the compressor 15 and optional valves on the supply lines and / or leads.
- Fig. 2 two cleaning lances 18, 18 'are shown, which are introduced into the condenser 5 and the rotary piston 4.
- the condenser 5 and the rotary piston 4 can thus be cleaned simultaneously (by simultaneous operation of the two cleaning lances).
- the cleaning lances 18, 18 'can also be operated in succession, so that substantially first the condenser 5 and then the rotary piston 4 or vice versa is cleaned. In the case of successive cleaning, only one cleaning lance can be provided, which is first introduced into the condenser 5 and then into the rotary piston 4 or vice versa.
- the cleaning lance (s) 18, 18 'can be provided as integral components of the rotary evaporator 2, so that they do not have to be introduced into the latter for performing the cleaning process.
- the cleaning lance (s) 18, 18 'can be provided separately from the rotary evaporator 2 and introduced into it for a cleaning process.
- the outlet openings 21 are regularly spaced from each other, except for the area where the conduit portion 19 and the nozzle head 20 are in communication.
- the order of the outlet openings 21 on the nozzle head can also deviate therefrom; for example, the outlet openings can be distributed at least in sections irregularly on the nozzle head.
- the shape of the outlet openings 21 can also deviate from the circular shape shown in FIG. 3a. They can assume any desired shape, in particular also outlet openings 21 with different geometric shapes and / or sizes can be provided on the nozzle head 20.
- the distribution and / or geometric shape, in particular size (ie dimension) of the outlet openings 21 is adapted to a geometric shape and / or extent of the rotary piston 4 and the capacitor 5.
- the nozzle head 20 may differ from the spherical shape shown in Fig. 3a, for example, it may be elongated.
- FIG. 3b shows a second exemplary embodiment of a nozzle head 20 'of a cleaning lance 18, 18'.
- the nozzle head 20 ' is designed as an extension of the line section 19 with a preferably continuously decreasing cross-sectional area.
- an outlet opening 21 is provided, from which the cleaning agent emerges during operation as cleaning agent jet 22.
- the outlet opening 21 thus has a smaller cross-sectional area than the line section 19.
- FIG. 3b shows a circular outlet opening 21 whose diameter b is smaller than the diameter d of the line section 19.
- the cleaning agent leaves the nozzle head 20 'substantially downwards, ie, in the direction of the longitudinal axis of the line section 19, out of the outlet opening 21.
- the high-speed detergent jet 22 it is possible to direct the high-speed detergent jet 22 to a fixed position in the evaporator 5 and the rotary piston 4, respectively.
- the cleaning lance with the nozzle head 20 ' is optionally moved in the axial direction during the detergent outlet and / or at least the nozzle head is rotated and / or pivoted about the longitudinal axis of the line section 19 (ie at an angle to the Longitudinal axis of the line section 19 brought), so that all possible Regions of the inner wall of the condenser 5 and the rotary piston 4 can be scanned by the detergent jet 22.
- the outlet port 21 is at the lower end of the nozzle head, i. in extension of the line section 19, hen provided.
- the outlet opening can also be provided at another point of the nozzle head 20 ', for example laterally.
- the detergent jet 22 exits laterally and / or at an angle downwards.
- a nozzle head 20 'with a single outlet opening 21 is shown in FIG. 3b, but the nozzle head may also have a plurality of outlet openings as shown in FIG. 3a.
- the outlet opening 22 may deviate from the described circular shape.
- the geometric shape, in particular size (i.e., dimension), of the outlet opening 21 is adapted to a geometric shape and / or extension of the rotary piston 4 and the condenser 5, respectively.
- the nozzle head shown in FIG. 3 a and / or FIG. 3 b can be set in ultrasonic oscillations, which is illustrated by the lines 23 in the figures.
- the ultrasound propagates in the detergent jets and the cleaning agent comes into vibration on the container wall, whereby the cleaning effect can be further improved.
- compressed air can be introduced into the rotary piston 4 and / or the condenser 5 after the cleaning agent has been sucked off by the cleaning device 1.
- a compressed air source is connected to the supply line 16 or 16 'or to a separately provided compressed air line of the cleaning device 1, the air escaping from the rotary piston 4 or the condenser 5, for example through the discharge line 17 can. Due to the compressed air, cleaning agent remaining in the condenser 5 and / or the rotary piston 4 can be displaced therefrom, which causes the condenser 5 or the rotary piston 4 to dry.
- the introduction of compressed air takes place automatically, for example by controlling valves provided on the supply line by a control unit.
- the introduction of compressed air can also be carried out before a cleaning process, for example, to remove residues of the starting material and / or the distillate from the Rotationskoben and / or the capacitor.
- the supply line 16, 16 'and the discharge line 17 are preferably fixedly connected to the respective terminals 10, 11 of the capacitor 5.
- the supply and discharge can also be connected to the respective terminals of the capacitor only before the start of the cleaning process.
- the discharge can also be a line already provided on the rotary evaporator or a line connected to such a line, for example a line for emptying residual substance residues.
- suitable valves in particular directional control valves, may be provided for controlling the cleaning process.
- a cleaning lance for the condenser and / or the rotary piston is provided in each case.
- an improved cleaning effect can be achieved by providing a plurality of cleaning lances or nozzle heads.
- the line sections of the cleaning lances or nozzle heads are preferably routed at regular intervals from one another at a distance from the center point of the corresponding terminal of the capacitor through this connection.
- the line section of the cleaning lance is preferably guided centrally through the corresponding connection of the capacitor.
- the cleaning device 1 may be formed integrally with the rotary evaporator 2, or it may be provided separately from the rotary evaporator 2 as an extension or retrofit kit for the rotary evaporator.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202018002603.4U DE202018002603U1 (de) | 2018-05-30 | 2018-05-30 | Reinigungsvorrichtung für einen Rotationsverdampfer |
PCT/EP2019/063976 WO2019229129A1 (de) | 2018-05-30 | 2019-05-29 | Reinigungsvorrichtung für einen rotationsverdampfer |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3773960A1 true EP3773960A1 (de) | 2021-02-17 |
Family
ID=62813273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19729654.4A Pending EP3773960A1 (de) | 2018-05-30 | 2019-05-29 | Reinigungsvorrichtung für einen rotationsverdampfer |
Country Status (5)
Country | Link |
---|---|
US (1) | US11395979B2 (de) |
EP (1) | EP3773960A1 (de) |
CN (1) | CN112203736B (de) |
DE (1) | DE202018002603U1 (de) |
WO (1) | WO2019229129A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD748232S1 (en) * | 2013-06-17 | 2016-01-26 | Büchi Labortechnik AG | Rotary evaporator |
CN114470818B (zh) * | 2021-10-26 | 2023-07-07 | 成都科建生物医药有限公司 | 一种用于制备脂质体的旋转蒸发装置 |
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DE3526644C3 (de) * | 1985-07-25 | 1996-09-26 | Bela Medvey | Rotationsverdampfer |
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JP4350178B2 (ja) * | 1998-05-29 | 2009-10-21 | 東京理化器械株式会社 | 抽出濃縮装置 |
DE10108242C1 (de) * | 2001-02-21 | 2002-08-08 | Hans Georg Genser | Rotationsverdampfer mit Pendelsystem mit verlagertem Drehpunkt |
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DE10226478B4 (de) * | 2001-07-05 | 2006-10-05 | Hans Georg Genser | Rotationsverdampfung mit variabler Dosierung |
AU2003291547A1 (en) * | 2002-11-13 | 2004-06-03 | Deka Products Limited Partnership | Distillation with vapour pressurization |
JP4547141B2 (ja) * | 2003-10-29 | 2010-09-22 | 株式会社創造化学研究所 | 液状の媒体の回収装置 |
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JPWO2007069718A1 (ja) | 2005-12-16 | 2009-05-28 | 株式会社テクノシグマ | 液状媒体等の気化分離装置 |
CN2892229Y (zh) * | 2006-01-13 | 2007-04-25 | 刘云清 | 双口式多功能旋转蒸发器 |
JP5246842B2 (ja) * | 2007-10-02 | 2013-07-24 | 独立行政法人放射線医学総合研究所 | ロータリエバポレータ及びこのロータリエバポレータを備えた放射性薬剤の自動調剤装置 |
DE102008051364B4 (de) | 2008-10-15 | 2012-03-15 | Ika-Werke Gmbh & Co. Kg | Rotationsverdampfer |
DE202011106544U1 (de) * | 2011-10-08 | 2013-01-09 | Knf Neuberger Gmbh | Rotationsverdampfer |
DE102011121650A1 (de) * | 2011-12-19 | 2013-06-20 | Hans Heidolph Gmbh & Co. Kg | Destillationsvorrichtung |
EP2873965A1 (de) * | 2013-11-13 | 2015-05-20 | Büchi Labortechnik AG | Vorrichtung und Verfahren zur Erkennung einer Schaumentwicklung |
DE102014107187A1 (de) * | 2014-05-21 | 2015-11-26 | Hans Heidolph Gmbh & Co. Kg | Rotationsverdampfer |
CN204745694U (zh) * | 2015-05-27 | 2015-11-11 | 天津怡昇园科技发展有限公司 | 一种改进的旋转蒸发仪 |
CN204767462U (zh) * | 2015-06-12 | 2015-11-18 | 天津博仕化工科技有限公司 | 一种便于清洗的旋转蒸发仪 |
DE102015211318A1 (de) * | 2015-06-19 | 2016-12-22 | Krones Ag | Verfahren zum Reinigen von Behältern und/oder Behältergebinden und Reinigungsvorrichtung |
CN205182223U (zh) * | 2015-12-07 | 2016-04-27 | 长沙普济生物科技有限公司 | 一种精确进料的旋转蒸发仪 |
DE102016119645A1 (de) * | 2016-10-14 | 2018-04-19 | Hans Heidolph GmbH | Verdampfer |
DE202017004053U1 (de) * | 2017-08-01 | 2017-08-11 | Heidolph Instruments GmbH & Co. KG | Rotationsverdampfer |
CN207169070U (zh) * | 2017-09-20 | 2018-04-03 | 河南科技学院 | 一种食品实验分析用便于清洗的旋转蒸发仪 |
CN107970630A (zh) * | 2018-01-02 | 2018-05-01 | 北京师范大学 | 带有电加热带的旋转蒸发装置 |
-
2018
- 2018-05-30 DE DE202018002603.4U patent/DE202018002603U1/de active Active
-
2019
- 2019-05-29 EP EP19729654.4A patent/EP3773960A1/de active Pending
- 2019-05-29 US US17/058,831 patent/US11395979B2/en active Active
- 2019-05-29 CN CN201980035944.3A patent/CN112203736B/zh active Active
- 2019-05-29 WO PCT/EP2019/063976 patent/WO2019229129A1/de unknown
Also Published As
Publication number | Publication date |
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CN112203736B (zh) | 2023-01-10 |
DE202018002603U1 (de) | 2018-06-18 |
CN112203736A (zh) | 2021-01-08 |
US20210205730A1 (en) | 2021-07-08 |
WO2019229129A1 (de) | 2019-12-05 |
US11395979B2 (en) | 2022-07-26 |
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