CN211635265U - Rotary evaporator - Google Patents
Rotary evaporator Download PDFInfo
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- CN211635265U CN211635265U CN201922395861.5U CN201922395861U CN211635265U CN 211635265 U CN211635265 U CN 211635265U CN 201922395861 U CN201922395861 U CN 201922395861U CN 211635265 U CN211635265 U CN 211635265U
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- water bath
- pot
- water
- heater
- preheating
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Abstract
The utility model relates to a rotary evaporator. The technical scheme is as follows: comprises a lifting base, a rotating host, a charging pipe, a collecting bottle, a cooler, a rotating bottle, a water bath pot cover, a preheating pot, a support frame, a first heater, a second heater, a water injection pipe, a liquid level sensor and a ball float valve. The utility model discloses increased the lid of making by clear glass on the water bath, can promote the heating efficiency of water bath and effectively reduce the evaporation loss of waters pot normal water, reduce the wasting of resources, in addition, the switch of its heating of level sensor control is passed through to the preheating pot that adds, and add hot water to the water bath through ball-cock assembly control preheating pot, the water yield in the water bath has been guaranteed, the too big influence heating effect of temperature variation because of adding in cold water messenger water bath has also been avoided simultaneously, also can reduce the time of occuping the user in the time of whole device resources are saved, make the user need not to often look over the water yield in the water bath again, promote work efficiency.
Description
Technical Field
The utility model belongs to the laboratory paraphernalia field relates to a rotary evaporator.
Background
The rotary evaporator is a common laboratory device, is mainly used for continuously distilling a large amount of volatile solvents under the condition of reduced pressure, and is applied to the fields of chemistry, chemical engineering, biological medicine and the like. The working principle of the rotary evaporator is that the rotary bottle is controlled to rotate at a constant speed under the most appropriate speed so as to increase the evaporation area, the rotary bottle is placed in a water bath kettle to be heated at a constant temperature, and the solution in the rotary bottle is heated, diffused and evaporated. The solution in the rotary bottle is evaporated to become steam, and then enters a cooler to be cooled into liquid and flows into a collecting bottle. There are two variables to need someone in whole equipment to handle control, one is the volume of raw materials liquid in the rotatory bottle, and one is the volume of water in the water bath, especially can the rapid evaporation to the water yield in the in-process water bath that carries out the evaporation of some raw materials liquid that need high temperature heating to carry out rapid volatilization, and whole utilization ratio is not high and cause the wasting of resources, simultaneously, still need someone constantly pay attention to the water yield in the water bath and add, occupy manpower resources.
SUMMERY OF THE UTILITY MODEL
In view of the problem that exists among the prior art, the utility model discloses a rotary evaporator, the technical scheme of adoption is, including lift base, rotating host, filling tube, receiving flask, cooler, rotatory bottle, primary heater, second heater, its characterized in that: the rotary main machine is fixedly mounted on the lifting base, the rotary main machine is provided with the rotary bottle in a matched mode, the rotary bottle is communicated and mounted on the cooler, the lower end of the cooler is communicated and mounted with the collecting bottle, the feed pipe penetrates through the cooler and extends into the rotary bottle, the first heater is fixedly provided with a water bath pot, the water bath pot is covered with a water bath pot cover, the rotary bottle is obliquely positioned in the water bath pot, the side edge of the first heater is fixedly connected with a support frame, the support frame is provided with the second heater, the second heater is fixedly provided with a preheating pot, the preheating pot is higher than the water bath pot and is communicated with the water bath pot through a water injection pipe, the water injection pipe is connected with the upper position of the water bath pot and is fixedly connected with a floating ball valve at the position of a pipe orifice, and the floating ball valve is positioned in the inner cavity of the water bath pot, the water injection pipe with the position that the preheating pot is connected is in the bottom of preheating pot, fixed mounting has level sensor on the water-bath side, level sensor detection end is located in the inner chamber of water-bath and it pass through the wire with second heater electric connection.
As an optimal scheme of the utility model, the water bath pot cover is opened for hemisphere shell shape and its side has the notch, rotatory bottle passes the notch is stretched out, the water bath pot cover chooses for use the clear glass material.
As an optimized scheme of the utility model, the supporting pot cover that preheats that has on the preheating pot, the pot cover that preheats is flat pot cover.
As an optimized proposal of the utility model, the water injection pipe is a stainless steel pipe.
As an optimized scheme of the utility model, level sensor's operating condition satisfies that medium temperature surpasses 100 degrees centigrade.
The utility model has the advantages that: the utility model discloses increased the lid of making by transparent glass on the water bath, can promote the heating efficiency of water bath and effectively reduce the evaporation loss of waters pot normal water, reduce the wasting of resources, but do not influence the observation to rotatory bottle, in addition, the switch that its heating was controlled through level sensor to the preheating pan that adds, and add hot water to the water bath through ball-cock assembly control preheating pan, the water yield in the water bath has been guaranteed, also avoided simultaneously influencing its heating to rotatory bottle because of adding the too big temperature variation in the cold water messenger water bath, also can reduce the time of occuping the user when whole device resources are saved, make the user need not to often look over the water yield in the water bath again, promote work efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a sectional view of the water bath kettle of the present invention.
In the figure: 1-lifting base, 2-rotating main machine, 3-feeding pipe, 4-collecting bottle, 5-cooler, 6-rotating bottle, 7-water bath pot, 8-water bath pot cover, 801-notch, 9-preheating pot, 901-preheating pot cover, 10-supporting frame, 11-first heater, 12-second heater, 13-water injection pipe, 14-liquid level sensor and 15-ball float valve.
Detailed Description
Example 1
As shown in fig. 1 to fig. 2, a rotary evaporator, the technical scheme of adoption is, including lift base 1, rotatory host computer 2, filling tube 3, receiving flask 4, cooler 5, rotatory bottle 6, primary heater 11, secondary heater 12, its characterized in that: fixed mounting has on the lift base 1 rotatory host computer 2, the cooperation is installed on the rotatory host computer 2 rotatory bottle 6, rotatory bottle 6 intercommunication is installed on the cooler 5, the installation of cooler 5 lower extreme intercommunication the receiving flask 4, the filling tube 3 passes cooler 5 stretches into in the rotatory bottle 6, fixed mounting has water bath pot 7 on the first heater 11, water bath pot 7 is upper cover has water bath pot cover 8, rotatory bottle 6 inclines to be located in the water bath pot 7, first heater 11 side fixedly connected with support frame 10, install on the support frame 10 the second heater 12, fixed mounting has preheating pot 9 on the second heater 12, preheating pot 9 is higher than water bath pot 7 and between the two through water injection pipe 13 intercommunication, water injection pipe 13 is connected the position and at mouth of pipe position fixedly connected with ball-cock assembly 15 by the last position of water bath pot 7, the ball-cock assembly 15 is located in the 7 inner chambers of water-bath, the water injection pipe 13 with the position that preheating pot 9 is connected is in preheating pot 9's bottom, fixed mounting has level sensor 14 on the 7 sides of water-bath, level sensor 14 surveys the end and is located in the inner chamber of water-bath 7 and its pass through the wire with second heater 12 electric connection.
The water bath pot cover 8 is in a hemispherical shell shape, a notch 801 is formed in the side edge of the water bath pot cover, the rotary bottle 6 penetrates through the notch 801 to extend out, and the water bath pot cover 8 is made of transparent glass.
The preheating pot 9 is matched with a preheating pot cover 901, and the preheating pot cover 901 is a flat pot cover.
The water injection pipe 13 is a stainless steel pipe.
The operating conditions of the level sensor 14 are such that the medium temperature exceeds 100 ℃.
The utility model discloses a theory of operation: treat that the raw materials liquid of evaporation passes through the filling tube 3 and adds in rotatory bottle 6, all add water in water bath 7 and preheating pot 9, rotatory bottle 6 is placed in water bath 7, and cover water bath pot cover 8, drive rotatory bottle 6 through rotating the host computer 2 and rotate, heat water bath 7 through first heater 11, thereby add through hot water rotatory bottle 6 and make the raw materials liquid evaporation and enter into cooler 5, the liquefied evaporating liquid is collected in collecting bottle 4 after the cooling. The liquid level sensor 14 measures the water quantity in the water bath 7 in real time, when the water quantity in the water bath 7 is reduced to a set value, the liquid level sensor 14 feeds measurement information back to the second heater 12 and starts the second heater 12, so that the preheating pot 9 is heated, the ball float valve 15 is opened after the water quantity in the water bath 7 continuously drops to a certain degree, so that the heated water in the preheating pot 9 enters the water bath 7 through the water injection pipe 13, the ball float valve 15 is closed after the added water quantity reaches a certain degree, meanwhile, the liquid level sensor 14 closes the second heater 12 through the feedback information, so that the heating of the preheating pot 9 is stopped, thereby ensuring the water quantity in the water bath 7 and avoiding resource waste caused by long-time continuous heating of the preheating pot 9.
Components and circuit connections not described in detail herein are prior art.
Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations without creative efforts are still within the scope of the present invention.
Claims (5)
1. The utility model provides a rotary evaporator, includes lift base (1), rotatory host computer (2), filling tube (3), receiving flask (4), cooler (5), rotatory bottle (6), first heater (11), second heater (12), its characterized in that: fixed mounting has on lift base (1) rotatory host computer (2), cooperation is installed on rotatory host computer (2) rotatory bottle (6), rotatory bottle (6) intercommunication is installed on cooler (5), cooler (5) lower extreme intercommunication installation receiving flask (4), filling tube (3) are passed cooler (5) stretch into in rotatory bottle (6), fixed mounting has water bath pot (7) on first heater (11), water bath pot (7) are upper cover has water bath pot lid (8), rotatory bottle (6) slope is located in water bath pot (7), first heater (11) side fixedly connected with support frame (10), install on support frame (10) second heater (12), fixed mounting has preheating pot (9) on second heater (12), preheating pot (9) are higher than through water injection pipe (13) intercommunication between water bath pot (7) and the two, water injection pipe (13) are connected leaning on last position of water bath pot (7) and at mouth of pipe position fixedly connected with ball-cock assembly (15), ball-cock assembly (15) are located in water bath pot (7) inner chamber, water injection pipe (13) with the position that preheating pot (9) are connected is in the bottom of preheating pot (9), fixed mounting has level sensor (14) on water bath pot (7) side edge, level sensor (14) survey the end position in the inner chamber of water bath pot (7) and its pass through the wire with second heater (12) electric connection.
2. A rotary evaporator according to claim 1 wherein: the water bath pot cover (8) is in a hemispherical shell shape, a notch (801) is formed in the side edge of the water bath pot cover, the rotary bottle (6) penetrates through the notch (801) to extend out, and the water bath pot cover (8) is made of transparent glass.
3. A rotary evaporator according to claim 1 wherein: the preheating pot (9) is matched with a preheating pot cover (901), and the preheating pot cover (901) is a flat pot cover.
4. A rotary evaporator according to claim 1 wherein: the water injection pipe (13) is a stainless steel pipe.
5. A rotary evaporator according to claim 1 wherein: the working condition of the liquid level sensor (14) meets the condition that the medium temperature exceeds 100 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922395861.5U CN211635265U (en) | 2019-12-27 | 2019-12-27 | Rotary evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922395861.5U CN211635265U (en) | 2019-12-27 | 2019-12-27 | Rotary evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211635265U true CN211635265U (en) | 2020-10-09 |
Family
ID=72699832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922395861.5U Active CN211635265U (en) | 2019-12-27 | 2019-12-27 | Rotary evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211635265U (en) |
-
2019
- 2019-12-27 CN CN201922395861.5U patent/CN211635265U/en active Active
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