CN214680093U - Rotary evaporator for solvent recovery - Google Patents
Rotary evaporator for solvent recovery Download PDFInfo
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- CN214680093U CN214680093U CN202120111714.5U CN202120111714U CN214680093U CN 214680093 U CN214680093 U CN 214680093U CN 202120111714 U CN202120111714 U CN 202120111714U CN 214680093 U CN214680093 U CN 214680093U
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Abstract
The utility model relates to an evaporimeter technical field just discloses a rotary evaporator for solvent recovery, comprising a base plate, the right side fixedly connected with water bath at bottom plate top, the top of water bath is provided with the retort, the left side fixedly connected with communicating pipe of retort, the surface of communicating pipe and the inner wall sliding connection of solid fixed cylinder, both sides rotate with one side of a set of backup pad respectively around the solid fixed cylinder and are connected. This rotary evaporator is used in solvent recovery, through setting up conveyer pipe and three-way valve for the retort makes the solution in the inlet pipe suction material bottle and lets in the retort with solution owing to the inside solution gasification of retort and entering communicating pipe when carrying out distillation work, so that the device carries out distillation work in succession, through setting up the filter screen and welding arch on the filter screen, make the filter screen destroy with the bubble that produces when protruding will distill, reduce the inside possibility that takes place the bumping phenomenon of device.
Description
Technical Field
The utility model relates to an evaporimeter technical field specifically is a rotary evaporator is used in solvent recovery.
Background
At present, in a biochemical laboratory, a rotary evaporator is a common experimental instrument, consists of an electric heating device, a recovery bottle, a condensing device, an evaporation bottle and the like, and is mainly used for continuously distilling a large amount of volatile solvents under a reduced pressure condition; in practical application, because the distilled liquid contains foaming substances, the liquid can be splashed in the rotary distillation process, so that the solution is boiled out to the reagent recovery bottle, the experimental process is influenced, and the failure of the experiment can be seriously caused.
Chinese patent publication No. CN206315493U proposes an anti-explosion boiling type rotary evaporator, which comprises a bracket, a water bath, and a reagent bottle, a buffer device, a rotary evaporator and a condenser connected in sequence from right to left; the condenser and the gyroscope are fixed on the bracket, a pressure release valve is arranged on one side of the condenser, which is far away from the bracket, and the bottom of the pressure release valve is connected with a solvent recovery bottle; the reagent bottle is placed in the water bath pot the utility model discloses simple structure can prevent effectively that when evaporating soon, in the solvent recovery bottle is boiled out to solution in from the reagent bottle, has promoted and has evaporated efficiency soon. However, the device does not have the function of adjusting the angle of the buffer device, so that the collection efficiency of the solution is not convenient to adjust according to the amount of the solution, and the practicability of the device is low.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a rotary evaporator for solvent recovery has solved the function that does not possess the regulation buffer angle, is not convenient for adjust the collection efficiency of solution according to the quantity of solution, leads to the lower problem of practicality of device.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a rotary evaporator for solvent recovery comprises a bottom plate, a right side of the top of the bottom plate is fixedly connected with a water bath, a distillation flask is arranged above the water bath, a left side of the distillation flask is fixedly connected with a communicating pipe, the outer surface of the communicating pipe is in sliding connection with the inner wall of a fixed cylinder, the front side and the rear side of the fixed cylinder are respectively in rotating connection with one side of a group of supporting plates, the bottom of the supporting plates is fixedly connected with the top of the bottom plate, the left end of the communicating pipe penetrates through a cooling bottle and is positioned on the left side of the cooling bottle, the bottom of the cooling bottle is fixedly connected with the top of a collecting bottle, a gap is reserved between the bottom of the collecting bottle and the top of the bottom plate, the inner wall of the top of the cooling bottle is fixedly connected with a condenser, a safety bottle is arranged on the right side of the condenser, and the right side of the cooling bottle is communicated with the input end of the safety bottle through a connecting pipe, the outer surface of the cooling bottle is fixedly connected with a fixing ring, the right side of the fixing ring is fixedly connected with two groups of lifting plates, the top of the lifting plates is provided with a guide hole, the inner wall of the guide hole is in sliding connection with the outer surface of the guide post, the bottom of the guide post is fixedly connected with the top of a support plate, the bottom of the lifting plate is in rotating connection with the top of a rotating rod, the bottom of the rotating rod is in rotating connection with a sliding block, the bottom of the sliding block is in sliding connection with the top of a bottom plate, the rear side of the sliding block is provided with a threaded hole, the inner wall of the threaded hole is in threaded connection with the outer surface of a threaded rod, the front end of the threaded rod is in rotating connection with the rear side of the fixing block, the bottom of the fixing block is fixedly connected with the top of the bottom plate, the inner wall of a communication pipe is fixedly connected with a conveying pipe, the right end of the conveying pipe is communicated with a distillation flask, and the left end of the conveying pipe is communicated with the right end of a three-way valve, the bottom of three-way valve and the top of inlet pipe intercommunication, the bottom of inlet pipe pass the top of storage bottle and with the inside of storage bottle, the bottom of storage bottle and the top fixed connection of bottom plate.
Preferably, two sections of threads arranged on the front side and the rear side of the outer surface of the threaded rod are opposite in direction, and the two groups of sliding blocks are symmetrical about the vertical central axis of the bottom plate.
Preferably, the left side and the right side of the fixed cylinder are both provided with a group of limiting rings, and the inner walls of the limiting rings are fixedly connected with the outer surface of the communicating pipe.
Preferably, the distance between the opposite sides of the two sets of lifting plates is less than the width of the safety bottle, and the maximum distance of the lifting plates descending is less than the distance from the bottoms of the lifting plates to the upper surface of the communicating pipe.
Preferably, the inner wall fixedly connected with multiunit filter screen of communicating pipe, the even welding in right side of filter screen has the arch, and the inner wall of filter screen is connected with the surface fixed of conveyer pipe.
Preferably, the bottoms of the outer surfaces of the two groups of supporting plates are fixedly connected with the positioning plate, and the bottom of the positioning plate is fixedly connected with the top of the bottom plate.
(III) advantageous effects
Compared with the prior art, the utility model provides a rotary evaporator for solvent recovery possesses following beneficial effect:
1. this rotary evaporator is used in solvent recovery, through setting up conveyer pipe and three-way valve for the distillation flask is carrying out the distillation during operation, because the inside solution gasification of distillation flask and entering communicating pipe make the solution in the inlet pipe suction material bottle and let in the distillation flask with solution, so that the device carries out the distillation operation in succession, through setting up the filter screen and welding arch on the filter screen, make the filter screen destroy with the bubble that produces when protruding will distill, reduce the inside possibility that takes place the bumping phenomenon of device.
2. This rotary evaporator is used in solvent recovery drives two sets of sliders through setting up the threaded rod and removes for the slider passes through the dwang and drives the lifter plate and rise or descend, is convenient for adjust the position of cooling bottle, has improved the practicality of device, and through setting up safe bottle, feasible when staff's operation is lost, safe bottle is flat with the inside atmospheric pressure of device, avoids the solution in the distillation flask to pass through during the conveyer pipe refluence gets into the feed bottle.
3. This rotary evaporator for solvent recovery, opposite direction through setting up two sections screw threads around on the threaded rod for when rotating the threaded rod, two sets of sliding blocks move in opposite directions or dorsad, so that two sets of lifter plates go up and down in step, avoid solid fixed ring to incline because of the atress is uneven, improved the security of device, through setting up the three-way valve, make the staff can slowly rotate the three-way valve and adjust in order to the speed of conveyer pipe transport solution, improved the practicality of device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the delivery pipe of the present invention;
fig. 3 is a schematic view of the structure of the rotating rod of the present invention.
In the figure: 1. a base plate; 2. a water bath kettle; 3. a distillation flask; 4. a communicating pipe; 5. a fixed cylinder; 6. a support plate; 7. cooling the bottle; 8. a collection bottle; 9. a safety bottle; 10. a condenser; 11. a fixing ring; 12. a lifting plate; 13. a guide post; 14. rotating the rod; 15. a slider; 16. a threaded rod; 17. a fixed block; 18. a delivery pipe; 19. a three-way valve; 20. a feed pipe; 21. a material bottle; 22. a limit ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a rotary evaporator for solvent recovery comprises a base plate 1, a water bath pot 2 is fixedly connected to the right side of the top of the base plate 1, a distillation flask 3 is arranged above the water bath pot 2, a communicating pipe 4 is fixedly connected to the left side of the distillation flask 3, the outer surface of the communicating pipe 4 is in sliding connection with the inner wall of a fixed cylinder 5, the front side and the rear side of the fixed cylinder 5 are respectively in rotating connection with one side of a group of supporting plates 6, the bottom of the supporting plates 6 is fixedly connected with the top of the base plate 1, the left end of the communicating pipe 4 penetrates through a cooling flask 7 and is positioned on the left side of the cooling flask 7, the bottom of the cooling flask 7 is fixedly connected with the top of a collecting flask 8, a gap is reserved between the bottom of the collecting flask 8 and the top of the base plate 1, a condenser 10 is fixedly connected to the inner wall of the top of the cooling flask 7, a safety flask 9 is arranged on the right side of the condenser 10, and is communicated with the input end of the safety flask 9 through a connecting pipe, the outer surface of the cooling bottle 7 is fixedly connected with a fixed ring 11, the right side of the fixed ring 11 is fixedly connected with two groups of lifting plates 12, the top of the lifting plate 12 is provided with a guide hole, the inner wall of the guide hole is connected with the outer surface of a guide post 13 in a sliding way, the bottom of the guide post 13 is fixedly connected with the top of a support plate 6, the bottom of the lifting plate 12 is rotatably connected with the top end of a rotating rod 14, the bottom of the rotating rod 14 is rotatably connected with a sliding block 15, the bottom of the sliding block 15 is connected with the top of the bottom plate 1 in a sliding way, the rear side of the sliding block 15 is provided with a threaded hole, the inner wall of the threaded hole is connected with the outer surface of a threaded rod 16, the front end of the threaded rod 16 is rotatably connected with the rear side of a fixed block 17, the bottom of the fixed block 17 is fixedly connected with the top of the bottom plate 1, the inner wall of a communicating pipe 4 is fixedly connected with a conveying pipe 18, the right end of the conveying pipe 18 is communicated with the distillation bottle 3, and the left end of the conveying pipe 18 is communicated with the right end of a three-way valve 19, the bottom of the three-way valve 19 is communicated with the top end of a feeding pipe 20, the bottom end of the feeding pipe 20 penetrates through the top of the material bottle 21 and is connected with the inside of the material bottle 21, and the bottom of the material bottle 21 is fixedly connected with the top of the bottom plate 1.
Specifically, in order to facilitate synchronous lifting of the two groups of lifting plates 12, the two thread sections arranged on the front side and the rear side of the outer surface of the threaded rod 16 are opposite in direction, and the two groups of sliding blocks 15 are symmetrical about the vertical central axis of the bottom plate 1, so that when a worker rotates the threaded rod 16, the two groups of sliding blocks 15 move oppositely or reversely.
Specifically, in order to avoid excessively leading to the collision of retort 3 and water bath 2 because of communicating pipe 4 removes, the left and right sides of a fixed section of thick bamboo 5 all is provided with a set of spacing ring 22, and the inner wall of spacing ring 22 is connected with the fixed surface of communicating pipe 4 for when one side spacing ring 22 and a fixed section of thick bamboo 5 contact, communicating pipe 4 stops to this side and slides.
Specifically, in order to facilitate the lifting plate 12 to drive the cooling bottle 7 to lift, the distance between the opposite sides of the two sets of lifting plates 12 is smaller than the width of the safety bottle 9, and the maximum distance of the lifting plate 12 to descend is smaller than the distance from the bottom of the lifting plate to the upper surface of the communication pipe 4, so that the lifting plate 12 is in a non-contact relationship with the safety bottle 9 or the communication pipe 4 when moving.
Specifically, in order to reduce the probability of the bumping phenomenon during distillation, the inner wall fixedly connected with multi-group filter screen of the communicating pipe 4, the right side of the filter screen is uniformly welded with protrusions, the inner wall of the filter screen is fixedly connected with the outer surface of the conveying pipe 18, and the filter screen and the protrusions on the filter screen damage bubbles generated during distillation.
Specifically, in order to improve the fixing effect of the supporting plate 6, the bottoms of the outer surfaces of the two groups of supporting plates 6 are fixedly connected with the positioning plate, and the bottoms of the positioning plates are fixedly connected with the top of the bottom plate 1, so that the positioning plate assists in supporting the supporting plate 6 to bear force, and the stress stability of the supporting plate 6 is improved.
The working principle is as follows: when the solvent recovery work is carried out, the distillation flask 3 is placed into the water bath 2, the water in the water bath 2 is heated, under the action of hot water, the solution in the distillation flask 3 is gasified and enters the cooling flask 7 through the communicating pipe 4, is liquefied and enters the collecting flask 8 under the action of the temperature reduction of the condenser 10, and when the solution in the distillation flask 3 is low, the three-way valve 19 is slowly rotated so that the solution in the material bottle 21 passes through the feeding pipe 20 and the conveying pipe 18 to enter the distillation flask 3 under the action of air pressure, so that the device can continuously carry out the distillation work.
In conclusion, the rotary evaporator for solvent recovery enables a feeding pipe 20 to suck out a solution in a material bottle 21 and introduce the solution into a distillation flask 3 by arranging a conveying pipe 18 and a three-way valve 19 when the distillation flask 3 carries out distillation work so that a device continuously carries out distillation work as the solution in the distillation flask 3 is gasified and enters a communicating pipe 4, the filter screen and the bulge are welded on the filter screen so that bubbles generated during distillation are destroyed by the filter screen and the bulge, the possibility of bumping phenomenon in the device is reduced, two sets of sliding blocks 15 are driven to move by arranging a threaded rod 16 so that the sliding blocks 15 drive a lifting plate 12 to ascend or descend by a rotating rod 14, the position of a cooling bottle 7 is convenient to adjust, the practicability of the device is improved, and the safety bottle 9 and the air pressure in the device are reduced when a worker is in operation mistake, avoid the solution in the retort 3 to pass through during conveyer pipe 18 refluence gets into storage bottle 21, opposite direction through setting up two sections screw threads around on the threaded rod 16, when making the rotating threaded rod 16, two sets of sliding blocks 15 are in opposite directions or motion dorsad, so that two sets of lifter plates 12 go up and down in step, avoid solid fixed ring 11 to take place the slope because of the atress is uneven, the security of device has been improved, through setting up three-way valve 19, make the staff can slowly rotate three-way valve 19 and adjust in order to the speed of conveyer pipe 18 transport solution, the practicality of device has been improved.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A rotary evaporator for solvent recovery, comprising a base plate (1), characterized in that: the right side fixedly connected with water bath (2) at bottom plate (1) top, the top of water bath (2) is provided with retort (3), the left side fixedly connected with communicating pipe (4) of retort (3), the surface of communicating pipe (4) and the inner wall sliding connection of solid fixed cylinder (5), both sides rotate with one side of a set of backup pad (6) respectively around solid fixed cylinder (5), the bottom of backup pad (6) and the top fixed connection of bottom plate (1), the left end of communicating pipe (4) passes cooling bottle (7) and is located the left side of cooling bottle (7), the bottom of cooling bottle (7) and the top fixed connection of receiving flask (8), leave the space between the bottom of receiving flask (8) and the top of bottom plate (1), the top inner wall fixedly connected with condenser (10) of cooling bottle (7), the right side of condenser (10) is provided with safety bottle (9), the right side of cooling bottle (7) is passed through the input intercommunication of connecting pipe and safety bottle (9), the outer fixed surface of cooling bottle (7) is connected with solid fixed ring (11), the right side fixedly connected with two sets of lifter plates (12) of solid fixed ring (11), the guiding hole has been seted up at the top of lifter plate (12), the inner wall of guiding hole and the surface sliding connection of guide post (13), the bottom of guide post (13) and the top fixed connection of backup pad (6), the bottom of lifter plate (12) is rotated with the top of dwang (14) and is connected, the bottom of dwang (14) is rotated and is connected with sliding block (15), the bottom of sliding block (15) and the top sliding connection of bottom plate (1), the rear side of sliding block (15) is opened and is equipped with the screw hole, the inner wall of screw hole and the surface threaded connection of threaded rod (16), the front end of threaded rod (16) is connected with the rear side rotation of fixed block (17), the bottom of fixed block (17) and the top fixed connection of bottom plate (1), the inner wall fixedly connected with conveyer pipe (18) of communicating pipe (4), the right-hand member and retort (3) intercommunication of conveyer pipe (18), the left end of conveyer pipe (18) and the right-hand member intercommunication of three-way valve (19), the bottom of three-way valve (19) and the top of inlet pipe (20) intercommunication, the bottom of inlet pipe (20) pass the top of storage bottle (21) and with the inside of storage bottle (21), the bottom of storage bottle (21) and the top fixed connection of bottom plate (1).
2. The rotary evaporator for solvent recovery according to claim 1, wherein: two sections of screw thread opposite direction that set up on the front and back both sides of threaded rod (16) surface, two sets of sliding blocks (15) are symmetrical about the perpendicular central axis of bottom plate (1).
3. The rotary evaporator for solvent recovery according to claim 1, wherein: the left side and the right side of the fixed cylinder (5) are both provided with a group of limiting rings (22), and the inner walls of the limiting rings (22) are fixedly connected with the outer surface of the communicating pipe (4).
4. The rotary evaporator for solvent recovery according to claim 1, wherein: the distance between the opposite sides of the two groups of lifting plates (12) is less than the width of the safety bottle (9), and the maximum distance of the lifting plates (12) descending is less than the distance from the bottoms of the lifting plates to the upper surface of the communicating pipe (4).
5. The rotary evaporator for solvent recovery according to claim 1, wherein: the inner wall fixedly connected with multiunit filter screen of communicating pipe (4), the even welding in right side of filter screen has the arch, the inner wall of filter screen and the outer fixed surface of conveyer pipe (18) are connected.
6. The rotary evaporator for solvent recovery according to claim 1, wherein: the bottoms of the outer surfaces of the two groups of supporting plates (6) are fixedly connected with the positioning plates, and the bottoms of the positioning plates are fixedly connected with the top of the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120111714.5U CN214680093U (en) | 2021-01-15 | 2021-01-15 | Rotary evaporator for solvent recovery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120111714.5U CN214680093U (en) | 2021-01-15 | 2021-01-15 | Rotary evaporator for solvent recovery |
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| CN214680093U true CN214680093U (en) | 2021-11-12 |
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| CN202120111714.5U Active CN214680093U (en) | 2021-01-15 | 2021-01-15 | Rotary evaporator for solvent recovery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115090345A (en) * | 2022-05-23 | 2022-09-23 | 刘全生 | Universal distillation instrument based on pressure dynamic monitoring and automatic alarm |
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2021
- 2021-01-15 CN CN202120111714.5U patent/CN214680093U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115090345A (en) * | 2022-05-23 | 2022-09-23 | 刘全生 | Universal distillation instrument based on pressure dynamic monitoring and automatic alarm |
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