CN216023224U - Prevent rotatory evaporimeter of suck-back - Google Patents
Prevent rotatory evaporimeter of suck-back Download PDFInfo
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- CN216023224U CN216023224U CN202121905661.0U CN202121905661U CN216023224U CN 216023224 U CN216023224 U CN 216023224U CN 202121905661 U CN202121905661 U CN 202121905661U CN 216023224 U CN216023224 U CN 216023224U
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- rotary evaporator
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- evaporator body
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Abstract
The utility model provides a suck-back-preventing rotary evaporator, which belongs to the technical field of glass reaction kettles and comprises a rotary evaporator body, wherein a rotary bottle which is driven to rotate by a rotary motor is arranged on the rotary evaporator body, the rotary motor also drives a condenser, the lower end of the condenser is connected with a collecting bottle by a clamp, the lower end of the rotary evaporator body is connected with a base, a heating pot for heating the rotary bottle is arranged on the base, and the rotary evaporator body is connected with a suck-back-preventing device; the suck-back prevention device comprises a connecting pipe connected with the rotary evaporator body, an air exhaust assembly connected with the connecting pipe, a safety bottle connected with the air exhaust assembly, and a vacuum pump connected with the safety bottle, and has the advantages that suck-back can be prevented when the machine is stopped carelessly, and the suck-back can be automatically removed.
Description
Technical Field
The utility model relates to the technical field of glass reaction kettles, in particular to a suck-back prevention rotary evaporator.
Background
The rotary evaporator is mainly used in the industries of chemical industry, medicine, food, biology and the like at present, the rotary evaporator separates liquid mixtures and solutions by utilizing different boiling points of all components, basic components of the rotary evaporator are a rotary evaporator bottle, a snakelike condenser pipe, a circulating water vacuum pump, a receiving bottle and a rotary motor, the internal vacuum of the rotary evaporator is realized by pumping air to the rotary evaporator through a circulating water pump, and the method has certain potential safety hazard, namely the water pump stops working carelessly due to power failure, mechanical failure or manual operation error in the process of pumping vacuum, the sewage in the water pump can be rapidly sucked into the rotary evaporator due to the vacuum in the rotary evaporator, and concentrated products can be polluted or even explode due to the fact that the rotary evaporator does not have any suck-back prevention device;
there is no suck-back preventing device between the rotary evaporator and the vacuum water pump in the prior art, and when the water pump is shut down carelessly, sewage can not be sucked back directly to enter the rotary evaporator to pollute products.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a suck-back prevention rotary evaporator, which can not only prevent suck-back when the evaporator is shut down carelessly, but also automatically remove suck-back materials.
In order to solve the technical problem, the utility model provides a suck-back prevention rotary evaporator which comprises a rotary evaporator body, wherein a rotary bottle which is driven to rotate by a rotary motor is arranged on the rotary evaporator body, the rotary motor also drives a condenser, the lower end of the condenser is connected with a collecting bottle by a clamp, the lower end of the rotary evaporator body is connected with a base, a heating pot for heating the rotary bottle is arranged on the base, and the rotary evaporator body is connected with a suck-back prevention device;
the anti-suck-back device comprises a connecting pipe connected with the rotary evaporator body, an air exhaust assembly connected with the connecting pipe, a safety bottle connected with the air exhaust assembly, and a vacuum pump connected with the safety bottle.
Further, the air exhaust component comprises a connector, a suction pipe, a pipeline and a sealing ball, wherein the connector is installed on the safety bottle and connected with the connecting pipe, the suction pipe is connected with the connector, the pipeline is connected with the suction pipe, the grid plate is arranged in the pipeline, and the sealing ball is arranged on the grid plate.
Further, the diameter of the sealing ball is larger than the inner diameter of the suction pipe.
Further, the sealing ball is arranged in the middle of the suction pipe and the grid plate.
Furthermore, the inside of safety bottle is provided with out water mechanism, go out water mechanism including the level set up the support frame in safety bottle, run through support frame and the vertical hollow structure's that sets up adapter sleeve, and between the adapter sleeve sliding connection's connecting rod, the shutoff piece of setting at the connecting rod lower extreme and the floater of setting on the connecting rod.
Further, the lower extreme of safety bottle is provided with the liquid outlet, be provided with the shutoff piece directly over the liquid outlet.
Furthermore, the support frame is of a rectangular structure and is fixedly connected with the inner side surface of the safety bottle.
Furthermore, the upper opening and the lower opening of the connecting sleeve are both in a horn mouth shape, and the inner diameter of the connecting sleeve is larger than the outer diameter of the connecting rod.
The technical scheme of the utility model has the following beneficial effects:
1. suck-back can appear when preventing carelessly shutting down, through setting up safe bottle, can enter into safe bottle after suck-back when the careless shut down appears, and can not enter into rotatory evaporimeter, in addition, through setting up the ball sealer, when the suck-back appears, can shutoff connecting pipe, play sealed effect.
2. Can get rid of the material of suck-back is automatic, when liquid is more in the safety bottle, can drive the floater and rise, the floater that rises can drive the shutoff piece and rise, and at this moment, the liquid outlet is opened, and liquid flows.
3. The product is applied to a rotary evaporator, but not limited to the rotary evaporator, and can be used on a reaction kettle of a vacuum pump, such as a single-layer or double-layer reaction kettle, a distillation crystallization purification reaction and other equipment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the safety bottle of FIG. 1;
in the figure: 1. rotating the evaporator body; 2. heating the pan; 3. rotating the bottle; 4. a condenser; 5. a collection bottle; 6. a connecting pipe; 7. an air extraction assembly; 71. a connecting port; 72. a straw; 73. a sealing ball; 74. a grid plate; 8. a safety bottle; 9. a water outlet mechanism; 91. a plugging block; 92. a connecting rod; 93. connecting sleeves; 94. a support frame; 95. a floating ball; 10. a liquid outlet; 11. a vacuum pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1-2 of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model, are within the scope of the utility model.
As shown in fig. 1-2: the anti-suck-back rotary evaporator comprises a rotary evaporator body 1, wherein a rotary bottle 3 driven to rotate by a rotary motor is arranged on the rotary evaporator body 1, the rotary motor also drives a condenser 4, the lower end of the condenser 4 is connected with a collecting bottle 5 through a clamp, the lower end of the rotary evaporator body 1 is connected with a base, a heating pot 2 used for heating the rotary bottle 3 is arranged on the base, and the rotary evaporator body 1 is connected with an anti-suck-back device; the anti-suck-back device comprises a connecting pipe 6 connected with the rotary evaporator body 1, an air exhaust component 7 connected with the connecting pipe 6, a safety bottle 8 connected with the air exhaust component 7, and a vacuum pump 11 connected with the safety bottle 8.
Particularly, be provided with rotatory bottle 3 on the rotary evaporator body 1, condenser 4, receiving flask 5, parts such as heating pot 2, vacuum pump 11 evacuation is passed through to the inside of condenser 4, and vacuum pump 11 passes through connecting pipe 6 lug connection condenser 4 among the prior art, causes the suck-back easily, in this technique, adds safety bottle 8 between connecting pipe 6 and vacuum pump 11, and the suck-back directly enters into safety bottle 8.
In one embodiment of the present invention, as shown in figures 1-2,
further, the air suction assembly 7 comprises a connection port 71 which is installed on the safety bottle 8 and connected with the connection pipe 6, a suction pipe 72 which is connected with the connection port 71, a pipeline which is connected with the suction pipe 72 and is internally provided with a grid plate 74, and a sealing ball 73 which is arranged on the grid plate 74.
In this embodiment, the air pumping component 7 is also used for preventing back suction, the air pumping component 7 includes a connection port 71, the connection port 71 is a pipeline at one end, and is fixed on the safety bottle 8, the external connection pipe 6 and the internal connection suction pipe 72 are connected, the diameter of the suction pipe 72 is smaller than that of the connection port 71, the suction pipe 72 is also a section of pipeline, a grid plate 74 is arranged in the pipeline, a sealing ball 73 is arranged on the grid plate 74, the connection port 71, the suction pipe 72 and the pipeline are connected through threads, and the integrated forming manufacturing is also possible.
In one embodiment of the present invention, as shown in figures 1-2,
further, the sealing ball 73 has a diameter larger than the inner diameter of the suction pipe 72.
In this embodiment, the diameter of the sealing ball 73 is larger than the inner diameter of the suction pipe 72, and when suck back occurs, the sealing ball 73 rises in a short time to block the suction pipe 72, thereby realizing blocking.
In one embodiment of the present invention, as shown in figures 1-2,
further, the sealing ball 73 is disposed at a position intermediate the suction pipe 72 and the mesh plate 74.
In this embodiment, the sealing ball 73 is a sphere, and a space for the sealing ball 73 to move is left between the lower port of the suction pipe 72 and the grid plate 74.
In one embodiment of the present invention, as shown in figures 1-2,
further, the inside of safety bottle 8 is provided with water outlet mechanism 9, water outlet mechanism 9 includes that the level sets up support frame 94 in safety bottle 8, runs through support frame 94 and the vertical hollow structure's that sets up adapter sleeve 93, and adapter sleeve 93 between sliding connection's connecting rod 92, the shutoff piece 91 of setting at the connecting rod 92 lower extreme and the floater 95 of setting in the connecting rod 92 upper end.
The automatic structure of getting rid of liquid in safety bottle 8 has been described in this embodiment, through set up support frame 94 in safety bottle 8, play the supporting role, drill on support frame 94, downthehole adapter sleeve 93 that is provided with, fixed setting between adapter sleeve 93 and the support frame 94, it has connecting rod 92 to alternate in adapter sleeve 93, connecting rod 92 can reciprocate in adapter sleeve 93, be provided with floater 95 in the upper end of connecting rod 92, lower extreme at connecting rod 92 is provided with shutoff piece 91, when the liquid in safety bottle 8 is more, floater 95 drives shutoff piece 91 and breaks away from liquid outlet 10, at this moment, liquid flows out.
In one embodiment of the present invention, as shown in figures 1-2,
further, a liquid outlet 10 is arranged at the lower end of the safety bottle 8, and a blocking block 91 is arranged right above the liquid outlet 10.
In this embodiment, the lower extreme of safety bottle 8 is provided with the liquid outlet 10 of automatic outflow liquid, and shutoff piece 91 sets up directly over liquid outlet 10, and the external diameter of shutoff piece 91 is identical with the internal diameter of liquid outlet 10, can plug up liquid outlet 10.
In one embodiment of the present invention, as shown in figures 1-2,
further, the support frame 94 is a rectangular structure and is fixedly connected with the inner side surface of the safety bottle 8.
In this embodiment, the support frame 94 is preferably an elongated structure, a rectangular plate, and is fixed to the inner side surface of the safety bottle 8 by means of bolts or adhesive.
In one embodiment of the present invention, as shown in figures 1-2,
further, the upper and lower openings of the connecting sleeve 93 are both in a bell mouth shape, and the inner diameter of the connecting sleeve 93 is larger than the outer diameter of the connecting rod 92.
In this embodiment, in order to facilitate the ascending and descending of the connecting rod 92, the inner diameter of the connecting sleeve 93 is larger than the outer diameter of the connecting rod 92, and the upper opening and the lower opening of the connecting sleeve 93 are provided with a bell mouth shape, and the material is rubber, so that the buffering effect can be achieved.
The working method (or working principle) of the utility model is as follows:
when the technology is used, the installation position is between the vacuum pump and the connecting pipe 6, after the anti-suck-back device is installed, the anti-suck-back effect can be achieved after the machine is shut down carelessly, the air exhaust assembly 7 is arranged between the safety bottle 8 and the connecting pipe 6, the sealing ball 73 is arranged in the air exhaust assembly 7, and when suck-back occurs, the sealing ball 73 can block the suction pipe 72; in addition, when the liquid in the safety bottle 8 is more, do not need manual cleaning, drive the shutoff piece 91 through the floater 95 and rise, can open the liquid outlet 10, liquid is automatic to flow out.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (1)
1. The utility model provides a prevent rotary evaporator of suck-back, it includes rotary evaporator body (1), be provided with on rotary evaporator body (1) and drive rotatory bottle (3) through the rotating electrical machines, the rotating electrical machines has still driven condenser (4), the lower extreme of condenser (4) is connected with receiving flask (5) through the clip, the lower extreme of rotary evaporator body (1) is connected with the base, and is provided with heating pot (2) that are used for heating rotatory bottle (3) on the base, its characterized in that: the rotary evaporator body (1) is connected with an anti-suck-back device; the anti-suck-back device comprises a connecting pipe (6) connected with the rotary evaporator body (1), an air pumping assembly (7) connected with the connecting pipe (6), a safety bottle (8) connected with the air pumping assembly (7), and a vacuum pump (11) connected with the safety bottle (8), wherein the air pumping assembly (7) comprises a connecting port (71) which is installed on the safety bottle (8) and connected with the connecting pipe (6), a suction pipe (72) connected with the connecting port (71), a pipeline which is connected with the suction pipe (72) and is internally provided with a grid plate (74), and a sealing ball (73) arranged on the grid plate (74), the diameter of the sealing ball (73) is larger than the inner diameter of the suction pipe (72), the sealing ball (73) is arranged at the middle position of the suction pipe (72) and the grid plate (74), a water outlet mechanism (9) is arranged inside the safety bottle (8), and the water outlet mechanism (9) comprises a supporting frame (94) horizontally arranged in the safety bottle (8), Run through support frame (94) and the hollow structure's of vertical setting adapter sleeve (93), and adapter sleeve (93) between sliding connection's connecting rod (92), set up plugging block (91) at connecting rod (92) lower extreme and set up floater (95) in connecting rod (92) upper end, the lower extreme of safety bottle (8) is provided with liquid outlet (10), be provided with plugging block (91) directly over liquid outlet (10), support frame (94) are the rectangle structure, and fixed connection between the medial surface of safety bottle (8), the upper and lower opening of adapter sleeve (93) is the horn mouth shape, and the internal diameter of adapter sleeve (93) is greater than the external diameter of connecting rod (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121905661.0U CN216023224U (en) | 2021-08-12 | 2021-08-12 | Prevent rotatory evaporimeter of suck-back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121905661.0U CN216023224U (en) | 2021-08-12 | 2021-08-12 | Prevent rotatory evaporimeter of suck-back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216023224U true CN216023224U (en) | 2022-03-15 |
Family
ID=80620170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121905661.0U Active CN216023224U (en) | 2021-08-12 | 2021-08-12 | Prevent rotatory evaporimeter of suck-back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216023224U (en) |
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2021
- 2021-08-12 CN CN202121905661.0U patent/CN216023224U/en active Active
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