Condensing device for rotary evaporator

Abstract

The utility model relates to the technical field of condensation of rotary evaporators, and discloses a condensing device for a rotary evaporator, which comprises a rotator, a connecting vessel inserted at the lower end of the rotator, an anti-reflux bottle inserted at the lower end of the connecting vessel, an evaporating bottle inserted at the lower end of the anti-reflux bottle, a four-way pipe inserted at the upper end of the rotator, and an iron ring sleeved at the lower end of the four-way pipe. The iron ring and the four-way pipe are jointly connected with two bolts in an inserted mode, the lower end of each bolt is in threaded connection with a nut, a receiving bottle is jointly connected between the two bolts and the nuts in a sleeved mode, a condensation ball is connected to the upper end of the four-way pipe in an inserted mode, and a condensation pipe formed by stacking a plurality of U-shaped pipes is fixedly installed in the condensation ball. The condensation ball is arranged to reduce the height of the condensation device, so that the vacuum suction efficiency is higher, then the U-shaped condensation pipe is arranged to increase the contact area with steam, so that the steam is effectively condensed, and then the tightly connected receiving bottle is arranged below the condensation pipe, so that the stability of internal air pressure is ensured, the condensation of a separated solution is more facilitated, and the use of a user is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary evaporator condensation, in particular to a condensation device for a rotary evaporator. Background Art

[0002] The rotary evaporator separates liquids with different boiling points by rotating the vessel and bathing the bottom of the vessel at different temperatures, and then uses hollow vacuum to make the evaporated liquid enter the condensation device for condensation to achieve liquid separation. However, during use, the rotary evaporator has problems such as the condensation device being too long, resulting in poor vacuum pressure relief effect, and the condensation collection part being loosely connected. Therefore, a condensation device for a rotary evaporator is proposed. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the deficiencies in the prior art, the utility model provides a condensing device for a rotary evaporator, which has the advantages of good condensation and collection effect, and solves the problems of poor vacuum extraction and pressure reduction effect caused by the condensing device being too long and the loose connection of the condensation and collection part.

[0005] (II) Technical solution

[0006] In order to achieve the above-mentioned purpose of good condensation collection effect, the utility model provides the following technical solutions:

[0007] A condensing device for a rotary evaporator comprises a rotator, a connecting vessel is plugged into the lower end of the rotator, a reflux prevention bottle is plugged into the lower end of the connecting vessel, an evaporation bottle is plugged into the lower end of the reflux prevention bottle, a four-way pipe is plugged into the upper end of the rotator, an iron ring is sleeved on the lower end of the four-way pipe, two bolts are commonly inserted into the iron ring and the four-way pipe, each of the bolts is threadedly connected to a nut at the lower end, a common receiving bottle is sleeved between the two bolts and the nuts, a condensation ball is plugged into the upper end of the four-way pipe, and a condensation tube is fixedly installed inside the condensation ball.

[0008] The condenser tube is a geometric structure of a plurality of U-shaped tubes stacked together and is arranged inside the condenser ball.

[0009] As a preferred technical solution of the utility model, the connecting vessel, anti-reflux bottle, evaporating bottle, four-way tube, receiving bottle, condensation ball and condensation tube are all glass products, the bolts, nuts and iron rings are all metal products, and the outer surfaces are coated with anti-oxidation and corrosion materials.

[0010] As a preferred technical solution of the utility model, the open ends of all glass products are provided with a frosted glass surface layer, and adjacent glass products are tightly connected by the frosted glass surface layer to ensure air tightness. The lower end of the rotator drives the connecting vessel, the anti-reflux bottle and the evaporating bottle to rotate at a uniform speed, and the lower end of the evaporating bottle should be immersed in the bath pot.

[0011] As a preferred technical solution of the utility model, the upper connecting part of the rotator does not rotate, and through holes are provided at both ends of the rotator connected to the glass products, so that all glass products except the condenser are in one air chamber.

[0012] As a preferred technical solution of the utility model, the four-way tube is a tubular glass device with four openings, the leftmost end of which is a stopper and a piston is installed inside.

[0013] As a preferred technical solution of the utility model, a washer is installed on the side of the iron ring close to the glass product, and anti-slip grooves are provided on the surface of the nut.

[0014] As a preferred technical solution of the utility model, the lower end of the condenser tube is a water inlet, and the upper end is a water outlet, and the water inlet and the water outlet are both at the outer end of the condenser ball.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a condensing device for a rotary evaporator, which has the following beneficial effects:

[0017] The condensing device for the rotary evaporator greatly reduces the geometric space by arranging the traditional spiral condensing tube into geometrically superimposed U-shaped condensing tubes, thereby achieving better vacuum pressure extraction effect, larger condensation surface area and better condensation effect.

[0018] The condensing device for the rotary evaporator is provided with an iron ring, bolts and nuts, so that the receiving bottle is tightly connected with the lower end of the four-way pipe without air leakage, thereby ensuring the condensation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a vertical structural cross-sectional view of the utility model;

[0021] Figure 3 This is a schematic diagram of the condenser structure in the utility model;

[0022] Figure 4 This is a structural diagram of the condensation collection and fixing device in the utility model.

[0023] In the figure: 1. rotator; 2. connecting vessel; 3. anti-reflux bottle; 4. evaporating bottle; 5. four-way pipe; 6. iron ring; 7. bolt; 8. nut; 9. receiving bottle; 10. condensation ball; 11. condensation tube. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] See also Figure 1-4A condensing device for a rotary evaporator comprises a rotator 1, wherein the upper connecting part of the rotator 1 does not rotate, and the lower connecting part rotates. The purpose of the lower rotation is to make the liquid inside the evaporation bottle 4 fully heated and evenly heated to make its evaporation effect better. Through holes are provided at both ends of the rotator 1 connected to the glass product. A connecting vessel 2 is plugged into the lower end of the rotator 1, and a reflux prevention bottle 3 is plugged into the lower end of the connecting vessel 2. When the steam moves from bottom to top in the device, some steam will cool down faster, or the device is not preheated, resulting in the cooling and reflux of the steam. A spherical reflux prevention bottle 3 is provided to prevent the condensed liquid from refluxing and contaminating the mixed solution in the evaporation bottle 4. The lower end of the reflux prevention bottle 3 is plugged into the evaporation bottle 4, and the lower end of the evaporation bottle 4 It should be immersed in a bath pot, the temperature in the bath pot should be between the two solutions with different boiling points of the evaporating flask 4, so that the two solutions are separated, the lower end of the rotator 1 drives the connecting vessel 2, the anti-reflux flask 3 and the evaporating flask 4 to rotate at a uniform speed, and the upper end of the rotator 1 is plugged with a four-way pipe 5, the four-way pipe 5 is a tubular glassware with four openings, the leftmost end is a plug nozzle, and a piston is installed inside. The piston and the plug nozzle can be used to exhaust the device at any time to ensure the stability of the air pressure in the device, which can effectively improve the condensation efficiency, the lower end of the four-way pipe 5 is sleeved with an iron ring 6, and the side of the iron ring 6 close to the glass product is installed with a gasket, the function of the gasket is to protect the connected glass product and prevent it from breaking, the iron ring 6 and the four-way pipe 5 are jointly plugged with There are two bolts 7, each of which is threadedly connected with a nut 8 at the lower end. The surface of the nut 8 is provided with anti-skid patterns, which are convenient for users to loosen and tighten the nut 8, and the receiving bottle 9 can be effectively disassembled and assembled, so that the liquid in the collecting device can be easily taken out. A common receiving bottle 9 is sleeved between the two bolts 7 and the nuts 8. The two groups of bolts 7 and nuts 8 are threadedly connected to each other, and the fixing ability is stronger, making the fixing tighter, preventing the vacuum pressure reduction effect due to leakage. A condensation ball 10 is inserted at the upper end of the four-way pipe 5. The spherical structure makes the condensation device shorter, which is more effective for vacuum pressure reduction. A condensation tube 11 is fixedly installed inside the condensation ball 10, and the condensation tube 11 is a plurality of U-shaped The tubular stacked geometric structure has a water inlet at the lower end and a water outlet at the upper end. Both the water inlet and the water outlet are at the outer end of the condensation ball 10. The reason why the lower end is the water inlet is to allow the steam to contact the incoming cold water first, and the condensation effect is better. The U-shaped geometric structure is inside the condensation ball 10. The connecting vessel 2, the anti-reflux bottle 3, the evaporation bottle 4, the four-way pipe 5, the receiving bottle 9, the condensation ball 10 and the condensation tube 11 are all glass products. All glass products except the condensation tube 11 are in an air chamber. The bolts 7, nuts 8 and iron rings 6 are all metal products, and the outer surfaces are coated with anti-oxidation and corrosion materials. The open ends of all glass products are provided with a frosted glass surface layer, and adjacent glass products are tightly connected by the frosted glass surface layer to ensure air tightness.

[0028] In summary, the condensing device for the rotary evaporator greatly reduces the geometric space by arranging the traditional spiral condensing tube 11 in the form of geometrically superimposed U-shaped condensing tubes 11, thereby achieving better vacuum pressure extraction effect, larger condensation surface area, and better condensation effect.

[0029] The condensing device for the rotary evaporator is provided with an iron ring 6, a bolt 7 and a nut 8, so that the receiving bottle 9 is tightly connected with the lower end of the four-way pipe 5 without air leakage, thereby ensuring the condensation effect.

[0030] Working principle: The evaporating flask 4 is heated evenly by the rotation of the rotator 1 and the constant temperature of the bath pot below, and then the separated solution becomes steam and enters the anti-reflux flask 3 and the condensation device part behind it through vacuum suction. Then the steam passes through the condenser 11, and the steam is cooled and liquefied. The liquefied product drips into the receiving bottle 9 below through the condenser 11 to complete the separation between different solutions.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A condensing device for a rotary evaporator, comprising a rotator, characterized in that: The lower end of the rotator is plugged with a connector vessel, the lower end of the connector vessel is plugged with an anti-reflux bottle, the lower end of the anti-reflux bottle is plugged with an evaporation bottle, the upper end of the rotator is plugged with a four-way pipe, the lower end of the four-way pipe is sleeved with an iron ring, the iron ring and the four-way pipe are jointly plugged with two bolts, each of the lower ends of the bolts is threadedly connected with a nut, a common receiving bottle is sleeved between the two bolts and the nuts, the upper end of the four-way pipe is plugged with a condensation ball, and a condensation tube is fixedly installed inside the condensation ball; The condenser tube is a geometric structure of a plurality of U-shaped tubes stacked together and is arranged inside the condenser ball.

2. A condensing device for a rotary evaporator according to claim 1, characterized in that: The connecting vessel, anti-reflux bottle, evaporating bottle, four-way tube, receiving bottle, condenser ball and condenser tube are all made of glass, and the bolts, nuts and iron rings are all made of metal, and the outer surfaces are coated with anti-oxidation and anti-corrosion materials.

3. A condensing device for a rotary evaporator according to claim 2, characterized in that: The open ends of all glass products are provided with a frosted glass surface layer, and adjacent glass products are tightly connected by the frosted glass surface layer to ensure air tightness. The lower end of the rotator drives the connecting vessel, the anti-reflux bottle and the evaporating bottle to rotate at a uniform speed, and the lower end of the evaporating bottle should be immersed in the bath pot.

4. A condensing device for a rotary evaporator according to claim 1, characterized in that: The connecting part at the upper end of the rotator does not rotate, and through holes are provided at both ends of the rotator connected to the glass products. All the glass products except the condenser are in one air chamber.

5. A condensing device for a rotary evaporator according to claim 1, characterized in that: The four-way tube is a tubular glass device with four openings, a stopper nozzle at the leftmost end, and a piston installed inside.

6. A condensing device for a rotary evaporator according to claim 1, characterized in that: A washer is installed on one side of the iron ring close to the glass product, and anti-slip grooves are provided on the surface of the nut.

7. A condensing device for a rotary evaporator according to claim 1, characterized in that: The lower end of the condensing tube is a water inlet, and the upper end is a water outlet. The water inlet and the water outlet are both located at the outer end of the condensing ball.

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