CN210434008U

CN210434008U - Rotary evaporator

Info

Publication number: CN210434008U
Application number: CN201920611550.5U
Authority: CN
Inventors: 聂伟文; 税新凤
Original assignee: Anhui Xiulang New Material Technology Co ltd
Current assignee: Anhui Xiulang New Material Technology Co ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-05-01
Anticipated expiration: 2029-04-29

Abstract

The utility model discloses a rotary evaporator, the test platform comprises a support, equal fixed mounting has the base on the outer wall all around of frame bottom, and the base is cylindrically, the top axle center department of frame has the support column through bolt fixed mounting, open one side of support column has the rectangular channel, and the inside swing joint of rectangular channel has the support arm, the top fixed mounting of support arm has the water bath, the inlayer of water bath is the zone of heating, and the skin of water bath is the insulating layer, be provided with control panel on the front outer wall of support column. The utility model discloses can effectually play the effect of buffering to the steam that the sudden boiling is bumping, promote the life of equipment for rotatory bottle can reach the even effect of preventing scalding the hand and heating in the heating process, has promoted the condensation efficiency to steam, can be timely effectual carries out the condensation to vapor, thereby has avoided the inhomogeneous phenomenon of heating that the water bath pot is heated inequality and appears.

Description

Rotary evaporator

Technical Field

The utility model relates to a chemical industry equipment technical field especially relates to a rotary evaporator.

Background

The rotary evaporator is mainly used for concentration, crystallization, drying, separation and solvent recovery in the industries of medicine, chemical engineering, biological pharmacy and the like, and has the principle that a rotary bottle is heated at constant temperature under the vacuum condition, the rotary bottle rotates at constant speed, materials form a large-area film on the wall of the bottle, the materials are evaporated efficiently, solvent steam is cooled by a high-efficiency glass condenser and recovered in a collecting bottle, the evaporation efficiency is greatly improved, and the rotary evaporator is particularly suitable for concentration and purification of biological products which are easy to decompose and denaturize at high temperature.

The existing rotary evaporator has many defects, such as uneven heating, incapability of well avoiding bubble generation in the rotating process, easiness in damaging a condenser by bumping steam without buffering, and incapability of well adjusting the height of a distillation flask according to requirements. Therefore, it is desirable to design a rotary evaporator to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a rotary evaporator.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rotary evaporator comprises a base, wherein the base is fixedly installed on the outer wall of the periphery of the bottom of the base and is cylindrical, a support column is fixedly installed at the axis of the top of the base through bolts, a rectangular groove is formed in one side of the support column, a support arm is movably connected to the inside of the rectangular groove, a water bath pot is fixedly installed at the top of the support arm, the inner layer of the water bath pot is a heating layer, the outer layer of the water bath pot is a heat insulation layer, a control panel is arranged on the outer wall of the front side of the support column, a first fixing sleeve is fixedly installed on the outer wall of the other side face, opposite to the rectangular groove, of the support column, a collecting bottle is clamped inside the first fixing sleeve, a liquid discharge port is formed in the outer wall of the bottom of the collecting bottle, a fixing shaft seat and a support plate are arranged at the top of the support column, the support plate and the fixing, fixed axle bed keeps away from the rotatory bottle of opposite side outer wall fixedly connected with of cushion flask, and the suspension of rotatory bottle the latter half in the inside of water-bath, the top fixed mounting of backup pad has the bracing piece, and is provided with the vacuum gauge subassembly on the outer wall of bracing piece top, the bracing piece is close to and is provided with the fixed cover of second on the top outer wall of vacuum gauge subassembly, and pegs graft in the inside of the fixed cover of second and have main condenser, connecting pipe fixedly connected with secondary condenser is passed through to main condenser's bottom, connecting pipe and receiving flask swing joint are passed through to secondary condenser's bottom, and are provided with the vacuum switch valve on the pipeline outer wall that receiving flask and secondary.

Furthermore, a bearing is arranged at the axis of the fixed shaft seat, a gear ring is arranged on the outer wall of the bearing, the inside of the bearing is sleeved on the bottleneck of the rotary bottle, and a sealing ring is arranged on the outer wall of the rotary bottle close to the fixed shaft seat.

Furthermore, the vacuum meter component comprises a shaft sleeve fixed outside the supporting rod, pressure measuring holes are arranged on the shaft sleeve supporting arm at equal intervals and distributed in a hexagonal mode, and a vacuum meter is fixedly connected to the top ends of the pressure measuring holes.

Furthermore, a bidirectional motor is fixedly mounted at the top end of the outer wall inside the rectangular groove, the output end of the bottom of the bidirectional motor is meshed with a screw rod, the screw rod is inserted into a supporting arm close to the inside of the rectangular groove, and the output end of the top of the bidirectional motor is meshed with a gear ring on the outer wall of the bearing.

Furthermore, the inner walls of the first fixing sleeve and the second fixing sleeve are provided with buffer rings, and the buffer rings are made of silicon rubber.

Furthermore, the control panel is electrically connected with the water bath, the bidirectional motor, the vacuum switching valve and the vacuum meter component through leads.

The utility model has the advantages that:

1. through the water bath that sets up for rotatory bottle can reach the effect of preventing scalding the hand and heating evenly in heating process, thereby has avoided the inhomogeneous phenomenon of heating that the water bath appears of being heated the inequality.

2. Through the buffer flask that sets up, can effectually play the effect of buffering to the steam that the bumping, promote the life of equipment, avoid not leading to the fact the unnecessary damage to the condenser because of the steam that the bumping does not pass through the buffering.

3. Through the main condenser and the auxiliary condenser that set up, promoted the condensation efficiency to steam, can be timely effectual carry out the condensation to vapor, thereby avoided leading to the phenomenon of pipeline damage because of vapor is overheated and can't carry out timely effectual cooling to it.

Drawings

Fig. 1 is a schematic structural view of a rotary evaporator according to the present invention;

fig. 2 is a schematic structural view of a sealing ring of a rotary evaporator according to the present invention;

fig. 3 is a schematic partial structural view of a rotary evaporator according to the present invention;

fig. 4 is a schematic cross-sectional structure diagram of a rotary evaporator according to the present invention;

fig. 5 is a schematic diagram of a circuit connection structure of a rotary evaporator according to the present invention;

fig. 6 is a schematic view of a bearing structure of a rotary evaporator according to the present invention.

In the figure: the device comprises a base 1, a machine base 2, a support column 3, a rectangular groove 4, a support arm 5, a water bath 6, a first fixing sleeve 7, a collecting bottle 8, a vacuum switching valve 9, an auxiliary condenser 10, a main condenser 11, a vacuum meter component 12, a rotating bottle 13, a fixing shaft seat 14, a buffer bottle 15, a support plate 16, a vacuum meter 17, a pressure measuring hole 18, a shaft sleeve 19, a support rod 20, a second fixing sleeve 21, a sealing ring 22, a bearing 23, a screw 24, a bidirectional motor 25, a control panel 26 and a liquid discharge port 27.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 6, a rotary evaporator comprises a base 2, wherein bases 1 are fixedly mounted on the peripheral outer walls of the bottom of the base 2, the base 1 is cylindrical, so that the base 2 is more stable, a support column 3 is fixedly mounted at the top axis of the base 2 through bolts, a rectangular groove 4 is formed in one side of the support column 3, a support arm 5 is movably connected inside the rectangular groove 4, a water bath 6 is fixedly mounted at the top of the support arm 5, the inner layer of the water bath 6 is a heating layer, the outer layer of the water bath 6 is a heat insulation layer, the water bath 6 is of a double-layer structure, so that heating is more uniform, the heat insulation layer arranged on the outer layer prevents scalding due to overhigh temperature, a control panel 26 is arranged on the outer wall of the front side of the support column 3, the control panel 26 is of YRZK-10S, and a first fixing sleeve 7 is fixedly mounted on the outer wall of the other side of the support, a collecting bottle 8 is clamped inside the first fixing sleeve 7, a liquid outlet 27 is arranged on the outer wall of the bottom of the collecting bottle 8, a fixed shaft seat 14 and a supporting plate 16 are arranged at the top of the supporting column 3, the supporting plate 16 and the fixed shaft seat 14 are distributed at an angle of 120 degrees, a buffer bottle 15 is arranged on the outer wall of one side, close to the supporting plate 16, of the fixed shaft seat 14, a rotary bottle 13 is fixedly connected to the outer wall of the other side, far away from the buffer bottle 15, of the fixed shaft seat 14, the lower half portion of the rotary bottle 13 is suspended inside the water bath 6, a supporting rod 20 is fixedly installed at the top of the supporting plate 16, a vacuum gauge component 12 is arranged on the outer wall of the top of the supporting rod 20, a second fixing sleeve 21 is arranged on the outer wall, close to the vacuum gauge component 12, a main condenser 11 is inserted inside the second fixing sleeve 21, an auxiliary condenser 10 is, and a vacuum switching valve 9 is arranged on the outer wall of the pipeline connecting the collecting bottle 8 and the auxiliary condenser 10.

Further, a bearing 23 is arranged at the axis of the fixed shaft seat 14, a gear ring is arranged on the outer wall of the bearing 23, the inside of the bearing 23 is sleeved on the bottleneck of the rotary bottle 13, and a sealing ring 22 is arranged on the outer wall of the rotary bottle 13 close to the fixed shaft seat 14, so that the sealing performance of the bottleneck of the rotary bottle 13 is ensured.

Further, the vacuum gauge assembly 12 comprises a shaft sleeve 19 fixed outside the supporting rod 20, pressure measuring holes 18 are arranged on a supporting arm of the shaft sleeve 19 and are distributed in a hexagon at equal intervals, the vacuum gauge 17 is fixedly connected to the top ends of the pressure measuring holes 18, and the pressure measuring holes 18 are uniformly distributed to enable data to be more accurate.

Furthermore, the top end of the inner outer wall of the rectangular groove 4 is fixedly provided with a bidirectional motor 25, the output end of the bottom of the bidirectional motor 25 is meshed with a screw rod 24, the screw rod 24 is inserted into the supporting arm 5 close to the inner part of the rectangular groove 4, and the output end of the top of the bidirectional motor 25 is meshed with the gear ring of the outer wall of the bearing 23.

Further, be provided with the buffering circle on the inner wall of the fixed cover of first fixed cover 7 and second 21, and the buffering circle be the silicon rubber material, through the silica gel buffering circle that sets up, can effectually carry out effectual protection to the bottle, avoided causing the unnecessary damage condition because of bottle and metal support direct contact.

Further, the control panel 26 is electrically connected with the water bath 6, the two-way motor 25, the vacuum switching valve 9 and the vacuum gauge assembly 12 through wires, and the measurement process can be timely and effectively adjusted through the control of the control panel 26.

The working principle is as follows: when the rotary evaporator works, an operator can effectively adjust the lifting of the supporting arm 5 by controlling the operation panel 26, thereby controlling the lifting of the water bath 6 to reach the area of the rotary bottle 13 suspended in the water bath 6, then starting the upper end output shaft of the bidirectional motor 25 to rotate the bearing 23 engaged with the bidirectional motor, thereby driving the rotary bottle 13 to rotate, when steam is generated by heating, the steam can enter the buffer bottle 15 along the pipeline to buffer, thereby avoiding the damage of the condenser caused by directly entering the condenser, when the steam enters between the main condenser 11 and the auxiliary condenser 10 from the buffer bottle 15, the steam can be effectively cooled in time, the condenser can be kept in a vacuum state by the arranged vacuum switching valve 9, the degree of extracting substances is ensured, the control panel 26 can effectively adjust the vacuum state between the condensers in time according to the air pressure of the vacuum gauge component 12, when the water vapor reaches a certain degree, the vacuum switching valve 9 is controlled by the control panel 26 to enable the liquid to enter the collecting bottle 8, and the liquid can be collected and stored through the liquid outlet 27 after the collection is finished.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The rotary evaporator comprises a base (2) and is characterized in that a base (1) is fixedly mounted on the outer wall of the periphery of the bottom of the base (2), the base (1) is cylindrical, a support column (3) is fixedly mounted at the top axle center of the base (2) through a bolt, a rectangular groove (4) is formed in one side of the support column (3), a support arm (5) is movably connected to the inside of the rectangular groove (4), a water bath pot (6) is fixedly mounted at the top of the support arm (5), the inner layer of the water bath pot (6) is a heating layer, the outer layer of the water bath pot (6) is a heat insulation layer, a control panel (26) is arranged on the outer wall of the front side of the support column (3), a first fixing sleeve (7) is fixedly mounted on the outer wall of the other side face, opposite to the rectangular groove (4), and a collecting bottle (8) is clamped inside the first fixing sleeve (7), the bottom outer wall of the collecting bottle (8) is provided with a liquid discharge port (27), the top of the supporting column (3) is provided with a fixed shaft seat (14) and a supporting plate (16), the supporting plate (16) and the fixed shaft seat (14) are distributed at an angle of 120 degrees, the outer wall of one side, close to the supporting plate (16), of the fixed shaft seat (14) is provided with a buffer bottle (15), the outer wall of the other side, far away from the buffer bottle (15), of the fixed shaft seat (14) is fixedly connected with a rotary bottle (13), the lower half portion of the rotary bottle (13) is suspended inside the water bath kettle (6), the top of the supporting plate (16) is fixedly provided with a supporting rod (20), the outer wall of the top of the supporting rod (20) is provided with a vacuum meter component (12), the outer wall of the top, close to the vacuum meter component (12), of the supporting rod (20) is provided with a, the bottom of main condenser (11) is through connecting pipe fixedly connected with vice condenser (10), the bottom of vice condenser (10) is through connecting pipe and receiving flask (8) swing joint, and is provided with vacuum switch valve (9) on the pipeline outer wall that receiving flask (8) and vice condenser (10) are connected.

2. A rotary evaporator according to claim 1, characterized in that a bearing (23) is provided at the axial center of the fixed shaft seat (14), a gear ring is provided on the outer wall of the bearing (23), the inside of the bearing (23) is sleeved on the bottleneck of the rotary bottle (13), and a sealing ring (22) is provided on the outer wall of the rotary bottle (13) close to the fixed shaft seat (14).

3. A rotary evaporator according to claim 1, characterized in that the vacuum gauge assembly (12) comprises a sleeve (19) fixed outside the support rod (20), the sleeve (19) is provided with pressure measuring holes (18) which are distributed in a hexagon shape with equal distance on the support arm, and the top end of the pressure measuring hole (18) is fixedly connected with the vacuum gauge (17).

4. A rotary evaporator according to claim 1, characterized in that the top end of the inner outer wall of the rectangular groove (4) is fixedly provided with a bidirectional motor (25), the output end of the bottom of the bidirectional motor (25) is engaged with a screw (24), the screw (24) is inserted into the supporting arm (5) close to the inside of the rectangular groove (4), and the output end of the top of the bidirectional motor (25) is engaged with the gear ring of the outer wall of the bearing (23).

5. A rotary evaporator according to claim 1, characterized in that the inner walls of said first (7) and second (21) housings are provided with damping rings, which are made of silicone rubber.

6. A rotary evaporator according to claim 1, wherein the control panel (26) is electrically connected to the water bath (6), the bi-directional motor (25), the vacuum switching valve (9) and the vacuum gauge assembly (12) by means of wires.