CN108686392B - Rotary evaporator for preparing brominated epoxy resin - Google Patents
Rotary evaporator for preparing brominated epoxy resin Download PDFInfo
- Publication number
- CN108686392B CN108686392B CN201810966643.XA CN201810966643A CN108686392B CN 108686392 B CN108686392 B CN 108686392B CN 201810966643 A CN201810966643 A CN 201810966643A CN 108686392 B CN108686392 B CN 108686392B
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- condenser
- pipe
- brominated epoxy
- evaporation bottle
- rotary evaporator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
- B01D1/222—In rotating vessels; vessels with movable parts
Abstract
The invention discloses a rotary evaporator for preparing brominated epoxy resin, which comprises a rack, wherein a condenser is arranged at the upper end of the rack, the lower end of the condenser is connected with a gas transmission pipe, the lower end of the gas transmission pipe is provided with an evaporation bottle, the inner wall of the evaporation bottle is provided with a temperature sensor, the outer wall of the evaporation bottle is tightly sleeved with an electric heating sheet, and the outer part of the electric heating sheet is sleeved with a heat insulation sleeve; the lower end of the rack is provided with a processor electrically connected with the temperature sensor and a display electrically connected with the processor; the middle part of the frame is provided with a battery. Has the advantages that: the rotary evaporator for preparing the brominated epoxy resin does not need water bath heating and water cooling equipment for assistance when working, has few matched equipment and low use cost, thereby obviously reducing the production cost of brominated epoxy resin production enterprises and having good practicability.
Description
Technical Field
The invention relates to the field of brominated epoxy resin preparation, in particular to a rotary evaporator for preparing brominated epoxy resin.
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. The principle is that under the vacuum condition, the constant temperature heating is carried out, so that the rotary bottle rotates at a constant speed, the material forms a large-area film on the wall of the bottle, and the high-efficiency evaporation is carried out. The solvent vapor is cooled by a high-efficiency glass condenser and recovered in a collecting bottle, thereby greatly improving the evaporation efficiency. Is particularly suitable for the concentration and purification of biological products which are easy to decompose and denature at high temperature. However, the rotary evaporator commonly available in the market at present has the following problems in the practical use process:
at present, the overwhelming majority of during operation of common rotatory evaporimeter need be equipped with water-bath heating and water-cooling equipment, the water-bath is used for heating solution to make its evaporation, water-cooling equipment is used for cooling evaporating gas to make its condensation become liquid, it is visible, the corollary equipment of rotatory evaporimeter during operation is more, therefore, rotatory evaporimeter is used the cost also higher, and need rotatory evaporimeter not stop working for a long time in brominated epoxy resin preparation process, consequently to brominated epoxy resin manufacturing enterprise, adopt traditional rotatory evaporimeter preparation brominated epoxy resin to cost huge economic cost undoubtedly.
Disclosure of Invention
The invention aims to solve the problems, and provides a rotary evaporator for preparing brominated epoxy resin, so as to solve the problems that in the prior art, a plurality of matched devices are needed in the working process of the conventional rotary evaporator for preparing brominated epoxy resin, the use cost is high, and the like. According to the technical scheme provided by the invention, the preferred technical scheme can realize that the rotary evaporator does not need water bath heating and water cooling equipment for assistance when working, the matched equipment is less, the use cost is low, the production cost of brominated epoxy resin production enterprises is obviously reduced, the practicability is good, and the like, and the detailed technical effects are described in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a rotary evaporator for preparing brominated epoxy resin, which comprises a rack, wherein a condenser is arranged at the upper end of the rack, the lower end of the condenser is connected with a gas transmission pipe, the lower end of the gas transmission pipe is provided with an evaporation bottle, the inner wall of the evaporation bottle is provided with a temperature sensor, the outer wall of the evaporation bottle is tightly sleeved with an electric heating sheet, and the outer part of the electric heating sheet is sleeved with a heat insulation sleeve; the lower end of the rack is provided with a processor electrically connected with the temperature sensor and a display electrically connected with the processor; a battery is arranged in the middle of the rack;
a machine box is arranged in the condenser, air outlet pipes which are respectively communicated with the upper surface and the lower surface of the condenser are respectively arranged on the upper surface and the lower surface of the machine box, a fan is arranged in the machine box, the upper end of a rotating shaft is sleeved with the fan, and the lower end of the rotating shaft penetrates through the air conveying pipe to extend into the evaporation bottle and is fixedly connected with a stirring paddle; the front surface of the case is buckled with a case cover, the case cover is provided with an air inlet communicated with the inside of the case, an air inlet pipe is inserted in the air inlet, and the other end of the air inlet pipe is connected with an air pump; the lower end of the condenser is connected with a collecting bottle through a liquid outlet pipe;
the lower end in the gas pipe is fixedly provided with a retainer, the center of the retainer is provided with a shaft hole, and the rotating shaft penetrates through the shaft hole from top to bottom and is in rolling connection with the retainer.
Preferably, the pipe orifice at the upper end of the gas pipe extends into the upper end of the bottom surface at the inner side of the condenser;
wherein, the lower end pipe orifice of the gas pipe extends into the lower end of the inner bottle mouth of the evaporation bottle;
wherein, both ends are dismantled sealing connection respectively with the condenser with the evaporating flask about the gas-supply pipe.
Preferably, the stirring blade is in the shape of a semicircular sheet;
wherein the stirring paddle is made of flexible materials;
wherein, flexible material includes one of silica gel, plastics and metal.
Preferably, the surface of the heat insulation sleeve is provided with an observation window.
Preferably, the holder is provided with a plurality of through holes.
Preferably, the number of the air outlet pipes is multiple, and the air outlet pipes are uniformly distributed on the upper surface and the lower surface of the condenser;
wherein, a plurality of the outlet duct all with the machine box is inside to be communicated.
Preferably, the box cover is detachably and hermetically connected with the machine box;
wherein the central axis of the air inlet is aligned with the fan blades of the fan.
When the rotary evaporator for preparing brominated epoxy resin is used, a solution is firstly added into the evaporation bottle, then the condenser is fixedly communicated with the evaporation bottle through the gas transmission pipe, then the air pump and the electric heating sheet are started to work, the electric heating sheet heats the evaporation bottle after being electrified, the solution in the evaporation bottle is heated and evaporated to form steam, the steam enters the condenser along the gas transmission pipe, the air pump rotates to pump gas into the machine box through the gas inlet pipe, the gas is jetted to the fan from the gas inlet to push the fan to rotate, the fan rotates to drive the rotating shaft to rotate, the rotating shaft rotates to drive the stirring paddle to rotate to stir the liquid in the evaporation bottle, so that the liquid can be uniformly distributed on the inner wall surface of the whole evaporation bottle and rotates along the inner wall surface (and the center of the evaporation bottle is under the action of centrifugal force, no liquid exists), so that the liquid can be uniformly heated, the evaporation speed is high, the efficiency is high, the temperature of the liquid in the evaporation bottle can be known through the display (the temperature sensor can detect the temperature data of the liquid in the evaporation bottle in real time and transmit the detected data to the processor, the detected data is displayed on the display after being processed by the processor), the gas in the case is discharged out of the condenser through the air outlet pipe, in the process that the gas flows out of the condenser along the air outlet pipe, the hot steam in the condenser exchanges heat with the cold air in the air outlet pipe, the hot steam is liquefied into the liquid when encountering cold and is discharged from the liquid outlet pipe at the bottom of the condenser and stored in the collection bottle, and because the air-cooled liquefied hot steam is adopted, water-cooling equipment is not needed, and the electric heating piece can replace water bath heating, therefore, the auxiliary equipment for the rotary evaporator during working is reduced, the use cost is low, the production cost of brominated epoxy resin production enterprises is effectively reduced, and the practicability is good.
Has the advantages that: the rotary evaporator for preparing the brominated epoxy resin does not need water bath heating and water cooling equipment for assistance when working, has few matched equipment and low use cost, thereby obviously reducing the production cost of brominated epoxy resin production enterprises and having good practicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is an internal block diagram of FIG. 1 of the present invention;
FIG. 3 is a schematic structural view of the lid of the present invention;
FIG. 4 is a schematic structural view of the cage of the present invention;
fig. 5 is a partial enlarged view of fig. 2 of the present invention.
The reference numerals are explained below:
1. a frame; 2. a condenser; 3. a battery; 4. a gas delivery pipe; 5. a heat insulating sleeve; 6. a liquid outlet pipe; 7. a collection bottle; 8. a case; 9. a box cover; 10. an air inlet; 11. an air pump; 12. an air inlet pipe; 13. an air outlet pipe; 14. a fan; 15. a rotating shaft; 16. a stirring paddle; 17. a holder; 18. a shaft hole; 19. an evaporation bottle; 20. an electrical heating sheet; 21. a temperature sensor; 22. an observation window; 23. a display; 24. a processor; 25. and a through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1-5, the rotary evaporator for preparing brominated epoxy resin provided by the invention comprises a frame 1, wherein a condenser 2 is installed at the upper end of the frame 1, the condenser 2 is used for liquefying hot steam, the lower end of the condenser 2 is connected with a gas pipe 4, an evaporation bottle 19 is installed at the lower end of the gas pipe 4, a temperature sensor 21 is arranged on the inner wall of the evaporation bottle 19, the temperature sensor 21 is used for detecting the temperature in the evaporation bottle 19, an electric heating sheet 20 is tightly sleeved on the outer wall of the evaporation bottle 19, and the electric heating sheet 20 is used for heating the evaporation bottle 19 so as to replace water bath heating; the lower end of the rack 1 is provided with a processor 24 electrically connected with the temperature sensor 21 and a display 23 electrically connected with the processor 24, and the display screen is used for displaying temperature data detected by the temperature sensor 21; the middle part of the frame 1 is provided with a battery 3;
a machine box 8 is arranged in the condenser 2, air outlet pipes 13 which are respectively communicated with the upper surface and the lower surface of the condenser 2 are respectively arranged on the upper surface and the lower surface of the machine box 8, the air outlet pipes 13 are used for carrying out heat exchange with hot steam and taking away heat in time, a fan 14 is arranged in the machine box 8, the fan 14 drives a stirring blade 16 to rotate under the blowing of air flow so as to stir the solution in the evaporation bottle 19 to be clung to the inner wall of the evaporation bottle 19, the solution can be rapidly evaporated, the fan 14 is sleeved at the upper end of a rotating shaft 15, and the lower end of the rotating shaft 15 penetrates through a gas pipe 4 to extend into the evaporation bottle 19; the front surface of the machine box 8 is buckled with a box cover 9, an air inlet 10 communicated with the interior of the machine box 8 is arranged on the box cover 9, an air inlet pipe 12 is inserted in the air inlet 10, the other end of the air inlet pipe 12 is connected with an air pump 11, the air pump 11 is used for pumping air into the machine box 8 and used for pushing a fan 14 to rotate on one hand and accelerating the heat exchange speed of an air outlet pipe 13 and hot steam on the other hand; the lower end of the condenser 2 is connected with a collecting bottle 7 through a liquid outlet pipe 6;
the lower end in the gas pipe 4 is fixedly provided with a retainer 17, the retainer 17 is used for supporting the rotating shaft 15 and preventing the rotating shaft 15 from inclining, the center of the retainer 17 is provided with a shaft hole 18, and the rotating shaft 15 penetrates through the shaft hole 18 from top to bottom and is in rolling connection with the retainer 17.
As an optional implementation mode, a pipe orifice at the upper end of the gas transmission pipe 4 extends into the upper end of the bottom surface of the inner side of the condenser 2, so that liquid can be prevented from flowing into the gas transmission pipe 4;
wherein, the lower end pipe orifice of the gas pipe 4 extends into the lower end of the inner bottle mouth of the evaporation bottle 19, so that the liquid can be prevented from flowing into the gas pipe 4;
wherein, both ends can dismantle sealing connection with condenser 2 and evaporating flask 19 respectively about the gas-supply pipe 4, and the design like this, the rotatory evaporimeter of being convenient for is dismantled the equipment, conveniently adds liquid to in the evaporating flask 19.
The stirring blade 16 is in a semicircular sheet shape;
the stirring paddle 16 is made of flexible materials, so that the stirring paddle 16 is convenient to take out of the evaporation bottle 19;
wherein, the flexible material comprises one of silica gel, plastics and metal.
The surface of the heat insulation sleeve 5 is provided with an observation window 22, and the observation window 22 is convenient for observing the stirring condition of the stirring blade 16 in the evaporation bottle 19 from the outside.
The retainer 17 is provided with a plurality of through holes 25, and the through holes 25 are used for the gas to smoothly pass through and rise along the gas transmission pipe 4.
A plurality of air outlet pipes 13 are uniformly distributed on the upper surface and the lower surface of the condenser 2;
wherein, a plurality of outlet pipes 13 all communicate with the inside of machine box 8, and a plurality of outlet pipes 13 design can make condenser 2 have stronger cooling performance.
The box cover 9 is detachably and hermetically connected with the box 8;
the central axis of the air inlet 10 is aligned with the fan blades of the fan 14, so that the air entering the air inlet 10 can be totally emitted to the fan blades, and the fan blades can rotate by fully utilizing the kinetic energy of the air.
When the rotary evaporator for preparing brominated epoxy resin is used, firstly, a solution is added into an evaporation bottle 19, then a condenser 2 and the evaporation bottle 19 are fixedly communicated through a gas conveying pipe 4, then, an air pump 11 and an electric heating sheet 20 are started to work, the electric heating sheet 20 heats the evaporation bottle 19 after being electrified, the solution in the evaporation bottle 19 is heated and evaporated to form steam, the steam enters the condenser 2 along the gas conveying pipe 4, the air pump 11 rotates to pump gas into a machine box 8 through a gas inlet pipe 12, the gas is jetted from a gas inlet 10 to a fan 14 to push the fan 14 to rotate, the fan 14 rotates to drive a rotating shaft 15 to rotate, the rotating shaft 15 rotates to drive a stirring paddle 16 to rotate to stir liquid in the evaporation bottle 19, and the liquid can be uniformly distributed on the inner wall surface of the whole evaporation bottle 19 and rotates along the inner wall surface (no liquid exists in the center of the evaporation bottle 19 due to the, the liquid can be uniformly heated, the evaporation speed is high, the efficiency is high, the temperature of the liquid in the evaporation bottle 19 can be known through the display 23 (the temperature sensor 21 can detect the temperature data of the liquid in the evaporation bottle 19 in real time and transmit the detected data to the processor 24, the detected data is displayed on the display 23 after being processed by the processor 24), the gas in the machine box 8 is discharged out of the condenser 2 through the air outlet pipe 13, in the process that the gas flows out of the condenser 2 along the air outlet pipe 13, the hot steam in the condenser 2 exchanges heat with the cold air in the air outlet pipe 13, the hot steam is liquefied into the liquid when meeting the cold and is discharged from the liquid outlet pipe 6 at the bottom of the condenser 2 and stored in the collection bottle 7, because the hot steam is liquefied by air cooling, a water cooling device is not needed, and the electric heating sheet 20 can replace the water bath heating, the matched device when the rotary evaporator works is reduced, the use cost, effectively reduces the production cost of brominated epoxy resin production enterprises and has good practicability.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (5)
1. The utility model provides a rotatory evaporimeter is used in brominated epoxy preparation, includes frame (1), its characterized in that: the solar water heater is characterized in that a condenser (2) is installed at the upper end of the rack (1), the lower end of the condenser (2) is connected with a gas pipe (4), an evaporation bottle (19) is installed at the lower end of the gas pipe (4), a temperature sensor (21) is arranged on the inner wall of the evaporation bottle (19), an electric heating sheet (20) is tightly sleeved on the outer wall of the evaporation bottle (19), and a heat insulation sleeve (5) is sleeved outside the electric heating sheet (20); a processor (24) electrically connected with the temperature sensor (21) and a display (23) electrically connected with the processor (24) are arranged at the lower end of the rack (1); a battery (3) is arranged in the middle of the rack (1);
a machine box (8) is arranged in the condenser (2), air outlet pipes (13) which are respectively communicated with the upper surface and the lower surface of the condenser (2) are respectively arranged on the upper surface and the lower surface of the machine box (8), a fan (14) is arranged in the machine box (8), the upper end of a rotating shaft (15) is sleeved with the fan (14), and the lower end of the rotating shaft (15) penetrates through the air conveying pipe (4) and extends into the evaporation bottle (19) and is fixedly connected with a stirring paddle (16); the front surface of the machine box (8) is buckled with a box cover (9), an air inlet (10) communicated with the interior of the machine box (8) is formed in the box cover (9), an air inlet pipe (12) is inserted in the air inlet (10), and the other end of the air inlet pipe (12) is connected with an air pump (11); the lower end of the condenser (2) is connected with a collecting bottle (7) through a liquid outlet pipe (6);
the stirring blade (16) is in a semicircular sheet shape; the stirring paddle (16) is made of flexible materials; the flexible material comprises one of silica gel, plastic and metal;
the box cover (9) is detachably connected with the machine box (8) in a sealing way; the central axis of the air inlet (10) is aligned with the fan blades of the fan (14);
the air delivery pipe is characterized in that a retainer (17) is fixedly mounted at the lower end inside the air delivery pipe (4), a shaft hole (18) is formed in the center of the retainer (17), and the rotating shaft (15) penetrates through the shaft hole (18) from top to bottom and is in rolling connection with the retainer (17).
2. The rotary evaporator for preparing brominated epoxy resins according to claim 1, characterized in that: the upper end pipe orifice of the gas pipe (4) extends into the upper end of the bottom surface of the inner side of the condenser (2);
wherein, the lower end pipe orifice of the gas pipe (4) extends into the lower end of the inner bottle mouth of the evaporation bottle (19);
wherein, the upper end and the lower end of the gas transmission pipe (4) are respectively connected with the condenser (2) and the evaporation bottle (19) in a detachable and sealed way.
3. The rotary evaporator for preparing brominated epoxy resins according to claim 1, characterized in that: and an observation window (22) is arranged on the surface of the heat insulation sleeve (5).
4. The rotary evaporator for preparing brominated epoxy resins according to claim 1, characterized in that: the retainer (17) is provided with a plurality of through holes (25).
5. The rotary evaporator for preparing brominated epoxy resins according to claim 1, characterized in that: a plurality of air outlet pipes (13) are uniformly distributed on the upper surface and the lower surface of the condenser (2);
wherein, a plurality of the air outlet pipes (13) are communicated with the interior of the case (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810966643.XA CN108686392B (en) | 2018-08-23 | 2018-08-23 | Rotary evaporator for preparing brominated epoxy resin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810966643.XA CN108686392B (en) | 2018-08-23 | 2018-08-23 | Rotary evaporator for preparing brominated epoxy resin |
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| Publication Number | Publication Date |
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| CN108686392A CN108686392A (en) | 2018-10-23 |
| CN108686392B true CN108686392B (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810966643.XA Active CN108686392B (en) | 2018-08-23 | 2018-08-23 | Rotary evaporator for preparing brominated epoxy resin |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109945954A (en) * | 2019-04-02 | 2019-06-28 | 上海理工大学 | The pVTt volumetric standard of adiabatic wall |
| CN110302555B (en) * | 2019-06-05 | 2021-11-26 | 皖西学院 | Cable type extractor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202778541U (en) * | 2012-06-30 | 2013-03-13 | 长沙普济生物科技有限公司 | Anti-foam vacuum rotary evaporator |
| CN104888483A (en) * | 2015-06-14 | 2015-09-09 | 李景峰 | External cooling type electronic condensation water distilling apparatus without cooling water |
| CN106152825A (en) * | 2015-04-10 | 2016-11-23 | 刘英聚 | A kind of high depth air cooling method and vertical tube air cooler |
| CN207215532U (en) * | 2017-06-05 | 2018-04-10 | 天津禹王生物医药科技有限公司 | A kind of oral liquid analysis Rotary Evaporators |
| CN107970630A (en) * | 2018-01-02 | 2018-05-01 | 北京师范大学 | Rotary evaporating device with heat tape |
-
2018
- 2018-08-23 CN CN201810966643.XA patent/CN108686392B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202778541U (en) * | 2012-06-30 | 2013-03-13 | 长沙普济生物科技有限公司 | Anti-foam vacuum rotary evaporator |
| CN106152825A (en) * | 2015-04-10 | 2016-11-23 | 刘英聚 | A kind of high depth air cooling method and vertical tube air cooler |
| CN104888483A (en) * | 2015-06-14 | 2015-09-09 | 李景峰 | External cooling type electronic condensation water distilling apparatus without cooling water |
| CN207215532U (en) * | 2017-06-05 | 2018-04-10 | 天津禹王生物医药科技有限公司 | A kind of oral liquid analysis Rotary Evaporators |
| CN107970630A (en) * | 2018-01-02 | 2018-05-01 | 北京师范大学 | Rotary evaporating device with heat tape |
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Effective date of registration: 20220929 Address after: East of Zhongtian Machinery, Changping Road, Hutou Town, Yinan County, Linyi City, Shandong Province, 276300 Patentee after: Shandong Miaojie New Building Materials Co.,Ltd. Address before: 276015 Beiqiao village, machanhu Town, high tech Zone, Linyi City, Shandong Province Patentee before: Shandong bangneng new building materials Co.,Ltd. |
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