Evaporator for producing high-purity low-glycerol molecular distillation monoglyceride
Technical Field
The invention relates to an evaporator, in particular to an evaporator for producing high-purity low-glycerol molecular distillation monoglyceride.
Background
The stirring cage in the conventional long-range evaporator is generally fixedly connected at the top through a rotating shaft, but under the condition that the top is fixedly connected, when the stirring cage rotates, the stirring cage can generate large radial swing due to rotation, the stirring cage is extremely unstable to install, and the stirring cage can only be suitable for a small long-range evaporator, equipment cannot be enlarged, so that the problems of small unit evaporation capacity, poor evaporation effect and low production efficiency of the evaporator are caused; when the stirring cage rotates, the materials overflow upwards due to the rotation of the stirring cage; in many evaporators, in order to increase evaporation efficiency, guide vanes are often added in the evaporators, and the general guide vanes are large in size, and the space between the vanes is small, so that a large amount of steam is blocked by the vanes when the steam moves upwards. Therefore, an evaporator for producing high-purity low-glycerol molecular distillation monoglyceride is provided.
Disclosure of Invention
The invention aims to solve the problems and provide an evaporator for producing high-purity low-glycerol molecular distillation monoglyceride.
In order to achieve the aim, the invention provides the following technical scheme that the evaporator for producing the high-purity low-glycerol molecular distillation monoglyceride comprises a cylinder, a motor and an outlet bin; the device is characterized in that a material swirling cavity and a material outlet are arranged on the barrel body, and a material inlet is arranged on the material swirling cavity; a bearing seat is arranged in the cylinder body, and a bearing is arranged on the bearing seat; the bottom of the cylinder body is provided with a motor, and a motor output shaft is arranged on the motor; a stirring cage is arranged in the cylinder body, the top of the stirring cage is connected with a bearing seat through a bearing, the bottom of the stirring cage is fixedly connected with an output shaft of the motor through a bolt, an inclined cavity is formed in the top of the stirring cage, and a polytetrafluoroethylene sliding block is arranged in the inclined cavity; a scraper groove is formed in the stirring cage, and a polytetrafluoroethylene scraper is arranged in the scraper groove; and a single-end-face mechanical seal is adopted between the bottom of the cylinder and the output shaft of the motor.
Further preferably, a heating cavity is further arranged on the barrel body, and a heat conduction oil inlet and a heat conduction oil outlet are formed in the heating cavity.
Further preferably, the barrel and the outlet bin are both provided with flanges, and the outlet bin is connected with the barrel through the flanges.
Further preferably, the top of the stirring cage is also provided with a guide vane.
Further preferably, the polytetrafluoroethylene sliding block is thrown out to be tightly attached to the inner wall of the cylinder body when the stirring cage rotates, so that materials are prevented from overflowing upwards.
The invention has the beneficial effects that: according to the invention, through the arrangement of the material rotational flow cavity, materials can enter the evaporation surface with pressure, so that the unit evaporation capacity of the evaporator is improved; the top of the stirring cage is provided with the inclined cavity, and the polytetrafluoroethylene sliding block is arranged in the inclined cavity, so that the polytetrafluoroethylene sliding block is thrown out to be attached to the inner wall of the evaporator when the stirring cage rotates, and materials are prevented from overflowing upwards; a plurality of guide vanes are arranged in the outlet bin, so that the evaporation efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the structure of the stirring cage of the present invention;
FIG. 3 is a schematic structural view of a polytetrafluoroethylene slider according to the present invention;
FIG. 4 is a schematic view of the construction of a PTFE scraper according to the present invention;
fig. 5 is a schematic structural view of a guide vane of the present invention.
Illustration of the drawings: 1. a barrel; 2. a motor; 3. an outlet bin; 4. a material cyclone bin; 5. a material outlet; 6. a material inlet; 7. a flange; 8. a bearing seat; 9. a bearing; 10. stirring a cage; 11. an output shaft of the motor; 12. a heating cavity; 13. a heat conducting oil inlet; 14. a heat conducting oil outlet; 15. an inclined cavity; 16. a polytetrafluoroethylene slide block; 17. a scraping plate groove; 18. a polytetrafluoroethylene scraper; 19. a guide vane.
Detailed Description
An evaporator for producing high purity low glycerol molecular distillation monoglyceride according to the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 5, an evaporator for producing high-purity low-glycerin molecular distillation monoglyceride of the present embodiment includes a cylinder 1, a motor 2, and an outlet bin 3; the device is characterized in that a material swirling cavity 4 and a material outlet 5 are arranged on the barrel body 1, and a material inlet 6 is arranged on the material swirling cavity 4; a bearing seat 8 is arranged in the cylinder body 1, and a bearing 9 is arranged on the bearing seat 8; the bottom of the cylinder body 1 is provided with a motor 2, and the motor 2 is provided with a motor output shaft 11; a stirring cage 10 is arranged in the cylinder body 1, the top of the stirring cage 10 is connected with a bearing seat 8 through a bearing 9, the bottom of the stirring cage is fixedly connected with a motor output shaft 11 through a bolt, an inclined cavity 15 is arranged at the top of the stirring cage 10, and a polytetrafluoroethylene sliding block 16 is arranged in the inclined cavity 15; a scraper groove 17 is formed in the stirring cage 10, and a polytetrafluoroethylene scraper 18 is arranged in the scraper groove 17; the bottom of the cylinder body 1 and the motor output shaft 11 are mechanically sealed by a single end face; the barrel body 1 is also provided with a heating cavity 12, and the heating cavity 12 is provided with a heat conduction oil inlet 13 and a heat conduction oil outlet 14; the barrel body 1 and the outlet bin 3 are both provided with flanges 7, and the outlet bin 3 is connected with the barrel body 1 through the flanges 7; the top of the stirring cage 10 is also provided with a guide vane 19; the polytetrafluoroethylene sliding block 16 is thrown out to be tightly attached to the inner wall of the cylinder body 1 when the stirring cage 10 rotates, so that materials are prevented from overflowing upwards.
When the material evaporator is used, materials enter the material vortex cavity 4 through the material inlet 6, extrusion is formed in the material vortex cavity 4, and the materials enter the evaporation surface with pressure; meanwhile, hot oil is filled into the heating cavity 12 through the heat conduction oil inlet 13 to heat materials, so that the materials are evaporated, then the motor 2 is started to drive the stirring cage 10 to rotate, in the rotating process of the stirring cage 10, the polytetrafluoroethylene sliding block 16 in the inclined cavity 15 is enabled to be thrown out to be close to an evaporation surface, the materials are prevented from overflowing upwards, the outlet bin 3 is connected with the cold well through the flange 7, and glycerin is evaporated and transmitted to the cold well in the next working procedure.
The invention has the advantages that the material cyclone cavity 4 is arranged, so that the material can enter an evaporation surface with pressure, and the unit evaporation capacity of the evaporator is improved; an inclined cavity 15 is formed in the top of the stirring cage 10, a polytetrafluoroethylene sliding block 16 is arranged in the inclined cavity 15, and the polytetrafluoroethylene sliding block 16 is thrown out to be attached to the inner wall of an evaporator when the stirring cage 10 rotates, so that materials are prevented from overflowing upwards; the guide vanes 19 are arranged in the top of the stirring cage 10, and meanwhile, the guide vanes 19 are arranged to be long and small, and the space between the vanes is large, so that the evaporation efficiency is improved; through will stir cage 10 and set up to top bottom biax connection, increase and stir the stability when cage 10 rotates, and equipment can make the macro-scale, has solved the unable problem that maximizes of conventional long-range evaporimeter because of radial swing to evaporation effect and speed have been increased.
The scope of protection of the invention is not limited to the above embodiments and variations thereof. The present invention is not limited to the above embodiments, but may be modified in various ways.