CN218357421U

CN218357421U - Vacuum dehydration reaction device is used in sorbitol production

Info

Publication number: CN218357421U
Application number: CN202222859535.7U
Authority: CN
Inventors: 杨腊月; 何晓凯; 黄建民; 张彤; 吕群
Original assignee: Hebei Runxiao Biotechnology Co ltd
Current assignee: Hebei Runxiao Biotechnology Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-01-24
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a vacuum dehydration reaction unit is used in sorbitol production, including reation kettle, the bleeder valve is installed to the reation kettle lower extreme, the last feed valve of installing of reation kettle, the last vacuum extraction mechanism of installing of reation kettle, vacuum extraction mechanism includes the isolation frame of fixed mounting lower extreme in reation kettle, install first electric valve on the isolation frame, the vacuum pump is installed to the reation kettle upper end, the last dewatering mechanism of installing of reation kettle, dewatering mechanism is including installing the heat conduction coil pipe in reation kettle, the agitator is installed to the lower extreme in the reation kettle. The beneficial effects of the utility model are that, only need extract in the reation kettle half or less air at every turn, can be so that reach vacuum state in the reation kettle, improved work efficiency, through the rotation of agitator, can stir the raw materials, can make the raw materials intensive mixing, increased dehydration efficiency, improved product quality, improved production efficiency simultaneously.

Description

Vacuum dehydration reaction device is used in sorbitol production

Technical Field

The utility model relates to a sorbitol processing equipment technical field, more specifically the saying so relates to a vacuum dehydration reaction unit is used in sorbitol production.

Background

Sorbitol is white crystalline powder, flake or granule, crystalline sorbitol needs to be dehydrated in the preparation process, and vacuum dehydration is one of the existing dehydration methods.

In the prior art, for example, patent No. CN202023053227.2, the patent name is a vacuum dehydration reaction kettle for producing sorbitol, which is mainly to add a stainless steel inner coil pipe and a stirrer in the reaction kettle, add blades at the lower end and the middle part of the stirrer, set a heating accompanying pipe outside the reaction kettle, set a vacuum pipeline at the end socket of the reaction kettle and connect with a spiral plate heat exchanger, so as to condense and collect evaporated moisture, and further dehydrate sorbitol.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems and designing a vacuum dehydration reaction device for producing sorbitol.

The technical proposal of the utility model is that the vacuum dehydration reaction device for producing the sorbitol comprises a reaction kettle, the lower end of the reaction kettle is provided with a discharge valve, the reaction kettle is provided with a feed valve, the reaction kettle is provided with a vacuum dehydration reaction device,

the vacuum extraction mechanism comprises an isolation frame fixedly arranged at the inner lower end of the reaction kettle, the isolation frame can divide the reaction kettle into two parts, a first electric valve capable of being opened and closed is arranged on the isolation frame, a vacuum pump is arranged at the upper end of the reaction kettle, a second electric valve is arranged on the reaction kettle, the inlet end of the second electric valve is positioned above the isolation frame, the inlet end of the vacuum pump is connected with the second electric valve, the feed valve is positioned below the isolation frame,

dewatering mechanism, dewatering mechanism is including installing the heat conduction coil pipe in reation kettle, circulation heater is installed to reation kettle outside lower extreme, heat conduction coil pipe both ends and circulation heater fixed connection, the agitator is installed to the lower extreme in the reation kettle.

Furthermore, the isolation frame comprises a separation table fixedly installed at the lower end in the reaction kettle, a ventilation opening is formed in the separation table, and the first electric valve is installed at the ventilation opening.

Further, the heat conduction coil pipe is arranged on the lower surface of the separation table.

Furthermore, it has a plurality of slope water drainage tank to separate bench upper end to open, it has the collecting vat to separate bench upper end one side to open, second electric valve entrance point is located collecting vat department.

Furthermore, the feed valve is obliquely installed at the upper end of the reaction kettle, the inlet end of the feed valve is higher, the inlet end of the feed valve is provided with a conical material guide pipe, and the upper end of the conical material guide pipe is provided with a filter screen.

Further, the agitator includes hollow tube, antifriction bearing is installed to hollow tube both sides, antifriction bearing fixed mounting is at reation kettle internal side surface, hollow tube is last to install a plurality of cooling tubes, first gear is installed to hollow tube one end, driving motor is installed to reation kettle lower extreme one side, the reation kettle is inboard to the rotatory end of driving motor, the second gear is installed to the rotatory end of driving motor, second gear and first gear engagement, driving motor installs sealed bearing with reation kettle crossing position, the connecting pipe is installed to the antifriction bearing upper end, heat conduction coil pipe passes through connecting pipe and hollow tube intercommunication.

The utility model has the advantages that: the internal space of the reaction kettle can be divided into two parts through the isolation frame, the reaction kettle is vacuumized, after the sorbitol is dehydrated, the first electric valve is closed, the upper space and the lower space in the reaction kettle can be separated, then the discharge valve is opened to take out a finished product, then the discharge valve is closed to open the feed valve, new raw materials can be added into the reaction kettle, then the feed valve is closed, the first electric valve is opened to enable the interior of the reaction kettle to penetrate through, then the interior of the reaction kettle can be vacuumized through the vacuum pump and the second electric valve, because only half or less air in the reaction kettle needs to be pumped each time, the vacuum state in the reaction kettle can be achieved, the working efficiency is improved, the interior of the reaction kettle can be heated through the heat conducting coil, the raw materials can be stirred through the rotation of the stirrer, the raw materials can be fully mixed, the dehydration efficiency is improved, the product quality is improved, and the production efficiency is improved,

the air vent is arranged on the separating table, so that when the sorbitol is dehydrated, the water vapor moves to the upper part of the separating table through the first electric valve, and then can fall to the upper part of the separating table when the water vapor is liquefied when meeting cold, thereby preventing the sorbitol from being wetted again by the liquefied water, ensuring the product quality,

the upper end of the separating table is provided with an inclined drainage groove and a collecting groove, which is convenient for leading the liquefied water to be gathered to one side and taking out the water,

the agitator comprises hollow tube and cooling tube to make heat conduction coil pipe pass through connecting pipe and hollow tube intercommunication, and then can heat hollow tube and cooling tube, can make cooling tube and sorbitol fully contact, improved dehydration efficiency.

Drawings

FIG. 1 is a schematic structural view of a vacuum dehydration reaction apparatus for sorbitol production according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is a schematic view of the connection between the heat conducting coil and the separating table according to the present invention;

FIG. 5 is a schematic view of the connection between the inclined drainage trough and the collection trough according to the present invention;

in the figure, 1, a reaction kettle; 2. a discharge valve; 3. a feed valve; 4. an isolation frame; 5. a first electrically operated valve; 6. a vacuum pump; 7. a second electrically operated valve; 8. a heat conducting coil; 9. a circulation heater; 10. a stirrer; 11. a separating table; 12. a ventilation port; 13. inclining the drainage channel; 14. collecting tank; 15. a conical material guide pipe; 16. a filter screen; 17. a hollow pipe; 18. a rolling bearing; 19. a radiating pipe; 20. a first gear; 21. a drive motor; 22. a second gear; 23. sealing the bearing; 24. and (4) connecting the pipes.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a vacuum dehydration reaction unit is used in sorbitol production as shown in fig. 1-5, including reation kettle 1, bleeder valve 2 is installed to reation kettle 1 lower extreme, install feed valve 3 on reation kettle 1, install vacuum extraction mechanism on reation kettle 1, vacuum extraction mechanism includes isolation frame 4 of fixed mounting lower extreme in reation kettle 1, isolation frame 4 can divide reation kettle 1 into two parts, but install open and close first electric valve 5 on isolation frame 4, vacuum pump 6 is installed to reation kettle 1 upper end, install second electric valve 7 on reation kettle 1, second electric valve 7 entrance point is located isolation frame 4 top, vacuum pump 6 entrance point and second electric valve 7 are connected, feed valve 3 is located isolation frame 4 below, install dehydration mechanism on reation kettle 1, dehydration mechanism is including installing heat conduction coil pipe 8 in reation kettle 1, circulating heater 9 is installed to reation kettle 1 outside lower extreme, heat conduction coil 8 both ends and circulating heater 9 fixed connection, agitator 10 is installed to the lower extreme in reation kettle 1, reation kettle 1

The device dehydrates sorbitol as follows: under normal state, the discharge valve 2 is closed, the feed valve 3 is opened, raw materials can be added into the lower end of the reaction kettle 1 through the feed valve 3, after the raw materials are added, the feeding valve 3 is closed, the first electric valve 5 and the second electric valve 7 are opened, the vacuum pump 6 is started to operate, the vacuum pump 6 can vacuumize the reaction kettle 1 through the second electric valve 7, after the extraction is finished, the second electric valve 7 and the vacuum pump 6 are closed, the heat-conducting medium is heated by the circulating heater 9 and flows in the heat-conducting coil 8, further, sorbitol at the lower end of the reaction vessel 1 can be dehydrated and stirred by the stirrer 10, thereby increasing the contact area of the sorbitol and the hot air, leading the sorbitol to be quickly dehydrated, leading the water vapor generated by the dehydration of the sorbitol to flow to the upper part of the isolation frame 4 through the first electric valve 5, thereby separating the water vapor from the sorbitol and allowing the water vapor to remain above the isolation shelf 4 when the water vapor is liquefied, preventing the sorbitol from being wetted again, after the dehydration is finished, the circulation heater 9 and the stirrer 10 are closed, the first electric valve 5 is closed, the discharge valve 2 is opened, the air pressure at the lower end in the reaction kettle 1 is returned to the normal atmospheric pressure, and then the finished product is taken out by the staff, then the discharge valve 2 is closed, the feed valve 3 is opened, the materials can be fed into the reaction kettle 1, then the feed valve 3 is closed, the first electric valve 5 and the second electric valve 7 are opened, the vacuum pump 6 is started to operate, the vacuum pump 6 can vacuumize the reaction kettle 1 through the second electric valve 7, because the air in the reaction kettle 1 is only a small amount of air below the isolation frame 4, the working efficiency of vacuum pumping can be further improved.

Referring to the attached figure 1 of the specification, the isolation frame 4 comprises a separation table 11 fixedly arranged at the inner lower end of the reaction kettle 1, a ventilation port 12 is arranged on the separation table 11, the first electric valve 5 is arranged at the ventilation port 12,

the isolation frame 4 is a separation table 11, and the separation table 11 is provided with a ventilation port 12, so that the upper end and the lower end of the reaction kettle 1 can be completely isolated except at the ventilation port 12, and the first electric valve 5 is arranged at the ventilation port 12, so that the upper end and the lower end of the reaction kettle 1 can be conveniently controlled to be in a communicated or interrupted state.

Referring to the accompanying drawings 1, 3 and 4, the heat conducting coil 8 is mounted on the lower surface of the partition table 11,

can heat lower extreme in reation kettle 1 to through the isolated of separating platform 11, can make the space of heat conduction coil pipe 8 heating littleer, and then the temperature when can guaranteeing the sorbitol dehydration, and can reduce the heat energy extravagant.

Referring to the attached drawings 1 and 5 in the specification, the upper end of the separation platform 11 is provided with a plurality of inclined drainage grooves 13, one side of the upper end of the separation platform 11 is provided with a collection tank 14, the inlet end of the second electric valve 7 is positioned at the collection tank 14,

can fall on in slope water drainage tank 13 after moving the water vapor liquefaction of separating platform 11 top to flow to collecting tank 14 department under the effect of gravity, when vacuum pump 6 extraction vacuum, accessible second electric valve 7 extracts the water in the collecting tank 14, and then can prevent to have a large amount of ponding in the reation kettle 1.

Referring to the attached figure 1 of the specification, a feed valve 3 is obliquely arranged at the upper end of a reaction kettle 1, the inlet end of the feed valve 3 is higher, a conical material guide pipe 15 is arranged at the inlet end of the feed valve 3, a filter screen 16 is arranged at the upper end of the conical material guide pipe 15,

the raw materials are placed in the conical material guide pipe 15, then the filter screen 16 is installed on the conical material guide pipe 15, the filter screen 16 can prevent external dust from entering the conical material guide pipe 15, and after the feed valve 3 is opened, the raw materials can enter the lower end of the reaction kettle 1 under the action of gravity.

Referring to the attached drawings 1, 2 and 3 of the specification, the stirrer 10 comprises a hollow pipeline 17, rolling bearings 18 are mounted on two sides of the hollow pipeline 17, the rolling bearings 18 are fixedly mounted on the inner side surface of the reaction kettle 1, a plurality of radiating pipes 19 are mounted on the hollow pipeline 17, a first gear 20 is mounted at one end of the hollow pipeline 17, a driving motor 21 is mounted on one side of the lower end of the reaction kettle 1, the rotating end of the driving motor 21 extends to the inner side of the reaction kettle 1, a second gear 22 is mounted at the rotating end of the driving motor 21, the second gear 22 is meshed with the first gear 20, a sealing bearing 23 is mounted at the crossing position of the driving motor 21 and the reaction kettle 1, a connecting pipe 24 is mounted at the upper end of the rolling bearings 18, and the heat conducting coil 8 is communicated with the hollow pipeline 17 through the connecting pipe 24,

the heat conducting coil 8 can make the heat conducting medium enter the inner side of the rolling bearing 18 through the connecting pipe 24, then the heat conducting medium can flow into the hollow pipeline 17 and the radiating pipe 19, the driving motor 21 is started to rotate, the driving motor 21 can drive the second gear 22 to rotate, the second gear 22 is meshed with the first gear 20, then the first gear 20 and the hollow pipeline 17 can be made to rotate, further the hollow pipeline 17 and the radiating pipe 19 can be made to be in full contact with the raw materials, the heating of the raw materials is facilitated, and the dehydration efficiency can be improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A vacuum dehydration reaction device for sorbitol production comprises a reaction kettle (1), wherein a discharge valve (2) is installed at the lower end of the reaction kettle (1), a feed valve (3) is installed on the reaction kettle (1), and the vacuum dehydration reaction device is characterized in that the reaction kettle (1) is provided with a vacuum dehydration reaction device,

the vacuum pumping mechanism comprises an isolation frame (4) fixedly arranged at the lower end in a reaction kettle (1), the isolation frame (4) can divide the reaction kettle (1) into two parts, a first electric valve (5) capable of being opened and closed is arranged on the isolation frame (4), a vacuum pump (6) is arranged at the upper end of the reaction kettle (1), a second electric valve (7) is arranged on the reaction kettle (1), the inlet end of the second electric valve (7) is positioned above the isolation frame (4), the inlet end of the vacuum pump (6) is connected with the second electric valve (7), the feed valve (3) is positioned below the isolation frame (4),

dehydration mechanism, dehydration mechanism is including installing heat conduction coil pipe (8) in reation kettle (1), circulation heater (9) are installed to reation kettle (1) outside lower extreme, heat conduction coil pipe (8) both ends and circulation heater (9) fixed connection, agitator (10) are installed to the lower extreme in reation kettle (1).

2. The vacuum dehydration reaction device for sorbitol production according to claim 1, wherein said isolation frame (4) comprises a separation table (11) fixedly installed at the inner lower end of the reaction kettle (1), said separation table (11) is opened with a ventilation port (12), and said first electric valve (5) is installed at the ventilation port (12).

3. The vacuum dehydration reaction apparatus for sorbitol production according to claim 2, characterized in that said heat conduction coil (8) is installed on the lower surface of the partition table (11).

4. The vacuum dehydration reaction device for sorbitol production according to claim 2, characterized in that said partition table (11) has a plurality of inclined drainage grooves (13) at its upper end, a collection groove (14) is formed at one side of the upper end of said partition table (11), and the inlet end of said second electric valve (7) is located at the collection groove (14).

5. The vacuum dehydration reaction device for sorbitol production according to claim 1, wherein said feeding valve (3) is installed at the upper end of the reaction kettle (1) in an inclined manner, the inlet end of said feeding valve (3) is higher, the inlet end of said feeding valve (3) is installed with a conical material guiding pipe (15), and the upper end of said conical material guiding pipe (15) is installed with a filter screen (16).

6. The vacuum dehydration reaction unit is used in sorbitol production according to claim 3, characterized in that, agitator (10) includes hollow pipe (17), antifriction bearing (18) is installed to hollow pipe (17) both sides, antifriction bearing (18) fixed mounting is at reation kettle (1) interior side surface, install a plurality of cooling tubes (19) on hollow pipe (17), first gear (20) are installed to hollow pipe (17) one end, driving motor (21) are installed to reation kettle (1) lower extreme one side, reation kettle (1) inboard is stretched to driving motor (21) rotatory end, second gear (22) are installed to driving motor (21) rotatory end, second gear (22) and first gear (20) meshing, sealed bearing (23) are installed with reation kettle (1) criss-cross position in driving motor (21), connecting pipe (24) are installed to antifriction bearing (18) upper end, heat conduction coil (8) communicate with hollow pipe (17) through connecting pipe (24).