CN211611668U

CN211611668U - Glycerol distillation device

Info

Publication number: CN211611668U
Application number: CN201921934017.9U
Authority: CN
Inventors: 倪震; 曾炜; 伍海辉
Original assignee: Anhui Kangning Oil Technology Co ltd
Current assignee: Anhui Kangning Oil Technology Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-10-02
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a glycerine distillation plant relates to glycerine processing technology field. Including outer evaporating pot, the heating cabinet of outer evaporating pot one side fixed and the condensing box of opposite side and the inside interior evaporating pot of outer evaporating pot, outer evaporating pot upper end is provided with first steam outlet and vacuum pump, sets up an outer zone of heating on the outer wall of interior evaporating pot, the heating cabinet is inside to set up the one deck zone of heating, and inside the liquid feeding pipe passed second pan feeding mouth and extended to outer evaporating pot, the inside upper end of condensing box is fixed with the condensing panel, and the inside condenser tube that is provided with of condensing panel adopts feed liquor pipe intercommunication between third pan feeding mouth and water pump. The utility model overcomes prior art's is not enough, reasonable in design, and convenient to use can carry out the circulation distillation to glycerine under the condition of effectively practicing thrift heat energy, reduces the incorporation of impurity in the glycerine distillation process simultaneously, improves the distilled controllability of glycerine and distillation efficiency.

Description

Glycerol distillation device

Technical Field

The utility model relates to a glycerine processing technology field especially relates to a glycerine distillation plant.

Background

Glycerol is glycerol and is the simplest trihydric alcohol. In nature, glycerol is widely present in animals and plants mainly in the form of glyceride, and a small amount of glycerol is contained in palm oil and other extremely small amounts of fats and oils. Glycerol is a by-product of soap industry and can also be prepared by fermenting molasses with special yeast. Or synthesizing glycerol by using propylene as a raw material. Glycerol is widely used as a chemical raw material for the manufacture of synthetic resins, plastics, paints, nitroglycerin, fats and oils, beeswax and the like, and also in the industries of pharmaceuticals, perfumes, cosmetics, sanitary products and the like.

The general preparation of glycerine mainly includes hydrolysis, water oil separating, alkali treatment, filtration, concentration, distillation and collection, wherein the distillation is mainly in order to carry out purification and edulcoration to glycerine, generally in order to guarantee the purity of glycerine often need to carry out repeated distillation condensation with glycerine, and traditional repeated distillation process adopts the continuous distillation of a plurality of distillation retort, or the mode of same distillation retort circular distillation, and the continuous distillation heat consumption of a plurality of distillation retorts is big, causes a large amount of energy waste, and the impurity that same distillation retort circular distillation easily made the distillation in-process remains inside the distillation retort, causes to go into miscellaneous repeatedly in the distillation process, influences glycerine quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems of large energy consumption and low efficiency of distillation and impurity removal in the prior art, and providing a glycerol distillation device.

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

a glycerin distillation device comprises an outer evaporation tank, a heating box fixed on one side of the outer evaporation tank, a condensing box on the other side of the outer evaporation tank and an inner evaporation tank inside the outer evaporation tank, wherein a first steam outlet and a vacuum pump are arranged at the upper end of the outer evaporation tank, the first steam outlet and the vacuum pump are respectively communicated with the inside of the outer evaporation tank, a base is fixed at the bottom of the outer evaporation tank, the inner evaporation tank is fixed on the base, the outer wall of one side of the inner evaporation tank coincides with the inner wall of one side of the outer evaporation tank, a third feeding port is arranged at the lower end of the coincident side wall to communicate the inner evaporation tank with the outside, an outer heating layer is arranged on the outer wall of the inner evaporation tank which does not coincide, a second steam outlet is arranged at the upper end of the inner evaporation tank, the second steam outlet is communicated with the first steam pipe through a second steam pipe, a first feeding port is arranged at the upper end, be provided with the second pan feeding mouth on the outer evaporating pot outer wall of heating cabinet below, heating cabinet bottom intercommunication has the liquid feeding pipe, inside the liquid feeding pipe passed the second pan feeding mouth and extended to outer evaporating pot, the condensing box top is provided with steam and collects the mouth, and the inside upper end of condensing box is fixed with the condenser plate, and the inside crooked condenser tube that is provided with of condenser plate, condenser plate one side links to each other with the inside lateral wall of condensing box, is provided with water inlet and delivery port on the outside lateral wall of condensing box, water inlet and delivery port are linked together with the condenser tube, the condensing box bottom is provided with the liquid outlet, is fixed with the water pump on the outer evaporating pot lateral wall, adopts the drain pipe to communicate between liquid outlet and water pump, adopt the feed liquor pipe intercommunication between third pan feeding mouth and water pump, just adopt first steam outlet and steam to collect the mouth and communicate.

Preferably, the inside heating rabbling mechanism that is provided with of interior evaporating pot is provided with the rotation motor in the base of interior evaporating pot bottom, heating rabbling mechanism includes the pivot, is fixed in the rotation horizontal pole of pivot upper end both sides and rotates the fixed many puddlers in horizontal pole below, the winding has the heating wire on the puddler, the pivot is passed interior evaporating pot bottom and is rotated the motor output shaft and be connected.

Preferably, interior evaporating pot inside is provided with heating rabbling mechanism, is provided with the rotation motor in the base of interior evaporating pot bottom, heating rabbling mechanism includes the pivot, crisscross many rotation horizontal poles that are fixed in the pivot both sides and the scraper blade that the pivot one end was fixed is kept away from to the rotation horizontal pole, scraper blade and interior evaporating pot inner wall sliding connection, the winding has the heating wire on the rotation horizontal pole, the pivot is passed interior evaporating pot bottom and is rotated the motor output shaft and be connected.

Preferably, a water level sensor is embedded in the side wall of the middle part of the inner evaporation tank, and the water level sensor is electrically connected with the rotating motor and the electric heating wire.

Preferably, the condensing plate is fixed with the side wall of the condensing box in an inclined downward shape.

Preferably, the liquid outlet pipe is fixed with the connector with the liquid outlet junction, the connector is provided with the internal thread, and the liquid outlet is provided with the external screw thread, connector and liquid outlet threaded connection.

Compared with the prior art, the utility model provides a glycerine distillation plant possesses following beneficial effect:

1. through the setting of interior evaporating pot, outer evaporating pot and condensing box, can realize carrying out a lot of distillated processing to glycerine, adopt outer zone of heating as the heat source simultaneously, can heat simultaneously to interior evaporating pot and outer evaporating pot, reduce heat loss, promote heat utilization ratio to the preliminary distillation of glycerine is realized in outer evaporating pot, and later need the cyclic distillation to realize in interior evaporating pot, prevents that remaining impurity from mixing in the glycerine after the circulation after the first evaporation, promotes the glycerine quality.

2. Can preheat glycerine through setting up of heating cabinet, vacuum pump, carry out evacuation processing to external evaporating pot simultaneously, make glycerine get into and take place the flash distillation in the external evaporating pot, promote evaporation efficiency.

3. Through the setting of pivot, rotation horizontal pole, heating wire and water level inductor, can make in the circulation evaporation process stirring and heating by pivot, rotation horizontal pole, heating wire under the too much condition of interior evaporating pot liquid, promote distillation efficiency.

The device does not relate to the part and all is the same with prior art or can adopt prior art to realize, the utility model relates to a rationally, convenient to use can carry out the circulation distillation to glycerine under the condition of effectively practicing thrift heat energy, reduces mixing of impurity in the glycerine distillation process simultaneously, improves the distilled controllability of glycerine and distillation efficiency.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of embodiment 1 of the present invention;

fig. 2 is a schematic top view of a cross-sectional structure according to embodiment 1 of the present invention;

FIG. 3 is a schematic view of a front cross-sectional structure of an inner evaporation tank in embodiment 1 of the present invention;

fig. 4 is a schematic view of a front sectional structure of an inner evaporation tank in embodiment 2 of the present invention.

In the figure: 1 outer evaporating pot, 2 heating chambers, 3 condensing chambers, 4 inner evaporating pots, 5 first feeding ports, 6 liquid feeding pipes, 7 second feeding ports, 8 vacuum pumps, 9 first steam outlets, 10 first steam pipes, 11 steam collecting ports, 12 condensing plates, 13 liquid outlets, 14 connectors, 15 liquid outlet pipes, 16 water pumps, 17 liquid inlet pipes, 18 third feeding ports, 19 rotating motors, 20 bases, 21 second steam pipes, 22 inner heating layers, 23 second steam outlets, 24 outer heating layers, 25 water level sensors, 26 rotating shafts, 27 rotating cross rods, 28 stirring rods, 29 heating wires, 30 scraping plates, 31 cooling water pipes, 32 water inlets and 33 water outlets.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only 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 therefore, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-3, a glycerin distilling apparatus, comprises an outer evaporating pot 1, a heating box 2 fixed on one side of the outer evaporating pot 1, a condensing box 3 on the other side and an inner evaporating pot 4 inside the outer evaporating pot 1, wherein the upper end of the outer evaporating pot 1 is provided with a first steam outlet 9 and a vacuum pump 8, the first steam outlet 9 and the vacuum pump 8 are respectively communicated with the inside of the outer evaporating pot 1, the bottom of the outer evaporating pot 1 is fixed with a base 20, the inner evaporating pot 4 is fixed on the base 20, the outer wall on one side of the inner evaporating pot 4 coincides with the inner wall on one side of the outer evaporating pot 1, the lower end of the coincident side wall is provided with a third feeding port 18 for communicating the inner evaporating pot 4 and the outside, an outer heating layer 24 is arranged on the outer wall of the inner evaporating pot 4 which does not coincide, the upper end of the inner evaporating pot 4 is provided with a second steam outlet 23, the second steam outlet 23 is communicated with the first, the upper end of the heating box 2 is provided with a first feeding port 5, the side wall of the interior of the heating box 2 is provided with an inner heating layer 22, the outer wall of the outer evaporation tank 1 below the heating box 2 is provided with a second feeding port 7, the bottom of the heating box 2 is communicated with a liquid feeding pipe 6, the liquid feeding pipe 6 passes through the second feeding port 7 and extends to the interior of the outer evaporation tank 1, the top end of the condensation box 3 is provided with a steam collecting port 11, the upper end of the interior of the condensation box 3 is fixedly provided with a condensation plate 12, the interior of the condensation plate 12 is provided with a bent cooling water pipe 31, one side of the condensation plate 12 is connected with the side wall of the interior of the condensation box 3, the side wall of the exterior of the condensation box 3 is provided with a water inlet 32 and a water outlet 33, the water inlet 32 and the water outlet 33 are communicated with the cooling water pipe 31, the bottom of the condensation box 3, the third feeding port 18 is communicated with the water pump 16 through a liquid inlet pipe 17, and the first steam outlet 9 is communicated with the steam collecting port 11 through a first steam pipe 10.

In order to promote the evaporation efficiency of interior evaporating pot 4, it is preferred, the inside heating rabbling mechanism that is provided with of interior evaporating pot 4 is provided with rotation motor 19 in the base 20 of interior evaporating pot 4 bottom, heating rabbling mechanism includes pivot 26, is fixed in the rotation horizontal pole 27 of pivot 26 upper end both sides and rotates the fixed many puddlers 28 in horizontal pole 27 below, the winding has heating wire 29 on the puddler 28, pivot 26 passes interior evaporating pot 4 bottom and rotates motor 19 output shaft and be connected.

In order to reduce the heat loss during the evaporation process of the glycerin in the inner evaporation tank 4, it is preferable that a water level sensor 25 is embedded in the side wall of the middle portion of the inner evaporation tank 4, and the water level sensor 25 is electrically connected to the rotating motor 19 and the heating wire 29.

In order to accelerate the collection of the condensate, the condensation plate 12 is preferably fixed to the side wall of the condensation chamber 3 in an inclined downward manner.

In order to collect and circulate the condensate, preferably, a connector 14 is fixed at the joint of the liquid outlet pipe 15 and the liquid outlet 13, the connector 14 is provided with an internal thread, the liquid outlet 13 is provided with an external thread, and the connector 14 is in threaded connection with the liquid outlet 13.

Example 2:

as shown in fig. 4, this embodiment is substantially the same as embodiment 1, preferably, a heating and stirring mechanism is disposed inside the inner evaporation tank 4, a rotating motor 19 is disposed inside a base 20 at the bottom of the inner evaporation tank 4, the heating and stirring mechanism includes a rotating shaft 26, a plurality of rotating cross bars 27 fixed on two sides of the rotating shaft 26 in a staggered manner, and a scraper 30 fixed at one end of the rotating cross bar 27 far away from the rotating shaft 26, the scraper 30 is slidably connected with the inner wall of the inner evaporation tank 4, an electric heating wire 29 is wound on the rotating cross bar 27, and the rotating shaft 26 penetrates through the bottom of the inner evaporation tank 4 and is connected with an output shaft. Can prevent effectively that glycerine from heating inhomogeneously in distillation process, prevent simultaneously that glycerine from receiving the lateral wall heating after to remain on the lateral wall and influence the heating effect.

The working principle is as follows: when the condensing device is used, firstly, the outer evaporating pot 1 is vacuumized by the vacuum pump 8, glycerol to be distilled is added into the heating box 2 through the first feeding port 5, the inner heating layer 22 is used for heating, the outer heating layer 24 is electrified for heating, after the glycerol is heated, the second feeding port 7 is opened to enable the heated glycerol to enter the outer evaporating pot 1, the glycerol is subjected to the influence of the air pressure and the temperature in the outer evaporating pot 1 to be subjected to flash evaporation, steam enters the condensing box 3 through the first steam pipe 10, meanwhile, a water pipe is connected into the water inlet 32, cold water is discharged from the water outlet 33 after passing through the cooling water pipe 31 in the condensing plate 12, the steam falls below the condensing box 3 after being cooled by the condensing plate 12, when the condensed glycerol is accumulated more, the liquid outlet 13 and the water pump 16 are opened, the condensed glycerol is pumped into the inner evaporating pot 4 through the third feeding port 18, and the condensed glycerol is heated by the outer heating layer 24 in the inner evaporating pot 4 to be evaporated, steam enters the condensing box 3 through the second steam pipe 21 and the first steam pipe 10 to circulate, if the condensing speed is too high, after the condensed glycerol in the inner evaporating pot 4 is gathered to a large extent and is submerged in the water level sensor 25, the rotating motor 19 is started to drive the rotating shaft 26, the rotating cross rod 27 and the scraping plate 30 to rotate, meanwhile, the heating wire 29 is heated, the distillation of the glycerol is accelerated, after the distillation is completed, the liquid outlet 13 and the connector 14 are unscrewed, and the distilled glycerol is collected from the liquid outlet 13.

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 glycerol distillation device comprises an outer evaporation tank (1), a heating box (2) fixed on one side of the outer evaporation tank (1), a condensing box (3) on the other side of the outer evaporation tank (1) and an inner evaporation tank (4) inside the outer evaporation tank (1), and is characterized in that a first steam outlet (9) and a vacuum pump (8) are arranged at the upper end of the outer evaporation tank (1), the first steam outlet (9) and the vacuum pump (8) are respectively communicated with the inside of the outer evaporation tank (1), a base (20) is fixed at the bottom of the outer evaporation tank (1), the inner evaporation tank (4) is fixed on the base (20), the outer wall of one side of the inner evaporation tank (4) coincides with the inner wall of one side of the outer evaporation tank (1), the lower end of the coincident side wall is provided with a third feeding port (18) for communicating the inner evaporation tank (4) with the outside, and an outer heating layer (24) is arranged on the outer wall of the inner evaporation tank (, a second steam outlet (23) is arranged at the upper end of the inner evaporation tank (4), the second steam outlet (23) is communicated with the first steam outlet (9) through a second steam pipe (21), a first feeding port (5) is arranged at the upper end of the heating box (2), an inner heating layer (22) is arranged on the inner side wall of the heating box (2), a second feeding port (7) is arranged on the outer wall of the outer evaporation tank (1) below the heating box (2), a liquid feeding pipe (6) is communicated with the bottom of the heating box (2), the liquid feeding pipe (6) penetrates through the second feeding port (7) and extends to the inside of the outer evaporation tank (1), a steam collecting port (11) is arranged at the top end of the condensation box (3), a condensation plate (12) is fixed at the inner upper end of the condensation box (3), a bent cooling water pipe (31) is arranged inside the condensation plate (12), one side of the condensation plate (12) is connected with the inner side wall of the condensation box, be provided with water inlet (32) and delivery port (33) on condensing box (3) outside lateral wall, water inlet (32) and delivery port (33) are linked together with cooling water pipe (31), condensing box (3) bottom is provided with liquid outlet (13), is fixed with water pump (16) on outer evaporating pot (1) lateral wall, adopts drain pipe (15) to communicate between liquid outlet (13) and water pump (16), adopt feed liquor pipe (17) intercommunication between third pan feeding mouth (18) and water pump (16), just adopt first steam pipe (10) to communicate between first steam outlet (9) and steam collection mouth (11).

2. A glycerol distillation unit according to claim 1, wherein: interior evaporating pot (4) inside is provided with heating rabbling mechanism, is provided with in base (20) of interior evaporating pot (4) bottom and rotates motor (19), heating rabbling mechanism includes pivot (26), is fixed in rotation horizontal pole (27) of pivot (26) upper end both sides and rotates many puddlers (28) that horizontal pole (27) below is fixed, the winding has heating wire (29) on puddler (28), evaporating pot (4) bottom is connected with rotation motor (19) output shaft in pivot (26) passes.

3. A glycerol distillation unit according to claim 1, wherein: interior evaporating pot (4) inside is provided with heating rabbling mechanism, is provided with in base (20) of interior evaporating pot (4) bottom and rotates motor (19), heating rabbling mechanism includes pivot (26), crisscross many rotation horizontal pole (27) that are fixed in pivot (26) both sides and rotation horizontal pole (27) keep away from fixed scraper blade (30) of pivot (26) one end, scraper blade (30) and interior evaporating pot (4) inner wall sliding connection, the winding has heating wire (29) on rotation horizontal pole (27), evaporating pot (4) bottom is connected with rotation motor (19) output shaft in pivot (26) passes.

4. A glycerol distillation unit according to claim 2 or 3, wherein: a water level sensor (25) is embedded on the side wall of the middle part of the inner evaporation tank (4), and the water level sensor (25) is electrically connected with the rotating motor (19) and the electric heating wire (29).

5. A glycerol distillation unit according to claim 1, wherein: the condensing plate (12) and the side wall of the condensing box (3) are fixed in an inclined downward shape.

6. A glycerol distillation unit according to claim 1, wherein: drain pipe (15) and liquid outlet (13) junction are fixed with connector (14), connector (14) are provided with the internal thread, and liquid outlet (13) are provided with the external screw thread, connector (14) and liquid outlet (13) threaded connection.