Production process of distilled glycerin monostearate

Abstract

The invention discloses a production process of distilled glycerin monostearate. The production process comprises the following specific steps: S1, mixing glycerin and hydrogenated oil, and pumping the mixture into a reaction kettle; s2, pumping monoester and diester generated by reaction, part of residual raw material glycerol and hydrogenated oil into a glycerol separation tank through a reaction kettle delivery pump; s3, pumping the mixture into a film evaporator; in the step S3, the film evaporator comprises an inner barrel, a trowelling mechanism, a cleaning mechanism and a cleaning mechanism are arranged in the inner barrel at the same time, the cleaning mechanism comprises a main supporting rod, the main supporting rod is movably connected into the inner barrel, the bottom end of the main supporting rod is fixedly connected with a first stepping motor, and the outer wall of the middle section of the main supporting rod is fixedly connected with a bearing seat. The inner wall of the bearing seat is connected with a fluted disc, the outer wall of the top end of the fluted disc is symmetrically and movably connected with two linkage rods, and the production process for distilling glycerin monostearate disclosed by the invention has the effect of quickly cleaning the inner wall of equipment while the evaporation of a mixture film is not influenced.

Description

Technical Field

[0001] The invention relates to the technical field of glyceryl monostearate production, in particular to a production process of distilled glyceryl monostearate. Background Art

[0002] Glyceryl monostearate is an organic compound. According to the name of the main fatty acid, monoglycerides can be divided into monostearate, monolaurate, monooleate, etc. Among them, monostearate has the largest output and the most applications. Monoglycerides are generally oily, greasy or waxy, with a light yellow or ivory color, and a greasy or tasteless smell. This is related to the size and saturation of the fat group, and has excellent sensory properties.

[0003] During the production process of glyceryl monostearate, the glycerol mixture needs to be distilled. When the mixture enters the thin film evaporator, due to the viscosity of the ester mixture, during the thin film heating evaporation process, after the evaporation is completed, some residues will remain on the inner wall of the inner cylinder, thus affecting the subsequent contact between the mixture and the heat energy. The existing thin film evaporator cannot be cleaned quickly, and the device needs to be cleaned after a round of evaporation. The cleaning process is cumbersome and inefficient. If a cleaning structure that fits the inner wall of the inner cylinder is directly set in the equipment, the structure will affect the film formation of the mixture. Summary of the invention

[0004] The invention discloses a production process for distilling glyceryl monostearate, aiming to solve the technical problem that the existing thin film evaporator cannot be quickly cleaned, the device needs to be cleaned after one round of evaporation is completed, the cleaning process is cumbersome and the efficiency is low.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A production process for distilling glyceryl monostearate comprises the following specific steps:

[0007] S1: Glycerin and hydrogenated oil are mixed at 100-150°C and pumped into a reactor, a catalyst is added, and high-pressure steam is turned on. The temperature of the reactor is controlled to be above 200°C and the pressure is about 0.5KPa through a steam regulating valve. Glycerin and hydrogenated oil undergo an ester exchange reaction under the action of the catalyst until the monoglyceride content is qualified;

[0008] S2: The monoesters and diesters generated by the reaction and some residual raw material glycerin and hydrogenated oil are pumped into the glycerin separation tank through the reactor delivery pump. The glycerin and esters are separated according to the difference in specific gravity. The separated glycerin at the bottom is pumped into the regulating tank for further mixing before entering the reactor. The ester mixture at the top enters the distillation process.

[0009] S3: The mixture is pumped into a thin film evaporator, the temperature is set at 200°C, the pressure is -0.098MPa, and under high vacuum conditions, the glycerol is vaporized and condensed and collected back into the regulating tank, and the heavy component is pumped into the primary molecular distillation.

[0010] S4: The light components obtained from the primary molecular distillation enter the secondary molecular distillation, and the light components obtained from the secondary molecular distillation enter the secondary thin film evaporator. The recombinant components obtained from the secondary thin film evaporator are distilled into the monostearate glyceryl product, which is cooled and transported to the monoglyceride tank area for temporary storage;

[0011] S5: pumping the distilled glyceryl monostearate in the storage tank into the granulation workshop for granulation and packaging;

[0012] In S3, the thin film evaporator includes an inner cylinder, and a smoothing mechanism, a cleaning mechanism and a washing mechanism are arranged in the inner cylinder at the same time, the cleaning mechanism includes a main support rod, and the main support rod is movably connected to the inner cylinder, the bottom end of the main support rod is fixedly connected to a first stepper motor, the middle outer wall of the main support rod is fixedly connected to a bearing seat, and the inner wall of the bearing seat is connected to a gear plate, the top outer wall of the gear plate is symmetrically and movably connected to two linkage rods, and the opposite ends of the two linkage rods are respectively connected to oblique scrapers through support blocks;

[0013] The outer wall of the toothed disc is movably meshed with a gear, and the bottom end of the gear is fixedly connected to a second stepping motor, and the gear is connected to the outside of the main support rod through the first support plate;

[0014] The outer walls of the two oblique scrapers on the opposite side are respectively fixedly connected with the limiting plug rods, the outer wall of the main support rod is fixedly connected with the limiting plug block, and the limiting plug rod is movably inserted into the limiting plug block.

[0015] A cleaning mechanism is provided, in which the main support rod is driven to rotate by the first stepper motor, and the inner surface of the inner cylinder is cleaned by the two oblique scrapers. When thin film evaporation is performed, the gear can be driven to rotate by the second stepper motor, thereby rotating the electric gear plate. The two oblique scrapers can be retracted by the linkage of the linkage rod and the limiting of the limiting plug rod. Under this structure, the inner wall of the equipment can be quickly cleaned without affecting the thin film evaporation of the mixture, thereby avoiding affecting the heating efficiency.

[0016] In a preferred embodiment, an outer cylinder is provided on the outside of the inner cylinder, and a heater is provided between the outer cylinder and the inner cylinder, the top inner wall of the inner cylinder is tightly connected with an exhaust pipe, and the bottom end of the inner cylinder is provided with a waste outlet, the top outer wall of the inner cylinder is fixedly connected with a feed port, and a conical guide block is provided at the middle position of the feed port, and the smoothing mechanism includes two groups of first curved surface smoothing plates and second curved surface smoothing plates, and the connection points of the first curved surface smoothing plates and the second curved surface smoothing plates respectively correspond to the setting positions of the oblique scraper plates, and the outer walls of the opposite sides of the two groups of the first curved surface smoothing plates and the second curved surface smoothing plates are respectively fixedly connected with clamping blocks, and the clamping blocks are movably clamped in the clamping grooves, and a spring is provided between the clamping block and the clamping groove, and the outer walls of one side of the plurality of the clamping grooves are fixedly connected with a first connecting plate, and a double-headed gas rod and a limiting sleeve are simultaneously provided between the two first connecting plates arranged oppositely, and the top outer walls of the two double-headed gas rods are fixed to the outside of the main support rod through the second connecting plate.

[0017] By providing a smoothing mechanism, when the cleaning mechanism is in the retracted state, the first curved smoothing plate and the second curved smoothing plate of each group can be combined together under the action of the spring and keep a certain distance from the inner wall of the inner cylinder to assist the flowing mixture to contact the inner wall of the inner cylinder evenly.

[0018] In a preferred embodiment, the cleaning mechanism includes a liquid storage tank, and the liquid storage tank is arranged in the main support rod, a second support plate is fixedly connected to the liquid storage tank, and an agitator is movably connected to the inner wall of the top end of the second support plate, one end of the agitator is fixedly connected to a third stepper motor, and the third stepper motor is located on the other side of the second support plate, a first liquid pipe is tightly connected to the top end of the liquid storage tank, a second liquid pipe is fixedly connected to the inner wall of the liquid storage tank, an outer wall of the main support rod is fixedly connected to a mounting frame, and part of the second liquid pipe is arranged in the mounting frame, and a plurality of high-pressure nozzles are connected to the second liquid pipe in the mounting frame with equal density.

[0019] By providing a cleaning mechanism, the cleaning liquid continuously enters the liquid storage tank through the first liquid pipe and is continuously stirred by the agitator, thereby ensuring that the sprayed cleaning liquid has no sediment accumulation. At the same time, the cleaning liquid is extracted by multiple high-pressure nozzles and sprayed on the inner wall of the inner cylinder to clean the residue, assisted by the staggered cleaning of the oblique scraper, thereby further ensuring the cleaning effect of the inner wall of the inner cylinder.

[0020] As can be seen from the above, a production process for distilling monostearate glyceryl includes the following specific steps S1: glycerol and hydrogenated oil are mixed at 100-150°C and then pumped into a reactor, a catalyst is added, high-pressure steam is turned on, and the temperature of the reactor is controlled to be above 200°C and the pressure is about 0.5KPa through a steam regulating valve. Glycerol and hydrogenated oil undergo an ester exchange reaction under the action of the catalyst and react until the monoglyceride content is qualified; S2: the mono- and diesters generated by the reaction and part of the residual raw material glycerol and hydrogenated oil are pumped into a glycerol separation tank through a reactor delivery pump, and glycerol and esters are separated according to the difference in specific gravity. The separated glycerol at the bottom is pumped into an adjusting tank for further mixing and then enters the reactor, and the ester mixture at the top enters the distillation process; S3: the mixture is pumped into a thin film evaporator, and the temperature is set to 200°C and the pressure is -0.098MPa. Under high vacuum conditions, the glycerol is vaporized and condensed and collected back into the adjusting tank, and the heavy component is pumped into a primary molecular distillation. S4: the light components obtained by the primary molecular distillation enter the secondary molecular distillation, the light components obtained by the secondary molecular distillation enter the secondary thin film evaporator, the recombinant components obtained by the secondary thin film evaporator are distilled monostearate glyceryl products, which are transported to the monoglyceride tank area for temporary storage after cooling; S5: the distilled monostearate glyceryl in the storage tank is pumped into the granulation workshop for granulation and packaging; in S3, the thin film evaporator includes an inner cylinder, and a smoothing mechanism, a cleaning mechanism and a washing mechanism are arranged in the inner cylinder at the same time, the washing mechanism includes a main support rod, and the main support rod is movably connected to the inner cylinder, and the bottom end of the main support rod is fixed A first stepper motor is fixedly connected, a bearing seat is fixedly connected to the outer wall of the middle section of the main support rod, and a toothed disc is connected to the inner wall of the bearing seat, and two linkage rods are symmetrically and movably connected to the outer wall of the top end of the toothed disc, and the opposite ends of the two linkage rods are respectively connected to oblique scrapers through support blocks; a gear is movably engaged on the outer wall of the toothed disc, and a second stepper motor is fixedly connected to the bottom end of the gear, and the gear is connected to the outside of the main support rod through the first support plate; the outer walls of the opposite sides of the two oblique scrapers are respectively fixedly connected to limited plug rods, and the outer wall of the main support rod is fixedly connected to the limited plug block, and the limited plug rod is movably inserted into the limited plug block. The production process of distilling monostearate glyceryl provided by the present invention has the technical effect of realizing rapid cleaning of the inner wall of the equipment without affecting the evaporation of the mixture film, thereby avoiding affecting the heating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The present invention provides a schematic diagram of the overall structure of a thin film evaporator for the production process of distilling glyceryl monostearate.

[0022] Figure 2 This is an overall cross-sectional view of a thin film evaporator for a production process of distilling glyceryl monostearate proposed by the present invention.

[0023] Figure 3 A schematic diagram of the internal structure of a thin film evaporator for a production process of distilling glyceryl monostearate proposed by the present invention.

[0024] Figure 4 The present invention provides a schematic structural diagram of a cleaning mechanism for a thin film evaporator in a production process for distilling glyceryl monostearate.

[0025] Figure 5 A production process for distilling glyceryl monostearate proposed by the present invention Figure 4 Schematic diagram of the enlarged structure at position A in the middle.

[0026] Figure 6 The present invention provides a schematic diagram of the disassembly of the flattened structure of a thin film evaporator for the production process of distilling glyceryl monostearate.

[0027] Figure 7 The present invention provides a schematic structural diagram of a cleaning mechanism for a thin film evaporator in a production process for distilling glyceryl monostearate.

[0028] In the figure: 1, outer cylinder; 2, feed port; 3, exhaust pipe; 4, cone guide block; 5, waste outlet; 6, smoothing mechanism; 7, cleaning mechanism; 8, cleaning mechanism; 9, heater; 10, inner cylinder; 601, first arc surface smoothing plate; 602, second arc surface smoothing plate; 603, spring; 604, clamping block; 605, clamping groove; 606, first connecting plate; 607, limiting sleeve; 608, double-headed gas rod; 609, second connecting plate; 701, oblique scraper; 70 2. Limiting rod; 703. Limiting block; 704. Main support rod; 705. First stepping motor; 706. Support block; 707. Linking rod; 708. Toothed disc; 709. Bearing seat; 710. Second stepping motor; 711. First support plate; 712. Gear; 801. First liquid pipe; 802. Liquid storage tank; 803. Agitator; 804. Second liquid pipe; 805. Second support plate; 806. Third stepping motor; 807. Mounting bracket; 808. High-pressure nozzle. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0030] The production process of distilled glyceryl monostearate disclosed in the present invention is mainly applied to the production scenario of distilled glyceryl monostearate.

[0031] Reference Figure 1-Figure 5A production process for distilling monostearate glyceryl includes the following specific steps: S1: glycerol and hydrogenated oil are mixed at 100-150°C and pumped into a reactor, a catalyst is added, high-pressure steam is turned on, and the temperature of the reactor is controlled to be above 200°C and the pressure is about 0.5KPa through a steam regulating valve. Glycerol and hydrogenated oil undergo ester exchange reaction under the action of the catalyst until the monoglyceride content is qualified; S2: the mono- and diesters generated by the reaction and part of the residual raw material glycerol and hydrogenated oil are pumped into a glycerol separation tank through a reactor delivery pump. Glycerol and ester are separated according to the difference in specific gravity. The separated glycerol at the bottom is pumped into an adjusting tank for further mixing and then enters the reactor, and the ester mixture at the top enters the distillation process; S3: the mixture is pumped into a thin film evaporator, the temperature is set to 200°C and the pressure is -0.098MPa. Under high vacuum conditions, the glycerol is vaporized and condensed and collected back into the adjusting tank, and the heavy component is pumped into a primary molecular distillation. S4: the light components obtained by the primary molecular distillation enter the secondary molecular distillation, the light components obtained by the secondary molecular distillation enter the secondary thin film evaporator, the recombinant components obtained by the secondary thin film evaporator are distilled monostearate glyceryl products, which are transported to the monoglyceride tank area for temporary storage after cooling; S5: the distilled monostearate glyceryl in the storage tank is pumped into the granulation workshop for granulation and packaging; in S3, the thin film evaporator includes an inner cylinder 10, and the inner cylinder 10 is also provided with a smoothing mechanism 6, a cleaning mechanism 7 and a cleaning mechanism 8, The cleaning mechanism 7 includes a main support rod 704, and the main support rod 704 is movably connected to the inner cylinder 10, the bottom end of the main support rod 704 is fixedly connected to a first stepper motor 705, the middle outer wall of the main support rod 704 is fixedly connected to a bearing seat 709, and the inner wall of the bearing seat 709 is connected to a toothed disc 708, the top outer wall of the toothed disc 708 is symmetrically movably connected to two linkage rods 707, and the opposite ends of the two linkage rods 707 are respectively connected to an oblique scraper 701 through a support block 706; the toothed disc 708 The outer wall of the two oblique scrapers 701 is movably meshed with a gear 712, and the bottom end of the gear 712 is fixedly connected to a second stepping motor 710, and the gear 712 is connected to the outside of the main support rod 704 through the first support plate 711; the outer walls of the opposite sides of the two oblique scrapers 701 are respectively fixedly connected to the limited insertion rod 702, and the outer wall of the main support rod 704 is fixedly connected to the limited insertion block 703, and the limited insertion rod 702 is movably inserted into the limited insertion block 703. In the cleaning mechanism 7, the main support rod 704 is driven to rotate by the first stepping motor 705 The inner surface of the inner cylinder 10 is cleaned by the two oblique scrapers 701. When thin film evaporation is performed, the gear 712 can be driven to rotate by the second stepping motor 710, so that the electric gear plate 708 rotates. The two oblique scrapers 701 can be retracted by the linkage of the linkage rod 707 and the limiting of the limiting plug rod 702. Under this structure, the inner wall of the equipment can be quickly cleaned without affecting the evaporation of the mixture thin film, thereby avoiding affecting the heating efficiency.

[0032] Reference Figure 1-Figure 3In a preferred embodiment, an outer cylinder 1 is provided on the outside of the inner cylinder 10, and a heater 9 is provided between the outer cylinder 1 and the inner cylinder 10, the top inner wall of the inner cylinder 10 is tightly connected with the exhaust pipe 3, and the bottom end of the inner cylinder 10 is provided with a waste outlet 5, the top outer wall of the inner cylinder 10 is fixedly connected with the feed port 2, and a cone guide block 4 is provided in the middle position of the feed port 2.

[0033] Reference Figure 6 In a preferred embodiment, the smoothing mechanism 6 includes two sets of first curved surface smoothing plates 601 and second curved surface smoothing plates 602, and the connection points of the first curved surface smoothing plates 601 and the second curved surface smoothing plates 602 correspond to the setting positions of the oblique scrapers 701 respectively.

[0034] Reference Figure 6 In a preferred embodiment, the outer walls of the opposite sides of the two sets of first curved surface trowel plates 601 and second curved surface trowel plates 602 are respectively fixedly connected with a clamping block 604, and the clamping block 604 is movably clamped in the clamping groove 605, and a spring 603 is arranged between the clamping block 604 and the clamping groove 605.

[0035] Reference Figure 6 In a preferred embodiment, a first connecting plate 606 is fixedly connected to the outer wall of one side of the plurality of snap-in grooves 605, and a double-headed gas rod 608 and a limiting sleeve 607 are simultaneously provided between the two first connecting plates 606 arranged opposite to each other, and the top outer walls of the two double-headed gas rods 608 are fixed to the outside of the main support rod 704 through a second connecting plate 609. In the retracted state of the cleaning mechanism 7, the first curved surface trowel plate 601 and the second curved surface trowel plate 602 of each group can be ensured to be merged together under the action of the spring 603, and a certain distance is retained from the inner wall of the inner cylinder 10 to assist the flowing mixture to contact the inner wall of the inner cylinder 10 uniformly. When cleaning is required, the two groups of first curved surface trowel plates 601 and second curved surface trowel plates 602 can be driven to retract under the action of the double-headed gas rod 608, and synchronously, the two oblique scrapers 701 are extended to separate the first curved surface trowel plate 601 and the second curved surface trowel plate 602, so that the inner wall of the inner cylinder 10 can be cleaned.

[0036] Reference Figure 7 In a preferred embodiment, the cleaning mechanism 8 includes a liquid storage tank 802, and the liquid storage tank 802 is arranged in the main support rod 704, a second support plate 805 is fixedly connected to the liquid storage tank 802, and the top inner wall of the second support plate 805 is movably connected to the agitator 803.

[0037] Reference Figure 7In a preferred embodiment, one end of the agitator 803 is fixedly connected to a third stepper motor 806 , and the third stepper motor 806 is located on the other side of the second support plate 805 , and the top of the liquid storage tank 802 is tightly connected to the first liquid passage 801 .

[0038] Reference Figure 7 In a preferred embodiment, the inner wall of the liquid storage tank 802 is fixedly connected with a second liquid pipe 804, the outer wall of the main support rod 704 is fixedly connected with a mounting frame 807, and part of the second liquid pipe 804 is arranged in the mounting frame 807, and the second liquid pipe 804 in the mounting frame 807 is evenly connected with multiple high-pressure nozzles 808. The cleaning liquid continuously enters the liquid storage tank 802 through the first liquid pipe 801 and is continuously stirred by the agitator 803, which can ensure that the sprayed cleaning liquid has no sediment accumulation. At the same time, the cleaning liquid is extracted by multiple high-pressure nozzles 808 and sprayed on the inner wall of the inner cylinder 10 to clean the residue, assisted by the staggered cleaning of the oblique scraper 701, thereby further ensuring the cleaning effect of the inner wall of the inner cylinder 10.

[0039] Working principle: During the distillation process using the thin film evaporator, the main support rod 704 is driven to rotate by the first stepper motor 705, and the inner surface of the inner cylinder 10 is cleaned by the arrangement of two oblique scrapers 701. When the thin film evaporation is performed, the gear 712 can be driven to rotate by the second stepper motor 710, so that the electric gear plate 708 rotates. The two oblique scrapers 701 can be retracted by the linkage of the linkage rod 707 and the limiting of the limiting plug rod 702. Under this structure, the inner wall of the equipment can be quickly cleaned without affecting the thin film evaporation of the mixture, thereby avoiding affecting the heating efficiency. At the same time, in the retracted state of the cleaning mechanism 7, the first curved surface smearing plate 601 and the second curved surface smearing plate 602 of each group can be ensured to be merged together and with the inner cylinder 10 under the action of the spring 603. A certain distance is reserved on the inner wall to assist the flowing mixture to contact evenly with the inner wall of the inner cylinder 10. When cleaning is needed, the two sets of first curved surface trowel plates 601 and second curved surface trowel plates 602 can be driven to retract under the action of the double-headed gas rod 608. Synchronously, the two oblique scrapers 701 are extended to separate the first curved surface trowel plates 601 and the second curved surface trowel plates 602, so that the inner wall of the inner cylinder 10 can be cleaned. In addition, the cleaning liquid continuously enters the liquid storage tank 802 through the first liquid pipe 801 and is continuously stirred by the agitator 803, which can ensure that the sprayed cleaning liquid has no sediment accumulation. At the same time, the cleaning liquid is extracted by multiple high-pressure nozzles 808 and sprayed on the inner wall of the inner cylinder 10 to clean the residue, assisted by the staggered cleaning of the oblique scrapers 701, thereby further ensuring the cleaning effect of the inner wall of the inner cylinder 10.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A production process for distilling glyceryl monostearate, characterized in that: The specific steps include: S1: Glycerin and hydrogenated oil are mixed at 100-150°C and pumped into a reactor, a catalyst is added, and high-pressure steam is turned on. The temperature of the reactor is controlled to be above 200°C and the pressure is about 0.5KPa through a steam regulating valve. Glycerin and hydrogenated oil undergo an ester exchange reaction under the action of the catalyst until the monoglyceride content is qualified; S2: The monoesters and diesters generated by the reaction and some residual raw material glycerin and hydrogenated oil are pumped into the glycerin separation tank through the reactor delivery pump. The glycerin and esters are separated according to the difference in specific gravity. The separated glycerin at the bottom is pumped into the regulating tank for further mixing before entering the reactor. The ester mixture at the top enters the distillation process. S3: The mixture is pumped into a thin film evaporator, and the temperature is set at 200°C and the pressure is -0.098MPa. Under high vacuum conditions, the glycerol is vaporized and condensed and collected back into the regulating tank, and the heavy component is pumped into the first-level molecular distillation. S4: The light components obtained from the primary molecular distillation enter the secondary molecular distillation, and the light components obtained from the secondary molecular distillation enter the secondary thin film evaporator. The recombinant components obtained from the secondary thin film evaporator are distilled into the monostearate glyceryl product, which is cooled and transported to the monoglyceride tank area for temporary storage; S5: pumping the distilled glyceryl monostearate in the storage tank into the granulation workshop for granulation and packaging; In S3, the thin film evaporator comprises an inner cylinder (10), and a smoothing mechanism (6), a cleaning mechanism (7) and a washing mechanism (8) are arranged in the inner cylinder (10), the cleaning mechanism (7) comprises a main support rod (704), and the main support rod (704) is movably connected to the inner cylinder (10), the bottom end of the main support rod (704) is fixedly connected to a first stepper motor (705), the middle section outer wall of the main support rod (704) is fixedly connected to a bearing seat (709), and the inner wall of the bearing seat (709) is connected to a toothed disc (708), the top outer wall of the toothed disc (708) is symmetrically and movably connected to two linkage rods (707), and the opposite ends of the two linkage rods (707) are respectively connected to oblique scrapers (701) through support blocks (706); The outer wall of the toothed disc (708) is movably meshed with a gear (712), and the bottom end of the gear (712) is fixedly connected to a second stepping motor (710), and the gear (712) is connected to the outside of the main support rod (704) through the first support plate (711); The outer walls of the two oblique scrapers (701) on opposite sides are respectively fixedly connected to the limiting plug rods (702), the outer wall of the main support rod (704) is fixedly connected to the limiting plug block (703), and the limiting plug rod (702) is movably inserted into the limiting plug block (703).

2. The production process of distilled glyceryl monostearate according to claim 1, characterized in that: An outer cylinder (1) is arranged outside the inner cylinder (10), and a heater (9) is arranged between the outer cylinder (1) and the inner cylinder (10); the inner wall at the top end of the inner cylinder (10) is tightly connected to an exhaust pipe (3), and a waste outlet (5) is arranged at the bottom end of the inner cylinder (10); the outer wall at the top end of the inner cylinder (10) is fixedly connected to a feed port (2), and a cone guide block (4) is arranged in the middle of the feed port (2).

3. The production process of distilled glyceryl monostearate according to claim 1, characterized in that: The smoothing mechanism (6) comprises two groups of a first curved surface smoothing plate (601) and a second curved surface smoothing plate (602), and the connection points of the first curved surface smoothing plate (601) and the second curved surface smoothing plate (602) respectively correspond to the setting positions of the oblique scraper (701).

4. The production process of distilled glyceryl monostearate according to claim 3, characterized in that: The outer walls of the two groups of the first curved surface trowel plates (601) and the second curved surface trowel plates (602) on the opposite side are respectively fixedly connected with a clamping block (604), and the clamping block (604) is movably clamped in the clamping groove (605), and a spring (603) is provided between the clamping block (604) and the clamping groove (605).

5. The production process of distilled glyceryl monostearate according to claim 4, characterized in that: A first connecting plate (606) is fixedly connected to one side outer wall of the plurality of snap-in grooves (605), and a double-headed gas rod (608) and a limiting sleeve (607) are simultaneously arranged between two first connecting plates (606) arranged opposite to each other, and the top outer walls of the two double-headed gas rods (608) are fixed to the outside of the main support rod (704) via a second connecting plate (609).

6. The production process of distilled glyceryl monostearate according to claim 1, characterized in that: The cleaning mechanism (8) comprises a liquid storage tank (802), and the liquid storage tank (802) is arranged in the main support rod (704), a second support plate (805) is fixedly connected in the liquid storage tank (802), and a stirrer (803) is movably connected to the inner wall of the top end of the second support plate (805).

7. The production process of distilled glyceryl monostearate according to claim 6, characterized in that: One end of the stirrer (803) is fixedly connected to a third stepper motor (806), and the third stepper motor (806) is located on the other side of the second support plate (805). The top of the liquid storage tank (802) is tightly connected to a first liquid passage (801).

8. The production process of distilled glyceryl monostearate according to claim 7, characterized in that: The inner wall of the liquid storage tank (802) is fixedly connected to a second liquid passage pipe (804), the outer wall of the main support rod (704) is fixedly connected to a mounting frame (807), and part of the second liquid passage pipe (804) is arranged in the mounting frame (807), and the second liquid passage pipe (804) in the mounting frame (807) is connected to a plurality of high-pressure nozzles (808) at equal density.

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