Starch coating liquid preparation device

Abstract

The utility model relates to a starch coating liquid preparation device which comprises a vertical low-speed preparation barrel and a horizontal high-speed preparation barrel, the low-speed preparation barrel is arranged at the top of the high-speed preparation barrel, a powder dispersion disc is arranged at the top of the low-speed preparation barrel, a spiral coil pipe is arranged in the powder dispersion disc, an inlet of the spiral coil pipe penetrates out of the powder dispersion disc, and an outlet of the spiral coil pipe penetrates out of the powder dispersion disc. A powder conveying pump connected with the spiral coil pipe is arranged on the side wall of the low-speed configuration barrel, a solvent inlet is formed in the top of the side wall of the low-speed configuration barrel, a low-speed stirring mechanism is arranged in the low-speed configuration barrel, and a material guide pipe connected with the height configuration barrel is arranged at the bottom of the low-speed configuration barrel; a discharging port is formed in the bottom of the high-speed configuration barrel, a cavity is formed in the inner wall of the high-speed configuration barrel and filled with a heating or cooling medium, and a high-speed stirring mechanism is arranged in the high-speed configuration barrel. Starch can be conveniently dispersed and fed, agglomeration is avoided, and the preparation effect of starch coating liquid is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to starch coating production technical field especially relates to a starch coating liquid preparation device. BACKGROUND

[0002] Starch coating is a technology used in pharmaceutical, food processing and other industrial applications, which refers to using starch or modified starch as the main component to form a film wrapped outside solid particles such as tablets, powders or pellets. In the production process of starch coating, the preparation of starch coating liquid is a crucial step, which directly affects the quality of the final product. When preparing, special equipment is needed to mix and disperse starch with solvent and fully dissolve,

[0003] At present, mixing cylinder and stirrer are often used to mix and disperse starch with solvent. When dry powder starch directly falls into the mixing cylinder through the feed inlet, it is easy to form agglomerates instead of uniform dispersion in the solvent due to the interaction between starch particles and the local high concentration area formed by the instantaneous contact with the solvent. This phenomenon not only affects the quality of the final coating liquid, but also may cause uneven mixing, abnormal viscosity and other problems, thereby affecting the subsequent coating effect. SUMMARY

[0004] The utility model aims at solving the prior art's insufficient, and provides a starch coating liquid preparation device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a starch coating liquid preparation device, including vertical low speed preparation cylinder and horizontal high speed preparation cylinder, low speed preparation cylinder is arranged at the top of high speed preparation cylinder, the top of low speed preparation cylinder is equipped with powder dispersing disc, the inside of powder dispersing disc is equipped with spiral coil pipe, the inlet of spiral coil pipe penetrates powder dispersing disc, the bottom of spiral coil pipe is equipped with a plurality of powder spraying ports which penetrate powder dispersing disc, the side wall of low speed preparation cylinder is equipped with powder conveying pump which is connected with spiral coil pipe, the top of side wall of low speed preparation cylinder is equipped with solvent inlet, low speed preparation cylinder is equipped with low speed stirring mechanism, the bottom of low speed preparation cylinder is equipped with guide pipe which is connected with high speed preparation cylinder, the bottom of high speed preparation cylinder is equipped with discharge port, the inside of the inner wall of high speed preparation cylinder is equipped with cavity, the cavity is filled with heating or cooling medium, the side wall of high speed preparation cylinder is equipped with medium inlet and medium outlet which are connected with cavity, high speed preparation cylinder is equipped with high speed stirring mechanism.

[0006] In particular, the bottom of low speed preparation cylinder is equipped with a plurality of support columns connected with the top of high speed preparation cylinder.

[0007] In particular, the low-speed stirring mechanism comprises a first stirring shaft rotatably connected to the center of the bottom of the powder dispersing disc, the top of the powder dispersing disc is provided with a low-speed motor for driving the rotation of the first stirring shaft, the first stirring shaft is provided with a first scraper in contact with the inner wall of the low-speed configuration cylinder, the first stirring shaft is provided with a first disc turbine stirring paddle, and the bottom of the first stirring shaft is provided with a fan-shaped stirring paddle.

[0008] In particular, the high-speed stirring mechanism comprises a second stirring shaft rotatably connected to the center of the inner wall of the two sides of the high-speed configuration cylinder, the outside of the high-speed configuration cylinder is provided with a high-speed motor for driving the rotation of the second stirring shaft, the two sides of the second stirring shaft are provided with a second scraper in contact with the inner wall of the high-speed configuration cylinder, and the second stirring shaft is provided with a plurality of second disc turbine stirring paddles.

[0009] The beneficial effects of the present application are as follows: the low-speed configuration cylinder and the high-speed configuration cylinder are arranged, the starch coating liquid preparation is divided into two processes, the powder dispersing disc and the low-speed stirring mechanism are arranged, the starch can be uniformly sprayed into the solvent, the surface area of the starch in contact with the solvent is increased, rapid wetting and dissolution are promoted, meanwhile, the low-speed stirring mechanism can accelerate the mixing of the starch and the solvent, the solvent is prevented from splashing to the powder spraying port, and the influence of poor powder discharge or blockage is avoided; the high-speed stirring mechanism can accelerate the mixing of the starch and the solvent, the starch is fully dissolved, and the starch coating liquid with uniform mixing is finally prepared.

[0010] The present application facilitates the dispersion of the starch into the material, avoids the agglomeration into blocks, and has good starch coating liquid preparation effect. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 The structure of the present application is shown in the figure;

[0012] In the figure: 1-low-speed configuration cylinder; 2-high-speed configuration cylinder; 3-powder dispersing disc; 4-spiral coil; 5-powder spraying port; 6-powder conveying pump; 7-solvent inlet; 8-discharge port; 9-cavity; 10-supporting column; 11-feeding pipe; 12-first stirring shaft; 13-low-speed motor; 14-first scraper; 15-first disc turbine stirring paddle; 16-fan-shaped stirring paddle; 17-second stirring shaft; 18-high-speed motor; 19-second scraper; 20-second disc turbine stirring paddle;

[0013] The embodiments of the present application will be described in detail below with reference to the accompanying drawings. DETAILED DESCRIPTION

[0014] The present application will be further described below in combination with the drawings and embodiments:

[0015] As Figure 1As shown, a starch coating liquid preparation device includes a vertical low-speed preparation cylinder 1 and a horizontal high-speed preparation cylinder 2, the low-speed preparation cylinder 1 is arranged on the top of the high-speed preparation cylinder 2, the bottom of the low-speed preparation cylinder 1 is provided with a plurality of support columns 10 connected with the top of the high-speed preparation cylinder 2, the top of the low-speed preparation cylinder 1 is provided with a powder dispersing disc 3, the inside of the powder dispersing disc 3 is provided with a spiral coil 4, the inlet of the spiral coil 4 penetrates through the powder dispersing disc 3, the bottom of the spiral coil 4 is provided with a plurality of powder spraying ports 5 penetrating through the powder dispersing disc 3, the side wall of the low-speed preparation cylinder 1 is provided with a powder conveying pump 6 connected with the spiral coil, the top of the side wall of the low-speed preparation cylinder 1 is provided with a solvent inlet 7, the low-speed preparation cylinder 1 is provided with a low-speed stirring mechanism, the low-speed stirring mechanism includes a first stirring shaft 12 rotatably connected with the center of the bottom of the powder dispersing disc 3, the top of the powder dispersing disc 3 is provided with a low-speed motor 13 driving the rotation of the first stirring shaft 12, the first stirring shaft 12 is provided with a first scraper 14 in contact with the inner wall of the low-speed preparation cylinder 1, the first stirring shaft 12 is provided with a first disc turbine stirring paddle 15, and the bottom of the first stirring shaft 12 is provided with a fan stirring paddle 16.

[0016] The powder conveying pump 6 is used to convey starch, and the starch is sprayed out through the plurality of powder spraying ports 5 and can be uniformly sprayed into the solvent to increase the surface area of the starch in contact with the solvent, promote rapid wetting and dissolution, at the same time, the sprayed starch particles can generate local turbulence in the solvent, which helps to break the small agglomerates that have been formed, and makes the starch more uniformly distributed in the whole solution system, at the same time, the low-speed motor 13 is started, the first scraper 14, the first disc turbine stirring paddle 15 and the fan stirring paddle 16 rotate at low speed, accelerating the mixing of the starch and the solvent, and avoiding the solvent from splashing to the powder spraying ports 5 during low-speed stirring, avoiding the influence of poor powder discharge or blockage.

[0017] The bottom of the low-speed preparation cylinder 1 is provided with a material guiding pipe 11 connected with the high-speed preparation cylinder 2, the bottom of the high-speed preparation cylinder 2 is provided with a discharge port 8, the inner wall of the high-speed preparation cylinder 2 is provided with a cavity 9, the cavity 9 is filled with a heating or cooling medium, the side wall of the high-speed preparation cylinder 2 is provided with a medium inlet and a medium outlet connected with the cavity 9, the high-speed preparation cylinder 2 is provided with a high-speed stirring mechanism, the high-speed stirring mechanism includes a second stirring shaft 17 rotatably connected with the center of the inner wall of the high-speed preparation cylinder 2 on both sides, the outside of the high-speed preparation cylinder 2 is provided with a high-speed motor 18 driving the rotation of the second stirring shaft 17, the second stirring shaft 17 is provided with a second scraper 19 in contact with the inner wall of the high-speed preparation cylinder 2 on both sides, and the second stirring shaft 17 is provided with a plurality of second disc turbine stirring paddles 20.

[0018] After preliminary mixing, the mixed liquid enters the high-speed configuration cylinder 2 through the material guide pipe 11, at this time the high-speed motor 18 works, the second stirring shaft 17 drives the second scraper 19 and the second disc turbine stirring paddle 20 to rotate, accelerates the mixing of the starch and the solvent, makes the starch fully dissolved, and finally configures the mixed uniform starch coating liquid, then discharges through the discharge port 8, and during the period, corresponding heating or cooling medium can be circulated in the cavity 9 to heat or cool.

[0019] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0020] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0021] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication or interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] The present application has been described above in conjunction with the drawings, and it is obvious that the specific implementation of the present application is not limited by the above manner, as long as various improvements are made by adopting the method concept and technical scheme of the present application, or directly applied to other occasions without improvement, all within the protection scope of the present application.

Claims

1. A starch coating fluid preparation device, characterized by, The application relates to a powder mixing device, which comprises a vertical low-speed configuration cylinder (1) and a horizontal high-speed configuration cylinder (2), wherein the low-speed configuration cylinder (1) is arranged on the top of the high-speed configuration cylinder (2), the top of the low-speed configuration cylinder (1) is provided with a powder dispersing disc (3), the powder dispersing disc (3) is internally provided with a spiral coil pipe (4), the inlet of the spiral coil pipe (4) penetrates through the powder dispersing disc (3), the bottom of the spiral coil pipe (4) is provided with a plurality of powder spraying ports (5) penetrating through the powder dispersing disc (3), the side wall of the low-speed configuration cylinder (1) is provided with a powder conveying pump (6) connected with the spiral coil pipe, the top of the side wall of the low-speed configuration cylinder (1) is provided with a solvent inlet (7), the low-speed configuration cylinder (1) is internally provided with a low-speed stirring mechanism, the bottom of the low-speed configuration cylinder (1) is provided with a material guiding pipe (11) connected with the high-speed configuration cylinder (2), the bottom of the high-speed configuration cylinder (2) is provided with a discharging port (8), the inner wall of the high-speed configuration cylinder (2) is internally provided with a cavity (9), the cavity (9) is filled with a heating or cooling medium, the side wall of the high-speed configuration cylinder (2) is provided with a medium inlet and a medium outlet connected with the cavity (9), and the high-speed configuration cylinder (2) is internally provided with a high-speed stirring mechanism.

2. A starch coating fluid preparation apparatus according to claim 1, wherein, The bottom of the low-speed configuration cylinder (1) is provided with a plurality of supporting columns (10) connected with the top of the high-speed configuration cylinder (2).

3. A starch coating fluid preparation apparatus according to claim 1, wherein The low-speed stirring mechanism comprises a first stirring shaft (12) rotatably connected to the bottom center of the powder dispersing disc (3), the top of the powder dispersing disc (3) is provided with a low-speed motor (13) for driving the rotation of the first stirring shaft (12), the first stirring shaft (12) is provided with a first scraper (14) in contact with the inner wall of the low-speed configuration cylinder (1), the first stirring shaft (12) is provided with a first disc turbine stirring paddle (15), and the bottom of the first stirring shaft (12) is provided with a fan stirring paddle (16).

4. A starch coating fluid preparation apparatus according to claim 1, wherein The high-speed stirring mechanism comprises a second stirring shaft (17) rotatably connected to the center of the inner wall of the high-speed configuration cylinder (2) on both sides, the outside of the high-speed configuration cylinder (2) is provided with a high-speed motor (18) for driving the rotation of the second stirring shaft (17), the second stirring shaft (17) is provided with a second scraper (19) in contact with the inner wall of the high-speed configuration cylinder (2) on both sides, and the second stirring shaft (17) is provided with a plurality of second disc turbine stirring paddles (20).

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