Microcrystalline cellulose reaction mixing kettle

Abstract

The utility model discloses a microcrystalline cellulose reaction mixing kettle which comprises a mixing kettle body, the top end of a stirring pipe is connected with a motor, electrical bars are installed on the two sides of the bottom of an inner cavity of the mixing kettle body, a water pump is installed on one side of the bottom of the inner cavity of the mixing kettle body, and the output end of the water pump is connected with a water conveying pipe. The water conveying pipe fixedly penetrates through the side wall of the mixing kettle, a top shell is fixedly arranged at the top end of the mixing kettle, one end of the water conveying pipe is communicated and connected with the top shell, one end of the stirring pipe is rotationally connected with the top shell through a sealing bearing, and a plurality of through holes are formed in the side wall, located in an inner cavity of the top shell, of the stirring pipe. The utility model relates to the technical field of microcrystalline cellulose production, the mixing kettle can realize mixing of microcrystalline cellulose and an acid-base solution under the driving of the motor by arranging the stirring pipe, and meanwhile, water in the mixing kettle is heated by the electrical bar and can enter the top shell through the conveying pipe under the driving of the water pump, so that the microcrystalline cellulose and the acid-base solution are mixed. And the microcrystalline cellulose enters the inner cavity of the stirring pipe through the through hole, so that the heating temperature control of the microcrystalline cellulose and the acid-base solution is realized, and the reaction quality is further improved.

Description

Technical Field

[0001] This utility model relates to the technical field of microcrystalline cellulose production, specifically a microcrystalline cellulose reaction mixing vessel. Background Technology

[0002] Microcrystalline cellulose is a purified, partially depolymerized cellulose, a white, odorless, and tasteless crystalline powder composed of porous microparticles. It is widely used in the pharmaceutical, cosmetic, and food industries. Different particle sizes and water contents result in different characteristics and applications. Although the raw materials and product properties vary, the main preparation principles and methods are consistent: cellulose purification, acid hydrolysis, washing, drying, and pulverization. The production of microcrystalline cellulose requires a hydrolysis-acidification reaction. Generally, cellulose is placed in an acidification vessel and pretreated by immersion in an acid or alkaline solution, followed by hydrolysis-acidification. However, since the reaction temperature needs to be controlled during the acidification reaction, existing temperature control methods primarily involve heating the outside of the mixing vessel. Due to the large surface area of ​​the mixing vessel, this heating method results in significant heat loss from the outside of the heating equipment, thus reducing heating efficiency. Therefore, we provide a microcrystalline cellulose reaction mixing vessel to solve the above problems. Utility Model Content

[0003] To address the aforementioned problems, specifically those raised in the background section, this invention proposes a microcrystalline cellulose reaction mixing vessel, comprising a mixing vessel with a partition fixedly installed in its inner cavity. A stirring tube is rotatably installed at the top of the mixing vessel, with its bottom end rotatably connected to the partition via a sealed bearing. A motor is connected to the top of the stirring tube. Heating rods are installed on both sides of the bottom of the mixing vessel's inner cavity. A water pump is installed on one side of the bottom of the mixing vessel's inner cavity, with its output end connected to a water supply pipe. The water supply pipe is fixedly inserted through the side wall of the mixing vessel. A top shell is fixedly installed at the top of the mixing vessel, with one end of the water supply pipe connected to the top shell. One end of the stirring tube is rotatably connected to the top shell via a sealed bearing. Several through holes are formed in the side wall of the top shell's inner cavity along the stirring tube.

[0004] Preferably, a connecting pipe is provided at the top of the mixing vessel, and a control valve and a water valve are respectively provided on the side wall of the mixing vessel. The control valve is located above the partition, and the water valve is located below the partition.

[0005] Preferably, the output end of the motor is connected to a reducer, the output end of the reducer is fixedly connected to the top end of the stirring tube, and the reducer is mounted on the top of the top shell by a bracket.

[0006] Preferably, a cone block is fixedly installed at the bottom of the inner cavity of the mixing vessel, and the cone block is correspondingly installed at the bottom drain end of the stirring tube. A vent hole is opened on the side wall of the mixing vessel below the partition.

[0007] The beneficial technical effects of this invention are as follows: By setting a stirring tube, the mixing vessel can mix microcrystalline cellulose and acid-base solutions under the drive of a motor. At the same time, the water inside the mixing vessel is heated by an electric heating rod, and under the drive of a water pump, the water can enter the top shell through a delivery pipe and enter the inner cavity of the stirring tube through a through hole, thereby achieving temperature control of heating microcrystalline cellulose and acid-base solutions, and thus improving the reaction quality. Attached Figure Description

[0008] Figure 1 A cross-sectional structural schematic diagram of the present invention is shown.

[0009] The attached diagram shows the following components: 1. Mixing vessel; 2. Baffle plate; 3. Stirring tube; 4. Motor; 5. Heating rod; 6. Water pump; 7. Water supply pipe; 8. Top shell; 9. Through hole; 10. Reducer; 11. Connecting pipe; 12. Control valve; 13. Water valve; 14. Cone block. Detailed Implementation

[0010] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0011] This utility model proposes a microcrystalline cellulose reaction mixing vessel, including a mixing vessel 1. A partition 2 is fixedly installed in the inner cavity of the mixing vessel 1, and a stirring tube 3 is rotatably installed on the top of the mixing vessel 1. The stirring tube 3 is arranged in a serpentine shape. The bottom end of the stirring tube 3 is rotatably connected to the partition 2 through a sealed bearing. A motor 4 is connected to the top end of the stirring tube 3. Electric heating rods 5 are installed on both sides of the bottom of the inner cavity of the mixing vessel 1. A water pump 6 is installed on one side of the bottom of the inner cavity of the mixing vessel 1. The output end of the water pump 6 is connected to a water supply pipe 7, which is fixedly inserted through the side wall of the mixing vessel 1. A top shell 8 is fixedly installed on the top end of the mixing vessel 1. One end of the water supply pipe 7 is connected to the top shell 8. One end of the stirring tube 3 is rotatably connected to the top shell 8 through a sealed bearing. Several through holes 9 are opened on the side wall of the inner cavity of the stirring tube 3.

[0012] Specifically, a connecting pipe 11 is connected to the top of the mixing vessel 1, and a control valve 12 and a water valve 13 are respectively connected to the side wall of the mixing vessel 1. The control valve 12 is located above the partition 2, and the water valve 13 is located below the partition 2.

[0013] Specifically, the output end of the motor 4 is connected to the reducer 10, the output end of the reducer 10 is fixedly connected to the top of the stirring tube 3, and the reducer 10 is installed on the top of the top shell 8 by a bracket.

[0014] Specifically, a cone block 14 is fixedly installed at the bottom of the inner cavity of the mixing vessel 1. The cone block 14 is correspondingly installed at the bottom drain end of the stirring tube 3 to prevent water from impacting the bottom of the mixing vessel 1. A vent hole is opened on the side wall of the mixing vessel 1 below the partition 2 to realize gas communication in the bottom inner cavity of the mixing vessel 1.

[0015] For those skilled in the art, all electrical components and parts in this case are general standard parts or parts known to those skilled in the art. Their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods. All models are compatible with this solution and can operate normally. All electrical components in this case are connected to their compatible power supplies through wires. According to the actual situation, a suitable controller is selected to meet the control requirements. The specific connection and control sequence should refer to the working principle below, and the electrical connection is completed by the sequential operation of each electrical component. The detailed connection method is a well-known technology in the art, and the electrical control will not be described further.

[0016] Working principle: First, connect water valve 13 to an external water pipe. After opening water valve 13, inject an appropriate amount of water into the bottom cavity of mixing vessel 1. Then close water valve 13 and start heating rod 5. When the water reaches the required temperature, start water pump 6 so that water can enter the cavity of top shell 8 through connecting pipe 11 and enter the interior of stirring tube 3 through through hole 9. Finally, the water flows back at the bottom of stirring tube 3 to realize water circulation in the preheating stage. Then, inject microcrystalline cellulose and acid-base solution into the cavity of mixing vessel 1 through connecting pipe 11 according to the ratio and start motor 4. Under the operation of motor 4, the output speed can be reduced by reducer 10 and drive stirring tube 3 to rotate. At this time, the rotating stirring tube 3 can realize the mixing of microcrystalline cellulose and acid-base solution and heat it through water circulation. At a specific temperature, the reaction effect of microcrystalline cellulose and acid-base solution is guaranteed, thereby improving the reaction quality.

[0017] Although the present invention has been described with reference to preferred embodiments, various modifications can be made to it and components can be replaced with equivalents without departing from the scope of the present invention. In particular, the technical features mentioned in the various embodiments can be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0018] In the description of this utility model, terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," which indicate direction or positional relationships, are based on the direction or positional relationships shown in the accompanying drawings. These are used merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0019] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0020] The term "comprising" or any other similar term is intended to cover non-exclusive inclusion, such that a process, article, or apparatus / device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to those processes, articles, or apparatus / devices.

[0021] The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of this utility model.

Claims

1. A microcrystalline cellulose reaction mixing vessel, comprising a mixing vessel (1), characterized in that: The mixing vessel (1) has a partition plate (2) fixedly installed in its inner cavity, and a stirring tube (3) is rotatably installed on the top of the mixing vessel (1). The bottom end of the stirring tube (3) is rotatably connected to the partition plate (2) through a sealed bearing. The top end of the stirring tube (3) is connected to a motor (4). Electric heating rods (5) are installed on both sides of the bottom of the inner cavity of the mixing vessel (1). A water pump (6) is installed on one side of the bottom of the inner cavity of the mixing vessel (1). The output end of the water pump (6) is connected to a water supply pipe (7). The water supply pipe (7) is fixedly inserted through the side wall of the mixing vessel (1). A top shell (8) is fixedly installed on the top of the mixing vessel (1). One end of the water supply pipe (7) is connected to the top shell (8). One end of the stirring tube (3) is rotatably connected to the top shell (8) through a sealed bearing. The stirring tube (3) has several through holes (9) on the side wall of the inner cavity of the top shell (8).

2. The microcrystalline cellulose reaction mixing vessel according to claim 1, characterized in that: The top of the mixing vessel (1) is connected to a connecting pipe (11), and a control valve (12) and a water valve (13) are respectively connected to the side wall of the mixing vessel (1). The control valve (12) is located above the partition (2), and the water valve (13) is located below the partition (2).

3. The microcrystalline cellulose reaction mixing vessel according to claim 1, characterized in that: The output end of the motor (4) is connected to a reducer (10), the output end of the reducer (10) is fixedly connected to the top of the stirring tube (3), and the reducer (10) is installed on the top of the top shell (8) by a bracket.

4. The microcrystalline cellulose reaction mixing vessel according to claim 1, characterized in that: A cone block (14) is fixedly installed at the bottom of the inner cavity of the mixing vessel (1). The cone block (14) is correspondingly installed at the bottom drain end of the stirring tube (3). A vent hole is opened on the side wall of the mixing vessel (1) below the partition (2).

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