Drying device for preparing sodium carboxymethyl cellulose
The sodium carboxymethyl cellulose preparation device, which uses a rotating table to drive the drying pot to rotate and cooperates with an electric heating plate and a fan, solves the problems of easy adhesion of the agitator and poor fluidity of the hot air in the existing device, and achieves an efficient and convenient drying effect.
Patent Information
- Application Number
- CN202422730993.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-11
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-11
AI Technical Summary
The existing sodium carboxymethyl cellulose drying device has problems such as the agitator easily sticking to the powder, difficult cleaning, and poor hot air fluidity, resulting in low drying efficiency.
The rotating table is used to drive the drying pot to rotate, and the electric heating plate and fan are combined to generate flowing hot air. The centrifugal force is used to spread the material flat, increase the contact area with the air, and optimize the hot air flow through the guide plate and filter plate.
It improves drying efficiency, prevents materials from agglomerating and sticking, has a simple structure, is easy to operate and has low cost, and has strong hot air fluidity and a large contact surface.
Smart Images

Figure CN223376192U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of drying equipment, in particular to a drying device for preparing sodium carboxymethyl cellulose. Background Art
[0002] As is well known, sodium carboxymethyl cellulose is a cellulose derivative with special properties. Due to its good water solubility, low viscosity, stability and thickening properties, it is widely used in many fields such as food, medicine, and petroleum. Sodium carboxymethyl cellulose is a white fibrous or granular powder that is odorless, tasteless, hygroscopic, and easily dispersed in water to form a transparent colloidal solution. The preparation process generally requires alkalization, etherification, neutralization, washing, raking, drying, and pulverization. In particular, during the drying process, it is necessary to avoid uneven drying and agglomeration.
[0003] Chinese utility model patent publication number CN220229860U discloses a sodium carboxymethyl cellulose drying device that accelerates drying by pulverizing the powder through stirring and vibration. However, the agitator easily sticks to the powder and is difficult to clean. In addition, the entire hot air inlet is below the powder, resulting in poor thermal fluidity, which prevents further improvement in drying efficiency. Utility Model Content
[0004] In order to overcome the deficiencies in the background technology and solve the existing technical problems, the utility model discloses a sodium carboxymethyl cellulose preparation and drying device, which has a simple structure, is easy to operate and clean, and can further improve the drying efficiency.
[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0006] A sodium carboxymethylcellulose preparation and drying device comprises a rotating table and a drying pot, wherein the pot bottom of the drying pot is coaxially fixed to the table top of the rotating table and can be driven to rotate by the rotating table, the pot cover of the drying pot is provided with a pot cover, and the middle part of the pot cover is provided with a central hole; the middle part of the pot bottom surface of the drying pot is convex inwardly to form a solid cylinder, the top end of the solid cylinder is provided with a filter screen plate, the upper end surface of the solid cylinder is coaxially fixed with a mesh cylinder, and the top end cover of the mesh cylinder is provided with a guide plate; an electric heating plate is installed in the solid cylinder, and a fan is installed in the center of the table top of the rotating table corresponding to the electric heating plate.
[0007] Furthermore, the drying pot is a rotating structure with a flat bottom and outer inclined walls.
[0008] Furthermore, the central hole of the pot lid is equipped with a detachable mesh cover.
[0009] Furthermore, the solid cylinder member and the mesh cylinder member are an integrated structure.
[0010] Furthermore, the guide plate is configured as an arched plate with an edge extending outward from the mesh cylinder.
[0011] Furthermore, a plurality of support blocks evenly distributed along the circumference of the rotating table are connected between the outer edge of the drying pot bottom and the upper surface of the rotating table.
[0012] Furthermore, the pot cover and the drying pot, as well as the guide plate and the mesh cylinder are detachably fixedly connected.
[0013] Furthermore, the rotating platform can be driven by a motor to control forward and reverse rotation.
[0014] Due to the adoption of the above-mentioned technical solution, the utility model has the following beneficial effects:
[0015] The sodium carboxymethyl cellulose preparation and drying device disclosed by the utility model drives the drying pot to rotate by a rotating table, so that the material in the drying pot can be subjected to the effect of centrifugal force and spread relatively flatly on the bottom surface and wall surface of the drying pot, thereby preventing agglomeration and adhesion, and increasing the contact area between the material and the flowing air. The flowing hot air generated by the electric heating plate and the fan can improve the drying effect. Compared with traditional stirring drying, the utility model has a simple overall structure, low cost, is convenient for taking and placing materials, and the hot air has strong fluidity, a larger drying contact area, and higher drying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the implementation structure of the utility model;
[0017] In the figure: 1. rotating table; 2. fan; 3. electric heating plate; 4. filter plate; 5. guide plate; 6. pot cover; 601, central hole; 7. drying pot; 8. mesh cylinder; 9. solid cylinder; 10. support block. DETAILED DESCRIPTION
[0018] The technical solution of the present invention will be described below with reference to the accompanying drawings in the embodiments of the present invention. In the description, it should be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right" and the like indicating directions or positional relationships, these are merely corresponding to the drawings of the present invention and are for the convenience of describing the present invention. They do not indicate or imply that the devices or components referred to must have a specific direction.
[0019] Combined with attachment Figure 1The sodium carboxymethyl cellulose preparation and drying device comprises a rotating table 1 and a drying pot 7. The bottom of the drying pot 7 is coaxially fixed to the upper table of the rotating table 1 and can be driven to rotate by the rotating table 1, so that the material in the drying pot 7 can be subjected to the action of centrifugal force and spread relatively flatly on the bottom and wall of the drying pot 7, thereby preventing agglomeration and adhesion while increasing the contact area between the material and the flowing air; according to needs, the drying pot 7 is a rotating body structure with a flat bottom and an outer inclined wall to ensure stable installation and uniform rotation and centrifugation; in addition, the rotating table 1 can be driven by a motor to control forward and reverse rotation to control the flipping of the material, and the crushing effect is improved by intermittent forward and reverse rotation; the pot cover of the drying pot 7 is provided with a pot cover 6, which is detachably fixedly connected to the drying pot 7, specifically can be connected by a clip or bolt, and the middle part of the pot cover 6 is provided with a central hole 601 for feeding and emptying; according to needs, the central hole of the pot cover 6 is equipped with a detachable mesh cover to prevent the material from being brought out from the central hole 601;
[0020] The middle part of the bottom surface of the drying pot 7 is convex to form a solid cylinder 9, and the top tube opening of the solid cylinder 9 is provided with a filter screen plate 4. The upper end surface of the solid cylinder 9 is coaxially fixed with a mesh cylinder 8. The cylinder wall of the mesh cylinder 8 has small mesh holes, which play a certain filtering role without affecting the air flow. According to needs, the solid cylinder 9 and the mesh cylinder 8 are an integrated structure, and the mesh holes on the mesh cylinder 8 are processed perforations; the top tube opening cover of the mesh cylinder 8 is provided with a guide plate 5, which can play a flow guiding role for the air rising from the solid cylinder 9; according to needs The guide plate 5 is set as an arched plate with its edge extending outward from the mesh cylinder part 8, which can disperse the materials entering from the central hole 601; an electric heating plate 3 is installed in the solid cylinder part 9, and a fan 2 is installed in the center of the upper surface of the rotating table 1 corresponding to the electric heating plate 3. The fan 2 and the electric heating plate 3 are used to produce dry flowing air. In addition, a plurality of support blocks 10 evenly distributed along the circumference of the rotating table are connected between the outer edge of the bottom of the drying pot 7 and the upper surface of the rotating table 1, which can ensure stable support while providing air inlet space for the fan 2.
[0021] In implementing the sodium carboxymethyl cellulose preparation and drying device described in the present invention, the sodium carboxymethyl cellulose material to be dried is first fed into the drying pot 7 from the central hole 601. After the pot cover 6 is firmly covered on the drying pot 7, the turntable 1 drives the drying pot 7 to rotate. Under the action of centrifugal force, the material can be spread relatively flat on the bottom and wall of the drying pot 7. At the same time, the fan 2 and the electric heating plate 3 are started. The heated air is raised from the solid cylinder 1 by the fan 2, dispersed through the guide plate 5, and then contacts the material for drying. The dried moisture can flow out from the central hole 601, thereby greatly improving the drying efficiency.
[0022] The parts of the present invention that are not described in detail are prior art. It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the above-mentioned embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the appended claims rather than the above description. Therefore, it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure marks in the claims should not be regarded as limiting the content of the claims involved.
Claims
1. A drying device for preparing sodium carboxymethyl cellulose, characterized in that: The invention comprises a rotating table (1) and a drying pot (7), wherein the pot bottom of the drying pot (7) is coaxially fixed to the upper table of the rotating table (1) and can be driven to rotate by the rotating table (1), the pot cover of the drying pot (7) is provided with a pot cover (6), and the middle part of the pot cover (6) is provided with a central hole (601); the middle part of the pot bottom surface of the drying pot (7) is convex inwardly formed into a solid cylinder (9), the top end of the cylinder mouth of the solid cylinder (9) is provided with a filter screen plate (4), the upper end surface of the solid cylinder (9) is coaxially fixed with a net cylinder (8), and the top end of the cylinder mouth cover of the net cylinder (8) is provided with a guide plate (5); an electric heating plate (3) is installed in the solid cylinder (9), and a fan (2) is installed in the center of the upper table of the rotating table (1) corresponding to the electric heating plate (3).
2. The sodium carboxymethylcellulose preparation and drying device according to claim 1, wherein: The drying pot (7) is a rotating body structure with a flat bottom and an outer inclined wall.
3. The sodium carboxymethylcellulose preparation and drying device according to claim 1, wherein: The central hole of the pot cover (6) is equipped with a detachable mesh cover.
4. The sodium carboxymethylcellulose preparation and drying device according to claim 1, wherein: The solid cylinder member (9) and the net cylinder member (8) are an integrated structure.
5. The sodium carboxymethylcellulose preparation and drying device according to claim 1, wherein: The guide plate (5) is configured as an arched plate with an edge extending outward from the mesh cylinder member (8).
6. The sodium carboxymethylcellulose preparation and drying device according to claim 1, wherein: A plurality of support blocks (10) evenly distributed along the circumference of the rotating table are connected between the outer edge of the bottom of the drying pot (7) and the upper surface of the rotating table (1).
7. The sodium carboxymethylcellulose preparation and drying device according to claim 1, wherein: The pot cover (6) and the drying pot (7), as well as the guide plate (5) and the net cylinder (8) are detachably fixedly connected.
8. The sodium carboxymethylcellulose preparation and drying device according to claim 1, wherein: The rotating platform (1) can be driven by a motor to control forward and reverse rotation.
Citation Information
Patent Citations
Sodium carboxymethylcellulose drying device
CN220229860U