Rake blade structure special for disc type continuous drying machine suitable for drying lithium hydroxide
By optimizing the rake blade structure and using a detachable connection between the metal plate and the rake plate, the problems of easy damage to the rake blades and the mixing of magnetic materials in existing lithium hydroxide drying equipment have been solved, thus extending the life of the rake blades and saving costs.
Patent Information
- Application Number
- CN202423161541.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-20
AI Technical Summary
The rake blades of existing lithium hydroxide drying equipment are easily damaged at high temperatures, have a short service life, and are prone to being mixed with magnetic foreign objects during the drying process, increasing maintenance costs.
A special rake blade structure for disc continuous dryer suitable for lithium hydroxide drying was designed. It adopts a detachable connection of metal plate and rake plate. The support is made of 304, 316L or TI material, and the rake plate is made of PA6 or PA66 material. It is fixed by bolts. The structure of the rake blade is optimized to improve durability and prevent magnetic materials from mixing in.
It extends the service life of the rake blades to more than 6 months, avoids damage to the drying disc, ensures that non-magnetic substances are not mixed in during the lithium hydroxide drying process, and reduces maintenance costs.
Smart Images

Figure CN223636593U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the rake leaf technical field of drying machine, especially to a special rake leaf structure of disc type continuous drying machine for lithium hydroxide drying. BACKGROUND
[0002] Lithium hydroxide monohydrate is an inorganic hydrate of lithium hydroxide, which is white crystalline powder, soluble in water, slightly soluble in ethanol, and has strong alkaline. It is mainly used for preparing anhydrous lithium hydroxide, lithium salt, lithium-based lubricating grease, electrolyte of alkaline storage battery, lithium bromide refrigerator absorbing liquid, etc. At present, the drying temperature of lithium hydroxide monohydrate is required to be lower than 100℃, and when the drying temperature is higher than 100℃, it is easy to lose crystallization water and produce metamorphic. In the drying process, the mixing of magnetic foreign matter needs to be strictly controlled. The main equipment for drying lithium hydroxide is disc type continuous dryer.
[0003] The conventional dryer is equipped with polytetrafluoroethylene or ceramic rake leaves. The service life of polytetrafluoroethylene is only 2 months during the drying process of lithium hydroxide monohydrate. The service life of ceramic rake leaves is longer during the drying process, but after 1-2 months, deep pits will be formed on the surface of the drying disc, causing the magnetic material to exceed the standard and increasing the maintenance cost.
[0004] Therefore, the utility model provides a special rake leaf structure of disc type continuous drying machine for lithium hydroxide drying to solve the above-mentioned problems existing in the prior art. UTILITY MODEL CONTENTS
[0005] To achieve the above-mentioned purpose, the utility model provides the following scheme: the utility model provides a special rake leaf structure of disc type continuous drying machine for lithium hydroxide drying, which comprises a support, a metal plate is welded at the end of the support, the end of the support away from the metal plate is bent into a circular ring shape and used for connecting with an external rake rod, the metal plate is detachably connected with a rake plate, a groove is formed in the rake plate, and the bottom of the metal plate is located in the groove.
[0006] Preferably, a plurality of through holes are formed in the metal plate, a plurality of round holes are formed in the side wall of the rake plate, the round holes are communicated with the groove, and the plurality of round holes and the plurality of through holes are one-to-one corresponding.
[0007] Preferably, the bolts pass through the round holes and the through holes in sequence and fix the metal plate in the groove.
[0008] Preferably, the length of the groove is 6-8cm.
[0009] Preferably, the material of the rake plate is PA6 or PA66.
[0010] Preferably, the material of the support is selected from metal 304, 316L or TI.
[0011] Preferably, the bracket shape is made by punching a steel plate or welding and bending a round steel.
[0012] The utility model discloses the following technical effects: when using, the metal sheet is inserted into the recess of harrow plate and completes installation, and the bracket is connected with external harrow rod and can be used, adopt the detachable connection mode of metal sheet and harrow plate to be convenient for installation and dismounting, be convenient for maintenance, save the cost, and long service life is long. BRIEF DESCRIPTION OF DRAWINGS
[0013] The drawings constituting a part of this application are used to provide further understanding of the application, the illustrative embodiment of the application and its description are used to explain the application, and do not constitute undue limitation on the application. In the drawings:
[0014] Figure 1 It is the structure schematic view of the bracket in the utility model embodiment 1;
[0015] Figure 2 It is the structure schematic view of the harrow plate in the utility model embodiment 1;
[0016] Figure 3 It is the plan view of the harrow plate in the utility model embodiment 1;
[0017] Figure 4 It is the assembly drawing of the whole in the utility model embodiment 1;
[0018] Figure 5 It is the plan view of the whole in the utility model embodiment 1;
[0019] Figure 6 It is the plan view of the bracket and metal sheet in the utility model embodiment 2;
[0020] Figure 7 It is the front view of the bracket and metal sheet in the utility model embodiment 2;
[0021] Figure 8 It is the assembly drawing of the whole in the utility model embodiment 2;
[0022] Figure 9 It is the plan view of the bracket in the utility model embodiment 3;
[0023] Figure 10 It is the front view of the bracket in the utility model embodiment 3;
[0024] Figure 11 It is the structure schematic view of the harrow plate in the utility model embodiment 3;
[0025] Figure 12 It is the side view of the harrow plate in the embodiment 3 of the utility model;
[0026] Figure 13 It is the assembly drawing of the whole in the embodiment 3 of the utility model;
[0027] In the drawing: 1, support; 2, metal plate; 3, through hole; 4, harrow plate; 5, recess; 6, round hole; 7, connecting seat; 8, through slot; 9, mounting hole. DETAILED DESCRIPTION
[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.
[0029] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the utility model will be further described in detail below in conjunction with the drawings and specific embodiments.
[0030] Embodiment 1
[0031] Referring to Figures 1-5 As shown in the drawing, the embodiment provides a special harrow blade structure suitable for lithium hydroxide drying disc type continuous dryer, which comprises a support 1, the end of the support 1 is welded with a metal plate 2, the end of the support 1 away from the metal plate 2 is bent into a circular ring shape and used for connecting with an external harrow rod, the metal plate 2 is detachably connected with a harrow plate 4, the harrow plate 4 is provided with a recess 5, and the bottom of the metal plate 2 is located in the recess 5.
[0032] When in use, the metal plate 2 is inserted into the recess 5 of the harrow plate 4 and installed, and the support 1 is connected with the external harrow rod to be used; the detachable connection of the metal plate 2 and the harrow plate 4 facilitates installation and disassembly, maintenance, cost saving and long service life. Through the optimization design selection of the harrow blade structure, the effective service life of the harrow blade can be greater than 6 months, there is no any harm to the drying disc surface, and the mixing of magnetic materials in the drying process of lithium hydroxide can be guaranteed.
[0033] Further optimization scheme, a plurality of through holes 3 are formed in the metal plate 2, a plurality of round holes 6 are formed in the side wall of the harrow plate 4, the round holes 6 are communicated with the recess 5, and the plurality of round holes 6 and the plurality of through holes 3 are correspondingly arranged.
[0034] Further optimization scheme, the bolt passes through the round hole 6 and the through hole 3 in sequence and fixes the metal plate 2 in the recess 5. Through the bolt connection mode, the installation is facilitated, and the structure is stable.
[0035] Further optimization scheme, the length of the groove 5 is 6-8cm.
[0036] Further optimization scheme, the material of the rake plate 4 is PA6 or PA66.
[0037] Further optimization scheme, the material of the support 1 is selected from metal 304 or 316L or TI material.
[0038] Further optimization scheme, the support 1 is made of steel plate stamping or metal round steel welding bending.
[0039] Embodiment 2
[0040] Referring to Figures 6-8 As shown in FIG. 1, the end of the support 1 is fixedly installed with a connecting seat 7 through a bolt, and the connecting seat 7 is fixedly installed with the metal plate 2 through a bolt. The welding mode is changed to bolt connection, which is convenient for replacing the metal plate 2 or the support 1, reduces the maintenance cost, improves the work efficiency, and has the advantages of wear resistance, self-lubrication, no impurities, no magnetic foreign matter and material contact.
[0041] Embodiment 3
[0042] Referring to Figures 9-13 As shown in FIG. 2, different from the embodiment 2, the side surface of the rake plate 4 is provided with a through groove 8, and the rake plate 4 is provided with a mounting hole 9 in communication with the through groove 8. The metal plate 2 is inserted into the through groove 8 from the side surface, and the connecting seat 7 is installed on the rake plate 4 through the bolt passing through the connecting seat 7 and the mounting hole 9. The metal plate 2 is embedded in the rake plate 4 in a hidden mode, so that the whole is more beautiful.
[0043] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore it cannot be understood as the limitation of the utility model.
[0044] The above-described embodiments are merely preferred modes of the present application, and are not intended to limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those of ordinary skill in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application as defined by the claims.
Claims
1. A special rake structure for a disc continuous dryer suitable for drying of lithium hydroxide, characterized in that: The utility model provides a support (1) is welded with metal plate (2) on the end, the end of support (1) is away from metal plate (2) is bent into a circular ring shape, is used for connecting with external harrow rod, metal plate (2) is detachably connected with harrow plate (4), the recess (5) is seted up on harrow plate (4), and the bottom of metal plate (2) is located in recess (5).
2. The special rake structure for disc continuous dryer suitable for drying of lithium hydroxide as claimed in claim 1 wherein: A plurality of through holes (3) are formed in the metal plate (2), and a plurality of round holes (6) are formed in the side wall of the harrow plate (4), the round holes (6) are in communication with the recess (5), and the plurality of round holes (6) are arranged in one-to-one correspondence with the plurality of through holes (3).
3. The special rake structure for disc continuous dryer suitable for drying of lithium hydroxide as claimed in claim 2 wherein: The bolt passes through the round hole (6) and the through hole (3) in sequence to fix the metal plate (2) in the recess (5).
4. The special rake structure for disc continuous dryer suitable for drying of lithium hydroxide as claimed in claim 1 wherein: The length of the recess (5) is 6-8 cm.
5. The special rake structure for disc continuous dryer suitable for drying of lithium hydroxide as claimed in claim 1 wherein: The material of the harrow plate (4) is PA6 or PA66.
6. The special rake structure for disc continuous dryer suitable for drying of lithium hydroxide as claimed in claim 1 wherein: The material of the support (1) is selected from metal 304, 316L or TI.
7. The special rake structure for disc continuous dryer suitable for drying of lithium hydroxide as claimed in claim 1 wherein: The shape of the support (1) is formed by stamping a steel plate or welding and bending a metal round steel.