A gypsum powder drying device

Abstract

This utility model discloses a gypsum powder drying device, including a top frame and a discharge box. The top frame is equipped with a feed pipe and also includes multiple cylinders stacked on top of each other. The top frame is installed on the top of the uppermost cylinder. Each cylinder includes a drying guide assembly rotatably connected inside. The multiple cylinders are stacked and the drying guide assembly inside is driven by transmission. The top frame is equipped with a drive assembly to assist the rotation of the drying guide assembly inside the uppermost cylinder. The advantages are: the drive assembly on the top frame drives the drying guide assembly inside the uppermost cylinder to rotate continuously, ensuring the stability and continuity of the drying process; the multiple stacked cylinders allow for adjustment of the drying space according to the moisture content of the gypsum raw material, resulting in a simple overall structure and more flexible use.

Description

Technical Field

[0001] This utility model relates to the field of gypsum powder processing, and specifically to a gypsum powder drying device. Background Technology

[0002] Drying is a crucial step in the production and processing of gypsum powder. The effectiveness of drying directly affects the quality and subsequent use of the gypsum powder, especially its performance, strength, and stability. Insufficient drying may result in excessively high moisture content in the gypsum powder, thus affecting its performance and applicability in subsequent applications.

[0003] Currently, most existing gypsum powder drying devices adopt a single-layer drying structure, and the structure is mostly fixed, which still has certain limitations in terms of efficiency and drying effect. The single-layer structure of the drying device usually restricts the movement path of the material, resulting in a short contact time between the gypsum powder and the hot air. The short movement path of the material in the drying device results in insufficient drying time, which means that the moisture in the gypsum powder cannot be fully evaporated, and the drying effect is not satisfactory. Utility Model Content

[0004] The purpose of this invention is to provide a gypsum powder drying device to solve the above problems, as detailed below.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] This utility model provides a gypsum powder drying device, including a top frame and a discharge box. The top frame is provided with a feed pipe and also includes a cylinder. The cylinder has multiple layers and is stacked. The top frame is installed on the top of the uppermost cylinder. The cylinder includes a drying guide assembly rotatably connected inside the cylinder. The multiple cylinders are stacked and the drying guide assembly inside is driven. The top frame is provided with a drive assembly to assist the rotation of the drying guide assembly inside the uppermost cylinder.

[0007] In some embodiments, the drying guide assembly includes a rotating shaft that rotates within the cylinder. An upper guide frame and a lower scraper located below the upper guide frame are provided on the outer side of the rotating shaft. An upper scraper and a lower guide frame located below the upper scraper are provided on the inner wall of the cylinder. The upper scraper contacts the upper surface of the upper guide frame, and the lower scraper contacts the upper surface of the lower guide frame. Both the upper and lower guide frames have cavities containing heating layers. The upper guide frame is conical, and its outer surface forms an annular hole (I) through the inner wall of the cylinder to allow gypsum material to pass through. The lower guide frame is an inverted cone, and a through hole extends through its axis, forming an annular hole (II) between the through hole and the rotating shaft to allow material to pass through. The top of the rotating shaft has a slot that engages with the bottom end of the upper rotating shaft.

[0008] In some embodiments, there are multiple upper scrapers and multiple lower scrapers, which are circumferentially distributed around the axis of the rotating shaft.

[0009] In some embodiments, the upper scraper and the lower scraper are made of rubber.

[0010] In some embodiments, the pivot is a regular polygon, and the bottom end of the pivot is clearance-fitted with a slot on the upper pivot.

[0011] In some embodiments, the drive assembly includes a drive motor, the output of which is connected to a drive shaft corresponding to a slot on the uppermost drying guide assembly.

[0012] In some embodiments, the top frame is provided with a material cylinder, and the bottom of the material cylinder is connected to a plurality of feed pipes.

[0013] In some embodiments, flanges are installed at both the upper and lower ends of the cylinder, and the upper and lower cylinders are bolted together.

[0014] The beneficial effects are:

[0015] The drive assembly on the top frame drives the drying guide assembly inside the uppermost cylinder to rotate continuously, ensuring the stability and continuity of the drying process.

[0016] By stacking multiple cylinders, the drying space can be adjusted according to the moisture content of the gypsum raw materials. The rotating drying guide component inside each cylinder helps the gypsum powder to be evenly distributed and dried. The overall structure is simple and more flexible in use. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the internal structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the cylindrical body in this utility model.

[0020] The annotations in the attached figures are explained as follows:

[0021] 1. Top frame; 101. Material cylinder; 102. Feed pipe; 2. Cylinder body; 3. Discharge box; 301. Support leg; 4. Drive assembly; 401. Drive motor; 402. Drive shaft; 5. Drying guide assembly; 501. Slot; 502. Rotating shaft; 503. Lower guide frame; 504. Upper guide frame; 505. Lower scraper; 506. Upper scraper. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0023] First embodiment:

[0024] See Figures 1-2 As shown, this utility model provides a gypsum powder drying device, including a top frame 1, a cylinder 2, and a discharge box 3. The top frame 1 is provided with a feed pipe 102, which is used to introduce the gypsum powder to be dried into the device to provide raw materials for the drying process. The top frame 1 is installed on the top of the uppermost cylinder 2 and serves to support and carry the drive component 4. There are multiple layers of cylinder 2, and each layer of cylinder 2 is combined by stacking. This multi-layer stacked structure can extend the drying path of the gypsum powder and improve the drying efficiency.

[0025] Each cylinder 2 is rotatably connected to a drying guide assembly 5, which guides the flow of gypsum powder within the cylinder 2, thereby assisting in the drying of the gypsum powder. Simultaneously, the drying guide assemblies 5 within the multiple cylinders 2 are interconnected by a transmission system, ensuring that each layer of assemblies rotates synchronously or at a set rhythm. This allows the gypsum powder to be smoothly conveyed from the upper cylinder 2 to the lower cylinder, and finally guided to the discharge box 3 for discharge. The discharge box 3 is equipped with support legs 301 at its bottom.

[0026] To drive the drying guide assembly 5, a drive assembly 4 is provided on the top frame 1. This drive assembly 4 is specifically used to assist the rotation of the drying guide assembly 5 inside the uppermost cylinder 2. Through the rotation of the uppermost drying guide assembly 5, and with the help of the transmission connection between the components of each layer, all the lower drying guide assemblies 5 are driven to work synchronously, thereby realizing the continuous drying and conveying process of gypsum powder in the entire device.

[0027] The second embodiment differs from the first embodiment in that:

[0028] The drying guide assembly 5 is supported by a rotating shaft 502 rotatably connected inside the cylinder 2. The rotation of the rotating shaft 502 provides the power basis for the operation of the entire assembly, driving other components to work together.

[0029] On the outer side of the rotating shaft 502, an upper guide frame 504 and a lower scraper 505 are arranged sequentially from top to bottom; correspondingly, an upper scraper 506 and a lower guide frame 503 located below it are arranged on the inner wall of the cylinder 2; wherein, the upper scraper 506 is in contact with the upper surface of the upper guide frame 504, and the lower scraper 505 is in contact with the upper surface of the lower guide frame 503. This contact structure can scrape off the gypsum powder adhering to the surface of the guide frames 504 and 503 in a timely manner during the rotation of the components, so as to avoid the accumulation of materials affecting the drying effect and smooth conveying.

[0030] The upper guide frame 504 and the lower guide frame 503 not only serve as guides but also act as key heating carriers in the drying process. Both have internal cavities containing heating layers. When the heating layers are in operation, they release heat, which is transferred to the flowing gypsum powder through the surface of the guide frames, thus drying the material. Meanwhile, the upper guide frame 504 has a conical structure, with an annular hole (or hole 1) between its outer surface and the inner wall of the cylinder 2. This hole provides a channel for the gypsum powder to flow downwards from the upper area. The lower guide frame 503 has an inverted conical shape with a through hole along its axis. This through hole, together with the rotating shaft 502, forms an annular hole (or hole 2), serving as a transition channel for the gypsum powder to flow from the current cylinder 2 to the lower cylinder 2. The guiding effect of the conical structure ensures orderly material flow and prevents blockages.

[0031] To enable the transmission connection of the drying and guiding assembly 5 inside the multi-layer cylinder 2, a slot 501 is provided on the top of the rotating shaft 502. The slot 501 can be inserted into the bottom of the rotating shaft 502 inside the upper cylinder 2. Through this insertion structure, the rotation of the upper rotating shaft can be directly transmitted to the lower rotating shaft, thereby ensuring the synchronous operation of the multi-layer assembly and forming a continuous drying and conveying process.

[0032] Furthermore, there are multiple upper scrapers 506 and lower scrapers 505, both arranged circumferentially around the axis of the rotating shaft 502. This numerous and circumferentially distributed design can fully cover the upper surfaces of the upper guide frame 504 and lower guide frame 503, ensuring that during the operation of the drying guide assembly 5, regardless of the angle to which the upper guide frame 504 and lower guide frame 503 rotate, there are corresponding upper scrapers 506 and lower scrapers 505 in contact with them, thereby thoroughly scraping off the gypsum powder adhering to the surfaces of the upper guide frame 504 and lower guide frame 503, avoiding... To prevent material accumulation and blockage of channels, the system ensures smooth material feeding and uniform drying, effectively reducing incomplete drying caused by localized material residue. Meanwhile, the upper scraper 506 and lower scraper 505 are made of rubber, which has good elasticity and flexibility. When in contact with the surfaces of the upper guide frame 504 and lower guide frame 503, the rubber material deforms to tightly adhere to the contact surfaces, improving the scraping effect. Furthermore, its relatively soft texture reduces wear on the guide frame surfaces, extending the service life of components and balancing scraping efficiency with equipment durability.

[0033] The rotating shaft 502 adopts a regular polygonal structure. This shape design can effectively transmit torque. When the rotating shaft 502 rotates, it can avoid relative slippage between it and the mating parts, ensuring stable power transmission to the drying guide assembly 5 and guaranteeing the synchronous operation of the drying guide assembly 5 in each layer of the cylinder 2. At the same time, the bottom end of the rotating shaft 502 is connected to the slot 501 on the upper rotating shaft 502 by a clearance fit. The clearance fit provides a certain adjustment space for the installation of the rotating shaft 502 and the slot 501, which facilitates the precise docking of the rotating shaft when multiple layers of cylinder 2 are stacked. It also reduces friction and wear during relative rotation, extending the service life of the components, while not affecting the effective transmission of torque and ensuring the continuity of transmission.

[0034] The drive assembly 4 mainly includes a drive motor 401 and a drive shaft 402. The drive motor 401 serves as a power source, providing driving force for the rotation of the drying guide assembly 5. The drive shaft 402 is connected to the output end of the drive motor 401, and its structure is adapted to the slot 501 on the uppermost drying guide assembly 5. The connection with the uppermost rotating shaft 502 is achieved through plug-in engagement. This plug-in design allows the power of the drive motor 401 to be directly transmitted to the uppermost drying guide assembly 5. Then, through the transmission connection between the drying guide assemblies 5 in the multi-layer cylinder 2, all drying guide assemblies 5 are driven to rotate synchronously, thereby realizing the continuous drying and guiding operation of gypsum powder in the multi-layer cylinder 2, ensuring a stable and reliable power supply for the entire drying process.

[0035] The third embodiment differs from the first embodiment in that:

[0036] The top frame 1 is equipped with a material cylinder 101, which is mainly used to store gypsum powder to be dried and provide raw material reserves for subsequent continuous feeding. The bottom of the material cylinder 101 is connected to multiple feed pipes 102. The multiple feed pipes can evenly distribute the gypsum powder in the material cylinder 101 to the uppermost cylinder 2, avoiding the problem of local accumulation caused by single feeding, ensuring that the gypsum powder is evenly distributed in the uppermost cylinder 2, laying the foundation for the efficient operation of the subsequent drying guide component 5, and improving the uniformity of drying.

[0037] Flanges are installed at both the upper and lower ends of the cylinder 2. The upper and lower cylinders 2 are connected by bolts to the flanges. This flange and bolt connection method can ensure the structural stability of the multi-layer cylinders 2 after they are stacked, so that each layer of cylinders fits tightly and avoids loosening due to vibration and other factors during the operation of the device. On the other hand, the flange connection facilitates the quick assembly and disassembly of the multi-layer cylinders, which provides convenience for the installation, commissioning, maintenance and replacement of the cylinders. At the same time, the tightness of the bolt connection can also ensure the sealing of the cylinder connection, reduce heat loss during the drying process and ensure drying efficiency.

[0038] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A gypsum powder drying device, comprising a top frame (1) and a discharge box (3), wherein the top frame (1) is provided with a feed pipe (102), characterized in that: It also includes a cylinder (2), which has multiple layers and is stacked on top of each other, with the top frame (1) installed on the top of the uppermost cylinder (2); The cylinder (2) includes a cylinder (2), and a drying guide assembly (5) is rotatably connected inside the cylinder (2). Multiple cylinders (2) are stacked and installed, and the drying guide assembly (5) inside them is connected by a transmission. The top frame (1) is provided with a drive assembly (4) to assist the rotation of the drying guide assembly (5) inside the uppermost cylinder (2).

2. A gypsum powder drying device according to claim 1, characterized in that: The drying guide assembly (5) includes a rotating shaft (502) that rotates inside the cylinder (2). An upper guide frame (504) and a lower scraper (505) located below the upper guide frame (504) are provided on the outer side of the rotating shaft (502). An upper scraper (506) and a lower guide frame (503) located below the upper scraper (506) are provided on the inner wall of the cylinder (2). The upper scraper (506) is in contact with the upper surface of the upper guide frame (504), and the lower scraper (505) is in contact with the upper surface of the lower guide frame (503). Both the upper guide frame (504) and the lower guide frame (503) have cavities inside, and heating layers are provided inside the cavities. The upper guide frame (504) is conical, and the outer circular surface of the upper guide frame (504) forms an annular hole one through which the gypsum material passes with the inner wall of the cylinder (2). The lower guide frame (503) is an inverted cone, and a through hole is provided through the axis of the lower guide frame (503). The through hole and the rotating shaft (502) form an annular hole two through which the material passes. The top of the rotating shaft (502) is provided with a slot (501) that is inserted and matched with the bottom end of the upper rotating shaft (502).

3. The gypsum powder drying device according to claim 2, characterized in that: There are multiple upper scrapers (506) and lower scrapers (505), which are circumferentially distributed around the axis of the rotating shaft (502).

4. The gypsum powder drying device according to claim 2, characterized in that: The upper scraper (506) and the lower scraper (505) are made of rubber.

5. A gypsum powder drying device according to claim 2, characterized in that: The rotating shaft (502) is a regular polygon, and the bottom end of the rotating shaft (502) is in clearance fit with the slot (501) on the upper rotating shaft (502).

6. The gypsum powder drying device according to claim 2, characterized in that: The drive assembly (4) includes a drive motor (401), and the output end of the drive motor (401) is connected to a drive shaft (402) that is inserted into a slot (501) on the uppermost drying guide assembly (5).

7. The gypsum powder drying device according to claim 1, characterized in that: The top frame (1) is provided with a material cylinder (101), and the bottom of the material cylinder (101) is connected to multiple feed pipes (102).

8. The gypsum powder drying device according to claim 1, characterized in that: Flanges are installed at both the upper and lower ends of the cylinder (2), and the upper and lower cylinders (2) are bolted together.

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