A sludge drying post-treatment device

Abstract

The utility model discloses a kind of sludge drying post-treatment device, belong to sludge treatment technical field, the device includes pedestal, pedestal is fixed with shell, shell is equipped with with its communication feeding portion and discharging portion respectively, two side-by-side roll-in rollers are equipped in shell, driven by first motor, roll-in roller includes roll axle and roller body, and a plurality of first grooves and second grooves are equipped on roller body.The advantage of the utility model is that the mutual roll-in of the two roll-in rollers can make the sludge after drying can be made into several particles, for subsequent production operation, and the first groove and the second groove of different sizes can make the equipment prepare different particle size sludge block according to production demand, without frequent switching equipment and mould, convenient and fast to use.

Description

Technical Field

[0001] This utility model relates to the field of sludge treatment technology, specifically to a sludge drying and post-treatment device. Background Technology

[0002] With the development of sludge resource utilization technology, sludge, after harmless treatment, is widely used in agriculture, energy and other fields due to its rich organic matter and nutrients. In the sludge treatment process, the granulation stage after drying is a key step to achieve its subsequent efficient utilization. The granulation device shapes the dried sludge, facilitating subsequent transportation, storage and application. Therefore, its performance directly affects the efficiency and quality of sludge resource utilization.

[0003] Currently, traditional sludge granulation equipment mostly adopts a double-roller structure, which extrudes and shapes the sludge through grooves on the roller surface. However, the groove specifications of the existing rollers are limited. When production needs involve particles of different sizes, it is necessary to frequently change the mold with different groove specifications. This not only leads to production interruptions and cumbersome operation procedures, but also significantly reduces the continuous operation capability and overall production efficiency of the equipment, making it difficult to meet the flexible needs of diverse production scenarios. Utility Model Content

[0004] To address the aforementioned technical shortcomings, the purpose of this utility model is to provide a sludge drying and post-processing device to solve the problem of reduced production efficiency caused by the need for frequent replacement of granulation molds in the prior art.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: The present invention provides a sludge drying and post-treatment device, comprising: a shell fixed on a base, wherein a feeding part and a discharging part communicating with the shell are respectively provided on the shell; two rollers arranged side by side, wherein the rollers are rotatably connected to the shell, and the two rollers are driven by a first motor to rotate in opposite directions; wherein the rollers include a roller shaft and a roller body, and the roller body is provided with a plurality of first grooves and second grooves.

[0006] Optionally, it also includes a threaded block, on which a lead screw is rotatably connected, and the threaded block is threadedly connected to the lead screw. The lead screw is driven by a third motor fixed on the housing, and a feeding slot is provided on the threaded block.

[0007] Optionally, a flexible part is fixed at one end of the feeding part near the threaded block, and the other end of the flexible part away from the feeding part is fixed in the unloading groove.

[0008] Optionally, the roller is rotatably connected to the housing, and a gear is fixed on the roller. The two gears mesh with each other. The first motor is fixed to the base, and the output shaft of the first motor is connected to one of the rollers through a transmission assembly.

[0009] Optionally, the transmission assembly includes two pulleys respectively fixed to the output shaft of the first motor and one of the roller shafts, and the two pulleys are connected by a belt.

[0010] Optionally, the rolling roller is provided with two opposing inclined transmission belts on the side away from the feeding section. The transmission belts are provided with transmission rollers that drive their movement. The transmission rollers are rotatably connected to the outer shell and are driven by a second motor fixed on the outer shell.

[0011] Optionally, a baffle is also fixed inside the housing, and the baffle covers the outside of the transmission belt.

[0012] Optionally, it also includes a collection section, which is located on one side of the base.

[0013] Optionally, the feeding section has an inclined surface on the side away from the crushing roller, the inclined surface extends to the side of the feeding section near the collecting section, and forms a feeding port.

[0014] Optionally, the outer casing is provided with a feeding trough for feeding materials.

[0015] The beneficial effects of this utility model are as follows: This invention features two grinding rollers, each with a plurality of first and second grooves arranged in an array and circumferentially on the roller body, forming granulation chambers of varying sizes. Through the synergistic effect of these granulation chambers, the dried sludge can be formed into sludge products of various particle sizes during the grinding process. This effectively enhances the equipment's adaptability to diverse production needs, avoids the process interruptions caused by the single-size granulation limitations of traditional equipment, and significantly improves the continuity and flexibility of the production process.

[0016] Meanwhile, this invention also features two lead screws rotatably connected to the outer casing, with threaded blocks threaded onto the screws. These threaded blocks are connected to the feeding section via a flexible section. Driving the lead screws to rotate moves the threaded blocks, allowing the flexible section to precisely guide the dried sludge from the feeding section into the corresponding crushing roller area, achieving directional production of sludge products with different particle sizes. This structural design dynamically adjusts the material distribution path, ensuring a uniform distribution of the crushing roller's workload, effectively reducing the risk of material jamming due to localized material accumulation, minimizing unplanned downtime during equipment operation, mitigating fatigue damage to key components, and extending the equipment's service life and maintenance cycle. 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 three-dimensional structural diagram of a sludge drying and post-treatment device according to the present invention.

[0019] Figure 2 This is a three-dimensional sectional view of a sludge drying and post-treatment device according to the present invention.

[0020] Figure 3 This is a partial perspective view of a sludge drying and post-treatment device according to the present invention.

[0021] Figure 4 This is a front cross-sectional view of a sludge drying and post-treatment device according to the present invention.

[0022] Figure 5 This is a three-dimensional structural diagram of the roller of a sludge drying and post-treatment device according to the present invention.

[0023] Figure 6 This utility model relates to a sludge drying and post-treatment device. Figure 4 Enlarged view of point A in the middle.

[0024] Explanation of reference numerals in the attached figures: 1. Feeding section; 11. Flexible section; 2. Outer shell; 21. Material blocking section; 3. Roller; 31. Roller shaft; 32. Roller body; 33. First groove; 34. Second groove; 35. Gear; 36. Transmission assembly; 37. First motor; 4. Threaded block; 41. Lead screw; 42. Third motor; 5. Transmission roller; 51. Transmission belt; 52. Second motor; 6. Unloading section; 7. Base; 8. Collection section. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] As mentioned earlier, most traditional sludge granulation devices currently employ a double-roller structure, using grooves on the roller surface to compress and shape the sludge. However, existing technologies use rollers with a single groove specification. When production demands different particle sizes, it is necessary to frequently change molds with different groove specifications. This not only leads to production interruptions and cumbersome operating procedures but also significantly reduces the equipment's continuous operation capability and overall production efficiency, making it difficult to meet the flexible needs of diverse production scenarios.

[0027] To address this issue, this utility model provides a granulation device for post-treatment of dried sludge. By improving the single-specification groove of the roller, the problems in the prior art are solved. This utility model achieves its solution in the following way.

[0028] Example 1: Please refer to the instruction manual appendix. Figures 1 to 5 As shown in the figure, this embodiment provides a sludge drying and post-treatment device, which includes a base 7. A collection section 8 is provided on one side of the base 7. The base 7 is welded from metal square tubing and has an overall cubic or cuboid frame shape. A shell 2 is fixed on the base 7. A feeding section 1 and a discharging section 6 are respectively provided on the top and bottom of the shell 2 (for ease of description, the side of the shell 2 closer to the base 7 is defined as the bottom, and the side of the base 7 closer to the collection section 8 is defined as the left side; correspondingly, it has a top, a right side, and front and rear ends). The feeding section 1 is connected to the top of the shell 2 (the shell 2 has a feeding trough for feeding. The outlet of the feeding section 1 is directly opposite the feeding trough). The top of the discharging section 6 is connected to the interior of the shell 2, and the lower part of the discharging section 6 has... Figure 2 The inclined surface shown faces to the left and has a discharge port. In use, the dried sludge enters from the feeding section 1, is processed through the interior of the outer shell 2, and then exits from the discharge port through the inclined surface of the discharging section 6 and is collected by the collecting section 8.

[0029] In this first embodiment, as Figures 1 to 3 , Figure 5 As shown, two rolling rollers 3 are rotatably connected inside the outer casing 2, and these two rolling rollers 3 are arranged side by side. Each rolling roller 3 includes a roller shaft 31 rotatably connected to the outer casing 2 via bearings, and a roller body 32 fixed to the roller shaft 31. The roller body 32 is divided into two parts from the middle to both sides. The roller body 32 facing left has several evenly distributed first grooves 33 around its periphery, and the roller body 32 facing right has several evenly distributed second grooves 34 around its periphery. These two side-by-side rolling rollers 3 rotate in opposite directions. For example, in... Figure 3In this design, the forward-facing roller 3 rotates counterclockwise when viewed from the left, while the rearward-facing roller 3 rotates clockwise when viewed from the left. These two rollers 3 are in close contact with each other. The first groove 33 and the second groove 34 rotate with the roller body 32. When the first groove 33 or the two second grooves 34 on the two rollers 3 are in close contact, a granulation chamber is formed. The granulation chambers formed by the first groove 33 and the second groove 34 are different (of course, the first groove 33 and the second groove 34 are a preferred embodiment of this invention; in actual application, a third groove, a fourth groove, a fifth groove, etc., can be formed on the roller body 32). During use, when the dried sludge flowing from the feeding section 1 enters the granulation chamber, it is crushed into sludge blocks of the corresponding size by the two rollers 3. These sludge blocks fall under the rollers 3, pass through the feeding section 6, and enter the collection section 8 for collection (e.g., ...). Figure 4 (The direction indicated by the dashed arrow in the middle), and then applied to other production processes.

[0030] In this first embodiment, as Figures 1 to 3 As shown, a gear 35 is also fixed on the roller shaft 31, and the two gears 35 mesh with each other. A pulley (or sprocket) is fixed at the other end of one of the roller shafts 31 away from the gear 35. At the same time, a first motor 37 is also fixed on the base 7, and a pulley (or sprocket) is also fixed on the output shaft of the first motor 37. The two pulleys (or sprockets) are connected by a belt (or chain) to form a transmission group 36. Therefore, in use, the first motor 37 is energized to drive its output shaft to rotate. After being transmitted by the transmission group 36, one of the crushing rollers 3 rotates with it. Under the action of the two meshing gears 35, the two crushing rollers 3 rotate in opposite directions as described above, thereby crushing and granulating the dried sludge.

[0031] Example 2: Based on the above embodiments, in order to further clarify and completely explain the technical solutions therein, this utility model also provides an embodiment two. For example... Figures 1 to 3 As shown in this second embodiment, the lower part of the feeding section 1 is designed with a gradually narrowing shape to facilitate the falling of the dried sludge. A flexible part 11 is fixedly connected to the narrowing part, which is made of a flexible material with extensibility, such as cloth, rubber, or silicone. A threaded block 4 is also provided in the area between the feeding section 1 and the rolling rollers 3. The threaded block 4 has a discharge slot, and the lower end of the flexible part 11 is fixed to this discharge slot. When the dried sludge enters the feeding section 1, it enters the flexible part 11 from the narrowing part and finally passes through the discharge slot between the two rolling rollers 3.

[0032] Meanwhile, a lead screw 41 is rotatably connected to the outer shell 2 via a bearing, and a threaded block 4 is threadedly connected to the lead screw 41. A third motor 42 is fixedly connected to one end of the lead screw 41. The third motor 42 is energized to drive the lead screw 41 to rotate, which in turn drives the threaded block 4 to move along the crushing roller 3 (moving on the feeding trough). This allows the feeding position to be specified. This design not only enables the crushing roller 3 to crush evenly without jamming or piling up material, but also allows the feeding trough to be switched to the first groove 33 or the second groove 34, or the junction of the first groove 33 and the second groove 34, according to different usage requirements, thereby meeting the granulation requirements of sludge products with different particle sizes.

[0033] Example 3: Based on the above embodiments, in order to further clarify and completely explain the technical solutions therein, this utility model also provides Embodiment Three. For example... Figures 2 to 4 , Figure 6 As shown, in this third embodiment, two transmission belts 51 are also provided inside the outer casing 2 below the rolling roller 3. These two transmission belts 51 are arranged obliquely, and their combined opening forms a channel that is wider at the top and narrower at the bottom. At the same time, each of these two transmission belts 51 is provided with two transmission rollers 5 (a total of four) that drive them to move. The transmission rollers 5 are rotatably connected to the outer casing 2 and are driven by a second motor 52 that is also fixed to the outer casing 2. A baffle part 21 is also fixed inside the outer casing 2, and the baffle part 21 covers the outside of the transmission belts 51.

[0034] Therefore, during use, the dried sludge, after being crushed by the roller 3, adheres to the grooves of the first groove 33 or the second groove 34 as it rotates with the roller 3, preventing it from falling off due to gravity. At this point, the baffle 21 comes into play; when sludge particles touch the baffle 21, they are blocked and fall onto the conveyor belt 51. The conveyor belt 51 then receives these fallen sludge particles and transports them to the discharge section 6.

[0035] Therefore, in summary, compared with the prior art, this utility model and its embodiments have the following advantages, including but not limited to: This invention features two grinding rollers 3, each with a plurality of first grooves 33 and second grooves 34. These first grooves 33 and second grooves 34 are arranged in an array and circumferentially on the roller body 32 of the grinding rollers 3, forming granulation chambers of varying sizes. Through the synergistic effect of the granulation chambers of different specifications, the dried sludge can be formed into sludge products of various particle sizes during the grinding process, effectively improving the equipment's adaptability to diverse production needs, avoiding the process interruption problem caused by the single-particle-size granulation limitation of traditional equipment, and significantly enhancing the continuity and flexibility of the production process.

[0036] Meanwhile, this invention also rotatably connects two lead screws 41 to the outer shell 2. Threaded blocks 4 are threaded onto the lead screws 41, and the threaded blocks 4 are connected to the feeding section 1 via a flexible part 11. By driving the lead screws 41 to rotate, the threaded blocks 4 can be moved, thereby precisely guiding the dried sludge in the feeding section 1 into the corresponding area of ​​the crushing roller 3 through the flexible part 11, achieving directional production of sludge products with different particle sizes. This structural design, by dynamically adjusting the material distribution path, ensures a uniform distribution of the working load on the crushing roller 3, effectively reducing the risk of material jamming caused by localized material accumulation, reducing unplanned downtime during equipment operation, mitigating fatigue damage to key components, and extending the service life and maintenance cycle of the equipment.

[0037] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of this utility model and its equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A sludge drying and post-treatment device, characterized in that, include: The outer shell (2) is fixed on the base (7), and the outer shell (2) is respectively provided with a feeding part (1) and a discharging part (6) communicating with it. Two rollers (3) are arranged side by side and are rotatably connected to the outer shell (2). The two rollers (3) are driven by a first motor (37) to rotate in opposite directions. The rolling roller (3) includes a roller shaft (31) and a roller body (32), and the roller body (32) is provided with a plurality of first grooves (33) and second grooves (34).

2. The sludge drying and post-treatment device as described in claim 1, characterized in that, It also includes a threaded block (4), a lead screw (41) is rotatably connected to the outer shell (2), the threaded block (4) is threaded to the lead screw (41), the lead screw (41) is driven by a third motor (42) fixed on the outer shell (2), and a feeding slot is provided on the threaded block (4).

3. The sludge drying and post-treatment device as described in claim 2, characterized in that, The feeding part (1) has a flexible part (11) fixed at one end near the threaded block (4), and the flexible part (11) is fixed at one end away from the feeding part (1) in the unloading slot.

4. The sludge drying and post-treatment device as described in claim 1, characterized in that, The roller shaft (31) is rotatably connected to the outer shell (2). A gear (35) is fixed on the roller shaft (31). The two gears (35) mesh with each other. The first motor (37) is fixed on the base (7). The output shaft of the first motor (37) and one of the roller shafts (31) are connected by a transmission group (36).

5. The sludge drying and post-treatment device as described in claim 4, characterized in that, The transmission assembly (36) includes two pulleys respectively fixed to the output shaft of the first motor (37) and one of the rollers (31), and the two pulleys are connected by a belt.

6. The sludge drying and post-treatment device as described in claim 1, characterized in that, The rolling roller (3) has two opposing inclined transmission belts (51) on the side away from the feeding part (1). The transmission belt (51) is provided with a transmission roller (5) that drives it to move. The transmission roller (5) is rotatably connected to the outer shell (2). The transmission roller (5) is driven by a second motor (52) fixed on the outer shell (2).

7. The sludge drying and post-treatment device as described in claim 6, characterized in that, The outer casing (2) also has a baffle (21) fixed inside, which covers the outside of the transmission belt (51).

8. The sludge drying and post-treatment device as described in claim 1, characterized in that, It also includes a collection part (8), which is located on one side of the base (7).

9. The sludge drying and post-treatment device as described in claim 8, characterized in that, The feeding section (6) has an inclined surface on the side away from the rolling roller (3). The inclined surface extends to the side of the feeding section (6) near the collecting section (8) and forms a feeding port.

10. The sludge drying and post-treatment device as described in claim 1, characterized in that, The outer shell (2) is provided with a feeding trough for feeding materials.

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