A continuous rapid sludge drying device

Abstract

The application discloses a continuous quick drying device for sludge and belongs to the technical field of sludge treatment, which comprises a filtering structure, a feeding structure, a material control structure, an extruding structure and a scraping structure, the filtering structure is provided with a ring-shaped filtering end capable of rotating, and a hot air inlet is arranged in the filtering structure; the discharging end of the feeding structure is arranged above the filtering surface; one end of the material control structure is arranged on one side of the filtering surface at intervals, and a material passing gap with adjustable spacing is formed between the material control structure and the filtering surface; the extruding end of the extruding structure is arranged on one side of the filtering surface and forms an extruding interval with the filtering surface, and the extruding end can rotate reversely relative to the filtering end to extrude the sludge passing through the extruding interval; and the scraping end of the scraping structure abuts against the filtering surface to scrape off the sludge on the filtering surface, so that the continuous sludge drying operation is realized, the sludge drying efficiency is improved, the drying effect is good, and the problem of incomplete sludge drying is solved.

Description

Technical Field

[0001] This invention relates to the field of sludge treatment technology, and in particular to a continuous rapid sludge drying device. Background Technology

[0002] With the acceleration of urbanization, the discharge of industrial wastewater and domestic sewage in cities is increasing daily, and the urban sewage treatment rate is also rising year by year. This has led to a sharp increase in sludge production at urban sewage treatment plants. These plants discharge large amounts of excess sludge, requiring further treatment. If the sludge is not properly treated, it will cause secondary pollution. Sludge drying is the most important part of the sludge treatment process. After drying, the sludge can be used for land improvement, building materials, and other applications. During the sludge treatment process, heat pumps are needed to facilitate the drying process.

[0003] CN205676342U discloses a sludge mixing and drying device, including a machine body, an inlet, and an outlet. The inlet is located on the upper surface of the machine body, and the outlet is located on the lower surface. A drive motor is installed on the side wall of the inlet, and one end of the drive motor is connected to a scraping shaft, with one end of the scraping shaft extending into the inlet. A scraping plate is installed on the surface of the scraping shaft. A steam generator is located on the left side of the inlet, and the steam generator is connected to a pressure pump via a gas supply pipe. A heat-conducting plate is installed on the surface of an infrared heating tube, and heat-conducting rods are installed on the surface of the heat-conducting plate. An asynchronous motor is installed on the right side wall of the machine body, and the shaft of the asynchronous motor is connected to a stirring shaft via a belt. A stirring blade is installed on the surface of the stirring shaft. An infrared heating device is installed on the right side of the inlet, and the infrared heating device is electrically connected to the infrared heating tube. It mainly utilizes the scraping plate and steam generator at the inlet to quickly evaporate the moisture in the sludge as it passes through the inlet, and then uses the high heating power of the infrared heating device to further evaporate the moisture in the sludge.

[0004] However, existing sludge drying equipment processes sludge by pouring it into the machine, which reduces the contact area between the sludge and heat, lowers the overall drying intensity, and prolongs the drying cycle. This not only requires high energy consumption but also easily leads to a large accumulation of sludge, resulting in poor drying uniformity and increasing the rework rate for workers. Summary of the Invention

[0005] The purpose of this invention is to overcome the above-mentioned technical deficiencies and propose a continuous rapid sludge drying device to solve the technical problem of poor efficiency of existing sludge drying devices.

[0006] To achieve the above-mentioned technical objectives, the present invention provides a continuous rapid sludge drying device, comprising a filtration structure, a feeding structure, a material control structure, an extrusion structure, and a scraping structure. The filtration structure has a rotatable annular filter end with a hot air inlet inside. The outer and inner sides of the filter end form a filter surface and a drainage surface, respectively. The feeding structure, material control structure, extrusion structure, and scraping structure are arranged sequentially along the rotation direction of the filter end. The discharge end of the feeding structure is located above the filter surface. One end of the material control structure is spaced apart on one side of the filter surface, forming an adjustable material passage gap between the material control structure and the filter surface. The extrusion end of the extrusion structure is located on one side of the filter surface, forming an extrusion zone with the filter surface, and the extrusion end can rotate in the opposite direction to the filter end to extrude the sludge passing through the extrusion zone. The scraping end of the scraping structure abuts against the filter surface to scrape off the sludge on the filter surface.

[0007] In some embodiments, the feeding structure has an inlet end and a plurality of outlet ends, each outlet end being connected to the inlet end and arranged sequentially along the length direction of the filter end.

[0008] In some embodiments, the filter structure includes a drying cylinder, a first driving member, and a water receiving tray. The drying cylinder is arranged horizontally and has openings at both ends. The first driving member is connected to the drying cylinder and drives the drying cylinder to rotate. The water receiving tray is located in the middle of the drying cylinder, and one end of the water receiving tray forms a water outlet with a gradually decreasing width. The water outlet is connected to a water outlet pipe.

[0009] In some embodiments, the first driving member includes an internal gear ring, a gear, and a first motor. The internal gear ring is disposed on the inner side of the drying cylinder and is fixedly connected to the drying cylinder, and the inner side of the internal gear ring is provided with internal teeth. The gear is disposed on the inner side of the internal gear ring and is meshed and rotatably connected with the internal gear ring. The first motor is connected to the gear and is used to drive the gear to rotate.

[0010] In some embodiments, the feeding structure includes an inlet pipe, a guide pipe, and several outlet pipes. The inlet pipe is connected to a sludge conveying pipeline. The guide pipe is arranged horizontally above the filter end and parallel to the filter end. Several outlet pipes are evenly distributed along the length of the guide pipe and are connected to the guide pipe, with the outlet of the outlet pipe facing the filter surface.

[0011] In some embodiments, a sludge concentration sensor is installed inside the feed pipe.

[0012] In some embodiments, the material control structure includes a material conveying plate and an adjusting member. The material conveying plate is spaced apart on one side of the filter surface. The adjusting member is connected to the material conveying plate to adjust the material conveying gap.

[0013] In some embodiments, the length of the feed plate is greater than or equal to the length of the filter end.

[0014] In some embodiments, the extrusion structure includes a pressure roller and a second driving member. The pressure roller is disposed outside the filter surface and spaced apart from the filter surface. The second driving member is connected to the pressure roller and is used to drive the pressure roller to rotate in the opposite direction relative to the filter end.

[0015] In some embodiments, the scraping structure includes a first scraper and a telescopic member. The first scraper is disposed on one side of the filter surface, and the blade of the first scraper abuts against the filter surface. The telescopic member is connected to the first scraper to drive the first scraper to move relative to the filter surface.

[0016] Compared with the prior art, the beneficial effects of the present invention include: by setting an annular filter end that can rotate cyclically and filter sludge, the sludge conveyed by the feeding structure can pass through the material control structure, the extrusion structure and the scraping structure in sequence on the filter surface. The material control structure makes the sludge spread evenly on the filter surface, so as to facilitate the full filtration of water through the filter end and ensure uniform drying. At the same time, the extrusion structure squeezes the sludge, further reducing the moisture content of the sludge. As the filter end rotates slowly, its internal heat source heat-dries the sludge, accelerating the drying process. Finally, the scraping structure scrapes the sludge off and discharges it. This enables continuous sludge drying operation, improves the drying efficiency of sludge, and has a good drying effect, solving the problem of incomplete sludge drying. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall main view cross-sectional structure of an embodiment of the continuous rapid sludge drying device provided by the present invention.

[0018] Figure 2 yes Figure 1 A three-dimensional view of a continuous rapid drying device for sludge in China;

[0019] Figure 3 yes Figure 1 A schematic diagram showing the positional relationship between the filtration structure, feeding structure, material control structure, extrusion structure, and scraping structure of the continuous rapid sludge drying device.

[0020] Figure 4 yes Figure 1 A schematic diagram of the overall side cross-sectional structure of the continuous rapid drying device for sludge in the process.

[0021] Figure 5 yes Figure 1 A schematic diagram of the filtration and feeding structures of the continuous rapid sludge drying device.

[0022] Figure 6 yes Figure 1 A schematic diagram of the water receiving tray of a continuous rapid sludge drying device.

[0023] Figure 7 yes Figure 1 A side view sectional diagram of the feeding structure of the continuous rapid sludge drying device.

[0024] In the picture:

[0025] 1. Filter structure; 11. Drying cylinder; 12. First driving component; 121. Internal gear ring; 122. Gear; 13. Water receiving tray; 131. Water outlet pipe; 14. Support frame; 101. Filter end; 102. Hot air inlet;

[0026] 2. Feeding structure; 21. Feed pipe; 22. Guide pipe; 23. Discharge pipe; 24. Sludge concentration sensor;

[0027] 3. Material control structure; 31. Material feed plate; 32. Adjusting component; 301. Material feed gap;

[0028] 4. Extrusion structure; 41. Pressure roller; 42. Second scraper; 401. Extrusion zone;

[0029] 5. Scraping structure; 51. First scraper blade; 52. Telescopic component; 501. Scraper end;

[0030] 6. Outer casing; 61. Discharge hopper. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0032] like Figures 1 to 7 As shown, the present invention provides a continuous rapid drying device for sludge, including a filtration structure 1, a feeding structure 2, a material control structure 3, an extrusion structure 4, and a scraping structure 5.

[0033] The filter structure 1 has a rotatable annular filter end 101, which is provided with a hot air inlet 102. The outer and inner sides of the filter end 101 form a filter surface and a drainage surface, respectively. The feeding structure 2, the material control structure 3, the extrusion structure 4 and the scraping structure 5 are arranged in sequence along the rotation direction of the filter end 101.

[0034] The discharge end of the feeding structure 2 is located above the filter surface, and can supply material to the filter surface.

[0035] One end of the material control structure 3 is spaced apart on one side of the filter surface, and an adjustable material passage gap 301 is formed between the material control structure and the filter surface.

[0036] The extrusion end of the extrusion structure 4 is located on one side of the filter surface and forms an extrusion zone 401 with the filter surface. The extrusion end can rotate in the opposite direction to the filter end 101 to extrude the sludge passing through the extrusion zone 401.

[0037] The scraping end 501 of the scraping structure 5 abuts against the filter surface to scrape off the sludge on the filter surface when the filter end 101 rotates.

[0038] In this device, a rotatable annular filter end 101 is provided. A feeding structure 2 is positioned above the filter surface to supply material, allowing sludge to pass through the filter surface for initial filtration. Filtered water is discharged through the drainage surface. The slow rotation of the filter end 101 causes the sludge to sequentially pass through a material control structure 3, a pressing structure 4, and a scraping structure 5. When passing through the filtration gap formed between the material control structure 3 and the filter surface, the thickness of the sludge on the filter surface can be controlled by adjusting the material passage gap 301 to prevent sludge accumulation and further improve the filtration efficiency. The sludge then passes through the pressing section 401. The extrusion end of 4 can rotate in the opposite direction to the filter end 101 to extrude the sludge passing through the extrusion zone 401, further extruding the water contained in the sludge to be discharged through the drainage surface. The hot air inlet 102 is located inside the annular filter end 101, generating a heat source inside the filter end 101, allowing the heat energy to diffuse from the inside out. The sludge after extrusion adheres to the drying cylinder 11, and the diffused heat source can dry the sludge on the filter surface. Finally, the dried sludge is sent to the scraping structure 5 by slowly rotating the filter end 101, so that the dried sludge can be scraped off by the scraping end 501.

[0039] Specifically, the hot air inlet 102 is connected to a hot air blower through a pipe, which can supply hot air into the filter structure 1.

[0040] Furthermore, such as Figure 1 , Figure 2 As shown, the continuous rapid sludge drying device also includes an outer casing 6. The filter structure 1, feeding structure 2, material control structure 3, extrusion structure 4, and scraping structure 5 are all installed inside the outer casing 6, so that the overall drying process is completed in a closed space to avoid odor diffusion and environmental pollution. A discharge hopper 61 is provided at the bottom of the outer casing 6, and a discharge pipe is fixedly connected to the outlet of the discharge hopper 61 to discharge the dried sludge.

[0041] To improve the uniformity of sludge thickness on the filter surface, such as Figure 1 , Figure 4 , Figure 5As shown, in some embodiments, the feeding structure 2 has a feed end and several discharge ends. Each discharge end is connected to the feed end and is arranged sequentially along the length direction of the filter end 101, forming multiple discharge ports on the filter surface so as to evenly discharge sludge to the filter end 101 and avoid sludge accumulation in one place.

[0042] The filter end 101 of the filter structure 1 is used to filter sludge and can rotate slowly, therefore, as Figures 1 to 5 As shown, in some embodiments, the filter end 101 includes a drying cylinder 11, and the filter structure 1 also includes a first driving member 12 and a water receiving tray 13. The drying cylinder 11 is arranged horizontally, with openings at both ends. A plurality of filter holes are evenly opened on the outer circumferential surface of the drying cylinder 11, and support frames 14 are provided at both ends and rotatably connected thereto. The support frames 14 are fixedly connected to the outer casing 6. The first driving member 12 is connected to the drying cylinder 11 and is used to drive the drying cylinder 11 to rotate.

[0043] Among them, such as Figure 3 , Figure 5 , Figure 6 As shown, the water receiving tray 13 is located in the middle of the drying cylinder 11, with its two sides extending to fit against the inner side of the drying cylinder 11. The drying cylinder 11 rotates counterclockwise during operation. The feeding structure 2, the material control structure 3, and the extrusion structure 4 are all located on the upper left side of the drying cylinder 11, so that the water receiving tray 13 can completely receive the filtered water from the dried sludge, thus preventing water from flowing to the lower side of the drying cylinder 11 and affecting the hot drying of the sludge on the lower side. Both ends of the water receiving tray 13 are fixedly connected to the outer casing 6 through mounting plates, so that the drying cylinder 11 will not drive the water receiving tray 13 to rotate when it rotates. One end of the water receiving tray 13 forms a water outlet with a gradually decreasing width. The water outlet is connected to a water outlet pipe 131. Furthermore, the water receiving tray 13 is set at an inclination, with its water outlet located at the bottom, so that the filtered water can be drained in time.

[0044] The first driving component 12 can drive the drying cylinder 11 to rotate, such as Figure 5 As shown, in some embodiments, the first driving member 12 includes an internal gear ring 121, a gear 122, and a first motor. The internal gear ring 121 is disposed on the inner side of the drying cylinder 11, and its outer wall is attached to the inner wall of the drying cylinder 11 and fixedly connected to the drying cylinder 11. The inner side of the internal gear ring 121 is provided with internal teeth. The gear 122 is disposed on the inner side of the internal gear ring 121 and is meshed with the internal gear ring 121 for rotation. The first motor is connected to the gear 122 to drive the gear 122 to rotate, so as to drive the internal gear ring 121 and the drying cylinder 11 to rotate through the rotation of the gear 122 and its meshing relationship with the internal gear ring 121.

[0045] It should be noted that in other embodiments, the first driving member 12 may also enable other mechanisms that can drive the drying cylinder 11 to rotate. For example, an external gear ring is provided on the outside of the drying cylinder 11, and a gear that meshes with the external gear ring and a motor connected to the gear are provided. The external gear ring and the drying cylinder 11 are driven to rotate by the motor and the gear.

[0046] The feeding structure 2 can evenly convey the sludge above the drying cylinder 11, therefore, as Figure 1 , Figure 5 As shown, in some embodiments, the feeding structure 2 includes an inlet pipe 21, a guide pipe 22, and several outlet pipes 23. The inlet pipe 21 is fixed to the top wall of the outer casing 6, and its upper end extends outside the outer casing 6 and communicates with the sludge conveying pipeline. The guide pipe 22 is arranged horizontally above the drying cylinder 11 and is arranged parallel to the drying cylinder 11. Several outlet pipes 23 are evenly distributed along the length of the guide pipe 22 and communicate with the guide pipe 22. The outlet of the outlet pipe 23 faces the drying cylinder 11, so that the sludge is first conveyed to the inlet pipe 21 through the sludge conveying pipeline, flows through the inlet pipe 21 to the guide pipe 22, and is then distributed to each outlet pipe 23 through the guide pipe 22. Finally, the sludge is discharged to the surface of the drying cylinder 11 through the outlet end. Specifically, the guide pipe 22 is fixedly connected to the outer casing 6 to ensure its stability.

[0047] The feed structure is used to control the sludge thickness after sludge feeding, such as... Figure 3 As shown, in some embodiments, the material control structure 3 includes a material conveying plate 31 and an adjusting member 32. The material conveying plate 31 is spaced apart on one side of the filter surface. In order to enable it to fully contact the sludge on the drying cylinder 11, the length of the material conveying plate 31 is greater than or equal to the length of the drying cylinder 11. The adjusting member 32 is connected to the material conveying plate 31 and can drive the end of the material conveying plate 31 near the drying cylinder 11 to move relative to the drying cylinder 11 to adjust the material conveying gap 301, thereby controlling the sludge thickness.

[0048] Furthermore, such as Figure 1 , Figure 7 As shown, in some embodiments, a sludge concentration sensor 24 is installed inside the feed pipe 21, which can detect the turbidity of the sludge passing through the feed pipe 21. The sludge concentration sensor 24 is electrically connected to the regulating component 32 through the controller. When the sludge concentration sensor 24 detects that the sludge is relatively thick, it can trigger the regulating component 32 to reduce the material passage gap 301 so that the thin layer of sludge can be fully filtered for moisture in the drying cylinder 11. When the sludge concentration sensor 24 detects that the sludge has a high moisture content, it can trigger the regulating component 32 to slightly widen the material passage gap 301 so that more sludge can pass through. The moisture in the sludge can still be filtered on the drying cylinder 11 without affecting the drying effect.

[0049] It should be noted that the sludge concentration sensor 24 is existing technology, mainly used in the field of wastewater treatment to detect water turbidity. For details, please refer to its working principle. The adjusting component 32 can be a cylinder, an electric telescopic rod, etc., capable of driving the end of the conveying plate 31 near the drying cylinder 11 to move relative to the drying cylinder 11. The end of the conveying plate 31 away from the drying cylinder 11 is rotatably connected to the outer casing 6. The adjusting component 32 can be connected to one side of the conveying plate 31 by sliding connection and hinge.

[0050] The extrusion structure 4 is used to extrude sludge to further reduce its moisture content, such as... Figure 1 , Figure 3 As shown, in some embodiments, the extrusion structure 4 includes a pressure roller 41 and a second drive member. The pressure roller 41 is located outside the filter surface and spaced apart from the filter surface. The second drive member is connected to the pressure roller 41. The second drive member is preferably a motor or electric motor and can drive the pressure roller 41 to rotate in the opposite direction relative to the filter end 101 to extrude sludge between the pressure roller 41 and the drying cylinder 11.

[0051] Furthermore, to prevent sludge from adhering to the pressure roller 41 and affecting subsequent sludge treatment, such as... Figure 1 As shown, in some embodiments, a second scraper 42 is provided above the pressure roller 41, and the tip of the second scraper 42 is attached to the surface of the pressure roller 41 to scrape off part of the sludge on the pressure roller 41.

[0052] The scraper structure 5 is used to scrape off dried sludge from the tempered cylinder, such as... Figure 3 As shown, in some embodiments, the scraping structure 5 includes a first scraper 51 and a telescopic member 52. The first scraper 51 is disposed on one side of the drying cylinder 11, and the blade of the first scraper 51 abuts against the outer wall of the drying cylinder 11. When the drying cylinder 11 rotates, its blade can scrape off the sludge. In addition, a telescopic member 52 is also provided, which is connected to the first scraper 51 to drive the first scraper 51 to move relative to the filter surface and can adjust the first scraper 51 to move away from the drying cylinder 11.

[0053] In order to ensure that the sludge is fully dried, in some embodiments, the first scraper 51 is positioned on the lower right side of the drying cylinder 11, so that the sludge after being squeezed will come into contact with the first scraper 51 after a certain period of time, which helps to extend the drying time of the sludge. The position of the first scraper 51 also allows the scraped sludge to fall into the discharge hopper 61.

[0054] Working principle: The first motor drives the gear 122 to rotate, which in turn drives the internal gear ring 121 and the drying cylinder 11 to rotate slowly. The sludge is evenly discharged above the drying cylinder 11 through the feed pipe 21, the guide pipe 22, and multiple discharge pipes 23. It is first filtered through the filter surface, and the filtered water is discharged into the water receiving tray 13 through the drainage surface and then output through the water outlet pipe 131. With the slow rotation of the drying cylinder 11, the sludge is passed through the material control structure 3, the extrusion structure 4, and the scraping structure 5 in sequence. The thickness of the sludge on the filter surface is controlled by the feed plate 31 to prevent contamination. The sludge accumulates and then passes through the extrusion zone 401. The second drive unit drives the pressure roller 41 to rotate in the opposite direction to extrude the sludge passing through the extrusion zone 401. During the extrusion and material control process, the sludge continuously passes through the drying cylinder 11 to filter out moisture. The sludge after extrusion adheres to the drying cylinder 11. The heat source diffused at the hot air inlet 102 can dry the sludge on the filter surface. Finally, the slowly rotating drying cylinder 11 conveys the dried sludge to one side of the first scraper 51, so that the first scraper 51 can scrape off the dried sludge. The sludge falls into the discharge hopper 61 and is discharged through the outlet.

[0055] This invention features a ring-shaped filter end 101 that rotates and filters sludge. Sludge fed by the feeding structure 2 passes sequentially through a material control structure 3, a pressing structure 4, and a scraping structure 5 on the filter surface. The material control structure 3 ensures that the sludge is spread evenly on the filter surface, maintaining a uniform thickness. This facilitates thorough filtration of moisture through the filter end 101 and ensures uniform drying. Simultaneously, the pressing structure 4 further reduces the moisture content of the sludge by pressing it. As the filter end 101 rotates slowly, its internal heat source heat-dries the sludge, accelerating the drying process. Finally, the scraping structure 5 scrapes the sludge off and discharges it. This invention enables continuous sludge drying operations, improves drying efficiency, and achieves good drying results, solving the problem of incomplete sludge drying.

[0056] In the description of this application, it should be noted that the terms "upper" and "lower," etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" 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; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0057] It should be noted that in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0058] The specific embodiments of the present invention described above do not constitute a limitation on the scope of protection of the present invention. Any other corresponding changes and modifications made in accordance with the technical concept of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A continuous rapid drying device for sludge, characterized in that, It includes a filtration structure, a feeding structure, a material control structure, an extrusion structure, and a scraping structure. The filter structure has a rotatable annular filter end with a hot air inlet inside. The outer and inner sides of the filter end form a filter surface and a drainage surface, respectively. The feeding structure, the material control structure, the extrusion structure, and the scraping structure are arranged sequentially along the rotation direction of the filter end. The discharge end of the feeding structure is located above the filter surface; One end of the material control structure is spaced apart on one side of the filter surface, and an adjustable material passage gap is formed between the material control structure and the filter surface. The extrusion end of the extrusion structure is located on one side of the filter surface and forms an extrusion zone with the filter surface. The extrusion end can rotate in the opposite direction to the filter end to extrude sludge passing through the extrusion zone. The scraping end of the scraping structure abuts against the filter surface to scrape off the sludge on the filter surface; The filter structure includes a drying cylinder, a first driving component, and a water receiving tray. The drying cylinder is arranged horizontally and has openings at both ends. The first driving component is connected to the drying cylinder and drives the drying cylinder to rotate. The water receiving tray is located in the middle of the drying cylinder, and one end of the water receiving tray forms a water outlet with a gradually decreasing width. The water outlet is connected to a water outlet pipe. The material control structure includes a material conveying plate and an adjusting component. The material conveying plate is spaced apart on one side of the filter surface. The adjusting component is connected to the material conveying plate to adjust the material conveying gap. The extrusion structure includes a pressure roller and a second driving member. The pressure roller is located outside the filter surface and spaced apart from the filter surface. The second driving member is connected to the pressure roller and is used to drive the pressure roller to rotate in the opposite direction relative to the filter end.

2. The continuous rapid sludge drying device according to claim 1, characterized in that, The feeding structure has a feed end and several discharge ends, each of which is connected to the feed end and is arranged sequentially along the length of the filter end.

3. The continuous rapid sludge drying device according to claim 1, characterized in that, The first driving component includes an internal gear ring, a gear, and a first motor. The internal toothed ring is disposed on the inner side of the drying cylinder and is fixedly connected to the drying cylinder, and the inner side of the internal toothed ring is provided with internal teeth. The gear is located on the inner side of the internal gear ring and meshes with and rotates with the internal gear ring; The first motor is connected to the gear to drive the gear to rotate.

4. The continuous rapid drying device for sludge according to claim 1 or 2, characterized in that, The feeding structure includes an inlet pipe, a guide pipe, and several outlet pipes. The feed pipe is connected to the sludge conveying pipe; The feed tube is horizontally positioned above the filter end and arranged parallel to the filter end. Several discharge pipes are evenly distributed along the length of the guide pipe and are connected to the guide pipe, with the discharge port of the discharge pipe facing the filter surface.

5. The continuous rapid sludge drying device according to claim 4, characterized in that, A sludge concentration sensor is installed inside the feed pipe.

6. The continuous rapid sludge drying device according to claim 1, characterized in that, The length of the feed plate is greater than or equal to the length of the filter end.

7. The continuous rapid sludge drying device according to claim 1, characterized in that, The scraping structure includes a first scraper blade and a telescopic component. The first scraper is disposed on one side of the filter surface, and the blade of the first scraper abuts against the filter surface; The telescopic member is connected to the first scraper to drive the first scraper to move relative to the filter surface.

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