A high-efficiency dewatering device and method for treating sewage sludge

Abstract

This invention belongs to the technical field of sludge treatment equipment, specifically relating to a high-efficiency dewatering device and method for treating sludge. It includes a hydraulic press, with a hydraulic end fixedly mounted at its output end; a support plate is located below the hydraulic end, and a receiving cylinder is mounted on the support plate, with a filter bag hanging on the receiving cylinder; the receiving cylinder is inserted into an adjusting cylinder, which is rotatably connected to the support plate; an inner ring plate is fixedly mounted inside the adjusting cylinder, a filter disc is located above the inner ring plate, and a support block is fixedly mounted in the middle of the filter disc, with the support block fixedly connected to the outer bottom of the filter bag; this invention allows for rapid switching between dewatering and sludge unloading, greatly improving operational efficiency; through the coordination of the adjusting mechanism with the adjusting cylinder and receiving cylinder, this invention not only automatically tightens the filter bag without manual control but also effectively drains water from the sludge, significantly improving the sludge dewatering effect, and is simple to operate.

Description

Technical Field

[0001] This invention belongs to the field of sludge treatment equipment technology, specifically relating to a high-efficiency dewatering device and method for treating sludge. Background Technology

[0002] Sludge dewatering is a crucial step in sludge treatment, referring to the process of removing large amounts of water from sludge through physical or chemical methods. Because sludge initially has an extremely high water content (typically exceeding 95%), direct disposal is difficult and costly. Therefore, it must first undergo concentration, conditioning (such as adding coagulants), and mechanical dewatering to reduce the water content to approximately 60%-80%, forming a sludge cake with lower water content. This process significantly reduces the volume and weight of the sludge, facilitating subsequent transportation, incineration, landfill, or resource utilization, and is a core step in sludge reduction and stabilization.

[0003] Chinese Patent Application No. 202511726589.8 discloses a dredging robot with dehydration and packaging functions. The robot includes a frame that can be mounted on a self-propelled transport device. A first open-top mud-water chamber and a second box-shaped mud-water chamber are fixedly mounted on the frame. A mounting box is installed above the first mud-water chamber and contains a vibrating chamber via an elastic component. The vibrating chamber contains staggered first and second filter plates for repeated filtration of mud-water. A compression chamber is installed at the end of the vibrating chamber where mud blocks fall, and contains a compression mechanism for compressing the mud blocks. A return water outlet is located at the top of the first mud-water chamber facing the bottom of the compression chamber. This invention significantly improves dehydration efficiency, reduces the water content of the mud blocks, and further reduces the water content by compressing the dehydrated mud blocks. The discharged mud cake meets the standard for direct bagging and transportation, effectively avoiding leakage and contamination during transportation.

[0004] In the process of sludge dewatering by compression, since some construction sites are temporary, the sludge is usually put into filter bags for compression dewatering. This method is efficient, convenient for temporary operation, and does not require large machinery. However, after prolonged use, the filter bags are prone to clogging, leading to reduced dewatering efficiency or even failure to dewater. At this time, the filter bags need to be replaced, which is troublesome and consumes a lot of materials. Moreover, when using filter bags for compression dewatering, the filter bags often need to be tightened manually to prevent sludge leakage, which prevents automatic operation. In addition, if compression dewatering is used, the water inside the sludge is difficult to expel quickly through compression, resulting in low dewatering efficiency. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a highly efficient dewatering device and method for treating sludge. Through the cooperation of a hydraulic end with a receiving cylinder and filter bags, this invention enables rapid switching between dewatering and sludge unloading, significantly improving operational efficiency. Furthermore, through the coordination of an adjusting mechanism with an adjusting cylinder and a receiving cylinder, this invention not only automatically tightens the filter bags without manual control but also effectively removes moisture from the sludge, greatly enhancing the dewatering effect and simplifying operation.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A high-efficiency dewatering device for treating sludge includes a hydraulic press, with a hydraulic end fixedly mounted at the output end of the hydraulic press; a support plate is located below the hydraulic end, and a receiving cylinder is mounted on the support plate, with a filter bag hanging on the receiving cylinder; the receiving cylinder is inserted into an adjusting cylinder, which is rotatably connected to the support plate; an inner ring plate is fixedly mounted inside the adjusting cylinder, and a filter plate is located above the inner ring plate; a support block is fixedly mounted in the middle of the filter plate, and the support block is fixedly connected to the outer bottom of the filter bag; a water passage hole is opened in the middle of the support plate, and support feet are fixedly mounted at both ends of the support plate; The hydraulic end includes a fixed plate that is fixedly connected to the output end of the hydraulic press. The bottom of the fixed plate is symmetrically fixed with support rods. The bottom ends of the support rods are all fixedly connected to an extrusion plate. A sliding hole is opened through the middle of the extrusion plate. An adjusting rod is slidably connected to the sliding hole. A limiting block is fixedly provided at the top of the adjusting rod. The bottom end of the adjusting rod is fixedly connected to the inner bottom of the filter bag.

[0007] Furthermore, a T-shaped ring block is fixedly provided at the bottom of the adjusting cylinder, and a T-shaped ring groove is provided on the support plate. The T-shaped ring block is rotatably connected to the T-shaped ring groove. Vertical sliding grooves are symmetrically provided on the inner wall of the adjusting cylinder, and the support block is slidably connected to the vertical sliding grooves. An annular groove is provided at the top of the side wall of the adjusting cylinder, and multiple return springs are uniformly fixedly connected to the bottom of the annular groove. The top of the return springs are all fixedly connected to an abutment ring. The receiving cylinder is inserted into the annular groove and abuts against the abutment ring.

[0008] Furthermore, the receiving cylinder includes a receiving cylinder body, and a plurality of hanging rods are evenly fixed on the upper side wall of the receiving cylinder body, and the hanging holes of the filter bags are hung on the hanging rods; a control ring is fixed on the side wall of the receiving cylinder body below the hanging rods, and a plurality of control holes are evenly opened through the control ring.

[0009] Furthermore, the device also includes a control mechanism, which includes a gear ring; a gear ring groove is formed on the top of the support plate, and the gear ring is rotatably connected to the gear ring in the gear ring groove; the outer wall of the gear ring is provided with tooth grooves; multiple limiting rods are fixedly connected to the top of the gear ring, and the limiting rods are slidably connected to the control hole; a second limiting block is fixedly provided at the end of the limiting rod; a rotating hole is formed on the support plate, and the rotating hole is fixedly connected to the gear ring groove; a forward and reverse motor is fixedly installed on the rotating hole, and the output end of the forward and reverse motor passes through the rotating hole and is fixedly connected to the end of the motor with a drive gear, which meshes with the gear ring.

[0010] Furthermore, a waterproof cover is fixedly installed on the support plate, and the forward and reverse motor is located inside the waterproof cover.

[0011] Furthermore, multiple protrusions are uniformly fixed to the bottom of the outer side wall of the adjusting cylinder; an adjusting mechanism is fixed on the support plate located around the adjusting cylinder, the adjusting mechanism being used to control the relative position of the adjusting cylinder and the receiving cylinder.

[0012] Furthermore, the adjustment mechanism includes a fixed ring fixed to the top of the support plate, a through groove evenly distributed on the fixed ring, and a rotating groove on the through groove; an adjustment plate is rotatably connected to the rotating groove via a rotating shaft, and one side of the adjustment plate is fixedly connected to the fixed ring via a second return spring.

[0013] Furthermore, when the second return spring is in its normal state, the adjusting plate is inclined and abuts against the side wall of the adjusting cylinder; when the adjusting cylinder rotates clockwise, the adjusting cylinder presses against the adjusting plate and compresses the second return spring; when the adjusting cylinder rotates counterclockwise, the adjusting plate abuts against the protrusion limit and the adjusting plate is limited by the through groove.

[0014] Furthermore, a water container is placed below the water inlet, and a handle is fixedly provided on the side wall of the water container.

[0015] A method for treating sludge using the aforementioned high-efficiency dewatering device for sludge treatment includes the following steps: S1. Pour the sludge into the filter bag, and then control the gear ring and receiving cylinder to rotate counterclockwise through the forward and reverse motor. The receiving cylinder drives the filter bag to rotate synchronously. Due to the limiting of the support block and the vertical slide groove, the adjusting cylinder will rotate synchronously counterclockwise. At this time, because the adjusting plate and the protrusion limit abut against each other, and the adjusting plate is limited by the through groove, the adjusting cylinder is blocked and cannot rotate, so that the receiving cylinder and the adjusting cylinder achieve relative rotation. In this way, the top of the filter bag is automatically tightened. S2. The hydraulic press controls the extrusion plate at the hydraulic end to descend and extrude the filter bag. At this time, the return spring is compressed, and the receiving cylinder and the adjusting cylinder are relatively closed. Under the limit of the inner ring plate, the filter bag is extruded and the water is squeezed out. S3. The filter bag is opened by controlling the gear ring and receiving cylinder to rotate clockwise using a forward and reverse motor. The hydraulic press controls the hydraulic end of the extrusion plate to rise and fall repeatedly, driving the filter plate to rise and fall synchronously, shaking off the initially squeezed sludge. At the same time, the receiving cylinder continues to rotate clockwise. Due to the limit of the support block and the vertical slide groove, the filter bag and the adjusting cylinder will rotate clockwise synchronously. And because the adjusting cylinder squeezes the adjusting plate and compresses the second reset spring, the adjusting cylinder will not be blocked, so that the receiving cylinder and the adjusting cylinder rotate synchronously, throwing the water inside the sludge to the outside. S4. Repeat S1~S3 without adding sludge until the sludge clumps can no longer be shaken apart and no water is released. The sludge treatment is then complete. At this point, the hydraulic press controls the extrusion plate to continue rising, removing the sludge clumps from the filter bag. Simultaneously, the filter bag automatically flips outward, facilitating cleaning of the inside of the filter bag and making it easy to reuse.

[0016] Compared with the prior art, the present invention has the following beneficial effects: (1) This invention enables rapid switching between dewatering and sludge unloading and cleaning through the cooperation of the hydraulic end with the receiving cylinder and filter bag, greatly improving work efficiency. Specifically, when dewatering, the hydraulic press controls the extrusion plate of the hydraulic end to descend. Since the adjusting rod is slidably connected to the sliding hole in the middle of the extrusion plate, the extrusion plate can smoothly extrude the filter bag under the height space of the support rod and the limiting action of the inner ring plate, squeezing out the water from the sludge. The water flows into the water passage through the filter plate. After the extrusion dewatering is completed, it is only necessary to control the extrusion plate of the hydraulic end to rise. Due to the limiting block of the adjusting rod, the rise of the extrusion plate can drive the filter plate to move upward, thereby removing the sludge block. At the same time, the filter bag can automatically flip outward, making it convenient to clean the inside of the filter bag for recycling. In this way, rapid switching between dewatering and sludge unloading and cleaning is achieved, greatly improving work efficiency.

[0017] (2) This invention, through the cooperation of the adjusting mechanism, adjusting cylinder, and receiving cylinder, can not only automatically tighten the filter bag without manual control, but also fully drain the water inside the sludge, greatly improving the dewatering effect of the sludge, and is simple to operate; specifically, when dewatering the sludge, the sludge is poured into the filter bag, and then the gear ring and receiving cylinder are rotated counterclockwise by the forward and reverse motor, and the receiving cylinder drives the filter bag to rotate synchronously; due to the limitation of the support block and the vertical slide groove, the adjusting cylinder will be driven to rotate synchronously counterclockwise; at this time, because the adjusting plate and the protrusion limit abut, and the adjusting plate is limited by the through groove, the adjusting cylinder is blocked and cannot rotate, so that the receiving cylinder and the adjusting cylinder can rotate relative to each other; thus, the top of the filter bag is automatically tightened, which is convenient for subsequent squeezing and dewatering; the hydraulic press controls the hydraulic end of the squeezing plate to descend and squeeze the filter bag, at this time the return spring is compressed, and the receiving cylinder and the adjusting cylinder are relatively closed; under the limitation of the inner ring plate, the filter bag is squeezed and the water is squeezed out; at the same time, since the inside of the sludge contains water Simply squeezing is not enough for efficient drainage. After squeezing to a certain extent, the filter bag is opened by rotating the gear ring and receiving cylinder clockwise using a reversible motor. A hydraulic press controls the repeated rise and fall of the hydraulic end's squeezing disc, causing the filter disc to rise and fall synchronously, shaking off the initially squeezed sludge and exposing its internal space. Simultaneously, the receiving cylinder continues to rotate clockwise. Due to the limiting effect of the support block and the vertical slide groove, the filter bag and adjusting cylinder rotate synchronously clockwise. Because the adjusting cylinder squeezes the adjusting plate and compresses the second return spring, the adjusting cylinder is not obstructed, allowing the receiving cylinder and adjusting cylinder to rotate synchronously, throwing the water out of the sludge. This cycle of reversible motor rotation ensures thorough drainage of the sludge until the sludge clumps can no longer be shaken apart and no more water is thrown out. The sludge treatment is then complete, significantly improving the dewatering effect. Furthermore, simply controlling the reversible motor rotation simultaneously achieves automatic filter bag tightening and drainage, making operation simple. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of a high-efficiency dewatering device for treating sludge according to the present invention. Figure 2 This is a schematic diagram of the dispersion structure of a high-efficiency dewatering device for treating sludge according to the present invention; Figure 3 This is a schematic cross-sectional view of a high-efficiency dewatering device for treating sludge according to the present invention. Figure 4 This is a schematic diagram of a partially dispersed support plate structure of a high-efficiency dewatering device for treating sludge according to the present invention. Figure 5 This is a schematic diagram of the control mechanism of a high-efficiency dewatering device for treating sludge according to the present invention; Figure 6This is a partial dispersion structure schematic diagram of a high-efficiency dewatering device for treating sludge according to the present invention. Figure 7 This is a schematic diagram of the internal dispersion structure of the regulating cylinder of a high-efficiency dewatering device for treating sludge according to the present invention; Figure 8 This is a schematic diagram of the hydraulic end dispersion structure of a high-efficiency dewatering device for treating sludge according to the present invention.

[0019] The attached figures are labeled as follows: Hydraulic press-100, hydraulic end-200, fixed plate-210, support rod-220, extrusion plate-230, sliding hole-231, adjusting rod-240, limit block-241, filter bag-300, hanging hole-310, support plate-400, support foot-410, water passage hole-420, gear ring groove-430, T-shaped ring groove-440, fixed ring-450, through groove-451, rotating groove-452, adjusting plate-453, rotating shaft-454, second return spring-455, rotating hole-460, water container-500, handle- 510, Control Mechanism - 600, Forward / Reverse Motor - 610, Waterproof Cover - 611, Drive Gear - 620, Gear Ring - 630, Limiting Rod - 640, Second Limiting Block - 641, Receiving Cylinder - 700, Receiving Cylinder Body - 710, Control Ring - 720, Control Hole - 721, Hanging Rod - 730, Adjusting Cylinder - 800, Annular Groove - 810, Vertical Slide Groove - 820, Protrusion - 830, T-Shaped Ring Block - 840, Abutment Ring - 850, Return Spring - 851, Inner Ring Plate - 860, Filter Disc - 900, Support Block - 910. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to embodiments. Of course, the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0021] Although the steps in this invention are arranged by reference numerals, this is not intended to limit the order of the steps. Unless the order of the steps is explicitly stated or the execution of a step requires other steps as a basis, the relative order of the steps can be adjusted. It is understood that the term "and / or" as used herein refers to and covers any and all possible combinations of one or more of the associated listed items.

[0022] Example like Figures 1-8As shown, a high-efficiency dewatering device for treating sludge includes a hydraulic press 100, with a hydraulic end 200 fixedly mounted at the output end of the hydraulic press 100; a support plate 400 is provided below the hydraulic end 200, and a receiving cylinder 700 is provided on the support plate 400, with a filter bag 300 hanging on the receiving cylinder 700; the receiving cylinder 700 is inserted into an adjusting cylinder 800, and the adjusting cylinder 800 is rotatably connected to the support plate 400; an inner ring plate 860 is fixedly mounted inside the adjusting cylinder 800, and a filter plate 900 is provided above the inner ring plate 860; a support block 910 is fixedly mounted in the middle of the filter plate 900, and the support block 910 is fixedly connected to the outer bottom of the filter bag 300; a water passage hole 420 is opened in the middle of the support plate 400, and support feet 410 are fixedly mounted at both ends of the support plate 400. The hydraulic end 200 includes a fixed plate 210 fixedly connected to the output end of the hydraulic press 100. The bottom of the fixed plate 210 is symmetrically fixed with support rods 220. The bottom ends of the support rods 220 are all fixedly connected to an extrusion plate 230. A sliding hole 231 is opened through the middle of the extrusion plate 230. An adjusting rod 240 is slidably connected to the sliding hole 231. A limiting block 241 is fixedly provided at the top end of the adjusting rod 240. The bottom end of the adjusting rod 240 is fixedly connected to the inner bottom of the filter bag 300.

[0023] This invention, through the cooperation of the hydraulic end 200 with the receiving cylinder 700 and the filter bag 300, enables rapid switching between dewatering and sludge unloading, greatly improving operational efficiency. Specifically, during dewatering, the hydraulic press 100 controls the extrusion plate 230 of the hydraulic end 200 to descend. Since the adjusting rod 220 is slidably connected to the sliding hole 231 in the middle of the extrusion plate 230, within the height space of the support rod 220 and under the limiting action of the inner ring plate 860, the extrusion plate 230 can smoothly extrude the filter bag 300. The water in the sludge is squeezed out and flows into the water passage 420 through the filter disc 900. After the dewatering is completed, the pressure disc 230 on the hydraulic end 200 is raised. Due to the limit block 241 of the adjusting rod 240, the rise of the pressure disc 230 can drive the filter disc 230 to move upward, thereby removing the sludge block. At the same time, the filter bag 300 can automatically flip outward, which is convenient for cleaning the inside of the filter bag 300 and making it easy to recycle. This allows for quick switching between dewatering and sludge unloading and cleaning, greatly improving the efficiency of operation.

[0024] It is worth noting that the hydraulic press 100 and other power equipment of the present invention are powered by an external power source, which is a conventional setting and will not be described in detail here.

[0025] It is worth emphasizing that cleaning the filter bag 300 includes, but is not limited to, rinsing and scraping.

[0026] Furthermore, a T-shaped ring block 840 is fixedly provided at the bottom of the adjusting cylinder 800, and a T-shaped ring groove 440 is provided on the support plate 400. The T-shaped ring block 840 is rotatably connected to the T-shaped ring groove 440. A vertical sliding groove 820 is symmetrically provided on the inner wall of the adjusting cylinder 800, and the support block 910 is slidably connected to the vertical sliding groove 820. An annular groove 810 is provided on the top of the side wall of the adjusting cylinder 800. A plurality of return springs 851 are uniformly fixedly connected to the bottom of the annular groove 810, and an abutment ring 850 is fixedly connected to the top of the return springs 851. The receiving cylinder 700 is inserted into the annular groove 810 and abuts against the abutment ring 850.

[0027] This structural design allows the regulating cylinder 800 and the receiving cylinder 700 to rotate relative to each other while also being brought closer together, thus ensuring the dewatering operation of the filter bag 300.

[0028] Furthermore, the receiving cylinder 700 includes a receiving cylinder body 710, and a plurality of hanging rods 730 are evenly fixed on the upper side wall of the receiving cylinder body 710. The hanging holes 310 of the filter bag 300 are hung on the hanging rods 730. A control ring 720 is fixed on the side wall of the receiving cylinder body 710 below the hanging rods 730, and a plurality of control holes 721 are evenly opened through the control ring 720.

[0029] Furthermore, the device also includes a control mechanism 600, which includes a gear ring 630; a gear ring groove 430 is formed on the top of the support disk 400, and the gear ring 630 is rotatably connected to the gear ring groove 430; the outer wall of the gear ring 630 is provided with tooth grooves; a plurality of limiting rods 640 are fixedly connected to the top of the gear ring 630, and the limiting rods 640 are slidably connected to the control hole 721; a second limiting block 641 is fixedly provided at the end of the limiting rod 640; a rotating hole 460 is formed on the support disk 400, and the rotating hole 460 is fixedly connected to the gear ring groove 430; a forward and reverse motor 610 is fixedly installed on the rotating hole 460, the output end of the forward and reverse motor 610 passes through the rotating hole 460 and a drive gear 620 is fixedly connected to the end, and the drive gear 620 meshes with the gear ring 630.

[0030] The present invention, through the structural design of the control mechanism 600, can control the rotation of the receiving cylinder 700 without hindering the lifting and lowering of the receiving cylinder 700, which facilitates the subsequent dehydration operation; the details will be described in detail later.

[0031] Furthermore, a waterproof cover 611 is fixedly installed on the support plate 400, and the forward and reverse motor 610 is located inside the waterproof cover 611.

[0032] It is worth noting that the forward and reverse motor 610 of the present invention can be driven in both the forward and reverse directions, which is a mature existing technology and will not be described in detail here; the waterproof cover 611 can isolate moisture and prevent the forward and reverse motor 610 from being submerged in water and short-circuiting.

[0033] Furthermore, a plurality of protrusions 830 are uniformly fixedly provided on the bottom of the outer side wall of the adjusting cylinder 800; an adjusting mechanism is fixedly provided on the support plate 400 located around the adjusting cylinder 800, the adjusting mechanism being used to control the relative position of the adjusting cylinder 800 and the receiving cylinder 700.

[0034] This invention, through the cooperation of the adjustment mechanism with the adjustment cylinder 800 and the receiving cylinder 700, can not only automatically tighten the filter bag 300 without manual control, but also fully drain the water inside the sludge, greatly improving the dewatering effect of the sludge, and is simple to operate; a detailed description will follow.

[0035] Furthermore, the adjustment mechanism includes a fixing ring 450 fixed to the top of the support plate 400. The fixing ring 450 has through slots 451 evenly distributed throughout it, and a rotating slot 452 is formed in the through slots 451. An adjustment plate 453 is rotatably connected to the rotating slot 452 via a rotating shaft 454. One side of the adjustment plate 453 is fixedly connected to the fixing ring 450 via a second return spring 455.

[0036] When performing sludge dewatering, the sludge is poured into the filter bag 300. Then, the gear ring 630 and the receiving cylinder 700 are controlled to rotate counterclockwise by the forward and reverse motor 610. The receiving cylinder 700 drives the filter bag 300 to rotate synchronously. Due to the limiting of the support block 910 and the vertical slide groove 820, the adjusting cylinder 800 will be driven to rotate synchronously counterclockwise. At this time, because the adjusting plate 453 is in limiting contact with the protrusion 830 and the adjusting plate 453 is limited by the through groove 451, the adjusting cylinder 800 is blocked and cannot rotate, thus preventing the receiving cylinder 700 and the adjusting cylinder 800 from rotating. The cylinder 800 rotates relative to the filter bag 300, automatically tightening the top for subsequent dewatering. The hydraulic press 100 controls the hydraulic end 200's extrusion disc 230 to descend and extrude the filter bag 300. At this time, the return spring 851 is compressed, causing the receiving cylinder 700 and the adjusting cylinder 800 to retract relative to each other. Under the constraint of the inner ring plate 860, the filter bag 300 is squeezed, expelling water. Simultaneously, since the sludge contains moisture, squeezing alone is insufficient for efficient drainage. Therefore, after a certain degree of squeezing, the water is further extruded through forward and reverse rotation... The rotary motor 610 controls the gear ring 630 and the receiving cylinder 700 to rotate clockwise, opening the filter bag 300. The hydraulic press 100 controls the extrusion disc 230 of the hydraulic end 200 to repeatedly rise and fall, causing the filter disc 900 to rise and fall synchronously, shaking off the initially extruded sludge and exposing the internal space of the sludge. Simultaneously, the receiving cylinder 700 continues to rotate clockwise. Due to the limiting effect of the support block 910 and the vertical slide 820, the filter bag 300 and the adjusting cylinder 800 rotate synchronously clockwise. Furthermore, because the adjusting cylinder 800 extrudes the filter bag 300, it further extrudes the filter bag 300. The section plate 453 compresses the second return spring 455, so the adjusting cylinder 800 is not blocked, allowing the receiving cylinder 700 and the adjusting cylinder 800 to rotate synchronously, throwing the water inside the sludge out to the outside; by controlling the bidirectional rotation of the forward and reverse motor 610 in this cycle, the water inside the sludge can be fully discharged until the sludge clumps can no longer be shaken apart and no more water is thrown out, at which point the sludge treatment is complete, greatly improving the sludge dewatering effect; and only by controlling the bidirectional rotation of the forward and reverse motor 610, the filter bag 300 can be automatically tightened and the drainage operation can be realized at the same time, making the operation simple.

[0037] Furthermore, when the second return spring 455 is in its normal state, the adjusting plate 453 is inclined to abut against the side wall of the adjusting cylinder 800; when the adjusting cylinder 800 rotates clockwise, the adjusting cylinder 800 presses the adjusting plate 453 and compresses the second return spring 455; when the adjusting cylinder 800 rotates counterclockwise, the adjusting plate 453 is limited to abut against the protrusion 830, and the adjusting plate 453 is limited by the through groove 451.

[0038] Furthermore, a water-holding cylinder 500 is placed below the water inlet 420, and a handle 510 is fixedly provided on the side wall of the water-holding cylinder 500. The water discharged is collected through the water-holding cylinder 500, and the handle 510 facilitates pulling out the water-holding cylinder 500.

[0039] A method for treating sludge using the aforementioned high-efficiency dewatering device for sludge treatment includes the following steps: S1. Sludge is poured into filter bag 300. Then, the gear ring 630 and receiving cylinder 700 are rotated counterclockwise by the forward and reverse motor 610. The receiving cylinder 700 drives the filter bag 300 to rotate synchronously. Due to the limiting of support block 910 and vertical slide groove 820, the adjusting cylinder 800 will rotate synchronously counterclockwise. At this time, because the adjusting plate 453 is limited and abutted by protrusion 830, and the adjusting plate 453 is limited by through groove 451, the adjusting cylinder 800 is blocked and cannot rotate, so that the receiving cylinder 700 and adjusting cylinder 800 achieve relative rotation. In this way, the top of filter bag 300 is automatically tightened. S2. The hydraulic press 100 controls the extrusion plate 230 of the hydraulic end 200 to descend and extrude the filter bag 300. At this time, the return spring 851 is compressed, and the receiving cylinder 700 and the adjusting cylinder 800 are relatively closed. Under the limit of the inner ring plate 860, the filter bag 300 is extruded and the water is squeezed out. S3. The gear ring 630 and the receiving cylinder 700 are controlled to rotate clockwise by the forward and reverse motor 610 to open the filter bag 300. The hydraulic press 100 controls the squeezing plate 230 of the hydraulic end 200 to rise and fall repeatedly, driving the filter plate 900 to rise and fall synchronously, shaking off the initially squeezed sludge. At the same time, the receiving cylinder 700 continues to rotate clockwise. Due to the limiting of the support block 910 and the vertical slide 820, the filter bag 300 and the adjusting cylinder 800 will rotate clockwise synchronously. And because the adjusting cylinder 800 squeezes the adjusting plate 453 and compresses the second reset spring 455, the adjusting cylinder 800 will not be blocked, so that the receiving cylinder 700 and the adjusting cylinder 800 rotate synchronously, throwing the water inside the sludge to the outside. S4. Repeat S1~S3 without adding sludge until the sludge lumps can no longer be shaken apart and no water is thrown out. The sludge treatment is then complete. At this time, the hydraulic press 100 controls the extrusion plate 230 to continue to rise, removing the sludge lumps from the filter bag 300. At this time, the filter bag 300 automatically flips outwards, making it easy to clean the inside of the filter bag 300 and facilitate recycling.

[0040] The above description is only a preferred embodiment of the present invention. It should be noted that those skilled in the art can make several improvements and modifications without departing from the inventive concept of the present invention, and these all fall within the protection scope of the present invention.

Claims

1. A high-efficiency dewatering device for treating sludge, characterized in that, The system includes a hydraulic press (100), the output end of which is fixedly provided with a hydraulic end (200); a support plate (400) is provided below the hydraulic end (200), a receiving cylinder (700) is provided on the support plate (400), and a filter bag (300) is hung on the receiving cylinder (700); the receiving cylinder (700) is inserted into an adjusting cylinder (800), and the adjusting cylinder (800) is rotatably connected to the support plate (400). The regulating cylinder (800) is fixedly provided with an inner ring plate (860), and a filter plate (900) is provided above the inner ring plate (860). A support block (910) is fixedly provided in the middle of the filter plate (900), and the support block (910) is fixedly connected to the outer bottom of the filter bag (300). A water passage hole (420) is opened in the middle of the support plate (400), and support feet (410) are fixed at both ends of the support plate (400). The hydraulic end (200) includes a fixed plate (210) fixedly connected to the output end of the hydraulic press (100). The bottom of the fixed plate (210) is symmetrically fixed with support rods (220). The bottom ends of the support rods (220) are all fixedly connected with an extrusion plate (230). A sliding hole (231) is opened through the middle of the extrusion plate (230). An adjusting rod (240) is slidably connected to the sliding hole (231). A limiting block (241) is fixedly provided at the top of the adjusting rod (240). The bottom end of the adjusting rod (240) is fixedly connected to the inner bottom of the filter bag (300).

2. The high-efficiency dewatering device for treating sludge according to claim 1, characterized in that, The bottom of the adjusting cylinder (800) is fixedly provided with a T-shaped ring block (840), and a T-shaped ring groove (440) is opened on the support plate (400). The T-shaped ring block (840) and the T-shaped ring groove (440) are rotatably connected. The inner wall of the adjusting cylinder (800) is symmetrically provided with vertical sliding grooves (820), and the support block (910) is slidably connected with the vertical sliding grooves (820). The top of the side wall of the adjusting cylinder (800) is provided with an annular groove (810), and a plurality of return springs (851) are evenly fixedly connected to the bottom of the annular groove (810). The top of the return springs (851) are all fixedly connected with an abutment ring (850). The receiving cylinder (700) is inserted into the annular groove (810) and abuts against the abutment ring (850).

3. The high-efficiency dewatering device for treating sludge according to claim 2, characterized in that, The receiving cylinder (700) includes a receiving cylinder body (710). Multiple hanging rods (730) are evenly fixed on the upper side wall of the receiving cylinder body (710). The hanging holes (310) of the filter bag (300) are hung on the hanging rods (730). A control ring (720) is fixed on the side wall of the receiving cylinder body (710) below the hanging rods (730). Multiple control holes (721) are evenly opened through the control ring (720).

4. The high-efficiency dewatering device for treating sludge according to claim 3, characterized in that, The device also includes a control mechanism (600), which includes a gear ring (630); a gear ring groove (430) is provided on the top of the support plate (400), and the gear ring (630) is rotatably connected to the gear ring (630) in the gear ring groove (430), and the outer wall of the gear ring (630) is provided with tooth grooves; a plurality of limiting rods (640) are fixedly connected to the top of the gear ring (630), and the limiting rods (640) are slidably connected to the control hole (721); the limiting rods (640) are slidably connected to the control hole (721); the limiting rods (640) are rotatably connected to the control hole (721); the limiting rods (640) are rotatably connected to the control hole (721); the limiting rods (640) are rotatably connected to the control hole (721); the limiting rods (640) are rotatably connected to the control hole (721); the controlling mechanism (640) is rotatably connected to the control hole (721) in the control hole (640) in ... A second limiting block (641) is fixedly provided at the end of the support plate (400); a rotating hole (460) is provided on the support plate (400), and the rotating hole (460) is fixedly connected to the gear ring groove (430); a forward and reverse motor (610) is fixedly installed on the rotating hole (460), the output end of the forward and reverse motor (610) passes through the rotating hole (460) and the end is fixedly connected to a drive gear (620), and the drive gear (620) meshes with the gear ring (630).

5. The high-efficiency dewatering device for treating sludge according to claim 4, characterized in that, A waterproof cover (611) is fixedly installed on the support plate (400), and the forward and reverse motor (610) is located inside the waterproof cover (611).

6. The high-efficiency dewatering device for treating sludge according to claim 4, characterized in that, The bottom of the outer side wall of the adjusting cylinder (800) is uniformly provided with a plurality of protrusions (830); an adjusting mechanism is fixedly provided on the support plate (400) located around the adjusting cylinder (800), the adjusting mechanism being used to control the relative position of the adjusting cylinder (800) and the receiving cylinder (700).

7. The high-efficiency dewatering device for treating sludge according to claim 6, characterized in that, The adjustment mechanism includes a fixed ring (450) fixed to the top of the support plate (400), and a through groove (451) is evenly provided on the fixed ring (450). A rotating groove (452) is provided on the through groove (451). An adjustment plate (453) is rotatably connected to the rotating groove (452) via a rotating shaft (454). One side of the adjustment plate (453) is fixedly connected to the fixed ring (450) via a second return spring (455).

8. The high-efficiency dewatering device for treating sludge according to claim 7, characterized in that, When the second return spring (455) is in the normal state, the adjusting plate (453) is inclined to abut against the side wall of the adjusting cylinder (800); when the adjusting cylinder (800) rotates clockwise, the adjusting cylinder (800) squeezes the adjusting plate (453) and compresses the second return spring (455); when the adjusting cylinder (800) rotates counterclockwise, the adjusting plate (453) is limited to abut against the protrusion (830), and the adjusting plate (453) is limited by the through groove (451).

9. The high-efficiency dewatering device for treating sludge according to claim 1, characterized in that, A water container (500) is placed below the water inlet (420), and a handle (510) is fixedly provided on the side wall of the water container (500).

10. A method for treating sludge using the high-efficiency dewatering device for sludge treatment as described in any one of claims 1 to 9, characterized in that, Includes the following steps: S1. Pour the sludge into the filter bag (300), and then control the gear ring (630) and the receiving cylinder (700) to rotate counterclockwise through the forward and reverse motor (610). The receiving cylinder (700) drives the filter bag (300) to rotate synchronously. Due to the limiting of the support block (910) and the vertical slide groove (820), the adjusting cylinder (800) will rotate synchronously counterclockwise. At this time, because the adjusting plate (453) and the protrusion (830) are in limiting contact, and the adjusting plate (453) is limited by the through groove (451), the adjusting cylinder (800) is blocked and cannot rotate, so that the receiving cylinder (700) and the adjusting cylinder (800) achieve relative rotation. In this way, the top of the filter bag (300) is automatically tightened. S2. The hydraulic press (100) controls the extrusion plate (230) of the hydraulic end (200) to descend and extrude the filter bag (300). At this time, the return spring (851) is compressed, and the receiving cylinder (700) and the adjusting cylinder (800) are relatively closed. Under the limit of the inner ring plate (860), the filter bag (300) is extruded and the water is squeezed out. S3. The filter bag (300) is opened by controlling the gear ring (630) and the receiving cylinder (700) to rotate clockwise through the forward and reverse motor (610). The extrusion plate (230) of the hydraulic end (200) is repeatedly raised and lowered by the hydraulic press (100), which drives the filter plate (900) to rise and fall synchronously, shaking off the initially squeezed sludge. At the same time, the receiving cylinder (700) is controlled to rotate clockwise. Due to the limit of the support block (910) and the vertical slide (820), the filter bag (300) and the adjusting cylinder (800) will rotate clockwise synchronously. Because the adjusting cylinder (800) squeezes the adjusting plate (453) and compresses the second reset spring (455), the adjusting cylinder (800) will not be blocked, so that the receiving cylinder (700) and the adjusting cylinder (800) rotate synchronously, throwing the water inside the sludge out to the outside. S4. Repeat S1~S3 without adding sludge until the sludge lumps can no longer be shaken apart and no water is thrown out. The sludge treatment is then complete. At this time, the hydraulic press (100) controls the extrusion plate (230) to continue to rise and remove the sludge lumps from the filter bag (300). At this time, the filter bag (300) automatically flips outwards, which is convenient for cleaning the inside of the filter bag (300) and for recycling.

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