Slurry dehydration treatment device

Abstract

The invention discloses a slurry dehydration treatment device, which relates to the technical field of sludge treatment, and comprises a support assembly and a pressure assembly, the supporting assembly comprises a dewatering piece, and the dewatering piece comprises a filter screen; the filter screen is arranged below the pressure assembly; the pressure assembly comprises a pressing piece, a rubber ring, a pressing net and a connecting rope; the pressing piece comprises a pressing block; the number of the pressing blocks is two, and the two pressing blocks are rotationally connected. The rubber ring is fixed on the pressing block, and the pressing net is fixed below the rubber ring and wraps the pressing block; two ends of the connecting rope are respectively fixed in the filter net and below the pressing net; the device can realize the effects that the edge of a mud cake is dehydrated quickly and the center of the mud cake is slow due to traditional pressing, two pressing blocks can be far away from each other and then reset, the caked large mud cake is clamped and crushed, the large mud cake is crushed into small blocks, an original compact structure is broken, the water content of the center of the mud cake is remarkably reduced, and the overall dehydration effect and quality are improved.

Description

Technical Field

[0001] This invention relates to the field of sludge treatment technology, and more particularly to a sludge dewatering treatment device. Background Technology

[0002] In numerous fields such as municipal sludge, industrial sludge, river dredging, and drilling mud, dewatering is a crucial step in achieving volume reduction, stabilization, and resource recovery. As a core dewatering device, the filter press works by applying high pressure to the sludge through filter chambers composed of filter cloth or plates, forcing water to pass through the filter medium and forming a sludge cake with low moisture content. However, in practical applications, existing technologies generally suffer from several pain points that urgently need to be addressed.

[0003] First, the resulting sludge cake easily and firmly adheres to the filter cloth or plates of the filter press. Currently, sludge cake removal mainly relies on manual operation or simple mechanical scraping. This method is not only inefficient and increases the labor intensity of workers, but also, over long-term operation, fine sludge particles will gradually clog the pores of the filter cloth and harden on it. If frequent and thorough cleaning is not performed, it will significantly affect the filtration permeability of the filter cloth, leading to a continuous decline in dewatering efficiency and even damage to the equipment.

[0004] Secondly, during the pressing and dehydration process, the edge area of ​​the mud cake experiences greater mechanical pressure and is dehydrated more thoroughly; however, due to pressure transmission attenuation and a longer drainage path, the center area of ​​the mud cake is difficult to completely drain water, resulting in a much higher water content than the edge area. This uneven dehydration effect leads to an unsatisfactory overall solids content in the final mud cake, which not only increases subsequent transportation and processing costs but may also affect its quality for resource utilization. Summary of the Invention

[0005] This application provides a mud dewatering treatment device that solves the problem in the prior art where mud cake removal mainly relies on manual operation or simple mechanical scraping; during the pressing dewatering process, the edge area of ​​the mud cake experiences high mechanical pressure and is dewatered more thoroughly, while the center area of ​​the mud cake, due to pressure transmission attenuation and a longer drainage path, has difficulty in completely draining water, resulting in a much higher water content than the edge area. The device addresses this problem by repeatedly lifting the pressure block and pulling the connecting rope to vibrate the filter screen. This effectively prevents fine particles from clogging the mesh, accelerates the initial filtration of water, and improves the initial dewatering process. The efficiency is improved by pressing the mud cake with a briquette. After dehydration, the filter screen and the pressing screen are pulled synchronously by the connecting rope when the briquette is lifted, causing them to deform and vibrate. This vibration can effectively separate the mud cake formed after dehydration from the filter screen, avoiding the problem of the mud cake adhering firmly and requiring manual peeling. Traditional pressing will cause the mud cake to dehydrate quickly at the edges and slowly in the center. The two briquettes can move away from each other and then reset, clamping and crushing the large mud cakes that have clumped together, breaking the original dense structure, significantly reducing the water content in the center of the mud cake, and improving the overall dehydration effect and quality.

[0006] This application provides a mud dewatering treatment device, including a support assembly and a pressure assembly; The support components include a dehydration element, which includes a filter screen; The filter screen is located below the pressure assembly; The pressure assembly includes a pressing element, a rubber ring, a pressing net, and a connecting rope; The pressing component includes a pressing block; There are two pressure blocks, which are rotatably connected to each other. The rubber ring is fixed to the pressure block, and the pressing net is fixed below the rubber ring, with the pressing net wrapping around the pressure block; The two ends of the connecting rope are fixed inside the filter screen and below the pressing screen, respectively. Filter screens are used to filter mud, and briquetting blocks are used to press the mud and mud cake together. During mud dewatering, the two pressing blocks move away from each other and then reset, clamping the crushed and filtered mud cake; After the mud is dewatered, when the briquette is lifted, the filter screen and the pressing screen are pulled by the connecting rope, causing both of them to deform.

[0007] As an improvement, in its initial state, the filter screen is a hemispherical shape with an opening at the top; In its initial state, the pressing net is a hollow sphere with an opening at the top; When the two blocks are in contact with each other, they form a hemispherical shape with an opening at the top. During the descent of the briquettes, the height of the upper side of the briquettes is always higher than the height of the mud slurry surface; The two pressure blocks are made of rubber on one side. Press the upper opening of the mesh to fix it to the outer ring of the rubber ring; The pressing mesh does not contact the outer surface of the pressing block when there is no external force. The pressure block is located directly above the filter screen; The volume of the filter screen is three-fifths of the volume of the press screen. The hemispherical outer surface formed by the two pressing blocks in a close fit can completely fit the inner ring of the filter screen; The mesh diameter of the pressing net and the filter net is four-thirds of the diameter of the mud particles.

[0008] As an improvement, the support components also include a frame and a base plate; The upright frame is inverted U-shaped, the base plate is ring-shaped, and the lower end of the upright frame is fixed to the base plate; The dewatering components also include an outer cylinder, a retaining ring, an inner cylinder, a connecting rod, a collecting cylinder, a fixing net, and a drain pipe; Both the outer and inner cylinders are cylindrical shapes that run through their axes, and the axes of the outer and inner cylinders are on the same straight line. The outer cylinder is fixed inside the upright frame; There are two connecting rods, which are symmetrically fixed on both sides of the inner cylinder. The end of the connecting rod away from the inner cylinder is fixed to the upright frame. The inner cylinder is located inside the outer cylinder, and a gap is left between the inner and outer cylinders for the mud cake to pass through; The fixing ring is annular with a triangular cross-section and is located at the upper end of the inner cylinder. The fixing mesh is in the shape of a ring, with the upper part of the fixing mesh fixed to the top of the inner ring, and the filter screen fixed to the lower part of the fixing mesh; The lower end of the fixed mesh extends into the inner cylinder, and the diameter of the fixed mesh is the same as the diameter of the filter mesh. The collecting cylinder is a hemispherical shape with an opening at the top. The upper end of the collecting cylinder is fixed to the lower end of the inner cylinder, and the drain pipe is fixed below the collecting cylinder and is connected to the collecting cylinder. The drain pipe is installed on the upright frame at the end furthest from the collection cylinder.

[0009] As an improvement, the connecting rod has a triangular cross-section, with the upper end of the connecting rod being a pointed tip; The outer ring of the retaining ring is an inclined surface; The drain pipe runs through one end of the support frame, located directly below the connecting rod.

[0010] As an improvement, the support components also include power components; The power components include a second motor, a telescopic rod, a mounting plate, and a rotating rod; The second motor is fixed to the upper end of the upright, the telescopic rod is rotatably connected to the inner top side of the upright, and the output end of the second motor is fixed to the rotating shaft that rotatably connects the telescopic rod and the upright; Motor 2 is used to drive the telescopic rod to rotate; The mounting plate is fixed to the lower end of the telescopic rod, and there are two rotating rods, which are symmetrically fixed on both sides of the mounting plate; The telescopic rod is used to adjust the height of the pressure assembly.

[0011] As an improvement, the pressing component also includes a connecting plate, a clamping plate, and an adsorption assembly; There are two clamping plates and two connecting plates, which correspond to two pressure blocks respectively. The clamping plates are arc-shaped and fixed inside the pressure blocks. A connecting plate is fixed inside the pressure block, and the end of the connecting plate away from the pressure block is rotatably connected to the rotating rod. When the two pressure blocks are pressed together, the two clamping plates are pressed together. There are two adsorption groups, each corresponding to one of the two clamping plates; The adsorption assembly includes an electromagnet, which is fixed to the clamp. The electromagnets in the two adsorption groups repel each other on their closest sides, so that when the two pressure blocks rotate, the rotation axes of the two pressure blocks are on the same straight line.

[0012] As an improvement, the support components also include iron balls; There are multiple iron balls, which are evenly spaced and fixed inside the filter screen.

[0013] As an improvement, a single adsorption group includes multiple electromagnets; Multiple electromagnets are fixed in an arc shape on the clamp plate in sequence.

[0014] As an improvement, the support components also include a scraper; The scraping components include a scraper, a toothed ring, a mounting port, a motor, gears, and a rotary bearing; The outer ring of the rotary bearing is fixed to the inner wall of the inner cylinder, and the gear ring is fixed to the inner ring of the rotary bearing; The scraper is cross-shaped, the scraper is bowl-shaped, and the scraper is fixed to the inner ring of the toothed ring; When the filter screen is not under stress, the scraper is in close contact with the filter screen; An installation port is opened on the side of the inner cylinder. Motor 1 is fixed in the installation port. A gear is fixed at the output end of motor 1. The gear and the gear ring mesh with each other. Both the motor and the gear are located directly below the connecting rod.

[0015] As an improvement, the pressing component also includes an adsorption block, a sewage pump, and a sewage inlet; There are two adsorption blocks and two sewage pumps, each corresponding to one of the two pressure blocks; The adsorption block is arc-shaped and is fixed on one side of the two clamps that are far apart from each other; Multiple sewage inlets are provided on the side of the two clamps that are close to each other, and they are evenly spaced in an arc shape. The adsorption block is hollow inside, with the sewage inlet connected to the adsorption block. The sewage pump is fixed inside the pressure block, and the input end of the sewage pump is connected to the adsorption block.

[0016] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages: Firstly, by repeatedly lifting the pressing block and pulling the connecting rope, the filter screen vibrates, which effectively prevents fine particles from clogging the mesh, accelerates the initial filtration of water, and improves the efficiency of initial dehydration. After dehydration by pressing the pressing block, when the pressing block is lifted, the connecting rope simultaneously pulls the filter screen and the pressing screen, causing them to deform and vibrate. This vibration effectively separates the mud cake formed after dehydration from the filter screen, avoiding the problem of the mud cake adhering firmly and requiring manual peeling. Traditional pressing causes the mud cake to dehydrate quickly at the edges and slowly at the center. The two pressing blocks can move away from each other and then reset, clamping and crushing the large mud cake clumps, breaking the original dense structure, significantly reducing the water content in the center of the mud cake, and improving the overall dehydration effect and quality.

[0017] Secondly, when the two blocks separate, the electromagnets on the clamping plates are energized to generate magnetic force, attracting the iron balls located deep within the mud cake. As the iron balls rise, they pull the surrounding mud cake into the space between the two blocks. When the blocks return to their original position, they not only crush the surface mud cake but also forcibly pull and crush the deeper parts of the mud cake, resulting in more thorough crushing and more uniform dehydration. By controlling the energization of electromagnets at different positions, the iron balls at different locations can be flexibly selected for adsorption. This allows for precise clamping and crushing of the mud cake within the filter screen from multiple angles and positions, avoiding potential dead zones from repetitive operations at a single location, resulting in a more comprehensive treatment effect.

[0018] Thirdly, during the pressing process, the scraper rotates continuously, scraping away the moisture on the outer surface of the filter screen, effectively preventing secondary reabsorption of moisture. This ensures that the moisture released with each press is removed immediately, further reducing the final moisture content of the mud cake and significantly improving dehydration efficiency and quality. Simultaneously, surface moisture is removed during the clamping and crushing process. As the mud cake is being crushed by the two pressing blocks, new moisture is generated. During the clamping operation, the suction pump is activated to directly suck away the squeezed surface moisture through the inlet, preventing the moisture generated during the crushing process from re-contaminating the mud cake and ensuring the dryness of the mud cake. Attached Figure Description

[0019] Figure 1 This is a perspective view of a mud dewatering treatment device according to the present invention; Figure 2 This is a perspective sectional view of a mud dewatering treatment device according to the present invention; Figure 3 This is a schematic diagram of the dewatering component of a mud dewatering treatment device according to the present invention; Figure 4 This is a cross-sectional view of the pressure component of a mud dewatering treatment device according to the present invention; Figure 5 This is a schematic diagram of the pressure component structure of a mud dewatering treatment device according to the present invention; Figure 6 This is a schematic diagram of the pressing screen installation of a mud dewatering treatment device according to the present invention; Figure 7 This is a schematic diagram of the two pressing blocks in the bonding state of a mud dewatering treatment device according to the present invention; Figure 8 This is a schematic diagram of a single pressing component of a mud dewatering treatment device according to the present invention; Figure 9 This is a schematic diagram of the adsorption block structure of a mud dewatering treatment device according to the present invention; Figure 10 This is a schematic diagram of the two pressing blocks of a mud dewatering treatment device of the present invention in a state of mutual separation; Figure 11 This is a schematic diagram of the iron ball installation in a mud dewatering treatment device according to the present invention; Figure 12 This is a schematic diagram of multiple electromagnets in a mud dewatering treatment device according to the present invention; Figure 13 This is a schematic diagram of the scraper structure of a mud dewatering treatment device according to the present invention; Figure 14 This is a schematic diagram of the installation of the scraper component in a mud dewatering treatment device according to the present invention. Figure 1 ; Figure 15 This is a schematic diagram of the installation of the scraper component in a mud dewatering treatment device according to the present invention. Figure 2 .

[0020] In the diagram: 100, Support assembly; 110, Frame; 120, Base plate; 130, Dewatering component; 131, Outer cylinder; 132, Fixing ring; 133, Inner cylinder; 134, Connecting rod; 135, Gathering cylinder; 136, Fixing net; 137, Filter screen; 138, Drain pipe; 140, Scraper; 141, Scraper; 142, Gear ring; 143, Mounting port; 144, Motor 1; 145, Gear; 146. 150. Rotary bearing; 151. Power component; 152. Motor II; 153. Telescopic rod; 154. Mounting plate; 155. Rotating rod; 160. Iron ball; 200. Pressure assembly; 210. Pressing component; 211. Pressing block; 212. Connecting plate; 213. Clamping plate; 214. Adsorption block; 215. Sewage pump; 216. Electromagnet; 217. Sewage inlet; 220. Rubber ring; 230. Pressing net; 240. Connecting rope. Detailed Implementation

[0021] To facilitate understanding of the present invention, a more complete description of this application will be given below with reference to the accompanying drawings, which illustrate preferred embodiments of the invention. However, the invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to enable a more thorough and complete understanding of the disclosure of the present invention.

[0022] It should be noted that the terms "vertical," "horizontal," "up," "down," "left," "right," and similar expressions used in this article are for illustrative purposes only and do not represent the only possible implementation.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to limit the invention; the term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0024] Example 1: As Figures 1-10 As shown, this application discloses a mud dewatering treatment device, which includes a support assembly 100 and a pressure assembly 200; The support assembly 100 includes a frame 110, a base plate 120, a dehydration component 130, and a power component 150; The dewatering component 130 includes an outer cylinder 131, a fixing ring 132, an inner cylinder 133, a connecting rod 134, a collecting cylinder 135, a fixing net 136, a filter net 137, and a drain pipe 138; Filter 137 is positioned below pressure assembly 200; The pressure assembly 200 includes a pressing element 210, a rubber ring 220, a pressing net 230, and a connecting rope 240; The pressing component 210 includes a pressing block 211, a connecting plate 212, a clamping plate 213, and an adsorption assembly; There are two pressure blocks 211, and the two pressure blocks 211 are rotatably connected to each other; When the two pressure blocks 211 are in contact with each other, they form a hemispherical shape with an opening at the top; During the descent of the briquette 211, the height of the upper side of the briquette 211 is always higher than the height of the mud slurry surface; The two pressure blocks 211 have one side made of rubber. Specifically, one side of each of the two pressing blocks 211 is made of rubber, which can fit tightly together to prevent water in the mud from entering between the two pressing blocks 211 through the gaps when pressing down on the mud.

[0025] Specifically, during the descent of the briquette 211, the height of the upper side of the briquette 211 is always higher than the height of the mud slurry surface, which can prevent the mud slurry from entering the briquette 211 from above.

[0026] The rubber ring 220 is fixed on the pressure block 211, and the pressing net 230 is fixed below the rubber ring 220, and the pressing net 230 wraps around the pressure block 211; In its initial state, filter 137 is a hemispherical shape with an opening at the top; In its initial state, the pressing net 230 is a hollow sphere with an opening at the top; The upper opening of the pressing mesh 230 is fixed to the outer ring of the rubber ring 220; When there is no external force, the pressing mesh 230 does not contact the outer surface of the pressing block 211; The two ends of the connecting rope 240 are fixed inside the filter screen 137 and below the pressing screen 230, respectively. Press block 211 is located directly above filter screen 137; The volume of filter screen 137 is three-fifths of the volume of the press screen 230; The hemispherical outer surface formed by the two pressing blocks 211 in a mutually fitted state can completely fit the inner ring of the filter screen 137; Filter screen 137 is used to filter mud, and briquette 211 is used to press mud and mud cake; The mesh diameter of the pressing mesh 230 and the filter mesh 137 is four-thirds of the diameter of the mud particles.

[0027] During mud dewatering, the two pressing blocks 211 move away from each other and then reset, clamping the crushed and filtered mud cake.

[0028] After the mud is dewatered, when the briquette 211 is raised, the filter screen 137 and the pressing screen 230 are pulled by the connecting rope 240, causing both of them to deform.

[0029] Specifically, when dewatering the mud, the mud can be transported into the filter screen 137. First, the mud is initially filtered through the filter screen 137 by gravity. During the initial filtration process, the height of the high pressure block 211 can be continuously increased, thereby pulling the filter screen 137 through the connecting rope 240, causing the filter screen 137 to vibrate as a whole, thus improving the initial filtration effect. After the mud has been initially filtered, the height of the pressing block 211 is lowered so that it enters the filter screen 137. The pressing block 211 presses the mud in the filter screen 137, thereby continuously reducing the water content of the mud and pressing it into a mud cake. After the mud is pressed into a mud cake, the height of the pressing block 211 can be continuously raised and lowered, thereby causing the filter screen 137 to vibrate and separate the bowl-shaped mud cake into multiple small pieces. Then, the pressing block 211 is lowered to the surface of the mud cake. After the two pressing blocks 211 separate from each other, they are reset. During the reset process, the downward pressure is continuously output, clamping the pressing screen 230 and the mud cake that has been crushed and filtered and stuck together between the two pressing blocks 211 for crushing. The mud cake can also be pressed and dehydrated again. Crushing clumps of mud cake can prevent uneven pressure on the mud cake and insufficient pressing in the central area, which would result in a higher moisture content than the edge areas.

[0030] Since the pressing net 230 is fixed by the rubber ring 220 and does not contact the pressing block 211 when the pressing net 230 is not under force, the pressing net 230 and the clumped mud cake can be clamped together between the two pressing blocks 211 when the two pressing blocks 211 are separated and reset.

[0031] After the dehydration operation is completed, by continuously raising the height of the high pressure block 211, the filter screen 137 is pulled by the connecting rope 240, causing the filter screen 137 to flip over as a whole, so that the mud cake inside the filter screen 137 is detached and falls off automatically from all four sides. Furthermore, when the connecting rope 240 pulls the filter screen 137, the pressing screen 230 also deforms, causing the mud cake attached to the surface to detach.

[0032] The upright frame 110 is inverted U-shaped, the base plate 120 is annular, and the lower end of the upright frame 110 is fixed to the base plate 120. Both the outer cylinder 131 and the inner cylinder 133 are cylindrical shapes that run through their axes, and the axes of the outer cylinder 131 and the inner cylinder 133 are on the same straight line. The outer cylinder 131 is fixed inside the upright frame 110; There are two connecting rods 134, which are symmetrically fixed on both sides of the inner cylinder 133. The end of the connecting rod 134 away from the inner cylinder 133 is fixed on the upright frame 110. The connecting rod 134 has a triangular cross-section, with the upper end of the connecting rod 134 being a pointed tip; The inner cylinder 133 is located inside the outer cylinder 131, and there is a gap between the inner cylinder 133 and the outer cylinder 131 for the mud cake to pass through; The fixing ring 132 is annular, and the cross-section of the fixing ring 132 is triangular. The fixing ring 132 is located at the upper end of the inner cylinder 133. The outer ring of the retaining ring 132 is an inclined surface; Specifically, the mud cake that falls out of the filter screen 137 falls to the bottom through the gap between the outer cylinder 131 and the inner cylinder 133, where a conveyor belt can be installed for conveying. When the mud cake falls onto the fixing ring 132 and the connecting rod 134, since the cross-sections of the fixing ring 132 and the connecting rod 134 are triangular, the interception of the mud cake can be reduced, allowing the mud cake to slide off the inclined surface.

[0033] The fixed mesh 136 is ring-shaped, with the upper end of the fixed mesh 136 fixed to the uppermost end of the inner ring of the fixed ring 132, and the filter mesh 137 fixed to the lower end of the fixed mesh 136; The lower end of the fixed mesh 136 extends into the inner cylinder 133, and the mesh diameter of the fixed mesh 136 is the same as the mesh diameter of the filter mesh 137. Specifically, the fixing net 136 is fixed above the filter net 137. When the mud is poured in, the mud level is always below the fixing net 136. The fixing net 136 provides additional anti-overflow height for the mud, preventing the mud from overflowing from the filter net 137 and the fixing net 136 when the filter net 137 vibrates due to the pulling of the connecting rope 240. The collecting cylinder 135 is a hemispherical shape with an opening at the top. The upper end of the collecting cylinder 135 is fixed to the lower end of the inner cylinder 133, and the drain pipe 138 is fixed below the collecting cylinder 135. The drain pipe 138 is connected to the collecting cylinder 135. The drain pipe 138 is installed with one end away from the collection cylinder 135 and passes through the support frame 110.

[0034] One end of the drain pipe 138 that passes through the support frame 110 is located directly below the connecting rod 134.

[0035] Specifically, the water filtered and separated from the sludge falls into the collecting cylinder 135 and is discharged through the drain pipe 138 below the collecting cylinder 135.

[0036] The power component 150 includes a second motor 151, a telescopic rod 152, a mounting plate 153, and a rotating rod 154; Motor 151 is fixed to the upper end of the support frame 110, and telescopic rod 152 is rotatably connected to the inner top side of the support frame 110. The output end of motor 151 is fixed to the rotating shaft on which telescopic rod 152 is rotatably connected to support frame 110. Motor 151 is used to drive the telescopic rod 152 to rotate; Mounting plate 153 is fixed to the lower end of telescopic rod 152. There are two rotating rods 154, which are symmetrically fixed on both sides of mounting plate 153. The telescopic rod 152 is used to adjust the height of the pressure assembly 200.

[0037] Specifically, the height of the pressure component 200 is adjusted by the telescopic rod 152 to press the sludge into a sludge cake; and the pressure component 200 can be rotated by the motor 151 to facilitate the two pressing blocks 211 to fully clamp and crush the sludge cake.

[0038] When the crushed mud cake is held between the two pressure blocks 211, the pressure assembly 200 can be rotated by the motor 2151 to adjust the position of the two pressure blocks 211.

[0039] There are two clamping plates 213 and two connecting plates 212. The two clamping plates 213 and the two connecting plates 212 correspond to the two pressure blocks 211 respectively. The clamping plates 213 are arc-shaped and are fixed inside the pressure blocks 211. The pressure block 211 has a fixed connecting plate 212 inside, and the end of the connecting plate 212 away from the pressure block 211 is rotatably connected to the rotating rod 154. When the two pressure blocks 211 are in contact with each other, the two clamping plates 213 are in contact with each other; There are two adsorption groups, each corresponding to one of the two clamping plates 213; The adsorption assembly includes an electromagnet 216, which is fixed on a clamping plate 213. The electromagnets 216 in the two adsorption groups repel each other on their closest sides, so that when the two pressure blocks 211 rotate, the rotation axes of the two pressure blocks 211 are on the same straight line.

[0040] Specifically, the two pressing blocks 211 rotate relative to each other by repulsion or attraction between the electromagnets 216 in the two adsorption groups on their sides, thereby clamping and dispersing the agglomerated mud cake; and the pressing blocks 211 clamp the mud cake that is clamped inside.

[0041] The technical solutions described in the embodiments of this application have at least the following technical effects or advantages: By repeatedly lifting the pressure block 211 and pulling the connecting rope 240, the filter screen 137 vibrates. This effectively prevents fine particles from clogging the mesh, accelerates the initial filtration of water, and improves the efficiency of initial dehydration. After dehydration by pressing the pressure block 211, when lifting the pressure block 211, the connecting rope 240 simultaneously pulls the filter screen 137 and the pressing screen 230, causing them to deform and vibrate. This vibration effectively separates the mud cake formed after dehydration from the filter screen 137, avoiding the problem of the mud cake adhering firmly and requiring manual peeling. Traditional pressing causes the mud cake to dehydrate quickly at the edges and slowly at the center. The two pressure blocks 211 can move away from each other and then reset, clamping and crushing the large mud cake clumps, breaking the original dense structure, significantly reducing the water content in the center of the mud cake, and improving the overall dehydration effect and quality.

[0042] Example 2: In the above embodiment, the agglomerated mud cake is dispersed by the separation and repositioning of the two pressing blocks 211. However, when the two pressing blocks 211 are separated and then repositioned, they can only hold the surface of the mud cake and cannot hold the mud cake located deep inside. Based on this, the solution of Example 1 is improved, such as... Figures 11-12 As shown: The support component 100 also includes iron balls 160; There are multiple iron balls 160, which are evenly spaced and fixed inside the filter screen 137.

[0043] Specifically, during the separation of the two pressing blocks 211, the electromagnet 216 can attract the iron ball 160 in the filter screen 137, and attract the iron ball 160 located between the two pressing blocks 211 into the space between the two clamping plates 213, sending the sludge cake into the space between the two pressing blocks 211, the clamping plates 213 and the pressing net 230, and dispersing the clumped sludge through the clamping pressure; after the clumped sludge is dispersed, the overall height of the pressing block 211 is raised, the two pressing blocks 211 separate, and the clamped and dispersed sludge falls back into the filter screen 137.

[0044] As the iron ball 160 travels through the mud cake, it also squeezes, cuts, and agitates the mud cake, further damaging its structure.

[0045] The clamping position can be adjusted by rotating the motor 151.

[0046] A single adsorption group comprises multiple electromagnets 216; Multiple electromagnets 216 are fixed in an arc shape on the clamping plate 213.

[0047] Specifically, the separation and resetting of the two pressing blocks 211 can be controlled by electromagnets 216 at different positions. During this process, iron balls 160 at different positions in the filter screen 137 can be adsorbed, thereby achieving all-round pressing and separation of clumps. It can separate clumped sludge in a single location; to avoid the situation where the clumps are thick and the iron balls 160 on the same arc are adsorbed and resist the clumped sludge, resulting in a large amount of sludge cake that cannot be completely inserted between the two compacts 211. The technical solutions described in the embodiments of this application have at least the following technical effects or advantages: When the two pressing blocks 211 separate, the electromagnet 216 on the clamping plate 213 is energized to generate magnetic force, attracting the iron ball 160 located deep in the mud cake. As the iron ball 160 rises, it pulls the surrounding mud cake into the space between the two pressing blocks 211. When the pressing blocks 211 reset and clamp, it can not only crush the surface mud cake, but also forcibly pull and crush the deeper part of the mud cake, making the crushing more thorough and the dehydration more uniform. By controlling the energization of the electromagnet 216 at different positions, the iron ball 160 at different positions can be flexibly selected for adsorption. This allows for precise clamping and crushing of the mud cake in the filter screen 137 at multiple angles and positions, avoiding dead zones that may exist from repeated operations at a single position, and resulting in a more comprehensive treatment effect.

[0048] Example 3: When using the above device, the mud is dewatered by pressing. However, during the pressing dewatering operation, the pressed mud water condenses into water droplets on the lower surface of the filter screen 137. After the pressure is released, the water that has not condensed into water droplets on the lower surface of the filter screen 137 is immediately reabsorbed into the mud cake. Based on this, the solution of Example 2 is improved, such as... Figures 13-15 As shown: The support assembly 100 also includes a scraper 140; The scraping component 140 includes a scraper 141, a toothed ring 142, a mounting port 143, a motor 144, a gear 145, and a rotary bearing 146; The outer ring of the rotary bearing 146 is fixed to the inner wall of the inner cylinder 133, and the toothed ring 142 is fixed to the inner ring of the rotary bearing 146. The scraper 141 is cross-shaped, the scraper 141 is bowl-shaped, and the scraper 141 is fixed to the inner ring of the toothed ring 142. When the filter screen 137 is not under stress, the scraper 141 is in close contact with the filter screen 137. An installation port 143 is opened on the side of the inner cylinder 133. The motor 144 is fixed in the installation port 143. The output end of the motor 144 is fixed with a gear 145. The gear 145 meshes with the gear ring 142. Both motor 144 and gear 145 are located directly below connecting rod 134. Specifically, during the process of pressing the mud through the pressing block 211, the rotating bearing 146 and scraper 141 are rotated as a whole by the motor 144 and gear 145. During the rotation, the water under the filter screen 137 is continuously scraped off to prevent the water that has not yet condensed into water droplets from being absorbed back into the mud cake after the pressure is released. Furthermore, since both motor 144 and gear 145 are located directly below connecting rod 134, the mud cake will not fall onto motor 144 and gear 145 when cleaning the mud cake after dehydration.

[0049] The pressing component 210 also includes an adsorption block 214, a sewage pump 215, and a sewage inlet 217; There are two adsorption blocks 214 and two sewage suction pumps 215, which correspond to two pressure blocks 211 respectively; The adsorption block 214 is arc-shaped and is fixed on the side of the two clamping plates 213 that are far apart from each other. A sewage inlet 217 is opened on one side of the two clamping plates 213 that are close to each other. There are multiple sewage inlets 217, which are evenly spaced in an arc shape. The adsorption block 214 is hollow inside, the sewage inlet 217 is connected to the adsorption block 214, the sewage pump 215 is fixed inside the pressure block 211, and the input end of the sewage pump 215 is connected to the adsorption block 214.

[0050] Specifically, during the process of pressing and dispersing the clumped sludge cake by separating and resetting the two pressing blocks 211, the water on the surface of the sludge can be removed by suction pump 215 through adsorption during the clamping process; this avoids the inability to collect the water generated during the clamping process of the two pressing blocks 211, which would cause the water to re-enter the sludge cake.

[0051] The technical solutions described in the embodiments of this application have at least the following technical effects or advantages: During the pressing process, the scraper 141 rotates continuously, scraping away the moisture on the outer surface of the filter screen 137, effectively preventing secondary reabsorption of moisture, so that the moisture released with each pressing can be removed immediately, thereby further reducing the final moisture content of the mud cake and significantly improving dehydration efficiency and quality; while simultaneously removing surface moisture during the clamping of the crushed cake, new moisture is generated during the clamping and crushing of the mud cake by the two pressing blocks 211. At the same time as the clamping operation, the suction pump 215 is started to directly suck away the squeezed surface moisture through the inlet 217, avoiding the recontamination of the mud cake by the moisture generated during the crushing process and ensuring the dryness of the mud cake.

[0052] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. For those skilled in the art, the present invention can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A slurry dewatering apparatus, characterized by, The support assembly (100) and the pressure assembly (200) are included; The support assembly (100) includes a dehydration device (130), and the dehydration device (130) includes a filter screen (137); The filter screen (137) is arranged below the pressure assembly (200); The pressure assembly (200) includes a pressing device (210), a rubber ring (220), a pressing screen (230) and a connecting rope (240); The pressing device (210) includes a pressing block (211); The pressing block (211) has two, and the two pressing blocks (211) are rotationally connected; The rubber ring (220) is fixed on the pressing block (211), the pressing screen (230) is fixed below the rubber ring (220), and the pressing screen (230) wraps the pressing block (211); The connecting rope (240) is fixed at two ends in the filter screen (137) and below the pressing screen (230) respectively; The filter screen (137) is used for filtering mud, and the pressing block (211) is used for pressing mud and mud cake; When the mud is dehydrated, the two pressing blocks (211) are away from each other and then reset to clamp the crushed and filtered mud cake; After the mud is dehydrated, when the pressing block (211) is lifted, the filter screen (137) and the pressing screen (230) are pulled through the connecting rope (240), so that both of them are deformed.

2. A slurry dewatering apparatus as claimed in claim 1, wherein, In the initial state, the filter screen (137) is a hemispherical shape with an open top; In the initial state, the pressing screen (230) is a hollow spherical shape with an open top; In the mutual adhesion state of the two pressing blocks (211), the pressing blocks (211) are hemispherical shapes with an open top; During the descent of the pressing block (211), the height of the upper side of the pressing block (211) is always higher than the height of the mud liquid surface; The side of the two pressing blocks (211) is made of rubber material; The upper end of the pressing screen (230) is fixed outside the rubber ring (220); The pressing screen (230) does not contact the outer surface of the pressing block (211) under the condition of no external force; The pressing block (211) is located directly above the filter screen (137); The volume of the filter screen (137) is three-fifths of the volume of the pressing screen (230); The hemispherical outer surface formed by the mutual adhesion of the two pressing blocks (211) can be completely attached to the inner circle of the filter screen (137); The mesh diameters of the pressing screen (230) and the filter screen (137) are three-fourths of the diameter of the mud particles.

3. A slurry dewatering apparatus as claimed in claim 2, wherein, The support assembly (100) further includes a stand (110) and a bottom plate (120); The stand (110) is in the shape of an inverted U, and the bottom plate (120) is in the shape of a ring, and the lower end of the stand (110) is fixed on the bottom plate (120); The dehydration device (130) further includes an outer cylinder (131), a fixed ring (132), an inner cylinder (133), a connecting rod (134), an aggregation cylinder (135), a fixed screen (136) and a drain pipe (138); The outer cylinder (131) and the inner cylinder (133) are both cylindrical shapes penetrating along their axes, and the axes of the outer cylinder (131) and the inner cylinder (133) are on the same straight line; The outer cylinder (131) is fixed in the stand (110); The connecting rods (134) are two, symmetrically fixed on both sides of the inner cylinder (133), and the ends of the connecting rods (134) away from the inner cylinder (133) are fixed on the stand (110); The inner cylinder (133) is located in the outer cylinder (131), and a space is left between the inner cylinder (133) and the outer cylinder (131) for the mud cake to pass through; The fixed ring (132) is annular, the cross section of the fixed ring (132) is triangular, and the fixed ring (132) is arranged on the upper end of the inner cylinder (133); The fixed net (136) is annular, the upper end of the fixed net (136) is fixed on the uppermost end of the inner circle of the fixed ring (132), and the filter screen (137) is fixed on the lower end of the fixed net (136); The lower end of the fixed net (136) extends into the inner cylinder (133), and the mesh diameter of the fixed net (136) is consistent with the mesh diameter of the filter screen (137); The gathering cylinder (135) is a semi-spherical body with an open upper end, the upper end of the gathering cylinder (135) is fixed on the lower end of the inner cylinder (133), the drain pipe (138) is fixed below the gathering cylinder (135), and the drain pipe (138) communicates with the gathering cylinder (135); The end of the drain pipe (138) away from the gathering cylinder (135) penetrates the stand (110).

4. A slurry dewatering apparatus as claimed in claim 3, wherein, The cross section of the connecting rod (134) is triangular, and the upper end of the connecting rod (134) is a pointed end; The outer circle of the fixed ring (132) is an inclined surface; The end of the drain pipe (138) penetrating the stand (110) is located directly below the connecting rod (134).

5. A slurry dewatering apparatus as claimed in claim 3, wherein, The support assembly (100) further comprises a power member (150); The power member (150) comprises a second motor (151), a telescopic rod (152), a mounting plate (153), and a rotating rod (154); The second motor (151) is fixed on the upper end of the stand (110), the telescopic rod (152) is rotatably connected to the inner top side of the stand (110), and the output end of the second motor (151) is fixed on the rotating shaft of the telescopic rod (152) rotatably connected to the stand (110); The second motor (151) is used to drive the telescopic rod (152) to rotate; The mounting plate (153) is fixed on the lower end of the telescopic rod (152), and the rotating rod (154) has two ends, symmetrically fixed on both sides of the mounting plate (153); The telescopic rod (152) is used to adjust the height of the pressure assembly (200).

6. A slurry dewatering apparatus as claimed in claim 1, wherein, The pressing member (210) further comprises a connecting plate (212), a clamping plate (213), and a suction group; The clamping plate (213) and the connecting plate (212) each have two, two clamping plates (213) and two connecting plates (212) correspond to two pressing blocks (211), the clamping plate (213) is arc-shaped, and the clamping plate (213) is fixed in the pressing block (211); The connecting plate (212) is fixed in the pressing block (211), and the end of the connecting plate (212) away from the pressing block (211) is rotatably connected to the rotating rod (154); When the two pressing blocks (211) are in close contact with each other, the two clamping plates (213) are in close contact with each other; The suction group has two, corresponding to the two clamping plates (213); The suction group comprises an electromagnet (216), and the electromagnet (216) is fixed on the clamping plate (213). The electromagnets (216) in the two adsorption groups repel each other on the side close to each other, so that the rotation axes of the two pressing blocks (211) are on the same straight line when the two pressing blocks (211) rotate.

7. A slurry dewatering apparatus as claimed in claim 6, wherein, The support assembly (100) further comprises iron balls (160); The iron balls (160) are evenly spaced and fixed in the filter screen (137).

8. A slurry dewatering apparatus as claimed in claim 7, wherein, The single adsorption group comprises a plurality of electromagnets (216); The plurality of electromagnets (216) are sequentially fixed on the clamping plates (213) in an arc shape.

9. A slurry dewatering apparatus as claimed in claim 3, wherein, The support assembly (100) further comprises a scraping member (140); The scraping member (140) comprises a scraper (141), a gear ring (142), a mounting port (143), a motor (144), a gear (145) and a rotating bearing (146); The outer ring of the rotating bearing (146) is fixed on the inner wall of the inner cylinder (133), and the gear ring (142) is fixed on the inner ring of the rotating bearing (146); The scraper (141) is in a cross shape and is in a bowl shape, and the scraper (141) is fixed on the inner ring of the gear ring (142); In the state that the filter screen (137) is not subjected to force, the scraper (141) is tightly attached to the filter screen (137); The mounting port (143) is formed on the side surface of the inner cylinder (133), the motor (144) is fixed in the mounting port (143), the output end of the motor (144) is fixed with the gear (145), and the gear (145) is engaged with the gear ring (142); The motor (144) and the gear (145) are located directly below the connecting rod (134).

10. A slurry dewatering apparatus as claimed in claim 1 wherein, The pressing member (210) further comprises an adsorption block (214), a sewage suction pump (215) and a sewage inlet (217); The adsorption block (214) and the sewage suction pump (215) are respectively two, corresponding to the two pressing blocks (211); The adsorption block (214) is in an arc shape and is fixed on the side of the two clamping plates (213) away from each other; The two clamping plates (213) are provided with the sewage inlets (217) on the side close to each other, the sewage inlets (217) are multiple and are evenly spaced and distributed in an arc shape; The adsorption block (214) is hollow, the sewage inlets (217) are communicated with the adsorption block (214), the sewage suction pump (215) is fixed in the pressing block (211), and the input end of the sewage suction pump (215) is communicated with the adsorption block (214).

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