Energy-saving and environment-friendly sludge dewatering machine

Abstract

The utility model relates to an energy-saving and environment-friendly sludge dewatering machine which comprises a rack, a dewatering cylinder is arranged on the rack, a water filtering frame is arranged in the dewatering cylinder, a plurality of filtering holes are formed in the water filtering frame, a rotating shaft is rotationally connected into the water filtering frame, a spiral plate is arranged on the outer surface of the rotating shaft, and a cleaning ring is slidably connected into the dewatering cylinder. The cleaning ring is arranged on the outer surface of the water filtering frame in a sleeving mode, a plurality of brushes are arranged on the inner surface of the cleaning ring and abut against the outer surface of the water filtering frame, and a driving assembly for driving the cleaning ring to reciprocate in the length direction of the water filtering frame is arranged on the dewatering barrel. In the moving process of the cleaning ring, the brush is driven to reciprocate in the length direction of the water filtering cylinder, and dry sludge blocked in the filtering holes of the water filtering frame is cleaned out of the water filtering frame when the brush moves, so that the smoothness of the filtering holes of the water filtering frame is ensured. The sludge dewatering device has the effect of improving the sludge dewatering effect.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of dewatering machines, in particular to an energy-saving and environment-friendly sludge dewatering machine. BACKGROUND

[0002] Sludge is a byproduct of sewage treatment in sewage treatment plants and sewage stations, and if the sludge is not well treated and disposed of, it will directly cause secondary pollution to water bodies and the atmosphere, and will pose a serious threat to the ecological environment and human activities, so the sludge is very carefully treated, and a sludge dewatering machine plays a role in solid-liquid separation of the sludge.

[0003] A dewatering machine is disclosed in the related art, which comprises a box body with an inner cavity, a filter frame in the form of a cylinder for filtering water is arranged in the box body, a servo motor is arranged outside the box body, an output shaft of the servo motor is provided with a transmission shaft extending into the filter frame, and helical blades are arranged on the outer side wall of the transmission shaft in the helical direction thereof.

[0004] When the existing dewatering machine dewatering sludge, part of the sludge is easy to adhere to the filter holes of the filter frame after the water in the sludge is filtered by the filter frame of the dewatering machine, and after the dewatering machine stops working, the sludge in the filter holes is easy to dry up and block the filter holes, so that the water cannot smoothly pass through the filter holes for separation in the process of treating subsequent sludge, so that the water in the sludge is difficult to be effectively separated from the solid part, thereby resulting in low dewatering effect. There are obvious deficiencies. CONTENT OF THE INVENTION

[0005] In order to improve the dewatering effect of sludge, the application provides an energy-saving and environment-friendly sludge dewatering machine.

[0006] The energy-saving and environment-friendly sludge dewatering machine provided by the application adopts the following technical scheme:

[0007] An energy-saving and environment-friendly sludge dewatering machine, comprising a rack, a dewatering cylinder is arranged on the rack, a sludge discharge port is formed in the dewatering cylinder, a filter frame is arranged in the dewatering cylinder, a plurality of filter holes are formed in the filter frame, a sludge inlet pipe in communication with the inside of the filter frame is arranged on the dewatering cylinder, a rotating shaft is rotatably connected in the filter frame, a helical plate is arranged on the outer surface of the rotating shaft, a dewatering motor is arranged on the outer surface of the dewatering cylinder to drive the rotating shaft to rotate, a cleaning ring is slidably connected in the dewatering cylinder, the cleaning ring is sleeved on the outer surface of the filter frame, a plurality of brushes are arranged on the inner surface of the cleaning ring, the plurality of brushes abut against the outer surface of the filter frame, and a driving assembly is arranged on the dewatering cylinder to drive the cleaning ring to reciprocally move along the length direction of the filter frame.

[0008] Through adoption of the above technical scheme, before the sludge is treated, the worker drives the cleaning ring to move through the driving assembly, the cleaning ring drives the brush to reciprocate along the length direction of the filter frame in the process of moving, the brush cleans the dried sludge clogging the filter frame in the filter hole out of the filter frame in the process of moving, thereby ensuring the unobstructedness of the filter hole of the filter frame, after the cleaning is completed, the driving assembly is closed, and the sludge is introduced into the sludge inlet pipe to be dewatered, in the process of dewatering, the water in the sludge flows out of the filter hole smoothly, realizing the separation from the solid sludge, so that the automatic cleaning of the filter frame before dewatering is realized, the clogging of the filter hole is avoided, and the dewatering effect of the sludge is improved.

[0009] Optionally, the driving assembly comprises a reciprocating screw rod and a guide rod oppositely arranged in the dewatering cylinder, the reciprocating screw rod is rotationally connected in the inside of the dewatering cylinder, a threaded block is threadedly connected on the reciprocating screw rod, one end of the cleaning ring is arranged on the threaded block, and the other end is slidably connected on the guide rod, and a driving motor for driving the reciprocating screw rod to rotate is arranged on the outer surface of the dewatering cylinder.

[0010] Through adoption of the above technical scheme, when the filter frame is cleaned, the worker starts the driving motor, the driving motor drives the reciprocating screw rod to rotate, the reciprocating screw rod drives the cleaning ring to reciprocate along the length direction of the filter frame through the connecting action of the threaded block, thereby realizing the comprehensive cleaning of the length direction of the filter frame.

[0011] Optionally, the threaded block is provided with a protective cover at the opposite two ends, the protective cover is corrugated and is sleeved on the outer surface of the reciprocating screw rod, and the end of the protective cover away from the threaded block is arranged on the inner side wall of the dewatering cylinder.

[0012] Through adoption of the above technical scheme, the protective cover at the two ends of the threaded block covers the reciprocating screw rod at all times in the process of movement of the threaded block or when the threaded block is stationary, sludge is effectively prevented from splashing onto the reciprocating screw rod, the normal movement of the threaded block on the reciprocating screw rod is avoided due to the accumulation and drying of the sludge, thereby ensuring the stable operation of the driving assembly.

[0013] Optionally, the end of the rotating shaft extending out of the sludge discharge port is slidably connected with a baffle, a first spring is sleeved on the outer surface of the rotating shaft, one end of the first spring is arranged on the outer surface of the rotating shaft, and the other end is arranged on the baffle, and in the natural state of the first spring, the baffle blocks the sludge discharge port.

[0014] By adopting the technical scheme, the solid sludge is gradually accumulated at the sludge discharge port under the pushing of the spiral plate and a certain pressure is generated on the baffle, when the pressure is greater than the elastic force of the first spring, the solid sludge pushes the baffle to gradually separate from the sludge discharge port, the opening degree of the sludge discharge port gradually becomes larger, the solid sludge is discharged through the sludge discharge port, and as the solid sludge is discharged, the pressure generated by the sludge accumulated in the dehydration cylinder on the baffle decreases, the first spring pushes the baffle to reseal the sludge discharge port, so that the quantitative control of the dehydration cylinder sludge discharge time is realized, the sludge that has not been sufficiently dewatered is effectively prevented from being discharged from the sludge discharge port in advance, and the dewatering effect of the sludge is further improved.

[0015] Optionally, the inner top wall of the dehydration cylinder is provided with a water outlet disc, the length direction of the water outlet disc is parallel to the length direction of the filter frame, and a plurality of water outlet nozzles are communicatively arranged on the water outlet disc and have water outlet directions towards the filter frame.

[0016] By adopting the technical scheme, in the process of cleaning the filter frame by the cleaning ring, the worker circulates the water source outside the water outlet disc, the water flows along the water outlet disc and is finally sprayed to the filter frame through the water outlet nozzles, when the water flows through the filter holes of the filter frame, the water flows flushes out the dry sludge and other impurities blocked in the filter holes, so that the filter frame is further cleaned, the filter holes are ensured to be in an unobstructed state before the sludge is dewatered, and the dewatering effect of the sludge is further improved.

[0017] Optionally, a water collecting tank is arranged on the rack, the water collecting tank is in communication with the dehydration cylinder through a drain pipe, a filter frame is arranged in the water collecting tank, a water supply pipe is arranged on the outer surface of the water collecting tank, the end of the water supply pipe extends into the dehydration cylinder and is in communication with the water outlet disc, and a water pump is arranged on the water supply pipe.

[0018] By adopting the technical scheme, in the process of dewatering the sludge, the water is filtered out from the filter holes of the filter frame and flows into the water collecting tank, the water is secondarily filtered through the filter frame in the water collecting tank, when the filter frame needs to be cleaned, the water pump is started to draw the water at the bottom of the water collecting tank, the water flows to the water outlet disc through the water supply pipe and is sprayed out, so that the filter frame is cleaned, and the secondary use of the water resources discharged from the sludge is realized, the natural water resources outside are saved, and energy saving and environmental protection are achieved.

[0019] Optionally, the water collecting tank is provided with an installation slot which is in sliding fit with the filter frame, and two plug-in sleeves are arranged on the outer surface of the water collecting tank, and the two plug-in sleeves are arranged on the two sides of the slot opening respectively, and a sliding rod is arranged on the outer surface of the filter frame, and a plug-in rod corresponding to the two plug-in sleeves is arranged in sliding fit on the outer surface of the sliding rod, and the plug-in rod is in plug-in fit with the corresponding plug-in sleeve, and a second spring corresponding to the two plug-in rods is arranged in fit on the outer surface of the sliding rod, and one end of the second spring is arranged on the sliding rod, and the other end is arranged on the corresponding plug-in rod, and the plug-in rod is plugged into the plug-in sleeve in the natural state of the second spring.

[0020] By adopting the above technical scheme, when the filter frame needs to be disassembled due to blockage, the worker drives the two plug-in rods by the prongs to make the plug-in rods disengage from the plug-in sleeves, and then the filter frame is pulled out from the water collecting tank, after disassembly, the worker slides the new filter frame into the water collecting tank through the installation slot, and then presses the two prongs to make the plug-in rods keep the state of disengaging from the plug-in sleeves, at this time, the second spring is compressed, the worker continues to push the filter frame forward to make the plug-in rods move to the state of being opposite to the plug-in sleeves, the worker cancels the force on the plug-in rods, the second spring resets and pushes the plug-in rods into the plug-in sleeves, so as to realize the fixation of the filter frame in the water collecting tank, and thus the dismountable installation of the filter frame in the water collecting tank is realized, and the convenience of worker operation is improved.

[0021] Optionally, the filter frame is provided with a sealing protrusion on each of the opposite sides, the sealing protrusion is made of elastic material, and the water collecting tank is provided with a sealing slot which is in plug-in fit with the sealing protrusion.

[0022] By adopting the above technical scheme, the sealing protrusion and the sealing slot improve the sealing between the installation slot and the filter frame, reduce the possibility of water leakage of the water collecting tank, and ensure the water collecting performance of the water collecting tank.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. The present application is provided with a driving assembly, a cleaning ring and a brush, the driving assembly drives the cleaning ring to move, the cleaning ring drives the brush to reciprocate along the length direction of the filter cylinder during the movement of the cleaning ring, the brush cleans the dried sludge blocked in the filter hole of the filter frame during the movement, so as to ensure the smoothness of the filter hole of the filter frame, avoid the blockage of the filter hole to reduce the dewatering effect of the sludge, and improve the dewatering effect of the sludge.

[0025] 2. The application sets up the filter frame, water collecting tank, water delivery pipe, water pump, water outlet tray and water outlet nozzle, the water discharged from the sludge is collected in the water collecting tank, when the filter frame needs to be cleaned, the water pump is started and the water is pumped to the water outlet tray through the water delivery pipe and finally sprayed to the filter frame through the water outlet nozzle, when the water flow passes through the filter hole of the filter frame, the water flow flushes out the dried sludge and other impurities blocked in the filter hole, further ensuring that the filter hole is in an unobstructed state before the sludge is dewatered, thereby further improving the dewatering effect of the sludge.

[0026] 3. The application sets up the bolt rod and the plug-in sleeve, and the filter frame is detachably connected in the water collecting tank through plug-in cooperation between the bolt rod and the plug-in sleeve, so that workers can replace the filter frame after it is blocked or damaged, and the convenience of worker operation is improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a structural schematic view of the application.

[0028] Figure 2 is a transverse sectional view of the dewatering cylinder in the embodiment of the application.

[0029] Figure 3 is a vertical sectional view of the dewatering cylinder in the embodiment of the application.

[0030] Figure 4 is Figure 3 is an enlarged view of A in

[0031] BRIEF DESCRIPTION OF DRAWINGS 1. rack; 2. dewatering cylinder; 21. sludge discharge port; 22. sludge inlet pipe; 3. filter frame; 31. filter hole; 4. rotating shaft; 41. spiral plate; 42. dewatering motor; 43. baffle; 44. first spring; 5. water collecting tank; 51. filter frame; 511. sealing protrusion; 6. cleaning ring; 61. brush; 7. driving assembly; 71. reciprocating screw rod; 72. guide rod; 73. driving motor; 8. protective cover; 9. water outlet tray; 91. water outlet nozzle; 92. water delivery pipe; 93. water pump; 10. mounting groove; 101. sealing groove; 11. plug-in sleeve; 12. slide rod; 121. bolt rod; 1211. push block; 122. second spring. DETAILED DESCRIPTION

[0032] The application will be further described in detail below with reference to the accompanying drawings. Figures 1-4 The application will be further described in detail below with reference to the accompanying drawings.

[0033] The embodiment of the application discloses an energy-saving and environment-friendly sludge dewatering machine.

[0034] Refer to Figure 1The utility model relates to an energy saving and environment protection sludge dewatering machine, which comprises a frame 1, a dewatering cylinder 2 fixedly installed on the frame 1, a sludge discharge port 21 formed on one side of the dewatering cylinder 2 for discharging solid sludge, a filter frame 3 fixedly installed in the dewatering cylinder 2, a plurality of filter holes 31 formed on the filter frame 3, the plurality of filter holes 31 extending along the length direction of the filter frame 3, a sewage inlet pipe 22 installed on the outer surface of the dewatering cylinder 2 and communicating with the inside of the filter frame 3, a rotating shaft 4 rotatably connected in the filter frame 3, a spiral plate 41 fixedly connected to the outer surface of the rotating shaft 4, the outer surface of the spiral plate 41 closely abutting against the inner side wall of the filter frame 3, a dewatering motor 42 fixedly installed on the outer surface of the dewatering cylinder 2, and the output shaft of the dewatering motor 42 coaxially fixedly connected with the rotating shaft 4.

[0035] Referring to the drawings, a water collecting tank 5 is fixedly installed on the frame 1, the water collecting tank 5 communicates with the inside of the dewatering cylinder 2 through a drain pipe (not shown in the drawings), and the inner bottom wall of the dewatering cylinder 2 towards the water collecting tank 5 is inclined.

[0036] Before dewatering, workers add sludge into the inside of the dewatering cylinder 2 through the sewage inlet pipe 22, and then start the dewatering motor 42, the dewatering motor 42 drives the rotating shaft 4 to rotate, the rotating shaft 4 drives the spiral plate 41 to rotate, the spiral plate 41 rotates to extrude and convey the solid sludge to the sludge discharge port 21, at this time, water is filtered out from the filter holes 31 of the filter frame 3 and enters the inside of the water collecting tank 5 along the inclined surface, thereby realizing dewatering of the sludge.

[0037] Referring to Figure 1 , a cleaning ring 6 is slidably connected in the inside of the dewatering cylinder 2, the cleaning ring 6 is slidably sleeved on the outer surface of the filter frame 3, a plurality of brushes 61 are fixedly connected to the inner surface of the cleaning ring 6, the brushes 61 are made of elastic material, the plurality of brushes 61 abut against the outer surface of the filter frame 3, when the cleaning ring 6 moves to the vicinity of the filter hole 31, the brushes 61 extend into the inside of the filter hole 31 and closely abut against the inner circumferential side wall of the filter hole 31, and a driving assembly 7 is arranged on the dewatering cylinder 2 for driving the cleaning ring 6 to reciprocally move along the length direction of the filter frame 3.

[0038] Referring to the drawings, the driving assembly 7 comprises a reciprocating screw rod 71 and a guide rod 72 oppositely arranged in the dewatering cylinder 2, the reciprocating screw rod 71 and the guide rod 72 are parallel to the length direction of the filter frame 3, the reciprocating screw rod 71 is rotatably connected in the inside of the dewatering cylinder 2, a threaded block (not shown in the drawings) is threadedly connected on the reciprocating screw rod 71, one end of the cleaning ring is fixedly connected on the threaded block, and the other end is slidably connected on the guide rod 72, and a driving motor 73 is fixedly installed on the outer surface of the dewatering cylinder 2 for driving the reciprocating screw rod 71 to rotate.

[0039] Before the sludge is treated, the worker starts the driving motor 73, the driving motor 73 drives the reciprocating screw rod 71 to rotate, the reciprocating screw rod 71 drives the cleaning ring 6 to reciprocate along the length direction of the filter frame 3 through the connecting action of the threaded block, the cleaning ring 6 drives the brush 61 to reciprocate along the length direction of the filter cylinder in the moving process, the brush 61 cleans the dried sludge and other impurities clogging in the filter hole 31 out of the filter frame 3 in the moving process, so as to ensure the smoothness of the filter hole 31 and avoid the clogging of the filter hole 31 to reduce the dewatering effect of the sludge, thereby improving the dewatering effect of the sludge.

[0040] With reference to Figure 1 The opposite ends of the threaded block are provided with protective covers 8, the protective covers 8 are in the form of corrugated covers arranged on the outer surface of the reciprocating screw rod 71, one end of each protective cover 8 is fixedly connected to the threaded block, and the other end is fixedly connected to the inner side wall of the dewatering cylinder 2. During the static or moving process of the threaded block, the two protective covers 8 always cover the reciprocating screw rod 71 together, thereby effectively preventing the sludge from splashing onto the reciprocating screw rod 71 and avoiding the influence of the accumulation and drying of the sludge on the normal movement of the threaded block on the reciprocating screw rod 71.

[0041] With reference to Figure 1 The rotating shaft 4 is sleeved with a baffle 43, the baffle 43 is in the form of a ring, the inner surface of the baffle 43 is fixedly connected with a limiting block (not shown in the figure), the rotating shaft 4 is provided with a limiting groove (not shown in the figure) in sliding cooperation with the limiting block, under the limiting of the limiting block and the limiting groove, the baffle 43 can only move along the axis direction of the rotating shaft 4, the end portion of the rotating shaft 4 extends out of the sludge discharge port 21 and is sleeved with a first spring 44, one end of the first spring 44 is fixedly connected to the outer surface of the rotating shaft 4, and the other end is fixedly connected to the baffle 43, in the natural state of the first spring 44, the baffle 43 blocks the sludge discharge port 21.

[0042] The solid sludge gradually accumulates at the sludge discharge port 21 under the pushing of the spiral plate 41 and generates a certain pressure on the baffle 43, when the pressure is greater than the elastic force of the first spring 44, the solid sludge pushes the baffle 43 to gradually separate from the sludge discharge port 21, the opening degree of the sludge discharge port 21 gradually increases, the solid sludge is discharged through the sludge discharge port 21, as the solid sludge is discharged, the pressure generated by the sludge accumulated in the dewatering cylinder 2 on the baffle 43 decreases, the first spring 44 pushes the baffle 43 to re-block the sludge discharge port 21, the setting realizes the quantitative control of the discharging time of the dewatering cylinder 2, effectively prevents the sludge that has not been sufficiently dewatered from being discharged from the sludge discharge port 21 in advance, and thereby further improves the dewatering effect of the sludge.

[0043] With reference to Figure 1The inner top wall of the dehydration cylinder 2 is fixedly provided with a water outlet disc 9, the length direction of the water outlet disc 9 is parallel to the length direction of the filter frame 3, a plurality of water outlet nozzles 91 are communicated and arranged on the water outlet disc 9, in this embodiment, the water outlet nozzles 91 are high-pressure nozzles, the water outlet direction of the water outlet nozzles 91 is arranged towards the filter frame 3, a filter frame 51 for filtering water is arranged in the water collecting tank 5, a water feeding pipe 92 is communicated and arranged on the outer surface of the water collecting tank 5, the end of the water feeding pipe 92 extends upwards into the dehydration cylinder 2 and is communicated with the water outlet disc 9, and a water pump 93 is fixedly arranged on the water feeding pipe 92.

[0044] In the process of dewatering the sludge, water is filtered out from the filter holes 31 of the filter frame 3 and flows into the water collecting tank 5, even if the filter frame 51 in the water collecting tank 5 realizes secondary filtering of the water, the water filtered twice is gathered at the bottom of the water collecting tank 5, when it is necessary to clean the filter frame 3, the water pump 93 is started to pump the water at the bottom of the water collecting tank 5, the water flows into the water outlet disc 9 through the water feeding pipe 92 and is finally sprayed towards the filter frame 3 through the water outlet nozzles 91, when the water flow passes through the filter holes 31 of the filter frame 3, the water flow flushes out the dried sludge and other impurities clogging in the filter holes 31, thereby realizing further cleaning of the filter frame 3, further ensuring that the filter holes 31 are in an unobstructed state before dewatering the sludge, thereby further improving the dewatering effect of the sludge.

[0045] Referring to Figure 1 The water collecting tank 5 is provided with an installation groove 10 which is in sliding cooperation with the filter frame 51, the opposite sides of the filter frame 51 are fixedly connected with sealing protrusions 511 which are made of elastic material, the opposite inner side walls of the installation groove 10 are provided with sealing grooves 101 which are in plug-in cooperation with the sealing protrusions 511, thereby improving the sealing between the installation groove 10 and the filter frame 51, reducing the possibility of water leakage of the water collecting tank 5 and ensuring the water collecting performance of the water collecting tank 5.

[0046] Referring to the drawings, the outer surface of the water collecting tank 5 is fixedly provided with two plug-in sleeves 11 which are arranged at the two sides of the installation groove 10, the outer surface of the filter frame 51 is fixedly provided with a sliding rod 12, the outer surface of the sliding rod 12 is slidably sleeved with plug-in rods 121 which are in one-to-one correspondence with the two plug-in sleeves 11, the plug-in rods 121 are in plug-in cooperation with the corresponding plug-in sleeves 11, the outer surface of the sliding rod 12 is sleeved with second springs 122 which are in one-to-one correspondence with the two plug-in rods 121, one end of each second spring 122 is fixedly connected with the sliding rod 12 and the other end is fixedly connected with the corresponding plug-in rod 121, in the natural state of the second spring 122, the plug-in rod 121 is plugged into the plug-in sleeve 11, and the outer surface of the plug-in rod 121 is fixedly connected with a push block 1211 which is convenient for manual pushing.

[0047] When the filter frame 51 needs to be disassembled due to blockage, the worker moves the two latch rods 121 by means of the knobs 1211 to make the latch rods 121 disengage from the insertion sleeves 11, and then pulls out the filter frame 51 from the water collecting tank 5, after disassembly, the worker slides the new filter frame 51 into the water collecting tank 5 through the installation slot 10, and then presses the two knobs 1211 to make the latch rods 121 keep the state of being ready to disengage from the insertion sleeves 11, at this time, the second spring 122 is compressed, the worker continues to push the filter frame 51 forward to make the latch rods 121 move to the state of being opposite to the insertion sleeves 11, the worker cancels the force on the latch rods 121, and the second spring 122 is reset to push the latch rods 121 into the insertion sleeves 11, so as to realize the fixation of the filter frame 51 in the water collecting tank 5, and thus the detachable installation of the filter frame 51 in the water collecting tank 5 is realized, and the convenience of worker operation is improved.

[0048] The implementation principle of the energy-saving and environment-friendly sludge dewatering machine is as follows: before the sludge is treated, the worker starts the driving motor 73, the driving motor 73 drives the reciprocating screw rod 71 to rotate, the reciprocating screw rod 71 drives the cleaning ring 6 to move reciprocally along the length direction of the filter frame 3 through the connection of the threaded block, the cleaning ring 6 drives the brush 61 to move reciprocally along the length direction of the filter cylinder in the moving process of the cleaning ring 6, and the brush 61 cleans the dried sludge and other impurities blocked in the filter holes 31 out of the filter frame 3 in the moving process, so as to ensure the smoothness of the filter holes 31 and avoid the blockage of the filter holes 31 to reduce the sludge dewatering effect, thereby improving the sludge dewatering effect.

[0049] The above are the preferred embodiments of the present application, and do not limit the protection scope of the present application, therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered in the protection scope of the present application.

Claims

1. An energy-saving and environmentally friendly sludge dewatering machine, comprising a frame (1), a dewatering cylinder (2) provided on the frame (1), a sludge discharge port (21) provided on the dewatering cylinder (2), a filter frame (3) provided inside the dewatering cylinder (2), a plurality of filter holes (31) provided on the filter frame (3), a sludge inlet pipe (22) communicating with the inside of the filter frame (3) provided on the dewatering cylinder (2), a rotating shaft (4) rotatably connected inside the filter frame (3), a spiral plate (41) provided on the outer surface of the rotating shaft (4), and a dewatering motor (42) for driving the rotating shaft (4) to rotate provided on the outer surface of the dewatering cylinder (2), characterized in that, The cleaning ring (6) is sleeved on the outer surface of the water filtering frame (3), and the inner surface of the cleaning ring (6) is provided with a plurality of brushes (61) abutting against the outer surface of the water filtering frame (3).

2. The energy-saving and environment-friendly sludge dewatering machine according to claim 1, characterized in that, The driving assembly (7) comprises a reciprocating screw rod (71) and a guide rod (72) oppositely arranged in the dehydration cylinder (2), the reciprocating screw rod (71) is rotationally connected in the dehydration cylinder (2), a threaded block is threadedly connected on the reciprocating screw rod (71), one end of the cleaning ring (6) is arranged on the threaded block, and the other end is slidably connected on the guide rod (72), and a driving motor (73) is arranged on the outer surface of the dehydration cylinder (2) to drive the reciprocating screw rod (71) to rotate.

3. The energy-saving and environment-friendly sludge dewatering machine according to claim 2, characterized in that, The threaded block is provided with a protective cover (8) at opposite ends, the protective cover (8) is corrugated and sleeved on the outer surface of the reciprocating screw rod (71), and one end of the protective cover (8) away from the threaded block is arranged on the inner side wall of the dehydration cylinder (2).

4. The energy-saving and environment-friendly sludge dewatering machine according to claim 1, characterized in that, The end portion of the rotating shaft (4) extending out of the mud discharge port (21) is slidably connected with a baffle (43), a first spring (44) is sleeved on the outer surface of the rotating shaft (4), one end of the first spring (44) is arranged on the outer surface of the rotating shaft (4), and the other end is arranged on the baffle (43), and in the natural state of the first spring (44), the baffle (43) blocks the mud discharge port (21).

5. The energy-saving and environment-friendly sludge dewatering machine according to claim 1, characterized in that, The inner top wall of the dehydration cylinder (2) is provided with a water outlet disc (9), the length direction of the water outlet disc (9) is parallel to the length direction of the water filtering frame (3), a plurality of water outlet nozzles (91) are communicatively arranged on the water outlet disc (9), and the water outlet direction of the water outlet nozzles (91) is towards the water filtering frame (3).

6. The energy-saving and environment-friendly sludge dewatering machine according to claim 5, characterized in that, The rack (1) is provided with a water collecting tank (5), the water collecting tank (5) is communicated with the dehydration cylinder (2) through a drain pipe, the water collecting tank (5) is provided with a filtering frame (51) in the inside, and the outer surface of the water collecting tank (5) is provided with a water supply pipe (92), the end portion of the water supply pipe (92) extends into the dehydration cylinder (2) and is communicated with the water outlet disc (9), and the water supply pipe (92) is provided with a water pump (93).

7. The energy-saving and environment-friendly sludge dewatering machine according to claim 6, characterized in that, The water collecting tank (5) is provided with an installation groove (10) which is in sliding fit with the filter frame (51), the outer surface of the water collecting tank (5) is provided with two plug-in sleeves (11), the two plug-in sleeves (11) are respectively arranged on the two sides of the slot opening of the installation groove (10), the outer surface of the filter frame (51) is provided with a sliding rod (12), the outer surface of the sliding rod (12) is slidably provided with a plug-in rod (121) corresponding to the two plug-in sleeves (11), the plug-in rod (121) is in plug-in fit with the corresponding plug-in sleeve (11), the outer surface of the sliding rod (12) is provided with a second spring (122) corresponding to the two plug-in rods (121), one end of the second spring (122) is arranged on the sliding rod (12), and the other end is arranged on the corresponding plug-in rod (121), and the plug-in rod (121) is inserted into the plug-in sleeve (11) in the natural state of the second spring (122).

8. The energy-saving and environment-friendly sludge dewatering machine according to claim 7, characterized in that, The opposite sides of the filter frame (51) are provided with sealing protrusions (511), the sealing protrusions (511) are made of elastic material, and the water collecting tank (5) is provided with a sealing groove (101) which is in plug-in fit with the sealing protrusions (511).

Images