Sludge Feeding Device for a Deep Sludge Pressure Filtration and Dewatering System

Abstract

A sludge feeding device for a deep sludge pressure filtration and dehydration system, belonging to a pressure filtration and dehydration system. A feeding traveling mechanism is connected to the bottom of the feeding machine frame. A filter cloth roller lifter is connected to the upper end inside the feeding machine frame, and a gripper is connected to the lower end of the filter cloth roller lifter; the gripper is connected to a filter cloth roller through a cloth roller seat; a cloth rubbing track is connected to the feeding machine frame below the filter cloth roller, and a cloth rubbing device runs on the cloth rubbing track. The cloth rubbing track is either a slideway; a mud distributing device is connected below the cloth rubbing device; the feeding end of the mud distributing device is connected to a mud inlet pipe accessory, and the other end of the mud inlet pipe accessory is located outside the feeding machine frame and is connected to a mud conveying pipe. Advantages: No chemical additive needs to be added during the sludge dehydration and pressure filtration work. Without adding chemical additives, sludge with a moisture content of 80% can be dehydrated to a moisture content of 60%. It effectively reduces costs, operates stably and reliably, has a high degree of automation, and does not require operators to operate.

Description

Technical Field

[0001] The present invention relates to a sludge pressure filtration cloth feeding device, in particular to a sludge cloth feeding device for a deep sludge pressure filtration and dehydration system. Background Art

[0002] At present, the working principle of a plate and frame filter press is to squeeze water in the sludge out through the filter cloth by squeezing of the plate and frame to achieve the purpose of dehydration. It mainly consists of a recessed filter plate, a frame, an automatic-pneumatic closing system, a side plate suspension system, a filter plate vibration system, an air compression device, and a filter cloth high-pressure flushing device, and has a large volume. In order to achieve the effect of pressure filtration and dehydration, the plate and frame sludge filter press needs to add ferric salt and lime as additives, which undoubtedly increases the sludge pressure filtration cost and increases the amount of sludge, and then the sludge dehydration work is carried out. Before sludge dehydration and pressure filtration, it is necessary to manually arrange a layer of sludge and a layer of filter cloth, resulting in high labor intensity of workers and low work efficiency. Summary of the Invention

[0003] The object of the present invention is to provide a sludge cloth feeding device for a deep sludge pressure filtration and dehydration system, and solve the problems that before sludge dehydration and pressure filtration in the prior art, it is necessary to manually arrange a layer of sludge and a layer of filter cloth, resulting in high labor intensity of workers and low work efficiency.

[0004] The object of the present invention is achieved as follows: The sludge cloth feeding device includes: a filter cloth roller lifter, a gripper, a sludge distributor, a cloth rubbing device, a cloth feeding machine frame, a cloth rubbing track, a mud inlet pipe accessory, and a cloth feeding traveling mechanism; a cloth feeding traveling mechanism is connected to the bottom of the cloth feeding machine frame, a filter cloth roller lifter is connected to the upper end inside the cloth feeding machine frame, and a gripper is connected to the lower end of the filter cloth roller lifter; the gripper is connected to a filter cloth roller through a cloth roller seat; a cloth rubbing track is connected to the cloth feeding machine frame below the filter cloth roller, and a cloth rubbing device runs on the cloth rubbing track, and the cloth rubbing track is either a slideway; a sludge distributor is connected below the cloth rubbing device; the feeding end of the sludge distributor is connected to the mud inlet pipe accessory, and the other end of the mud inlet pipe accessory is located outside the cloth feeding machine frame and is connected to a mud conveying pipe.

[0005] The cloth feeding traveling mechanism includes: a main cloth feeding machine wheel and a secondary cloth feeding machine wheel, the main cloth feeding machine wheel and the secondary cloth feeding machine wheel are respectively connected to both ends of a main cloth feeding machine wheel shaft and a secondary cloth feeding machine wheel shaft, the main cloth feeding machine wheel is connected to a reduction motor, and the reduction motor drives the main cloth feeding machine wheel to travel.

[0006] There are two sets of the filter cloth roller lifters, which have the same structure and are symmetrically installed inside the fabric machine frame. They include: a lifting drive shaft, a bearing seat, a spline coupling, a drive sprocket, a lifting reduction motor, a sleeve, a driven sprocket, a hoisting chain, a lifting driven shaft, a counterweight carriage, and a lifting hydraulic cylinder; the lifting drive shaft and the lifting driven shaft are installed inside the fabric machine frame through the bearing seat; at both ends of the lifting driven shaft, driven sprockets are connected through sleeves; at one end of the lifting drive shaft, a driven sprocket is connected through a sleeve, and the other end is connected with a spline coupling, on which a drive sprocket is connected, and the other end of the spline coupling is connected with the lifting reduction motor; a hoisting chain is wound around the sprocket, one end of the hoisting chain is connected with the gripper, and the other end is connected with the counterweight carriage.

[0007] For the described filter cloth roller lifter, at both ends of the lifting driven shaft, driven sprockets are connected through sleeves; a hoisting chain is wound around the sprocket, one end of the hoisting chain is connected with the gripper, and the other end of the hoisting chain is connected with the lifting hydraulic cylinder.

[0008] There are two sets of the filter cloth roller lifters, which have the same structure and are hydraulic lifting cylinders. The lower end of the hydraulic lifting cylinder is connected with the lifting plate, and the gripper is connected to the lower end of the lifting plate. Under the action of the hydraulic lifting cylinder, it moves up and down together with the lifting plate.

[0009] The described gripper includes: a gripper cylinder, a gear shaft, a toothed wheel body, an oil cylinder joint, and a gripper support; the gripper cylinder is connected to the upper end of the lifting plate, the gripper support is connected to the lower end of the lifting plate, the gripper cylinder passes through the lifting plate and is connected with the gear shaft through the oil cylinder joint, and a toothed wheel body is connected to each side of the gear shaft, and the toothed wheel body meshes with the gear shaft; the toothed wheel body and the gear shaft are both connected to the gripper support, the toothed wheel body is hinged to the gripper support through a pin shaft, and there is a hook at the end of the toothed wheel body.

[0010] The described cloth rubbing device includes: a cloth rubbing main drive roller, a cloth rubbing driven roller, a cloth rubbing frame traveling wheel, a cloth rubbing wheel support frame, a cloth rubbing hydraulic cylinder, and a cloth rubbing support; a cloth rubbing frame traveling wheel is installed on the cloth rubbing wheel support frame; at one end of the cloth rubbing wheel support frame, a cloth rubbing main drive roller and a cloth rubbing driven roller are installed, and the cloth rubbing main drive roller and the cloth rubbing driven roller are distributed vertically; the cloth rubbing support is fixed on the fabric machine frame, and a cloth rubbing hydraulic cylinder is fixedly installed on the cloth rubbing support, and the output end of the cloth rubbing hydraulic cylinder is connected to the other end of the cloth rubbing wheel support frame; the cloth rubbing hydraulic cylinder drives the cloth rubbing wheel support frame to roll and run on the cloth rubbing track of the fabric machine frame.

[0011] For the described cloth rubbing device, a cloth rubbing main drive roller is installed at one end of the cloth rubbing wheel support frame, and the cloth rubbing wheel support frame is slidably connected to the cloth rubbing slideway of the fabric machine frame; the cloth rubbing hydraulic cylinder drives the cloth rubbing wheel support frame to slide and run on the cloth rubbing slideway of the fabric machine frame.

[0012] There are two groups of the sludge distributors, which have the same structure and include a sludge conveying pipe and a sludge distributing pipe; the sludge distributing pipe is horizontally tubular, and the sludge conveying pipe is fixedly connected to the horizontally tubular sludge distributing pipe; the sludge distributing pipe is flat; or the sludge distributing pipe is a circular pipe; the sludge outlet is an arc-shaped gradually changing opening; or the sludge outlet is a rectangular opening; or the sludge outlet is a plurality of circular openings.

[0013] Beneficial effects: Due to the adoption of the above scheme, the sludge cloth feeding device lifts the filter cloth drum from the pressure filter cylinder into the sludge cloth feeding device, and then implements the distribution work of one layer of filter cloth and one layer of sludge into the pressure filter cylinder, repeating this process until the cloth feeding is completed. During the cloth feeding process, the cloth feeding is automatically completed mechanically, improving the sludge cloth feeding efficiency, greatly reducing the labor intensity of workers, and achieving the effect of high-efficiency cloth feeding.

[0014] During operation, the sludge cloth feeder is driven by the main walking wheels of the cloth feeder and translated above the cloth feeding station through the cloth feeder track;

[0015] The cloth rubbing hydraulic cylinders of the cloth rubbing devices on both sides inside the cloth feeder frame contract inward, pulling the cloth rubbing devices to move to both sides and opening the transfer channel of the filter cloth drum;

[0016] Under the action of the filter cloth drum lifter, the gripper moves downward to the filter cloth drum of the pressure filter cylinder at the cloth feeding station, the gripper grabs the filter cloth drum, and the filter cloth drum lifter lifts upward to the position of the filter cloth drum of the sludge cloth feeder and fixes it;

[0017] The cloth rubbing hydraulic cylinders of the cloth rubbing devices on both sides inside the cloth feeder frame extend outward, pushing the cloth rubbing devices to move towards the middle, and the main cloth rubbing driving roller and the driven cloth rubbing roller of the cloth rubbing device fix the filter cloth;

[0018] The sludge enters the two sludge distributors respectively through the sludge inlet pipe accessories on both sides;

[0019] The main walking wheels and the slave walking wheels of the cloth feeder run in one direction, the cloth rubbing device drags the filter cloth on the filter cloth drum and spreads it onto the filter cylinder lifting plate inside the pressure filter cylinder, and at the same time, one side of the sludge distributor evenly sprays the sludge on this layer of filter cloth;

[0020] After the cloth feeder reaches the specified position, it starts to move in the reverse direction. The cloth rubbing device drags the filter cloth on the filter cloth drum and covers it on the filter cloth with sludge, and at the same time, the other side of the sludge distributor starts to evenly spray the sludge on this layer of filter cloth;

[0021] While distributing the sludge, the filter cylinder lifting plate gradually moves downward to the specified position, and the distance that the filter cylinder lifting plate descends each time is equal to the thickness of the filter cloth with which the cloth feeding is completed, so as to ensure that the height of the sludge sprayed by the cloth feeding spray gun relative to the clean filter cloth remains relatively unchanged;

[0022] The cloth feeder runs repeatedly for cloth feeding until the cloth distribution on the filter cloth drum is completed;

[0023] After the fabric work is completed, under the action of the filter cloth roller lifter, the gripper moves downward to release the filter cloth roller onto the filter cloth roller position of the filter press cylinder.

[0024] The sludge fabricating device of the present invention has a small floor area; during the fabricating process, mechanized automatic fabricating is adopted, which improves the sludge fabricating efficiency, greatly reduces the labor intensity of workers, and achieves the effect of efficient fabricating.

[0025] It solves the problem in the prior art that before sludge dewatering and filter pressing, it is necessary for workers to arrange a layer of sludge and a layer of filter cloth manually, resulting in high labor intensity and low work efficiency.

[0026] Advantages: 1. The fabricating device of the present invention can achieve double-sided fabricating of the filter cloth, effectively increasing the contact area between the sludge and the filter cloth.

[0027] 2. The fabricating device of the present invention realizes full-automatic operation without on-site operation by personnel.

[0028] 3. The fabricating device of the present invention can effectively improve the pressing efficiency of subsequent sludge pressing.

[0029] 4. The fabricating device of the present invention has a small floor area, effectively saving floor space. Brief Description of the Drawings

[0030] Figure 1 It is a schematic structural diagram of the fabricating device of the present invention.

[0031] Figure 2 It is Figure 1 a side view structural diagram of

[0032] Figure 3 It is a working state diagram of the fabricating device of the present invention for lifting the filter cloth roller.

[0033] Figure 4 It is a schematic structural diagram of the second embodiment of the fabricating device of the present invention.

[0034] Figure 5 It is Figure 4 a side view structural diagram of

[0035] Figure 6 It is a schematic structural diagram of an embodiment of the cloth rubbing device of the present invention.

[0036] Figure 7 It is Figure 6 a side view structural diagram of

[0037] Figure 8 It is a schematic structural diagram of another embodiment of the cloth rubbing device of the present invention.

[0038] Figure 9Schematic diagram of the filter cloth drum lifter structure of the present invention.

[0039] Figure 10 is Figure 9 top view structure diagram.

[0040] Figure 11 Schematic diagram of the second embodiment structure of the filter cloth drum lifter of the present invention.

[0041] Figure 12 is Figure 11 top view structure diagram.

[0042] Figure 13 Schematic diagram of the gripper of the present invention.

[0043] In the figure, 1. Filter cloth drum lifter; 2. Gripper; 3. Cloth mud device; 4. Cloth rubbing device; 5. Cloth feeder track; 6. Cloth feeder frame; 7. Main traveling wheel of cloth feeder; 8. Cloth feeding station; 9. Cloth feeding working frame; 10. Cloth rubbing track; 11. Auxiliary traveling wheel of cloth feeder; 12. Inlet mud pipe accessory; 13. Lifting plate; 14. Cloth rubbing slideway; 15. Filter cloth drum.

[0044] 1-1. Lifting drive shaft; 1-2. Bearing seat; 1-3. Spline coupling; 1-4. Driving sprocket; 1-5. Lifting reduction motor; 1-6. Sleeve; 1-7. Driven sprocket; 1-8. Hoisting chain; 1-9. Lifting driven shaft; 1-10. Counterweight carriage; 1-11. Lifting hydraulic cylinder.

[0045] 2-1. Gripping and releasing oil cylinder; 2-2. Gear shaft; 2-3. Toothed wheel body; 2-4. Oil cylinder joint; 2-5. Gripping and releasing bracket.

[0046] 4-1. Main cloth rubbing drive roller; 4-2. Cloth rubbing driven roller; 4-3. Cloth rubbing frame traveling wheel; 4-4. Cloth rubbing wheel support frame; 4-5. Cloth rubbing hydraulic cylinder; 4-6. Cloth rubbing bracket. Detailed implementation method

[0047] Embodiment 1: The sludge cloth feeding device includes: a filter cloth drum lifter 1, a gripper 2, a cloth mud device 3, a cloth rubbing device 4, a cloth feeder frame 6, a cloth rubbing track 10, an inlet mud pipe accessory 12, and a cloth feeding traveling mechanism;

[0048] A cloth distributing traveling mechanism is connected to the bottom of the cloth distributing machine frame 6. A filter cloth drum lifter 1 is connected to the upper end inside the cloth distributing machine frame 6. A gripper 2 is connected to the lower end of the filter cloth drum lifter 1. The gripper 2 is connected to a filter cloth drum 15 through a cloth drum seat. A cloth rubbing track 10 is connected to the cloth distributing machine frame 6 below the filter cloth drum 15. A cloth rubbing device 4 runs on the cloth rubbing track 10. The cloth rubbing track 10 is either a slideway. A mud spreading device 3 is connected below the cloth rubbing device 4. The feeding end of the mud spreading device 3 is connected to a mud inlet pipe accessory 12. The other end of the mud inlet pipe accessory 12 is located outside the cloth distributing machine frame 6 and is connected to a mud conveying pipe.

[0049] The cloth distributing traveling mechanism includes: a main cloth distributing traveling wheel 7 and a secondary cloth distributing traveling wheel 11. The main cloth distributing traveling wheel 7 and the secondary cloth distributing traveling wheel 11 are respectively connected to both ends of a main cloth distributing traveling wheel shaft and a secondary cloth distributing traveling wheel shaft. The main cloth distributing traveling wheel 7 is connected to a reduction motor, and the reduction motor drives the main cloth distributing traveling wheel 7 to travel.

[0050] Figure 4 Among them, there are two cloth rubbing devices. One of the cloth rubbing wheels is a single cloth rubbing wheel, and the working state is: one cloth rubbing device is in the open state, and one cloth rubbing device is in the closed state.

[0051] There are two groups of the filter cloth drum lifters 1, with the same structure, symmetrically installed inside the cloth distributing machine frame 6, including: a lifting drive shaft 1-1, a bearing seat 1-2, a spline coupling 1-3, a drive sprocket 1-4, a lifting reduction motor 1-5, a sleeve 1-6, a driven sprocket 1-7, a lifting chain 1-8, a lifting driven shaft 1-9, a counterweight carriage 1-10, and a lifting hydraulic cylinder 1-11.

[0052] The lifting drive shaft 1-1 and the lifting driven shaft 1-9 are installed inside the cloth distributing machine frame 6 through the bearing seat 1-2. Driven sprockets 1-7 are connected to both ends of the lifting driven shaft 1-9 through sleeves 1-6. A driven sprocket 1-7 is connected to one end of the lifting drive shaft 1-1 through a sleeve 1-6, and a spline coupling 1-3 is connected to the other end. A drive sprocket 1-4 is connected to the spline coupling 1-3, and the other end of the spline coupling 1-3 is connected to the lifting reduction motor 1-5. A lifting chain 1-8 is wound around the sprockets. One end of the lifting chain 1-8 is connected to the gripper 8-2, and the other end is connected to the counterweight carriage 1-10.

[0053] The described gripper 2 includes: a gripper oil cylinder 2-1, a gear shaft 2-2, a toothed wheel body 2-3, an oil cylinder joint 2-4, and a gripper bracket 2-5; the gripper oil cylinder 2-1 is connected to the upper end of the lifting plate 13, the gripper bracket 2-5 is connected to the lower end of the lifting plate 13, the gripper oil cylinder 2-1 passes through the lifting plate 13 and is connected to the gear shaft 2-2 through the oil cylinder joint 2-4, and a toothed wheel body 2-3 is connected to each side of the gear shaft 2-2, and the toothed wheel body 2-3 meshes with the gear shaft 2-2; the toothed wheel body 2-3 and the gear shaft 2-2 are both connected to the gripper bracket 2-5, the toothed wheel body 2-3 is hinged to the gripper bracket 2-5 through a pin shaft, and there is a hook at the end of the toothed wheel body 2-3.

[0054] Figure 6 and Figure 7 In [a certain context], the described cloth rubbing device includes: a main cloth rubbing drive roller 4-1, a driven cloth rubbing roller 4-2, a cloth rubbing frame traveling wheel 4-3, a cloth rubbing wheel support frame 4-4, a cloth rubbing hydraulic cylinder 4-5, and a cloth rubbing bracket 4-6;

[0055] The cloth rubbing frame traveling wheel 4-3 is installed on the cloth rubbing wheel support frame 4-4; at one end of the cloth rubbing wheel support frame 4-4, the main cloth rubbing drive roller 4-1 and the driven cloth rubbing roller 4-2 are installed, and the main cloth rubbing drive roller 4-1 and the driven cloth rubbing roller 4-2 are distributed vertically; the cloth rubbing bracket 4-6 is fixed on the cloth machine frame 6, and the cloth rubbing hydraulic cylinder 4-5 is fixedly installed on the cloth rubbing bracket 4-6, and the output end of the cloth rubbing hydraulic cylinder 4-5 is connected to the other end of the cloth rubbing wheel support frame 4-4; the cloth rubbing hydraulic cylinder 4-5 drives the cloth rubbing wheel support frame 4-4 to roll and run on the cloth rubbing track 10 of the cloth machine frame 6.

[0056] There are two groups of the described sludge spreaders 3 with the same structure, including a sludge delivery pipe and a sludge spreading pipe; the sludge spreading pipe is a horizontal tubular shape, the sludge delivery pipe is fixedly connected to the horizontally tubular sludge spreading pipe; the sludge spreading pipe is flat-shaped; or the sludge spreading pipe is a round pipe; the sludge outlet is an arc-shaped gradually changing opening; or the sludge outlet is a rectangular opening; or the sludge outlet is a plurality of circular openings.

[0057] Embodiment 2: Figure 9 and Figure 10 In [a certain context], for the described filter cloth drum lifter 8-1, driven connecting wheels 1-7 are connected to both ends of the lifting driven shaft 1-9 through sleeves 1-6; a lifting chain 1-8 is wound around the sprocket, one end of the lifting chain 1-8 is connected to the gripper 2, and the other end of the lifting chain 1-8 is connected to the lifting hydraulic cylinder 1-11.

[0058] Others are the same as in Embodiment 1.

[0059] Embodiment 3: Figure 5Among them, there are two groups of the filter cloth roller lifters 1, with the same structure, which are hydraulic lifting cylinders. The lower end of the hydraulic lifting cylinder is connected to the lifting plate 13, and the gripper 2 is connected to the lower end of the lifting plate 13, and moves up and down together with the lifting plate 13 under the action of the hydraulic lifting cylinder.

[0060] Others are the same as in Embodiment 1.

[0061] Embodiment 4: Figure 8 Among them, for the cloth rubbing device, a main cloth rubbing drive roller 4-1 is installed at one end of the cloth rubbing wheel support frame 4-4, and the cloth rubbing wheel support frame 4-4 is slidably connected to the cloth rubbing slideway 14 of the cloth machine frame 6; the cloth rubbing hydraulic cylinder 4-5 drives the cloth rubbing wheel support frame 4-4 to slide on the cloth rubbing slideway 14 of the cloth machine frame 6.

[0062] Others are the same as in Embodiment 1.

Claims

1. A sludge feeding device for a deep sludge pressure filtration and dehydration system, characterized in that: The sludge cloth-feeding device includes: a filter cloth roller lifter, a gripper, a sludge distributor, a cloth rubbing device, a cloth-feeding machine frame, a cloth rubbing track, a sludge inlet pipe accessory, and a cloth-feeding traveling mechanism; At the bottom of the cloth-feeding machine frame, there is a cloth-feeding traveling mechanism connected. At the upper end inside the cloth-feeding machine frame, there is a filter cloth roller lifter connected. The lower end of the filter cloth roller lifter is connected with a gripper; the gripper is connected with a filter cloth roller through a cloth roller seat; on the cloth-feeding machine frame below the filter cloth roller, there is a cloth rubbing track connected, and a cloth rubbing device runs on the cloth rubbing track. The cloth rubbing track is either a slideway; below the cloth rubbing device, there is a sludge distributor connected; the feeding end of the sludge distributor is connected with the sludge inlet pipe accessory, and the other end of the sludge inlet pipe accessory is located outside the cloth-feeding machine frame and is connected with a sludge conveying pipe; During operation, the sludge cloth-feeding machine is driven by the main cloth-feeding machine wheels and translated to the position above the cloth-feeding station through the cloth-feeding machine track; The cloth rubbing hydraulic cylinders of the cloth rubbing devices on both sides inside the cloth-feeding machine frame contract inward, pulling the cloth rubbing devices to move to both sides and opening the transfer channel of the filter cloth roller; Under the action of the filter cloth roller lifter, the gripper moves downward to the filter cloth roller of the filter press cylinder at the cloth-feeding station. The gripper grabs the filter cloth roller, and the filter cloth roller lifter lifts upward to the position of the filter cloth roller of the sludge cloth-feeding machine and is fixed; The cloth rubbing hydraulic cylinders of the cloth rubbing devices on both sides inside the cloth-feeding machine frame extend outward, pushing the cloth rubbing devices to move towards the middle. The main cloth rubbing driving roller and the cloth rubbing driven roller of the cloth rubbing device fix the filter cloth; The sludge enters the two sludge distributors respectively through the sludge inlet pipe accessories on both sides; The main cloth-feeding machine wheels and the auxiliary cloth-feeding machine wheels of the cloth-feeding machine run in one direction. The cloth rubbing device drags the filter cloth on the filter cloth roller onto the filter cylinder lifting plate inside the filter press cylinder. At the same time, one sludge distributor evenly sprays the sludge on this layer of filter cloth; After the cloth-feeding machine reaches the specified position, it starts to move in the reverse direction. The cloth rubbing device drags the filter cloth on the filter cloth roller to cover the filter cloth with sludge. At the same time, the other sludge distributor starts to evenly spray the sludge on this layer of filter cloth; During sludge distribution, the filter cylinder lifting plate gradually moves downward to the specified position. The distance that the filter cylinder lifting plate descends each time is equal to the thickness of the filter cloth with completed cloth-feeding, so as to ensure that the height of the sludge sprayed by the cloth-feeding spray gun relative to the clean filter cloth remains relatively unchanged; The cloth-feeding machine runs repeatedly for cloth-feeding until the cloth distribution on the filter cloth roller is completed; After the cloth-feeding work is completed, under the action of the filter cloth roller lifter, the gripper moves downward and releases the filter cloth roller to the position of the filter cloth roller of the filter press cylinder.

2. The sludge feeding device of a deep sludge pressure filtration and dewatering system according to claim 1, characterized in that: The cloth-feeding traveling mechanism includes: a main cloth-feeding machine wheel and an auxiliary cloth-feeding machine wheel. The main cloth-feeding machine wheel and the auxiliary cloth-feeding machine wheel are respectively connected to both ends of the main cloth-feeding machine wheel shaft and the auxiliary cloth-feeding machine wheel shaft. The main cloth-feeding machine wheel is connected with a reduction motor, and the reduction motor drives the main cloth-feeding machine wheel to travel.

3. The sludge feeding device of a deep sludge pressure filtration and dewatering system according to claim 1, characterized in that: There are two groups of the filter cloth roller lifters, with the same structure, symmetrically installed inside the cloth-feeding machine frame, including: a lifting driving shaft, a bearing seat, a spline coupling, a driving sprocket, a lifting reduction motor, a sleeve, a driven sprocket, a lifting chain, a lifting driven shaft, a counterweight carriage, and a lifting hydraulic cylinder; The lifting drive shaft and the lifting driven shaft are installed in the frame of the cloth distributor through bearing seats; at both ends of the lifting driven shaft, driven sprockets are connected through sleeves; at one end of the lifting drive shaft, a driven sprocket is connected through a sleeve, and at the other end, a spline coupling is connected. A driving sprocket is connected to the spline coupling, and the other end of the spline coupling is connected to the lifting reduction motor; a hoisting chain is wound around the sprocket. One end of the hoisting chain is connected to the gripper, and the other end is connected to the counterweight carriage.

4. The sludge feeding device of a deep sludge pressure filtration and dewatering system according to claim 1, characterized in that: For the filter cloth drum lifter described above, at both ends of the lifting driven shaft, driven sprockets are connected through sleeves; a hoisting chain is wound around the sprocket. One end of the hoisting chain is connected to the gripper, and the other end of the hoisting chain is connected to the lifting hydraulic cylinder.

5. The sludge feeding device of a deep sludge pressure filtration and dehydration system according to claim 1, characterized in that: There are two groups of the filter cloth drum lifters with the same structure, which are hydraulic lifting cylinders. The lower end of the hydraulic lifting cylinder is connected to the lifting plate, and the gripper is connected to the lower end of the lifting plate. It moves up and down with the lifting plate under the action of the hydraulic lifting cylinder.

6. The sludge feeding device of a deep sludge pressure filtration and dehydration system according to claim 1, characterized in that: The gripper described above includes: a gripper cylinder, a gear shaft, a toothed wheel body, an oil cylinder joint, and a gripper bracket; the gripper cylinder is connected to the upper end of the lifting plate, and the gripper bracket is connected to the lower end of the lifting plate. The gripper cylinder passes through the lifting plate and is connected to the gear shaft through the oil cylinder joint. A toothed wheel body is connected to each side of the gear shaft, and the toothed wheel body meshes with the gear shaft; the toothed wheel body and the gear shaft are both connected to the gripper bracket, and the toothed wheel body is hinged to the gripper bracket through a pin shaft, and there is a hook at the end of the toothed wheel body.

7. The sludge distribution device of a deep sludge pressure filtration and dewatering system according to claim 1, characterized in that: The cloth rubbing device described above includes: a main cloth rubbing drive roller, a driven cloth rubbing roller, a cloth rubbing frame traveling wheel, a cloth rubbing wheel support frame, a cloth rubbing hydraulic cylinder, and a cloth rubbing bracket. A cloth rubbing frame traveling wheel is installed on the cloth rubbing wheel support frame; at one end of the cloth rubbing wheel support frame, a main cloth rubbing drive roller and a driven cloth rubbing roller are installed, and the main cloth rubbing drive roller and the driven cloth rubbing roller are distributed vertically; the cloth rubbing bracket is fixed on the frame of the cloth distributor, and a cloth rubbing hydraulic cylinder is fixedly installed on the cloth rubbing bracket. The output end of the cloth rubbing hydraulic cylinder is connected to the other end of the cloth rubbing wheel support frame; the cloth rubbing hydraulic cylinder drives the cloth rubbing wheel support frame to roll and run on the cloth rubbing track of the cloth distributor frame.

8. The sludge feeding device of a deep sludge pressure filtration and dehydration system according to claim 1, characterized in that: For the cloth rubbing device described above, a main cloth rubbing drive roller is installed at one end of the cloth rubbing wheel support frame, and the cloth rubbing wheel support frame is slidably connected to the cloth rubbing slideway of the cloth distributor frame; the cloth rubbing hydraulic cylinder drives the cloth rubbing wheel support frame to slide and run on the cloth rubbing slideway of the cloth distributor frame.

9. The sludge feeding device of a deep sludge pressure filtration and dehydration system according to claim 1, characterized in that: There are two groups of the sludge spreaders with the same structure, which include a sludge conveying pipe and a sludge spreading pipe; the sludge spreading pipe is a horizontal tubular shape, and the sludge conveying pipe is fixedly connected to the horizontally tubular sludge spreading pipe; the sludge spreading pipe is flat-shaped; or the sludge spreading pipe is a round pipe; the sludge outlet is an arc-shaped gradually changing opening; or the sludge outlet is a rectangular opening; or the sludge outlet is multiple circular openings.

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