CN107651819A - A printing and dyeing plant sludge treatment equipment equipped with a mud scraping device - Google Patents

Abstract

The invention discloses a dyeing mill sludge treatment device with a sludge scraping device, which comprises a sludge conveying pipe, wherein one end of the sludge conveying pipe is communicated with a feeding hopper, a sludge scraping mechanism for cleaning the inner wall of the feeding hopper is arranged in the feeding hopper, the bottom end of the feeding hopper is communicated with a feeding pipe, the bottom end of the feeding pipe is fixedly provided with a heating box, the feeding pipe is communicated with the heating box, the inner wall of the heating box is fixedly provided with a heating pipe, a sludge crushing roller is rotatably arranged in the feeding pipe, one end of the sludge crushing roller is rotatably arranged on the inner wall of one side of the feeding pipe, the other end of the sludge crushing roller is rotatably connected with a first rotating rod, one end of the first rotating rod, far away from the sludge crushing roller, extends out of the feeding pipe, and is fixedly sleeved with. The invention can conveniently reduce the dust pollution generated by transportation and storage, can conveniently clean the sludge on the inner walls of the feeding pipe and the feeding hopper, and has simple structure and convenient use.

Description

A printing and dyeing plant sludge treatment equipment equipped with a mud scraping device

technical field

The invention relates to the technical field of sludge treatment, in particular to a sludge treatment equipment in a printing and dyeing factory equipped with a mud scraping device.

Background technique

With the development of urban construction and the improvement of living standards, the generation of urban domestic sludge is also increasing. The long-term accumulation will greatly affect the urban environment and air quality. The moisture content of urban domestic sludge is high (about 80%). It is difficult to process efficiently and in batches.

The patent application number is 201310713936.4 discloses a sludge treatment equipment, including a sludge conveyor, a sludge crushing machine and a sludge drying machine, and the sludge hopper of the sludge crushing machine is arranged from top to bottom. A pair of crushing rollers and a pair of mud rollers driven by frequency conversion motors; the inner cavity of the drying chamber of the sludge dryer is divided into a drying chamber and a circulating air heating chamber, and several layers of stainless steel mesh are installed in the drying chamber The outlet of the sludge hopper of the sludge crushing and forming machine is located directly above the transmission start end of the top stainless steel mesh belt conveyor in the drying chamber of the sludge dryer. The sludge treatment equipment has strong continuous treatment capacity, short cycle, high efficiency, good treatment effect, no secondary pollution, environmental protection, stable and safe operation, low energy consumption and high degree of automation in the process of urban domestic sludge treatment. Significant advantages. The invention has a high input-output ratio, can generate higher social benefits, and has great prospects for popularization and use. However, in use, the equipment cannot scrape the sludge accumulated in the feed funnel, and cannot effectively remove the sludge accumulated in the feed pipe. Therefore, it has certain limitations in operation and use.

Contents of the invention

Based on the technical problems existing in the background technology, the present invention proposes a printing and dyeing plant sludge treatment equipment equipped with a mud scraping device.

The present invention proposes a printing and dyeing plant sludge treatment equipment equipped with a mud scraping device, comprising a sludge conveying pipe, one end of the sludge conveying pipe is connected with a feeding funnel, and a feeding funnel for cleaning the feeding material is provided in the feeding funnel. The mud scraping mechanism on the inner wall of the funnel, the bottom end of the feeding funnel is connected with a feeding pipe, the bottom end of the feeding pipe is fixedly installed with a heating box, the feeding pipe is connected with the heating box, and the heating box A heating pipe is fixedly installed on the inner wall of the feed pipe, and a crushing roller is installed in rotation in the feeding pipe. One end of the crushing roller is rotatably installed on one side of the inner wall of the feeding pipe, and the other end of the crushing roller is rotatably connected to the There is a first rotating rod, and the end of the first rotating rod away from the crushing roller extends to the outside of the feeding pipe, and is fixedly sleeved with a first gear, and the bottom of the crushing roller is provided with a mud roller that is rotatably installed in the feeding pipe. A strip pressing forming roller, the end of the mud strip pressing forming roller away from the first gear is rotatably installed on one side of the inner wall of the feed pipe, and the end of the mud strip pressing forming roller close to the first gear is rotatably connected with a second rotating rod , the end of the second rotating rod away from the mud bar pressing and forming roller extends to the outside of the feeding pipe, and is fixedly sleeved with a second gear, the second gear is located below the first gear, the first gear and the second A rotating motor fixedly installed on the feed pipe is arranged between the gears, and a third gear is fixedly installed on the output shaft of the rotating motor, and the third gear is meshed with the first gear and the second gear respectively. A vibrating mechanism for cleaning sludge is arranged between the crushing mud roller and the mud bar pressing and forming roller.

Preferably, the mud scraping mechanism includes a plurality of push rod motors fixedly installed on the inner wall around the feed funnel, and the plurality of push rod motors are all located on the inner wall of the top opening of the feed funnel, and the output of the push rod motor A push rod is fixedly installed on the shaft, and a push plate is fixedly installed at one end of the push rod away from the push rod motor, and one side of the push plate is slidably connected with the inner wall of the feeding funnel.

Preferably, the push rod motor is sleeved with a sealed box fixedly installed on the inner wall of the feed funnel, a through hole is opened on one side of the sealed box, the push rod is movably installed in the through hole, and a There is a reinforcing groove, and reinforcing ribs are fixedly installed on the inner wall of the reinforcing groove, and the reinforcing ribs have a cross-shaped net structure.

Preferably, the vibrating mechanism includes installation grooves provided on the inner walls of both sides of the feed pipe, a movable plate is movably installed in the installation groove, and one side of the movable plate extends out of the installation groove, and the movable plate The side of the plate located in the installation groove is fixedly installed with two connecting rods, and the ends of the two connecting rods away from the movable plate pass through the feed pipe and extend to the outside of the feed pipe, and the end of the connecting rod located outside the feed pipe is fixedly installed There is a mounting block, the side of the mounting block close to the feed pipe is fixedly installed with a first spring sleeved on the connecting rod, and the end of the first spring away from the mounting block is fixedly mounted on the side of the feed pipe.

Preferably, two through holes are opened on the inner wall of the installation groove close to the installation block, and the end of the connecting rod away from the movable plate passes through the through holes and extends out of the through holes.

Preferably, the same fixed plate is fixedly installed between the two mounting blocks on the same side, a cross bar fixedly installed on the feed pipe is arranged above the fixed plate, and the end of the cross bar away from the feed pipe is rotatably connected with a A swing rod, a rubber ball is fixedly installed on the end of the swing rod far away from the cross bar, and the rubber ball is in contact with the fixed plate.

Preferably, slide grooves are provided on the inner walls of both sides of the installation groove, and a slider is slidably installed in the slide groove. One side of the slider extends to the outside of the slide groove and is fixedly installed on the connecting rod. A second spring is fixedly installed on the side of the slider close to the installation block, and the end of the second spring away from the slider is fixedly installed on the inner wall of the installation groove on the side close to the installation block.

Preferably, a sliding bead groove is provided on the inner wall of the sliding groove away from the opening, and a sliding ball is slidably installed on the inner wall of the sliding bead groove, and the sliding ball is in contact with the slider.

Preferably, a discharge opening is opened on one side of the inner wall of the heating box, and a cover plate is rotatably connected to the top inner wall of the discharge opening through a hinge, and the cover plate is adapted to the discharge opening.

Preferably, the hinge includes an upper adjustment arm and a lower adjustment arm that is rotatably mounted on the upper adjustment arm through a pivot pin, the upper adjustment arm is fixedly installed on the inner wall of the top side of the discharge port, and the lower adjustment arm is fixedly installed on the cover on the top side of the board.

In the present invention, the sludge treatment equipment in a printing and dyeing plant equipped with a mud scraping device is coordinated by a sludge conveying pipe, a feeding funnel, a feeding pipe, a heating box, a heating pipe, a crushing mud roller, and a mud bar pressing and forming roller. In use, the sludge enters the feeding funnel through the sludge conveying pipe, and then enters the feeding pipe. The sludge crushing roller crushes the sludge, and then the crushed sludge is processed by the mud strip pressing forming roller, and the heating box It is heated to reduce the dust pollution caused by transportation and storage, through the cross bar, swing rod, rubber ball, installation groove, movable plate, fixed plate, through hole, connecting rod, installation block, first spring, chute , slider, and the second spring are used together, the rubber ball hits the fixed plate, the fixed plate drives the connecting rod to move, and the connecting rod drives the movable plate to move, which can easily remove the sludge on the movable plate through vibration. The rod and the push plate are used together, the push rod motor drives the push rod to move, the push rod drives the push plate to move, and the push plate slides on the inner wall of the feeding funnel, which can facilitate the scraping of the sludge on the inner wall of the feeding funnel. The present invention can facilitate The dust pollution caused by transportation and storage is reduced, and at the same time, the sludge on the inner wall of the feeding pipe and the feeding funnel can be easily cleaned, the structure is simple, and the use is convenient.

Description of drawings

Fig. 1 is the structural representation of a kind of printing and dyeing plant sludge treatment equipment equipped with a mud scraping device proposed by the present invention;

Fig. 2 is a kind of feeding pipe structure schematic diagram of the printing and dyeing plant sludge treatment equipment that has scraping device that the present invention proposes;

Fig. 3 is a structural schematic diagram of part A of a printing and dyeing plant sludge treatment equipment with a mud scraping device proposed by the present invention;

Fig. 4 is a schematic structural view of the A1 part of a printing and dyeing plant sludge treatment equipment with a mud scraping device proposed by the present invention;

Fig. 5 is a schematic structural view of a feeding funnel of a printing and dyeing plant sludge treatment equipment provided with a mud scraping device proposed by the present invention.

In the figure: 1 sludge conveying pipe, 2 feeding funnel, 3 feeding pipe, 4 heating box, 5 heating pipe, 6 crushing mud roller, 7 mud strip pressing forming roller, 8 horizontal bar, 9 swinging rod, 10 rubber ball , 11 installation groove, 12 movable plate, 13 fixed plate, 14 through hole, 15 connecting rod, 16 mounting block, 17 first spring, 18 chute, 19 slider, 20 second spring, 21 first rotating rod, 22 first gears, 23 second rotating levers, 24 second gears, 25 rotary motors, 26 third gears, 27 push rod motors, 28 push rods, 29 push plates.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

Example.

Referring to Figures 1-5, a sludge treatment equipment in a printing and dyeing factory equipped with a mud scraping device includes a sludge conveying pipe 1, and one end of the sludge conveying pipe 1 is connected to a feeding funnel 2, and a feeding funnel 2 is provided in the feeding funnel 2 for cleaning. The mud scraping mechanism on the inner wall of the feeding funnel, the bottom end of the feeding funnel 2 is connected with the feeding pipe 3, the bottom end of the feeding pipe 3 is fixedly installed with the heating box 4, the feeding pipe 3 is connected with the heating box 4, and the heating box Heating pipe 5 is fixedly installed on the inner wall of 4, and crushing mud roller 6 is installed rotatingly in feeding pipe 3, and one end of crushing mud roller 6 is rotatably installed on the side inner wall of feeding pipe 3, and the other end of crushing mud roller 6 The rotation is connected with the first rotating rod 21, and the end of the first rotating rod 21 away from the crushing roller 6 extends to the outside of the feed pipe 3, and is fixedly sleeved with the first gear 22. The mud bar pressing forming roller 7 in the material pipe 3, the mud bar pressing forming roller 7 is installed on the side inner wall of the feed pipe 3 away from an end of the first gear 22, and the mud bar pressing forming roller 7 is close to the first gear 22 One end is rotatably connected with a second rotating rod 23, and the end of the second rotating rod 23 away from the mud bar pressing and forming roller 7 extends to the outside of the feeding pipe 3, and is fixedly sleeved with a second gear 24, which is located on the first gear Below 22, between the first gear 22 and the second gear 24, there is a rotating motor 25 fixedly installed on the feed pipe 3, and a third gear 26 is fixedly installed on the output shaft of the rotating motor 25, and the third gear 26 is connected with the The first gear 22 and the second gear 24 are meshed, and a vibrating mechanism for removing sludge is provided between the crushing mud roller 6 and the mud bar pressing and forming roller 7, and a discharge port is provided on a side inner wall of the heating box 4, and The inner wall of the top side of the discharge port is connected with a cover plate through hinge rotation, and the cover plate is adapted to the discharge port. The hinge includes an upper adjustment arm and a lower adjustment arm mounted on the upper adjustment arm through pivot pin rotation. The upper adjustment arm It is fixedly installed on the inner wall of the top side of the discharge port, and the lower adjusting arm is fixedly installed on the top side of the cover plate, through the sludge conveying pipe 1, feeding funnel 2, feeding pipe 3, heating box 4, heating pipe 5, The mud crushing roller 6 and the mud strip pressing forming roller 7 are used together. The sludge enters the feeding funnel 2 through the sludge conveying pipe 1, and then enters the feeding pipe 3. The mud crushing roller 6 crushes the sludge, and then the mud strip The crushed sludge is subjected to layering treatment by pressing forming rollers 7, and heated by heating box 4, which can facilitate the reduction of dust pollution caused by transportation and storage.

The mud scraping mechanism includes a plurality of push rod motors 27 fixedly installed on the inner wall around the feed funnel 2, and a plurality of push rod motors 27 are all positioned on the inner wall of the top side opening of the feed funnel 2, and on the output shaft of the push rod motor 27 A push rod 28 is fixedly installed, and one end of the push rod 28 away from the push rod motor 27 is fixedly mounted with a push plate 29, and one side of the push plate 29 is slidingly connected with the inner wall of the feed funnel 2, and the push rod motor 27 is sleeved with a fixed installation In the sealing box on the inner wall of the feeding funnel 2, a through hole is provided on one side of the sealing box, and the push rod 28 is movably installed in the through hole, and a reinforcing groove is provided on the pushing rod 28, and a reinforcing rib is fixedly installed on the inner wall of the reinforcing groove, and The reinforcing rib is a cross-shaped mesh structure, which is used in conjunction with the push rod motor 27, push rod 28, and push plate 29. The push rod motor 27 drives the push rod 28 to move, and the push rod 28 drives the push plate 29 to move. Sliding on the inner wall of the funnel 2 can facilitate scraping off the sludge on the inner wall of the feeding funnel 2.

The vibrating mechanism includes installation grooves 11 provided on the inner walls of both sides of the feed pipe 3. A movable plate 12 is movably installed in the installation groove 11, and one side of the movable plate 12 extends to the outside of the installation groove 11. The movable plate 12 is located in the One side in the installation groove 11 is fixedly installed with two connecting rods 15, and one end of the two connecting rods 15 away from the movable plate 12 runs through the feeding pipe 3 and extends to the outside of the feeding pipe 3, and the connecting rods 15 are positioned at the feeding pipe. 3 is fixedly installed with a mounting block 16, the side of the mounting block 16 close to the feed pipe 3 is fixedly mounted with a first spring 17 sleeved on the connecting rod 15, and the end of the first spring 17 away from the mounting block 16 is fixedly mounted On one side of the feed pipe 3, two through holes 14 are provided on the inner wall of the installation groove 11 near the installation block 16, and the end of the connecting rod 15 away from the movable plate 12 passes through the through holes 14 and extends to the through holes Outside 14, the same fixed plate 13 is fixedly installed between the two mounting blocks 16 on the same side, and the top of the fixed plate 13 is provided with a cross bar 8 fixedly installed on the feed pipe 3, and the cross bar 8 is far away from the feed pipe 3 One end of the swing rod 9 is rotatably connected with a swing rod 9, and the end of the swing rod 9 away from the cross bar 8 is fixedly installed with a rubber ball 10, the rubber ball 10 is in contact with the fixed plate 13, and the inner walls of both sides of the installation groove 11 are provided with chute 18 A slider 19 is slidably installed in the chute 18, one side of the slider 19 extends out of the chute 18, and is fixedly installed on the connecting rod 15, and a second spring is fixedly installed on the side of the slider 19 close to the mounting block 16 20, and the end of the second spring 20 away from the slider 19 is fixedly installed on the inner wall of the installation groove 11 near the side of the installation block 16, and the inner wall of the side of the chute 18 away from the opening is provided with a sliding ball groove, and the inner wall of the sliding ball groove Sliding balls are installed on the upper slide, and the sliding balls are in contact with the slide block 19, through the cross bar 8, the swing bar 9, the rubber ball 10, the installation groove 11, the movable plate 12, the fixed plate 13, the through hole 14, the connecting rod 15, The installation block 16, the first spring 17, the chute 18, the slide block 19, and the second spring 20 are used together, the rubber ball 10 hits the fixed plate 13, the fixed plate 13 drives the connecting rod 15 to move, and the connecting rod 15 drives the movable plate 12 to move, The sludge on the movable plate 12 can be easily removed by vibration, and the present invention can facilitate the reduction of dust pollution caused by transportation and storage. At the same time, it can facilitate the cleaning of the sludge on the inner wall of the feeding pipe 3 and the feeding funnel 2, and has a simple structure. , easy to use.

The present invention: in use, after the sludge treatment equipment is started, the sludge to be treated first enters the feeding funnel 2 through the sludge conveying pipe 1, and the sludge flows into the feeding pipe 3 after passing through the feeding funnel 2 , the sludge is crushed by the crushing roller 6 in the feeding pipe 3, and the treated sludge is pressed into strips by the mud strip pressing roller 7, and the stripped sludge is moved through the feeding pipe 3 In the heating box 4, the heating pipe 5 in the heating box 4 heats and dries the stripped sludge;

When the sludge is transported into the feed hopper 2, a large amount of sludge will accumulate on the inner wall of the feed hopper 2, start the push rod motor 27, the output shaft of the push rod motor 27 drives the push rod 28 to move, and the push rod 28 Drive the push plate 29 to slide on the inner wall of the feed funnel 2, and the push plate 29 pushes the sludge on the inner wall of the feed funnel 2 into the feed pipe 3;

The sludge crushed by the crushing roller 6 will generally pile up on the inner wall of the feed pipe 3 in large quantities, and the force will be on the swing rod 9. The swing rod 9 will swing through the cross bar 8, and the swing rod 9 will drive the rubber ball 10 to hit and fix it. plate 13, the fixed plate 13 drives the mounting block 16 to move, the mounting block 16 drives the connecting rod 15 to slide in the through hole 14, the mounting block 16 squeezes the first spring 17, the first spring 17 undergoes elastic deformation, and at the same time, the connecting rod 15 drives The movable plate 12 moves in the installation groove 11, the movable plate 12 drives the slider 19 to slide in the chute 18, and the slider 19 squeezes the second spring 20, and the reaction force of the first spring 17 and the second spring 20 The movable plate 12 is driven to move, so that the movable plate 12 vibrates, and the purpose of cleaning and dropping the sludge on the inner wall of the feeding pipe 3 is achieved.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (10)

1. A printing and dyeing plant sludge treatment equipment equipped with a mud scraping device, comprising a sludge delivery pipe (1), characterized in that, one end of the sludge delivery pipe (1) is communicated with a feed funnel (2), so The feed funnel (2) is provided with a mud scraping mechanism for cleaning the inner wall of the feed funnel, and the bottom end of the feed funnel (2) is connected with a feed pipe (3), and the bottom of the feed pipe (3) A heating box (4) is fixedly installed at the bottom, the feed pipe (3) communicates with the heating box (4), and a heating tube (5) is fixedly installed on the inner wall of the heating box (4). Rotating in the material pipe (3) is equipped with crushing mud roller (6), and one end of described crushing mud roller (6) is rotatably installed on the side inner wall of feed pipe (3), and described crushing mud roller (6) The other end is rotatably connected with a first rotating rod (21), and the end of the first rotating rod (21) away from the crushing roller (6) extends to the outside of the feeding pipe (3), and is fixedly sleeved with a first gear ( 22), the bottom of the crushing mud roller (6) is provided with a mud bar pressing and forming roller (7) that is rotatably installed in the feed pipe (3), and the mud bar pressing and forming roller (7) is away from the first gear (22 ) is rotatably mounted on one side inner wall of the feed pipe (3), and the end of the mud bar pressing forming roller (7) near the first gear (22) is rotatably connected with a second rotating rod (23), the The end of the second rotating rod (23) away from the mud bar pressing and forming roller (7) extends to the outside of the feed pipe (3), and is fixedly sleeved with a second gear (24), and the second gear (24) is located at the first Below a gear (22), a rotary motor (25) fixedly installed on the feed pipe (3) is provided between the first gear (22) and the second gear (24), and the rotary motor (25) The third gear (26) is fixedly installed on the output shaft of the output shaft, and the third gear (26) is meshed with the first gear (22) and the second gear (24) respectively, and the crushed mud roller (6) and the mud A vibrating mechanism for removing sludge is arranged between the strip pressing forming rollers (7). 2. A kind of printing and dyeing factory sludge treatment equipment equipped with a mud scraping device according to claim 1, characterized in that, the mud scraping mechanism includes a plurality of push rods fixedly installed on the inner wall around the feeding funnel (2) motor (27), and a plurality of push rod motors (27) are all positioned on the inner wall of the opening on the top side of the feeding funnel (2), and a push rod (28) is fixedly installed on the output shaft of the push rod motor (27), A push plate (29) is fixedly installed on the end of the push rod (28) away from the push rod motor (27), and one side of the push plate (29) is slidably connected with the inner wall of the feed funnel (2). 3. A kind of printing and dyeing plant sludge treatment equipment equipped with a mud scraping device according to claim 2, characterized in that, the push rod motor (27) is sleeved with a plug fixed on the inner wall of the feeding funnel (2). One side of the sealed box is provided with a through hole, and the push rod (28) is movably installed in the through hole. The push rod (28) is provided with a reinforcement groove, and the inner wall of the reinforcement groove is fixed with a reinforcement Ribs, and the ribs are a cross-shaped network structure. 4. A kind of printing and dyeing plant sludge treatment equipment equipped with a mud scraping device according to claim 1, characterized in that, the vibration mechanism includes installation grooves (11) provided on the inner walls of both sides of the feed pipe (3) ), the movable plate (12) is installed in the described mounting groove (11), and one side of the movable plate (12) extends to the outside of the mounting groove (11), and the movable plate (12) is located in the mounting groove One side in (11) is fixedly installed with two connecting rods (15), and one end of the two connecting rods (15) away from the movable plate (12) runs through the feed pipe (3) and extends to the feed pipe (3) Outside, one end of the connecting rod (15) outside the feeding pipe (3) is fixedly installed with a mounting block (16), and the side of the mounting block (16) close to the feeding pipe (3) is fixedly installed with a The first spring (17) on the rod (15), the end of the first spring (17) away from the mounting block (16) is fixedly installed on one side of the feed pipe (3). 5. A kind of printing and dyeing plant sludge treatment equipment equipped with a mud scraping device according to claim 4, characterized in that, two inner walls of the installation groove (11) close to the installation block (16) are provided. A through hole (14), the end of the connecting rod (15) away from the movable plate (12) passes through the through hole (14) and extends out of the through hole (14). 6. A printing and dyeing plant sludge treatment equipment equipped with a mud scraping device according to claim 4, characterized in that the same fixed plate (13) is fixedly installed between the two mounting blocks (16) on the same side , the top of the fixed plate (13) is provided with a crossbar (8) fixedly installed on the feed pipe (3), and the end of the crossbar (8) away from the feed pipe (3) is rotatably connected with a swing rod (9) A rubber ball (10) is fixedly installed on the end of the swing rod (9) away from the cross bar (8), and the rubber ball (10) is in contact with the fixed plate (13). 7. A kind of printing and dyeing plant sludge treatment equipment equipped with a mud scraping device according to claim 4, characterized in that, both sides of the installation groove (11) are provided with chutes (18), so A slide block (19) is slidably installed in the chute (18), and one side of the slide block (19) extends to the outside of the chute (18), and is fixedly installed on the connecting rod (15), and the slide block (19) ) is fixedly installed with a second spring (20) near the side of the mounting block (16), and the end of the second spring (20) away from the slider (19) is fixedly installed in the mounting groove (11) close to the mounting block (16) on one side of the inner wall. 8. A kind of printing and dyeing plant sludge treatment equipment equipped with a mud scraping device according to claim 7, characterized in that, the inner wall of the side of the chute (18) away from the opening is provided with a sliding bead groove, and the chute (18) A sliding ball is slidably installed on the inner wall of the bead groove, and the sliding ball is in contact with the slide block (19). 9. A kind of printing and dyeing plant sludge treatment equipment equipped with a mud scraping device according to claim 1, characterized in that a discharge port is provided on one side of the inner wall of the heating box (4), and the top of the discharge port is A cover plate is rotatably connected to the side inner wall through a hinge, and the cover plate is adapted to the discharge port. 10. A kind of printing and dyeing plant sludge treatment equipment equipped with a mud scraping device according to claim 9, characterized in that, the hinge comprises an upper adjusting arm and a lower adjusting arm mounted on the upper adjusting arm through pivot pin rotation, The upper regulating arm is fixedly mounted on the inner wall of the top side of the discharge port, and the lower regulating arm is fixedly mounted on the top side of the cover plate.