A sludge multi-stage heat recovery drying device

Abstract

The present invention relates to the field of sludge drying, and specifically to a sludge multi-stage heat recovery drying device, comprising a drying mechanism, a lower hopper, a material receiving mechanism, a heat recovery mechanism, a drainage mechanism and a storage mechanism; the side wall of the body is connected to a rectangular cylinder with a middle hole fixed on the surface of a bottom plate, and the two inner side walls of the cylinder are relatively equidistant and staggeredly welded with a first drying pipe and a second drying pipe, so as to form an "S"-shaped flue, and sludge is added from the feed hopper to the first drying pipe and the second drying pipe to heat the sludge inside the first drying pipe and the second drying pipe, and the waste heat is utilized in multiple stages, and a material receiving mechanism for receiving leaked feed is welded on the side of the cylinder, which can collect the spilled material on the one hand and recycle the heat on the side of the cylinder on the other hand.

Description

Technical Field

[0001] The invention relates to the field of sludge drying, in particular to a sludge multi-stage heat recovery drying device. Background Art

[0002] Sludge drying is the process of removing most of the water content from sludge through filtration or evaporation. It generally refers to the use of self-evaporation facilities such as sludge drying fields (beds). The most commonly used sludge drying equipment is a single-channel rotary dryer, which is suitable for urban sludge drying.

[0003] However, the existing sludge drying uses a dryer for heating and drying, and the hot air generated during drying is directly discharged to the outside. The waste heat of the hot air is not well utilized in multiple stages, resulting in a waste of resources. In addition, the water in the sludge is not separated before the sludge is dried, and the drying speed is slow. In view of this, the present invention provides a sludge multi-stage heat recovery drying device, which has the following characteristics:

[0004] (1) The present invention discloses a sludge multi-stage heat recovery drying device, wherein the side wall of the machine body is connected to a rectangular cylinder with a middle hole fixed on the surface of the bottom plate, and the two inner side walls of the cylinder are relatively equidistantly and staggeredly welded with a first drying pipe and a second drying pipe, thereby forming an S-shaped flue. Sludge is added from the feed hopper to the first drying pipe and the second drying pipe to heat the sludge inside the first drying pipe and the second drying pipe, and the waste heat is utilized in multiple stages. A receiving mechanism for receiving leaked feed is welded on the side of the cylinder, which can collect spilled material on the one hand and recycle the heat on the side of the cylinder on the other hand.

[0005] (2) In the multi-stage heat recovery and drying device for sludge described in the present invention, a drainage mechanism is installed on the top of the discharge hopper of the cylinder body away from the material receiving mechanism. On the one hand, it realizes the collection of sludge moisture inside the first drying pipe and the second drying pipe, thereby accelerating the drying speed. On the other hand, the drainage mechanism cooperates with the storage mechanism to prevent sludge from clogging the leakage outlet when discharging materials into the first drying pipe and the second drying pipe, thereby facilitating material discharge. Summary of the invention

[0006] In view of the problems in the prior art, the present invention provides a sludge multi-stage heat recovery and drying device, the side wall of the body is connected to a rectangular cylinder with a middle hole fixed on the surface of the bottom plate, the two inner side walls of the cylinder are relatively equidistant and staggeredly welded with a first drying pipe and a second drying pipe, so as to form an "S"-shaped flue, and sludge is added from the feed hopper to the first drying pipe and the second drying pipe to achieve heating of the sludge inside the first drying pipe and the second drying pipe, and the waste heat is utilized in multiple stages, and a receiving mechanism for receiving leaked feed is welded on the side of the cylinder, which on the one hand realizes the collection of spilled materials, and on the other hand realizes the recycling of heat on the side of the cylinder, and a drainage mechanism is installed on the top of the unloading hopper of the cylinder away from the receiving mechanism, which on the one hand realizes the collection of sludge moisture inside the first drying pipe and the second drying pipe to accelerate the drying speed, and on the other hand, the drainage mechanism cooperates with the storage mechanism to avoid sludge blocking the leakage port when unloading the first drying pipe and the second drying pipe, thereby facilitating unloading.

[0007] The technical solution adopted by the present invention to solve its technical problems is: a multi-stage heat recovery and drying device for sludge, including a drying mechanism, a discharge hopper, a material receiving mechanism, a heat recovery mechanism, a drainage mechanism and a storage mechanism; one end of the drying mechanism for drying a large amount of sludge is connected to the heat recovery mechanism for discharging flue gas and preliminarily drying the sludge, the bottom edge of the side wall of the heat recovery mechanism is provided with the material receiving mechanism for receiving the spilled material, the side wall of the heat recovery mechanism facing away from the material receiving mechanism is equipped with the discharge hopper for discharge and the side surface is triangular in structure, the top of the discharge hopper is equipped with the drainage mechanism for receiving water in the sludge, and one end of the drainage mechanism is equipped with the storage mechanism for storing the drainage mechanism.

[0008] Specifically, the drying mechanism includes a machine body and a bottom plate, one end of the heat recovery mechanism is connected to the machine body for drying a large amount of sludge, and the machine body is installed on the top of the bottom plate.

[0009] Specifically, the heat recovery mechanism includes a chimney, a cover plate, a feed hopper, a first drying pipe, a cylinder, a sealing plate and a second drying pipe. The surface of the bottom plate is installed with the cylinder with a hollow rectangular structure connected to the body. The top of the cylinder is connected to the chimney with a hollow prism-shaped structure and a side opening. The inner side wall of the cylinder is staggered and fixedly connected to a plurality of the first drying pipes and the second drying pipes with hollow rectangular structures. The distance between two adjacent first drying pipes is equal, and the distance between two adjacent first drying pipes and the second drying pipes is equal. The two ends of the first drying pipe and the second drying pipe extend to the two side walls of the cylinder respectively. The first drying pipe and the second drying pipe are parallel, and the angle between the first drying pipe and the bottom plate is 45 degrees. One end of the first drying pipe and the second drying pipe is slidably connected to the sealing plate. The feed hopper with a trapezoidal structure on the side is installed at the end of the first drying pipe and the second drying pipe away from the sealing plate, and the side of the feed hopper is rotatably connected to the cover plate.

[0010] Specifically, the material receiving mechanism includes a back plate, a material receiving hopper and a slide plate. The bottom of the feed hopper is provided with the material receiving hopper welded to the cylinder body, the side of the material receiving hopper is welded to the back plate, and the slide plate is slidably connected to the inside of the material receiving hopper and the back plate. The back plate and the side of the material receiving hopper form a "Y" shape structure.

[0011] Specifically, the drainage mechanism includes a water receiving hopper, a bracket, a drainage pipe and a leakage port. The top of the lower hopper with openings on the top and sides is welded relative to the bracket. The drainage pipe with a hollow interior and the leakage port on the surface is rotatably connected between the two brackets. The surface of the drainage pipe is welded to the water receiving hopper with a trapezoidal side structure located at the bottom of the first drying pipe and the second drying pipe.

[0012] Specifically, the storage mechanism includes a card hole, a card column, a sliding sleeve, a spring, a fixed sleeve, a limiting sleeve, a torsion spring, a sliding groove and a slider. The fixed sleeve is welded to the surface of the drain pipe extending to one of the side walls of the bracket, and the limiting sleeve is welded to the surface of the fixed sleeve. The torsion spring is wrapped around the surface of the drain pipe, one end of the torsion spring is fixed to the bracket, and the other end of the torsion spring is fixed to the fixed sleeve. The surface of the fixed sleeve is wrapped around the spring located on the side wall of the limiting sleeve, and the sliding groove is provided on the surface of the fixed sleeve. The sliding sleeve is slidably connected to the surface of the limiting sleeve through the sliding groove in cooperation with the slider, and the sliding sleeve is welded to the card column relative to the side wall of the bracket. The side wall of the bracket is provided with two card holes in the vertical direction, and the card column is engaged with the card holes.

[0013] Beneficial effects of the present invention:

[0014] (1) The present invention discloses a sludge multi-stage heat recovery drying device, wherein the side wall of the machine body is connected to a rectangular cylinder with a middle hole fixed on the surface of the bottom plate, and the two inner side walls of the cylinder are relatively equidistantly and staggeredly welded with a first drying pipe and a second drying pipe, thereby forming an S-shaped flue. Sludge is added from the feed hopper to the first drying pipe and the second drying pipe to heat the sludge inside the first drying pipe and the second drying pipe, and the waste heat is utilized in multiple stages. A receiving mechanism for receiving leaked feed is welded on the side of the cylinder, which can collect spilled material on the one hand and recycle the heat on the side of the cylinder on the other hand.

[0015] (2) In the multi-stage heat recovery and drying device for sludge described in the present invention, a drainage mechanism is installed on the top of the discharge hopper of the cylinder body away from the material receiving mechanism. On the one hand, it realizes the collection of sludge moisture inside the first drying pipe and the second drying pipe, thereby accelerating the drying speed. On the other hand, the drainage mechanism cooperates with the storage mechanism to prevent sludge from clogging the leakage outlet when discharging materials into the first drying pipe and the second drying pipe, thereby facilitating material discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Figure 1 A schematic diagram of the overall structure of a preferred embodiment of a sludge multi-stage heat recovery and drying device provided by the present invention;

[0018] Figure 2 for Figure 1 An enlarged schematic diagram of the structure of section A is shown;

[0019] Figure 3 for Figure 2 The schematic diagram of the connection between the drainage mechanism and the storage mechanism shown;

[0020] Figure 4 for Figure 1 The schematic diagram of the heat recovery mechanism shown;

[0021] Figure 5 for Figure 2 Schematic diagram of the storage mechanism shown.

[0022] In the figure: 1. drying mechanism, 11. machine body, 12. bottom plate, 2. lower hopper, 3. material receiving mechanism, 31. back plate, 32. material receiving hopper, 33. slide plate, 4. heat recovery mechanism, 41. chimney, 42. cover plate, 43. feed hopper, 44. first drying pipe, 45. cylinder, 46. sealing plate, 47. second drying pipe, 5. drainage mechanism, 51. water receiving hopper, 52. bracket, 53. drainage pipe, 54. water leakage, 6. storage mechanism, 61. card hole, 62. card column, 63. sliding sleeve, 64. spring, 65. fixing sleeve, 66. limiting sleeve, 67. torsion spring, 68. slide groove, 69. slider. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0024] like Figure 1-Figure 5 As shown, a sludge multi-stage heat recovery drying device described in the present invention comprises a drying mechanism 1, a discharge hopper 2, a material receiving mechanism 3, a heat recovery mechanism 4, a drainage mechanism 5 and a storage mechanism 6; one end of the drying mechanism 1 for drying a large amount of sludge is connected to the heat recovery mechanism 4 for discharging flue gas and preliminarily drying the sludge, the material receiving mechanism 3 for receiving spilled materials is provided at the bottom edge of the side wall of the heat recovery mechanism 4, the side wall of the heat recovery mechanism 4 facing away from the material receiving mechanism 3 is equipped with the discharge hopper 2 for discharge, the side of which is a triangular structure, the top of the discharge hopper 2 is equipped with the drainage mechanism 5 for receiving water in the sludge, and one end of the drainage mechanism 5 is equipped with the storage mechanism 6 for storing the drainage mechanism 5.

[0025] Specifically, the drying mechanism 1 includes a body 11 and a base plate 12. One end of the heat recovery mechanism 4 is connected to the body 11 for drying a large amount of sludge. The body 11 is installed on the top of the base plate 12. A large amount of sludge is poured into the body 12 for drying. Further, the base plate 12 realizes the installation of the body 11.

[0026] Specifically, the heat recovery mechanism 4 includes a chimney 41, a cover plate 42, a feed hopper 43, a first drying pipe 44, a cylinder 45, a sealing plate 46 and a second drying pipe 47. The surface of the bottom plate 12 is provided with the cylinder 45 of a hollow rectangular structure connected to the machine body 11. The top of the cylinder 45 is connected to the chimney 41 of a hollow prism-shaped structure with a side opening. The inner side wall of the cylinder 45 is staggered and fixedly connected to a plurality of the first drying pipes 44 and the second drying pipes 44 of the hollow rectangular structure. The two adjacent The distances between the first drying tubes 44 are equal, and the distances between two adjacent first drying tubes 44 and second drying tubes 44 are equal. The two ends of the first drying tube 44 and the second drying tube 47 extend to the two side walls of the cylinder 45 respectively. The first drying tube 44 and the second drying tube 47 are parallel. The angle between the first drying tube 44 and the bottom plate 12 is 45 degrees. One end of each of the first drying tube 44 and the second drying tube 47 is slidably connected to the sealing plate 46. The first The drying pipe 44 and the second drying pipe 47 are installed with the feed hopper 43 with a trapezoidal side structure at one end away from the sealing plate 46. The side of the feed hopper 43 is rotatably connected to the cover plate 42. The body 11 dries a large amount of sludge and discharges it to the surface of the bottom plate 12 for transportation. The sealing plate 46 is closed, and sludge is added from the feed hopper 43 to the inside of the first drying pipe 44 and the second drying pipe 47. A large amount of hot smoke generated by the body 11 in the process of drying the sludge is transported to the cylinder Inside the body 45, since an "S"-shaped flue is generated between the first drying tubes 44 and the second drying tubes 47, the first drying tubes 44 and the second drying tubes 47 are heated, thereby drying the internal sludge of the first drying tubes 44 and the second drying tubes 47, and the waste heat is utilized in multiple stages. Further flue gas is discharged from the chimney 41. Since the first drying tubes 44 and the second drying tubes 47 are parallel and the angle between them and the bottom plate 12 is 45 degrees, material unloading is convenient.

[0027] Specifically, the material receiving mechanism 3 includes a support plate 31, a receiving hopper 32 and a slide plate 33. The bottom of the feed hopper 43 is provided with the receiving hopper 32 welded to the cylinder 45. The side of the receiving hopper 32 is welded to the support plate 31. The slide plate 33 is slidably connected to the inside of the receiving hopper 32 and the support plate 31. The support plate 31 and the side of the receiving hopper 32 form a "Y" shape structure. During the material discharge process, the sludge dropped from the feed hopper 43 is collected by the receiving hopper 32, and the heat on the side of the cylinder 45 is further utilized.

[0028] Specifically, the drainage mechanism 5 includes a water receiving bucket 51, a bracket 52, a drainage pipe 53 and a leakage port 54. The bracket 52 is welded to the top of the lower hopper 2 with openings on the top and the side. The drainage pipe 53 with a hollow interior and a leakage port 54 on the surface is rotatably connected between the two brackets 52. The surface of the drainage pipe 53 is welded to the water receiving bucket 51 with a trapezoidal side structure located at the bottom of the first drying pipe 44 and the second drying pipe 47. When sludge is added to the inside of the first drying pipe 44 and the second drying pipe 47, water in the sludge flows into the inside of the water receiving bucket 51, and further flows from the leakage port 54 to the inside of the drainage pipe 53 for discharge, thereby collecting the moisture in the sludge in the first drying pipe 44 and the second drying pipe 47 and improving the drying speed.

[0029] Specifically, the storage mechanism 6 includes a card hole 61, a card column 62, a sliding sleeve 63, a spring 64, a fixed sleeve 65, a limiting sleeve 66, a torsion spring 67, a sliding groove 68 and a slider 69. The fixed sleeve 65 is welded to the surface of the drain pipe 53 extending to the side wall of one of the brackets 52, and the limiting sleeve 66 is welded to the surface of the fixed sleeve 65. The torsion spring 67 is wound around the surface of the drain pipe 63, one end of the torsion spring 67 is fixed to the bracket 52, and the other end of the torsion spring 67 is fixed to the fixed sleeve 65. The surface of the fixed sleeve 65 is wound around the spring 64 located on the side wall of the limiting sleeve 66, the surface of the fixed sleeve 65 is provided with the slide groove 68, the sliding sleeve 63 is slidably connected to the surface of the limiting sleeve 66 through the slider 69 and the slide groove 68, the sliding sleeve 63 is welded with the clamping column 62 relative to the side wall of the bracket 52, the side wall of the bracket 52 is provided with two clamping holes 61 in the vertical direction, the clamping column 62 is clamped in the clamping hole 61, and the internal sludge of the first drying pipe 44 and the second drying pipe 47 is dried. When the drain pipe 53 is rotated, the clamping column 62 on the side wall of the sliding sleeve 63 is engaged with the clamping hole 61 located at the top direction of the bracket 52, thereby fixing the water receiving bucket 51, which is beneficial to collecting the moisture of the sludge inside the first drying pipe 44 and the second drying pipe 45. After the water flows into the inside of the leaking port 54, it flows out from the drain pipe 53, thereby increasing the drying speed of the first drying pipe 44 and the second drying pipe 47. Further, when the sludge inside the first drying pipe 44 and the second drying pipe 47 is dried, the sliding sleeve 63 is The sliding sleeve 63 is moved, the spring 64 contracts, and the sliding sleeve 63 is rotated. The slider 69 limits the sliding sleeve 63 so that the drain pipe 53 rotates accordingly. Today, the clamping column 62 on the side wall of the sliding sleeve 63 is engaged with the inside of the clamping hole 51 in the bottom direction of the bracket 52, and finally the water receiving bucket 51 rotates and the leakage port 54 corresponds to the surface of the lower hopper 2 to prevent sludge from clogging the leakage port 54 during discharge. The sealing plate 46 is opened to allow the sludge to flow to the inside of the lower hopper 2 for collection.

[0030] When in use, firstly, a large amount of sludge is poured into the interior of the machine body 12 for drying. Further, the bottom plate 12 realizes the installation of the machine body 11. The machine body 11 dries a large amount of sludge and discharges it to the surface of the bottom plate 12 for transportation. The sealing plate 46 is closed, and sludge is added from the feed hopper 43 to the interior of the first drying pipe 44 and the second drying pipe 47. A large amount of hot flue gas generated by the machine body 11 in the process of drying the sludge is transported to the interior of the cylinder 45. Due to the generation of a plurality of first drying pipes 44 and the second drying pipes 47, The "S"-shaped flue heats the first drying tube 44 and the second drying tube 47, thereby drying the internal sludge of the first drying tube 44 and the second drying tube 47, and utilizing the waste heat in multiple stages. The further flue gas is discharged from the chimney 41. Since the first drying tube 44 and the second drying tube 47 are parallel and the angle between them and the bottom plate 12 is 45 degrees, it is convenient to discharge the material. During the discharge process, the sludge dropped from the feed hopper 43 is collected by the receiving hopper 32, and the heat on the side of the cylinder 45 is further utilized; then After drying the sludge inside the first drying pipe 44 and the second drying pipe 47, the clamping column 62 on the side wall of the sliding sleeve 63 is engaged with the clamping hole 61 located at the top direction of the bracket 52 when the drain pipe 53 is rotated, so as to fix the docking bucket 51, which is conducive to collecting the moisture of the sludge inside the first drying pipe 44 and the second drying pipe 45. After the water flows into the inside of the leaking port 54, it flows away from the drain pipe 53, thereby improving the drying speed of the first drying pipe 44 and the second drying pipe 47; finally, when the first drying pipe 44 and the second drying pipe 47 are After the internal sludge is dried, the sliding sleeve 63 and the spring 64 contract, and the sliding sleeve 63 is rotated. The slider 69 limits the sliding sleeve 63 so that the drain pipe 53 rotates accordingly. Today, the clamping column 62 on the side wall of the sliding sleeve 63 is engaged with the inside of the clamping hole 51 in the bottom direction of the bracket 52, and finally the water receiving bucket 51 rotates and the leakage port 54 corresponds to the surface of the lower hopper 2 to avoid sludge blocking the leakage port 54 during unloading. The sealing plate 46 is opened to realize the sludge flowing to the inside of the lower hopper 2 for collection, and the dried sludge can be used as fuel.

[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A sludge multi-stage heat recovery drying device, characterized in that: The invention comprises a drying mechanism (1), a material discharge hopper (2), a material receiving mechanism (3), a heat recovery mechanism (4), a drainage mechanism (5) and a storage mechanism (6); one end of the drying mechanism (1) for drying a large amount of sludge is connected to the heat recovery mechanism (4) for discharging smoke and preliminarily drying the sludge; the material receiving mechanism (3) for receiving the spilled material is provided at the bottom edge of the side wall of the heat recovery mechanism (4); the material discharge hopper (2) for discharging the material and having a triangular side structure is installed on the side wall of the heat recovery mechanism (4) away from the material receiving mechanism (3); the drainage mechanism (5) for receiving water in the sludge is installed on the top of the material discharge hopper (2); and the storage mechanism (6) for storing the drainage mechanism (5) is installed at one end of the drainage mechanism (5); The drying mechanism (1) comprises a machine body (11) and a bottom plate (12); one end of the heat recovery mechanism (4) is connected to the machine body (11) for drying a large amount of sludge; and the machine body (11) is installed on the top of the bottom plate (12); The heat recovery mechanism (4) comprises a chimney (41), a cover plate (42), a feed hopper (43), a first drying pipe (44), a cylinder (45), a sealing plate (46) and a second drying pipe (47); the surface of the bottom plate (12) is provided with the cylinder (45) of a hollow rectangular structure connected to the machine body (11); the top of the cylinder (45) is connected to the chimney (41) of a hollow prism-shaped structure and an opening on the side; the inner side wall of the cylinder (45) is staggered and fixedly connected to a plurality of the first drying pipes (44) and the second drying pipes (47) of a hollow rectangular structure; the distance between two adjacent first drying pipes (44) is equal; the distance between two adjacent first drying pipes (44) and the second drying pipes (47 ... The distances between the first and second drying tubes (47) are equal, the two ends of the first drying tube (44) and the second drying tube (47) extend to the two side walls of the cylinder (45) respectively, the first drying tube (44) and the second drying tube (47) are parallel, the angle between the first drying tube (44) and the bottom plate (12) is 45 degrees, one end of the first drying tube (44) and the second drying tube (47) are slidably connected to the sealing plate (46), the end of the first drying tube (44) and the second drying tube (47) away from the sealing plate (46) is installed with the feed hopper (43) with a trapezoidal side structure, and the side of the feed hopper (43) is rotatably connected to the cover plate (42); The material receiving mechanism (3) comprises a support plate (31), a receiving hopper (32) and a slide plate (33); the bottom of the feed hopper (43) is provided with the receiving hopper (32) welded to the cylinder (45); the side of the receiving hopper (32) is welded to the support plate (31); the slide plate (33) is slidably connected to the inside of the receiving hopper (32) and the support plate (31); the support plate (31) and the side of the receiving hopper (32) are in a "Y" shape; The drainage mechanism (5) comprises a water receiving hopper (51), a bracket (52), a drainage pipe (53) and a water leakage port (54); the top of the lower hopper (2) with openings on the top and the side is welded relative to the bracket (52); the drainage pipe (53) with a hollow interior and the water leakage port (54) on the surface is rotatably connected between the two brackets (52); the surface of the drainage pipe (53) is welded to the water receiving hopper (51) with a trapezoidal side structure located at the bottom of the first drying pipe (44) and the second drying pipe (47); The storage mechanism (6) comprises a card hole (61), a card column (62), a sliding sleeve (63), a spring (64), a fixing sleeve (65), a limiting sleeve (66), a torsion spring (67), a sliding groove (68) and a sliding block (69); the fixing sleeve (65) is welded to the surface of the drainage pipe (53) extending to the side wall of one of the brackets (52); the limiting sleeve (66) is welded to the surface of the fixing sleeve (65); the torsion spring (67) is wound around the surface of the drainage pipe (53); one end of the torsion spring (67) is fixed to the bracket (52); the torsion spring (67) ) is fixed to the fixing sleeve (65), the surface of the fixing sleeve (65) is wound around the spring (64) located on the side wall of the limiting sleeve (66), the surface of the fixing sleeve (65) is provided with the sliding groove (68), the sliding sleeve (63) is slidably connected to the surface of the limiting sleeve (66) through the sliding block (69) and the sliding groove (68), the sliding sleeve (63) is welded to the side wall of the bracket (52) with the clamping column (62), the side wall of the bracket (52) is provided with two clamping holes (61) in the vertical direction, and the clamping column (62) is clamped in the clamping hole (61); When in use, a large amount of sludge is first poured into the interior of the machine body (11) for drying. The bottom plate (12) is further installed to realize the installation of the machine body (11). The machine body (11) dries a large amount of sludge and discharges it to the surface of the bottom plate (12) for transportation. The sealing plate (46) is closed and sludge is added from the feed hopper (43) to the interior of the first drying pipe (44) and the second drying pipe (47). A large amount of hot smoke generated by the machine body (11) in the process of drying the sludge is transported to the interior of the cylinder (45). Due to the generation of "S" between the first drying pipe (44) and the second drying pipe (47), The flue is shaped like a " ", so that the first drying tube (44) and the second drying tube (47) are heated, thereby drying the internal sludge of the first drying tube (44) and the second drying tube (47), and the waste heat is utilized in multiple stages. The flue gas is further discharged from the chimney (41). Since the first drying tube (44) and the second drying tube (47) are parallel and the angle between them and the bottom plate (12) is 45 degrees, it is convenient to discharge the materials. During the discharge process, the sludge dropped from the feed hopper (43) is collected by the receiving hopper (32), and the heat on the side of the cylinder (45) is further utilized. Then, in the first drying tube (44), the second drying tube (47) is heated to a temperature of 45 °C. After the internal sludge of the first drying pipe (44) and the second drying pipe (47) is dried, the clamping column (62) on the side wall of the sliding sleeve (63) is engaged with the clamping hole (61) located at the top direction of the bracket (52) when the drainage pipe (53) is rotated, so that the docking bucket (51) is fixed, which is conducive to collecting the moisture of the internal sludge of the first drying pipe (44) and the second drying pipe (47). After the water flows into the inside of the leaking port (54), it flows out of the drainage pipe (53), thereby improving the drying speed of the first drying pipe (44) and the second drying pipe (47); finally, when the inside of the first drying pipe (44) and the second drying pipe (47) After the sludge is dried, the sliding sleeve (63) and the spring (64) contract, the sliding sleeve (63) rotates, and the slider (69) limits the sliding sleeve (63), thereby realizing the rotation of the drainage pipe (53), and then the clamping column (62) on the side wall of the sliding sleeve (63) is clamped into the inside of the clamping hole (61) in the bottom direction of the bracket (52), and finally the water receiving bucket (51) is rotated, and the leakage port (54) corresponds to the surface of the discharge hopper (2), so that the sludge does not block the leakage port (54) when the material is discharged, and the sealing plate (46) is opened to realize the sludge flowing into the inside of the discharge hopper (2) for collection, and the dried sludge can be used as fuel.

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